Mercurial > hg > truffle
annotate src/share/vm/runtime/arguments.cpp @ 21041:e121783a0df9
Use the same behaviour for UseLargePages in a graal VM than in a server VM
| author | Gilles Duboscq <gilles.m.duboscq@oracle.com> |
|---|---|
| date | Mon, 20 Apr 2015 14:38:58 +0200 |
| parents | 12e94cba3696 |
| children | ccddbb1409d2 d760a7d64801 |
| rev | line source |
|---|---|
| 0 | 1 /* |
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2 * Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved. |
| 0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 * | |
| 5 * This code is free software; you can redistribute it and/or modify it | |
| 6 * under the terms of the GNU General Public License version 2 only, as | |
| 7 * published by the Free Software Foundation. | |
| 8 * | |
| 9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 12 * version 2 for more details (a copy is included in the LICENSE file that | |
| 13 * accompanied this code). | |
| 14 * | |
| 15 * You should have received a copy of the GNU General Public License version | |
| 16 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 18 * | |
|
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 1972 | 25 #include "precompiled.hpp" |
|
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26 #include "classfile/classLoader.hpp" |
| 1972 | 27 #include "classfile/javaAssertions.hpp" |
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28 #include "classfile/symbolTable.hpp" |
| 1972 | 29 #include "compiler/compilerOracle.hpp" |
| 30 #include "memory/allocation.inline.hpp" | |
| 31 #include "memory/cardTableRS.hpp" | |
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32 #include "memory/genCollectedHeap.hpp" |
| 1972 | 33 #include "memory/referenceProcessor.hpp" |
| 34 #include "memory/universe.inline.hpp" | |
| 35 #include "oops/oop.inline.hpp" | |
| 36 #include "prims/jvmtiExport.hpp" | |
| 37 #include "runtime/arguments.hpp" | |
|
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38 #include "runtime/arguments_ext.hpp" |
| 1972 | 39 #include "runtime/globals_extension.hpp" |
| 40 #include "runtime/java.hpp" | |
| 41 #include "services/management.hpp" | |
| 6197 | 42 #include "services/memTracker.hpp" |
| 1972 | 43 #include "utilities/defaultStream.hpp" |
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44 #include "utilities/macros.hpp" |
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45 #include "utilities/stringUtils.hpp" |
| 1972 | 46 #include "utilities/taskqueue.hpp" |
| 47 #ifdef TARGET_OS_FAMILY_linux | |
| 48 # include "os_linux.inline.hpp" | |
| 49 #endif | |
| 50 #ifdef TARGET_OS_FAMILY_solaris | |
| 51 # include "os_solaris.inline.hpp" | |
| 52 #endif | |
| 53 #ifdef TARGET_OS_FAMILY_windows | |
| 54 # include "os_windows.inline.hpp" | |
| 55 #endif | |
| 14411 | 56 #ifdef TARGET_OS_FAMILY_aix |
| 57 # include "os_aix.inline.hpp" | |
| 58 #endif | |
| 3960 | 59 #ifdef TARGET_OS_FAMILY_bsd |
| 60 # include "os_bsd.inline.hpp" | |
| 61 #endif | |
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62 #if INCLUDE_ALL_GCS |
| 1972 | 63 #include "gc_implementation/concurrentMarkSweep/compactibleFreeListSpace.hpp" |
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64 #include "gc_implementation/g1/g1CollectedHeap.inline.hpp" |
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65 #include "gc_implementation/parallelScavenge/parallelScavengeHeap.hpp" |
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66 #endif // INCLUDE_ALL_GCS |
| 0 | 67 |
| 2474 | 68 // Note: This is a special bug reporting site for the JVM |
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69 #define DEFAULT_VENDOR_URL_BUG "http://bugreport.java.com/bugreport/crash.jsp" |
| 0 | 70 #define DEFAULT_JAVA_LAUNCHER "generic" |
| 71 | |
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72 // Disable options not supported in this release, with a warning if they |
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73 // were explicitly requested on the command-line |
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74 #define UNSUPPORTED_OPTION(opt, description) \ |
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75 do { \ |
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76 if (opt) { \ |
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77 if (FLAG_IS_CMDLINE(opt)) { \ |
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78 warning(description " is disabled in this release."); \ |
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79 } \ |
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80 FLAG_SET_DEFAULT(opt, false); \ |
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81 } \ |
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82 } while(0) |
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83 |
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84 #define UNSUPPORTED_GC_OPTION(gc) \ |
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85 do { \ |
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86 if (gc) { \ |
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87 if (FLAG_IS_CMDLINE(gc)) { \ |
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88 warning(#gc " is not supported in this VM. Using Serial GC."); \ |
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89 } \ |
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90 FLAG_SET_DEFAULT(gc, false); \ |
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91 } \ |
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92 } while(0) |
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93 |
| 0 | 94 char** Arguments::_jvm_flags_array = NULL; |
| 95 int Arguments::_num_jvm_flags = 0; | |
| 96 char** Arguments::_jvm_args_array = NULL; | |
| 97 int Arguments::_num_jvm_args = 0; | |
|
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98 #ifdef GRAAL |
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99 char** Arguments::_graal_args_array = NULL; |
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100 int Arguments::_num_graal_args = 0; |
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101 #endif |
| 0 | 102 char* Arguments::_java_command = NULL; |
| 103 SystemProperty* Arguments::_system_properties = NULL; | |
| 104 const char* Arguments::_gc_log_filename = NULL; | |
| 105 bool Arguments::_has_profile = false; | |
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106 size_t Arguments::_conservative_max_heap_alignment = 0; |
| 0 | 107 uintx Arguments::_min_heap_size = 0; |
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108 uintx Arguments::_min_heap_free_ratio = 0; |
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109 uintx Arguments::_max_heap_free_ratio = 0; |
| 0 | 110 Arguments::Mode Arguments::_mode = _mixed; |
| 111 bool Arguments::_java_compiler = false; | |
| 112 bool Arguments::_xdebug_mode = false; | |
| 113 const char* Arguments::_java_vendor_url_bug = DEFAULT_VENDOR_URL_BUG; | |
| 114 const char* Arguments::_sun_java_launcher = DEFAULT_JAVA_LAUNCHER; | |
| 115 int Arguments::_sun_java_launcher_pid = -1; | |
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116 bool Arguments::_created_by_gamma_launcher = false; |
| 0 | 117 |
| 118 // These parameters are reset in method parse_vm_init_args(JavaVMInitArgs*) | |
| 119 bool Arguments::_AlwaysCompileLoopMethods = AlwaysCompileLoopMethods; | |
| 120 bool Arguments::_UseOnStackReplacement = UseOnStackReplacement; | |
| 121 bool Arguments::_BackgroundCompilation = BackgroundCompilation; | |
| 122 bool Arguments::_ClipInlining = ClipInlining; | |
| 123 | |
| 124 char* Arguments::SharedArchivePath = NULL; | |
| 125 | |
| 126 AgentLibraryList Arguments::_libraryList; | |
| 127 AgentLibraryList Arguments::_agentList; | |
| 128 | |
| 129 abort_hook_t Arguments::_abort_hook = NULL; | |
| 130 exit_hook_t Arguments::_exit_hook = NULL; | |
| 131 vfprintf_hook_t Arguments::_vfprintf_hook = NULL; | |
| 132 | |
| 133 | |
| 134 SystemProperty *Arguments::_java_ext_dirs = NULL; | |
| 135 SystemProperty *Arguments::_java_endorsed_dirs = NULL; | |
| 136 SystemProperty *Arguments::_sun_boot_library_path = NULL; | |
| 137 SystemProperty *Arguments::_java_library_path = NULL; | |
| 138 SystemProperty *Arguments::_java_home = NULL; | |
| 139 SystemProperty *Arguments::_java_class_path = NULL; | |
| 140 SystemProperty *Arguments::_sun_boot_class_path = NULL; | |
| 141 | |
| 142 char* Arguments::_meta_index_path = NULL; | |
| 143 char* Arguments::_meta_index_dir = NULL; | |
| 144 | |
| 145 // Check if head of 'option' matches 'name', and sets 'tail' remaining part of option string | |
| 146 | |
| 147 static bool match_option(const JavaVMOption *option, const char* name, | |
| 148 const char** tail) { | |
| 149 int len = (int)strlen(name); | |
| 150 if (strncmp(option->optionString, name, len) == 0) { | |
| 151 *tail = option->optionString + len; | |
| 152 return true; | |
| 153 } else { | |
| 154 return false; | |
| 155 } | |
| 156 } | |
| 157 | |
| 158 static void logOption(const char* opt) { | |
| 159 if (PrintVMOptions) { | |
| 160 jio_fprintf(defaultStream::output_stream(), "VM option '%s'\n", opt); | |
| 161 } | |
| 162 } | |
| 163 | |
| 164 // Process java launcher properties. | |
| 165 void Arguments::process_sun_java_launcher_properties(JavaVMInitArgs* args) { | |
| 166 // See if sun.java.launcher or sun.java.launcher.pid is defined. | |
| 167 // Must do this before setting up other system properties, | |
| 168 // as some of them may depend on launcher type. | |
| 169 for (int index = 0; index < args->nOptions; index++) { | |
| 170 const JavaVMOption* option = args->options + index; | |
| 171 const char* tail; | |
| 172 | |
| 173 if (match_option(option, "-Dsun.java.launcher=", &tail)) { | |
| 174 process_java_launcher_argument(tail, option->extraInfo); | |
| 175 continue; | |
| 176 } | |
| 177 if (match_option(option, "-Dsun.java.launcher.pid=", &tail)) { | |
| 178 _sun_java_launcher_pid = atoi(tail); | |
| 179 continue; | |
| 180 } | |
| 181 } | |
| 182 } | |
| 183 | |
| 184 // Initialize system properties key and value. | |
| 185 void Arguments::init_system_properties() { | |
| 186 | |
| 187 PropertyList_add(&_system_properties, new SystemProperty("java.vm.specification.name", | |
| 188 "Java Virtual Machine Specification", false)); | |
| 189 PropertyList_add(&_system_properties, new SystemProperty("java.vm.version", VM_Version::vm_release(), false)); | |
| 190 PropertyList_add(&_system_properties, new SystemProperty("java.vm.name", VM_Version::vm_name(), false)); | |
| 191 PropertyList_add(&_system_properties, new SystemProperty("java.vm.info", VM_Version::vm_info_string(), true)); | |
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192 #ifdef GRAAL |
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193 #ifdef GRAAL_VERSION |
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194 PropertyList_add(&_system_properties, new SystemProperty("graal.version", GRAAL_VERSION, true)); |
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195 #else |
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196 PropertyList_add(&_system_properties, new SystemProperty("graal.version", "unknown", true)); |
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197 #endif |
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198 #endif |
| 0 | 199 |
| 200 // following are JVMTI agent writeable properties. | |
| 201 // Properties values are set to NULL and they are | |
| 202 // os specific they are initialized in os::init_system_properties_values(). | |
| 203 _java_ext_dirs = new SystemProperty("java.ext.dirs", NULL, true); | |
| 204 _java_endorsed_dirs = new SystemProperty("java.endorsed.dirs", NULL, true); | |
| 205 _sun_boot_library_path = new SystemProperty("sun.boot.library.path", NULL, true); | |
| 206 _java_library_path = new SystemProperty("java.library.path", NULL, true); | |
| 207 _java_home = new SystemProperty("java.home", NULL, true); | |
| 208 _sun_boot_class_path = new SystemProperty("sun.boot.class.path", NULL, true); | |
| 209 | |
| 210 _java_class_path = new SystemProperty("java.class.path", "", true); | |
| 211 | |
| 212 // Add to System Property list. | |
| 213 PropertyList_add(&_system_properties, _java_ext_dirs); | |
| 214 PropertyList_add(&_system_properties, _java_endorsed_dirs); | |
| 215 PropertyList_add(&_system_properties, _sun_boot_library_path); | |
| 216 PropertyList_add(&_system_properties, _java_library_path); | |
| 217 PropertyList_add(&_system_properties, _java_home); | |
| 218 PropertyList_add(&_system_properties, _java_class_path); | |
| 219 PropertyList_add(&_system_properties, _sun_boot_class_path); | |
| 220 | |
| 221 // Set OS specific system properties values | |
| 222 os::init_system_properties_values(); | |
| 223 } | |
| 224 | |
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225 |
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226 // Update/Initialize System properties after JDK version number is known |
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227 void Arguments::init_version_specific_system_properties() { |
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228 enum { bufsz = 16 }; |
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229 char buffer[bufsz]; |
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230 const char* spec_vendor = "Sun Microsystems Inc."; |
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231 uint32_t spec_version = 0; |
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232 |
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233 if (JDK_Version::is_gte_jdk17x_version()) { |
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234 spec_vendor = "Oracle Corporation"; |
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235 spec_version = JDK_Version::current().major_version(); |
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236 } |
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237 jio_snprintf(buffer, bufsz, "1." UINT32_FORMAT, spec_version); |
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238 |
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239 PropertyList_add(&_system_properties, |
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240 new SystemProperty("java.vm.specification.vendor", spec_vendor, false)); |
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241 PropertyList_add(&_system_properties, |
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242 new SystemProperty("java.vm.specification.version", buffer, false)); |
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243 PropertyList_add(&_system_properties, |
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244 new SystemProperty("java.vm.vendor", VM_Version::vm_vendor(), false)); |
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245 } |
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246 |
| 242 | 247 /** |
| 248 * Provide a slightly more user-friendly way of eliminating -XX flags. | |
| 249 * When a flag is eliminated, it can be added to this list in order to | |
| 250 * continue accepting this flag on the command-line, while issuing a warning | |
| 251 * and ignoring the value. Once the JDK version reaches the 'accept_until' | |
| 252 * limit, we flatly refuse to admit the existence of the flag. This allows | |
| 253 * a flag to die correctly over JDK releases using HSX. | |
| 254 */ | |
| 255 typedef struct { | |
| 256 const char* name; | |
| 257 JDK_Version obsoleted_in; // when the flag went away | |
| 258 JDK_Version accept_until; // which version to start denying the existence | |
| 259 } ObsoleteFlag; | |
| 0 | 260 |
| 242 | 261 static ObsoleteFlag obsolete_jvm_flags[] = { |
| 262 { "UseTrainGC", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
| 263 { "UseSpecialLargeObjectHandling", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
| 264 { "UseOversizedCarHandling", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
| 265 { "TraceCarAllocation", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
| 266 { "PrintTrainGCProcessingStats", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
| 267 { "LogOfCarSpaceSize", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
| 268 { "OversizedCarThreshold", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
| 269 { "MinTickInterval", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
| 270 { "DefaultTickInterval", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
| 271 { "MaxTickInterval", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
| 272 { "DelayTickAdjustment", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
| 273 { "ProcessingToTenuringRatio", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
| 274 { "MinTrainLength", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
| 275 { "AppendRatio", JDK_Version::jdk_update(6,10), JDK_Version::jdk(7) }, | |
| 1064 | 276 { "DefaultMaxRAM", JDK_Version::jdk_update(6,18), JDK_Version::jdk(7) }, |
| 277 { "DefaultInitialRAMFraction", | |
| 278 JDK_Version::jdk_update(6,18), JDK_Version::jdk(7) }, | |
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279 { "UseDepthFirstScavengeOrder", |
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280 JDK_Version::jdk_update(6,22), JDK_Version::jdk(7) }, |
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281 { "HandlePromotionFailure", |
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282 JDK_Version::jdk_update(6,24), JDK_Version::jdk(8) }, |
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283 { "MaxLiveObjectEvacuationRatio", |
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284 JDK_Version::jdk_update(6,24), JDK_Version::jdk(8) }, |
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285 { "ForceSharedSpaces", JDK_Version::jdk_update(6,25), JDK_Version::jdk(8) }, |
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286 { "UseParallelOldGCCompacting", |
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287 JDK_Version::jdk_update(6,27), JDK_Version::jdk(8) }, |
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288 { "UseParallelDensePrefixUpdate", |
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289 JDK_Version::jdk_update(6,27), JDK_Version::jdk(8) }, |
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290 { "UseParallelOldGCDensePrefix", |
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291 JDK_Version::jdk_update(6,27), JDK_Version::jdk(8) }, |
| 2460 | 292 { "AllowTransitionalJSR292", JDK_Version::jdk(7), JDK_Version::jdk(8) }, |
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293 { "UseCompressedStrings", JDK_Version::jdk(7), JDK_Version::jdk(8) }, |
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294 { "CMSPermGenPrecleaningEnabled", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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295 { "CMSTriggerPermRatio", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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296 { "CMSInitiatingPermOccupancyFraction", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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297 { "AdaptivePermSizeWeight", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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298 { "PermGenPadding", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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299 { "PermMarkSweepDeadRatio", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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300 { "PermSize", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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301 { "MaxPermSize", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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302 { "MinPermHeapExpansion", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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303 { "MaxPermHeapExpansion", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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304 { "CMSRevisitStackSize", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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305 { "PrintRevisitStats", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
| 6916 | 306 { "UseVectoredExceptions", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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307 { "UseSplitVerifier", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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308 { "UseISM", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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309 { "UsePermISM", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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310 { "UseMPSS", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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311 { "UseStringCache", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
| 17672 | 312 { "UseOldInlining", JDK_Version::jdk(9), JDK_Version::jdk(10) }, |
| 20360 | 313 { "AutoShutdownNMT", JDK_Version::jdk(9), JDK_Version::jdk(10) }, |
| 20575 | 314 { "CompilationRepeat", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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315 #ifdef PRODUCT |
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316 { "DesiredMethodLimit", |
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317 JDK_Version::jdk_update(7, 2), JDK_Version::jdk(8) }, |
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318 #endif // PRODUCT |
| 242 | 319 { NULL, JDK_Version(0), JDK_Version(0) } |
| 320 }; | |
| 321 | |
| 322 // Returns true if the flag is obsolete and fits into the range specified | |
| 323 // for being ignored. In the case that the flag is ignored, the 'version' | |
| 324 // value is filled in with the version number when the flag became | |
| 325 // obsolete so that that value can be displayed to the user. | |
| 326 bool Arguments::is_newly_obsolete(const char *s, JDK_Version* version) { | |
| 0 | 327 int i = 0; |
| 242 | 328 assert(version != NULL, "Must provide a version buffer"); |
| 329 while (obsolete_jvm_flags[i].name != NULL) { | |
| 330 const ObsoleteFlag& flag_status = obsolete_jvm_flags[i]; | |
| 0 | 331 // <flag>=xxx form |
| 332 // [-|+]<flag> form | |
| 242 | 333 if ((strncmp(flag_status.name, s, strlen(flag_status.name)) == 0) || |
| 0 | 334 ((s[0] == '+' || s[0] == '-') && |
| 242 | 335 (strncmp(flag_status.name, &s[1], strlen(flag_status.name)) == 0))) { |
| 336 if (JDK_Version::current().compare(flag_status.accept_until) == -1) { | |
| 337 *version = flag_status.obsoleted_in; | |
| 338 return true; | |
| 339 } | |
| 0 | 340 } |
| 341 i++; | |
| 342 } | |
| 343 return false; | |
| 344 } | |
| 345 | |
| 346 // Constructs the system class path (aka boot class path) from the following | |
| 347 // components, in order: | |
| 348 // | |
| 349 // prefix // from -Xbootclasspath/p:... | |
| 350 // endorsed // the expansion of -Djava.endorsed.dirs=... | |
| 351 // base // from os::get_system_properties() or -Xbootclasspath= | |
| 352 // suffix // from -Xbootclasspath/a:... | |
| 353 // | |
| 354 // java.endorsed.dirs is a list of directories; any jar or zip files in the | |
| 355 // directories are added to the sysclasspath just before the base. | |
| 356 // | |
| 357 // This could be AllStatic, but it isn't needed after argument processing is | |
| 358 // complete. | |
| 359 class SysClassPath: public StackObj { | |
| 360 public: | |
| 361 SysClassPath(const char* base); | |
| 362 ~SysClassPath(); | |
| 363 | |
| 364 inline void set_base(const char* base); | |
| 365 inline void add_prefix(const char* prefix); | |
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366 inline void add_suffix_to_prefix(const char* suffix); |
| 0 | 367 inline void add_suffix(const char* suffix); |
| 368 inline void reset_path(const char* base); | |
| 369 | |
| 370 // Expand the jar/zip files in each directory listed by the java.endorsed.dirs | |
| 371 // property. Must be called after all command-line arguments have been | |
| 372 // processed (in particular, -Djava.endorsed.dirs=...) and before calling | |
| 373 // combined_path(). | |
| 374 void expand_endorsed(); | |
| 375 | |
| 376 inline const char* get_base() const { return _items[_scp_base]; } | |
| 377 inline const char* get_prefix() const { return _items[_scp_prefix]; } | |
| 378 inline const char* get_suffix() const { return _items[_scp_suffix]; } | |
| 379 inline const char* get_endorsed() const { return _items[_scp_endorsed]; } | |
| 380 | |
| 381 // Combine all the components into a single c-heap-allocated string; caller | |
| 382 // must free the string if/when no longer needed. | |
| 383 char* combined_path(); | |
| 384 | |
| 385 private: | |
| 386 // Utility routines. | |
| 387 static char* add_to_path(const char* path, const char* str, bool prepend); | |
| 388 static char* add_jars_to_path(char* path, const char* directory); | |
| 389 | |
| 390 inline void reset_item_at(int index); | |
| 391 | |
| 392 // Array indices for the items that make up the sysclasspath. All except the | |
| 393 // base are allocated in the C heap and freed by this class. | |
| 394 enum { | |
| 395 _scp_prefix, // from -Xbootclasspath/p:... | |
| 396 _scp_endorsed, // the expansion of -Djava.endorsed.dirs=... | |
| 397 _scp_base, // the default sysclasspath | |
| 398 _scp_suffix, // from -Xbootclasspath/a:... | |
| 399 _scp_nitems // the number of items, must be last. | |
| 400 }; | |
| 401 | |
| 402 const char* _items[_scp_nitems]; | |
| 403 DEBUG_ONLY(bool _expansion_done;) | |
| 404 }; | |
| 405 | |
| 406 SysClassPath::SysClassPath(const char* base) { | |
| 407 memset(_items, 0, sizeof(_items)); | |
| 408 _items[_scp_base] = base; | |
| 409 DEBUG_ONLY(_expansion_done = false;) | |
| 410 } | |
| 411 | |
| 412 SysClassPath::~SysClassPath() { | |
| 413 // Free everything except the base. | |
| 414 for (int i = 0; i < _scp_nitems; ++i) { | |
| 415 if (i != _scp_base) reset_item_at(i); | |
| 416 } | |
| 417 DEBUG_ONLY(_expansion_done = false;) | |
| 418 } | |
| 419 | |
| 420 inline void SysClassPath::set_base(const char* base) { | |
| 421 _items[_scp_base] = base; | |
| 422 } | |
| 423 | |
| 424 inline void SysClassPath::add_prefix(const char* prefix) { | |
| 425 _items[_scp_prefix] = add_to_path(_items[_scp_prefix], prefix, true); | |
| 426 } | |
| 427 | |
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428 inline void SysClassPath::add_suffix_to_prefix(const char* suffix) { |
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429 _items[_scp_prefix] = add_to_path(_items[_scp_prefix], suffix, false); |
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430 } |
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431 |
| 0 | 432 inline void SysClassPath::add_suffix(const char* suffix) { |
| 433 _items[_scp_suffix] = add_to_path(_items[_scp_suffix], suffix, false); | |
| 434 } | |
| 435 | |
| 436 inline void SysClassPath::reset_item_at(int index) { | |
| 437 assert(index < _scp_nitems && index != _scp_base, "just checking"); | |
| 438 if (_items[index] != NULL) { | |
| 6197 | 439 FREE_C_HEAP_ARRAY(char, _items[index], mtInternal); |
| 0 | 440 _items[index] = NULL; |
| 441 } | |
| 442 } | |
| 443 | |
| 444 inline void SysClassPath::reset_path(const char* base) { | |
| 445 // Clear the prefix and suffix. | |
| 446 reset_item_at(_scp_prefix); | |
| 447 reset_item_at(_scp_suffix); | |
| 448 set_base(base); | |
| 449 } | |
| 450 | |
| 451 //------------------------------------------------------------------------------ | |
| 452 | |
| 453 void SysClassPath::expand_endorsed() { | |
| 454 assert(_items[_scp_endorsed] == NULL, "can only be called once."); | |
| 455 | |
| 456 const char* path = Arguments::get_property("java.endorsed.dirs"); | |
| 457 if (path == NULL) { | |
| 458 path = Arguments::get_endorsed_dir(); | |
| 459 assert(path != NULL, "no default for java.endorsed.dirs"); | |
| 460 } | |
| 461 | |
| 462 char* expanded_path = NULL; | |
| 463 const char separator = *os::path_separator(); | |
| 464 const char* const end = path + strlen(path); | |
| 465 while (path < end) { | |
| 466 const char* tmp_end = strchr(path, separator); | |
| 467 if (tmp_end == NULL) { | |
| 468 expanded_path = add_jars_to_path(expanded_path, path); | |
| 469 path = end; | |
| 470 } else { | |
| 6197 | 471 char* dirpath = NEW_C_HEAP_ARRAY(char, tmp_end - path + 1, mtInternal); |
| 0 | 472 memcpy(dirpath, path, tmp_end - path); |
| 473 dirpath[tmp_end - path] = '\0'; | |
| 474 expanded_path = add_jars_to_path(expanded_path, dirpath); | |
| 6197 | 475 FREE_C_HEAP_ARRAY(char, dirpath, mtInternal); |
| 0 | 476 path = tmp_end + 1; |
| 477 } | |
| 478 } | |
| 479 _items[_scp_endorsed] = expanded_path; | |
| 480 DEBUG_ONLY(_expansion_done = true;) | |
| 481 } | |
| 482 | |
| 483 // Combine the bootclasspath elements, some of which may be null, into a single | |
| 484 // c-heap-allocated string. | |
| 485 char* SysClassPath::combined_path() { | |
| 486 assert(_items[_scp_base] != NULL, "empty default sysclasspath"); | |
| 487 assert(_expansion_done, "must call expand_endorsed() first."); | |
| 488 | |
| 489 size_t lengths[_scp_nitems]; | |
| 490 size_t total_len = 0; | |
| 491 | |
| 492 const char separator = *os::path_separator(); | |
| 493 | |
| 494 // Get the lengths. | |
| 495 int i; | |
| 496 for (i = 0; i < _scp_nitems; ++i) { | |
| 497 if (_items[i] != NULL) { | |
| 498 lengths[i] = strlen(_items[i]); | |
| 499 // Include space for the separator char (or a NULL for the last item). | |
| 500 total_len += lengths[i] + 1; | |
| 501 } | |
| 502 } | |
| 503 assert(total_len > 0, "empty sysclasspath not allowed"); | |
| 504 | |
| 505 // Copy the _items to a single string. | |
| 6197 | 506 char* cp = NEW_C_HEAP_ARRAY(char, total_len, mtInternal); |
| 0 | 507 char* cp_tmp = cp; |
| 508 for (i = 0; i < _scp_nitems; ++i) { | |
| 509 if (_items[i] != NULL) { | |
| 510 memcpy(cp_tmp, _items[i], lengths[i]); | |
| 511 cp_tmp += lengths[i]; | |
| 512 *cp_tmp++ = separator; | |
| 513 } | |
| 514 } | |
| 515 *--cp_tmp = '\0'; // Replace the extra separator. | |
| 516 return cp; | |
| 517 } | |
| 518 | |
| 519 // Note: path must be c-heap-allocated (or NULL); it is freed if non-null. | |
| 520 char* | |
| 521 SysClassPath::add_to_path(const char* path, const char* str, bool prepend) { | |
| 522 char *cp; | |
| 523 | |
| 524 assert(str != NULL, "just checking"); | |
| 525 if (path == NULL) { | |
| 526 size_t len = strlen(str) + 1; | |
| 6197 | 527 cp = NEW_C_HEAP_ARRAY(char, len, mtInternal); |
| 0 | 528 memcpy(cp, str, len); // copy the trailing null |
| 529 } else { | |
| 530 const char separator = *os::path_separator(); | |
| 531 size_t old_len = strlen(path); | |
| 532 size_t str_len = strlen(str); | |
| 533 size_t len = old_len + str_len + 2; | |
| 534 | |
| 535 if (prepend) { | |
| 6197 | 536 cp = NEW_C_HEAP_ARRAY(char, len, mtInternal); |
| 0 | 537 char* cp_tmp = cp; |
| 538 memcpy(cp_tmp, str, str_len); | |
| 539 cp_tmp += str_len; | |
| 540 *cp_tmp = separator; | |
| 541 memcpy(++cp_tmp, path, old_len + 1); // copy the trailing null | |
| 6197 | 542 FREE_C_HEAP_ARRAY(char, path, mtInternal); |
| 0 | 543 } else { |
| 6197 | 544 cp = REALLOC_C_HEAP_ARRAY(char, path, len, mtInternal); |
| 0 | 545 char* cp_tmp = cp + old_len; |
| 546 *cp_tmp = separator; | |
| 547 memcpy(++cp_tmp, str, str_len + 1); // copy the trailing null | |
| 548 } | |
| 549 } | |
| 550 return cp; | |
| 551 } | |
| 552 | |
| 553 // Scan the directory and append any jar or zip files found to path. | |
| 554 // Note: path must be c-heap-allocated (or NULL); it is freed if non-null. | |
| 555 char* SysClassPath::add_jars_to_path(char* path, const char* directory) { | |
| 556 DIR* dir = os::opendir(directory); | |
| 557 if (dir == NULL) return path; | |
| 558 | |
| 559 char dir_sep[2] = { '\0', '\0' }; | |
| 560 size_t directory_len = strlen(directory); | |
| 561 const char fileSep = *os::file_separator(); | |
| 562 if (directory[directory_len - 1] != fileSep) dir_sep[0] = fileSep; | |
| 563 | |
| 564 /* Scan the directory for jars/zips, appending them to path. */ | |
| 565 struct dirent *entry; | |
| 6197 | 566 char *dbuf = NEW_C_HEAP_ARRAY(char, os::readdir_buf_size(directory), mtInternal); |
| 0 | 567 while ((entry = os::readdir(dir, (dirent *) dbuf)) != NULL) { |
| 568 const char* name = entry->d_name; | |
| 569 const char* ext = name + strlen(name) - 4; | |
| 570 bool isJarOrZip = ext > name && | |
| 571 (os::file_name_strcmp(ext, ".jar") == 0 || | |
| 572 os::file_name_strcmp(ext, ".zip") == 0); | |
| 573 if (isJarOrZip) { | |
| 6197 | 574 char* jarpath = NEW_C_HEAP_ARRAY(char, directory_len + 2 + strlen(name), mtInternal); |
| 0 | 575 sprintf(jarpath, "%s%s%s", directory, dir_sep, name); |
| 576 path = add_to_path(path, jarpath, false); | |
| 6197 | 577 FREE_C_HEAP_ARRAY(char, jarpath, mtInternal); |
| 0 | 578 } |
| 579 } | |
| 6197 | 580 FREE_C_HEAP_ARRAY(char, dbuf, mtInternal); |
| 0 | 581 os::closedir(dir); |
| 582 return path; | |
| 583 } | |
| 584 | |
| 585 // Parses a memory size specification string. | |
|
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586 static bool atomull(const char *s, julong* result) { |
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587 julong n = 0; |
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588 int args_read = sscanf(s, JULONG_FORMAT, &n); |
| 0 | 589 if (args_read != 1) { |
| 590 return false; | |
| 591 } | |
| 592 while (*s != '\0' && isdigit(*s)) { | |
| 593 s++; | |
| 594 } | |
| 595 // 4705540: illegal if more characters are found after the first non-digit | |
| 596 if (strlen(s) > 1) { | |
| 597 return false; | |
| 598 } | |
| 599 switch (*s) { | |
| 600 case 'T': case 't': | |
| 601 *result = n * G * K; | |
|
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602 // Check for overflow. |
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603 if (*result/((julong)G * K) != n) return false; |
| 0 | 604 return true; |
| 605 case 'G': case 'g': | |
| 606 *result = n * G; | |
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607 if (*result/G != n) return false; |
| 0 | 608 return true; |
| 609 case 'M': case 'm': | |
| 610 *result = n * M; | |
|
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611 if (*result/M != n) return false; |
| 0 | 612 return true; |
| 613 case 'K': case 'k': | |
| 614 *result = n * K; | |
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615 if (*result/K != n) return false; |
| 0 | 616 return true; |
| 617 case '\0': | |
| 618 *result = n; | |
| 619 return true; | |
| 620 default: | |
| 621 return false; | |
| 622 } | |
| 623 } | |
| 624 | |
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625 Arguments::ArgsRange Arguments::check_memory_size(julong size, julong min_size) { |
| 0 | 626 if (size < min_size) return arg_too_small; |
| 627 // Check that size will fit in a size_t (only relevant on 32-bit) | |
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628 if (size > max_uintx) return arg_too_big; |
| 0 | 629 return arg_in_range; |
| 630 } | |
| 631 | |
| 632 // Describe an argument out of range error | |
| 633 void Arguments::describe_range_error(ArgsRange errcode) { | |
| 634 switch(errcode) { | |
| 635 case arg_too_big: | |
| 636 jio_fprintf(defaultStream::error_stream(), | |
| 637 "The specified size exceeds the maximum " | |
| 638 "representable size.\n"); | |
| 639 break; | |
| 640 case arg_too_small: | |
| 641 case arg_unreadable: | |
| 642 case arg_in_range: | |
| 643 // do nothing for now | |
| 644 break; | |
| 645 default: | |
| 646 ShouldNotReachHere(); | |
| 647 } | |
| 648 } | |
| 649 | |
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650 static bool set_bool_flag(char* name, bool value, Flag::Flags origin) { |
| 0 | 651 return CommandLineFlags::boolAtPut(name, &value, origin); |
| 652 } | |
| 653 | |
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654 static bool set_fp_numeric_flag(char* name, char* value, Flag::Flags origin) { |
| 0 | 655 double v; |
| 656 if (sscanf(value, "%lf", &v) != 1) { | |
| 657 return false; | |
| 658 } | |
| 659 | |
| 660 if (CommandLineFlags::doubleAtPut(name, &v, origin)) { | |
| 661 return true; | |
| 662 } | |
| 663 return false; | |
| 664 } | |
| 665 | |
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666 static bool set_numeric_flag(char* name, char* value, Flag::Flags origin) { |
|
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667 julong v; |
| 0 | 668 intx intx_v; |
| 669 bool is_neg = false; | |
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670 // Check the sign first since atomull() parses only unsigned values. |
| 0 | 671 if (*value == '-') { |
| 672 if (!CommandLineFlags::intxAt(name, &intx_v)) { | |
| 673 return false; | |
| 674 } | |
| 675 value++; | |
| 676 is_neg = true; | |
| 677 } | |
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678 if (!atomull(value, &v)) { |
| 0 | 679 return false; |
| 680 } | |
| 681 intx_v = (intx) v; | |
| 682 if (is_neg) { | |
| 683 intx_v = -intx_v; | |
| 684 } | |
| 685 if (CommandLineFlags::intxAtPut(name, &intx_v, origin)) { | |
| 686 return true; | |
| 687 } | |
| 688 uintx uintx_v = (uintx) v; | |
| 689 if (!is_neg && CommandLineFlags::uintxAtPut(name, &uintx_v, origin)) { | |
| 690 return true; | |
| 691 } | |
| 1064 | 692 uint64_t uint64_t_v = (uint64_t) v; |
| 693 if (!is_neg && CommandLineFlags::uint64_tAtPut(name, &uint64_t_v, origin)) { | |
| 694 return true; | |
| 695 } | |
| 0 | 696 return false; |
| 697 } | |
| 698 | |
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699 static bool set_string_flag(char* name, const char* value, Flag::Flags origin) { |
| 0 | 700 if (!CommandLineFlags::ccstrAtPut(name, &value, origin)) return false; |
| 701 // Contract: CommandLineFlags always returns a pointer that needs freeing. | |
| 6197 | 702 FREE_C_HEAP_ARRAY(char, value, mtInternal); |
| 0 | 703 return true; |
| 704 } | |
| 705 | |
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706 static bool append_to_string_flag(char* name, const char* new_value, Flag::Flags origin) { |
| 0 | 707 const char* old_value = ""; |
| 708 if (!CommandLineFlags::ccstrAt(name, &old_value)) return false; | |
| 709 size_t old_len = old_value != NULL ? strlen(old_value) : 0; | |
| 710 size_t new_len = strlen(new_value); | |
| 711 const char* value; | |
| 712 char* free_this_too = NULL; | |
| 713 if (old_len == 0) { | |
| 714 value = new_value; | |
| 715 } else if (new_len == 0) { | |
| 716 value = old_value; | |
| 717 } else { | |
| 6197 | 718 char* buf = NEW_C_HEAP_ARRAY(char, old_len + 1 + new_len + 1, mtInternal); |
| 0 | 719 // each new setting adds another LINE to the switch: |
| 720 sprintf(buf, "%s\n%s", old_value, new_value); | |
| 721 value = buf; | |
| 722 free_this_too = buf; | |
| 723 } | |
| 724 (void) CommandLineFlags::ccstrAtPut(name, &value, origin); | |
| 725 // CommandLineFlags always returns a pointer that needs freeing. | |
| 6197 | 726 FREE_C_HEAP_ARRAY(char, value, mtInternal); |
| 0 | 727 if (free_this_too != NULL) { |
| 728 // CommandLineFlags made its own copy, so I must delete my own temp. buffer. | |
| 6197 | 729 FREE_C_HEAP_ARRAY(char, free_this_too, mtInternal); |
| 0 | 730 } |
| 731 return true; | |
| 732 } | |
| 733 | |
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734 bool Arguments::parse_argument(const char* arg, Flag::Flags origin) { |
| 0 | 735 |
| 736 // range of acceptable characters spelled out for portability reasons | |
| 737 #define NAME_RANGE "[abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_]" | |
| 738 #define BUFLEN 255 | |
| 739 char name[BUFLEN+1]; | |
| 740 char dummy; | |
| 741 | |
| 742 if (sscanf(arg, "-%" XSTR(BUFLEN) NAME_RANGE "%c", name, &dummy) == 1) { | |
| 743 return set_bool_flag(name, false, origin); | |
| 744 } | |
| 745 if (sscanf(arg, "+%" XSTR(BUFLEN) NAME_RANGE "%c", name, &dummy) == 1) { | |
| 746 return set_bool_flag(name, true, origin); | |
| 747 } | |
| 748 | |
| 749 char punct; | |
| 750 if (sscanf(arg, "%" XSTR(BUFLEN) NAME_RANGE "%c", name, &punct) == 2 && punct == '=') { | |
| 751 const char* value = strchr(arg, '=') + 1; | |
| 752 Flag* flag = Flag::find_flag(name, strlen(name)); | |
| 753 if (flag != NULL && flag->is_ccstr()) { | |
| 754 if (flag->ccstr_accumulates()) { | |
| 755 return append_to_string_flag(name, value, origin); | |
| 756 } else { | |
| 757 if (value[0] == '\0') { | |
| 758 value = NULL; | |
| 759 } | |
| 760 return set_string_flag(name, value, origin); | |
| 761 } | |
| 762 } | |
| 763 } | |
| 764 | |
| 765 if (sscanf(arg, "%" XSTR(BUFLEN) NAME_RANGE ":%c", name, &punct) == 2 && punct == '=') { | |
| 766 const char* value = strchr(arg, '=') + 1; | |
| 767 // -XX:Foo:=xxx will reset the string flag to the given value. | |
| 768 if (value[0] == '\0') { | |
| 769 value = NULL; | |
| 770 } | |
| 771 return set_string_flag(name, value, origin); | |
| 772 } | |
| 773 | |
| 774 #define SIGNED_FP_NUMBER_RANGE "[-0123456789.]" | |
| 775 #define SIGNED_NUMBER_RANGE "[-0123456789]" | |
| 776 #define NUMBER_RANGE "[0123456789]" | |
| 777 char value[BUFLEN + 1]; | |
| 778 char value2[BUFLEN + 1]; | |
| 779 if (sscanf(arg, "%" XSTR(BUFLEN) NAME_RANGE "=" "%" XSTR(BUFLEN) SIGNED_NUMBER_RANGE "." "%" XSTR(BUFLEN) NUMBER_RANGE "%c", name, value, value2, &dummy) == 3) { | |
| 780 // Looks like a floating-point number -- try again with more lenient format string | |
| 781 if (sscanf(arg, "%" XSTR(BUFLEN) NAME_RANGE "=" "%" XSTR(BUFLEN) SIGNED_FP_NUMBER_RANGE "%c", name, value, &dummy) == 2) { | |
| 782 return set_fp_numeric_flag(name, value, origin); | |
| 783 } | |
| 784 } | |
| 785 | |
| 786 #define VALUE_RANGE "[-kmgtKMGT0123456789]" | |
| 787 if (sscanf(arg, "%" XSTR(BUFLEN) NAME_RANGE "=" "%" XSTR(BUFLEN) VALUE_RANGE "%c", name, value, &dummy) == 2) { | |
| 788 return set_numeric_flag(name, value, origin); | |
| 789 } | |
| 790 | |
| 791 return false; | |
| 792 } | |
| 793 | |
| 794 void Arguments::add_string(char*** bldarray, int* count, const char* arg) { | |
| 795 assert(bldarray != NULL, "illegal argument"); | |
| 796 | |
| 797 if (arg == NULL) { | |
| 798 return; | |
| 799 } | |
| 800 | |
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801 int new_count = *count + 1; |
| 0 | 802 |
| 803 // expand the array and add arg to the last element | |
| 804 if (*bldarray == NULL) { | |
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805 *bldarray = NEW_C_HEAP_ARRAY(char*, new_count, mtInternal); |
| 0 | 806 } else { |
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807 *bldarray = REALLOC_C_HEAP_ARRAY(char*, *bldarray, new_count, mtInternal); |
| 0 | 808 } |
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809 (*bldarray)[*count] = strdup(arg); |
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810 *count = new_count; |
| 0 | 811 } |
| 812 | |
| 813 void Arguments::build_jvm_args(const char* arg) { | |
| 814 add_string(&_jvm_args_array, &_num_jvm_args, arg); | |
| 815 } | |
| 816 | |
| 817 void Arguments::build_jvm_flags(const char* arg) { | |
| 818 add_string(&_jvm_flags_array, &_num_jvm_flags, arg); | |
| 819 } | |
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820 #ifdef GRAAL |
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821 void Arguments::add_graal_arg(const char* arg) { |
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822 add_string(&_graal_args_array, &_num_graal_args, arg); |
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823 } |
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824 #endif |
| 0 | 825 |
| 826 // utility function to return a string that concatenates all | |
| 827 // strings in a given char** array | |
| 828 const char* Arguments::build_resource_string(char** args, int count) { | |
| 829 if (args == NULL || count == 0) { | |
| 830 return NULL; | |
| 831 } | |
| 832 size_t length = strlen(args[0]) + 1; // add 1 for the null terminator | |
| 833 for (int i = 1; i < count; i++) { | |
| 834 length += strlen(args[i]) + 1; // add 1 for a space | |
| 835 } | |
| 836 char* s = NEW_RESOURCE_ARRAY(char, length); | |
| 837 strcpy(s, args[0]); | |
| 838 for (int j = 1; j < count; j++) { | |
| 839 strcat(s, " "); | |
| 840 strcat(s, args[j]); | |
| 841 } | |
| 842 return (const char*) s; | |
| 843 } | |
| 844 | |
| 845 void Arguments::print_on(outputStream* st) { | |
| 846 st->print_cr("VM Arguments:"); | |
| 847 if (num_jvm_flags() > 0) { | |
| 848 st->print("jvm_flags: "); print_jvm_flags_on(st); | |
| 849 } | |
| 850 if (num_jvm_args() > 0) { | |
| 851 st->print("jvm_args: "); print_jvm_args_on(st); | |
| 852 } | |
| 853 st->print_cr("java_command: %s", java_command() ? java_command() : "<unknown>"); | |
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854 if (_java_class_path != NULL) { |
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855 char* path = _java_class_path->value(); |
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856 st->print_cr("java_class_path (initial): %s", strlen(path) == 0 ? "<not set>" : path ); |
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857 } |
| 0 | 858 st->print_cr("Launcher Type: %s", _sun_java_launcher); |
| 859 } | |
| 860 | |
| 861 void Arguments::print_jvm_flags_on(outputStream* st) { | |
| 862 if (_num_jvm_flags > 0) { | |
| 863 for (int i=0; i < _num_jvm_flags; i++) { | |
| 864 st->print("%s ", _jvm_flags_array[i]); | |
| 865 } | |
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866 st->cr(); |
| 0 | 867 } |
| 868 } | |
| 869 | |
| 870 void Arguments::print_jvm_args_on(outputStream* st) { | |
| 871 if (_num_jvm_args > 0) { | |
| 872 for (int i=0; i < _num_jvm_args; i++) { | |
| 873 st->print("%s ", _jvm_args_array[i]); | |
| 874 } | |
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875 st->cr(); |
| 0 | 876 } |
| 877 } | |
| 878 | |
| 242 | 879 bool Arguments::process_argument(const char* arg, |
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880 jboolean ignore_unrecognized, Flag::Flags origin) { |
| 242 | 881 |
| 882 JDK_Version since = JDK_Version(); | |
| 0 | 883 |
| 3250 | 884 if (parse_argument(arg, origin) || ignore_unrecognized) { |
| 885 return true; | |
| 0 | 886 } |
| 3250 | 887 |
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888 bool has_plus_minus = (*arg == '+' || *arg == '-'); |
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889 const char* const argname = has_plus_minus ? arg + 1 : arg; |
| 3250 | 890 if (is_newly_obsolete(arg, &since)) { |
| 891 char version[256]; | |
| 892 since.to_string(version, sizeof(version)); | |
| 893 warning("ignoring option %s; support was removed in %s", argname, version); | |
| 894 return true; | |
| 895 } | |
| 896 | |
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897 // For locked flags, report a custom error message if available. |
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898 // Otherwise, report the standard unrecognized VM option. |
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899 |
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900 size_t arg_len; |
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901 const char* equal_sign = strchr(argname, '='); |
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902 if (equal_sign == NULL) { |
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903 arg_len = strlen(argname); |
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904 } else { |
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905 arg_len = equal_sign - argname; |
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906 } |
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907 |
|
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908 Flag* found_flag = Flag::find_flag((const char*)argname, arg_len, true, true); |
|
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909 if (found_flag != NULL) { |
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910 char locked_message_buf[BUFLEN]; |
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911 found_flag->get_locked_message(locked_message_buf, BUFLEN); |
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912 if (strlen(locked_message_buf) == 0) { |
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913 if (found_flag->is_bool() && !has_plus_minus) { |
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914 jio_fprintf(defaultStream::error_stream(), |
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915 "Missing +/- setting for VM option '%s'\n", argname); |
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916 } else if (!found_flag->is_bool() && has_plus_minus) { |
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917 jio_fprintf(defaultStream::error_stream(), |
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918 "Unexpected +/- setting in VM option '%s'\n", argname); |
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919 } else { |
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920 jio_fprintf(defaultStream::error_stream(), |
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921 "Improperly specified VM option '%s'\n", argname); |
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922 } |
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923 } else { |
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924 jio_fprintf(defaultStream::error_stream(), "%s", locked_message_buf); |
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925 } |
| 6017 | 926 } else { |
| 927 jio_fprintf(defaultStream::error_stream(), | |
| 928 "Unrecognized VM option '%s'\n", argname); | |
| 11070 | 929 Flag* fuzzy_matched = Flag::fuzzy_match((const char*)argname, arg_len, true); |
| 930 if (fuzzy_matched != NULL) { | |
| 931 jio_fprintf(defaultStream::error_stream(), | |
| 932 "Did you mean '%s%s%s'?\n", | |
| 933 (fuzzy_matched->is_bool()) ? "(+/-)" : "", | |
|
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934 fuzzy_matched->_name, |
| 11070 | 935 (fuzzy_matched->is_bool()) ? "" : "=<value>"); |
| 936 } | |
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937 } |
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938 |
| 3250 | 939 // allow for commandline "commenting out" options like -XX:#+Verbose |
| 940 return arg[0] == '#'; | |
| 0 | 941 } |
| 942 | |
| 943 bool Arguments::process_settings_file(const char* file_name, bool should_exist, jboolean ignore_unrecognized) { | |
| 944 FILE* stream = fopen(file_name, "rb"); | |
| 945 if (stream == NULL) { | |
| 946 if (should_exist) { | |
| 947 jio_fprintf(defaultStream::error_stream(), | |
| 948 "Could not open settings file %s\n", file_name); | |
| 949 return false; | |
| 950 } else { | |
| 951 return true; | |
| 952 } | |
| 953 } | |
| 954 | |
| 955 char token[1024]; | |
| 956 int pos = 0; | |
| 957 | |
| 958 bool in_white_space = true; | |
| 959 bool in_comment = false; | |
| 960 bool in_quote = false; | |
| 961 char quote_c = 0; | |
| 962 bool result = true; | |
| 963 | |
| 964 int c = getc(stream); | |
| 6901 | 965 while(c != EOF && pos < (int)(sizeof(token)-1)) { |
| 0 | 966 if (in_white_space) { |
| 967 if (in_comment) { | |
| 968 if (c == '\n') in_comment = false; | |
| 969 } else { | |
| 970 if (c == '#') in_comment = true; | |
| 971 else if (!isspace(c)) { | |
| 972 in_white_space = false; | |
| 973 token[pos++] = c; | |
| 974 } | |
| 975 } | |
| 976 } else { | |
| 977 if (c == '\n' || (!in_quote && isspace(c))) { | |
| 978 // token ends at newline, or at unquoted whitespace | |
| 979 // this allows a way to include spaces in string-valued options | |
| 980 token[pos] = '\0'; | |
| 981 logOption(token); | |
|
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982 result &= process_argument(token, ignore_unrecognized, Flag::CONFIG_FILE); |
| 0 | 983 build_jvm_flags(token); |
| 984 pos = 0; | |
| 985 in_white_space = true; | |
| 986 in_quote = false; | |
| 987 } else if (!in_quote && (c == '\'' || c == '"')) { | |
| 988 in_quote = true; | |
| 989 quote_c = c; | |
| 990 } else if (in_quote && (c == quote_c)) { | |
| 991 in_quote = false; | |
| 992 } else { | |
| 993 token[pos++] = c; | |
| 994 } | |
| 995 } | |
| 996 c = getc(stream); | |
| 997 } | |
| 998 if (pos > 0) { | |
| 999 token[pos] = '\0'; | |
|
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1000 result &= process_argument(token, ignore_unrecognized, Flag::CONFIG_FILE); |
| 0 | 1001 build_jvm_flags(token); |
| 1002 } | |
| 1003 fclose(stream); | |
| 1004 return result; | |
| 1005 } | |
| 1006 | |
| 1007 //============================================================================================================= | |
| 1008 // Parsing of properties (-D) | |
| 1009 | |
| 1010 const char* Arguments::get_property(const char* key) { | |
| 1011 return PropertyList_get_value(system_properties(), key); | |
| 1012 } | |
| 1013 | |
| 1014 bool Arguments::add_property(const char* prop) { | |
| 1015 const char* eq = strchr(prop, '='); | |
| 1016 char* key; | |
| 1017 // ns must be static--its address may be stored in a SystemProperty object. | |
| 1018 const static char ns[1] = {0}; | |
| 1019 char* value = (char *)ns; | |
| 1020 | |
| 1021 size_t key_len = (eq == NULL) ? strlen(prop) : (eq - prop); | |
| 6197 | 1022 key = AllocateHeap(key_len + 1, mtInternal); |
| 0 | 1023 strncpy(key, prop, key_len); |
| 1024 key[key_len] = '\0'; | |
| 1025 | |
| 1026 if (eq != NULL) { | |
| 1027 size_t value_len = strlen(prop) - key_len - 1; | |
| 6197 | 1028 value = AllocateHeap(value_len + 1, mtInternal); |
| 0 | 1029 strncpy(value, &prop[key_len + 1], value_len + 1); |
| 1030 } | |
| 1031 | |
| 1032 if (strcmp(key, "java.compiler") == 0) { | |
| 1033 process_java_compiler_argument(value); | |
| 1034 FreeHeap(key); | |
| 1035 if (eq != NULL) { | |
| 1036 FreeHeap(value); | |
| 1037 } | |
| 1038 return true; | |
| 691 | 1039 } else if (strcmp(key, "sun.java.command") == 0) { |
| 0 | 1040 _java_command = value; |
| 1041 | |
|
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1042 // Record value in Arguments, but let it get passed to Java. |
| 691 | 1043 } else if (strcmp(key, "sun.java.launcher.pid") == 0) { |
| 0 | 1044 // launcher.pid property is private and is processed |
| 1045 // in process_sun_java_launcher_properties(); | |
| 1046 // the sun.java.launcher property is passed on to the java application | |
| 1047 FreeHeap(key); | |
| 1048 if (eq != NULL) { | |
| 1049 FreeHeap(value); | |
| 1050 } | |
| 1051 return true; | |
| 691 | 1052 } else if (strcmp(key, "java.vendor.url.bug") == 0) { |
| 0 | 1053 // save it in _java_vendor_url_bug, so JVM fatal error handler can access |
| 1054 // its value without going through the property list or making a Java call. | |
| 1055 _java_vendor_url_bug = value; | |
| 691 | 1056 } else if (strcmp(key, "sun.boot.library.path") == 0) { |
| 1057 PropertyList_unique_add(&_system_properties, key, value, true); | |
| 1058 return true; | |
| 0 | 1059 } |
| 1060 // Create new property and add at the end of the list | |
| 1061 PropertyList_unique_add(&_system_properties, key, value); | |
| 1062 return true; | |
| 1063 } | |
| 1064 | |
| 1065 //=========================================================================================================== | |
| 1066 // Setting int/mixed/comp mode flags | |
| 1067 | |
| 1068 void Arguments::set_mode_flags(Mode mode) { | |
| 1069 // Set up default values for all flags. | |
| 1070 // If you add a flag to any of the branches below, | |
| 1071 // add a default value for it here. | |
| 1072 set_java_compiler(false); | |
| 1073 _mode = mode; | |
| 1074 | |
| 1075 // Ensure Agent_OnLoad has the correct initial values. | |
| 1076 // This may not be the final mode; mode may change later in onload phase. | |
| 1077 PropertyList_unique_add(&_system_properties, "java.vm.info", | |
|
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1078 (char*)VM_Version::vm_info_string(), false); |
| 0 | 1079 |
| 1080 UseInterpreter = true; | |
| 1081 UseCompiler = true; | |
| 1082 UseLoopCounter = true; | |
| 1083 | |
|
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1084 #ifndef ZERO |
|
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1085 // Turn these off for mixed and comp. Leave them on for Zero. |
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1086 if (FLAG_IS_DEFAULT(UseFastAccessorMethods)) { |
|
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1087 UseFastAccessorMethods = (mode == _int); |
|
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1088 } |
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1089 if (FLAG_IS_DEFAULT(UseFastEmptyMethods)) { |
|
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1090 UseFastEmptyMethods = (mode == _int); |
|
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1091 } |
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1092 #endif |
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1093 |
| 0 | 1094 // Default values may be platform/compiler dependent - |
| 1095 // use the saved values | |
| 1096 ClipInlining = Arguments::_ClipInlining; | |
| 1097 AlwaysCompileLoopMethods = Arguments::_AlwaysCompileLoopMethods; | |
| 1098 UseOnStackReplacement = Arguments::_UseOnStackReplacement; | |
| 1099 BackgroundCompilation = Arguments::_BackgroundCompilation; | |
| 1100 | |
| 1101 // Change from defaults based on mode | |
| 1102 switch (mode) { | |
| 1103 default: | |
| 1104 ShouldNotReachHere(); | |
| 1105 break; | |
| 1106 case _int: | |
| 1107 UseCompiler = false; | |
| 1108 UseLoopCounter = false; | |
| 1109 AlwaysCompileLoopMethods = false; | |
| 1110 UseOnStackReplacement = false; | |
| 1111 break; | |
| 1112 case _mixed: | |
| 1113 // same as default | |
| 1114 break; | |
| 1115 case _comp: | |
| 1116 UseInterpreter = false; | |
| 1117 BackgroundCompilation = false; | |
| 1118 ClipInlining = false; | |
|
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1119 // Be much more aggressive in tiered mode with -Xcomp and exercise C2 more. |
|
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1120 // We will first compile a level 3 version (C1 with full profiling), then do one invocation of it and |
|
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1121 // compile a level 4 (C2) and then continue executing it. |
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1122 if (TieredCompilation) { |
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1123 Tier3InvokeNotifyFreqLog = 0; |
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1124 Tier4InvocationThreshold = 0; |
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|
1125 } |
| 0 | 1126 break; |
| 1127 } | |
| 1128 } | |
| 1129 | |
| 12355 | 1130 #if defined(COMPILER2) || defined(GRAAL) || defined(_LP64) || !INCLUDE_CDS |
| 0 | 1131 // Conflict: required to use shared spaces (-Xshare:on), but |
| 1132 // incompatible command line options were chosen. | |
| 1133 | |
|
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|
1134 static void no_shared_spaces(const char* message) { |
| 0 | 1135 if (RequireSharedSpaces) { |
| 1136 jio_fprintf(defaultStream::error_stream(), | |
| 1137 "Class data sharing is inconsistent with other specified options.\n"); | |
|
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|
1138 vm_exit_during_initialization("Unable to use shared archive.", message); |
| 0 | 1139 } else { |
| 1140 FLAG_SET_DEFAULT(UseSharedSpaces, false); | |
| 1141 } | |
| 1142 } | |
|
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1143 #endif |
| 0 | 1144 |
| 1783 | 1145 void Arguments::set_tiered_flags() { |
|
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1146 // With tiered, set default policy to AdvancedThresholdPolicy, which is 3. |
| 1783 | 1147 if (FLAG_IS_DEFAULT(CompilationPolicyChoice)) { |
|
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1148 FLAG_SET_DEFAULT(CompilationPolicyChoice, 3); |
| 1783 | 1149 } |
| 1150 if (CompilationPolicyChoice < 2) { | |
| 1151 vm_exit_during_initialization( | |
| 1152 "Incompatible compilation policy selected", NULL); | |
| 1153 } | |
|
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1154 // Increase the code cache size - tiered compiles a lot more. |
| 1783 | 1155 if (FLAG_IS_DEFAULT(ReservedCodeCacheSize)) { |
|
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1156 FLAG_SET_DEFAULT(ReservedCodeCacheSize, ReservedCodeCacheSize * 5); |
| 1783 | 1157 } |
| 10278 | 1158 if (!UseInterpreter) { // -Xcomp |
| 1159 Tier3InvokeNotifyFreqLog = 0; | |
| 1160 Tier4InvocationThreshold = 0; | |
| 1161 } | |
| 1783 | 1162 } |
| 1163 | |
|
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1164 /** |
|
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1165 * Returns the minimum number of compiler threads needed to run the JVM. The following |
|
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1166 * configurations are possible. |
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1167 * |
|
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1168 * 1) The JVM is build using an interpreter only. As a result, the minimum number of |
|
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1169 * compiler threads is 0. |
|
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1170 * 2) The JVM is build using the compiler(s) and tiered compilation is disabled. As |
|
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1171 * a result, either C1 or C2 is used, so the minimum number of compiler threads is 1. |
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1172 * 3) The JVM is build using the compiler(s) and tiered compilation is enabled. However, |
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1173 * the option "TieredStopAtLevel < CompLevel_full_optimization". As a result, only |
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1174 * C1 can be used, so the minimum number of compiler threads is 1. |
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1175 * 4) The JVM is build using the compilers and tiered compilation is enabled. The option |
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1176 * 'TieredStopAtLevel = CompLevel_full_optimization' (the default value). As a result, |
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1177 * the minimum number of compiler threads is 2. |
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1178 */ |
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1179 int Arguments::get_min_number_of_compiler_threads() { |
| 20804 | 1180 #if !defined(COMPILER1) && !defined(COMPILER2) && !defined(SHARK) && !defined(COMPILERGRAAL) |
|
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1181 return 0; // case 1 |
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1182 #else |
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1183 if (!TieredCompilation || (TieredStopAtLevel < CompLevel_full_optimization)) { |
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1184 return 1; // case 2 or case 3 |
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1185 } |
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1186 return 2; // case 4 (tiered) |
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1187 #endif |
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1188 } |
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1189 |
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1190 #if INCLUDE_ALL_GCS |
| 4838 | 1191 static void disable_adaptive_size_policy(const char* collector_name) { |
| 1192 if (UseAdaptiveSizePolicy) { | |
| 1193 if (FLAG_IS_CMDLINE(UseAdaptiveSizePolicy)) { | |
| 1194 warning("disabling UseAdaptiveSizePolicy; it is incompatible with %s.", | |
| 1195 collector_name); | |
| 1196 } | |
| 1197 FLAG_SET_DEFAULT(UseAdaptiveSizePolicy, false); | |
| 1198 } | |
| 1199 } | |
| 1200 | |
| 0 | 1201 void Arguments::set_parnew_gc_flags() { |
| 1064 | 1202 assert(!UseSerialGC && !UseParallelOldGC && !UseParallelGC && !UseG1GC, |
|
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1203 "control point invariant"); |
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1204 assert(UseParNewGC, "Error"); |
| 0 | 1205 |
| 4838 | 1206 // Turn off AdaptiveSizePolicy for parnew until it is complete. |
| 1207 disable_adaptive_size_policy("UseParNewGC"); | |
|
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1208 |
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1209 if (FLAG_IS_DEFAULT(ParallelGCThreads)) { |
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1210 FLAG_SET_DEFAULT(ParallelGCThreads, Abstract_VM_Version::parallel_worker_threads()); |
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1211 assert(ParallelGCThreads > 0, "We should always have at least one thread by default"); |
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1212 } else if (ParallelGCThreads == 0) { |
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1213 jio_fprintf(defaultStream::error_stream(), |
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1214 "The ParNew GC can not be combined with -XX:ParallelGCThreads=0\n"); |
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1215 vm_exit(1); |
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1216 } |
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1217 |
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1218 // By default YoungPLABSize and OldPLABSize are set to 4096 and 1024 respectively, |
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1219 // these settings are default for Parallel Scavenger. For ParNew+Tenured configuration |
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1220 // we set them to 1024 and 1024. |
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1221 // See CR 6362902. |
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1222 if (FLAG_IS_DEFAULT(YoungPLABSize)) { |
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1223 FLAG_SET_DEFAULT(YoungPLABSize, (intx)1024); |
| 0 | 1224 } |
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1225 if (FLAG_IS_DEFAULT(OldPLABSize)) { |
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1226 FLAG_SET_DEFAULT(OldPLABSize, (intx)1024); |
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1227 } |
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1228 |
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1229 // AlwaysTenure flag should make ParNew promote all at first collection. |
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1230 // See CR 6362902. |
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1231 if (AlwaysTenure) { |
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1232 FLAG_SET_CMDLINE(uintx, MaxTenuringThreshold, 0); |
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1233 } |
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1234 // When using compressed oops, we use local overflow stacks, |
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1235 // rather than using a global overflow list chained through |
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1236 // the klass word of the object's pre-image. |
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1237 if (UseCompressedOops && !ParGCUseLocalOverflow) { |
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1238 if (!FLAG_IS_DEFAULT(ParGCUseLocalOverflow)) { |
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1239 warning("Forcing +ParGCUseLocalOverflow: needed if using compressed references"); |
| 0 | 1240 } |
|
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1241 FLAG_SET_DEFAULT(ParGCUseLocalOverflow, true); |
| 0 | 1242 } |
|
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1243 assert(ParGCUseLocalOverflow || !UseCompressedOops, "Error"); |
| 0 | 1244 } |
| 1245 | |
| 1246 // Adjust some sizes to suit CMS and/or ParNew needs; these work well on | |
| 1247 // sparc/solaris for certain applications, but would gain from | |
| 1248 // further optimization and tuning efforts, and would almost | |
| 1249 // certainly gain from analysis of platform and environment. | |
| 1250 void Arguments::set_cms_and_parnew_gc_flags() { | |
| 1064 | 1251 assert(!UseSerialGC && !UseParallelOldGC && !UseParallelGC, "Error"); |
|
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1252 assert(UseConcMarkSweepGC, "CMS is expected to be on here"); |
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1253 |
| 0 | 1254 // If we are using CMS, we prefer to UseParNewGC, |
| 1255 // unless explicitly forbidden. | |
|
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1256 if (FLAG_IS_DEFAULT(UseParNewGC)) { |
|
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1257 FLAG_SET_ERGO(bool, UseParNewGC, true); |
| 0 | 1258 } |
| 1259 | |
|
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1260 // Turn off AdaptiveSizePolicy by default for cms until it is complete. |
| 4838 | 1261 disable_adaptive_size_policy("UseConcMarkSweepGC"); |
| 0 | 1262 |
| 1263 // In either case, adjust ParallelGCThreads and/or UseParNewGC | |
| 1264 // as needed. | |
|
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1265 if (UseParNewGC) { |
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1266 set_parnew_gc_flags(); |
| 0 | 1267 } |
| 1268 | |
|
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1269 size_t max_heap = align_size_down(MaxHeapSize, |
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1270 CardTableRS::ct_max_alignment_constraint()); |
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1271 |
| 0 | 1272 // Now make adjustments for CMS |
|
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1273 intx tenuring_default = (intx)6; |
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1274 size_t young_gen_per_worker = CMSYoungGenPerWorker; |
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1275 |
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1276 // Preferred young gen size for "short" pauses: |
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1277 // upper bound depends on # of threads and NewRatio. |
| 0 | 1278 const uintx parallel_gc_threads = |
| 1279 (ParallelGCThreads == 0 ? 1 : ParallelGCThreads); | |
| 1280 const size_t preferred_max_new_size_unaligned = | |
|
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1281 MIN2(max_heap/(NewRatio+1), ScaleForWordSize(young_gen_per_worker * parallel_gc_threads)); |
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1282 size_t preferred_max_new_size = |
| 0 | 1283 align_size_up(preferred_max_new_size_unaligned, os::vm_page_size()); |
| 1284 | |
| 1285 // Unless explicitly requested otherwise, size young gen | |
|
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1286 // for "short" pauses ~ CMSYoungGenPerWorker*ParallelGCThreads |
|
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1287 |
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1288 // If either MaxNewSize or NewRatio is set on the command line, |
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1289 // assume the user is trying to set the size of the young gen. |
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1290 if (FLAG_IS_DEFAULT(MaxNewSize) && FLAG_IS_DEFAULT(NewRatio)) { |
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1291 |
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1292 // Set MaxNewSize to our calculated preferred_max_new_size unless |
|
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1293 // NewSize was set on the command line and it is larger than |
|
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1294 // preferred_max_new_size. |
| 0 | 1295 if (!FLAG_IS_DEFAULT(NewSize)) { // NewSize explicitly set at command-line |
|
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1296 FLAG_SET_ERGO(uintx, MaxNewSize, MAX2(NewSize, preferred_max_new_size)); |
| 0 | 1297 } else { |
|
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1298 FLAG_SET_ERGO(uintx, MaxNewSize, preferred_max_new_size); |
| 0 | 1299 } |
| 1064 | 1300 if (PrintGCDetails && Verbose) { |
|
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1301 // Too early to use gclog_or_tty |
|
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1302 tty->print_cr("CMS ergo set MaxNewSize: " SIZE_FORMAT, MaxNewSize); |
|
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1303 } |
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1304 |
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1305 // Code along this path potentially sets NewSize and OldSize |
| 1064 | 1306 if (PrintGCDetails && Verbose) { |
|
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1307 // Too early to use gclog_or_tty |
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1308 tty->print_cr("CMS set min_heap_size: " SIZE_FORMAT |
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1309 " initial_heap_size: " SIZE_FORMAT |
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1310 " max_heap: " SIZE_FORMAT, |
| 1064 | 1311 min_heap_size(), InitialHeapSize, max_heap); |
|
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1312 } |
|
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1313 size_t min_new = preferred_max_new_size; |
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1314 if (FLAG_IS_CMDLINE(NewSize)) { |
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|
1315 min_new = NewSize; |
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1316 } |
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1317 if (max_heap > min_new && min_heap_size() > min_new) { |
| 0 | 1318 // Unless explicitly requested otherwise, make young gen |
| 1319 // at least min_new, and at most preferred_max_new_size. | |
| 1320 if (FLAG_IS_DEFAULT(NewSize)) { | |
|
13
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1321 FLAG_SET_ERGO(uintx, NewSize, MAX2(NewSize, min_new)); |
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1322 FLAG_SET_ERGO(uintx, NewSize, MIN2(preferred_max_new_size, NewSize)); |
| 1064 | 1323 if (PrintGCDetails && Verbose) { |
|
13
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1324 // Too early to use gclog_or_tty |
|
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1325 tty->print_cr("CMS ergo set NewSize: " SIZE_FORMAT, NewSize); |
|
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1326 } |
| 0 | 1327 } |
| 1328 // Unless explicitly requested otherwise, size old gen | |
|
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1329 // so it's NewRatio x of NewSize. |
| 0 | 1330 if (FLAG_IS_DEFAULT(OldSize)) { |
| 1331 if (max_heap > NewSize) { | |
|
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1332 FLAG_SET_ERGO(uintx, OldSize, MIN2(NewRatio*NewSize, max_heap - NewSize)); |
| 1064 | 1333 if (PrintGCDetails && Verbose) { |
|
13
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1334 // Too early to use gclog_or_tty |
|
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1335 tty->print_cr("CMS ergo set OldSize: " SIZE_FORMAT, OldSize); |
|
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1336 } |
| 0 | 1337 } |
| 1338 } | |
| 1339 } | |
| 1340 } | |
| 1341 // Unless explicitly requested otherwise, definitely | |
| 1342 // promote all objects surviving "tenuring_default" scavenges. | |
| 1343 if (FLAG_IS_DEFAULT(MaxTenuringThreshold) && | |
| 1344 FLAG_IS_DEFAULT(SurvivorRatio)) { | |
| 6818 | 1345 FLAG_SET_ERGO(uintx, MaxTenuringThreshold, tenuring_default); |
| 0 | 1346 } |
| 1347 // If we decided above (or user explicitly requested) | |
| 1348 // `promote all' (via MaxTenuringThreshold := 0), | |
| 1349 // prefer minuscule survivor spaces so as not to waste | |
| 1350 // space for (non-existent) survivors | |
| 1351 if (FLAG_IS_DEFAULT(SurvivorRatio) && MaxTenuringThreshold == 0) { | |
| 8035 | 1352 FLAG_SET_ERGO(uintx, SurvivorRatio, MAX2((uintx)1024, SurvivorRatio)); |
| 0 | 1353 } |
| 1354 // If OldPLABSize is set and CMSParPromoteBlocksToClaim is not, | |
| 1355 // set CMSParPromoteBlocksToClaim equal to OldPLABSize. | |
| 1356 // This is done in order to make ParNew+CMS configuration to work | |
| 1357 // with YoungPLABSize and OldPLABSize options. | |
| 1358 // See CR 6362902. | |
| 1359 if (!FLAG_IS_DEFAULT(OldPLABSize)) { | |
| 1360 if (FLAG_IS_DEFAULT(CMSParPromoteBlocksToClaim)) { | |
|
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1361 // OldPLABSize is not the default value but CMSParPromoteBlocksToClaim |
|
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1362 // is. In this situtation let CMSParPromoteBlocksToClaim follow |
|
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1363 // the value (either from the command line or ergonomics) of |
|
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1364 // OldPLABSize. Following OldPLABSize is an ergonomics decision. |
|
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1365 FLAG_SET_ERGO(uintx, CMSParPromoteBlocksToClaim, OldPLABSize); |
|
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1366 } else { |
| 0 | 1367 // OldPLABSize and CMSParPromoteBlocksToClaim are both set. |
| 1368 // CMSParPromoteBlocksToClaim is a collector-specific flag, so | |
| 1369 // we'll let it to take precedence. | |
| 1370 jio_fprintf(defaultStream::error_stream(), | |
|
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1371 "Both OldPLABSize and CMSParPromoteBlocksToClaim" |
|
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1372 " options are specified for the CMS collector." |
|
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1373 " CMSParPromoteBlocksToClaim will take precedence.\n"); |
| 0 | 1374 } |
| 1375 } | |
|
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1376 if (!FLAG_IS_DEFAULT(ResizeOldPLAB) && !ResizeOldPLAB) { |
|
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1377 // OldPLAB sizing manually turned off: Use a larger default setting, |
|
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1378 // unless it was manually specified. This is because a too-low value |
|
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1379 // will slow down scavenges. |
|
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1380 if (FLAG_IS_DEFAULT(CMSParPromoteBlocksToClaim)) { |
|
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1381 FLAG_SET_ERGO(uintx, CMSParPromoteBlocksToClaim, 50); // default value before 6631166 |
|
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|
1382 } |
|
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|
1383 } |
|
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|
1384 // Overwrite OldPLABSize which is the variable we will internally use everywhere. |
|
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|
1385 FLAG_SET_ERGO(uintx, OldPLABSize, CMSParPromoteBlocksToClaim); |
|
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1386 // If either of the static initialization defaults have changed, note this |
|
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|
1387 // modification. |
|
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1388 if (!FLAG_IS_DEFAULT(CMSParPromoteBlocksToClaim) || !FLAG_IS_DEFAULT(OldPLABWeight)) { |
|
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|
1389 CFLS_LAB::modify_initialization(OldPLABSize, OldPLABWeight); |
|
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|
1390 } |
| 1284 | 1391 if (PrintGCDetails && Verbose) { |
| 1392 tty->print_cr("MarkStackSize: %uk MarkStackSizeMax: %uk", | |
|
17937
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|
1393 (unsigned int) (MarkStackSize / K), (uint) (MarkStackSizeMax / K)); |
|
78bbf4d43a14
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|
1394 tty->print_cr("ConcGCThreads: %u", (uint) ConcGCThreads); |
| 1284 | 1395 } |
| 0 | 1396 } |
|
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1397 #endif // INCLUDE_ALL_GCS |
| 0 | 1398 |
|
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|
1399 void set_object_alignment() { |
|
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1400 // Object alignment. |
|
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|
1401 assert(is_power_of_2(ObjectAlignmentInBytes), "ObjectAlignmentInBytes must be power of 2"); |
|
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|
1402 MinObjAlignmentInBytes = ObjectAlignmentInBytes; |
|
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|
1403 assert(MinObjAlignmentInBytes >= HeapWordsPerLong * HeapWordSize, "ObjectAlignmentInBytes value is too small"); |
|
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|
1404 MinObjAlignment = MinObjAlignmentInBytes / HeapWordSize; |
|
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|
1405 assert(MinObjAlignmentInBytes == MinObjAlignment * HeapWordSize, "ObjectAlignmentInBytes value is incorrect"); |
|
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|
1406 MinObjAlignmentInBytesMask = MinObjAlignmentInBytes - 1; |
|
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1407 |
|
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|
1408 LogMinObjAlignmentInBytes = exact_log2(ObjectAlignmentInBytes); |
|
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|
1409 LogMinObjAlignment = LogMinObjAlignmentInBytes - LogHeapWordSize; |
|
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|
1410 |
|
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|
1411 // Oop encoding heap max |
|
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|
1412 OopEncodingHeapMax = (uint64_t(max_juint) + 1) << LogMinObjAlignmentInBytes; |
|
2d127394260e
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|
1413 |
|
8001
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|
1414 #if INCLUDE_ALL_GCS |
|
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|
1415 // Set CMS global values |
|
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|
1416 CompactibleFreeListSpace::set_cms_values(); |
|
8001
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|
1417 #endif // INCLUDE_ALL_GCS |
|
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|
1418 } |
|
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1419 |
|
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|
1420 bool verify_object_alignment() { |
|
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|
1421 // Object alignment. |
|
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|
1422 if (!is_power_of_2(ObjectAlignmentInBytes)) { |
|
2d127394260e
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|
1423 jio_fprintf(defaultStream::error_stream(), |
|
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|
1424 "error: ObjectAlignmentInBytes=%d must be power of 2\n", |
|
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|
1425 (int)ObjectAlignmentInBytes); |
|
1571
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1426 return false; |
|
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|
1427 } |
|
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|
1428 if ((int)ObjectAlignmentInBytes < BytesPerLong) { |
|
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|
1429 jio_fprintf(defaultStream::error_stream(), |
|
1829
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|
1430 "error: ObjectAlignmentInBytes=%d must be greater or equal %d\n", |
|
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|
1431 (int)ObjectAlignmentInBytes, BytesPerLong); |
|
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|
1432 return false; |
|
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|
1433 } |
|
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|
1434 // It does not make sense to have big object alignment |
|
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1435 // since a space lost due to alignment will be greater |
|
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|
1436 // then a saved space from compressed oops. |
|
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|
1437 if ((int)ObjectAlignmentInBytes > 256) { |
|
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|
1438 jio_fprintf(defaultStream::error_stream(), |
|
7461
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|
1439 "error: ObjectAlignmentInBytes=%d must not be greater than 256\n", |
|
1829
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|
1440 (int)ObjectAlignmentInBytes); |
|
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|
1441 return false; |
|
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|
1442 } |
|
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|
1443 // In case page size is very small. |
|
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|
1444 if ((int)ObjectAlignmentInBytes >= os::vm_page_size()) { |
|
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|
1445 jio_fprintf(defaultStream::error_stream(), |
|
7461
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|
1446 "error: ObjectAlignmentInBytes=%d must be less than page size %d\n", |
|
1829
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|
1447 (int)ObjectAlignmentInBytes, os::vm_page_size()); |
|
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1448 return false; |
|
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|
1449 } |
|
20317
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|
1450 if(SurvivorAlignmentInBytes == 0) { |
|
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|
1451 SurvivorAlignmentInBytes = ObjectAlignmentInBytes; |
|
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|
1452 } else { |
|
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|
1453 if (!is_power_of_2(SurvivorAlignmentInBytes)) { |
|
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|
1454 jio_fprintf(defaultStream::error_stream(), |
|
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|
1455 "error: SurvivorAlignmentInBytes=%d must be power of 2\n", |
|
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|
1456 (int)SurvivorAlignmentInBytes); |
|
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|
1457 return false; |
|
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|
1458 } |
|
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|
1459 if (SurvivorAlignmentInBytes < ObjectAlignmentInBytes) { |
|
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|
1460 jio_fprintf(defaultStream::error_stream(), |
|
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changeset
|
1461 "error: SurvivorAlignmentInBytes=%d must be greater than ObjectAlignmentInBytes=%d \n", |
|
ee019285a52c
8031323: Optionally align objects copied to survivor spaces
jmasa
parents:
20294
diff
changeset
|
1462 (int)SurvivorAlignmentInBytes, (int)ObjectAlignmentInBytes); |
|
ee019285a52c
8031323: Optionally align objects copied to survivor spaces
jmasa
parents:
20294
diff
changeset
|
1463 return false; |
|
ee019285a52c
8031323: Optionally align objects copied to survivor spaces
jmasa
parents:
20294
diff
changeset
|
1464 } |
|
ee019285a52c
8031323: Optionally align objects copied to survivor spaces
jmasa
parents:
20294
diff
changeset
|
1465 } |
|
1571
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
1466 return true; |
|
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
1467 } |
|
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
1468 |
|
20220
d15367d92f0d
8043723: max_heap_for_compressed_oops() declared with size_t, but defined with uintx
tschatzl
parents:
17937
diff
changeset
|
1469 size_t Arguments::max_heap_for_compressed_oops() { |
| 1963 | 1470 // Avoid sign flip. |
|
12056
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1471 assert(OopEncodingHeapMax > (uint64_t)os::vm_page_size(), "Unusual page size"); |
|
12233
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
1472 // We need to fit both the NULL page and the heap into the memory budget, while |
|
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
1473 // keeping alignment constraints of the heap. To guarantee the latter, as the |
|
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
1474 // NULL page is located before the heap, we pad the NULL page to the conservative |
|
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
1475 // maximum alignment that the GC may ever impose upon the heap. |
|
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
1476 size_t displacement_due_to_null_page = align_size_up_(os::vm_page_size(), |
|
13059
46d7652b223c
8026853: Prepare GC code for collector policy regression fix
jwilhelm
parents:
13008
diff
changeset
|
1477 _conservative_max_heap_alignment); |
|
12233
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
1478 |
|
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
1479 LP64_ONLY(return OopEncodingHeapMax - displacement_due_to_null_page); |
| 1064 | 1480 NOT_LP64(ShouldNotReachHere(); return 0); |
|
135
b7268662a986
6689523: max heap calculation for compressed oops is off by MaxPermSize
coleenp
parents:
113
diff
changeset
|
1481 } |
|
b7268662a986
6689523: max heap calculation for compressed oops is off by MaxPermSize
coleenp
parents:
113
diff
changeset
|
1482 |
| 0 | 1483 bool Arguments::should_auto_select_low_pause_collector() { |
| 1484 if (UseAutoGCSelectPolicy && | |
| 1485 !FLAG_IS_DEFAULT(MaxGCPauseMillis) && | |
| 1486 (MaxGCPauseMillis <= AutoGCSelectPauseMillis)) { | |
| 1487 if (PrintGCDetails) { | |
| 1488 // Cannot use gclog_or_tty yet. | |
| 1489 tty->print_cr("Automatic selection of the low pause collector" | |
|
17937
78bbf4d43a14
8037816: Fix for 8036122 breaks build with Xcode5/clang
drchase
parents:
17906
diff
changeset
|
1490 " based on pause goal of %d (ms)", (int) MaxGCPauseMillis); |
| 0 | 1491 } |
| 1492 return true; | |
| 1493 } | |
| 1494 return false; | |
| 1495 } | |
| 1496 | |
|
8741
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1497 void Arguments::set_use_compressed_oops() { |
|
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1498 #ifndef ZERO |
|
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1499 #ifdef _LP64 |
|
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1500 // MaxHeapSize is not set up properly at this point, but |
|
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1501 // the only value that can override MaxHeapSize if we are |
|
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1502 // to use UseCompressedOops is InitialHeapSize. |
|
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1503 size_t max_heap_size = MAX2(MaxHeapSize, InitialHeapSize); |
|
17179
6d8ae4c6725f
[SPARC] UseCompressedOops defaulting to false on SPARC && GRAAL
Stefan Anzinger <stefan.anzinger@oracle.com>
parents:
16623
diff
changeset
|
1504 // Set default on graal with sparc to not use compressed oops as long they are not implemented |
|
6d8ae4c6725f
[SPARC] UseCompressedOops defaulting to false on SPARC && GRAAL
Stefan Anzinger <stefan.anzinger@oracle.com>
parents:
16623
diff
changeset
|
1505 #if defined(GRAAL) && defined(TARGET_ARCH_sparc) |
|
6d8ae4c6725f
[SPARC] UseCompressedOops defaulting to false on SPARC && GRAAL
Stefan Anzinger <stefan.anzinger@oracle.com>
parents:
16623
diff
changeset
|
1506 FLAG_SET_DEFAULT(UseCompressedOops, false); |
|
6d8ae4c6725f
[SPARC] UseCompressedOops defaulting to false on SPARC && GRAAL
Stefan Anzinger <stefan.anzinger@oracle.com>
parents:
16623
diff
changeset
|
1507 #else // if !(GRAAL && SOLARIS) |
|
8741
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1508 if (max_heap_size <= max_heap_for_compressed_oops()) { |
|
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1509 #if !defined(COMPILER1) || defined(TIERED) |
|
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1510 if (FLAG_IS_DEFAULT(UseCompressedOops)) { |
|
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1511 FLAG_SET_ERGO(bool, UseCompressedOops, true); |
|
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1512 } |
|
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1513 #endif |
|
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1514 #ifdef _WIN64 |
|
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1515 if (UseLargePages && UseCompressedOops) { |
|
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1516 // Cannot allocate guard pages for implicit checks in indexed addressing |
|
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1517 // mode, when large pages are specified on windows. |
|
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1518 // This flag could be switched ON if narrow oop base address is set to 0, |
|
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1519 // see code in Universe::initialize_heap(). |
|
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1520 Universe::set_narrow_oop_use_implicit_null_checks(false); |
|
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1521 } |
|
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1522 #endif // _WIN64 |
|
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1523 } else { |
|
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1524 if (UseCompressedOops && !FLAG_IS_DEFAULT(UseCompressedOops)) { |
|
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1525 warning("Max heap size too large for Compressed Oops"); |
|
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1526 FLAG_SET_DEFAULT(UseCompressedOops, false); |
|
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
1527 FLAG_SET_DEFAULT(UseCompressedClassPointers, false); |
|
8741
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1528 } |
|
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1529 } |
|
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1530 #endif // _LP64 |
|
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1531 #endif // ZERO |
|
17179
6d8ae4c6725f
[SPARC] UseCompressedOops defaulting to false on SPARC && GRAAL
Stefan Anzinger <stefan.anzinger@oracle.com>
parents:
16623
diff
changeset
|
1532 #endif // !(GRAAL && SOLARIS) |
|
8741
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1533 } |
|
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1534 |
|
12056
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1535 |
|
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1536 // NOTE: set_use_compressed_klass_ptrs() must be called after calling |
|
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1537 // set_use_compressed_oops(). |
|
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1538 void Arguments::set_use_compressed_klass_ptrs() { |
|
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1539 #ifndef ZERO |
|
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1540 #ifdef _LP64 |
|
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
1541 // UseCompressedOops must be on for UseCompressedClassPointers to be on. |
|
12056
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1542 if (!UseCompressedOops) { |
|
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
1543 if (UseCompressedClassPointers) { |
|
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
1544 warning("UseCompressedClassPointers requires UseCompressedOops"); |
|
12056
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1545 } |
|
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
1546 FLAG_SET_DEFAULT(UseCompressedClassPointers, false); |
|
12056
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1547 } else { |
|
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
1548 // Turn on UseCompressedClassPointers too |
|
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
1549 if (FLAG_IS_DEFAULT(UseCompressedClassPointers)) { |
|
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
1550 FLAG_SET_ERGO(bool, UseCompressedClassPointers, true); |
|
12056
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1551 } |
|
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
1552 // Check the CompressedClassSpaceSize to make sure we use compressed klass ptrs. |
|
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
1553 if (UseCompressedClassPointers) { |
|
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
1554 if (CompressedClassSpaceSize > KlassEncodingMetaspaceMax) { |
|
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
1555 warning("CompressedClassSpaceSize is too large for UseCompressedClassPointers"); |
|
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
1556 FLAG_SET_DEFAULT(UseCompressedClassPointers, false); |
|
12056
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1557 } |
|
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1558 } |
|
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1559 } |
|
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1560 #endif // _LP64 |
|
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1561 #endif // !ZERO |
|
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1562 } |
|
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1563 |
|
12233
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
1564 void Arguments::set_conservative_max_heap_alignment() { |
|
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
1565 // The conservative maximum required alignment for the heap is the maximum of |
|
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
1566 // the alignments imposed by several sources: any requirements from the heap |
|
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
1567 // itself, the collector policy and the maximum page size we may run the VM |
|
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
1568 // with. |
|
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
1569 size_t heap_alignment = GenCollectedHeap::conservative_max_heap_alignment(); |
|
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
1570 #if INCLUDE_ALL_GCS |
|
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
1571 if (UseParallelGC) { |
|
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
1572 heap_alignment = ParallelScavengeHeap::conservative_max_heap_alignment(); |
|
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
1573 } else if (UseG1GC) { |
|
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
1574 heap_alignment = G1CollectedHeap::conservative_max_heap_alignment(); |
|
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
1575 } |
|
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
1576 #endif // INCLUDE_ALL_GCS |
|
20294
dd219eaec9cc
8048088: Conservative maximum heap alignment should take vm_allocation_granularity into account
tschatzl
parents:
20241
diff
changeset
|
1577 _conservative_max_heap_alignment = MAX4(heap_alignment, |
|
dd219eaec9cc
8048088: Conservative maximum heap alignment should take vm_allocation_granularity into account
tschatzl
parents:
20241
diff
changeset
|
1578 (size_t)os::vm_allocation_granularity(), |
|
dd219eaec9cc
8048088: Conservative maximum heap alignment should take vm_allocation_granularity into account
tschatzl
parents:
20241
diff
changeset
|
1579 os::max_page_size(), |
|
dd219eaec9cc
8048088: Conservative maximum heap alignment should take vm_allocation_granularity into account
tschatzl
parents:
20241
diff
changeset
|
1580 CollectorPolicy::compute_heap_alignment()); |
|
12233
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
1581 } |
|
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
1582 |
|
20403
8ec8971f511a
8057531: refactor gc argument processing code slightly
jcoomes
parents:
20395
diff
changeset
|
1583 void Arguments::select_gc_ergonomically() { |
| 4946 | 1584 if (os::is_server_class_machine()) { |
|
20403
8ec8971f511a
8057531: refactor gc argument processing code slightly
jcoomes
parents:
20395
diff
changeset
|
1585 if (should_auto_select_low_pause_collector()) { |
|
8ec8971f511a
8057531: refactor gc argument processing code slightly
jcoomes
parents:
20395
diff
changeset
|
1586 FLAG_SET_ERGO(bool, UseConcMarkSweepGC, true); |
|
8ec8971f511a
8057531: refactor gc argument processing code slightly
jcoomes
parents:
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|
1587 } else { |
|
8ec8971f511a
8057531: refactor gc argument processing code slightly
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diff
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|
1588 FLAG_SET_ERGO(bool, UseParallelGC, true); |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
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|
1589 } |
| 0 | 1590 } |
|
20403
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8057531: refactor gc argument processing code slightly
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diff
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|
1591 } |
|
8ec8971f511a
8057531: refactor gc argument processing code slightly
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parents:
20395
diff
changeset
|
1592 |
|
8ec8971f511a
8057531: refactor gc argument processing code slightly
jcoomes
parents:
20395
diff
changeset
|
1593 void Arguments::select_gc() { |
|
8ec8971f511a
8057531: refactor gc argument processing code slightly
jcoomes
parents:
20395
diff
changeset
|
1594 if (!gc_selected()) { |
|
20408
76af788b6c16
8057623: add an extension class for argument handling
jcoomes
parents:
20403
diff
changeset
|
1595 ArgumentsExt::select_gc_ergonomically(); |
|
20403
8ec8971f511a
8057531: refactor gc argument processing code slightly
jcoomes
parents:
20395
diff
changeset
|
1596 } |
|
8ec8971f511a
8057531: refactor gc argument processing code slightly
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parents:
20395
diff
changeset
|
1597 } |
|
8ec8971f511a
8057531: refactor gc argument processing code slightly
jcoomes
parents:
20395
diff
changeset
|
1598 |
|
8ec8971f511a
8057531: refactor gc argument processing code slightly
jcoomes
parents:
20395
diff
changeset
|
1599 void Arguments::set_ergonomics_flags() { |
|
8ec8971f511a
8057531: refactor gc argument processing code slightly
jcoomes
parents:
20395
diff
changeset
|
1600 select_gc(); |
|
8ec8971f511a
8057531: refactor gc argument processing code slightly
jcoomes
parents:
20395
diff
changeset
|
1601 |
| 12355 | 1602 #if defined(COMPILER2) || defined(GRAAL) |
|
12280
9ed97b511b26
8024517: runtime/CDSCompressedKPtrs/XShareAuto.java failed with RuntimeException
hseigel
parents:
12276
diff
changeset
|
1603 // Shared spaces work fine with other GCs but causes bytecode rewriting |
|
9ed97b511b26
8024517: runtime/CDSCompressedKPtrs/XShareAuto.java failed with RuntimeException
hseigel
parents:
12276
diff
changeset
|
1604 // to be disabled, which hurts interpreter performance and decreases |
|
9ed97b511b26
8024517: runtime/CDSCompressedKPtrs/XShareAuto.java failed with RuntimeException
hseigel
parents:
12276
diff
changeset
|
1605 // server performance. When -server is specified, keep the default off |
|
9ed97b511b26
8024517: runtime/CDSCompressedKPtrs/XShareAuto.java failed with RuntimeException
hseigel
parents:
12276
diff
changeset
|
1606 // unless it is asked for. Future work: either add bytecode rewriting |
|
9ed97b511b26
8024517: runtime/CDSCompressedKPtrs/XShareAuto.java failed with RuntimeException
hseigel
parents:
12276
diff
changeset
|
1607 // at link time, or rewrite bytecodes in non-shared methods. |
|
9ed97b511b26
8024517: runtime/CDSCompressedKPtrs/XShareAuto.java failed with RuntimeException
hseigel
parents:
12276
diff
changeset
|
1608 if (!DumpSharedSpaces && !RequireSharedSpaces && |
|
9ed97b511b26
8024517: runtime/CDSCompressedKPtrs/XShareAuto.java failed with RuntimeException
hseigel
parents:
12276
diff
changeset
|
1609 (FLAG_IS_DEFAULT(UseSharedSpaces) || !UseSharedSpaces)) { |
|
20375
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
1610 no_shared_spaces("COMPILER2 default: -Xshare:auto | off, have to manually setup to on."); |
|
12280
9ed97b511b26
8024517: runtime/CDSCompressedKPtrs/XShareAuto.java failed with RuntimeException
hseigel
parents:
12276
diff
changeset
|
1611 } |
|
9ed97b511b26
8024517: runtime/CDSCompressedKPtrs/XShareAuto.java failed with RuntimeException
hseigel
parents:
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diff
changeset
|
1612 #endif |
|
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
76
diff
changeset
|
1613 |
|
12233
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
1614 set_conservative_max_heap_alignment(); |
|
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
1615 |
| 1010 | 1616 #ifndef ZERO |
|
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
76
diff
changeset
|
1617 #ifdef _LP64 |
|
8741
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1618 set_use_compressed_oops(); |
|
12056
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1619 |
|
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1620 // set_use_compressed_klass_ptrs() must be called after calling |
|
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1621 // set_use_compressed_oops(). |
|
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1622 set_use_compressed_klass_ptrs(); |
|
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1623 |
|
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
76
diff
changeset
|
1624 // Also checks that certain machines are slower with compressed oops |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
76
diff
changeset
|
1625 // in vm_version initialization code. |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
76
diff
changeset
|
1626 #endif // _LP64 |
| 1010 | 1627 #endif // !ZERO |
| 0 | 1628 } |
| 1629 | |
| 1630 void Arguments::set_parallel_gc_flags() { | |
|
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
1631 assert(UseParallelGC || UseParallelOldGC, "Error"); |
| 4879 | 1632 // Enable ParallelOld unless it was explicitly disabled (cmd line or rc file). |
| 1633 if (FLAG_IS_DEFAULT(UseParallelOldGC)) { | |
| 1634 FLAG_SET_DEFAULT(UseParallelOldGC, true); | |
| 0 | 1635 } |
| 4879 | 1636 FLAG_SET_DEFAULT(UseParallelGC, true); |
| 0 | 1637 |
| 1638 // If no heap maximum was requested explicitly, use some reasonable fraction | |
| 1639 // of the physical memory, up to a maximum of 1GB. | |
|
7471
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1640 FLAG_SET_DEFAULT(ParallelGCThreads, |
|
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1641 Abstract_VM_Version::parallel_worker_threads()); |
|
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1642 if (ParallelGCThreads == 0) { |
|
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1643 jio_fprintf(defaultStream::error_stream(), |
|
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1644 "The Parallel GC can not be combined with -XX:ParallelGCThreads=0\n"); |
|
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1645 vm_exit(1); |
|
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1646 } |
|
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1647 |
|
17648
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14260
diff
changeset
|
1648 if (UseAdaptiveSizePolicy) { |
|
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14260
diff
changeset
|
1649 // We don't want to limit adaptive heap sizing's freedom to adjust the heap |
|
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14260
diff
changeset
|
1650 // unless the user actually sets these flags. |
|
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14260
diff
changeset
|
1651 if (FLAG_IS_DEFAULT(MinHeapFreeRatio)) { |
|
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14260
diff
changeset
|
1652 FLAG_SET_DEFAULT(MinHeapFreeRatio, 0); |
|
20345
f933a15469d4
8055006: Store original value of Min/MaxHeapFreeRatio
jwilhelm
parents:
20317
diff
changeset
|
1653 _min_heap_free_ratio = MinHeapFreeRatio; |
|
17648
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14260
diff
changeset
|
1654 } |
|
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14260
diff
changeset
|
1655 if (FLAG_IS_DEFAULT(MaxHeapFreeRatio)) { |
|
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14260
diff
changeset
|
1656 FLAG_SET_DEFAULT(MaxHeapFreeRatio, 100); |
|
20345
f933a15469d4
8055006: Store original value of Min/MaxHeapFreeRatio
jwilhelm
parents:
20317
diff
changeset
|
1657 _max_heap_free_ratio = MaxHeapFreeRatio; |
|
17648
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14260
diff
changeset
|
1658 } |
|
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14260
diff
changeset
|
1659 } |
|
7471
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1660 |
|
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1661 // If InitialSurvivorRatio or MinSurvivorRatio were not specified, but the |
|
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1662 // SurvivorRatio has been set, reset their default values to SurvivorRatio + |
|
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1663 // 2. By doing this we make SurvivorRatio also work for Parallel Scavenger. |
|
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1664 // See CR 6362902 for details. |
|
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1665 if (!FLAG_IS_DEFAULT(SurvivorRatio)) { |
|
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1666 if (FLAG_IS_DEFAULT(InitialSurvivorRatio)) { |
|
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1667 FLAG_SET_DEFAULT(InitialSurvivorRatio, SurvivorRatio + 2); |
| 0 | 1668 } |
|
7471
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1669 if (FLAG_IS_DEFAULT(MinSurvivorRatio)) { |
|
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1670 FLAG_SET_DEFAULT(MinSurvivorRatio, SurvivorRatio + 2); |
|
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1671 } |
|
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1672 } |
|
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1673 |
|
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1674 if (UseParallelOldGC) { |
|
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1675 // Par compact uses lower default values since they are treated as |
|
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1676 // minimums. These are different defaults because of the different |
|
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1677 // interpretation and are not ergonomically set. |
|
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1678 if (FLAG_IS_DEFAULT(MarkSweepDeadRatio)) { |
|
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1679 FLAG_SET_DEFAULT(MarkSweepDeadRatio, 1); |
| 0 | 1680 } |
| 1681 } | |
| 1682 } | |
| 1683 | |
|
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
1684 void Arguments::set_g1_gc_flags() { |
|
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
1685 assert(UseG1GC, "Error"); |
|
7125
1baf7f1e3f23
decoupled C++ Graal runtime from C1
Doug Simon <doug.simon@oracle.com>
parents:
7066
diff
changeset
|
1686 #if defined(COMPILER1) || defined(GRAAL) |
|
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
1687 FastTLABRefill = false; |
|
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
1688 #endif |
|
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
1689 FLAG_SET_DEFAULT(ParallelGCThreads, |
|
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
1690 Abstract_VM_Version::parallel_worker_threads()); |
|
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
1691 if (ParallelGCThreads == 0) { |
|
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
1692 FLAG_SET_DEFAULT(ParallelGCThreads, |
| 751 | 1693 Abstract_VM_Version::parallel_worker_threads()); |
|
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
1694 } |
| 751 | 1695 |
|
20505
8ba0078861d4
8047976: Ergonomics for GC thread counts should update the flags
jwilhelm
parents:
20408
diff
changeset
|
1696 #if INCLUDE_ALL_GCS |
|
8ba0078861d4
8047976: Ergonomics for GC thread counts should update the flags
jwilhelm
parents:
20408
diff
changeset
|
1697 if (G1ConcRefinementThreads == 0) { |
|
8ba0078861d4
8047976: Ergonomics for GC thread counts should update the flags
jwilhelm
parents:
20408
diff
changeset
|
1698 FLAG_SET_DEFAULT(G1ConcRefinementThreads, ParallelGCThreads); |
|
8ba0078861d4
8047976: Ergonomics for GC thread counts should update the flags
jwilhelm
parents:
20408
diff
changeset
|
1699 } |
|
8ba0078861d4
8047976: Ergonomics for GC thread counts should update the flags
jwilhelm
parents:
20408
diff
changeset
|
1700 #endif |
|
8ba0078861d4
8047976: Ergonomics for GC thread counts should update the flags
jwilhelm
parents:
20408
diff
changeset
|
1701 |
|
7397
442f942757c0
8000244: G1: Ergonomically set MarkStackSize and use virtual space for global marking stack
johnc
parents:
7177
diff
changeset
|
1702 // MarkStackSize will be set (if it hasn't been set by the user) |
|
442f942757c0
8000244: G1: Ergonomically set MarkStackSize and use virtual space for global marking stack
johnc
parents:
7177
diff
changeset
|
1703 // when concurrent marking is initialized. |
|
442f942757c0
8000244: G1: Ergonomically set MarkStackSize and use virtual space for global marking stack
johnc
parents:
7177
diff
changeset
|
1704 // Its value will be based upon the number of parallel marking threads. |
|
442f942757c0
8000244: G1: Ergonomically set MarkStackSize and use virtual space for global marking stack
johnc
parents:
7177
diff
changeset
|
1705 // But we do set the maximum mark stack size here. |
|
442f942757c0
8000244: G1: Ergonomically set MarkStackSize and use virtual space for global marking stack
johnc
parents:
7177
diff
changeset
|
1706 if (FLAG_IS_DEFAULT(MarkStackSizeMax)) { |
|
442f942757c0
8000244: G1: Ergonomically set MarkStackSize and use virtual space for global marking stack
johnc
parents:
7177
diff
changeset
|
1707 FLAG_SET_DEFAULT(MarkStackSizeMax, 128 * TASKQUEUE_SIZE); |
| 1284 | 1708 } |
| 1356 | 1709 |
| 1710 if (FLAG_IS_DEFAULT(GCTimeRatio) || GCTimeRatio == 0) { | |
| 1711 // In G1, we want the default GC overhead goal to be higher than | |
| 1712 // say in PS. So we set it here to 10%. Otherwise the heap might | |
| 1713 // be expanded more aggressively than we would like it to. In | |
| 1714 // fact, even 10% seems to not be high enough in some cases | |
| 1715 // (especially small GC stress tests that the main thing they do | |
| 1716 // is allocation). We might consider increase it further. | |
| 1717 FLAG_SET_DEFAULT(GCTimeRatio, 9); | |
| 1718 } | |
|
7397
442f942757c0
8000244: G1: Ergonomically set MarkStackSize and use virtual space for global marking stack
johnc
parents:
7177
diff
changeset
|
1719 |
|
442f942757c0
8000244: G1: Ergonomically set MarkStackSize and use virtual space for global marking stack
johnc
parents:
7177
diff
changeset
|
1720 if (PrintGCDetails && Verbose) { |
|
442f942757c0
8000244: G1: Ergonomically set MarkStackSize and use virtual space for global marking stack
johnc
parents:
7177
diff
changeset
|
1721 tty->print_cr("MarkStackSize: %uk MarkStackSizeMax: %uk", |
|
17937
78bbf4d43a14
8037816: Fix for 8036122 breaks build with Xcode5/clang
drchase
parents:
17906
diff
changeset
|
1722 (unsigned int) (MarkStackSize / K), (uint) (MarkStackSizeMax / K)); |
|
78bbf4d43a14
8037816: Fix for 8036122 breaks build with Xcode5/clang
drchase
parents:
17906
diff
changeset
|
1723 tty->print_cr("ConcGCThreads: %u", (uint) ConcGCThreads); |
|
7397
442f942757c0
8000244: G1: Ergonomically set MarkStackSize and use virtual space for global marking stack
johnc
parents:
7177
diff
changeset
|
1724 } |
|
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
1725 } |
|
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
1726 |
|
20403
8ec8971f511a
8057531: refactor gc argument processing code slightly
jcoomes
parents:
20395
diff
changeset
|
1727 #if !INCLUDE_ALL_GCS |
|
8ec8971f511a
8057531: refactor gc argument processing code slightly
jcoomes
parents:
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1728 #ifdef ASSERT |
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1729 static bool verify_serial_gc_flags() { |
|
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1730 return (UseSerialGC && |
|
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1731 !(UseParNewGC || (UseConcMarkSweepGC || CMSIncrementalMode) || UseG1GC || |
|
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1732 UseParallelGC || UseParallelOldGC)); |
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1733 } |
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1734 #endif // ASSERT |
|
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1735 #endif // INCLUDE_ALL_GCS |
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1736 |
|
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1737 void Arguments::set_gc_specific_flags() { |
|
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1738 #if INCLUDE_ALL_GCS |
|
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1739 // Set per-collector flags |
|
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1740 if (UseParallelGC || UseParallelOldGC) { |
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1741 set_parallel_gc_flags(); |
|
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1742 } else if (UseConcMarkSweepGC) { // Should be done before ParNew check below |
|
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1743 set_cms_and_parnew_gc_flags(); |
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1744 } else if (UseParNewGC) { // Skipped if CMS is set above |
|
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1745 set_parnew_gc_flags(); |
|
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1746 } else if (UseG1GC) { |
|
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|
1747 set_g1_gc_flags(); |
|
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|
1748 } |
|
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|
1749 check_deprecated_gcs(); |
|
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1750 check_deprecated_gc_flags(); |
|
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1751 if (AssumeMP && !UseSerialGC) { |
|
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1752 if (FLAG_IS_DEFAULT(ParallelGCThreads) && ParallelGCThreads == 1) { |
|
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1753 warning("If the number of processors is expected to increase from one, then" |
|
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1754 " you should configure the number of parallel GC threads appropriately" |
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1755 " using -XX:ParallelGCThreads=N"); |
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1756 } |
|
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1757 } |
|
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1758 if (MinHeapFreeRatio == 100) { |
|
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1759 // Keeping the heap 100% free is hard ;-) so limit it to 99%. |
|
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1760 FLAG_SET_ERGO(uintx, MinHeapFreeRatio, 99); |
|
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1761 } |
|
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1762 #else // INCLUDE_ALL_GCS |
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1763 assert(verify_serial_gc_flags(), "SerialGC unset"); |
|
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1764 #endif // INCLUDE_ALL_GCS |
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1765 } |
|
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|
1766 |
|
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1767 julong Arguments::limit_by_allocatable_memory(julong limit) { |
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1768 julong max_allocatable; |
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1769 julong result = limit; |
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1770 if (os::has_allocatable_memory_limit(&max_allocatable)) { |
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1771 result = MIN2(result, max_allocatable / MaxVirtMemFraction); |
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1772 } |
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1773 return result; |
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1774 } |
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1775 |
| 1064 | 1776 void Arguments::set_heap_size() { |
| 1777 if (!FLAG_IS_DEFAULT(DefaultMaxRAMFraction)) { | |
| 1778 // Deprecated flag | |
| 1779 FLAG_SET_CMDLINE(uintx, MaxRAMFraction, DefaultMaxRAMFraction); | |
| 1780 } | |
| 1781 | |
| 1782 const julong phys_mem = | |
| 1783 FLAG_IS_DEFAULT(MaxRAM) ? MIN2(os::physical_memory(), (julong)MaxRAM) | |
| 1784 : (julong)MaxRAM; | |
| 1785 | |
| 1786 // If the maximum heap size has not been set with -Xmx, | |
| 1787 // then set it as fraction of the size of physical memory, | |
| 1788 // respecting the maximum and minimum sizes of the heap. | |
|
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1789 if (FLAG_IS_DEFAULT(MaxHeapSize)) { |
| 1064 | 1790 julong reasonable_max = phys_mem / MaxRAMFraction; |
| 1791 | |
| 1792 if (phys_mem <= MaxHeapSize * MinRAMFraction) { | |
| 1793 // Small physical memory, so use a minimum fraction of it for the heap | |
| 1794 reasonable_max = phys_mem / MinRAMFraction; | |
| 1795 } else { | |
| 1796 // Not-small physical memory, so require a heap at least | |
| 1797 // as large as MaxHeapSize | |
| 1798 reasonable_max = MAX2(reasonable_max, (julong)MaxHeapSize); | |
| 1799 } | |
| 1800 if (!FLAG_IS_DEFAULT(ErgoHeapSizeLimit) && ErgoHeapSizeLimit != 0) { | |
| 1801 // Limit the heap size to ErgoHeapSizeLimit | |
| 1802 reasonable_max = MIN2(reasonable_max, (julong)ErgoHeapSizeLimit); | |
|
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1803 } |
| 1064 | 1804 if (UseCompressedOops) { |
| 1805 // Limit the heap size to the maximum possible when using compressed oops | |
| 1963 | 1806 julong max_coop_heap = (julong)max_heap_for_compressed_oops(); |
| 1807 if (HeapBaseMinAddress + MaxHeapSize < max_coop_heap) { | |
| 1808 // Heap should be above HeapBaseMinAddress to get zero based compressed oops | |
| 1809 // but it should be not less than default MaxHeapSize. | |
| 1810 max_coop_heap -= HeapBaseMinAddress; | |
| 1811 } | |
| 1812 reasonable_max = MIN2(reasonable_max, max_coop_heap); | |
| 1064 | 1813 } |
|
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1814 reasonable_max = limit_by_allocatable_memory(reasonable_max); |
| 1064 | 1815 |
| 1816 if (!FLAG_IS_DEFAULT(InitialHeapSize)) { | |
| 1817 // An initial heap size was specified on the command line, | |
| 1818 // so be sure that the maximum size is consistent. Done | |
|
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1819 // after call to limit_by_allocatable_memory because that |
| 1064 | 1820 // method might reduce the allocation size. |
| 1821 reasonable_max = MAX2(reasonable_max, (julong)InitialHeapSize); | |
| 1822 } | |
| 1823 | |
|
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1824 if (PrintGCDetails && Verbose) { |
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1825 // Cannot use gclog_or_tty yet. |
|
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1826 tty->print_cr(" Maximum heap size " SIZE_FORMAT, (size_t) reasonable_max); |
|
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1827 } |
| 1064 | 1828 FLAG_SET_ERGO(uintx, MaxHeapSize, (uintx)reasonable_max); |
| 1829 } | |
| 1830 | |
|
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1831 // If the minimum or initial heap_size have not been set or requested to be set |
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1832 // ergonomically, set them accordingly. |
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1833 if (InitialHeapSize == 0 || min_heap_size() == 0) { |
|
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1834 julong reasonable_minimum = (julong)(OldSize + NewSize); |
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1835 |
|
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1836 reasonable_minimum = MIN2(reasonable_minimum, (julong)MaxHeapSize); |
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1837 |
|
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1838 reasonable_minimum = limit_by_allocatable_memory(reasonable_minimum); |
|
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1839 |
|
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1840 if (InitialHeapSize == 0) { |
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1841 julong reasonable_initial = phys_mem / InitialRAMFraction; |
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1842 |
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1843 reasonable_initial = MAX3(reasonable_initial, reasonable_minimum, (julong)min_heap_size()); |
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1844 reasonable_initial = MIN2(reasonable_initial, (julong)MaxHeapSize); |
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1845 |
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1846 reasonable_initial = limit_by_allocatable_memory(reasonable_initial); |
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1847 |
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1848 if (PrintGCDetails && Verbose) { |
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1849 // Cannot use gclog_or_tty yet. |
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1850 tty->print_cr(" Initial heap size " SIZE_FORMAT, (uintx)reasonable_initial); |
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1851 } |
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1852 FLAG_SET_ERGO(uintx, InitialHeapSize, (uintx)reasonable_initial); |
|
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1853 } |
|
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1854 // If the minimum heap size has not been set (via -Xms), |
|
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1855 // synchronize with InitialHeapSize to avoid errors with the default value. |
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1856 if (min_heap_size() == 0) { |
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|
1857 set_min_heap_size(MIN2((uintx)reasonable_minimum, InitialHeapSize)); |
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1858 if (PrintGCDetails && Verbose) { |
|
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1859 // Cannot use gclog_or_tty yet. |
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1860 tty->print_cr(" Minimum heap size " SIZE_FORMAT, min_heap_size()); |
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|
1861 } |
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1862 } |
|
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1863 } |
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1864 } |
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1865 |
| 0 | 1866 // This must be called after ergonomics because we want bytecode rewriting |
| 1867 // if the server compiler is used, or if UseSharedSpaces is disabled. | |
| 1868 void Arguments::set_bytecode_flags() { | |
| 1869 // Better not attempt to store into a read-only space. | |
| 1870 if (UseSharedSpaces) { | |
| 1871 FLAG_SET_DEFAULT(RewriteBytecodes, false); | |
| 1872 FLAG_SET_DEFAULT(RewriteFrequentPairs, false); | |
| 1873 } | |
| 1874 | |
| 1875 if (!RewriteBytecodes) { | |
| 1876 FLAG_SET_DEFAULT(RewriteFrequentPairs, false); | |
| 1877 } | |
| 1878 } | |
| 1879 | |
| 1880 // Aggressive optimization flags -XX:+AggressiveOpts | |
| 1881 void Arguments::set_aggressive_opts_flags() { | |
|
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|
1882 #ifdef COMPILER2 |
| 10278 | 1883 if (AggressiveUnboxing) { |
| 1884 if (FLAG_IS_DEFAULT(EliminateAutoBox)) { | |
| 1885 FLAG_SET_DEFAULT(EliminateAutoBox, true); | |
| 1886 } else if (!EliminateAutoBox) { | |
| 1887 // warning("AggressiveUnboxing is disabled because EliminateAutoBox is disabled"); | |
| 1888 AggressiveUnboxing = false; | |
| 1889 } | |
| 1890 if (FLAG_IS_DEFAULT(DoEscapeAnalysis)) { | |
| 1891 FLAG_SET_DEFAULT(DoEscapeAnalysis, true); | |
| 1892 } else if (!DoEscapeAnalysis) { | |
| 1893 // warning("AggressiveUnboxing is disabled because DoEscapeAnalysis is disabled"); | |
| 1894 AggressiveUnboxing = false; | |
| 1895 } | |
| 1896 } | |
|
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1897 if (AggressiveOpts || !FLAG_IS_DEFAULT(AutoBoxCacheMax)) { |
|
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|
1898 if (FLAG_IS_DEFAULT(EliminateAutoBox)) { |
|
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|
1899 FLAG_SET_DEFAULT(EliminateAutoBox, true); |
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1900 } |
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1901 if (FLAG_IS_DEFAULT(AutoBoxCacheMax)) { |
|
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|
1902 FLAG_SET_DEFAULT(AutoBoxCacheMax, 20000); |
|
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|
1903 } |
|
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|
1904 |
|
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|
1905 // Feed the cache size setting into the JDK |
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1906 char buffer[1024]; |
|
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1907 sprintf(buffer, "java.lang.Integer.IntegerCache.high=" INTX_FORMAT, AutoBoxCacheMax); |
|
17
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1908 add_property(buffer); |
|
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|
1909 } |
|
416
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|
1910 if (AggressiveOpts && FLAG_IS_DEFAULT(BiasedLockingStartupDelay)) { |
|
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1911 FLAG_SET_DEFAULT(BiasedLockingStartupDelay, 500); |
|
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1912 } |
|
17
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1913 #endif |
|
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1914 |
| 0 | 1915 if (AggressiveOpts) { |
| 61 | 1916 // Sample flag setting code |
| 1917 // if (FLAG_IS_DEFAULT(EliminateZeroing)) { | |
| 1918 // FLAG_SET_DEFAULT(EliminateZeroing, true); | |
| 1919 // } | |
| 0 | 1920 } |
| 1921 } | |
| 1922 | |
| 1923 //=========================================================================================================== | |
| 1924 // Parsing of java.compiler property | |
| 1925 | |
| 1926 void Arguments::process_java_compiler_argument(char* arg) { | |
| 1927 // For backwards compatibility, Djava.compiler=NONE or "" | |
| 1928 // causes us to switch to -Xint mode UNLESS -Xdebug | |
| 1929 // is also specified. | |
| 1930 if (strlen(arg) == 0 || strcasecmp(arg, "NONE") == 0) { | |
| 1931 set_java_compiler(true); // "-Djava.compiler[=...]" most recently seen. | |
| 1932 } | |
| 1933 } | |
| 1934 | |
| 1935 void Arguments::process_java_launcher_argument(const char* launcher, void* extra_info) { | |
| 1936 _sun_java_launcher = strdup(launcher); | |
|
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1937 if (strcmp("gamma", _sun_java_launcher) == 0) { |
|
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1938 _created_by_gamma_launcher = true; |
|
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1939 } |
| 0 | 1940 } |
| 1941 | |
| 1942 bool Arguments::created_by_java_launcher() { | |
| 1943 assert(_sun_java_launcher != NULL, "property must have value"); | |
| 1944 return strcmp(DEFAULT_JAVA_LAUNCHER, _sun_java_launcher) != 0; | |
| 1945 } | |
| 1946 | |
|
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1947 bool Arguments::created_by_gamma_launcher() { |
|
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1948 return _created_by_gamma_launcher; |
|
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|
1949 } |
|
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|
1950 |
| 0 | 1951 //=========================================================================================================== |
| 1952 // Parsing of main arguments | |
| 1953 | |
|
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1954 bool Arguments::verify_interval(uintx val, uintx min, |
|
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1955 uintx max, const char* name) { |
|
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1956 // Returns true iff value is in the inclusive interval [min..max] |
|
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1957 // false, otherwise. |
|
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1958 if (val >= min && val <= max) { |
|
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1959 return true; |
|
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|
1960 } |
|
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|
1961 jio_fprintf(defaultStream::error_stream(), |
|
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|
1962 "%s of " UINTX_FORMAT " is invalid; must be between " UINTX_FORMAT |
|
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|
1963 " and " UINTX_FORMAT "\n", |
|
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|
1964 name, val, min, max); |
|
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|
1965 return false; |
|
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|
1966 } |
|
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|
1967 |
|
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|
1968 bool Arguments::verify_min_value(intx val, intx min, const char* name) { |
|
2366
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|
1969 // Returns true if given value is at least specified min threshold |
|
1744
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|
1970 // false, otherwise. |
|
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|
1971 if (val >= min ) { |
|
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|
1972 return true; |
|
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|
1973 } |
|
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|
1974 jio_fprintf(defaultStream::error_stream(), |
|
2366
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|
1975 "%s of " INTX_FORMAT " is invalid; must be at least " INTX_FORMAT "\n", |
|
1744
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|
1976 name, val, min); |
|
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|
1977 return false; |
|
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|
1978 } |
|
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|
1979 |
| 0 | 1980 bool Arguments::verify_percentage(uintx value, const char* name) { |
|
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|
1981 if (is_percentage(value)) { |
| 0 | 1982 return true; |
| 1983 } | |
| 1984 jio_fprintf(defaultStream::error_stream(), | |
| 1985 "%s of " UINTX_FORMAT " is invalid; must be between 0 and 100\n", | |
| 1986 name, value); | |
| 1987 return false; | |
| 1988 } | |
| 1989 | |
|
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|
1990 // check if do gclog rotation |
|
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diff
changeset
|
1991 // +UseGCLogFileRotation is a must, |
|
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|
1992 // no gc log rotation when log file not supplied or |
| 17827 | 1993 // NumberOfGCLogFiles is 0 |
|
3767
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|
1994 void check_gclog_consistency() { |
|
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diff
changeset
|
1995 if (UseGCLogFileRotation) { |
| 17827 | 1996 if ((Arguments::gc_log_filename() == NULL) || (NumberOfGCLogFiles == 0)) { |
|
3767
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|
1997 jio_fprintf(defaultStream::output_stream(), |
| 17827 | 1998 "To enable GC log rotation, use -Xloggc:<filename> -XX:+UseGCLogFileRotation -XX:NumberOfGCLogFiles=<num_of_files>\n" |
| 1999 "where num_of_file > 0\n" | |
|
3767
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|
2000 "GC log rotation is turned off\n"); |
|
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|
2001 UseGCLogFileRotation = false; |
|
2a241e764894
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|
2002 } |
|
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
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diff
changeset
|
2003 } |
|
2a241e764894
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diff
changeset
|
2004 |
| 17827 | 2005 if (UseGCLogFileRotation && (GCLogFileSize != 0) && (GCLogFileSize < 8*K)) { |
| 2006 FLAG_SET_CMDLINE(uintx, GCLogFileSize, 8*K); | |
| 2007 jio_fprintf(defaultStream::output_stream(), | |
| 2008 "GCLogFileSize changed to minimum 8K\n"); | |
|
3767
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|
2009 } |
|
2a241e764894
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parents:
3349
diff
changeset
|
2010 } |
|
2a241e764894
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minqi
parents:
3349
diff
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|
2011 |
| 12215 | 2012 // This function is called for -Xloggc:<filename>, it can be used |
| 2013 // to check if a given file name(or string) conforms to the following | |
| 2014 // specification: | |
| 2015 // A valid string only contains "[A-Z][a-z][0-9].-_%[p|t]" | |
| 2016 // %p and %t only allowed once. We only limit usage of filename not path | |
| 2017 bool is_filename_valid(const char *file_name) { | |
| 2018 const char* p = file_name; | |
| 2019 char file_sep = os::file_separator()[0]; | |
| 2020 const char* cp; | |
| 2021 // skip prefix path | |
| 2022 for (cp = file_name; *cp != '\0'; cp++) { | |
| 2023 if (*cp == '/' || *cp == file_sep) { | |
| 2024 p = cp + 1; | |
| 2025 } | |
| 2026 } | |
| 2027 | |
| 2028 int count_p = 0; | |
| 2029 int count_t = 0; | |
| 2030 while (*p != '\0') { | |
| 2031 if ((*p >= '0' && *p <= '9') || | |
| 2032 (*p >= 'A' && *p <= 'Z') || | |
| 2033 (*p >= 'a' && *p <= 'z') || | |
| 2034 *p == '-' || | |
| 2035 *p == '_' || | |
| 2036 *p == '.') { | |
| 2037 p++; | |
| 2038 continue; | |
| 2039 } | |
| 2040 if (*p == '%') { | |
| 2041 if(*(p + 1) == 'p') { | |
| 2042 p += 2; | |
| 2043 count_p ++; | |
| 2044 continue; | |
| 2045 } | |
| 2046 if (*(p + 1) == 't') { | |
| 2047 p += 2; | |
| 2048 count_t ++; | |
| 2049 continue; | |
| 2050 } | |
| 2051 } | |
| 2052 return false; | |
| 2053 } | |
| 2054 return count_p < 2 && count_t < 2; | |
| 2055 } | |
| 2056 | |
|
17648
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diff
changeset
|
2057 bool Arguments::verify_MinHeapFreeRatio(FormatBuffer<80>& err_msg, uintx min_heap_free_ratio) { |
|
a034dc5e910b
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diff
changeset
|
2058 if (!is_percentage(min_heap_free_ratio)) { |
|
a034dc5e910b
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jwilhelm
parents:
14260
diff
changeset
|
2059 err_msg.print("MinHeapFreeRatio must have a value between 0 and 100"); |
|
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
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diff
changeset
|
2060 return false; |
|
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
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diff
changeset
|
2061 } |
|
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
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diff
changeset
|
2062 if (min_heap_free_ratio > MaxHeapFreeRatio) { |
|
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
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14260
diff
changeset
|
2063 err_msg.print("MinHeapFreeRatio (" UINTX_FORMAT ") must be less than or " |
|
a034dc5e910b
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jwilhelm
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14260
diff
changeset
|
2064 "equal to MaxHeapFreeRatio (" UINTX_FORMAT ")", min_heap_free_ratio, |
|
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
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diff
changeset
|
2065 MaxHeapFreeRatio); |
|
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14260
diff
changeset
|
2066 return false; |
|
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
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diff
changeset
|
2067 } |
|
20345
f933a15469d4
8055006: Store original value of Min/MaxHeapFreeRatio
jwilhelm
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20317
diff
changeset
|
2068 // This does not set the flag itself, but stores the value in a safe place for later usage. |
|
f933a15469d4
8055006: Store original value of Min/MaxHeapFreeRatio
jwilhelm
parents:
20317
diff
changeset
|
2069 _min_heap_free_ratio = min_heap_free_ratio; |
|
17648
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parents:
14260
diff
changeset
|
2070 return true; |
|
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
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diff
changeset
|
2071 } |
|
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
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14260
diff
changeset
|
2072 |
|
a034dc5e910b
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jwilhelm
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14260
diff
changeset
|
2073 bool Arguments::verify_MaxHeapFreeRatio(FormatBuffer<80>& err_msg, uintx max_heap_free_ratio) { |
|
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
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changeset
|
2074 if (!is_percentage(max_heap_free_ratio)) { |
|
a034dc5e910b
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14260
diff
changeset
|
2075 err_msg.print("MaxHeapFreeRatio must have a value between 0 and 100"); |
|
a034dc5e910b
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diff
changeset
|
2076 return false; |
|
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
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diff
changeset
|
2077 } |
|
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
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14260
diff
changeset
|
2078 if (max_heap_free_ratio < MinHeapFreeRatio) { |
|
a034dc5e910b
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jwilhelm
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14260
diff
changeset
|
2079 err_msg.print("MaxHeapFreeRatio (" UINTX_FORMAT ") must be greater than or " |
|
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
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14260
diff
changeset
|
2080 "equal to MinHeapFreeRatio (" UINTX_FORMAT ")", max_heap_free_ratio, |
|
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
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14260
diff
changeset
|
2081 MinHeapFreeRatio); |
|
a034dc5e910b
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jwilhelm
parents:
14260
diff
changeset
|
2082 return false; |
|
a034dc5e910b
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14260
diff
changeset
|
2083 } |
|
20345
f933a15469d4
8055006: Store original value of Min/MaxHeapFreeRatio
jwilhelm
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20317
diff
changeset
|
2084 // This does not set the flag itself, but stores the value in a safe place for later usage. |
|
f933a15469d4
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jwilhelm
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20317
diff
changeset
|
2085 _max_heap_free_ratio = max_heap_free_ratio; |
|
17648
a034dc5e910b
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diff
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|
2086 return true; |
|
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
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14260
diff
changeset
|
2087 } |
|
a034dc5e910b
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diff
changeset
|
2088 |
|
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2089 // Check consistency of GC selection |
|
20408
76af788b6c16
8057623: add an extension class for argument handling
jcoomes
parents:
20403
diff
changeset
|
2090 bool Arguments::check_gc_consistency_user() { |
|
3767
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|
2091 check_gclog_consistency(); |
|
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2092 bool status = true; |
|
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
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0
diff
changeset
|
2093 // Ensure that the user has not selected conflicting sets |
|
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
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0
diff
changeset
|
2094 // of collectors. [Note: this check is merely a user convenience; |
|
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2095 // collectors over-ride each other so that only a non-conflicting |
|
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2096 // set is selected; however what the user gets is not what they |
|
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2097 // may have expected from the combination they asked for. It's |
|
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2098 // better to reduce user confusion by not allowing them to |
|
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2099 // select conflicting combinations. |
|
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2100 uint i = 0; |
|
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2101 if (UseSerialGC) i++; |
|
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2102 if (UseConcMarkSweepGC || UseParNewGC) i++; |
|
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2103 if (UseParallelGC || UseParallelOldGC) i++; |
|
845
df6caf649ff7
6700789: G1: Enable use of compressed oops with G1 heaps
ysr
parents:
751
diff
changeset
|
2104 if (UseG1GC) i++; |
|
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2105 if (i > 1) { |
|
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2106 jio_fprintf(defaultStream::error_stream(), |
|
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2107 "Conflicting collector combinations in option list; " |
|
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2108 "please refer to the release notes for the combinations " |
|
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2109 "allowed\n"); |
|
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2110 status = false; |
|
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2111 } |
|
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2112 return status; |
|
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2113 } |
|
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2114 |
|
7452
e0ab18eafbde
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
7451
diff
changeset
|
2115 void Arguments::check_deprecated_gcs() { |
|
e0ab18eafbde
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
7451
diff
changeset
|
2116 if (UseConcMarkSweepGC && !UseParNewGC) { |
|
e0ab18eafbde
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
7451
diff
changeset
|
2117 warning("Using the DefNew young collector with the CMS collector is deprecated " |
|
e0ab18eafbde
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
7451
diff
changeset
|
2118 "and will likely be removed in a future release"); |
|
e0ab18eafbde
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
7451
diff
changeset
|
2119 } |
|
e0ab18eafbde
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
7451
diff
changeset
|
2120 |
|
e0ab18eafbde
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
7451
diff
changeset
|
2121 if (UseParNewGC && !UseConcMarkSweepGC) { |
|
e0ab18eafbde
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
7451
diff
changeset
|
2122 // !UseConcMarkSweepGC means that we are using serial old gc. Unfortunately we don't |
|
e0ab18eafbde
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
7451
diff
changeset
|
2123 // set up UseSerialGC properly, so that can't be used in the check here. |
|
e0ab18eafbde
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
7451
diff
changeset
|
2124 warning("Using the ParNew young collector with the Serial old collector is deprecated " |
|
e0ab18eafbde
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
7451
diff
changeset
|
2125 "and will likely be removed in a future release"); |
|
e0ab18eafbde
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
7451
diff
changeset
|
2126 } |
| 7453 | 2127 |
| 2128 if (CMSIncrementalMode) { | |
| 2129 warning("Using incremental CMS is deprecated and will likely be removed in a future release"); | |
| 2130 } | |
|
7452
e0ab18eafbde
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
7451
diff
changeset
|
2131 } |
|
e0ab18eafbde
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
7451
diff
changeset
|
2132 |
| 8734 | 2133 void Arguments::check_deprecated_gc_flags() { |
| 2134 if (FLAG_IS_CMDLINE(MaxGCMinorPauseMillis)) { | |
| 2135 warning("Using MaxGCMinorPauseMillis as minor pause goal is deprecated" | |
| 2136 "and will likely be removed in future release"); | |
| 2137 } | |
| 11977 | 2138 if (FLAG_IS_CMDLINE(DefaultMaxRAMFraction)) { |
| 2139 warning("DefaultMaxRAMFraction is deprecated and will likely be removed in a future release. " | |
| 2140 "Use MaxRAMFraction instead."); | |
| 2141 } | |
|
13008
3b3133d93fb6
8027132: Print deprecation warning message for the flags controlling the CMS foreground collector
brutisso
parents:
12976
diff
changeset
|
2142 if (FLAG_IS_CMDLINE(UseCMSCompactAtFullCollection)) { |
|
3b3133d93fb6
8027132: Print deprecation warning message for the flags controlling the CMS foreground collector
brutisso
parents:
12976
diff
changeset
|
2143 warning("UseCMSCompactAtFullCollection is deprecated and will likely be removed in a future release."); |
|
3b3133d93fb6
8027132: Print deprecation warning message for the flags controlling the CMS foreground collector
brutisso
parents:
12976
diff
changeset
|
2144 } |
|
3b3133d93fb6
8027132: Print deprecation warning message for the flags controlling the CMS foreground collector
brutisso
parents:
12976
diff
changeset
|
2145 if (FLAG_IS_CMDLINE(CMSFullGCsBeforeCompaction)) { |
|
3b3133d93fb6
8027132: Print deprecation warning message for the flags controlling the CMS foreground collector
brutisso
parents:
12976
diff
changeset
|
2146 warning("CMSFullGCsBeforeCompaction is deprecated and will likely be removed in a future release."); |
|
3b3133d93fb6
8027132: Print deprecation warning message for the flags controlling the CMS foreground collector
brutisso
parents:
12976
diff
changeset
|
2147 } |
|
3b3133d93fb6
8027132: Print deprecation warning message for the flags controlling the CMS foreground collector
brutisso
parents:
12976
diff
changeset
|
2148 if (FLAG_IS_CMDLINE(UseCMSCollectionPassing)) { |
|
3b3133d93fb6
8027132: Print deprecation warning message for the flags controlling the CMS foreground collector
brutisso
parents:
12976
diff
changeset
|
2149 warning("UseCMSCollectionPassing is deprecated and will likely be removed in a future release."); |
|
3b3133d93fb6
8027132: Print deprecation warning message for the flags controlling the CMS foreground collector
brutisso
parents:
12976
diff
changeset
|
2150 } |
| 8734 | 2151 } |
| 2152 | |
|
1744
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
2153 // Check stack pages settings |
|
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
2154 bool Arguments::check_stack_pages() |
|
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
2155 { |
|
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
2156 bool status = true; |
|
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
2157 status = status && verify_min_value(StackYellowPages, 1, "StackYellowPages"); |
|
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
2158 status = status && verify_min_value(StackRedPages, 1, "StackRedPages"); |
|
1867
b6aedd1acdc0
6983240: guarantee((Solaris::min_stack_allowed >= (StackYellowPages+StackRedPages...) wrong
coleenp
parents:
1864
diff
changeset
|
2159 // greater stack shadow pages can't generate instruction to bang stack |
|
b6aedd1acdc0
6983240: guarantee((Solaris::min_stack_allowed >= (StackYellowPages+StackRedPages...) wrong
coleenp
parents:
1864
diff
changeset
|
2160 status = status && verify_interval(StackShadowPages, 1, 50, "StackShadowPages"); |
|
1744
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
2161 return status; |
|
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
2162 } |
|
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
2163 |
| 0 | 2164 // Check the consistency of vm_init_args |
| 2165 bool Arguments::check_vm_args_consistency() { | |
| 2166 // Method for adding checks for flag consistency. | |
| 2167 // The intent is to warn the user of all possible conflicts, | |
| 2168 // before returning an error. | |
| 2169 // Note: Needs platform-dependent factoring. | |
| 2170 bool status = true; | |
| 2171 | |
| 2172 // Allow both -XX:-UseStackBanging and -XX:-UseBoundThreads in non-product | |
| 2173 // builds so the cost of stack banging can be measured. | |
| 2174 #if (defined(PRODUCT) && defined(SOLARIS)) | |
| 2175 if (!UseBoundThreads && !UseStackBanging) { | |
| 2176 jio_fprintf(defaultStream::error_stream(), | |
| 2177 "-UseStackBanging conflicts with -UseBoundThreads\n"); | |
| 2178 | |
| 2179 status = false; | |
| 2180 } | |
| 2181 #endif | |
| 2182 | |
| 2183 if (TLABRefillWasteFraction == 0) { | |
| 2184 jio_fprintf(defaultStream::error_stream(), | |
| 2185 "TLABRefillWasteFraction should be a denominator, " | |
| 2186 "not " SIZE_FORMAT "\n", | |
| 2187 TLABRefillWasteFraction); | |
| 2188 status = false; | |
| 2189 } | |
| 2190 | |
|
10287
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2191 status = status && verify_interval(AdaptiveSizePolicyWeight, 0, 100, |
| 0 | 2192 "AdaptiveSizePolicyWeight"); |
|
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2193 status = status && verify_percentage(ThresholdTolerance, "ThresholdTolerance"); |
| 0 | 2194 |
|
6982
e4f764ddb06a
7122219: Passed StringTableSize value not verified
hseigel
parents:
6928
diff
changeset
|
2195 // Divide by bucket size to prevent a large size from causing rollover when |
|
e4f764ddb06a
7122219: Passed StringTableSize value not verified
hseigel
parents:
6928
diff
changeset
|
2196 // calculating amount of memory needed to be allocated for the String table. |
|
10126
63e31ce40bdb
8009928: PSR:PERF Increase default string table size
hseigel
parents:
9077
diff
changeset
|
2197 status = status && verify_interval(StringTableSize, minimumStringTableSize, |
|
6982
e4f764ddb06a
7122219: Passed StringTableSize value not verified
hseigel
parents:
6928
diff
changeset
|
2198 (max_uintx / StringTable::bucket_size()), "StringTable size"); |
|
e4f764ddb06a
7122219: Passed StringTableSize value not verified
hseigel
parents:
6928
diff
changeset
|
2199 |
|
12825
c90e76575b03
8019375: Internal symbol table size should be tunable.
kevinw
parents:
12326
diff
changeset
|
2200 status = status && verify_interval(SymbolTableSize, minimumSymbolTableSize, |
|
c90e76575b03
8019375: Internal symbol table size should be tunable.
kevinw
parents:
12326
diff
changeset
|
2201 (max_uintx / SymbolTable::bucket_size()), "SymbolTable size"); |
|
c90e76575b03
8019375: Internal symbol table size should be tunable.
kevinw
parents:
12326
diff
changeset
|
2202 |
|
17648
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14260
diff
changeset
|
2203 { |
|
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14260
diff
changeset
|
2204 // Using "else if" below to avoid printing two error messages if min > max. |
|
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14260
diff
changeset
|
2205 // This will also prevent us from reporting both min>100 and max>100 at the |
|
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14260
diff
changeset
|
2206 // same time, but that is less annoying than printing two identical errors IMHO. |
|
17937
78bbf4d43a14
8037816: Fix for 8036122 breaks build with Xcode5/clang
drchase
parents:
17906
diff
changeset
|
2207 FormatBuffer<80> err_msg("%s",""); |
|
17648
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14260
diff
changeset
|
2208 if (!verify_MinHeapFreeRatio(err_msg, MinHeapFreeRatio)) { |
|
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14260
diff
changeset
|
2209 jio_fprintf(defaultStream::error_stream(), "%s\n", err_msg.buffer()); |
|
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14260
diff
changeset
|
2210 status = false; |
|
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14260
diff
changeset
|
2211 } else if (!verify_MaxHeapFreeRatio(err_msg, MaxHeapFreeRatio)) { |
|
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14260
diff
changeset
|
2212 jio_fprintf(defaultStream::error_stream(), "%s\n", err_msg.buffer()); |
|
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14260
diff
changeset
|
2213 status = false; |
|
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14260
diff
changeset
|
2214 } |
| 0 | 2215 } |
| 2216 | |
|
8040
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2217 // Min/MaxMetaspaceFreeRatio |
|
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2218 status = status && verify_percentage(MinMetaspaceFreeRatio, "MinMetaspaceFreeRatio"); |
|
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2219 status = status && verify_percentage(MaxMetaspaceFreeRatio, "MaxMetaspaceFreeRatio"); |
|
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2220 |
|
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2221 if (MinMetaspaceFreeRatio > MaxMetaspaceFreeRatio) { |
|
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2222 jio_fprintf(defaultStream::error_stream(), |
|
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2223 "MinMetaspaceFreeRatio (%s" UINTX_FORMAT ") must be less than or " |
|
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2224 "equal to MaxMetaspaceFreeRatio (%s" UINTX_FORMAT ")\n", |
|
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2225 FLAG_IS_DEFAULT(MinMetaspaceFreeRatio) ? "Default: " : "", |
|
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2226 MinMetaspaceFreeRatio, |
|
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2227 FLAG_IS_DEFAULT(MaxMetaspaceFreeRatio) ? "Default: " : "", |
|
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2228 MaxMetaspaceFreeRatio); |
|
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2229 status = false; |
|
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2230 } |
|
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2231 |
|
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2232 // Trying to keep 100% free is not practical |
|
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2233 MinMetaspaceFreeRatio = MIN2(MinMetaspaceFreeRatio, (uintx) 99); |
|
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2234 |
| 0 | 2235 if (FullGCALot && FLAG_IS_DEFAULT(MarkSweepAlwaysCompactCount)) { |
| 2236 MarkSweepAlwaysCompactCount = 1; // Move objects every gc. | |
| 2237 } | |
| 2238 | |
|
483
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2239 if (UseParallelOldGC && ParallelOldGCSplitALot) { |
|
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2240 // Settings to encourage splitting. |
|
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2241 if (!FLAG_IS_CMDLINE(NewRatio)) { |
| 8035 | 2242 FLAG_SET_CMDLINE(uintx, NewRatio, 2); |
|
483
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2243 } |
|
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2244 if (!FLAG_IS_CMDLINE(ScavengeBeforeFullGC)) { |
|
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2245 FLAG_SET_CMDLINE(bool, ScavengeBeforeFullGC, false); |
|
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2246 } |
|
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2247 } |
|
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2248 |
|
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2249 status = status && verify_percentage(GCHeapFreeLimit, "GCHeapFreeLimit"); |
|
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2250 status = status && verify_percentage(GCTimeLimit, "GCTimeLimit"); |
| 0 | 2251 if (GCTimeLimit == 100) { |
| 2252 // Turn off gc-overhead-limit-exceeded checks | |
| 2253 FLAG_SET_DEFAULT(UseGCOverheadLimit, false); | |
| 2254 } | |
| 2255 | |
|
20655
b840813adfcc
8065305: Make it possible to extend the G1CollectorPolicy
jwilhelm
parents:
20654
diff
changeset
|
2256 status = status && check_gc_consistency_user(); |
|
1744
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
2257 status = status && check_stack_pages(); |
| 0 | 2258 |
| 2259 if (CMSIncrementalMode) { | |
| 2260 if (!UseConcMarkSweepGC) { | |
| 2261 jio_fprintf(defaultStream::error_stream(), | |
| 2262 "error: invalid argument combination.\n" | |
| 2263 "The CMS collector (-XX:+UseConcMarkSweepGC) must be " | |
| 2264 "selected in order\nto use CMSIncrementalMode.\n"); | |
| 2265 status = false; | |
| 2266 } else { | |
|
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2267 status = status && verify_percentage(CMSIncrementalDutyCycle, |
| 0 | 2268 "CMSIncrementalDutyCycle"); |
|
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2269 status = status && verify_percentage(CMSIncrementalDutyCycleMin, |
| 0 | 2270 "CMSIncrementalDutyCycleMin"); |
|
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2271 status = status && verify_percentage(CMSIncrementalSafetyFactor, |
| 0 | 2272 "CMSIncrementalSafetyFactor"); |
|
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2273 status = status && verify_percentage(CMSIncrementalOffset, |
| 0 | 2274 "CMSIncrementalOffset"); |
|
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2275 status = status && verify_percentage(CMSExpAvgFactor, |
| 0 | 2276 "CMSExpAvgFactor"); |
| 2277 // If it was not set on the command line, set | |
| 2278 // CMSInitiatingOccupancyFraction to 1 so icms can initiate cycles early. | |
| 2279 if (CMSInitiatingOccupancyFraction < 0) { | |
| 2280 FLAG_SET_DEFAULT(CMSInitiatingOccupancyFraction, 1); | |
| 2281 } | |
| 2282 } | |
| 2283 } | |
| 2284 | |
| 2285 // CMS space iteration, which FLSVerifyAllHeapreferences entails, | |
| 2286 // insists that we hold the requisite locks so that the iteration is | |
| 2287 // MT-safe. For the verification at start-up and shut-down, we don't | |
| 2288 // yet have a good way of acquiring and releasing these locks, | |
| 2289 // which are not visible at the CollectedHeap level. We want to | |
| 2290 // be able to acquire these locks and then do the iteration rather | |
| 2291 // than just disable the lock verification. This will be fixed under | |
| 2292 // bug 4788986. | |
| 2293 if (UseConcMarkSweepGC && FLSVerifyAllHeapReferences) { | |
|
9071
68fe50d4f1d5
8011343: Add new flag for verifying the heap during startup
johnc
parents:
8859
diff
changeset
|
2294 if (VerifyDuringStartup) { |
| 0 | 2295 warning("Heap verification at start-up disabled " |
| 2296 "(due to current incompatibility with FLSVerifyAllHeapReferences)"); | |
|
9071
68fe50d4f1d5
8011343: Add new flag for verifying the heap during startup
johnc
parents:
8859
diff
changeset
|
2297 VerifyDuringStartup = false; // Disable verification at start-up |
| 0 | 2298 } |
|
9071
68fe50d4f1d5
8011343: Add new flag for verifying the heap during startup
johnc
parents:
8859
diff
changeset
|
2299 |
| 0 | 2300 if (VerifyBeforeExit) { |
| 2301 warning("Heap verification at shutdown disabled " | |
| 2302 "(due to current incompatibility with FLSVerifyAllHeapReferences)"); | |
| 2303 VerifyBeforeExit = false; // Disable verification at shutdown | |
| 2304 } | |
| 2305 } | |
| 2306 | |
| 2307 // Note: only executed in non-PRODUCT mode | |
| 2308 if (!UseAsyncConcMarkSweepGC && | |
| 2309 (ExplicitGCInvokesConcurrent || | |
| 2310 ExplicitGCInvokesConcurrentAndUnloadsClasses)) { | |
| 2311 jio_fprintf(defaultStream::error_stream(), | |
|
6628
bb3f6194fedb
7178363: G1: Remove the serial code for PrintGCDetails and make it a special case of the parallel code
brutisso
parents:
6266
diff
changeset
|
2312 "error: +ExplicitGCInvokesConcurrent[AndUnloadsClasses] conflicts" |
| 0 | 2313 " with -UseAsyncConcMarkSweepGC"); |
| 2314 status = false; | |
| 2315 } | |
| 2316 | |
|
2366
1fb790245268
6820066: Check that -XX:ParGCArrayScanChunk has a value larger than zero.
jwilhelm
parents:
2362
diff
changeset
|
2317 status = status && verify_min_value(ParGCArrayScanChunk, 1, "ParGCArrayScanChunk"); |
|
1fb790245268
6820066: Check that -XX:ParGCArrayScanChunk has a value larger than zero.
jwilhelm
parents:
2362
diff
changeset
|
2318 |
|
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
2319 #if INCLUDE_ALL_GCS |
|
1283
1c72304f1885
6928073: G1: use existing command line parameters for marking cycle initiation
tonyp
parents:
1257
diff
changeset
|
2320 if (UseG1GC) { |
|
13060
8f07aa079343
8016309: assert(eden_size > 0 && survivor_size > 0) failed: just checking
jwilhelm
parents:
13059
diff
changeset
|
2321 status = status && verify_percentage(G1NewSizePercent, "G1NewSizePercent"); |
|
8f07aa079343
8016309: assert(eden_size > 0 && survivor_size > 0) failed: just checking
jwilhelm
parents:
13059
diff
changeset
|
2322 status = status && verify_percentage(G1MaxNewSizePercent, "G1MaxNewSizePercent"); |
|
8f07aa079343
8016309: assert(eden_size > 0 && survivor_size > 0) failed: just checking
jwilhelm
parents:
13059
diff
changeset
|
2323 status = status && verify_interval(G1NewSizePercent, 0, G1MaxNewSizePercent, "G1NewSizePercent"); |
|
8f07aa079343
8016309: assert(eden_size > 0 && survivor_size > 0) failed: just checking
jwilhelm
parents:
13059
diff
changeset
|
2324 |
|
1283
1c72304f1885
6928073: G1: use existing command line parameters for marking cycle initiation
tonyp
parents:
1257
diff
changeset
|
2325 status = status && verify_percentage(InitiatingHeapOccupancyPercent, |
|
1c72304f1885
6928073: G1: use existing command line parameters for marking cycle initiation
tonyp
parents:
1257
diff
changeset
|
2326 "InitiatingHeapOccupancyPercent"); |
|
2174
234761c55641
6608385: G1: need to support parallel reference processing
johnc
parents:
2129
diff
changeset
|
2327 status = status && verify_min_value(G1RefProcDrainInterval, 1, |
|
234761c55641
6608385: G1: need to support parallel reference processing
johnc
parents:
2129
diff
changeset
|
2328 "G1RefProcDrainInterval"); |
|
234761c55641
6608385: G1: need to support parallel reference processing
johnc
parents:
2129
diff
changeset
|
2329 status = status && verify_min_value((intx)G1ConcMarkStepDurationMillis, 1, |
|
234761c55641
6608385: G1: need to support parallel reference processing
johnc
parents:
2129
diff
changeset
|
2330 "G1ConcMarkStepDurationMillis"); |
|
10246
194f52aa2f23
7176479: G1: JVM crashes on T5-8 system with 1.5 TB heap
johnc
parents:
10241
diff
changeset
|
2331 status = status && verify_interval(G1ConcRSHotCardLimit, 0, max_jubyte, |
|
194f52aa2f23
7176479: G1: JVM crashes on T5-8 system with 1.5 TB heap
johnc
parents:
10241
diff
changeset
|
2332 "G1ConcRSHotCardLimit"); |
|
194f52aa2f23
7176479: G1: JVM crashes on T5-8 system with 1.5 TB heap
johnc
parents:
10241
diff
changeset
|
2333 status = status && verify_interval(G1ConcRSLogCacheSize, 0, 31, |
|
194f52aa2f23
7176479: G1: JVM crashes on T5-8 system with 1.5 TB heap
johnc
parents:
10241
diff
changeset
|
2334 "G1ConcRSLogCacheSize"); |
| 17764 | 2335 status = status && verify_interval(StringDeduplicationAgeThreshold, 1, markOopDesc::max_age, |
| 2336 "StringDeduplicationAgeThreshold"); | |
|
1283
1c72304f1885
6928073: G1: use existing command line parameters for marking cycle initiation
tonyp
parents:
1257
diff
changeset
|
2337 } |
|
10287
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2338 if (UseConcMarkSweepGC) { |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2339 status = status && verify_min_value(CMSOldPLABNumRefills, 1, "CMSOldPLABNumRefills"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2340 status = status && verify_min_value(CMSOldPLABToleranceFactor, 1, "CMSOldPLABToleranceFactor"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2341 status = status && verify_min_value(CMSOldPLABMax, 1, "CMSOldPLABMax"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2342 status = status && verify_interval(CMSOldPLABMin, 1, CMSOldPLABMax, "CMSOldPLABMin"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2343 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2344 status = status && verify_min_value(CMSYoungGenPerWorker, 1, "CMSYoungGenPerWorker"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2345 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2346 status = status && verify_min_value(CMSSamplingGrain, 1, "CMSSamplingGrain"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2347 status = status && verify_interval(CMS_SweepWeight, 0, 100, "CMS_SweepWeight"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2348 status = status && verify_interval(CMS_FLSWeight, 0, 100, "CMS_FLSWeight"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2349 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2350 status = status && verify_interval(FLSCoalescePolicy, 0, 4, "FLSCoalescePolicy"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2351 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2352 status = status && verify_min_value(CMSRescanMultiple, 1, "CMSRescanMultiple"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2353 status = status && verify_min_value(CMSConcMarkMultiple, 1, "CMSConcMarkMultiple"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2354 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2355 status = status && verify_interval(CMSPrecleanIter, 0, 9, "CMSPrecleanIter"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2356 status = status && verify_min_value(CMSPrecleanDenominator, 1, "CMSPrecleanDenominator"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2357 status = status && verify_interval(CMSPrecleanNumerator, 0, CMSPrecleanDenominator - 1, "CMSPrecleanNumerator"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2358 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2359 status = status && verify_percentage(CMSBootstrapOccupancy, "CMSBootstrapOccupancy"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2360 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2361 status = status && verify_min_value(CMSPrecleanThreshold, 100, "CMSPrecleanThreshold"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2362 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2363 status = status && verify_percentage(CMSScheduleRemarkEdenPenetration, "CMSScheduleRemarkEdenPenetration"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2364 status = status && verify_min_value(CMSScheduleRemarkSamplingRatio, 1, "CMSScheduleRemarkSamplingRatio"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2365 status = status && verify_min_value(CMSBitMapYieldQuantum, 1, "CMSBitMapYieldQuantum"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2366 status = status && verify_percentage(CMSTriggerRatio, "CMSTriggerRatio"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2367 status = status && verify_percentage(CMSIsTooFullPercentage, "CMSIsTooFullPercentage"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2368 } |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2369 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2370 if (UseParallelGC || UseParallelOldGC) { |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2371 status = status && verify_interval(ParallelOldDeadWoodLimiterMean, 0, 100, "ParallelOldDeadWoodLimiterMean"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2372 status = status && verify_interval(ParallelOldDeadWoodLimiterStdDev, 0, 100, "ParallelOldDeadWoodLimiterStdDev"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2373 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2374 status = status && verify_percentage(YoungGenerationSizeIncrement, "YoungGenerationSizeIncrement"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2375 status = status && verify_percentage(TenuredGenerationSizeIncrement, "TenuredGenerationSizeIncrement"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2376 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2377 status = status && verify_min_value(YoungGenerationSizeSupplementDecay, 1, "YoungGenerationSizeSupplementDecay"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2378 status = status && verify_min_value(TenuredGenerationSizeSupplementDecay, 1, "TenuredGenerationSizeSupplementDecay"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2379 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2380 status = status && verify_min_value(ParGCCardsPerStrideChunk, 1, "ParGCCardsPerStrideChunk"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2381 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2382 status = status && verify_min_value(ParallelOldGCSplitInterval, 0, "ParallelOldGCSplitInterval"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2383 } |
|
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
2384 #endif // INCLUDE_ALL_GCS |
|
1283
1c72304f1885
6928073: G1: use existing command line parameters for marking cycle initiation
tonyp
parents:
1257
diff
changeset
|
2385 |
|
1244
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2386 status = status && verify_interval(RefDiscoveryPolicy, |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2387 ReferenceProcessor::DiscoveryPolicyMin, |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2388 ReferenceProcessor::DiscoveryPolicyMax, |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2389 "RefDiscoveryPolicy"); |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2390 |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2391 // Limit the lower bound of this flag to 1 as it is used in a division |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2392 // expression. |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2393 status = status && verify_interval(TLABWasteTargetPercent, |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2394 1, 100, "TLABWasteTargetPercent"); |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2395 |
|
1571
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
2396 status = status && verify_object_alignment(); |
|
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
2397 |
|
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
2398 status = status && verify_interval(CompressedClassSpaceSize, 1*M, 3*G, |
|
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
2399 "CompressedClassSpaceSize"); |
|
6736
11fb740ce98f
7196103: NPG: Unable to allocate bit map for parallel garbage collection for the requested heap size
coleenp
parents:
6725
diff
changeset
|
2400 |
|
7397
442f942757c0
8000244: G1: Ergonomically set MarkStackSize and use virtual space for global marking stack
johnc
parents:
7177
diff
changeset
|
2401 status = status && verify_interval(MarkStackSizeMax, |
|
442f942757c0
8000244: G1: Ergonomically set MarkStackSize and use virtual space for global marking stack
johnc
parents:
7177
diff
changeset
|
2402 1, (max_jint - 1), "MarkStackSizeMax"); |
|
10287
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2403 status = status && verify_interval(NUMAChunkResizeWeight, 0, 100, "NUMAChunkResizeWeight"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2404 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2405 status = status && verify_min_value(LogEventsBufferEntries, 1, "LogEventsBufferEntries"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2406 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2407 status = status && verify_min_value(HeapSizePerGCThread, (uintx) os::vm_page_size(), "HeapSizePerGCThread"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2408 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2409 status = status && verify_min_value(GCTaskTimeStampEntries, 1, "GCTaskTimeStampEntries"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2410 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2411 status = status && verify_percentage(ParallelGCBufferWastePct, "ParallelGCBufferWastePct"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2412 status = status && verify_interval(TargetPLABWastePct, 1, 100, "TargetPLABWastePct"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2413 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2414 status = status && verify_min_value(ParGCStridesPerThread, 1, "ParGCStridesPerThread"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2415 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2416 status = status && verify_min_value(MinRAMFraction, 1, "MinRAMFraction"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2417 status = status && verify_min_value(InitialRAMFraction, 1, "InitialRAMFraction"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2418 status = status && verify_min_value(MaxRAMFraction, 1, "MaxRAMFraction"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2419 status = status && verify_min_value(DefaultMaxRAMFraction, 1, "DefaultMaxRAMFraction"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2420 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2421 status = status && verify_interval(AdaptiveTimeWeight, 0, 100, "AdaptiveTimeWeight"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2422 status = status && verify_min_value(AdaptiveSizeDecrementScaleFactor, 1, "AdaptiveSizeDecrementScaleFactor"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2423 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2424 status = status && verify_interval(TLABAllocationWeight, 0, 100, "TLABAllocationWeight"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2425 status = status && verify_min_value(MinTLABSize, 1, "MinTLABSize"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2426 status = status && verify_min_value(TLABRefillWasteFraction, 1, "TLABRefillWasteFraction"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2427 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2428 status = status && verify_percentage(YoungGenerationSizeSupplement, "YoungGenerationSizeSupplement"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2429 status = status && verify_percentage(TenuredGenerationSizeSupplement, "TenuredGenerationSizeSupplement"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2430 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2431 // the "age" field in the oop header is 4 bits; do not want to pull in markOop.hpp |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2432 // just for that, so hardcode here. |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2433 status = status && verify_interval(MaxTenuringThreshold, 0, 15, "MaxTenuringThreshold"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2434 status = status && verify_interval(InitialTenuringThreshold, 0, MaxTenuringThreshold, "MaxTenuringThreshold"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2435 status = status && verify_percentage(TargetSurvivorRatio, "TargetSurvivorRatio"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2436 status = status && verify_percentage(MarkSweepDeadRatio, "MarkSweepDeadRatio"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2437 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2438 status = status && verify_min_value(MarkSweepAlwaysCompactCount, 1, "MarkSweepAlwaysCompactCount"); |
|
20545
ab4548891480
6883953: java -client -XX:ValueMapInitialSize=0 crashes
adlertz
parents:
20505
diff
changeset
|
2439 #ifdef COMPILER1 |
|
ab4548891480
6883953: java -client -XX:ValueMapInitialSize=0 crashes
adlertz
parents:
20505
diff
changeset
|
2440 status = status && verify_min_value(ValueMapInitialSize, 1, "ValueMapInitialSize"); |
|
ab4548891480
6883953: java -client -XX:ValueMapInitialSize=0 crashes
adlertz
parents:
20505
diff
changeset
|
2441 #endif |
|
6755
bc675e55b48c
7193946: Move warnings associated with UseMemSetInBOT flag
johnc
parents:
6736
diff
changeset
|
2442 |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2443 if (PrintNMTStatistics) { |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2444 #if INCLUDE_NMT |
| 20360 | 2445 if (MemTracker::tracking_level() == NMT_off) { |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2446 #endif // INCLUDE_NMT |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2447 warning("PrintNMTStatistics is disabled, because native memory tracking is not enabled"); |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2448 PrintNMTStatistics = false; |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2449 #if INCLUDE_NMT |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2450 } |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2451 #endif |
|
6770
9a86ddfc6c8f
7188594: Print statistic collected by NMT with VM flag
zgu
parents:
6736
diff
changeset
|
2452 } |
|
4559
723df37192d6
Make it possible again to build a real client libjvm, drop the UseGraal flag.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
4350
diff
changeset
|
2453 #ifdef GRAAL |
| 10409 | 2454 if (UseG1GC) { |
| 2455 if (IgnoreUnrecognizedVMOptions) { | |
| 2456 FLAG_SET_CMDLINE(bool, UseG1GC, true); | |
| 2457 } else { | |
| 2458 status = true; | |
| 2459 } | |
|
10864
6457dc4227e3
Add compressed klass pointers in gate
Christos Kotselidis <christos.kotselidis@oracle.com>
parents:
10739
diff
changeset
|
2460 } else { |
| 10409 | 2461 // This prevents the flag being set to true by set_ergonomics_flags() |
| 2462 FLAG_SET_CMDLINE(bool, UseG1GC, false); | |
|
10864
6457dc4227e3
Add compressed klass pointers in gate
Christos Kotselidis <christos.kotselidis@oracle.com>
parents:
10739
diff
changeset
|
2463 } |
| 10409 | 2464 |
| 2465 if (!ScavengeRootsInCode) { | |
| 2466 warning("forcing ScavengeRootsInCode non-zero because Graal is enabled"); | |
| 2467 ScavengeRootsInCode = 1; | |
| 2468 } | |
|
13280
fbcdae53b17e
force TypeProfileLevel to 0 in GRAAL until HotSpotMethodData is updated to be aware of the new profiling tags
Doug Simon <doug.simon@oracle.com>
parents:
13086
diff
changeset
|
2469 if (TypeProfileLevel != 0) { |
|
fbcdae53b17e
force TypeProfileLevel to 0 in GRAAL until HotSpotMethodData is updated to be aware of the new profiling tags
Doug Simon <doug.simon@oracle.com>
parents:
13086
diff
changeset
|
2470 warning("forcing TypeProfileLevel to 0 as HotSpotMethodData can not yet handle the new type profile info"); |
|
fbcdae53b17e
force TypeProfileLevel to 0 in GRAAL until HotSpotMethodData is updated to be aware of the new profiling tags
Doug Simon <doug.simon@oracle.com>
parents:
13086
diff
changeset
|
2471 TypeProfileLevel = 0; |
|
fbcdae53b17e
force TypeProfileLevel to 0 in GRAAL until HotSpotMethodData is updated to be aware of the new profiling tags
Doug Simon <doug.simon@oracle.com>
parents:
13086
diff
changeset
|
2472 } |
| 10409 | 2473 #endif |
|
6770
9a86ddfc6c8f
7188594: Print statistic collected by NMT with VM flag
zgu
parents:
6736
diff
changeset
|
2474 |
|
10260
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2475 // Need to limit the extent of the padding to reasonable size. |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2476 // 8K is well beyond the reasonable HW cache line size, even with the |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2477 // aggressive prefetching, while still leaving the room for segregating |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2478 // among the distinct pages. |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2479 if (ContendedPaddingWidth < 0 || ContendedPaddingWidth > 8192) { |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2480 jio_fprintf(defaultStream::error_stream(), |
| 12129 | 2481 "ContendedPaddingWidth=" INTX_FORMAT " must be in between %d and %d\n", |
|
10260
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2482 ContendedPaddingWidth, 0, 8192); |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2483 status = false; |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2484 } |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2485 |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2486 // Need to enforce the padding not to break the existing field alignments. |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2487 // It is sufficient to check against the largest type size. |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2488 if ((ContendedPaddingWidth % BytesPerLong) != 0) { |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2489 jio_fprintf(defaultStream::error_stream(), |
| 12129 | 2490 "ContendedPaddingWidth=" INTX_FORMAT " must be a multiple of %d\n", |
|
10260
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2491 ContendedPaddingWidth, BytesPerLong); |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2492 status = false; |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2493 } |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2494 |
|
11079
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2495 // Check lower bounds of the code cache |
|
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2496 // Template Interpreter code is approximately 3X larger in debug builds. |
|
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2497 uint min_code_cache_size = (CodeCacheMinimumUseSpace DEBUG_ONLY(* 3)) + CodeCacheMinimumFreeSpace; |
|
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2498 if (InitialCodeCacheSize < (uintx)os::vm_page_size()) { |
|
10392
c07dd9be16e8
8013496: Code cache management command line options work only in special order. Another order of arguments does not deliver the second parameter to the jvm.
anoll
parents:
10319
diff
changeset
|
2499 jio_fprintf(defaultStream::error_stream(), |
|
11079
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2500 "Invalid InitialCodeCacheSize=%dK. Must be at least %dK.\n", InitialCodeCacheSize/K, |
|
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2501 os::vm_page_size()/K); |
|
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2502 status = false; |
|
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2503 } else if (ReservedCodeCacheSize < InitialCodeCacheSize) { |
|
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2504 jio_fprintf(defaultStream::error_stream(), |
|
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2505 "Invalid ReservedCodeCacheSize: %dK. Must be at least InitialCodeCacheSize=%dK.\n", |
|
10392
c07dd9be16e8
8013496: Code cache management command line options work only in special order. Another order of arguments does not deliver the second parameter to the jvm.
anoll
parents:
10319
diff
changeset
|
2506 ReservedCodeCacheSize/K, InitialCodeCacheSize/K); |
|
c07dd9be16e8
8013496: Code cache management command line options work only in special order. Another order of arguments does not deliver the second parameter to the jvm.
anoll
parents:
10319
diff
changeset
|
2507 status = false; |
|
11079
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2508 } else if (ReservedCodeCacheSize < min_code_cache_size) { |
|
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2509 jio_fprintf(defaultStream::error_stream(), |
|
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2510 "Invalid ReservedCodeCacheSize=%dK. Must be at least %uK.\n", ReservedCodeCacheSize/K, |
|
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2511 min_code_cache_size/K); |
|
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2512 status = false; |
|
11109
7ac80525ece9
8015635: Crash when specifying very large code cache size
anoll
parents:
11083
diff
changeset
|
2513 } else if (ReservedCodeCacheSize > 2*G) { |
|
7ac80525ece9
8015635: Crash when specifying very large code cache size
anoll
parents:
11083
diff
changeset
|
2514 // Code cache size larger than MAXINT is not supported. |
|
7ac80525ece9
8015635: Crash when specifying very large code cache size
anoll
parents:
11083
diff
changeset
|
2515 jio_fprintf(defaultStream::error_stream(), |
|
7ac80525ece9
8015635: Crash when specifying very large code cache size
anoll
parents:
11083
diff
changeset
|
2516 "Invalid ReservedCodeCacheSize=%dM. Must be at most %uM.\n", ReservedCodeCacheSize/M, |
|
7ac80525ece9
8015635: Crash when specifying very large code cache size
anoll
parents:
11083
diff
changeset
|
2517 (2*G)/M); |
|
7ac80525ece9
8015635: Crash when specifying very large code cache size
anoll
parents:
11083
diff
changeset
|
2518 status = false; |
|
10392
c07dd9be16e8
8013496: Code cache management command line options work only in special order. Another order of arguments does not deliver the second parameter to the jvm.
anoll
parents:
10319
diff
changeset
|
2519 } |
|
12324
510fbd28919c
8020151: PSR:PERF Large performance regressions when code cache is filled
anoll
parents:
12322
diff
changeset
|
2520 |
|
510fbd28919c
8020151: PSR:PERF Large performance regressions when code cache is filled
anoll
parents:
12322
diff
changeset
|
2521 status &= verify_interval(NmethodSweepFraction, 1, ReservedCodeCacheSize/K, "NmethodSweepFraction"); |
|
510fbd28919c
8020151: PSR:PERF Large performance regressions when code cache is filled
anoll
parents:
12322
diff
changeset
|
2522 status &= verify_interval(NmethodSweepActivity, 0, 2000, "NmethodSweepActivity"); |
|
510fbd28919c
8020151: PSR:PERF Large performance regressions when code cache is filled
anoll
parents:
12322
diff
changeset
|
2523 |
|
17906
7150b16fda52
8029436: CICompilerCount is not updated when the number of compiler threads is adjusted to the number of CPUs
anoll
parents:
17827
diff
changeset
|
2524 if (!FLAG_IS_DEFAULT(CICompilerCount) && !FLAG_IS_DEFAULT(CICompilerCountPerCPU) && CICompilerCountPerCPU) { |
|
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8029436: CICompilerCount is not updated when the number of compiler threads is adjusted to the number of CPUs
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|
2525 warning("The VM option CICompilerCountPerCPU overrides CICompilerCount."); |
|
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|
2526 } |
|
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|
2527 |
|
18054
fbf689f3752e
8042603: 'SafepointPollOffset' was not declared in static member function 'static bool Arguments::check_vm_args_consistency()'
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18049
diff
changeset
|
2528 #ifdef COMPILER1 |
| 18049 | 2529 status &= verify_interval(SafepointPollOffset, 0, os::vm_page_size() - BytesPerWord, "SafepointPollOffset"); |
|
18054
fbf689f3752e
8042603: 'SafepointPollOffset' was not declared in static member function 'static bool Arguments::check_vm_args_consistency()'
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18049
diff
changeset
|
2530 #endif |
| 18049 | 2531 |
|
20597
327c00d0f091
8042431: compiler/7200264/TestIntVect.java fails with: Test Failed: AddVI 0 < 4
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20596
diff
changeset
|
2532 int min_number_of_compiler_threads = get_min_number_of_compiler_threads(); |
|
327c00d0f091
8042431: compiler/7200264/TestIntVect.java fails with: Test Failed: AddVI 0 < 4
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|
2533 // The default CICompilerCount's value is CI_COMPILER_COUNT. |
|
327c00d0f091
8042431: compiler/7200264/TestIntVect.java fails with: Test Failed: AddVI 0 < 4
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|
2534 assert(min_number_of_compiler_threads <= CI_COMPILER_COUNT, "minimum should be less or equal default number"); |
|
327c00d0f091
8042431: compiler/7200264/TestIntVect.java fails with: Test Failed: AddVI 0 < 4
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20596
diff
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|
2535 // Check the minimum number of compiler threads |
|
327c00d0f091
8042431: compiler/7200264/TestIntVect.java fails with: Test Failed: AddVI 0 < 4
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20596
diff
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|
2536 status &=verify_min_value(CICompilerCount, min_number_of_compiler_threads, "CICompilerCount"); |
|
20593
2eda90444a0d
8034775: Failing to initialize VM when running with negative value for -XX:CICompilerCount
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diff
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|
2537 |
| 0 | 2538 return status; |
| 2539 } | |
| 2540 | |
| 2541 bool Arguments::is_bad_option(const JavaVMOption* option, jboolean ignore, | |
| 2542 const char* option_type) { | |
| 2543 if (ignore) return false; | |
| 2544 | |
| 2545 const char* spacer = " "; | |
| 2546 if (option_type == NULL) { | |
| 2547 option_type = ++spacer; // Set both to the empty string. | |
| 2548 } | |
| 2549 | |
| 2550 if (os::obsolete_option(option)) { | |
| 2551 jio_fprintf(defaultStream::error_stream(), | |
| 2552 "Obsolete %s%soption: %s\n", option_type, spacer, | |
| 2553 option->optionString); | |
| 2554 return false; | |
| 2555 } else { | |
| 2556 jio_fprintf(defaultStream::error_stream(), | |
| 2557 "Unrecognized %s%soption: %s\n", option_type, spacer, | |
| 2558 option->optionString); | |
| 2559 return true; | |
| 2560 } | |
| 2561 } | |
| 2562 | |
| 2563 static const char* user_assertion_options[] = { | |
| 2564 "-da", "-ea", "-disableassertions", "-enableassertions", 0 | |
| 2565 }; | |
| 2566 | |
| 2567 static const char* system_assertion_options[] = { | |
| 2568 "-dsa", "-esa", "-disablesystemassertions", "-enablesystemassertions", 0 | |
| 2569 }; | |
| 2570 | |
| 2571 // Return true if any of the strings in null-terminated array 'names' matches. | |
| 2572 // If tail_allowed is true, then the tail must begin with a colon; otherwise, | |
| 2573 // the option must match exactly. | |
| 2574 static bool match_option(const JavaVMOption* option, const char** names, const char** tail, | |
| 2575 bool tail_allowed) { | |
| 2576 for (/* empty */; *names != NULL; ++names) { | |
| 2577 if (match_option(option, *names, tail)) { | |
| 2578 if (**tail == '\0' || tail_allowed && **tail == ':') { | |
| 2579 return true; | |
| 2580 } | |
| 2581 } | |
| 2582 } | |
| 2583 return false; | |
| 2584 } | |
| 2585 | |
| 1284 | 2586 bool Arguments::parse_uintx(const char* value, |
| 2587 uintx* uintx_arg, | |
| 2588 uintx min_size) { | |
| 2589 | |
| 2590 // Check the sign first since atomull() parses only unsigned values. | |
| 2591 bool value_is_positive = !(*value == '-'); | |
| 2592 | |
| 2593 if (value_is_positive) { | |
| 2594 julong n; | |
| 2595 bool good_return = atomull(value, &n); | |
| 2596 if (good_return) { | |
| 2597 bool above_minimum = n >= min_size; | |
| 2598 bool value_is_too_large = n > max_uintx; | |
| 2599 | |
| 2600 if (above_minimum && !value_is_too_large) { | |
| 2601 *uintx_arg = n; | |
| 2602 return true; | |
| 2603 } | |
| 2604 } | |
| 2605 } | |
| 2606 return false; | |
| 2607 } | |
| 2608 | |
| 0 | 2609 Arguments::ArgsRange Arguments::parse_memory_size(const char* s, |
|
489
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6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
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diff
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|
2610 julong* long_arg, |
|
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6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
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diff
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|
2611 julong min_size) { |
|
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
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diff
changeset
|
2612 if (!atomull(s, long_arg)) return arg_unreadable; |
| 0 | 2613 return check_memory_size(*long_arg, min_size); |
| 2614 } | |
| 2615 | |
| 2616 // Parse JavaVMInitArgs structure | |
| 2617 | |
| 2618 jint Arguments::parse_vm_init_args(const JavaVMInitArgs* args) { | |
| 2619 // For components of the system classpath. | |
| 2620 SysClassPath scp(Arguments::get_sysclasspath()); | |
| 2621 bool scp_assembly_required = false; | |
| 2622 | |
| 2623 // Save default settings for some mode flags | |
| 2624 Arguments::_AlwaysCompileLoopMethods = AlwaysCompileLoopMethods; | |
| 2625 Arguments::_UseOnStackReplacement = UseOnStackReplacement; | |
| 2626 Arguments::_ClipInlining = ClipInlining; | |
| 2627 Arguments::_BackgroundCompilation = BackgroundCompilation; | |
| 2628 | |
|
3341
e9b8ef09622a
7041582: set_mode_flags isn't called without -Xmixed specified
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3261
diff
changeset
|
2629 // Setup flags for mixed which is the default |
|
e9b8ef09622a
7041582: set_mode_flags isn't called without -Xmixed specified
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parents:
3261
diff
changeset
|
2630 set_mode_flags(_mixed); |
|
e9b8ef09622a
7041582: set_mode_flags isn't called without -Xmixed specified
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3261
diff
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|
2631 |
| 0 | 2632 // Parse JAVA_TOOL_OPTIONS environment variable (if present) |
| 2633 jint result = parse_java_tool_options_environment_variable(&scp, &scp_assembly_required); | |
| 2634 if (result != JNI_OK) { | |
| 2635 return result; | |
| 2636 } | |
| 2637 | |
| 2638 // Parse JavaVMInitArgs structure passed in | |
|
12322
72b7e96c1922
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12269
diff
changeset
|
2639 result = parse_each_vm_init_arg(args, &scp, &scp_assembly_required, Flag::COMMAND_LINE); |
| 0 | 2640 if (result != JNI_OK) { |
| 2641 return result; | |
| 2642 } | |
| 2643 | |
| 2644 // Parse _JAVA_OPTIONS environment variable (if present) (mimics classic VM) | |
| 2645 result = parse_java_options_environment_variable(&scp, &scp_assembly_required); | |
| 2646 if (result != JNI_OK) { | |
| 2647 return result; | |
| 2648 } | |
| 2649 | |
| 2650 // Do final processing now that all arguments have been parsed | |
| 2651 result = finalize_vm_init_args(&scp, scp_assembly_required); | |
| 2652 if (result != JNI_OK) { | |
| 2653 return result; | |
| 2654 } | |
| 2655 | |
| 2656 return JNI_OK; | |
| 2657 } | |
| 2658 | |
|
10170
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
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9077
diff
changeset
|
2659 // Checks if name in command-line argument -agent{lib,path}:name[=options] |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2660 // represents a valid HPROF of JDWP agent. is_path==true denotes that we |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
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9077
diff
changeset
|
2661 // are dealing with -agentpath (case where name is a path), otherwise with |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
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9077
diff
changeset
|
2662 // -agentlib |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
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9077
diff
changeset
|
2663 bool valid_hprof_or_jdwp_agent(char *name, bool is_path) { |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
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9077
diff
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|
2664 char *_name; |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
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diff
changeset
|
2665 const char *_hprof = "hprof", *_jdwp = "jdwp"; |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
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9077
diff
changeset
|
2666 size_t _len_hprof, _len_jdwp, _len_prefix; |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2667 |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
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9077
diff
changeset
|
2668 if (is_path) { |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2669 if ((_name = strrchr(name, (int) *os::file_separator())) == NULL) { |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2670 return false; |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2671 } |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2672 |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2673 _name++; // skip past last path separator |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2674 _len_prefix = strlen(JNI_LIB_PREFIX); |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2675 |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2676 if (strncmp(_name, JNI_LIB_PREFIX, _len_prefix) != 0) { |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2677 return false; |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2678 } |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2679 |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2680 _name += _len_prefix; |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2681 _len_hprof = strlen(_hprof); |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2682 _len_jdwp = strlen(_jdwp); |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2683 |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2684 if (strncmp(_name, _hprof, _len_hprof) == 0) { |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2685 _name += _len_hprof; |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2686 } |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
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9077
diff
changeset
|
2687 else if (strncmp(_name, _jdwp, _len_jdwp) == 0) { |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
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9077
diff
changeset
|
2688 _name += _len_jdwp; |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2689 } |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
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9077
diff
changeset
|
2690 else { |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2691 return false; |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2692 } |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
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9077
diff
changeset
|
2693 |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2694 if (strcmp(_name, JNI_LIB_SUFFIX) != 0) { |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2695 return false; |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2696 } |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
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9077
diff
changeset
|
2697 |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2698 return true; |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2699 } |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
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9077
diff
changeset
|
2700 |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
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9077
diff
changeset
|
2701 if (strcmp(name, _hprof) == 0 || strcmp(name, _jdwp) == 0) { |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
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9077
diff
changeset
|
2702 return true; |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2703 } |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
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9077
diff
changeset
|
2704 |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
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9077
diff
changeset
|
2705 return false; |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
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9077
diff
changeset
|
2706 } |
|
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9077
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|
2707 |
| 0 | 2708 jint Arguments::parse_each_vm_init_arg(const JavaVMInitArgs* args, |
| 2709 SysClassPath* scp_p, | |
| 2710 bool* scp_assembly_required_p, | |
|
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12269
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|
2711 Flag::Flags origin) { |
| 0 | 2712 // Remaining part of option string |
| 2713 const char* tail; | |
| 2714 | |
| 2715 // iterate over arguments | |
| 2716 for (int index = 0; index < args->nOptions; index++) { | |
| 2717 bool is_absolute_path = false; // for -agentpath vs -agentlib | |
| 2718 | |
| 2719 const JavaVMOption* option = args->options + index; | |
| 2720 | |
| 2721 if (!match_option(option, "-Djava.class.path", &tail) && | |
| 2722 !match_option(option, "-Dsun.java.command", &tail) && | |
| 2723 !match_option(option, "-Dsun.java.launcher", &tail)) { | |
| 2724 | |
| 2725 // add all jvm options to the jvm_args string. This string | |
| 2726 // is used later to set the java.vm.args PerfData string constant. | |
| 2727 // the -Djava.class.path and the -Dsun.java.command options are | |
| 2728 // omitted from jvm_args string as each have their own PerfData | |
| 2729 // string constant object. | |
| 2730 build_jvm_args(option->optionString); | |
| 2731 } | |
| 2732 | |
| 2733 // -verbose:[class/gc/jni] | |
| 2734 if (match_option(option, "-verbose", &tail)) { | |
| 2735 if (!strcmp(tail, ":class") || !strcmp(tail, "")) { | |
| 2736 FLAG_SET_CMDLINE(bool, TraceClassLoading, true); | |
| 2737 FLAG_SET_CMDLINE(bool, TraceClassUnloading, true); | |
| 2738 } else if (!strcmp(tail, ":gc")) { | |
| 2739 FLAG_SET_CMDLINE(bool, PrintGC, true); | |
| 2740 } else if (!strcmp(tail, ":jni")) { | |
| 2741 FLAG_SET_CMDLINE(bool, PrintJNIResolving, true); | |
| 2742 } | |
| 2743 // -da / -ea / -disableassertions / -enableassertions | |
| 2744 // These accept an optional class/package name separated by a colon, e.g., | |
| 2745 // -da:java.lang.Thread. | |
| 2746 } else if (match_option(option, user_assertion_options, &tail, true)) { | |
| 2747 bool enable = option->optionString[1] == 'e'; // char after '-' is 'e' | |
| 2748 if (*tail == '\0') { | |
| 2749 JavaAssertions::setUserClassDefault(enable); | |
| 2750 } else { | |
| 2751 assert(*tail == ':', "bogus match by match_option()"); | |
| 2752 JavaAssertions::addOption(tail + 1, enable); | |
| 2753 } | |
| 2754 // -dsa / -esa / -disablesystemassertions / -enablesystemassertions | |
| 2755 } else if (match_option(option, system_assertion_options, &tail, false)) { | |
| 2756 bool enable = option->optionString[1] == 'e'; // char after '-' is 'e' | |
| 2757 JavaAssertions::setSystemClassDefault(enable); | |
| 2758 // -bootclasspath: | |
| 2759 } else if (match_option(option, "-Xbootclasspath:", &tail)) { | |
| 2760 scp_p->reset_path(tail); | |
| 2761 *scp_assembly_required_p = true; | |
| 2762 // -bootclasspath/a: | |
| 2763 } else if (match_option(option, "-Xbootclasspath/a:", &tail)) { | |
| 2764 scp_p->add_suffix(tail); | |
| 2765 *scp_assembly_required_p = true; | |
| 2766 // -bootclasspath/p: | |
| 2767 } else if (match_option(option, "-Xbootclasspath/p:", &tail)) { | |
| 2768 scp_p->add_prefix(tail); | |
| 2769 *scp_assembly_required_p = true; | |
| 2770 // -Xrun | |
| 2771 } else if (match_option(option, "-Xrun", &tail)) { | |
|
531
40ee984935b9
6792705: Add JAR file to bootclasspath when using AggressiveOpts
phh
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513
diff
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|
2772 if (tail != NULL) { |
| 0 | 2773 const char* pos = strchr(tail, ':'); |
| 2774 size_t len = (pos == NULL) ? strlen(tail) : pos - tail; | |
| 6197 | 2775 char* name = (char*)memcpy(NEW_C_HEAP_ARRAY(char, len + 1, mtInternal), tail, len); |
| 0 | 2776 name[len] = '\0'; |
| 2777 | |
| 2778 char *options = NULL; | |
| 2779 if(pos != NULL) { | |
| 2780 size_t len2 = strlen(pos+1) + 1; // options start after ':'. Final zero must be copied. | |
| 6197 | 2781 options = (char*)memcpy(NEW_C_HEAP_ARRAY(char, len2, mtInternal), pos+1, len2); |
| 0 | 2782 } |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2783 #if !INCLUDE_JVMTI |
| 0 | 2784 if ((strcmp(name, "hprof") == 0) || (strcmp(name, "jdwp") == 0)) { |
|
8720
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
2785 jio_fprintf(defaultStream::error_stream(), |
|
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
2786 "Profiling and debugging agents are not supported in this VM\n"); |
|
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
2787 return JNI_ERR; |
|
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
2788 } |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2789 #endif // !INCLUDE_JVMTI |
|
12739
b699233403ad
Delegate hprof enabled information from hotspot to graal
Christos Kotselidis <christos.kotselidis@oracle.com>
parents:
12490
diff
changeset
|
2790 #if defined(GRAAL) |
|
b699233403ad
Delegate hprof enabled information from hotspot to graal
Christos Kotselidis <christos.kotselidis@oracle.com>
parents:
12490
diff
changeset
|
2791 if (strcmp(name, "hprof") == 0) { |
|
b699233403ad
Delegate hprof enabled information from hotspot to graal
Christos Kotselidis <christos.kotselidis@oracle.com>
parents:
12490
diff
changeset
|
2792 FLAG_SET_CMDLINE(bool, GraalHProfEnabled, true); |
|
b699233403ad
Delegate hprof enabled information from hotspot to graal
Christos Kotselidis <christos.kotselidis@oracle.com>
parents:
12490
diff
changeset
|
2793 } |
|
b699233403ad
Delegate hprof enabled information from hotspot to graal
Christos Kotselidis <christos.kotselidis@oracle.com>
parents:
12490
diff
changeset
|
2794 #endif |
|
8720
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
2795 add_init_library(name, options); |
| 0 | 2796 } |
| 2797 // -agentlib and -agentpath | |
| 2798 } else if (match_option(option, "-agentlib:", &tail) || | |
| 2799 (is_absolute_path = match_option(option, "-agentpath:", &tail))) { | |
| 2800 if(tail != NULL) { | |
| 2801 const char* pos = strchr(tail, '='); | |
| 2802 size_t len = (pos == NULL) ? strlen(tail) : pos - tail; | |
| 6197 | 2803 char* name = strncpy(NEW_C_HEAP_ARRAY(char, len + 1, mtInternal), tail, len); |
| 0 | 2804 name[len] = '\0'; |
| 2805 | |
| 2806 char *options = NULL; | |
| 2807 if(pos != NULL) { | |
| 6197 | 2808 options = strcpy(NEW_C_HEAP_ARRAY(char, strlen(pos + 1) + 1, mtInternal), pos + 1); |
| 0 | 2809 } |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2810 #if !INCLUDE_JVMTI |
|
10170
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2811 if (valid_hprof_or_jdwp_agent(name, is_absolute_path)) { |
|
8720
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
2812 jio_fprintf(defaultStream::error_stream(), |
|
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
2813 "Profiling and debugging agents are not supported in this VM\n"); |
|
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
2814 return JNI_ERR; |
|
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
2815 } |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2816 #endif // !INCLUDE_JVMTI |
|
12739
b699233403ad
Delegate hprof enabled information from hotspot to graal
Christos Kotselidis <christos.kotselidis@oracle.com>
parents:
12490
diff
changeset
|
2817 #if defined(GRAAL) |
|
b699233403ad
Delegate hprof enabled information from hotspot to graal
Christos Kotselidis <christos.kotselidis@oracle.com>
parents:
12490
diff
changeset
|
2818 if (valid_hprof_or_jdwp_agent(name, is_absolute_path)) { |
|
b699233403ad
Delegate hprof enabled information from hotspot to graal
Christos Kotselidis <christos.kotselidis@oracle.com>
parents:
12490
diff
changeset
|
2819 FLAG_SET_CMDLINE(bool, GraalHProfEnabled, true); |
|
b699233403ad
Delegate hprof enabled information from hotspot to graal
Christos Kotselidis <christos.kotselidis@oracle.com>
parents:
12490
diff
changeset
|
2820 } |
|
b699233403ad
Delegate hprof enabled information from hotspot to graal
Christos Kotselidis <christos.kotselidis@oracle.com>
parents:
12490
diff
changeset
|
2821 #endif |
|
b699233403ad
Delegate hprof enabled information from hotspot to graal
Christos Kotselidis <christos.kotselidis@oracle.com>
parents:
12490
diff
changeset
|
2822 |
| 0 | 2823 add_init_agent(name, options, is_absolute_path); |
| 2824 } | |
| 2825 // -javaagent | |
| 2826 } else if (match_option(option, "-javaagent:", &tail)) { | |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2827 #if !INCLUDE_JVMTI |
|
8720
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
2828 jio_fprintf(defaultStream::error_stream(), |
|
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
2829 "Instrumentation agents are not supported in this VM\n"); |
|
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
2830 return JNI_ERR; |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2831 #else |
| 0 | 2832 if(tail != NULL) { |
| 6197 | 2833 char *options = strcpy(NEW_C_HEAP_ARRAY(char, strlen(tail) + 1, mtInternal), tail); |
| 0 | 2834 add_init_agent("instrument", options, false); |
| 2835 } | |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2836 #endif // !INCLUDE_JVMTI |
| 0 | 2837 // -Xnoclassgc |
| 2838 } else if (match_option(option, "-Xnoclassgc", &tail)) { | |
| 2839 FLAG_SET_CMDLINE(bool, ClassUnloading, false); | |
| 2840 // -Xincgc: i-CMS | |
| 2841 } else if (match_option(option, "-Xincgc", &tail)) { | |
| 2842 FLAG_SET_CMDLINE(bool, UseConcMarkSweepGC, true); | |
| 2843 FLAG_SET_CMDLINE(bool, CMSIncrementalMode, true); | |
| 2844 // -Xnoincgc: no i-CMS | |
| 2845 } else if (match_option(option, "-Xnoincgc", &tail)) { | |
| 2846 FLAG_SET_CMDLINE(bool, UseConcMarkSweepGC, false); | |
| 2847 FLAG_SET_CMDLINE(bool, CMSIncrementalMode, false); | |
| 2848 // -Xconcgc | |
| 2849 } else if (match_option(option, "-Xconcgc", &tail)) { | |
| 2850 FLAG_SET_CMDLINE(bool, UseConcMarkSweepGC, true); | |
| 2851 // -Xnoconcgc | |
| 2852 } else if (match_option(option, "-Xnoconcgc", &tail)) { | |
| 2853 FLAG_SET_CMDLINE(bool, UseConcMarkSweepGC, false); | |
| 2854 // -Xbatch | |
| 2855 } else if (match_option(option, "-Xbatch", &tail)) { | |
| 2856 FLAG_SET_CMDLINE(bool, BackgroundCompilation, false); | |
| 2857 // -Xmn for compatibility with other JVM vendors | |
| 2858 } else if (match_option(option, "-Xmn", &tail)) { | |
| 12831 | 2859 julong long_initial_young_size = 0; |
| 2860 ArgsRange errcode = parse_memory_size(tail, &long_initial_young_size, 1); | |
| 0 | 2861 if (errcode != arg_in_range) { |
| 2862 jio_fprintf(defaultStream::error_stream(), | |
| 12831 | 2863 "Invalid initial young generation size: %s\n", option->optionString); |
| 0 | 2864 describe_range_error(errcode); |
| 2865 return JNI_EINVAL; | |
| 2866 } | |
| 12831 | 2867 FLAG_SET_CMDLINE(uintx, MaxNewSize, (uintx)long_initial_young_size); |
| 2868 FLAG_SET_CMDLINE(uintx, NewSize, (uintx)long_initial_young_size); | |
| 0 | 2869 // -Xms |
| 2870 } else if (match_option(option, "-Xms", &tail)) { | |
|
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
2871 julong long_initial_heap_size = 0; |
|
10241
d17700c82d7d
8006088: Incompatible heap size flags accepted by VM
tschatzl
parents:
10240
diff
changeset
|
2872 // an initial heap size of 0 means automatically determine |
|
d17700c82d7d
8006088: Incompatible heap size flags accepted by VM
tschatzl
parents:
10240
diff
changeset
|
2873 ArgsRange errcode = parse_memory_size(tail, &long_initial_heap_size, 0); |
| 0 | 2874 if (errcode != arg_in_range) { |
| 2875 jio_fprintf(defaultStream::error_stream(), | |
| 2876 "Invalid initial heap size: %s\n", option->optionString); | |
| 2877 describe_range_error(errcode); | |
| 2878 return JNI_EINVAL; | |
| 2879 } | |
|
13059
46d7652b223c
8026853: Prepare GC code for collector policy regression fix
jwilhelm
parents:
13008
diff
changeset
|
2880 set_min_heap_size((uintx)long_initial_heap_size); |
| 0 | 2881 // Currently the minimum size and the initial heap sizes are the same. |
|
13059
46d7652b223c
8026853: Prepare GC code for collector policy regression fix
jwilhelm
parents:
13008
diff
changeset
|
2882 // Can be overridden with -XX:InitialHeapSize. |
|
46d7652b223c
8026853: Prepare GC code for collector policy regression fix
jwilhelm
parents:
13008
diff
changeset
|
2883 FLAG_SET_CMDLINE(uintx, InitialHeapSize, (uintx)long_initial_heap_size); |
| 0 | 2884 // -Xmx |
|
10241
d17700c82d7d
8006088: Incompatible heap size flags accepted by VM
tschatzl
parents:
10240
diff
changeset
|
2885 } else if (match_option(option, "-Xmx", &tail) || match_option(option, "-XX:MaxHeapSize=", &tail)) { |
|
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
2886 julong long_max_heap_size = 0; |
| 0 | 2887 ArgsRange errcode = parse_memory_size(tail, &long_max_heap_size, 1); |
| 2888 if (errcode != arg_in_range) { | |
| 2889 jio_fprintf(defaultStream::error_stream(), | |
| 2890 "Invalid maximum heap size: %s\n", option->optionString); | |
| 2891 describe_range_error(errcode); | |
| 2892 return JNI_EINVAL; | |
| 2893 } | |
| 1064 | 2894 FLAG_SET_CMDLINE(uintx, MaxHeapSize, (uintx)long_max_heap_size); |
| 0 | 2895 // Xmaxf |
| 2896 } else if (match_option(option, "-Xmaxf", &tail)) { | |
|
12896
027006a47a6d
8025661: Ill-formed -Xminf and -Xmaxf options values interpreted as 0
sjohanss
parents:
12840
diff
changeset
|
2897 char* err; |
|
027006a47a6d
8025661: Ill-formed -Xminf and -Xmaxf options values interpreted as 0
sjohanss
parents:
12840
diff
changeset
|
2898 int maxf = (int)(strtod(tail, &err) * 100); |
|
17648
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14260
diff
changeset
|
2899 if (*err != '\0' || *tail == '\0' || maxf < 0 || maxf > 100) { |
| 0 | 2900 jio_fprintf(defaultStream::error_stream(), |
| 2901 "Bad max heap free percentage size: %s\n", | |
| 2902 option->optionString); | |
| 2903 return JNI_EINVAL; | |
| 2904 } else { | |
| 2905 FLAG_SET_CMDLINE(uintx, MaxHeapFreeRatio, maxf); | |
| 2906 } | |
| 2907 // Xminf | |
| 2908 } else if (match_option(option, "-Xminf", &tail)) { | |
|
12896
027006a47a6d
8025661: Ill-formed -Xminf and -Xmaxf options values interpreted as 0
sjohanss
parents:
12840
diff
changeset
|
2909 char* err; |
|
027006a47a6d
8025661: Ill-formed -Xminf and -Xmaxf options values interpreted as 0
sjohanss
parents:
12840
diff
changeset
|
2910 int minf = (int)(strtod(tail, &err) * 100); |
|
17648
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14260
diff
changeset
|
2911 if (*err != '\0' || *tail == '\0' || minf < 0 || minf > 100) { |
| 0 | 2912 jio_fprintf(defaultStream::error_stream(), |
| 2913 "Bad min heap free percentage size: %s\n", | |
| 2914 option->optionString); | |
| 2915 return JNI_EINVAL; | |
| 2916 } else { | |
| 2917 FLAG_SET_CMDLINE(uintx, MinHeapFreeRatio, minf); | |
| 2918 } | |
| 2919 // -Xss | |
| 2920 } else if (match_option(option, "-Xss", &tail)) { | |
|
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
2921 julong long_ThreadStackSize = 0; |
| 0 | 2922 ArgsRange errcode = parse_memory_size(tail, &long_ThreadStackSize, 1000); |
| 2923 if (errcode != arg_in_range) { | |
| 2924 jio_fprintf(defaultStream::error_stream(), | |
| 2925 "Invalid thread stack size: %s\n", option->optionString); | |
| 2926 describe_range_error(errcode); | |
| 2927 return JNI_EINVAL; | |
| 2928 } | |
| 2929 // Internally track ThreadStackSize in units of 1024 bytes. | |
| 2930 FLAG_SET_CMDLINE(intx, ThreadStackSize, | |
| 2931 round_to((int)long_ThreadStackSize, K) / K); | |
| 2932 // -Xoss | |
| 2933 } else if (match_option(option, "-Xoss", &tail)) { | |
| 2934 // HotSpot does not have separate native and Java stacks, ignore silently for compatibility | |
|
11079
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2935 } else if (match_option(option, "-XX:CodeCacheExpansionSize=", &tail)) { |
|
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2936 julong long_CodeCacheExpansionSize = 0; |
|
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2937 ArgsRange errcode = parse_memory_size(tail, &long_CodeCacheExpansionSize, os::vm_page_size()); |
|
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2938 if (errcode != arg_in_range) { |
|
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2939 jio_fprintf(defaultStream::error_stream(), |
|
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2940 "Invalid argument: %s. Must be at least %luK.\n", option->optionString, |
|
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2941 os::vm_page_size()/K); |
|
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2942 return JNI_EINVAL; |
|
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2943 } |
|
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2944 FLAG_SET_CMDLINE(uintx, CodeCacheExpansionSize, (uintx)long_CodeCacheExpansionSize); |
|
2095
36c186bcc085
6302804: Hotspot VM dies ungraceful death when C heap is exhausted in various places.
coleenp
parents:
2002
diff
changeset
|
2945 } else if (match_option(option, "-Xmaxjitcodesize", &tail) || |
|
36c186bcc085
6302804: Hotspot VM dies ungraceful death when C heap is exhausted in various places.
coleenp
parents:
2002
diff
changeset
|
2946 match_option(option, "-XX:ReservedCodeCacheSize=", &tail)) { |
|
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
2947 julong long_ReservedCodeCacheSize = 0; |
|
11079
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2948 |
|
10392
c07dd9be16e8
8013496: Code cache management command line options work only in special order. Another order of arguments does not deliver the second parameter to the jvm.
anoll
parents:
10319
diff
changeset
|
2949 ArgsRange errcode = parse_memory_size(tail, &long_ReservedCodeCacheSize, 1); |
| 0 | 2950 if (errcode != arg_in_range) { |
| 2951 jio_fprintf(defaultStream::error_stream(), | |
|
10392
c07dd9be16e8
8013496: Code cache management command line options work only in special order. Another order of arguments does not deliver the second parameter to the jvm.
anoll
parents:
10319
diff
changeset
|
2952 "Invalid maximum code cache size: %s.\n", option->optionString); |
| 0 | 2953 return JNI_EINVAL; |
| 2954 } | |
| 2955 FLAG_SET_CMDLINE(uintx, ReservedCodeCacheSize, (uintx)long_ReservedCodeCacheSize); | |
|
10319
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
parents:
10294
diff
changeset
|
2956 //-XX:IncreaseFirstTierCompileThresholdAt= |
|
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
parents:
10294
diff
changeset
|
2957 } else if (match_option(option, "-XX:IncreaseFirstTierCompileThresholdAt=", &tail)) { |
|
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
parents:
10294
diff
changeset
|
2958 uintx uint_IncreaseFirstTierCompileThresholdAt = 0; |
|
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
parents:
10294
diff
changeset
|
2959 if (!parse_uintx(tail, &uint_IncreaseFirstTierCompileThresholdAt, 0) || uint_IncreaseFirstTierCompileThresholdAt > 99) { |
|
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
parents:
10294
diff
changeset
|
2960 jio_fprintf(defaultStream::error_stream(), |
|
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
parents:
10294
diff
changeset
|
2961 "Invalid value for IncreaseFirstTierCompileThresholdAt: %s. Should be between 0 and 99.\n", |
|
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
parents:
10294
diff
changeset
|
2962 option->optionString); |
|
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
parents:
10294
diff
changeset
|
2963 return JNI_EINVAL; |
|
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
parents:
10294
diff
changeset
|
2964 } |
|
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
parents:
10294
diff
changeset
|
2965 FLAG_SET_CMDLINE(uintx, IncreaseFirstTierCompileThresholdAt, (uintx)uint_IncreaseFirstTierCompileThresholdAt); |
| 0 | 2966 // -green |
| 2967 } else if (match_option(option, "-green", &tail)) { | |
| 2968 jio_fprintf(defaultStream::error_stream(), | |
| 2969 "Green threads support not available\n"); | |
| 2970 return JNI_EINVAL; | |
| 2971 // -native | |
| 2972 } else if (match_option(option, "-native", &tail)) { | |
| 2973 // HotSpot always uses native threads, ignore silently for compatibility | |
| 2974 // -Xsqnopause | |
| 2975 } else if (match_option(option, "-Xsqnopause", &tail)) { | |
| 2976 // EVM option, ignore silently for compatibility | |
| 2977 // -Xrs | |
| 2978 } else if (match_option(option, "-Xrs", &tail)) { | |
| 2979 // Classic/EVM option, new functionality | |
| 2980 FLAG_SET_CMDLINE(bool, ReduceSignalUsage, true); | |
| 2981 } else if (match_option(option, "-Xusealtsigs", &tail)) { | |
| 2982 // change default internal VM signals used - lower case for back compat | |
| 2983 FLAG_SET_CMDLINE(bool, UseAltSigs, true); | |
| 2984 // -Xoptimize | |
| 2985 } else if (match_option(option, "-Xoptimize", &tail)) { | |
| 2986 // EVM option, ignore silently for compatibility | |
| 2987 // -Xprof | |
| 2988 } else if (match_option(option, "-Xprof", &tail)) { | |
|
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2989 #if INCLUDE_FPROF |
| 0 | 2990 _has_profile = true; |
|
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2991 #else // INCLUDE_FPROF |
|
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2992 jio_fprintf(defaultStream::error_stream(), |
|
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2993 "Flat profiling is not supported in this VM.\n"); |
|
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|
2994 return JNI_ERR; |
|
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|
2995 #endif // INCLUDE_FPROF |
| 0 | 2996 // -Xconcurrentio |
| 2997 } else if (match_option(option, "-Xconcurrentio", &tail)) { | |
| 2998 FLAG_SET_CMDLINE(bool, UseLWPSynchronization, true); | |
| 2999 FLAG_SET_CMDLINE(bool, BackgroundCompilation, false); | |
| 3000 FLAG_SET_CMDLINE(intx, DeferThrSuspendLoopCount, 1); | |
| 3001 FLAG_SET_CMDLINE(bool, UseTLAB, false); | |
| 3002 FLAG_SET_CMDLINE(uintx, NewSizeThreadIncrease, 16 * K); // 20Kb per thread added to new generation | |
| 3003 | |
| 3004 // -Xinternalversion | |
| 3005 } else if (match_option(option, "-Xinternalversion", &tail)) { | |
| 3006 jio_fprintf(defaultStream::output_stream(), "%s\n", | |
| 3007 VM_Version::internal_vm_info_string()); | |
| 3008 vm_exit(0); | |
| 3009 #ifndef PRODUCT | |
| 3010 // -Xprintflags | |
| 3011 } else if (match_option(option, "-Xprintflags", &tail)) { | |
| 4773 | 3012 CommandLineFlags::printFlags(tty, false); |
| 0 | 3013 vm_exit(0); |
| 3014 #endif | |
| 3015 // -D | |
| 3016 } else if (match_option(option, "-D", &tail)) { | |
|
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|
3017 if (CheckEndorsedAndExtDirs) { |
|
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|
3018 if (match_option(option, "-Djava.endorsed.dirs=", &tail)) { |
|
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|
3019 // abort if -Djava.endorsed.dirs is set |
|
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|
3020 jio_fprintf(defaultStream::output_stream(), |
|
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|
3021 "-Djava.endorsed.dirs will not be supported in a future release.\n" |
|
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|
3022 "Refer to JEP 220 for details (http://openjdk.java.net/jeps/220).\n"); |
|
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|
3023 return JNI_EINVAL; |
|
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|
3024 } |
|
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|
3025 if (match_option(option, "-Djava.ext.dirs=", &tail)) { |
|
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|
3026 // abort if -Djava.ext.dirs is set |
|
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|
3027 jio_fprintf(defaultStream::output_stream(), |
|
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|
3028 "-Djava.ext.dirs will not be supported in a future release.\n" |
|
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|
3029 "Refer to JEP 220 for details (http://openjdk.java.net/jeps/220).\n"); |
|
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|
3030 return JNI_EINVAL; |
|
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|
3031 } |
|
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|
3032 } |
|
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|
3033 |
| 0 | 3034 if (!add_property(tail)) { |
| 3035 return JNI_ENOMEM; | |
| 3036 } | |
| 3037 // Out of the box management support | |
| 3038 if (match_option(option, "-Dcom.sun.management", &tail)) { | |
|
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|
3039 #if INCLUDE_MANAGEMENT |
| 0 | 3040 FLAG_SET_CMDLINE(bool, ManagementServer, true); |
|
8081
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|
3041 #else |
|
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3042 jio_fprintf(defaultStream::output_stream(), |
|
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|
3043 "-Dcom.sun.management is not supported in this VM.\n"); |
|
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|
3044 return JNI_ERR; |
|
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|
3045 #endif |
| 0 | 3046 } |
| 3047 // -Xint | |
| 3048 } else if (match_option(option, "-Xint", &tail)) { | |
| 3049 set_mode_flags(_int); | |
| 3050 // -Xmixed | |
| 3051 } else if (match_option(option, "-Xmixed", &tail)) { | |
| 3052 set_mode_flags(_mixed); | |
| 3053 // -Xcomp | |
| 3054 } else if (match_option(option, "-Xcomp", &tail)) { | |
| 3055 // for testing the compiler; turn off all flags that inhibit compilation | |
| 3056 set_mode_flags(_comp); | |
| 3057 // -Xshare:dump | |
| 3058 } else if (match_option(option, "-Xshare:dump", &tail)) { | |
| 3059 FLAG_SET_CMDLINE(bool, DumpSharedSpaces, true); | |
| 3060 set_mode_flags(_int); // Prevent compilation, which creates objects | |
| 3061 // -Xshare:on | |
| 3062 } else if (match_option(option, "-Xshare:on", &tail)) { | |
| 3063 FLAG_SET_CMDLINE(bool, UseSharedSpaces, true); | |
| 3064 FLAG_SET_CMDLINE(bool, RequireSharedSpaces, true); | |
| 3065 // -Xshare:auto | |
| 3066 } else if (match_option(option, "-Xshare:auto", &tail)) { | |
| 3067 FLAG_SET_CMDLINE(bool, UseSharedSpaces, true); | |
| 3068 FLAG_SET_CMDLINE(bool, RequireSharedSpaces, false); | |
| 3069 // -Xshare:off | |
| 3070 } else if (match_option(option, "-Xshare:off", &tail)) { | |
| 3071 FLAG_SET_CMDLINE(bool, UseSharedSpaces, false); | |
| 3072 FLAG_SET_CMDLINE(bool, RequireSharedSpaces, false); | |
| 3073 // -Xverify | |
| 3074 } else if (match_option(option, "-Xverify", &tail)) { | |
| 3075 if (strcmp(tail, ":all") == 0 || strcmp(tail, "") == 0) { | |
| 3076 FLAG_SET_CMDLINE(bool, BytecodeVerificationLocal, true); | |
| 3077 FLAG_SET_CMDLINE(bool, BytecodeVerificationRemote, true); | |
| 3078 } else if (strcmp(tail, ":remote") == 0) { | |
| 3079 FLAG_SET_CMDLINE(bool, BytecodeVerificationLocal, false); | |
| 3080 FLAG_SET_CMDLINE(bool, BytecodeVerificationRemote, true); | |
| 3081 } else if (strcmp(tail, ":none") == 0) { | |
| 3082 FLAG_SET_CMDLINE(bool, BytecodeVerificationLocal, false); | |
| 3083 FLAG_SET_CMDLINE(bool, BytecodeVerificationRemote, false); | |
| 3084 } else if (is_bad_option(option, args->ignoreUnrecognized, "verification")) { | |
| 3085 return JNI_EINVAL; | |
| 3086 } | |
| 3087 // -Xdebug | |
| 3088 } else if (match_option(option, "-Xdebug", &tail)) { | |
| 3089 // note this flag has been used, then ignore | |
| 3090 set_xdebug_mode(true); | |
| 3091 // -Xnoagent | |
| 3092 } else if (match_option(option, "-Xnoagent", &tail)) { | |
| 3093 // For compatibility with classic. HotSpot refuses to load the old style agent.dll. | |
| 3094 } else if (match_option(option, "-Xboundthreads", &tail)) { | |
| 3095 // Bind user level threads to kernel threads (Solaris only) | |
| 3096 FLAG_SET_CMDLINE(bool, UseBoundThreads, true); | |
| 3097 } else if (match_option(option, "-Xloggc:", &tail)) { | |
| 3098 // Redirect GC output to the file. -Xloggc:<filename> | |
| 3099 // ostream_init_log(), when called will use this filename | |
| 3100 // to initialize a fileStream. | |
| 3101 _gc_log_filename = strdup(tail); | |
| 12215 | 3102 if (!is_filename_valid(_gc_log_filename)) { |
| 3103 jio_fprintf(defaultStream::output_stream(), | |
| 3104 "Invalid file name for use with -Xloggc: Filename can only contain the " | |
| 3105 "characters [A-Z][a-z][0-9]-_.%%[p|t] but it has been %s\n" | |
| 3106 "Note %%p or %%t can only be used once\n", _gc_log_filename); | |
| 3107 return JNI_EINVAL; | |
| 3108 } | |
| 0 | 3109 FLAG_SET_CMDLINE(bool, PrintGC, true); |
| 3110 FLAG_SET_CMDLINE(bool, PrintGCTimeStamps, true); | |
| 3111 | |
| 3112 // JNI hooks | |
| 3113 } else if (match_option(option, "-Xcheck", &tail)) { | |
| 3114 if (!strcmp(tail, ":jni")) { | |
|
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|
3115 #if !INCLUDE_JNI_CHECK |
|
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|
3116 warning("JNI CHECKING is not supported in this VM"); |
|
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|
3117 #else |
| 0 | 3118 CheckJNICalls = true; |
|
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|
3119 #endif // INCLUDE_JNI_CHECK |
| 0 | 3120 } else if (is_bad_option(option, args->ignoreUnrecognized, |
| 3121 "check")) { | |
| 3122 return JNI_EINVAL; | |
| 3123 } | |
| 3124 } else if (match_option(option, "vfprintf", &tail)) { | |
| 3125 _vfprintf_hook = CAST_TO_FN_PTR(vfprintf_hook_t, option->extraInfo); | |
| 3126 } else if (match_option(option, "exit", &tail)) { | |
| 3127 _exit_hook = CAST_TO_FN_PTR(exit_hook_t, option->extraInfo); | |
| 3128 } else if (match_option(option, "abort", &tail)) { | |
| 3129 _abort_hook = CAST_TO_FN_PTR(abort_hook_t, option->extraInfo); | |
| 3130 // -XX:+AggressiveHeap | |
| 3131 } else if (match_option(option, "-XX:+AggressiveHeap", &tail)) { | |
| 3132 | |
| 3133 // This option inspects the machine and attempts to set various | |
| 3134 // parameters to be optimal for long-running, memory allocation | |
| 3135 // intensive jobs. It is intended for machines with large | |
| 3136 // amounts of cpu and memory. | |
| 3137 | |
| 3138 // initHeapSize is needed since _initial_heap_size is 4 bytes on a 32 bit | |
| 3139 // VM, but we may not be able to represent the total physical memory | |
| 3140 // available (like having 8gb of memory on a box but using a 32bit VM). | |
| 3141 // Thus, we need to make sure we're using a julong for intermediate | |
| 3142 // calculations. | |
| 3143 julong initHeapSize; | |
| 3144 julong total_memory = os::physical_memory(); | |
| 3145 | |
| 3146 if (total_memory < (julong)256*M) { | |
| 3147 jio_fprintf(defaultStream::error_stream(), | |
| 3148 "You need at least 256mb of memory to use -XX:+AggressiveHeap\n"); | |
| 3149 vm_exit(1); | |
| 3150 } | |
| 3151 | |
| 3152 // The heap size is half of available memory, or (at most) | |
| 3153 // all of possible memory less 160mb (leaving room for the OS | |
| 3154 // when using ISM). This is the maximum; because adaptive sizing | |
| 3155 // is turned on below, the actual space used may be smaller. | |
| 3156 | |
| 3157 initHeapSize = MIN2(total_memory / (julong)2, | |
| 3158 total_memory - (julong)160*M); | |
| 3159 | |
|
8854
754c24457b20
7112912: Message "Error occurred during initialization of VM" on boxes with lots of RAM
tschatzl
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8824
diff
changeset
|
3160 initHeapSize = limit_by_allocatable_memory(initHeapSize); |
| 0 | 3161 |
| 3162 if (FLAG_IS_DEFAULT(MaxHeapSize)) { | |
| 3163 FLAG_SET_CMDLINE(uintx, MaxHeapSize, initHeapSize); | |
| 1064 | 3164 FLAG_SET_CMDLINE(uintx, InitialHeapSize, initHeapSize); |
| 0 | 3165 // Currently the minimum size and the initial heap sizes are the same. |
| 1064 | 3166 set_min_heap_size(initHeapSize); |
| 0 | 3167 } |
| 3168 if (FLAG_IS_DEFAULT(NewSize)) { | |
| 3169 // Make the young generation 3/8ths of the total heap. | |
| 3170 FLAG_SET_CMDLINE(uintx, NewSize, | |
| 3171 ((julong)MaxHeapSize / (julong)8) * (julong)3); | |
| 3172 FLAG_SET_CMDLINE(uintx, MaxNewSize, NewSize); | |
| 3173 } | |
| 3174 | |
|
6917
e81fbc04a942
7191817: -XX:+UseSerialGC -XX:+UseLargePages crashes with SIGFPE on MacOS X
coleenp
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6916
diff
changeset
|
3175 #ifndef _ALLBSD_SOURCE // UseLargePages is not yet supported on BSD. |
| 0 | 3176 FLAG_SET_DEFAULT(UseLargePages, true); |
|
6917
e81fbc04a942
7191817: -XX:+UseSerialGC -XX:+UseLargePages crashes with SIGFPE on MacOS X
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6916
diff
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|
3177 #endif |
| 0 | 3178 |
| 3179 // Increase some data structure sizes for efficiency | |
| 3180 FLAG_SET_CMDLINE(uintx, BaseFootPrintEstimate, MaxHeapSize); | |
| 3181 FLAG_SET_CMDLINE(bool, ResizeTLAB, false); | |
| 3182 FLAG_SET_CMDLINE(uintx, TLABSize, 256*K); | |
| 3183 | |
| 3184 // See the OldPLABSize comment below, but replace 'after promotion' | |
| 3185 // with 'after copying'. YoungPLABSize is the size of the survivor | |
| 3186 // space per-gc-thread buffers. The default is 4kw. | |
| 3187 FLAG_SET_CMDLINE(uintx, YoungPLABSize, 256*K); // Note: this is in words | |
| 3188 | |
| 3189 // OldPLABSize is the size of the buffers in the old gen that | |
| 3190 // UseParallelGC uses to promote live data that doesn't fit in the | |
| 3191 // survivor spaces. At any given time, there's one for each gc thread. | |
| 3192 // The default size is 1kw. These buffers are rarely used, since the | |
| 3193 // survivor spaces are usually big enough. For specjbb, however, there | |
| 3194 // are occasions when there's lots of live data in the young gen | |
| 3195 // and we end up promoting some of it. We don't have a definite | |
| 3196 // explanation for why bumping OldPLABSize helps, but the theory | |
| 3197 // is that a bigger PLAB results in retaining something like the | |
| 3198 // original allocation order after promotion, which improves mutator | |
| 3199 // locality. A minor effect may be that larger PLABs reduce the | |
| 3200 // number of PLAB allocation events during gc. The value of 8kw | |
| 3201 // was arrived at by experimenting with specjbb. | |
| 3202 FLAG_SET_CMDLINE(uintx, OldPLABSize, 8*K); // Note: this is in words | |
| 3203 | |
| 3204 // Enable parallel GC and adaptive generation sizing | |
| 3205 FLAG_SET_CMDLINE(bool, UseParallelGC, true); | |
|
10
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diff
changeset
|
3206 FLAG_SET_DEFAULT(ParallelGCThreads, |
|
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
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diff
changeset
|
3207 Abstract_VM_Version::parallel_worker_threads()); |
| 0 | 3208 |
| 3209 // Encourage steady state memory management | |
| 3210 FLAG_SET_CMDLINE(uintx, ThresholdTolerance, 100); | |
| 3211 | |
| 3212 // This appears to improve mutator locality | |
| 3213 FLAG_SET_CMDLINE(bool, ScavengeBeforeFullGC, false); | |
| 3214 | |
| 3215 // Get around early Solaris scheduling bug | |
| 3216 // (affinity vs other jobs on system) | |
| 3217 // but disallow DR and offlining (5008695). | |
| 3218 FLAG_SET_CMDLINE(bool, BindGCTaskThreadsToCPUs, true); | |
| 3219 | |
| 3220 } else if (match_option(option, "-XX:+NeverTenure", &tail)) { | |
| 3221 // The last option must always win. | |
| 3222 FLAG_SET_CMDLINE(bool, AlwaysTenure, false); | |
| 3223 FLAG_SET_CMDLINE(bool, NeverTenure, true); | |
| 3224 } else if (match_option(option, "-XX:+AlwaysTenure", &tail)) { | |
| 3225 // The last option must always win. | |
| 3226 FLAG_SET_CMDLINE(bool, NeverTenure, false); | |
| 3227 FLAG_SET_CMDLINE(bool, AlwaysTenure, true); | |
| 3228 } else if (match_option(option, "-XX:+CMSPermGenSweepingEnabled", &tail) || | |
| 3229 match_option(option, "-XX:-CMSPermGenSweepingEnabled", &tail)) { | |
| 3230 jio_fprintf(defaultStream::error_stream(), | |
| 3231 "Please use CMSClassUnloadingEnabled in place of " | |
| 3232 "CMSPermGenSweepingEnabled in the future\n"); | |
| 3233 } else if (match_option(option, "-XX:+UseGCTimeLimit", &tail)) { | |
| 3234 FLAG_SET_CMDLINE(bool, UseGCOverheadLimit, true); | |
| 3235 jio_fprintf(defaultStream::error_stream(), | |
| 3236 "Please use -XX:+UseGCOverheadLimit in place of " | |
| 3237 "-XX:+UseGCTimeLimit in the future\n"); | |
| 3238 } else if (match_option(option, "-XX:-UseGCTimeLimit", &tail)) { | |
| 3239 FLAG_SET_CMDLINE(bool, UseGCOverheadLimit, false); | |
| 3240 jio_fprintf(defaultStream::error_stream(), | |
| 3241 "Please use -XX:-UseGCOverheadLimit in place of " | |
| 3242 "-XX:-UseGCTimeLimit in the future\n"); | |
| 3243 // The TLE options are for compatibility with 1.3 and will be | |
| 3244 // removed without notice in a future release. These options | |
| 3245 // are not to be documented. | |
| 3246 } else if (match_option(option, "-XX:MaxTLERatio=", &tail)) { | |
| 3247 // No longer used. | |
| 3248 } else if (match_option(option, "-XX:+ResizeTLE", &tail)) { | |
| 3249 FLAG_SET_CMDLINE(bool, ResizeTLAB, true); | |
| 3250 } else if (match_option(option, "-XX:-ResizeTLE", &tail)) { | |
| 3251 FLAG_SET_CMDLINE(bool, ResizeTLAB, false); | |
| 3252 } else if (match_option(option, "-XX:+PrintTLE", &tail)) { | |
| 3253 FLAG_SET_CMDLINE(bool, PrintTLAB, true); | |
| 3254 } else if (match_option(option, "-XX:-PrintTLE", &tail)) { | |
| 3255 FLAG_SET_CMDLINE(bool, PrintTLAB, false); | |
| 3256 } else if (match_option(option, "-XX:TLEFragmentationRatio=", &tail)) { | |
| 3257 // No longer used. | |
| 3258 } else if (match_option(option, "-XX:TLESize=", &tail)) { | |
|
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
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483
diff
changeset
|
3259 julong long_tlab_size = 0; |
| 0 | 3260 ArgsRange errcode = parse_memory_size(tail, &long_tlab_size, 1); |
| 3261 if (errcode != arg_in_range) { | |
| 3262 jio_fprintf(defaultStream::error_stream(), | |
| 3263 "Invalid TLAB size: %s\n", option->optionString); | |
| 3264 describe_range_error(errcode); | |
| 3265 return JNI_EINVAL; | |
| 3266 } | |
| 3267 FLAG_SET_CMDLINE(uintx, TLABSize, long_tlab_size); | |
| 3268 } else if (match_option(option, "-XX:TLEThreadRatio=", &tail)) { | |
| 3269 // No longer used. | |
| 3270 } else if (match_option(option, "-XX:+UseTLE", &tail)) { | |
| 3271 FLAG_SET_CMDLINE(bool, UseTLAB, true); | |
| 3272 } else if (match_option(option, "-XX:-UseTLE", &tail)) { | |
| 3273 FLAG_SET_CMDLINE(bool, UseTLAB, false); | |
| 3274 } else if (match_option(option, "-XX:+DisplayVMOutputToStderr", &tail)) { | |
| 3275 FLAG_SET_CMDLINE(bool, DisplayVMOutputToStdout, false); | |
| 3276 FLAG_SET_CMDLINE(bool, DisplayVMOutputToStderr, true); | |
| 3277 } else if (match_option(option, "-XX:+DisplayVMOutputToStdout", &tail)) { | |
| 3278 FLAG_SET_CMDLINE(bool, DisplayVMOutputToStderr, false); | |
| 3279 FLAG_SET_CMDLINE(bool, DisplayVMOutputToStdout, true); | |
| 3280 } else if (match_option(option, "-XX:+ExtendedDTraceProbes", &tail)) { | |
| 4006 | 3281 #if defined(DTRACE_ENABLED) |
| 0 | 3282 FLAG_SET_CMDLINE(bool, ExtendedDTraceProbes, true); |
| 3283 FLAG_SET_CMDLINE(bool, DTraceMethodProbes, true); | |
| 3284 FLAG_SET_CMDLINE(bool, DTraceAllocProbes, true); | |
| 3285 FLAG_SET_CMDLINE(bool, DTraceMonitorProbes, true); | |
| 4006 | 3286 #else // defined(DTRACE_ENABLED) |
| 0 | 3287 jio_fprintf(defaultStream::error_stream(), |
| 4006 | 3288 "ExtendedDTraceProbes flag is not applicable for this configuration\n"); |
| 0 | 3289 return JNI_EINVAL; |
| 4006 | 3290 #endif // defined(DTRACE_ENABLED) |
| 0 | 3291 #ifdef ASSERT |
|
1145
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3292 } else if (match_option(option, "-XX:+FullGCALot", &tail)) { |
| 0 | 3293 FLAG_SET_CMDLINE(bool, FullGCALot, true); |
| 3294 // disable scavenge before parallel mark-compact | |
| 3295 FLAG_SET_CMDLINE(bool, ScavengeBeforeFullGC, false); | |
| 3296 #endif | |
|
1145
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3297 } else if (match_option(option, "-XX:CMSParPromoteBlocksToClaim=", &tail)) { |
| 0 | 3298 julong cms_blocks_to_claim = (julong)atol(tail); |
| 3299 FLAG_SET_CMDLINE(uintx, CMSParPromoteBlocksToClaim, cms_blocks_to_claim); | |
| 3300 jio_fprintf(defaultStream::error_stream(), | |
|
1145
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3301 "Please use -XX:OldPLABSize in place of " |
|
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3302 "-XX:CMSParPromoteBlocksToClaim in the future\n"); |
|
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3303 } else if (match_option(option, "-XX:ParCMSPromoteBlocksToClaim=", &tail)) { |
|
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3304 julong cms_blocks_to_claim = (julong)atol(tail); |
|
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3305 FLAG_SET_CMDLINE(uintx, CMSParPromoteBlocksToClaim, cms_blocks_to_claim); |
|
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3306 jio_fprintf(defaultStream::error_stream(), |
|
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3307 "Please use -XX:OldPLABSize in place of " |
| 0 | 3308 "-XX:ParCMSPromoteBlocksToClaim in the future\n"); |
|
1145
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3309 } else if (match_option(option, "-XX:ParallelGCOldGenAllocBufferSize=", &tail)) { |
|
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
3310 julong old_plab_size = 0; |
| 0 | 3311 ArgsRange errcode = parse_memory_size(tail, &old_plab_size, 1); |
| 3312 if (errcode != arg_in_range) { | |
| 3313 jio_fprintf(defaultStream::error_stream(), | |
| 3314 "Invalid old PLAB size: %s\n", option->optionString); | |
| 3315 describe_range_error(errcode); | |
| 3316 return JNI_EINVAL; | |
| 3317 } | |
|
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
3318 FLAG_SET_CMDLINE(uintx, OldPLABSize, old_plab_size); |
| 0 | 3319 jio_fprintf(defaultStream::error_stream(), |
| 3320 "Please use -XX:OldPLABSize in place of " | |
| 3321 "-XX:ParallelGCOldGenAllocBufferSize in the future\n"); | |
|
1145
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3322 } else if (match_option(option, "-XX:ParallelGCToSpaceAllocBufferSize=", &tail)) { |
|
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
3323 julong young_plab_size = 0; |
| 0 | 3324 ArgsRange errcode = parse_memory_size(tail, &young_plab_size, 1); |
| 3325 if (errcode != arg_in_range) { | |
| 3326 jio_fprintf(defaultStream::error_stream(), | |
| 3327 "Invalid young PLAB size: %s\n", option->optionString); | |
| 3328 describe_range_error(errcode); | |
| 3329 return JNI_EINVAL; | |
| 3330 } | |
|
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
3331 FLAG_SET_CMDLINE(uintx, YoungPLABSize, young_plab_size); |
| 0 | 3332 jio_fprintf(defaultStream::error_stream(), |
| 3333 "Please use -XX:YoungPLABSize in place of " | |
| 3334 "-XX:ParallelGCToSpaceAllocBufferSize in the future\n"); | |
| 1284 | 3335 } else if (match_option(option, "-XX:CMSMarkStackSize=", &tail) || |
| 3336 match_option(option, "-XX:G1MarkStackSize=", &tail)) { | |
| 3337 julong stack_size = 0; | |
| 3338 ArgsRange errcode = parse_memory_size(tail, &stack_size, 1); | |
| 3339 if (errcode != arg_in_range) { | |
| 3340 jio_fprintf(defaultStream::error_stream(), | |
| 3341 "Invalid mark stack size: %s\n", option->optionString); | |
| 3342 describe_range_error(errcode); | |
| 3343 return JNI_EINVAL; | |
| 3344 } | |
| 3345 FLAG_SET_CMDLINE(uintx, MarkStackSize, stack_size); | |
| 3346 } else if (match_option(option, "-XX:CMSMarkStackSizeMax=", &tail)) { | |
| 3347 julong max_stack_size = 0; | |
| 3348 ArgsRange errcode = parse_memory_size(tail, &max_stack_size, 1); | |
| 3349 if (errcode != arg_in_range) { | |
| 3350 jio_fprintf(defaultStream::error_stream(), | |
| 3351 "Invalid maximum mark stack size: %s\n", | |
| 3352 option->optionString); | |
| 3353 describe_range_error(errcode); | |
| 3354 return JNI_EINVAL; | |
| 3355 } | |
| 3356 FLAG_SET_CMDLINE(uintx, MarkStackSizeMax, max_stack_size); | |
| 3357 } else if (match_option(option, "-XX:ParallelMarkingThreads=", &tail) || | |
| 3358 match_option(option, "-XX:ParallelCMSThreads=", &tail)) { | |
| 3359 uintx conc_threads = 0; | |
| 3360 if (!parse_uintx(tail, &conc_threads, 1)) { | |
| 3361 jio_fprintf(defaultStream::error_stream(), | |
| 3362 "Invalid concurrent threads: %s\n", option->optionString); | |
| 3363 return JNI_EINVAL; | |
| 3364 } | |
| 3365 FLAG_SET_CMDLINE(uintx, ConcGCThreads, conc_threads); | |
|
6199
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3366 } else if (match_option(option, "-XX:MaxDirectMemorySize=", &tail)) { |
|
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3367 julong max_direct_memory_size = 0; |
|
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3368 ArgsRange errcode = parse_memory_size(tail, &max_direct_memory_size, 0); |
|
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3369 if (errcode != arg_in_range) { |
|
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3370 jio_fprintf(defaultStream::error_stream(), |
|
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3371 "Invalid maximum direct memory size: %s\n", |
|
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3372 option->optionString); |
|
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3373 describe_range_error(errcode); |
|
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3374 return JNI_EINVAL; |
|
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3375 } |
|
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3376 FLAG_SET_CMDLINE(uintx, MaxDirectMemorySize, max_direct_memory_size); |
|
6878
85916677fc22
7188233: UseVMInterruptibleIO flag deprecate for JDK8
coleenp
parents:
6857
diff
changeset
|
3377 } else if (match_option(option, "-XX:+UseVMInterruptibleIO", &tail)) { |
|
85916677fc22
7188233: UseVMInterruptibleIO flag deprecate for JDK8
coleenp
parents:
6857
diff
changeset
|
3378 // NOTE! In JDK 9, the UseVMInterruptibleIO flag will completely go |
|
85916677fc22
7188233: UseVMInterruptibleIO flag deprecate for JDK8
coleenp
parents:
6857
diff
changeset
|
3379 // away and will cause VM initialization failures! |
|
85916677fc22
7188233: UseVMInterruptibleIO flag deprecate for JDK8
coleenp
parents:
6857
diff
changeset
|
3380 warning("-XX:+UseVMInterruptibleIO is obsolete and will be removed in a future release."); |
|
85916677fc22
7188233: UseVMInterruptibleIO flag deprecate for JDK8
coleenp
parents:
6857
diff
changeset
|
3381 FLAG_SET_CMDLINE(bool, UseVMInterruptibleIO, true); |
|
8081
579f6adb7f51
8003539: Minimal VM don't react to -Dcom.sun.management and -XX:+ManagementServer
jprovino
parents:
8002
diff
changeset
|
3382 #if !INCLUDE_MANAGEMENT |
|
579f6adb7f51
8003539: Minimal VM don't react to -Dcom.sun.management and -XX:+ManagementServer
jprovino
parents:
8002
diff
changeset
|
3383 } else if (match_option(option, "-XX:+ManagementServer", &tail)) { |
|
8720
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
3384 jio_fprintf(defaultStream::error_stream(), |
|
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
3385 "ManagementServer is not supported in this VM.\n"); |
|
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
3386 return JNI_ERR; |
|
8081
579f6adb7f51
8003539: Minimal VM don't react to -Dcom.sun.management and -XX:+ManagementServer
jprovino
parents:
8002
diff
changeset
|
3387 #endif // INCLUDE_MANAGEMENT |
|
1145
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3388 } else if (match_option(option, "-XX:", &tail)) { // -XX:xxxx |
| 0 | 3389 // Skip -XX:Flags= since that case has already been handled |
| 3390 if (strncmp(tail, "Flags=", strlen("Flags=")) != 0) { | |
| 3391 if (!process_argument(tail, args->ignoreUnrecognized, origin)) { | |
| 3392 return JNI_EINVAL; | |
| 3393 } | |
| 3394 } | |
|
4559
723df37192d6
Make it possible again to build a real client libjvm, drop the UseGraal flag.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
4350
diff
changeset
|
3395 } |
|
723df37192d6
Make it possible again to build a real client libjvm, drop the UseGraal flag.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
4350
diff
changeset
|
3396 #ifdef GRAAL |
|
723df37192d6
Make it possible again to build a real client libjvm, drop the UseGraal flag.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
4350
diff
changeset
|
3397 else if (match_option(option, "-G:", &tail)) { // -G:XXX |
|
7125
1baf7f1e3f23
decoupled C++ Graal runtime from C1
Doug Simon <doug.simon@oracle.com>
parents:
7066
diff
changeset
|
3398 // Option for the Graal compiler. |
|
1437
9e5e83ca2259
Enabled -C1X:OPTIONS when running HotSpot/C1X. Enabled checkstyle for the HotSpotVM Java project.
Thomas Wuerthinger <wuerthinger@ssw.jku.at>
parents:
1356
diff
changeset
|
3399 if (PrintVMOptions) { |
|
7125
1baf7f1e3f23
decoupled C++ Graal runtime from C1
Doug Simon <doug.simon@oracle.com>
parents:
7066
diff
changeset
|
3400 tty->print_cr("Graal option %s", tail); |
|
1437
9e5e83ca2259
Enabled -C1X:OPTIONS when running HotSpot/C1X. Enabled checkstyle for the HotSpotVM Java project.
Thomas Wuerthinger <wuerthinger@ssw.jku.at>
parents:
1356
diff
changeset
|
3401 } |
|
2891
75a99b4f1c98
Rebranded C++ part from C1X to Graal.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2873
diff
changeset
|
3402 Arguments::add_graal_arg(tail); |
|
1437
9e5e83ca2259
Enabled -C1X:OPTIONS when running HotSpot/C1X. Enabled checkstyle for the HotSpotVM Java project.
Thomas Wuerthinger <wuerthinger@ssw.jku.at>
parents:
1356
diff
changeset
|
3403 |
| 0 | 3404 // Unknown option |
|
4559
723df37192d6
Make it possible again to build a real client libjvm, drop the UseGraal flag.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
4350
diff
changeset
|
3405 } |
|
723df37192d6
Make it possible again to build a real client libjvm, drop the UseGraal flag.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
4350
diff
changeset
|
3406 #endif |
|
723df37192d6
Make it possible again to build a real client libjvm, drop the UseGraal flag.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
4350
diff
changeset
|
3407 else if (is_bad_option(option, args->ignoreUnrecognized)) { |
| 0 | 3408 return JNI_ERR; |
| 3409 } | |
| 3410 } | |
|
3767
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
3411 |
|
20375
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3412 // PrintSharedArchiveAndExit will turn on |
|
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3413 // -Xshare:on |
|
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3414 // -XX:+TraceClassPaths |
|
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3415 if (PrintSharedArchiveAndExit) { |
|
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3416 FLAG_SET_CMDLINE(bool, UseSharedSpaces, true); |
|
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3417 FLAG_SET_CMDLINE(bool, RequireSharedSpaces, true); |
|
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3418 FLAG_SET_CMDLINE(bool, TraceClassPaths, true); |
|
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3419 } |
|
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3420 |
|
449
171e581e8161
6554406: Change switch UseVMInterruptibleIO default to false (sol)
xlu
parents:
420
diff
changeset
|
3421 // Change the default value for flags which have different default values |
|
171e581e8161
6554406: Change switch UseVMInterruptibleIO default to false (sol)
xlu
parents:
420
diff
changeset
|
3422 // when working with older JDKs. |
|
1679
3d90023429ec
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
1628
diff
changeset
|
3423 #ifdef LINUX |
|
3d90023429ec
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
1628
diff
changeset
|
3424 if (JDK_Version::current().compare_major(6) <= 0 && |
|
3d90023429ec
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
1628
diff
changeset
|
3425 FLAG_IS_DEFAULT(UseLinuxPosixThreadCPUClocks)) { |
|
3d90023429ec
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
1628
diff
changeset
|
3426 FLAG_SET_DEFAULT(UseLinuxPosixThreadCPUClocks, false); |
|
3d90023429ec
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
1628
diff
changeset
|
3427 } |
|
3d90023429ec
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
1628
diff
changeset
|
3428 #endif // LINUX |
|
20375
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3429 fix_appclasspath(); |
| 0 | 3430 return JNI_OK; |
| 3431 } | |
| 3432 | |
|
20375
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3433 // Remove all empty paths from the app classpath (if IgnoreEmptyClassPaths is enabled) |
|
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3434 // |
|
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3435 // This is necessary because some apps like to specify classpath like -cp foo.jar:${XYZ}:bar.jar |
|
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3436 // in their start-up scripts. If XYZ is empty, the classpath will look like "-cp foo.jar::bar.jar". |
|
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3437 // Java treats such empty paths as if the user specified "-cp foo.jar:.:bar.jar". I.e., an empty |
|
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3438 // path is treated as the current directory. |
|
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3439 // |
|
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3440 // This causes problems with CDS, which requires that all directories specified in the classpath |
|
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3441 // must be empty. In most cases, applications do NOT want to load classes from the current |
|
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3442 // directory anyway. Adding -XX:+IgnoreEmptyClassPaths will make these applications' start-up |
|
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3443 // scripts compatible with CDS. |
|
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3444 void Arguments::fix_appclasspath() { |
|
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3445 if (IgnoreEmptyClassPaths) { |
|
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3446 const char separator = *os::path_separator(); |
|
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3447 const char* src = _java_class_path->value(); |
|
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3448 |
|
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3449 // skip over all the leading empty paths |
|
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3450 while (*src == separator) { |
|
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3451 src ++; |
|
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3452 } |
|
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3453 |
|
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3454 char* copy = AllocateHeap(strlen(src) + 1, mtInternal); |
|
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
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20360
diff
changeset
|
3455 strncpy(copy, src, strlen(src) + 1); |
|
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3456 |
|
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3457 // trim all trailing empty paths |
|
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3458 for (char* tail = copy + strlen(copy) - 1; tail >= copy && *tail == separator; tail--) { |
|
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3459 *tail = '\0'; |
|
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3460 } |
|
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3461 |
|
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3462 char from[3] = {separator, separator, '\0'}; |
|
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
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20360
diff
changeset
|
3463 char to [2] = {separator, '\0'}; |
|
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3464 while (StringUtils::replace_no_expand(copy, from, to) > 0) { |
|
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3465 // Keep replacing "::" -> ":" until we have no more "::" (non-windows) |
|
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3466 // Keep replacing ";;" -> ";" until we have no more ";;" (windows) |
|
6e0cb14ce59b
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iklam
parents:
20360
diff
changeset
|
3467 } |
|
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3468 |
|
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3469 _java_class_path->set_value(copy); |
|
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3470 FreeHeap(copy); // a copy was made by set_value, so don't need this anymore |
|
6e0cb14ce59b
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iklam
parents:
20360
diff
changeset
|
3471 } |
|
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3472 |
|
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3473 if (!PrintSharedArchiveAndExit) { |
|
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3474 ClassLoader::trace_class_path("[classpath: ", _java_class_path->value()); |
|
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3475 } |
|
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3476 } |
|
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3477 |
|
20654
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3478 static bool has_jar_files(const char* directory) { |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
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20601
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changeset
|
3479 DIR* dir = os::opendir(directory); |
|
fa6adc194d48
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mchung
parents:
20601
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changeset
|
3480 if (dir == NULL) return false; |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3481 |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3482 struct dirent *entry; |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3483 char *dbuf = NEW_C_HEAP_ARRAY(char, os::readdir_buf_size(directory), mtInternal); |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
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changeset
|
3484 bool hasJarFile = false; |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3485 while (!hasJarFile && (entry = os::readdir(dir, (dirent *) dbuf)) != NULL) { |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
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|
3486 const char* name = entry->d_name; |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
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diff
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|
3487 const char* ext = name + strlen(name) - 4; |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
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diff
changeset
|
3488 hasJarFile = ext > name && (os::file_name_strcmp(ext, ".jar") == 0); |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3489 } |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
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diff
changeset
|
3490 FREE_C_HEAP_ARRAY(char, dbuf, mtInternal); |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
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diff
changeset
|
3491 os::closedir(dir); |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3492 return hasJarFile ; |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
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20601
diff
changeset
|
3493 } |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3494 |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3495 // returns the number of directories in the given path containing JAR files |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3496 // If the skip argument is not NULL, it will skip that directory |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3497 static int check_non_empty_dirs(const char* path, const char* type, const char* skip) { |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3498 const char separator = *os::path_separator(); |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3499 const char* const end = path + strlen(path); |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3500 int nonEmptyDirs = 0; |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3501 while (path < end) { |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3502 const char* tmp_end = strchr(path, separator); |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3503 if (tmp_end == NULL) { |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3504 if ((skip == NULL || strcmp(path, skip) != 0) && has_jar_files(path)) { |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3505 nonEmptyDirs++; |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3506 jio_fprintf(defaultStream::output_stream(), |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3507 "Non-empty %s directory: %s\n", type, path); |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3508 } |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3509 path = end; |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3510 } else { |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3511 char* dirpath = NEW_C_HEAP_ARRAY(char, tmp_end - path + 1, mtInternal); |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3512 memcpy(dirpath, path, tmp_end - path); |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3513 dirpath[tmp_end - path] = '\0'; |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3514 if ((skip == NULL || strcmp(dirpath, skip) != 0) && has_jar_files(dirpath)) { |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3515 nonEmptyDirs++; |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3516 jio_fprintf(defaultStream::output_stream(), |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3517 "Non-empty %s directory: %s\n", type, dirpath); |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3518 } |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3519 FREE_C_HEAP_ARRAY(char, dirpath, mtInternal); |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3520 path = tmp_end + 1; |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3521 } |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3522 } |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3523 return nonEmptyDirs; |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3524 } |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3525 |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3526 // Returns true if endorsed standards override mechanism and extension mechanism |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3527 // are not used. |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3528 static bool check_endorsed_and_ext_dirs() { |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3529 if (!CheckEndorsedAndExtDirs) |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3530 return true; |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3531 |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3532 char endorsedDir[JVM_MAXPATHLEN]; |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3533 char extDir[JVM_MAXPATHLEN]; |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
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20601
diff
changeset
|
3534 const char* fileSep = os::file_separator(); |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3535 jio_snprintf(endorsedDir, sizeof(endorsedDir), "%s%slib%sendorsed", |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3536 Arguments::get_java_home(), fileSep, fileSep); |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3537 jio_snprintf(extDir, sizeof(extDir), "%s%slib%sext", |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
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20601
diff
changeset
|
3538 Arguments::get_java_home(), fileSep, fileSep); |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3539 |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3540 // check endorsed directory |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
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20601
diff
changeset
|
3541 int nonEmptyDirs = check_non_empty_dirs(Arguments::get_endorsed_dir(), "endorsed", NULL); |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3542 |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3543 // check the extension directories but skip the default lib/ext directory |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
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20601
diff
changeset
|
3544 nonEmptyDirs += check_non_empty_dirs(Arguments::get_ext_dirs(), "extension", extDir); |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
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20601
diff
changeset
|
3545 |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3546 // List of JAR files installed in the default lib/ext directory. |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
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20601
diff
changeset
|
3547 // -XX:+CheckEndorsedAndExtDirs checks if any non-JDK file installed |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
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20601
diff
changeset
|
3548 static const char* jdk_ext_jars[] = { |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
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20601
diff
changeset
|
3549 "access-bridge-32.jar", |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
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20601
diff
changeset
|
3550 "access-bridge-64.jar", |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3551 "access-bridge.jar", |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
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20601
diff
changeset
|
3552 "cldrdata.jar", |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3553 "dnsns.jar", |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
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20601
diff
changeset
|
3554 "jaccess.jar", |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
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20601
diff
changeset
|
3555 "jfxrt.jar", |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3556 "localedata.jar", |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
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20601
diff
changeset
|
3557 "nashorn.jar", |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
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20601
diff
changeset
|
3558 "sunec.jar", |
|
fa6adc194d48
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mchung
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20601
diff
changeset
|
3559 "sunjce_provider.jar", |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
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20601
diff
changeset
|
3560 "sunmscapi.jar", |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
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20601
diff
changeset
|
3561 "sunpkcs11.jar", |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3562 "ucrypto.jar", |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3563 "zipfs.jar", |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3564 NULL |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3565 }; |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3566 |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3567 // check if the default lib/ext directory has any non-JDK jar files; if so, error |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3568 DIR* dir = os::opendir(extDir); |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3569 if (dir != NULL) { |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3570 int num_ext_jars = 0; |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3571 struct dirent *entry; |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3572 char *dbuf = NEW_C_HEAP_ARRAY(char, os::readdir_buf_size(extDir), mtInternal); |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3573 while ((entry = os::readdir(dir, (dirent *) dbuf)) != NULL) { |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3574 const char* name = entry->d_name; |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3575 const char* ext = name + strlen(name) - 4; |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3576 if (ext > name && (os::file_name_strcmp(ext, ".jar") == 0)) { |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3577 bool is_jdk_jar = false; |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3578 const char* jarfile = NULL; |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3579 for (int i=0; (jarfile = jdk_ext_jars[i]) != NULL; i++) { |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3580 if (os::file_name_strcmp(name, jarfile) == 0) { |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3581 is_jdk_jar = true; |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3582 break; |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3583 } |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3584 } |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3585 if (!is_jdk_jar) { |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3586 jio_fprintf(defaultStream::output_stream(), |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3587 "%s installed in <JAVA_HOME>/lib/ext\n", name); |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3588 num_ext_jars++; |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3589 } |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3590 } |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3591 } |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3592 FREE_C_HEAP_ARRAY(char, dbuf, mtInternal); |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3593 os::closedir(dir); |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3594 if (num_ext_jars > 0) { |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3595 nonEmptyDirs += 1; |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3596 } |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3597 } |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3598 |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3599 // check if the default lib/endorsed directory exists; if so, error |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3600 dir = os::opendir(endorsedDir); |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3601 if (dir != NULL) { |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3602 jio_fprintf(defaultStream::output_stream(), "<JAVA_HOME>/lib/endorsed exists\n"); |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3603 os::closedir(dir); |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3604 nonEmptyDirs += 1; |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3605 } |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3606 |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3607 if (nonEmptyDirs > 0) { |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3608 jio_fprintf(defaultStream::output_stream(), |
|
20684
c03d85ef5e6a
8065765: Missing space in output message from -XX:+CheckEndorsedAndExtDirs
mchung
parents:
20655
diff
changeset
|
3609 "Endorsed standards override mechanism and extension mechanism " |
|
20654
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3610 "will not be supported in a future release.\n" |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3611 "Refer to JEP 220 for details (http://openjdk.java.net/jeps/220).\n"); |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3612 return false; |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3613 } |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3614 |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3615 return true; |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3616 } |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3617 |
| 0 | 3618 jint Arguments::finalize_vm_init_args(SysClassPath* scp_p, bool scp_assembly_required) { |
| 3619 // This must be done after all -D arguments have been processed. | |
| 3620 scp_p->expand_endorsed(); | |
| 3621 | |
|
16395
ad431bf0de07
added support to load classes from graal.jar with a separate class loader
Doug Simon <doug.simon@oracle.com>
parents:
15015
diff
changeset
|
3622 #ifdef GRAAL |
|
ad431bf0de07
added support to load classes from graal.jar with a separate class loader
Doug Simon <doug.simon@oracle.com>
parents:
15015
diff
changeset
|
3623 if (!UseGraalClassLoader) { |
|
21040
12e94cba3696
Graal Loader: load all jars matching lib/graal/graal*.jar
Gilles Duboscq <gilles.m.duboscq@oracle.com>
parents:
20804
diff
changeset
|
3624 // Append lib/graal/graal*.jar to boot class path |
|
12e94cba3696
Graal Loader: load all jars matching lib/graal/graal*.jar
Gilles Duboscq <gilles.m.duboscq@oracle.com>
parents:
20804
diff
changeset
|
3625 char graalDir[JVM_MAXPATHLEN]; |
|
12e94cba3696
Graal Loader: load all jars matching lib/graal/graal*.jar
Gilles Duboscq <gilles.m.duboscq@oracle.com>
parents:
20804
diff
changeset
|
3626 const char* fileSep = os::file_separator(); |
|
12e94cba3696
Graal Loader: load all jars matching lib/graal/graal*.jar
Gilles Duboscq <gilles.m.duboscq@oracle.com>
parents:
20804
diff
changeset
|
3627 jio_snprintf(graalDir, sizeof(graalDir), "%s%slib%sgraal", Arguments::get_java_home(), fileSep, fileSep); |
|
12e94cba3696
Graal Loader: load all jars matching lib/graal/graal*.jar
Gilles Duboscq <gilles.m.duboscq@oracle.com>
parents:
20804
diff
changeset
|
3628 DIR* dir = os::opendir(graalDir); |
|
12e94cba3696
Graal Loader: load all jars matching lib/graal/graal*.jar
Gilles Duboscq <gilles.m.duboscq@oracle.com>
parents:
20804
diff
changeset
|
3629 if (dir != NULL) { |
|
12e94cba3696
Graal Loader: load all jars matching lib/graal/graal*.jar
Gilles Duboscq <gilles.m.duboscq@oracle.com>
parents:
20804
diff
changeset
|
3630 struct dirent *entry; |
|
12e94cba3696
Graal Loader: load all jars matching lib/graal/graal*.jar
Gilles Duboscq <gilles.m.duboscq@oracle.com>
parents:
20804
diff
changeset
|
3631 char *dbuf = NEW_C_HEAP_ARRAY(char, os::readdir_buf_size(graalDir), mtInternal); |
|
12e94cba3696
Graal Loader: load all jars matching lib/graal/graal*.jar
Gilles Duboscq <gilles.m.duboscq@oracle.com>
parents:
20804
diff
changeset
|
3632 while ((entry = os::readdir(dir, (dirent *) dbuf)) != NULL) { |
|
12e94cba3696
Graal Loader: load all jars matching lib/graal/graal*.jar
Gilles Duboscq <gilles.m.duboscq@oracle.com>
parents:
20804
diff
changeset
|
3633 const char* name = entry->d_name; |
|
12e94cba3696
Graal Loader: load all jars matching lib/graal/graal*.jar
Gilles Duboscq <gilles.m.duboscq@oracle.com>
parents:
20804
diff
changeset
|
3634 const char* ext = name + strlen(name) - 4; |
|
12e94cba3696
Graal Loader: load all jars matching lib/graal/graal*.jar
Gilles Duboscq <gilles.m.duboscq@oracle.com>
parents:
20804
diff
changeset
|
3635 if (ext > name && strcmp(ext, ".jar") == 0 |
|
12e94cba3696
Graal Loader: load all jars matching lib/graal/graal*.jar
Gilles Duboscq <gilles.m.duboscq@oracle.com>
parents:
20804
diff
changeset
|
3636 && strlen(name) > strlen("graal") |
|
12e94cba3696
Graal Loader: load all jars matching lib/graal/graal*.jar
Gilles Duboscq <gilles.m.duboscq@oracle.com>
parents:
20804
diff
changeset
|
3637 && strncmp(name, "graal", strlen("graal")) == 0) { |
|
12e94cba3696
Graal Loader: load all jars matching lib/graal/graal*.jar
Gilles Duboscq <gilles.m.duboscq@oracle.com>
parents:
20804
diff
changeset
|
3638 char fileName[JVM_MAXPATHLEN]; |
|
12e94cba3696
Graal Loader: load all jars matching lib/graal/graal*.jar
Gilles Duboscq <gilles.m.duboscq@oracle.com>
parents:
20804
diff
changeset
|
3639 jio_snprintf(fileName, sizeof(fileName), "%s%s%s", graalDir, fileSep, name); |
|
12e94cba3696
Graal Loader: load all jars matching lib/graal/graal*.jar
Gilles Duboscq <gilles.m.duboscq@oracle.com>
parents:
20804
diff
changeset
|
3640 scp_p->add_suffix(fileName); |
|
12e94cba3696
Graal Loader: load all jars matching lib/graal/graal*.jar
Gilles Duboscq <gilles.m.duboscq@oracle.com>
parents:
20804
diff
changeset
|
3641 scp_assembly_required = true; |
|
12e94cba3696
Graal Loader: load all jars matching lib/graal/graal*.jar
Gilles Duboscq <gilles.m.duboscq@oracle.com>
parents:
20804
diff
changeset
|
3642 } |
|
12e94cba3696
Graal Loader: load all jars matching lib/graal/graal*.jar
Gilles Duboscq <gilles.m.duboscq@oracle.com>
parents:
20804
diff
changeset
|
3643 } |
|
12e94cba3696
Graal Loader: load all jars matching lib/graal/graal*.jar
Gilles Duboscq <gilles.m.duboscq@oracle.com>
parents:
20804
diff
changeset
|
3644 } |
|
12e94cba3696
Graal Loader: load all jars matching lib/graal/graal*.jar
Gilles Duboscq <gilles.m.duboscq@oracle.com>
parents:
20804
diff
changeset
|
3645 |
|
16395
ad431bf0de07
added support to load classes from graal.jar with a separate class loader
Doug Simon <doug.simon@oracle.com>
parents:
15015
diff
changeset
|
3646 } |
|
ad431bf0de07
added support to load classes from graal.jar with a separate class loader
Doug Simon <doug.simon@oracle.com>
parents:
15015
diff
changeset
|
3647 #endif |
|
ad431bf0de07
added support to load classes from graal.jar with a separate class loader
Doug Simon <doug.simon@oracle.com>
parents:
15015
diff
changeset
|
3648 |
| 0 | 3649 if (scp_assembly_required || scp_p->get_endorsed() != NULL) { |
| 3650 // Assemble the bootclasspath elements into the final path. | |
| 3651 Arguments::set_sysclasspath(scp_p->combined_path()); | |
| 3652 } | |
| 3653 | |
|
20654
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3654 if (!check_endorsed_and_ext_dirs()) { |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3655 return JNI_ERR; |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3656 } |
|
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3657 |
| 0 | 3658 // This must be done after all arguments have been processed. |
| 3659 // java_compiler() true means set to "NONE" or empty. | |
| 3660 if (java_compiler() && !xdebug_mode()) { | |
| 3661 // For backwards compatibility, we switch to interpreted mode if | |
| 3662 // -Djava.compiler="NONE" or "" is specified AND "-Xdebug" was | |
| 3663 // not specified. | |
| 3664 set_mode_flags(_int); | |
| 3665 } | |
| 3666 if (CompileThreshold == 0) { | |
| 3667 set_mode_flags(_int); | |
| 3668 } | |
| 3669 | |
|
10292
acac2b03a07f
8014765: VM exits if MaxTenuringThreshold is set below the default InitialTenuringThreshold, and InitialTenuringThreshold is not set
tschatzl
parents:
10287
diff
changeset
|
3670 // eventually fix up InitialTenuringThreshold if only MaxTenuringThreshold is set |
|
acac2b03a07f
8014765: VM exits if MaxTenuringThreshold is set below the default InitialTenuringThreshold, and InitialTenuringThreshold is not set
tschatzl
parents:
10287
diff
changeset
|
3671 if (FLAG_IS_DEFAULT(InitialTenuringThreshold) && (InitialTenuringThreshold > MaxTenuringThreshold)) { |
|
acac2b03a07f
8014765: VM exits if MaxTenuringThreshold is set below the default InitialTenuringThreshold, and InitialTenuringThreshold is not set
tschatzl
parents:
10287
diff
changeset
|
3672 FLAG_SET_ERGO(uintx, InitialTenuringThreshold, MaxTenuringThreshold); |
|
acac2b03a07f
8014765: VM exits if MaxTenuringThreshold is set below the default InitialTenuringThreshold, and InitialTenuringThreshold is not set
tschatzl
parents:
10287
diff
changeset
|
3673 } |
|
acac2b03a07f
8014765: VM exits if MaxTenuringThreshold is set below the default InitialTenuringThreshold, and InitialTenuringThreshold is not set
tschatzl
parents:
10287
diff
changeset
|
3674 |
|
21041
e121783a0df9
Use the same behaviour for UseLargePages in a graal VM than in a server VM
Gilles Duboscq <gilles.m.duboscq@oracle.com>
parents:
21040
diff
changeset
|
3675 #if !defined(COMPILER2) && !defined(COMPILERGRAAL) |
| 0 | 3676 // Don't degrade server performance for footprint |
| 3677 if (FLAG_IS_DEFAULT(UseLargePages) && | |
| 3678 MaxHeapSize < LargePageHeapSizeThreshold) { | |
| 3679 // No need for large granularity pages w/small heaps. | |
| 3680 // Note that large pages are enabled/disabled for both the | |
| 3681 // Java heap and the code cache. | |
| 3682 FLAG_SET_DEFAULT(UseLargePages, false); | |
| 3683 } | |
|
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
3684 |
|
21041
e121783a0df9
Use the same behaviour for UseLargePages in a graal VM than in a server VM
Gilles Duboscq <gilles.m.duboscq@oracle.com>
parents:
21040
diff
changeset
|
3685 #elif defined(COMPILER2) |
| 0 | 3686 if (!FLAG_IS_DEFAULT(OptoLoopAlignment) && FLAG_IS_DEFAULT(MaxLoopPad)) { |
| 3687 FLAG_SET_DEFAULT(MaxLoopPad, OptoLoopAlignment-1); | |
| 3688 } | |
| 3689 #endif | |
| 3690 | |
|
11999
79a5283f4595
8021120: TieredCompilation can be enabled even if TIERED is undefined
iignatyev
parents:
11154
diff
changeset
|
3691 #ifndef TIERED |
|
79a5283f4595
8021120: TieredCompilation can be enabled even if TIERED is undefined
iignatyev
parents:
11154
diff
changeset
|
3692 // Tiered compilation is undefined. |
|
79a5283f4595
8021120: TieredCompilation can be enabled even if TIERED is undefined
iignatyev
parents:
11154
diff
changeset
|
3693 UNSUPPORTED_OPTION(TieredCompilation, "TieredCompilation"); |
|
79a5283f4595
8021120: TieredCompilation can be enabled even if TIERED is undefined
iignatyev
parents:
11154
diff
changeset
|
3694 #endif |
|
79a5283f4595
8021120: TieredCompilation can be enabled even if TIERED is undefined
iignatyev
parents:
11154
diff
changeset
|
3695 |
|
1681
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3696 // If we are running in a headless jre, force java.awt.headless property |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3697 // to be true unless the property has already been set. |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3698 // Also allow the OS environment variable JAVA_AWT_HEADLESS to set headless state. |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3699 if (os::is_headless_jre()) { |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3700 const char* headless = Arguments::get_property("java.awt.headless"); |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3701 if (headless == NULL) { |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3702 char envbuffer[128]; |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3703 if (!os::getenv("JAVA_AWT_HEADLESS", envbuffer, sizeof(envbuffer))) { |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3704 if (!add_property("java.awt.headless=true")) { |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3705 return JNI_ENOMEM; |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3706 } |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3707 } else { |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3708 char buffer[256]; |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3709 strcpy(buffer, "java.awt.headless="); |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3710 strcat(buffer, envbuffer); |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3711 if (!add_property(buffer)) { |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3712 return JNI_ENOMEM; |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3713 } |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3714 } |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3715 } |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3716 } |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3717 |
|
20655
b840813adfcc
8065305: Make it possible to extend the G1CollectorPolicy
jwilhelm
parents:
20654
diff
changeset
|
3718 if (!check_vm_args_consistency()) { |
| 0 | 3719 return JNI_ERR; |
| 3720 } | |
| 3721 | |
| 3722 return JNI_OK; | |
| 3723 } | |
| 3724 | |
| 3725 jint Arguments::parse_java_options_environment_variable(SysClassPath* scp_p, bool* scp_assembly_required_p) { | |
| 3726 return parse_options_environment_variable("_JAVA_OPTIONS", scp_p, | |
| 3727 scp_assembly_required_p); | |
| 3728 } | |
| 3729 | |
| 3730 jint Arguments::parse_java_tool_options_environment_variable(SysClassPath* scp_p, bool* scp_assembly_required_p) { | |
| 3731 return parse_options_environment_variable("JAVA_TOOL_OPTIONS", scp_p, | |
| 3732 scp_assembly_required_p); | |
| 3733 } | |
| 3734 | |
| 3735 jint Arguments::parse_options_environment_variable(const char* name, SysClassPath* scp_p, bool* scp_assembly_required_p) { | |
| 3736 const int N_MAX_OPTIONS = 64; | |
| 3737 const int OPTION_BUFFER_SIZE = 1024; | |
| 3738 char buffer[OPTION_BUFFER_SIZE]; | |
| 3739 | |
| 3740 // The variable will be ignored if it exceeds the length of the buffer. | |
| 3741 // Don't check this variable if user has special privileges | |
| 3742 // (e.g. unix su command). | |
| 3743 if (os::getenv(name, buffer, sizeof(buffer)) && | |
| 3744 !os::have_special_privileges()) { | |
| 3745 JavaVMOption options[N_MAX_OPTIONS]; // Construct option array | |
| 3746 jio_fprintf(defaultStream::error_stream(), | |
| 3747 "Picked up %s: %s\n", name, buffer); | |
| 3748 char* rd = buffer; // pointer to the input string (rd) | |
| 3749 int i; | |
| 3750 for (i = 0; i < N_MAX_OPTIONS;) { // repeat for all options in the input string | |
| 3751 while (isspace(*rd)) rd++; // skip whitespace | |
| 3752 if (*rd == 0) break; // we re done when the input string is read completely | |
| 3753 | |
| 3754 // The output, option string, overwrites the input string. | |
| 3755 // Because of quoting, the pointer to the option string (wrt) may lag the pointer to | |
| 3756 // input string (rd). | |
| 3757 char* wrt = rd; | |
| 3758 | |
| 3759 options[i++].optionString = wrt; // Fill in option | |
| 3760 while (*rd != 0 && !isspace(*rd)) { // unquoted strings terminate with a space or NULL | |
| 3761 if (*rd == '\'' || *rd == '"') { // handle a quoted string | |
| 3762 int quote = *rd; // matching quote to look for | |
| 3763 rd++; // don't copy open quote | |
| 3764 while (*rd != quote) { // include everything (even spaces) up until quote | |
| 3765 if (*rd == 0) { // string termination means unmatched string | |
| 3766 jio_fprintf(defaultStream::error_stream(), | |
| 3767 "Unmatched quote in %s\n", name); | |
| 3768 return JNI_ERR; | |
| 3769 } | |
| 3770 *wrt++ = *rd++; // copy to option string | |
| 3771 } | |
| 3772 rd++; // don't copy close quote | |
| 3773 } else { | |
| 3774 *wrt++ = *rd++; // copy to option string | |
| 3775 } | |
| 3776 } | |
| 3777 // Need to check if we're done before writing a NULL, | |
| 3778 // because the write could be to the byte that rd is pointing to. | |
| 3779 if (*rd++ == 0) { | |
| 3780 *wrt = 0; | |
| 3781 break; | |
| 3782 } | |
| 3783 *wrt = 0; // Zero terminate option | |
| 3784 } | |
| 3785 // Construct JavaVMInitArgs structure and parse as if it was part of the command line | |
| 3786 JavaVMInitArgs vm_args; | |
| 3787 vm_args.version = JNI_VERSION_1_2; | |
| 3788 vm_args.options = options; | |
| 3789 vm_args.nOptions = i; | |
| 564 | 3790 vm_args.ignoreUnrecognized = IgnoreUnrecognizedVMOptions; |
| 0 | 3791 |
| 3792 if (PrintVMOptions) { | |
| 3793 const char* tail; | |
| 3794 for (int i = 0; i < vm_args.nOptions; i++) { | |
| 3795 const JavaVMOption *option = vm_args.options + i; | |
| 3796 if (match_option(option, "-XX:", &tail)) { | |
| 3797 logOption(tail); | |
| 3798 } | |
| 3799 } | |
| 3800 } | |
| 3801 | |
|
12322
72b7e96c1922
8024545: make develop and notproduct flag values available in product builds
twisti
parents:
12269
diff
changeset
|
3802 return(parse_each_vm_init_arg(&vm_args, scp_p, scp_assembly_required_p, Flag::ENVIRON_VAR)); |
| 0 | 3803 } |
| 3804 return JNI_OK; | |
| 3805 } | |
| 3806 | |
|
2362
a2c2eac1ca62
7018056: large pages not always enabled by default
jcoomes
parents:
2302
diff
changeset
|
3807 void Arguments::set_shared_spaces_flags() { |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3808 if (DumpSharedSpaces) { |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3809 if (RequireSharedSpaces) { |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3810 warning("cannot dump shared archive while using shared archive"); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3811 } |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3812 UseSharedSpaces = false; |
|
12056
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
3813 #ifdef _LP64 |
|
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
3814 if (!UseCompressedOops || !UseCompressedClassPointers) { |
|
12056
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
3815 vm_exit_during_initialization( |
|
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
3816 "Cannot dump shared archive when UseCompressedOops or UseCompressedClassPointers is off.", NULL); |
|
12056
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
3817 } |
|
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
3818 } else { |
|
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
3819 if (!UseCompressedOops || !UseCompressedClassPointers) { |
|
20375
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3820 no_shared_spaces("UseCompressedOops and UseCompressedClassPointers must be on for UseSharedSpaces."); |
|
12056
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
3821 } |
|
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
3822 #endif |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3823 } |
|
2362
a2c2eac1ca62
7018056: large pages not always enabled by default
jcoomes
parents:
2302
diff
changeset
|
3824 } |
|
1891
9de67bf4244d
6996136: VM crash in src/share/vm/runtime/virtualspace.cpp:424
iveresov
parents:
1890
diff
changeset
|
3825 |
|
9060
cc32ccaaf47f
8003310: Enable -Wunused-function when compiling with gcc
mikael
parents:
8847
diff
changeset
|
3826 #if !INCLUDE_ALL_GCS |
|
8086
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3827 static void force_serial_gc() { |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3828 FLAG_SET_DEFAULT(UseSerialGC, true); |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3829 FLAG_SET_DEFAULT(CMSIncrementalMode, false); // special CMS suboption |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3830 UNSUPPORTED_GC_OPTION(UseG1GC); |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3831 UNSUPPORTED_GC_OPTION(UseParallelGC); |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3832 UNSUPPORTED_GC_OPTION(UseParallelOldGC); |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3833 UNSUPPORTED_GC_OPTION(UseConcMarkSweepGC); |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3834 UNSUPPORTED_GC_OPTION(UseParNewGC); |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3835 } |
|
9060
cc32ccaaf47f
8003310: Enable -Wunused-function when compiling with gcc
mikael
parents:
8847
diff
changeset
|
3836 #endif // INCLUDE_ALL_GCS |
|
8086
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3837 |
|
10270
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3838 // Sharing support |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3839 // Construct the path to the archive |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3840 static char* get_shared_archive_path() { |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3841 char *shared_archive_path; |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3842 if (SharedArchiveFile == NULL) { |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3843 char jvm_path[JVM_MAXPATHLEN]; |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3844 os::jvm_path(jvm_path, sizeof(jvm_path)); |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3845 char *end = strrchr(jvm_path, *os::file_separator()); |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3846 if (end != NULL) *end = '\0'; |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3847 size_t jvm_path_len = strlen(jvm_path); |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3848 size_t file_sep_len = strlen(os::file_separator()); |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3849 shared_archive_path = NEW_C_HEAP_ARRAY(char, jvm_path_len + |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3850 file_sep_len + 20, mtInternal); |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3851 if (shared_archive_path != NULL) { |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3852 strncpy(shared_archive_path, jvm_path, jvm_path_len + 1); |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3853 strncat(shared_archive_path, os::file_separator(), file_sep_len); |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3854 strncat(shared_archive_path, "classes.jsa", 11); |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3855 } |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3856 } else { |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3857 shared_archive_path = NEW_C_HEAP_ARRAY(char, strlen(SharedArchiveFile) + 1, mtInternal); |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3858 if (shared_archive_path != NULL) { |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3859 strncpy(shared_archive_path, SharedArchiveFile, strlen(SharedArchiveFile) + 1); |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3860 } |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3861 } |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3862 return shared_archive_path; |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3863 } |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3864 |
|
12257
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3865 #ifndef PRODUCT |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3866 // Determine whether LogVMOutput should be implicitly turned on. |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3867 static bool use_vm_log() { |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3868 if (LogCompilation || !FLAG_IS_DEFAULT(LogFile) || |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3869 PrintCompilation || PrintInlining || PrintDependencies || PrintNativeNMethods || |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3870 PrintDebugInfo || PrintRelocations || PrintNMethods || PrintExceptionHandlers || |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3871 PrintAssembly || TraceDeoptimization || TraceDependencies || |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3872 (VerifyDependencies && FLAG_IS_CMDLINE(VerifyDependencies))) { |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3873 return true; |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3874 } |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3875 |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3876 #ifdef COMPILER1 |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3877 if (PrintC1Statistics) { |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3878 return true; |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3879 } |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3880 #endif // COMPILER1 |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3881 |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3882 #ifdef COMPILER2 |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3883 if (PrintOptoAssembly || PrintOptoStatistics) { |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3884 return true; |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3885 } |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3886 #endif // COMPILER2 |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3887 |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3888 return false; |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3889 } |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3890 #endif // PRODUCT |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3891 |
| 0 | 3892 // Parse entry point called from JNI_CreateJavaVM |
| 3893 | |
| 3894 jint Arguments::parse(const JavaVMInitArgs* args) { | |
| 3895 | |
| 3896 // Remaining part of option string | |
| 3897 const char* tail; | |
| 3898 | |
| 3899 // If flag "-XX:Flags=flags-file" is used it will be the first option to be processed. | |
|
6196
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3900 const char* hotspotrc = ".hotspotrc"; |
| 0 | 3901 bool settings_file_specified = false; |
|
6196
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3902 bool needs_hotspotrc_warning = false; |
|
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3903 |
|
20568
46140919bf90
8047934: Adding new API for unlocking diagnostic argument.
jiangli
parents:
20548
diff
changeset
|
3904 ArgumentsExt::process_options(args); |
|
46140919bf90
8047934: Adding new API for unlocking diagnostic argument.
jiangli
parents:
20548
diff
changeset
|
3905 |
| 564 | 3906 const char* flags_file; |
| 0 | 3907 int index; |
| 3908 for (index = 0; index < args->nOptions; index++) { | |
| 3909 const JavaVMOption *option = args->options + index; | |
| 3910 if (match_option(option, "-XX:Flags=", &tail)) { | |
| 564 | 3911 flags_file = tail; |
| 0 | 3912 settings_file_specified = true; |
| 3913 } | |
| 3914 if (match_option(option, "-XX:+PrintVMOptions", &tail)) { | |
| 3915 PrintVMOptions = true; | |
| 3916 } | |
|
253
b0fe4deeb9fb
6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.")
kvn
parents:
196
diff
changeset
|
3917 if (match_option(option, "-XX:-PrintVMOptions", &tail)) { |
|
b0fe4deeb9fb
6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.")
kvn
parents:
196
diff
changeset
|
3918 PrintVMOptions = false; |
|
b0fe4deeb9fb
6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.")
kvn
parents:
196
diff
changeset
|
3919 } |
| 564 | 3920 if (match_option(option, "-XX:+IgnoreUnrecognizedVMOptions", &tail)) { |
| 3921 IgnoreUnrecognizedVMOptions = true; | |
| 3922 } | |
| 3923 if (match_option(option, "-XX:-IgnoreUnrecognizedVMOptions", &tail)) { | |
| 3924 IgnoreUnrecognizedVMOptions = false; | |
| 3925 } | |
|
19181
9ee881900cf5
PrintFlagsWithComments should respect UnlockDiagnosticVMOptions
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
18104
diff
changeset
|
3926 if (match_option(option, "-XX:+UnlockDiagnosticVMOptions", &tail)) { |
|
9ee881900cf5
PrintFlagsWithComments should respect UnlockDiagnosticVMOptions
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
18104
diff
changeset
|
3927 UnlockDiagnosticVMOptions = true; |
|
9ee881900cf5
PrintFlagsWithComments should respect UnlockDiagnosticVMOptions
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
18104
diff
changeset
|
3928 } |
|
9ee881900cf5
PrintFlagsWithComments should respect UnlockDiagnosticVMOptions
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
18104
diff
changeset
|
3929 if (match_option(option, "-XX:-UnlockDiagnosticVMOptions", &tail)) { |
|
9ee881900cf5
PrintFlagsWithComments should respect UnlockDiagnosticVMOptions
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
18104
diff
changeset
|
3930 UnlockDiagnosticVMOptions = false; |
|
9ee881900cf5
PrintFlagsWithComments should respect UnlockDiagnosticVMOptions
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
18104
diff
changeset
|
3931 } |
| 1150 | 3932 if (match_option(option, "-XX:+PrintFlagsInitial", &tail)) { |
| 4773 | 3933 CommandLineFlags::printFlags(tty, false); |
| 1150 | 3934 vm_exit(0); |
| 3935 } | |
| 20360 | 3936 #if INCLUDE_NMT |
| 6197 | 3937 if (match_option(option, "-XX:NativeMemoryTracking", &tail)) { |
| 20360 | 3938 // The launcher did not setup nmt environment variable properly. |
|
20395
f5164941749c
8054547: Re-enable warning for incompatible java launcher
zgu
parents:
20388
diff
changeset
|
3939 if (!MemTracker::check_launcher_nmt_support(tail)) { |
|
f5164941749c
8054547: Re-enable warning for incompatible java launcher
zgu
parents:
20388
diff
changeset
|
3940 warning("Native Memory Tracking did not setup properly, using wrong launcher?"); |
|
f5164941749c
8054547: Re-enable warning for incompatible java launcher
zgu
parents:
20388
diff
changeset
|
3941 } |
| 20360 | 3942 |
| 3943 // Verify if nmt option is valid. | |
| 3944 if (MemTracker::verify_nmt_option()) { | |
| 3945 // Late initialization, still in single-threaded mode. | |
| 3946 if (MemTracker::tracking_level() >= NMT_summary) { | |
| 3947 MemTracker::init(); | |
| 3948 } | |
| 3949 } else { | |
| 3950 vm_exit_during_initialization("Syntax error, expecting -XX:NativeMemoryTracking=[off|summary|detail]", NULL); | |
| 3951 } | |
| 3952 } | |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3953 #endif |
| 6197 | 3954 |
|
1768
6ee479178066
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
1745
diff
changeset
|
3955 |
|
6ee479178066
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
1745
diff
changeset
|
3956 #ifndef PRODUCT |
|
6ee479178066
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
1745
diff
changeset
|
3957 if (match_option(option, "-XX:+PrintFlagsWithComments", &tail)) { |
| 4773 | 3958 CommandLineFlags::printFlags(tty, true); |
|
1768
6ee479178066
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
1745
diff
changeset
|
3959 vm_exit(0); |
|
6ee479178066
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
1745
diff
changeset
|
3960 } |
|
6ee479178066
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
1745
diff
changeset
|
3961 #endif |
| 564 | 3962 } |
| 3963 | |
| 3964 if (IgnoreUnrecognizedVMOptions) { | |
| 3965 // uncast const to modify the flag args->ignoreUnrecognized | |
| 3966 *(jboolean*)(&args->ignoreUnrecognized) = true; | |
| 3967 } | |
| 3968 | |
| 3969 // Parse specified settings file | |
| 3970 if (settings_file_specified) { | |
| 3971 if (!process_settings_file(flags_file, true, args->ignoreUnrecognized)) { | |
| 3972 return JNI_EINVAL; | |
| 3973 } | |
|
6196
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3974 } else { |
|
6150
1e76463170b3
7110720: Issue with vm config file loadingIssue with vm config file loading
kamg
parents:
4780
diff
changeset
|
3975 #ifdef ASSERT |
|
6196
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3976 // Parse default .hotspotrc settings file |
| 0 | 3977 if (!process_settings_file(".hotspotrc", false, args->ignoreUnrecognized)) { |
| 3978 return JNI_EINVAL; | |
| 3979 } | |
|
6196
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3980 #else |
|
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3981 struct stat buf; |
|
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3982 if (os::stat(hotspotrc, &buf) == 0) { |
|
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3983 needs_hotspotrc_warning = true; |
|
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3984 } |
|
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3985 #endif |
| 0 | 3986 } |
| 3987 | |
| 3988 if (PrintVMOptions) { | |
| 3989 for (index = 0; index < args->nOptions; index++) { | |
| 3990 const JavaVMOption *option = args->options + index; | |
| 3991 if (match_option(option, "-XX:", &tail)) { | |
| 3992 logOption(tail); | |
| 3993 } | |
| 3994 } | |
| 3995 } | |
| 3996 | |
| 3997 // Parse JavaVMInitArgs structure passed in, as well as JAVA_TOOL_OPTIONS and _JAVA_OPTIONS | |
| 3998 jint result = parse_vm_init_args(args); | |
| 3999 if (result != JNI_OK) { | |
| 4000 return result; | |
| 4001 } | |
| 4002 | |
|
10270
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
4003 // Call get_shared_archive_path() here, after possible SharedArchiveFile option got parsed. |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
4004 SharedArchivePath = get_shared_archive_path(); |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
4005 if (SharedArchivePath == NULL) { |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
4006 return JNI_ENOMEM; |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
4007 } |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
4008 |
| 18096 | 4009 // Set up VerifySharedSpaces |
| 4010 if (FLAG_IS_DEFAULT(VerifySharedSpaces) && SharedArchiveFile != NULL) { | |
| 4011 VerifySharedSpaces = true; | |
| 4012 } | |
| 4013 | |
|
6196
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
4014 // Delay warning until here so that we've had a chance to process |
|
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
4015 // the -XX:-PrintWarnings flag |
|
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
4016 if (needs_hotspotrc_warning) { |
|
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
4017 warning("%s file is present but has been ignored. " |
|
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
4018 "Run with -XX:Flags=%s to load the file.", |
|
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
4019 hotspotrc, hotspotrc); |
|
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
4020 } |
|
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
4021 |
|
6917
e81fbc04a942
7191817: -XX:+UseSerialGC -XX:+UseLargePages crashes with SIGFPE on MacOS X
coleenp
parents:
6916
diff
changeset
|
4022 #ifdef _ALLBSD_SOURCE // UseLargePages is not yet supported on BSD. |
|
e81fbc04a942
7191817: -XX:+UseSerialGC -XX:+UseLargePages crashes with SIGFPE on MacOS X
coleenp
parents:
6916
diff
changeset
|
4023 UNSUPPORTED_OPTION(UseLargePages, "-XX:+UseLargePages"); |
|
e81fbc04a942
7191817: -XX:+UseSerialGC -XX:+UseLargePages crashes with SIGFPE on MacOS X
coleenp
parents:
6916
diff
changeset
|
4024 #endif |
|
e81fbc04a942
7191817: -XX:+UseSerialGC -XX:+UseLargePages crashes with SIGFPE on MacOS X
coleenp
parents:
6916
diff
changeset
|
4025 |
|
8086
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
4026 #if INCLUDE_ALL_GCS |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
4027 #if (defined JAVASE_EMBEDDED || defined ARM) |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
4028 UNSUPPORTED_OPTION(UseG1GC, "G1 GC"); |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
4029 #endif |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
4030 #endif |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
4031 |
| 0 | 4032 #ifndef PRODUCT |
| 4033 if (TraceBytecodesAt != 0) { | |
| 4034 TraceBytecodes = true; | |
| 4035 } | |
| 4036 if (CountCompiledCalls) { | |
| 4037 if (UseCounterDecay) { | |
| 4038 warning("UseCounterDecay disabled because CountCalls is set"); | |
| 4039 UseCounterDecay = false; | |
| 4040 } | |
| 4041 } | |
| 4042 #endif // PRODUCT | |
| 4043 | |
|
2416
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
4044 // JSR 292 is not supported before 1.7 |
|
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
4045 if (!JDK_Version::is_gte_jdk17x_version()) { |
|
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
4046 if (EnableInvokeDynamic) { |
|
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
4047 if (!FLAG_IS_DEFAULT(EnableInvokeDynamic)) { |
|
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
4048 warning("JSR 292 is not supported before 1.7. Disabling support."); |
|
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
4049 } |
|
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
4050 EnableInvokeDynamic = false; |
| 710 | 4051 } |
| 4052 } | |
|
2416
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
4053 |
|
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
4054 if (EnableInvokeDynamic && ScavengeRootsInCode == 0) { |
|
989
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
932
diff
changeset
|
4055 if (!FLAG_IS_DEFAULT(ScavengeRootsInCode)) { |
|
2416
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
4056 warning("forcing ScavengeRootsInCode non-zero because EnableInvokeDynamic is true"); |
|
989
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
932
diff
changeset
|
4057 } |
|
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
932
diff
changeset
|
4058 ScavengeRootsInCode = 1; |
|
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
932
diff
changeset
|
4059 } |
| 710 | 4060 |
| 0 | 4061 if (PrintGCDetails) { |
| 4062 // Turn on -verbose:gc options as well | |
| 4063 PrintGC = true; | |
| 4064 } | |
| 4065 | |
|
6064
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
4066 if (!JDK_Version::is_gte_jdk18x_version()) { |
|
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
4067 // To avoid changing the log format for 7 updates this flag is only |
|
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
4068 // true by default in JDK8 and above. |
|
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
4069 if (FLAG_IS_DEFAULT(PrintGCCause)) { |
|
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
4070 FLAG_SET_DEFAULT(PrintGCCause, false); |
|
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
4071 } |
|
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
4072 } |
|
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
4073 |
|
1571
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
4074 // Set object alignment values. |
|
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
4075 set_object_alignment(); |
|
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
4076 |
|
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
4077 #if !INCLUDE_ALL_GCS |
| 1064 | 4078 force_serial_gc(); |
|
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
4079 #endif // INCLUDE_ALL_GCS |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
4080 #if !INCLUDE_CDS |
|
8720
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
4081 if (DumpSharedSpaces || RequireSharedSpaces) { |
|
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
4082 jio_fprintf(defaultStream::error_stream(), |
|
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
4083 "Shared spaces are not supported in this VM\n"); |
|
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
4084 return JNI_ERR; |
|
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
4085 } |
|
8724
69ffa4ac9e53
8009835: Only produce a warning when -Xshare:auto is explicitly requested
jprovino
parents:
8720
diff
changeset
|
4086 if ((UseSharedSpaces && FLAG_IS_CMDLINE(UseSharedSpaces)) || PrintSharedSpaces) { |
|
8720
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
4087 warning("Shared spaces are not supported in this VM"); |
|
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
4088 FLAG_SET_DEFAULT(UseSharedSpaces, false); |
|
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
4089 FLAG_SET_DEFAULT(PrintSharedSpaces, false); |
|
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
4090 } |
|
20375
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
4091 no_shared_spaces("CDS Disabled"); |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
4092 #endif // INCLUDE_CDS |
| 0 | 4093 |
|
12233
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
4094 return JNI_OK; |
|
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
4095 } |
|
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
4096 |
|
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
4097 jint Arguments::apply_ergo() { |
|
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
4098 |
| 0 | 4099 // Set flags based on ergonomics. |
| 4100 set_ergonomics_flags(); | |
| 4101 | |
|
2362
a2c2eac1ca62
7018056: large pages not always enabled by default
jcoomes
parents:
2302
diff
changeset
|
4102 set_shared_spaces_flags(); |
|
1135
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1131
diff
changeset
|
4103 |
|
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
4104 // Check the GC selections again. |
|
20408
76af788b6c16
8057623: add an extension class for argument handling
jcoomes
parents:
20403
diff
changeset
|
4105 if (!ArgumentsExt::check_gc_consistency_ergo()) { |
|
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
4106 return JNI_EINVAL; |
|
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
4107 } |
|
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
4108 |
| 1783 | 4109 if (TieredCompilation) { |
| 4110 set_tiered_flags(); | |
| 4111 } else { | |
| 4112 // Check if the policy is valid. Policies 0 and 1 are valid for non-tiered setup. | |
| 4113 if (CompilationPolicyChoice >= 2) { | |
| 4114 vm_exit_during_initialization( | |
| 4115 "Incompatible compilation policy selected", NULL); | |
| 4116 } | |
| 4117 } | |
|
13074
78da3894b86f
8027593: performance drop with constrained codecache starting with hs25 b111
anoll
parents:
13008
diff
changeset
|
4118 // Set NmethodSweepFraction after the size of the code cache is adapted (in case of tiered) |
|
78da3894b86f
8027593: performance drop with constrained codecache starting with hs25 b111
anoll
parents:
13008
diff
changeset
|
4119 if (FLAG_IS_DEFAULT(NmethodSweepFraction)) { |
|
78da3894b86f
8027593: performance drop with constrained codecache starting with hs25 b111
anoll
parents:
13008
diff
changeset
|
4120 FLAG_SET_DEFAULT(NmethodSweepFraction, 1 + ReservedCodeCacheSize / (16 * M)); |
|
78da3894b86f
8027593: performance drop with constrained codecache starting with hs25 b111
anoll
parents:
13008
diff
changeset
|
4121 } |
|
78da3894b86f
8027593: performance drop with constrained codecache starting with hs25 b111
anoll
parents:
13008
diff
changeset
|
4122 |
| 1783 | 4123 |
|
2368
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
4124 // Set heap size based on available physical memory |
|
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
4125 set_heap_size(); |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
4126 |
|
20655
b840813adfcc
8065305: Make it possible to extend the G1CollectorPolicy
jwilhelm
parents:
20654
diff
changeset
|
4127 ArgumentsExt::set_gc_specific_flags(); |
| 0 | 4128 |
|
12838
85c1ca43713f
8024547: MaxMetaspaceSize should limit the committed memory used by the metaspaces
stefank
parents:
12831
diff
changeset
|
4129 // Initialize Metaspace flags and alignments. |
|
85c1ca43713f
8024547: MaxMetaspaceSize should limit the committed memory used by the metaspaces
stefank
parents:
12831
diff
changeset
|
4130 Metaspace::ergo_initialize(); |
|
85c1ca43713f
8024547: MaxMetaspaceSize should limit the committed memory used by the metaspaces
stefank
parents:
12831
diff
changeset
|
4131 |
| 0 | 4132 // Set bytecode rewriting flags |
| 4133 set_bytecode_flags(); | |
| 4134 | |
| 4135 // Set flags if Aggressive optimization flags (-XX:+AggressiveOpts) enabled. | |
| 4136 set_aggressive_opts_flags(); | |
| 4137 | |
|
2239
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
4138 // Turn off biased locking for locking debug mode flags, |
|
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
4139 // which are subtlely different from each other but neither works with |
|
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
4140 // biased locking. |
| 2331 | 4141 if (UseHeavyMonitors |
| 4142 #ifdef COMPILER1 | |
| 4143 || !UseFastLocking | |
| 4144 #endif // COMPILER1 | |
|
7154
5d0bb7d52783
changes to support Graal co-existing with the other HotSpot compiler(s) and being used for explicit compilation requests and code installation via the Graal API
Doug Simon <doug.simon@oracle.com>
parents:
7125
diff
changeset
|
4145 #ifdef GRAAL |
|
5d0bb7d52783
changes to support Graal co-existing with the other HotSpot compiler(s) and being used for explicit compilation requests and code installation via the Graal API
Doug Simon <doug.simon@oracle.com>
parents:
7125
diff
changeset
|
4146 || !GraalUseFastLocking |
|
5d0bb7d52783
changes to support Graal co-existing with the other HotSpot compiler(s) and being used for explicit compilation requests and code installation via the Graal API
Doug Simon <doug.simon@oracle.com>
parents:
7125
diff
changeset
|
4147 #endif // GRAAL |
| 2331 | 4148 ) { |
|
2239
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
4149 if (!FLAG_IS_DEFAULT(UseBiasedLocking) && UseBiasedLocking) { |
|
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
4150 // flag set to true on command line; warn the user that they |
|
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
4151 // can't enable biased locking here |
|
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
4152 warning("Biased Locking is not supported with locking debug flags" |
|
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
4153 "; ignoring UseBiasedLocking flag." ); |
|
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
4154 } |
|
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
4155 UseBiasedLocking = false; |
|
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
4156 } |
|
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
4157 |
|
14420
abe03600372a
8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents:
14412
diff
changeset
|
4158 #ifdef ZERO |
|
abe03600372a
8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents:
14412
diff
changeset
|
4159 // Clear flags not supported on zero. |
| 1131 | 4160 FLAG_SET_DEFAULT(ProfileInterpreter, false); |
| 0 | 4161 FLAG_SET_DEFAULT(UseBiasedLocking, false); |
| 1131 | 4162 LP64_ONLY(FLAG_SET_DEFAULT(UseCompressedOops, false)); |
|
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
4163 LP64_ONLY(FLAG_SET_DEFAULT(UseCompressedClassPointers, false)); |
| 1131 | 4164 #endif // CC_INTERP |
| 4165 | |
|
420
a1980da045cc
6462850: generate biased locking code in C2 ideal graph
kvn
parents:
416
diff
changeset
|
4166 #ifdef COMPILER2 |
| 4777 | 4167 if (!EliminateLocks) { |
| 4168 EliminateNestedLocks = false; | |
| 4169 } | |
| 7473 | 4170 if (!Inline) { |
| 4171 IncrementalInline = false; | |
| 4172 } | |
| 4173 #ifndef PRODUCT | |
| 4174 if (!IncrementalInline) { | |
| 4175 AlwaysIncrementalInline = false; | |
| 4176 } | |
| 4177 #endif | |
| 4178 if (IncrementalInline && FLAG_IS_DEFAULT(MaxNodeLimit)) { | |
| 4179 // incremental inlining: bump MaxNodeLimit | |
| 4180 FLAG_SET_DEFAULT(MaxNodeLimit, (intx)75000); | |
| 4181 } | |
| 12966 | 4182 if (!UseTypeSpeculation && FLAG_IS_DEFAULT(TypeProfileLevel)) { |
| 4183 // nothing to use the profiling, turn if off | |
| 4184 FLAG_SET_DEFAULT(TypeProfileLevel, 0); | |
| 4185 } | |
|
420
a1980da045cc
6462850: generate biased locking code in C2 ideal graph
kvn
parents:
416
diff
changeset
|
4186 #endif |
|
a1980da045cc
6462850: generate biased locking code in C2 ideal graph
kvn
parents:
416
diff
changeset
|
4187 |
|
1155
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1150
diff
changeset
|
4188 if (PrintAssembly && FLAG_IS_DEFAULT(DebugNonSafepoints)) { |
|
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1150
diff
changeset
|
4189 warning("PrintAssembly is enabled; turning on DebugNonSafepoints to gain additional output"); |
|
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1150
diff
changeset
|
4190 DebugNonSafepoints = true; |
|
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1150
diff
changeset
|
4191 } |
|
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1150
diff
changeset
|
4192 |
|
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
4193 if (FLAG_IS_CMDLINE(CompressedClassSpaceSize) && !UseCompressedClassPointers) { |
|
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
4194 warning("Setting CompressedClassSpaceSize has no effect when compressed class pointers are not used"); |
|
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
4195 } |
|
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
4196 |
|
1188
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
4197 #ifndef PRODUCT |
|
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
4198 if (CompileTheWorld) { |
|
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
4199 // Force NmethodSweeper to sweep whole CodeCache each time. |
|
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
4200 if (FLAG_IS_DEFAULT(NmethodSweepFraction)) { |
|
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
4201 NmethodSweepFraction = 1; |
|
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
4202 } |
|
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
4203 } |
|
12257
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
4204 |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
4205 if (!LogVMOutput && FLAG_IS_DEFAULT(LogVMOutput)) { |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
4206 if (use_vm_log()) { |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
4207 LogVMOutput = true; |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
4208 } |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
4209 } |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
4210 #endif // PRODUCT |
|
1188
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
4211 |
| 0 | 4212 if (PrintCommandLineFlags) { |
| 4773 | 4213 CommandLineFlags::printSetFlags(tty); |
| 0 | 4214 } |
| 4215 | |
|
1681
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
4216 // Apply CPU specific policy for the BiasedLocking |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
4217 if (UseBiasedLocking) { |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
4218 if (!VM_Version::use_biased_locking() && |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
4219 !(FLAG_IS_CMDLINE(UseBiasedLocking))) { |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
4220 UseBiasedLocking = false; |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
4221 } |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
4222 } |
| 17780 | 4223 #ifdef COMPILER2 |
| 4224 if (!UseBiasedLocking || EmitSync != 0) { | |
| 4225 UseOptoBiasInlining = false; | |
| 4226 } | |
| 4227 #endif | |
|
1681
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
4228 |
|
2302
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
4229 // set PauseAtExit if the gamma launcher was used and a debugger is attached |
|
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
4230 // but only if not already set on the commandline |
|
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
4231 if (Arguments::created_by_gamma_launcher() && os::is_debugger_attached()) { |
|
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
4232 bool set = false; |
|
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
4233 CommandLineFlags::wasSetOnCmdline("PauseAtExit", &set); |
|
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
4234 if (!set) { |
|
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
4235 FLAG_SET_DEFAULT(PauseAtExit, true); |
|
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
4236 } |
|
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
4237 } |
|
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
4238 |
| 0 | 4239 return JNI_OK; |
| 4240 } | |
| 4241 | |
|
7177
53715fb1597d
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
6982
diff
changeset
|
4242 jint Arguments::adjust_after_os() { |
| 20241 | 4243 if (UseNUMA) { |
| 4244 if (UseParallelGC || UseParallelOldGC) { | |
|
7177
53715fb1597d
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4245 if (FLAG_IS_DEFAULT(MinHeapDeltaBytes)) { |
| 20241 | 4246 FLAG_SET_DEFAULT(MinHeapDeltaBytes, 64*M); |
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4247 } |
| 20241 | 4248 } |
| 4249 // UseNUMAInterleaving is set to ON for all collectors and | |
| 4250 // platforms when UseNUMA is set to ON. NUMA-aware collectors | |
| 4251 // such as the parallel collector for Linux and Solaris will | |
| 4252 // interleave old gen and survivor spaces on top of NUMA | |
| 4253 // allocation policy for the eden space. | |
| 4254 // Non NUMA-aware collectors such as CMS, G1 and Serial-GC on | |
| 4255 // all platforms and ParallelGC on Windows will interleave all | |
| 4256 // of the heap spaces across NUMA nodes. | |
| 4257 if (FLAG_IS_DEFAULT(UseNUMAInterleaving)) { | |
| 4258 FLAG_SET_ERGO(bool, UseNUMAInterleaving, true); | |
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4259 } |
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4260 } |
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4261 return JNI_OK; |
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4262 } |
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4263 |
| 0 | 4264 int Arguments::PropertyList_count(SystemProperty* pl) { |
| 4265 int count = 0; | |
| 4266 while(pl != NULL) { | |
| 4267 count++; | |
| 4268 pl = pl->next(); | |
| 4269 } | |
| 4270 return count; | |
| 4271 } | |
| 4272 | |
| 4273 const char* Arguments::PropertyList_get_value(SystemProperty *pl, const char* key) { | |
| 4274 assert(key != NULL, "just checking"); | |
| 4275 SystemProperty* prop; | |
| 4276 for (prop = pl; prop != NULL; prop = prop->next()) { | |
| 4277 if (strcmp(key, prop->key()) == 0) return prop->value(); | |
| 4278 } | |
| 4279 return NULL; | |
| 4280 } | |
| 4281 | |
| 4282 const char* Arguments::PropertyList_get_key_at(SystemProperty *pl, int index) { | |
| 4283 int count = 0; | |
| 4284 const char* ret_val = NULL; | |
| 4285 | |
| 4286 while(pl != NULL) { | |
| 4287 if(count >= index) { | |
| 4288 ret_val = pl->key(); | |
| 4289 break; | |
| 4290 } | |
| 4291 count++; | |
| 4292 pl = pl->next(); | |
| 4293 } | |
| 4294 | |
| 4295 return ret_val; | |
| 4296 } | |
| 4297 | |
| 4298 char* Arguments::PropertyList_get_value_at(SystemProperty* pl, int index) { | |
| 4299 int count = 0; | |
| 4300 char* ret_val = NULL; | |
| 4301 | |
| 4302 while(pl != NULL) { | |
| 4303 if(count >= index) { | |
| 4304 ret_val = pl->value(); | |
| 4305 break; | |
| 4306 } | |
| 4307 count++; | |
| 4308 pl = pl->next(); | |
| 4309 } | |
| 4310 | |
| 4311 return ret_val; | |
| 4312 } | |
| 4313 | |
| 4314 void Arguments::PropertyList_add(SystemProperty** plist, SystemProperty *new_p) { | |
| 4315 SystemProperty* p = *plist; | |
| 4316 if (p == NULL) { | |
| 4317 *plist = new_p; | |
| 4318 } else { | |
| 4319 while (p->next() != NULL) { | |
| 4320 p = p->next(); | |
| 4321 } | |
| 4322 p->set_next(new_p); | |
| 4323 } | |
| 4324 } | |
| 4325 | |
| 4326 void Arguments::PropertyList_add(SystemProperty** plist, const char* k, char* v) { | |
| 4327 if (plist == NULL) | |
| 4328 return; | |
| 4329 | |
| 4330 SystemProperty* new_p = new SystemProperty(k, v, true); | |
| 4331 PropertyList_add(plist, new_p); | |
| 4332 } | |
| 4333 | |
| 4334 // This add maintains unique property key in the list. | |
| 691 | 4335 void Arguments::PropertyList_unique_add(SystemProperty** plist, const char* k, char* v, jboolean append) { |
| 0 | 4336 if (plist == NULL) |
| 4337 return; | |
| 4338 | |
| 4339 // If property key exist then update with new value. | |
| 4340 SystemProperty* prop; | |
| 4341 for (prop = *plist; prop != NULL; prop = prop->next()) { | |
| 4342 if (strcmp(k, prop->key()) == 0) { | |
| 691 | 4343 if (append) { |
| 4344 prop->append_value(v); | |
| 4345 } else { | |
| 4346 prop->set_value(v); | |
| 4347 } | |
| 0 | 4348 return; |
| 4349 } | |
| 4350 } | |
| 4351 | |
| 4352 PropertyList_add(plist, k, v); | |
| 4353 } | |
| 4354 | |
| 4355 // Copies src into buf, replacing "%%" with "%" and "%p" with pid | |
| 4356 // Returns true if all of the source pointed by src has been copied over to | |
| 4357 // the destination buffer pointed by buf. Otherwise, returns false. | |
| 4358 // Notes: | |
| 4359 // 1. If the length (buflen) of the destination buffer excluding the | |
| 4360 // NULL terminator character is not long enough for holding the expanded | |
| 4361 // pid characters, it also returns false instead of returning the partially | |
| 4362 // expanded one. | |
| 4363 // 2. The passed in "buflen" should be large enough to hold the null terminator. | |
| 4364 bool Arguments::copy_expand_pid(const char* src, size_t srclen, | |
| 4365 char* buf, size_t buflen) { | |
| 4366 const char* p = src; | |
| 4367 char* b = buf; | |
| 4368 const char* src_end = &src[srclen]; | |
| 4369 char* buf_end = &buf[buflen - 1]; | |
| 4370 | |
| 4371 while (p < src_end && b < buf_end) { | |
| 4372 if (*p == '%') { | |
| 4373 switch (*(++p)) { | |
| 4374 case '%': // "%%" ==> "%" | |
| 4375 *b++ = *p++; | |
| 4376 break; | |
| 4377 case 'p': { // "%p" ==> current process id | |
| 4378 // buf_end points to the character before the last character so | |
| 4379 // that we could write '\0' to the end of the buffer. | |
| 4380 size_t buf_sz = buf_end - b + 1; | |
| 4381 int ret = jio_snprintf(b, buf_sz, "%d", os::current_process_id()); | |
| 4382 | |
| 4383 // if jio_snprintf fails or the buffer is not long enough to hold | |
| 4384 // the expanded pid, returns false. | |
| 4385 if (ret < 0 || ret >= (int)buf_sz) { | |
| 4386 return false; | |
| 4387 } else { | |
| 4388 b += ret; | |
| 4389 assert(*b == '\0', "fail in copy_expand_pid"); | |
| 4390 if (p == src_end && b == buf_end + 1) { | |
| 4391 // reach the end of the buffer. | |
| 4392 return true; | |
| 4393 } | |
| 4394 } | |
| 4395 p++; | |
| 4396 break; | |
| 4397 } | |
| 4398 default : | |
| 4399 *b++ = '%'; | |
| 4400 } | |
| 4401 } else { | |
| 4402 *b++ = *p++; | |
| 4403 } | |
| 4404 } | |
| 4405 *b = '\0'; | |
| 4406 return (p == src_end); // return false if not all of the source was copied | |
| 4407 } |