Mercurial > hg > truffle
annotate src/share/vm/runtime/arguments.cpp @ 15000:cc844a4512f1
added graal.version system property that is (only) defined by Graal enabled VMs
| author | Doug Simon <doug.simon@oracle.com> |
|---|---|
| date | Mon, 07 Apr 2014 16:24:49 +0200 |
| parents | 4ca6dc0799b6 |
| children | 289a017dd9e2 |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 14909 | 2 * Copyright (c) 1997, 2013, 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" |
| 26 #include "classfile/javaAssertions.hpp" | |
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27 #include "classfile/symbolTable.hpp" |
| 1972 | 28 #include "compiler/compilerOracle.hpp" |
| 29 #include "memory/allocation.inline.hpp" | |
| 30 #include "memory/cardTableRS.hpp" | |
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31 #include "memory/genCollectedHeap.hpp" |
| 1972 | 32 #include "memory/referenceProcessor.hpp" |
| 33 #include "memory/universe.inline.hpp" | |
| 34 #include "oops/oop.inline.hpp" | |
| 35 #include "prims/jvmtiExport.hpp" | |
| 36 #include "runtime/arguments.hpp" | |
| 37 #include "runtime/globals_extension.hpp" | |
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38 #include "runtime/gpu.hpp" |
| 1972 | 39 #include "runtime/java.hpp" |
| 40 #include "services/management.hpp" | |
| 6197 | 41 #include "services/memTracker.hpp" |
| 1972 | 42 #include "utilities/defaultStream.hpp" |
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43 #include "utilities/macros.hpp" |
| 1972 | 44 #include "utilities/taskqueue.hpp" |
| 45 #ifdef TARGET_OS_FAMILY_linux | |
| 46 # include "os_linux.inline.hpp" | |
| 47 #endif | |
| 48 #ifdef TARGET_OS_FAMILY_solaris | |
| 49 # include "os_solaris.inline.hpp" | |
| 50 #endif | |
| 51 #ifdef TARGET_OS_FAMILY_windows | |
| 52 # include "os_windows.inline.hpp" | |
| 53 #endif | |
| 3960 | 54 #ifdef TARGET_OS_FAMILY_bsd |
| 55 # include "os_bsd.inline.hpp" | |
| 56 #endif | |
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57 #if INCLUDE_ALL_GCS |
| 1972 | 58 #include "gc_implementation/concurrentMarkSweep/compactibleFreeListSpace.hpp" |
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59 #include "gc_implementation/g1/g1CollectedHeap.inline.hpp" |
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60 #include "gc_implementation/parallelScavenge/parallelScavengeHeap.hpp" |
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61 #endif // INCLUDE_ALL_GCS |
| 0 | 62 |
| 2474 | 63 // Note: This is a special bug reporting site for the JVM |
| 64 #define DEFAULT_VENDOR_URL_BUG "http://bugreport.sun.com/bugreport/crash.jsp" | |
| 0 | 65 #define DEFAULT_JAVA_LAUNCHER "generic" |
| 66 | |
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67 // Disable options not supported in this release, with a warning if they |
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68 // were explicitly requested on the command-line |
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69 #define UNSUPPORTED_OPTION(opt, description) \ |
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70 do { \ |
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71 if (opt) { \ |
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72 if (FLAG_IS_CMDLINE(opt)) { \ |
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73 warning(description " is disabled in this release."); \ |
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74 } \ |
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75 FLAG_SET_DEFAULT(opt, false); \ |
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76 } \ |
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77 } while(0) |
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78 |
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79 #define UNSUPPORTED_GC_OPTION(gc) \ |
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80 do { \ |
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81 if (gc) { \ |
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82 if (FLAG_IS_CMDLINE(gc)) { \ |
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83 warning(#gc " is not supported in this VM. Using Serial GC."); \ |
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84 } \ |
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85 FLAG_SET_DEFAULT(gc, false); \ |
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86 } \ |
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87 } while(0) |
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88 |
| 0 | 89 char** Arguments::_jvm_flags_array = NULL; |
| 90 int Arguments::_num_jvm_flags = 0; | |
| 91 char** Arguments::_jvm_args_array = NULL; | |
| 92 int Arguments::_num_jvm_args = 0; | |
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93 #ifdef GRAAL |
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94 char** Arguments::_graal_args_array = NULL; |
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95 int Arguments::_num_graal_args = 0; |
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96 #endif |
| 0 | 97 char* Arguments::_java_command = NULL; |
| 98 SystemProperty* Arguments::_system_properties = NULL; | |
| 99 const char* Arguments::_gc_log_filename = NULL; | |
| 100 bool Arguments::_has_profile = false; | |
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101 size_t Arguments::_conservative_max_heap_alignment = 0; |
| 0 | 102 uintx Arguments::_min_heap_size = 0; |
| 103 Arguments::Mode Arguments::_mode = _mixed; | |
| 104 bool Arguments::_java_compiler = false; | |
| 105 bool Arguments::_xdebug_mode = false; | |
| 106 const char* Arguments::_java_vendor_url_bug = DEFAULT_VENDOR_URL_BUG; | |
| 107 const char* Arguments::_sun_java_launcher = DEFAULT_JAVA_LAUNCHER; | |
| 108 int Arguments::_sun_java_launcher_pid = -1; | |
| 14909 | 109 bool Arguments::_created_by_gamma_launcher = false; |
| 0 | 110 |
| 111 // These parameters are reset in method parse_vm_init_args(JavaVMInitArgs*) | |
| 112 bool Arguments::_AlwaysCompileLoopMethods = AlwaysCompileLoopMethods; | |
| 113 bool Arguments::_UseOnStackReplacement = UseOnStackReplacement; | |
| 114 bool Arguments::_BackgroundCompilation = BackgroundCompilation; | |
| 115 bool Arguments::_ClipInlining = ClipInlining; | |
| 116 | |
| 117 char* Arguments::SharedArchivePath = NULL; | |
| 118 | |
| 119 AgentLibraryList Arguments::_libraryList; | |
| 120 AgentLibraryList Arguments::_agentList; | |
| 121 | |
| 122 abort_hook_t Arguments::_abort_hook = NULL; | |
| 123 exit_hook_t Arguments::_exit_hook = NULL; | |
| 124 vfprintf_hook_t Arguments::_vfprintf_hook = NULL; | |
| 125 | |
| 126 | |
| 127 SystemProperty *Arguments::_java_ext_dirs = NULL; | |
| 128 SystemProperty *Arguments::_java_endorsed_dirs = NULL; | |
| 129 SystemProperty *Arguments::_sun_boot_library_path = NULL; | |
| 130 SystemProperty *Arguments::_java_library_path = NULL; | |
| 131 SystemProperty *Arguments::_java_home = NULL; | |
| 132 SystemProperty *Arguments::_java_class_path = NULL; | |
| 133 SystemProperty *Arguments::_sun_boot_class_path = NULL; | |
| 134 | |
| 135 char* Arguments::_meta_index_path = NULL; | |
| 136 char* Arguments::_meta_index_dir = NULL; | |
| 137 | |
| 138 // Check if head of 'option' matches 'name', and sets 'tail' remaining part of option string | |
| 139 | |
| 140 static bool match_option(const JavaVMOption *option, const char* name, | |
| 141 const char** tail) { | |
| 142 int len = (int)strlen(name); | |
| 143 if (strncmp(option->optionString, name, len) == 0) { | |
| 144 *tail = option->optionString + len; | |
| 145 return true; | |
| 146 } else { | |
| 147 return false; | |
| 148 } | |
| 149 } | |
| 150 | |
| 151 static void logOption(const char* opt) { | |
| 152 if (PrintVMOptions) { | |
| 153 jio_fprintf(defaultStream::output_stream(), "VM option '%s'\n", opt); | |
| 154 } | |
| 155 } | |
| 156 | |
| 157 // Process java launcher properties. | |
| 158 void Arguments::process_sun_java_launcher_properties(JavaVMInitArgs* args) { | |
| 14909 | 159 // See if sun.java.launcher or sun.java.launcher.pid is defined. |
| 0 | 160 // Must do this before setting up other system properties, |
| 161 // as some of them may depend on launcher type. | |
| 162 for (int index = 0; index < args->nOptions; index++) { | |
| 163 const JavaVMOption* option = args->options + index; | |
| 164 const char* tail; | |
| 165 | |
| 166 if (match_option(option, "-Dsun.java.launcher=", &tail)) { | |
| 167 process_java_launcher_argument(tail, option->extraInfo); | |
| 168 continue; | |
| 169 } | |
| 170 if (match_option(option, "-Dsun.java.launcher.pid=", &tail)) { | |
| 171 _sun_java_launcher_pid = atoi(tail); | |
| 172 continue; | |
| 173 } | |
| 174 } | |
| 175 } | |
| 176 | |
| 177 // Initialize system properties key and value. | |
| 178 void Arguments::init_system_properties() { | |
| 179 | |
| 180 PropertyList_add(&_system_properties, new SystemProperty("java.vm.specification.name", | |
| 181 "Java Virtual Machine Specification", false)); | |
| 182 PropertyList_add(&_system_properties, new SystemProperty("java.vm.version", VM_Version::vm_release(), false)); | |
| 183 PropertyList_add(&_system_properties, new SystemProperty("java.vm.name", VM_Version::vm_name(), false)); | |
| 184 PropertyList_add(&_system_properties, new SystemProperty("java.vm.info", VM_Version::vm_info_string(), true)); | |
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185 #ifdef GRAAL |
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186 PropertyList_add(&_system_properties, new SystemProperty("graal.version", GRAAL_VERSION, true)); |
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187 #endif |
| 0 | 188 |
| 14909 | 189 // following are JVMTI agent writeable properties. |
| 0 | 190 // Properties values are set to NULL and they are |
| 191 // os specific they are initialized in os::init_system_properties_values(). | |
| 192 _java_ext_dirs = new SystemProperty("java.ext.dirs", NULL, true); | |
| 193 _java_endorsed_dirs = new SystemProperty("java.endorsed.dirs", NULL, true); | |
| 194 _sun_boot_library_path = new SystemProperty("sun.boot.library.path", NULL, true); | |
| 195 _java_library_path = new SystemProperty("java.library.path", NULL, true); | |
| 196 _java_home = new SystemProperty("java.home", NULL, true); | |
| 197 _sun_boot_class_path = new SystemProperty("sun.boot.class.path", NULL, true); | |
| 198 | |
| 199 _java_class_path = new SystemProperty("java.class.path", "", true); | |
| 200 | |
| 201 // Add to System Property list. | |
| 202 PropertyList_add(&_system_properties, _java_ext_dirs); | |
| 203 PropertyList_add(&_system_properties, _java_endorsed_dirs); | |
| 204 PropertyList_add(&_system_properties, _sun_boot_library_path); | |
| 205 PropertyList_add(&_system_properties, _java_library_path); | |
| 206 PropertyList_add(&_system_properties, _java_home); | |
| 207 PropertyList_add(&_system_properties, _java_class_path); | |
| 208 PropertyList_add(&_system_properties, _sun_boot_class_path); | |
| 209 | |
| 210 // Set OS specific system properties values | |
| 211 os::init_system_properties_values(); | |
| 212 } | |
| 213 | |
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214 |
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215 // Update/Initialize System properties after JDK version number is known |
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216 void Arguments::init_version_specific_system_properties() { |
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217 enum { bufsz = 16 }; |
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218 char buffer[bufsz]; |
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219 const char* spec_vendor = "Sun Microsystems Inc."; |
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220 uint32_t spec_version = 0; |
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221 |
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222 if (JDK_Version::is_gte_jdk17x_version()) { |
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223 spec_vendor = "Oracle Corporation"; |
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224 spec_version = JDK_Version::current().major_version(); |
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225 } |
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226 jio_snprintf(buffer, bufsz, "1." UINT32_FORMAT, spec_version); |
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227 |
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228 PropertyList_add(&_system_properties, |
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229 new SystemProperty("java.vm.specification.vendor", spec_vendor, false)); |
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230 PropertyList_add(&_system_properties, |
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231 new SystemProperty("java.vm.specification.version", buffer, false)); |
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232 PropertyList_add(&_system_properties, |
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233 new SystemProperty("java.vm.vendor", VM_Version::vm_vendor(), false)); |
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234 } |
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235 |
| 242 | 236 /** |
| 237 * Provide a slightly more user-friendly way of eliminating -XX flags. | |
| 238 * When a flag is eliminated, it can be added to this list in order to | |
| 239 * continue accepting this flag on the command-line, while issuing a warning | |
| 240 * and ignoring the value. Once the JDK version reaches the 'accept_until' | |
| 241 * limit, we flatly refuse to admit the existence of the flag. This allows | |
| 242 * a flag to die correctly over JDK releases using HSX. | |
| 243 */ | |
| 244 typedef struct { | |
| 245 const char* name; | |
| 246 JDK_Version obsoleted_in; // when the flag went away | |
| 247 JDK_Version accept_until; // which version to start denying the existence | |
| 248 } ObsoleteFlag; | |
| 0 | 249 |
| 242 | 250 static ObsoleteFlag obsolete_jvm_flags[] = { |
| 251 { "UseTrainGC", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
| 252 { "UseSpecialLargeObjectHandling", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
| 253 { "UseOversizedCarHandling", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
| 254 { "TraceCarAllocation", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
| 255 { "PrintTrainGCProcessingStats", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
| 256 { "LogOfCarSpaceSize", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
| 257 { "OversizedCarThreshold", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
| 258 { "MinTickInterval", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
| 259 { "DefaultTickInterval", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
| 260 { "MaxTickInterval", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
| 261 { "DelayTickAdjustment", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
| 262 { "ProcessingToTenuringRatio", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
| 263 { "MinTrainLength", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
| 264 { "AppendRatio", JDK_Version::jdk_update(6,10), JDK_Version::jdk(7) }, | |
| 1064 | 265 { "DefaultMaxRAM", JDK_Version::jdk_update(6,18), JDK_Version::jdk(7) }, |
| 266 { "DefaultInitialRAMFraction", | |
| 267 JDK_Version::jdk_update(6,18), JDK_Version::jdk(7) }, | |
|
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268 { "UseDepthFirstScavengeOrder", |
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269 JDK_Version::jdk_update(6,22), JDK_Version::jdk(7) }, |
|
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270 { "HandlePromotionFailure", |
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271 JDK_Version::jdk_update(6,24), JDK_Version::jdk(8) }, |
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272 { "MaxLiveObjectEvacuationRatio", |
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273 JDK_Version::jdk_update(6,24), JDK_Version::jdk(8) }, |
|
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274 { "ForceSharedSpaces", JDK_Version::jdk_update(6,25), JDK_Version::jdk(8) }, |
|
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275 { "UseParallelOldGCCompacting", |
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276 JDK_Version::jdk_update(6,27), JDK_Version::jdk(8) }, |
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277 { "UseParallelDensePrefixUpdate", |
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278 JDK_Version::jdk_update(6,27), JDK_Version::jdk(8) }, |
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279 { "UseParallelOldGCDensePrefix", |
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280 JDK_Version::jdk_update(6,27), JDK_Version::jdk(8) }, |
| 2460 | 281 { "AllowTransitionalJSR292", JDK_Version::jdk(7), JDK_Version::jdk(8) }, |
|
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282 { "UseCompressedStrings", JDK_Version::jdk(7), JDK_Version::jdk(8) }, |
|
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283 { "CMSPermGenPrecleaningEnabled", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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284 { "CMSTriggerPermRatio", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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285 { "CMSInitiatingPermOccupancyFraction", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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286 { "AdaptivePermSizeWeight", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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287 { "PermGenPadding", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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288 { "PermMarkSweepDeadRatio", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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289 { "PermSize", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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290 { "MaxPermSize", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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291 { "MinPermHeapExpansion", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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292 { "MaxPermHeapExpansion", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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293 { "CMSRevisitStackSize", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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294 { "PrintRevisitStats", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
| 6916 | 295 { "UseVectoredExceptions", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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296 { "UseSplitVerifier", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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297 { "UseISM", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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298 { "UsePermISM", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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299 { "UseMPSS", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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300 { "UseStringCache", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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301 #ifdef PRODUCT |
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302 { "DesiredMethodLimit", |
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303 JDK_Version::jdk_update(7, 2), JDK_Version::jdk(8) }, |
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304 #endif // PRODUCT |
| 242 | 305 { NULL, JDK_Version(0), JDK_Version(0) } |
| 306 }; | |
| 307 | |
| 308 // Returns true if the flag is obsolete and fits into the range specified | |
| 309 // for being ignored. In the case that the flag is ignored, the 'version' | |
| 310 // value is filled in with the version number when the flag became | |
| 311 // obsolete so that that value can be displayed to the user. | |
| 312 bool Arguments::is_newly_obsolete(const char *s, JDK_Version* version) { | |
| 0 | 313 int i = 0; |
| 242 | 314 assert(version != NULL, "Must provide a version buffer"); |
| 315 while (obsolete_jvm_flags[i].name != NULL) { | |
| 316 const ObsoleteFlag& flag_status = obsolete_jvm_flags[i]; | |
| 0 | 317 // <flag>=xxx form |
| 318 // [-|+]<flag> form | |
| 242 | 319 if ((strncmp(flag_status.name, s, strlen(flag_status.name)) == 0) || |
| 0 | 320 ((s[0] == '+' || s[0] == '-') && |
| 242 | 321 (strncmp(flag_status.name, &s[1], strlen(flag_status.name)) == 0))) { |
| 322 if (JDK_Version::current().compare(flag_status.accept_until) == -1) { | |
| 323 *version = flag_status.obsoleted_in; | |
| 324 return true; | |
| 325 } | |
| 0 | 326 } |
| 327 i++; | |
| 328 } | |
| 329 return false; | |
| 330 } | |
| 331 | |
| 332 // Constructs the system class path (aka boot class path) from the following | |
| 333 // components, in order: | |
| 334 // | |
| 335 // prefix // from -Xbootclasspath/p:... | |
| 336 // endorsed // the expansion of -Djava.endorsed.dirs=... | |
| 337 // base // from os::get_system_properties() or -Xbootclasspath= | |
| 338 // suffix // from -Xbootclasspath/a:... | |
| 339 // | |
| 340 // java.endorsed.dirs is a list of directories; any jar or zip files in the | |
| 341 // directories are added to the sysclasspath just before the base. | |
| 342 // | |
| 343 // This could be AllStatic, but it isn't needed after argument processing is | |
| 344 // complete. | |
| 345 class SysClassPath: public StackObj { | |
| 346 public: | |
| 347 SysClassPath(const char* base); | |
| 348 ~SysClassPath(); | |
| 349 | |
| 350 inline void set_base(const char* base); | |
| 351 inline void add_prefix(const char* prefix); | |
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352 inline void add_suffix_to_prefix(const char* suffix); |
| 0 | 353 inline void add_suffix(const char* suffix); |
| 354 inline void reset_path(const char* base); | |
| 355 | |
| 356 // Expand the jar/zip files in each directory listed by the java.endorsed.dirs | |
| 357 // property. Must be called after all command-line arguments have been | |
| 358 // processed (in particular, -Djava.endorsed.dirs=...) and before calling | |
| 359 // combined_path(). | |
| 360 void expand_endorsed(); | |
| 361 | |
| 362 inline const char* get_base() const { return _items[_scp_base]; } | |
| 363 inline const char* get_prefix() const { return _items[_scp_prefix]; } | |
| 364 inline const char* get_suffix() const { return _items[_scp_suffix]; } | |
| 365 inline const char* get_endorsed() const { return _items[_scp_endorsed]; } | |
| 366 | |
| 367 // Combine all the components into a single c-heap-allocated string; caller | |
| 368 // must free the string if/when no longer needed. | |
| 369 char* combined_path(); | |
| 370 | |
| 371 private: | |
| 372 // Utility routines. | |
| 373 static char* add_to_path(const char* path, const char* str, bool prepend); | |
| 374 static char* add_jars_to_path(char* path, const char* directory); | |
| 375 | |
| 376 inline void reset_item_at(int index); | |
| 377 | |
| 378 // Array indices for the items that make up the sysclasspath. All except the | |
| 379 // base are allocated in the C heap and freed by this class. | |
| 380 enum { | |
| 381 _scp_prefix, // from -Xbootclasspath/p:... | |
| 382 _scp_endorsed, // the expansion of -Djava.endorsed.dirs=... | |
| 383 _scp_base, // the default sysclasspath | |
| 384 _scp_suffix, // from -Xbootclasspath/a:... | |
| 385 _scp_nitems // the number of items, must be last. | |
| 386 }; | |
| 387 | |
| 388 const char* _items[_scp_nitems]; | |
| 389 DEBUG_ONLY(bool _expansion_done;) | |
| 390 }; | |
| 391 | |
| 392 SysClassPath::SysClassPath(const char* base) { | |
| 393 memset(_items, 0, sizeof(_items)); | |
| 394 _items[_scp_base] = base; | |
| 395 DEBUG_ONLY(_expansion_done = false;) | |
| 396 } | |
| 397 | |
| 398 SysClassPath::~SysClassPath() { | |
| 399 // Free everything except the base. | |
| 400 for (int i = 0; i < _scp_nitems; ++i) { | |
| 401 if (i != _scp_base) reset_item_at(i); | |
| 402 } | |
| 403 DEBUG_ONLY(_expansion_done = false;) | |
| 404 } | |
| 405 | |
| 406 inline void SysClassPath::set_base(const char* base) { | |
| 407 _items[_scp_base] = base; | |
| 408 } | |
| 409 | |
| 410 inline void SysClassPath::add_prefix(const char* prefix) { | |
| 411 _items[_scp_prefix] = add_to_path(_items[_scp_prefix], prefix, true); | |
| 412 } | |
| 413 | |
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414 inline void SysClassPath::add_suffix_to_prefix(const char* suffix) { |
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415 _items[_scp_prefix] = add_to_path(_items[_scp_prefix], suffix, false); |
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416 } |
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417 |
| 0 | 418 inline void SysClassPath::add_suffix(const char* suffix) { |
| 419 _items[_scp_suffix] = add_to_path(_items[_scp_suffix], suffix, false); | |
| 420 } | |
| 421 | |
| 422 inline void SysClassPath::reset_item_at(int index) { | |
| 423 assert(index < _scp_nitems && index != _scp_base, "just checking"); | |
| 424 if (_items[index] != NULL) { | |
| 6197 | 425 FREE_C_HEAP_ARRAY(char, _items[index], mtInternal); |
| 0 | 426 _items[index] = NULL; |
| 427 } | |
| 428 } | |
| 429 | |
| 430 inline void SysClassPath::reset_path(const char* base) { | |
| 431 // Clear the prefix and suffix. | |
| 432 reset_item_at(_scp_prefix); | |
| 433 reset_item_at(_scp_suffix); | |
| 434 set_base(base); | |
| 435 } | |
| 436 | |
| 437 //------------------------------------------------------------------------------ | |
| 438 | |
| 439 void SysClassPath::expand_endorsed() { | |
| 440 assert(_items[_scp_endorsed] == NULL, "can only be called once."); | |
| 441 | |
| 442 const char* path = Arguments::get_property("java.endorsed.dirs"); | |
| 443 if (path == NULL) { | |
| 444 path = Arguments::get_endorsed_dir(); | |
| 445 assert(path != NULL, "no default for java.endorsed.dirs"); | |
| 446 } | |
| 447 | |
| 448 char* expanded_path = NULL; | |
| 449 const char separator = *os::path_separator(); | |
| 450 const char* const end = path + strlen(path); | |
| 451 while (path < end) { | |
| 452 const char* tmp_end = strchr(path, separator); | |
| 453 if (tmp_end == NULL) { | |
| 454 expanded_path = add_jars_to_path(expanded_path, path); | |
| 455 path = end; | |
| 456 } else { | |
| 6197 | 457 char* dirpath = NEW_C_HEAP_ARRAY(char, tmp_end - path + 1, mtInternal); |
| 0 | 458 memcpy(dirpath, path, tmp_end - path); |
| 459 dirpath[tmp_end - path] = '\0'; | |
| 460 expanded_path = add_jars_to_path(expanded_path, dirpath); | |
| 6197 | 461 FREE_C_HEAP_ARRAY(char, dirpath, mtInternal); |
| 0 | 462 path = tmp_end + 1; |
| 463 } | |
| 464 } | |
| 465 _items[_scp_endorsed] = expanded_path; | |
| 466 DEBUG_ONLY(_expansion_done = true;) | |
| 467 } | |
| 468 | |
| 469 // Combine the bootclasspath elements, some of which may be null, into a single | |
| 470 // c-heap-allocated string. | |
| 471 char* SysClassPath::combined_path() { | |
| 472 assert(_items[_scp_base] != NULL, "empty default sysclasspath"); | |
| 473 assert(_expansion_done, "must call expand_endorsed() first."); | |
| 474 | |
| 475 size_t lengths[_scp_nitems]; | |
| 476 size_t total_len = 0; | |
| 477 | |
| 478 const char separator = *os::path_separator(); | |
| 479 | |
| 480 // Get the lengths. | |
| 481 int i; | |
| 482 for (i = 0; i < _scp_nitems; ++i) { | |
| 483 if (_items[i] != NULL) { | |
| 484 lengths[i] = strlen(_items[i]); | |
| 485 // Include space for the separator char (or a NULL for the last item). | |
| 486 total_len += lengths[i] + 1; | |
| 487 } | |
| 488 } | |
| 489 assert(total_len > 0, "empty sysclasspath not allowed"); | |
| 490 | |
| 491 // Copy the _items to a single string. | |
| 6197 | 492 char* cp = NEW_C_HEAP_ARRAY(char, total_len, mtInternal); |
| 0 | 493 char* cp_tmp = cp; |
| 494 for (i = 0; i < _scp_nitems; ++i) { | |
| 495 if (_items[i] != NULL) { | |
| 496 memcpy(cp_tmp, _items[i], lengths[i]); | |
| 497 cp_tmp += lengths[i]; | |
| 498 *cp_tmp++ = separator; | |
| 499 } | |
| 500 } | |
| 501 *--cp_tmp = '\0'; // Replace the extra separator. | |
| 502 return cp; | |
| 503 } | |
| 504 | |
| 505 // Note: path must be c-heap-allocated (or NULL); it is freed if non-null. | |
| 506 char* | |
| 507 SysClassPath::add_to_path(const char* path, const char* str, bool prepend) { | |
| 508 char *cp; | |
| 509 | |
| 510 assert(str != NULL, "just checking"); | |
| 511 if (path == NULL) { | |
| 512 size_t len = strlen(str) + 1; | |
| 6197 | 513 cp = NEW_C_HEAP_ARRAY(char, len, mtInternal); |
| 0 | 514 memcpy(cp, str, len); // copy the trailing null |
| 515 } else { | |
| 516 const char separator = *os::path_separator(); | |
| 517 size_t old_len = strlen(path); | |
| 518 size_t str_len = strlen(str); | |
| 519 size_t len = old_len + str_len + 2; | |
| 520 | |
| 521 if (prepend) { | |
| 6197 | 522 cp = NEW_C_HEAP_ARRAY(char, len, mtInternal); |
| 0 | 523 char* cp_tmp = cp; |
| 524 memcpy(cp_tmp, str, str_len); | |
| 525 cp_tmp += str_len; | |
| 526 *cp_tmp = separator; | |
| 527 memcpy(++cp_tmp, path, old_len + 1); // copy the trailing null | |
| 6197 | 528 FREE_C_HEAP_ARRAY(char, path, mtInternal); |
| 0 | 529 } else { |
| 6197 | 530 cp = REALLOC_C_HEAP_ARRAY(char, path, len, mtInternal); |
| 0 | 531 char* cp_tmp = cp + old_len; |
| 532 *cp_tmp = separator; | |
| 533 memcpy(++cp_tmp, str, str_len + 1); // copy the trailing null | |
| 534 } | |
| 535 } | |
| 536 return cp; | |
| 537 } | |
| 538 | |
| 539 // Scan the directory and append any jar or zip files found to path. | |
| 540 // Note: path must be c-heap-allocated (or NULL); it is freed if non-null. | |
| 541 char* SysClassPath::add_jars_to_path(char* path, const char* directory) { | |
| 542 DIR* dir = os::opendir(directory); | |
| 543 if (dir == NULL) return path; | |
| 544 | |
| 545 char dir_sep[2] = { '\0', '\0' }; | |
| 546 size_t directory_len = strlen(directory); | |
| 547 const char fileSep = *os::file_separator(); | |
| 548 if (directory[directory_len - 1] != fileSep) dir_sep[0] = fileSep; | |
| 549 | |
| 550 /* Scan the directory for jars/zips, appending them to path. */ | |
| 551 struct dirent *entry; | |
| 6197 | 552 char *dbuf = NEW_C_HEAP_ARRAY(char, os::readdir_buf_size(directory), mtInternal); |
| 0 | 553 while ((entry = os::readdir(dir, (dirent *) dbuf)) != NULL) { |
| 554 const char* name = entry->d_name; | |
| 555 const char* ext = name + strlen(name) - 4; | |
| 556 bool isJarOrZip = ext > name && | |
| 557 (os::file_name_strcmp(ext, ".jar") == 0 || | |
| 558 os::file_name_strcmp(ext, ".zip") == 0); | |
| 559 if (isJarOrZip) { | |
| 6197 | 560 char* jarpath = NEW_C_HEAP_ARRAY(char, directory_len + 2 + strlen(name), mtInternal); |
| 0 | 561 sprintf(jarpath, "%s%s%s", directory, dir_sep, name); |
| 562 path = add_to_path(path, jarpath, false); | |
| 6197 | 563 FREE_C_HEAP_ARRAY(char, jarpath, mtInternal); |
| 0 | 564 } |
| 565 } | |
| 6197 | 566 FREE_C_HEAP_ARRAY(char, dbuf, mtInternal); |
| 0 | 567 os::closedir(dir); |
| 568 return path; | |
| 569 } | |
| 570 | |
| 571 // Parses a memory size specification string. | |
|
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572 static bool atomull(const char *s, julong* result) { |
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573 julong n = 0; |
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574 int args_read = sscanf(s, JULONG_FORMAT, &n); |
| 0 | 575 if (args_read != 1) { |
| 576 return false; | |
| 577 } | |
| 578 while (*s != '\0' && isdigit(*s)) { | |
| 579 s++; | |
| 580 } | |
| 581 // 4705540: illegal if more characters are found after the first non-digit | |
| 582 if (strlen(s) > 1) { | |
| 583 return false; | |
| 584 } | |
| 585 switch (*s) { | |
| 586 case 'T': case 't': | |
| 587 *result = n * G * K; | |
|
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588 // Check for overflow. |
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589 if (*result/((julong)G * K) != n) return false; |
| 0 | 590 return true; |
| 591 case 'G': case 'g': | |
| 592 *result = n * G; | |
|
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593 if (*result/G != n) return false; |
| 0 | 594 return true; |
| 595 case 'M': case 'm': | |
| 596 *result = n * M; | |
|
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597 if (*result/M != n) return false; |
| 0 | 598 return true; |
| 599 case 'K': case 'k': | |
| 600 *result = n * K; | |
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601 if (*result/K != n) return false; |
| 0 | 602 return true; |
| 603 case '\0': | |
| 604 *result = n; | |
| 605 return true; | |
| 606 default: | |
| 607 return false; | |
| 608 } | |
| 609 } | |
| 610 | |
|
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611 Arguments::ArgsRange Arguments::check_memory_size(julong size, julong min_size) { |
| 0 | 612 if (size < min_size) return arg_too_small; |
| 613 // Check that size will fit in a size_t (only relevant on 32-bit) | |
|
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614 if (size > max_uintx) return arg_too_big; |
| 0 | 615 return arg_in_range; |
| 616 } | |
| 617 | |
| 618 // Describe an argument out of range error | |
| 619 void Arguments::describe_range_error(ArgsRange errcode) { | |
| 620 switch(errcode) { | |
| 621 case arg_too_big: | |
| 622 jio_fprintf(defaultStream::error_stream(), | |
| 623 "The specified size exceeds the maximum " | |
| 624 "representable size.\n"); | |
| 625 break; | |
| 626 case arg_too_small: | |
| 627 case arg_unreadable: | |
| 628 case arg_in_range: | |
| 629 // do nothing for now | |
| 630 break; | |
| 631 default: | |
| 632 ShouldNotReachHere(); | |
| 633 } | |
| 634 } | |
| 635 | |
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636 static bool set_bool_flag(char* name, bool value, Flag::Flags origin) { |
| 0 | 637 return CommandLineFlags::boolAtPut(name, &value, origin); |
| 638 } | |
| 639 | |
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640 static bool set_fp_numeric_flag(char* name, char* value, Flag::Flags origin) { |
| 0 | 641 double v; |
| 642 if (sscanf(value, "%lf", &v) != 1) { | |
| 643 return false; | |
| 644 } | |
| 645 | |
| 646 if (CommandLineFlags::doubleAtPut(name, &v, origin)) { | |
| 647 return true; | |
| 648 } | |
| 649 return false; | |
| 650 } | |
| 651 | |
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652 static bool set_numeric_flag(char* name, char* value, Flag::Flags origin) { |
|
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653 julong v; |
| 0 | 654 intx intx_v; |
| 655 bool is_neg = false; | |
|
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656 // Check the sign first since atomull() parses only unsigned values. |
| 0 | 657 if (*value == '-') { |
| 658 if (!CommandLineFlags::intxAt(name, &intx_v)) { | |
| 659 return false; | |
| 660 } | |
| 661 value++; | |
| 662 is_neg = true; | |
| 663 } | |
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664 if (!atomull(value, &v)) { |
| 0 | 665 return false; |
| 666 } | |
| 667 intx_v = (intx) v; | |
| 668 if (is_neg) { | |
| 669 intx_v = -intx_v; | |
| 670 } | |
| 671 if (CommandLineFlags::intxAtPut(name, &intx_v, origin)) { | |
| 672 return true; | |
| 673 } | |
| 674 uintx uintx_v = (uintx) v; | |
| 675 if (!is_neg && CommandLineFlags::uintxAtPut(name, &uintx_v, origin)) { | |
| 676 return true; | |
| 677 } | |
| 1064 | 678 uint64_t uint64_t_v = (uint64_t) v; |
| 679 if (!is_neg && CommandLineFlags::uint64_tAtPut(name, &uint64_t_v, origin)) { | |
| 680 return true; | |
| 681 } | |
| 0 | 682 return false; |
| 683 } | |
| 684 | |
|
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685 static bool set_string_flag(char* name, const char* value, Flag::Flags origin) { |
| 0 | 686 if (!CommandLineFlags::ccstrAtPut(name, &value, origin)) return false; |
| 687 // Contract: CommandLineFlags always returns a pointer that needs freeing. | |
| 6197 | 688 FREE_C_HEAP_ARRAY(char, value, mtInternal); |
| 0 | 689 return true; |
| 690 } | |
| 691 | |
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692 static bool append_to_string_flag(char* name, const char* new_value, Flag::Flags origin) { |
| 0 | 693 const char* old_value = ""; |
| 694 if (!CommandLineFlags::ccstrAt(name, &old_value)) return false; | |
| 695 size_t old_len = old_value != NULL ? strlen(old_value) : 0; | |
| 696 size_t new_len = strlen(new_value); | |
| 697 const char* value; | |
| 698 char* free_this_too = NULL; | |
| 699 if (old_len == 0) { | |
| 700 value = new_value; | |
| 701 } else if (new_len == 0) { | |
| 702 value = old_value; | |
| 703 } else { | |
| 6197 | 704 char* buf = NEW_C_HEAP_ARRAY(char, old_len + 1 + new_len + 1, mtInternal); |
| 0 | 705 // each new setting adds another LINE to the switch: |
| 706 sprintf(buf, "%s\n%s", old_value, new_value); | |
| 707 value = buf; | |
| 708 free_this_too = buf; | |
| 709 } | |
| 710 (void) CommandLineFlags::ccstrAtPut(name, &value, origin); | |
| 711 // CommandLineFlags always returns a pointer that needs freeing. | |
| 6197 | 712 FREE_C_HEAP_ARRAY(char, value, mtInternal); |
| 0 | 713 if (free_this_too != NULL) { |
| 714 // CommandLineFlags made its own copy, so I must delete my own temp. buffer. | |
| 6197 | 715 FREE_C_HEAP_ARRAY(char, free_this_too, mtInternal); |
| 0 | 716 } |
| 717 return true; | |
| 718 } | |
| 719 | |
|
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720 bool Arguments::parse_argument(const char* arg, Flag::Flags origin) { |
| 0 | 721 |
| 722 // range of acceptable characters spelled out for portability reasons | |
| 723 #define NAME_RANGE "[abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_]" | |
| 724 #define BUFLEN 255 | |
| 725 char name[BUFLEN+1]; | |
| 726 char dummy; | |
| 727 | |
| 728 if (sscanf(arg, "-%" XSTR(BUFLEN) NAME_RANGE "%c", name, &dummy) == 1) { | |
| 729 return set_bool_flag(name, false, origin); | |
| 730 } | |
| 731 if (sscanf(arg, "+%" XSTR(BUFLEN) NAME_RANGE "%c", name, &dummy) == 1) { | |
| 732 return set_bool_flag(name, true, origin); | |
| 733 } | |
| 734 | |
| 735 char punct; | |
| 736 if (sscanf(arg, "%" XSTR(BUFLEN) NAME_RANGE "%c", name, &punct) == 2 && punct == '=') { | |
| 737 const char* value = strchr(arg, '=') + 1; | |
| 738 Flag* flag = Flag::find_flag(name, strlen(name)); | |
| 739 if (flag != NULL && flag->is_ccstr()) { | |
| 740 if (flag->ccstr_accumulates()) { | |
| 741 return append_to_string_flag(name, value, origin); | |
| 742 } else { | |
| 743 if (value[0] == '\0') { | |
| 744 value = NULL; | |
| 745 } | |
| 746 return set_string_flag(name, value, origin); | |
| 747 } | |
| 748 } | |
| 749 } | |
| 750 | |
| 751 if (sscanf(arg, "%" XSTR(BUFLEN) NAME_RANGE ":%c", name, &punct) == 2 && punct == '=') { | |
| 752 const char* value = strchr(arg, '=') + 1; | |
| 753 // -XX:Foo:=xxx will reset the string flag to the given value. | |
| 754 if (value[0] == '\0') { | |
| 755 value = NULL; | |
| 756 } | |
| 757 return set_string_flag(name, value, origin); | |
| 758 } | |
| 759 | |
| 760 #define SIGNED_FP_NUMBER_RANGE "[-0123456789.]" | |
| 761 #define SIGNED_NUMBER_RANGE "[-0123456789]" | |
| 762 #define NUMBER_RANGE "[0123456789]" | |
| 763 char value[BUFLEN + 1]; | |
| 764 char value2[BUFLEN + 1]; | |
| 765 if (sscanf(arg, "%" XSTR(BUFLEN) NAME_RANGE "=" "%" XSTR(BUFLEN) SIGNED_NUMBER_RANGE "." "%" XSTR(BUFLEN) NUMBER_RANGE "%c", name, value, value2, &dummy) == 3) { | |
| 766 // Looks like a floating-point number -- try again with more lenient format string | |
| 767 if (sscanf(arg, "%" XSTR(BUFLEN) NAME_RANGE "=" "%" XSTR(BUFLEN) SIGNED_FP_NUMBER_RANGE "%c", name, value, &dummy) == 2) { | |
| 768 return set_fp_numeric_flag(name, value, origin); | |
| 769 } | |
| 770 } | |
| 771 | |
| 772 #define VALUE_RANGE "[-kmgtKMGT0123456789]" | |
| 773 if (sscanf(arg, "%" XSTR(BUFLEN) NAME_RANGE "=" "%" XSTR(BUFLEN) VALUE_RANGE "%c", name, value, &dummy) == 2) { | |
| 774 return set_numeric_flag(name, value, origin); | |
| 775 } | |
| 776 | |
| 777 return false; | |
| 778 } | |
| 779 | |
| 780 void Arguments::add_string(char*** bldarray, int* count, const char* arg) { | |
| 781 assert(bldarray != NULL, "illegal argument"); | |
| 782 | |
| 783 if (arg == NULL) { | |
| 784 return; | |
| 785 } | |
| 786 | |
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787 int new_count = *count + 1; |
| 0 | 788 |
| 789 // expand the array and add arg to the last element | |
| 790 if (*bldarray == NULL) { | |
|
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791 *bldarray = NEW_C_HEAP_ARRAY(char*, new_count, mtInternal); |
| 0 | 792 } else { |
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793 *bldarray = REALLOC_C_HEAP_ARRAY(char*, *bldarray, new_count, mtInternal); |
| 0 | 794 } |
|
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795 (*bldarray)[*count] = strdup(arg); |
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796 *count = new_count; |
| 0 | 797 } |
| 798 | |
| 799 void Arguments::build_jvm_args(const char* arg) { | |
| 800 add_string(&_jvm_args_array, &_num_jvm_args, arg); | |
| 801 } | |
| 802 | |
| 803 void Arguments::build_jvm_flags(const char* arg) { | |
| 804 add_string(&_jvm_flags_array, &_num_jvm_flags, arg); | |
| 805 } | |
|
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806 #ifdef GRAAL |
|
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807 void Arguments::add_graal_arg(const char* arg) { |
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808 add_string(&_graal_args_array, &_num_graal_args, arg); |
|
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809 } |
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810 #endif |
| 0 | 811 |
| 812 // utility function to return a string that concatenates all | |
| 813 // strings in a given char** array | |
| 814 const char* Arguments::build_resource_string(char** args, int count) { | |
| 815 if (args == NULL || count == 0) { | |
| 816 return NULL; | |
| 817 } | |
| 818 size_t length = strlen(args[0]) + 1; // add 1 for the null terminator | |
| 819 for (int i = 1; i < count; i++) { | |
| 820 length += strlen(args[i]) + 1; // add 1 for a space | |
| 821 } | |
| 822 char* s = NEW_RESOURCE_ARRAY(char, length); | |
| 823 strcpy(s, args[0]); | |
| 824 for (int j = 1; j < count; j++) { | |
| 825 strcat(s, " "); | |
| 826 strcat(s, args[j]); | |
| 827 } | |
| 828 return (const char*) s; | |
| 829 } | |
| 830 | |
| 831 void Arguments::print_on(outputStream* st) { | |
| 832 st->print_cr("VM Arguments:"); | |
| 833 if (num_jvm_flags() > 0) { | |
| 834 st->print("jvm_flags: "); print_jvm_flags_on(st); | |
| 835 } | |
| 836 if (num_jvm_args() > 0) { | |
| 837 st->print("jvm_args: "); print_jvm_args_on(st); | |
| 838 } | |
| 839 st->print_cr("java_command: %s", java_command() ? java_command() : "<unknown>"); | |
|
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840 if (_java_class_path != NULL) { |
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841 char* path = _java_class_path->value(); |
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842 st->print_cr("java_class_path (initial): %s", strlen(path) == 0 ? "<not set>" : path ); |
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843 } |
| 0 | 844 st->print_cr("Launcher Type: %s", _sun_java_launcher); |
| 845 } | |
| 846 | |
| 847 void Arguments::print_jvm_flags_on(outputStream* st) { | |
| 848 if (_num_jvm_flags > 0) { | |
| 849 for (int i=0; i < _num_jvm_flags; i++) { | |
| 850 st->print("%s ", _jvm_flags_array[i]); | |
| 851 } | |
| 852 st->print_cr(""); | |
| 853 } | |
| 854 } | |
| 855 | |
| 856 void Arguments::print_jvm_args_on(outputStream* st) { | |
| 857 if (_num_jvm_args > 0) { | |
| 858 for (int i=0; i < _num_jvm_args; i++) { | |
| 859 st->print("%s ", _jvm_args_array[i]); | |
| 860 } | |
| 861 st->print_cr(""); | |
| 862 } | |
| 863 } | |
| 864 | |
| 242 | 865 bool Arguments::process_argument(const char* arg, |
|
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866 jboolean ignore_unrecognized, Flag::Flags origin) { |
| 242 | 867 |
| 868 JDK_Version since = JDK_Version(); | |
| 0 | 869 |
| 3250 | 870 if (parse_argument(arg, origin) || ignore_unrecognized) { |
| 871 return true; | |
| 0 | 872 } |
| 3250 | 873 |
|
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874 bool has_plus_minus = (*arg == '+' || *arg == '-'); |
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875 const char* const argname = has_plus_minus ? arg + 1 : arg; |
| 3250 | 876 if (is_newly_obsolete(arg, &since)) { |
| 877 char version[256]; | |
| 878 since.to_string(version, sizeof(version)); | |
| 879 warning("ignoring option %s; support was removed in %s", argname, version); | |
| 880 return true; | |
| 881 } | |
| 882 | |
|
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883 // For locked flags, report a custom error message if available. |
|
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884 // Otherwise, report the standard unrecognized VM option. |
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885 |
|
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886 size_t arg_len; |
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887 const char* equal_sign = strchr(argname, '='); |
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888 if (equal_sign == NULL) { |
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889 arg_len = strlen(argname); |
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890 } else { |
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891 arg_len = equal_sign - argname; |
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892 } |
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893 |
| 14909 | 894 Flag* found_flag = Flag::find_flag((const char*)argname, arg_len, true); |
|
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895 if (found_flag != NULL) { |
|
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896 char locked_message_buf[BUFLEN]; |
|
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897 found_flag->get_locked_message(locked_message_buf, BUFLEN); |
|
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898 if (strlen(locked_message_buf) == 0) { |
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899 if (found_flag->is_bool() && !has_plus_minus) { |
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900 jio_fprintf(defaultStream::error_stream(), |
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901 "Missing +/- setting for VM option '%s'\n", argname); |
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902 } else if (!found_flag->is_bool() && has_plus_minus) { |
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903 jio_fprintf(defaultStream::error_stream(), |
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904 "Unexpected +/- setting in VM option '%s'\n", argname); |
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905 } else { |
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906 jio_fprintf(defaultStream::error_stream(), |
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907 "Improperly specified VM option '%s'\n", argname); |
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908 } |
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909 } else { |
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910 jio_fprintf(defaultStream::error_stream(), "%s", locked_message_buf); |
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911 } |
| 6017 | 912 } else { |
| 913 jio_fprintf(defaultStream::error_stream(), | |
| 914 "Unrecognized VM option '%s'\n", argname); | |
| 11070 | 915 Flag* fuzzy_matched = Flag::fuzzy_match((const char*)argname, arg_len, true); |
| 916 if (fuzzy_matched != NULL) { | |
| 917 jio_fprintf(defaultStream::error_stream(), | |
| 918 "Did you mean '%s%s%s'?\n", | |
| 919 (fuzzy_matched->is_bool()) ? "(+/-)" : "", | |
|
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920 fuzzy_matched->_name, |
| 11070 | 921 (fuzzy_matched->is_bool()) ? "" : "=<value>"); |
| 922 } | |
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923 } |
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924 |
| 3250 | 925 // allow for commandline "commenting out" options like -XX:#+Verbose |
| 926 return arg[0] == '#'; | |
| 0 | 927 } |
| 928 | |
| 929 bool Arguments::process_settings_file(const char* file_name, bool should_exist, jboolean ignore_unrecognized) { | |
| 930 FILE* stream = fopen(file_name, "rb"); | |
| 931 if (stream == NULL) { | |
| 932 if (should_exist) { | |
| 933 jio_fprintf(defaultStream::error_stream(), | |
| 934 "Could not open settings file %s\n", file_name); | |
| 935 return false; | |
| 936 } else { | |
| 937 return true; | |
| 938 } | |
| 939 } | |
| 940 | |
| 941 char token[1024]; | |
| 942 int pos = 0; | |
| 943 | |
| 944 bool in_white_space = true; | |
| 945 bool in_comment = false; | |
| 946 bool in_quote = false; | |
| 947 char quote_c = 0; | |
| 948 bool result = true; | |
| 949 | |
| 950 int c = getc(stream); | |
| 6901 | 951 while(c != EOF && pos < (int)(sizeof(token)-1)) { |
| 0 | 952 if (in_white_space) { |
| 953 if (in_comment) { | |
| 954 if (c == '\n') in_comment = false; | |
| 955 } else { | |
| 956 if (c == '#') in_comment = true; | |
| 957 else if (!isspace(c)) { | |
| 958 in_white_space = false; | |
| 959 token[pos++] = c; | |
| 960 } | |
| 961 } | |
| 962 } else { | |
| 963 if (c == '\n' || (!in_quote && isspace(c))) { | |
| 964 // token ends at newline, or at unquoted whitespace | |
| 965 // this allows a way to include spaces in string-valued options | |
| 966 token[pos] = '\0'; | |
| 967 logOption(token); | |
|
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968 result &= process_argument(token, ignore_unrecognized, Flag::CONFIG_FILE); |
| 0 | 969 build_jvm_flags(token); |
| 970 pos = 0; | |
| 971 in_white_space = true; | |
| 972 in_quote = false; | |
| 973 } else if (!in_quote && (c == '\'' || c == '"')) { | |
| 974 in_quote = true; | |
| 975 quote_c = c; | |
| 976 } else if (in_quote && (c == quote_c)) { | |
| 977 in_quote = false; | |
| 978 } else { | |
| 979 token[pos++] = c; | |
| 980 } | |
| 981 } | |
| 982 c = getc(stream); | |
| 983 } | |
| 984 if (pos > 0) { | |
| 985 token[pos] = '\0'; | |
|
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986 result &= process_argument(token, ignore_unrecognized, Flag::CONFIG_FILE); |
| 0 | 987 build_jvm_flags(token); |
| 988 } | |
| 989 fclose(stream); | |
| 990 return result; | |
| 991 } | |
| 992 | |
| 993 //============================================================================================================= | |
| 994 // Parsing of properties (-D) | |
| 995 | |
| 996 const char* Arguments::get_property(const char* key) { | |
| 997 return PropertyList_get_value(system_properties(), key); | |
| 998 } | |
| 999 | |
| 1000 bool Arguments::add_property(const char* prop) { | |
| 1001 const char* eq = strchr(prop, '='); | |
| 1002 char* key; | |
| 1003 // ns must be static--its address may be stored in a SystemProperty object. | |
| 1004 const static char ns[1] = {0}; | |
| 1005 char* value = (char *)ns; | |
| 1006 | |
| 1007 size_t key_len = (eq == NULL) ? strlen(prop) : (eq - prop); | |
| 6197 | 1008 key = AllocateHeap(key_len + 1, mtInternal); |
| 0 | 1009 strncpy(key, prop, key_len); |
| 1010 key[key_len] = '\0'; | |
| 1011 | |
| 1012 if (eq != NULL) { | |
| 1013 size_t value_len = strlen(prop) - key_len - 1; | |
| 6197 | 1014 value = AllocateHeap(value_len + 1, mtInternal); |
| 0 | 1015 strncpy(value, &prop[key_len + 1], value_len + 1); |
| 1016 } | |
| 1017 | |
| 1018 if (strcmp(key, "java.compiler") == 0) { | |
| 1019 process_java_compiler_argument(value); | |
| 1020 FreeHeap(key); | |
| 1021 if (eq != NULL) { | |
| 1022 FreeHeap(value); | |
| 1023 } | |
| 1024 return true; | |
| 691 | 1025 } else if (strcmp(key, "sun.java.command") == 0) { |
| 0 | 1026 _java_command = value; |
| 1027 | |
|
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1028 // Record value in Arguments, but let it get passed to Java. |
| 14909 | 1029 } else if (strcmp(key, "sun.java.launcher.pid") == 0) { |
| 1030 // launcher.pid property is private and is processed | |
| 1031 // in process_sun_java_launcher_properties(); | |
| 0 | 1032 // the sun.java.launcher property is passed on to the java application |
| 1033 FreeHeap(key); | |
| 1034 if (eq != NULL) { | |
| 1035 FreeHeap(value); | |
| 1036 } | |
| 1037 return true; | |
| 691 | 1038 } else if (strcmp(key, "java.vendor.url.bug") == 0) { |
| 0 | 1039 // save it in _java_vendor_url_bug, so JVM fatal error handler can access |
| 1040 // its value without going through the property list or making a Java call. | |
| 1041 _java_vendor_url_bug = value; | |
| 691 | 1042 } else if (strcmp(key, "sun.boot.library.path") == 0) { |
| 1043 PropertyList_unique_add(&_system_properties, key, value, true); | |
| 1044 return true; | |
| 0 | 1045 } |
| 1046 // Create new property and add at the end of the list | |
| 1047 PropertyList_unique_add(&_system_properties, key, value); | |
| 1048 return true; | |
| 1049 } | |
| 1050 | |
| 1051 //=========================================================================================================== | |
| 1052 // Setting int/mixed/comp mode flags | |
| 1053 | |
| 1054 void Arguments::set_mode_flags(Mode mode) { | |
| 1055 // Set up default values for all flags. | |
| 1056 // If you add a flag to any of the branches below, | |
| 1057 // add a default value for it here. | |
| 1058 set_java_compiler(false); | |
| 1059 _mode = mode; | |
| 1060 | |
| 1061 // Ensure Agent_OnLoad has the correct initial values. | |
| 1062 // This may not be the final mode; mode may change later in onload phase. | |
| 1063 PropertyList_unique_add(&_system_properties, "java.vm.info", | |
|
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1064 (char*)VM_Version::vm_info_string(), false); |
| 0 | 1065 |
| 1066 UseInterpreter = true; | |
| 1067 UseCompiler = true; | |
| 1068 UseLoopCounter = true; | |
| 1069 | |
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1070 #ifndef ZERO |
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1071 // Turn these off for mixed and comp. Leave them on for Zero. |
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1072 if (FLAG_IS_DEFAULT(UseFastAccessorMethods)) { |
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1073 UseFastAccessorMethods = (mode == _int); |
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1074 } |
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1075 if (FLAG_IS_DEFAULT(UseFastEmptyMethods)) { |
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1076 UseFastEmptyMethods = (mode == _int); |
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1077 } |
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1078 #endif |
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1079 |
| 0 | 1080 // Default values may be platform/compiler dependent - |
| 1081 // use the saved values | |
| 1082 ClipInlining = Arguments::_ClipInlining; | |
| 1083 AlwaysCompileLoopMethods = Arguments::_AlwaysCompileLoopMethods; | |
| 1084 UseOnStackReplacement = Arguments::_UseOnStackReplacement; | |
| 1085 BackgroundCompilation = Arguments::_BackgroundCompilation; | |
| 1086 | |
| 1087 // Change from defaults based on mode | |
| 1088 switch (mode) { | |
| 1089 default: | |
| 1090 ShouldNotReachHere(); | |
| 1091 break; | |
| 1092 case _int: | |
| 1093 UseCompiler = false; | |
| 1094 UseLoopCounter = false; | |
| 1095 AlwaysCompileLoopMethods = false; | |
| 1096 UseOnStackReplacement = false; | |
| 1097 break; | |
| 1098 case _mixed: | |
| 1099 // same as default | |
| 1100 break; | |
| 1101 case _comp: | |
| 1102 UseInterpreter = false; | |
| 1103 BackgroundCompilation = false; | |
| 1104 ClipInlining = false; | |
|
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1105 // Be much more aggressive in tiered mode with -Xcomp and exercise C2 more. |
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1106 // We will first compile a level 3 version (C1 with full profiling), then do one invocation of it and |
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1107 // compile a level 4 (C2) and then continue executing it. |
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1108 if (TieredCompilation) { |
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1109 Tier3InvokeNotifyFreqLog = 0; |
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1110 Tier4InvocationThreshold = 0; |
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1111 } |
| 0 | 1112 break; |
| 1113 } | |
| 1114 } | |
| 1115 | |
| 12355 | 1116 #if defined(COMPILER2) || defined(GRAAL) || defined(_LP64) || !INCLUDE_CDS |
| 0 | 1117 // Conflict: required to use shared spaces (-Xshare:on), but |
| 1118 // incompatible command line options were chosen. | |
| 1119 | |
| 1120 static void no_shared_spaces() { | |
| 1121 if (RequireSharedSpaces) { | |
| 1122 jio_fprintf(defaultStream::error_stream(), | |
| 1123 "Class data sharing is inconsistent with other specified options.\n"); | |
| 1124 vm_exit_during_initialization("Unable to use shared archive.", NULL); | |
| 1125 } else { | |
| 1126 FLAG_SET_DEFAULT(UseSharedSpaces, false); | |
| 1127 } | |
| 1128 } | |
|
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1129 #endif |
| 0 | 1130 |
| 1783 | 1131 void Arguments::set_tiered_flags() { |
|
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1132 // With tiered, set default policy to AdvancedThresholdPolicy, which is 3. |
| 1783 | 1133 if (FLAG_IS_DEFAULT(CompilationPolicyChoice)) { |
|
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1134 FLAG_SET_DEFAULT(CompilationPolicyChoice, 3); |
| 1783 | 1135 } |
| 1136 if (CompilationPolicyChoice < 2) { | |
| 1137 vm_exit_during_initialization( | |
| 1138 "Incompatible compilation policy selected", NULL); | |
| 1139 } | |
|
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1140 // Increase the code cache size - tiered compiles a lot more. |
| 1783 | 1141 if (FLAG_IS_DEFAULT(ReservedCodeCacheSize)) { |
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1142 FLAG_SET_DEFAULT(ReservedCodeCacheSize, ReservedCodeCacheSize * 5); |
| 1783 | 1143 } |
| 10278 | 1144 if (!UseInterpreter) { // -Xcomp |
| 1145 Tier3InvokeNotifyFreqLog = 0; | |
| 1146 Tier4InvocationThreshold = 0; | |
| 1147 } | |
| 1783 | 1148 } |
| 1149 | |
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1150 #if INCLUDE_ALL_GCS |
| 4838 | 1151 static void disable_adaptive_size_policy(const char* collector_name) { |
| 1152 if (UseAdaptiveSizePolicy) { | |
| 1153 if (FLAG_IS_CMDLINE(UseAdaptiveSizePolicy)) { | |
| 1154 warning("disabling UseAdaptiveSizePolicy; it is incompatible with %s.", | |
| 1155 collector_name); | |
| 1156 } | |
| 1157 FLAG_SET_DEFAULT(UseAdaptiveSizePolicy, false); | |
| 1158 } | |
| 1159 } | |
| 1160 | |
| 0 | 1161 void Arguments::set_parnew_gc_flags() { |
| 1064 | 1162 assert(!UseSerialGC && !UseParallelOldGC && !UseParallelGC && !UseG1GC, |
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1163 "control point invariant"); |
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1164 assert(UseParNewGC, "Error"); |
| 0 | 1165 |
| 4838 | 1166 // Turn off AdaptiveSizePolicy for parnew until it is complete. |
| 1167 disable_adaptive_size_policy("UseParNewGC"); | |
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1168 |
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1169 if (FLAG_IS_DEFAULT(ParallelGCThreads)) { |
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1170 FLAG_SET_DEFAULT(ParallelGCThreads, Abstract_VM_Version::parallel_worker_threads()); |
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1171 assert(ParallelGCThreads > 0, "We should always have at least one thread by default"); |
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1172 } else if (ParallelGCThreads == 0) { |
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1173 jio_fprintf(defaultStream::error_stream(), |
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1174 "The ParNew GC can not be combined with -XX:ParallelGCThreads=0\n"); |
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1175 vm_exit(1); |
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1176 } |
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1177 |
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1178 // By default YoungPLABSize and OldPLABSize are set to 4096 and 1024 respectively, |
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1179 // these settings are default for Parallel Scavenger. For ParNew+Tenured configuration |
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1180 // we set them to 1024 and 1024. |
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1181 // See CR 6362902. |
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1182 if (FLAG_IS_DEFAULT(YoungPLABSize)) { |
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1183 FLAG_SET_DEFAULT(YoungPLABSize, (intx)1024); |
| 0 | 1184 } |
|
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1185 if (FLAG_IS_DEFAULT(OldPLABSize)) { |
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1186 FLAG_SET_DEFAULT(OldPLABSize, (intx)1024); |
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1187 } |
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1188 |
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1189 // AlwaysTenure flag should make ParNew promote all at first collection. |
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1190 // See CR 6362902. |
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1191 if (AlwaysTenure) { |
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1192 FLAG_SET_CMDLINE(uintx, MaxTenuringThreshold, 0); |
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1193 } |
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1194 // When using compressed oops, we use local overflow stacks, |
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1195 // rather than using a global overflow list chained through |
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1196 // the klass word of the object's pre-image. |
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1197 if (UseCompressedOops && !ParGCUseLocalOverflow) { |
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1198 if (!FLAG_IS_DEFAULT(ParGCUseLocalOverflow)) { |
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1199 warning("Forcing +ParGCUseLocalOverflow: needed if using compressed references"); |
| 0 | 1200 } |
|
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1201 FLAG_SET_DEFAULT(ParGCUseLocalOverflow, true); |
| 0 | 1202 } |
|
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1203 assert(ParGCUseLocalOverflow || !UseCompressedOops, "Error"); |
| 0 | 1204 } |
| 1205 | |
| 1206 // Adjust some sizes to suit CMS and/or ParNew needs; these work well on | |
| 1207 // sparc/solaris for certain applications, but would gain from | |
| 1208 // further optimization and tuning efforts, and would almost | |
| 1209 // certainly gain from analysis of platform and environment. | |
| 1210 void Arguments::set_cms_and_parnew_gc_flags() { | |
| 1064 | 1211 assert(!UseSerialGC && !UseParallelOldGC && !UseParallelGC, "Error"); |
|
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1212 assert(UseConcMarkSweepGC, "CMS is expected to be on here"); |
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1213 |
| 0 | 1214 // If we are using CMS, we prefer to UseParNewGC, |
| 1215 // unless explicitly forbidden. | |
|
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1216 if (FLAG_IS_DEFAULT(UseParNewGC)) { |
|
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1217 FLAG_SET_ERGO(bool, UseParNewGC, true); |
| 0 | 1218 } |
| 1219 | |
|
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1220 // Turn off AdaptiveSizePolicy by default for cms until it is complete. |
| 4838 | 1221 disable_adaptive_size_policy("UseConcMarkSweepGC"); |
| 0 | 1222 |
| 1223 // In either case, adjust ParallelGCThreads and/or UseParNewGC | |
| 1224 // as needed. | |
|
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1225 if (UseParNewGC) { |
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1226 set_parnew_gc_flags(); |
| 0 | 1227 } |
| 1228 | |
|
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1229 size_t max_heap = align_size_down(MaxHeapSize, |
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1230 CardTableRS::ct_max_alignment_constraint()); |
|
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1231 |
| 0 | 1232 // Now make adjustments for CMS |
|
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1233 intx tenuring_default = (intx)6; |
|
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1234 size_t young_gen_per_worker = CMSYoungGenPerWorker; |
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1235 |
|
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1236 // Preferred young gen size for "short" pauses: |
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1237 // upper bound depends on # of threads and NewRatio. |
| 0 | 1238 const uintx parallel_gc_threads = |
| 1239 (ParallelGCThreads == 0 ? 1 : ParallelGCThreads); | |
| 1240 const size_t preferred_max_new_size_unaligned = | |
|
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1241 MIN2(max_heap/(NewRatio+1), ScaleForWordSize(young_gen_per_worker * parallel_gc_threads)); |
|
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1242 size_t preferred_max_new_size = |
| 0 | 1243 align_size_up(preferred_max_new_size_unaligned, os::vm_page_size()); |
| 1244 | |
| 1245 // Unless explicitly requested otherwise, size young gen | |
|
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1246 // for "short" pauses ~ CMSYoungGenPerWorker*ParallelGCThreads |
|
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1247 |
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1248 // If either MaxNewSize or NewRatio is set on the command line, |
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1249 // assume the user is trying to set the size of the young gen. |
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1250 if (FLAG_IS_DEFAULT(MaxNewSize) && FLAG_IS_DEFAULT(NewRatio)) { |
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1251 |
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1252 // Set MaxNewSize to our calculated preferred_max_new_size unless |
|
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1253 // NewSize was set on the command line and it is larger than |
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1254 // preferred_max_new_size. |
| 0 | 1255 if (!FLAG_IS_DEFAULT(NewSize)) { // NewSize explicitly set at command-line |
|
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1256 FLAG_SET_ERGO(uintx, MaxNewSize, MAX2(NewSize, preferred_max_new_size)); |
| 0 | 1257 } else { |
|
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1258 FLAG_SET_ERGO(uintx, MaxNewSize, preferred_max_new_size); |
| 0 | 1259 } |
| 1064 | 1260 if (PrintGCDetails && Verbose) { |
|
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1261 // Too early to use gclog_or_tty |
|
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1262 tty->print_cr("CMS ergo set MaxNewSize: " SIZE_FORMAT, MaxNewSize); |
|
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1263 } |
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1264 |
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1265 // Code along this path potentially sets NewSize and OldSize |
| 1064 | 1266 if (PrintGCDetails && Verbose) { |
|
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1267 // Too early to use gclog_or_tty |
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1268 tty->print_cr("CMS set min_heap_size: " SIZE_FORMAT |
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1269 " initial_heap_size: " SIZE_FORMAT |
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1270 " max_heap: " SIZE_FORMAT, |
| 1064 | 1271 min_heap_size(), InitialHeapSize, max_heap); |
|
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1272 } |
|
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1273 size_t min_new = preferred_max_new_size; |
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1274 if (FLAG_IS_CMDLINE(NewSize)) { |
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1275 min_new = NewSize; |
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|
1276 } |
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1277 if (max_heap > min_new && min_heap_size() > min_new) { |
| 0 | 1278 // Unless explicitly requested otherwise, make young gen |
| 1279 // at least min_new, and at most preferred_max_new_size. | |
| 1280 if (FLAG_IS_DEFAULT(NewSize)) { | |
|
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1281 FLAG_SET_ERGO(uintx, NewSize, MAX2(NewSize, min_new)); |
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1282 FLAG_SET_ERGO(uintx, NewSize, MIN2(preferred_max_new_size, NewSize)); |
| 1064 | 1283 if (PrintGCDetails && Verbose) { |
|
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1284 // Too early to use gclog_or_tty |
|
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1285 tty->print_cr("CMS ergo set NewSize: " SIZE_FORMAT, NewSize); |
|
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1286 } |
| 0 | 1287 } |
| 1288 // Unless explicitly requested otherwise, size old gen | |
|
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1289 // so it's NewRatio x of NewSize. |
| 0 | 1290 if (FLAG_IS_DEFAULT(OldSize)) { |
| 1291 if (max_heap > NewSize) { | |
|
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|
1292 FLAG_SET_ERGO(uintx, OldSize, MIN2(NewRatio*NewSize, max_heap - NewSize)); |
| 1064 | 1293 if (PrintGCDetails && Verbose) { |
|
13
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1294 // Too early to use gclog_or_tty |
|
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|
1295 tty->print_cr("CMS ergo set OldSize: " SIZE_FORMAT, OldSize); |
|
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1296 } |
| 0 | 1297 } |
| 1298 } | |
| 1299 } | |
| 1300 } | |
| 1301 // Unless explicitly requested otherwise, definitely | |
| 1302 // promote all objects surviving "tenuring_default" scavenges. | |
| 1303 if (FLAG_IS_DEFAULT(MaxTenuringThreshold) && | |
| 1304 FLAG_IS_DEFAULT(SurvivorRatio)) { | |
| 6818 | 1305 FLAG_SET_ERGO(uintx, MaxTenuringThreshold, tenuring_default); |
| 0 | 1306 } |
| 1307 // If we decided above (or user explicitly requested) | |
| 1308 // `promote all' (via MaxTenuringThreshold := 0), | |
| 1309 // prefer minuscule survivor spaces so as not to waste | |
| 1310 // space for (non-existent) survivors | |
| 1311 if (FLAG_IS_DEFAULT(SurvivorRatio) && MaxTenuringThreshold == 0) { | |
| 8035 | 1312 FLAG_SET_ERGO(uintx, SurvivorRatio, MAX2((uintx)1024, SurvivorRatio)); |
| 0 | 1313 } |
| 1314 // If OldPLABSize is set and CMSParPromoteBlocksToClaim is not, | |
| 1315 // set CMSParPromoteBlocksToClaim equal to OldPLABSize. | |
| 1316 // This is done in order to make ParNew+CMS configuration to work | |
| 1317 // with YoungPLABSize and OldPLABSize options. | |
| 1318 // See CR 6362902. | |
| 1319 if (!FLAG_IS_DEFAULT(OldPLABSize)) { | |
| 1320 if (FLAG_IS_DEFAULT(CMSParPromoteBlocksToClaim)) { | |
|
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1321 // OldPLABSize is not the default value but CMSParPromoteBlocksToClaim |
| 14909 | 1322 // is. In this situtation let CMSParPromoteBlocksToClaim follow |
|
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1323 // the value (either from the command line or ergonomics) of |
|
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1324 // OldPLABSize. Following OldPLABSize is an ergonomics decision. |
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1325 FLAG_SET_ERGO(uintx, CMSParPromoteBlocksToClaim, OldPLABSize); |
|
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1326 } else { |
| 0 | 1327 // OldPLABSize and CMSParPromoteBlocksToClaim are both set. |
| 1328 // CMSParPromoteBlocksToClaim is a collector-specific flag, so | |
| 1329 // we'll let it to take precedence. | |
| 1330 jio_fprintf(defaultStream::error_stream(), | |
|
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1331 "Both OldPLABSize and CMSParPromoteBlocksToClaim" |
|
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1332 " options are specified for the CMS collector." |
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1333 " CMSParPromoteBlocksToClaim will take precedence.\n"); |
| 0 | 1334 } |
| 1335 } | |
|
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1336 if (!FLAG_IS_DEFAULT(ResizeOldPLAB) && !ResizeOldPLAB) { |
|
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1337 // OldPLAB sizing manually turned off: Use a larger default setting, |
|
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1338 // unless it was manually specified. This is because a too-low value |
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1339 // will slow down scavenges. |
|
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1340 if (FLAG_IS_DEFAULT(CMSParPromoteBlocksToClaim)) { |
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1341 FLAG_SET_ERGO(uintx, CMSParPromoteBlocksToClaim, 50); // default value before 6631166 |
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1342 } |
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1343 } |
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1344 // Overwrite OldPLABSize which is the variable we will internally use everywhere. |
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1345 FLAG_SET_ERGO(uintx, OldPLABSize, CMSParPromoteBlocksToClaim); |
|
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1346 // If either of the static initialization defaults have changed, note this |
|
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1347 // modification. |
|
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1348 if (!FLAG_IS_DEFAULT(CMSParPromoteBlocksToClaim) || !FLAG_IS_DEFAULT(OldPLABWeight)) { |
|
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1349 CFLS_LAB::modify_initialization(OldPLABSize, OldPLABWeight); |
|
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|
1350 } |
| 1284 | 1351 if (PrintGCDetails && Verbose) { |
| 1352 tty->print_cr("MarkStackSize: %uk MarkStackSizeMax: %uk", | |
| 1353 MarkStackSize / K, MarkStackSizeMax / K); | |
| 1354 tty->print_cr("ConcGCThreads: %u", ConcGCThreads); | |
| 1355 } | |
| 0 | 1356 } |
|
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1357 #endif // INCLUDE_ALL_GCS |
| 0 | 1358 |
|
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1359 void set_object_alignment() { |
|
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1360 // Object alignment. |
|
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1361 assert(is_power_of_2(ObjectAlignmentInBytes), "ObjectAlignmentInBytes must be power of 2"); |
|
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1362 MinObjAlignmentInBytes = ObjectAlignmentInBytes; |
|
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1363 assert(MinObjAlignmentInBytes >= HeapWordsPerLong * HeapWordSize, "ObjectAlignmentInBytes value is too small"); |
|
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1364 MinObjAlignment = MinObjAlignmentInBytes / HeapWordSize; |
|
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1365 assert(MinObjAlignmentInBytes == MinObjAlignment * HeapWordSize, "ObjectAlignmentInBytes value is incorrect"); |
|
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1366 MinObjAlignmentInBytesMask = MinObjAlignmentInBytes - 1; |
|
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1367 |
|
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1368 LogMinObjAlignmentInBytes = exact_log2(ObjectAlignmentInBytes); |
|
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1369 LogMinObjAlignment = LogMinObjAlignmentInBytes - LogHeapWordSize; |
|
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1370 |
|
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1371 // Oop encoding heap max |
|
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1372 OopEncodingHeapMax = (uint64_t(max_juint) + 1) << LogMinObjAlignmentInBytes; |
|
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1373 |
|
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1374 #if INCLUDE_ALL_GCS |
|
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1375 // Set CMS global values |
|
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1376 CompactibleFreeListSpace::set_cms_values(); |
|
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1377 #endif // INCLUDE_ALL_GCS |
|
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1378 } |
|
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1379 |
|
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1380 bool verify_object_alignment() { |
|
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1381 // Object alignment. |
|
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1382 if (!is_power_of_2(ObjectAlignmentInBytes)) { |
|
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1383 jio_fprintf(defaultStream::error_stream(), |
|
1829
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1384 "error: ObjectAlignmentInBytes=%d must be power of 2\n", |
|
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|
1385 (int)ObjectAlignmentInBytes); |
|
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1386 return false; |
|
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1387 } |
|
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1388 if ((int)ObjectAlignmentInBytes < BytesPerLong) { |
|
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1389 jio_fprintf(defaultStream::error_stream(), |
|
1829
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1390 "error: ObjectAlignmentInBytes=%d must be greater or equal %d\n", |
|
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1391 (int)ObjectAlignmentInBytes, BytesPerLong); |
|
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1392 return false; |
|
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|
1393 } |
|
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|
1394 // It does not make sense to have big object alignment |
|
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1395 // since a space lost due to alignment will be greater |
|
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1396 // then a saved space from compressed oops. |
|
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|
1397 if ((int)ObjectAlignmentInBytes > 256) { |
|
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1398 jio_fprintf(defaultStream::error_stream(), |
|
7461
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1399 "error: ObjectAlignmentInBytes=%d must not be greater than 256\n", |
|
1829
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|
1400 (int)ObjectAlignmentInBytes); |
|
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1401 return false; |
|
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|
1402 } |
|
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|
1403 // In case page size is very small. |
|
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|
1404 if ((int)ObjectAlignmentInBytes >= os::vm_page_size()) { |
|
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|
1405 jio_fprintf(defaultStream::error_stream(), |
|
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1406 "error: ObjectAlignmentInBytes=%d must be less than page size %d\n", |
|
1829
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|
1407 (int)ObjectAlignmentInBytes, os::vm_page_size()); |
|
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1408 return false; |
|
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1409 } |
|
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1410 return true; |
|
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1411 } |
|
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1412 |
|
12233
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|
1413 uintx Arguments::max_heap_for_compressed_oops() { |
| 1963 | 1414 // Avoid sign flip. |
|
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|
1415 assert(OopEncodingHeapMax > (uint64_t)os::vm_page_size(), "Unusual page size"); |
|
12233
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1416 // We need to fit both the NULL page and the heap into the memory budget, while |
|
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|
1417 // keeping alignment constraints of the heap. To guarantee the latter, as the |
|
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|
1418 // NULL page is located before the heap, we pad the NULL page to the conservative |
|
40136aa2cdb1
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|
1419 // maximum alignment that the GC may ever impose upon the heap. |
|
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|
1420 size_t displacement_due_to_null_page = align_size_up_(os::vm_page_size(), |
|
13059
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|
1421 _conservative_max_heap_alignment); |
|
12233
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|
1422 |
|
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|
1423 LP64_ONLY(return OopEncodingHeapMax - displacement_due_to_null_page); |
| 1064 | 1424 NOT_LP64(ShouldNotReachHere(); return 0); |
|
135
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|
1425 } |
|
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|
1426 |
| 0 | 1427 bool Arguments::should_auto_select_low_pause_collector() { |
| 1428 if (UseAutoGCSelectPolicy && | |
| 1429 !FLAG_IS_DEFAULT(MaxGCPauseMillis) && | |
| 1430 (MaxGCPauseMillis <= AutoGCSelectPauseMillis)) { | |
| 1431 if (PrintGCDetails) { | |
| 1432 // Cannot use gclog_or_tty yet. | |
| 1433 tty->print_cr("Automatic selection of the low pause collector" | |
| 1434 " based on pause goal of %d (ms)", MaxGCPauseMillis); | |
| 1435 } | |
| 1436 return true; | |
| 1437 } | |
| 1438 return false; | |
| 1439 } | |
| 1440 | |
|
8741
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|
1441 void Arguments::set_use_compressed_oops() { |
|
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|
1442 #ifndef ZERO |
|
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|
1443 #ifdef _LP64 |
|
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|
1444 // MaxHeapSize is not set up properly at this point, but |
|
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|
1445 // the only value that can override MaxHeapSize if we are |
|
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|
1446 // to use UseCompressedOops is InitialHeapSize. |
|
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|
1447 size_t max_heap_size = MAX2(MaxHeapSize, InitialHeapSize); |
|
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1448 |
|
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|
1449 if (max_heap_size <= max_heap_for_compressed_oops()) { |
|
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|
1450 #if !defined(COMPILER1) || defined(TIERED) |
|
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1451 if (FLAG_IS_DEFAULT(UseCompressedOops)) { |
|
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|
1452 FLAG_SET_ERGO(bool, UseCompressedOops, true); |
|
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1453 } |
|
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|
1454 #endif |
|
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|
1455 #ifdef _WIN64 |
|
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|
1456 if (UseLargePages && UseCompressedOops) { |
|
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|
1457 // Cannot allocate guard pages for implicit checks in indexed addressing |
|
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|
1458 // mode, when large pages are specified on windows. |
|
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|
1459 // This flag could be switched ON if narrow oop base address is set to 0, |
|
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|
1460 // see code in Universe::initialize_heap(). |
|
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|
1461 Universe::set_narrow_oop_use_implicit_null_checks(false); |
|
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1462 } |
|
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|
1463 #endif // _WIN64 |
|
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1464 } else { |
|
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|
1465 if (UseCompressedOops && !FLAG_IS_DEFAULT(UseCompressedOops)) { |
|
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|
1466 warning("Max heap size too large for Compressed Oops"); |
|
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|
1467 FLAG_SET_DEFAULT(UseCompressedOops, false); |
|
12226
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1468 FLAG_SET_DEFAULT(UseCompressedClassPointers, false); |
|
8741
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1469 } |
|
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|
1470 } |
|
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|
1471 #endif // _LP64 |
|
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1472 #endif // ZERO |
|
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|
1473 } |
|
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|
1474 |
|
12056
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|
1475 |
|
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|
1476 // NOTE: set_use_compressed_klass_ptrs() must be called after calling |
|
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|
1477 // set_use_compressed_oops(). |
|
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|
1478 void Arguments::set_use_compressed_klass_ptrs() { |
|
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|
1479 #ifndef ZERO |
|
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|
1480 #ifdef _LP64 |
|
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|
1481 // UseCompressedOops must be on for UseCompressedClassPointers to be on. |
|
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|
1482 if (!UseCompressedOops) { |
|
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|
1483 if (UseCompressedClassPointers) { |
|
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|
1484 warning("UseCompressedClassPointers requires UseCompressedOops"); |
|
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|
1485 } |
|
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|
1486 FLAG_SET_DEFAULT(UseCompressedClassPointers, false); |
|
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|
1487 } else { |
|
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|
1488 // Turn on UseCompressedClassPointers too |
|
7944aba7ba41
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|
1489 if (FLAG_IS_DEFAULT(UseCompressedClassPointers)) { |
|
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|
1490 FLAG_SET_ERGO(bool, UseCompressedClassPointers, true); |
|
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|
1491 } |
|
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|
1492 // Check the CompressedClassSpaceSize to make sure we use compressed klass ptrs. |
|
7944aba7ba41
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|
1493 if (UseCompressedClassPointers) { |
|
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|
1494 if (CompressedClassSpaceSize > KlassEncodingMetaspaceMax) { |
|
7944aba7ba41
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|
1495 warning("CompressedClassSpaceSize is too large for UseCompressedClassPointers"); |
|
7944aba7ba41
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diff
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|
1496 FLAG_SET_DEFAULT(UseCompressedClassPointers, false); |
|
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|
1497 } |
|
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|
1498 } |
|
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|
1499 } |
|
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|
1500 #endif // _LP64 |
|
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|
1501 #endif // !ZERO |
|
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|
1502 } |
|
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|
1503 |
|
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|
1504 void Arguments::set_conservative_max_heap_alignment() { |
|
40136aa2cdb1
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|
1505 // The conservative maximum required alignment for the heap is the maximum of |
|
40136aa2cdb1
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|
1506 // the alignments imposed by several sources: any requirements from the heap |
|
40136aa2cdb1
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|
1507 // itself, the collector policy and the maximum page size we may run the VM |
|
40136aa2cdb1
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|
1508 // with. |
|
40136aa2cdb1
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|
1509 size_t heap_alignment = GenCollectedHeap::conservative_max_heap_alignment(); |
|
40136aa2cdb1
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|
1510 #if INCLUDE_ALL_GCS |
|
40136aa2cdb1
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|
1511 if (UseParallelGC) { |
|
40136aa2cdb1
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|
1512 heap_alignment = ParallelScavengeHeap::conservative_max_heap_alignment(); |
|
40136aa2cdb1
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|
1513 } else if (UseG1GC) { |
|
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
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diff
changeset
|
1514 heap_alignment = G1CollectedHeap::conservative_max_heap_alignment(); |
|
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
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diff
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|
1515 } |
|
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
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|
1516 #endif // INCLUDE_ALL_GCS |
|
40136aa2cdb1
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diff
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|
1517 _conservative_max_heap_alignment = MAX3(heap_alignment, os::max_page_size(), |
|
13060
8f07aa079343
8016309: assert(eden_size > 0 && survivor_size > 0) failed: just checking
jwilhelm
parents:
13059
diff
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|
1518 CollectorPolicy::compute_heap_alignment()); |
|
12233
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|
1519 } |
|
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
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diff
changeset
|
1520 |
| 0 | 1521 void Arguments::set_ergonomics_flags() { |
| 1522 | |
| 4946 | 1523 if (os::is_server_class_machine()) { |
| 0 | 1524 // If no other collector is requested explicitly, |
| 1525 // let the VM select the collector based on | |
| 1526 // machine class and automatic selection policy. | |
| 1527 if (!UseSerialGC && | |
| 1528 !UseConcMarkSweepGC && | |
|
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|
1529 !UseG1GC && |
| 0 | 1530 !UseParNewGC && |
| 1531 FLAG_IS_DEFAULT(UseParallelGC)) { | |
| 1532 if (should_auto_select_low_pause_collector()) { | |
| 1533 FLAG_SET_ERGO(bool, UseConcMarkSweepGC, true); | |
| 1534 } else { | |
| 1535 FLAG_SET_ERGO(bool, UseParallelGC, true); | |
| 1536 } | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
1537 } |
| 0 | 1538 } |
| 12355 | 1539 #if defined(COMPILER2) || defined(GRAAL) |
|
12280
9ed97b511b26
8024517: runtime/CDSCompressedKPtrs/XShareAuto.java failed with RuntimeException
hseigel
parents:
12276
diff
changeset
|
1540 // Shared spaces work fine with other GCs but causes bytecode rewriting |
|
9ed97b511b26
8024517: runtime/CDSCompressedKPtrs/XShareAuto.java failed with RuntimeException
hseigel
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12276
diff
changeset
|
1541 // to be disabled, which hurts interpreter performance and decreases |
|
9ed97b511b26
8024517: runtime/CDSCompressedKPtrs/XShareAuto.java failed with RuntimeException
hseigel
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changeset
|
1542 // server performance. When -server is specified, keep the default off |
|
9ed97b511b26
8024517: runtime/CDSCompressedKPtrs/XShareAuto.java failed with RuntimeException
hseigel
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diff
changeset
|
1543 // unless it is asked for. Future work: either add bytecode rewriting |
|
9ed97b511b26
8024517: runtime/CDSCompressedKPtrs/XShareAuto.java failed with RuntimeException
hseigel
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12276
diff
changeset
|
1544 // at link time, or rewrite bytecodes in non-shared methods. |
|
9ed97b511b26
8024517: runtime/CDSCompressedKPtrs/XShareAuto.java failed with RuntimeException
hseigel
parents:
12276
diff
changeset
|
1545 if (!DumpSharedSpaces && !RequireSharedSpaces && |
|
9ed97b511b26
8024517: runtime/CDSCompressedKPtrs/XShareAuto.java failed with RuntimeException
hseigel
parents:
12276
diff
changeset
|
1546 (FLAG_IS_DEFAULT(UseSharedSpaces) || !UseSharedSpaces)) { |
|
9ed97b511b26
8024517: runtime/CDSCompressedKPtrs/XShareAuto.java failed with RuntimeException
hseigel
parents:
12276
diff
changeset
|
1547 no_shared_spaces(); |
|
9ed97b511b26
8024517: runtime/CDSCompressedKPtrs/XShareAuto.java failed with RuntimeException
hseigel
parents:
12276
diff
changeset
|
1548 } |
|
9ed97b511b26
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changeset
|
1549 #endif |
|
113
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diff
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|
1550 |
|
12233
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|
1551 set_conservative_max_heap_alignment(); |
|
40136aa2cdb1
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diff
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|
1552 |
| 1010 | 1553 #ifndef ZERO |
|
113
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diff
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|
1554 #ifdef _LP64 |
|
8741
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
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8734
diff
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|
1555 set_use_compressed_oops(); |
|
12056
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|
1556 |
|
740e263c80c6
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changeset
|
1557 // set_use_compressed_klass_ptrs() must be called after calling |
|
740e263c80c6
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changeset
|
1558 // set_use_compressed_oops(). |
|
740e263c80c6
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changeset
|
1559 set_use_compressed_klass_ptrs(); |
|
740e263c80c6
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|
1560 |
|
113
ba764ed4b6f2
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diff
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|
1561 // Also checks that certain machines are slower with compressed oops |
|
ba764ed4b6f2
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diff
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|
1562 // in vm_version initialization code. |
|
ba764ed4b6f2
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diff
changeset
|
1563 #endif // _LP64 |
| 1010 | 1564 #endif // !ZERO |
| 0 | 1565 } |
| 1566 | |
| 1567 void Arguments::set_parallel_gc_flags() { | |
|
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changeset
|
1568 assert(UseParallelGC || UseParallelOldGC, "Error"); |
| 4879 | 1569 // Enable ParallelOld unless it was explicitly disabled (cmd line or rc file). |
| 1570 if (FLAG_IS_DEFAULT(UseParallelOldGC)) { | |
| 1571 FLAG_SET_DEFAULT(UseParallelOldGC, true); | |
| 0 | 1572 } |
| 4879 | 1573 FLAG_SET_DEFAULT(UseParallelGC, true); |
| 0 | 1574 |
| 1575 // If no heap maximum was requested explicitly, use some reasonable fraction | |
| 1576 // of the physical memory, up to a maximum of 1GB. | |
|
7471
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
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7453
diff
changeset
|
1577 FLAG_SET_DEFAULT(ParallelGCThreads, |
|
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
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7453
diff
changeset
|
1578 Abstract_VM_Version::parallel_worker_threads()); |
|
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
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diff
changeset
|
1579 if (ParallelGCThreads == 0) { |
|
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
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7453
diff
changeset
|
1580 jio_fprintf(defaultStream::error_stream(), |
|
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
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diff
changeset
|
1581 "The Parallel GC can not be combined with -XX:ParallelGCThreads=0\n"); |
|
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
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diff
changeset
|
1582 vm_exit(1); |
|
4c8bf5e55392
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diff
changeset
|
1583 } |
|
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
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diff
changeset
|
1584 |
|
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
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diff
changeset
|
1585 |
|
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1586 // If InitialSurvivorRatio or MinSurvivorRatio were not specified, but the |
|
4c8bf5e55392
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diff
changeset
|
1587 // SurvivorRatio has been set, reset their default values to SurvivorRatio + |
|
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
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7453
diff
changeset
|
1588 // 2. By doing this we make SurvivorRatio also work for Parallel Scavenger. |
|
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
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changeset
|
1589 // See CR 6362902 for details. |
|
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
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7453
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changeset
|
1590 if (!FLAG_IS_DEFAULT(SurvivorRatio)) { |
|
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
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7453
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changeset
|
1591 if (FLAG_IS_DEFAULT(InitialSurvivorRatio)) { |
|
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
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7453
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changeset
|
1592 FLAG_SET_DEFAULT(InitialSurvivorRatio, SurvivorRatio + 2); |
| 0 | 1593 } |
|
7471
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
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changeset
|
1594 if (FLAG_IS_DEFAULT(MinSurvivorRatio)) { |
|
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
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7453
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changeset
|
1595 FLAG_SET_DEFAULT(MinSurvivorRatio, SurvivorRatio + 2); |
|
4c8bf5e55392
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changeset
|
1596 } |
|
4c8bf5e55392
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|
1597 } |
|
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
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changeset
|
1598 |
|
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
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changeset
|
1599 if (UseParallelOldGC) { |
|
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
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diff
changeset
|
1600 // Par compact uses lower default values since they are treated as |
|
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
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7453
diff
changeset
|
1601 // minimums. These are different defaults because of the different |
|
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
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7453
diff
changeset
|
1602 // interpretation and are not ergonomically set. |
|
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
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diff
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|
1603 if (FLAG_IS_DEFAULT(MarkSweepDeadRatio)) { |
|
4c8bf5e55392
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7453
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|
1604 FLAG_SET_DEFAULT(MarkSweepDeadRatio, 1); |
| 0 | 1605 } |
| 1606 } | |
| 1607 } | |
| 1608 | |
|
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|
1609 void Arguments::set_g1_gc_flags() { |
|
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|
1610 assert(UseG1GC, "Error"); |
|
7125
1baf7f1e3f23
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|
1611 #if defined(COMPILER1) || defined(GRAAL) |
|
342
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|
1612 FastTLABRefill = false; |
|
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|
1613 #endif |
|
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|
1614 FLAG_SET_DEFAULT(ParallelGCThreads, |
|
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|
1615 Abstract_VM_Version::parallel_worker_threads()); |
|
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|
1616 if (ParallelGCThreads == 0) { |
|
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|
1617 FLAG_SET_DEFAULT(ParallelGCThreads, |
| 751 | 1618 Abstract_VM_Version::parallel_worker_threads()); |
|
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|
1619 } |
| 751 | 1620 |
|
7397
442f942757c0
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johnc
parents:
7177
diff
changeset
|
1621 // 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
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7177
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changeset
|
1622 // when concurrent marking is initialized. |
|
442f942757c0
8000244: G1: Ergonomically set MarkStackSize and use virtual space for global marking stack
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7177
diff
changeset
|
1623 // Its value will be based upon the number of parallel marking threads. |
|
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|
1624 // But we do set the maximum mark stack size here. |
|
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|
1625 if (FLAG_IS_DEFAULT(MarkStackSizeMax)) { |
|
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|
1626 FLAG_SET_DEFAULT(MarkStackSizeMax, 128 * TASKQUEUE_SIZE); |
| 1284 | 1627 } |
| 1356 | 1628 |
| 1629 if (FLAG_IS_DEFAULT(GCTimeRatio) || GCTimeRatio == 0) { | |
| 1630 // In G1, we want the default GC overhead goal to be higher than | |
| 1631 // say in PS. So we set it here to 10%. Otherwise the heap might | |
| 1632 // be expanded more aggressively than we would like it to. In | |
| 1633 // fact, even 10% seems to not be high enough in some cases | |
| 1634 // (especially small GC stress tests that the main thing they do | |
| 1635 // is allocation). We might consider increase it further. | |
| 1636 FLAG_SET_DEFAULT(GCTimeRatio, 9); | |
| 1637 } | |
|
7397
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|
1638 |
|
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|
1639 if (PrintGCDetails && Verbose) { |
|
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|
1640 tty->print_cr("MarkStackSize: %uk MarkStackSizeMax: %uk", |
|
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|
1641 MarkStackSize / K, MarkStackSizeMax / K); |
|
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|
1642 tty->print_cr("ConcGCThreads: %u", ConcGCThreads); |
|
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|
1643 } |
|
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|
1644 } |
|
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|
1645 |
|
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|
1646 julong Arguments::limit_by_allocatable_memory(julong limit) { |
|
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|
1647 julong max_allocatable; |
|
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|
1648 julong result = limit; |
|
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|
1649 if (os::has_allocatable_memory_limit(&max_allocatable)) { |
|
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|
1650 result = MIN2(result, max_allocatable / MaxVirtMemFraction); |
|
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|
1651 } |
|
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|
1652 return result; |
|
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|
1653 } |
|
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|
1654 |
| 1064 | 1655 void Arguments::set_heap_size() { |
| 1656 if (!FLAG_IS_DEFAULT(DefaultMaxRAMFraction)) { | |
| 1657 // Deprecated flag | |
| 1658 FLAG_SET_CMDLINE(uintx, MaxRAMFraction, DefaultMaxRAMFraction); | |
| 1659 } | |
| 1660 | |
| 1661 const julong phys_mem = | |
| 1662 FLAG_IS_DEFAULT(MaxRAM) ? MIN2(os::physical_memory(), (julong)MaxRAM) | |
| 1663 : (julong)MaxRAM; | |
| 1664 | |
| 1665 // If the maximum heap size has not been set with -Xmx, | |
| 1666 // then set it as fraction of the size of physical memory, | |
| 1667 // respecting the maximum and minimum sizes of the heap. | |
|
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|
1668 if (FLAG_IS_DEFAULT(MaxHeapSize)) { |
| 1064 | 1669 julong reasonable_max = phys_mem / MaxRAMFraction; |
| 1670 | |
| 1671 if (phys_mem <= MaxHeapSize * MinRAMFraction) { | |
| 1672 // Small physical memory, so use a minimum fraction of it for the heap | |
| 1673 reasonable_max = phys_mem / MinRAMFraction; | |
| 1674 } else { | |
| 1675 // Not-small physical memory, so require a heap at least | |
| 1676 // as large as MaxHeapSize | |
| 1677 reasonable_max = MAX2(reasonable_max, (julong)MaxHeapSize); | |
| 1678 } | |
| 1679 if (!FLAG_IS_DEFAULT(ErgoHeapSizeLimit) && ErgoHeapSizeLimit != 0) { | |
| 1680 // Limit the heap size to ErgoHeapSizeLimit | |
| 1681 reasonable_max = MIN2(reasonable_max, (julong)ErgoHeapSizeLimit); | |
|
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|
1682 } |
| 1064 | 1683 if (UseCompressedOops) { |
| 1684 // Limit the heap size to the maximum possible when using compressed oops | |
| 1963 | 1685 julong max_coop_heap = (julong)max_heap_for_compressed_oops(); |
| 1686 if (HeapBaseMinAddress + MaxHeapSize < max_coop_heap) { | |
| 1687 // Heap should be above HeapBaseMinAddress to get zero based compressed oops | |
| 1688 // but it should be not less than default MaxHeapSize. | |
| 1689 max_coop_heap -= HeapBaseMinAddress; | |
| 1690 } | |
| 1691 reasonable_max = MIN2(reasonable_max, max_coop_heap); | |
| 1064 | 1692 } |
|
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|
1693 reasonable_max = limit_by_allocatable_memory(reasonable_max); |
| 1064 | 1694 |
| 1695 if (!FLAG_IS_DEFAULT(InitialHeapSize)) { | |
| 1696 // An initial heap size was specified on the command line, | |
| 1697 // so be sure that the maximum size is consistent. Done | |
|
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|
1698 // after call to limit_by_allocatable_memory because that |
| 1064 | 1699 // method might reduce the allocation size. |
| 1700 reasonable_max = MAX2(reasonable_max, (julong)InitialHeapSize); | |
| 1701 } | |
| 1702 | |
|
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|
1703 if (PrintGCDetails && Verbose) { |
|
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|
1704 // Cannot use gclog_or_tty yet. |
| 1064 | 1705 tty->print_cr(" Maximum heap size " SIZE_FORMAT, reasonable_max); |
|
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|
1706 } |
| 1064 | 1707 FLAG_SET_ERGO(uintx, MaxHeapSize, (uintx)reasonable_max); |
| 1708 } | |
| 1709 | |
|
10241
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|
1710 // If the minimum or initial heap_size have not been set or requested to be set |
|
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|
1711 // ergonomically, set them accordingly. |
|
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|
1712 if (InitialHeapSize == 0 || min_heap_size() == 0) { |
|
1074
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6900899: vm fails to start when -Xmx value is less than OldSize + NewSize
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|
1713 julong reasonable_minimum = (julong)(OldSize + NewSize); |
|
84cb6f20afb3
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|
1714 |
|
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|
1715 reasonable_minimum = MIN2(reasonable_minimum, (julong)MaxHeapSize); |
|
84cb6f20afb3
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|
1716 |
|
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|
1717 reasonable_minimum = limit_by_allocatable_memory(reasonable_minimum); |
|
1074
84cb6f20afb3
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|
1718 |
|
10241
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|
1719 if (InitialHeapSize == 0) { |
|
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|
1720 julong reasonable_initial = phys_mem / InitialRAMFraction; |
|
d17700c82d7d
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|
1721 |
|
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|
1722 reasonable_initial = MAX3(reasonable_initial, reasonable_minimum, (julong)min_heap_size()); |
|
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|
1723 reasonable_initial = MIN2(reasonable_initial, (julong)MaxHeapSize); |
|
d17700c82d7d
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|
1724 |
|
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|
1725 reasonable_initial = limit_by_allocatable_memory(reasonable_initial); |
|
d17700c82d7d
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|
1726 |
|
d17700c82d7d
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|
1727 if (PrintGCDetails && Verbose) { |
|
d17700c82d7d
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|
1728 // Cannot use gclog_or_tty yet. |
|
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|
1729 tty->print_cr(" Initial heap size " SIZE_FORMAT, (uintx)reasonable_initial); |
|
d17700c82d7d
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tschatzl
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|
1730 } |
|
d17700c82d7d
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|
1731 FLAG_SET_ERGO(uintx, InitialHeapSize, (uintx)reasonable_initial); |
|
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|
1732 } |
|
10241
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|
1733 // If the minimum heap size has not been set (via -Xms), |
|
d17700c82d7d
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|
1734 // synchronize with InitialHeapSize to avoid errors with the default value. |
|
d17700c82d7d
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|
1735 if (min_heap_size() == 0) { |
|
d17700c82d7d
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|
1736 set_min_heap_size(MIN2((uintx)reasonable_minimum, InitialHeapSize)); |
|
d17700c82d7d
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|
1737 if (PrintGCDetails && Verbose) { |
|
d17700c82d7d
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|
1738 // Cannot use gclog_or_tty yet. |
|
d17700c82d7d
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diff
changeset
|
1739 tty->print_cr(" Minimum heap size " SIZE_FORMAT, min_heap_size()); |
|
d17700c82d7d
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|
1740 } |
|
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|
1741 } |
|
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|
1742 } |
|
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|
1743 } |
|
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|
1744 |
| 0 | 1745 // This must be called after ergonomics because we want bytecode rewriting |
| 1746 // if the server compiler is used, or if UseSharedSpaces is disabled. | |
| 1747 void Arguments::set_bytecode_flags() { | |
| 1748 // Better not attempt to store into a read-only space. | |
| 1749 if (UseSharedSpaces) { | |
| 1750 FLAG_SET_DEFAULT(RewriteBytecodes, false); | |
| 1751 FLAG_SET_DEFAULT(RewriteFrequentPairs, false); | |
| 1752 } | |
| 1753 | |
| 1754 if (!RewriteBytecodes) { | |
| 1755 FLAG_SET_DEFAULT(RewriteFrequentPairs, false); | |
| 1756 } | |
| 1757 } | |
| 1758 | |
| 1759 // Aggressive optimization flags -XX:+AggressiveOpts | |
| 1760 void Arguments::set_aggressive_opts_flags() { | |
|
17
ff5961f4c095
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
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0
diff
changeset
|
1761 #ifdef COMPILER2 |
| 10278 | 1762 if (AggressiveUnboxing) { |
| 1763 if (FLAG_IS_DEFAULT(EliminateAutoBox)) { | |
| 1764 FLAG_SET_DEFAULT(EliminateAutoBox, true); | |
| 1765 } else if (!EliminateAutoBox) { | |
| 1766 // warning("AggressiveUnboxing is disabled because EliminateAutoBox is disabled"); | |
| 1767 AggressiveUnboxing = false; | |
| 1768 } | |
| 1769 if (FLAG_IS_DEFAULT(DoEscapeAnalysis)) { | |
| 1770 FLAG_SET_DEFAULT(DoEscapeAnalysis, true); | |
| 1771 } else if (!DoEscapeAnalysis) { | |
| 1772 // warning("AggressiveUnboxing is disabled because DoEscapeAnalysis is disabled"); | |
| 1773 AggressiveUnboxing = false; | |
| 1774 } | |
| 1775 } | |
|
17
ff5961f4c095
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
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0
diff
changeset
|
1776 if (AggressiveOpts || !FLAG_IS_DEFAULT(AutoBoxCacheMax)) { |
|
ff5961f4c095
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
never
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0
diff
changeset
|
1777 if (FLAG_IS_DEFAULT(EliminateAutoBox)) { |
|
ff5961f4c095
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
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parents:
0
diff
changeset
|
1778 FLAG_SET_DEFAULT(EliminateAutoBox, true); |
|
ff5961f4c095
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
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0
diff
changeset
|
1779 } |
|
ff5961f4c095
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
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0
diff
changeset
|
1780 if (FLAG_IS_DEFAULT(AutoBoxCacheMax)) { |
|
ff5961f4c095
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
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parents:
0
diff
changeset
|
1781 FLAG_SET_DEFAULT(AutoBoxCacheMax, 20000); |
|
ff5961f4c095
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
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0
diff
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|
1782 } |
|
ff5961f4c095
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0
diff
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|
1783 |
|
ff5961f4c095
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0
diff
changeset
|
1784 // Feed the cache size setting into the JDK |
|
ff5961f4c095
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0
diff
changeset
|
1785 char buffer[1024]; |
|
513
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6781583: Hotspot build fails on linux 64 bit platform with gcc 4.3.2
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parents:
489
diff
changeset
|
1786 sprintf(buffer, "java.lang.Integer.IntegerCache.high=" INTX_FORMAT, AutoBoxCacheMax); |
|
17
ff5961f4c095
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0
diff
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|
1787 add_property(buffer); |
|
ff5961f4c095
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
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diff
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|
1788 } |
|
416
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6649622: HotSpot Biased locking needs tuning on latest CPUs
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|
1789 if (AggressiveOpts && FLAG_IS_DEFAULT(BiasedLockingStartupDelay)) { |
|
b6cfd754403d
6649622: HotSpot Biased locking needs tuning on latest CPUs
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diff
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|
1790 FLAG_SET_DEFAULT(BiasedLockingStartupDelay, 500); |
|
b6cfd754403d
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363
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|
1791 } |
|
17
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diff
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|
1792 #endif |
|
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diff
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|
1793 |
| 0 | 1794 if (AggressiveOpts) { |
| 61 | 1795 // Sample flag setting code |
| 1796 // if (FLAG_IS_DEFAULT(EliminateZeroing)) { | |
| 1797 // FLAG_SET_DEFAULT(EliminateZeroing, true); | |
| 1798 // } | |
| 0 | 1799 } |
| 1800 } | |
| 1801 | |
| 1802 //=========================================================================================================== | |
| 1803 // Parsing of java.compiler property | |
| 1804 | |
| 1805 void Arguments::process_java_compiler_argument(char* arg) { | |
| 1806 // For backwards compatibility, Djava.compiler=NONE or "" | |
| 1807 // causes us to switch to -Xint mode UNLESS -Xdebug | |
| 1808 // is also specified. | |
| 1809 if (strlen(arg) == 0 || strcasecmp(arg, "NONE") == 0) { | |
| 1810 set_java_compiler(true); // "-Djava.compiler[=...]" most recently seen. | |
| 1811 } | |
| 1812 } | |
| 1813 | |
| 1814 void Arguments::process_java_launcher_argument(const char* launcher, void* extra_info) { | |
| 1815 _sun_java_launcher = strdup(launcher); | |
| 14909 | 1816 if (strcmp("gamma", _sun_java_launcher) == 0) { |
| 1817 _created_by_gamma_launcher = true; | |
| 1818 } | |
| 0 | 1819 } |
| 1820 | |
| 1821 bool Arguments::created_by_java_launcher() { | |
| 1822 assert(_sun_java_launcher != NULL, "property must have value"); | |
| 1823 return strcmp(DEFAULT_JAVA_LAUNCHER, _sun_java_launcher) != 0; | |
| 1824 } | |
| 1825 | |
| 14909 | 1826 bool Arguments::created_by_gamma_launcher() { |
| 1827 return _created_by_gamma_launcher; | |
|
2302
da091bb67459
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2243
diff
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|
1828 } |
|
da091bb67459
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2243
diff
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|
1829 |
| 0 | 1830 //=========================================================================================================== |
| 1831 // Parsing of main arguments | |
| 1832 | |
|
1244
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6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
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1188
diff
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|
1833 bool Arguments::verify_interval(uintx val, uintx min, |
|
745c853ee57f
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diff
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|
1834 uintx max, const char* name) { |
|
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1835 // Returns true iff value is in the inclusive interval [min..max] |
|
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1836 // false, otherwise. |
|
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1837 if (val >= min && val <= max) { |
|
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1838 return true; |
|
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1839 } |
|
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1840 jio_fprintf(defaultStream::error_stream(), |
|
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1841 "%s of " UINTX_FORMAT " is invalid; must be between " UINTX_FORMAT |
|
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1842 " and " UINTX_FORMAT "\n", |
|
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1843 name, val, min, max); |
|
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1844 return false; |
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1845 } |
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1846 |
|
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1847 bool Arguments::verify_min_value(intx val, intx min, const char* name) { |
|
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1848 // Returns true if given value is at least specified min threshold |
|
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1849 // false, otherwise. |
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1850 if (val >= min ) { |
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1851 return true; |
|
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1852 } |
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1853 jio_fprintf(defaultStream::error_stream(), |
|
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1854 "%s of " INTX_FORMAT " is invalid; must be at least " INTX_FORMAT "\n", |
|
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1855 name, val, min); |
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1856 return false; |
|
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1857 } |
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1858 |
| 0 | 1859 bool Arguments::verify_percentage(uintx value, const char* name) { |
| 14909 | 1860 if (value <= 100) { |
| 0 | 1861 return true; |
| 1862 } | |
| 1863 jio_fprintf(defaultStream::error_stream(), | |
| 1864 "%s of " UINTX_FORMAT " is invalid; must be between 0 and 100\n", | |
| 1865 name, value); | |
| 1866 return false; | |
| 1867 } | |
| 1868 | |
|
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1869 #if !INCLUDE_ALL_GCS |
|
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1870 #ifdef ASSERT |
| 0 | 1871 static bool verify_serial_gc_flags() { |
| 1872 return (UseSerialGC && | |
|
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1873 !(UseParNewGC || (UseConcMarkSweepGC || CMSIncrementalMode) || UseG1GC || |
|
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1874 UseParallelGC || UseParallelOldGC)); |
| 0 | 1875 } |
|
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1876 #endif // ASSERT |
|
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1877 #endif // INCLUDE_ALL_GCS |
| 0 | 1878 |
|
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1879 // check if do gclog rotation |
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1880 // +UseGCLogFileRotation is a must, |
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1881 // no gc log rotation when log file not supplied or |
|
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1882 // NumberOfGCLogFiles is 0, or GCLogFileSize is 0 |
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1883 void check_gclog_consistency() { |
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1884 if (UseGCLogFileRotation) { |
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1885 if ((Arguments::gc_log_filename() == NULL) || |
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1886 (NumberOfGCLogFiles == 0) || |
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1887 (GCLogFileSize == 0)) { |
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1888 jio_fprintf(defaultStream::output_stream(), |
| 12215 | 1889 "To enable GC log rotation, use -Xloggc:<filename> -XX:+UseGCLogFileRotation -XX:NumberOfGCLogFiles=<num_of_files> -XX:GCLogFileSize=<num_of_size>[k|K|m|M|g|G]\n" |
|
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1890 "where num_of_file > 0 and num_of_size > 0\n" |
|
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1891 "GC log rotation is turned off\n"); |
|
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1892 UseGCLogFileRotation = false; |
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1893 } |
|
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1894 } |
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1895 |
|
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1896 if (UseGCLogFileRotation && GCLogFileSize < 8*K) { |
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1897 FLAG_SET_CMDLINE(uintx, GCLogFileSize, 8*K); |
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1898 jio_fprintf(defaultStream::output_stream(), |
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1899 "GCLogFileSize changed to minimum 8K\n"); |
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1900 } |
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1901 } |
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1902 |
| 12215 | 1903 // This function is called for -Xloggc:<filename>, it can be used |
| 1904 // to check if a given file name(or string) conforms to the following | |
| 1905 // specification: | |
| 1906 // A valid string only contains "[A-Z][a-z][0-9].-_%[p|t]" | |
| 1907 // %p and %t only allowed once. We only limit usage of filename not path | |
| 1908 bool is_filename_valid(const char *file_name) { | |
| 1909 const char* p = file_name; | |
| 1910 char file_sep = os::file_separator()[0]; | |
| 1911 const char* cp; | |
| 1912 // skip prefix path | |
| 1913 for (cp = file_name; *cp != '\0'; cp++) { | |
| 1914 if (*cp == '/' || *cp == file_sep) { | |
| 1915 p = cp + 1; | |
| 1916 } | |
| 1917 } | |
| 1918 | |
| 1919 int count_p = 0; | |
| 1920 int count_t = 0; | |
| 1921 while (*p != '\0') { | |
| 1922 if ((*p >= '0' && *p <= '9') || | |
| 1923 (*p >= 'A' && *p <= 'Z') || | |
| 1924 (*p >= 'a' && *p <= 'z') || | |
| 1925 *p == '-' || | |
| 1926 *p == '_' || | |
| 1927 *p == '.') { | |
| 1928 p++; | |
| 1929 continue; | |
| 1930 } | |
| 1931 if (*p == '%') { | |
| 1932 if(*(p + 1) == 'p') { | |
| 1933 p += 2; | |
| 1934 count_p ++; | |
| 1935 continue; | |
| 1936 } | |
| 1937 if (*(p + 1) == 't') { | |
| 1938 p += 2; | |
| 1939 count_t ++; | |
| 1940 continue; | |
| 1941 } | |
| 1942 } | |
| 1943 return false; | |
| 1944 } | |
| 1945 return count_p < 2 && count_t < 2; | |
| 1946 } | |
| 1947 | |
|
10
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1948 // Check consistency of GC selection |
|
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1949 bool Arguments::check_gc_consistency() { |
|
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1950 check_gclog_consistency(); |
|
10
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1951 bool status = true; |
|
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1952 // Ensure that the user has not selected conflicting sets |
|
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|
1953 // of collectors. [Note: this check is merely a user convenience; |
|
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1954 // collectors over-ride each other so that only a non-conflicting |
|
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1955 // set is selected; however what the user gets is not what they |
|
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1956 // may have expected from the combination they asked for. It's |
|
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1957 // better to reduce user confusion by not allowing them to |
|
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|
1958 // select conflicting combinations. |
|
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|
1959 uint i = 0; |
|
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|
1960 if (UseSerialGC) i++; |
|
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|
1961 if (UseConcMarkSweepGC || UseParNewGC) i++; |
|
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1962 if (UseParallelGC || UseParallelOldGC) i++; |
|
845
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|
1963 if (UseG1GC) i++; |
|
10
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1964 if (i > 1) { |
|
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|
1965 jio_fprintf(defaultStream::error_stream(), |
|
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1966 "Conflicting collector combinations in option list; " |
|
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|
1967 "please refer to the release notes for the combinations " |
|
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|
1968 "allowed\n"); |
|
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|
1969 status = false; |
|
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|
1970 } |
|
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|
1971 return status; |
|
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|
1972 } |
|
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|
1973 |
|
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1974 void Arguments::check_deprecated_gcs() { |
|
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1975 if (UseConcMarkSweepGC && !UseParNewGC) { |
|
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1976 warning("Using the DefNew young collector with the CMS collector is deprecated " |
|
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1977 "and will likely be removed in a future release"); |
|
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1978 } |
|
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|
1979 |
|
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1980 if (UseParNewGC && !UseConcMarkSweepGC) { |
|
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|
1981 // !UseConcMarkSweepGC means that we are using serial old gc. Unfortunately we don't |
|
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1982 // set up UseSerialGC properly, so that can't be used in the check here. |
|
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|
1983 warning("Using the ParNew young collector with the Serial old collector is deprecated " |
|
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|
1984 "and will likely be removed in a future release"); |
|
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|
1985 } |
| 7453 | 1986 |
| 1987 if (CMSIncrementalMode) { | |
| 1988 warning("Using incremental CMS is deprecated and will likely be removed in a future release"); | |
| 1989 } | |
|
7452
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|
1990 } |
|
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|
1991 |
| 8734 | 1992 void Arguments::check_deprecated_gc_flags() { |
| 1993 if (FLAG_IS_CMDLINE(MaxGCMinorPauseMillis)) { | |
| 1994 warning("Using MaxGCMinorPauseMillis as minor pause goal is deprecated" | |
| 1995 "and will likely be removed in future release"); | |
| 1996 } | |
| 11977 | 1997 if (FLAG_IS_CMDLINE(DefaultMaxRAMFraction)) { |
| 1998 warning("DefaultMaxRAMFraction is deprecated and will likely be removed in a future release. " | |
| 1999 "Use MaxRAMFraction instead."); | |
| 2000 } | |
|
13008
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|
2001 if (FLAG_IS_CMDLINE(UseCMSCompactAtFullCollection)) { |
|
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|
2002 warning("UseCMSCompactAtFullCollection is deprecated and will likely be removed in a future release."); |
|
3b3133d93fb6
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|
2003 } |
|
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2004 if (FLAG_IS_CMDLINE(CMSFullGCsBeforeCompaction)) { |
|
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|
2005 warning("CMSFullGCsBeforeCompaction is deprecated and will likely be removed in a future release."); |
|
3b3133d93fb6
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|
2006 } |
|
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|
2007 if (FLAG_IS_CMDLINE(UseCMSCollectionPassing)) { |
|
3b3133d93fb6
8027132: Print deprecation warning message for the flags controlling the CMS foreground collector
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changeset
|
2008 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
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changeset
|
2009 } |
| 8734 | 2010 } |
| 2011 | |
|
1744
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6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
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|
2012 // Check stack pages settings |
|
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
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|
2013 bool Arguments::check_stack_pages() |
|
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
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|
2014 { |
|
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
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1681
diff
changeset
|
2015 bool status = true; |
|
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
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1681
diff
changeset
|
2016 status = status && verify_min_value(StackYellowPages, 1, "StackYellowPages"); |
|
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
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1681
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changeset
|
2017 status = status && verify_min_value(StackRedPages, 1, "StackRedPages"); |
|
1867
b6aedd1acdc0
6983240: guarantee((Solaris::min_stack_allowed >= (StackYellowPages+StackRedPages...) wrong
coleenp
parents:
1864
diff
changeset
|
2018 // greater stack shadow pages can't generate instruction to bang stack |
|
b6aedd1acdc0
6983240: guarantee((Solaris::min_stack_allowed >= (StackYellowPages+StackRedPages...) wrong
coleenp
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1864
diff
changeset
|
2019 status = status && verify_interval(StackShadowPages, 1, 50, "StackShadowPages"); |
|
1744
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
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diff
changeset
|
2020 return status; |
|
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
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|
2021 } |
|
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
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diff
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|
2022 |
| 0 | 2023 // Check the consistency of vm_init_args |
| 2024 bool Arguments::check_vm_args_consistency() { | |
| 2025 // Method for adding checks for flag consistency. | |
| 2026 // The intent is to warn the user of all possible conflicts, | |
| 2027 // before returning an error. | |
| 2028 // Note: Needs platform-dependent factoring. | |
| 2029 bool status = true; | |
| 2030 | |
| 2031 // Allow both -XX:-UseStackBanging and -XX:-UseBoundThreads in non-product | |
| 2032 // builds so the cost of stack banging can be measured. | |
| 2033 #if (defined(PRODUCT) && defined(SOLARIS)) | |
| 2034 if (!UseBoundThreads && !UseStackBanging) { | |
| 2035 jio_fprintf(defaultStream::error_stream(), | |
| 2036 "-UseStackBanging conflicts with -UseBoundThreads\n"); | |
| 2037 | |
| 2038 status = false; | |
| 2039 } | |
| 2040 #endif | |
| 2041 | |
| 2042 if (TLABRefillWasteFraction == 0) { | |
| 2043 jio_fprintf(defaultStream::error_stream(), | |
| 2044 "TLABRefillWasteFraction should be a denominator, " | |
| 2045 "not " SIZE_FORMAT "\n", | |
| 2046 TLABRefillWasteFraction); | |
| 2047 status = false; | |
| 2048 } | |
| 2049 | |
|
10287
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|
2050 status = status && verify_interval(AdaptiveSizePolicyWeight, 0, 100, |
| 0 | 2051 "AdaptiveSizePolicyWeight"); |
|
10
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6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
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0
diff
changeset
|
2052 status = status && verify_percentage(ThresholdTolerance, "ThresholdTolerance"); |
| 14909 | 2053 status = status && verify_percentage(MinHeapFreeRatio, "MinHeapFreeRatio"); |
| 2054 status = status && verify_percentage(MaxHeapFreeRatio, "MaxHeapFreeRatio"); | |
| 0 | 2055 |
|
6982
e4f764ddb06a
7122219: Passed StringTableSize value not verified
hseigel
parents:
6928
diff
changeset
|
2056 // Divide by bucket size to prevent a large size from causing rollover when |
|
e4f764ddb06a
7122219: Passed StringTableSize value not verified
hseigel
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6928
diff
changeset
|
2057 // 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
|
2058 status = status && verify_interval(StringTableSize, minimumStringTableSize, |
|
6982
e4f764ddb06a
7122219: Passed StringTableSize value not verified
hseigel
parents:
6928
diff
changeset
|
2059 (max_uintx / StringTable::bucket_size()), "StringTable size"); |
|
e4f764ddb06a
7122219: Passed StringTableSize value not verified
hseigel
parents:
6928
diff
changeset
|
2060 |
|
12825
c90e76575b03
8019375: Internal symbol table size should be tunable.
kevinw
parents:
12326
diff
changeset
|
2061 status = status && verify_interval(SymbolTableSize, minimumSymbolTableSize, |
|
c90e76575b03
8019375: Internal symbol table size should be tunable.
kevinw
parents:
12326
diff
changeset
|
2062 (max_uintx / SymbolTable::bucket_size()), "SymbolTable size"); |
|
c90e76575b03
8019375: Internal symbol table size should be tunable.
kevinw
parents:
12326
diff
changeset
|
2063 |
| 14909 | 2064 if (MinHeapFreeRatio > MaxHeapFreeRatio) { |
| 2065 jio_fprintf(defaultStream::error_stream(), | |
| 2066 "MinHeapFreeRatio (" UINTX_FORMAT ") must be less than or " | |
| 2067 "equal to MaxHeapFreeRatio (" UINTX_FORMAT ")\n", | |
| 2068 MinHeapFreeRatio, MaxHeapFreeRatio); | |
| 2069 status = false; | |
| 0 | 2070 } |
| 14909 | 2071 // Keeping the heap 100% free is hard ;-) so limit it to 99%. |
| 2072 MinHeapFreeRatio = MIN2(MinHeapFreeRatio, (uintx) 99); | |
| 0 | 2073 |
|
8040
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2074 // Min/MaxMetaspaceFreeRatio |
|
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2075 status = status && verify_percentage(MinMetaspaceFreeRatio, "MinMetaspaceFreeRatio"); |
|
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2076 status = status && verify_percentage(MaxMetaspaceFreeRatio, "MaxMetaspaceFreeRatio"); |
|
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2077 |
|
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2078 if (MinMetaspaceFreeRatio > MaxMetaspaceFreeRatio) { |
|
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2079 jio_fprintf(defaultStream::error_stream(), |
|
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2080 "MinMetaspaceFreeRatio (%s" UINTX_FORMAT ") must be less than or " |
|
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2081 "equal to MaxMetaspaceFreeRatio (%s" UINTX_FORMAT ")\n", |
|
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2082 FLAG_IS_DEFAULT(MinMetaspaceFreeRatio) ? "Default: " : "", |
|
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2083 MinMetaspaceFreeRatio, |
|
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2084 FLAG_IS_DEFAULT(MaxMetaspaceFreeRatio) ? "Default: " : "", |
|
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2085 MaxMetaspaceFreeRatio); |
|
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2086 status = false; |
|
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2087 } |
|
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2088 |
|
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2089 // Trying to keep 100% free is not practical |
|
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2090 MinMetaspaceFreeRatio = MIN2(MinMetaspaceFreeRatio, (uintx) 99); |
|
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2091 |
| 0 | 2092 if (FullGCALot && FLAG_IS_DEFAULT(MarkSweepAlwaysCompactCount)) { |
| 2093 MarkSweepAlwaysCompactCount = 1; // Move objects every gc. | |
| 2094 } | |
| 2095 | |
|
483
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2096 if (UseParallelOldGC && ParallelOldGCSplitALot) { |
|
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2097 // Settings to encourage splitting. |
|
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2098 if (!FLAG_IS_CMDLINE(NewRatio)) { |
| 8035 | 2099 FLAG_SET_CMDLINE(uintx, NewRatio, 2); |
|
483
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2100 } |
|
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2101 if (!FLAG_IS_CMDLINE(ScavengeBeforeFullGC)) { |
|
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2102 FLAG_SET_CMDLINE(bool, ScavengeBeforeFullGC, false); |
|
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2103 } |
|
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2104 } |
|
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2105 |
|
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2106 status = status && verify_percentage(GCHeapFreeLimit, "GCHeapFreeLimit"); |
|
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2107 status = status && verify_percentage(GCTimeLimit, "GCTimeLimit"); |
| 0 | 2108 if (GCTimeLimit == 100) { |
| 2109 // Turn off gc-overhead-limit-exceeded checks | |
| 2110 FLAG_SET_DEFAULT(UseGCOverheadLimit, false); | |
| 2111 } | |
| 2112 | |
|
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2113 status = status && check_gc_consistency(); |
|
1744
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
2114 status = status && check_stack_pages(); |
| 0 | 2115 |
| 2116 if (CMSIncrementalMode) { | |
| 2117 if (!UseConcMarkSweepGC) { | |
| 2118 jio_fprintf(defaultStream::error_stream(), | |
| 2119 "error: invalid argument combination.\n" | |
| 2120 "The CMS collector (-XX:+UseConcMarkSweepGC) must be " | |
| 2121 "selected in order\nto use CMSIncrementalMode.\n"); | |
| 2122 status = false; | |
| 2123 } else { | |
|
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2124 status = status && verify_percentage(CMSIncrementalDutyCycle, |
| 0 | 2125 "CMSIncrementalDutyCycle"); |
|
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2126 status = status && verify_percentage(CMSIncrementalDutyCycleMin, |
| 0 | 2127 "CMSIncrementalDutyCycleMin"); |
|
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2128 status = status && verify_percentage(CMSIncrementalSafetyFactor, |
| 0 | 2129 "CMSIncrementalSafetyFactor"); |
|
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2130 status = status && verify_percentage(CMSIncrementalOffset, |
| 0 | 2131 "CMSIncrementalOffset"); |
|
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2132 status = status && verify_percentage(CMSExpAvgFactor, |
| 0 | 2133 "CMSExpAvgFactor"); |
| 2134 // If it was not set on the command line, set | |
| 2135 // CMSInitiatingOccupancyFraction to 1 so icms can initiate cycles early. | |
| 2136 if (CMSInitiatingOccupancyFraction < 0) { | |
| 2137 FLAG_SET_DEFAULT(CMSInitiatingOccupancyFraction, 1); | |
| 2138 } | |
| 2139 } | |
| 2140 } | |
| 2141 | |
| 2142 // CMS space iteration, which FLSVerifyAllHeapreferences entails, | |
| 2143 // insists that we hold the requisite locks so that the iteration is | |
| 2144 // MT-safe. For the verification at start-up and shut-down, we don't | |
| 2145 // yet have a good way of acquiring and releasing these locks, | |
| 2146 // which are not visible at the CollectedHeap level. We want to | |
| 2147 // be able to acquire these locks and then do the iteration rather | |
| 2148 // than just disable the lock verification. This will be fixed under | |
| 2149 // bug 4788986. | |
| 2150 if (UseConcMarkSweepGC && FLSVerifyAllHeapReferences) { | |
|
9071
68fe50d4f1d5
8011343: Add new flag for verifying the heap during startup
johnc
parents:
8859
diff
changeset
|
2151 if (VerifyDuringStartup) { |
| 0 | 2152 warning("Heap verification at start-up disabled " |
| 2153 "(due to current incompatibility with FLSVerifyAllHeapReferences)"); | |
|
9071
68fe50d4f1d5
8011343: Add new flag for verifying the heap during startup
johnc
parents:
8859
diff
changeset
|
2154 VerifyDuringStartup = false; // Disable verification at start-up |
| 0 | 2155 } |
|
9071
68fe50d4f1d5
8011343: Add new flag for verifying the heap during startup
johnc
parents:
8859
diff
changeset
|
2156 |
| 0 | 2157 if (VerifyBeforeExit) { |
| 2158 warning("Heap verification at shutdown disabled " | |
| 2159 "(due to current incompatibility with FLSVerifyAllHeapReferences)"); | |
| 2160 VerifyBeforeExit = false; // Disable verification at shutdown | |
| 2161 } | |
| 2162 } | |
| 2163 | |
| 2164 // Note: only executed in non-PRODUCT mode | |
| 2165 if (!UseAsyncConcMarkSweepGC && | |
| 2166 (ExplicitGCInvokesConcurrent || | |
| 2167 ExplicitGCInvokesConcurrentAndUnloadsClasses)) { | |
| 2168 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
|
2169 "error: +ExplicitGCInvokesConcurrent[AndUnloadsClasses] conflicts" |
| 0 | 2170 " with -UseAsyncConcMarkSweepGC"); |
| 2171 status = false; | |
| 2172 } | |
| 2173 | |
|
2366
1fb790245268
6820066: Check that -XX:ParGCArrayScanChunk has a value larger than zero.
jwilhelm
parents:
2362
diff
changeset
|
2174 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
|
2175 |
|
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
2176 #if INCLUDE_ALL_GCS |
|
1283
1c72304f1885
6928073: G1: use existing command line parameters for marking cycle initiation
tonyp
parents:
1257
diff
changeset
|
2177 if (UseG1GC) { |
|
13060
8f07aa079343
8016309: assert(eden_size > 0 && survivor_size > 0) failed: just checking
jwilhelm
parents:
13059
diff
changeset
|
2178 status = status && verify_percentage(G1NewSizePercent, "G1NewSizePercent"); |
|
8f07aa079343
8016309: assert(eden_size > 0 && survivor_size > 0) failed: just checking
jwilhelm
parents:
13059
diff
changeset
|
2179 status = status && verify_percentage(G1MaxNewSizePercent, "G1MaxNewSizePercent"); |
|
8f07aa079343
8016309: assert(eden_size > 0 && survivor_size > 0) failed: just checking
jwilhelm
parents:
13059
diff
changeset
|
2180 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
|
2181 |
|
1283
1c72304f1885
6928073: G1: use existing command line parameters for marking cycle initiation
tonyp
parents:
1257
diff
changeset
|
2182 status = status && verify_percentage(InitiatingHeapOccupancyPercent, |
|
1c72304f1885
6928073: G1: use existing command line parameters for marking cycle initiation
tonyp
parents:
1257
diff
changeset
|
2183 "InitiatingHeapOccupancyPercent"); |
|
2174
234761c55641
6608385: G1: need to support parallel reference processing
johnc
parents:
2129
diff
changeset
|
2184 status = status && verify_min_value(G1RefProcDrainInterval, 1, |
|
234761c55641
6608385: G1: need to support parallel reference processing
johnc
parents:
2129
diff
changeset
|
2185 "G1RefProcDrainInterval"); |
|
234761c55641
6608385: G1: need to support parallel reference processing
johnc
parents:
2129
diff
changeset
|
2186 status = status && verify_min_value((intx)G1ConcMarkStepDurationMillis, 1, |
|
234761c55641
6608385: G1: need to support parallel reference processing
johnc
parents:
2129
diff
changeset
|
2187 "G1ConcMarkStepDurationMillis"); |
|
10246
194f52aa2f23
7176479: G1: JVM crashes on T5-8 system with 1.5 TB heap
johnc
parents:
10241
diff
changeset
|
2188 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
|
2189 "G1ConcRSHotCardLimit"); |
|
194f52aa2f23
7176479: G1: JVM crashes on T5-8 system with 1.5 TB heap
johnc
parents:
10241
diff
changeset
|
2190 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
|
2191 "G1ConcRSLogCacheSize"); |
|
1283
1c72304f1885
6928073: G1: use existing command line parameters for marking cycle initiation
tonyp
parents:
1257
diff
changeset
|
2192 } |
|
10287
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2193 if (UseConcMarkSweepGC) { |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2194 status = status && verify_min_value(CMSOldPLABNumRefills, 1, "CMSOldPLABNumRefills"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2195 status = status && verify_min_value(CMSOldPLABToleranceFactor, 1, "CMSOldPLABToleranceFactor"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2196 status = status && verify_min_value(CMSOldPLABMax, 1, "CMSOldPLABMax"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
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10246
diff
changeset
|
2197 status = status && verify_interval(CMSOldPLABMin, 1, CMSOldPLABMax, "CMSOldPLABMin"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
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diff
changeset
|
2198 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2199 status = status && verify_min_value(CMSYoungGenPerWorker, 1, "CMSYoungGenPerWorker"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2200 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2201 status = status && verify_min_value(CMSSamplingGrain, 1, "CMSSamplingGrain"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2202 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
|
2203 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
|
2204 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2205 status = status && verify_interval(FLSCoalescePolicy, 0, 4, "FLSCoalescePolicy"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2206 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2207 status = status && verify_min_value(CMSRescanMultiple, 1, "CMSRescanMultiple"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2208 status = status && verify_min_value(CMSConcMarkMultiple, 1, "CMSConcMarkMultiple"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2209 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2210 status = status && verify_interval(CMSPrecleanIter, 0, 9, "CMSPrecleanIter"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2211 status = status && verify_min_value(CMSPrecleanDenominator, 1, "CMSPrecleanDenominator"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2212 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
|
2213 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2214 status = status && verify_percentage(CMSBootstrapOccupancy, "CMSBootstrapOccupancy"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2215 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2216 status = status && verify_min_value(CMSPrecleanThreshold, 100, "CMSPrecleanThreshold"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2217 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2218 status = status && verify_percentage(CMSScheduleRemarkEdenPenetration, "CMSScheduleRemarkEdenPenetration"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2219 status = status && verify_min_value(CMSScheduleRemarkSamplingRatio, 1, "CMSScheduleRemarkSamplingRatio"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2220 status = status && verify_min_value(CMSBitMapYieldQuantum, 1, "CMSBitMapYieldQuantum"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2221 status = status && verify_percentage(CMSTriggerRatio, "CMSTriggerRatio"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2222 status = status && verify_percentage(CMSIsTooFullPercentage, "CMSIsTooFullPercentage"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2223 } |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2224 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2225 if (UseParallelGC || UseParallelOldGC) { |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2226 status = status && verify_interval(ParallelOldDeadWoodLimiterMean, 0, 100, "ParallelOldDeadWoodLimiterMean"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2227 status = status && verify_interval(ParallelOldDeadWoodLimiterStdDev, 0, 100, "ParallelOldDeadWoodLimiterStdDev"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2228 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2229 status = status && verify_percentage(YoungGenerationSizeIncrement, "YoungGenerationSizeIncrement"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2230 status = status && verify_percentage(TenuredGenerationSizeIncrement, "TenuredGenerationSizeIncrement"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2231 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2232 status = status && verify_min_value(YoungGenerationSizeSupplementDecay, 1, "YoungGenerationSizeSupplementDecay"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2233 status = status && verify_min_value(TenuredGenerationSizeSupplementDecay, 1, "TenuredGenerationSizeSupplementDecay"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2234 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2235 status = status && verify_min_value(ParGCCardsPerStrideChunk, 1, "ParGCCardsPerStrideChunk"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2236 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2237 status = status && verify_min_value(ParallelOldGCSplitInterval, 0, "ParallelOldGCSplitInterval"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2238 } |
|
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
2239 #endif // INCLUDE_ALL_GCS |
|
1283
1c72304f1885
6928073: G1: use existing command line parameters for marking cycle initiation
tonyp
parents:
1257
diff
changeset
|
2240 |
|
1244
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2241 status = status && verify_interval(RefDiscoveryPolicy, |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2242 ReferenceProcessor::DiscoveryPolicyMin, |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2243 ReferenceProcessor::DiscoveryPolicyMax, |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2244 "RefDiscoveryPolicy"); |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2245 |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2246 // 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
|
2247 // expression. |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2248 status = status && verify_interval(TLABWasteTargetPercent, |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2249 1, 100, "TLABWasteTargetPercent"); |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2250 |
|
1571
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
2251 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
|
2252 |
|
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
2253 status = status && verify_interval(CompressedClassSpaceSize, 1*M, 3*G, |
|
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
2254 "CompressedClassSpaceSize"); |
|
6736
11fb740ce98f
7196103: NPG: Unable to allocate bit map for parallel garbage collection for the requested heap size
coleenp
parents:
6725
diff
changeset
|
2255 |
|
7397
442f942757c0
8000244: G1: Ergonomically set MarkStackSize and use virtual space for global marking stack
johnc
parents:
7177
diff
changeset
|
2256 status = status && verify_interval(MarkStackSizeMax, |
|
442f942757c0
8000244: G1: Ergonomically set MarkStackSize and use virtual space for global marking stack
johnc
parents:
7177
diff
changeset
|
2257 1, (max_jint - 1), "MarkStackSizeMax"); |
|
10287
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2258 status = status && verify_interval(NUMAChunkResizeWeight, 0, 100, "NUMAChunkResizeWeight"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2259 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2260 status = status && verify_min_value(LogEventsBufferEntries, 1, "LogEventsBufferEntries"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2261 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2262 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
|
2263 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2264 status = status && verify_min_value(GCTaskTimeStampEntries, 1, "GCTaskTimeStampEntries"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2265 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2266 status = status && verify_percentage(ParallelGCBufferWastePct, "ParallelGCBufferWastePct"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2267 status = status && verify_interval(TargetPLABWastePct, 1, 100, "TargetPLABWastePct"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2268 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2269 status = status && verify_min_value(ParGCStridesPerThread, 1, "ParGCStridesPerThread"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2270 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2271 status = status && verify_min_value(MinRAMFraction, 1, "MinRAMFraction"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2272 status = status && verify_min_value(InitialRAMFraction, 1, "InitialRAMFraction"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2273 status = status && verify_min_value(MaxRAMFraction, 1, "MaxRAMFraction"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2274 status = status && verify_min_value(DefaultMaxRAMFraction, 1, "DefaultMaxRAMFraction"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2275 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2276 status = status && verify_interval(AdaptiveTimeWeight, 0, 100, "AdaptiveTimeWeight"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2277 status = status && verify_min_value(AdaptiveSizeDecrementScaleFactor, 1, "AdaptiveSizeDecrementScaleFactor"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2278 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2279 status = status && verify_interval(TLABAllocationWeight, 0, 100, "TLABAllocationWeight"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2280 status = status && verify_min_value(MinTLABSize, 1, "MinTLABSize"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2281 status = status && verify_min_value(TLABRefillWasteFraction, 1, "TLABRefillWasteFraction"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2282 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2283 status = status && verify_percentage(YoungGenerationSizeSupplement, "YoungGenerationSizeSupplement"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2284 status = status && verify_percentage(TenuredGenerationSizeSupplement, "TenuredGenerationSizeSupplement"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2285 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2286 // 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
|
2287 // just for that, so hardcode here. |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2288 status = status && verify_interval(MaxTenuringThreshold, 0, 15, "MaxTenuringThreshold"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2289 status = status && verify_interval(InitialTenuringThreshold, 0, MaxTenuringThreshold, "MaxTenuringThreshold"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2290 status = status && verify_percentage(TargetSurvivorRatio, "TargetSurvivorRatio"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2291 status = status && verify_percentage(MarkSweepDeadRatio, "MarkSweepDeadRatio"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2292 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2293 status = status && verify_min_value(MarkSweepAlwaysCompactCount, 1, "MarkSweepAlwaysCompactCount"); |
|
6755
bc675e55b48c
7193946: Move warnings associated with UseMemSetInBOT flag
johnc
parents:
6736
diff
changeset
|
2294 |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2295 if (PrintNMTStatistics) { |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2296 #if INCLUDE_NMT |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2297 if (MemTracker::tracking_level() == MemTracker::NMT_off) { |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2298 #endif // INCLUDE_NMT |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2299 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
|
2300 PrintNMTStatistics = false; |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2301 #if INCLUDE_NMT |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2302 } |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2303 #endif |
|
6770
9a86ddfc6c8f
7188594: Print statistic collected by NMT with VM flag
zgu
parents:
6736
diff
changeset
|
2304 } |
|
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
|
2305 #ifdef GRAAL |
| 10409 | 2306 if (UseG1GC) { |
| 2307 if (IgnoreUnrecognizedVMOptions) { | |
| 2308 FLAG_SET_CMDLINE(bool, UseG1GC, true); | |
| 2309 } else { | |
| 2310 status = true; | |
| 2311 } | |
|
10864
6457dc4227e3
Add compressed klass pointers in gate
Christos Kotselidis <christos.kotselidis@oracle.com>
parents:
10739
diff
changeset
|
2312 } else { |
| 10409 | 2313 // This prevents the flag being set to true by set_ergonomics_flags() |
| 2314 FLAG_SET_CMDLINE(bool, UseG1GC, false); | |
|
10864
6457dc4227e3
Add compressed klass pointers in gate
Christos Kotselidis <christos.kotselidis@oracle.com>
parents:
10739
diff
changeset
|
2315 } |
| 10409 | 2316 |
| 2317 if (!ScavengeRootsInCode) { | |
| 2318 warning("forcing ScavengeRootsInCode non-zero because Graal is enabled"); | |
| 2319 ScavengeRootsInCode = 1; | |
| 2320 } | |
|
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
|
2321 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
|
2322 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
|
2323 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
|
2324 } |
| 10409 | 2325 #endif |
|
6770
9a86ddfc6c8f
7188594: Print statistic collected by NMT with VM flag
zgu
parents:
6736
diff
changeset
|
2326 |
|
10260
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2327 // Need to limit the extent of the padding to reasonable size. |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2328 // 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
|
2329 // aggressive prefetching, while still leaving the room for segregating |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2330 // among the distinct pages. |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2331 if (ContendedPaddingWidth < 0 || ContendedPaddingWidth > 8192) { |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2332 jio_fprintf(defaultStream::error_stream(), |
| 12129 | 2333 "ContendedPaddingWidth=" INTX_FORMAT " must be in between %d and %d\n", |
|
10260
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2334 ContendedPaddingWidth, 0, 8192); |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2335 status = false; |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2336 } |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2337 |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2338 // Need to enforce the padding not to break the existing field alignments. |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2339 // It is sufficient to check against the largest type size. |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2340 if ((ContendedPaddingWidth % BytesPerLong) != 0) { |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2341 jio_fprintf(defaultStream::error_stream(), |
| 12129 | 2342 "ContendedPaddingWidth=" INTX_FORMAT " must be a multiple of %d\n", |
|
10260
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2343 ContendedPaddingWidth, BytesPerLong); |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2344 status = false; |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2345 } |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2346 |
|
11079
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2347 // 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
|
2348 // 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
|
2349 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
|
2350 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
|
2351 jio_fprintf(defaultStream::error_stream(), |
|
11079
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2352 "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
|
2353 os::vm_page_size()/K); |
|
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2354 status = false; |
|
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2355 } else if (ReservedCodeCacheSize < InitialCodeCacheSize) { |
|
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2356 jio_fprintf(defaultStream::error_stream(), |
|
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2357 "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
|
2358 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
|
2359 status = false; |
|
11079
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2360 } 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
|
2361 jio_fprintf(defaultStream::error_stream(), |
|
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2362 "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
|
2363 min_code_cache_size/K); |
|
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2364 status = false; |
|
11109
7ac80525ece9
8015635: Crash when specifying very large code cache size
anoll
parents:
11083
diff
changeset
|
2365 } else if (ReservedCodeCacheSize > 2*G) { |
|
7ac80525ece9
8015635: Crash when specifying very large code cache size
anoll
parents:
11083
diff
changeset
|
2366 // Code cache size larger than MAXINT is not supported. |
|
7ac80525ece9
8015635: Crash when specifying very large code cache size
anoll
parents:
11083
diff
changeset
|
2367 jio_fprintf(defaultStream::error_stream(), |
|
7ac80525ece9
8015635: Crash when specifying very large code cache size
anoll
parents:
11083
diff
changeset
|
2368 "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
|
2369 (2*G)/M); |
|
7ac80525ece9
8015635: Crash when specifying very large code cache size
anoll
parents:
11083
diff
changeset
|
2370 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
|
2371 } |
|
12324
510fbd28919c
8020151: PSR:PERF Large performance regressions when code cache is filled
anoll
parents:
12322
diff
changeset
|
2372 |
|
510fbd28919c
8020151: PSR:PERF Large performance regressions when code cache is filled
anoll
parents:
12322
diff
changeset
|
2373 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
|
2374 status &= verify_interval(NmethodSweepActivity, 0, 2000, "NmethodSweepActivity"); |
|
510fbd28919c
8020151: PSR:PERF Large performance regressions when code cache is filled
anoll
parents:
12322
diff
changeset
|
2375 |
| 0 | 2376 return status; |
| 2377 } | |
| 2378 | |
| 2379 bool Arguments::is_bad_option(const JavaVMOption* option, jboolean ignore, | |
| 2380 const char* option_type) { | |
| 2381 if (ignore) return false; | |
| 2382 | |
| 2383 const char* spacer = " "; | |
| 2384 if (option_type == NULL) { | |
| 2385 option_type = ++spacer; // Set both to the empty string. | |
| 2386 } | |
| 2387 | |
| 2388 if (os::obsolete_option(option)) { | |
| 2389 jio_fprintf(defaultStream::error_stream(), | |
| 2390 "Obsolete %s%soption: %s\n", option_type, spacer, | |
| 2391 option->optionString); | |
| 2392 return false; | |
| 2393 } else { | |
| 2394 jio_fprintf(defaultStream::error_stream(), | |
| 2395 "Unrecognized %s%soption: %s\n", option_type, spacer, | |
| 2396 option->optionString); | |
| 2397 return true; | |
| 2398 } | |
| 2399 } | |
| 2400 | |
| 2401 static const char* user_assertion_options[] = { | |
| 2402 "-da", "-ea", "-disableassertions", "-enableassertions", 0 | |
| 2403 }; | |
| 2404 | |
| 2405 static const char* system_assertion_options[] = { | |
| 2406 "-dsa", "-esa", "-disablesystemassertions", "-enablesystemassertions", 0 | |
| 2407 }; | |
| 2408 | |
| 2409 // Return true if any of the strings in null-terminated array 'names' matches. | |
| 2410 // If tail_allowed is true, then the tail must begin with a colon; otherwise, | |
| 2411 // the option must match exactly. | |
| 2412 static bool match_option(const JavaVMOption* option, const char** names, const char** tail, | |
| 2413 bool tail_allowed) { | |
| 2414 for (/* empty */; *names != NULL; ++names) { | |
| 2415 if (match_option(option, *names, tail)) { | |
| 2416 if (**tail == '\0' || tail_allowed && **tail == ':') { | |
| 2417 return true; | |
| 2418 } | |
| 2419 } | |
| 2420 } | |
| 2421 return false; | |
| 2422 } | |
| 2423 | |
| 1284 | 2424 bool Arguments::parse_uintx(const char* value, |
| 2425 uintx* uintx_arg, | |
| 2426 uintx min_size) { | |
| 2427 | |
| 2428 // Check the sign first since atomull() parses only unsigned values. | |
| 2429 bool value_is_positive = !(*value == '-'); | |
| 2430 | |
| 2431 if (value_is_positive) { | |
| 2432 julong n; | |
| 2433 bool good_return = atomull(value, &n); | |
| 2434 if (good_return) { | |
| 2435 bool above_minimum = n >= min_size; | |
| 2436 bool value_is_too_large = n > max_uintx; | |
| 2437 | |
| 2438 if (above_minimum && !value_is_too_large) { | |
| 2439 *uintx_arg = n; | |
| 2440 return true; | |
| 2441 } | |
| 2442 } | |
| 2443 } | |
| 2444 return false; | |
| 2445 } | |
| 2446 | |
| 0 | 2447 Arguments::ArgsRange Arguments::parse_memory_size(const char* s, |
|
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
2448 julong* long_arg, |
|
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
2449 julong min_size) { |
|
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
2450 if (!atomull(s, long_arg)) return arg_unreadable; |
| 0 | 2451 return check_memory_size(*long_arg, min_size); |
| 2452 } | |
| 2453 | |
| 2454 // Parse JavaVMInitArgs structure | |
| 2455 | |
| 2456 jint Arguments::parse_vm_init_args(const JavaVMInitArgs* args) { | |
| 2457 // For components of the system classpath. | |
| 2458 SysClassPath scp(Arguments::get_sysclasspath()); | |
| 2459 bool scp_assembly_required = false; | |
| 2460 | |
| 2461 // Save default settings for some mode flags | |
| 2462 Arguments::_AlwaysCompileLoopMethods = AlwaysCompileLoopMethods; | |
| 2463 Arguments::_UseOnStackReplacement = UseOnStackReplacement; | |
| 2464 Arguments::_ClipInlining = ClipInlining; | |
| 2465 Arguments::_BackgroundCompilation = BackgroundCompilation; | |
| 2466 | |
|
3341
e9b8ef09622a
7041582: set_mode_flags isn't called without -Xmixed specified
never
parents:
3261
diff
changeset
|
2467 // Setup flags for mixed which is the default |
|
e9b8ef09622a
7041582: set_mode_flags isn't called without -Xmixed specified
never
parents:
3261
diff
changeset
|
2468 set_mode_flags(_mixed); |
|
e9b8ef09622a
7041582: set_mode_flags isn't called without -Xmixed specified
never
parents:
3261
diff
changeset
|
2469 |
| 0 | 2470 // Parse JAVA_TOOL_OPTIONS environment variable (if present) |
| 2471 jint result = parse_java_tool_options_environment_variable(&scp, &scp_assembly_required); | |
| 2472 if (result != JNI_OK) { | |
| 2473 return result; | |
| 2474 } | |
| 2475 | |
| 2476 // Parse JavaVMInitArgs structure passed in | |
|
12322
72b7e96c1922
8024545: make develop and notproduct flag values available in product builds
twisti
parents:
12269
diff
changeset
|
2477 result = parse_each_vm_init_arg(args, &scp, &scp_assembly_required, Flag::COMMAND_LINE); |
| 0 | 2478 if (result != JNI_OK) { |
| 2479 return result; | |
| 2480 } | |
| 2481 | |
| 2482 // Parse _JAVA_OPTIONS environment variable (if present) (mimics classic VM) | |
| 2483 result = parse_java_options_environment_variable(&scp, &scp_assembly_required); | |
| 2484 if (result != JNI_OK) { | |
| 2485 return result; | |
| 2486 } | |
| 2487 | |
| 2488 // Do final processing now that all arguments have been parsed | |
| 2489 result = finalize_vm_init_args(&scp, scp_assembly_required); | |
| 2490 if (result != JNI_OK) { | |
| 2491 return result; | |
| 2492 } | |
| 2493 | |
| 2494 return JNI_OK; | |
| 2495 } | |
| 2496 | |
|
10170
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2497 // 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
|
2498 // 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
parents:
9077
diff
changeset
|
2499 // 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
parents:
9077
diff
changeset
|
2500 // -agentlib |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2501 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
parents:
9077
diff
changeset
|
2502 char *_name; |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2503 const char *_hprof = "hprof", *_jdwp = "jdwp"; |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2504 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
|
2505 |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2506 if (is_path) { |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2507 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
|
2508 return false; |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2509 } |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2510 |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2511 _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
|
2512 _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
|
2513 |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2514 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
|
2515 return false; |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2516 } |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2517 |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2518 _name += _len_prefix; |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2519 _len_hprof = strlen(_hprof); |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2520 _len_jdwp = strlen(_jdwp); |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
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diff
changeset
|
2521 |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
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9077
diff
changeset
|
2522 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
|
2523 _name += _len_hprof; |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
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parents:
9077
diff
changeset
|
2524 } |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
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parents:
9077
diff
changeset
|
2525 else if (strncmp(_name, _jdwp, _len_jdwp) == 0) { |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
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parents:
9077
diff
changeset
|
2526 _name += _len_jdwp; |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
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parents:
9077
diff
changeset
|
2527 } |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2528 else { |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2529 return false; |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2530 } |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
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parents:
9077
diff
changeset
|
2531 |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
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parents:
9077
diff
changeset
|
2532 if (strcmp(_name, JNI_LIB_SUFFIX) != 0) { |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
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parents:
9077
diff
changeset
|
2533 return false; |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2534 } |
|
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8010428: Special -agentpath checks needed with minimal VM to produce proper error message
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parents:
9077
diff
changeset
|
2535 |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
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parents:
9077
diff
changeset
|
2536 return true; |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2537 } |
|
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8010428: Special -agentpath checks needed with minimal VM to produce proper error message
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parents:
9077
diff
changeset
|
2538 |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
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parents:
9077
diff
changeset
|
2539 if (strcmp(name, _hprof) == 0 || strcmp(name, _jdwp) == 0) { |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2540 return true; |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2541 } |
|
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8010428: Special -agentpath checks needed with minimal VM to produce proper error message
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parents:
9077
diff
changeset
|
2542 |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2543 return false; |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2544 } |
|
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8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2545 |
| 0 | 2546 jint Arguments::parse_each_vm_init_arg(const JavaVMInitArgs* args, |
| 2547 SysClassPath* scp_p, | |
| 2548 bool* scp_assembly_required_p, | |
|
12322
72b7e96c1922
8024545: make develop and notproduct flag values available in product builds
twisti
parents:
12269
diff
changeset
|
2549 Flag::Flags origin) { |
| 0 | 2550 // Remaining part of option string |
| 2551 const char* tail; | |
| 2552 | |
| 2553 // iterate over arguments | |
| 2554 for (int index = 0; index < args->nOptions; index++) { | |
| 2555 bool is_absolute_path = false; // for -agentpath vs -agentlib | |
| 2556 | |
| 2557 const JavaVMOption* option = args->options + index; | |
| 2558 | |
| 2559 if (!match_option(option, "-Djava.class.path", &tail) && | |
| 2560 !match_option(option, "-Dsun.java.command", &tail) && | |
| 2561 !match_option(option, "-Dsun.java.launcher", &tail)) { | |
| 2562 | |
| 2563 // add all jvm options to the jvm_args string. This string | |
| 2564 // is used later to set the java.vm.args PerfData string constant. | |
| 2565 // the -Djava.class.path and the -Dsun.java.command options are | |
| 2566 // omitted from jvm_args string as each have their own PerfData | |
| 2567 // string constant object. | |
| 2568 build_jvm_args(option->optionString); | |
| 2569 } | |
| 2570 | |
| 2571 // -verbose:[class/gc/jni] | |
| 2572 if (match_option(option, "-verbose", &tail)) { | |
| 2573 if (!strcmp(tail, ":class") || !strcmp(tail, "")) { | |
| 2574 FLAG_SET_CMDLINE(bool, TraceClassLoading, true); | |
| 2575 FLAG_SET_CMDLINE(bool, TraceClassUnloading, true); | |
| 2576 } else if (!strcmp(tail, ":gc")) { | |
| 2577 FLAG_SET_CMDLINE(bool, PrintGC, true); | |
| 2578 } else if (!strcmp(tail, ":jni")) { | |
| 2579 FLAG_SET_CMDLINE(bool, PrintJNIResolving, true); | |
| 2580 } | |
| 2581 // -da / -ea / -disableassertions / -enableassertions | |
| 2582 // These accept an optional class/package name separated by a colon, e.g., | |
| 2583 // -da:java.lang.Thread. | |
| 2584 } else if (match_option(option, user_assertion_options, &tail, true)) { | |
| 2585 bool enable = option->optionString[1] == 'e'; // char after '-' is 'e' | |
| 2586 if (*tail == '\0') { | |
| 2587 JavaAssertions::setUserClassDefault(enable); | |
| 2588 } else { | |
| 2589 assert(*tail == ':', "bogus match by match_option()"); | |
| 2590 JavaAssertions::addOption(tail + 1, enable); | |
| 2591 } | |
| 2592 // -dsa / -esa / -disablesystemassertions / -enablesystemassertions | |
| 2593 } else if (match_option(option, system_assertion_options, &tail, false)) { | |
| 2594 bool enable = option->optionString[1] == 'e'; // char after '-' is 'e' | |
| 2595 JavaAssertions::setSystemClassDefault(enable); | |
| 2596 // -bootclasspath: | |
| 2597 } else if (match_option(option, "-Xbootclasspath:", &tail)) { | |
| 2598 scp_p->reset_path(tail); | |
| 2599 *scp_assembly_required_p = true; | |
| 2600 // -bootclasspath/a: | |
| 2601 } else if (match_option(option, "-Xbootclasspath/a:", &tail)) { | |
| 2602 scp_p->add_suffix(tail); | |
| 2603 *scp_assembly_required_p = true; | |
| 2604 // -bootclasspath/p: | |
| 2605 } else if (match_option(option, "-Xbootclasspath/p:", &tail)) { | |
| 2606 scp_p->add_prefix(tail); | |
| 2607 *scp_assembly_required_p = true; | |
| 2608 // -Xrun | |
| 2609 } else if (match_option(option, "-Xrun", &tail)) { | |
|
531
40ee984935b9
6792705: Add JAR file to bootclasspath when using AggressiveOpts
phh
parents:
513
diff
changeset
|
2610 if (tail != NULL) { |
| 0 | 2611 const char* pos = strchr(tail, ':'); |
| 2612 size_t len = (pos == NULL) ? strlen(tail) : pos - tail; | |
| 6197 | 2613 char* name = (char*)memcpy(NEW_C_HEAP_ARRAY(char, len + 1, mtInternal), tail, len); |
| 0 | 2614 name[len] = '\0'; |
| 2615 | |
| 2616 char *options = NULL; | |
| 2617 if(pos != NULL) { | |
| 2618 size_t len2 = strlen(pos+1) + 1; // options start after ':'. Final zero must be copied. | |
| 6197 | 2619 options = (char*)memcpy(NEW_C_HEAP_ARRAY(char, len2, mtInternal), pos+1, len2); |
| 0 | 2620 } |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
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6818
diff
changeset
|
2621 #if !INCLUDE_JVMTI |
| 0 | 2622 if ((strcmp(name, "hprof") == 0) || (strcmp(name, "jdwp") == 0)) { |
|
8720
fad90b102190
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jprovino
parents:
8105
diff
changeset
|
2623 jio_fprintf(defaultStream::error_stream(), |
|
fad90b102190
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8105
diff
changeset
|
2624 "Profiling and debugging agents are not supported in this VM\n"); |
|
fad90b102190
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jprovino
parents:
8105
diff
changeset
|
2625 return JNI_ERR; |
|
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
2626 } |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2627 #endif // !INCLUDE_JVMTI |
|
12739
b699233403ad
Delegate hprof enabled information from hotspot to graal
Christos Kotselidis <christos.kotselidis@oracle.com>
parents:
12490
diff
changeset
|
2628 #if defined(GRAAL) |
|
b699233403ad
Delegate hprof enabled information from hotspot to graal
Christos Kotselidis <christos.kotselidis@oracle.com>
parents:
12490
diff
changeset
|
2629 if (strcmp(name, "hprof") == 0) { |
|
b699233403ad
Delegate hprof enabled information from hotspot to graal
Christos Kotselidis <christos.kotselidis@oracle.com>
parents:
12490
diff
changeset
|
2630 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
|
2631 } |
|
b699233403ad
Delegate hprof enabled information from hotspot to graal
Christos Kotselidis <christos.kotselidis@oracle.com>
parents:
12490
diff
changeset
|
2632 #endif |
|
8720
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
2633 add_init_library(name, options); |
| 0 | 2634 } |
| 2635 // -agentlib and -agentpath | |
| 2636 } else if (match_option(option, "-agentlib:", &tail) || | |
| 2637 (is_absolute_path = match_option(option, "-agentpath:", &tail))) { | |
| 2638 if(tail != NULL) { | |
| 2639 const char* pos = strchr(tail, '='); | |
| 2640 size_t len = (pos == NULL) ? strlen(tail) : pos - tail; | |
| 6197 | 2641 char* name = strncpy(NEW_C_HEAP_ARRAY(char, len + 1, mtInternal), tail, len); |
| 0 | 2642 name[len] = '\0'; |
| 2643 | |
| 2644 char *options = NULL; | |
| 2645 if(pos != NULL) { | |
| 6197 | 2646 options = strcpy(NEW_C_HEAP_ARRAY(char, strlen(pos + 1) + 1, mtInternal), pos + 1); |
| 0 | 2647 } |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
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6818
diff
changeset
|
2648 #if !INCLUDE_JVMTI |
|
10170
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
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parents:
9077
diff
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|
2649 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
|
2650 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
|
2651 "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
|
2652 return JNI_ERR; |
|
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
2653 } |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2654 #endif // !INCLUDE_JVMTI |
|
12739
b699233403ad
Delegate hprof enabled information from hotspot to graal
Christos Kotselidis <christos.kotselidis@oracle.com>
parents:
12490
diff
changeset
|
2655 #if defined(GRAAL) |
|
b699233403ad
Delegate hprof enabled information from hotspot to graal
Christos Kotselidis <christos.kotselidis@oracle.com>
parents:
12490
diff
changeset
|
2656 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
|
2657 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
|
2658 } |
|
b699233403ad
Delegate hprof enabled information from hotspot to graal
Christos Kotselidis <christos.kotselidis@oracle.com>
parents:
12490
diff
changeset
|
2659 #endif |
|
b699233403ad
Delegate hprof enabled information from hotspot to graal
Christos Kotselidis <christos.kotselidis@oracle.com>
parents:
12490
diff
changeset
|
2660 |
| 0 | 2661 add_init_agent(name, options, is_absolute_path); |
| 2662 } | |
| 2663 // -javaagent | |
| 2664 } else if (match_option(option, "-javaagent:", &tail)) { | |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2665 #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
|
2666 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
|
2667 "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
|
2668 return JNI_ERR; |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2669 #else |
| 0 | 2670 if(tail != NULL) { |
| 6197 | 2671 char *options = strcpy(NEW_C_HEAP_ARRAY(char, strlen(tail) + 1, mtInternal), tail); |
| 0 | 2672 add_init_agent("instrument", options, false); |
| 2673 } | |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2674 #endif // !INCLUDE_JVMTI |
| 0 | 2675 // -Xnoclassgc |
| 2676 } else if (match_option(option, "-Xnoclassgc", &tail)) { | |
| 2677 FLAG_SET_CMDLINE(bool, ClassUnloading, false); | |
| 2678 // -Xincgc: i-CMS | |
| 2679 } else if (match_option(option, "-Xincgc", &tail)) { | |
| 2680 FLAG_SET_CMDLINE(bool, UseConcMarkSweepGC, true); | |
| 2681 FLAG_SET_CMDLINE(bool, CMSIncrementalMode, true); | |
| 2682 // -Xnoincgc: no i-CMS | |
| 2683 } else if (match_option(option, "-Xnoincgc", &tail)) { | |
| 2684 FLAG_SET_CMDLINE(bool, UseConcMarkSweepGC, false); | |
| 2685 FLAG_SET_CMDLINE(bool, CMSIncrementalMode, false); | |
| 2686 // -Xconcgc | |
| 2687 } else if (match_option(option, "-Xconcgc", &tail)) { | |
| 2688 FLAG_SET_CMDLINE(bool, UseConcMarkSweepGC, true); | |
| 2689 // -Xnoconcgc | |
| 2690 } else if (match_option(option, "-Xnoconcgc", &tail)) { | |
| 2691 FLAG_SET_CMDLINE(bool, UseConcMarkSweepGC, false); | |
| 2692 // -Xbatch | |
| 2693 } else if (match_option(option, "-Xbatch", &tail)) { | |
| 2694 FLAG_SET_CMDLINE(bool, BackgroundCompilation, false); | |
| 2695 // -Xmn for compatibility with other JVM vendors | |
| 2696 } else if (match_option(option, "-Xmn", &tail)) { | |
| 12831 | 2697 julong long_initial_young_size = 0; |
| 2698 ArgsRange errcode = parse_memory_size(tail, &long_initial_young_size, 1); | |
| 0 | 2699 if (errcode != arg_in_range) { |
| 2700 jio_fprintf(defaultStream::error_stream(), | |
| 12831 | 2701 "Invalid initial young generation size: %s\n", option->optionString); |
| 0 | 2702 describe_range_error(errcode); |
| 2703 return JNI_EINVAL; | |
| 2704 } | |
| 12831 | 2705 FLAG_SET_CMDLINE(uintx, MaxNewSize, (uintx)long_initial_young_size); |
| 2706 FLAG_SET_CMDLINE(uintx, NewSize, (uintx)long_initial_young_size); | |
| 0 | 2707 // -Xms |
| 2708 } else if (match_option(option, "-Xms", &tail)) { | |
|
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
2709 julong long_initial_heap_size = 0; |
|
10241
d17700c82d7d
8006088: Incompatible heap size flags accepted by VM
tschatzl
parents:
10240
diff
changeset
|
2710 // an initial heap size of 0 means automatically determine |
|
d17700c82d7d
8006088: Incompatible heap size flags accepted by VM
tschatzl
parents:
10240
diff
changeset
|
2711 ArgsRange errcode = parse_memory_size(tail, &long_initial_heap_size, 0); |
| 0 | 2712 if (errcode != arg_in_range) { |
| 2713 jio_fprintf(defaultStream::error_stream(), | |
| 2714 "Invalid initial heap size: %s\n", option->optionString); | |
| 2715 describe_range_error(errcode); | |
| 2716 return JNI_EINVAL; | |
| 2717 } | |
|
13059
46d7652b223c
8026853: Prepare GC code for collector policy regression fix
jwilhelm
parents:
13008
diff
changeset
|
2718 set_min_heap_size((uintx)long_initial_heap_size); |
| 0 | 2719 // 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
|
2720 // Can be overridden with -XX:InitialHeapSize. |
|
46d7652b223c
8026853: Prepare GC code for collector policy regression fix
jwilhelm
parents:
13008
diff
changeset
|
2721 FLAG_SET_CMDLINE(uintx, InitialHeapSize, (uintx)long_initial_heap_size); |
| 0 | 2722 // -Xmx |
|
10241
d17700c82d7d
8006088: Incompatible heap size flags accepted by VM
tschatzl
parents:
10240
diff
changeset
|
2723 } 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
|
2724 julong long_max_heap_size = 0; |
| 0 | 2725 ArgsRange errcode = parse_memory_size(tail, &long_max_heap_size, 1); |
| 2726 if (errcode != arg_in_range) { | |
| 2727 jio_fprintf(defaultStream::error_stream(), | |
| 2728 "Invalid maximum heap size: %s\n", option->optionString); | |
| 2729 describe_range_error(errcode); | |
| 2730 return JNI_EINVAL; | |
| 2731 } | |
| 1064 | 2732 FLAG_SET_CMDLINE(uintx, MaxHeapSize, (uintx)long_max_heap_size); |
| 0 | 2733 // Xmaxf |
| 2734 } 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
|
2735 char* err; |
|
027006a47a6d
8025661: Ill-formed -Xminf and -Xmaxf options values interpreted as 0
sjohanss
parents:
12840
diff
changeset
|
2736 int maxf = (int)(strtod(tail, &err) * 100); |
| 14909 | 2737 if (*err != '\0' || maxf < 0 || maxf > 100) { |
| 0 | 2738 jio_fprintf(defaultStream::error_stream(), |
| 2739 "Bad max heap free percentage size: %s\n", | |
| 2740 option->optionString); | |
| 2741 return JNI_EINVAL; | |
| 2742 } else { | |
| 2743 FLAG_SET_CMDLINE(uintx, MaxHeapFreeRatio, maxf); | |
| 2744 } | |
| 2745 // Xminf | |
| 2746 } 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
|
2747 char* err; |
|
027006a47a6d
8025661: Ill-formed -Xminf and -Xmaxf options values interpreted as 0
sjohanss
parents:
12840
diff
changeset
|
2748 int minf = (int)(strtod(tail, &err) * 100); |
| 14909 | 2749 if (*err != '\0' || minf < 0 || minf > 100) { |
| 0 | 2750 jio_fprintf(defaultStream::error_stream(), |
| 2751 "Bad min heap free percentage size: %s\n", | |
| 2752 option->optionString); | |
| 2753 return JNI_EINVAL; | |
| 2754 } else { | |
| 2755 FLAG_SET_CMDLINE(uintx, MinHeapFreeRatio, minf); | |
| 2756 } | |
| 2757 // -Xss | |
| 2758 } else if (match_option(option, "-Xss", &tail)) { | |
|
489
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diff
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|
2759 julong long_ThreadStackSize = 0; |
| 0 | 2760 ArgsRange errcode = parse_memory_size(tail, &long_ThreadStackSize, 1000); |
| 2761 if (errcode != arg_in_range) { | |
| 2762 jio_fprintf(defaultStream::error_stream(), | |
| 2763 "Invalid thread stack size: %s\n", option->optionString); | |
| 2764 describe_range_error(errcode); | |
| 2765 return JNI_EINVAL; | |
| 2766 } | |
| 2767 // Internally track ThreadStackSize in units of 1024 bytes. | |
| 2768 FLAG_SET_CMDLINE(intx, ThreadStackSize, | |
| 2769 round_to((int)long_ThreadStackSize, K) / K); | |
| 2770 // -Xoss | |
| 2771 } else if (match_option(option, "-Xoss", &tail)) { | |
| 2772 // 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
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11006
diff
changeset
|
2773 } else if (match_option(option, "-XX:CodeCacheExpansionSize=", &tail)) { |
|
738e04fb1232
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diff
changeset
|
2774 julong long_CodeCacheExpansionSize = 0; |
|
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
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11006
diff
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|
2775 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
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11006
diff
changeset
|
2776 if (errcode != arg_in_range) { |
|
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
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11006
diff
changeset
|
2777 jio_fprintf(defaultStream::error_stream(), |
|
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
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11006
diff
changeset
|
2778 "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
|
2779 os::vm_page_size()/K); |
|
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
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11006
diff
changeset
|
2780 return JNI_EINVAL; |
|
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
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11006
diff
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|
2781 } |
|
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
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11006
diff
changeset
|
2782 FLAG_SET_CMDLINE(uintx, CodeCacheExpansionSize, (uintx)long_CodeCacheExpansionSize); |
|
2095
36c186bcc085
6302804: Hotspot VM dies ungraceful death when C heap is exhausted in various places.
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2002
diff
changeset
|
2783 } else if (match_option(option, "-Xmaxjitcodesize", &tail) || |
|
36c186bcc085
6302804: Hotspot VM dies ungraceful death when C heap is exhausted in various places.
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2002
diff
changeset
|
2784 match_option(option, "-XX:ReservedCodeCacheSize=", &tail)) { |
|
489
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diff
changeset
|
2785 julong long_ReservedCodeCacheSize = 0; |
|
11079
738e04fb1232
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diff
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|
2786 |
|
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
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10319
diff
changeset
|
2787 ArgsRange errcode = parse_memory_size(tail, &long_ReservedCodeCacheSize, 1); |
| 0 | 2788 if (errcode != arg_in_range) { |
| 2789 jio_fprintf(defaultStream::error_stream(), | |
|
10392
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diff
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|
2790 "Invalid maximum code cache size: %s.\n", option->optionString); |
| 0 | 2791 return JNI_EINVAL; |
| 2792 } | |
| 2793 FLAG_SET_CMDLINE(uintx, ReservedCodeCacheSize, (uintx)long_ReservedCodeCacheSize); | |
|
10319
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
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10294
diff
changeset
|
2794 //-XX:IncreaseFirstTierCompileThresholdAt= |
|
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
parents:
10294
diff
changeset
|
2795 } 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
|
2796 uintx uint_IncreaseFirstTierCompileThresholdAt = 0; |
|
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
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10294
diff
changeset
|
2797 if (!parse_uintx(tail, &uint_IncreaseFirstTierCompileThresholdAt, 0) || uint_IncreaseFirstTierCompileThresholdAt > 99) { |
|
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
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10294
diff
changeset
|
2798 jio_fprintf(defaultStream::error_stream(), |
|
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
parents:
10294
diff
changeset
|
2799 "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
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diff
changeset
|
2800 option->optionString); |
|
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
parents:
10294
diff
changeset
|
2801 return JNI_EINVAL; |
|
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
parents:
10294
diff
changeset
|
2802 } |
|
91eba9f82325
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parents:
10294
diff
changeset
|
2803 FLAG_SET_CMDLINE(uintx, IncreaseFirstTierCompileThresholdAt, (uintx)uint_IncreaseFirstTierCompileThresholdAt); |
| 0 | 2804 // -green |
| 2805 } else if (match_option(option, "-green", &tail)) { | |
| 2806 jio_fprintf(defaultStream::error_stream(), | |
| 2807 "Green threads support not available\n"); | |
| 2808 return JNI_EINVAL; | |
| 2809 // -native | |
| 2810 } else if (match_option(option, "-native", &tail)) { | |
| 2811 // HotSpot always uses native threads, ignore silently for compatibility | |
| 2812 // -Xsqnopause | |
| 2813 } else if (match_option(option, "-Xsqnopause", &tail)) { | |
| 2814 // EVM option, ignore silently for compatibility | |
| 2815 // -Xrs | |
| 2816 } else if (match_option(option, "-Xrs", &tail)) { | |
| 2817 // Classic/EVM option, new functionality | |
| 2818 FLAG_SET_CMDLINE(bool, ReduceSignalUsage, true); | |
| 2819 } else if (match_option(option, "-Xusealtsigs", &tail)) { | |
| 2820 // change default internal VM signals used - lower case for back compat | |
| 2821 FLAG_SET_CMDLINE(bool, UseAltSigs, true); | |
| 2822 // -Xoptimize | |
| 2823 } else if (match_option(option, "-Xoptimize", &tail)) { | |
| 2824 // EVM option, ignore silently for compatibility | |
| 2825 // -Xprof | |
| 2826 } else if (match_option(option, "-Xprof", &tail)) { | |
|
6854
fb19af007ffc
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jprovino
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6818
diff
changeset
|
2827 #if INCLUDE_FPROF |
| 0 | 2828 _has_profile = true; |
|
6854
fb19af007ffc
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jprovino
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6818
diff
changeset
|
2829 #else // INCLUDE_FPROF |
|
8720
fad90b102190
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jprovino
parents:
8105
diff
changeset
|
2830 jio_fprintf(defaultStream::error_stream(), |
|
fad90b102190
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jprovino
parents:
8105
diff
changeset
|
2831 "Flat profiling 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
|
2832 return JNI_ERR; |
|
6854
fb19af007ffc
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6818
diff
changeset
|
2833 #endif // INCLUDE_FPROF |
| 0 | 2834 // -Xconcurrentio |
| 2835 } else if (match_option(option, "-Xconcurrentio", &tail)) { | |
| 2836 FLAG_SET_CMDLINE(bool, UseLWPSynchronization, true); | |
| 2837 FLAG_SET_CMDLINE(bool, BackgroundCompilation, false); | |
| 2838 FLAG_SET_CMDLINE(intx, DeferThrSuspendLoopCount, 1); | |
| 2839 FLAG_SET_CMDLINE(bool, UseTLAB, false); | |
| 2840 FLAG_SET_CMDLINE(uintx, NewSizeThreadIncrease, 16 * K); // 20Kb per thread added to new generation | |
| 2841 | |
| 2842 // -Xinternalversion | |
| 2843 } else if (match_option(option, "-Xinternalversion", &tail)) { | |
| 2844 jio_fprintf(defaultStream::output_stream(), "%s\n", | |
| 2845 VM_Version::internal_vm_info_string()); | |
| 2846 vm_exit(0); | |
| 2847 #ifndef PRODUCT | |
| 2848 // -Xprintflags | |
| 2849 } else if (match_option(option, "-Xprintflags", &tail)) { | |
| 4773 | 2850 CommandLineFlags::printFlags(tty, false); |
| 0 | 2851 vm_exit(0); |
| 2852 #endif | |
| 2853 // -D | |
| 2854 } else if (match_option(option, "-D", &tail)) { | |
| 2855 if (!add_property(tail)) { | |
| 2856 return JNI_ENOMEM; | |
| 2857 } | |
| 2858 // Out of the box management support | |
| 2859 if (match_option(option, "-Dcom.sun.management", &tail)) { | |
|
8081
579f6adb7f51
8003539: Minimal VM don't react to -Dcom.sun.management and -XX:+ManagementServer
jprovino
parents:
8002
diff
changeset
|
2860 #if INCLUDE_MANAGEMENT |
| 0 | 2861 FLAG_SET_CMDLINE(bool, ManagementServer, true); |
|
8081
579f6adb7f51
8003539: Minimal VM don't react to -Dcom.sun.management and -XX:+ManagementServer
jprovino
parents:
8002
diff
changeset
|
2862 #else |
|
8720
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
2863 jio_fprintf(defaultStream::output_stream(), |
|
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
2864 "-Dcom.sun.management 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
|
2865 return JNI_ERR; |
|
8081
579f6adb7f51
8003539: Minimal VM don't react to -Dcom.sun.management and -XX:+ManagementServer
jprovino
parents:
8002
diff
changeset
|
2866 #endif |
| 0 | 2867 } |
| 2868 // -Xint | |
| 2869 } else if (match_option(option, "-Xint", &tail)) { | |
| 2870 set_mode_flags(_int); | |
| 2871 // -Xmixed | |
| 2872 } else if (match_option(option, "-Xmixed", &tail)) { | |
| 2873 set_mode_flags(_mixed); | |
| 2874 // -Xcomp | |
| 2875 } else if (match_option(option, "-Xcomp", &tail)) { | |
| 2876 // for testing the compiler; turn off all flags that inhibit compilation | |
| 2877 set_mode_flags(_comp); | |
| 2878 // -Xshare:dump | |
| 2879 } else if (match_option(option, "-Xshare:dump", &tail)) { | |
| 2880 FLAG_SET_CMDLINE(bool, DumpSharedSpaces, true); | |
| 2881 set_mode_flags(_int); // Prevent compilation, which creates objects | |
| 2882 // -Xshare:on | |
| 2883 } else if (match_option(option, "-Xshare:on", &tail)) { | |
| 2884 FLAG_SET_CMDLINE(bool, UseSharedSpaces, true); | |
| 2885 FLAG_SET_CMDLINE(bool, RequireSharedSpaces, true); | |
| 2886 // -Xshare:auto | |
| 2887 } else if (match_option(option, "-Xshare:auto", &tail)) { | |
| 2888 FLAG_SET_CMDLINE(bool, UseSharedSpaces, true); | |
| 2889 FLAG_SET_CMDLINE(bool, RequireSharedSpaces, false); | |
| 2890 // -Xshare:off | |
| 2891 } else if (match_option(option, "-Xshare:off", &tail)) { | |
| 2892 FLAG_SET_CMDLINE(bool, UseSharedSpaces, false); | |
| 2893 FLAG_SET_CMDLINE(bool, RequireSharedSpaces, false); | |
| 2894 // -Xverify | |
| 2895 } else if (match_option(option, "-Xverify", &tail)) { | |
| 2896 if (strcmp(tail, ":all") == 0 || strcmp(tail, "") == 0) { | |
| 2897 FLAG_SET_CMDLINE(bool, BytecodeVerificationLocal, true); | |
| 2898 FLAG_SET_CMDLINE(bool, BytecodeVerificationRemote, true); | |
| 2899 } else if (strcmp(tail, ":remote") == 0) { | |
| 2900 FLAG_SET_CMDLINE(bool, BytecodeVerificationLocal, false); | |
| 2901 FLAG_SET_CMDLINE(bool, BytecodeVerificationRemote, true); | |
| 2902 } else if (strcmp(tail, ":none") == 0) { | |
| 2903 FLAG_SET_CMDLINE(bool, BytecodeVerificationLocal, false); | |
| 2904 FLAG_SET_CMDLINE(bool, BytecodeVerificationRemote, false); | |
| 2905 } else if (is_bad_option(option, args->ignoreUnrecognized, "verification")) { | |
| 2906 return JNI_EINVAL; | |
| 2907 } | |
| 2908 // -Xdebug | |
| 2909 } else if (match_option(option, "-Xdebug", &tail)) { | |
| 2910 // note this flag has been used, then ignore | |
| 2911 set_xdebug_mode(true); | |
| 2912 // -Xnoagent | |
| 2913 } else if (match_option(option, "-Xnoagent", &tail)) { | |
| 2914 // For compatibility with classic. HotSpot refuses to load the old style agent.dll. | |
| 2915 } else if (match_option(option, "-Xboundthreads", &tail)) { | |
| 2916 // Bind user level threads to kernel threads (Solaris only) | |
| 2917 FLAG_SET_CMDLINE(bool, UseBoundThreads, true); | |
| 2918 } else if (match_option(option, "-Xloggc:", &tail)) { | |
| 2919 // Redirect GC output to the file. -Xloggc:<filename> | |
| 2920 // ostream_init_log(), when called will use this filename | |
| 2921 // to initialize a fileStream. | |
| 2922 _gc_log_filename = strdup(tail); | |
| 12215 | 2923 if (!is_filename_valid(_gc_log_filename)) { |
| 2924 jio_fprintf(defaultStream::output_stream(), | |
| 2925 "Invalid file name for use with -Xloggc: Filename can only contain the " | |
| 2926 "characters [A-Z][a-z][0-9]-_.%%[p|t] but it has been %s\n" | |
| 2927 "Note %%p or %%t can only be used once\n", _gc_log_filename); | |
| 2928 return JNI_EINVAL; | |
| 2929 } | |
| 0 | 2930 FLAG_SET_CMDLINE(bool, PrintGC, true); |
| 2931 FLAG_SET_CMDLINE(bool, PrintGCTimeStamps, true); | |
| 2932 | |
| 2933 // JNI hooks | |
| 2934 } else if (match_option(option, "-Xcheck", &tail)) { | |
| 2935 if (!strcmp(tail, ":jni")) { | |
|
6854
fb19af007ffc
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6818
diff
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|
2936 #if !INCLUDE_JNI_CHECK |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
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parents:
6818
diff
changeset
|
2937 warning("JNI CHECKING is not supported in this VM"); |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2938 #else |
| 0 | 2939 CheckJNICalls = true; |
|
6854
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6818
diff
changeset
|
2940 #endif // INCLUDE_JNI_CHECK |
| 0 | 2941 } else if (is_bad_option(option, args->ignoreUnrecognized, |
| 2942 "check")) { | |
| 2943 return JNI_EINVAL; | |
| 2944 } | |
| 2945 } else if (match_option(option, "vfprintf", &tail)) { | |
| 2946 _vfprintf_hook = CAST_TO_FN_PTR(vfprintf_hook_t, option->extraInfo); | |
| 2947 } else if (match_option(option, "exit", &tail)) { | |
| 2948 _exit_hook = CAST_TO_FN_PTR(exit_hook_t, option->extraInfo); | |
| 2949 } else if (match_option(option, "abort", &tail)) { | |
| 2950 _abort_hook = CAST_TO_FN_PTR(abort_hook_t, option->extraInfo); | |
| 2951 // -XX:+AggressiveHeap | |
| 2952 } else if (match_option(option, "-XX:+AggressiveHeap", &tail)) { | |
| 2953 | |
| 2954 // This option inspects the machine and attempts to set various | |
| 2955 // parameters to be optimal for long-running, memory allocation | |
| 2956 // intensive jobs. It is intended for machines with large | |
| 2957 // amounts of cpu and memory. | |
| 2958 | |
| 2959 // initHeapSize is needed since _initial_heap_size is 4 bytes on a 32 bit | |
| 2960 // VM, but we may not be able to represent the total physical memory | |
| 2961 // available (like having 8gb of memory on a box but using a 32bit VM). | |
| 2962 // Thus, we need to make sure we're using a julong for intermediate | |
| 2963 // calculations. | |
| 2964 julong initHeapSize; | |
| 2965 julong total_memory = os::physical_memory(); | |
| 2966 | |
| 2967 if (total_memory < (julong)256*M) { | |
| 2968 jio_fprintf(defaultStream::error_stream(), | |
| 2969 "You need at least 256mb of memory to use -XX:+AggressiveHeap\n"); | |
| 2970 vm_exit(1); | |
| 2971 } | |
| 2972 | |
| 2973 // The heap size is half of available memory, or (at most) | |
| 2974 // all of possible memory less 160mb (leaving room for the OS | |
| 2975 // when using ISM). This is the maximum; because adaptive sizing | |
| 2976 // is turned on below, the actual space used may be smaller. | |
| 2977 | |
| 2978 initHeapSize = MIN2(total_memory / (julong)2, | |
| 2979 total_memory - (julong)160*M); | |
| 2980 | |
|
8854
754c24457b20
7112912: Message "Error occurred during initialization of VM" on boxes with lots of RAM
tschatzl
parents:
8824
diff
changeset
|
2981 initHeapSize = limit_by_allocatable_memory(initHeapSize); |
| 0 | 2982 |
| 2983 if (FLAG_IS_DEFAULT(MaxHeapSize)) { | |
| 2984 FLAG_SET_CMDLINE(uintx, MaxHeapSize, initHeapSize); | |
| 1064 | 2985 FLAG_SET_CMDLINE(uintx, InitialHeapSize, initHeapSize); |
| 0 | 2986 // Currently the minimum size and the initial heap sizes are the same. |
| 1064 | 2987 set_min_heap_size(initHeapSize); |
| 0 | 2988 } |
| 2989 if (FLAG_IS_DEFAULT(NewSize)) { | |
| 2990 // Make the young generation 3/8ths of the total heap. | |
| 2991 FLAG_SET_CMDLINE(uintx, NewSize, | |
| 2992 ((julong)MaxHeapSize / (julong)8) * (julong)3); | |
| 2993 FLAG_SET_CMDLINE(uintx, MaxNewSize, NewSize); | |
| 2994 } | |
| 2995 | |
|
6917
e81fbc04a942
7191817: -XX:+UseSerialGC -XX:+UseLargePages crashes with SIGFPE on MacOS X
coleenp
parents:
6916
diff
changeset
|
2996 #ifndef _ALLBSD_SOURCE // UseLargePages is not yet supported on BSD. |
| 0 | 2997 FLAG_SET_DEFAULT(UseLargePages, true); |
|
6917
e81fbc04a942
7191817: -XX:+UseSerialGC -XX:+UseLargePages crashes with SIGFPE on MacOS X
coleenp
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6916
diff
changeset
|
2998 #endif |
| 0 | 2999 |
| 3000 // Increase some data structure sizes for efficiency | |
| 3001 FLAG_SET_CMDLINE(uintx, BaseFootPrintEstimate, MaxHeapSize); | |
| 3002 FLAG_SET_CMDLINE(bool, ResizeTLAB, false); | |
| 3003 FLAG_SET_CMDLINE(uintx, TLABSize, 256*K); | |
| 3004 | |
| 3005 // See the OldPLABSize comment below, but replace 'after promotion' | |
| 3006 // with 'after copying'. YoungPLABSize is the size of the survivor | |
| 3007 // space per-gc-thread buffers. The default is 4kw. | |
| 3008 FLAG_SET_CMDLINE(uintx, YoungPLABSize, 256*K); // Note: this is in words | |
| 3009 | |
| 3010 // OldPLABSize is the size of the buffers in the old gen that | |
| 3011 // UseParallelGC uses to promote live data that doesn't fit in the | |
| 3012 // survivor spaces. At any given time, there's one for each gc thread. | |
| 3013 // The default size is 1kw. These buffers are rarely used, since the | |
| 3014 // survivor spaces are usually big enough. For specjbb, however, there | |
| 3015 // are occasions when there's lots of live data in the young gen | |
| 3016 // and we end up promoting some of it. We don't have a definite | |
| 3017 // explanation for why bumping OldPLABSize helps, but the theory | |
| 3018 // is that a bigger PLAB results in retaining something like the | |
| 3019 // original allocation order after promotion, which improves mutator | |
| 3020 // locality. A minor effect may be that larger PLABs reduce the | |
| 3021 // number of PLAB allocation events during gc. The value of 8kw | |
| 3022 // was arrived at by experimenting with specjbb. | |
| 3023 FLAG_SET_CMDLINE(uintx, OldPLABSize, 8*K); // Note: this is in words | |
| 3024 | |
| 3025 // Enable parallel GC and adaptive generation sizing | |
| 3026 FLAG_SET_CMDLINE(bool, UseParallelGC, true); | |
|
10
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jmasa
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0
diff
changeset
|
3027 FLAG_SET_DEFAULT(ParallelGCThreads, |
|
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
3028 Abstract_VM_Version::parallel_worker_threads()); |
| 0 | 3029 |
| 3030 // Encourage steady state memory management | |
| 3031 FLAG_SET_CMDLINE(uintx, ThresholdTolerance, 100); | |
| 3032 | |
| 3033 // This appears to improve mutator locality | |
| 3034 FLAG_SET_CMDLINE(bool, ScavengeBeforeFullGC, false); | |
| 3035 | |
| 3036 // Get around early Solaris scheduling bug | |
| 3037 // (affinity vs other jobs on system) | |
| 3038 // but disallow DR and offlining (5008695). | |
| 3039 FLAG_SET_CMDLINE(bool, BindGCTaskThreadsToCPUs, true); | |
| 3040 | |
| 3041 } else if (match_option(option, "-XX:+NeverTenure", &tail)) { | |
| 3042 // The last option must always win. | |
| 3043 FLAG_SET_CMDLINE(bool, AlwaysTenure, false); | |
| 3044 FLAG_SET_CMDLINE(bool, NeverTenure, true); | |
| 3045 } else if (match_option(option, "-XX:+AlwaysTenure", &tail)) { | |
| 3046 // The last option must always win. | |
| 3047 FLAG_SET_CMDLINE(bool, NeverTenure, false); | |
| 3048 FLAG_SET_CMDLINE(bool, AlwaysTenure, true); | |
| 3049 } else if (match_option(option, "-XX:+CMSPermGenSweepingEnabled", &tail) || | |
| 3050 match_option(option, "-XX:-CMSPermGenSweepingEnabled", &tail)) { | |
| 3051 jio_fprintf(defaultStream::error_stream(), | |
| 3052 "Please use CMSClassUnloadingEnabled in place of " | |
| 3053 "CMSPermGenSweepingEnabled in the future\n"); | |
| 3054 } else if (match_option(option, "-XX:+UseGCTimeLimit", &tail)) { | |
| 3055 FLAG_SET_CMDLINE(bool, UseGCOverheadLimit, true); | |
| 3056 jio_fprintf(defaultStream::error_stream(), | |
| 3057 "Please use -XX:+UseGCOverheadLimit in place of " | |
| 3058 "-XX:+UseGCTimeLimit in the future\n"); | |
| 3059 } else if (match_option(option, "-XX:-UseGCTimeLimit", &tail)) { | |
| 3060 FLAG_SET_CMDLINE(bool, UseGCOverheadLimit, false); | |
| 3061 jio_fprintf(defaultStream::error_stream(), | |
| 3062 "Please use -XX:-UseGCOverheadLimit in place of " | |
| 3063 "-XX:-UseGCTimeLimit in the future\n"); | |
| 3064 // The TLE options are for compatibility with 1.3 and will be | |
| 3065 // removed without notice in a future release. These options | |
| 3066 // are not to be documented. | |
| 3067 } else if (match_option(option, "-XX:MaxTLERatio=", &tail)) { | |
| 3068 // No longer used. | |
| 3069 } else if (match_option(option, "-XX:+ResizeTLE", &tail)) { | |
| 3070 FLAG_SET_CMDLINE(bool, ResizeTLAB, true); | |
| 3071 } else if (match_option(option, "-XX:-ResizeTLE", &tail)) { | |
| 3072 FLAG_SET_CMDLINE(bool, ResizeTLAB, false); | |
| 3073 } else if (match_option(option, "-XX:+PrintTLE", &tail)) { | |
| 3074 FLAG_SET_CMDLINE(bool, PrintTLAB, true); | |
| 3075 } else if (match_option(option, "-XX:-PrintTLE", &tail)) { | |
| 3076 FLAG_SET_CMDLINE(bool, PrintTLAB, false); | |
| 3077 } else if (match_option(option, "-XX:TLEFragmentationRatio=", &tail)) { | |
| 3078 // No longer used. | |
| 3079 } else if (match_option(option, "-XX:TLESize=", &tail)) { | |
|
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
3080 julong long_tlab_size = 0; |
| 0 | 3081 ArgsRange errcode = parse_memory_size(tail, &long_tlab_size, 1); |
| 3082 if (errcode != arg_in_range) { | |
| 3083 jio_fprintf(defaultStream::error_stream(), | |
| 3084 "Invalid TLAB size: %s\n", option->optionString); | |
| 3085 describe_range_error(errcode); | |
| 3086 return JNI_EINVAL; | |
| 3087 } | |
| 3088 FLAG_SET_CMDLINE(uintx, TLABSize, long_tlab_size); | |
| 3089 } else if (match_option(option, "-XX:TLEThreadRatio=", &tail)) { | |
| 3090 // No longer used. | |
| 3091 } else if (match_option(option, "-XX:+UseTLE", &tail)) { | |
| 3092 FLAG_SET_CMDLINE(bool, UseTLAB, true); | |
| 3093 } else if (match_option(option, "-XX:-UseTLE", &tail)) { | |
| 3094 FLAG_SET_CMDLINE(bool, UseTLAB, false); | |
| 3095 } else if (match_option(option, "-XX:+DisplayVMOutputToStderr", &tail)) { | |
| 3096 FLAG_SET_CMDLINE(bool, DisplayVMOutputToStdout, false); | |
| 3097 FLAG_SET_CMDLINE(bool, DisplayVMOutputToStderr, true); | |
| 3098 } else if (match_option(option, "-XX:+DisplayVMOutputToStdout", &tail)) { | |
| 3099 FLAG_SET_CMDLINE(bool, DisplayVMOutputToStderr, false); | |
| 3100 FLAG_SET_CMDLINE(bool, DisplayVMOutputToStdout, true); | |
| 3101 } else if (match_option(option, "-XX:+ExtendedDTraceProbes", &tail)) { | |
| 4006 | 3102 #if defined(DTRACE_ENABLED) |
| 0 | 3103 FLAG_SET_CMDLINE(bool, ExtendedDTraceProbes, true); |
| 3104 FLAG_SET_CMDLINE(bool, DTraceMethodProbes, true); | |
| 3105 FLAG_SET_CMDLINE(bool, DTraceAllocProbes, true); | |
| 3106 FLAG_SET_CMDLINE(bool, DTraceMonitorProbes, true); | |
| 4006 | 3107 #else // defined(DTRACE_ENABLED) |
| 0 | 3108 jio_fprintf(defaultStream::error_stream(), |
| 4006 | 3109 "ExtendedDTraceProbes flag is not applicable for this configuration\n"); |
| 0 | 3110 return JNI_EINVAL; |
| 4006 | 3111 #endif // defined(DTRACE_ENABLED) |
| 0 | 3112 #ifdef ASSERT |
|
1145
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3113 } else if (match_option(option, "-XX:+FullGCALot", &tail)) { |
| 0 | 3114 FLAG_SET_CMDLINE(bool, FullGCALot, true); |
| 3115 // disable scavenge before parallel mark-compact | |
| 3116 FLAG_SET_CMDLINE(bool, ScavengeBeforeFullGC, false); | |
| 3117 #endif | |
|
1145
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3118 } else if (match_option(option, "-XX:CMSParPromoteBlocksToClaim=", &tail)) { |
| 0 | 3119 julong cms_blocks_to_claim = (julong)atol(tail); |
| 3120 FLAG_SET_CMDLINE(uintx, CMSParPromoteBlocksToClaim, cms_blocks_to_claim); | |
| 3121 jio_fprintf(defaultStream::error_stream(), | |
|
1145
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3122 "Please use -XX:OldPLABSize in place of " |
|
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3123 "-XX:CMSParPromoteBlocksToClaim in the future\n"); |
|
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3124 } else if (match_option(option, "-XX:ParCMSPromoteBlocksToClaim=", &tail)) { |
|
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3125 julong cms_blocks_to_claim = (julong)atol(tail); |
|
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3126 FLAG_SET_CMDLINE(uintx, CMSParPromoteBlocksToClaim, cms_blocks_to_claim); |
|
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3127 jio_fprintf(defaultStream::error_stream(), |
|
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3128 "Please use -XX:OldPLABSize in place of " |
| 0 | 3129 "-XX:ParCMSPromoteBlocksToClaim in the future\n"); |
|
1145
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3130 } else if (match_option(option, "-XX:ParallelGCOldGenAllocBufferSize=", &tail)) { |
|
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
3131 julong old_plab_size = 0; |
| 0 | 3132 ArgsRange errcode = parse_memory_size(tail, &old_plab_size, 1); |
| 3133 if (errcode != arg_in_range) { | |
| 3134 jio_fprintf(defaultStream::error_stream(), | |
| 3135 "Invalid old PLAB size: %s\n", option->optionString); | |
| 3136 describe_range_error(errcode); | |
| 3137 return JNI_EINVAL; | |
| 3138 } | |
|
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
3139 FLAG_SET_CMDLINE(uintx, OldPLABSize, old_plab_size); |
| 0 | 3140 jio_fprintf(defaultStream::error_stream(), |
| 3141 "Please use -XX:OldPLABSize in place of " | |
| 3142 "-XX:ParallelGCOldGenAllocBufferSize in the future\n"); | |
|
1145
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3143 } else if (match_option(option, "-XX:ParallelGCToSpaceAllocBufferSize=", &tail)) { |
|
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
3144 julong young_plab_size = 0; |
| 0 | 3145 ArgsRange errcode = parse_memory_size(tail, &young_plab_size, 1); |
| 3146 if (errcode != arg_in_range) { | |
| 3147 jio_fprintf(defaultStream::error_stream(), | |
| 3148 "Invalid young PLAB size: %s\n", option->optionString); | |
| 3149 describe_range_error(errcode); | |
| 3150 return JNI_EINVAL; | |
| 3151 } | |
|
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
3152 FLAG_SET_CMDLINE(uintx, YoungPLABSize, young_plab_size); |
| 0 | 3153 jio_fprintf(defaultStream::error_stream(), |
| 3154 "Please use -XX:YoungPLABSize in place of " | |
| 3155 "-XX:ParallelGCToSpaceAllocBufferSize in the future\n"); | |
| 1284 | 3156 } else if (match_option(option, "-XX:CMSMarkStackSize=", &tail) || |
| 3157 match_option(option, "-XX:G1MarkStackSize=", &tail)) { | |
| 3158 julong stack_size = 0; | |
| 3159 ArgsRange errcode = parse_memory_size(tail, &stack_size, 1); | |
| 3160 if (errcode != arg_in_range) { | |
| 3161 jio_fprintf(defaultStream::error_stream(), | |
| 3162 "Invalid mark stack size: %s\n", option->optionString); | |
| 3163 describe_range_error(errcode); | |
| 3164 return JNI_EINVAL; | |
| 3165 } | |
| 3166 FLAG_SET_CMDLINE(uintx, MarkStackSize, stack_size); | |
| 3167 } else if (match_option(option, "-XX:CMSMarkStackSizeMax=", &tail)) { | |
| 3168 julong max_stack_size = 0; | |
| 3169 ArgsRange errcode = parse_memory_size(tail, &max_stack_size, 1); | |
| 3170 if (errcode != arg_in_range) { | |
| 3171 jio_fprintf(defaultStream::error_stream(), | |
| 3172 "Invalid maximum mark stack size: %s\n", | |
| 3173 option->optionString); | |
| 3174 describe_range_error(errcode); | |
| 3175 return JNI_EINVAL; | |
| 3176 } | |
| 3177 FLAG_SET_CMDLINE(uintx, MarkStackSizeMax, max_stack_size); | |
| 3178 } else if (match_option(option, "-XX:ParallelMarkingThreads=", &tail) || | |
| 3179 match_option(option, "-XX:ParallelCMSThreads=", &tail)) { | |
| 3180 uintx conc_threads = 0; | |
| 3181 if (!parse_uintx(tail, &conc_threads, 1)) { | |
| 3182 jio_fprintf(defaultStream::error_stream(), | |
| 3183 "Invalid concurrent threads: %s\n", option->optionString); | |
| 3184 return JNI_EINVAL; | |
| 3185 } | |
| 3186 FLAG_SET_CMDLINE(uintx, ConcGCThreads, conc_threads); | |
|
6199
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3187 } else if (match_option(option, "-XX:MaxDirectMemorySize=", &tail)) { |
|
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3188 julong max_direct_memory_size = 0; |
|
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3189 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
|
3190 if (errcode != arg_in_range) { |
|
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3191 jio_fprintf(defaultStream::error_stream(), |
|
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3192 "Invalid maximum direct memory size: %s\n", |
|
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3193 option->optionString); |
|
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3194 describe_range_error(errcode); |
|
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3195 return JNI_EINVAL; |
|
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3196 } |
|
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3197 FLAG_SET_CMDLINE(uintx, MaxDirectMemorySize, max_direct_memory_size); |
|
6878
85916677fc22
7188233: UseVMInterruptibleIO flag deprecate for JDK8
coleenp
parents:
6857
diff
changeset
|
3198 } else if (match_option(option, "-XX:+UseVMInterruptibleIO", &tail)) { |
|
85916677fc22
7188233: UseVMInterruptibleIO flag deprecate for JDK8
coleenp
parents:
6857
diff
changeset
|
3199 // NOTE! In JDK 9, the UseVMInterruptibleIO flag will completely go |
|
85916677fc22
7188233: UseVMInterruptibleIO flag deprecate for JDK8
coleenp
parents:
6857
diff
changeset
|
3200 // away and will cause VM initialization failures! |
|
85916677fc22
7188233: UseVMInterruptibleIO flag deprecate for JDK8
coleenp
parents:
6857
diff
changeset
|
3201 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
|
3202 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
|
3203 #if !INCLUDE_MANAGEMENT |
|
579f6adb7f51
8003539: Minimal VM don't react to -Dcom.sun.management and -XX:+ManagementServer
jprovino
parents:
8002
diff
changeset
|
3204 } 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
|
3205 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
|
3206 "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
|
3207 return JNI_ERR; |
|
8081
579f6adb7f51
8003539: Minimal VM don't react to -Dcom.sun.management and -XX:+ManagementServer
jprovino
parents:
8002
diff
changeset
|
3208 #endif // INCLUDE_MANAGEMENT |
|
1145
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3209 } else if (match_option(option, "-XX:", &tail)) { // -XX:xxxx |
| 0 | 3210 // Skip -XX:Flags= since that case has already been handled |
| 3211 if (strncmp(tail, "Flags=", strlen("Flags=")) != 0) { | |
| 3212 if (!process_argument(tail, args->ignoreUnrecognized, origin)) { | |
| 3213 return JNI_EINVAL; | |
| 3214 } | |
| 3215 } | |
|
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
|
3216 } |
|
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
|
3217 #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
|
3218 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
|
3219 // 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
|
3220 if (PrintVMOptions) { |
|
7125
1baf7f1e3f23
decoupled C++ Graal runtime from C1
Doug Simon <doug.simon@oracle.com>
parents:
7066
diff
changeset
|
3221 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
|
3222 } |
|
2891
75a99b4f1c98
Rebranded C++ part from C1X to Graal.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2873
diff
changeset
|
3223 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
|
3224 |
| 0 | 3225 // 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
|
3226 } |
|
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
|
3227 #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
|
3228 else if (is_bad_option(option, args->ignoreUnrecognized)) { |
| 0 | 3229 return JNI_ERR; |
| 3230 } | |
| 3231 } | |
|
3767
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
3232 |
|
449
171e581e8161
6554406: Change switch UseVMInterruptibleIO default to false (sol)
xlu
parents:
420
diff
changeset
|
3233 // 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
|
3234 // when working with older JDKs. |
|
1679
3d90023429ec
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
1628
diff
changeset
|
3235 #ifdef LINUX |
|
3d90023429ec
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
1628
diff
changeset
|
3236 if (JDK_Version::current().compare_major(6) <= 0 && |
|
3d90023429ec
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
1628
diff
changeset
|
3237 FLAG_IS_DEFAULT(UseLinuxPosixThreadCPUClocks)) { |
|
3d90023429ec
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
1628
diff
changeset
|
3238 FLAG_SET_DEFAULT(UseLinuxPosixThreadCPUClocks, false); |
|
3d90023429ec
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
1628
diff
changeset
|
3239 } |
|
3d90023429ec
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
1628
diff
changeset
|
3240 #endif // LINUX |
| 0 | 3241 return JNI_OK; |
| 3242 } | |
| 3243 | |
| 3244 jint Arguments::finalize_vm_init_args(SysClassPath* scp_p, bool scp_assembly_required) { | |
| 3245 // This must be done after all -D arguments have been processed. | |
| 3246 scp_p->expand_endorsed(); | |
| 3247 | |
| 3248 if (scp_assembly_required || scp_p->get_endorsed() != NULL) { | |
| 3249 // Assemble the bootclasspath elements into the final path. | |
| 3250 Arguments::set_sysclasspath(scp_p->combined_path()); | |
| 3251 } | |
| 3252 | |
| 3253 // This must be done after all arguments have been processed. | |
| 3254 // java_compiler() true means set to "NONE" or empty. | |
| 3255 if (java_compiler() && !xdebug_mode()) { | |
| 3256 // For backwards compatibility, we switch to interpreted mode if | |
| 3257 // -Djava.compiler="NONE" or "" is specified AND "-Xdebug" was | |
| 3258 // not specified. | |
| 3259 set_mode_flags(_int); | |
| 3260 } | |
| 3261 if (CompileThreshold == 0) { | |
| 3262 set_mode_flags(_int); | |
| 3263 } | |
| 3264 | |
|
10292
acac2b03a07f
8014765: VM exits if MaxTenuringThreshold is set below the default InitialTenuringThreshold, and InitialTenuringThreshold is not set
tschatzl
parents:
10287
diff
changeset
|
3265 // 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
|
3266 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
|
3267 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
|
3268 } |
|
acac2b03a07f
8014765: VM exits if MaxTenuringThreshold is set below the default InitialTenuringThreshold, and InitialTenuringThreshold is not set
tschatzl
parents:
10287
diff
changeset
|
3269 |
| 0 | 3270 #ifndef COMPILER2 |
| 3271 // Don't degrade server performance for footprint | |
| 3272 if (FLAG_IS_DEFAULT(UseLargePages) && | |
| 3273 MaxHeapSize < LargePageHeapSizeThreshold) { | |
| 3274 // No need for large granularity pages w/small heaps. | |
| 3275 // Note that large pages are enabled/disabled for both the | |
| 3276 // Java heap and the code cache. | |
| 3277 FLAG_SET_DEFAULT(UseLargePages, false); | |
| 3278 } | |
|
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
3279 |
| 0 | 3280 #else |
| 3281 if (!FLAG_IS_DEFAULT(OptoLoopAlignment) && FLAG_IS_DEFAULT(MaxLoopPad)) { | |
| 3282 FLAG_SET_DEFAULT(MaxLoopPad, OptoLoopAlignment-1); | |
| 3283 } | |
| 3284 #endif | |
| 3285 | |
|
11999
79a5283f4595
8021120: TieredCompilation can be enabled even if TIERED is undefined
iignatyev
parents:
11154
diff
changeset
|
3286 #ifndef TIERED |
|
79a5283f4595
8021120: TieredCompilation can be enabled even if TIERED is undefined
iignatyev
parents:
11154
diff
changeset
|
3287 // Tiered compilation is undefined. |
|
79a5283f4595
8021120: TieredCompilation can be enabled even if TIERED is undefined
iignatyev
parents:
11154
diff
changeset
|
3288 UNSUPPORTED_OPTION(TieredCompilation, "TieredCompilation"); |
|
79a5283f4595
8021120: TieredCompilation can be enabled even if TIERED is undefined
iignatyev
parents:
11154
diff
changeset
|
3289 #endif |
|
79a5283f4595
8021120: TieredCompilation can be enabled even if TIERED is undefined
iignatyev
parents:
11154
diff
changeset
|
3290 |
|
1681
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3291 // 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
|
3292 // to be true unless the property has already been set. |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3293 // 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
|
3294 if (os::is_headless_jre()) { |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3295 const char* headless = Arguments::get_property("java.awt.headless"); |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3296 if (headless == NULL) { |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3297 char envbuffer[128]; |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3298 if (!os::getenv("JAVA_AWT_HEADLESS", envbuffer, sizeof(envbuffer))) { |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3299 if (!add_property("java.awt.headless=true")) { |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3300 return JNI_ENOMEM; |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3301 } |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3302 } else { |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3303 char buffer[256]; |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3304 strcpy(buffer, "java.awt.headless="); |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3305 strcat(buffer, envbuffer); |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3306 if (!add_property(buffer)) { |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3307 return JNI_ENOMEM; |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3308 } |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3309 } |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3310 } |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3311 } |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3312 |
| 0 | 3313 if (!check_vm_args_consistency()) { |
| 3314 return JNI_ERR; | |
| 3315 } | |
| 3316 | |
| 3317 return JNI_OK; | |
| 3318 } | |
| 3319 | |
| 3320 jint Arguments::parse_java_options_environment_variable(SysClassPath* scp_p, bool* scp_assembly_required_p) { | |
| 3321 return parse_options_environment_variable("_JAVA_OPTIONS", scp_p, | |
| 3322 scp_assembly_required_p); | |
| 3323 } | |
| 3324 | |
| 3325 jint Arguments::parse_java_tool_options_environment_variable(SysClassPath* scp_p, bool* scp_assembly_required_p) { | |
| 3326 return parse_options_environment_variable("JAVA_TOOL_OPTIONS", scp_p, | |
| 3327 scp_assembly_required_p); | |
| 3328 } | |
| 3329 | |
| 3330 jint Arguments::parse_options_environment_variable(const char* name, SysClassPath* scp_p, bool* scp_assembly_required_p) { | |
| 3331 const int N_MAX_OPTIONS = 64; | |
| 3332 const int OPTION_BUFFER_SIZE = 1024; | |
| 3333 char buffer[OPTION_BUFFER_SIZE]; | |
| 3334 | |
| 3335 // The variable will be ignored if it exceeds the length of the buffer. | |
| 3336 // Don't check this variable if user has special privileges | |
| 3337 // (e.g. unix su command). | |
| 3338 if (os::getenv(name, buffer, sizeof(buffer)) && | |
| 3339 !os::have_special_privileges()) { | |
| 3340 JavaVMOption options[N_MAX_OPTIONS]; // Construct option array | |
| 3341 jio_fprintf(defaultStream::error_stream(), | |
| 3342 "Picked up %s: %s\n", name, buffer); | |
| 3343 char* rd = buffer; // pointer to the input string (rd) | |
| 3344 int i; | |
| 3345 for (i = 0; i < N_MAX_OPTIONS;) { // repeat for all options in the input string | |
| 3346 while (isspace(*rd)) rd++; // skip whitespace | |
| 3347 if (*rd == 0) break; // we re done when the input string is read completely | |
| 3348 | |
| 3349 // The output, option string, overwrites the input string. | |
| 3350 // Because of quoting, the pointer to the option string (wrt) may lag the pointer to | |
| 3351 // input string (rd). | |
| 3352 char* wrt = rd; | |
| 3353 | |
| 3354 options[i++].optionString = wrt; // Fill in option | |
| 3355 while (*rd != 0 && !isspace(*rd)) { // unquoted strings terminate with a space or NULL | |
| 3356 if (*rd == '\'' || *rd == '"') { // handle a quoted string | |
| 3357 int quote = *rd; // matching quote to look for | |
| 3358 rd++; // don't copy open quote | |
| 3359 while (*rd != quote) { // include everything (even spaces) up until quote | |
| 3360 if (*rd == 0) { // string termination means unmatched string | |
| 3361 jio_fprintf(defaultStream::error_stream(), | |
| 3362 "Unmatched quote in %s\n", name); | |
| 3363 return JNI_ERR; | |
| 3364 } | |
| 3365 *wrt++ = *rd++; // copy to option string | |
| 3366 } | |
| 3367 rd++; // don't copy close quote | |
| 3368 } else { | |
| 3369 *wrt++ = *rd++; // copy to option string | |
| 3370 } | |
| 3371 } | |
| 3372 // Need to check if we're done before writing a NULL, | |
| 3373 // because the write could be to the byte that rd is pointing to. | |
| 3374 if (*rd++ == 0) { | |
| 3375 *wrt = 0; | |
| 3376 break; | |
| 3377 } | |
| 3378 *wrt = 0; // Zero terminate option | |
| 3379 } | |
| 3380 // Construct JavaVMInitArgs structure and parse as if it was part of the command line | |
| 3381 JavaVMInitArgs vm_args; | |
| 3382 vm_args.version = JNI_VERSION_1_2; | |
| 3383 vm_args.options = options; | |
| 3384 vm_args.nOptions = i; | |
| 564 | 3385 vm_args.ignoreUnrecognized = IgnoreUnrecognizedVMOptions; |
| 0 | 3386 |
| 3387 if (PrintVMOptions) { | |
| 3388 const char* tail; | |
| 3389 for (int i = 0; i < vm_args.nOptions; i++) { | |
| 3390 const JavaVMOption *option = vm_args.options + i; | |
| 3391 if (match_option(option, "-XX:", &tail)) { | |
| 3392 logOption(tail); | |
| 3393 } | |
| 3394 } | |
| 3395 } | |
| 3396 | |
|
12322
72b7e96c1922
8024545: make develop and notproduct flag values available in product builds
twisti
parents:
12269
diff
changeset
|
3397 return(parse_each_vm_init_arg(&vm_args, scp_p, scp_assembly_required_p, Flag::ENVIRON_VAR)); |
| 0 | 3398 } |
| 3399 return JNI_OK; | |
| 3400 } | |
| 3401 | |
|
2362
a2c2eac1ca62
7018056: large pages not always enabled by default
jcoomes
parents:
2302
diff
changeset
|
3402 void Arguments::set_shared_spaces_flags() { |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3403 if (DumpSharedSpaces) { |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3404 if (RequireSharedSpaces) { |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3405 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
|
3406 } |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3407 UseSharedSpaces = false; |
|
12056
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
3408 #ifdef _LP64 |
|
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
3409 if (!UseCompressedOops || !UseCompressedClassPointers) { |
|
12056
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
3410 vm_exit_during_initialization( |
|
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
3411 "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
|
3412 } |
|
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
3413 } else { |
|
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
3414 // UseCompressedOops and UseCompressedClassPointers must be on for UseSharedSpaces. |
|
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
3415 if (!UseCompressedOops || !UseCompressedClassPointers) { |
|
12056
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
3416 no_shared_spaces(); |
|
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
3417 } |
|
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
3418 #endif |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3419 } |
|
2362
a2c2eac1ca62
7018056: large pages not always enabled by default
jcoomes
parents:
2302
diff
changeset
|
3420 } |
|
1891
9de67bf4244d
6996136: VM crash in src/share/vm/runtime/virtualspace.cpp:424
iveresov
parents:
1890
diff
changeset
|
3421 |
|
9060
cc32ccaaf47f
8003310: Enable -Wunused-function when compiling with gcc
mikael
parents:
8847
diff
changeset
|
3422 #if !INCLUDE_ALL_GCS |
|
8086
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3423 static void force_serial_gc() { |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3424 FLAG_SET_DEFAULT(UseSerialGC, true); |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3425 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
|
3426 UNSUPPORTED_GC_OPTION(UseG1GC); |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3427 UNSUPPORTED_GC_OPTION(UseParallelGC); |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3428 UNSUPPORTED_GC_OPTION(UseParallelOldGC); |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3429 UNSUPPORTED_GC_OPTION(UseConcMarkSweepGC); |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3430 UNSUPPORTED_GC_OPTION(UseParNewGC); |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3431 } |
|
9060
cc32ccaaf47f
8003310: Enable -Wunused-function when compiling with gcc
mikael
parents:
8847
diff
changeset
|
3432 #endif // INCLUDE_ALL_GCS |
|
8086
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3433 |
|
10270
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3434 // Sharing support |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3435 // Construct the path to the archive |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3436 static char* get_shared_archive_path() { |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3437 char *shared_archive_path; |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3438 if (SharedArchiveFile == NULL) { |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3439 char jvm_path[JVM_MAXPATHLEN]; |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3440 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
|
3441 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
|
3442 if (end != NULL) *end = '\0'; |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3443 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
|
3444 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
|
3445 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
|
3446 file_sep_len + 20, mtInternal); |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3447 if (shared_archive_path != NULL) { |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3448 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
|
3449 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
|
3450 strncat(shared_archive_path, "classes.jsa", 11); |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3451 } |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3452 } else { |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3453 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
|
3454 if (shared_archive_path != NULL) { |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3455 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
|
3456 } |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3457 } |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3458 return shared_archive_path; |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3459 } |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3460 |
|
12257
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3461 #ifndef PRODUCT |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3462 // 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
|
3463 static bool use_vm_log() { |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3464 if (LogCompilation || !FLAG_IS_DEFAULT(LogFile) || |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3465 PrintCompilation || PrintInlining || PrintDependencies || PrintNativeNMethods || |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3466 PrintDebugInfo || PrintRelocations || PrintNMethods || PrintExceptionHandlers || |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3467 PrintAssembly || TraceDeoptimization || TraceDependencies || |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3468 (VerifyDependencies && FLAG_IS_CMDLINE(VerifyDependencies))) { |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3469 return true; |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3470 } |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3471 |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3472 #ifdef COMPILER1 |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3473 if (PrintC1Statistics) { |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3474 return true; |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3475 } |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3476 #endif // COMPILER1 |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3477 |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3478 #ifdef COMPILER2 |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3479 if (PrintOptoAssembly || PrintOptoStatistics) { |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3480 return true; |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3481 } |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3482 #endif // COMPILER2 |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3483 |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3484 return false; |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3485 } |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3486 #endif // PRODUCT |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3487 |
| 0 | 3488 // Parse entry point called from JNI_CreateJavaVM |
| 3489 | |
| 3490 jint Arguments::parse(const JavaVMInitArgs* args) { | |
| 3491 | |
| 3492 // Remaining part of option string | |
| 3493 const char* tail; | |
| 3494 | |
| 3495 // 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
|
3496 const char* hotspotrc = ".hotspotrc"; |
| 0 | 3497 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
|
3498 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
|
3499 |
| 564 | 3500 const char* flags_file; |
| 0 | 3501 int index; |
| 3502 for (index = 0; index < args->nOptions; index++) { | |
| 3503 const JavaVMOption *option = args->options + index; | |
| 3504 if (match_option(option, "-XX:Flags=", &tail)) { | |
| 564 | 3505 flags_file = tail; |
| 0 | 3506 settings_file_specified = true; |
| 3507 } | |
| 3508 if (match_option(option, "-XX:+PrintVMOptions", &tail)) { | |
| 3509 PrintVMOptions = true; | |
| 3510 } | |
|
253
b0fe4deeb9fb
6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.")
kvn
parents:
196
diff
changeset
|
3511 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
|
3512 PrintVMOptions = false; |
|
b0fe4deeb9fb
6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.")
kvn
parents:
196
diff
changeset
|
3513 } |
| 564 | 3514 if (match_option(option, "-XX:+IgnoreUnrecognizedVMOptions", &tail)) { |
| 3515 IgnoreUnrecognizedVMOptions = true; | |
| 3516 } | |
| 3517 if (match_option(option, "-XX:-IgnoreUnrecognizedVMOptions", &tail)) { | |
| 3518 IgnoreUnrecognizedVMOptions = false; | |
| 3519 } | |
| 1150 | 3520 if (match_option(option, "-XX:+PrintFlagsInitial", &tail)) { |
| 4773 | 3521 CommandLineFlags::printFlags(tty, false); |
| 1150 | 3522 vm_exit(0); |
| 3523 } | |
| 6197 | 3524 if (match_option(option, "-XX:NativeMemoryTracking", &tail)) { |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3525 #if INCLUDE_NMT |
| 6197 | 3526 MemTracker::init_tracking_options(tail); |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3527 #else |
|
8720
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
3528 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
|
3529 "Native Memory Tracking 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
|
3530 return JNI_ERR; |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3531 #endif |
| 6197 | 3532 } |
| 3533 | |
|
1768
6ee479178066
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
1745
diff
changeset
|
3534 |
|
6ee479178066
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
1745
diff
changeset
|
3535 #ifndef PRODUCT |
|
6ee479178066
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
1745
diff
changeset
|
3536 if (match_option(option, "-XX:+PrintFlagsWithComments", &tail)) { |
| 4773 | 3537 CommandLineFlags::printFlags(tty, true); |
|
1768
6ee479178066
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
1745
diff
changeset
|
3538 vm_exit(0); |
|
6ee479178066
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
1745
diff
changeset
|
3539 } |
|
6ee479178066
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
1745
diff
changeset
|
3540 #endif |
| 564 | 3541 } |
| 3542 | |
| 3543 if (IgnoreUnrecognizedVMOptions) { | |
| 3544 // uncast const to modify the flag args->ignoreUnrecognized | |
| 3545 *(jboolean*)(&args->ignoreUnrecognized) = true; | |
| 3546 } | |
| 3547 | |
| 3548 // Parse specified settings file | |
| 3549 if (settings_file_specified) { | |
| 3550 if (!process_settings_file(flags_file, true, args->ignoreUnrecognized)) { | |
| 3551 return JNI_EINVAL; | |
| 3552 } | |
|
6196
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3553 } else { |
|
6150
1e76463170b3
7110720: Issue with vm config file loadingIssue with vm config file loading
kamg
parents:
4780
diff
changeset
|
3554 #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
|
3555 // Parse default .hotspotrc settings file |
| 0 | 3556 if (!process_settings_file(".hotspotrc", false, args->ignoreUnrecognized)) { |
| 3557 return JNI_EINVAL; | |
| 3558 } | |
|
6196
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3559 #else |
|
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3560 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
|
3561 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
|
3562 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
|
3563 } |
|
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3564 #endif |
| 0 | 3565 } |
| 3566 | |
| 3567 if (PrintVMOptions) { | |
| 3568 for (index = 0; index < args->nOptions; index++) { | |
| 3569 const JavaVMOption *option = args->options + index; | |
| 3570 if (match_option(option, "-XX:", &tail)) { | |
| 3571 logOption(tail); | |
| 3572 } | |
| 3573 } | |
| 3574 } | |
| 3575 | |
| 3576 // Parse JavaVMInitArgs structure passed in, as well as JAVA_TOOL_OPTIONS and _JAVA_OPTIONS | |
| 3577 jint result = parse_vm_init_args(args); | |
| 3578 if (result != JNI_OK) { | |
| 3579 return result; | |
| 3580 } | |
| 3581 | |
|
10270
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3582 // 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
|
3583 SharedArchivePath = get_shared_archive_path(); |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3584 if (SharedArchivePath == NULL) { |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3585 return JNI_ENOMEM; |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3586 } |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3587 |
|
6196
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3588 // 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
|
3589 // 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
|
3590 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
|
3591 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
|
3592 "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
|
3593 hotspotrc, hotspotrc); |
|
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3594 } |
|
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3595 |
|
6917
e81fbc04a942
7191817: -XX:+UseSerialGC -XX:+UseLargePages crashes with SIGFPE on MacOS X
coleenp
parents:
6916
diff
changeset
|
3596 #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
|
3597 UNSUPPORTED_OPTION(UseLargePages, "-XX:+UseLargePages"); |
|
e81fbc04a942
7191817: -XX:+UseSerialGC -XX:+UseLargePages crashes with SIGFPE on MacOS X
coleenp
parents:
6916
diff
changeset
|
3598 #endif |
|
e81fbc04a942
7191817: -XX:+UseSerialGC -XX:+UseLargePages crashes with SIGFPE on MacOS X
coleenp
parents:
6916
diff
changeset
|
3599 |
|
8086
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3600 #if INCLUDE_ALL_GCS |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3601 #if (defined JAVASE_EMBEDDED || defined ARM) |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3602 UNSUPPORTED_OPTION(UseG1GC, "G1 GC"); |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3603 #endif |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3604 #endif |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3605 |
| 0 | 3606 #ifndef PRODUCT |
| 3607 if (TraceBytecodesAt != 0) { | |
| 3608 TraceBytecodes = true; | |
| 3609 } | |
| 3610 if (CountCompiledCalls) { | |
| 3611 if (UseCounterDecay) { | |
| 3612 warning("UseCounterDecay disabled because CountCalls is set"); | |
| 3613 UseCounterDecay = false; | |
| 3614 } | |
| 3615 } | |
| 3616 #endif // PRODUCT | |
| 3617 | |
|
2416
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3618 // 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
|
3619 if (!JDK_Version::is_gte_jdk17x_version()) { |
|
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3620 if (EnableInvokeDynamic) { |
|
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3621 if (!FLAG_IS_DEFAULT(EnableInvokeDynamic)) { |
|
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3622 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
|
3623 } |
|
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3624 EnableInvokeDynamic = false; |
| 710 | 3625 } |
| 3626 } | |
|
2416
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3627 |
|
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3628 if (EnableInvokeDynamic && ScavengeRootsInCode == 0) { |
|
989
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
932
diff
changeset
|
3629 if (!FLAG_IS_DEFAULT(ScavengeRootsInCode)) { |
|
2416
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3630 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
|
3631 } |
|
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
932
diff
changeset
|
3632 ScavengeRootsInCode = 1; |
|
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
932
diff
changeset
|
3633 } |
| 710 | 3634 |
| 0 | 3635 if (PrintGCDetails) { |
| 3636 // Turn on -verbose:gc options as well | |
| 3637 PrintGC = true; | |
| 3638 } | |
| 3639 | |
|
6064
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
3640 if (!JDK_Version::is_gte_jdk18x_version()) { |
|
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
3641 // 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
|
3642 // true by default in JDK8 and above. |
|
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
3643 if (FLAG_IS_DEFAULT(PrintGCCause)) { |
|
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
3644 FLAG_SET_DEFAULT(PrintGCCause, false); |
|
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
3645 } |
|
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
3646 } |
|
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
3647 |
|
1571
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
3648 // 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
|
3649 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
|
3650 |
|
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
3651 #if !INCLUDE_ALL_GCS |
| 1064 | 3652 force_serial_gc(); |
|
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
3653 #endif // INCLUDE_ALL_GCS |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3654 #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
|
3655 if (DumpSharedSpaces || RequireSharedSpaces) { |
|
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
3656 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
|
3657 "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
|
3658 return JNI_ERR; |
|
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
3659 } |
|
8724
69ffa4ac9e53
8009835: Only produce a warning when -Xshare:auto is explicitly requested
jprovino
parents:
8720
diff
changeset
|
3660 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
|
3661 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
|
3662 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
|
3663 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
|
3664 } |
| 0 | 3665 no_shared_spaces(); |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3666 #endif // INCLUDE_CDS |
| 0 | 3667 |
|
12233
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
3668 return JNI_OK; |
|
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
3669 } |
|
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
3670 |
|
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
3671 jint Arguments::apply_ergo() { |
|
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
3672 |
| 0 | 3673 // Set flags based on ergonomics. |
| 3674 set_ergonomics_flags(); | |
| 3675 | |
|
2362
a2c2eac1ca62
7018056: large pages not always enabled by default
jcoomes
parents:
2302
diff
changeset
|
3676 set_shared_spaces_flags(); |
|
1135
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1131
diff
changeset
|
3677 |
|
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
3678 // Check the GC selections again. |
|
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
3679 if (!check_gc_consistency()) { |
|
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
3680 return JNI_EINVAL; |
|
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
3681 } |
|
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
3682 |
| 1783 | 3683 if (TieredCompilation) { |
| 3684 set_tiered_flags(); | |
| 3685 } else { | |
| 3686 // Check if the policy is valid. Policies 0 and 1 are valid for non-tiered setup. | |
| 3687 if (CompilationPolicyChoice >= 2) { | |
| 3688 vm_exit_during_initialization( | |
| 3689 "Incompatible compilation policy selected", NULL); | |
| 3690 } | |
| 3691 } | |
|
13074
78da3894b86f
8027593: performance drop with constrained codecache starting with hs25 b111
anoll
parents:
13008
diff
changeset
|
3692 // 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
|
3693 if (FLAG_IS_DEFAULT(NmethodSweepFraction)) { |
|
78da3894b86f
8027593: performance drop with constrained codecache starting with hs25 b111
anoll
parents:
13008
diff
changeset
|
3694 FLAG_SET_DEFAULT(NmethodSweepFraction, 1 + ReservedCodeCacheSize / (16 * M)); |
|
78da3894b86f
8027593: performance drop with constrained codecache starting with hs25 b111
anoll
parents:
13008
diff
changeset
|
3695 } |
|
78da3894b86f
8027593: performance drop with constrained codecache starting with hs25 b111
anoll
parents:
13008
diff
changeset
|
3696 |
| 1783 | 3697 |
|
2368
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
3698 // Set heap size based on available physical memory |
|
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
3699 set_heap_size(); |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3700 |
|
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
3701 #if INCLUDE_ALL_GCS |
|
2368
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
3702 // Set per-collector flags |
|
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
3703 if (UseParallelGC || UseParallelOldGC) { |
|
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
3704 set_parallel_gc_flags(); |
| 14909 | 3705 } else if (UseConcMarkSweepGC) { // should be done before ParNew check below |
|
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
3706 set_cms_and_parnew_gc_flags(); |
| 14909 | 3707 } else if (UseParNewGC) { // skipped if CMS is set above |
|
2368
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
3708 set_parnew_gc_flags(); |
|
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
3709 } else if (UseG1GC) { |
|
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
3710 set_g1_gc_flags(); |
|
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
3711 } |
|
7452
e0ab18eafbde
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
7451
diff
changeset
|
3712 check_deprecated_gcs(); |
| 8734 | 3713 check_deprecated_gc_flags(); |
|
8845
1b90c7607451
2178143: JVM crashes if the number of bound CPUs changed during runtime
minqi
parents:
8819
diff
changeset
|
3714 if (AssumeMP && !UseSerialGC) { |
|
1b90c7607451
2178143: JVM crashes if the number of bound CPUs changed during runtime
minqi
parents:
8819
diff
changeset
|
3715 if (FLAG_IS_DEFAULT(ParallelGCThreads) && ParallelGCThreads == 1) { |
|
1b90c7607451
2178143: JVM crashes if the number of bound CPUs changed during runtime
minqi
parents:
8819
diff
changeset
|
3716 warning("If the number of processors is expected to increase from one, then" |
|
1b90c7607451
2178143: JVM crashes if the number of bound CPUs changed during runtime
minqi
parents:
8819
diff
changeset
|
3717 " you should configure the number of parallel GC threads appropriately" |
|
1b90c7607451
2178143: JVM crashes if the number of bound CPUs changed during runtime
minqi
parents:
8819
diff
changeset
|
3718 " using -XX:ParallelGCThreads=N"); |
|
1b90c7607451
2178143: JVM crashes if the number of bound CPUs changed during runtime
minqi
parents:
8819
diff
changeset
|
3719 } |
|
1b90c7607451
2178143: JVM crashes if the number of bound CPUs changed during runtime
minqi
parents:
8819
diff
changeset
|
3720 } |
|
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
3721 #else // INCLUDE_ALL_GCS |
| 0 | 3722 assert(verify_serial_gc_flags(), "SerialGC unset"); |
|
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
3723 #endif // INCLUDE_ALL_GCS |
| 0 | 3724 |
| 14909 | 3725 // Initialize Metaspace flags and alignments. |
|
12838
85c1ca43713f
8024547: MaxMetaspaceSize should limit the committed memory used by the metaspaces
stefank
parents:
12831
diff
changeset
|
3726 Metaspace::ergo_initialize(); |
|
85c1ca43713f
8024547: MaxMetaspaceSize should limit the committed memory used by the metaspaces
stefank
parents:
12831
diff
changeset
|
3727 |
| 0 | 3728 // Set bytecode rewriting flags |
| 3729 set_bytecode_flags(); | |
| 3730 | |
| 14909 | 3731 // Set flags if Aggressive optimization flags (-XX:+AggressiveOpts) enabled. |
| 0 | 3732 set_aggressive_opts_flags(); |
| 3733 | |
|
2239
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3734 // Turn off biased locking for locking debug mode flags, |
| 14909 | 3735 // which are subtlely different from each other but neither works with |
| 3736 // biased locking. | |
| 2331 | 3737 if (UseHeavyMonitors |
| 3738 #ifdef COMPILER1 | |
| 3739 || !UseFastLocking | |
| 3740 #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
|
3741 #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
|
3742 || !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
|
3743 #endif // GRAAL |
| 2331 | 3744 ) { |
|
2239
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3745 if (!FLAG_IS_DEFAULT(UseBiasedLocking) && UseBiasedLocking) { |
|
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3746 // 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
|
3747 // can't enable biased locking here |
|
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3748 warning("Biased Locking is not supported with locking debug flags" |
|
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3749 "; ignoring UseBiasedLocking flag." ); |
|
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3750 } |
|
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3751 UseBiasedLocking = false; |
|
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3752 } |
|
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3753 |
| 14909 | 3754 #ifdef CC_INTERP |
| 3755 // Clear flags not supported by the C++ interpreter | |
| 1131 | 3756 FLAG_SET_DEFAULT(ProfileInterpreter, false); |
| 0 | 3757 FLAG_SET_DEFAULT(UseBiasedLocking, false); |
| 1131 | 3758 LP64_ONLY(FLAG_SET_DEFAULT(UseCompressedOops, false)); |
|
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
3759 LP64_ONLY(FLAG_SET_DEFAULT(UseCompressedClassPointers, false)); |
| 1131 | 3760 #endif // CC_INTERP |
| 3761 | |
|
420
a1980da045cc
6462850: generate biased locking code in C2 ideal graph
kvn
parents:
416
diff
changeset
|
3762 #ifdef COMPILER2 |
|
a1980da045cc
6462850: generate biased locking code in C2 ideal graph
kvn
parents:
416
diff
changeset
|
3763 if (!UseBiasedLocking || EmitSync != 0) { |
|
a1980da045cc
6462850: generate biased locking code in C2 ideal graph
kvn
parents:
416
diff
changeset
|
3764 UseOptoBiasInlining = false; |
|
a1980da045cc
6462850: generate biased locking code in C2 ideal graph
kvn
parents:
416
diff
changeset
|
3765 } |
| 4777 | 3766 if (!EliminateLocks) { |
| 3767 EliminateNestedLocks = false; | |
| 3768 } | |
| 7473 | 3769 if (!Inline) { |
| 3770 IncrementalInline = false; | |
| 3771 } | |
| 3772 #ifndef PRODUCT | |
| 3773 if (!IncrementalInline) { | |
| 3774 AlwaysIncrementalInline = false; | |
| 3775 } | |
| 3776 #endif | |
| 3777 if (IncrementalInline && FLAG_IS_DEFAULT(MaxNodeLimit)) { | |
| 3778 // incremental inlining: bump MaxNodeLimit | |
| 3779 FLAG_SET_DEFAULT(MaxNodeLimit, (intx)75000); | |
| 3780 } | |
| 12966 | 3781 if (!UseTypeSpeculation && FLAG_IS_DEFAULT(TypeProfileLevel)) { |
| 3782 // nothing to use the profiling, turn if off | |
| 3783 FLAG_SET_DEFAULT(TypeProfileLevel, 0); | |
| 3784 } | |
| 3785 if (UseTypeSpeculation && FLAG_IS_DEFAULT(ReplaceInParentMaps)) { | |
| 3786 // Doing the replace in parent maps helps speculation | |
| 3787 FLAG_SET_DEFAULT(ReplaceInParentMaps, true); | |
| 3788 } | |
| 14909 | 3789 #ifndef X86 |
| 3790 // Only on x86 for now | |
| 3791 FLAG_SET_DEFAULT(TypeProfileLevel, 0); | |
| 3792 #endif | |
|
420
a1980da045cc
6462850: generate biased locking code in C2 ideal graph
kvn
parents:
416
diff
changeset
|
3793 #endif |
|
a1980da045cc
6462850: generate biased locking code in C2 ideal graph
kvn
parents:
416
diff
changeset
|
3794 |
|
1155
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1150
diff
changeset
|
3795 if (PrintAssembly && FLAG_IS_DEFAULT(DebugNonSafepoints)) { |
|
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1150
diff
changeset
|
3796 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
|
3797 DebugNonSafepoints = true; |
|
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1150
diff
changeset
|
3798 } |
|
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1150
diff
changeset
|
3799 |
|
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
3800 if (FLAG_IS_CMDLINE(CompressedClassSpaceSize) && !UseCompressedClassPointers) { |
|
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
3801 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
|
3802 } |
|
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
3803 |
|
1188
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
3804 #ifndef PRODUCT |
|
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
3805 if (CompileTheWorld) { |
|
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
3806 // 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
|
3807 if (FLAG_IS_DEFAULT(NmethodSweepFraction)) { |
|
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
3808 NmethodSweepFraction = 1; |
|
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
3809 } |
|
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
3810 } |
|
12257
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3811 |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3812 if (!LogVMOutput && FLAG_IS_DEFAULT(LogVMOutput)) { |
|
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|
3813 if (use_vm_log()) { |
|
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|
3814 LogVMOutput = true; |
|
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|
3815 } |
|
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|
3816 } |
|
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|
3817 #endif // PRODUCT |
|
1188
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|
3818 |
| 0 | 3819 if (PrintCommandLineFlags) { |
| 4773 | 3820 CommandLineFlags::printSetFlags(tty); |
| 0 | 3821 } |
| 3822 | |
|
1681
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|
3823 // Apply CPU specific policy for the BiasedLocking |
|
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|
3824 if (UseBiasedLocking) { |
|
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|
3825 if (!VM_Version::use_biased_locking() && |
|
126ea7725993
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|
3826 !(FLAG_IS_CMDLINE(UseBiasedLocking))) { |
|
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|
3827 UseBiasedLocking = false; |
|
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|
3828 } |
|
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|
3829 } |
|
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|
3830 |
| 14909 | 3831 // set PauseAtExit if the gamma launcher was used and a debugger is attached |
| 3832 // but only if not already set on the commandline | |
| 3833 if (Arguments::created_by_gamma_launcher() && os::is_debugger_attached()) { | |
| 3834 bool set = false; | |
| 3835 CommandLineFlags::wasSetOnCmdline("PauseAtExit", &set); | |
| 3836 if (!set) { | |
| 3837 FLAG_SET_DEFAULT(PauseAtExit, true); | |
| 3838 } | |
| 3839 } | |
| 3840 | |
| 0 | 3841 return JNI_OK; |
| 3842 } | |
| 3843 | |
|
7177
53715fb1597d
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diff
changeset
|
3844 jint Arguments::adjust_after_os() { |
| 14909 | 3845 #if INCLUDE_ALL_GCS |
| 3846 if (UseParallelGC || UseParallelOldGC) { | |
| 3847 if (UseNUMA) { | |
|
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|
3848 if (FLAG_IS_DEFAULT(MinHeapDeltaBytes)) { |
| 14909 | 3849 FLAG_SET_DEFAULT(MinHeapDeltaBytes, 64*M); |
|
7177
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|
3850 } |
| 14909 | 3851 // For those collectors or operating systems (eg, Windows) that do |
| 3852 // not support full UseNUMA, we will map to UseNUMAInterleaving for now | |
| 3853 UseNUMAInterleaving = true; | |
|
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|
3854 } |
|
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|
3855 } |
| 14909 | 3856 #endif // INCLUDE_ALL_GCS |
|
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|
3857 return JNI_OK; |
|
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|
3858 } |
|
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|
3859 |
| 0 | 3860 int Arguments::PropertyList_count(SystemProperty* pl) { |
| 3861 int count = 0; | |
| 3862 while(pl != NULL) { | |
| 3863 count++; | |
| 3864 pl = pl->next(); | |
| 3865 } | |
| 3866 return count; | |
| 3867 } | |
| 3868 | |
| 3869 const char* Arguments::PropertyList_get_value(SystemProperty *pl, const char* key) { | |
| 3870 assert(key != NULL, "just checking"); | |
| 3871 SystemProperty* prop; | |
| 3872 for (prop = pl; prop != NULL; prop = prop->next()) { | |
| 3873 if (strcmp(key, prop->key()) == 0) return prop->value(); | |
| 3874 } | |
| 3875 return NULL; | |
| 3876 } | |
| 3877 | |
| 3878 const char* Arguments::PropertyList_get_key_at(SystemProperty *pl, int index) { | |
| 3879 int count = 0; | |
| 3880 const char* ret_val = NULL; | |
| 3881 | |
| 3882 while(pl != NULL) { | |
| 3883 if(count >= index) { | |
| 3884 ret_val = pl->key(); | |
| 3885 break; | |
| 3886 } | |
| 3887 count++; | |
| 3888 pl = pl->next(); | |
| 3889 } | |
| 3890 | |
| 3891 return ret_val; | |
| 3892 } | |
| 3893 | |
| 3894 char* Arguments::PropertyList_get_value_at(SystemProperty* pl, int index) { | |
| 3895 int count = 0; | |
| 3896 char* ret_val = NULL; | |
| 3897 | |
| 3898 while(pl != NULL) { | |
| 3899 if(count >= index) { | |
| 3900 ret_val = pl->value(); | |
| 3901 break; | |
| 3902 } | |
| 3903 count++; | |
| 3904 pl = pl->next(); | |
| 3905 } | |
| 3906 | |
| 3907 return ret_val; | |
| 3908 } | |
| 3909 | |
| 3910 void Arguments::PropertyList_add(SystemProperty** plist, SystemProperty *new_p) { | |
| 3911 SystemProperty* p = *plist; | |
| 3912 if (p == NULL) { | |
| 3913 *plist = new_p; | |
| 3914 } else { | |
| 3915 while (p->next() != NULL) { | |
| 3916 p = p->next(); | |
| 3917 } | |
| 3918 p->set_next(new_p); | |
| 3919 } | |
| 3920 } | |
| 3921 | |
| 3922 void Arguments::PropertyList_add(SystemProperty** plist, const char* k, char* v) { | |
| 3923 if (plist == NULL) | |
| 3924 return; | |
| 3925 | |
| 3926 SystemProperty* new_p = new SystemProperty(k, v, true); | |
| 3927 PropertyList_add(plist, new_p); | |
| 3928 } | |
| 3929 | |
| 3930 // This add maintains unique property key in the list. | |
| 691 | 3931 void Arguments::PropertyList_unique_add(SystemProperty** plist, const char* k, char* v, jboolean append) { |
| 0 | 3932 if (plist == NULL) |
| 3933 return; | |
| 3934 | |
| 3935 // If property key exist then update with new value. | |
| 3936 SystemProperty* prop; | |
| 3937 for (prop = *plist; prop != NULL; prop = prop->next()) { | |
| 3938 if (strcmp(k, prop->key()) == 0) { | |
| 691 | 3939 if (append) { |
| 3940 prop->append_value(v); | |
| 3941 } else { | |
| 3942 prop->set_value(v); | |
| 3943 } | |
| 0 | 3944 return; |
| 3945 } | |
| 3946 } | |
| 3947 | |
| 3948 PropertyList_add(plist, k, v); | |
| 3949 } | |
| 3950 | |
| 3951 // Copies src into buf, replacing "%%" with "%" and "%p" with pid | |
| 3952 // Returns true if all of the source pointed by src has been copied over to | |
| 3953 // the destination buffer pointed by buf. Otherwise, returns false. | |
| 3954 // Notes: | |
| 3955 // 1. If the length (buflen) of the destination buffer excluding the | |
| 3956 // NULL terminator character is not long enough for holding the expanded | |
| 3957 // pid characters, it also returns false instead of returning the partially | |
| 3958 // expanded one. | |
| 3959 // 2. The passed in "buflen" should be large enough to hold the null terminator. | |
| 3960 bool Arguments::copy_expand_pid(const char* src, size_t srclen, | |
| 3961 char* buf, size_t buflen) { | |
| 3962 const char* p = src; | |
| 3963 char* b = buf; | |
| 3964 const char* src_end = &src[srclen]; | |
| 3965 char* buf_end = &buf[buflen - 1]; | |
| 3966 | |
| 3967 while (p < src_end && b < buf_end) { | |
| 3968 if (*p == '%') { | |
| 3969 switch (*(++p)) { | |
| 3970 case '%': // "%%" ==> "%" | |
| 3971 *b++ = *p++; | |
| 3972 break; | |
| 3973 case 'p': { // "%p" ==> current process id | |
| 3974 // buf_end points to the character before the last character so | |
| 3975 // that we could write '\0' to the end of the buffer. | |
| 3976 size_t buf_sz = buf_end - b + 1; | |
| 3977 int ret = jio_snprintf(b, buf_sz, "%d", os::current_process_id()); | |
| 3978 | |
| 3979 // if jio_snprintf fails or the buffer is not long enough to hold | |
| 3980 // the expanded pid, returns false. | |
| 3981 if (ret < 0 || ret >= (int)buf_sz) { | |
| 3982 return false; | |
| 3983 } else { | |
| 3984 b += ret; | |
| 3985 assert(*b == '\0', "fail in copy_expand_pid"); | |
| 3986 if (p == src_end && b == buf_end + 1) { | |
| 3987 // reach the end of the buffer. | |
| 3988 return true; | |
| 3989 } | |
| 3990 } | |
| 3991 p++; | |
| 3992 break; | |
| 3993 } | |
| 3994 default : | |
| 3995 *b++ = '%'; | |
| 3996 } | |
| 3997 } else { | |
| 3998 *b++ = *p++; | |
| 3999 } | |
| 4000 } | |
| 4001 *b = '\0'; | |
| 4002 return (p == src_end); // return false if not all of the source was copied | |
| 4003 } |