Mercurial > hg > truffle
annotate src/share/vm/runtime/arguments.cpp @ 20375:6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
Summary: Cleaned up CDS to be more configurable, maintainable and extensible
Reviewed-by: dholmes, coleenp, acorn, mchung
| author | iklam |
|---|---|
| date | Thu, 21 Aug 2014 13:57:51 -0700 |
| parents | 833b0f92429a |
| children | 7430aa5718a5 |
| rev | line source |
|---|---|
| 0 | 1 /* |
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2 * Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved. |
| 0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 * | |
| 5 * This code is free software; you can redistribute it and/or modify it | |
| 6 * under the terms of the GNU General Public License version 2 only, as | |
| 7 * published by the Free Software Foundation. | |
| 8 * | |
| 9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 12 * version 2 for more details (a copy is included in the LICENSE file that | |
| 13 * accompanied this code). | |
| 14 * | |
| 15 * You should have received a copy of the GNU General Public License version | |
| 16 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 18 * | |
|
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 1972 | 25 #include "precompiled.hpp" |
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26 #include "classfile/classLoader.hpp" |
| 1972 | 27 #include "classfile/javaAssertions.hpp" |
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28 #include "classfile/symbolTable.hpp" |
| 1972 | 29 #include "compiler/compilerOracle.hpp" |
| 30 #include "memory/allocation.inline.hpp" | |
| 31 #include "memory/cardTableRS.hpp" | |
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32 #include "memory/genCollectedHeap.hpp" |
| 1972 | 33 #include "memory/referenceProcessor.hpp" |
| 34 #include "memory/universe.inline.hpp" | |
| 35 #include "oops/oop.inline.hpp" | |
| 36 #include "prims/jvmtiExport.hpp" | |
| 37 #include "runtime/arguments.hpp" | |
| 38 #include "runtime/globals_extension.hpp" | |
| 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" |
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44 #include "utilities/stringUtils.hpp" |
| 1972 | 45 #include "utilities/taskqueue.hpp" |
| 46 #ifdef TARGET_OS_FAMILY_linux | |
| 47 # include "os_linux.inline.hpp" | |
| 48 #endif | |
| 49 #ifdef TARGET_OS_FAMILY_solaris | |
| 50 # include "os_solaris.inline.hpp" | |
| 51 #endif | |
| 52 #ifdef TARGET_OS_FAMILY_windows | |
| 53 # include "os_windows.inline.hpp" | |
| 54 #endif | |
| 14411 | 55 #ifdef TARGET_OS_FAMILY_aix |
| 56 # include "os_aix.inline.hpp" | |
| 57 #endif | |
| 3960 | 58 #ifdef TARGET_OS_FAMILY_bsd |
| 59 # include "os_bsd.inline.hpp" | |
| 60 #endif | |
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61 #if INCLUDE_ALL_GCS |
| 1972 | 62 #include "gc_implementation/concurrentMarkSweep/compactibleFreeListSpace.hpp" |
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63 #include "gc_implementation/g1/g1CollectedHeap.inline.hpp" |
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64 #include "gc_implementation/parallelScavenge/parallelScavengeHeap.hpp" |
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65 #endif // INCLUDE_ALL_GCS |
| 0 | 66 |
| 2474 | 67 // Note: This is a special bug reporting site for the JVM |
| 68 #define DEFAULT_VENDOR_URL_BUG "http://bugreport.sun.com/bugreport/crash.jsp" | |
| 0 | 69 #define DEFAULT_JAVA_LAUNCHER "generic" |
| 70 | |
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71 // Disable options not supported in this release, with a warning if they |
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72 // were explicitly requested on the command-line |
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73 #define UNSUPPORTED_OPTION(opt, description) \ |
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74 do { \ |
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75 if (opt) { \ |
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76 if (FLAG_IS_CMDLINE(opt)) { \ |
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77 warning(description " is disabled in this release."); \ |
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78 } \ |
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79 FLAG_SET_DEFAULT(opt, false); \ |
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80 } \ |
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81 } while(0) |
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82 |
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83 #define UNSUPPORTED_GC_OPTION(gc) \ |
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84 do { \ |
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85 if (gc) { \ |
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86 if (FLAG_IS_CMDLINE(gc)) { \ |
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87 warning(#gc " is not supported in this VM. Using Serial GC."); \ |
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88 } \ |
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89 FLAG_SET_DEFAULT(gc, false); \ |
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90 } \ |
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91 } while(0) |
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92 |
| 0 | 93 char** Arguments::_jvm_flags_array = NULL; |
| 94 int Arguments::_num_jvm_flags = 0; | |
| 95 char** Arguments::_jvm_args_array = NULL; | |
| 96 int Arguments::_num_jvm_args = 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; | |
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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) { | |
| 159 // See if sun.java.launcher or sun.java.launcher.pid is defined. | |
| 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)); | |
| 185 | |
| 186 // following are JVMTI agent writeable properties. | |
| 187 // Properties values are set to NULL and they are | |
| 188 // os specific they are initialized in os::init_system_properties_values(). | |
| 189 _java_ext_dirs = new SystemProperty("java.ext.dirs", NULL, true); | |
| 190 _java_endorsed_dirs = new SystemProperty("java.endorsed.dirs", NULL, true); | |
| 191 _sun_boot_library_path = new SystemProperty("sun.boot.library.path", NULL, true); | |
| 192 _java_library_path = new SystemProperty("java.library.path", NULL, true); | |
| 193 _java_home = new SystemProperty("java.home", NULL, true); | |
| 194 _sun_boot_class_path = new SystemProperty("sun.boot.class.path", NULL, true); | |
| 195 | |
| 196 _java_class_path = new SystemProperty("java.class.path", "", true); | |
| 197 | |
| 198 // Add to System Property list. | |
| 199 PropertyList_add(&_system_properties, _java_ext_dirs); | |
| 200 PropertyList_add(&_system_properties, _java_endorsed_dirs); | |
| 201 PropertyList_add(&_system_properties, _sun_boot_library_path); | |
| 202 PropertyList_add(&_system_properties, _java_library_path); | |
| 203 PropertyList_add(&_system_properties, _java_home); | |
| 204 PropertyList_add(&_system_properties, _java_class_path); | |
| 205 PropertyList_add(&_system_properties, _sun_boot_class_path); | |
| 206 | |
| 207 // Set OS specific system properties values | |
| 208 os::init_system_properties_values(); | |
| 209 } | |
| 210 | |
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211 |
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212 // Update/Initialize System properties after JDK version number is known |
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213 void Arguments::init_version_specific_system_properties() { |
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214 enum { bufsz = 16 }; |
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215 char buffer[bufsz]; |
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216 const char* spec_vendor = "Sun Microsystems Inc."; |
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217 uint32_t spec_version = 0; |
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218 |
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219 if (JDK_Version::is_gte_jdk17x_version()) { |
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220 spec_vendor = "Oracle Corporation"; |
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221 spec_version = JDK_Version::current().major_version(); |
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222 } |
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223 jio_snprintf(buffer, bufsz, "1." UINT32_FORMAT, spec_version); |
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224 |
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225 PropertyList_add(&_system_properties, |
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226 new SystemProperty("java.vm.specification.vendor", spec_vendor, false)); |
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227 PropertyList_add(&_system_properties, |
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228 new SystemProperty("java.vm.specification.version", buffer, false)); |
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229 PropertyList_add(&_system_properties, |
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230 new SystemProperty("java.vm.vendor", VM_Version::vm_vendor(), false)); |
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231 } |
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232 |
| 242 | 233 /** |
| 234 * Provide a slightly more user-friendly way of eliminating -XX flags. | |
| 235 * When a flag is eliminated, it can be added to this list in order to | |
| 236 * continue accepting this flag on the command-line, while issuing a warning | |
| 237 * and ignoring the value. Once the JDK version reaches the 'accept_until' | |
| 238 * limit, we flatly refuse to admit the existence of the flag. This allows | |
| 239 * a flag to die correctly over JDK releases using HSX. | |
| 240 */ | |
| 241 typedef struct { | |
| 242 const char* name; | |
| 243 JDK_Version obsoleted_in; // when the flag went away | |
| 244 JDK_Version accept_until; // which version to start denying the existence | |
| 245 } ObsoleteFlag; | |
| 0 | 246 |
| 242 | 247 static ObsoleteFlag obsolete_jvm_flags[] = { |
| 248 { "UseTrainGC", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
| 249 { "UseSpecialLargeObjectHandling", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
| 250 { "UseOversizedCarHandling", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
| 251 { "TraceCarAllocation", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
| 252 { "PrintTrainGCProcessingStats", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
| 253 { "LogOfCarSpaceSize", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
| 254 { "OversizedCarThreshold", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
| 255 { "MinTickInterval", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
| 256 { "DefaultTickInterval", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
| 257 { "MaxTickInterval", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
| 258 { "DelayTickAdjustment", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
| 259 { "ProcessingToTenuringRatio", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
| 260 { "MinTrainLength", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
| 261 { "AppendRatio", JDK_Version::jdk_update(6,10), JDK_Version::jdk(7) }, | |
| 1064 | 262 { "DefaultMaxRAM", JDK_Version::jdk_update(6,18), JDK_Version::jdk(7) }, |
| 263 { "DefaultInitialRAMFraction", | |
| 264 JDK_Version::jdk_update(6,18), JDK_Version::jdk(7) }, | |
|
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265 { "UseDepthFirstScavengeOrder", |
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266 JDK_Version::jdk_update(6,22), JDK_Version::jdk(7) }, |
|
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267 { "HandlePromotionFailure", |
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268 JDK_Version::jdk_update(6,24), JDK_Version::jdk(8) }, |
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269 { "MaxLiveObjectEvacuationRatio", |
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270 JDK_Version::jdk_update(6,24), JDK_Version::jdk(8) }, |
|
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271 { "ForceSharedSpaces", JDK_Version::jdk_update(6,25), JDK_Version::jdk(8) }, |
|
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272 { "UseParallelOldGCCompacting", |
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273 JDK_Version::jdk_update(6,27), JDK_Version::jdk(8) }, |
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274 { "UseParallelDensePrefixUpdate", |
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275 JDK_Version::jdk_update(6,27), JDK_Version::jdk(8) }, |
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276 { "UseParallelOldGCDensePrefix", |
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277 JDK_Version::jdk_update(6,27), JDK_Version::jdk(8) }, |
| 2460 | 278 { "AllowTransitionalJSR292", JDK_Version::jdk(7), JDK_Version::jdk(8) }, |
|
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279 { "UseCompressedStrings", JDK_Version::jdk(7), JDK_Version::jdk(8) }, |
|
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280 { "CMSPermGenPrecleaningEnabled", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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281 { "CMSTriggerPermRatio", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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282 { "CMSInitiatingPermOccupancyFraction", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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283 { "AdaptivePermSizeWeight", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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284 { "PermGenPadding", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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285 { "PermMarkSweepDeadRatio", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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286 { "PermSize", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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287 { "MaxPermSize", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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288 { "MinPermHeapExpansion", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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289 { "MaxPermHeapExpansion", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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290 { "CMSRevisitStackSize", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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291 { "PrintRevisitStats", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
| 6916 | 292 { "UseVectoredExceptions", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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293 { "UseSplitVerifier", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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294 { "UseISM", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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295 { "UsePermISM", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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296 { "UseMPSS", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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297 { "UseStringCache", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
| 17672 | 298 { "UseOldInlining", JDK_Version::jdk(9), JDK_Version::jdk(10) }, |
| 20360 | 299 { "AutoShutdownNMT", JDK_Version::jdk(9), JDK_Version::jdk(10) }, |
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300 #ifdef PRODUCT |
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301 { "DesiredMethodLimit", |
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302 JDK_Version::jdk_update(7, 2), JDK_Version::jdk(8) }, |
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303 #endif // PRODUCT |
| 242 | 304 { NULL, JDK_Version(0), JDK_Version(0) } |
| 305 }; | |
| 306 | |
| 307 // Returns true if the flag is obsolete and fits into the range specified | |
| 308 // for being ignored. In the case that the flag is ignored, the 'version' | |
| 309 // value is filled in with the version number when the flag became | |
| 310 // obsolete so that that value can be displayed to the user. | |
| 311 bool Arguments::is_newly_obsolete(const char *s, JDK_Version* version) { | |
| 0 | 312 int i = 0; |
| 242 | 313 assert(version != NULL, "Must provide a version buffer"); |
| 314 while (obsolete_jvm_flags[i].name != NULL) { | |
| 315 const ObsoleteFlag& flag_status = obsolete_jvm_flags[i]; | |
| 0 | 316 // <flag>=xxx form |
| 317 // [-|+]<flag> form | |
| 242 | 318 if ((strncmp(flag_status.name, s, strlen(flag_status.name)) == 0) || |
| 0 | 319 ((s[0] == '+' || s[0] == '-') && |
| 242 | 320 (strncmp(flag_status.name, &s[1], strlen(flag_status.name)) == 0))) { |
| 321 if (JDK_Version::current().compare(flag_status.accept_until) == -1) { | |
| 322 *version = flag_status.obsoleted_in; | |
| 323 return true; | |
| 324 } | |
| 0 | 325 } |
| 326 i++; | |
| 327 } | |
| 328 return false; | |
| 329 } | |
| 330 | |
| 331 // Constructs the system class path (aka boot class path) from the following | |
| 332 // components, in order: | |
| 333 // | |
| 334 // prefix // from -Xbootclasspath/p:... | |
| 335 // endorsed // the expansion of -Djava.endorsed.dirs=... | |
| 336 // base // from os::get_system_properties() or -Xbootclasspath= | |
| 337 // suffix // from -Xbootclasspath/a:... | |
| 338 // | |
| 339 // java.endorsed.dirs is a list of directories; any jar or zip files in the | |
| 340 // directories are added to the sysclasspath just before the base. | |
| 341 // | |
| 342 // This could be AllStatic, but it isn't needed after argument processing is | |
| 343 // complete. | |
| 344 class SysClassPath: public StackObj { | |
| 345 public: | |
| 346 SysClassPath(const char* base); | |
| 347 ~SysClassPath(); | |
| 348 | |
| 349 inline void set_base(const char* base); | |
| 350 inline void add_prefix(const char* prefix); | |
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351 inline void add_suffix_to_prefix(const char* suffix); |
| 0 | 352 inline void add_suffix(const char* suffix); |
| 353 inline void reset_path(const char* base); | |
| 354 | |
| 355 // Expand the jar/zip files in each directory listed by the java.endorsed.dirs | |
| 356 // property. Must be called after all command-line arguments have been | |
| 357 // processed (in particular, -Djava.endorsed.dirs=...) and before calling | |
| 358 // combined_path(). | |
| 359 void expand_endorsed(); | |
| 360 | |
| 361 inline const char* get_base() const { return _items[_scp_base]; } | |
| 362 inline const char* get_prefix() const { return _items[_scp_prefix]; } | |
| 363 inline const char* get_suffix() const { return _items[_scp_suffix]; } | |
| 364 inline const char* get_endorsed() const { return _items[_scp_endorsed]; } | |
| 365 | |
| 366 // Combine all the components into a single c-heap-allocated string; caller | |
| 367 // must free the string if/when no longer needed. | |
| 368 char* combined_path(); | |
| 369 | |
| 370 private: | |
| 371 // Utility routines. | |
| 372 static char* add_to_path(const char* path, const char* str, bool prepend); | |
| 373 static char* add_jars_to_path(char* path, const char* directory); | |
| 374 | |
| 375 inline void reset_item_at(int index); | |
| 376 | |
| 377 // Array indices for the items that make up the sysclasspath. All except the | |
| 378 // base are allocated in the C heap and freed by this class. | |
| 379 enum { | |
| 380 _scp_prefix, // from -Xbootclasspath/p:... | |
| 381 _scp_endorsed, // the expansion of -Djava.endorsed.dirs=... | |
| 382 _scp_base, // the default sysclasspath | |
| 383 _scp_suffix, // from -Xbootclasspath/a:... | |
| 384 _scp_nitems // the number of items, must be last. | |
| 385 }; | |
| 386 | |
| 387 const char* _items[_scp_nitems]; | |
| 388 DEBUG_ONLY(bool _expansion_done;) | |
| 389 }; | |
| 390 | |
| 391 SysClassPath::SysClassPath(const char* base) { | |
| 392 memset(_items, 0, sizeof(_items)); | |
| 393 _items[_scp_base] = base; | |
| 394 DEBUG_ONLY(_expansion_done = false;) | |
| 395 } | |
| 396 | |
| 397 SysClassPath::~SysClassPath() { | |
| 398 // Free everything except the base. | |
| 399 for (int i = 0; i < _scp_nitems; ++i) { | |
| 400 if (i != _scp_base) reset_item_at(i); | |
| 401 } | |
| 402 DEBUG_ONLY(_expansion_done = false;) | |
| 403 } | |
| 404 | |
| 405 inline void SysClassPath::set_base(const char* base) { | |
| 406 _items[_scp_base] = base; | |
| 407 } | |
| 408 | |
| 409 inline void SysClassPath::add_prefix(const char* prefix) { | |
| 410 _items[_scp_prefix] = add_to_path(_items[_scp_prefix], prefix, true); | |
| 411 } | |
| 412 | |
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413 inline void SysClassPath::add_suffix_to_prefix(const char* suffix) { |
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414 _items[_scp_prefix] = add_to_path(_items[_scp_prefix], suffix, false); |
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415 } |
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416 |
| 0 | 417 inline void SysClassPath::add_suffix(const char* suffix) { |
| 418 _items[_scp_suffix] = add_to_path(_items[_scp_suffix], suffix, false); | |
| 419 } | |
| 420 | |
| 421 inline void SysClassPath::reset_item_at(int index) { | |
| 422 assert(index < _scp_nitems && index != _scp_base, "just checking"); | |
| 423 if (_items[index] != NULL) { | |
| 6197 | 424 FREE_C_HEAP_ARRAY(char, _items[index], mtInternal); |
| 0 | 425 _items[index] = NULL; |
| 426 } | |
| 427 } | |
| 428 | |
| 429 inline void SysClassPath::reset_path(const char* base) { | |
| 430 // Clear the prefix and suffix. | |
| 431 reset_item_at(_scp_prefix); | |
| 432 reset_item_at(_scp_suffix); | |
| 433 set_base(base); | |
| 434 } | |
| 435 | |
| 436 //------------------------------------------------------------------------------ | |
| 437 | |
| 438 void SysClassPath::expand_endorsed() { | |
| 439 assert(_items[_scp_endorsed] == NULL, "can only be called once."); | |
| 440 | |
| 441 const char* path = Arguments::get_property("java.endorsed.dirs"); | |
| 442 if (path == NULL) { | |
| 443 path = Arguments::get_endorsed_dir(); | |
| 444 assert(path != NULL, "no default for java.endorsed.dirs"); | |
| 445 } | |
| 446 | |
| 447 char* expanded_path = NULL; | |
| 448 const char separator = *os::path_separator(); | |
| 449 const char* const end = path + strlen(path); | |
| 450 while (path < end) { | |
| 451 const char* tmp_end = strchr(path, separator); | |
| 452 if (tmp_end == NULL) { | |
| 453 expanded_path = add_jars_to_path(expanded_path, path); | |
| 454 path = end; | |
| 455 } else { | |
| 6197 | 456 char* dirpath = NEW_C_HEAP_ARRAY(char, tmp_end - path + 1, mtInternal); |
| 0 | 457 memcpy(dirpath, path, tmp_end - path); |
| 458 dirpath[tmp_end - path] = '\0'; | |
| 459 expanded_path = add_jars_to_path(expanded_path, dirpath); | |
| 6197 | 460 FREE_C_HEAP_ARRAY(char, dirpath, mtInternal); |
| 0 | 461 path = tmp_end + 1; |
| 462 } | |
| 463 } | |
| 464 _items[_scp_endorsed] = expanded_path; | |
| 465 DEBUG_ONLY(_expansion_done = true;) | |
| 466 } | |
| 467 | |
| 468 // Combine the bootclasspath elements, some of which may be null, into a single | |
| 469 // c-heap-allocated string. | |
| 470 char* SysClassPath::combined_path() { | |
| 471 assert(_items[_scp_base] != NULL, "empty default sysclasspath"); | |
| 472 assert(_expansion_done, "must call expand_endorsed() first."); | |
| 473 | |
| 474 size_t lengths[_scp_nitems]; | |
| 475 size_t total_len = 0; | |
| 476 | |
| 477 const char separator = *os::path_separator(); | |
| 478 | |
| 479 // Get the lengths. | |
| 480 int i; | |
| 481 for (i = 0; i < _scp_nitems; ++i) { | |
| 482 if (_items[i] != NULL) { | |
| 483 lengths[i] = strlen(_items[i]); | |
| 484 // Include space for the separator char (or a NULL for the last item). | |
| 485 total_len += lengths[i] + 1; | |
| 486 } | |
| 487 } | |
| 488 assert(total_len > 0, "empty sysclasspath not allowed"); | |
| 489 | |
| 490 // Copy the _items to a single string. | |
| 6197 | 491 char* cp = NEW_C_HEAP_ARRAY(char, total_len, mtInternal); |
| 0 | 492 char* cp_tmp = cp; |
| 493 for (i = 0; i < _scp_nitems; ++i) { | |
| 494 if (_items[i] != NULL) { | |
| 495 memcpy(cp_tmp, _items[i], lengths[i]); | |
| 496 cp_tmp += lengths[i]; | |
| 497 *cp_tmp++ = separator; | |
| 498 } | |
| 499 } | |
| 500 *--cp_tmp = '\0'; // Replace the extra separator. | |
| 501 return cp; | |
| 502 } | |
| 503 | |
| 504 // Note: path must be c-heap-allocated (or NULL); it is freed if non-null. | |
| 505 char* | |
| 506 SysClassPath::add_to_path(const char* path, const char* str, bool prepend) { | |
| 507 char *cp; | |
| 508 | |
| 509 assert(str != NULL, "just checking"); | |
| 510 if (path == NULL) { | |
| 511 size_t len = strlen(str) + 1; | |
| 6197 | 512 cp = NEW_C_HEAP_ARRAY(char, len, mtInternal); |
| 0 | 513 memcpy(cp, str, len); // copy the trailing null |
| 514 } else { | |
| 515 const char separator = *os::path_separator(); | |
| 516 size_t old_len = strlen(path); | |
| 517 size_t str_len = strlen(str); | |
| 518 size_t len = old_len + str_len + 2; | |
| 519 | |
| 520 if (prepend) { | |
| 6197 | 521 cp = NEW_C_HEAP_ARRAY(char, len, mtInternal); |
| 0 | 522 char* cp_tmp = cp; |
| 523 memcpy(cp_tmp, str, str_len); | |
| 524 cp_tmp += str_len; | |
| 525 *cp_tmp = separator; | |
| 526 memcpy(++cp_tmp, path, old_len + 1); // copy the trailing null | |
| 6197 | 527 FREE_C_HEAP_ARRAY(char, path, mtInternal); |
| 0 | 528 } else { |
| 6197 | 529 cp = REALLOC_C_HEAP_ARRAY(char, path, len, mtInternal); |
| 0 | 530 char* cp_tmp = cp + old_len; |
| 531 *cp_tmp = separator; | |
| 532 memcpy(++cp_tmp, str, str_len + 1); // copy the trailing null | |
| 533 } | |
| 534 } | |
| 535 return cp; | |
| 536 } | |
| 537 | |
| 538 // Scan the directory and append any jar or zip files found to path. | |
| 539 // Note: path must be c-heap-allocated (or NULL); it is freed if non-null. | |
| 540 char* SysClassPath::add_jars_to_path(char* path, const char* directory) { | |
| 541 DIR* dir = os::opendir(directory); | |
| 542 if (dir == NULL) return path; | |
| 543 | |
| 544 char dir_sep[2] = { '\0', '\0' }; | |
| 545 size_t directory_len = strlen(directory); | |
| 546 const char fileSep = *os::file_separator(); | |
| 547 if (directory[directory_len - 1] != fileSep) dir_sep[0] = fileSep; | |
| 548 | |
| 549 /* Scan the directory for jars/zips, appending them to path. */ | |
| 550 struct dirent *entry; | |
| 6197 | 551 char *dbuf = NEW_C_HEAP_ARRAY(char, os::readdir_buf_size(directory), mtInternal); |
| 0 | 552 while ((entry = os::readdir(dir, (dirent *) dbuf)) != NULL) { |
| 553 const char* name = entry->d_name; | |
| 554 const char* ext = name + strlen(name) - 4; | |
| 555 bool isJarOrZip = ext > name && | |
| 556 (os::file_name_strcmp(ext, ".jar") == 0 || | |
| 557 os::file_name_strcmp(ext, ".zip") == 0); | |
| 558 if (isJarOrZip) { | |
| 6197 | 559 char* jarpath = NEW_C_HEAP_ARRAY(char, directory_len + 2 + strlen(name), mtInternal); |
| 0 | 560 sprintf(jarpath, "%s%s%s", directory, dir_sep, name); |
| 561 path = add_to_path(path, jarpath, false); | |
| 6197 | 562 FREE_C_HEAP_ARRAY(char, jarpath, mtInternal); |
| 0 | 563 } |
| 564 } | |
| 6197 | 565 FREE_C_HEAP_ARRAY(char, dbuf, mtInternal); |
| 0 | 566 os::closedir(dir); |
| 567 return path; | |
| 568 } | |
| 569 | |
| 570 // Parses a memory size specification string. | |
|
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571 static bool atomull(const char *s, julong* result) { |
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572 julong n = 0; |
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573 int args_read = sscanf(s, JULONG_FORMAT, &n); |
| 0 | 574 if (args_read != 1) { |
| 575 return false; | |
| 576 } | |
| 577 while (*s != '\0' && isdigit(*s)) { | |
| 578 s++; | |
| 579 } | |
| 580 // 4705540: illegal if more characters are found after the first non-digit | |
| 581 if (strlen(s) > 1) { | |
| 582 return false; | |
| 583 } | |
| 584 switch (*s) { | |
| 585 case 'T': case 't': | |
| 586 *result = n * G * K; | |
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587 // Check for overflow. |
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588 if (*result/((julong)G * K) != n) return false; |
| 0 | 589 return true; |
| 590 case 'G': case 'g': | |
| 591 *result = n * G; | |
|
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592 if (*result/G != n) return false; |
| 0 | 593 return true; |
| 594 case 'M': case 'm': | |
| 595 *result = n * M; | |
|
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596 if (*result/M != n) return false; |
| 0 | 597 return true; |
| 598 case 'K': case 'k': | |
| 599 *result = n * K; | |
|
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600 if (*result/K != n) return false; |
| 0 | 601 return true; |
| 602 case '\0': | |
| 603 *result = n; | |
| 604 return true; | |
| 605 default: | |
| 606 return false; | |
| 607 } | |
| 608 } | |
| 609 | |
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610 Arguments::ArgsRange Arguments::check_memory_size(julong size, julong min_size) { |
| 0 | 611 if (size < min_size) return arg_too_small; |
| 612 // Check that size will fit in a size_t (only relevant on 32-bit) | |
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613 if (size > max_uintx) return arg_too_big; |
| 0 | 614 return arg_in_range; |
| 615 } | |
| 616 | |
| 617 // Describe an argument out of range error | |
| 618 void Arguments::describe_range_error(ArgsRange errcode) { | |
| 619 switch(errcode) { | |
| 620 case arg_too_big: | |
| 621 jio_fprintf(defaultStream::error_stream(), | |
| 622 "The specified size exceeds the maximum " | |
| 623 "representable size.\n"); | |
| 624 break; | |
| 625 case arg_too_small: | |
| 626 case arg_unreadable: | |
| 627 case arg_in_range: | |
| 628 // do nothing for now | |
| 629 break; | |
| 630 default: | |
| 631 ShouldNotReachHere(); | |
| 632 } | |
| 633 } | |
| 634 | |
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635 static bool set_bool_flag(char* name, bool value, Flag::Flags origin) { |
| 0 | 636 return CommandLineFlags::boolAtPut(name, &value, origin); |
| 637 } | |
| 638 | |
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639 static bool set_fp_numeric_flag(char* name, char* value, Flag::Flags origin) { |
| 0 | 640 double v; |
| 641 if (sscanf(value, "%lf", &v) != 1) { | |
| 642 return false; | |
| 643 } | |
| 644 | |
| 645 if (CommandLineFlags::doubleAtPut(name, &v, origin)) { | |
| 646 return true; | |
| 647 } | |
| 648 return false; | |
| 649 } | |
| 650 | |
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651 static bool set_numeric_flag(char* name, char* value, Flag::Flags origin) { |
|
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652 julong v; |
| 0 | 653 intx intx_v; |
| 654 bool is_neg = false; | |
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655 // Check the sign first since atomull() parses only unsigned values. |
| 0 | 656 if (*value == '-') { |
| 657 if (!CommandLineFlags::intxAt(name, &intx_v)) { | |
| 658 return false; | |
| 659 } | |
| 660 value++; | |
| 661 is_neg = true; | |
| 662 } | |
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663 if (!atomull(value, &v)) { |
| 0 | 664 return false; |
| 665 } | |
| 666 intx_v = (intx) v; | |
| 667 if (is_neg) { | |
| 668 intx_v = -intx_v; | |
| 669 } | |
| 670 if (CommandLineFlags::intxAtPut(name, &intx_v, origin)) { | |
| 671 return true; | |
| 672 } | |
| 673 uintx uintx_v = (uintx) v; | |
| 674 if (!is_neg && CommandLineFlags::uintxAtPut(name, &uintx_v, origin)) { | |
| 675 return true; | |
| 676 } | |
| 1064 | 677 uint64_t uint64_t_v = (uint64_t) v; |
| 678 if (!is_neg && CommandLineFlags::uint64_tAtPut(name, &uint64_t_v, origin)) { | |
| 679 return true; | |
| 680 } | |
| 0 | 681 return false; |
| 682 } | |
| 683 | |
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684 static bool set_string_flag(char* name, const char* value, Flag::Flags origin) { |
| 0 | 685 if (!CommandLineFlags::ccstrAtPut(name, &value, origin)) return false; |
| 686 // Contract: CommandLineFlags always returns a pointer that needs freeing. | |
| 6197 | 687 FREE_C_HEAP_ARRAY(char, value, mtInternal); |
| 0 | 688 return true; |
| 689 } | |
| 690 | |
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691 static bool append_to_string_flag(char* name, const char* new_value, Flag::Flags origin) { |
| 0 | 692 const char* old_value = ""; |
| 693 if (!CommandLineFlags::ccstrAt(name, &old_value)) return false; | |
| 694 size_t old_len = old_value != NULL ? strlen(old_value) : 0; | |
| 695 size_t new_len = strlen(new_value); | |
| 696 const char* value; | |
| 697 char* free_this_too = NULL; | |
| 698 if (old_len == 0) { | |
| 699 value = new_value; | |
| 700 } else if (new_len == 0) { | |
| 701 value = old_value; | |
| 702 } else { | |
| 6197 | 703 char* buf = NEW_C_HEAP_ARRAY(char, old_len + 1 + new_len + 1, mtInternal); |
| 0 | 704 // each new setting adds another LINE to the switch: |
| 705 sprintf(buf, "%s\n%s", old_value, new_value); | |
| 706 value = buf; | |
| 707 free_this_too = buf; | |
| 708 } | |
| 709 (void) CommandLineFlags::ccstrAtPut(name, &value, origin); | |
| 710 // CommandLineFlags always returns a pointer that needs freeing. | |
| 6197 | 711 FREE_C_HEAP_ARRAY(char, value, mtInternal); |
| 0 | 712 if (free_this_too != NULL) { |
| 713 // CommandLineFlags made its own copy, so I must delete my own temp. buffer. | |
| 6197 | 714 FREE_C_HEAP_ARRAY(char, free_this_too, mtInternal); |
| 0 | 715 } |
| 716 return true; | |
| 717 } | |
| 718 | |
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719 bool Arguments::parse_argument(const char* arg, Flag::Flags origin) { |
| 0 | 720 |
| 721 // range of acceptable characters spelled out for portability reasons | |
| 722 #define NAME_RANGE "[abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_]" | |
| 723 #define BUFLEN 255 | |
| 724 char name[BUFLEN+1]; | |
| 725 char dummy; | |
| 726 | |
| 727 if (sscanf(arg, "-%" XSTR(BUFLEN) NAME_RANGE "%c", name, &dummy) == 1) { | |
| 728 return set_bool_flag(name, false, origin); | |
| 729 } | |
| 730 if (sscanf(arg, "+%" XSTR(BUFLEN) NAME_RANGE "%c", name, &dummy) == 1) { | |
| 731 return set_bool_flag(name, true, origin); | |
| 732 } | |
| 733 | |
| 734 char punct; | |
| 735 if (sscanf(arg, "%" XSTR(BUFLEN) NAME_RANGE "%c", name, &punct) == 2 && punct == '=') { | |
| 736 const char* value = strchr(arg, '=') + 1; | |
| 737 Flag* flag = Flag::find_flag(name, strlen(name)); | |
| 738 if (flag != NULL && flag->is_ccstr()) { | |
| 739 if (flag->ccstr_accumulates()) { | |
| 740 return append_to_string_flag(name, value, origin); | |
| 741 } else { | |
| 742 if (value[0] == '\0') { | |
| 743 value = NULL; | |
| 744 } | |
| 745 return set_string_flag(name, value, origin); | |
| 746 } | |
| 747 } | |
| 748 } | |
| 749 | |
| 750 if (sscanf(arg, "%" XSTR(BUFLEN) NAME_RANGE ":%c", name, &punct) == 2 && punct == '=') { | |
| 751 const char* value = strchr(arg, '=') + 1; | |
| 752 // -XX:Foo:=xxx will reset the string flag to the given value. | |
| 753 if (value[0] == '\0') { | |
| 754 value = NULL; | |
| 755 } | |
| 756 return set_string_flag(name, value, origin); | |
| 757 } | |
| 758 | |
| 759 #define SIGNED_FP_NUMBER_RANGE "[-0123456789.]" | |
| 760 #define SIGNED_NUMBER_RANGE "[-0123456789]" | |
| 761 #define NUMBER_RANGE "[0123456789]" | |
| 762 char value[BUFLEN + 1]; | |
| 763 char value2[BUFLEN + 1]; | |
| 764 if (sscanf(arg, "%" XSTR(BUFLEN) NAME_RANGE "=" "%" XSTR(BUFLEN) SIGNED_NUMBER_RANGE "." "%" XSTR(BUFLEN) NUMBER_RANGE "%c", name, value, value2, &dummy) == 3) { | |
| 765 // Looks like a floating-point number -- try again with more lenient format string | |
| 766 if (sscanf(arg, "%" XSTR(BUFLEN) NAME_RANGE "=" "%" XSTR(BUFLEN) SIGNED_FP_NUMBER_RANGE "%c", name, value, &dummy) == 2) { | |
| 767 return set_fp_numeric_flag(name, value, origin); | |
| 768 } | |
| 769 } | |
| 770 | |
| 771 #define VALUE_RANGE "[-kmgtKMGT0123456789]" | |
| 772 if (sscanf(arg, "%" XSTR(BUFLEN) NAME_RANGE "=" "%" XSTR(BUFLEN) VALUE_RANGE "%c", name, value, &dummy) == 2) { | |
| 773 return set_numeric_flag(name, value, origin); | |
| 774 } | |
| 775 | |
| 776 return false; | |
| 777 } | |
| 778 | |
| 779 void Arguments::add_string(char*** bldarray, int* count, const char* arg) { | |
| 780 assert(bldarray != NULL, "illegal argument"); | |
| 781 | |
| 782 if (arg == NULL) { | |
| 783 return; | |
| 784 } | |
| 785 | |
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786 int new_count = *count + 1; |
| 0 | 787 |
| 788 // expand the array and add arg to the last element | |
| 789 if (*bldarray == NULL) { | |
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790 *bldarray = NEW_C_HEAP_ARRAY(char*, new_count, mtInternal); |
| 0 | 791 } else { |
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792 *bldarray = REALLOC_C_HEAP_ARRAY(char*, *bldarray, new_count, mtInternal); |
| 0 | 793 } |
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794 (*bldarray)[*count] = strdup(arg); |
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795 *count = new_count; |
| 0 | 796 } |
| 797 | |
| 798 void Arguments::build_jvm_args(const char* arg) { | |
| 799 add_string(&_jvm_args_array, &_num_jvm_args, arg); | |
| 800 } | |
| 801 | |
| 802 void Arguments::build_jvm_flags(const char* arg) { | |
| 803 add_string(&_jvm_flags_array, &_num_jvm_flags, arg); | |
| 804 } | |
| 805 | |
| 806 // utility function to return a string that concatenates all | |
| 807 // strings in a given char** array | |
| 808 const char* Arguments::build_resource_string(char** args, int count) { | |
| 809 if (args == NULL || count == 0) { | |
| 810 return NULL; | |
| 811 } | |
| 812 size_t length = strlen(args[0]) + 1; // add 1 for the null terminator | |
| 813 for (int i = 1; i < count; i++) { | |
| 814 length += strlen(args[i]) + 1; // add 1 for a space | |
| 815 } | |
| 816 char* s = NEW_RESOURCE_ARRAY(char, length); | |
| 817 strcpy(s, args[0]); | |
| 818 for (int j = 1; j < count; j++) { | |
| 819 strcat(s, " "); | |
| 820 strcat(s, args[j]); | |
| 821 } | |
| 822 return (const char*) s; | |
| 823 } | |
| 824 | |
| 825 void Arguments::print_on(outputStream* st) { | |
| 826 st->print_cr("VM Arguments:"); | |
| 827 if (num_jvm_flags() > 0) { | |
| 828 st->print("jvm_flags: "); print_jvm_flags_on(st); | |
| 829 } | |
| 830 if (num_jvm_args() > 0) { | |
| 831 st->print("jvm_args: "); print_jvm_args_on(st); | |
| 832 } | |
| 833 st->print_cr("java_command: %s", java_command() ? java_command() : "<unknown>"); | |
|
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834 if (_java_class_path != NULL) { |
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835 char* path = _java_class_path->value(); |
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836 st->print_cr("java_class_path (initial): %s", strlen(path) == 0 ? "<not set>" : path ); |
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837 } |
| 0 | 838 st->print_cr("Launcher Type: %s", _sun_java_launcher); |
| 839 } | |
| 840 | |
| 841 void Arguments::print_jvm_flags_on(outputStream* st) { | |
| 842 if (_num_jvm_flags > 0) { | |
| 843 for (int i=0; i < _num_jvm_flags; i++) { | |
| 844 st->print("%s ", _jvm_flags_array[i]); | |
| 845 } | |
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846 st->cr(); |
| 0 | 847 } |
| 848 } | |
| 849 | |
| 850 void Arguments::print_jvm_args_on(outputStream* st) { | |
| 851 if (_num_jvm_args > 0) { | |
| 852 for (int i=0; i < _num_jvm_args; i++) { | |
| 853 st->print("%s ", _jvm_args_array[i]); | |
| 854 } | |
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855 st->cr(); |
| 0 | 856 } |
| 857 } | |
| 858 | |
| 242 | 859 bool Arguments::process_argument(const char* arg, |
|
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860 jboolean ignore_unrecognized, Flag::Flags origin) { |
| 242 | 861 |
| 862 JDK_Version since = JDK_Version(); | |
| 0 | 863 |
| 3250 | 864 if (parse_argument(arg, origin) || ignore_unrecognized) { |
| 865 return true; | |
| 0 | 866 } |
| 3250 | 867 |
|
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868 bool has_plus_minus = (*arg == '+' || *arg == '-'); |
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869 const char* const argname = has_plus_minus ? arg + 1 : arg; |
| 3250 | 870 if (is_newly_obsolete(arg, &since)) { |
| 871 char version[256]; | |
| 872 since.to_string(version, sizeof(version)); | |
| 873 warning("ignoring option %s; support was removed in %s", argname, version); | |
| 874 return true; | |
| 875 } | |
| 876 | |
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877 // For locked flags, report a custom error message if available. |
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878 // Otherwise, report the standard unrecognized VM option. |
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879 |
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880 size_t arg_len; |
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881 const char* equal_sign = strchr(argname, '='); |
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882 if (equal_sign == NULL) { |
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883 arg_len = strlen(argname); |
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884 } else { |
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885 arg_len = equal_sign - argname; |
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886 } |
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887 |
|
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888 Flag* found_flag = Flag::find_flag((const char*)argname, arg_len, true, true); |
|
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889 if (found_flag != NULL) { |
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890 char locked_message_buf[BUFLEN]; |
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891 found_flag->get_locked_message(locked_message_buf, BUFLEN); |
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892 if (strlen(locked_message_buf) == 0) { |
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893 if (found_flag->is_bool() && !has_plus_minus) { |
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894 jio_fprintf(defaultStream::error_stream(), |
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895 "Missing +/- setting for VM option '%s'\n", argname); |
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896 } else if (!found_flag->is_bool() && has_plus_minus) { |
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897 jio_fprintf(defaultStream::error_stream(), |
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898 "Unexpected +/- setting in VM option '%s'\n", argname); |
|
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899 } else { |
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900 jio_fprintf(defaultStream::error_stream(), |
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901 "Improperly specified VM option '%s'\n", argname); |
|
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902 } |
|
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903 } else { |
|
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904 jio_fprintf(defaultStream::error_stream(), "%s", locked_message_buf); |
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905 } |
| 6017 | 906 } else { |
| 907 jio_fprintf(defaultStream::error_stream(), | |
| 908 "Unrecognized VM option '%s'\n", argname); | |
| 11070 | 909 Flag* fuzzy_matched = Flag::fuzzy_match((const char*)argname, arg_len, true); |
| 910 if (fuzzy_matched != NULL) { | |
| 911 jio_fprintf(defaultStream::error_stream(), | |
| 912 "Did you mean '%s%s%s'?\n", | |
| 913 (fuzzy_matched->is_bool()) ? "(+/-)" : "", | |
|
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914 fuzzy_matched->_name, |
| 11070 | 915 (fuzzy_matched->is_bool()) ? "" : "=<value>"); |
| 916 } | |
|
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917 } |
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918 |
| 3250 | 919 // allow for commandline "commenting out" options like -XX:#+Verbose |
| 920 return arg[0] == '#'; | |
| 0 | 921 } |
| 922 | |
| 923 bool Arguments::process_settings_file(const char* file_name, bool should_exist, jboolean ignore_unrecognized) { | |
| 924 FILE* stream = fopen(file_name, "rb"); | |
| 925 if (stream == NULL) { | |
| 926 if (should_exist) { | |
| 927 jio_fprintf(defaultStream::error_stream(), | |
| 928 "Could not open settings file %s\n", file_name); | |
| 929 return false; | |
| 930 } else { | |
| 931 return true; | |
| 932 } | |
| 933 } | |
| 934 | |
| 935 char token[1024]; | |
| 936 int pos = 0; | |
| 937 | |
| 938 bool in_white_space = true; | |
| 939 bool in_comment = false; | |
| 940 bool in_quote = false; | |
| 941 char quote_c = 0; | |
| 942 bool result = true; | |
| 943 | |
| 944 int c = getc(stream); | |
| 6901 | 945 while(c != EOF && pos < (int)(sizeof(token)-1)) { |
| 0 | 946 if (in_white_space) { |
| 947 if (in_comment) { | |
| 948 if (c == '\n') in_comment = false; | |
| 949 } else { | |
| 950 if (c == '#') in_comment = true; | |
| 951 else if (!isspace(c)) { | |
| 952 in_white_space = false; | |
| 953 token[pos++] = c; | |
| 954 } | |
| 955 } | |
| 956 } else { | |
| 957 if (c == '\n' || (!in_quote && isspace(c))) { | |
| 958 // token ends at newline, or at unquoted whitespace | |
| 959 // this allows a way to include spaces in string-valued options | |
| 960 token[pos] = '\0'; | |
| 961 logOption(token); | |
|
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962 result &= process_argument(token, ignore_unrecognized, Flag::CONFIG_FILE); |
| 0 | 963 build_jvm_flags(token); |
| 964 pos = 0; | |
| 965 in_white_space = true; | |
| 966 in_quote = false; | |
| 967 } else if (!in_quote && (c == '\'' || c == '"')) { | |
| 968 in_quote = true; | |
| 969 quote_c = c; | |
| 970 } else if (in_quote && (c == quote_c)) { | |
| 971 in_quote = false; | |
| 972 } else { | |
| 973 token[pos++] = c; | |
| 974 } | |
| 975 } | |
| 976 c = getc(stream); | |
| 977 } | |
| 978 if (pos > 0) { | |
| 979 token[pos] = '\0'; | |
|
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980 result &= process_argument(token, ignore_unrecognized, Flag::CONFIG_FILE); |
| 0 | 981 build_jvm_flags(token); |
| 982 } | |
| 983 fclose(stream); | |
| 984 return result; | |
| 985 } | |
| 986 | |
| 987 //============================================================================================================= | |
| 988 // Parsing of properties (-D) | |
| 989 | |
| 990 const char* Arguments::get_property(const char* key) { | |
| 991 return PropertyList_get_value(system_properties(), key); | |
| 992 } | |
| 993 | |
| 994 bool Arguments::add_property(const char* prop) { | |
| 995 const char* eq = strchr(prop, '='); | |
| 996 char* key; | |
| 997 // ns must be static--its address may be stored in a SystemProperty object. | |
| 998 const static char ns[1] = {0}; | |
| 999 char* value = (char *)ns; | |
| 1000 | |
| 1001 size_t key_len = (eq == NULL) ? strlen(prop) : (eq - prop); | |
| 6197 | 1002 key = AllocateHeap(key_len + 1, mtInternal); |
| 0 | 1003 strncpy(key, prop, key_len); |
| 1004 key[key_len] = '\0'; | |
| 1005 | |
| 1006 if (eq != NULL) { | |
| 1007 size_t value_len = strlen(prop) - key_len - 1; | |
| 6197 | 1008 value = AllocateHeap(value_len + 1, mtInternal); |
| 0 | 1009 strncpy(value, &prop[key_len + 1], value_len + 1); |
| 1010 } | |
| 1011 | |
| 1012 if (strcmp(key, "java.compiler") == 0) { | |
| 1013 process_java_compiler_argument(value); | |
| 1014 FreeHeap(key); | |
| 1015 if (eq != NULL) { | |
| 1016 FreeHeap(value); | |
| 1017 } | |
| 1018 return true; | |
| 691 | 1019 } else if (strcmp(key, "sun.java.command") == 0) { |
| 0 | 1020 _java_command = value; |
| 1021 | |
|
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1022 // Record value in Arguments, but let it get passed to Java. |
| 691 | 1023 } else if (strcmp(key, "sun.java.launcher.pid") == 0) { |
| 0 | 1024 // launcher.pid property is private and is processed |
| 1025 // in process_sun_java_launcher_properties(); | |
| 1026 // the sun.java.launcher property is passed on to the java application | |
| 1027 FreeHeap(key); | |
| 1028 if (eq != NULL) { | |
| 1029 FreeHeap(value); | |
| 1030 } | |
| 1031 return true; | |
| 691 | 1032 } else if (strcmp(key, "java.vendor.url.bug") == 0) { |
| 0 | 1033 // save it in _java_vendor_url_bug, so JVM fatal error handler can access |
| 1034 // its value without going through the property list or making a Java call. | |
| 1035 _java_vendor_url_bug = value; | |
| 691 | 1036 } else if (strcmp(key, "sun.boot.library.path") == 0) { |
| 1037 PropertyList_unique_add(&_system_properties, key, value, true); | |
| 1038 return true; | |
| 0 | 1039 } |
| 1040 // Create new property and add at the end of the list | |
| 1041 PropertyList_unique_add(&_system_properties, key, value); | |
| 1042 return true; | |
| 1043 } | |
| 1044 | |
| 1045 //=========================================================================================================== | |
| 1046 // Setting int/mixed/comp mode flags | |
| 1047 | |
| 1048 void Arguments::set_mode_flags(Mode mode) { | |
| 1049 // Set up default values for all flags. | |
| 1050 // If you add a flag to any of the branches below, | |
| 1051 // add a default value for it here. | |
| 1052 set_java_compiler(false); | |
| 1053 _mode = mode; | |
| 1054 | |
| 1055 // Ensure Agent_OnLoad has the correct initial values. | |
| 1056 // This may not be the final mode; mode may change later in onload phase. | |
| 1057 PropertyList_unique_add(&_system_properties, "java.vm.info", | |
|
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1058 (char*)VM_Version::vm_info_string(), false); |
| 0 | 1059 |
| 1060 UseInterpreter = true; | |
| 1061 UseCompiler = true; | |
| 1062 UseLoopCounter = true; | |
| 1063 | |
|
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1064 #ifndef ZERO |
|
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1065 // Turn these off for mixed and comp. Leave them on for Zero. |
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1066 if (FLAG_IS_DEFAULT(UseFastAccessorMethods)) { |
|
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1067 UseFastAccessorMethods = (mode == _int); |
|
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1068 } |
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1069 if (FLAG_IS_DEFAULT(UseFastEmptyMethods)) { |
|
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1070 UseFastEmptyMethods = (mode == _int); |
|
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1071 } |
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1072 #endif |
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1073 |
| 0 | 1074 // Default values may be platform/compiler dependent - |
| 1075 // use the saved values | |
| 1076 ClipInlining = Arguments::_ClipInlining; | |
| 1077 AlwaysCompileLoopMethods = Arguments::_AlwaysCompileLoopMethods; | |
| 1078 UseOnStackReplacement = Arguments::_UseOnStackReplacement; | |
| 1079 BackgroundCompilation = Arguments::_BackgroundCompilation; | |
| 1080 | |
| 1081 // Change from defaults based on mode | |
| 1082 switch (mode) { | |
| 1083 default: | |
| 1084 ShouldNotReachHere(); | |
| 1085 break; | |
| 1086 case _int: | |
| 1087 UseCompiler = false; | |
| 1088 UseLoopCounter = false; | |
| 1089 AlwaysCompileLoopMethods = false; | |
| 1090 UseOnStackReplacement = false; | |
| 1091 break; | |
| 1092 case _mixed: | |
| 1093 // same as default | |
| 1094 break; | |
| 1095 case _comp: | |
| 1096 UseInterpreter = false; | |
| 1097 BackgroundCompilation = false; | |
| 1098 ClipInlining = false; | |
|
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1099 // Be much more aggressive in tiered mode with -Xcomp and exercise C2 more. |
|
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1100 // We will first compile a level 3 version (C1 with full profiling), then do one invocation of it and |
|
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1101 // compile a level 4 (C2) and then continue executing it. |
|
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1102 if (TieredCompilation) { |
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1103 Tier3InvokeNotifyFreqLog = 0; |
|
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1104 Tier4InvocationThreshold = 0; |
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1105 } |
| 0 | 1106 break; |
| 1107 } | |
| 1108 } | |
| 1109 | |
|
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|
1110 #if defined(COMPILER2) || defined(_LP64) || !INCLUDE_CDS |
| 0 | 1111 // Conflict: required to use shared spaces (-Xshare:on), but |
| 1112 // incompatible command line options were chosen. | |
| 1113 | |
|
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1114 static void no_shared_spaces(const char* message) { |
| 0 | 1115 if (RequireSharedSpaces) { |
| 1116 jio_fprintf(defaultStream::error_stream(), | |
| 1117 "Class data sharing is inconsistent with other specified options.\n"); | |
|
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1118 vm_exit_during_initialization("Unable to use shared archive.", message); |
| 0 | 1119 } else { |
| 1120 FLAG_SET_DEFAULT(UseSharedSpaces, false); | |
| 1121 } | |
| 1122 } | |
|
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1123 #endif |
| 0 | 1124 |
| 1783 | 1125 void Arguments::set_tiered_flags() { |
|
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1126 // With tiered, set default policy to AdvancedThresholdPolicy, which is 3. |
| 1783 | 1127 if (FLAG_IS_DEFAULT(CompilationPolicyChoice)) { |
|
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1128 FLAG_SET_DEFAULT(CompilationPolicyChoice, 3); |
| 1783 | 1129 } |
| 1130 if (CompilationPolicyChoice < 2) { | |
| 1131 vm_exit_during_initialization( | |
| 1132 "Incompatible compilation policy selected", NULL); | |
| 1133 } | |
|
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|
1134 // Increase the code cache size - tiered compiles a lot more. |
| 1783 | 1135 if (FLAG_IS_DEFAULT(ReservedCodeCacheSize)) { |
|
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|
1136 FLAG_SET_DEFAULT(ReservedCodeCacheSize, ReservedCodeCacheSize * 5); |
| 1783 | 1137 } |
| 10278 | 1138 if (!UseInterpreter) { // -Xcomp |
| 1139 Tier3InvokeNotifyFreqLog = 0; | |
| 1140 Tier4InvocationThreshold = 0; | |
| 1141 } | |
| 1783 | 1142 } |
| 1143 | |
|
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|
1144 #if INCLUDE_ALL_GCS |
| 4838 | 1145 static void disable_adaptive_size_policy(const char* collector_name) { |
| 1146 if (UseAdaptiveSizePolicy) { | |
| 1147 if (FLAG_IS_CMDLINE(UseAdaptiveSizePolicy)) { | |
| 1148 warning("disabling UseAdaptiveSizePolicy; it is incompatible with %s.", | |
| 1149 collector_name); | |
| 1150 } | |
| 1151 FLAG_SET_DEFAULT(UseAdaptiveSizePolicy, false); | |
| 1152 } | |
| 1153 } | |
| 1154 | |
| 0 | 1155 void Arguments::set_parnew_gc_flags() { |
| 1064 | 1156 assert(!UseSerialGC && !UseParallelOldGC && !UseParallelGC && !UseG1GC, |
|
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|
1157 "control point invariant"); |
|
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|
1158 assert(UseParNewGC, "Error"); |
| 0 | 1159 |
| 4838 | 1160 // Turn off AdaptiveSizePolicy for parnew until it is complete. |
| 1161 disable_adaptive_size_policy("UseParNewGC"); | |
|
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1162 |
|
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1163 if (FLAG_IS_DEFAULT(ParallelGCThreads)) { |
|
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1164 FLAG_SET_DEFAULT(ParallelGCThreads, Abstract_VM_Version::parallel_worker_threads()); |
|
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1165 assert(ParallelGCThreads > 0, "We should always have at least one thread by default"); |
|
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1166 } else if (ParallelGCThreads == 0) { |
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1167 jio_fprintf(defaultStream::error_stream(), |
|
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1168 "The ParNew GC can not be combined with -XX:ParallelGCThreads=0\n"); |
|
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1169 vm_exit(1); |
|
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1170 } |
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1171 |
|
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1172 // By default YoungPLABSize and OldPLABSize are set to 4096 and 1024 respectively, |
|
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1173 // these settings are default for Parallel Scavenger. For ParNew+Tenured configuration |
|
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1174 // we set them to 1024 and 1024. |
|
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1175 // See CR 6362902. |
|
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1176 if (FLAG_IS_DEFAULT(YoungPLABSize)) { |
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1177 FLAG_SET_DEFAULT(YoungPLABSize, (intx)1024); |
| 0 | 1178 } |
|
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1179 if (FLAG_IS_DEFAULT(OldPLABSize)) { |
|
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1180 FLAG_SET_DEFAULT(OldPLABSize, (intx)1024); |
|
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1181 } |
|
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1182 |
|
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1183 // AlwaysTenure flag should make ParNew promote all at first collection. |
|
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1184 // See CR 6362902. |
|
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1185 if (AlwaysTenure) { |
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1186 FLAG_SET_CMDLINE(uintx, MaxTenuringThreshold, 0); |
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1187 } |
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1188 // When using compressed oops, we use local overflow stacks, |
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1189 // rather than using a global overflow list chained through |
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1190 // the klass word of the object's pre-image. |
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1191 if (UseCompressedOops && !ParGCUseLocalOverflow) { |
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1192 if (!FLAG_IS_DEFAULT(ParGCUseLocalOverflow)) { |
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1193 warning("Forcing +ParGCUseLocalOverflow: needed if using compressed references"); |
| 0 | 1194 } |
|
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1195 FLAG_SET_DEFAULT(ParGCUseLocalOverflow, true); |
| 0 | 1196 } |
|
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1197 assert(ParGCUseLocalOverflow || !UseCompressedOops, "Error"); |
| 0 | 1198 } |
| 1199 | |
| 1200 // Adjust some sizes to suit CMS and/or ParNew needs; these work well on | |
| 1201 // sparc/solaris for certain applications, but would gain from | |
| 1202 // further optimization and tuning efforts, and would almost | |
| 1203 // certainly gain from analysis of platform and environment. | |
| 1204 void Arguments::set_cms_and_parnew_gc_flags() { | |
| 1064 | 1205 assert(!UseSerialGC && !UseParallelOldGC && !UseParallelGC, "Error"); |
|
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1206 assert(UseConcMarkSweepGC, "CMS is expected to be on here"); |
|
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1207 |
| 0 | 1208 // If we are using CMS, we prefer to UseParNewGC, |
| 1209 // unless explicitly forbidden. | |
|
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1210 if (FLAG_IS_DEFAULT(UseParNewGC)) { |
|
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1211 FLAG_SET_ERGO(bool, UseParNewGC, true); |
| 0 | 1212 } |
| 1213 | |
|
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1214 // Turn off AdaptiveSizePolicy by default for cms until it is complete. |
| 4838 | 1215 disable_adaptive_size_policy("UseConcMarkSweepGC"); |
| 0 | 1216 |
| 1217 // In either case, adjust ParallelGCThreads and/or UseParNewGC | |
| 1218 // as needed. | |
|
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1219 if (UseParNewGC) { |
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1220 set_parnew_gc_flags(); |
| 0 | 1221 } |
| 1222 | |
|
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1223 size_t max_heap = align_size_down(MaxHeapSize, |
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1224 CardTableRS::ct_max_alignment_constraint()); |
|
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1225 |
| 0 | 1226 // Now make adjustments for CMS |
|
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1227 intx tenuring_default = (intx)6; |
|
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1228 size_t young_gen_per_worker = CMSYoungGenPerWorker; |
|
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1229 |
|
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1230 // Preferred young gen size for "short" pauses: |
|
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1231 // upper bound depends on # of threads and NewRatio. |
| 0 | 1232 const uintx parallel_gc_threads = |
| 1233 (ParallelGCThreads == 0 ? 1 : ParallelGCThreads); | |
| 1234 const size_t preferred_max_new_size_unaligned = | |
|
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1235 MIN2(max_heap/(NewRatio+1), ScaleForWordSize(young_gen_per_worker * parallel_gc_threads)); |
|
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1236 size_t preferred_max_new_size = |
| 0 | 1237 align_size_up(preferred_max_new_size_unaligned, os::vm_page_size()); |
| 1238 | |
| 1239 // Unless explicitly requested otherwise, size young gen | |
|
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1240 // for "short" pauses ~ CMSYoungGenPerWorker*ParallelGCThreads |
|
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1241 |
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1242 // If either MaxNewSize or NewRatio is set on the command line, |
|
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1243 // assume the user is trying to set the size of the young gen. |
|
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1244 if (FLAG_IS_DEFAULT(MaxNewSize) && FLAG_IS_DEFAULT(NewRatio)) { |
|
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1245 |
|
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1246 // Set MaxNewSize to our calculated preferred_max_new_size unless |
|
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1247 // NewSize was set on the command line and it is larger than |
|
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1248 // preferred_max_new_size. |
| 0 | 1249 if (!FLAG_IS_DEFAULT(NewSize)) { // NewSize explicitly set at command-line |
|
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1250 FLAG_SET_ERGO(uintx, MaxNewSize, MAX2(NewSize, preferred_max_new_size)); |
| 0 | 1251 } else { |
|
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1252 FLAG_SET_ERGO(uintx, MaxNewSize, preferred_max_new_size); |
| 0 | 1253 } |
| 1064 | 1254 if (PrintGCDetails && Verbose) { |
|
13
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1255 // Too early to use gclog_or_tty |
|
2368
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1256 tty->print_cr("CMS ergo set MaxNewSize: " SIZE_FORMAT, MaxNewSize); |
|
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1257 } |
|
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1258 |
|
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1259 // Code along this path potentially sets NewSize and OldSize |
| 1064 | 1260 if (PrintGCDetails && Verbose) { |
|
13
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1261 // Too early to use gclog_or_tty |
|
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1262 tty->print_cr("CMS set min_heap_size: " SIZE_FORMAT |
|
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1263 " initial_heap_size: " SIZE_FORMAT |
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1264 " max_heap: " SIZE_FORMAT, |
| 1064 | 1265 min_heap_size(), InitialHeapSize, max_heap); |
|
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1266 } |
|
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|
1267 size_t min_new = preferred_max_new_size; |
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1268 if (FLAG_IS_CMDLINE(NewSize)) { |
|
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|
1269 min_new = NewSize; |
|
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|
1270 } |
|
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|
1271 if (max_heap > min_new && min_heap_size() > min_new) { |
| 0 | 1272 // Unless explicitly requested otherwise, make young gen |
| 1273 // at least min_new, and at most preferred_max_new_size. | |
| 1274 if (FLAG_IS_DEFAULT(NewSize)) { | |
|
13
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|
1275 FLAG_SET_ERGO(uintx, NewSize, MAX2(NewSize, min_new)); |
|
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|
1276 FLAG_SET_ERGO(uintx, NewSize, MIN2(preferred_max_new_size, NewSize)); |
| 1064 | 1277 if (PrintGCDetails && Verbose) { |
|
13
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|
1278 // Too early to use gclog_or_tty |
|
2368
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|
1279 tty->print_cr("CMS ergo set NewSize: " SIZE_FORMAT, NewSize); |
|
13
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1280 } |
| 0 | 1281 } |
| 1282 // Unless explicitly requested otherwise, size old gen | |
|
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1283 // so it's NewRatio x of NewSize. |
| 0 | 1284 if (FLAG_IS_DEFAULT(OldSize)) { |
| 1285 if (max_heap > NewSize) { | |
|
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|
1286 FLAG_SET_ERGO(uintx, OldSize, MIN2(NewRatio*NewSize, max_heap - NewSize)); |
| 1064 | 1287 if (PrintGCDetails && Verbose) { |
|
13
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|
1288 // Too early to use gclog_or_tty |
|
2368
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|
1289 tty->print_cr("CMS ergo set OldSize: " SIZE_FORMAT, OldSize); |
|
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1290 } |
| 0 | 1291 } |
| 1292 } | |
| 1293 } | |
| 1294 } | |
| 1295 // Unless explicitly requested otherwise, definitely | |
| 1296 // promote all objects surviving "tenuring_default" scavenges. | |
| 1297 if (FLAG_IS_DEFAULT(MaxTenuringThreshold) && | |
| 1298 FLAG_IS_DEFAULT(SurvivorRatio)) { | |
| 6818 | 1299 FLAG_SET_ERGO(uintx, MaxTenuringThreshold, tenuring_default); |
| 0 | 1300 } |
| 1301 // If we decided above (or user explicitly requested) | |
| 1302 // `promote all' (via MaxTenuringThreshold := 0), | |
| 1303 // prefer minuscule survivor spaces so as not to waste | |
| 1304 // space for (non-existent) survivors | |
| 1305 if (FLAG_IS_DEFAULT(SurvivorRatio) && MaxTenuringThreshold == 0) { | |
| 8035 | 1306 FLAG_SET_ERGO(uintx, SurvivorRatio, MAX2((uintx)1024, SurvivorRatio)); |
| 0 | 1307 } |
| 1308 // If OldPLABSize is set and CMSParPromoteBlocksToClaim is not, | |
| 1309 // set CMSParPromoteBlocksToClaim equal to OldPLABSize. | |
| 1310 // This is done in order to make ParNew+CMS configuration to work | |
| 1311 // with YoungPLABSize and OldPLABSize options. | |
| 1312 // See CR 6362902. | |
| 1313 if (!FLAG_IS_DEFAULT(OldPLABSize)) { | |
| 1314 if (FLAG_IS_DEFAULT(CMSParPromoteBlocksToClaim)) { | |
|
13
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1315 // OldPLABSize is not the default value but CMSParPromoteBlocksToClaim |
|
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1316 // is. In this situtation let CMSParPromoteBlocksToClaim follow |
|
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1317 // the value (either from the command line or ergonomics) of |
|
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1318 // OldPLABSize. Following OldPLABSize is an ergonomics decision. |
|
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1319 FLAG_SET_ERGO(uintx, CMSParPromoteBlocksToClaim, OldPLABSize); |
|
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1320 } else { |
| 0 | 1321 // OldPLABSize and CMSParPromoteBlocksToClaim are both set. |
| 1322 // CMSParPromoteBlocksToClaim is a collector-specific flag, so | |
| 1323 // we'll let it to take precedence. | |
| 1324 jio_fprintf(defaultStream::error_stream(), | |
|
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1325 "Both OldPLABSize and CMSParPromoteBlocksToClaim" |
|
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1326 " options are specified for the CMS collector." |
|
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1327 " CMSParPromoteBlocksToClaim will take precedence.\n"); |
| 0 | 1328 } |
| 1329 } | |
|
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1330 if (!FLAG_IS_DEFAULT(ResizeOldPLAB) && !ResizeOldPLAB) { |
|
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1331 // OldPLAB sizing manually turned off: Use a larger default setting, |
|
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1332 // unless it was manually specified. This is because a too-low value |
|
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1333 // will slow down scavenges. |
|
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|
1334 if (FLAG_IS_DEFAULT(CMSParPromoteBlocksToClaim)) { |
|
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1335 FLAG_SET_ERGO(uintx, CMSParPromoteBlocksToClaim, 50); // default value before 6631166 |
|
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1336 } |
|
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1337 } |
|
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1338 // Overwrite OldPLABSize which is the variable we will internally use everywhere. |
|
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|
1339 FLAG_SET_ERGO(uintx, OldPLABSize, CMSParPromoteBlocksToClaim); |
|
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1340 // If either of the static initialization defaults have changed, note this |
|
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1341 // modification. |
|
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1342 if (!FLAG_IS_DEFAULT(CMSParPromoteBlocksToClaim) || !FLAG_IS_DEFAULT(OldPLABWeight)) { |
|
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|
1343 CFLS_LAB::modify_initialization(OldPLABSize, OldPLABWeight); |
|
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1344 } |
| 1284 | 1345 if (PrintGCDetails && Verbose) { |
| 1346 tty->print_cr("MarkStackSize: %uk MarkStackSizeMax: %uk", | |
|
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1347 (unsigned int) (MarkStackSize / K), (uint) (MarkStackSizeMax / K)); |
|
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1348 tty->print_cr("ConcGCThreads: %u", (uint) ConcGCThreads); |
| 1284 | 1349 } |
| 0 | 1350 } |
|
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1351 #endif // INCLUDE_ALL_GCS |
| 0 | 1352 |
|
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|
1353 void set_object_alignment() { |
|
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1354 // Object alignment. |
|
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1355 assert(is_power_of_2(ObjectAlignmentInBytes), "ObjectAlignmentInBytes must be power of 2"); |
|
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|
1356 MinObjAlignmentInBytes = ObjectAlignmentInBytes; |
|
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1357 assert(MinObjAlignmentInBytes >= HeapWordsPerLong * HeapWordSize, "ObjectAlignmentInBytes value is too small"); |
|
2d127394260e
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|
1358 MinObjAlignment = MinObjAlignmentInBytes / HeapWordSize; |
|
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|
1359 assert(MinObjAlignmentInBytes == MinObjAlignment * HeapWordSize, "ObjectAlignmentInBytes value is incorrect"); |
|
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1360 MinObjAlignmentInBytesMask = MinObjAlignmentInBytes - 1; |
|
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|
1361 |
|
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1362 LogMinObjAlignmentInBytes = exact_log2(ObjectAlignmentInBytes); |
|
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1363 LogMinObjAlignment = LogMinObjAlignmentInBytes - LogHeapWordSize; |
|
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|
1364 |
|
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|
1365 // Oop encoding heap max |
|
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|
1366 OopEncodingHeapMax = (uint64_t(max_juint) + 1) << LogMinObjAlignmentInBytes; |
|
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|
1367 |
|
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
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|
1368 #if INCLUDE_ALL_GCS |
|
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|
1369 // Set CMS global values |
|
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|
1370 CompactibleFreeListSpace::set_cms_values(); |
|
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|
1371 #endif // INCLUDE_ALL_GCS |
|
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1372 } |
|
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|
1373 |
|
2d127394260e
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|
1374 bool verify_object_alignment() { |
|
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|
1375 // Object alignment. |
|
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1376 if (!is_power_of_2(ObjectAlignmentInBytes)) { |
|
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|
1377 jio_fprintf(defaultStream::error_stream(), |
|
1829
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|
1378 "error: ObjectAlignmentInBytes=%d must be power of 2\n", |
|
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|
1379 (int)ObjectAlignmentInBytes); |
|
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1380 return false; |
|
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|
1381 } |
|
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|
1382 if ((int)ObjectAlignmentInBytes < BytesPerLong) { |
|
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|
1383 jio_fprintf(defaultStream::error_stream(), |
|
1829
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|
1384 "error: ObjectAlignmentInBytes=%d must be greater or equal %d\n", |
|
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|
1385 (int)ObjectAlignmentInBytes, BytesPerLong); |
|
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|
1386 return false; |
|
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|
1387 } |
|
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|
1388 // It does not make sense to have big object alignment |
|
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changeset
|
1389 // since a space lost due to alignment will be greater |
|
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|
1390 // then a saved space from compressed oops. |
|
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|
1391 if ((int)ObjectAlignmentInBytes > 256) { |
|
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|
1392 jio_fprintf(defaultStream::error_stream(), |
|
7461
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|
1393 "error: ObjectAlignmentInBytes=%d must not be greater than 256\n", |
|
1829
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|
1394 (int)ObjectAlignmentInBytes); |
|
fe08403130db
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|
1395 return false; |
|
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|
1396 } |
|
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|
1397 // In case page size is very small. |
|
fe08403130db
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|
1398 if ((int)ObjectAlignmentInBytes >= os::vm_page_size()) { |
|
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|
1399 jio_fprintf(defaultStream::error_stream(), |
|
7461
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|
1400 "error: ObjectAlignmentInBytes=%d must be less than page size %d\n", |
|
1829
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|
1401 (int)ObjectAlignmentInBytes, os::vm_page_size()); |
|
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1402 return false; |
|
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|
1403 } |
|
20317
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|
1404 if(SurvivorAlignmentInBytes == 0) { |
|
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|
1405 SurvivorAlignmentInBytes = ObjectAlignmentInBytes; |
|
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|
1406 } else { |
|
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|
1407 if (!is_power_of_2(SurvivorAlignmentInBytes)) { |
|
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|
1408 jio_fprintf(defaultStream::error_stream(), |
|
ee019285a52c
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|
1409 "error: SurvivorAlignmentInBytes=%d must be power of 2\n", |
|
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|
1410 (int)SurvivorAlignmentInBytes); |
|
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|
1411 return false; |
|
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|
1412 } |
|
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|
1413 if (SurvivorAlignmentInBytes < ObjectAlignmentInBytes) { |
|
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|
1414 jio_fprintf(defaultStream::error_stream(), |
|
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|
1415 "error: SurvivorAlignmentInBytes=%d must be greater than ObjectAlignmentInBytes=%d \n", |
|
ee019285a52c
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|
1416 (int)SurvivorAlignmentInBytes, (int)ObjectAlignmentInBytes); |
|
ee019285a52c
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|
1417 return false; |
|
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|
1418 } |
|
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|
1419 } |
|
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|
1420 return true; |
|
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|
1421 } |
|
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|
1422 |
|
20220
d15367d92f0d
8043723: max_heap_for_compressed_oops() declared with size_t, but defined with uintx
tschatzl
parents:
17937
diff
changeset
|
1423 size_t Arguments::max_heap_for_compressed_oops() { |
| 1963 | 1424 // Avoid sign flip. |
|
12056
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
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12003
diff
changeset
|
1425 assert(OopEncodingHeapMax > (uint64_t)os::vm_page_size(), "Unusual page size"); |
|
12233
40136aa2cdb1
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|
1426 // We need to fit both the NULL page and the heap into the memory budget, while |
|
40136aa2cdb1
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|
1427 // keeping alignment constraints of the heap. To guarantee the latter, as the |
|
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
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diff
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|
1428 // NULL page is located before the heap, we pad the NULL page to the conservative |
|
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
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|
1429 // maximum alignment that the GC may ever impose upon the heap. |
|
40136aa2cdb1
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|
1430 size_t displacement_due_to_null_page = align_size_up_(os::vm_page_size(), |
|
13059
46d7652b223c
8026853: Prepare GC code for collector policy regression fix
jwilhelm
parents:
13008
diff
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|
1431 _conservative_max_heap_alignment); |
|
12233
40136aa2cdb1
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|
1432 |
|
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
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|
1433 LP64_ONLY(return OopEncodingHeapMax - displacement_due_to_null_page); |
| 1064 | 1434 NOT_LP64(ShouldNotReachHere(); return 0); |
|
135
b7268662a986
6689523: max heap calculation for compressed oops is off by MaxPermSize
coleenp
parents:
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diff
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|
1435 } |
|
b7268662a986
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|
1436 |
| 0 | 1437 bool Arguments::should_auto_select_low_pause_collector() { |
| 1438 if (UseAutoGCSelectPolicy && | |
| 1439 !FLAG_IS_DEFAULT(MaxGCPauseMillis) && | |
| 1440 (MaxGCPauseMillis <= AutoGCSelectPauseMillis)) { | |
| 1441 if (PrintGCDetails) { | |
| 1442 // Cannot use gclog_or_tty yet. | |
| 1443 tty->print_cr("Automatic selection of the low pause collector" | |
|
17937
78bbf4d43a14
8037816: Fix for 8036122 breaks build with Xcode5/clang
drchase
parents:
17906
diff
changeset
|
1444 " based on pause goal of %d (ms)", (int) MaxGCPauseMillis); |
| 0 | 1445 } |
| 1446 return true; | |
| 1447 } | |
| 1448 return false; | |
| 1449 } | |
| 1450 | |
|
8741
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
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diff
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|
1451 void Arguments::set_use_compressed_oops() { |
|
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
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|
1452 #ifndef ZERO |
|
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
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changeset
|
1453 #ifdef _LP64 |
|
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
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diff
changeset
|
1454 // MaxHeapSize is not set up properly at this point, but |
|
eac371996b44
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parents:
8734
diff
changeset
|
1455 // the only value that can override MaxHeapSize if we are |
|
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
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parents:
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diff
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|
1456 // to use UseCompressedOops is InitialHeapSize. |
|
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
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diff
changeset
|
1457 size_t max_heap_size = MAX2(MaxHeapSize, InitialHeapSize); |
|
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
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|
1458 |
|
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
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diff
changeset
|
1459 if (max_heap_size <= max_heap_for_compressed_oops()) { |
|
eac371996b44
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diff
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|
1460 #if !defined(COMPILER1) || defined(TIERED) |
|
eac371996b44
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diff
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|
1461 if (FLAG_IS_DEFAULT(UseCompressedOops)) { |
|
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
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diff
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|
1462 FLAG_SET_ERGO(bool, UseCompressedOops, true); |
|
eac371996b44
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brutisso
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|
1463 } |
|
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
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diff
changeset
|
1464 #endif |
|
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8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
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diff
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|
1465 #ifdef _WIN64 |
|
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
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8734
diff
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|
1466 if (UseLargePages && UseCompressedOops) { |
|
eac371996b44
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diff
changeset
|
1467 // Cannot allocate guard pages for implicit checks in indexed addressing |
|
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
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diff
changeset
|
1468 // mode, when large pages are specified on windows. |
|
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
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diff
changeset
|
1469 // This flag could be switched ON if narrow oop base address is set to 0, |
|
eac371996b44
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diff
changeset
|
1470 // see code in Universe::initialize_heap(). |
|
eac371996b44
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diff
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|
1471 Universe::set_narrow_oop_use_implicit_null_checks(false); |
|
eac371996b44
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|
1472 } |
|
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
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|
1473 #endif // _WIN64 |
|
eac371996b44
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|
1474 } else { |
|
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
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8734
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changeset
|
1475 if (UseCompressedOops && !FLAG_IS_DEFAULT(UseCompressedOops)) { |
|
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1476 warning("Max heap size too large for Compressed Oops"); |
|
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1477 FLAG_SET_DEFAULT(UseCompressedOops, false); |
|
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1478 FLAG_SET_DEFAULT(UseCompressedClassPointers, false); |
|
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1479 } |
|
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1480 } |
|
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1481 #endif // _LP64 |
|
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1482 #endif // ZERO |
|
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|
1483 } |
|
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|
1484 |
|
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1485 |
|
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|
1486 // NOTE: set_use_compressed_klass_ptrs() must be called after calling |
|
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|
1487 // set_use_compressed_oops(). |
|
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|
1488 void Arguments::set_use_compressed_klass_ptrs() { |
|
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|
1489 #ifndef ZERO |
|
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|
1490 #ifdef _LP64 |
|
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|
1491 // UseCompressedOops must be on for UseCompressedClassPointers to be on. |
|
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1492 if (!UseCompressedOops) { |
|
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|
1493 if (UseCompressedClassPointers) { |
|
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|
1494 warning("UseCompressedClassPointers requires UseCompressedOops"); |
|
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|
1495 } |
|
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|
1496 FLAG_SET_DEFAULT(UseCompressedClassPointers, false); |
|
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1497 } else { |
|
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1498 // Turn on UseCompressedClassPointers too |
|
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|
1499 if (FLAG_IS_DEFAULT(UseCompressedClassPointers)) { |
|
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|
1500 FLAG_SET_ERGO(bool, UseCompressedClassPointers, true); |
|
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1501 } |
|
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|
1502 // Check the CompressedClassSpaceSize to make sure we use compressed klass ptrs. |
|
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|
1503 if (UseCompressedClassPointers) { |
|
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|
1504 if (CompressedClassSpaceSize > KlassEncodingMetaspaceMax) { |
|
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|
1505 warning("CompressedClassSpaceSize is too large for UseCompressedClassPointers"); |
|
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|
1506 FLAG_SET_DEFAULT(UseCompressedClassPointers, false); |
|
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|
1507 } |
|
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|
1508 } |
|
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|
1509 } |
|
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|
1510 #endif // _LP64 |
|
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|
1511 #endif // !ZERO |
|
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|
1512 } |
|
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|
1513 |
|
12233
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|
1514 void Arguments::set_conservative_max_heap_alignment() { |
|
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|
1515 // The conservative maximum required alignment for the heap is the maximum of |
|
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|
1516 // the alignments imposed by several sources: any requirements from the heap |
|
40136aa2cdb1
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|
1517 // itself, the collector policy and the maximum page size we may run the VM |
|
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|
1518 // with. |
|
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|
1519 size_t heap_alignment = GenCollectedHeap::conservative_max_heap_alignment(); |
|
40136aa2cdb1
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|
1520 #if INCLUDE_ALL_GCS |
|
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|
1521 if (UseParallelGC) { |
|
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|
1522 heap_alignment = ParallelScavengeHeap::conservative_max_heap_alignment(); |
|
40136aa2cdb1
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|
1523 } else if (UseG1GC) { |
|
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|
1524 heap_alignment = G1CollectedHeap::conservative_max_heap_alignment(); |
|
40136aa2cdb1
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|
1525 } |
|
40136aa2cdb1
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|
1526 #endif // INCLUDE_ALL_GCS |
|
20294
dd219eaec9cc
8048088: Conservative maximum heap alignment should take vm_allocation_granularity into account
tschatzl
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|
1527 _conservative_max_heap_alignment = MAX4(heap_alignment, |
|
dd219eaec9cc
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|
1528 (size_t)os::vm_allocation_granularity(), |
|
dd219eaec9cc
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|
1529 os::max_page_size(), |
|
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|
1530 CollectorPolicy::compute_heap_alignment()); |
|
12233
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|
1531 } |
|
40136aa2cdb1
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|
1532 |
| 0 | 1533 void Arguments::set_ergonomics_flags() { |
| 1534 | |
| 4946 | 1535 if (os::is_server_class_machine()) { |
| 0 | 1536 // If no other collector is requested explicitly, |
| 1537 // let the VM select the collector based on | |
| 1538 // machine class and automatic selection policy. | |
| 1539 if (!UseSerialGC && | |
| 1540 !UseConcMarkSweepGC && | |
|
342
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|
1541 !UseG1GC && |
| 0 | 1542 !UseParNewGC && |
| 1543 FLAG_IS_DEFAULT(UseParallelGC)) { | |
| 1544 if (should_auto_select_low_pause_collector()) { | |
| 1545 FLAG_SET_ERGO(bool, UseConcMarkSweepGC, true); | |
| 1546 } else { | |
| 1547 FLAG_SET_ERGO(bool, UseParallelGC, true); | |
| 1548 } | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
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6628
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|
1549 } |
| 0 | 1550 } |
|
12280
9ed97b511b26
8024517: runtime/CDSCompressedKPtrs/XShareAuto.java failed with RuntimeException
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12276
diff
changeset
|
1551 #ifdef COMPILER2 |
|
9ed97b511b26
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changeset
|
1552 // 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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diff
changeset
|
1553 // to be disabled, which hurts interpreter performance and decreases |
|
9ed97b511b26
8024517: runtime/CDSCompressedKPtrs/XShareAuto.java failed with RuntimeException
hseigel
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diff
changeset
|
1554 // server performance. When -server is specified, keep the default off |
|
9ed97b511b26
8024517: runtime/CDSCompressedKPtrs/XShareAuto.java failed with RuntimeException
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diff
changeset
|
1555 // unless it is asked for. Future work: either add bytecode rewriting |
|
9ed97b511b26
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hseigel
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12276
diff
changeset
|
1556 // at link time, or rewrite bytecodes in non-shared methods. |
|
9ed97b511b26
8024517: runtime/CDSCompressedKPtrs/XShareAuto.java failed with RuntimeException
hseigel
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diff
changeset
|
1557 if (!DumpSharedSpaces && !RequireSharedSpaces && |
|
9ed97b511b26
8024517: runtime/CDSCompressedKPtrs/XShareAuto.java failed with RuntimeException
hseigel
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12276
diff
changeset
|
1558 (FLAG_IS_DEFAULT(UseSharedSpaces) || !UseSharedSpaces)) { |
|
20375
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
1559 no_shared_spaces("COMPILER2 default: -Xshare:auto | off, have to manually setup to on."); |
|
12280
9ed97b511b26
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|
1560 } |
|
9ed97b511b26
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|
1561 #endif |
|
113
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|
1562 |
|
12233
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|
1563 set_conservative_max_heap_alignment(); |
|
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|
1564 |
| 1010 | 1565 #ifndef ZERO |
|
113
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|
1566 #ifdef _LP64 |
|
8741
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|
1567 set_use_compressed_oops(); |
|
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|
1568 |
|
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|
1569 // set_use_compressed_klass_ptrs() must be called after calling |
|
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|
1570 // set_use_compressed_oops(). |
|
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|
1571 set_use_compressed_klass_ptrs(); |
|
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|
1572 |
|
113
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|
1573 // Also checks that certain machines are slower with compressed oops |
|
ba764ed4b6f2
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|
1574 // in vm_version initialization code. |
|
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|
1575 #endif // _LP64 |
| 1010 | 1576 #endif // !ZERO |
| 0 | 1577 } |
| 1578 | |
| 1579 void Arguments::set_parallel_gc_flags() { | |
|
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|
1580 assert(UseParallelGC || UseParallelOldGC, "Error"); |
| 4879 | 1581 // Enable ParallelOld unless it was explicitly disabled (cmd line or rc file). |
| 1582 if (FLAG_IS_DEFAULT(UseParallelOldGC)) { | |
| 1583 FLAG_SET_DEFAULT(UseParallelOldGC, true); | |
| 0 | 1584 } |
| 4879 | 1585 FLAG_SET_DEFAULT(UseParallelGC, true); |
| 0 | 1586 |
| 1587 // If no heap maximum was requested explicitly, use some reasonable fraction | |
| 1588 // of the physical memory, up to a maximum of 1GB. | |
|
7471
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|
1589 FLAG_SET_DEFAULT(ParallelGCThreads, |
|
4c8bf5e55392
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|
1590 Abstract_VM_Version::parallel_worker_threads()); |
|
4c8bf5e55392
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|
1591 if (ParallelGCThreads == 0) { |
|
4c8bf5e55392
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7453
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changeset
|
1592 jio_fprintf(defaultStream::error_stream(), |
|
4c8bf5e55392
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|
1593 "The Parallel GC can not be combined with -XX:ParallelGCThreads=0\n"); |
|
4c8bf5e55392
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|
1594 vm_exit(1); |
|
4c8bf5e55392
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|
1595 } |
|
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|
1596 |
|
17648
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|
1597 if (UseAdaptiveSizePolicy) { |
|
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|
1598 // We don't want to limit adaptive heap sizing's freedom to adjust the heap |
|
a034dc5e910b
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|
1599 // unless the user actually sets these flags. |
|
a034dc5e910b
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|
1600 if (FLAG_IS_DEFAULT(MinHeapFreeRatio)) { |
|
a034dc5e910b
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|
1601 FLAG_SET_DEFAULT(MinHeapFreeRatio, 0); |
|
a034dc5e910b
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|
1602 } |
|
a034dc5e910b
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|
1603 if (FLAG_IS_DEFAULT(MaxHeapFreeRatio)) { |
|
a034dc5e910b
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17628
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|
1604 FLAG_SET_DEFAULT(MaxHeapFreeRatio, 100); |
|
a034dc5e910b
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|
1605 } |
|
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|
1606 } |
|
7471
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|
1607 |
|
4c8bf5e55392
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|
1608 // If InitialSurvivorRatio or MinSurvivorRatio were not specified, but the |
|
4c8bf5e55392
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|
1609 // SurvivorRatio has been set, reset their default values to SurvivorRatio + |
|
4c8bf5e55392
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changeset
|
1610 // 2. By doing this we make SurvivorRatio also work for Parallel Scavenger. |
|
4c8bf5e55392
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|
1611 // See CR 6362902 for details. |
|
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
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diff
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|
1612 if (!FLAG_IS_DEFAULT(SurvivorRatio)) { |
|
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
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7453
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|
1613 if (FLAG_IS_DEFAULT(InitialSurvivorRatio)) { |
|
4c8bf5e55392
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|
1614 FLAG_SET_DEFAULT(InitialSurvivorRatio, SurvivorRatio + 2); |
| 0 | 1615 } |
|
7471
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1616 if (FLAG_IS_DEFAULT(MinSurvivorRatio)) { |
|
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1617 FLAG_SET_DEFAULT(MinSurvivorRatio, SurvivorRatio + 2); |
|
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|
1618 } |
|
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1619 } |
|
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|
1620 |
|
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|
1621 if (UseParallelOldGC) { |
|
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|
1622 // Par compact uses lower default values since they are treated as |
|
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|
1623 // minimums. These are different defaults because of the different |
|
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|
1624 // interpretation and are not ergonomically set. |
|
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|
1625 if (FLAG_IS_DEFAULT(MarkSweepDeadRatio)) { |
|
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1626 FLAG_SET_DEFAULT(MarkSweepDeadRatio, 1); |
| 0 | 1627 } |
| 1628 } | |
| 1629 } | |
| 1630 | |
|
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1631 void Arguments::set_g1_gc_flags() { |
|
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1632 assert(UseG1GC, "Error"); |
|
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|
1633 #ifdef COMPILER1 |
|
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|
1634 FastTLABRefill = false; |
|
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|
1635 #endif |
|
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1636 FLAG_SET_DEFAULT(ParallelGCThreads, |
|
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1637 Abstract_VM_Version::parallel_worker_threads()); |
|
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1638 if (ParallelGCThreads == 0) { |
|
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|
1639 FLAG_SET_DEFAULT(ParallelGCThreads, |
| 751 | 1640 Abstract_VM_Version::parallel_worker_threads()); |
|
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1641 } |
| 751 | 1642 |
|
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|
1643 // MarkStackSize will be set (if it hasn't been set by the user) |
|
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1644 // when concurrent marking is initialized. |
|
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1645 // Its value will be based upon the number of parallel marking threads. |
|
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1646 // But we do set the maximum mark stack size here. |
|
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|
1647 if (FLAG_IS_DEFAULT(MarkStackSizeMax)) { |
|
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|
1648 FLAG_SET_DEFAULT(MarkStackSizeMax, 128 * TASKQUEUE_SIZE); |
| 1284 | 1649 } |
| 1356 | 1650 |
| 1651 if (FLAG_IS_DEFAULT(GCTimeRatio) || GCTimeRatio == 0) { | |
| 1652 // In G1, we want the default GC overhead goal to be higher than | |
| 1653 // say in PS. So we set it here to 10%. Otherwise the heap might | |
| 1654 // be expanded more aggressively than we would like it to. In | |
| 1655 // fact, even 10% seems to not be high enough in some cases | |
| 1656 // (especially small GC stress tests that the main thing they do | |
| 1657 // is allocation). We might consider increase it further. | |
| 1658 FLAG_SET_DEFAULT(GCTimeRatio, 9); | |
| 1659 } | |
|
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|
1660 |
|
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|
1661 if (PrintGCDetails && Verbose) { |
|
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|
1662 tty->print_cr("MarkStackSize: %uk MarkStackSizeMax: %uk", |
|
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|
1663 (unsigned int) (MarkStackSize / K), (uint) (MarkStackSizeMax / K)); |
|
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|
1664 tty->print_cr("ConcGCThreads: %u", (uint) ConcGCThreads); |
|
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|
1665 } |
|
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|
1666 } |
|
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|
1667 |
|
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|
1668 julong Arguments::limit_by_allocatable_memory(julong limit) { |
|
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|
1669 julong max_allocatable; |
|
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|
1670 julong result = limit; |
|
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|
1671 if (os::has_allocatable_memory_limit(&max_allocatable)) { |
|
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|
1672 result = MIN2(result, max_allocatable / MaxVirtMemFraction); |
|
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|
1673 } |
|
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|
1674 return result; |
|
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|
1675 } |
|
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|
1676 |
| 1064 | 1677 void Arguments::set_heap_size() { |
| 1678 if (!FLAG_IS_DEFAULT(DefaultMaxRAMFraction)) { | |
| 1679 // Deprecated flag | |
| 1680 FLAG_SET_CMDLINE(uintx, MaxRAMFraction, DefaultMaxRAMFraction); | |
| 1681 } | |
| 1682 | |
| 1683 const julong phys_mem = | |
| 1684 FLAG_IS_DEFAULT(MaxRAM) ? MIN2(os::physical_memory(), (julong)MaxRAM) | |
| 1685 : (julong)MaxRAM; | |
| 1686 | |
| 1687 // If the maximum heap size has not been set with -Xmx, | |
| 1688 // then set it as fraction of the size of physical memory, | |
| 1689 // respecting the maximum and minimum sizes of the heap. | |
|
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|
1690 if (FLAG_IS_DEFAULT(MaxHeapSize)) { |
| 1064 | 1691 julong reasonable_max = phys_mem / MaxRAMFraction; |
| 1692 | |
| 1693 if (phys_mem <= MaxHeapSize * MinRAMFraction) { | |
| 1694 // Small physical memory, so use a minimum fraction of it for the heap | |
| 1695 reasonable_max = phys_mem / MinRAMFraction; | |
| 1696 } else { | |
| 1697 // Not-small physical memory, so require a heap at least | |
| 1698 // as large as MaxHeapSize | |
| 1699 reasonable_max = MAX2(reasonable_max, (julong)MaxHeapSize); | |
| 1700 } | |
| 1701 if (!FLAG_IS_DEFAULT(ErgoHeapSizeLimit) && ErgoHeapSizeLimit != 0) { | |
| 1702 // Limit the heap size to ErgoHeapSizeLimit | |
| 1703 reasonable_max = MIN2(reasonable_max, (julong)ErgoHeapSizeLimit); | |
|
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|
1704 } |
| 1064 | 1705 if (UseCompressedOops) { |
| 1706 // Limit the heap size to the maximum possible when using compressed oops | |
| 1963 | 1707 julong max_coop_heap = (julong)max_heap_for_compressed_oops(); |
| 1708 if (HeapBaseMinAddress + MaxHeapSize < max_coop_heap) { | |
| 1709 // Heap should be above HeapBaseMinAddress to get zero based compressed oops | |
| 1710 // but it should be not less than default MaxHeapSize. | |
| 1711 max_coop_heap -= HeapBaseMinAddress; | |
| 1712 } | |
| 1713 reasonable_max = MIN2(reasonable_max, max_coop_heap); | |
| 1064 | 1714 } |
|
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|
1715 reasonable_max = limit_by_allocatable_memory(reasonable_max); |
| 1064 | 1716 |
| 1717 if (!FLAG_IS_DEFAULT(InitialHeapSize)) { | |
| 1718 // An initial heap size was specified on the command line, | |
| 1719 // so be sure that the maximum size is consistent. Done | |
|
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|
1720 // after call to limit_by_allocatable_memory because that |
| 1064 | 1721 // method might reduce the allocation size. |
| 1722 reasonable_max = MAX2(reasonable_max, (julong)InitialHeapSize); | |
| 1723 } | |
| 1724 | |
|
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|
1725 if (PrintGCDetails && Verbose) { |
|
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|
1726 // Cannot use gclog_or_tty yet. |
|
17937
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|
1727 tty->print_cr(" Maximum heap size " SIZE_FORMAT, (size_t) reasonable_max); |
|
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|
1728 } |
| 1064 | 1729 FLAG_SET_ERGO(uintx, MaxHeapSize, (uintx)reasonable_max); |
| 1730 } | |
| 1731 | |
|
10241
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|
1732 // If the minimum or initial heap_size have not been set or requested to be set |
|
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|
1733 // ergonomically, set them accordingly. |
|
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|
1734 if (InitialHeapSize == 0 || min_heap_size() == 0) { |
|
1074
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|
1735 julong reasonable_minimum = (julong)(OldSize + NewSize); |
|
84cb6f20afb3
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|
1736 |
|
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|
1737 reasonable_minimum = MIN2(reasonable_minimum, (julong)MaxHeapSize); |
|
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|
1738 |
|
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|
1739 reasonable_minimum = limit_by_allocatable_memory(reasonable_minimum); |
|
1074
84cb6f20afb3
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|
1740 |
|
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|
1741 if (InitialHeapSize == 0) { |
|
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|
1742 julong reasonable_initial = phys_mem / InitialRAMFraction; |
|
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|
1743 |
|
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|
1744 reasonable_initial = MAX3(reasonable_initial, reasonable_minimum, (julong)min_heap_size()); |
|
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|
1745 reasonable_initial = MIN2(reasonable_initial, (julong)MaxHeapSize); |
|
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|
1746 |
|
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|
1747 reasonable_initial = limit_by_allocatable_memory(reasonable_initial); |
|
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|
1748 |
|
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|
1749 if (PrintGCDetails && Verbose) { |
|
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|
1750 // Cannot use gclog_or_tty yet. |
|
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|
1751 tty->print_cr(" Initial heap size " SIZE_FORMAT, (uintx)reasonable_initial); |
|
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|
1752 } |
|
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|
1753 FLAG_SET_ERGO(uintx, InitialHeapSize, (uintx)reasonable_initial); |
|
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|
1754 } |
|
10241
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|
1755 // If the minimum heap size has not been set (via -Xms), |
|
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|
1756 // synchronize with InitialHeapSize to avoid errors with the default value. |
|
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|
1757 if (min_heap_size() == 0) { |
|
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|
1758 set_min_heap_size(MIN2((uintx)reasonable_minimum, InitialHeapSize)); |
|
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|
1759 if (PrintGCDetails && Verbose) { |
|
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|
1760 // Cannot use gclog_or_tty yet. |
|
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|
1761 tty->print_cr(" Minimum heap size " SIZE_FORMAT, min_heap_size()); |
|
d17700c82d7d
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|
1762 } |
|
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|
1763 } |
|
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|
1764 } |
|
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|
1765 } |
|
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|
1766 |
| 0 | 1767 // This must be called after ergonomics because we want bytecode rewriting |
| 1768 // if the server compiler is used, or if UseSharedSpaces is disabled. | |
| 1769 void Arguments::set_bytecode_flags() { | |
| 1770 // Better not attempt to store into a read-only space. | |
| 1771 if (UseSharedSpaces) { | |
| 1772 FLAG_SET_DEFAULT(RewriteBytecodes, false); | |
| 1773 FLAG_SET_DEFAULT(RewriteFrequentPairs, false); | |
| 1774 } | |
| 1775 | |
| 1776 if (!RewriteBytecodes) { | |
| 1777 FLAG_SET_DEFAULT(RewriteFrequentPairs, false); | |
| 1778 } | |
| 1779 } | |
| 1780 | |
| 1781 // Aggressive optimization flags -XX:+AggressiveOpts | |
| 1782 void Arguments::set_aggressive_opts_flags() { | |
|
17
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|
1783 #ifdef COMPILER2 |
| 10278 | 1784 if (AggressiveUnboxing) { |
| 1785 if (FLAG_IS_DEFAULT(EliminateAutoBox)) { | |
| 1786 FLAG_SET_DEFAULT(EliminateAutoBox, true); | |
| 1787 } else if (!EliminateAutoBox) { | |
| 1788 // warning("AggressiveUnboxing is disabled because EliminateAutoBox is disabled"); | |
| 1789 AggressiveUnboxing = false; | |
| 1790 } | |
| 1791 if (FLAG_IS_DEFAULT(DoEscapeAnalysis)) { | |
| 1792 FLAG_SET_DEFAULT(DoEscapeAnalysis, true); | |
| 1793 } else if (!DoEscapeAnalysis) { | |
| 1794 // warning("AggressiveUnboxing is disabled because DoEscapeAnalysis is disabled"); | |
| 1795 AggressiveUnboxing = false; | |
| 1796 } | |
| 1797 } | |
|
17
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|
1798 if (AggressiveOpts || !FLAG_IS_DEFAULT(AutoBoxCacheMax)) { |
|
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|
1799 if (FLAG_IS_DEFAULT(EliminateAutoBox)) { |
|
ff5961f4c095
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|
1800 FLAG_SET_DEFAULT(EliminateAutoBox, true); |
|
ff5961f4c095
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|
1801 } |
|
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|
1802 if (FLAG_IS_DEFAULT(AutoBoxCacheMax)) { |
|
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|
1803 FLAG_SET_DEFAULT(AutoBoxCacheMax, 20000); |
|
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|
1804 } |
|
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|
1805 |
|
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|
1806 // Feed the cache size setting into the JDK |
|
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|
1807 char buffer[1024]; |
|
513
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1808 sprintf(buffer, "java.lang.Integer.IntegerCache.high=" INTX_FORMAT, AutoBoxCacheMax); |
|
17
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|
1809 add_property(buffer); |
|
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|
1810 } |
|
416
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|
1811 if (AggressiveOpts && FLAG_IS_DEFAULT(BiasedLockingStartupDelay)) { |
|
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|
1812 FLAG_SET_DEFAULT(BiasedLockingStartupDelay, 500); |
|
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1813 } |
|
17
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|
1814 #endif |
|
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|
1815 |
| 0 | 1816 if (AggressiveOpts) { |
| 61 | 1817 // Sample flag setting code |
| 1818 // if (FLAG_IS_DEFAULT(EliminateZeroing)) { | |
| 1819 // FLAG_SET_DEFAULT(EliminateZeroing, true); | |
| 1820 // } | |
| 0 | 1821 } |
| 1822 } | |
| 1823 | |
| 1824 //=========================================================================================================== | |
| 1825 // Parsing of java.compiler property | |
| 1826 | |
| 1827 void Arguments::process_java_compiler_argument(char* arg) { | |
| 1828 // For backwards compatibility, Djava.compiler=NONE or "" | |
| 1829 // causes us to switch to -Xint mode UNLESS -Xdebug | |
| 1830 // is also specified. | |
| 1831 if (strlen(arg) == 0 || strcasecmp(arg, "NONE") == 0) { | |
| 1832 set_java_compiler(true); // "-Djava.compiler[=...]" most recently seen. | |
| 1833 } | |
| 1834 } | |
| 1835 | |
| 1836 void Arguments::process_java_launcher_argument(const char* launcher, void* extra_info) { | |
| 1837 _sun_java_launcher = strdup(launcher); | |
|
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|
1838 if (strcmp("gamma", _sun_java_launcher) == 0) { |
|
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|
1839 _created_by_gamma_launcher = true; |
|
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|
1840 } |
| 0 | 1841 } |
| 1842 | |
| 1843 bool Arguments::created_by_java_launcher() { | |
| 1844 assert(_sun_java_launcher != NULL, "property must have value"); | |
| 1845 return strcmp(DEFAULT_JAVA_LAUNCHER, _sun_java_launcher) != 0; | |
| 1846 } | |
| 1847 | |
|
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|
1848 bool Arguments::created_by_gamma_launcher() { |
|
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1849 return _created_by_gamma_launcher; |
|
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|
1850 } |
|
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|
1851 |
| 0 | 1852 //=========================================================================================================== |
| 1853 // Parsing of main arguments | |
| 1854 | |
|
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1855 bool Arguments::verify_interval(uintx val, uintx min, |
|
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1856 uintx max, const char* name) { |
|
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1857 // Returns true iff value is in the inclusive interval [min..max] |
|
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1858 // false, otherwise. |
|
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1859 if (val >= min && val <= max) { |
|
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1860 return true; |
|
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1861 } |
|
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|
1862 jio_fprintf(defaultStream::error_stream(), |
|
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1863 "%s of " UINTX_FORMAT " is invalid; must be between " UINTX_FORMAT |
|
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1864 " and " UINTX_FORMAT "\n", |
|
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|
1865 name, val, min, max); |
|
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|
1866 return false; |
|
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|
1867 } |
|
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|
1868 |
|
1744
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|
1869 bool Arguments::verify_min_value(intx val, intx min, const char* name) { |
|
2366
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|
1870 // Returns true if given value is at least specified min threshold |
|
1744
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1871 // false, otherwise. |
|
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|
1872 if (val >= min ) { |
|
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|
1873 return true; |
|
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|
1874 } |
|
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|
1875 jio_fprintf(defaultStream::error_stream(), |
|
2366
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|
1876 "%s of " INTX_FORMAT " is invalid; must be at least " INTX_FORMAT "\n", |
|
1744
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|
1877 name, val, min); |
|
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|
1878 return false; |
|
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|
1879 } |
|
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|
1880 |
| 0 | 1881 bool Arguments::verify_percentage(uintx value, const char* name) { |
|
17648
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|
1882 if (is_percentage(value)) { |
| 0 | 1883 return true; |
| 1884 } | |
| 1885 jio_fprintf(defaultStream::error_stream(), | |
| 1886 "%s of " UINTX_FORMAT " is invalid; must be between 0 and 100\n", | |
| 1887 name, value); | |
| 1888 return false; | |
| 1889 } | |
| 1890 | |
|
9060
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|
1891 #if !INCLUDE_ALL_GCS |
|
cc32ccaaf47f
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|
1892 #ifdef ASSERT |
| 0 | 1893 static bool verify_serial_gc_flags() { |
| 1894 return (UseSerialGC && | |
|
945
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6872136: CMS: confusing message may be printed when a collector is switched off implicitly
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|
1895 !(UseParNewGC || (UseConcMarkSweepGC || CMSIncrementalMode) || UseG1GC || |
|
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
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|
1896 UseParallelGC || UseParallelOldGC)); |
| 0 | 1897 } |
|
9060
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|
1898 #endif // ASSERT |
|
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|
1899 #endif // INCLUDE_ALL_GCS |
| 0 | 1900 |
|
3767
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6941923: RFE: Handling large log files produced by long running Java Applications
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diff
changeset
|
1901 // check if do gclog rotation |
|
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|
1902 // +UseGCLogFileRotation is a must, |
|
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|
1903 // no gc log rotation when log file not supplied or |
| 17827 | 1904 // NumberOfGCLogFiles is 0 |
|
3767
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|
1905 void check_gclog_consistency() { |
|
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|
1906 if (UseGCLogFileRotation) { |
| 17827 | 1907 if ((Arguments::gc_log_filename() == NULL) || (NumberOfGCLogFiles == 0)) { |
|
3767
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|
1908 jio_fprintf(defaultStream::output_stream(), |
| 17827 | 1909 "To enable GC log rotation, use -Xloggc:<filename> -XX:+UseGCLogFileRotation -XX:NumberOfGCLogFiles=<num_of_files>\n" |
| 1910 "where num_of_file > 0\n" | |
|
3767
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|
1911 "GC log rotation is turned off\n"); |
|
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|
1912 UseGCLogFileRotation = false; |
|
2a241e764894
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|
1913 } |
|
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|
1914 } |
|
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|
1915 |
| 17827 | 1916 if (UseGCLogFileRotation && (GCLogFileSize != 0) && (GCLogFileSize < 8*K)) { |
| 1917 FLAG_SET_CMDLINE(uintx, GCLogFileSize, 8*K); | |
| 1918 jio_fprintf(defaultStream::output_stream(), | |
| 1919 "GCLogFileSize changed to minimum 8K\n"); | |
|
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|
1920 } |
|
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|
1921 } |
|
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|
1922 |
| 12215 | 1923 // This function is called for -Xloggc:<filename>, it can be used |
| 1924 // to check if a given file name(or string) conforms to the following | |
| 1925 // specification: | |
| 1926 // A valid string only contains "[A-Z][a-z][0-9].-_%[p|t]" | |
| 1927 // %p and %t only allowed once. We only limit usage of filename not path | |
| 1928 bool is_filename_valid(const char *file_name) { | |
| 1929 const char* p = file_name; | |
| 1930 char file_sep = os::file_separator()[0]; | |
| 1931 const char* cp; | |
| 1932 // skip prefix path | |
| 1933 for (cp = file_name; *cp != '\0'; cp++) { | |
| 1934 if (*cp == '/' || *cp == file_sep) { | |
| 1935 p = cp + 1; | |
| 1936 } | |
| 1937 } | |
| 1938 | |
| 1939 int count_p = 0; | |
| 1940 int count_t = 0; | |
| 1941 while (*p != '\0') { | |
| 1942 if ((*p >= '0' && *p <= '9') || | |
| 1943 (*p >= 'A' && *p <= 'Z') || | |
| 1944 (*p >= 'a' && *p <= 'z') || | |
| 1945 *p == '-' || | |
| 1946 *p == '_' || | |
| 1947 *p == '.') { | |
| 1948 p++; | |
| 1949 continue; | |
| 1950 } | |
| 1951 if (*p == '%') { | |
| 1952 if(*(p + 1) == 'p') { | |
| 1953 p += 2; | |
| 1954 count_p ++; | |
| 1955 continue; | |
| 1956 } | |
| 1957 if (*(p + 1) == 't') { | |
| 1958 p += 2; | |
| 1959 count_t ++; | |
| 1960 continue; | |
| 1961 } | |
| 1962 } | |
| 1963 return false; | |
| 1964 } | |
| 1965 return count_p < 2 && count_t < 2; | |
| 1966 } | |
| 1967 | |
|
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|
1968 bool Arguments::verify_MinHeapFreeRatio(FormatBuffer<80>& err_msg, uintx min_heap_free_ratio) { |
|
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|
1969 if (!is_percentage(min_heap_free_ratio)) { |
|
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|
1970 err_msg.print("MinHeapFreeRatio must have a value between 0 and 100"); |
|
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|
1971 return false; |
|
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|
1972 } |
|
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|
1973 if (min_heap_free_ratio > MaxHeapFreeRatio) { |
|
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|
1974 err_msg.print("MinHeapFreeRatio (" UINTX_FORMAT ") must be less than or " |
|
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|
1975 "equal to MaxHeapFreeRatio (" UINTX_FORMAT ")", min_heap_free_ratio, |
|
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|
1976 MaxHeapFreeRatio); |
|
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|
1977 return false; |
|
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|
1978 } |
|
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|
1979 return true; |
|
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|
1980 } |
|
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|
1981 |
|
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|
1982 bool Arguments::verify_MaxHeapFreeRatio(FormatBuffer<80>& err_msg, uintx max_heap_free_ratio) { |
|
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|
1983 if (!is_percentage(max_heap_free_ratio)) { |
|
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|
1984 err_msg.print("MaxHeapFreeRatio must have a value between 0 and 100"); |
|
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|
1985 return false; |
|
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|
1986 } |
|
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|
1987 if (max_heap_free_ratio < MinHeapFreeRatio) { |
|
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|
1988 err_msg.print("MaxHeapFreeRatio (" UINTX_FORMAT ") must be greater than or " |
|
a034dc5e910b
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|
1989 "equal to MinHeapFreeRatio (" UINTX_FORMAT ")", max_heap_free_ratio, |
|
a034dc5e910b
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|
1990 MinHeapFreeRatio); |
|
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|
1991 return false; |
|
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|
1992 } |
|
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|
1993 return true; |
|
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|
1994 } |
|
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|
1995 |
|
10
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changeset
|
1996 // Check consistency of GC selection |
|
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changeset
|
1997 bool Arguments::check_gc_consistency() { |
|
3767
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
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changeset
|
1998 check_gclog_consistency(); |
|
10
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diff
changeset
|
1999 bool status = true; |
|
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parents:
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diff
changeset
|
2000 // Ensure that the user has not selected conflicting sets |
|
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diff
changeset
|
2001 // of collectors. [Note: this check is merely a user convenience; |
|
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0
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changeset
|
2002 // collectors over-ride each other so that only a non-conflicting |
|
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|
2003 // set is selected; however what the user gets is not what they |
|
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changeset
|
2004 // may have expected from the combination they asked for. It's |
|
28372612af5e
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diff
changeset
|
2005 // better to reduce user confusion by not allowing them to |
|
28372612af5e
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jmasa
parents:
0
diff
changeset
|
2006 // select conflicting combinations. |
|
28372612af5e
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jmasa
parents:
0
diff
changeset
|
2007 uint i = 0; |
|
28372612af5e
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jmasa
parents:
0
diff
changeset
|
2008 if (UseSerialGC) i++; |
|
28372612af5e
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parents:
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diff
changeset
|
2009 if (UseConcMarkSweepGC || UseParNewGC) i++; |
|
28372612af5e
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parents:
0
diff
changeset
|
2010 if (UseParallelGC || UseParallelOldGC) i++; |
|
845
df6caf649ff7
6700789: G1: Enable use of compressed oops with G1 heaps
ysr
parents:
751
diff
changeset
|
2011 if (UseG1GC) i++; |
|
10
28372612af5e
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jmasa
parents:
0
diff
changeset
|
2012 if (i > 1) { |
|
28372612af5e
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jmasa
parents:
0
diff
changeset
|
2013 jio_fprintf(defaultStream::error_stream(), |
|
28372612af5e
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jmasa
parents:
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diff
changeset
|
2014 "Conflicting collector combinations in option list; " |
|
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2015 "please refer to the release notes for the combinations " |
|
28372612af5e
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jmasa
parents:
0
diff
changeset
|
2016 "allowed\n"); |
|
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jmasa
parents:
0
diff
changeset
|
2017 status = false; |
|
28372612af5e
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jmasa
parents:
0
diff
changeset
|
2018 } |
|
28372612af5e
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jmasa
parents:
0
diff
changeset
|
2019 return status; |
|
28372612af5e
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jmasa
parents:
0
diff
changeset
|
2020 } |
|
28372612af5e
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jmasa
parents:
0
diff
changeset
|
2021 |
|
7452
e0ab18eafbde
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
7451
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changeset
|
2022 void Arguments::check_deprecated_gcs() { |
|
e0ab18eafbde
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changeset
|
2023 if (UseConcMarkSweepGC && !UseParNewGC) { |
|
e0ab18eafbde
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
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diff
changeset
|
2024 warning("Using the DefNew young collector with the CMS collector is deprecated " |
|
e0ab18eafbde
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
7451
diff
changeset
|
2025 "and will likely be removed in a future release"); |
|
e0ab18eafbde
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
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diff
changeset
|
2026 } |
|
e0ab18eafbde
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
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diff
changeset
|
2027 |
|
e0ab18eafbde
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
7451
diff
changeset
|
2028 if (UseParNewGC && !UseConcMarkSweepGC) { |
|
e0ab18eafbde
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
7451
diff
changeset
|
2029 // !UseConcMarkSweepGC means that we are using serial old gc. Unfortunately we don't |
|
e0ab18eafbde
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
7451
diff
changeset
|
2030 // set up UseSerialGC properly, so that can't be used in the check here. |
|
e0ab18eafbde
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
7451
diff
changeset
|
2031 warning("Using the ParNew young collector with the Serial old collector is deprecated " |
|
e0ab18eafbde
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
7451
diff
changeset
|
2032 "and will likely be removed in a future release"); |
|
e0ab18eafbde
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
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diff
changeset
|
2033 } |
| 7453 | 2034 |
| 2035 if (CMSIncrementalMode) { | |
| 2036 warning("Using incremental CMS is deprecated and will likely be removed in a future release"); | |
| 2037 } | |
|
7452
e0ab18eafbde
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
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diff
changeset
|
2038 } |
|
e0ab18eafbde
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
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diff
changeset
|
2039 |
| 8734 | 2040 void Arguments::check_deprecated_gc_flags() { |
| 2041 if (FLAG_IS_CMDLINE(MaxGCMinorPauseMillis)) { | |
| 2042 warning("Using MaxGCMinorPauseMillis as minor pause goal is deprecated" | |
| 2043 "and will likely be removed in future release"); | |
| 2044 } | |
| 11977 | 2045 if (FLAG_IS_CMDLINE(DefaultMaxRAMFraction)) { |
| 2046 warning("DefaultMaxRAMFraction is deprecated and will likely be removed in a future release. " | |
| 2047 "Use MaxRAMFraction instead."); | |
| 2048 } | |
|
13008
3b3133d93fb6
8027132: Print deprecation warning message for the flags controlling the CMS foreground collector
brutisso
parents:
12976
diff
changeset
|
2049 if (FLAG_IS_CMDLINE(UseCMSCompactAtFullCollection)) { |
|
3b3133d93fb6
8027132: Print deprecation warning message for the flags controlling the CMS foreground collector
brutisso
parents:
12976
diff
changeset
|
2050 warning("UseCMSCompactAtFullCollection is deprecated and will likely be removed in a future release."); |
|
3b3133d93fb6
8027132: Print deprecation warning message for the flags controlling the CMS foreground collector
brutisso
parents:
12976
diff
changeset
|
2051 } |
|
3b3133d93fb6
8027132: Print deprecation warning message for the flags controlling the CMS foreground collector
brutisso
parents:
12976
diff
changeset
|
2052 if (FLAG_IS_CMDLINE(CMSFullGCsBeforeCompaction)) { |
|
3b3133d93fb6
8027132: Print deprecation warning message for the flags controlling the CMS foreground collector
brutisso
parents:
12976
diff
changeset
|
2053 warning("CMSFullGCsBeforeCompaction is deprecated and will likely be removed in a future release."); |
|
3b3133d93fb6
8027132: Print deprecation warning message for the flags controlling the CMS foreground collector
brutisso
parents:
12976
diff
changeset
|
2054 } |
|
3b3133d93fb6
8027132: Print deprecation warning message for the flags controlling the CMS foreground collector
brutisso
parents:
12976
diff
changeset
|
2055 if (FLAG_IS_CMDLINE(UseCMSCollectionPassing)) { |
|
3b3133d93fb6
8027132: Print deprecation warning message for the flags controlling the CMS foreground collector
brutisso
parents:
12976
diff
changeset
|
2056 warning("UseCMSCollectionPassing is deprecated and will likely be removed in a future release."); |
|
3b3133d93fb6
8027132: Print deprecation warning message for the flags controlling the CMS foreground collector
brutisso
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diff
changeset
|
2057 } |
| 8734 | 2058 } |
| 2059 | |
|
1744
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
2060 // Check stack pages settings |
|
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
2061 bool Arguments::check_stack_pages() |
|
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
2062 { |
|
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
2063 bool status = true; |
|
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
2064 status = status && verify_min_value(StackYellowPages, 1, "StackYellowPages"); |
|
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
2065 status = status && verify_min_value(StackRedPages, 1, "StackRedPages"); |
|
1867
b6aedd1acdc0
6983240: guarantee((Solaris::min_stack_allowed >= (StackYellowPages+StackRedPages...) wrong
coleenp
parents:
1864
diff
changeset
|
2066 // greater stack shadow pages can't generate instruction to bang stack |
|
b6aedd1acdc0
6983240: guarantee((Solaris::min_stack_allowed >= (StackYellowPages+StackRedPages...) wrong
coleenp
parents:
1864
diff
changeset
|
2067 status = status && verify_interval(StackShadowPages, 1, 50, "StackShadowPages"); |
|
1744
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
2068 return status; |
|
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
2069 } |
|
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
2070 |
| 0 | 2071 // Check the consistency of vm_init_args |
| 2072 bool Arguments::check_vm_args_consistency() { | |
| 2073 // Method for adding checks for flag consistency. | |
| 2074 // The intent is to warn the user of all possible conflicts, | |
| 2075 // before returning an error. | |
| 2076 // Note: Needs platform-dependent factoring. | |
| 2077 bool status = true; | |
| 2078 | |
| 2079 // Allow both -XX:-UseStackBanging and -XX:-UseBoundThreads in non-product | |
| 2080 // builds so the cost of stack banging can be measured. | |
| 2081 #if (defined(PRODUCT) && defined(SOLARIS)) | |
| 2082 if (!UseBoundThreads && !UseStackBanging) { | |
| 2083 jio_fprintf(defaultStream::error_stream(), | |
| 2084 "-UseStackBanging conflicts with -UseBoundThreads\n"); | |
| 2085 | |
| 2086 status = false; | |
| 2087 } | |
| 2088 #endif | |
| 2089 | |
| 2090 if (TLABRefillWasteFraction == 0) { | |
| 2091 jio_fprintf(defaultStream::error_stream(), | |
| 2092 "TLABRefillWasteFraction should be a denominator, " | |
| 2093 "not " SIZE_FORMAT "\n", | |
| 2094 TLABRefillWasteFraction); | |
| 2095 status = false; | |
| 2096 } | |
| 2097 | |
|
10287
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2098 status = status && verify_interval(AdaptiveSizePolicyWeight, 0, 100, |
| 0 | 2099 "AdaptiveSizePolicyWeight"); |
|
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2100 status = status && verify_percentage(ThresholdTolerance, "ThresholdTolerance"); |
| 0 | 2101 |
|
6982
e4f764ddb06a
7122219: Passed StringTableSize value not verified
hseigel
parents:
6928
diff
changeset
|
2102 // Divide by bucket size to prevent a large size from causing rollover when |
|
e4f764ddb06a
7122219: Passed StringTableSize value not verified
hseigel
parents:
6928
diff
changeset
|
2103 // 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
|
2104 status = status && verify_interval(StringTableSize, minimumStringTableSize, |
|
6982
e4f764ddb06a
7122219: Passed StringTableSize value not verified
hseigel
parents:
6928
diff
changeset
|
2105 (max_uintx / StringTable::bucket_size()), "StringTable size"); |
|
e4f764ddb06a
7122219: Passed StringTableSize value not verified
hseigel
parents:
6928
diff
changeset
|
2106 |
|
12825
c90e76575b03
8019375: Internal symbol table size should be tunable.
kevinw
parents:
12326
diff
changeset
|
2107 status = status && verify_interval(SymbolTableSize, minimumSymbolTableSize, |
|
c90e76575b03
8019375: Internal symbol table size should be tunable.
kevinw
parents:
12326
diff
changeset
|
2108 (max_uintx / SymbolTable::bucket_size()), "SymbolTable size"); |
|
c90e76575b03
8019375: Internal symbol table size should be tunable.
kevinw
parents:
12326
diff
changeset
|
2109 |
|
17648
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
2110 { |
|
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
2111 // Using "else if" below to avoid printing two error messages if min > max. |
|
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
2112 // This will also prevent us from reporting both min>100 and max>100 at the |
|
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
2113 // same time, but that is less annoying than printing two identical errors IMHO. |
|
17937
78bbf4d43a14
8037816: Fix for 8036122 breaks build with Xcode5/clang
drchase
parents:
17906
diff
changeset
|
2114 FormatBuffer<80> err_msg("%s",""); |
|
17648
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
2115 if (!verify_MinHeapFreeRatio(err_msg, MinHeapFreeRatio)) { |
|
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
2116 jio_fprintf(defaultStream::error_stream(), "%s\n", err_msg.buffer()); |
|
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
2117 status = false; |
|
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
2118 } else if (!verify_MaxHeapFreeRatio(err_msg, MaxHeapFreeRatio)) { |
|
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
2119 jio_fprintf(defaultStream::error_stream(), "%s\n", err_msg.buffer()); |
|
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
2120 status = false; |
|
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
2121 } |
| 0 | 2122 } |
| 2123 | |
|
8040
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2124 // Min/MaxMetaspaceFreeRatio |
|
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2125 status = status && verify_percentage(MinMetaspaceFreeRatio, "MinMetaspaceFreeRatio"); |
|
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2126 status = status && verify_percentage(MaxMetaspaceFreeRatio, "MaxMetaspaceFreeRatio"); |
|
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2127 |
|
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2128 if (MinMetaspaceFreeRatio > MaxMetaspaceFreeRatio) { |
|
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2129 jio_fprintf(defaultStream::error_stream(), |
|
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2130 "MinMetaspaceFreeRatio (%s" UINTX_FORMAT ") must be less than or " |
|
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2131 "equal to MaxMetaspaceFreeRatio (%s" UINTX_FORMAT ")\n", |
|
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2132 FLAG_IS_DEFAULT(MinMetaspaceFreeRatio) ? "Default: " : "", |
|
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2133 MinMetaspaceFreeRatio, |
|
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2134 FLAG_IS_DEFAULT(MaxMetaspaceFreeRatio) ? "Default: " : "", |
|
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2135 MaxMetaspaceFreeRatio); |
|
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2136 status = false; |
|
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2137 } |
|
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2138 |
|
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2139 // Trying to keep 100% free is not practical |
|
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2140 MinMetaspaceFreeRatio = MIN2(MinMetaspaceFreeRatio, (uintx) 99); |
|
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2141 |
| 0 | 2142 if (FullGCALot && FLAG_IS_DEFAULT(MarkSweepAlwaysCompactCount)) { |
| 2143 MarkSweepAlwaysCompactCount = 1; // Move objects every gc. | |
| 2144 } | |
| 2145 | |
|
483
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2146 if (UseParallelOldGC && ParallelOldGCSplitALot) { |
|
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2147 // Settings to encourage splitting. |
|
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2148 if (!FLAG_IS_CMDLINE(NewRatio)) { |
| 8035 | 2149 FLAG_SET_CMDLINE(uintx, NewRatio, 2); |
|
483
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2150 } |
|
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2151 if (!FLAG_IS_CMDLINE(ScavengeBeforeFullGC)) { |
|
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2152 FLAG_SET_CMDLINE(bool, ScavengeBeforeFullGC, false); |
|
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2153 } |
|
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2154 } |
|
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2155 |
|
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2156 status = status && verify_percentage(GCHeapFreeLimit, "GCHeapFreeLimit"); |
|
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2157 status = status && verify_percentage(GCTimeLimit, "GCTimeLimit"); |
| 0 | 2158 if (GCTimeLimit == 100) { |
| 2159 // Turn off gc-overhead-limit-exceeded checks | |
| 2160 FLAG_SET_DEFAULT(UseGCOverheadLimit, false); | |
| 2161 } | |
| 2162 | |
|
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2163 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
|
2164 status = status && check_stack_pages(); |
| 0 | 2165 |
| 2166 if (CMSIncrementalMode) { | |
| 2167 if (!UseConcMarkSweepGC) { | |
| 2168 jio_fprintf(defaultStream::error_stream(), | |
| 2169 "error: invalid argument combination.\n" | |
| 2170 "The CMS collector (-XX:+UseConcMarkSweepGC) must be " | |
| 2171 "selected in order\nto use CMSIncrementalMode.\n"); | |
| 2172 status = false; | |
| 2173 } else { | |
|
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2174 status = status && verify_percentage(CMSIncrementalDutyCycle, |
| 0 | 2175 "CMSIncrementalDutyCycle"); |
|
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2176 status = status && verify_percentage(CMSIncrementalDutyCycleMin, |
| 0 | 2177 "CMSIncrementalDutyCycleMin"); |
|
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2178 status = status && verify_percentage(CMSIncrementalSafetyFactor, |
| 0 | 2179 "CMSIncrementalSafetyFactor"); |
|
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2180 status = status && verify_percentage(CMSIncrementalOffset, |
| 0 | 2181 "CMSIncrementalOffset"); |
|
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2182 status = status && verify_percentage(CMSExpAvgFactor, |
| 0 | 2183 "CMSExpAvgFactor"); |
| 2184 // If it was not set on the command line, set | |
| 2185 // CMSInitiatingOccupancyFraction to 1 so icms can initiate cycles early. | |
| 2186 if (CMSInitiatingOccupancyFraction < 0) { | |
| 2187 FLAG_SET_DEFAULT(CMSInitiatingOccupancyFraction, 1); | |
| 2188 } | |
| 2189 } | |
| 2190 } | |
| 2191 | |
| 2192 // CMS space iteration, which FLSVerifyAllHeapreferences entails, | |
| 2193 // insists that we hold the requisite locks so that the iteration is | |
| 2194 // MT-safe. For the verification at start-up and shut-down, we don't | |
| 2195 // yet have a good way of acquiring and releasing these locks, | |
| 2196 // which are not visible at the CollectedHeap level. We want to | |
| 2197 // be able to acquire these locks and then do the iteration rather | |
| 2198 // than just disable the lock verification. This will be fixed under | |
| 2199 // bug 4788986. | |
| 2200 if (UseConcMarkSweepGC && FLSVerifyAllHeapReferences) { | |
|
9071
68fe50d4f1d5
8011343: Add new flag for verifying the heap during startup
johnc
parents:
8859
diff
changeset
|
2201 if (VerifyDuringStartup) { |
| 0 | 2202 warning("Heap verification at start-up disabled " |
| 2203 "(due to current incompatibility with FLSVerifyAllHeapReferences)"); | |
|
9071
68fe50d4f1d5
8011343: Add new flag for verifying the heap during startup
johnc
parents:
8859
diff
changeset
|
2204 VerifyDuringStartup = false; // Disable verification at start-up |
| 0 | 2205 } |
|
9071
68fe50d4f1d5
8011343: Add new flag for verifying the heap during startup
johnc
parents:
8859
diff
changeset
|
2206 |
| 0 | 2207 if (VerifyBeforeExit) { |
| 2208 warning("Heap verification at shutdown disabled " | |
| 2209 "(due to current incompatibility with FLSVerifyAllHeapReferences)"); | |
| 2210 VerifyBeforeExit = false; // Disable verification at shutdown | |
| 2211 } | |
| 2212 } | |
| 2213 | |
| 2214 // Note: only executed in non-PRODUCT mode | |
| 2215 if (!UseAsyncConcMarkSweepGC && | |
| 2216 (ExplicitGCInvokesConcurrent || | |
| 2217 ExplicitGCInvokesConcurrentAndUnloadsClasses)) { | |
| 2218 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
|
2219 "error: +ExplicitGCInvokesConcurrent[AndUnloadsClasses] conflicts" |
| 0 | 2220 " with -UseAsyncConcMarkSweepGC"); |
| 2221 status = false; | |
| 2222 } | |
| 2223 | |
|
2366
1fb790245268
6820066: Check that -XX:ParGCArrayScanChunk has a value larger than zero.
jwilhelm
parents:
2362
diff
changeset
|
2224 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
|
2225 |
|
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
2226 #if INCLUDE_ALL_GCS |
|
1283
1c72304f1885
6928073: G1: use existing command line parameters for marking cycle initiation
tonyp
parents:
1257
diff
changeset
|
2227 if (UseG1GC) { |
|
13060
8f07aa079343
8016309: assert(eden_size > 0 && survivor_size > 0) failed: just checking
jwilhelm
parents:
13059
diff
changeset
|
2228 status = status && verify_percentage(G1NewSizePercent, "G1NewSizePercent"); |
|
8f07aa079343
8016309: assert(eden_size > 0 && survivor_size > 0) failed: just checking
jwilhelm
parents:
13059
diff
changeset
|
2229 status = status && verify_percentage(G1MaxNewSizePercent, "G1MaxNewSizePercent"); |
|
8f07aa079343
8016309: assert(eden_size > 0 && survivor_size > 0) failed: just checking
jwilhelm
parents:
13059
diff
changeset
|
2230 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
|
2231 |
|
1283
1c72304f1885
6928073: G1: use existing command line parameters for marking cycle initiation
tonyp
parents:
1257
diff
changeset
|
2232 status = status && verify_percentage(InitiatingHeapOccupancyPercent, |
|
1c72304f1885
6928073: G1: use existing command line parameters for marking cycle initiation
tonyp
parents:
1257
diff
changeset
|
2233 "InitiatingHeapOccupancyPercent"); |
|
2174
234761c55641
6608385: G1: need to support parallel reference processing
johnc
parents:
2129
diff
changeset
|
2234 status = status && verify_min_value(G1RefProcDrainInterval, 1, |
|
234761c55641
6608385: G1: need to support parallel reference processing
johnc
parents:
2129
diff
changeset
|
2235 "G1RefProcDrainInterval"); |
|
234761c55641
6608385: G1: need to support parallel reference processing
johnc
parents:
2129
diff
changeset
|
2236 status = status && verify_min_value((intx)G1ConcMarkStepDurationMillis, 1, |
|
234761c55641
6608385: G1: need to support parallel reference processing
johnc
parents:
2129
diff
changeset
|
2237 "G1ConcMarkStepDurationMillis"); |
|
10246
194f52aa2f23
7176479: G1: JVM crashes on T5-8 system with 1.5 TB heap
johnc
parents:
10241
diff
changeset
|
2238 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
|
2239 "G1ConcRSHotCardLimit"); |
|
194f52aa2f23
7176479: G1: JVM crashes on T5-8 system with 1.5 TB heap
johnc
parents:
10241
diff
changeset
|
2240 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
|
2241 "G1ConcRSLogCacheSize"); |
| 17764 | 2242 status = status && verify_interval(StringDeduplicationAgeThreshold, 1, markOopDesc::max_age, |
| 2243 "StringDeduplicationAgeThreshold"); | |
|
1283
1c72304f1885
6928073: G1: use existing command line parameters for marking cycle initiation
tonyp
parents:
1257
diff
changeset
|
2244 } |
|
10287
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2245 if (UseConcMarkSweepGC) { |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2246 status = status && verify_min_value(CMSOldPLABNumRefills, 1, "CMSOldPLABNumRefills"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2247 status = status && verify_min_value(CMSOldPLABToleranceFactor, 1, "CMSOldPLABToleranceFactor"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2248 status = status && verify_min_value(CMSOldPLABMax, 1, "CMSOldPLABMax"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2249 status = status && verify_interval(CMSOldPLABMin, 1, CMSOldPLABMax, "CMSOldPLABMin"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2250 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2251 status = status && verify_min_value(CMSYoungGenPerWorker, 1, "CMSYoungGenPerWorker"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2252 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2253 status = status && verify_min_value(CMSSamplingGrain, 1, "CMSSamplingGrain"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2254 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
|
2255 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
|
2256 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2257 status = status && verify_interval(FLSCoalescePolicy, 0, 4, "FLSCoalescePolicy"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2258 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2259 status = status && verify_min_value(CMSRescanMultiple, 1, "CMSRescanMultiple"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2260 status = status && verify_min_value(CMSConcMarkMultiple, 1, "CMSConcMarkMultiple"); |
|
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_interval(CMSPrecleanIter, 0, 9, "CMSPrecleanIter"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2263 status = status && verify_min_value(CMSPrecleanDenominator, 1, "CMSPrecleanDenominator"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2264 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
|
2265 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2266 status = status && verify_percentage(CMSBootstrapOccupancy, "CMSBootstrapOccupancy"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2267 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2268 status = status && verify_min_value(CMSPrecleanThreshold, 100, "CMSPrecleanThreshold"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2269 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2270 status = status && verify_percentage(CMSScheduleRemarkEdenPenetration, "CMSScheduleRemarkEdenPenetration"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2271 status = status && verify_min_value(CMSScheduleRemarkSamplingRatio, 1, "CMSScheduleRemarkSamplingRatio"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2272 status = status && verify_min_value(CMSBitMapYieldQuantum, 1, "CMSBitMapYieldQuantum"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2273 status = status && verify_percentage(CMSTriggerRatio, "CMSTriggerRatio"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2274 status = status && verify_percentage(CMSIsTooFullPercentage, "CMSIsTooFullPercentage"); |
|
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 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2277 if (UseParallelGC || UseParallelOldGC) { |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2278 status = status && verify_interval(ParallelOldDeadWoodLimiterMean, 0, 100, "ParallelOldDeadWoodLimiterMean"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2279 status = status && verify_interval(ParallelOldDeadWoodLimiterStdDev, 0, 100, "ParallelOldDeadWoodLimiterStdDev"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2280 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2281 status = status && verify_percentage(YoungGenerationSizeIncrement, "YoungGenerationSizeIncrement"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2282 status = status && verify_percentage(TenuredGenerationSizeIncrement, "TenuredGenerationSizeIncrement"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2283 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2284 status = status && verify_min_value(YoungGenerationSizeSupplementDecay, 1, "YoungGenerationSizeSupplementDecay"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2285 status = status && verify_min_value(TenuredGenerationSizeSupplementDecay, 1, "TenuredGenerationSizeSupplementDecay"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2286 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2287 status = status && verify_min_value(ParGCCardsPerStrideChunk, 1, "ParGCCardsPerStrideChunk"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2288 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2289 status = status && verify_min_value(ParallelOldGCSplitInterval, 0, "ParallelOldGCSplitInterval"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2290 } |
|
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
2291 #endif // INCLUDE_ALL_GCS |
|
1283
1c72304f1885
6928073: G1: use existing command line parameters for marking cycle initiation
tonyp
parents:
1257
diff
changeset
|
2292 |
|
1244
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2293 status = status && verify_interval(RefDiscoveryPolicy, |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2294 ReferenceProcessor::DiscoveryPolicyMin, |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2295 ReferenceProcessor::DiscoveryPolicyMax, |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2296 "RefDiscoveryPolicy"); |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2297 |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2298 // 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
|
2299 // expression. |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2300 status = status && verify_interval(TLABWasteTargetPercent, |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2301 1, 100, "TLABWasteTargetPercent"); |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2302 |
|
1571
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
2303 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
|
2304 |
|
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
2305 status = status && verify_interval(CompressedClassSpaceSize, 1*M, 3*G, |
|
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
2306 "CompressedClassSpaceSize"); |
|
6736
11fb740ce98f
7196103: NPG: Unable to allocate bit map for parallel garbage collection for the requested heap size
coleenp
parents:
6725
diff
changeset
|
2307 |
|
7397
442f942757c0
8000244: G1: Ergonomically set MarkStackSize and use virtual space for global marking stack
johnc
parents:
7177
diff
changeset
|
2308 status = status && verify_interval(MarkStackSizeMax, |
|
442f942757c0
8000244: G1: Ergonomically set MarkStackSize and use virtual space for global marking stack
johnc
parents:
7177
diff
changeset
|
2309 1, (max_jint - 1), "MarkStackSizeMax"); |
|
10287
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2310 status = status && verify_interval(NUMAChunkResizeWeight, 0, 100, "NUMAChunkResizeWeight"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2311 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2312 status = status && verify_min_value(LogEventsBufferEntries, 1, "LogEventsBufferEntries"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2313 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2314 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
|
2315 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2316 status = status && verify_min_value(GCTaskTimeStampEntries, 1, "GCTaskTimeStampEntries"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2317 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2318 status = status && verify_percentage(ParallelGCBufferWastePct, "ParallelGCBufferWastePct"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2319 status = status && verify_interval(TargetPLABWastePct, 1, 100, "TargetPLABWastePct"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2320 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2321 status = status && verify_min_value(ParGCStridesPerThread, 1, "ParGCStridesPerThread"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2322 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2323 status = status && verify_min_value(MinRAMFraction, 1, "MinRAMFraction"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2324 status = status && verify_min_value(InitialRAMFraction, 1, "InitialRAMFraction"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2325 status = status && verify_min_value(MaxRAMFraction, 1, "MaxRAMFraction"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2326 status = status && verify_min_value(DefaultMaxRAMFraction, 1, "DefaultMaxRAMFraction"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2327 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2328 status = status && verify_interval(AdaptiveTimeWeight, 0, 100, "AdaptiveTimeWeight"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2329 status = status && verify_min_value(AdaptiveSizeDecrementScaleFactor, 1, "AdaptiveSizeDecrementScaleFactor"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2330 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2331 status = status && verify_interval(TLABAllocationWeight, 0, 100, "TLABAllocationWeight"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2332 status = status && verify_min_value(MinTLABSize, 1, "MinTLABSize"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2333 status = status && verify_min_value(TLABRefillWasteFraction, 1, "TLABRefillWasteFraction"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2334 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2335 status = status && verify_percentage(YoungGenerationSizeSupplement, "YoungGenerationSizeSupplement"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2336 status = status && verify_percentage(TenuredGenerationSizeSupplement, "TenuredGenerationSizeSupplement"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2337 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2338 // 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
|
2339 // just for that, so hardcode here. |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2340 status = status && verify_interval(MaxTenuringThreshold, 0, 15, "MaxTenuringThreshold"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2341 status = status && verify_interval(InitialTenuringThreshold, 0, MaxTenuringThreshold, "MaxTenuringThreshold"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2342 status = status && verify_percentage(TargetSurvivorRatio, "TargetSurvivorRatio"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2343 status = status && verify_percentage(MarkSweepDeadRatio, "MarkSweepDeadRatio"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2344 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2345 status = status && verify_min_value(MarkSweepAlwaysCompactCount, 1, "MarkSweepAlwaysCompactCount"); |
|
6755
bc675e55b48c
7193946: Move warnings associated with UseMemSetInBOT flag
johnc
parents:
6736
diff
changeset
|
2346 |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2347 if (PrintNMTStatistics) { |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2348 #if INCLUDE_NMT |
| 20360 | 2349 if (MemTracker::tracking_level() == NMT_off) { |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2350 #endif // INCLUDE_NMT |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2351 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
|
2352 PrintNMTStatistics = false; |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2353 #if INCLUDE_NMT |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2354 } |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2355 #endif |
|
6770
9a86ddfc6c8f
7188594: Print statistic collected by NMT with VM flag
zgu
parents:
6736
diff
changeset
|
2356 } |
|
9a86ddfc6c8f
7188594: Print statistic collected by NMT with VM flag
zgu
parents:
6736
diff
changeset
|
2357 |
|
10260
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2358 // Need to limit the extent of the padding to reasonable size. |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2359 // 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
|
2360 // aggressive prefetching, while still leaving the room for segregating |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2361 // among the distinct pages. |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2362 if (ContendedPaddingWidth < 0 || ContendedPaddingWidth > 8192) { |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2363 jio_fprintf(defaultStream::error_stream(), |
| 12129 | 2364 "ContendedPaddingWidth=" INTX_FORMAT " must be in between %d and %d\n", |
|
10260
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2365 ContendedPaddingWidth, 0, 8192); |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2366 status = false; |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2367 } |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2368 |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2369 // Need to enforce the padding not to break the existing field alignments. |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2370 // It is sufficient to check against the largest type size. |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2371 if ((ContendedPaddingWidth % BytesPerLong) != 0) { |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2372 jio_fprintf(defaultStream::error_stream(), |
| 12129 | 2373 "ContendedPaddingWidth=" INTX_FORMAT " must be a multiple of %d\n", |
|
10260
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2374 ContendedPaddingWidth, BytesPerLong); |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2375 status = false; |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2376 } |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2377 |
|
11079
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2378 // 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
|
2379 // 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
|
2380 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
|
2381 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
|
2382 jio_fprintf(defaultStream::error_stream(), |
|
11079
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2383 "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
|
2384 os::vm_page_size()/K); |
|
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2385 status = false; |
|
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2386 } else if (ReservedCodeCacheSize < InitialCodeCacheSize) { |
|
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2387 jio_fprintf(defaultStream::error_stream(), |
|
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2388 "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
|
2389 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
|
2390 status = false; |
|
11079
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2391 } 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
|
2392 jio_fprintf(defaultStream::error_stream(), |
|
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2393 "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
|
2394 min_code_cache_size/K); |
|
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2395 status = false; |
|
11109
7ac80525ece9
8015635: Crash when specifying very large code cache size
anoll
parents:
11083
diff
changeset
|
2396 } else if (ReservedCodeCacheSize > 2*G) { |
|
7ac80525ece9
8015635: Crash when specifying very large code cache size
anoll
parents:
11083
diff
changeset
|
2397 // Code cache size larger than MAXINT is not supported. |
|
7ac80525ece9
8015635: Crash when specifying very large code cache size
anoll
parents:
11083
diff
changeset
|
2398 jio_fprintf(defaultStream::error_stream(), |
|
7ac80525ece9
8015635: Crash when specifying very large code cache size
anoll
parents:
11083
diff
changeset
|
2399 "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
|
2400 (2*G)/M); |
|
7ac80525ece9
8015635: Crash when specifying very large code cache size
anoll
parents:
11083
diff
changeset
|
2401 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
|
2402 } |
|
12324
510fbd28919c
8020151: PSR:PERF Large performance regressions when code cache is filled
anoll
parents:
12322
diff
changeset
|
2403 |
|
510fbd28919c
8020151: PSR:PERF Large performance regressions when code cache is filled
anoll
parents:
12322
diff
changeset
|
2404 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
|
2405 status &= verify_interval(NmethodSweepActivity, 0, 2000, "NmethodSweepActivity"); |
|
510fbd28919c
8020151: PSR:PERF Large performance regressions when code cache is filled
anoll
parents:
12322
diff
changeset
|
2406 |
|
17906
7150b16fda52
8029436: CICompilerCount is not updated when the number of compiler threads is adjusted to the number of CPUs
anoll
parents:
17827
diff
changeset
|
2407 if (!FLAG_IS_DEFAULT(CICompilerCount) && !FLAG_IS_DEFAULT(CICompilerCountPerCPU) && CICompilerCountPerCPU) { |
|
7150b16fda52
8029436: CICompilerCount is not updated when the number of compiler threads is adjusted to the number of CPUs
anoll
parents:
17827
diff
changeset
|
2408 warning("The VM option CICompilerCountPerCPU overrides CICompilerCount."); |
|
7150b16fda52
8029436: CICompilerCount is not updated when the number of compiler threads is adjusted to the number of CPUs
anoll
parents:
17827
diff
changeset
|
2409 } |
|
7150b16fda52
8029436: CICompilerCount is not updated when the number of compiler threads is adjusted to the number of CPUs
anoll
parents:
17827
diff
changeset
|
2410 |
|
20237
99dbb9cd9521
8046715: Add a way to verify an extended set of command line options
jwilhelm
parents:
20220
diff
changeset
|
2411 status &= check_vm_args_consistency_ext(); |
|
99dbb9cd9521
8046715: Add a way to verify an extended set of command line options
jwilhelm
parents:
20220
diff
changeset
|
2412 |
| 0 | 2413 return status; |
| 2414 } | |
| 2415 | |
| 2416 bool Arguments::is_bad_option(const JavaVMOption* option, jboolean ignore, | |
| 2417 const char* option_type) { | |
| 2418 if (ignore) return false; | |
| 2419 | |
| 2420 const char* spacer = " "; | |
| 2421 if (option_type == NULL) { | |
| 2422 option_type = ++spacer; // Set both to the empty string. | |
| 2423 } | |
| 2424 | |
| 2425 if (os::obsolete_option(option)) { | |
| 2426 jio_fprintf(defaultStream::error_stream(), | |
| 2427 "Obsolete %s%soption: %s\n", option_type, spacer, | |
| 2428 option->optionString); | |
| 2429 return false; | |
| 2430 } else { | |
| 2431 jio_fprintf(defaultStream::error_stream(), | |
| 2432 "Unrecognized %s%soption: %s\n", option_type, spacer, | |
| 2433 option->optionString); | |
| 2434 return true; | |
| 2435 } | |
| 2436 } | |
| 2437 | |
| 2438 static const char* user_assertion_options[] = { | |
| 2439 "-da", "-ea", "-disableassertions", "-enableassertions", 0 | |
| 2440 }; | |
| 2441 | |
| 2442 static const char* system_assertion_options[] = { | |
| 2443 "-dsa", "-esa", "-disablesystemassertions", "-enablesystemassertions", 0 | |
| 2444 }; | |
| 2445 | |
| 2446 // Return true if any of the strings in null-terminated array 'names' matches. | |
| 2447 // If tail_allowed is true, then the tail must begin with a colon; otherwise, | |
| 2448 // the option must match exactly. | |
| 2449 static bool match_option(const JavaVMOption* option, const char** names, const char** tail, | |
| 2450 bool tail_allowed) { | |
| 2451 for (/* empty */; *names != NULL; ++names) { | |
| 2452 if (match_option(option, *names, tail)) { | |
| 2453 if (**tail == '\0' || tail_allowed && **tail == ':') { | |
| 2454 return true; | |
| 2455 } | |
| 2456 } | |
| 2457 } | |
| 2458 return false; | |
| 2459 } | |
| 2460 | |
| 1284 | 2461 bool Arguments::parse_uintx(const char* value, |
| 2462 uintx* uintx_arg, | |
| 2463 uintx min_size) { | |
| 2464 | |
| 2465 // Check the sign first since atomull() parses only unsigned values. | |
| 2466 bool value_is_positive = !(*value == '-'); | |
| 2467 | |
| 2468 if (value_is_positive) { | |
| 2469 julong n; | |
| 2470 bool good_return = atomull(value, &n); | |
| 2471 if (good_return) { | |
| 2472 bool above_minimum = n >= min_size; | |
| 2473 bool value_is_too_large = n > max_uintx; | |
| 2474 | |
| 2475 if (above_minimum && !value_is_too_large) { | |
| 2476 *uintx_arg = n; | |
| 2477 return true; | |
| 2478 } | |
| 2479 } | |
| 2480 } | |
| 2481 return false; | |
| 2482 } | |
| 2483 | |
| 0 | 2484 Arguments::ArgsRange Arguments::parse_memory_size(const char* s, |
|
489
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|
2485 julong* long_arg, |
|
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|
2486 julong min_size) { |
|
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|
2487 if (!atomull(s, long_arg)) return arg_unreadable; |
| 0 | 2488 return check_memory_size(*long_arg, min_size); |
| 2489 } | |
| 2490 | |
| 2491 // Parse JavaVMInitArgs structure | |
| 2492 | |
| 2493 jint Arguments::parse_vm_init_args(const JavaVMInitArgs* args) { | |
| 2494 // For components of the system classpath. | |
| 2495 SysClassPath scp(Arguments::get_sysclasspath()); | |
| 2496 bool scp_assembly_required = false; | |
| 2497 | |
| 2498 // Save default settings for some mode flags | |
| 2499 Arguments::_AlwaysCompileLoopMethods = AlwaysCompileLoopMethods; | |
| 2500 Arguments::_UseOnStackReplacement = UseOnStackReplacement; | |
| 2501 Arguments::_ClipInlining = ClipInlining; | |
| 2502 Arguments::_BackgroundCompilation = BackgroundCompilation; | |
| 2503 | |
|
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|
2504 // Setup flags for mixed which is the default |
|
e9b8ef09622a
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diff
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|
2505 set_mode_flags(_mixed); |
|
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|
2506 |
| 0 | 2507 // Parse JAVA_TOOL_OPTIONS environment variable (if present) |
| 2508 jint result = parse_java_tool_options_environment_variable(&scp, &scp_assembly_required); | |
| 2509 if (result != JNI_OK) { | |
| 2510 return result; | |
| 2511 } | |
| 2512 | |
| 2513 // Parse JavaVMInitArgs structure passed in | |
|
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|
2514 result = parse_each_vm_init_arg(args, &scp, &scp_assembly_required, Flag::COMMAND_LINE); |
| 0 | 2515 if (result != JNI_OK) { |
| 2516 return result; | |
| 2517 } | |
| 2518 | |
| 2519 // Parse _JAVA_OPTIONS environment variable (if present) (mimics classic VM) | |
| 2520 result = parse_java_options_environment_variable(&scp, &scp_assembly_required); | |
| 2521 if (result != JNI_OK) { | |
| 2522 return result; | |
| 2523 } | |
| 2524 | |
| 2525 // Do final processing now that all arguments have been parsed | |
| 2526 result = finalize_vm_init_args(&scp, scp_assembly_required); | |
| 2527 if (result != JNI_OK) { | |
| 2528 return result; | |
| 2529 } | |
| 2530 | |
| 2531 return JNI_OK; | |
| 2532 } | |
| 2533 | |
|
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|
2534 // Checks if name in command-line argument -agent{lib,path}:name[=options] |
|
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|
2535 // represents a valid HPROF of JDWP agent. is_path==true denotes that we |
|
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|
2536 // are dealing with -agentpath (case where name is a path), otherwise with |
|
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|
2537 // -agentlib |
|
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|
2538 bool valid_hprof_or_jdwp_agent(char *name, bool is_path) { |
|
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8010428: Special -agentpath checks needed with minimal VM to produce proper error message
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|
2539 char *_name; |
|
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|
2540 const char *_hprof = "hprof", *_jdwp = "jdwp"; |
|
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|
2541 size_t _len_hprof, _len_jdwp, _len_prefix; |
|
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|
2542 |
|
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8010428: Special -agentpath checks needed with minimal VM to produce proper error message
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|
2543 if (is_path) { |
|
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8010428: Special -agentpath checks needed with minimal VM to produce proper error message
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diff
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|
2544 if ((_name = strrchr(name, (int) *os::file_separator())) == NULL) { |
|
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8010428: Special -agentpath checks needed with minimal VM to produce proper error message
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|
2545 return false; |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
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diff
changeset
|
2546 } |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
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|
2547 |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
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changeset
|
2548 _name++; // skip past last path separator |
|
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|
2549 _len_prefix = strlen(JNI_LIB_PREFIX); |
|
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8010428: Special -agentpath checks needed with minimal VM to produce proper error message
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|
2550 |
|
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|
2551 if (strncmp(_name, JNI_LIB_PREFIX, _len_prefix) != 0) { |
|
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|
2552 return false; |
|
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|
2553 } |
|
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|
2554 |
|
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|
2555 _name += _len_prefix; |
|
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|
2556 _len_hprof = strlen(_hprof); |
|
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|
2557 _len_jdwp = strlen(_jdwp); |
|
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|
2558 |
|
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|
2559 if (strncmp(_name, _hprof, _len_hprof) == 0) { |
|
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|
2560 _name += _len_hprof; |
|
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|
2561 } |
|
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|
2562 else if (strncmp(_name, _jdwp, _len_jdwp) == 0) { |
|
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|
2563 _name += _len_jdwp; |
|
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|
2564 } |
|
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|
2565 else { |
|
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|
2566 return false; |
|
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|
2567 } |
|
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|
2568 |
|
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|
2569 if (strcmp(_name, JNI_LIB_SUFFIX) != 0) { |
|
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|
2570 return false; |
|
3c0584fec1e6
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9077
diff
changeset
|
2571 } |
|
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8010428: Special -agentpath checks needed with minimal VM to produce proper error message
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9077
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changeset
|
2572 |
|
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8010428: Special -agentpath checks needed with minimal VM to produce proper error message
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diff
changeset
|
2573 return true; |
|
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9077
diff
changeset
|
2574 } |
|
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8010428: Special -agentpath checks needed with minimal VM to produce proper error message
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changeset
|
2575 |
|
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diff
changeset
|
2576 if (strcmp(name, _hprof) == 0 || strcmp(name, _jdwp) == 0) { |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
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9077
diff
changeset
|
2577 return true; |
|
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8010428: Special -agentpath checks needed with minimal VM to produce proper error message
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9077
diff
changeset
|
2578 } |
|
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8010428: Special -agentpath checks needed with minimal VM to produce proper error message
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diff
changeset
|
2579 |
|
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8010428: Special -agentpath checks needed with minimal VM to produce proper error message
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9077
diff
changeset
|
2580 return false; |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
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9077
diff
changeset
|
2581 } |
|
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|
2582 |
| 0 | 2583 jint Arguments::parse_each_vm_init_arg(const JavaVMInitArgs* args, |
| 2584 SysClassPath* scp_p, | |
| 2585 bool* scp_assembly_required_p, | |
|
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diff
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|
2586 Flag::Flags origin) { |
| 0 | 2587 // Remaining part of option string |
| 2588 const char* tail; | |
| 2589 | |
| 2590 // iterate over arguments | |
| 2591 for (int index = 0; index < args->nOptions; index++) { | |
| 2592 bool is_absolute_path = false; // for -agentpath vs -agentlib | |
| 2593 | |
| 2594 const JavaVMOption* option = args->options + index; | |
| 2595 | |
| 2596 if (!match_option(option, "-Djava.class.path", &tail) && | |
| 2597 !match_option(option, "-Dsun.java.command", &tail) && | |
| 2598 !match_option(option, "-Dsun.java.launcher", &tail)) { | |
| 2599 | |
| 2600 // add all jvm options to the jvm_args string. This string | |
| 2601 // is used later to set the java.vm.args PerfData string constant. | |
| 2602 // the -Djava.class.path and the -Dsun.java.command options are | |
| 2603 // omitted from jvm_args string as each have their own PerfData | |
| 2604 // string constant object. | |
| 2605 build_jvm_args(option->optionString); | |
| 2606 } | |
| 2607 | |
| 2608 // -verbose:[class/gc/jni] | |
| 2609 if (match_option(option, "-verbose", &tail)) { | |
| 2610 if (!strcmp(tail, ":class") || !strcmp(tail, "")) { | |
| 2611 FLAG_SET_CMDLINE(bool, TraceClassLoading, true); | |
| 2612 FLAG_SET_CMDLINE(bool, TraceClassUnloading, true); | |
| 2613 } else if (!strcmp(tail, ":gc")) { | |
| 2614 FLAG_SET_CMDLINE(bool, PrintGC, true); | |
| 2615 } else if (!strcmp(tail, ":jni")) { | |
| 2616 FLAG_SET_CMDLINE(bool, PrintJNIResolving, true); | |
| 2617 } | |
| 2618 // -da / -ea / -disableassertions / -enableassertions | |
| 2619 // These accept an optional class/package name separated by a colon, e.g., | |
| 2620 // -da:java.lang.Thread. | |
| 2621 } else if (match_option(option, user_assertion_options, &tail, true)) { | |
| 2622 bool enable = option->optionString[1] == 'e'; // char after '-' is 'e' | |
| 2623 if (*tail == '\0') { | |
| 2624 JavaAssertions::setUserClassDefault(enable); | |
| 2625 } else { | |
| 2626 assert(*tail == ':', "bogus match by match_option()"); | |
| 2627 JavaAssertions::addOption(tail + 1, enable); | |
| 2628 } | |
| 2629 // -dsa / -esa / -disablesystemassertions / -enablesystemassertions | |
| 2630 } else if (match_option(option, system_assertion_options, &tail, false)) { | |
| 2631 bool enable = option->optionString[1] == 'e'; // char after '-' is 'e' | |
| 2632 JavaAssertions::setSystemClassDefault(enable); | |
| 2633 // -bootclasspath: | |
| 2634 } else if (match_option(option, "-Xbootclasspath:", &tail)) { | |
| 2635 scp_p->reset_path(tail); | |
| 2636 *scp_assembly_required_p = true; | |
| 2637 // -bootclasspath/a: | |
| 2638 } else if (match_option(option, "-Xbootclasspath/a:", &tail)) { | |
| 2639 scp_p->add_suffix(tail); | |
| 2640 *scp_assembly_required_p = true; | |
| 2641 // -bootclasspath/p: | |
| 2642 } else if (match_option(option, "-Xbootclasspath/p:", &tail)) { | |
| 2643 scp_p->add_prefix(tail); | |
| 2644 *scp_assembly_required_p = true; | |
| 2645 // -Xrun | |
| 2646 } else if (match_option(option, "-Xrun", &tail)) { | |
|
531
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|
2647 if (tail != NULL) { |
| 0 | 2648 const char* pos = strchr(tail, ':'); |
| 2649 size_t len = (pos == NULL) ? strlen(tail) : pos - tail; | |
| 6197 | 2650 char* name = (char*)memcpy(NEW_C_HEAP_ARRAY(char, len + 1, mtInternal), tail, len); |
| 0 | 2651 name[len] = '\0'; |
| 2652 | |
| 2653 char *options = NULL; | |
| 2654 if(pos != NULL) { | |
| 2655 size_t len2 = strlen(pos+1) + 1; // options start after ':'. Final zero must be copied. | |
| 6197 | 2656 options = (char*)memcpy(NEW_C_HEAP_ARRAY(char, len2, mtInternal), pos+1, len2); |
| 0 | 2657 } |
|
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|
2658 #if !INCLUDE_JVMTI |
| 0 | 2659 if ((strcmp(name, "hprof") == 0) || (strcmp(name, "jdwp") == 0)) { |
|
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|
2660 jio_fprintf(defaultStream::error_stream(), |
|
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|
2661 "Profiling and debugging agents are not supported in this VM\n"); |
|
fad90b102190
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|
2662 return JNI_ERR; |
|
fad90b102190
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|
2663 } |
|
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|
2664 #endif // !INCLUDE_JVMTI |
|
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|
2665 add_init_library(name, options); |
| 0 | 2666 } |
| 2667 // -agentlib and -agentpath | |
| 2668 } else if (match_option(option, "-agentlib:", &tail) || | |
| 2669 (is_absolute_path = match_option(option, "-agentpath:", &tail))) { | |
| 2670 if(tail != NULL) { | |
| 2671 const char* pos = strchr(tail, '='); | |
| 2672 size_t len = (pos == NULL) ? strlen(tail) : pos - tail; | |
| 6197 | 2673 char* name = strncpy(NEW_C_HEAP_ARRAY(char, len + 1, mtInternal), tail, len); |
| 0 | 2674 name[len] = '\0'; |
| 2675 | |
| 2676 char *options = NULL; | |
| 2677 if(pos != NULL) { | |
| 6197 | 2678 options = strcpy(NEW_C_HEAP_ARRAY(char, strlen(pos + 1) + 1, mtInternal), pos + 1); |
| 0 | 2679 } |
|
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changeset
|
2680 #if !INCLUDE_JVMTI |
|
10170
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|
2681 if (valid_hprof_or_jdwp_agent(name, is_absolute_path)) { |
|
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|
2682 jio_fprintf(defaultStream::error_stream(), |
|
fad90b102190
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changeset
|
2683 "Profiling and debugging agents are not supported in this VM\n"); |
|
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changeset
|
2684 return JNI_ERR; |
|
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changeset
|
2685 } |
|
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|
2686 #endif // !INCLUDE_JVMTI |
| 0 | 2687 add_init_agent(name, options, is_absolute_path); |
| 2688 } | |
| 2689 // -javaagent | |
| 2690 } else if (match_option(option, "-javaagent:", &tail)) { | |
|
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|
2691 #if !INCLUDE_JVMTI |
|
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|
2692 jio_fprintf(defaultStream::error_stream(), |
|
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|
2693 "Instrumentation agents are not supported in this VM\n"); |
|
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|
2694 return JNI_ERR; |
|
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|
2695 #else |
| 0 | 2696 if(tail != NULL) { |
| 6197 | 2697 char *options = strcpy(NEW_C_HEAP_ARRAY(char, strlen(tail) + 1, mtInternal), tail); |
| 0 | 2698 add_init_agent("instrument", options, false); |
| 2699 } | |
|
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|
2700 #endif // !INCLUDE_JVMTI |
| 0 | 2701 // -Xnoclassgc |
| 2702 } else if (match_option(option, "-Xnoclassgc", &tail)) { | |
| 2703 FLAG_SET_CMDLINE(bool, ClassUnloading, false); | |
| 2704 // -Xincgc: i-CMS | |
| 2705 } else if (match_option(option, "-Xincgc", &tail)) { | |
| 2706 FLAG_SET_CMDLINE(bool, UseConcMarkSweepGC, true); | |
| 2707 FLAG_SET_CMDLINE(bool, CMSIncrementalMode, true); | |
| 2708 // -Xnoincgc: no i-CMS | |
| 2709 } else if (match_option(option, "-Xnoincgc", &tail)) { | |
| 2710 FLAG_SET_CMDLINE(bool, UseConcMarkSweepGC, false); | |
| 2711 FLAG_SET_CMDLINE(bool, CMSIncrementalMode, false); | |
| 2712 // -Xconcgc | |
| 2713 } else if (match_option(option, "-Xconcgc", &tail)) { | |
| 2714 FLAG_SET_CMDLINE(bool, UseConcMarkSweepGC, true); | |
| 2715 // -Xnoconcgc | |
| 2716 } else if (match_option(option, "-Xnoconcgc", &tail)) { | |
| 2717 FLAG_SET_CMDLINE(bool, UseConcMarkSweepGC, false); | |
| 2718 // -Xbatch | |
| 2719 } else if (match_option(option, "-Xbatch", &tail)) { | |
| 2720 FLAG_SET_CMDLINE(bool, BackgroundCompilation, false); | |
| 2721 // -Xmn for compatibility with other JVM vendors | |
| 2722 } else if (match_option(option, "-Xmn", &tail)) { | |
| 12831 | 2723 julong long_initial_young_size = 0; |
| 2724 ArgsRange errcode = parse_memory_size(tail, &long_initial_young_size, 1); | |
| 0 | 2725 if (errcode != arg_in_range) { |
| 2726 jio_fprintf(defaultStream::error_stream(), | |
| 12831 | 2727 "Invalid initial young generation size: %s\n", option->optionString); |
| 0 | 2728 describe_range_error(errcode); |
| 2729 return JNI_EINVAL; | |
| 2730 } | |
| 12831 | 2731 FLAG_SET_CMDLINE(uintx, MaxNewSize, (uintx)long_initial_young_size); |
| 2732 FLAG_SET_CMDLINE(uintx, NewSize, (uintx)long_initial_young_size); | |
| 0 | 2733 // -Xms |
| 2734 } else if (match_option(option, "-Xms", &tail)) { | |
|
489
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|
2735 julong long_initial_heap_size = 0; |
|
10241
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diff
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|
2736 // an initial heap size of 0 means automatically determine |
|
d17700c82d7d
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diff
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|
2737 ArgsRange errcode = parse_memory_size(tail, &long_initial_heap_size, 0); |
| 0 | 2738 if (errcode != arg_in_range) { |
| 2739 jio_fprintf(defaultStream::error_stream(), | |
| 2740 "Invalid initial heap size: %s\n", option->optionString); | |
| 2741 describe_range_error(errcode); | |
| 2742 return JNI_EINVAL; | |
| 2743 } | |
|
13059
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13008
diff
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|
2744 set_min_heap_size((uintx)long_initial_heap_size); |
| 0 | 2745 // Currently the minimum size and the initial heap sizes are the same. |
|
13059
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|
2746 // Can be overridden with -XX:InitialHeapSize. |
|
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|
2747 FLAG_SET_CMDLINE(uintx, InitialHeapSize, (uintx)long_initial_heap_size); |
| 0 | 2748 // -Xmx |
|
10241
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|
2749 } else if (match_option(option, "-Xmx", &tail) || match_option(option, "-XX:MaxHeapSize=", &tail)) { |
|
489
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|
2750 julong long_max_heap_size = 0; |
| 0 | 2751 ArgsRange errcode = parse_memory_size(tail, &long_max_heap_size, 1); |
| 2752 if (errcode != arg_in_range) { | |
| 2753 jio_fprintf(defaultStream::error_stream(), | |
| 2754 "Invalid maximum heap size: %s\n", option->optionString); | |
| 2755 describe_range_error(errcode); | |
| 2756 return JNI_EINVAL; | |
| 2757 } | |
| 1064 | 2758 FLAG_SET_CMDLINE(uintx, MaxHeapSize, (uintx)long_max_heap_size); |
| 0 | 2759 // Xmaxf |
| 2760 } else if (match_option(option, "-Xmaxf", &tail)) { | |
|
12896
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8025661: Ill-formed -Xminf and -Xmaxf options values interpreted as 0
sjohanss
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12840
diff
changeset
|
2761 char* err; |
|
027006a47a6d
8025661: Ill-formed -Xminf and -Xmaxf options values interpreted as 0
sjohanss
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diff
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|
2762 int maxf = (int)(strtod(tail, &err) * 100); |
|
17648
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|
2763 if (*err != '\0' || *tail == '\0' || maxf < 0 || maxf > 100) { |
| 0 | 2764 jio_fprintf(defaultStream::error_stream(), |
| 2765 "Bad max heap free percentage size: %s\n", | |
| 2766 option->optionString); | |
| 2767 return JNI_EINVAL; | |
| 2768 } else { | |
| 2769 FLAG_SET_CMDLINE(uintx, MaxHeapFreeRatio, maxf); | |
| 2770 } | |
| 2771 // Xminf | |
| 2772 } else if (match_option(option, "-Xminf", &tail)) { | |
|
12896
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|
2773 char* err; |
|
027006a47a6d
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diff
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|
2774 int minf = (int)(strtod(tail, &err) * 100); |
|
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|
2775 if (*err != '\0' || *tail == '\0' || minf < 0 || minf > 100) { |
| 0 | 2776 jio_fprintf(defaultStream::error_stream(), |
| 2777 "Bad min heap free percentage size: %s\n", | |
| 2778 option->optionString); | |
| 2779 return JNI_EINVAL; | |
| 2780 } else { | |
| 2781 FLAG_SET_CMDLINE(uintx, MinHeapFreeRatio, minf); | |
| 2782 } | |
| 2783 // -Xss | |
| 2784 } else if (match_option(option, "-Xss", &tail)) { | |
|
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diff
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|
2785 julong long_ThreadStackSize = 0; |
| 0 | 2786 ArgsRange errcode = parse_memory_size(tail, &long_ThreadStackSize, 1000); |
| 2787 if (errcode != arg_in_range) { | |
| 2788 jio_fprintf(defaultStream::error_stream(), | |
| 2789 "Invalid thread stack size: %s\n", option->optionString); | |
| 2790 describe_range_error(errcode); | |
| 2791 return JNI_EINVAL; | |
| 2792 } | |
| 2793 // Internally track ThreadStackSize in units of 1024 bytes. | |
| 2794 FLAG_SET_CMDLINE(intx, ThreadStackSize, | |
| 2795 round_to((int)long_ThreadStackSize, K) / K); | |
| 2796 // -Xoss | |
| 2797 } else if (match_option(option, "-Xoss", &tail)) { | |
| 2798 // HotSpot does not have separate native and Java stacks, ignore silently for compatibility | |
|
11079
738e04fb1232
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11006
diff
changeset
|
2799 } else if (match_option(option, "-XX:CodeCacheExpansionSize=", &tail)) { |
|
738e04fb1232
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diff
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|
2800 julong long_CodeCacheExpansionSize = 0; |
|
738e04fb1232
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11006
diff
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|
2801 ArgsRange errcode = parse_memory_size(tail, &long_CodeCacheExpansionSize, os::vm_page_size()); |
|
738e04fb1232
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11006
diff
changeset
|
2802 if (errcode != arg_in_range) { |
|
738e04fb1232
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anoll
parents:
11006
diff
changeset
|
2803 jio_fprintf(defaultStream::error_stream(), |
|
738e04fb1232
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anoll
parents:
11006
diff
changeset
|
2804 "Invalid argument: %s. Must be at least %luK.\n", option->optionString, |
|
738e04fb1232
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11006
diff
changeset
|
2805 os::vm_page_size()/K); |
|
738e04fb1232
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diff
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|
2806 return JNI_EINVAL; |
|
738e04fb1232
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diff
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|
2807 } |
|
738e04fb1232
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11006
diff
changeset
|
2808 FLAG_SET_CMDLINE(uintx, CodeCacheExpansionSize, (uintx)long_CodeCacheExpansionSize); |
|
2095
36c186bcc085
6302804: Hotspot VM dies ungraceful death when C heap is exhausted in various places.
coleenp
parents:
2002
diff
changeset
|
2809 } else if (match_option(option, "-Xmaxjitcodesize", &tail) || |
|
36c186bcc085
6302804: Hotspot VM dies ungraceful death when C heap is exhausted in various places.
coleenp
parents:
2002
diff
changeset
|
2810 match_option(option, "-XX:ReservedCodeCacheSize=", &tail)) { |
|
489
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6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
2811 julong long_ReservedCodeCacheSize = 0; |
|
11079
738e04fb1232
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diff
changeset
|
2812 |
|
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
|
2813 ArgsRange errcode = parse_memory_size(tail, &long_ReservedCodeCacheSize, 1); |
| 0 | 2814 if (errcode != arg_in_range) { |
| 2815 jio_fprintf(defaultStream::error_stream(), | |
|
10392
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parents:
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diff
changeset
|
2816 "Invalid maximum code cache size: %s.\n", option->optionString); |
| 0 | 2817 return JNI_EINVAL; |
| 2818 } | |
| 2819 FLAG_SET_CMDLINE(uintx, ReservedCodeCacheSize, (uintx)long_ReservedCodeCacheSize); | |
|
10319
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
parents:
10294
diff
changeset
|
2820 //-XX:IncreaseFirstTierCompileThresholdAt= |
|
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
parents:
10294
diff
changeset
|
2821 } else if (match_option(option, "-XX:IncreaseFirstTierCompileThresholdAt=", &tail)) { |
|
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
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parents:
10294
diff
changeset
|
2822 uintx uint_IncreaseFirstTierCompileThresholdAt = 0; |
|
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
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parents:
10294
diff
changeset
|
2823 if (!parse_uintx(tail, &uint_IncreaseFirstTierCompileThresholdAt, 0) || uint_IncreaseFirstTierCompileThresholdAt > 99) { |
|
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
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10294
diff
changeset
|
2824 jio_fprintf(defaultStream::error_stream(), |
|
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
parents:
10294
diff
changeset
|
2825 "Invalid value for IncreaseFirstTierCompileThresholdAt: %s. Should be between 0 and 99.\n", |
|
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
parents:
10294
diff
changeset
|
2826 option->optionString); |
|
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
parents:
10294
diff
changeset
|
2827 return JNI_EINVAL; |
|
91eba9f82325
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anoll
parents:
10294
diff
changeset
|
2828 } |
|
91eba9f82325
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anoll
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10294
diff
changeset
|
2829 FLAG_SET_CMDLINE(uintx, IncreaseFirstTierCompileThresholdAt, (uintx)uint_IncreaseFirstTierCompileThresholdAt); |
| 0 | 2830 // -green |
| 2831 } else if (match_option(option, "-green", &tail)) { | |
| 2832 jio_fprintf(defaultStream::error_stream(), | |
| 2833 "Green threads support not available\n"); | |
| 2834 return JNI_EINVAL; | |
| 2835 // -native | |
| 2836 } else if (match_option(option, "-native", &tail)) { | |
| 2837 // HotSpot always uses native threads, ignore silently for compatibility | |
| 2838 // -Xsqnopause | |
| 2839 } else if (match_option(option, "-Xsqnopause", &tail)) { | |
| 2840 // EVM option, ignore silently for compatibility | |
| 2841 // -Xrs | |
| 2842 } else if (match_option(option, "-Xrs", &tail)) { | |
| 2843 // Classic/EVM option, new functionality | |
| 2844 FLAG_SET_CMDLINE(bool, ReduceSignalUsage, true); | |
| 2845 } else if (match_option(option, "-Xusealtsigs", &tail)) { | |
| 2846 // change default internal VM signals used - lower case for back compat | |
| 2847 FLAG_SET_CMDLINE(bool, UseAltSigs, true); | |
| 2848 // -Xoptimize | |
| 2849 } else if (match_option(option, "-Xoptimize", &tail)) { | |
| 2850 // EVM option, ignore silently for compatibility | |
| 2851 // -Xprof | |
| 2852 } else if (match_option(option, "-Xprof", &tail)) { | |
|
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|
2853 #if INCLUDE_FPROF |
| 0 | 2854 _has_profile = true; |
|
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|
2855 #else // INCLUDE_FPROF |
|
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|
2856 jio_fprintf(defaultStream::error_stream(), |
|
fad90b102190
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8105
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|
2857 "Flat profiling is not supported in this VM.\n"); |
|
fad90b102190
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8105
diff
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|
2858 return JNI_ERR; |
|
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|
2859 #endif // INCLUDE_FPROF |
| 0 | 2860 // -Xconcurrentio |
| 2861 } else if (match_option(option, "-Xconcurrentio", &tail)) { | |
| 2862 FLAG_SET_CMDLINE(bool, UseLWPSynchronization, true); | |
| 2863 FLAG_SET_CMDLINE(bool, BackgroundCompilation, false); | |
| 2864 FLAG_SET_CMDLINE(intx, DeferThrSuspendLoopCount, 1); | |
| 2865 FLAG_SET_CMDLINE(bool, UseTLAB, false); | |
| 2866 FLAG_SET_CMDLINE(uintx, NewSizeThreadIncrease, 16 * K); // 20Kb per thread added to new generation | |
| 2867 | |
| 2868 // -Xinternalversion | |
| 2869 } else if (match_option(option, "-Xinternalversion", &tail)) { | |
| 2870 jio_fprintf(defaultStream::output_stream(), "%s\n", | |
| 2871 VM_Version::internal_vm_info_string()); | |
| 2872 vm_exit(0); | |
| 2873 #ifndef PRODUCT | |
| 2874 // -Xprintflags | |
| 2875 } else if (match_option(option, "-Xprintflags", &tail)) { | |
| 4773 | 2876 CommandLineFlags::printFlags(tty, false); |
| 0 | 2877 vm_exit(0); |
| 2878 #endif | |
| 2879 // -D | |
| 2880 } else if (match_option(option, "-D", &tail)) { | |
| 2881 if (!add_property(tail)) { | |
| 2882 return JNI_ENOMEM; | |
| 2883 } | |
| 2884 // Out of the box management support | |
| 2885 if (match_option(option, "-Dcom.sun.management", &tail)) { | |
|
8081
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8003539: Minimal VM don't react to -Dcom.sun.management and -XX:+ManagementServer
jprovino
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8002
diff
changeset
|
2886 #if INCLUDE_MANAGEMENT |
| 0 | 2887 FLAG_SET_CMDLINE(bool, ManagementServer, true); |
|
8081
579f6adb7f51
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jprovino
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diff
changeset
|
2888 #else |
|
8720
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8105
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changeset
|
2889 jio_fprintf(defaultStream::output_stream(), |
|
fad90b102190
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8105
diff
changeset
|
2890 "-Dcom.sun.management is not supported in this VM.\n"); |
|
fad90b102190
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parents:
8105
diff
changeset
|
2891 return JNI_ERR; |
|
8081
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jprovino
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8002
diff
changeset
|
2892 #endif |
| 0 | 2893 } |
| 2894 // -Xint | |
| 2895 } else if (match_option(option, "-Xint", &tail)) { | |
| 2896 set_mode_flags(_int); | |
| 2897 // -Xmixed | |
| 2898 } else if (match_option(option, "-Xmixed", &tail)) { | |
| 2899 set_mode_flags(_mixed); | |
| 2900 // -Xcomp | |
| 2901 } else if (match_option(option, "-Xcomp", &tail)) { | |
| 2902 // for testing the compiler; turn off all flags that inhibit compilation | |
| 2903 set_mode_flags(_comp); | |
| 2904 // -Xshare:dump | |
| 2905 } else if (match_option(option, "-Xshare:dump", &tail)) { | |
| 2906 FLAG_SET_CMDLINE(bool, DumpSharedSpaces, true); | |
| 2907 set_mode_flags(_int); // Prevent compilation, which creates objects | |
| 2908 // -Xshare:on | |
| 2909 } else if (match_option(option, "-Xshare:on", &tail)) { | |
| 2910 FLAG_SET_CMDLINE(bool, UseSharedSpaces, true); | |
| 2911 FLAG_SET_CMDLINE(bool, RequireSharedSpaces, true); | |
| 2912 // -Xshare:auto | |
| 2913 } else if (match_option(option, "-Xshare:auto", &tail)) { | |
| 2914 FLAG_SET_CMDLINE(bool, UseSharedSpaces, true); | |
| 2915 FLAG_SET_CMDLINE(bool, RequireSharedSpaces, false); | |
| 2916 // -Xshare:off | |
| 2917 } else if (match_option(option, "-Xshare:off", &tail)) { | |
| 2918 FLAG_SET_CMDLINE(bool, UseSharedSpaces, false); | |
| 2919 FLAG_SET_CMDLINE(bool, RequireSharedSpaces, false); | |
| 2920 // -Xverify | |
| 2921 } else if (match_option(option, "-Xverify", &tail)) { | |
| 2922 if (strcmp(tail, ":all") == 0 || strcmp(tail, "") == 0) { | |
| 2923 FLAG_SET_CMDLINE(bool, BytecodeVerificationLocal, true); | |
| 2924 FLAG_SET_CMDLINE(bool, BytecodeVerificationRemote, true); | |
| 2925 } else if (strcmp(tail, ":remote") == 0) { | |
| 2926 FLAG_SET_CMDLINE(bool, BytecodeVerificationLocal, false); | |
| 2927 FLAG_SET_CMDLINE(bool, BytecodeVerificationRemote, true); | |
| 2928 } else if (strcmp(tail, ":none") == 0) { | |
| 2929 FLAG_SET_CMDLINE(bool, BytecodeVerificationLocal, false); | |
| 2930 FLAG_SET_CMDLINE(bool, BytecodeVerificationRemote, false); | |
| 2931 } else if (is_bad_option(option, args->ignoreUnrecognized, "verification")) { | |
| 2932 return JNI_EINVAL; | |
| 2933 } | |
| 2934 // -Xdebug | |
| 2935 } else if (match_option(option, "-Xdebug", &tail)) { | |
| 2936 // note this flag has been used, then ignore | |
| 2937 set_xdebug_mode(true); | |
| 2938 // -Xnoagent | |
| 2939 } else if (match_option(option, "-Xnoagent", &tail)) { | |
| 2940 // For compatibility with classic. HotSpot refuses to load the old style agent.dll. | |
| 2941 } else if (match_option(option, "-Xboundthreads", &tail)) { | |
| 2942 // Bind user level threads to kernel threads (Solaris only) | |
| 2943 FLAG_SET_CMDLINE(bool, UseBoundThreads, true); | |
| 2944 } else if (match_option(option, "-Xloggc:", &tail)) { | |
| 2945 // Redirect GC output to the file. -Xloggc:<filename> | |
| 2946 // ostream_init_log(), when called will use this filename | |
| 2947 // to initialize a fileStream. | |
| 2948 _gc_log_filename = strdup(tail); | |
| 12215 | 2949 if (!is_filename_valid(_gc_log_filename)) { |
| 2950 jio_fprintf(defaultStream::output_stream(), | |
| 2951 "Invalid file name for use with -Xloggc: Filename can only contain the " | |
| 2952 "characters [A-Z][a-z][0-9]-_.%%[p|t] but it has been %s\n" | |
| 2953 "Note %%p or %%t can only be used once\n", _gc_log_filename); | |
| 2954 return JNI_EINVAL; | |
| 2955 } | |
| 0 | 2956 FLAG_SET_CMDLINE(bool, PrintGC, true); |
| 2957 FLAG_SET_CMDLINE(bool, PrintGCTimeStamps, true); | |
| 2958 | |
| 2959 // JNI hooks | |
| 2960 } else if (match_option(option, "-Xcheck", &tail)) { | |
| 2961 if (!strcmp(tail, ":jni")) { | |
|
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|
2962 #if !INCLUDE_JNI_CHECK |
|
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|
2963 warning("JNI CHECKING is not supported in this VM"); |
|
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|
2964 #else |
| 0 | 2965 CheckJNICalls = true; |
|
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|
2966 #endif // INCLUDE_JNI_CHECK |
| 0 | 2967 } else if (is_bad_option(option, args->ignoreUnrecognized, |
| 2968 "check")) { | |
| 2969 return JNI_EINVAL; | |
| 2970 } | |
| 2971 } else if (match_option(option, "vfprintf", &tail)) { | |
| 2972 _vfprintf_hook = CAST_TO_FN_PTR(vfprintf_hook_t, option->extraInfo); | |
| 2973 } else if (match_option(option, "exit", &tail)) { | |
| 2974 _exit_hook = CAST_TO_FN_PTR(exit_hook_t, option->extraInfo); | |
| 2975 } else if (match_option(option, "abort", &tail)) { | |
| 2976 _abort_hook = CAST_TO_FN_PTR(abort_hook_t, option->extraInfo); | |
| 2977 // -XX:+AggressiveHeap | |
| 2978 } else if (match_option(option, "-XX:+AggressiveHeap", &tail)) { | |
| 2979 | |
| 2980 // This option inspects the machine and attempts to set various | |
| 2981 // parameters to be optimal for long-running, memory allocation | |
| 2982 // intensive jobs. It is intended for machines with large | |
| 2983 // amounts of cpu and memory. | |
| 2984 | |
| 2985 // initHeapSize is needed since _initial_heap_size is 4 bytes on a 32 bit | |
| 2986 // VM, but we may not be able to represent the total physical memory | |
| 2987 // available (like having 8gb of memory on a box but using a 32bit VM). | |
| 2988 // Thus, we need to make sure we're using a julong for intermediate | |
| 2989 // calculations. | |
| 2990 julong initHeapSize; | |
| 2991 julong total_memory = os::physical_memory(); | |
| 2992 | |
| 2993 if (total_memory < (julong)256*M) { | |
| 2994 jio_fprintf(defaultStream::error_stream(), | |
| 2995 "You need at least 256mb of memory to use -XX:+AggressiveHeap\n"); | |
| 2996 vm_exit(1); | |
| 2997 } | |
| 2998 | |
| 2999 // The heap size is half of available memory, or (at most) | |
| 3000 // all of possible memory less 160mb (leaving room for the OS | |
| 3001 // when using ISM). This is the maximum; because adaptive sizing | |
| 3002 // is turned on below, the actual space used may be smaller. | |
| 3003 | |
| 3004 initHeapSize = MIN2(total_memory / (julong)2, | |
| 3005 total_memory - (julong)160*M); | |
| 3006 | |
|
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|
3007 initHeapSize = limit_by_allocatable_memory(initHeapSize); |
| 0 | 3008 |
| 3009 if (FLAG_IS_DEFAULT(MaxHeapSize)) { | |
| 3010 FLAG_SET_CMDLINE(uintx, MaxHeapSize, initHeapSize); | |
| 1064 | 3011 FLAG_SET_CMDLINE(uintx, InitialHeapSize, initHeapSize); |
| 0 | 3012 // Currently the minimum size and the initial heap sizes are the same. |
| 1064 | 3013 set_min_heap_size(initHeapSize); |
| 0 | 3014 } |
| 3015 if (FLAG_IS_DEFAULT(NewSize)) { | |
| 3016 // Make the young generation 3/8ths of the total heap. | |
| 3017 FLAG_SET_CMDLINE(uintx, NewSize, | |
| 3018 ((julong)MaxHeapSize / (julong)8) * (julong)3); | |
| 3019 FLAG_SET_CMDLINE(uintx, MaxNewSize, NewSize); | |
| 3020 } | |
| 3021 | |
|
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|
3022 #ifndef _ALLBSD_SOURCE // UseLargePages is not yet supported on BSD. |
| 0 | 3023 FLAG_SET_DEFAULT(UseLargePages, true); |
|
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|
3024 #endif |
| 0 | 3025 |
| 3026 // Increase some data structure sizes for efficiency | |
| 3027 FLAG_SET_CMDLINE(uintx, BaseFootPrintEstimate, MaxHeapSize); | |
| 3028 FLAG_SET_CMDLINE(bool, ResizeTLAB, false); | |
| 3029 FLAG_SET_CMDLINE(uintx, TLABSize, 256*K); | |
| 3030 | |
| 3031 // See the OldPLABSize comment below, but replace 'after promotion' | |
| 3032 // with 'after copying'. YoungPLABSize is the size of the survivor | |
| 3033 // space per-gc-thread buffers. The default is 4kw. | |
| 3034 FLAG_SET_CMDLINE(uintx, YoungPLABSize, 256*K); // Note: this is in words | |
| 3035 | |
| 3036 // OldPLABSize is the size of the buffers in the old gen that | |
| 3037 // UseParallelGC uses to promote live data that doesn't fit in the | |
| 3038 // survivor spaces. At any given time, there's one for each gc thread. | |
| 3039 // The default size is 1kw. These buffers are rarely used, since the | |
| 3040 // survivor spaces are usually big enough. For specjbb, however, there | |
| 3041 // are occasions when there's lots of live data in the young gen | |
| 3042 // and we end up promoting some of it. We don't have a definite | |
| 3043 // explanation for why bumping OldPLABSize helps, but the theory | |
| 3044 // is that a bigger PLAB results in retaining something like the | |
| 3045 // original allocation order after promotion, which improves mutator | |
| 3046 // locality. A minor effect may be that larger PLABs reduce the | |
| 3047 // number of PLAB allocation events during gc. The value of 8kw | |
| 3048 // was arrived at by experimenting with specjbb. | |
| 3049 FLAG_SET_CMDLINE(uintx, OldPLABSize, 8*K); // Note: this is in words | |
| 3050 | |
| 3051 // Enable parallel GC and adaptive generation sizing | |
| 3052 FLAG_SET_CMDLINE(bool, UseParallelGC, true); | |
|
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diff
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|
3053 FLAG_SET_DEFAULT(ParallelGCThreads, |
|
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diff
changeset
|
3054 Abstract_VM_Version::parallel_worker_threads()); |
| 0 | 3055 |
| 3056 // Encourage steady state memory management | |
| 3057 FLAG_SET_CMDLINE(uintx, ThresholdTolerance, 100); | |
| 3058 | |
| 3059 // This appears to improve mutator locality | |
| 3060 FLAG_SET_CMDLINE(bool, ScavengeBeforeFullGC, false); | |
| 3061 | |
| 3062 // Get around early Solaris scheduling bug | |
| 3063 // (affinity vs other jobs on system) | |
| 3064 // but disallow DR and offlining (5008695). | |
| 3065 FLAG_SET_CMDLINE(bool, BindGCTaskThreadsToCPUs, true); | |
| 3066 | |
| 3067 } else if (match_option(option, "-XX:+NeverTenure", &tail)) { | |
| 3068 // The last option must always win. | |
| 3069 FLAG_SET_CMDLINE(bool, AlwaysTenure, false); | |
| 3070 FLAG_SET_CMDLINE(bool, NeverTenure, true); | |
| 3071 } else if (match_option(option, "-XX:+AlwaysTenure", &tail)) { | |
| 3072 // The last option must always win. | |
| 3073 FLAG_SET_CMDLINE(bool, NeverTenure, false); | |
| 3074 FLAG_SET_CMDLINE(bool, AlwaysTenure, true); | |
| 3075 } else if (match_option(option, "-XX:+CMSPermGenSweepingEnabled", &tail) || | |
| 3076 match_option(option, "-XX:-CMSPermGenSweepingEnabled", &tail)) { | |
| 3077 jio_fprintf(defaultStream::error_stream(), | |
| 3078 "Please use CMSClassUnloadingEnabled in place of " | |
| 3079 "CMSPermGenSweepingEnabled in the future\n"); | |
| 3080 } else if (match_option(option, "-XX:+UseGCTimeLimit", &tail)) { | |
| 3081 FLAG_SET_CMDLINE(bool, UseGCOverheadLimit, true); | |
| 3082 jio_fprintf(defaultStream::error_stream(), | |
| 3083 "Please use -XX:+UseGCOverheadLimit in place of " | |
| 3084 "-XX:+UseGCTimeLimit in the future\n"); | |
| 3085 } else if (match_option(option, "-XX:-UseGCTimeLimit", &tail)) { | |
| 3086 FLAG_SET_CMDLINE(bool, UseGCOverheadLimit, false); | |
| 3087 jio_fprintf(defaultStream::error_stream(), | |
| 3088 "Please use -XX:-UseGCOverheadLimit in place of " | |
| 3089 "-XX:-UseGCTimeLimit in the future\n"); | |
| 3090 // The TLE options are for compatibility with 1.3 and will be | |
| 3091 // removed without notice in a future release. These options | |
| 3092 // are not to be documented. | |
| 3093 } else if (match_option(option, "-XX:MaxTLERatio=", &tail)) { | |
| 3094 // No longer used. | |
| 3095 } else if (match_option(option, "-XX:+ResizeTLE", &tail)) { | |
| 3096 FLAG_SET_CMDLINE(bool, ResizeTLAB, true); | |
| 3097 } else if (match_option(option, "-XX:-ResizeTLE", &tail)) { | |
| 3098 FLAG_SET_CMDLINE(bool, ResizeTLAB, false); | |
| 3099 } else if (match_option(option, "-XX:+PrintTLE", &tail)) { | |
| 3100 FLAG_SET_CMDLINE(bool, PrintTLAB, true); | |
| 3101 } else if (match_option(option, "-XX:-PrintTLE", &tail)) { | |
| 3102 FLAG_SET_CMDLINE(bool, PrintTLAB, false); | |
| 3103 } else if (match_option(option, "-XX:TLEFragmentationRatio=", &tail)) { | |
| 3104 // No longer used. | |
| 3105 } else if (match_option(option, "-XX:TLESize=", &tail)) { | |
|
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|
3106 julong long_tlab_size = 0; |
| 0 | 3107 ArgsRange errcode = parse_memory_size(tail, &long_tlab_size, 1); |
| 3108 if (errcode != arg_in_range) { | |
| 3109 jio_fprintf(defaultStream::error_stream(), | |
| 3110 "Invalid TLAB size: %s\n", option->optionString); | |
| 3111 describe_range_error(errcode); | |
| 3112 return JNI_EINVAL; | |
| 3113 } | |
| 3114 FLAG_SET_CMDLINE(uintx, TLABSize, long_tlab_size); | |
| 3115 } else if (match_option(option, "-XX:TLEThreadRatio=", &tail)) { | |
| 3116 // No longer used. | |
| 3117 } else if (match_option(option, "-XX:+UseTLE", &tail)) { | |
| 3118 FLAG_SET_CMDLINE(bool, UseTLAB, true); | |
| 3119 } else if (match_option(option, "-XX:-UseTLE", &tail)) { | |
| 3120 FLAG_SET_CMDLINE(bool, UseTLAB, false); | |
| 3121 } else if (match_option(option, "-XX:+DisplayVMOutputToStderr", &tail)) { | |
| 3122 FLAG_SET_CMDLINE(bool, DisplayVMOutputToStdout, false); | |
| 3123 FLAG_SET_CMDLINE(bool, DisplayVMOutputToStderr, true); | |
| 3124 } else if (match_option(option, "-XX:+DisplayVMOutputToStdout", &tail)) { | |
| 3125 FLAG_SET_CMDLINE(bool, DisplayVMOutputToStderr, false); | |
| 3126 FLAG_SET_CMDLINE(bool, DisplayVMOutputToStdout, true); | |
| 3127 } else if (match_option(option, "-XX:+ExtendedDTraceProbes", &tail)) { | |
| 4006 | 3128 #if defined(DTRACE_ENABLED) |
| 0 | 3129 FLAG_SET_CMDLINE(bool, ExtendedDTraceProbes, true); |
| 3130 FLAG_SET_CMDLINE(bool, DTraceMethodProbes, true); | |
| 3131 FLAG_SET_CMDLINE(bool, DTraceAllocProbes, true); | |
| 3132 FLAG_SET_CMDLINE(bool, DTraceMonitorProbes, true); | |
| 4006 | 3133 #else // defined(DTRACE_ENABLED) |
| 0 | 3134 jio_fprintf(defaultStream::error_stream(), |
| 4006 | 3135 "ExtendedDTraceProbes flag is not applicable for this configuration\n"); |
| 0 | 3136 return JNI_EINVAL; |
| 4006 | 3137 #endif // defined(DTRACE_ENABLED) |
| 0 | 3138 #ifdef ASSERT |
|
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6631166: CMS: better heuristics when combatting fragmentation
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diff
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|
3139 } else if (match_option(option, "-XX:+FullGCALot", &tail)) { |
| 0 | 3140 FLAG_SET_CMDLINE(bool, FullGCALot, true); |
| 3141 // disable scavenge before parallel mark-compact | |
| 3142 FLAG_SET_CMDLINE(bool, ScavengeBeforeFullGC, false); | |
| 3143 #endif | |
|
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6631166: CMS: better heuristics when combatting fragmentation
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|
3144 } else if (match_option(option, "-XX:CMSParPromoteBlocksToClaim=", &tail)) { |
| 0 | 3145 julong cms_blocks_to_claim = (julong)atol(tail); |
| 3146 FLAG_SET_CMDLINE(uintx, CMSParPromoteBlocksToClaim, cms_blocks_to_claim); | |
| 3147 jio_fprintf(defaultStream::error_stream(), | |
|
1145
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diff
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|
3148 "Please use -XX:OldPLABSize in place of " |
|
e018e6884bd8
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|
3149 "-XX:CMSParPromoteBlocksToClaim in the future\n"); |
|
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
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1074
diff
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|
3150 } else if (match_option(option, "-XX:ParCMSPromoteBlocksToClaim=", &tail)) { |
|
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
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1074
diff
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|
3151 julong cms_blocks_to_claim = (julong)atol(tail); |
|
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6631166: CMS: better heuristics when combatting fragmentation
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|
3152 FLAG_SET_CMDLINE(uintx, CMSParPromoteBlocksToClaim, cms_blocks_to_claim); |
|
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
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|
3153 jio_fprintf(defaultStream::error_stream(), |
|
e018e6884bd8
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diff
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|
3154 "Please use -XX:OldPLABSize in place of " |
| 0 | 3155 "-XX:ParCMSPromoteBlocksToClaim in the future\n"); |
|
1145
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diff
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|
3156 } else if (match_option(option, "-XX:ParallelGCOldGenAllocBufferSize=", &tail)) { |
|
489
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diff
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|
3157 julong old_plab_size = 0; |
| 0 | 3158 ArgsRange errcode = parse_memory_size(tail, &old_plab_size, 1); |
| 3159 if (errcode != arg_in_range) { | |
| 3160 jio_fprintf(defaultStream::error_stream(), | |
| 3161 "Invalid old PLAB size: %s\n", option->optionString); | |
| 3162 describe_range_error(errcode); | |
| 3163 return JNI_EINVAL; | |
| 3164 } | |
|
489
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6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
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483
diff
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|
3165 FLAG_SET_CMDLINE(uintx, OldPLABSize, old_plab_size); |
| 0 | 3166 jio_fprintf(defaultStream::error_stream(), |
| 3167 "Please use -XX:OldPLABSize in place of " | |
| 3168 "-XX:ParallelGCOldGenAllocBufferSize in the future\n"); | |
|
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|
3169 } else if (match_option(option, "-XX:ParallelGCToSpaceAllocBufferSize=", &tail)) { |
|
489
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|
3170 julong young_plab_size = 0; |
| 0 | 3171 ArgsRange errcode = parse_memory_size(tail, &young_plab_size, 1); |
| 3172 if (errcode != arg_in_range) { | |
| 3173 jio_fprintf(defaultStream::error_stream(), | |
| 3174 "Invalid young PLAB size: %s\n", option->optionString); | |
| 3175 describe_range_error(errcode); | |
| 3176 return JNI_EINVAL; | |
| 3177 } | |
|
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|
3178 FLAG_SET_CMDLINE(uintx, YoungPLABSize, young_plab_size); |
| 0 | 3179 jio_fprintf(defaultStream::error_stream(), |
| 3180 "Please use -XX:YoungPLABSize in place of " | |
| 3181 "-XX:ParallelGCToSpaceAllocBufferSize in the future\n"); | |
| 1284 | 3182 } else if (match_option(option, "-XX:CMSMarkStackSize=", &tail) || |
| 3183 match_option(option, "-XX:G1MarkStackSize=", &tail)) { | |
| 3184 julong stack_size = 0; | |
| 3185 ArgsRange errcode = parse_memory_size(tail, &stack_size, 1); | |
| 3186 if (errcode != arg_in_range) { | |
| 3187 jio_fprintf(defaultStream::error_stream(), | |
| 3188 "Invalid mark stack size: %s\n", option->optionString); | |
| 3189 describe_range_error(errcode); | |
| 3190 return JNI_EINVAL; | |
| 3191 } | |
| 3192 FLAG_SET_CMDLINE(uintx, MarkStackSize, stack_size); | |
| 3193 } else if (match_option(option, "-XX:CMSMarkStackSizeMax=", &tail)) { | |
| 3194 julong max_stack_size = 0; | |
| 3195 ArgsRange errcode = parse_memory_size(tail, &max_stack_size, 1); | |
| 3196 if (errcode != arg_in_range) { | |
| 3197 jio_fprintf(defaultStream::error_stream(), | |
| 3198 "Invalid maximum mark stack size: %s\n", | |
| 3199 option->optionString); | |
| 3200 describe_range_error(errcode); | |
| 3201 return JNI_EINVAL; | |
| 3202 } | |
| 3203 FLAG_SET_CMDLINE(uintx, MarkStackSizeMax, max_stack_size); | |
| 3204 } else if (match_option(option, "-XX:ParallelMarkingThreads=", &tail) || | |
| 3205 match_option(option, "-XX:ParallelCMSThreads=", &tail)) { | |
| 3206 uintx conc_threads = 0; | |
| 3207 if (!parse_uintx(tail, &conc_threads, 1)) { | |
| 3208 jio_fprintf(defaultStream::error_stream(), | |
| 3209 "Invalid concurrent threads: %s\n", option->optionString); | |
| 3210 return JNI_EINVAL; | |
| 3211 } | |
| 3212 FLAG_SET_CMDLINE(uintx, ConcGCThreads, conc_threads); | |
|
6199
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6198
diff
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|
3213 } else if (match_option(option, "-XX:MaxDirectMemorySize=", &tail)) { |
|
3f1ab0c19c30
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6198
diff
changeset
|
3214 julong max_direct_memory_size = 0; |
|
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
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6198
diff
changeset
|
3215 ArgsRange errcode = parse_memory_size(tail, &max_direct_memory_size, 0); |
|
3f1ab0c19c30
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dholmes
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6198
diff
changeset
|
3216 if (errcode != arg_in_range) { |
|
3f1ab0c19c30
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dholmes
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6198
diff
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|
3217 jio_fprintf(defaultStream::error_stream(), |
|
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
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6198
diff
changeset
|
3218 "Invalid maximum direct memory size: %s\n", |
|
3f1ab0c19c30
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dholmes
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6198
diff
changeset
|
3219 option->optionString); |
|
3f1ab0c19c30
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dholmes
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6198
diff
changeset
|
3220 describe_range_error(errcode); |
|
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
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6198
diff
changeset
|
3221 return JNI_EINVAL; |
|
3f1ab0c19c30
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dholmes
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diff
changeset
|
3222 } |
|
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3223 FLAG_SET_CMDLINE(uintx, MaxDirectMemorySize, max_direct_memory_size); |
|
6878
85916677fc22
7188233: UseVMInterruptibleIO flag deprecate for JDK8
coleenp
parents:
6857
diff
changeset
|
3224 } else if (match_option(option, "-XX:+UseVMInterruptibleIO", &tail)) { |
|
85916677fc22
7188233: UseVMInterruptibleIO flag deprecate for JDK8
coleenp
parents:
6857
diff
changeset
|
3225 // NOTE! In JDK 9, the UseVMInterruptibleIO flag will completely go |
|
85916677fc22
7188233: UseVMInterruptibleIO flag deprecate for JDK8
coleenp
parents:
6857
diff
changeset
|
3226 // away and will cause VM initialization failures! |
|
85916677fc22
7188233: UseVMInterruptibleIO flag deprecate for JDK8
coleenp
parents:
6857
diff
changeset
|
3227 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
|
3228 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
|
3229 #if !INCLUDE_MANAGEMENT |
|
579f6adb7f51
8003539: Minimal VM don't react to -Dcom.sun.management and -XX:+ManagementServer
jprovino
parents:
8002
diff
changeset
|
3230 } 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
|
3231 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
|
3232 "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
|
3233 return JNI_ERR; |
|
8081
579f6adb7f51
8003539: Minimal VM don't react to -Dcom.sun.management and -XX:+ManagementServer
jprovino
parents:
8002
diff
changeset
|
3234 #endif // INCLUDE_MANAGEMENT |
|
1145
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3235 } else if (match_option(option, "-XX:", &tail)) { // -XX:xxxx |
| 0 | 3236 // Skip -XX:Flags= since that case has already been handled |
| 3237 if (strncmp(tail, "Flags=", strlen("Flags=")) != 0) { | |
| 3238 if (!process_argument(tail, args->ignoreUnrecognized, origin)) { | |
| 3239 return JNI_EINVAL; | |
| 3240 } | |
| 3241 } | |
| 3242 // Unknown option | |
| 3243 } else if (is_bad_option(option, args->ignoreUnrecognized)) { | |
| 3244 return JNI_ERR; | |
| 3245 } | |
| 3246 } | |
|
3767
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
3247 |
|
20375
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3248 // PrintSharedArchiveAndExit will turn on |
|
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3249 // -Xshare:on |
|
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3250 // -XX:+TraceClassPaths |
|
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3251 if (PrintSharedArchiveAndExit) { |
|
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3252 FLAG_SET_CMDLINE(bool, UseSharedSpaces, true); |
|
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3253 FLAG_SET_CMDLINE(bool, RequireSharedSpaces, true); |
|
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3254 FLAG_SET_CMDLINE(bool, TraceClassPaths, true); |
|
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3255 } |
|
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3256 |
|
449
171e581e8161
6554406: Change switch UseVMInterruptibleIO default to false (sol)
xlu
parents:
420
diff
changeset
|
3257 // 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
|
3258 // when working with older JDKs. |
|
1679
3d90023429ec
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
1628
diff
changeset
|
3259 #ifdef LINUX |
|
3d90023429ec
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
1628
diff
changeset
|
3260 if (JDK_Version::current().compare_major(6) <= 0 && |
|
3d90023429ec
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
1628
diff
changeset
|
3261 FLAG_IS_DEFAULT(UseLinuxPosixThreadCPUClocks)) { |
|
3d90023429ec
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
1628
diff
changeset
|
3262 FLAG_SET_DEFAULT(UseLinuxPosixThreadCPUClocks, false); |
|
3d90023429ec
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
1628
diff
changeset
|
3263 } |
|
3d90023429ec
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
1628
diff
changeset
|
3264 #endif // LINUX |
|
20375
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3265 fix_appclasspath(); |
| 0 | 3266 return JNI_OK; |
| 3267 } | |
| 3268 | |
|
20375
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3269 // Remove all empty paths from the app classpath (if IgnoreEmptyClassPaths is enabled) |
|
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3270 // |
|
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3271 // This is necessary because some apps like to specify classpath like -cp foo.jar:${XYZ}:bar.jar |
|
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3272 // in their start-up scripts. If XYZ is empty, the classpath will look like "-cp foo.jar::bar.jar". |
|
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3273 // Java treats such empty paths as if the user specified "-cp foo.jar:.:bar.jar". I.e., an empty |
|
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3274 // path is treated as the current directory. |
|
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3275 // |
|
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3276 // This causes problems with CDS, which requires that all directories specified in the classpath |
|
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3277 // must be empty. In most cases, applications do NOT want to load classes from the current |
|
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3278 // directory anyway. Adding -XX:+IgnoreEmptyClassPaths will make these applications' start-up |
|
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3279 // scripts compatible with CDS. |
|
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3280 void Arguments::fix_appclasspath() { |
|
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3281 if (IgnoreEmptyClassPaths) { |
|
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3282 const char separator = *os::path_separator(); |
|
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3283 const char* src = _java_class_path->value(); |
|
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3284 |
|
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3285 // skip over all the leading empty paths |
|
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3286 while (*src == separator) { |
|
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3287 src ++; |
|
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3288 } |
|
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3289 |
|
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3290 char* copy = AllocateHeap(strlen(src) + 1, mtInternal); |
|
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3291 strncpy(copy, src, strlen(src) + 1); |
|
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3292 |
|
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3293 // trim all trailing empty paths |
|
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3294 for (char* tail = copy + strlen(copy) - 1; tail >= copy && *tail == separator; tail--) { |
|
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3295 *tail = '\0'; |
|
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3296 } |
|
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3297 |
|
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3298 char from[3] = {separator, separator, '\0'}; |
|
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3299 char to [2] = {separator, '\0'}; |
|
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3300 while (StringUtils::replace_no_expand(copy, from, to) > 0) { |
|
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3301 // Keep replacing "::" -> ":" until we have no more "::" (non-windows) |
|
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3302 // Keep replacing ";;" -> ";" until we have no more ";;" (windows) |
|
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3303 } |
|
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3304 |
|
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3305 _java_class_path->set_value(copy); |
|
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3306 FreeHeap(copy); // a copy was made by set_value, so don't need this anymore |
|
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3307 } |
|
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3308 |
|
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3309 if (!PrintSharedArchiveAndExit) { |
|
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3310 ClassLoader::trace_class_path("[classpath: ", _java_class_path->value()); |
|
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3311 } |
|
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3312 } |
|
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3313 |
| 0 | 3314 jint Arguments::finalize_vm_init_args(SysClassPath* scp_p, bool scp_assembly_required) { |
| 3315 // This must be done after all -D arguments have been processed. | |
| 3316 scp_p->expand_endorsed(); | |
| 3317 | |
| 3318 if (scp_assembly_required || scp_p->get_endorsed() != NULL) { | |
| 3319 // Assemble the bootclasspath elements into the final path. | |
| 3320 Arguments::set_sysclasspath(scp_p->combined_path()); | |
| 3321 } | |
| 3322 | |
| 3323 // This must be done after all arguments have been processed. | |
| 3324 // java_compiler() true means set to "NONE" or empty. | |
| 3325 if (java_compiler() && !xdebug_mode()) { | |
| 3326 // For backwards compatibility, we switch to interpreted mode if | |
| 3327 // -Djava.compiler="NONE" or "" is specified AND "-Xdebug" was | |
| 3328 // not specified. | |
| 3329 set_mode_flags(_int); | |
| 3330 } | |
| 3331 if (CompileThreshold == 0) { | |
| 3332 set_mode_flags(_int); | |
| 3333 } | |
| 3334 | |
|
10292
acac2b03a07f
8014765: VM exits if MaxTenuringThreshold is set below the default InitialTenuringThreshold, and InitialTenuringThreshold is not set
tschatzl
parents:
10287
diff
changeset
|
3335 // 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
|
3336 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
|
3337 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
|
3338 } |
|
acac2b03a07f
8014765: VM exits if MaxTenuringThreshold is set below the default InitialTenuringThreshold, and InitialTenuringThreshold is not set
tschatzl
parents:
10287
diff
changeset
|
3339 |
| 0 | 3340 #ifndef COMPILER2 |
| 3341 // Don't degrade server performance for footprint | |
| 3342 if (FLAG_IS_DEFAULT(UseLargePages) && | |
| 3343 MaxHeapSize < LargePageHeapSizeThreshold) { | |
| 3344 // No need for large granularity pages w/small heaps. | |
| 3345 // Note that large pages are enabled/disabled for both the | |
| 3346 // Java heap and the code cache. | |
| 3347 FLAG_SET_DEFAULT(UseLargePages, false); | |
| 3348 } | |
|
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
3349 |
| 0 | 3350 #else |
| 3351 if (!FLAG_IS_DEFAULT(OptoLoopAlignment) && FLAG_IS_DEFAULT(MaxLoopPad)) { | |
| 3352 FLAG_SET_DEFAULT(MaxLoopPad, OptoLoopAlignment-1); | |
| 3353 } | |
| 3354 #endif | |
| 3355 | |
|
11999
79a5283f4595
8021120: TieredCompilation can be enabled even if TIERED is undefined
iignatyev
parents:
11154
diff
changeset
|
3356 #ifndef TIERED |
|
79a5283f4595
8021120: TieredCompilation can be enabled even if TIERED is undefined
iignatyev
parents:
11154
diff
changeset
|
3357 // Tiered compilation is undefined. |
|
79a5283f4595
8021120: TieredCompilation can be enabled even if TIERED is undefined
iignatyev
parents:
11154
diff
changeset
|
3358 UNSUPPORTED_OPTION(TieredCompilation, "TieredCompilation"); |
|
79a5283f4595
8021120: TieredCompilation can be enabled even if TIERED is undefined
iignatyev
parents:
11154
diff
changeset
|
3359 #endif |
|
79a5283f4595
8021120: TieredCompilation can be enabled even if TIERED is undefined
iignatyev
parents:
11154
diff
changeset
|
3360 |
|
1681
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3361 // 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
|
3362 // to be true unless the property has already been set. |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3363 // 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
|
3364 if (os::is_headless_jre()) { |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3365 const char* headless = Arguments::get_property("java.awt.headless"); |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3366 if (headless == NULL) { |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3367 char envbuffer[128]; |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3368 if (!os::getenv("JAVA_AWT_HEADLESS", envbuffer, sizeof(envbuffer))) { |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3369 if (!add_property("java.awt.headless=true")) { |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3370 return JNI_ENOMEM; |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3371 } |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3372 } else { |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3373 char buffer[256]; |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3374 strcpy(buffer, "java.awt.headless="); |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3375 strcat(buffer, envbuffer); |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3376 if (!add_property(buffer)) { |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3377 return JNI_ENOMEM; |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3378 } |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3379 } |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3380 } |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3381 } |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3382 |
| 0 | 3383 if (!check_vm_args_consistency()) { |
| 3384 return JNI_ERR; | |
| 3385 } | |
| 3386 | |
| 3387 return JNI_OK; | |
| 3388 } | |
| 3389 | |
| 3390 jint Arguments::parse_java_options_environment_variable(SysClassPath* scp_p, bool* scp_assembly_required_p) { | |
| 3391 return parse_options_environment_variable("_JAVA_OPTIONS", scp_p, | |
| 3392 scp_assembly_required_p); | |
| 3393 } | |
| 3394 | |
| 3395 jint Arguments::parse_java_tool_options_environment_variable(SysClassPath* scp_p, bool* scp_assembly_required_p) { | |
| 3396 return parse_options_environment_variable("JAVA_TOOL_OPTIONS", scp_p, | |
| 3397 scp_assembly_required_p); | |
| 3398 } | |
| 3399 | |
| 3400 jint Arguments::parse_options_environment_variable(const char* name, SysClassPath* scp_p, bool* scp_assembly_required_p) { | |
| 3401 const int N_MAX_OPTIONS = 64; | |
| 3402 const int OPTION_BUFFER_SIZE = 1024; | |
| 3403 char buffer[OPTION_BUFFER_SIZE]; | |
| 3404 | |
| 3405 // The variable will be ignored if it exceeds the length of the buffer. | |
| 3406 // Don't check this variable if user has special privileges | |
| 3407 // (e.g. unix su command). | |
| 3408 if (os::getenv(name, buffer, sizeof(buffer)) && | |
| 3409 !os::have_special_privileges()) { | |
| 3410 JavaVMOption options[N_MAX_OPTIONS]; // Construct option array | |
| 3411 jio_fprintf(defaultStream::error_stream(), | |
| 3412 "Picked up %s: %s\n", name, buffer); | |
| 3413 char* rd = buffer; // pointer to the input string (rd) | |
| 3414 int i; | |
| 3415 for (i = 0; i < N_MAX_OPTIONS;) { // repeat for all options in the input string | |
| 3416 while (isspace(*rd)) rd++; // skip whitespace | |
| 3417 if (*rd == 0) break; // we re done when the input string is read completely | |
| 3418 | |
| 3419 // The output, option string, overwrites the input string. | |
| 3420 // Because of quoting, the pointer to the option string (wrt) may lag the pointer to | |
| 3421 // input string (rd). | |
| 3422 char* wrt = rd; | |
| 3423 | |
| 3424 options[i++].optionString = wrt; // Fill in option | |
| 3425 while (*rd != 0 && !isspace(*rd)) { // unquoted strings terminate with a space or NULL | |
| 3426 if (*rd == '\'' || *rd == '"') { // handle a quoted string | |
| 3427 int quote = *rd; // matching quote to look for | |
| 3428 rd++; // don't copy open quote | |
| 3429 while (*rd != quote) { // include everything (even spaces) up until quote | |
| 3430 if (*rd == 0) { // string termination means unmatched string | |
| 3431 jio_fprintf(defaultStream::error_stream(), | |
| 3432 "Unmatched quote in %s\n", name); | |
| 3433 return JNI_ERR; | |
| 3434 } | |
| 3435 *wrt++ = *rd++; // copy to option string | |
| 3436 } | |
| 3437 rd++; // don't copy close quote | |
| 3438 } else { | |
| 3439 *wrt++ = *rd++; // copy to option string | |
| 3440 } | |
| 3441 } | |
| 3442 // Need to check if we're done before writing a NULL, | |
| 3443 // because the write could be to the byte that rd is pointing to. | |
| 3444 if (*rd++ == 0) { | |
| 3445 *wrt = 0; | |
| 3446 break; | |
| 3447 } | |
| 3448 *wrt = 0; // Zero terminate option | |
| 3449 } | |
| 3450 // Construct JavaVMInitArgs structure and parse as if it was part of the command line | |
| 3451 JavaVMInitArgs vm_args; | |
| 3452 vm_args.version = JNI_VERSION_1_2; | |
| 3453 vm_args.options = options; | |
| 3454 vm_args.nOptions = i; | |
| 564 | 3455 vm_args.ignoreUnrecognized = IgnoreUnrecognizedVMOptions; |
| 0 | 3456 |
| 3457 if (PrintVMOptions) { | |
| 3458 const char* tail; | |
| 3459 for (int i = 0; i < vm_args.nOptions; i++) { | |
| 3460 const JavaVMOption *option = vm_args.options + i; | |
| 3461 if (match_option(option, "-XX:", &tail)) { | |
| 3462 logOption(tail); | |
| 3463 } | |
| 3464 } | |
| 3465 } | |
| 3466 | |
|
12322
72b7e96c1922
8024545: make develop and notproduct flag values available in product builds
twisti
parents:
12269
diff
changeset
|
3467 return(parse_each_vm_init_arg(&vm_args, scp_p, scp_assembly_required_p, Flag::ENVIRON_VAR)); |
| 0 | 3468 } |
| 3469 return JNI_OK; | |
| 3470 } | |
| 3471 | |
|
2362
a2c2eac1ca62
7018056: large pages not always enabled by default
jcoomes
parents:
2302
diff
changeset
|
3472 void Arguments::set_shared_spaces_flags() { |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3473 if (DumpSharedSpaces) { |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3474 if (RequireSharedSpaces) { |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3475 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
|
3476 } |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3477 UseSharedSpaces = false; |
|
12056
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
3478 #ifdef _LP64 |
|
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
3479 if (!UseCompressedOops || !UseCompressedClassPointers) { |
|
12056
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
3480 vm_exit_during_initialization( |
|
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
3481 "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
|
3482 } |
|
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
3483 } else { |
|
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
3484 if (!UseCompressedOops || !UseCompressedClassPointers) { |
|
20375
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3485 no_shared_spaces("UseCompressedOops and UseCompressedClassPointers must be on for UseSharedSpaces."); |
|
12056
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
3486 } |
|
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
3487 #endif |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3488 } |
|
2362
a2c2eac1ca62
7018056: large pages not always enabled by default
jcoomes
parents:
2302
diff
changeset
|
3489 } |
|
1891
9de67bf4244d
6996136: VM crash in src/share/vm/runtime/virtualspace.cpp:424
iveresov
parents:
1890
diff
changeset
|
3490 |
|
9060
cc32ccaaf47f
8003310: Enable -Wunused-function when compiling with gcc
mikael
parents:
8847
diff
changeset
|
3491 #if !INCLUDE_ALL_GCS |
|
8086
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3492 static void force_serial_gc() { |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3493 FLAG_SET_DEFAULT(UseSerialGC, true); |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3494 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
|
3495 UNSUPPORTED_GC_OPTION(UseG1GC); |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3496 UNSUPPORTED_GC_OPTION(UseParallelGC); |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3497 UNSUPPORTED_GC_OPTION(UseParallelOldGC); |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3498 UNSUPPORTED_GC_OPTION(UseConcMarkSweepGC); |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3499 UNSUPPORTED_GC_OPTION(UseParNewGC); |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3500 } |
|
9060
cc32ccaaf47f
8003310: Enable -Wunused-function when compiling with gcc
mikael
parents:
8847
diff
changeset
|
3501 #endif // INCLUDE_ALL_GCS |
|
8086
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3502 |
|
10270
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3503 // Sharing support |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3504 // Construct the path to the archive |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3505 static char* get_shared_archive_path() { |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3506 char *shared_archive_path; |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3507 if (SharedArchiveFile == NULL) { |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3508 char jvm_path[JVM_MAXPATHLEN]; |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3509 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
|
3510 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
|
3511 if (end != NULL) *end = '\0'; |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3512 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
|
3513 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
|
3514 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
|
3515 file_sep_len + 20, mtInternal); |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3516 if (shared_archive_path != NULL) { |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3517 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
|
3518 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
|
3519 strncat(shared_archive_path, "classes.jsa", 11); |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3520 } |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3521 } else { |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3522 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
|
3523 if (shared_archive_path != NULL) { |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3524 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
|
3525 } |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3526 } |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3527 return shared_archive_path; |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3528 } |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3529 |
|
12257
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3530 #ifndef PRODUCT |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3531 // 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
|
3532 static bool use_vm_log() { |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3533 if (LogCompilation || !FLAG_IS_DEFAULT(LogFile) || |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3534 PrintCompilation || PrintInlining || PrintDependencies || PrintNativeNMethods || |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3535 PrintDebugInfo || PrintRelocations || PrintNMethods || PrintExceptionHandlers || |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3536 PrintAssembly || TraceDeoptimization || TraceDependencies || |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3537 (VerifyDependencies && FLAG_IS_CMDLINE(VerifyDependencies))) { |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3538 return true; |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3539 } |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3540 |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3541 #ifdef COMPILER1 |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3542 if (PrintC1Statistics) { |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3543 return true; |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3544 } |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3545 #endif // COMPILER1 |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3546 |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3547 #ifdef COMPILER2 |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3548 if (PrintOptoAssembly || PrintOptoStatistics) { |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3549 return true; |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3550 } |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3551 #endif // COMPILER2 |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3552 |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3553 return false; |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3554 } |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3555 #endif // PRODUCT |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3556 |
| 0 | 3557 // Parse entry point called from JNI_CreateJavaVM |
| 3558 | |
| 3559 jint Arguments::parse(const JavaVMInitArgs* args) { | |
| 3560 | |
| 3561 // Remaining part of option string | |
| 3562 const char* tail; | |
| 3563 | |
| 3564 // 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
|
3565 const char* hotspotrc = ".hotspotrc"; |
| 0 | 3566 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
|
3567 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
|
3568 |
| 564 | 3569 const char* flags_file; |
| 0 | 3570 int index; |
| 3571 for (index = 0; index < args->nOptions; index++) { | |
| 3572 const JavaVMOption *option = args->options + index; | |
| 3573 if (match_option(option, "-XX:Flags=", &tail)) { | |
| 564 | 3574 flags_file = tail; |
| 0 | 3575 settings_file_specified = true; |
| 3576 } | |
| 3577 if (match_option(option, "-XX:+PrintVMOptions", &tail)) { | |
| 3578 PrintVMOptions = true; | |
| 3579 } | |
|
253
b0fe4deeb9fb
6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.")
kvn
parents:
196
diff
changeset
|
3580 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
|
3581 PrintVMOptions = false; |
|
b0fe4deeb9fb
6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.")
kvn
parents:
196
diff
changeset
|
3582 } |
| 564 | 3583 if (match_option(option, "-XX:+IgnoreUnrecognizedVMOptions", &tail)) { |
| 3584 IgnoreUnrecognizedVMOptions = true; | |
| 3585 } | |
| 3586 if (match_option(option, "-XX:-IgnoreUnrecognizedVMOptions", &tail)) { | |
| 3587 IgnoreUnrecognizedVMOptions = false; | |
| 3588 } | |
| 1150 | 3589 if (match_option(option, "-XX:+PrintFlagsInitial", &tail)) { |
| 4773 | 3590 CommandLineFlags::printFlags(tty, false); |
| 1150 | 3591 vm_exit(0); |
| 3592 } | |
| 20360 | 3593 #if INCLUDE_NMT |
| 6197 | 3594 if (match_option(option, "-XX:NativeMemoryTracking", &tail)) { |
| 20360 | 3595 // The launcher did not setup nmt environment variable properly. |
| 3596 // if (!MemTracker::check_launcher_nmt_support(tail)) { | |
| 3597 // warning("Native Memory Tracking did not setup properly, using wrong launcher?"); | |
| 3598 // } | |
| 3599 | |
| 3600 // Verify if nmt option is valid. | |
| 3601 if (MemTracker::verify_nmt_option()) { | |
| 3602 // Late initialization, still in single-threaded mode. | |
| 3603 if (MemTracker::tracking_level() >= NMT_summary) { | |
| 3604 MemTracker::init(); | |
| 3605 } | |
| 3606 } else { | |
| 3607 vm_exit_during_initialization("Syntax error, expecting -XX:NativeMemoryTracking=[off|summary|detail]", NULL); | |
| 3608 } | |
| 3609 } | |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3610 #endif |
| 6197 | 3611 |
|
1768
6ee479178066
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
1745
diff
changeset
|
3612 |
|
6ee479178066
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
1745
diff
changeset
|
3613 #ifndef PRODUCT |
|
6ee479178066
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
1745
diff
changeset
|
3614 if (match_option(option, "-XX:+PrintFlagsWithComments", &tail)) { |
| 4773 | 3615 CommandLineFlags::printFlags(tty, true); |
|
1768
6ee479178066
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
1745
diff
changeset
|
3616 vm_exit(0); |
|
6ee479178066
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
1745
diff
changeset
|
3617 } |
|
6ee479178066
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
1745
diff
changeset
|
3618 #endif |
| 564 | 3619 } |
| 3620 | |
| 3621 if (IgnoreUnrecognizedVMOptions) { | |
| 3622 // uncast const to modify the flag args->ignoreUnrecognized | |
| 3623 *(jboolean*)(&args->ignoreUnrecognized) = true; | |
| 3624 } | |
| 3625 | |
| 3626 // Parse specified settings file | |
| 3627 if (settings_file_specified) { | |
| 3628 if (!process_settings_file(flags_file, true, args->ignoreUnrecognized)) { | |
| 3629 return JNI_EINVAL; | |
| 3630 } | |
|
6196
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3631 } else { |
|
6150
1e76463170b3
7110720: Issue with vm config file loadingIssue with vm config file loading
kamg
parents:
4780
diff
changeset
|
3632 #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
|
3633 // Parse default .hotspotrc settings file |
| 0 | 3634 if (!process_settings_file(".hotspotrc", false, args->ignoreUnrecognized)) { |
| 3635 return JNI_EINVAL; | |
| 3636 } | |
|
6196
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3637 #else |
|
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3638 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
|
3639 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
|
3640 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
|
3641 } |
|
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3642 #endif |
| 0 | 3643 } |
| 3644 | |
| 3645 if (PrintVMOptions) { | |
| 3646 for (index = 0; index < args->nOptions; index++) { | |
| 3647 const JavaVMOption *option = args->options + index; | |
| 3648 if (match_option(option, "-XX:", &tail)) { | |
| 3649 logOption(tail); | |
| 3650 } | |
| 3651 } | |
| 3652 } | |
| 3653 | |
| 3654 // Parse JavaVMInitArgs structure passed in, as well as JAVA_TOOL_OPTIONS and _JAVA_OPTIONS | |
| 3655 jint result = parse_vm_init_args(args); | |
| 3656 if (result != JNI_OK) { | |
| 3657 return result; | |
| 3658 } | |
| 3659 | |
|
10270
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3660 // 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
|
3661 SharedArchivePath = get_shared_archive_path(); |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3662 if (SharedArchivePath == NULL) { |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3663 return JNI_ENOMEM; |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3664 } |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3665 |
|
6196
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3666 // 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
|
3667 // 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
|
3668 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
|
3669 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
|
3670 "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
|
3671 hotspotrc, hotspotrc); |
|
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3672 } |
|
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3673 |
|
6917
e81fbc04a942
7191817: -XX:+UseSerialGC -XX:+UseLargePages crashes with SIGFPE on MacOS X
coleenp
parents:
6916
diff
changeset
|
3674 #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
|
3675 UNSUPPORTED_OPTION(UseLargePages, "-XX:+UseLargePages"); |
|
e81fbc04a942
7191817: -XX:+UseSerialGC -XX:+UseLargePages crashes with SIGFPE on MacOS X
coleenp
parents:
6916
diff
changeset
|
3676 #endif |
|
e81fbc04a942
7191817: -XX:+UseSerialGC -XX:+UseLargePages crashes with SIGFPE on MacOS X
coleenp
parents:
6916
diff
changeset
|
3677 |
|
8086
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3678 #if INCLUDE_ALL_GCS |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3679 #if (defined JAVASE_EMBEDDED || defined ARM) |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3680 UNSUPPORTED_OPTION(UseG1GC, "G1 GC"); |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3681 #endif |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3682 #endif |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3683 |
| 0 | 3684 #ifndef PRODUCT |
| 3685 if (TraceBytecodesAt != 0) { | |
| 3686 TraceBytecodes = true; | |
| 3687 } | |
| 3688 if (CountCompiledCalls) { | |
| 3689 if (UseCounterDecay) { | |
| 3690 warning("UseCounterDecay disabled because CountCalls is set"); | |
| 3691 UseCounterDecay = false; | |
| 3692 } | |
| 3693 } | |
| 3694 #endif // PRODUCT | |
| 3695 | |
|
2416
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3696 // 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
|
3697 if (!JDK_Version::is_gte_jdk17x_version()) { |
|
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3698 if (EnableInvokeDynamic) { |
|
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3699 if (!FLAG_IS_DEFAULT(EnableInvokeDynamic)) { |
|
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3700 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
|
3701 } |
|
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3702 EnableInvokeDynamic = false; |
| 710 | 3703 } |
| 3704 } | |
|
2416
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3705 |
|
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3706 if (EnableInvokeDynamic && ScavengeRootsInCode == 0) { |
|
989
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
932
diff
changeset
|
3707 if (!FLAG_IS_DEFAULT(ScavengeRootsInCode)) { |
|
2416
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3708 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
|
3709 } |
|
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
932
diff
changeset
|
3710 ScavengeRootsInCode = 1; |
|
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
932
diff
changeset
|
3711 } |
| 710 | 3712 |
| 0 | 3713 if (PrintGCDetails) { |
| 3714 // Turn on -verbose:gc options as well | |
| 3715 PrintGC = true; | |
| 3716 } | |
| 3717 | |
|
6064
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
3718 if (!JDK_Version::is_gte_jdk18x_version()) { |
|
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
3719 // 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
|
3720 // true by default in JDK8 and above. |
|
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
3721 if (FLAG_IS_DEFAULT(PrintGCCause)) { |
|
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
3722 FLAG_SET_DEFAULT(PrintGCCause, false); |
|
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
3723 } |
|
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
3724 } |
|
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
3725 |
|
1571
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
3726 // 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
|
3727 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
|
3728 |
|
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
3729 #if !INCLUDE_ALL_GCS |
| 1064 | 3730 force_serial_gc(); |
|
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
3731 #endif // INCLUDE_ALL_GCS |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3732 #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
|
3733 if (DumpSharedSpaces || RequireSharedSpaces) { |
|
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
3734 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
|
3735 "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
|
3736 return JNI_ERR; |
|
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
3737 } |
|
8724
69ffa4ac9e53
8009835: Only produce a warning when -Xshare:auto is explicitly requested
jprovino
parents:
8720
diff
changeset
|
3738 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
|
3739 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
|
3740 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
|
3741 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
|
3742 } |
|
20375
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3743 no_shared_spaces("CDS Disabled"); |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3744 #endif // INCLUDE_CDS |
| 0 | 3745 |
|
12233
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
3746 return JNI_OK; |
|
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
3747 } |
|
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
3748 |
|
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
3749 jint Arguments::apply_ergo() { |
|
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
3750 |
| 0 | 3751 // Set flags based on ergonomics. |
| 3752 set_ergonomics_flags(); | |
| 3753 | |
|
2362
a2c2eac1ca62
7018056: large pages not always enabled by default
jcoomes
parents:
2302
diff
changeset
|
3754 set_shared_spaces_flags(); |
|
1135
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1131
diff
changeset
|
3755 |
|
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
3756 // Check the GC selections again. |
|
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
3757 if (!check_gc_consistency()) { |
|
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
3758 return JNI_EINVAL; |
|
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
3759 } |
|
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
3760 |
| 1783 | 3761 if (TieredCompilation) { |
| 3762 set_tiered_flags(); | |
| 3763 } else { | |
| 3764 // Check if the policy is valid. Policies 0 and 1 are valid for non-tiered setup. | |
| 3765 if (CompilationPolicyChoice >= 2) { | |
| 3766 vm_exit_during_initialization( | |
| 3767 "Incompatible compilation policy selected", NULL); | |
| 3768 } | |
| 3769 } | |
|
13074
78da3894b86f
8027593: performance drop with constrained codecache starting with hs25 b111
anoll
parents:
13008
diff
changeset
|
3770 // 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
|
3771 if (FLAG_IS_DEFAULT(NmethodSweepFraction)) { |
|
78da3894b86f
8027593: performance drop with constrained codecache starting with hs25 b111
anoll
parents:
13008
diff
changeset
|
3772 FLAG_SET_DEFAULT(NmethodSweepFraction, 1 + ReservedCodeCacheSize / (16 * M)); |
|
78da3894b86f
8027593: performance drop with constrained codecache starting with hs25 b111
anoll
parents:
13008
diff
changeset
|
3773 } |
|
78da3894b86f
8027593: performance drop with constrained codecache starting with hs25 b111
anoll
parents:
13008
diff
changeset
|
3774 |
| 1783 | 3775 |
|
2368
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
3776 // Set heap size based on available physical memory |
|
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
3777 set_heap_size(); |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3778 |
|
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
3779 #if INCLUDE_ALL_GCS |
|
2368
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
3780 // Set per-collector flags |
|
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
3781 if (UseParallelGC || UseParallelOldGC) { |
|
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
3782 set_parallel_gc_flags(); |
|
17648
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
3783 } 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
|
3784 set_cms_and_parnew_gc_flags(); |
|
17648
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
3785 } 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
|
3786 set_parnew_gc_flags(); |
|
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
3787 } else if (UseG1GC) { |
|
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
3788 set_g1_gc_flags(); |
|
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
3789 } |
|
7452
e0ab18eafbde
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
7451
diff
changeset
|
3790 check_deprecated_gcs(); |
| 8734 | 3791 check_deprecated_gc_flags(); |
|
8845
1b90c7607451
2178143: JVM crashes if the number of bound CPUs changed during runtime
minqi
parents:
8819
diff
changeset
|
3792 if (AssumeMP && !UseSerialGC) { |
|
1b90c7607451
2178143: JVM crashes if the number of bound CPUs changed during runtime
minqi
parents:
8819
diff
changeset
|
3793 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
|
3794 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
|
3795 " 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
|
3796 " using -XX:ParallelGCThreads=N"); |
|
1b90c7607451
2178143: JVM crashes if the number of bound CPUs changed during runtime
minqi
parents:
8819
diff
changeset
|
3797 } |
|
1b90c7607451
2178143: JVM crashes if the number of bound CPUs changed during runtime
minqi
parents:
8819
diff
changeset
|
3798 } |
|
17648
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
3799 if (MinHeapFreeRatio == 100) { |
|
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
3800 // Keeping the heap 100% free is hard ;-) so limit it to 99%. |
|
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
3801 FLAG_SET_ERGO(uintx, MinHeapFreeRatio, 99); |
|
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
3802 } |
|
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
3803 #else // INCLUDE_ALL_GCS |
| 0 | 3804 assert(verify_serial_gc_flags(), "SerialGC unset"); |
|
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
3805 #endif // INCLUDE_ALL_GCS |
| 0 | 3806 |
|
12838
85c1ca43713f
8024547: MaxMetaspaceSize should limit the committed memory used by the metaspaces
stefank
parents:
12831
diff
changeset
|
3807 // Initialize Metaspace flags and alignments. |
|
85c1ca43713f
8024547: MaxMetaspaceSize should limit the committed memory used by the metaspaces
stefank
parents:
12831
diff
changeset
|
3808 Metaspace::ergo_initialize(); |
|
85c1ca43713f
8024547: MaxMetaspaceSize should limit the committed memory used by the metaspaces
stefank
parents:
12831
diff
changeset
|
3809 |
| 0 | 3810 // Set bytecode rewriting flags |
| 3811 set_bytecode_flags(); | |
| 3812 | |
| 3813 // Set flags if Aggressive optimization flags (-XX:+AggressiveOpts) enabled. | |
| 3814 set_aggressive_opts_flags(); | |
| 3815 | |
|
2239
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3816 // Turn off biased locking for locking debug mode flags, |
|
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3817 // which are subtlely different from each other but neither works with |
|
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3818 // biased locking. |
| 2331 | 3819 if (UseHeavyMonitors |
| 3820 #ifdef COMPILER1 | |
| 3821 || !UseFastLocking | |
| 3822 #endif // COMPILER1 | |
| 3823 ) { | |
|
2239
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3824 if (!FLAG_IS_DEFAULT(UseBiasedLocking) && UseBiasedLocking) { |
|
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3825 // 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
|
3826 // can't enable biased locking here |
|
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3827 warning("Biased Locking is not supported with locking debug flags" |
|
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3828 "; ignoring UseBiasedLocking flag." ); |
|
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3829 } |
|
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3830 UseBiasedLocking = false; |
|
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3831 } |
|
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3832 |
|
14420
abe03600372a
8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents:
14412
diff
changeset
|
3833 #ifdef ZERO |
|
abe03600372a
8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents:
14412
diff
changeset
|
3834 // Clear flags not supported on zero. |
| 1131 | 3835 FLAG_SET_DEFAULT(ProfileInterpreter, false); |
| 0 | 3836 FLAG_SET_DEFAULT(UseBiasedLocking, false); |
| 1131 | 3837 LP64_ONLY(FLAG_SET_DEFAULT(UseCompressedOops, false)); |
|
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
3838 LP64_ONLY(FLAG_SET_DEFAULT(UseCompressedClassPointers, false)); |
| 1131 | 3839 #endif // CC_INTERP |
| 3840 | |
|
420
a1980da045cc
6462850: generate biased locking code in C2 ideal graph
kvn
parents:
416
diff
changeset
|
3841 #ifdef COMPILER2 |
| 4777 | 3842 if (!EliminateLocks) { |
| 3843 EliminateNestedLocks = false; | |
| 3844 } | |
| 7473 | 3845 if (!Inline) { |
| 3846 IncrementalInline = false; | |
| 3847 } | |
| 3848 #ifndef PRODUCT | |
| 3849 if (!IncrementalInline) { | |
| 3850 AlwaysIncrementalInline = false; | |
| 3851 } | |
| 3852 #endif | |
| 3853 if (IncrementalInline && FLAG_IS_DEFAULT(MaxNodeLimit)) { | |
| 3854 // incremental inlining: bump MaxNodeLimit | |
| 3855 FLAG_SET_DEFAULT(MaxNodeLimit, (intx)75000); | |
| 3856 } | |
| 12966 | 3857 if (!UseTypeSpeculation && FLAG_IS_DEFAULT(TypeProfileLevel)) { |
| 3858 // nothing to use the profiling, turn if off | |
| 3859 FLAG_SET_DEFAULT(TypeProfileLevel, 0); | |
| 3860 } | |
|
420
a1980da045cc
6462850: generate biased locking code in C2 ideal graph
kvn
parents:
416
diff
changeset
|
3861 #endif |
|
a1980da045cc
6462850: generate biased locking code in C2 ideal graph
kvn
parents:
416
diff
changeset
|
3862 |
|
1155
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1150
diff
changeset
|
3863 if (PrintAssembly && FLAG_IS_DEFAULT(DebugNonSafepoints)) { |
|
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1150
diff
changeset
|
3864 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
|
3865 DebugNonSafepoints = true; |
|
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1150
diff
changeset
|
3866 } |
|
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1150
diff
changeset
|
3867 |
|
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
3868 if (FLAG_IS_CMDLINE(CompressedClassSpaceSize) && !UseCompressedClassPointers) { |
|
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
3869 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
|
3870 } |
|
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
3871 |
|
1188
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
3872 #ifndef PRODUCT |
|
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
3873 if (CompileTheWorld) { |
|
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
3874 // 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
|
3875 if (FLAG_IS_DEFAULT(NmethodSweepFraction)) { |
|
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
3876 NmethodSweepFraction = 1; |
|
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
3877 } |
|
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
3878 } |
|
12257
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3879 |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3880 if (!LogVMOutput && FLAG_IS_DEFAULT(LogVMOutput)) { |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3881 if (use_vm_log()) { |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3882 LogVMOutput = true; |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3883 } |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3884 } |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3885 #endif // PRODUCT |
|
1188
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
3886 |
| 0 | 3887 if (PrintCommandLineFlags) { |
| 4773 | 3888 CommandLineFlags::printSetFlags(tty); |
| 0 | 3889 } |
| 3890 | |
|
1681
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3891 // Apply CPU specific policy for the BiasedLocking |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3892 if (UseBiasedLocking) { |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3893 if (!VM_Version::use_biased_locking() && |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3894 !(FLAG_IS_CMDLINE(UseBiasedLocking))) { |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3895 UseBiasedLocking = false; |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3896 } |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3897 } |
| 17780 | 3898 #ifdef COMPILER2 |
| 3899 if (!UseBiasedLocking || EmitSync != 0) { | |
| 3900 UseOptoBiasInlining = false; | |
| 3901 } | |
| 3902 #endif | |
|
1681
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3903 |
|
2302
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
3904 // set PauseAtExit if the gamma launcher was used and a debugger is attached |
|
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
3905 // but only if not already set on the commandline |
|
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
3906 if (Arguments::created_by_gamma_launcher() && os::is_debugger_attached()) { |
|
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
3907 bool set = false; |
|
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
3908 CommandLineFlags::wasSetOnCmdline("PauseAtExit", &set); |
|
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
3909 if (!set) { |
|
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
3910 FLAG_SET_DEFAULT(PauseAtExit, true); |
|
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
3911 } |
|
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
3912 } |
|
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
3913 |
| 0 | 3914 return JNI_OK; |
| 3915 } | |
| 3916 | |
|
7177
53715fb1597d
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
6982
diff
changeset
|
3917 jint Arguments::adjust_after_os() { |
| 20241 | 3918 if (UseNUMA) { |
| 3919 if (UseParallelGC || UseParallelOldGC) { | |
|
7177
53715fb1597d
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
6982
diff
changeset
|
3920 if (FLAG_IS_DEFAULT(MinHeapDeltaBytes)) { |
| 20241 | 3921 FLAG_SET_DEFAULT(MinHeapDeltaBytes, 64*M); |
|
7177
53715fb1597d
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
6982
diff
changeset
|
3922 } |
| 20241 | 3923 } |
| 3924 // UseNUMAInterleaving is set to ON for all collectors and | |
| 3925 // platforms when UseNUMA is set to ON. NUMA-aware collectors | |
| 3926 // such as the parallel collector for Linux and Solaris will | |
| 3927 // interleave old gen and survivor spaces on top of NUMA | |
| 3928 // allocation policy for the eden space. | |
| 3929 // Non NUMA-aware collectors such as CMS, G1 and Serial-GC on | |
| 3930 // all platforms and ParallelGC on Windows will interleave all | |
| 3931 // of the heap spaces across NUMA nodes. | |
| 3932 if (FLAG_IS_DEFAULT(UseNUMAInterleaving)) { | |
| 3933 FLAG_SET_ERGO(bool, UseNUMAInterleaving, true); | |
|
7177
53715fb1597d
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
6982
diff
changeset
|
3934 } |
|
53715fb1597d
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
6982
diff
changeset
|
3935 } |
|
53715fb1597d
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
6982
diff
changeset
|
3936 return JNI_OK; |
|
53715fb1597d
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
6982
diff
changeset
|
3937 } |
|
53715fb1597d
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
6982
diff
changeset
|
3938 |
| 0 | 3939 int Arguments::PropertyList_count(SystemProperty* pl) { |
| 3940 int count = 0; | |
| 3941 while(pl != NULL) { | |
| 3942 count++; | |
| 3943 pl = pl->next(); | |
| 3944 } | |
| 3945 return count; | |
| 3946 } | |
| 3947 | |
| 3948 const char* Arguments::PropertyList_get_value(SystemProperty *pl, const char* key) { | |
| 3949 assert(key != NULL, "just checking"); | |
| 3950 SystemProperty* prop; | |
| 3951 for (prop = pl; prop != NULL; prop = prop->next()) { | |
| 3952 if (strcmp(key, prop->key()) == 0) return prop->value(); | |
| 3953 } | |
| 3954 return NULL; | |
| 3955 } | |
| 3956 | |
| 3957 const char* Arguments::PropertyList_get_key_at(SystemProperty *pl, int index) { | |
| 3958 int count = 0; | |
| 3959 const char* ret_val = NULL; | |
| 3960 | |
| 3961 while(pl != NULL) { | |
| 3962 if(count >= index) { | |
| 3963 ret_val = pl->key(); | |
| 3964 break; | |
| 3965 } | |
| 3966 count++; | |
| 3967 pl = pl->next(); | |
| 3968 } | |
| 3969 | |
| 3970 return ret_val; | |
| 3971 } | |
| 3972 | |
| 3973 char* Arguments::PropertyList_get_value_at(SystemProperty* pl, int index) { | |
| 3974 int count = 0; | |
| 3975 char* ret_val = NULL; | |
| 3976 | |
| 3977 while(pl != NULL) { | |
| 3978 if(count >= index) { | |
| 3979 ret_val = pl->value(); | |
| 3980 break; | |
| 3981 } | |
| 3982 count++; | |
| 3983 pl = pl->next(); | |
| 3984 } | |
| 3985 | |
| 3986 return ret_val; | |
| 3987 } | |
| 3988 | |
| 3989 void Arguments::PropertyList_add(SystemProperty** plist, SystemProperty *new_p) { | |
| 3990 SystemProperty* p = *plist; | |
| 3991 if (p == NULL) { | |
| 3992 *plist = new_p; | |
| 3993 } else { | |
| 3994 while (p->next() != NULL) { | |
| 3995 p = p->next(); | |
| 3996 } | |
| 3997 p->set_next(new_p); | |
| 3998 } | |
| 3999 } | |
| 4000 | |
| 4001 void Arguments::PropertyList_add(SystemProperty** plist, const char* k, char* v) { | |
| 4002 if (plist == NULL) | |
| 4003 return; | |
| 4004 | |
| 4005 SystemProperty* new_p = new SystemProperty(k, v, true); | |
| 4006 PropertyList_add(plist, new_p); | |
| 4007 } | |
| 4008 | |
| 4009 // This add maintains unique property key in the list. | |
| 691 | 4010 void Arguments::PropertyList_unique_add(SystemProperty** plist, const char* k, char* v, jboolean append) { |
| 0 | 4011 if (plist == NULL) |
| 4012 return; | |
| 4013 | |
| 4014 // If property key exist then update with new value. | |
| 4015 SystemProperty* prop; | |
| 4016 for (prop = *plist; prop != NULL; prop = prop->next()) { | |
| 4017 if (strcmp(k, prop->key()) == 0) { | |
| 691 | 4018 if (append) { |
| 4019 prop->append_value(v); | |
| 4020 } else { | |
| 4021 prop->set_value(v); | |
| 4022 } | |
| 0 | 4023 return; |
| 4024 } | |
| 4025 } | |
| 4026 | |
| 4027 PropertyList_add(plist, k, v); | |
| 4028 } | |
| 4029 | |
| 4030 // Copies src into buf, replacing "%%" with "%" and "%p" with pid | |
| 4031 // Returns true if all of the source pointed by src has been copied over to | |
| 4032 // the destination buffer pointed by buf. Otherwise, returns false. | |
| 4033 // Notes: | |
| 4034 // 1. If the length (buflen) of the destination buffer excluding the | |
| 4035 // NULL terminator character is not long enough for holding the expanded | |
| 4036 // pid characters, it also returns false instead of returning the partially | |
| 4037 // expanded one. | |
| 4038 // 2. The passed in "buflen" should be large enough to hold the null terminator. | |
| 4039 bool Arguments::copy_expand_pid(const char* src, size_t srclen, | |
| 4040 char* buf, size_t buflen) { | |
| 4041 const char* p = src; | |
| 4042 char* b = buf; | |
| 4043 const char* src_end = &src[srclen]; | |
| 4044 char* buf_end = &buf[buflen - 1]; | |
| 4045 | |
| 4046 while (p < src_end && b < buf_end) { | |
| 4047 if (*p == '%') { | |
| 4048 switch (*(++p)) { | |
| 4049 case '%': // "%%" ==> "%" | |
| 4050 *b++ = *p++; | |
| 4051 break; | |
| 4052 case 'p': { // "%p" ==> current process id | |
| 4053 // buf_end points to the character before the last character so | |
| 4054 // that we could write '\0' to the end of the buffer. | |
| 4055 size_t buf_sz = buf_end - b + 1; | |
| 4056 int ret = jio_snprintf(b, buf_sz, "%d", os::current_process_id()); | |
| 4057 | |
| 4058 // if jio_snprintf fails or the buffer is not long enough to hold | |
| 4059 // the expanded pid, returns false. | |
| 4060 if (ret < 0 || ret >= (int)buf_sz) { | |
| 4061 return false; | |
| 4062 } else { | |
| 4063 b += ret; | |
| 4064 assert(*b == '\0', "fail in copy_expand_pid"); | |
| 4065 if (p == src_end && b == buf_end + 1) { | |
| 4066 // reach the end of the buffer. | |
| 4067 return true; | |
| 4068 } | |
| 4069 } | |
| 4070 p++; | |
| 4071 break; | |
| 4072 } | |
| 4073 default : | |
| 4074 *b++ = '%'; | |
| 4075 } | |
| 4076 } else { | |
| 4077 *b++ = *p++; | |
| 4078 } | |
| 4079 } | |
| 4080 *b = '\0'; | |
| 4081 return (p == src_end); // return false if not all of the source was copied | |
| 4082 } |