Mercurial > hg > truffle
annotate src/share/vm/runtime/arguments.cpp @ 11111:dec841e0c9aa
8016749: -XX:+UseISM fails an assert(obj->is_oop()) when running SPECjbb2005
Summary: Remove obsolete code that relates to ISM which was used only on Solaris 8.
Reviewed-by: kvn, twisti
| author | anoll |
|---|---|
| date | Wed, 10 Jul 2013 13:33:56 -0700 |
| parents | 7ac80525ece9 |
| children | ec173c8f3739 |
| rev | line source |
|---|---|
| 0 | 1 /* |
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2 * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved. |
| 0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 * | |
| 5 * This code is free software; you can redistribute it and/or modify it | |
| 6 * under the terms of the GNU General Public License version 2 only, as | |
| 7 * published by the Free Software Foundation. | |
| 8 * | |
| 9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 12 * version 2 for more details (a copy is included in the LICENSE file that | |
| 13 * accompanied this code). | |
| 14 * | |
| 15 * You should have received a copy of the GNU General Public License version | |
| 16 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 18 * | |
|
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 1972 | 25 #include "precompiled.hpp" |
| 26 #include "classfile/javaAssertions.hpp" | |
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27 #include "classfile/symbolTable.hpp" |
| 1972 | 28 #include "compiler/compilerOracle.hpp" |
| 29 #include "memory/allocation.inline.hpp" | |
| 30 #include "memory/cardTableRS.hpp" | |
| 31 #include "memory/referenceProcessor.hpp" | |
| 32 #include "memory/universe.inline.hpp" | |
| 33 #include "oops/oop.inline.hpp" | |
| 34 #include "prims/jvmtiExport.hpp" | |
| 35 #include "runtime/arguments.hpp" | |
| 36 #include "runtime/globals_extension.hpp" | |
| 37 #include "runtime/java.hpp" | |
| 38 #include "services/management.hpp" | |
| 6197 | 39 #include "services/memTracker.hpp" |
| 1972 | 40 #include "utilities/defaultStream.hpp" |
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41 #include "utilities/macros.hpp" |
| 1972 | 42 #include "utilities/taskqueue.hpp" |
| 43 #ifdef TARGET_OS_FAMILY_linux | |
| 44 # include "os_linux.inline.hpp" | |
| 45 #endif | |
| 46 #ifdef TARGET_OS_FAMILY_solaris | |
| 47 # include "os_solaris.inline.hpp" | |
| 48 #endif | |
| 49 #ifdef TARGET_OS_FAMILY_windows | |
| 50 # include "os_windows.inline.hpp" | |
| 51 #endif | |
| 3960 | 52 #ifdef TARGET_OS_FAMILY_bsd |
| 53 # include "os_bsd.inline.hpp" | |
| 54 #endif | |
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55 #if INCLUDE_ALL_GCS |
| 1972 | 56 #include "gc_implementation/concurrentMarkSweep/compactibleFreeListSpace.hpp" |
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57 #endif // INCLUDE_ALL_GCS |
| 0 | 58 |
| 2474 | 59 // Note: This is a special bug reporting site for the JVM |
| 60 #define DEFAULT_VENDOR_URL_BUG "http://bugreport.sun.com/bugreport/crash.jsp" | |
| 0 | 61 #define DEFAULT_JAVA_LAUNCHER "generic" |
| 62 | |
| 63 char** Arguments::_jvm_flags_array = NULL; | |
| 64 int Arguments::_num_jvm_flags = 0; | |
| 65 char** Arguments::_jvm_args_array = NULL; | |
| 66 int Arguments::_num_jvm_args = 0; | |
| 67 char* Arguments::_java_command = NULL; | |
| 68 SystemProperty* Arguments::_system_properties = NULL; | |
| 69 const char* Arguments::_gc_log_filename = NULL; | |
| 70 bool Arguments::_has_profile = false; | |
| 71 bool Arguments::_has_alloc_profile = false; | |
| 72 uintx Arguments::_min_heap_size = 0; | |
| 73 Arguments::Mode Arguments::_mode = _mixed; | |
| 74 bool Arguments::_java_compiler = false; | |
| 75 bool Arguments::_xdebug_mode = false; | |
| 76 const char* Arguments::_java_vendor_url_bug = DEFAULT_VENDOR_URL_BUG; | |
| 77 const char* Arguments::_sun_java_launcher = DEFAULT_JAVA_LAUNCHER; | |
| 78 int Arguments::_sun_java_launcher_pid = -1; | |
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79 bool Arguments::_created_by_gamma_launcher = false; |
| 0 | 80 |
| 81 // These parameters are reset in method parse_vm_init_args(JavaVMInitArgs*) | |
| 82 bool Arguments::_AlwaysCompileLoopMethods = AlwaysCompileLoopMethods; | |
| 83 bool Arguments::_UseOnStackReplacement = UseOnStackReplacement; | |
| 84 bool Arguments::_BackgroundCompilation = BackgroundCompilation; | |
| 85 bool Arguments::_ClipInlining = ClipInlining; | |
| 86 | |
| 87 char* Arguments::SharedArchivePath = NULL; | |
| 88 | |
| 89 AgentLibraryList Arguments::_libraryList; | |
| 90 AgentLibraryList Arguments::_agentList; | |
| 91 | |
| 92 abort_hook_t Arguments::_abort_hook = NULL; | |
| 93 exit_hook_t Arguments::_exit_hook = NULL; | |
| 94 vfprintf_hook_t Arguments::_vfprintf_hook = NULL; | |
| 95 | |
| 96 | |
| 97 SystemProperty *Arguments::_java_ext_dirs = NULL; | |
| 98 SystemProperty *Arguments::_java_endorsed_dirs = NULL; | |
| 99 SystemProperty *Arguments::_sun_boot_library_path = NULL; | |
| 100 SystemProperty *Arguments::_java_library_path = NULL; | |
| 101 SystemProperty *Arguments::_java_home = NULL; | |
| 102 SystemProperty *Arguments::_java_class_path = NULL; | |
| 103 SystemProperty *Arguments::_sun_boot_class_path = NULL; | |
| 104 | |
| 105 char* Arguments::_meta_index_path = NULL; | |
| 106 char* Arguments::_meta_index_dir = NULL; | |
| 107 | |
| 108 // Check if head of 'option' matches 'name', and sets 'tail' remaining part of option string | |
| 109 | |
| 110 static bool match_option(const JavaVMOption *option, const char* name, | |
| 111 const char** tail) { | |
| 112 int len = (int)strlen(name); | |
| 113 if (strncmp(option->optionString, name, len) == 0) { | |
| 114 *tail = option->optionString + len; | |
| 115 return true; | |
| 116 } else { | |
| 117 return false; | |
| 118 } | |
| 119 } | |
| 120 | |
| 121 static void logOption(const char* opt) { | |
| 122 if (PrintVMOptions) { | |
| 123 jio_fprintf(defaultStream::output_stream(), "VM option '%s'\n", opt); | |
| 124 } | |
| 125 } | |
| 126 | |
| 127 // Process java launcher properties. | |
| 128 void Arguments::process_sun_java_launcher_properties(JavaVMInitArgs* args) { | |
| 129 // See if sun.java.launcher or sun.java.launcher.pid is defined. | |
| 130 // Must do this before setting up other system properties, | |
| 131 // as some of them may depend on launcher type. | |
| 132 for (int index = 0; index < args->nOptions; index++) { | |
| 133 const JavaVMOption* option = args->options + index; | |
| 134 const char* tail; | |
| 135 | |
| 136 if (match_option(option, "-Dsun.java.launcher=", &tail)) { | |
| 137 process_java_launcher_argument(tail, option->extraInfo); | |
| 138 continue; | |
| 139 } | |
| 140 if (match_option(option, "-Dsun.java.launcher.pid=", &tail)) { | |
| 141 _sun_java_launcher_pid = atoi(tail); | |
| 142 continue; | |
| 143 } | |
| 144 } | |
| 145 } | |
| 146 | |
| 147 // Initialize system properties key and value. | |
| 148 void Arguments::init_system_properties() { | |
| 149 | |
| 150 PropertyList_add(&_system_properties, new SystemProperty("java.vm.specification.name", | |
| 151 "Java Virtual Machine Specification", false)); | |
| 152 PropertyList_add(&_system_properties, new SystemProperty("java.vm.version", VM_Version::vm_release(), false)); | |
| 153 PropertyList_add(&_system_properties, new SystemProperty("java.vm.name", VM_Version::vm_name(), false)); | |
| 154 PropertyList_add(&_system_properties, new SystemProperty("java.vm.info", VM_Version::vm_info_string(), true)); | |
| 155 | |
| 156 // following are JVMTI agent writeable properties. | |
| 157 // Properties values are set to NULL and they are | |
| 158 // os specific they are initialized in os::init_system_properties_values(). | |
| 159 _java_ext_dirs = new SystemProperty("java.ext.dirs", NULL, true); | |
| 160 _java_endorsed_dirs = new SystemProperty("java.endorsed.dirs", NULL, true); | |
| 161 _sun_boot_library_path = new SystemProperty("sun.boot.library.path", NULL, true); | |
| 162 _java_library_path = new SystemProperty("java.library.path", NULL, true); | |
| 163 _java_home = new SystemProperty("java.home", NULL, true); | |
| 164 _sun_boot_class_path = new SystemProperty("sun.boot.class.path", NULL, true); | |
| 165 | |
| 166 _java_class_path = new SystemProperty("java.class.path", "", true); | |
| 167 | |
| 168 // Add to System Property list. | |
| 169 PropertyList_add(&_system_properties, _java_ext_dirs); | |
| 170 PropertyList_add(&_system_properties, _java_endorsed_dirs); | |
| 171 PropertyList_add(&_system_properties, _sun_boot_library_path); | |
| 172 PropertyList_add(&_system_properties, _java_library_path); | |
| 173 PropertyList_add(&_system_properties, _java_home); | |
| 174 PropertyList_add(&_system_properties, _java_class_path); | |
| 175 PropertyList_add(&_system_properties, _sun_boot_class_path); | |
| 176 | |
| 177 // Set OS specific system properties values | |
| 178 os::init_system_properties_values(); | |
| 179 } | |
| 180 | |
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181 |
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182 // Update/Initialize System properties after JDK version number is known |
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183 void Arguments::init_version_specific_system_properties() { |
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184 enum { bufsz = 16 }; |
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185 char buffer[bufsz]; |
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186 const char* spec_vendor = "Sun Microsystems Inc."; |
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187 uint32_t spec_version = 0; |
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188 |
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189 if (JDK_Version::is_gte_jdk17x_version()) { |
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190 spec_vendor = "Oracle Corporation"; |
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191 spec_version = JDK_Version::current().major_version(); |
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192 } |
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193 jio_snprintf(buffer, bufsz, "1." UINT32_FORMAT, spec_version); |
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194 |
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195 PropertyList_add(&_system_properties, |
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196 new SystemProperty("java.vm.specification.vendor", spec_vendor, false)); |
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197 PropertyList_add(&_system_properties, |
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198 new SystemProperty("java.vm.specification.version", buffer, false)); |
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199 PropertyList_add(&_system_properties, |
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200 new SystemProperty("java.vm.vendor", VM_Version::vm_vendor(), false)); |
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201 } |
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202 |
| 242 | 203 /** |
| 204 * Provide a slightly more user-friendly way of eliminating -XX flags. | |
| 205 * When a flag is eliminated, it can be added to this list in order to | |
| 206 * continue accepting this flag on the command-line, while issuing a warning | |
| 207 * and ignoring the value. Once the JDK version reaches the 'accept_until' | |
| 208 * limit, we flatly refuse to admit the existence of the flag. This allows | |
| 209 * a flag to die correctly over JDK releases using HSX. | |
| 210 */ | |
| 211 typedef struct { | |
| 212 const char* name; | |
| 213 JDK_Version obsoleted_in; // when the flag went away | |
| 214 JDK_Version accept_until; // which version to start denying the existence | |
| 215 } ObsoleteFlag; | |
| 0 | 216 |
| 242 | 217 static ObsoleteFlag obsolete_jvm_flags[] = { |
| 218 { "UseTrainGC", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
| 219 { "UseSpecialLargeObjectHandling", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
| 220 { "UseOversizedCarHandling", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
| 221 { "TraceCarAllocation", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
| 222 { "PrintTrainGCProcessingStats", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
| 223 { "LogOfCarSpaceSize", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
| 224 { "OversizedCarThreshold", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
| 225 { "MinTickInterval", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
| 226 { "DefaultTickInterval", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
| 227 { "MaxTickInterval", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
| 228 { "DelayTickAdjustment", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
| 229 { "ProcessingToTenuringRatio", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
| 230 { "MinTrainLength", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
| 231 { "AppendRatio", JDK_Version::jdk_update(6,10), JDK_Version::jdk(7) }, | |
| 1064 | 232 { "DefaultMaxRAM", JDK_Version::jdk_update(6,18), JDK_Version::jdk(7) }, |
| 233 { "DefaultInitialRAMFraction", | |
| 234 JDK_Version::jdk_update(6,18), JDK_Version::jdk(7) }, | |
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235 { "UseDepthFirstScavengeOrder", |
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236 JDK_Version::jdk_update(6,22), JDK_Version::jdk(7) }, |
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237 { "HandlePromotionFailure", |
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238 JDK_Version::jdk_update(6,24), JDK_Version::jdk(8) }, |
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239 { "MaxLiveObjectEvacuationRatio", |
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240 JDK_Version::jdk_update(6,24), JDK_Version::jdk(8) }, |
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241 { "ForceSharedSpaces", JDK_Version::jdk_update(6,25), JDK_Version::jdk(8) }, |
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242 { "UseParallelOldGCCompacting", |
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243 JDK_Version::jdk_update(6,27), JDK_Version::jdk(8) }, |
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244 { "UseParallelDensePrefixUpdate", |
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245 JDK_Version::jdk_update(6,27), JDK_Version::jdk(8) }, |
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246 { "UseParallelOldGCDensePrefix", |
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247 JDK_Version::jdk_update(6,27), JDK_Version::jdk(8) }, |
| 2460 | 248 { "AllowTransitionalJSR292", JDK_Version::jdk(7), JDK_Version::jdk(8) }, |
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249 { "UseCompressedStrings", JDK_Version::jdk(7), JDK_Version::jdk(8) }, |
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250 { "CMSPermGenPrecleaningEnabled", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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251 { "CMSTriggerPermRatio", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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252 { "CMSInitiatingPermOccupancyFraction", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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253 { "AdaptivePermSizeWeight", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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254 { "PermGenPadding", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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255 { "PermMarkSweepDeadRatio", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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256 { "PermSize", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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257 { "MaxPermSize", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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258 { "MinPermHeapExpansion", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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259 { "MaxPermHeapExpansion", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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260 { "CMSRevisitStackSize", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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261 { "PrintRevisitStats", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
| 6916 | 262 { "UseVectoredExceptions", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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263 { "UseSplitVerifier", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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264 { "UseISM", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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265 { "UsePermISM", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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266 { "UseMPSS", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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267 #ifdef PRODUCT |
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268 { "DesiredMethodLimit", |
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269 JDK_Version::jdk_update(7, 2), JDK_Version::jdk(8) }, |
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270 #endif // PRODUCT |
| 242 | 271 { NULL, JDK_Version(0), JDK_Version(0) } |
| 272 }; | |
| 273 | |
| 274 // Returns true if the flag is obsolete and fits into the range specified | |
| 275 // for being ignored. In the case that the flag is ignored, the 'version' | |
| 276 // value is filled in with the version number when the flag became | |
| 277 // obsolete so that that value can be displayed to the user. | |
| 278 bool Arguments::is_newly_obsolete(const char *s, JDK_Version* version) { | |
| 0 | 279 int i = 0; |
| 242 | 280 assert(version != NULL, "Must provide a version buffer"); |
| 281 while (obsolete_jvm_flags[i].name != NULL) { | |
| 282 const ObsoleteFlag& flag_status = obsolete_jvm_flags[i]; | |
| 0 | 283 // <flag>=xxx form |
| 284 // [-|+]<flag> form | |
| 242 | 285 if ((strncmp(flag_status.name, s, strlen(flag_status.name)) == 0) || |
| 0 | 286 ((s[0] == '+' || s[0] == '-') && |
| 242 | 287 (strncmp(flag_status.name, &s[1], strlen(flag_status.name)) == 0))) { |
| 288 if (JDK_Version::current().compare(flag_status.accept_until) == -1) { | |
| 289 *version = flag_status.obsoleted_in; | |
| 290 return true; | |
| 291 } | |
| 0 | 292 } |
| 293 i++; | |
| 294 } | |
| 295 return false; | |
| 296 } | |
| 297 | |
| 298 // Constructs the system class path (aka boot class path) from the following | |
| 299 // components, in order: | |
| 300 // | |
| 301 // prefix // from -Xbootclasspath/p:... | |
| 302 // endorsed // the expansion of -Djava.endorsed.dirs=... | |
| 303 // base // from os::get_system_properties() or -Xbootclasspath= | |
| 304 // suffix // from -Xbootclasspath/a:... | |
| 305 // | |
| 306 // java.endorsed.dirs is a list of directories; any jar or zip files in the | |
| 307 // directories are added to the sysclasspath just before the base. | |
| 308 // | |
| 309 // This could be AllStatic, but it isn't needed after argument processing is | |
| 310 // complete. | |
| 311 class SysClassPath: public StackObj { | |
| 312 public: | |
| 313 SysClassPath(const char* base); | |
| 314 ~SysClassPath(); | |
| 315 | |
| 316 inline void set_base(const char* base); | |
| 317 inline void add_prefix(const char* prefix); | |
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318 inline void add_suffix_to_prefix(const char* suffix); |
| 0 | 319 inline void add_suffix(const char* suffix); |
| 320 inline void reset_path(const char* base); | |
| 321 | |
| 322 // Expand the jar/zip files in each directory listed by the java.endorsed.dirs | |
| 323 // property. Must be called after all command-line arguments have been | |
| 324 // processed (in particular, -Djava.endorsed.dirs=...) and before calling | |
| 325 // combined_path(). | |
| 326 void expand_endorsed(); | |
| 327 | |
| 328 inline const char* get_base() const { return _items[_scp_base]; } | |
| 329 inline const char* get_prefix() const { return _items[_scp_prefix]; } | |
| 330 inline const char* get_suffix() const { return _items[_scp_suffix]; } | |
| 331 inline const char* get_endorsed() const { return _items[_scp_endorsed]; } | |
| 332 | |
| 333 // Combine all the components into a single c-heap-allocated string; caller | |
| 334 // must free the string if/when no longer needed. | |
| 335 char* combined_path(); | |
| 336 | |
| 337 private: | |
| 338 // Utility routines. | |
| 339 static char* add_to_path(const char* path, const char* str, bool prepend); | |
| 340 static char* add_jars_to_path(char* path, const char* directory); | |
| 341 | |
| 342 inline void reset_item_at(int index); | |
| 343 | |
| 344 // Array indices for the items that make up the sysclasspath. All except the | |
| 345 // base are allocated in the C heap and freed by this class. | |
| 346 enum { | |
| 347 _scp_prefix, // from -Xbootclasspath/p:... | |
| 348 _scp_endorsed, // the expansion of -Djava.endorsed.dirs=... | |
| 349 _scp_base, // the default sysclasspath | |
| 350 _scp_suffix, // from -Xbootclasspath/a:... | |
| 351 _scp_nitems // the number of items, must be last. | |
| 352 }; | |
| 353 | |
| 354 const char* _items[_scp_nitems]; | |
| 355 DEBUG_ONLY(bool _expansion_done;) | |
| 356 }; | |
| 357 | |
| 358 SysClassPath::SysClassPath(const char* base) { | |
| 359 memset(_items, 0, sizeof(_items)); | |
| 360 _items[_scp_base] = base; | |
| 361 DEBUG_ONLY(_expansion_done = false;) | |
| 362 } | |
| 363 | |
| 364 SysClassPath::~SysClassPath() { | |
| 365 // Free everything except the base. | |
| 366 for (int i = 0; i < _scp_nitems; ++i) { | |
| 367 if (i != _scp_base) reset_item_at(i); | |
| 368 } | |
| 369 DEBUG_ONLY(_expansion_done = false;) | |
| 370 } | |
| 371 | |
| 372 inline void SysClassPath::set_base(const char* base) { | |
| 373 _items[_scp_base] = base; | |
| 374 } | |
| 375 | |
| 376 inline void SysClassPath::add_prefix(const char* prefix) { | |
| 377 _items[_scp_prefix] = add_to_path(_items[_scp_prefix], prefix, true); | |
| 378 } | |
| 379 | |
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380 inline void SysClassPath::add_suffix_to_prefix(const char* suffix) { |
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381 _items[_scp_prefix] = add_to_path(_items[_scp_prefix], suffix, false); |
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382 } |
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383 |
| 0 | 384 inline void SysClassPath::add_suffix(const char* suffix) { |
| 385 _items[_scp_suffix] = add_to_path(_items[_scp_suffix], suffix, false); | |
| 386 } | |
| 387 | |
| 388 inline void SysClassPath::reset_item_at(int index) { | |
| 389 assert(index < _scp_nitems && index != _scp_base, "just checking"); | |
| 390 if (_items[index] != NULL) { | |
| 6197 | 391 FREE_C_HEAP_ARRAY(char, _items[index], mtInternal); |
| 0 | 392 _items[index] = NULL; |
| 393 } | |
| 394 } | |
| 395 | |
| 396 inline void SysClassPath::reset_path(const char* base) { | |
| 397 // Clear the prefix and suffix. | |
| 398 reset_item_at(_scp_prefix); | |
| 399 reset_item_at(_scp_suffix); | |
| 400 set_base(base); | |
| 401 } | |
| 402 | |
| 403 //------------------------------------------------------------------------------ | |
| 404 | |
| 405 void SysClassPath::expand_endorsed() { | |
| 406 assert(_items[_scp_endorsed] == NULL, "can only be called once."); | |
| 407 | |
| 408 const char* path = Arguments::get_property("java.endorsed.dirs"); | |
| 409 if (path == NULL) { | |
| 410 path = Arguments::get_endorsed_dir(); | |
| 411 assert(path != NULL, "no default for java.endorsed.dirs"); | |
| 412 } | |
| 413 | |
| 414 char* expanded_path = NULL; | |
| 415 const char separator = *os::path_separator(); | |
| 416 const char* const end = path + strlen(path); | |
| 417 while (path < end) { | |
| 418 const char* tmp_end = strchr(path, separator); | |
| 419 if (tmp_end == NULL) { | |
| 420 expanded_path = add_jars_to_path(expanded_path, path); | |
| 421 path = end; | |
| 422 } else { | |
| 6197 | 423 char* dirpath = NEW_C_HEAP_ARRAY(char, tmp_end - path + 1, mtInternal); |
| 0 | 424 memcpy(dirpath, path, tmp_end - path); |
| 425 dirpath[tmp_end - path] = '\0'; | |
| 426 expanded_path = add_jars_to_path(expanded_path, dirpath); | |
| 6197 | 427 FREE_C_HEAP_ARRAY(char, dirpath, mtInternal); |
| 0 | 428 path = tmp_end + 1; |
| 429 } | |
| 430 } | |
| 431 _items[_scp_endorsed] = expanded_path; | |
| 432 DEBUG_ONLY(_expansion_done = true;) | |
| 433 } | |
| 434 | |
| 435 // Combine the bootclasspath elements, some of which may be null, into a single | |
| 436 // c-heap-allocated string. | |
| 437 char* SysClassPath::combined_path() { | |
| 438 assert(_items[_scp_base] != NULL, "empty default sysclasspath"); | |
| 439 assert(_expansion_done, "must call expand_endorsed() first."); | |
| 440 | |
| 441 size_t lengths[_scp_nitems]; | |
| 442 size_t total_len = 0; | |
| 443 | |
| 444 const char separator = *os::path_separator(); | |
| 445 | |
| 446 // Get the lengths. | |
| 447 int i; | |
| 448 for (i = 0; i < _scp_nitems; ++i) { | |
| 449 if (_items[i] != NULL) { | |
| 450 lengths[i] = strlen(_items[i]); | |
| 451 // Include space for the separator char (or a NULL for the last item). | |
| 452 total_len += lengths[i] + 1; | |
| 453 } | |
| 454 } | |
| 455 assert(total_len > 0, "empty sysclasspath not allowed"); | |
| 456 | |
| 457 // Copy the _items to a single string. | |
| 6197 | 458 char* cp = NEW_C_HEAP_ARRAY(char, total_len, mtInternal); |
| 0 | 459 char* cp_tmp = cp; |
| 460 for (i = 0; i < _scp_nitems; ++i) { | |
| 461 if (_items[i] != NULL) { | |
| 462 memcpy(cp_tmp, _items[i], lengths[i]); | |
| 463 cp_tmp += lengths[i]; | |
| 464 *cp_tmp++ = separator; | |
| 465 } | |
| 466 } | |
| 467 *--cp_tmp = '\0'; // Replace the extra separator. | |
| 468 return cp; | |
| 469 } | |
| 470 | |
| 471 // Note: path must be c-heap-allocated (or NULL); it is freed if non-null. | |
| 472 char* | |
| 473 SysClassPath::add_to_path(const char* path, const char* str, bool prepend) { | |
| 474 char *cp; | |
| 475 | |
| 476 assert(str != NULL, "just checking"); | |
| 477 if (path == NULL) { | |
| 478 size_t len = strlen(str) + 1; | |
| 6197 | 479 cp = NEW_C_HEAP_ARRAY(char, len, mtInternal); |
| 0 | 480 memcpy(cp, str, len); // copy the trailing null |
| 481 } else { | |
| 482 const char separator = *os::path_separator(); | |
| 483 size_t old_len = strlen(path); | |
| 484 size_t str_len = strlen(str); | |
| 485 size_t len = old_len + str_len + 2; | |
| 486 | |
| 487 if (prepend) { | |
| 6197 | 488 cp = NEW_C_HEAP_ARRAY(char, len, mtInternal); |
| 0 | 489 char* cp_tmp = cp; |
| 490 memcpy(cp_tmp, str, str_len); | |
| 491 cp_tmp += str_len; | |
| 492 *cp_tmp = separator; | |
| 493 memcpy(++cp_tmp, path, old_len + 1); // copy the trailing null | |
| 6197 | 494 FREE_C_HEAP_ARRAY(char, path, mtInternal); |
| 0 | 495 } else { |
| 6197 | 496 cp = REALLOC_C_HEAP_ARRAY(char, path, len, mtInternal); |
| 0 | 497 char* cp_tmp = cp + old_len; |
| 498 *cp_tmp = separator; | |
| 499 memcpy(++cp_tmp, str, str_len + 1); // copy the trailing null | |
| 500 } | |
| 501 } | |
| 502 return cp; | |
| 503 } | |
| 504 | |
| 505 // Scan the directory and append any jar or zip files found to path. | |
| 506 // Note: path must be c-heap-allocated (or NULL); it is freed if non-null. | |
| 507 char* SysClassPath::add_jars_to_path(char* path, const char* directory) { | |
| 508 DIR* dir = os::opendir(directory); | |
| 509 if (dir == NULL) return path; | |
| 510 | |
| 511 char dir_sep[2] = { '\0', '\0' }; | |
| 512 size_t directory_len = strlen(directory); | |
| 513 const char fileSep = *os::file_separator(); | |
| 514 if (directory[directory_len - 1] != fileSep) dir_sep[0] = fileSep; | |
| 515 | |
| 516 /* Scan the directory for jars/zips, appending them to path. */ | |
| 517 struct dirent *entry; | |
| 6197 | 518 char *dbuf = NEW_C_HEAP_ARRAY(char, os::readdir_buf_size(directory), mtInternal); |
| 0 | 519 while ((entry = os::readdir(dir, (dirent *) dbuf)) != NULL) { |
| 520 const char* name = entry->d_name; | |
| 521 const char* ext = name + strlen(name) - 4; | |
| 522 bool isJarOrZip = ext > name && | |
| 523 (os::file_name_strcmp(ext, ".jar") == 0 || | |
| 524 os::file_name_strcmp(ext, ".zip") == 0); | |
| 525 if (isJarOrZip) { | |
| 6197 | 526 char* jarpath = NEW_C_HEAP_ARRAY(char, directory_len + 2 + strlen(name), mtInternal); |
| 0 | 527 sprintf(jarpath, "%s%s%s", directory, dir_sep, name); |
| 528 path = add_to_path(path, jarpath, false); | |
| 6197 | 529 FREE_C_HEAP_ARRAY(char, jarpath, mtInternal); |
| 0 | 530 } |
| 531 } | |
| 6197 | 532 FREE_C_HEAP_ARRAY(char, dbuf, mtInternal); |
| 0 | 533 os::closedir(dir); |
| 534 return path; | |
| 535 } | |
| 536 | |
| 537 // Parses a memory size specification string. | |
|
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538 static bool atomull(const char *s, julong* result) { |
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539 julong n = 0; |
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540 int args_read = sscanf(s, JULONG_FORMAT, &n); |
| 0 | 541 if (args_read != 1) { |
| 542 return false; | |
| 543 } | |
| 544 while (*s != '\0' && isdigit(*s)) { | |
| 545 s++; | |
| 546 } | |
| 547 // 4705540: illegal if more characters are found after the first non-digit | |
| 548 if (strlen(s) > 1) { | |
| 549 return false; | |
| 550 } | |
| 551 switch (*s) { | |
| 552 case 'T': case 't': | |
| 553 *result = n * G * K; | |
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554 // Check for overflow. |
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555 if (*result/((julong)G * K) != n) return false; |
| 0 | 556 return true; |
| 557 case 'G': case 'g': | |
| 558 *result = n * G; | |
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559 if (*result/G != n) return false; |
| 0 | 560 return true; |
| 561 case 'M': case 'm': | |
| 562 *result = n * M; | |
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563 if (*result/M != n) return false; |
| 0 | 564 return true; |
| 565 case 'K': case 'k': | |
| 566 *result = n * K; | |
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567 if (*result/K != n) return false; |
| 0 | 568 return true; |
| 569 case '\0': | |
| 570 *result = n; | |
| 571 return true; | |
| 572 default: | |
| 573 return false; | |
| 574 } | |
| 575 } | |
| 576 | |
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577 Arguments::ArgsRange Arguments::check_memory_size(julong size, julong min_size) { |
| 0 | 578 if (size < min_size) return arg_too_small; |
| 579 // Check that size will fit in a size_t (only relevant on 32-bit) | |
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580 if (size > max_uintx) return arg_too_big; |
| 0 | 581 return arg_in_range; |
| 582 } | |
| 583 | |
| 584 // Describe an argument out of range error | |
| 585 void Arguments::describe_range_error(ArgsRange errcode) { | |
| 586 switch(errcode) { | |
| 587 case arg_too_big: | |
| 588 jio_fprintf(defaultStream::error_stream(), | |
| 589 "The specified size exceeds the maximum " | |
| 590 "representable size.\n"); | |
| 591 break; | |
| 592 case arg_too_small: | |
| 593 case arg_unreadable: | |
| 594 case arg_in_range: | |
| 595 // do nothing for now | |
| 596 break; | |
| 597 default: | |
| 598 ShouldNotReachHere(); | |
| 599 } | |
| 600 } | |
| 601 | |
| 602 static bool set_bool_flag(char* name, bool value, FlagValueOrigin origin) { | |
| 603 return CommandLineFlags::boolAtPut(name, &value, origin); | |
| 604 } | |
| 605 | |
| 606 static bool set_fp_numeric_flag(char* name, char* value, FlagValueOrigin origin) { | |
| 607 double v; | |
| 608 if (sscanf(value, "%lf", &v) != 1) { | |
| 609 return false; | |
| 610 } | |
| 611 | |
| 612 if (CommandLineFlags::doubleAtPut(name, &v, origin)) { | |
| 613 return true; | |
| 614 } | |
| 615 return false; | |
| 616 } | |
| 617 | |
| 618 static bool set_numeric_flag(char* name, char* value, FlagValueOrigin origin) { | |
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619 julong v; |
| 0 | 620 intx intx_v; |
| 621 bool is_neg = false; | |
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622 // Check the sign first since atomull() parses only unsigned values. |
| 0 | 623 if (*value == '-') { |
| 624 if (!CommandLineFlags::intxAt(name, &intx_v)) { | |
| 625 return false; | |
| 626 } | |
| 627 value++; | |
| 628 is_neg = true; | |
| 629 } | |
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630 if (!atomull(value, &v)) { |
| 0 | 631 return false; |
| 632 } | |
| 633 intx_v = (intx) v; | |
| 634 if (is_neg) { | |
| 635 intx_v = -intx_v; | |
| 636 } | |
| 637 if (CommandLineFlags::intxAtPut(name, &intx_v, origin)) { | |
| 638 return true; | |
| 639 } | |
| 640 uintx uintx_v = (uintx) v; | |
| 641 if (!is_neg && CommandLineFlags::uintxAtPut(name, &uintx_v, origin)) { | |
| 642 return true; | |
| 643 } | |
| 1064 | 644 uint64_t uint64_t_v = (uint64_t) v; |
| 645 if (!is_neg && CommandLineFlags::uint64_tAtPut(name, &uint64_t_v, origin)) { | |
| 646 return true; | |
| 647 } | |
| 0 | 648 return false; |
| 649 } | |
| 650 | |
| 651 static bool set_string_flag(char* name, const char* value, FlagValueOrigin origin) { | |
| 652 if (!CommandLineFlags::ccstrAtPut(name, &value, origin)) return false; | |
| 653 // Contract: CommandLineFlags always returns a pointer that needs freeing. | |
| 6197 | 654 FREE_C_HEAP_ARRAY(char, value, mtInternal); |
| 0 | 655 return true; |
| 656 } | |
| 657 | |
| 658 static bool append_to_string_flag(char* name, const char* new_value, FlagValueOrigin origin) { | |
| 659 const char* old_value = ""; | |
| 660 if (!CommandLineFlags::ccstrAt(name, &old_value)) return false; | |
| 661 size_t old_len = old_value != NULL ? strlen(old_value) : 0; | |
| 662 size_t new_len = strlen(new_value); | |
| 663 const char* value; | |
| 664 char* free_this_too = NULL; | |
| 665 if (old_len == 0) { | |
| 666 value = new_value; | |
| 667 } else if (new_len == 0) { | |
| 668 value = old_value; | |
| 669 } else { | |
| 6197 | 670 char* buf = NEW_C_HEAP_ARRAY(char, old_len + 1 + new_len + 1, mtInternal); |
| 0 | 671 // each new setting adds another LINE to the switch: |
| 672 sprintf(buf, "%s\n%s", old_value, new_value); | |
| 673 value = buf; | |
| 674 free_this_too = buf; | |
| 675 } | |
| 676 (void) CommandLineFlags::ccstrAtPut(name, &value, origin); | |
| 677 // CommandLineFlags always returns a pointer that needs freeing. | |
| 6197 | 678 FREE_C_HEAP_ARRAY(char, value, mtInternal); |
| 0 | 679 if (free_this_too != NULL) { |
| 680 // CommandLineFlags made its own copy, so I must delete my own temp. buffer. | |
| 6197 | 681 FREE_C_HEAP_ARRAY(char, free_this_too, mtInternal); |
| 0 | 682 } |
| 683 return true; | |
| 684 } | |
| 685 | |
| 686 bool Arguments::parse_argument(const char* arg, FlagValueOrigin origin) { | |
| 687 | |
| 688 // range of acceptable characters spelled out for portability reasons | |
| 689 #define NAME_RANGE "[abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_]" | |
| 690 #define BUFLEN 255 | |
| 691 char name[BUFLEN+1]; | |
| 692 char dummy; | |
| 693 | |
| 694 if (sscanf(arg, "-%" XSTR(BUFLEN) NAME_RANGE "%c", name, &dummy) == 1) { | |
| 695 return set_bool_flag(name, false, origin); | |
| 696 } | |
| 697 if (sscanf(arg, "+%" XSTR(BUFLEN) NAME_RANGE "%c", name, &dummy) == 1) { | |
| 698 return set_bool_flag(name, true, origin); | |
| 699 } | |
| 700 | |
| 701 char punct; | |
| 702 if (sscanf(arg, "%" XSTR(BUFLEN) NAME_RANGE "%c", name, &punct) == 2 && punct == '=') { | |
| 703 const char* value = strchr(arg, '=') + 1; | |
| 704 Flag* flag = Flag::find_flag(name, strlen(name)); | |
| 705 if (flag != NULL && flag->is_ccstr()) { | |
| 706 if (flag->ccstr_accumulates()) { | |
| 707 return append_to_string_flag(name, value, origin); | |
| 708 } else { | |
| 709 if (value[0] == '\0') { | |
| 710 value = NULL; | |
| 711 } | |
| 712 return set_string_flag(name, value, origin); | |
| 713 } | |
| 714 } | |
| 715 } | |
| 716 | |
| 717 if (sscanf(arg, "%" XSTR(BUFLEN) NAME_RANGE ":%c", name, &punct) == 2 && punct == '=') { | |
| 718 const char* value = strchr(arg, '=') + 1; | |
| 719 // -XX:Foo:=xxx will reset the string flag to the given value. | |
| 720 if (value[0] == '\0') { | |
| 721 value = NULL; | |
| 722 } | |
| 723 return set_string_flag(name, value, origin); | |
| 724 } | |
| 725 | |
| 726 #define SIGNED_FP_NUMBER_RANGE "[-0123456789.]" | |
| 727 #define SIGNED_NUMBER_RANGE "[-0123456789]" | |
| 728 #define NUMBER_RANGE "[0123456789]" | |
| 729 char value[BUFLEN + 1]; | |
| 730 char value2[BUFLEN + 1]; | |
| 731 if (sscanf(arg, "%" XSTR(BUFLEN) NAME_RANGE "=" "%" XSTR(BUFLEN) SIGNED_NUMBER_RANGE "." "%" XSTR(BUFLEN) NUMBER_RANGE "%c", name, value, value2, &dummy) == 3) { | |
| 732 // Looks like a floating-point number -- try again with more lenient format string | |
| 733 if (sscanf(arg, "%" XSTR(BUFLEN) NAME_RANGE "=" "%" XSTR(BUFLEN) SIGNED_FP_NUMBER_RANGE "%c", name, value, &dummy) == 2) { | |
| 734 return set_fp_numeric_flag(name, value, origin); | |
| 735 } | |
| 736 } | |
| 737 | |
| 738 #define VALUE_RANGE "[-kmgtKMGT0123456789]" | |
| 739 if (sscanf(arg, "%" XSTR(BUFLEN) NAME_RANGE "=" "%" XSTR(BUFLEN) VALUE_RANGE "%c", name, value, &dummy) == 2) { | |
| 740 return set_numeric_flag(name, value, origin); | |
| 741 } | |
| 742 | |
| 743 return false; | |
| 744 } | |
| 745 | |
| 746 void Arguments::add_string(char*** bldarray, int* count, const char* arg) { | |
| 747 assert(bldarray != NULL, "illegal argument"); | |
| 748 | |
| 749 if (arg == NULL) { | |
| 750 return; | |
| 751 } | |
| 752 | |
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753 int new_count = *count + 1; |
| 0 | 754 |
| 755 // expand the array and add arg to the last element | |
| 756 if (*bldarray == NULL) { | |
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757 *bldarray = NEW_C_HEAP_ARRAY(char*, new_count, mtInternal); |
| 0 | 758 } else { |
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759 *bldarray = REALLOC_C_HEAP_ARRAY(char*, *bldarray, new_count, mtInternal); |
| 0 | 760 } |
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761 (*bldarray)[*count] = strdup(arg); |
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762 *count = new_count; |
| 0 | 763 } |
| 764 | |
| 765 void Arguments::build_jvm_args(const char* arg) { | |
| 766 add_string(&_jvm_args_array, &_num_jvm_args, arg); | |
| 767 } | |
| 768 | |
| 769 void Arguments::build_jvm_flags(const char* arg) { | |
| 770 add_string(&_jvm_flags_array, &_num_jvm_flags, arg); | |
| 771 } | |
| 772 | |
| 773 // utility function to return a string that concatenates all | |
| 774 // strings in a given char** array | |
| 775 const char* Arguments::build_resource_string(char** args, int count) { | |
| 776 if (args == NULL || count == 0) { | |
| 777 return NULL; | |
| 778 } | |
| 779 size_t length = strlen(args[0]) + 1; // add 1 for the null terminator | |
| 780 for (int i = 1; i < count; i++) { | |
| 781 length += strlen(args[i]) + 1; // add 1 for a space | |
| 782 } | |
| 783 char* s = NEW_RESOURCE_ARRAY(char, length); | |
| 784 strcpy(s, args[0]); | |
| 785 for (int j = 1; j < count; j++) { | |
| 786 strcat(s, " "); | |
| 787 strcat(s, args[j]); | |
| 788 } | |
| 789 return (const char*) s; | |
| 790 } | |
| 791 | |
| 792 void Arguments::print_on(outputStream* st) { | |
| 793 st->print_cr("VM Arguments:"); | |
| 794 if (num_jvm_flags() > 0) { | |
| 795 st->print("jvm_flags: "); print_jvm_flags_on(st); | |
| 796 } | |
| 797 if (num_jvm_args() > 0) { | |
| 798 st->print("jvm_args: "); print_jvm_args_on(st); | |
| 799 } | |
| 800 st->print_cr("java_command: %s", java_command() ? java_command() : "<unknown>"); | |
|
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801 if (_java_class_path != NULL) { |
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802 char* path = _java_class_path->value(); |
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803 st->print_cr("java_class_path (initial): %s", strlen(path) == 0 ? "<not set>" : path ); |
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804 } |
| 0 | 805 st->print_cr("Launcher Type: %s", _sun_java_launcher); |
| 806 } | |
| 807 | |
| 808 void Arguments::print_jvm_flags_on(outputStream* st) { | |
| 809 if (_num_jvm_flags > 0) { | |
| 810 for (int i=0; i < _num_jvm_flags; i++) { | |
| 811 st->print("%s ", _jvm_flags_array[i]); | |
| 812 } | |
| 813 st->print_cr(""); | |
| 814 } | |
| 815 } | |
| 816 | |
| 817 void Arguments::print_jvm_args_on(outputStream* st) { | |
| 818 if (_num_jvm_args > 0) { | |
| 819 for (int i=0; i < _num_jvm_args; i++) { | |
| 820 st->print("%s ", _jvm_args_array[i]); | |
| 821 } | |
| 822 st->print_cr(""); | |
| 823 } | |
| 824 } | |
| 825 | |
| 242 | 826 bool Arguments::process_argument(const char* arg, |
| 827 jboolean ignore_unrecognized, FlagValueOrigin origin) { | |
| 828 | |
| 829 JDK_Version since = JDK_Version(); | |
| 0 | 830 |
| 3250 | 831 if (parse_argument(arg, origin) || ignore_unrecognized) { |
| 832 return true; | |
| 0 | 833 } |
| 3250 | 834 |
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835 bool has_plus_minus = (*arg == '+' || *arg == '-'); |
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836 const char* const argname = has_plus_minus ? arg + 1 : arg; |
| 3250 | 837 if (is_newly_obsolete(arg, &since)) { |
| 838 char version[256]; | |
| 839 since.to_string(version, sizeof(version)); | |
| 840 warning("ignoring option %s; support was removed in %s", argname, version); | |
| 841 return true; | |
| 842 } | |
| 843 | |
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844 // For locked flags, report a custom error message if available. |
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845 // Otherwise, report the standard unrecognized VM option. |
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846 |
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847 size_t arg_len; |
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848 const char* equal_sign = strchr(argname, '='); |
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849 if (equal_sign == NULL) { |
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850 arg_len = strlen(argname); |
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851 } else { |
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852 arg_len = equal_sign - argname; |
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853 } |
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854 |
| 11070 | 855 Flag* found_flag = Flag::find_flag((const char*)argname, arg_len, true); |
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856 if (found_flag != NULL) { |
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857 char locked_message_buf[BUFLEN]; |
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858 found_flag->get_locked_message(locked_message_buf, BUFLEN); |
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859 if (strlen(locked_message_buf) == 0) { |
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860 if (found_flag->is_bool() && !has_plus_minus) { |
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861 jio_fprintf(defaultStream::error_stream(), |
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862 "Missing +/- setting for VM option '%s'\n", argname); |
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863 } else if (!found_flag->is_bool() && has_plus_minus) { |
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864 jio_fprintf(defaultStream::error_stream(), |
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865 "Unexpected +/- setting in VM option '%s'\n", argname); |
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866 } else { |
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867 jio_fprintf(defaultStream::error_stream(), |
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868 "Improperly specified VM option '%s'\n", argname); |
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869 } |
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870 } else { |
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871 jio_fprintf(defaultStream::error_stream(), "%s", locked_message_buf); |
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872 } |
| 6017 | 873 } else { |
| 874 jio_fprintf(defaultStream::error_stream(), | |
| 875 "Unrecognized VM option '%s'\n", argname); | |
| 11070 | 876 Flag* fuzzy_matched = Flag::fuzzy_match((const char*)argname, arg_len, true); |
| 877 if (fuzzy_matched != NULL) { | |
| 878 jio_fprintf(defaultStream::error_stream(), | |
| 879 "Did you mean '%s%s%s'?\n", | |
| 880 (fuzzy_matched->is_bool()) ? "(+/-)" : "", | |
| 881 fuzzy_matched->name, | |
| 882 (fuzzy_matched->is_bool()) ? "" : "=<value>"); | |
| 883 } | |
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884 } |
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885 |
| 3250 | 886 // allow for commandline "commenting out" options like -XX:#+Verbose |
| 887 return arg[0] == '#'; | |
| 0 | 888 } |
| 889 | |
| 890 bool Arguments::process_settings_file(const char* file_name, bool should_exist, jboolean ignore_unrecognized) { | |
| 891 FILE* stream = fopen(file_name, "rb"); | |
| 892 if (stream == NULL) { | |
| 893 if (should_exist) { | |
| 894 jio_fprintf(defaultStream::error_stream(), | |
| 895 "Could not open settings file %s\n", file_name); | |
| 896 return false; | |
| 897 } else { | |
| 898 return true; | |
| 899 } | |
| 900 } | |
| 901 | |
| 902 char token[1024]; | |
| 903 int pos = 0; | |
| 904 | |
| 905 bool in_white_space = true; | |
| 906 bool in_comment = false; | |
| 907 bool in_quote = false; | |
| 908 char quote_c = 0; | |
| 909 bool result = true; | |
| 910 | |
| 911 int c = getc(stream); | |
| 6901 | 912 while(c != EOF && pos < (int)(sizeof(token)-1)) { |
| 0 | 913 if (in_white_space) { |
| 914 if (in_comment) { | |
| 915 if (c == '\n') in_comment = false; | |
| 916 } else { | |
| 917 if (c == '#') in_comment = true; | |
| 918 else if (!isspace(c)) { | |
| 919 in_white_space = false; | |
| 920 token[pos++] = c; | |
| 921 } | |
| 922 } | |
| 923 } else { | |
| 924 if (c == '\n' || (!in_quote && isspace(c))) { | |
| 925 // token ends at newline, or at unquoted whitespace | |
| 926 // this allows a way to include spaces in string-valued options | |
| 927 token[pos] = '\0'; | |
| 928 logOption(token); | |
| 929 result &= process_argument(token, ignore_unrecognized, CONFIG_FILE); | |
| 930 build_jvm_flags(token); | |
| 931 pos = 0; | |
| 932 in_white_space = true; | |
| 933 in_quote = false; | |
| 934 } else if (!in_quote && (c == '\'' || c == '"')) { | |
| 935 in_quote = true; | |
| 936 quote_c = c; | |
| 937 } else if (in_quote && (c == quote_c)) { | |
| 938 in_quote = false; | |
| 939 } else { | |
| 940 token[pos++] = c; | |
| 941 } | |
| 942 } | |
| 943 c = getc(stream); | |
| 944 } | |
| 945 if (pos > 0) { | |
| 946 token[pos] = '\0'; | |
| 947 result &= process_argument(token, ignore_unrecognized, CONFIG_FILE); | |
| 948 build_jvm_flags(token); | |
| 949 } | |
| 950 fclose(stream); | |
| 951 return result; | |
| 952 } | |
| 953 | |
| 954 //============================================================================================================= | |
| 955 // Parsing of properties (-D) | |
| 956 | |
| 957 const char* Arguments::get_property(const char* key) { | |
| 958 return PropertyList_get_value(system_properties(), key); | |
| 959 } | |
| 960 | |
| 961 bool Arguments::add_property(const char* prop) { | |
| 962 const char* eq = strchr(prop, '='); | |
| 963 char* key; | |
| 964 // ns must be static--its address may be stored in a SystemProperty object. | |
| 965 const static char ns[1] = {0}; | |
| 966 char* value = (char *)ns; | |
| 967 | |
| 968 size_t key_len = (eq == NULL) ? strlen(prop) : (eq - prop); | |
| 6197 | 969 key = AllocateHeap(key_len + 1, mtInternal); |
| 0 | 970 strncpy(key, prop, key_len); |
| 971 key[key_len] = '\0'; | |
| 972 | |
| 973 if (eq != NULL) { | |
| 974 size_t value_len = strlen(prop) - key_len - 1; | |
| 6197 | 975 value = AllocateHeap(value_len + 1, mtInternal); |
| 0 | 976 strncpy(value, &prop[key_len + 1], value_len + 1); |
| 977 } | |
| 978 | |
| 979 if (strcmp(key, "java.compiler") == 0) { | |
| 980 process_java_compiler_argument(value); | |
| 981 FreeHeap(key); | |
| 982 if (eq != NULL) { | |
| 983 FreeHeap(value); | |
| 984 } | |
| 985 return true; | |
| 691 | 986 } else if (strcmp(key, "sun.java.command") == 0) { |
| 0 | 987 _java_command = value; |
| 988 | |
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989 // Record value in Arguments, but let it get passed to Java. |
| 691 | 990 } else if (strcmp(key, "sun.java.launcher.pid") == 0) { |
| 0 | 991 // launcher.pid property is private and is processed |
| 992 // in process_sun_java_launcher_properties(); | |
| 993 // the sun.java.launcher property is passed on to the java application | |
| 994 FreeHeap(key); | |
| 995 if (eq != NULL) { | |
| 996 FreeHeap(value); | |
| 997 } | |
| 998 return true; | |
| 691 | 999 } else if (strcmp(key, "java.vendor.url.bug") == 0) { |
| 0 | 1000 // save it in _java_vendor_url_bug, so JVM fatal error handler can access |
| 1001 // its value without going through the property list or making a Java call. | |
| 1002 _java_vendor_url_bug = value; | |
| 691 | 1003 } else if (strcmp(key, "sun.boot.library.path") == 0) { |
| 1004 PropertyList_unique_add(&_system_properties, key, value, true); | |
| 1005 return true; | |
| 0 | 1006 } |
| 1007 // Create new property and add at the end of the list | |
| 1008 PropertyList_unique_add(&_system_properties, key, value); | |
| 1009 return true; | |
| 1010 } | |
| 1011 | |
| 1012 //=========================================================================================================== | |
| 1013 // Setting int/mixed/comp mode flags | |
| 1014 | |
| 1015 void Arguments::set_mode_flags(Mode mode) { | |
| 1016 // Set up default values for all flags. | |
| 1017 // If you add a flag to any of the branches below, | |
| 1018 // add a default value for it here. | |
| 1019 set_java_compiler(false); | |
| 1020 _mode = mode; | |
| 1021 | |
| 1022 // Ensure Agent_OnLoad has the correct initial values. | |
| 1023 // This may not be the final mode; mode may change later in onload phase. | |
| 1024 PropertyList_unique_add(&_system_properties, "java.vm.info", | |
|
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1025 (char*)VM_Version::vm_info_string(), false); |
| 0 | 1026 |
| 1027 UseInterpreter = true; | |
| 1028 UseCompiler = true; | |
| 1029 UseLoopCounter = true; | |
| 1030 | |
|
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1031 #ifndef ZERO |
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1032 // Turn these off for mixed and comp. Leave them on for Zero. |
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1033 if (FLAG_IS_DEFAULT(UseFastAccessorMethods)) { |
|
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1034 UseFastAccessorMethods = (mode == _int); |
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1035 } |
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1036 if (FLAG_IS_DEFAULT(UseFastEmptyMethods)) { |
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1037 UseFastEmptyMethods = (mode == _int); |
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1038 } |
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1039 #endif |
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1040 |
| 0 | 1041 // Default values may be platform/compiler dependent - |
| 1042 // use the saved values | |
| 1043 ClipInlining = Arguments::_ClipInlining; | |
| 1044 AlwaysCompileLoopMethods = Arguments::_AlwaysCompileLoopMethods; | |
| 1045 UseOnStackReplacement = Arguments::_UseOnStackReplacement; | |
| 1046 BackgroundCompilation = Arguments::_BackgroundCompilation; | |
| 1047 | |
| 1048 // Change from defaults based on mode | |
| 1049 switch (mode) { | |
| 1050 default: | |
| 1051 ShouldNotReachHere(); | |
| 1052 break; | |
| 1053 case _int: | |
| 1054 UseCompiler = false; | |
| 1055 UseLoopCounter = false; | |
| 1056 AlwaysCompileLoopMethods = false; | |
| 1057 UseOnStackReplacement = false; | |
| 1058 break; | |
| 1059 case _mixed: | |
| 1060 // same as default | |
| 1061 break; | |
| 1062 case _comp: | |
| 1063 UseInterpreter = false; | |
| 1064 BackgroundCompilation = false; | |
| 1065 ClipInlining = false; | |
|
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1066 // Be much more aggressive in tiered mode with -Xcomp and exercise C2 more. |
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1067 // We will first compile a level 3 version (C1 with full profiling), then do one invocation of it and |
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1068 // compile a level 4 (C2) and then continue executing it. |
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1069 if (TieredCompilation) { |
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1070 Tier3InvokeNotifyFreqLog = 0; |
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1071 Tier4InvocationThreshold = 0; |
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1072 } |
| 0 | 1073 break; |
| 1074 } | |
| 1075 } | |
| 1076 | |
| 1077 // Conflict: required to use shared spaces (-Xshare:on), but | |
| 1078 // incompatible command line options were chosen. | |
| 1079 | |
| 1080 static void no_shared_spaces() { | |
| 1081 if (RequireSharedSpaces) { | |
| 1082 jio_fprintf(defaultStream::error_stream(), | |
| 1083 "Class data sharing is inconsistent with other specified options.\n"); | |
| 1084 vm_exit_during_initialization("Unable to use shared archive.", NULL); | |
| 1085 } else { | |
| 1086 FLAG_SET_DEFAULT(UseSharedSpaces, false); | |
| 1087 } | |
| 1088 } | |
| 1089 | |
| 1783 | 1090 void Arguments::set_tiered_flags() { |
|
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1091 // With tiered, set default policy to AdvancedThresholdPolicy, which is 3. |
| 1783 | 1092 if (FLAG_IS_DEFAULT(CompilationPolicyChoice)) { |
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1093 FLAG_SET_DEFAULT(CompilationPolicyChoice, 3); |
| 1783 | 1094 } |
| 1095 if (CompilationPolicyChoice < 2) { | |
| 1096 vm_exit_during_initialization( | |
| 1097 "Incompatible compilation policy selected", NULL); | |
| 1098 } | |
|
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1099 // Increase the code cache size - tiered compiles a lot more. |
| 1783 | 1100 if (FLAG_IS_DEFAULT(ReservedCodeCacheSize)) { |
|
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1101 FLAG_SET_DEFAULT(ReservedCodeCacheSize, ReservedCodeCacheSize * 5); |
| 1783 | 1102 } |
| 10278 | 1103 if (!UseInterpreter) { // -Xcomp |
| 1104 Tier3InvokeNotifyFreqLog = 0; | |
| 1105 Tier4InvocationThreshold = 0; | |
| 1106 } | |
| 1783 | 1107 } |
| 1108 | |
|
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1109 #if INCLUDE_ALL_GCS |
| 4838 | 1110 static void disable_adaptive_size_policy(const char* collector_name) { |
| 1111 if (UseAdaptiveSizePolicy) { | |
| 1112 if (FLAG_IS_CMDLINE(UseAdaptiveSizePolicy)) { | |
| 1113 warning("disabling UseAdaptiveSizePolicy; it is incompatible with %s.", | |
| 1114 collector_name); | |
| 1115 } | |
| 1116 FLAG_SET_DEFAULT(UseAdaptiveSizePolicy, false); | |
| 1117 } | |
| 1118 } | |
| 1119 | |
| 0 | 1120 void Arguments::set_parnew_gc_flags() { |
| 1064 | 1121 assert(!UseSerialGC && !UseParallelOldGC && !UseParallelGC && !UseG1GC, |
|
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1122 "control point invariant"); |
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1123 assert(UseParNewGC, "Error"); |
| 0 | 1124 |
| 4838 | 1125 // Turn off AdaptiveSizePolicy for parnew until it is complete. |
| 1126 disable_adaptive_size_policy("UseParNewGC"); | |
|
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1127 |
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1128 if (FLAG_IS_DEFAULT(ParallelGCThreads)) { |
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1129 FLAG_SET_DEFAULT(ParallelGCThreads, Abstract_VM_Version::parallel_worker_threads()); |
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1130 assert(ParallelGCThreads > 0, "We should always have at least one thread by default"); |
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1131 } else if (ParallelGCThreads == 0) { |
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1132 jio_fprintf(defaultStream::error_stream(), |
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1133 "The ParNew GC can not be combined with -XX:ParallelGCThreads=0\n"); |
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1134 vm_exit(1); |
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1135 } |
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1136 |
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1137 // By default YoungPLABSize and OldPLABSize are set to 4096 and 1024 respectively, |
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1138 // these settings are default for Parallel Scavenger. For ParNew+Tenured configuration |
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1139 // we set them to 1024 and 1024. |
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1140 // See CR 6362902. |
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1141 if (FLAG_IS_DEFAULT(YoungPLABSize)) { |
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1142 FLAG_SET_DEFAULT(YoungPLABSize, (intx)1024); |
| 0 | 1143 } |
|
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1144 if (FLAG_IS_DEFAULT(OldPLABSize)) { |
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1145 FLAG_SET_DEFAULT(OldPLABSize, (intx)1024); |
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1146 } |
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1147 |
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1148 // AlwaysTenure flag should make ParNew promote all at first collection. |
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1149 // See CR 6362902. |
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1150 if (AlwaysTenure) { |
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1151 FLAG_SET_CMDLINE(uintx, MaxTenuringThreshold, 0); |
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1152 } |
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1153 // When using compressed oops, we use local overflow stacks, |
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1154 // rather than using a global overflow list chained through |
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1155 // the klass word of the object's pre-image. |
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1156 if (UseCompressedOops && !ParGCUseLocalOverflow) { |
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1157 if (!FLAG_IS_DEFAULT(ParGCUseLocalOverflow)) { |
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1158 warning("Forcing +ParGCUseLocalOverflow: needed if using compressed references"); |
| 0 | 1159 } |
|
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1160 FLAG_SET_DEFAULT(ParGCUseLocalOverflow, true); |
| 0 | 1161 } |
|
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1162 assert(ParGCUseLocalOverflow || !UseCompressedOops, "Error"); |
| 0 | 1163 } |
| 1164 | |
| 1165 // Adjust some sizes to suit CMS and/or ParNew needs; these work well on | |
| 1166 // sparc/solaris for certain applications, but would gain from | |
| 1167 // further optimization and tuning efforts, and would almost | |
| 1168 // certainly gain from analysis of platform and environment. | |
| 1169 void Arguments::set_cms_and_parnew_gc_flags() { | |
| 1064 | 1170 assert(!UseSerialGC && !UseParallelOldGC && !UseParallelGC, "Error"); |
|
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1171 assert(UseConcMarkSweepGC, "CMS is expected to be on here"); |
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1172 |
| 0 | 1173 // If we are using CMS, we prefer to UseParNewGC, |
| 1174 // unless explicitly forbidden. | |
|
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1175 if (FLAG_IS_DEFAULT(UseParNewGC)) { |
|
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1176 FLAG_SET_ERGO(bool, UseParNewGC, true); |
| 0 | 1177 } |
| 1178 | |
|
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1179 // Turn off AdaptiveSizePolicy by default for cms until it is complete. |
| 4838 | 1180 disable_adaptive_size_policy("UseConcMarkSweepGC"); |
| 0 | 1181 |
| 1182 // In either case, adjust ParallelGCThreads and/or UseParNewGC | |
| 1183 // as needed. | |
|
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1184 if (UseParNewGC) { |
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1185 set_parnew_gc_flags(); |
| 0 | 1186 } |
| 1187 | |
|
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1188 size_t max_heap = align_size_down(MaxHeapSize, |
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1189 CardTableRS::ct_max_alignment_constraint()); |
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1190 |
| 0 | 1191 // Now make adjustments for CMS |
|
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1192 intx tenuring_default = (intx)6; |
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1193 size_t young_gen_per_worker = CMSYoungGenPerWorker; |
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1194 |
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1195 // Preferred young gen size for "short" pauses: |
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1196 // upper bound depends on # of threads and NewRatio. |
| 0 | 1197 const uintx parallel_gc_threads = |
| 1198 (ParallelGCThreads == 0 ? 1 : ParallelGCThreads); | |
| 1199 const size_t preferred_max_new_size_unaligned = | |
|
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1200 MIN2(max_heap/(NewRatio+1), ScaleForWordSize(young_gen_per_worker * parallel_gc_threads)); |
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1201 size_t preferred_max_new_size = |
| 0 | 1202 align_size_up(preferred_max_new_size_unaligned, os::vm_page_size()); |
| 1203 | |
| 1204 // Unless explicitly requested otherwise, size young gen | |
|
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1205 // for "short" pauses ~ CMSYoungGenPerWorker*ParallelGCThreads |
|
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1206 |
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1207 // If either MaxNewSize or NewRatio is set on the command line, |
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1208 // assume the user is trying to set the size of the young gen. |
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1209 if (FLAG_IS_DEFAULT(MaxNewSize) && FLAG_IS_DEFAULT(NewRatio)) { |
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1210 |
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1211 // Set MaxNewSize to our calculated preferred_max_new_size unless |
|
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1212 // NewSize was set on the command line and it is larger than |
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1213 // preferred_max_new_size. |
| 0 | 1214 if (!FLAG_IS_DEFAULT(NewSize)) { // NewSize explicitly set at command-line |
|
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1215 FLAG_SET_ERGO(uintx, MaxNewSize, MAX2(NewSize, preferred_max_new_size)); |
| 0 | 1216 } else { |
|
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1217 FLAG_SET_ERGO(uintx, MaxNewSize, preferred_max_new_size); |
| 0 | 1218 } |
| 1064 | 1219 if (PrintGCDetails && Verbose) { |
|
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1220 // Too early to use gclog_or_tty |
|
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1221 tty->print_cr("CMS ergo set MaxNewSize: " SIZE_FORMAT, MaxNewSize); |
|
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1222 } |
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1223 |
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1224 // Code along this path potentially sets NewSize and OldSize |
| 1064 | 1225 if (PrintGCDetails && Verbose) { |
|
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1226 // Too early to use gclog_or_tty |
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1227 tty->print_cr("CMS set min_heap_size: " SIZE_FORMAT |
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1228 " initial_heap_size: " SIZE_FORMAT |
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1229 " max_heap: " SIZE_FORMAT, |
| 1064 | 1230 min_heap_size(), InitialHeapSize, max_heap); |
|
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1231 } |
|
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1232 size_t min_new = preferred_max_new_size; |
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1233 if (FLAG_IS_CMDLINE(NewSize)) { |
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1234 min_new = NewSize; |
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1235 } |
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1236 if (max_heap > min_new && min_heap_size() > min_new) { |
| 0 | 1237 // Unless explicitly requested otherwise, make young gen |
| 1238 // at least min_new, and at most preferred_max_new_size. | |
| 1239 if (FLAG_IS_DEFAULT(NewSize)) { | |
|
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1240 FLAG_SET_ERGO(uintx, NewSize, MAX2(NewSize, min_new)); |
|
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1241 FLAG_SET_ERGO(uintx, NewSize, MIN2(preferred_max_new_size, NewSize)); |
| 1064 | 1242 if (PrintGCDetails && Verbose) { |
|
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1243 // Too early to use gclog_or_tty |
|
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1244 tty->print_cr("CMS ergo set NewSize: " SIZE_FORMAT, NewSize); |
|
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1245 } |
| 0 | 1246 } |
| 1247 // Unless explicitly requested otherwise, size old gen | |
|
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1248 // so it's NewRatio x of NewSize. |
| 0 | 1249 if (FLAG_IS_DEFAULT(OldSize)) { |
| 1250 if (max_heap > NewSize) { | |
|
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1251 FLAG_SET_ERGO(uintx, OldSize, MIN2(NewRatio*NewSize, max_heap - NewSize)); |
| 1064 | 1252 if (PrintGCDetails && Verbose) { |
|
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1253 // Too early to use gclog_or_tty |
|
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1254 tty->print_cr("CMS ergo set OldSize: " SIZE_FORMAT, OldSize); |
|
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1255 } |
| 0 | 1256 } |
| 1257 } | |
| 1258 } | |
| 1259 } | |
| 1260 // Unless explicitly requested otherwise, definitely | |
| 1261 // promote all objects surviving "tenuring_default" scavenges. | |
| 1262 if (FLAG_IS_DEFAULT(MaxTenuringThreshold) && | |
| 1263 FLAG_IS_DEFAULT(SurvivorRatio)) { | |
| 6818 | 1264 FLAG_SET_ERGO(uintx, MaxTenuringThreshold, tenuring_default); |
| 0 | 1265 } |
| 1266 // If we decided above (or user explicitly requested) | |
| 1267 // `promote all' (via MaxTenuringThreshold := 0), | |
| 1268 // prefer minuscule survivor spaces so as not to waste | |
| 1269 // space for (non-existent) survivors | |
| 1270 if (FLAG_IS_DEFAULT(SurvivorRatio) && MaxTenuringThreshold == 0) { | |
| 8035 | 1271 FLAG_SET_ERGO(uintx, SurvivorRatio, MAX2((uintx)1024, SurvivorRatio)); |
| 0 | 1272 } |
| 1273 // If OldPLABSize is set and CMSParPromoteBlocksToClaim is not, | |
| 1274 // set CMSParPromoteBlocksToClaim equal to OldPLABSize. | |
| 1275 // This is done in order to make ParNew+CMS configuration to work | |
| 1276 // with YoungPLABSize and OldPLABSize options. | |
| 1277 // See CR 6362902. | |
| 1278 if (!FLAG_IS_DEFAULT(OldPLABSize)) { | |
| 1279 if (FLAG_IS_DEFAULT(CMSParPromoteBlocksToClaim)) { | |
|
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1280 // OldPLABSize is not the default value but CMSParPromoteBlocksToClaim |
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1281 // is. In this situtation let CMSParPromoteBlocksToClaim follow |
|
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1282 // the value (either from the command line or ergonomics) of |
|
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1283 // OldPLABSize. Following OldPLABSize is an ergonomics decision. |
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1284 FLAG_SET_ERGO(uintx, CMSParPromoteBlocksToClaim, OldPLABSize); |
|
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1285 } else { |
| 0 | 1286 // OldPLABSize and CMSParPromoteBlocksToClaim are both set. |
| 1287 // CMSParPromoteBlocksToClaim is a collector-specific flag, so | |
| 1288 // we'll let it to take precedence. | |
| 1289 jio_fprintf(defaultStream::error_stream(), | |
|
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1290 "Both OldPLABSize and CMSParPromoteBlocksToClaim" |
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1291 " options are specified for the CMS collector." |
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1292 " CMSParPromoteBlocksToClaim will take precedence.\n"); |
| 0 | 1293 } |
| 1294 } | |
|
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1295 if (!FLAG_IS_DEFAULT(ResizeOldPLAB) && !ResizeOldPLAB) { |
|
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1296 // OldPLAB sizing manually turned off: Use a larger default setting, |
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1297 // unless it was manually specified. This is because a too-low value |
|
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1298 // will slow down scavenges. |
|
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1299 if (FLAG_IS_DEFAULT(CMSParPromoteBlocksToClaim)) { |
|
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1300 FLAG_SET_ERGO(uintx, CMSParPromoteBlocksToClaim, 50); // default value before 6631166 |
|
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1301 } |
|
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1302 } |
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1303 // Overwrite OldPLABSize which is the variable we will internally use everywhere. |
|
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1304 FLAG_SET_ERGO(uintx, OldPLABSize, CMSParPromoteBlocksToClaim); |
|
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1305 // If either of the static initialization defaults have changed, note this |
|
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1306 // modification. |
|
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1307 if (!FLAG_IS_DEFAULT(CMSParPromoteBlocksToClaim) || !FLAG_IS_DEFAULT(OldPLABWeight)) { |
|
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1308 CFLS_LAB::modify_initialization(OldPLABSize, OldPLABWeight); |
|
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1309 } |
| 1284 | 1310 if (PrintGCDetails && Verbose) { |
| 1311 tty->print_cr("MarkStackSize: %uk MarkStackSizeMax: %uk", | |
| 1312 MarkStackSize / K, MarkStackSizeMax / K); | |
| 1313 tty->print_cr("ConcGCThreads: %u", ConcGCThreads); | |
| 1314 } | |
| 0 | 1315 } |
|
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1316 #endif // INCLUDE_ALL_GCS |
| 0 | 1317 |
|
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1318 void set_object_alignment() { |
|
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1319 // Object alignment. |
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1320 assert(is_power_of_2(ObjectAlignmentInBytes), "ObjectAlignmentInBytes must be power of 2"); |
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1321 MinObjAlignmentInBytes = ObjectAlignmentInBytes; |
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1322 assert(MinObjAlignmentInBytes >= HeapWordsPerLong * HeapWordSize, "ObjectAlignmentInBytes value is too small"); |
|
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1323 MinObjAlignment = MinObjAlignmentInBytes / HeapWordSize; |
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1324 assert(MinObjAlignmentInBytes == MinObjAlignment * HeapWordSize, "ObjectAlignmentInBytes value is incorrect"); |
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1325 MinObjAlignmentInBytesMask = MinObjAlignmentInBytes - 1; |
|
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1326 |
|
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1327 LogMinObjAlignmentInBytes = exact_log2(ObjectAlignmentInBytes); |
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1328 LogMinObjAlignment = LogMinObjAlignmentInBytes - LogHeapWordSize; |
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1329 |
|
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1330 // Oop encoding heap max |
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1331 OopEncodingHeapMax = (uint64_t(max_juint) + 1) << LogMinObjAlignmentInBytes; |
|
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1332 |
|
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1333 #if INCLUDE_ALL_GCS |
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1334 // Set CMS global values |
|
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1335 CompactibleFreeListSpace::set_cms_values(); |
|
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1336 #endif // INCLUDE_ALL_GCS |
|
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1337 } |
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1338 |
|
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1339 bool verify_object_alignment() { |
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1340 // Object alignment. |
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1341 if (!is_power_of_2(ObjectAlignmentInBytes)) { |
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1342 jio_fprintf(defaultStream::error_stream(), |
|
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1343 "error: ObjectAlignmentInBytes=%d must be power of 2\n", |
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1344 (int)ObjectAlignmentInBytes); |
|
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1345 return false; |
|
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1346 } |
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1347 if ((int)ObjectAlignmentInBytes < BytesPerLong) { |
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1348 jio_fprintf(defaultStream::error_stream(), |
|
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1349 "error: ObjectAlignmentInBytes=%d must be greater or equal %d\n", |
|
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1350 (int)ObjectAlignmentInBytes, BytesPerLong); |
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1351 return false; |
|
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1352 } |
|
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1353 // It does not make sense to have big object alignment |
|
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1354 // since a space lost due to alignment will be greater |
|
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1355 // then a saved space from compressed oops. |
|
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1356 if ((int)ObjectAlignmentInBytes > 256) { |
|
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1357 jio_fprintf(defaultStream::error_stream(), |
|
7461
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1358 "error: ObjectAlignmentInBytes=%d must not be greater than 256\n", |
|
1829
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1359 (int)ObjectAlignmentInBytes); |
|
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1360 return false; |
|
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1361 } |
|
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1362 // In case page size is very small. |
|
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1363 if ((int)ObjectAlignmentInBytes >= os::vm_page_size()) { |
|
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1364 jio_fprintf(defaultStream::error_stream(), |
|
7461
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1365 "error: ObjectAlignmentInBytes=%d must be less than page size %d\n", |
|
1829
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|
1366 (int)ObjectAlignmentInBytes, os::vm_page_size()); |
|
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1367 return false; |
|
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1368 } |
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1369 return true; |
|
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1370 } |
|
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1371 |
|
135
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1372 inline uintx max_heap_for_compressed_oops() { |
| 1963 | 1373 // Avoid sign flip. |
|
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1374 if (OopEncodingHeapMax < ClassMetaspaceSize + os::vm_page_size()) { |
| 1963 | 1375 return 0; |
| 1376 } | |
|
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1377 LP64_ONLY(return OopEncodingHeapMax - ClassMetaspaceSize - os::vm_page_size()); |
| 1064 | 1378 NOT_LP64(ShouldNotReachHere(); return 0); |
|
135
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1379 } |
|
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1380 |
| 0 | 1381 bool Arguments::should_auto_select_low_pause_collector() { |
| 1382 if (UseAutoGCSelectPolicy && | |
| 1383 !FLAG_IS_DEFAULT(MaxGCPauseMillis) && | |
| 1384 (MaxGCPauseMillis <= AutoGCSelectPauseMillis)) { | |
| 1385 if (PrintGCDetails) { | |
| 1386 // Cannot use gclog_or_tty yet. | |
| 1387 tty->print_cr("Automatic selection of the low pause collector" | |
| 1388 " based on pause goal of %d (ms)", MaxGCPauseMillis); | |
| 1389 } | |
| 1390 return true; | |
| 1391 } | |
| 1392 return false; | |
| 1393 } | |
| 1394 | |
|
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1395 void Arguments::set_use_compressed_oops() { |
|
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|
1396 #ifndef ZERO |
|
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|
1397 #ifdef _LP64 |
|
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1398 // MaxHeapSize is not set up properly at this point, but |
|
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1399 // the only value that can override MaxHeapSize if we are |
|
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1400 // to use UseCompressedOops is InitialHeapSize. |
|
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|
1401 size_t max_heap_size = MAX2(MaxHeapSize, InitialHeapSize); |
|
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1402 |
|
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1403 if (max_heap_size <= max_heap_for_compressed_oops()) { |
|
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|
1404 #if !defined(COMPILER1) || defined(TIERED) |
|
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1405 if (FLAG_IS_DEFAULT(UseCompressedOops)) { |
|
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|
1406 FLAG_SET_ERGO(bool, UseCompressedOops, true); |
|
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|
1407 } |
|
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|
1408 #endif |
|
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|
1409 #ifdef _WIN64 |
|
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1410 if (UseLargePages && UseCompressedOops) { |
|
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|
1411 // Cannot allocate guard pages for implicit checks in indexed addressing |
|
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1412 // mode, when large pages are specified on windows. |
|
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1413 // This flag could be switched ON if narrow oop base address is set to 0, |
|
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1414 // see code in Universe::initialize_heap(). |
|
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|
1415 Universe::set_narrow_oop_use_implicit_null_checks(false); |
|
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1416 } |
|
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|
1417 #endif // _WIN64 |
|
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1418 } else { |
|
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1419 if (UseCompressedOops && !FLAG_IS_DEFAULT(UseCompressedOops)) { |
|
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|
1420 warning("Max heap size too large for Compressed Oops"); |
|
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|
1421 FLAG_SET_DEFAULT(UseCompressedOops, false); |
|
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|
1422 FLAG_SET_DEFAULT(UseCompressedKlassPointers, false); |
|
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|
1423 } |
|
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|
1424 } |
|
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|
1425 #endif // _LP64 |
|
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|
1426 #endif // ZERO |
|
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|
1427 } |
|
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|
1428 |
| 0 | 1429 void Arguments::set_ergonomics_flags() { |
| 1430 | |
| 4946 | 1431 if (os::is_server_class_machine()) { |
| 0 | 1432 // If no other collector is requested explicitly, |
| 1433 // let the VM select the collector based on | |
| 1434 // machine class and automatic selection policy. | |
| 1435 if (!UseSerialGC && | |
| 1436 !UseConcMarkSweepGC && | |
|
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|
1437 !UseG1GC && |
| 0 | 1438 !UseParNewGC && |
| 1439 FLAG_IS_DEFAULT(UseParallelGC)) { | |
| 1440 if (should_auto_select_low_pause_collector()) { | |
| 1441 FLAG_SET_ERGO(bool, UseConcMarkSweepGC, true); | |
| 1442 } else { | |
| 1443 FLAG_SET_ERGO(bool, UseParallelGC, true); | |
| 1444 } | |
|
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1445 } |
|
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|
1446 // Shared spaces work fine with other GCs but causes bytecode rewriting |
|
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|
1447 // to be disabled, which hurts interpreter performance and decreases |
|
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|
1448 // server performance. On server class machines, keep the default |
|
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|
1449 // off unless it is asked for. Future work: either add bytecode rewriting |
|
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|
1450 // at link time, or rewrite bytecodes in non-shared methods. |
|
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|
1451 if (!DumpSharedSpaces && !RequireSharedSpaces) { |
| 0 | 1452 no_shared_spaces(); |
| 1453 } | |
| 1454 } | |
|
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1455 |
| 1010 | 1456 #ifndef ZERO |
|
113
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1457 #ifdef _LP64 |
|
8741
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|
1458 set_use_compressed_oops(); |
|
6725
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|
1459 // UseCompressedOops must be on for UseCompressedKlassPointers to be on. |
|
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|
1460 if (!UseCompressedOops) { |
|
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|
1461 if (UseCompressedKlassPointers) { |
|
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|
1462 warning("UseCompressedKlassPointers requires UseCompressedOops"); |
|
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|
1463 } |
|
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|
1464 FLAG_SET_DEFAULT(UseCompressedKlassPointers, false); |
|
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1465 } else { |
|
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|
1466 // Turn on UseCompressedKlassPointers too |
|
6848
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|
1467 if (FLAG_IS_DEFAULT(UseCompressedKlassPointers)) { |
|
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|
1468 FLAG_SET_ERGO(bool, UseCompressedKlassPointers, true); |
|
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|
1469 } |
|
6736
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|
1470 // Set the ClassMetaspaceSize to something that will not need to be |
|
11fb740ce98f
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|
1471 // expanded, since it cannot be expanded. |
|
7982
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|
1472 if (UseCompressedKlassPointers) { |
|
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|
1473 if (ClassMetaspaceSize > KlassEncodingMetaspaceMax) { |
|
10d5f25a7c67
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|
1474 warning("Class metaspace size is too large for UseCompressedKlassPointers"); |
|
10d5f25a7c67
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|
1475 FLAG_SET_DEFAULT(UseCompressedKlassPointers, false); |
|
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|
1476 } else if (FLAG_IS_DEFAULT(ClassMetaspaceSize)) { |
|
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|
1477 // 100,000 classes seems like a good size, so 100M assumes around 1K |
|
10d5f25a7c67
8000968: NPG: UseCompressedKlassPointers asserts with ObjectAlignmentInBytes for > 32G CompressedOops
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|
1478 // per klass. The vtable and oopMap is embedded so we don't have a fixed |
|
10d5f25a7c67
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|
1479 // size per klass. Eventually, this will be parameterized because it |
|
10d5f25a7c67
8000968: NPG: UseCompressedKlassPointers asserts with ObjectAlignmentInBytes for > 32G CompressedOops
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|
1480 // would also be useful to determine the optimal size of the |
|
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|
1481 // systemDictionary. |
|
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|
1482 FLAG_SET_ERGO(uintx, ClassMetaspaceSize, 100*M); |
|
10d5f25a7c67
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|
1483 } |
|
6736
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|
1484 } |
|
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1485 } |
|
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1486 // Also checks that certain machines are slower with compressed oops |
|
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|
1487 // in vm_version initialization code. |
|
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|
1488 #endif // _LP64 |
| 1010 | 1489 #endif // !ZERO |
| 0 | 1490 } |
| 1491 | |
| 1492 void Arguments::set_parallel_gc_flags() { | |
|
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|
1493 assert(UseParallelGC || UseParallelOldGC, "Error"); |
| 4879 | 1494 // Enable ParallelOld unless it was explicitly disabled (cmd line or rc file). |
| 1495 if (FLAG_IS_DEFAULT(UseParallelOldGC)) { | |
| 1496 FLAG_SET_DEFAULT(UseParallelOldGC, true); | |
| 0 | 1497 } |
| 4879 | 1498 FLAG_SET_DEFAULT(UseParallelGC, true); |
| 0 | 1499 |
| 1500 // If no heap maximum was requested explicitly, use some reasonable fraction | |
| 1501 // of the physical memory, up to a maximum of 1GB. | |
|
7471
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|
1502 FLAG_SET_DEFAULT(ParallelGCThreads, |
|
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|
1503 Abstract_VM_Version::parallel_worker_threads()); |
|
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|
1504 if (ParallelGCThreads == 0) { |
|
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|
1505 jio_fprintf(defaultStream::error_stream(), |
|
4c8bf5e55392
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|
1506 "The Parallel GC can not be combined with -XX:ParallelGCThreads=0\n"); |
|
4c8bf5e55392
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|
1507 vm_exit(1); |
|
4c8bf5e55392
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|
1508 } |
|
4c8bf5e55392
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|
1509 |
|
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|
1510 |
|
4c8bf5e55392
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|
1511 // If InitialSurvivorRatio or MinSurvivorRatio were not specified, but the |
|
4c8bf5e55392
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|
1512 // SurvivorRatio has been set, reset their default values to SurvivorRatio + |
|
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|
1513 // 2. By doing this we make SurvivorRatio also work for Parallel Scavenger. |
|
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|
1514 // See CR 6362902 for details. |
|
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|
1515 if (!FLAG_IS_DEFAULT(SurvivorRatio)) { |
|
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|
1516 if (FLAG_IS_DEFAULT(InitialSurvivorRatio)) { |
|
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|
1517 FLAG_SET_DEFAULT(InitialSurvivorRatio, SurvivorRatio + 2); |
| 0 | 1518 } |
|
7471
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|
1519 if (FLAG_IS_DEFAULT(MinSurvivorRatio)) { |
|
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|
1520 FLAG_SET_DEFAULT(MinSurvivorRatio, SurvivorRatio + 2); |
|
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|
1521 } |
|
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|
1522 } |
|
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|
1523 |
|
4c8bf5e55392
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|
1524 if (UseParallelOldGC) { |
|
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|
1525 // Par compact uses lower default values since they are treated as |
|
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|
1526 // minimums. These are different defaults because of the different |
|
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|
1527 // interpretation and are not ergonomically set. |
|
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|
1528 if (FLAG_IS_DEFAULT(MarkSweepDeadRatio)) { |
|
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|
1529 FLAG_SET_DEFAULT(MarkSweepDeadRatio, 1); |
| 0 | 1530 } |
| 1531 } | |
| 1532 } | |
| 1533 | |
|
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|
1534 void Arguments::set_g1_gc_flags() { |
|
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|
1535 assert(UseG1GC, "Error"); |
|
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|
1536 #ifdef COMPILER1 |
|
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|
1537 FastTLABRefill = false; |
|
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|
1538 #endif |
|
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|
1539 FLAG_SET_DEFAULT(ParallelGCThreads, |
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|
1540 Abstract_VM_Version::parallel_worker_threads()); |
|
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|
1541 if (ParallelGCThreads == 0) { |
|
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|
1542 FLAG_SET_DEFAULT(ParallelGCThreads, |
| 751 | 1543 Abstract_VM_Version::parallel_worker_threads()); |
|
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1544 } |
| 751 | 1545 |
|
7397
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|
1546 // MarkStackSize will be set (if it hasn't been set by the user) |
|
442f942757c0
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|
1547 // when concurrent marking is initialized. |
|
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|
1548 // Its value will be based upon the number of parallel marking threads. |
|
442f942757c0
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|
1549 // But we do set the maximum mark stack size here. |
|
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|
1550 if (FLAG_IS_DEFAULT(MarkStackSizeMax)) { |
|
442f942757c0
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|
1551 FLAG_SET_DEFAULT(MarkStackSizeMax, 128 * TASKQUEUE_SIZE); |
| 1284 | 1552 } |
| 1356 | 1553 |
| 1554 if (FLAG_IS_DEFAULT(GCTimeRatio) || GCTimeRatio == 0) { | |
| 1555 // In G1, we want the default GC overhead goal to be higher than | |
| 1556 // say in PS. So we set it here to 10%. Otherwise the heap might | |
| 1557 // be expanded more aggressively than we would like it to. In | |
| 1558 // fact, even 10% seems to not be high enough in some cases | |
| 1559 // (especially small GC stress tests that the main thing they do | |
| 1560 // is allocation). We might consider increase it further. | |
| 1561 FLAG_SET_DEFAULT(GCTimeRatio, 9); | |
| 1562 } | |
|
7397
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|
1563 |
|
442f942757c0
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|
1564 if (PrintGCDetails && Verbose) { |
|
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|
1565 tty->print_cr("MarkStackSize: %uk MarkStackSizeMax: %uk", |
|
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|
1566 MarkStackSize / K, MarkStackSizeMax / K); |
|
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|
1567 tty->print_cr("ConcGCThreads: %u", ConcGCThreads); |
|
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|
1568 } |
|
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|
1569 } |
|
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|
1570 |
|
8854
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|
1571 julong Arguments::limit_by_allocatable_memory(julong limit) { |
|
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|
1572 julong max_allocatable; |
|
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|
1573 julong result = limit; |
|
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|
1574 if (os::has_allocatable_memory_limit(&max_allocatable)) { |
|
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|
1575 result = MIN2(result, max_allocatable / MaxVirtMemFraction); |
|
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|
1576 } |
|
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|
1577 return result; |
|
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|
1578 } |
|
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|
1579 |
|
10990
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|
1580 void Arguments::set_heap_base_min_address() { |
|
0abfeed51c9e
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|
1581 if (FLAG_IS_DEFAULT(HeapBaseMinAddress) && UseG1GC && HeapBaseMinAddress < 1*G) { |
|
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|
1582 // By default HeapBaseMinAddress is 2G on all platforms except Solaris x86. |
|
0abfeed51c9e
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|
1583 // G1 currently needs a lot of C-heap, so on Solaris we have to give G1 |
|
0abfeed51c9e
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|
1584 // some extra space for the C-heap compared to other collectors. |
|
11066
c92b74c62d97
8017483: G1 tests fail with native OOME on Solaris x86 after HeapBaseMinAddress has been increased
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diff
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|
1585 // Use FLAG_SET_DEFAULT here rather than FLAG_SET_ERGO to make sure that |
|
c92b74c62d97
8017483: G1 tests fail with native OOME on Solaris x86 after HeapBaseMinAddress has been increased
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11006
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|
1586 // code that checks for default values work correctly. |
|
c92b74c62d97
8017483: G1 tests fail with native OOME on Solaris x86 after HeapBaseMinAddress has been increased
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|
1587 FLAG_SET_DEFAULT(HeapBaseMinAddress, 1*G); |
|
10990
0abfeed51c9e
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|
1588 } |
|
0abfeed51c9e
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|
1589 } |
|
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|
1590 |
| 1064 | 1591 void Arguments::set_heap_size() { |
| 1592 if (!FLAG_IS_DEFAULT(DefaultMaxRAMFraction)) { | |
| 1593 // Deprecated flag | |
| 1594 FLAG_SET_CMDLINE(uintx, MaxRAMFraction, DefaultMaxRAMFraction); | |
| 1595 } | |
| 1596 | |
| 1597 const julong phys_mem = | |
| 1598 FLAG_IS_DEFAULT(MaxRAM) ? MIN2(os::physical_memory(), (julong)MaxRAM) | |
| 1599 : (julong)MaxRAM; | |
| 1600 | |
| 1601 // If the maximum heap size has not been set with -Xmx, | |
| 1602 // then set it as fraction of the size of physical memory, | |
| 1603 // respecting the maximum and minimum sizes of the heap. | |
|
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|
1604 if (FLAG_IS_DEFAULT(MaxHeapSize)) { |
| 1064 | 1605 julong reasonable_max = phys_mem / MaxRAMFraction; |
| 1606 | |
| 1607 if (phys_mem <= MaxHeapSize * MinRAMFraction) { | |
| 1608 // Small physical memory, so use a minimum fraction of it for the heap | |
| 1609 reasonable_max = phys_mem / MinRAMFraction; | |
| 1610 } else { | |
| 1611 // Not-small physical memory, so require a heap at least | |
| 1612 // as large as MaxHeapSize | |
| 1613 reasonable_max = MAX2(reasonable_max, (julong)MaxHeapSize); | |
| 1614 } | |
| 1615 if (!FLAG_IS_DEFAULT(ErgoHeapSizeLimit) && ErgoHeapSizeLimit != 0) { | |
| 1616 // Limit the heap size to ErgoHeapSizeLimit | |
| 1617 reasonable_max = MIN2(reasonable_max, (julong)ErgoHeapSizeLimit); | |
|
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|
1618 } |
| 1064 | 1619 if (UseCompressedOops) { |
| 1620 // Limit the heap size to the maximum possible when using compressed oops | |
| 1963 | 1621 julong max_coop_heap = (julong)max_heap_for_compressed_oops(); |
| 1622 if (HeapBaseMinAddress + MaxHeapSize < max_coop_heap) { | |
| 1623 // Heap should be above HeapBaseMinAddress to get zero based compressed oops | |
| 1624 // but it should be not less than default MaxHeapSize. | |
| 1625 max_coop_heap -= HeapBaseMinAddress; | |
| 1626 } | |
| 1627 reasonable_max = MIN2(reasonable_max, max_coop_heap); | |
| 1064 | 1628 } |
|
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|
1629 reasonable_max = limit_by_allocatable_memory(reasonable_max); |
| 1064 | 1630 |
| 1631 if (!FLAG_IS_DEFAULT(InitialHeapSize)) { | |
| 1632 // An initial heap size was specified on the command line, | |
| 1633 // so be sure that the maximum size is consistent. Done | |
|
8854
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|
1634 // after call to limit_by_allocatable_memory because that |
| 1064 | 1635 // method might reduce the allocation size. |
| 1636 reasonable_max = MAX2(reasonable_max, (julong)InitialHeapSize); | |
| 1637 } | |
| 1638 | |
|
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|
1639 if (PrintGCDetails && Verbose) { |
|
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|
1640 // Cannot use gclog_or_tty yet. |
| 1064 | 1641 tty->print_cr(" Maximum heap size " SIZE_FORMAT, reasonable_max); |
|
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|
1642 } |
| 1064 | 1643 FLAG_SET_ERGO(uintx, MaxHeapSize, (uintx)reasonable_max); |
| 1644 } | |
| 1645 | |
|
10241
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|
1646 // If the minimum or initial heap_size have not been set or requested to be set |
|
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|
1647 // ergonomically, set them accordingly. |
|
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|
1648 if (InitialHeapSize == 0 || min_heap_size() == 0) { |
|
1074
84cb6f20afb3
6900899: vm fails to start when -Xmx value is less than OldSize + NewSize
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|
1649 julong reasonable_minimum = (julong)(OldSize + NewSize); |
|
84cb6f20afb3
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|
1650 |
|
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|
1651 reasonable_minimum = MIN2(reasonable_minimum, (julong)MaxHeapSize); |
|
84cb6f20afb3
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|
1652 |
|
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|
1653 reasonable_minimum = limit_by_allocatable_memory(reasonable_minimum); |
|
1074
84cb6f20afb3
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|
1654 |
|
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|
1655 if (InitialHeapSize == 0) { |
|
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|
1656 julong reasonable_initial = phys_mem / InitialRAMFraction; |
|
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|
1657 |
|
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|
1658 reasonable_initial = MAX3(reasonable_initial, reasonable_minimum, (julong)min_heap_size()); |
|
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|
1659 reasonable_initial = MIN2(reasonable_initial, (julong)MaxHeapSize); |
|
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|
1660 |
|
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|
1661 reasonable_initial = limit_by_allocatable_memory(reasonable_initial); |
|
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|
1662 |
|
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|
1663 if (PrintGCDetails && Verbose) { |
|
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|
1664 // Cannot use gclog_or_tty yet. |
|
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|
1665 tty->print_cr(" Initial heap size " SIZE_FORMAT, (uintx)reasonable_initial); |
|
d17700c82d7d
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|
1666 } |
|
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|
1667 FLAG_SET_ERGO(uintx, InitialHeapSize, (uintx)reasonable_initial); |
|
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|
1668 } |
|
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|
1669 // If the minimum heap size has not been set (via -Xms), |
|
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|
1670 // synchronize with InitialHeapSize to avoid errors with the default value. |
|
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|
1671 if (min_heap_size() == 0) { |
|
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|
1672 set_min_heap_size(MIN2((uintx)reasonable_minimum, InitialHeapSize)); |
|
d17700c82d7d
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|
1673 if (PrintGCDetails && Verbose) { |
|
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|
1674 // Cannot use gclog_or_tty yet. |
|
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|
1675 tty->print_cr(" Minimum heap size " SIZE_FORMAT, min_heap_size()); |
|
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|
1676 } |
|
d17700c82d7d
8006088: Incompatible heap size flags accepted by VM
tschatzl
parents:
10240
diff
changeset
|
1677 } |
|
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
1678 } |
|
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
1679 } |
|
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
1680 |
| 0 | 1681 // This must be called after ergonomics because we want bytecode rewriting |
| 1682 // if the server compiler is used, or if UseSharedSpaces is disabled. | |
| 1683 void Arguments::set_bytecode_flags() { | |
| 1684 // Better not attempt to store into a read-only space. | |
| 1685 if (UseSharedSpaces) { | |
| 1686 FLAG_SET_DEFAULT(RewriteBytecodes, false); | |
| 1687 FLAG_SET_DEFAULT(RewriteFrequentPairs, false); | |
| 1688 } | |
| 1689 | |
| 1690 if (!RewriteBytecodes) { | |
| 1691 FLAG_SET_DEFAULT(RewriteFrequentPairs, false); | |
| 1692 } | |
| 1693 } | |
| 1694 | |
| 1695 // Aggressive optimization flags -XX:+AggressiveOpts | |
| 1696 void Arguments::set_aggressive_opts_flags() { | |
|
17
ff5961f4c095
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
never
parents:
0
diff
changeset
|
1697 #ifdef COMPILER2 |
| 10278 | 1698 if (AggressiveUnboxing) { |
| 1699 if (FLAG_IS_DEFAULT(EliminateAutoBox)) { | |
| 1700 FLAG_SET_DEFAULT(EliminateAutoBox, true); | |
| 1701 } else if (!EliminateAutoBox) { | |
| 1702 // warning("AggressiveUnboxing is disabled because EliminateAutoBox is disabled"); | |
| 1703 AggressiveUnboxing = false; | |
| 1704 } | |
| 1705 if (FLAG_IS_DEFAULT(DoEscapeAnalysis)) { | |
| 1706 FLAG_SET_DEFAULT(DoEscapeAnalysis, true); | |
| 1707 } else if (!DoEscapeAnalysis) { | |
| 1708 // warning("AggressiveUnboxing is disabled because DoEscapeAnalysis is disabled"); | |
| 1709 AggressiveUnboxing = false; | |
| 1710 } | |
| 1711 } | |
|
17
ff5961f4c095
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
never
parents:
0
diff
changeset
|
1712 if (AggressiveOpts || !FLAG_IS_DEFAULT(AutoBoxCacheMax)) { |
|
ff5961f4c095
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
never
parents:
0
diff
changeset
|
1713 if (FLAG_IS_DEFAULT(EliminateAutoBox)) { |
|
ff5961f4c095
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
never
parents:
0
diff
changeset
|
1714 FLAG_SET_DEFAULT(EliminateAutoBox, true); |
|
ff5961f4c095
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
never
parents:
0
diff
changeset
|
1715 } |
|
ff5961f4c095
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
never
parents:
0
diff
changeset
|
1716 if (FLAG_IS_DEFAULT(AutoBoxCacheMax)) { |
|
ff5961f4c095
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
never
parents:
0
diff
changeset
|
1717 FLAG_SET_DEFAULT(AutoBoxCacheMax, 20000); |
|
ff5961f4c095
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
never
parents:
0
diff
changeset
|
1718 } |
|
ff5961f4c095
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
never
parents:
0
diff
changeset
|
1719 |
|
ff5961f4c095
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
never
parents:
0
diff
changeset
|
1720 // Feed the cache size setting into the JDK |
|
ff5961f4c095
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
never
parents:
0
diff
changeset
|
1721 char buffer[1024]; |
|
513
2328d1d3f8cf
6781583: Hotspot build fails on linux 64 bit platform with gcc 4.3.2
xlu
parents:
489
diff
changeset
|
1722 sprintf(buffer, "java.lang.Integer.IntegerCache.high=" INTX_FORMAT, AutoBoxCacheMax); |
|
17
ff5961f4c095
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
never
parents:
0
diff
changeset
|
1723 add_property(buffer); |
|
ff5961f4c095
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
never
parents:
0
diff
changeset
|
1724 } |
|
416
b6cfd754403d
6649622: HotSpot Biased locking needs tuning on latest CPUs
never
parents:
363
diff
changeset
|
1725 if (AggressiveOpts && FLAG_IS_DEFAULT(BiasedLockingStartupDelay)) { |
|
b6cfd754403d
6649622: HotSpot Biased locking needs tuning on latest CPUs
never
parents:
363
diff
changeset
|
1726 FLAG_SET_DEFAULT(BiasedLockingStartupDelay, 500); |
|
b6cfd754403d
6649622: HotSpot Biased locking needs tuning on latest CPUs
never
parents:
363
diff
changeset
|
1727 } |
|
17
ff5961f4c095
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
never
parents:
0
diff
changeset
|
1728 #endif |
|
ff5961f4c095
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
never
parents:
0
diff
changeset
|
1729 |
| 0 | 1730 if (AggressiveOpts) { |
| 61 | 1731 // Sample flag setting code |
| 1732 // if (FLAG_IS_DEFAULT(EliminateZeroing)) { | |
| 1733 // FLAG_SET_DEFAULT(EliminateZeroing, true); | |
| 1734 // } | |
| 0 | 1735 } |
| 1736 } | |
| 1737 | |
| 1738 //=========================================================================================================== | |
| 1739 // Parsing of java.compiler property | |
| 1740 | |
| 1741 void Arguments::process_java_compiler_argument(char* arg) { | |
| 1742 // For backwards compatibility, Djava.compiler=NONE or "" | |
| 1743 // causes us to switch to -Xint mode UNLESS -Xdebug | |
| 1744 // is also specified. | |
| 1745 if (strlen(arg) == 0 || strcasecmp(arg, "NONE") == 0) { | |
| 1746 set_java_compiler(true); // "-Djava.compiler[=...]" most recently seen. | |
| 1747 } | |
| 1748 } | |
| 1749 | |
| 1750 void Arguments::process_java_launcher_argument(const char* launcher, void* extra_info) { | |
| 1751 _sun_java_launcher = strdup(launcher); | |
|
2302
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
1752 if (strcmp("gamma", _sun_java_launcher) == 0) { |
|
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
1753 _created_by_gamma_launcher = true; |
|
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
1754 } |
| 0 | 1755 } |
| 1756 | |
| 1757 bool Arguments::created_by_java_launcher() { | |
| 1758 assert(_sun_java_launcher != NULL, "property must have value"); | |
| 1759 return strcmp(DEFAULT_JAVA_LAUNCHER, _sun_java_launcher) != 0; | |
| 1760 } | |
| 1761 | |
|
2302
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
1762 bool Arguments::created_by_gamma_launcher() { |
|
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
1763 return _created_by_gamma_launcher; |
|
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
1764 } |
|
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
1765 |
| 0 | 1766 //=========================================================================================================== |
| 1767 // Parsing of main arguments | |
| 1768 | |
|
1244
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
1769 bool Arguments::verify_interval(uintx val, uintx min, |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
1770 uintx max, const char* name) { |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
1771 // Returns true iff value is in the inclusive interval [min..max] |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
1772 // false, otherwise. |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
1773 if (val >= min && val <= max) { |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
1774 return true; |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
1775 } |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
1776 jio_fprintf(defaultStream::error_stream(), |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
1777 "%s of " UINTX_FORMAT " is invalid; must be between " UINTX_FORMAT |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
1778 " and " UINTX_FORMAT "\n", |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
1779 name, val, min, max); |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
1780 return false; |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
1781 } |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
1782 |
|
1744
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
1783 bool Arguments::verify_min_value(intx val, intx min, const char* name) { |
|
2366
1fb790245268
6820066: Check that -XX:ParGCArrayScanChunk has a value larger than zero.
jwilhelm
parents:
2362
diff
changeset
|
1784 // Returns true if given value is at least specified min threshold |
|
1744
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
1785 // false, otherwise. |
|
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
1786 if (val >= min ) { |
|
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
1787 return true; |
|
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
1788 } |
|
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
1789 jio_fprintf(defaultStream::error_stream(), |
|
2366
1fb790245268
6820066: Check that -XX:ParGCArrayScanChunk has a value larger than zero.
jwilhelm
parents:
2362
diff
changeset
|
1790 "%s of " INTX_FORMAT " is invalid; must be at least " INTX_FORMAT "\n", |
|
1744
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
1791 name, val, min); |
|
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
1792 return false; |
|
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
1793 } |
|
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
1794 |
| 0 | 1795 bool Arguments::verify_percentage(uintx value, const char* name) { |
| 1796 if (value <= 100) { | |
| 1797 return true; | |
| 1798 } | |
| 1799 jio_fprintf(defaultStream::error_stream(), | |
| 1800 "%s of " UINTX_FORMAT " is invalid; must be between 0 and 100\n", | |
| 1801 name, value); | |
| 1802 return false; | |
| 1803 } | |
| 1804 | |
|
9060
cc32ccaaf47f
8003310: Enable -Wunused-function when compiling with gcc
mikael
parents:
8847
diff
changeset
|
1805 #if !INCLUDE_ALL_GCS |
|
cc32ccaaf47f
8003310: Enable -Wunused-function when compiling with gcc
mikael
parents:
8847
diff
changeset
|
1806 #ifdef ASSERT |
| 0 | 1807 static bool verify_serial_gc_flags() { |
| 1808 return (UseSerialGC && | |
|
945
68ef3fdcdb76
6872136: CMS: confusing message may be printed when a collector is switched off implicitly
ysr
parents:
932
diff
changeset
|
1809 !(UseParNewGC || (UseConcMarkSweepGC || CMSIncrementalMode) || UseG1GC || |
|
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
1810 UseParallelGC || UseParallelOldGC)); |
| 0 | 1811 } |
|
9060
cc32ccaaf47f
8003310: Enable -Wunused-function when compiling with gcc
mikael
parents:
8847
diff
changeset
|
1812 #endif // ASSERT |
|
cc32ccaaf47f
8003310: Enable -Wunused-function when compiling with gcc
mikael
parents:
8847
diff
changeset
|
1813 #endif // INCLUDE_ALL_GCS |
| 0 | 1814 |
|
3767
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1815 // check if do gclog rotation |
|
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1816 // +UseGCLogFileRotation is a must, |
|
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1817 // no gc log rotation when log file not supplied or |
|
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1818 // NumberOfGCLogFiles is 0, or GCLogFileSize is 0 |
|
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1819 void check_gclog_consistency() { |
|
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1820 if (UseGCLogFileRotation) { |
|
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1821 if ((Arguments::gc_log_filename() == NULL) || |
|
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1822 (NumberOfGCLogFiles == 0) || |
|
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1823 (GCLogFileSize == 0)) { |
|
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1824 jio_fprintf(defaultStream::output_stream(), |
|
3769
ef2d1b8f2dd4
7051430: CMS: ongoing CMS cycle should terminate abruptly to allow prompt JVM termination at exit
ysr
parents:
3767
diff
changeset
|
1825 "To enable GC log rotation, use -Xloggc:<filename> -XX:+UseGCLogFileRotation -XX:NumberOfGCLogFiles=<num_of_files> -XX:GCLogFileSize=<num_of_size>\n" |
|
3767
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1826 "where num_of_file > 0 and num_of_size > 0\n" |
|
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1827 "GC log rotation is turned off\n"); |
|
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1828 UseGCLogFileRotation = false; |
|
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1829 } |
|
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1830 } |
|
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1831 |
|
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1832 if (UseGCLogFileRotation && GCLogFileSize < 8*K) { |
|
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1833 FLAG_SET_CMDLINE(uintx, GCLogFileSize, 8*K); |
|
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1834 jio_fprintf(defaultStream::output_stream(), |
|
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1835 "GCLogFileSize changed to minimum 8K\n"); |
|
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1836 } |
|
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1837 } |
|
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1838 |
|
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1839 // Check consistency of GC selection |
|
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1840 bool Arguments::check_gc_consistency() { |
|
3767
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1841 check_gclog_consistency(); |
|
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1842 bool status = true; |
|
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1843 // Ensure that the user has not selected conflicting sets |
|
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1844 // of collectors. [Note: this check is merely a user convenience; |
|
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1845 // collectors over-ride each other so that only a non-conflicting |
|
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1846 // set is selected; however what the user gets is not what they |
|
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1847 // may have expected from the combination they asked for. It's |
|
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1848 // better to reduce user confusion by not allowing them to |
|
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
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1849 // select conflicting combinations. |
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1850 uint i = 0; |
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1851 if (UseSerialGC) i++; |
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1852 if (UseConcMarkSweepGC || UseParNewGC) i++; |
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1853 if (UseParallelGC || UseParallelOldGC) i++; |
|
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1854 if (UseG1GC) i++; |
|
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1855 if (i > 1) { |
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1856 jio_fprintf(defaultStream::error_stream(), |
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1857 "Conflicting collector combinations in option list; " |
|
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1858 "please refer to the release notes for the combinations " |
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1859 "allowed\n"); |
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1860 status = false; |
|
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1861 } else if (ReservedCodeCacheSize > 2*G) { |
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1862 // Code cache size larger than MAXINT is not supported. |
|
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1863 jio_fprintf(defaultStream::error_stream(), |
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1864 "Invalid ReservedCodeCacheSize=%dM. Must be at most %uM.\n", ReservedCodeCacheSize/M, |
|
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1865 (2*G)/M); |
|
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1866 status = false; |
|
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1867 } |
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1868 return status; |
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1869 } |
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1870 |
|
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1871 void Arguments::check_deprecated_gcs() { |
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1872 if (UseConcMarkSweepGC && !UseParNewGC) { |
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1873 warning("Using the DefNew young collector with the CMS collector is deprecated " |
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1874 "and will likely be removed in a future release"); |
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1875 } |
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1876 |
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1877 if (UseParNewGC && !UseConcMarkSweepGC) { |
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1878 // !UseConcMarkSweepGC means that we are using serial old gc. Unfortunately we don't |
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1879 // set up UseSerialGC properly, so that can't be used in the check here. |
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1880 warning("Using the ParNew young collector with the Serial old collector is deprecated " |
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1881 "and will likely be removed in a future release"); |
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1882 } |
| 7453 | 1883 |
| 1884 if (CMSIncrementalMode) { | |
| 1885 warning("Using incremental CMS is deprecated and will likely be removed in a future release"); | |
| 1886 } | |
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1887 } |
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1888 |
| 8734 | 1889 void Arguments::check_deprecated_gc_flags() { |
| 1890 if (FLAG_IS_CMDLINE(MaxGCMinorPauseMillis)) { | |
| 1891 warning("Using MaxGCMinorPauseMillis as minor pause goal is deprecated" | |
| 1892 "and will likely be removed in future release"); | |
| 1893 } | |
| 1894 } | |
| 1895 | |
|
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1896 // Check stack pages settings |
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1897 bool Arguments::check_stack_pages() |
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1898 { |
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1899 bool status = true; |
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1900 status = status && verify_min_value(StackYellowPages, 1, "StackYellowPages"); |
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1901 status = status && verify_min_value(StackRedPages, 1, "StackRedPages"); |
|
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1902 // greater stack shadow pages can't generate instruction to bang stack |
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1903 status = status && verify_interval(StackShadowPages, 1, 50, "StackShadowPages"); |
|
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1904 return status; |
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1905 } |
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1906 |
| 0 | 1907 // Check the consistency of vm_init_args |
| 1908 bool Arguments::check_vm_args_consistency() { | |
| 1909 // Method for adding checks for flag consistency. | |
| 1910 // The intent is to warn the user of all possible conflicts, | |
| 1911 // before returning an error. | |
| 1912 // Note: Needs platform-dependent factoring. | |
| 1913 bool status = true; | |
| 1914 | |
| 1915 // Allow both -XX:-UseStackBanging and -XX:-UseBoundThreads in non-product | |
| 1916 // builds so the cost of stack banging can be measured. | |
| 1917 #if (defined(PRODUCT) && defined(SOLARIS)) | |
| 1918 if (!UseBoundThreads && !UseStackBanging) { | |
| 1919 jio_fprintf(defaultStream::error_stream(), | |
| 1920 "-UseStackBanging conflicts with -UseBoundThreads\n"); | |
| 1921 | |
| 1922 status = false; | |
| 1923 } | |
| 1924 #endif | |
| 1925 | |
| 1926 if (TLABRefillWasteFraction == 0) { | |
| 1927 jio_fprintf(defaultStream::error_stream(), | |
| 1928 "TLABRefillWasteFraction should be a denominator, " | |
| 1929 "not " SIZE_FORMAT "\n", | |
| 1930 TLABRefillWasteFraction); | |
| 1931 status = false; | |
| 1932 } | |
| 1933 | |
|
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1934 status = status && verify_interval(AdaptiveSizePolicyWeight, 0, 100, |
| 0 | 1935 "AdaptiveSizePolicyWeight"); |
|
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1936 status = status && verify_percentage(ThresholdTolerance, "ThresholdTolerance"); |
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1937 status = status && verify_percentage(MinHeapFreeRatio, "MinHeapFreeRatio"); |
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1938 status = status && verify_percentage(MaxHeapFreeRatio, "MaxHeapFreeRatio"); |
| 0 | 1939 |
|
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1940 // Divide by bucket size to prevent a large size from causing rollover when |
|
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1941 // calculating amount of memory needed to be allocated for the String table. |
|
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1942 status = status && verify_interval(StringTableSize, minimumStringTableSize, |
|
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1943 (max_uintx / StringTable::bucket_size()), "StringTable size"); |
|
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1944 |
| 0 | 1945 if (MinHeapFreeRatio > MaxHeapFreeRatio) { |
| 1946 jio_fprintf(defaultStream::error_stream(), | |
| 1947 "MinHeapFreeRatio (" UINTX_FORMAT ") must be less than or " | |
| 1948 "equal to MaxHeapFreeRatio (" UINTX_FORMAT ")\n", | |
| 1949 MinHeapFreeRatio, MaxHeapFreeRatio); | |
| 1950 status = false; | |
| 1951 } | |
| 1952 // Keeping the heap 100% free is hard ;-) so limit it to 99%. | |
| 1953 MinHeapFreeRatio = MIN2(MinHeapFreeRatio, (uintx) 99); | |
| 1954 | |
|
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1955 // Min/MaxMetaspaceFreeRatio |
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1956 status = status && verify_percentage(MinMetaspaceFreeRatio, "MinMetaspaceFreeRatio"); |
|
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1957 status = status && verify_percentage(MaxMetaspaceFreeRatio, "MaxMetaspaceFreeRatio"); |
|
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1958 |
|
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1959 if (MinMetaspaceFreeRatio > MaxMetaspaceFreeRatio) { |
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1960 jio_fprintf(defaultStream::error_stream(), |
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1961 "MinMetaspaceFreeRatio (%s" UINTX_FORMAT ") must be less than or " |
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1962 "equal to MaxMetaspaceFreeRatio (%s" UINTX_FORMAT ")\n", |
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1963 FLAG_IS_DEFAULT(MinMetaspaceFreeRatio) ? "Default: " : "", |
|
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1964 MinMetaspaceFreeRatio, |
|
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1965 FLAG_IS_DEFAULT(MaxMetaspaceFreeRatio) ? "Default: " : "", |
|
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1966 MaxMetaspaceFreeRatio); |
|
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1967 status = false; |
|
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1968 } |
|
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1969 |
|
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1970 // Trying to keep 100% free is not practical |
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1971 MinMetaspaceFreeRatio = MIN2(MinMetaspaceFreeRatio, (uintx) 99); |
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1972 |
| 0 | 1973 if (FullGCALot && FLAG_IS_DEFAULT(MarkSweepAlwaysCompactCount)) { |
| 1974 MarkSweepAlwaysCompactCount = 1; // Move objects every gc. | |
| 1975 } | |
| 1976 | |
|
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1977 if (UseParallelOldGC && ParallelOldGCSplitALot) { |
|
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1978 // Settings to encourage splitting. |
|
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1979 if (!FLAG_IS_CMDLINE(NewRatio)) { |
| 8035 | 1980 FLAG_SET_CMDLINE(uintx, NewRatio, 2); |
|
483
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1981 } |
|
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1982 if (!FLAG_IS_CMDLINE(ScavengeBeforeFullGC)) { |
|
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1983 FLAG_SET_CMDLINE(bool, ScavengeBeforeFullGC, false); |
|
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1984 } |
|
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1985 } |
|
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|
1986 |
|
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1987 status = status && verify_percentage(GCHeapFreeLimit, "GCHeapFreeLimit"); |
|
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1988 status = status && verify_percentage(GCTimeLimit, "GCTimeLimit"); |
| 0 | 1989 if (GCTimeLimit == 100) { |
| 1990 // Turn off gc-overhead-limit-exceeded checks | |
| 1991 FLAG_SET_DEFAULT(UseGCOverheadLimit, false); | |
| 1992 } | |
| 1993 | |
|
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1994 status = status && check_gc_consistency(); |
|
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1995 status = status && check_stack_pages(); |
| 0 | 1996 |
| 1997 if (_has_alloc_profile) { | |
| 1998 if (UseParallelGC || UseParallelOldGC) { | |
| 1999 jio_fprintf(defaultStream::error_stream(), | |
| 2000 "error: invalid argument combination.\n" | |
| 2001 "Allocation profiling (-Xaprof) cannot be used together with " | |
| 2002 "Parallel GC (-XX:+UseParallelGC or -XX:+UseParallelOldGC).\n"); | |
| 2003 status = false; | |
| 2004 } | |
| 2005 if (UseConcMarkSweepGC) { | |
| 2006 jio_fprintf(defaultStream::error_stream(), | |
| 2007 "error: invalid argument combination.\n" | |
| 2008 "Allocation profiling (-Xaprof) cannot be used together with " | |
| 2009 "the CMS collector (-XX:+UseConcMarkSweepGC).\n"); | |
| 2010 status = false; | |
| 2011 } | |
| 2012 } | |
| 2013 | |
| 2014 if (CMSIncrementalMode) { | |
| 2015 if (!UseConcMarkSweepGC) { | |
| 2016 jio_fprintf(defaultStream::error_stream(), | |
| 2017 "error: invalid argument combination.\n" | |
| 2018 "The CMS collector (-XX:+UseConcMarkSweepGC) must be " | |
| 2019 "selected in order\nto use CMSIncrementalMode.\n"); | |
| 2020 status = false; | |
| 2021 } else { | |
|
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2022 status = status && verify_percentage(CMSIncrementalDutyCycle, |
| 0 | 2023 "CMSIncrementalDutyCycle"); |
|
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2024 status = status && verify_percentage(CMSIncrementalDutyCycleMin, |
| 0 | 2025 "CMSIncrementalDutyCycleMin"); |
|
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2026 status = status && verify_percentage(CMSIncrementalSafetyFactor, |
| 0 | 2027 "CMSIncrementalSafetyFactor"); |
|
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2028 status = status && verify_percentage(CMSIncrementalOffset, |
| 0 | 2029 "CMSIncrementalOffset"); |
|
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2030 status = status && verify_percentage(CMSExpAvgFactor, |
| 0 | 2031 "CMSExpAvgFactor"); |
| 2032 // If it was not set on the command line, set | |
| 2033 // CMSInitiatingOccupancyFraction to 1 so icms can initiate cycles early. | |
| 2034 if (CMSInitiatingOccupancyFraction < 0) { | |
| 2035 FLAG_SET_DEFAULT(CMSInitiatingOccupancyFraction, 1); | |
| 2036 } | |
| 2037 } | |
| 2038 } | |
| 2039 | |
| 2040 // CMS space iteration, which FLSVerifyAllHeapreferences entails, | |
| 2041 // insists that we hold the requisite locks so that the iteration is | |
| 2042 // MT-safe. For the verification at start-up and shut-down, we don't | |
| 2043 // yet have a good way of acquiring and releasing these locks, | |
| 2044 // which are not visible at the CollectedHeap level. We want to | |
| 2045 // be able to acquire these locks and then do the iteration rather | |
| 2046 // than just disable the lock verification. This will be fixed under | |
| 2047 // bug 4788986. | |
| 2048 if (UseConcMarkSweepGC && FLSVerifyAllHeapReferences) { | |
|
9071
68fe50d4f1d5
8011343: Add new flag for verifying the heap during startup
johnc
parents:
8859
diff
changeset
|
2049 if (VerifyDuringStartup) { |
| 0 | 2050 warning("Heap verification at start-up disabled " |
| 2051 "(due to current incompatibility with FLSVerifyAllHeapReferences)"); | |
|
9071
68fe50d4f1d5
8011343: Add new flag for verifying the heap during startup
johnc
parents:
8859
diff
changeset
|
2052 VerifyDuringStartup = false; // Disable verification at start-up |
| 0 | 2053 } |
|
9071
68fe50d4f1d5
8011343: Add new flag for verifying the heap during startup
johnc
parents:
8859
diff
changeset
|
2054 |
| 0 | 2055 if (VerifyBeforeExit) { |
| 2056 warning("Heap verification at shutdown disabled " | |
| 2057 "(due to current incompatibility with FLSVerifyAllHeapReferences)"); | |
| 2058 VerifyBeforeExit = false; // Disable verification at shutdown | |
| 2059 } | |
| 2060 } | |
| 2061 | |
| 2062 // Note: only executed in non-PRODUCT mode | |
| 2063 if (!UseAsyncConcMarkSweepGC && | |
| 2064 (ExplicitGCInvokesConcurrent || | |
| 2065 ExplicitGCInvokesConcurrentAndUnloadsClasses)) { | |
| 2066 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
|
2067 "error: +ExplicitGCInvokesConcurrent[AndUnloadsClasses] conflicts" |
| 0 | 2068 " with -UseAsyncConcMarkSweepGC"); |
| 2069 status = false; | |
| 2070 } | |
| 2071 | |
|
2366
1fb790245268
6820066: Check that -XX:ParGCArrayScanChunk has a value larger than zero.
jwilhelm
parents:
2362
diff
changeset
|
2072 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
|
2073 |
|
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
2074 #if INCLUDE_ALL_GCS |
|
1283
1c72304f1885
6928073: G1: use existing command line parameters for marking cycle initiation
tonyp
parents:
1257
diff
changeset
|
2075 if (UseG1GC) { |
|
1c72304f1885
6928073: G1: use existing command line parameters for marking cycle initiation
tonyp
parents:
1257
diff
changeset
|
2076 status = status && verify_percentage(InitiatingHeapOccupancyPercent, |
|
1c72304f1885
6928073: G1: use existing command line parameters for marking cycle initiation
tonyp
parents:
1257
diff
changeset
|
2077 "InitiatingHeapOccupancyPercent"); |
|
2174
234761c55641
6608385: G1: need to support parallel reference processing
johnc
parents:
2129
diff
changeset
|
2078 status = status && verify_min_value(G1RefProcDrainInterval, 1, |
|
234761c55641
6608385: G1: need to support parallel reference processing
johnc
parents:
2129
diff
changeset
|
2079 "G1RefProcDrainInterval"); |
|
234761c55641
6608385: G1: need to support parallel reference processing
johnc
parents:
2129
diff
changeset
|
2080 status = status && verify_min_value((intx)G1ConcMarkStepDurationMillis, 1, |
|
234761c55641
6608385: G1: need to support parallel reference processing
johnc
parents:
2129
diff
changeset
|
2081 "G1ConcMarkStepDurationMillis"); |
|
10246
194f52aa2f23
7176479: G1: JVM crashes on T5-8 system with 1.5 TB heap
johnc
parents:
10241
diff
changeset
|
2082 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
|
2083 "G1ConcRSHotCardLimit"); |
|
194f52aa2f23
7176479: G1: JVM crashes on T5-8 system with 1.5 TB heap
johnc
parents:
10241
diff
changeset
|
2084 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
|
2085 "G1ConcRSLogCacheSize"); |
|
1283
1c72304f1885
6928073: G1: use existing command line parameters for marking cycle initiation
tonyp
parents:
1257
diff
changeset
|
2086 } |
|
10287
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2087 if (UseConcMarkSweepGC) { |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2088 status = status && verify_min_value(CMSOldPLABNumRefills, 1, "CMSOldPLABNumRefills"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2089 status = status && verify_min_value(CMSOldPLABToleranceFactor, 1, "CMSOldPLABToleranceFactor"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2090 status = status && verify_min_value(CMSOldPLABMax, 1, "CMSOldPLABMax"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2091 status = status && verify_interval(CMSOldPLABMin, 1, CMSOldPLABMax, "CMSOldPLABMin"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2092 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2093 status = status && verify_min_value(CMSYoungGenPerWorker, 1, "CMSYoungGenPerWorker"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2094 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2095 status = status && verify_min_value(CMSSamplingGrain, 1, "CMSSamplingGrain"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2096 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
|
2097 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
|
2098 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2099 status = status && verify_interval(FLSCoalescePolicy, 0, 4, "FLSCoalescePolicy"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2100 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2101 status = status && verify_min_value(CMSRescanMultiple, 1, "CMSRescanMultiple"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2102 status = status && verify_min_value(CMSConcMarkMultiple, 1, "CMSConcMarkMultiple"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2103 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2104 status = status && verify_interval(CMSPrecleanIter, 0, 9, "CMSPrecleanIter"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2105 status = status && verify_min_value(CMSPrecleanDenominator, 1, "CMSPrecleanDenominator"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2106 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
|
2107 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2108 status = status && verify_percentage(CMSBootstrapOccupancy, "CMSBootstrapOccupancy"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2109 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2110 status = status && verify_min_value(CMSPrecleanThreshold, 100, "CMSPrecleanThreshold"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2111 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2112 status = status && verify_percentage(CMSScheduleRemarkEdenPenetration, "CMSScheduleRemarkEdenPenetration"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2113 status = status && verify_min_value(CMSScheduleRemarkSamplingRatio, 1, "CMSScheduleRemarkSamplingRatio"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2114 status = status && verify_min_value(CMSBitMapYieldQuantum, 1, "CMSBitMapYieldQuantum"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2115 status = status && verify_percentage(CMSTriggerRatio, "CMSTriggerRatio"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2116 status = status && verify_percentage(CMSIsTooFullPercentage, "CMSIsTooFullPercentage"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2117 } |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2118 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2119 if (UseParallelGC || UseParallelOldGC) { |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2120 status = status && verify_interval(ParallelOldDeadWoodLimiterMean, 0, 100, "ParallelOldDeadWoodLimiterMean"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2121 status = status && verify_interval(ParallelOldDeadWoodLimiterStdDev, 0, 100, "ParallelOldDeadWoodLimiterStdDev"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2122 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2123 status = status && verify_percentage(YoungGenerationSizeIncrement, "YoungGenerationSizeIncrement"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2124 status = status && verify_percentage(TenuredGenerationSizeIncrement, "TenuredGenerationSizeIncrement"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2125 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2126 status = status && verify_min_value(YoungGenerationSizeSupplementDecay, 1, "YoungGenerationSizeSupplementDecay"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2127 status = status && verify_min_value(TenuredGenerationSizeSupplementDecay, 1, "TenuredGenerationSizeSupplementDecay"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2128 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2129 status = status && verify_min_value(ParGCCardsPerStrideChunk, 1, "ParGCCardsPerStrideChunk"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2130 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2131 status = status && verify_min_value(ParallelOldGCSplitInterval, 0, "ParallelOldGCSplitInterval"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2132 } |
|
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
2133 #endif // INCLUDE_ALL_GCS |
|
1283
1c72304f1885
6928073: G1: use existing command line parameters for marking cycle initiation
tonyp
parents:
1257
diff
changeset
|
2134 |
|
1244
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2135 status = status && verify_interval(RefDiscoveryPolicy, |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2136 ReferenceProcessor::DiscoveryPolicyMin, |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2137 ReferenceProcessor::DiscoveryPolicyMax, |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2138 "RefDiscoveryPolicy"); |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2139 |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2140 // 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
|
2141 // expression. |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2142 status = status && verify_interval(TLABWasteTargetPercent, |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2143 1, 100, "TLABWasteTargetPercent"); |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2144 |
|
1571
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
2145 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
|
2146 |
|
6736
11fb740ce98f
7196103: NPG: Unable to allocate bit map for parallel garbage collection for the requested heap size
coleenp
parents:
6725
diff
changeset
|
2147 status = status && verify_min_value(ClassMetaspaceSize, 1*M, |
|
11fb740ce98f
7196103: NPG: Unable to allocate bit map for parallel garbage collection for the requested heap size
coleenp
parents:
6725
diff
changeset
|
2148 "ClassMetaspaceSize"); |
|
11fb740ce98f
7196103: NPG: Unable to allocate bit map for parallel garbage collection for the requested heap size
coleenp
parents:
6725
diff
changeset
|
2149 |
|
7397
442f942757c0
8000244: G1: Ergonomically set MarkStackSize and use virtual space for global marking stack
johnc
parents:
7177
diff
changeset
|
2150 status = status && verify_interval(MarkStackSizeMax, |
|
442f942757c0
8000244: G1: Ergonomically set MarkStackSize and use virtual space for global marking stack
johnc
parents:
7177
diff
changeset
|
2151 1, (max_jint - 1), "MarkStackSizeMax"); |
|
10287
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2152 status = status && verify_interval(NUMAChunkResizeWeight, 0, 100, "NUMAChunkResizeWeight"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2153 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2154 status = status && verify_min_value(LogEventsBufferEntries, 1, "LogEventsBufferEntries"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2155 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2156 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
|
2157 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2158 status = status && verify_min_value(GCTaskTimeStampEntries, 1, "GCTaskTimeStampEntries"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2159 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2160 status = status && verify_percentage(ParallelGCBufferWastePct, "ParallelGCBufferWastePct"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2161 status = status && verify_interval(TargetPLABWastePct, 1, 100, "TargetPLABWastePct"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2162 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2163 status = status && verify_min_value(ParGCStridesPerThread, 1, "ParGCStridesPerThread"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2164 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2165 status = status && verify_min_value(MinRAMFraction, 1, "MinRAMFraction"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2166 status = status && verify_min_value(InitialRAMFraction, 1, "InitialRAMFraction"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2167 status = status && verify_min_value(MaxRAMFraction, 1, "MaxRAMFraction"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2168 status = status && verify_min_value(DefaultMaxRAMFraction, 1, "DefaultMaxRAMFraction"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2169 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2170 status = status && verify_interval(AdaptiveTimeWeight, 0, 100, "AdaptiveTimeWeight"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2171 status = status && verify_min_value(AdaptiveSizeDecrementScaleFactor, 1, "AdaptiveSizeDecrementScaleFactor"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2172 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2173 status = status && verify_interval(TLABAllocationWeight, 0, 100, "TLABAllocationWeight"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2174 status = status && verify_min_value(MinTLABSize, 1, "MinTLABSize"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2175 status = status && verify_min_value(TLABRefillWasteFraction, 1, "TLABRefillWasteFraction"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2176 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2177 status = status && verify_percentage(YoungGenerationSizeSupplement, "YoungGenerationSizeSupplement"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2178 status = status && verify_percentage(TenuredGenerationSizeSupplement, "TenuredGenerationSizeSupplement"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2179 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2180 // 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
|
2181 // just for that, so hardcode here. |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2182 status = status && verify_interval(MaxTenuringThreshold, 0, 15, "MaxTenuringThreshold"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2183 status = status && verify_interval(InitialTenuringThreshold, 0, MaxTenuringThreshold, "MaxTenuringThreshold"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2184 status = status && verify_percentage(TargetSurvivorRatio, "TargetSurvivorRatio"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2185 status = status && verify_percentage(MarkSweepDeadRatio, "MarkSweepDeadRatio"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2186 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2187 status = status && verify_min_value(MarkSweepAlwaysCompactCount, 1, "MarkSweepAlwaysCompactCount"); |
|
6755
bc675e55b48c
7193946: Move warnings associated with UseMemSetInBOT flag
johnc
parents:
6736
diff
changeset
|
2188 #ifdef SPARC |
|
bc675e55b48c
7193946: Move warnings associated with UseMemSetInBOT flag
johnc
parents:
6736
diff
changeset
|
2189 if (UseConcMarkSweepGC || UseG1GC) { |
|
bc675e55b48c
7193946: Move warnings associated with UseMemSetInBOT flag
johnc
parents:
6736
diff
changeset
|
2190 // Issue a stern warning if the user has explicitly set |
|
bc675e55b48c
7193946: Move warnings associated with UseMemSetInBOT flag
johnc
parents:
6736
diff
changeset
|
2191 // UseMemSetInBOT (it is known to cause issues), but allow |
|
bc675e55b48c
7193946: Move warnings associated with UseMemSetInBOT flag
johnc
parents:
6736
diff
changeset
|
2192 // use for experimentation and debugging. |
|
bc675e55b48c
7193946: Move warnings associated with UseMemSetInBOT flag
johnc
parents:
6736
diff
changeset
|
2193 if (VM_Version::is_sun4v() && UseMemSetInBOT) { |
|
bc675e55b48c
7193946: Move warnings associated with UseMemSetInBOT flag
johnc
parents:
6736
diff
changeset
|
2194 assert(!FLAG_IS_DEFAULT(UseMemSetInBOT), "Error"); |
|
bc675e55b48c
7193946: Move warnings associated with UseMemSetInBOT flag
johnc
parents:
6736
diff
changeset
|
2195 warning("Experimental flag -XX:+UseMemSetInBOT is known to cause instability" |
|
bc675e55b48c
7193946: Move warnings associated with UseMemSetInBOT flag
johnc
parents:
6736
diff
changeset
|
2196 " on sun4v; please understand that you are using at your own risk!"); |
|
bc675e55b48c
7193946: Move warnings associated with UseMemSetInBOT flag
johnc
parents:
6736
diff
changeset
|
2197 } |
|
bc675e55b48c
7193946: Move warnings associated with UseMemSetInBOT flag
johnc
parents:
6736
diff
changeset
|
2198 } |
|
bc675e55b48c
7193946: Move warnings associated with UseMemSetInBOT flag
johnc
parents:
6736
diff
changeset
|
2199 #endif // SPARC |
|
bc675e55b48c
7193946: Move warnings associated with UseMemSetInBOT flag
johnc
parents:
6736
diff
changeset
|
2200 |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2201 if (PrintNMTStatistics) { |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2202 #if INCLUDE_NMT |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2203 if (MemTracker::tracking_level() == MemTracker::NMT_off) { |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2204 #endif // INCLUDE_NMT |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2205 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
|
2206 PrintNMTStatistics = false; |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2207 #if INCLUDE_NMT |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2208 } |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2209 #endif |
|
6770
9a86ddfc6c8f
7188594: Print statistic collected by NMT with VM flag
zgu
parents:
6736
diff
changeset
|
2210 } |
|
9a86ddfc6c8f
7188594: Print statistic collected by NMT with VM flag
zgu
parents:
6736
diff
changeset
|
2211 |
|
10260
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2212 // Need to limit the extent of the padding to reasonable size. |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2213 // 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
|
2214 // aggressive prefetching, while still leaving the room for segregating |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2215 // among the distinct pages. |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2216 if (ContendedPaddingWidth < 0 || ContendedPaddingWidth > 8192) { |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2217 jio_fprintf(defaultStream::error_stream(), |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2218 "ContendedPaddingWidth=" INTX_FORMAT " must be the between %d and %d\n", |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2219 ContendedPaddingWidth, 0, 8192); |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2220 status = false; |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2221 } |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2222 |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2223 // Need to enforce the padding not to break the existing field alignments. |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2224 // It is sufficient to check against the largest type size. |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2225 if ((ContendedPaddingWidth % BytesPerLong) != 0) { |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2226 jio_fprintf(defaultStream::error_stream(), |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2227 "ContendedPaddingWidth=" INTX_FORMAT " must be the multiple of %d\n", |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2228 ContendedPaddingWidth, BytesPerLong); |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2229 status = false; |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2230 } |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2231 |
|
11079
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2232 // 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
|
2233 // 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
|
2234 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
|
2235 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
|
2236 jio_fprintf(defaultStream::error_stream(), |
|
11079
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2237 "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
|
2238 os::vm_page_size()/K); |
|
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2239 status = false; |
|
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2240 } else if (ReservedCodeCacheSize < InitialCodeCacheSize) { |
|
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2241 jio_fprintf(defaultStream::error_stream(), |
|
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2242 "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
|
2243 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
|
2244 status = false; |
|
11079
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2245 } 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
|
2246 jio_fprintf(defaultStream::error_stream(), |
|
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2247 "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
|
2248 min_code_cache_size/K); |
|
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2249 status = false; |
|
11109
7ac80525ece9
8015635: Crash when specifying very large code cache size
anoll
parents:
11083
diff
changeset
|
2250 } else if (ReservedCodeCacheSize > 2*G) { |
|
7ac80525ece9
8015635: Crash when specifying very large code cache size
anoll
parents:
11083
diff
changeset
|
2251 // Code cache size larger than MAXINT is not supported. |
|
7ac80525ece9
8015635: Crash when specifying very large code cache size
anoll
parents:
11083
diff
changeset
|
2252 jio_fprintf(defaultStream::error_stream(), |
|
7ac80525ece9
8015635: Crash when specifying very large code cache size
anoll
parents:
11083
diff
changeset
|
2253 "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
|
2254 (2*G)/M); |
|
7ac80525ece9
8015635: Crash when specifying very large code cache size
anoll
parents:
11083
diff
changeset
|
2255 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
|
2256 } |
| 0 | 2257 return status; |
| 2258 } | |
| 2259 | |
| 2260 bool Arguments::is_bad_option(const JavaVMOption* option, jboolean ignore, | |
| 2261 const char* option_type) { | |
| 2262 if (ignore) return false; | |
| 2263 | |
| 2264 const char* spacer = " "; | |
| 2265 if (option_type == NULL) { | |
| 2266 option_type = ++spacer; // Set both to the empty string. | |
| 2267 } | |
| 2268 | |
| 2269 if (os::obsolete_option(option)) { | |
| 2270 jio_fprintf(defaultStream::error_stream(), | |
| 2271 "Obsolete %s%soption: %s\n", option_type, spacer, | |
| 2272 option->optionString); | |
| 2273 return false; | |
| 2274 } else { | |
| 2275 jio_fprintf(defaultStream::error_stream(), | |
| 2276 "Unrecognized %s%soption: %s\n", option_type, spacer, | |
| 2277 option->optionString); | |
| 2278 return true; | |
| 2279 } | |
| 2280 } | |
| 2281 | |
| 2282 static const char* user_assertion_options[] = { | |
| 2283 "-da", "-ea", "-disableassertions", "-enableassertions", 0 | |
| 2284 }; | |
| 2285 | |
| 2286 static const char* system_assertion_options[] = { | |
| 2287 "-dsa", "-esa", "-disablesystemassertions", "-enablesystemassertions", 0 | |
| 2288 }; | |
| 2289 | |
| 2290 // Return true if any of the strings in null-terminated array 'names' matches. | |
| 2291 // If tail_allowed is true, then the tail must begin with a colon; otherwise, | |
| 2292 // the option must match exactly. | |
| 2293 static bool match_option(const JavaVMOption* option, const char** names, const char** tail, | |
| 2294 bool tail_allowed) { | |
| 2295 for (/* empty */; *names != NULL; ++names) { | |
| 2296 if (match_option(option, *names, tail)) { | |
| 2297 if (**tail == '\0' || tail_allowed && **tail == ':') { | |
| 2298 return true; | |
| 2299 } | |
| 2300 } | |
| 2301 } | |
| 2302 return false; | |
| 2303 } | |
| 2304 | |
| 1284 | 2305 bool Arguments::parse_uintx(const char* value, |
| 2306 uintx* uintx_arg, | |
| 2307 uintx min_size) { | |
| 2308 | |
| 2309 // Check the sign first since atomull() parses only unsigned values. | |
| 2310 bool value_is_positive = !(*value == '-'); | |
| 2311 | |
| 2312 if (value_is_positive) { | |
| 2313 julong n; | |
| 2314 bool good_return = atomull(value, &n); | |
| 2315 if (good_return) { | |
| 2316 bool above_minimum = n >= min_size; | |
| 2317 bool value_is_too_large = n > max_uintx; | |
| 2318 | |
| 2319 if (above_minimum && !value_is_too_large) { | |
| 2320 *uintx_arg = n; | |
| 2321 return true; | |
| 2322 } | |
| 2323 } | |
| 2324 } | |
| 2325 return false; | |
| 2326 } | |
| 2327 | |
| 0 | 2328 Arguments::ArgsRange Arguments::parse_memory_size(const char* s, |
|
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
2329 julong* long_arg, |
|
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
2330 julong min_size) { |
|
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
2331 if (!atomull(s, long_arg)) return arg_unreadable; |
| 0 | 2332 return check_memory_size(*long_arg, min_size); |
| 2333 } | |
| 2334 | |
| 2335 // Parse JavaVMInitArgs structure | |
| 2336 | |
| 2337 jint Arguments::parse_vm_init_args(const JavaVMInitArgs* args) { | |
| 2338 // For components of the system classpath. | |
| 2339 SysClassPath scp(Arguments::get_sysclasspath()); | |
| 2340 bool scp_assembly_required = false; | |
| 2341 | |
| 2342 // Save default settings for some mode flags | |
| 2343 Arguments::_AlwaysCompileLoopMethods = AlwaysCompileLoopMethods; | |
| 2344 Arguments::_UseOnStackReplacement = UseOnStackReplacement; | |
| 2345 Arguments::_ClipInlining = ClipInlining; | |
| 2346 Arguments::_BackgroundCompilation = BackgroundCompilation; | |
| 2347 | |
|
3341
e9b8ef09622a
7041582: set_mode_flags isn't called without -Xmixed specified
never
parents:
3261
diff
changeset
|
2348 // Setup flags for mixed which is the default |
|
e9b8ef09622a
7041582: set_mode_flags isn't called without -Xmixed specified
never
parents:
3261
diff
changeset
|
2349 set_mode_flags(_mixed); |
|
e9b8ef09622a
7041582: set_mode_flags isn't called without -Xmixed specified
never
parents:
3261
diff
changeset
|
2350 |
| 0 | 2351 // Parse JAVA_TOOL_OPTIONS environment variable (if present) |
| 2352 jint result = parse_java_tool_options_environment_variable(&scp, &scp_assembly_required); | |
| 2353 if (result != JNI_OK) { | |
| 2354 return result; | |
| 2355 } | |
| 2356 | |
| 2357 // Parse JavaVMInitArgs structure passed in | |
| 2358 result = parse_each_vm_init_arg(args, &scp, &scp_assembly_required, COMMAND_LINE); | |
| 2359 if (result != JNI_OK) { | |
| 2360 return result; | |
| 2361 } | |
| 2362 | |
|
531
40ee984935b9
6792705: Add JAR file to bootclasspath when using AggressiveOpts
phh
parents:
513
diff
changeset
|
2363 if (AggressiveOpts) { |
|
40ee984935b9
6792705: Add JAR file to bootclasspath when using AggressiveOpts
phh
parents:
513
diff
changeset
|
2364 // Insert alt-rt.jar between user-specified bootclasspath |
|
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2365 // prefix and the default bootclasspath. os::set_boot_path() |
|
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2366 // uses meta_index_dir as the default bootclasspath directory. |
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2367 const char* altclasses_jar = "alt-rt.jar"; |
|
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2368 size_t altclasses_path_len = strlen(get_meta_index_dir()) + 1 + |
|
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2369 strlen(altclasses_jar); |
| 6197 | 2370 char* altclasses_path = NEW_C_HEAP_ARRAY(char, altclasses_path_len, mtInternal); |
|
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2371 strcpy(altclasses_path, get_meta_index_dir()); |
|
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2372 strcat(altclasses_path, altclasses_jar); |
|
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2373 scp.add_suffix_to_prefix(altclasses_path); |
|
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2374 scp_assembly_required = true; |
| 6197 | 2375 FREE_C_HEAP_ARRAY(char, altclasses_path, mtInternal); |
|
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2376 } |
|
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2377 |
| 0 | 2378 // Parse _JAVA_OPTIONS environment variable (if present) (mimics classic VM) |
| 2379 result = parse_java_options_environment_variable(&scp, &scp_assembly_required); | |
| 2380 if (result != JNI_OK) { | |
| 2381 return result; | |
| 2382 } | |
| 2383 | |
| 2384 // Do final processing now that all arguments have been parsed | |
| 2385 result = finalize_vm_init_args(&scp, scp_assembly_required); | |
| 2386 if (result != JNI_OK) { | |
| 2387 return result; | |
| 2388 } | |
| 2389 | |
| 2390 return JNI_OK; | |
| 2391 } | |
| 2392 | |
|
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2393 // Checks if name in command-line argument -agent{lib,path}:name[=options] |
|
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2394 // represents a valid HPROF of JDWP agent. is_path==true denotes that we |
|
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2395 // are dealing with -agentpath (case where name is a path), otherwise with |
|
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2396 // -agentlib |
|
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2397 bool valid_hprof_or_jdwp_agent(char *name, bool is_path) { |
|
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2398 char *_name; |
|
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2399 const char *_hprof = "hprof", *_jdwp = "jdwp"; |
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2400 size_t _len_hprof, _len_jdwp, _len_prefix; |
|
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2401 |
|
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2402 if (is_path) { |
|
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2403 if ((_name = strrchr(name, (int) *os::file_separator())) == NULL) { |
|
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2404 return false; |
|
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|
2405 } |
|
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|
2406 |
|
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2407 _name++; // skip past last path separator |
|
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2408 _len_prefix = strlen(JNI_LIB_PREFIX); |
|
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2409 |
|
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2410 if (strncmp(_name, JNI_LIB_PREFIX, _len_prefix) != 0) { |
|
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2411 return false; |
|
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|
2412 } |
|
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2413 |
|
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2414 _name += _len_prefix; |
|
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2415 _len_hprof = strlen(_hprof); |
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2416 _len_jdwp = strlen(_jdwp); |
|
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2417 |
|
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2418 if (strncmp(_name, _hprof, _len_hprof) == 0) { |
|
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2419 _name += _len_hprof; |
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2420 } |
|
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2421 else if (strncmp(_name, _jdwp, _len_jdwp) == 0) { |
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2422 _name += _len_jdwp; |
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2423 } |
|
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|
2424 else { |
|
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|
2425 return false; |
|
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|
2426 } |
|
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|
2427 |
|
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2428 if (strcmp(_name, JNI_LIB_SUFFIX) != 0) { |
|
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2429 return false; |
|
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|
2430 } |
|
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|
2431 |
|
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|
2432 return true; |
|
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|
2433 } |
|
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|
2434 |
|
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|
2435 if (strcmp(name, _hprof) == 0 || strcmp(name, _jdwp) == 0) { |
|
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|
2436 return true; |
|
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|
2437 } |
|
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|
2438 |
|
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|
2439 return false; |
|
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|
2440 } |
|
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|
2441 |
| 0 | 2442 jint Arguments::parse_each_vm_init_arg(const JavaVMInitArgs* args, |
| 2443 SysClassPath* scp_p, | |
| 2444 bool* scp_assembly_required_p, | |
| 2445 FlagValueOrigin origin) { | |
| 2446 // Remaining part of option string | |
| 2447 const char* tail; | |
| 2448 | |
| 2449 // iterate over arguments | |
| 2450 for (int index = 0; index < args->nOptions; index++) { | |
| 2451 bool is_absolute_path = false; // for -agentpath vs -agentlib | |
| 2452 | |
| 2453 const JavaVMOption* option = args->options + index; | |
| 2454 | |
| 2455 if (!match_option(option, "-Djava.class.path", &tail) && | |
| 2456 !match_option(option, "-Dsun.java.command", &tail) && | |
| 2457 !match_option(option, "-Dsun.java.launcher", &tail)) { | |
| 2458 | |
| 2459 // add all jvm options to the jvm_args string. This string | |
| 2460 // is used later to set the java.vm.args PerfData string constant. | |
| 2461 // the -Djava.class.path and the -Dsun.java.command options are | |
| 2462 // omitted from jvm_args string as each have their own PerfData | |
| 2463 // string constant object. | |
| 2464 build_jvm_args(option->optionString); | |
| 2465 } | |
| 2466 | |
| 2467 // -verbose:[class/gc/jni] | |
| 2468 if (match_option(option, "-verbose", &tail)) { | |
| 2469 if (!strcmp(tail, ":class") || !strcmp(tail, "")) { | |
| 2470 FLAG_SET_CMDLINE(bool, TraceClassLoading, true); | |
| 2471 FLAG_SET_CMDLINE(bool, TraceClassUnloading, true); | |
| 2472 } else if (!strcmp(tail, ":gc")) { | |
| 2473 FLAG_SET_CMDLINE(bool, PrintGC, true); | |
| 2474 } else if (!strcmp(tail, ":jni")) { | |
| 2475 FLAG_SET_CMDLINE(bool, PrintJNIResolving, true); | |
| 2476 } | |
| 2477 // -da / -ea / -disableassertions / -enableassertions | |
| 2478 // These accept an optional class/package name separated by a colon, e.g., | |
| 2479 // -da:java.lang.Thread. | |
| 2480 } else if (match_option(option, user_assertion_options, &tail, true)) { | |
| 2481 bool enable = option->optionString[1] == 'e'; // char after '-' is 'e' | |
| 2482 if (*tail == '\0') { | |
| 2483 JavaAssertions::setUserClassDefault(enable); | |
| 2484 } else { | |
| 2485 assert(*tail == ':', "bogus match by match_option()"); | |
| 2486 JavaAssertions::addOption(tail + 1, enable); | |
| 2487 } | |
| 2488 // -dsa / -esa / -disablesystemassertions / -enablesystemassertions | |
| 2489 } else if (match_option(option, system_assertion_options, &tail, false)) { | |
| 2490 bool enable = option->optionString[1] == 'e'; // char after '-' is 'e' | |
| 2491 JavaAssertions::setSystemClassDefault(enable); | |
| 2492 // -bootclasspath: | |
| 2493 } else if (match_option(option, "-Xbootclasspath:", &tail)) { | |
| 2494 scp_p->reset_path(tail); | |
| 2495 *scp_assembly_required_p = true; | |
| 2496 // -bootclasspath/a: | |
| 2497 } else if (match_option(option, "-Xbootclasspath/a:", &tail)) { | |
| 2498 scp_p->add_suffix(tail); | |
| 2499 *scp_assembly_required_p = true; | |
| 2500 // -bootclasspath/p: | |
| 2501 } else if (match_option(option, "-Xbootclasspath/p:", &tail)) { | |
| 2502 scp_p->add_prefix(tail); | |
| 2503 *scp_assembly_required_p = true; | |
| 2504 // -Xrun | |
| 2505 } else if (match_option(option, "-Xrun", &tail)) { | |
|
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2506 if (tail != NULL) { |
| 0 | 2507 const char* pos = strchr(tail, ':'); |
| 2508 size_t len = (pos == NULL) ? strlen(tail) : pos - tail; | |
| 6197 | 2509 char* name = (char*)memcpy(NEW_C_HEAP_ARRAY(char, len + 1, mtInternal), tail, len); |
| 0 | 2510 name[len] = '\0'; |
| 2511 | |
| 2512 char *options = NULL; | |
| 2513 if(pos != NULL) { | |
| 2514 size_t len2 = strlen(pos+1) + 1; // options start after ':'. Final zero must be copied. | |
| 6197 | 2515 options = (char*)memcpy(NEW_C_HEAP_ARRAY(char, len2, mtInternal), pos+1, len2); |
| 0 | 2516 } |
|
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2517 #if !INCLUDE_JVMTI |
| 0 | 2518 if ((strcmp(name, "hprof") == 0) || (strcmp(name, "jdwp") == 0)) { |
|
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2519 jio_fprintf(defaultStream::error_stream(), |
|
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2520 "Profiling and debugging agents are not supported in this VM\n"); |
|
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|
2521 return JNI_ERR; |
|
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|
2522 } |
|
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|
2523 #endif // !INCLUDE_JVMTI |
|
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|
2524 add_init_library(name, options); |
| 0 | 2525 } |
| 2526 // -agentlib and -agentpath | |
| 2527 } else if (match_option(option, "-agentlib:", &tail) || | |
| 2528 (is_absolute_path = match_option(option, "-agentpath:", &tail))) { | |
| 2529 if(tail != NULL) { | |
| 2530 const char* pos = strchr(tail, '='); | |
| 2531 size_t len = (pos == NULL) ? strlen(tail) : pos - tail; | |
| 6197 | 2532 char* name = strncpy(NEW_C_HEAP_ARRAY(char, len + 1, mtInternal), tail, len); |
| 0 | 2533 name[len] = '\0'; |
| 2534 | |
| 2535 char *options = NULL; | |
| 2536 if(pos != NULL) { | |
| 6197 | 2537 options = strcpy(NEW_C_HEAP_ARRAY(char, strlen(pos + 1) + 1, mtInternal), pos + 1); |
| 0 | 2538 } |
|
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2539 #if !INCLUDE_JVMTI |
|
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2540 if (valid_hprof_or_jdwp_agent(name, is_absolute_path)) { |
|
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2541 jio_fprintf(defaultStream::error_stream(), |
|
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2542 "Profiling and debugging agents are not supported in this VM\n"); |
|
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|
2543 return JNI_ERR; |
|
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|
2544 } |
|
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|
2545 #endif // !INCLUDE_JVMTI |
| 0 | 2546 add_init_agent(name, options, is_absolute_path); |
| 2547 } | |
| 2548 // -javaagent | |
| 2549 } else if (match_option(option, "-javaagent:", &tail)) { | |
|
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|
2550 #if !INCLUDE_JVMTI |
|
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2551 jio_fprintf(defaultStream::error_stream(), |
|
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|
2552 "Instrumentation agents are not supported in this VM\n"); |
|
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|
2553 return JNI_ERR; |
|
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|
2554 #else |
| 0 | 2555 if(tail != NULL) { |
| 6197 | 2556 char *options = strcpy(NEW_C_HEAP_ARRAY(char, strlen(tail) + 1, mtInternal), tail); |
| 0 | 2557 add_init_agent("instrument", options, false); |
| 2558 } | |
|
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|
2559 #endif // !INCLUDE_JVMTI |
| 0 | 2560 // -Xnoclassgc |
| 2561 } else if (match_option(option, "-Xnoclassgc", &tail)) { | |
| 2562 FLAG_SET_CMDLINE(bool, ClassUnloading, false); | |
| 2563 // -Xincgc: i-CMS | |
| 2564 } else if (match_option(option, "-Xincgc", &tail)) { | |
| 2565 FLAG_SET_CMDLINE(bool, UseConcMarkSweepGC, true); | |
| 2566 FLAG_SET_CMDLINE(bool, CMSIncrementalMode, true); | |
| 2567 // -Xnoincgc: no i-CMS | |
| 2568 } else if (match_option(option, "-Xnoincgc", &tail)) { | |
| 2569 FLAG_SET_CMDLINE(bool, UseConcMarkSweepGC, false); | |
| 2570 FLAG_SET_CMDLINE(bool, CMSIncrementalMode, false); | |
| 2571 // -Xconcgc | |
| 2572 } else if (match_option(option, "-Xconcgc", &tail)) { | |
| 2573 FLAG_SET_CMDLINE(bool, UseConcMarkSweepGC, true); | |
| 2574 // -Xnoconcgc | |
| 2575 } else if (match_option(option, "-Xnoconcgc", &tail)) { | |
| 2576 FLAG_SET_CMDLINE(bool, UseConcMarkSweepGC, false); | |
| 2577 // -Xbatch | |
| 2578 } else if (match_option(option, "-Xbatch", &tail)) { | |
| 2579 FLAG_SET_CMDLINE(bool, BackgroundCompilation, false); | |
| 2580 // -Xmn for compatibility with other JVM vendors | |
| 2581 } else if (match_option(option, "-Xmn", &tail)) { | |
|
489
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483
diff
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|
2582 julong long_initial_eden_size = 0; |
| 0 | 2583 ArgsRange errcode = parse_memory_size(tail, &long_initial_eden_size, 1); |
| 2584 if (errcode != arg_in_range) { | |
| 2585 jio_fprintf(defaultStream::error_stream(), | |
| 2586 "Invalid initial eden size: %s\n", option->optionString); | |
| 2587 describe_range_error(errcode); | |
| 2588 return JNI_EINVAL; | |
| 2589 } | |
| 1064 | 2590 FLAG_SET_CMDLINE(uintx, MaxNewSize, (uintx)long_initial_eden_size); |
| 2591 FLAG_SET_CMDLINE(uintx, NewSize, (uintx)long_initial_eden_size); | |
| 0 | 2592 // -Xms |
| 2593 } else if (match_option(option, "-Xms", &tail)) { | |
|
489
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swamyv
parents:
483
diff
changeset
|
2594 julong long_initial_heap_size = 0; |
|
10241
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10240
diff
changeset
|
2595 // an initial heap size of 0 means automatically determine |
|
d17700c82d7d
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tschatzl
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10240
diff
changeset
|
2596 ArgsRange errcode = parse_memory_size(tail, &long_initial_heap_size, 0); |
| 0 | 2597 if (errcode != arg_in_range) { |
| 2598 jio_fprintf(defaultStream::error_stream(), | |
| 2599 "Invalid initial heap size: %s\n", option->optionString); | |
| 2600 describe_range_error(errcode); | |
| 2601 return JNI_EINVAL; | |
| 2602 } | |
| 1064 | 2603 FLAG_SET_CMDLINE(uintx, InitialHeapSize, (uintx)long_initial_heap_size); |
| 0 | 2604 // Currently the minimum size and the initial heap sizes are the same. |
| 1064 | 2605 set_min_heap_size(InitialHeapSize); |
| 0 | 2606 // -Xmx |
|
10241
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10240
diff
changeset
|
2607 } else if (match_option(option, "-Xmx", &tail) || match_option(option, "-XX:MaxHeapSize=", &tail)) { |
|
489
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483
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|
2608 julong long_max_heap_size = 0; |
| 0 | 2609 ArgsRange errcode = parse_memory_size(tail, &long_max_heap_size, 1); |
| 2610 if (errcode != arg_in_range) { | |
| 2611 jio_fprintf(defaultStream::error_stream(), | |
| 2612 "Invalid maximum heap size: %s\n", option->optionString); | |
| 2613 describe_range_error(errcode); | |
| 2614 return JNI_EINVAL; | |
| 2615 } | |
| 1064 | 2616 FLAG_SET_CMDLINE(uintx, MaxHeapSize, (uintx)long_max_heap_size); |
| 0 | 2617 // Xmaxf |
| 2618 } else if (match_option(option, "-Xmaxf", &tail)) { | |
| 2619 int maxf = (int)(atof(tail) * 100); | |
| 2620 if (maxf < 0 || maxf > 100) { | |
| 2621 jio_fprintf(defaultStream::error_stream(), | |
| 2622 "Bad max heap free percentage size: %s\n", | |
| 2623 option->optionString); | |
| 2624 return JNI_EINVAL; | |
| 2625 } else { | |
| 2626 FLAG_SET_CMDLINE(uintx, MaxHeapFreeRatio, maxf); | |
| 2627 } | |
| 2628 // Xminf | |
| 2629 } else if (match_option(option, "-Xminf", &tail)) { | |
| 2630 int minf = (int)(atof(tail) * 100); | |
| 2631 if (minf < 0 || minf > 100) { | |
| 2632 jio_fprintf(defaultStream::error_stream(), | |
| 2633 "Bad min heap free percentage size: %s\n", | |
| 2634 option->optionString); | |
| 2635 return JNI_EINVAL; | |
| 2636 } else { | |
| 2637 FLAG_SET_CMDLINE(uintx, MinHeapFreeRatio, minf); | |
| 2638 } | |
| 2639 // -Xss | |
| 2640 } else if (match_option(option, "-Xss", &tail)) { | |
|
489
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diff
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|
2641 julong long_ThreadStackSize = 0; |
| 0 | 2642 ArgsRange errcode = parse_memory_size(tail, &long_ThreadStackSize, 1000); |
| 2643 if (errcode != arg_in_range) { | |
| 2644 jio_fprintf(defaultStream::error_stream(), | |
| 2645 "Invalid thread stack size: %s\n", option->optionString); | |
| 2646 describe_range_error(errcode); | |
| 2647 return JNI_EINVAL; | |
| 2648 } | |
| 2649 // Internally track ThreadStackSize in units of 1024 bytes. | |
| 2650 FLAG_SET_CMDLINE(intx, ThreadStackSize, | |
| 2651 round_to((int)long_ThreadStackSize, K) / K); | |
| 2652 // -Xoss | |
| 2653 } else if (match_option(option, "-Xoss", &tail)) { | |
| 2654 // HotSpot does not have separate native and Java stacks, ignore silently for compatibility | |
|
11079
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
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11006
diff
changeset
|
2655 } else if (match_option(option, "-XX:CodeCacheExpansionSize=", &tail)) { |
|
738e04fb1232
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diff
changeset
|
2656 julong long_CodeCacheExpansionSize = 0; |
|
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
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11006
diff
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|
2657 ArgsRange errcode = parse_memory_size(tail, &long_CodeCacheExpansionSize, os::vm_page_size()); |
|
738e04fb1232
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11006
diff
changeset
|
2658 if (errcode != arg_in_range) { |
|
738e04fb1232
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11006
diff
changeset
|
2659 jio_fprintf(defaultStream::error_stream(), |
|
738e04fb1232
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anoll
parents:
11006
diff
changeset
|
2660 "Invalid argument: %s. Must be at least %luK.\n", option->optionString, |
|
738e04fb1232
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parents:
11006
diff
changeset
|
2661 os::vm_page_size()/K); |
|
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
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parents:
11006
diff
changeset
|
2662 return JNI_EINVAL; |
|
738e04fb1232
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parents:
11006
diff
changeset
|
2663 } |
|
738e04fb1232
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11006
diff
changeset
|
2664 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
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2002
diff
changeset
|
2665 } else if (match_option(option, "-Xmaxjitcodesize", &tail) || |
|
36c186bcc085
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2002
diff
changeset
|
2666 match_option(option, "-XX:ReservedCodeCacheSize=", &tail)) { |
|
489
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483
diff
changeset
|
2667 julong long_ReservedCodeCacheSize = 0; |
|
11079
738e04fb1232
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diff
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|
2668 |
|
10392
c07dd9be16e8
8013496: Code cache management command line options work only in special order. Another order of arguments does not deliver the second parameter to the jvm.
anoll
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10319
diff
changeset
|
2669 ArgsRange errcode = parse_memory_size(tail, &long_ReservedCodeCacheSize, 1); |
| 0 | 2670 if (errcode != arg_in_range) { |
| 2671 jio_fprintf(defaultStream::error_stream(), | |
|
10392
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anoll
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10319
diff
changeset
|
2672 "Invalid maximum code cache size: %s.\n", option->optionString); |
| 0 | 2673 return JNI_EINVAL; |
| 2674 } | |
| 2675 FLAG_SET_CMDLINE(uintx, ReservedCodeCacheSize, (uintx)long_ReservedCodeCacheSize); | |
|
10319
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
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parents:
10294
diff
changeset
|
2676 //-XX:IncreaseFirstTierCompileThresholdAt= |
|
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
parents:
10294
diff
changeset
|
2677 } else if (match_option(option, "-XX:IncreaseFirstTierCompileThresholdAt=", &tail)) { |
|
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
parents:
10294
diff
changeset
|
2678 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
|
2679 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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parents:
10294
diff
changeset
|
2680 jio_fprintf(defaultStream::error_stream(), |
|
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
parents:
10294
diff
changeset
|
2681 "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
|
2682 option->optionString); |
|
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
parents:
10294
diff
changeset
|
2683 return JNI_EINVAL; |
|
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
parents:
10294
diff
changeset
|
2684 } |
|
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
parents:
10294
diff
changeset
|
2685 FLAG_SET_CMDLINE(uintx, IncreaseFirstTierCompileThresholdAt, (uintx)uint_IncreaseFirstTierCompileThresholdAt); |
| 0 | 2686 // -green |
| 2687 } else if (match_option(option, "-green", &tail)) { | |
| 2688 jio_fprintf(defaultStream::error_stream(), | |
| 2689 "Green threads support not available\n"); | |
| 2690 return JNI_EINVAL; | |
| 2691 // -native | |
| 2692 } else if (match_option(option, "-native", &tail)) { | |
| 2693 // HotSpot always uses native threads, ignore silently for compatibility | |
| 2694 // -Xsqnopause | |
| 2695 } else if (match_option(option, "-Xsqnopause", &tail)) { | |
| 2696 // EVM option, ignore silently for compatibility | |
| 2697 // -Xrs | |
| 2698 } else if (match_option(option, "-Xrs", &tail)) { | |
| 2699 // Classic/EVM option, new functionality | |
| 2700 FLAG_SET_CMDLINE(bool, ReduceSignalUsage, true); | |
| 2701 } else if (match_option(option, "-Xusealtsigs", &tail)) { | |
| 2702 // change default internal VM signals used - lower case for back compat | |
| 2703 FLAG_SET_CMDLINE(bool, UseAltSigs, true); | |
| 2704 // -Xoptimize | |
| 2705 } else if (match_option(option, "-Xoptimize", &tail)) { | |
| 2706 // EVM option, ignore silently for compatibility | |
| 2707 // -Xprof | |
| 2708 } else if (match_option(option, "-Xprof", &tail)) { | |
|
6854
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6818
diff
changeset
|
2709 #if INCLUDE_FPROF |
| 0 | 2710 _has_profile = true; |
|
6854
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jprovino
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6818
diff
changeset
|
2711 #else // INCLUDE_FPROF |
|
8720
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
2712 jio_fprintf(defaultStream::error_stream(), |
|
fad90b102190
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jprovino
parents:
8105
diff
changeset
|
2713 "Flat profiling is not supported in this VM.\n"); |
|
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
2714 return JNI_ERR; |
|
6854
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diff
changeset
|
2715 #endif // INCLUDE_FPROF |
| 0 | 2716 // -Xaprof |
| 2717 } else if (match_option(option, "-Xaprof", &tail)) { | |
| 2718 _has_alloc_profile = true; | |
| 2719 // -Xconcurrentio | |
| 2720 } else if (match_option(option, "-Xconcurrentio", &tail)) { | |
| 2721 FLAG_SET_CMDLINE(bool, UseLWPSynchronization, true); | |
| 2722 FLAG_SET_CMDLINE(bool, BackgroundCompilation, false); | |
| 2723 FLAG_SET_CMDLINE(intx, DeferThrSuspendLoopCount, 1); | |
| 2724 FLAG_SET_CMDLINE(bool, UseTLAB, false); | |
| 2725 FLAG_SET_CMDLINE(uintx, NewSizeThreadIncrease, 16 * K); // 20Kb per thread added to new generation | |
| 2726 | |
| 2727 // -Xinternalversion | |
| 2728 } else if (match_option(option, "-Xinternalversion", &tail)) { | |
| 2729 jio_fprintf(defaultStream::output_stream(), "%s\n", | |
| 2730 VM_Version::internal_vm_info_string()); | |
| 2731 vm_exit(0); | |
| 2732 #ifndef PRODUCT | |
| 2733 // -Xprintflags | |
| 2734 } else if (match_option(option, "-Xprintflags", &tail)) { | |
| 4773 | 2735 CommandLineFlags::printFlags(tty, false); |
| 0 | 2736 vm_exit(0); |
| 2737 #endif | |
| 2738 // -D | |
| 2739 } else if (match_option(option, "-D", &tail)) { | |
| 2740 if (!add_property(tail)) { | |
| 2741 return JNI_ENOMEM; | |
| 2742 } | |
| 2743 // Out of the box management support | |
| 2744 if (match_option(option, "-Dcom.sun.management", &tail)) { | |
|
8081
579f6adb7f51
8003539: Minimal VM don't react to -Dcom.sun.management and -XX:+ManagementServer
jprovino
parents:
8002
diff
changeset
|
2745 #if INCLUDE_MANAGEMENT |
| 0 | 2746 FLAG_SET_CMDLINE(bool, ManagementServer, true); |
|
8081
579f6adb7f51
8003539: Minimal VM don't react to -Dcom.sun.management and -XX:+ManagementServer
jprovino
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8002
diff
changeset
|
2747 #else |
|
8720
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8105
diff
changeset
|
2748 jio_fprintf(defaultStream::output_stream(), |
|
fad90b102190
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jprovino
parents:
8105
diff
changeset
|
2749 "-Dcom.sun.management is not supported in this VM.\n"); |
|
fad90b102190
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parents:
8105
diff
changeset
|
2750 return JNI_ERR; |
|
8081
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jprovino
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8002
diff
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|
2751 #endif |
| 0 | 2752 } |
| 2753 // -Xint | |
| 2754 } else if (match_option(option, "-Xint", &tail)) { | |
| 2755 set_mode_flags(_int); | |
| 2756 // -Xmixed | |
| 2757 } else if (match_option(option, "-Xmixed", &tail)) { | |
| 2758 set_mode_flags(_mixed); | |
| 2759 // -Xcomp | |
| 2760 } else if (match_option(option, "-Xcomp", &tail)) { | |
| 2761 // for testing the compiler; turn off all flags that inhibit compilation | |
| 2762 set_mode_flags(_comp); | |
| 2763 // -Xshare:dump | |
| 2764 } else if (match_option(option, "-Xshare:dump", &tail)) { | |
| 2765 FLAG_SET_CMDLINE(bool, DumpSharedSpaces, true); | |
| 2766 set_mode_flags(_int); // Prevent compilation, which creates objects | |
| 2767 // -Xshare:on | |
| 2768 } else if (match_option(option, "-Xshare:on", &tail)) { | |
| 2769 FLAG_SET_CMDLINE(bool, UseSharedSpaces, true); | |
| 2770 FLAG_SET_CMDLINE(bool, RequireSharedSpaces, true); | |
| 2771 // -Xshare:auto | |
| 2772 } else if (match_option(option, "-Xshare:auto", &tail)) { | |
| 2773 FLAG_SET_CMDLINE(bool, UseSharedSpaces, true); | |
| 2774 FLAG_SET_CMDLINE(bool, RequireSharedSpaces, false); | |
| 2775 // -Xshare:off | |
| 2776 } else if (match_option(option, "-Xshare:off", &tail)) { | |
| 2777 FLAG_SET_CMDLINE(bool, UseSharedSpaces, false); | |
| 2778 FLAG_SET_CMDLINE(bool, RequireSharedSpaces, false); | |
| 2779 // -Xverify | |
| 2780 } else if (match_option(option, "-Xverify", &tail)) { | |
| 2781 if (strcmp(tail, ":all") == 0 || strcmp(tail, "") == 0) { | |
| 2782 FLAG_SET_CMDLINE(bool, BytecodeVerificationLocal, true); | |
| 2783 FLAG_SET_CMDLINE(bool, BytecodeVerificationRemote, true); | |
| 2784 } else if (strcmp(tail, ":remote") == 0) { | |
| 2785 FLAG_SET_CMDLINE(bool, BytecodeVerificationLocal, false); | |
| 2786 FLAG_SET_CMDLINE(bool, BytecodeVerificationRemote, true); | |
| 2787 } else if (strcmp(tail, ":none") == 0) { | |
| 2788 FLAG_SET_CMDLINE(bool, BytecodeVerificationLocal, false); | |
| 2789 FLAG_SET_CMDLINE(bool, BytecodeVerificationRemote, false); | |
| 2790 } else if (is_bad_option(option, args->ignoreUnrecognized, "verification")) { | |
| 2791 return JNI_EINVAL; | |
| 2792 } | |
| 2793 // -Xdebug | |
| 2794 } else if (match_option(option, "-Xdebug", &tail)) { | |
| 2795 // note this flag has been used, then ignore | |
| 2796 set_xdebug_mode(true); | |
| 2797 // -Xnoagent | |
| 2798 } else if (match_option(option, "-Xnoagent", &tail)) { | |
| 2799 // For compatibility with classic. HotSpot refuses to load the old style agent.dll. | |
| 2800 } else if (match_option(option, "-Xboundthreads", &tail)) { | |
| 2801 // Bind user level threads to kernel threads (Solaris only) | |
| 2802 FLAG_SET_CMDLINE(bool, UseBoundThreads, true); | |
| 2803 } else if (match_option(option, "-Xloggc:", &tail)) { | |
| 2804 // Redirect GC output to the file. -Xloggc:<filename> | |
| 2805 // ostream_init_log(), when called will use this filename | |
| 2806 // to initialize a fileStream. | |
| 2807 _gc_log_filename = strdup(tail); | |
| 2808 FLAG_SET_CMDLINE(bool, PrintGC, true); | |
| 2809 FLAG_SET_CMDLINE(bool, PrintGCTimeStamps, true); | |
| 2810 | |
| 2811 // JNI hooks | |
| 2812 } else if (match_option(option, "-Xcheck", &tail)) { | |
| 2813 if (!strcmp(tail, ":jni")) { | |
|
6854
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|
2814 #if !INCLUDE_JNI_CHECK |
|
fb19af007ffc
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6818
diff
changeset
|
2815 warning("JNI CHECKING is not supported in this VM"); |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
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6818
diff
changeset
|
2816 #else |
| 0 | 2817 CheckJNICalls = true; |
|
6854
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6818
diff
changeset
|
2818 #endif // INCLUDE_JNI_CHECK |
| 0 | 2819 } else if (is_bad_option(option, args->ignoreUnrecognized, |
| 2820 "check")) { | |
| 2821 return JNI_EINVAL; | |
| 2822 } | |
| 2823 } else if (match_option(option, "vfprintf", &tail)) { | |
| 2824 _vfprintf_hook = CAST_TO_FN_PTR(vfprintf_hook_t, option->extraInfo); | |
| 2825 } else if (match_option(option, "exit", &tail)) { | |
| 2826 _exit_hook = CAST_TO_FN_PTR(exit_hook_t, option->extraInfo); | |
| 2827 } else if (match_option(option, "abort", &tail)) { | |
| 2828 _abort_hook = CAST_TO_FN_PTR(abort_hook_t, option->extraInfo); | |
| 2829 // -XX:+AggressiveHeap | |
| 2830 } else if (match_option(option, "-XX:+AggressiveHeap", &tail)) { | |
| 2831 | |
| 2832 // This option inspects the machine and attempts to set various | |
| 2833 // parameters to be optimal for long-running, memory allocation | |
| 2834 // intensive jobs. It is intended for machines with large | |
| 2835 // amounts of cpu and memory. | |
| 2836 | |
| 2837 // initHeapSize is needed since _initial_heap_size is 4 bytes on a 32 bit | |
| 2838 // VM, but we may not be able to represent the total physical memory | |
| 2839 // available (like having 8gb of memory on a box but using a 32bit VM). | |
| 2840 // Thus, we need to make sure we're using a julong for intermediate | |
| 2841 // calculations. | |
| 2842 julong initHeapSize; | |
| 2843 julong total_memory = os::physical_memory(); | |
| 2844 | |
| 2845 if (total_memory < (julong)256*M) { | |
| 2846 jio_fprintf(defaultStream::error_stream(), | |
| 2847 "You need at least 256mb of memory to use -XX:+AggressiveHeap\n"); | |
| 2848 vm_exit(1); | |
| 2849 } | |
| 2850 | |
| 2851 // The heap size is half of available memory, or (at most) | |
| 2852 // all of possible memory less 160mb (leaving room for the OS | |
| 2853 // when using ISM). This is the maximum; because adaptive sizing | |
| 2854 // is turned on below, the actual space used may be smaller. | |
| 2855 | |
| 2856 initHeapSize = MIN2(total_memory / (julong)2, | |
| 2857 total_memory - (julong)160*M); | |
| 2858 | |
|
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8824
diff
changeset
|
2859 initHeapSize = limit_by_allocatable_memory(initHeapSize); |
| 0 | 2860 |
| 2861 if (FLAG_IS_DEFAULT(MaxHeapSize)) { | |
| 2862 FLAG_SET_CMDLINE(uintx, MaxHeapSize, initHeapSize); | |
| 1064 | 2863 FLAG_SET_CMDLINE(uintx, InitialHeapSize, initHeapSize); |
| 0 | 2864 // Currently the minimum size and the initial heap sizes are the same. |
| 1064 | 2865 set_min_heap_size(initHeapSize); |
| 0 | 2866 } |
| 2867 if (FLAG_IS_DEFAULT(NewSize)) { | |
| 2868 // Make the young generation 3/8ths of the total heap. | |
| 2869 FLAG_SET_CMDLINE(uintx, NewSize, | |
| 2870 ((julong)MaxHeapSize / (julong)8) * (julong)3); | |
| 2871 FLAG_SET_CMDLINE(uintx, MaxNewSize, NewSize); | |
| 2872 } | |
| 2873 | |
|
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coleenp
parents:
6916
diff
changeset
|
2874 #ifndef _ALLBSD_SOURCE // UseLargePages is not yet supported on BSD. |
| 0 | 2875 FLAG_SET_DEFAULT(UseLargePages, true); |
|
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coleenp
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6916
diff
changeset
|
2876 #endif |
| 0 | 2877 |
| 2878 // Increase some data structure sizes for efficiency | |
| 2879 FLAG_SET_CMDLINE(uintx, BaseFootPrintEstimate, MaxHeapSize); | |
| 2880 FLAG_SET_CMDLINE(bool, ResizeTLAB, false); | |
| 2881 FLAG_SET_CMDLINE(uintx, TLABSize, 256*K); | |
| 2882 | |
| 2883 // See the OldPLABSize comment below, but replace 'after promotion' | |
| 2884 // with 'after copying'. YoungPLABSize is the size of the survivor | |
| 2885 // space per-gc-thread buffers. The default is 4kw. | |
| 2886 FLAG_SET_CMDLINE(uintx, YoungPLABSize, 256*K); // Note: this is in words | |
| 2887 | |
| 2888 // OldPLABSize is the size of the buffers in the old gen that | |
| 2889 // UseParallelGC uses to promote live data that doesn't fit in the | |
| 2890 // survivor spaces. At any given time, there's one for each gc thread. | |
| 2891 // The default size is 1kw. These buffers are rarely used, since the | |
| 2892 // survivor spaces are usually big enough. For specjbb, however, there | |
| 2893 // are occasions when there's lots of live data in the young gen | |
| 2894 // and we end up promoting some of it. We don't have a definite | |
| 2895 // explanation for why bumping OldPLABSize helps, but the theory | |
| 2896 // is that a bigger PLAB results in retaining something like the | |
| 2897 // original allocation order after promotion, which improves mutator | |
| 2898 // locality. A minor effect may be that larger PLABs reduce the | |
| 2899 // number of PLAB allocation events during gc. The value of 8kw | |
| 2900 // was arrived at by experimenting with specjbb. | |
| 2901 FLAG_SET_CMDLINE(uintx, OldPLABSize, 8*K); // Note: this is in words | |
| 2902 | |
| 2903 // Enable parallel GC and adaptive generation sizing | |
| 2904 FLAG_SET_CMDLINE(bool, UseParallelGC, true); | |
|
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diff
changeset
|
2905 FLAG_SET_DEFAULT(ParallelGCThreads, |
|
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jmasa
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0
diff
changeset
|
2906 Abstract_VM_Version::parallel_worker_threads()); |
| 0 | 2907 |
| 2908 // Encourage steady state memory management | |
| 2909 FLAG_SET_CMDLINE(uintx, ThresholdTolerance, 100); | |
| 2910 | |
| 2911 // This appears to improve mutator locality | |
| 2912 FLAG_SET_CMDLINE(bool, ScavengeBeforeFullGC, false); | |
| 2913 | |
| 2914 // Get around early Solaris scheduling bug | |
| 2915 // (affinity vs other jobs on system) | |
| 2916 // but disallow DR and offlining (5008695). | |
| 2917 FLAG_SET_CMDLINE(bool, BindGCTaskThreadsToCPUs, true); | |
| 2918 | |
| 2919 } else if (match_option(option, "-XX:+NeverTenure", &tail)) { | |
| 2920 // The last option must always win. | |
| 2921 FLAG_SET_CMDLINE(bool, AlwaysTenure, false); | |
| 2922 FLAG_SET_CMDLINE(bool, NeverTenure, true); | |
| 2923 } else if (match_option(option, "-XX:+AlwaysTenure", &tail)) { | |
| 2924 // The last option must always win. | |
| 2925 FLAG_SET_CMDLINE(bool, NeverTenure, false); | |
| 2926 FLAG_SET_CMDLINE(bool, AlwaysTenure, true); | |
| 2927 } else if (match_option(option, "-XX:+CMSPermGenSweepingEnabled", &tail) || | |
| 2928 match_option(option, "-XX:-CMSPermGenSweepingEnabled", &tail)) { | |
| 2929 jio_fprintf(defaultStream::error_stream(), | |
| 2930 "Please use CMSClassUnloadingEnabled in place of " | |
| 2931 "CMSPermGenSweepingEnabled in the future\n"); | |
| 2932 } else if (match_option(option, "-XX:+UseGCTimeLimit", &tail)) { | |
| 2933 FLAG_SET_CMDLINE(bool, UseGCOverheadLimit, true); | |
| 2934 jio_fprintf(defaultStream::error_stream(), | |
| 2935 "Please use -XX:+UseGCOverheadLimit in place of " | |
| 2936 "-XX:+UseGCTimeLimit in the future\n"); | |
| 2937 } else if (match_option(option, "-XX:-UseGCTimeLimit", &tail)) { | |
| 2938 FLAG_SET_CMDLINE(bool, UseGCOverheadLimit, false); | |
| 2939 jio_fprintf(defaultStream::error_stream(), | |
| 2940 "Please use -XX:-UseGCOverheadLimit in place of " | |
| 2941 "-XX:-UseGCTimeLimit in the future\n"); | |
| 2942 // The TLE options are for compatibility with 1.3 and will be | |
| 2943 // removed without notice in a future release. These options | |
| 2944 // are not to be documented. | |
| 2945 } else if (match_option(option, "-XX:MaxTLERatio=", &tail)) { | |
| 2946 // No longer used. | |
| 2947 } else if (match_option(option, "-XX:+ResizeTLE", &tail)) { | |
| 2948 FLAG_SET_CMDLINE(bool, ResizeTLAB, true); | |
| 2949 } else if (match_option(option, "-XX:-ResizeTLE", &tail)) { | |
| 2950 FLAG_SET_CMDLINE(bool, ResizeTLAB, false); | |
| 2951 } else if (match_option(option, "-XX:+PrintTLE", &tail)) { | |
| 2952 FLAG_SET_CMDLINE(bool, PrintTLAB, true); | |
| 2953 } else if (match_option(option, "-XX:-PrintTLE", &tail)) { | |
| 2954 FLAG_SET_CMDLINE(bool, PrintTLAB, false); | |
| 2955 } else if (match_option(option, "-XX:TLEFragmentationRatio=", &tail)) { | |
| 2956 // No longer used. | |
| 2957 } else if (match_option(option, "-XX:TLESize=", &tail)) { | |
|
489
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6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
2958 julong long_tlab_size = 0; |
| 0 | 2959 ArgsRange errcode = parse_memory_size(tail, &long_tlab_size, 1); |
| 2960 if (errcode != arg_in_range) { | |
| 2961 jio_fprintf(defaultStream::error_stream(), | |
| 2962 "Invalid TLAB size: %s\n", option->optionString); | |
| 2963 describe_range_error(errcode); | |
| 2964 return JNI_EINVAL; | |
| 2965 } | |
| 2966 FLAG_SET_CMDLINE(uintx, TLABSize, long_tlab_size); | |
| 2967 } else if (match_option(option, "-XX:TLEThreadRatio=", &tail)) { | |
| 2968 // No longer used. | |
| 2969 } else if (match_option(option, "-XX:+UseTLE", &tail)) { | |
| 2970 FLAG_SET_CMDLINE(bool, UseTLAB, true); | |
| 2971 } else if (match_option(option, "-XX:-UseTLE", &tail)) { | |
| 2972 FLAG_SET_CMDLINE(bool, UseTLAB, false); | |
| 2973 } else if (match_option(option, "-XX:+DisplayVMOutputToStderr", &tail)) { | |
| 2974 FLAG_SET_CMDLINE(bool, DisplayVMOutputToStdout, false); | |
| 2975 FLAG_SET_CMDLINE(bool, DisplayVMOutputToStderr, true); | |
| 2976 } else if (match_option(option, "-XX:+DisplayVMOutputToStdout", &tail)) { | |
| 2977 FLAG_SET_CMDLINE(bool, DisplayVMOutputToStderr, false); | |
| 2978 FLAG_SET_CMDLINE(bool, DisplayVMOutputToStdout, true); | |
| 2979 } else if (match_option(option, "-XX:+ExtendedDTraceProbes", &tail)) { | |
| 4006 | 2980 #if defined(DTRACE_ENABLED) |
| 0 | 2981 FLAG_SET_CMDLINE(bool, ExtendedDTraceProbes, true); |
| 2982 FLAG_SET_CMDLINE(bool, DTraceMethodProbes, true); | |
| 2983 FLAG_SET_CMDLINE(bool, DTraceAllocProbes, true); | |
| 2984 FLAG_SET_CMDLINE(bool, DTraceMonitorProbes, true); | |
| 4006 | 2985 #else // defined(DTRACE_ENABLED) |
| 0 | 2986 jio_fprintf(defaultStream::error_stream(), |
| 4006 | 2987 "ExtendedDTraceProbes flag is not applicable for this configuration\n"); |
| 0 | 2988 return JNI_EINVAL; |
| 4006 | 2989 #endif // defined(DTRACE_ENABLED) |
| 0 | 2990 #ifdef ASSERT |
|
1145
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6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
2991 } else if (match_option(option, "-XX:+FullGCALot", &tail)) { |
| 0 | 2992 FLAG_SET_CMDLINE(bool, FullGCALot, true); |
| 2993 // disable scavenge before parallel mark-compact | |
| 2994 FLAG_SET_CMDLINE(bool, ScavengeBeforeFullGC, false); | |
| 2995 #endif | |
|
1145
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ysr
parents:
1074
diff
changeset
|
2996 } else if (match_option(option, "-XX:CMSParPromoteBlocksToClaim=", &tail)) { |
| 0 | 2997 julong cms_blocks_to_claim = (julong)atol(tail); |
| 2998 FLAG_SET_CMDLINE(uintx, CMSParPromoteBlocksToClaim, cms_blocks_to_claim); | |
| 2999 jio_fprintf(defaultStream::error_stream(), | |
|
1145
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3000 "Please use -XX:OldPLABSize in place of " |
|
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3001 "-XX:CMSParPromoteBlocksToClaim in the future\n"); |
|
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3002 } else if (match_option(option, "-XX:ParCMSPromoteBlocksToClaim=", &tail)) { |
|
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3003 julong cms_blocks_to_claim = (julong)atol(tail); |
|
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3004 FLAG_SET_CMDLINE(uintx, CMSParPromoteBlocksToClaim, cms_blocks_to_claim); |
|
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3005 jio_fprintf(defaultStream::error_stream(), |
|
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3006 "Please use -XX:OldPLABSize in place of " |
| 0 | 3007 "-XX:ParCMSPromoteBlocksToClaim in the future\n"); |
|
1145
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3008 } else if (match_option(option, "-XX:ParallelGCOldGenAllocBufferSize=", &tail)) { |
|
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
3009 julong old_plab_size = 0; |
| 0 | 3010 ArgsRange errcode = parse_memory_size(tail, &old_plab_size, 1); |
| 3011 if (errcode != arg_in_range) { | |
| 3012 jio_fprintf(defaultStream::error_stream(), | |
| 3013 "Invalid old PLAB size: %s\n", option->optionString); | |
| 3014 describe_range_error(errcode); | |
| 3015 return JNI_EINVAL; | |
| 3016 } | |
|
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
3017 FLAG_SET_CMDLINE(uintx, OldPLABSize, old_plab_size); |
| 0 | 3018 jio_fprintf(defaultStream::error_stream(), |
| 3019 "Please use -XX:OldPLABSize in place of " | |
| 3020 "-XX:ParallelGCOldGenAllocBufferSize in the future\n"); | |
|
1145
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3021 } else if (match_option(option, "-XX:ParallelGCToSpaceAllocBufferSize=", &tail)) { |
|
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
3022 julong young_plab_size = 0; |
| 0 | 3023 ArgsRange errcode = parse_memory_size(tail, &young_plab_size, 1); |
| 3024 if (errcode != arg_in_range) { | |
| 3025 jio_fprintf(defaultStream::error_stream(), | |
| 3026 "Invalid young PLAB size: %s\n", option->optionString); | |
| 3027 describe_range_error(errcode); | |
| 3028 return JNI_EINVAL; | |
| 3029 } | |
|
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
3030 FLAG_SET_CMDLINE(uintx, YoungPLABSize, young_plab_size); |
| 0 | 3031 jio_fprintf(defaultStream::error_stream(), |
| 3032 "Please use -XX:YoungPLABSize in place of " | |
| 3033 "-XX:ParallelGCToSpaceAllocBufferSize in the future\n"); | |
| 1284 | 3034 } else if (match_option(option, "-XX:CMSMarkStackSize=", &tail) || |
| 3035 match_option(option, "-XX:G1MarkStackSize=", &tail)) { | |
| 3036 julong stack_size = 0; | |
| 3037 ArgsRange errcode = parse_memory_size(tail, &stack_size, 1); | |
| 3038 if (errcode != arg_in_range) { | |
| 3039 jio_fprintf(defaultStream::error_stream(), | |
| 3040 "Invalid mark stack size: %s\n", option->optionString); | |
| 3041 describe_range_error(errcode); | |
| 3042 return JNI_EINVAL; | |
| 3043 } | |
| 3044 FLAG_SET_CMDLINE(uintx, MarkStackSize, stack_size); | |
| 3045 } else if (match_option(option, "-XX:CMSMarkStackSizeMax=", &tail)) { | |
| 3046 julong max_stack_size = 0; | |
| 3047 ArgsRange errcode = parse_memory_size(tail, &max_stack_size, 1); | |
| 3048 if (errcode != arg_in_range) { | |
| 3049 jio_fprintf(defaultStream::error_stream(), | |
| 3050 "Invalid maximum mark stack size: %s\n", | |
| 3051 option->optionString); | |
| 3052 describe_range_error(errcode); | |
| 3053 return JNI_EINVAL; | |
| 3054 } | |
| 3055 FLAG_SET_CMDLINE(uintx, MarkStackSizeMax, max_stack_size); | |
| 3056 } else if (match_option(option, "-XX:ParallelMarkingThreads=", &tail) || | |
| 3057 match_option(option, "-XX:ParallelCMSThreads=", &tail)) { | |
| 3058 uintx conc_threads = 0; | |
| 3059 if (!parse_uintx(tail, &conc_threads, 1)) { | |
| 3060 jio_fprintf(defaultStream::error_stream(), | |
| 3061 "Invalid concurrent threads: %s\n", option->optionString); | |
| 3062 return JNI_EINVAL; | |
| 3063 } | |
| 3064 FLAG_SET_CMDLINE(uintx, ConcGCThreads, conc_threads); | |
|
6199
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3065 } else if (match_option(option, "-XX:MaxDirectMemorySize=", &tail)) { |
|
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3066 julong max_direct_memory_size = 0; |
|
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3067 ArgsRange errcode = parse_memory_size(tail, &max_direct_memory_size, 0); |
|
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3068 if (errcode != arg_in_range) { |
|
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3069 jio_fprintf(defaultStream::error_stream(), |
|
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3070 "Invalid maximum direct memory size: %s\n", |
|
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3071 option->optionString); |
|
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3072 describe_range_error(errcode); |
|
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3073 return JNI_EINVAL; |
|
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3074 } |
|
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3075 FLAG_SET_CMDLINE(uintx, MaxDirectMemorySize, max_direct_memory_size); |
|
6878
85916677fc22
7188233: UseVMInterruptibleIO flag deprecate for JDK8
coleenp
parents:
6857
diff
changeset
|
3076 } else if (match_option(option, "-XX:+UseVMInterruptibleIO", &tail)) { |
|
85916677fc22
7188233: UseVMInterruptibleIO flag deprecate for JDK8
coleenp
parents:
6857
diff
changeset
|
3077 // NOTE! In JDK 9, the UseVMInterruptibleIO flag will completely go |
|
85916677fc22
7188233: UseVMInterruptibleIO flag deprecate for JDK8
coleenp
parents:
6857
diff
changeset
|
3078 // away and will cause VM initialization failures! |
|
85916677fc22
7188233: UseVMInterruptibleIO flag deprecate for JDK8
coleenp
parents:
6857
diff
changeset
|
3079 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
|
3080 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
|
3081 #if !INCLUDE_MANAGEMENT |
|
579f6adb7f51
8003539: Minimal VM don't react to -Dcom.sun.management and -XX:+ManagementServer
jprovino
parents:
8002
diff
changeset
|
3082 } 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
|
3083 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
|
3084 "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
|
3085 return JNI_ERR; |
|
8081
579f6adb7f51
8003539: Minimal VM don't react to -Dcom.sun.management and -XX:+ManagementServer
jprovino
parents:
8002
diff
changeset
|
3086 #endif // INCLUDE_MANAGEMENT |
|
1145
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1074
diff
changeset
|
3087 } else if (match_option(option, "-XX:", &tail)) { // -XX:xxxx |
| 0 | 3088 // Skip -XX:Flags= since that case has already been handled |
| 3089 if (strncmp(tail, "Flags=", strlen("Flags=")) != 0) { | |
| 3090 if (!process_argument(tail, args->ignoreUnrecognized, origin)) { | |
| 3091 return JNI_EINVAL; | |
| 3092 } | |
| 3093 } | |
| 3094 // Unknown option | |
| 3095 } else if (is_bad_option(option, args->ignoreUnrecognized)) { | |
| 3096 return JNI_ERR; | |
| 3097 } | |
| 3098 } | |
|
3767
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
3099 |
|
449
171e581e8161
6554406: Change switch UseVMInterruptibleIO default to false (sol)
xlu
parents:
420
diff
changeset
|
3100 // 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
|
3101 // when working with older JDKs. |
|
1679
3d90023429ec
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
1628
diff
changeset
|
3102 #ifdef LINUX |
|
3d90023429ec
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
1628
diff
changeset
|
3103 if (JDK_Version::current().compare_major(6) <= 0 && |
|
3d90023429ec
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
1628
diff
changeset
|
3104 FLAG_IS_DEFAULT(UseLinuxPosixThreadCPUClocks)) { |
|
3d90023429ec
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
1628
diff
changeset
|
3105 FLAG_SET_DEFAULT(UseLinuxPosixThreadCPUClocks, false); |
|
3d90023429ec
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
1628
diff
changeset
|
3106 } |
|
3d90023429ec
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
1628
diff
changeset
|
3107 #endif // LINUX |
| 0 | 3108 return JNI_OK; |
| 3109 } | |
| 3110 | |
| 3111 jint Arguments::finalize_vm_init_args(SysClassPath* scp_p, bool scp_assembly_required) { | |
| 3112 // This must be done after all -D arguments have been processed. | |
| 3113 scp_p->expand_endorsed(); | |
| 3114 | |
| 3115 if (scp_assembly_required || scp_p->get_endorsed() != NULL) { | |
| 3116 // Assemble the bootclasspath elements into the final path. | |
| 3117 Arguments::set_sysclasspath(scp_p->combined_path()); | |
| 3118 } | |
| 3119 | |
| 3120 // This must be done after all arguments have been processed. | |
| 3121 // java_compiler() true means set to "NONE" or empty. | |
| 3122 if (java_compiler() && !xdebug_mode()) { | |
| 3123 // For backwards compatibility, we switch to interpreted mode if | |
| 3124 // -Djava.compiler="NONE" or "" is specified AND "-Xdebug" was | |
| 3125 // not specified. | |
| 3126 set_mode_flags(_int); | |
| 3127 } | |
| 3128 if (CompileThreshold == 0) { | |
| 3129 set_mode_flags(_int); | |
| 3130 } | |
| 3131 | |
|
10292
acac2b03a07f
8014765: VM exits if MaxTenuringThreshold is set below the default InitialTenuringThreshold, and InitialTenuringThreshold is not set
tschatzl
parents:
10287
diff
changeset
|
3132 // 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
|
3133 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
|
3134 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
|
3135 } |
|
acac2b03a07f
8014765: VM exits if MaxTenuringThreshold is set below the default InitialTenuringThreshold, and InitialTenuringThreshold is not set
tschatzl
parents:
10287
diff
changeset
|
3136 |
| 0 | 3137 #ifndef COMPILER2 |
| 3138 // Don't degrade server performance for footprint | |
| 3139 if (FLAG_IS_DEFAULT(UseLargePages) && | |
| 3140 MaxHeapSize < LargePageHeapSizeThreshold) { | |
| 3141 // No need for large granularity pages w/small heaps. | |
| 3142 // Note that large pages are enabled/disabled for both the | |
| 3143 // Java heap and the code cache. | |
| 3144 FLAG_SET_DEFAULT(UseLargePages, false); | |
| 3145 } | |
|
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
3146 |
|
1251
576e77447e3c
6923002: assert(false,"this call site should not be polymorphic")
kvn
parents:
1188
diff
changeset
|
3147 // Tiered compilation is undefined with C1. |
|
576e77447e3c
6923002: assert(false,"this call site should not be polymorphic")
kvn
parents:
1188
diff
changeset
|
3148 TieredCompilation = false; |
| 0 | 3149 #else |
| 3150 if (!FLAG_IS_DEFAULT(OptoLoopAlignment) && FLAG_IS_DEFAULT(MaxLoopPad)) { | |
| 3151 FLAG_SET_DEFAULT(MaxLoopPad, OptoLoopAlignment-1); | |
| 3152 } | |
| 3153 #endif | |
| 3154 | |
|
1681
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3155 // 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
|
3156 // to be true unless the property has already been set. |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3157 // 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
|
3158 if (os::is_headless_jre()) { |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3159 const char* headless = Arguments::get_property("java.awt.headless"); |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3160 if (headless == NULL) { |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3161 char envbuffer[128]; |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3162 if (!os::getenv("JAVA_AWT_HEADLESS", envbuffer, sizeof(envbuffer))) { |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3163 if (!add_property("java.awt.headless=true")) { |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3164 return JNI_ENOMEM; |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3165 } |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3166 } else { |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3167 char buffer[256]; |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3168 strcpy(buffer, "java.awt.headless="); |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3169 strcat(buffer, envbuffer); |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3170 if (!add_property(buffer)) { |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3171 return JNI_ENOMEM; |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3172 } |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3173 } |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3174 } |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3175 } |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3176 |
| 0 | 3177 if (!check_vm_args_consistency()) { |
| 3178 return JNI_ERR; | |
| 3179 } | |
| 3180 | |
| 3181 return JNI_OK; | |
| 3182 } | |
| 3183 | |
| 3184 jint Arguments::parse_java_options_environment_variable(SysClassPath* scp_p, bool* scp_assembly_required_p) { | |
| 3185 return parse_options_environment_variable("_JAVA_OPTIONS", scp_p, | |
| 3186 scp_assembly_required_p); | |
| 3187 } | |
| 3188 | |
| 3189 jint Arguments::parse_java_tool_options_environment_variable(SysClassPath* scp_p, bool* scp_assembly_required_p) { | |
| 3190 return parse_options_environment_variable("JAVA_TOOL_OPTIONS", scp_p, | |
| 3191 scp_assembly_required_p); | |
| 3192 } | |
| 3193 | |
| 3194 jint Arguments::parse_options_environment_variable(const char* name, SysClassPath* scp_p, bool* scp_assembly_required_p) { | |
| 3195 const int N_MAX_OPTIONS = 64; | |
| 3196 const int OPTION_BUFFER_SIZE = 1024; | |
| 3197 char buffer[OPTION_BUFFER_SIZE]; | |
| 3198 | |
| 3199 // The variable will be ignored if it exceeds the length of the buffer. | |
| 3200 // Don't check this variable if user has special privileges | |
| 3201 // (e.g. unix su command). | |
| 3202 if (os::getenv(name, buffer, sizeof(buffer)) && | |
| 3203 !os::have_special_privileges()) { | |
| 3204 JavaVMOption options[N_MAX_OPTIONS]; // Construct option array | |
| 3205 jio_fprintf(defaultStream::error_stream(), | |
| 3206 "Picked up %s: %s\n", name, buffer); | |
| 3207 char* rd = buffer; // pointer to the input string (rd) | |
| 3208 int i; | |
| 3209 for (i = 0; i < N_MAX_OPTIONS;) { // repeat for all options in the input string | |
| 3210 while (isspace(*rd)) rd++; // skip whitespace | |
| 3211 if (*rd == 0) break; // we re done when the input string is read completely | |
| 3212 | |
| 3213 // The output, option string, overwrites the input string. | |
| 3214 // Because of quoting, the pointer to the option string (wrt) may lag the pointer to | |
| 3215 // input string (rd). | |
| 3216 char* wrt = rd; | |
| 3217 | |
| 3218 options[i++].optionString = wrt; // Fill in option | |
| 3219 while (*rd != 0 && !isspace(*rd)) { // unquoted strings terminate with a space or NULL | |
| 3220 if (*rd == '\'' || *rd == '"') { // handle a quoted string | |
| 3221 int quote = *rd; // matching quote to look for | |
| 3222 rd++; // don't copy open quote | |
| 3223 while (*rd != quote) { // include everything (even spaces) up until quote | |
| 3224 if (*rd == 0) { // string termination means unmatched string | |
| 3225 jio_fprintf(defaultStream::error_stream(), | |
| 3226 "Unmatched quote in %s\n", name); | |
| 3227 return JNI_ERR; | |
| 3228 } | |
| 3229 *wrt++ = *rd++; // copy to option string | |
| 3230 } | |
| 3231 rd++; // don't copy close quote | |
| 3232 } else { | |
| 3233 *wrt++ = *rd++; // copy to option string | |
| 3234 } | |
| 3235 } | |
| 3236 // Need to check if we're done before writing a NULL, | |
| 3237 // because the write could be to the byte that rd is pointing to. | |
| 3238 if (*rd++ == 0) { | |
| 3239 *wrt = 0; | |
| 3240 break; | |
| 3241 } | |
| 3242 *wrt = 0; // Zero terminate option | |
| 3243 } | |
| 3244 // Construct JavaVMInitArgs structure and parse as if it was part of the command line | |
| 3245 JavaVMInitArgs vm_args; | |
| 3246 vm_args.version = JNI_VERSION_1_2; | |
| 3247 vm_args.options = options; | |
| 3248 vm_args.nOptions = i; | |
| 564 | 3249 vm_args.ignoreUnrecognized = IgnoreUnrecognizedVMOptions; |
| 0 | 3250 |
| 3251 if (PrintVMOptions) { | |
| 3252 const char* tail; | |
| 3253 for (int i = 0; i < vm_args.nOptions; i++) { | |
| 3254 const JavaVMOption *option = vm_args.options + i; | |
| 3255 if (match_option(option, "-XX:", &tail)) { | |
| 3256 logOption(tail); | |
| 3257 } | |
| 3258 } | |
| 3259 } | |
| 3260 | |
| 3261 return(parse_each_vm_init_arg(&vm_args, scp_p, scp_assembly_required_p, ENVIRON_VAR)); | |
| 3262 } | |
| 3263 return JNI_OK; | |
| 3264 } | |
| 3265 | |
|
2362
a2c2eac1ca62
7018056: large pages not always enabled by default
jcoomes
parents:
2302
diff
changeset
|
3266 void Arguments::set_shared_spaces_flags() { |
|
10256
64340da5b68c
8007018: RFE: -XX:+UseLargePages does not work with CDS
hseigel
parents:
10172
diff
changeset
|
3267 #ifdef _LP64 |
|
64340da5b68c
8007018: RFE: -XX:+UseLargePages does not work with CDS
hseigel
parents:
10172
diff
changeset
|
3268 const bool must_share = DumpSharedSpaces || RequireSharedSpaces; |
|
64340da5b68c
8007018: RFE: -XX:+UseLargePages does not work with CDS
hseigel
parents:
10172
diff
changeset
|
3269 |
|
64340da5b68c
8007018: RFE: -XX:+UseLargePages does not work with CDS
hseigel
parents:
10172
diff
changeset
|
3270 // CompressedOops cannot be used with CDS. The offsets of oopmaps and |
|
64340da5b68c
8007018: RFE: -XX:+UseLargePages does not work with CDS
hseigel
parents:
10172
diff
changeset
|
3271 // static fields are incorrect in the archive. With some more clever |
|
64340da5b68c
8007018: RFE: -XX:+UseLargePages does not work with CDS
hseigel
parents:
10172
diff
changeset
|
3272 // initialization, this restriction can probably be lifted. |
|
64340da5b68c
8007018: RFE: -XX:+UseLargePages does not work with CDS
hseigel
parents:
10172
diff
changeset
|
3273 if (UseCompressedOops) { |
|
64340da5b68c
8007018: RFE: -XX:+UseLargePages does not work with CDS
hseigel
parents:
10172
diff
changeset
|
3274 if (must_share) { |
|
64340da5b68c
8007018: RFE: -XX:+UseLargePages does not work with CDS
hseigel
parents:
10172
diff
changeset
|
3275 warning("disabling compressed oops because of %s", |
|
64340da5b68c
8007018: RFE: -XX:+UseLargePages does not work with CDS
hseigel
parents:
10172
diff
changeset
|
3276 DumpSharedSpaces ? "-Xshare:dump" : "-Xshare:on"); |
|
64340da5b68c
8007018: RFE: -XX:+UseLargePages does not work with CDS
hseigel
parents:
10172
diff
changeset
|
3277 FLAG_SET_CMDLINE(bool, UseCompressedOops, false); |
|
64340da5b68c
8007018: RFE: -XX:+UseLargePages does not work with CDS
hseigel
parents:
10172
diff
changeset
|
3278 FLAG_SET_CMDLINE(bool, UseCompressedKlassPointers, false); |
|
64340da5b68c
8007018: RFE: -XX:+UseLargePages does not work with CDS
hseigel
parents:
10172
diff
changeset
|
3279 } else { |
|
64340da5b68c
8007018: RFE: -XX:+UseLargePages does not work with CDS
hseigel
parents:
10172
diff
changeset
|
3280 // Prefer compressed oops to class data sharing |
|
64340da5b68c
8007018: RFE: -XX:+UseLargePages does not work with CDS
hseigel
parents:
10172
diff
changeset
|
3281 if (UseSharedSpaces && Verbose) { |
|
64340da5b68c
8007018: RFE: -XX:+UseLargePages does not work with CDS
hseigel
parents:
10172
diff
changeset
|
3282 warning("turning off use of shared archive because of compressed oops"); |
|
64340da5b68c
8007018: RFE: -XX:+UseLargePages does not work with CDS
hseigel
parents:
10172
diff
changeset
|
3283 } |
|
64340da5b68c
8007018: RFE: -XX:+UseLargePages does not work with CDS
hseigel
parents:
10172
diff
changeset
|
3284 no_shared_spaces(); |
|
2362
a2c2eac1ca62
7018056: large pages not always enabled by default
jcoomes
parents:
2302
diff
changeset
|
3285 } |
|
a2c2eac1ca62
7018056: large pages not always enabled by default
jcoomes
parents:
2302
diff
changeset
|
3286 } |
|
10256
64340da5b68c
8007018: RFE: -XX:+UseLargePages does not work with CDS
hseigel
parents:
10172
diff
changeset
|
3287 #endif |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3288 |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3289 if (DumpSharedSpaces) { |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3290 if (RequireSharedSpaces) { |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3291 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
|
3292 } |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3293 UseSharedSpaces = false; |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3294 } |
|
2362
a2c2eac1ca62
7018056: large pages not always enabled by default
jcoomes
parents:
2302
diff
changeset
|
3295 } |
|
1891
9de67bf4244d
6996136: VM crash in src/share/vm/runtime/virtualspace.cpp:424
iveresov
parents:
1890
diff
changeset
|
3296 |
|
3797
eb94b7226b7a
7061192: option handling adjustments for oracle and embedded builds
jcoomes
parents:
3769
diff
changeset
|
3297 // Disable options not supported in this release, with a warning if they |
|
eb94b7226b7a
7061192: option handling adjustments for oracle and embedded builds
jcoomes
parents:
3769
diff
changeset
|
3298 // were explicitly requested on the command-line |
|
eb94b7226b7a
7061192: option handling adjustments for oracle and embedded builds
jcoomes
parents:
3769
diff
changeset
|
3299 #define UNSUPPORTED_OPTION(opt, description) \ |
|
eb94b7226b7a
7061192: option handling adjustments for oracle and embedded builds
jcoomes
parents:
3769
diff
changeset
|
3300 do { \ |
|
eb94b7226b7a
7061192: option handling adjustments for oracle and embedded builds
jcoomes
parents:
3769
diff
changeset
|
3301 if (opt) { \ |
|
eb94b7226b7a
7061192: option handling adjustments for oracle and embedded builds
jcoomes
parents:
3769
diff
changeset
|
3302 if (FLAG_IS_CMDLINE(opt)) { \ |
|
eb94b7226b7a
7061192: option handling adjustments for oracle and embedded builds
jcoomes
parents:
3769
diff
changeset
|
3303 warning(description " is disabled in this release."); \ |
|
eb94b7226b7a
7061192: option handling adjustments for oracle and embedded builds
jcoomes
parents:
3769
diff
changeset
|
3304 } \ |
|
eb94b7226b7a
7061192: option handling adjustments for oracle and embedded builds
jcoomes
parents:
3769
diff
changeset
|
3305 FLAG_SET_DEFAULT(opt, false); \ |
|
eb94b7226b7a
7061192: option handling adjustments for oracle and embedded builds
jcoomes
parents:
3769
diff
changeset
|
3306 } \ |
|
eb94b7226b7a
7061192: option handling adjustments for oracle and embedded builds
jcoomes
parents:
3769
diff
changeset
|
3307 } while(0) |
|
eb94b7226b7a
7061192: option handling adjustments for oracle and embedded builds
jcoomes
parents:
3769
diff
changeset
|
3308 |
|
8086
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3309 |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3310 #define UNSUPPORTED_GC_OPTION(gc) \ |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3311 do { \ |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3312 if (gc) { \ |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3313 if (FLAG_IS_CMDLINE(gc)) { \ |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3314 warning(#gc " is not supported in this VM. Using Serial GC."); \ |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3315 } \ |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3316 FLAG_SET_DEFAULT(gc, false); \ |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3317 } \ |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3318 } while(0) |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3319 |
|
9060
cc32ccaaf47f
8003310: Enable -Wunused-function when compiling with gcc
mikael
parents:
8847
diff
changeset
|
3320 #if !INCLUDE_ALL_GCS |
|
8086
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3321 static void force_serial_gc() { |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3322 FLAG_SET_DEFAULT(UseSerialGC, true); |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3323 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
|
3324 UNSUPPORTED_GC_OPTION(UseG1GC); |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3325 UNSUPPORTED_GC_OPTION(UseParallelGC); |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3326 UNSUPPORTED_GC_OPTION(UseParallelOldGC); |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3327 UNSUPPORTED_GC_OPTION(UseConcMarkSweepGC); |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3328 UNSUPPORTED_GC_OPTION(UseParNewGC); |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3329 } |
|
9060
cc32ccaaf47f
8003310: Enable -Wunused-function when compiling with gcc
mikael
parents:
8847
diff
changeset
|
3330 #endif // INCLUDE_ALL_GCS |
|
8086
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3331 |
|
10270
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3332 // Sharing support |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3333 // Construct the path to the archive |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3334 static char* get_shared_archive_path() { |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3335 char *shared_archive_path; |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3336 if (SharedArchiveFile == NULL) { |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
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10264
diff
changeset
|
3337 char jvm_path[JVM_MAXPATHLEN]; |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3338 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
|
3339 char *end = strrchr(jvm_path, *os::file_separator()); |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
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10264
diff
changeset
|
3340 if (end != NULL) *end = '\0'; |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3341 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
|
3342 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
|
3343 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
|
3344 file_sep_len + 20, mtInternal); |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3345 if (shared_archive_path != NULL) { |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3346 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
|
3347 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
|
3348 strncat(shared_archive_path, "classes.jsa", 11); |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3349 } |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3350 } else { |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3351 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
|
3352 if (shared_archive_path != NULL) { |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3353 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
|
3354 } |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3355 } |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3356 return shared_archive_path; |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3357 } |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3358 |
| 0 | 3359 // Parse entry point called from JNI_CreateJavaVM |
| 3360 | |
| 3361 jint Arguments::parse(const JavaVMInitArgs* args) { | |
| 3362 | |
| 3363 // Remaining part of option string | |
| 3364 const char* tail; | |
| 3365 | |
| 3366 // 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
|
3367 const char* hotspotrc = ".hotspotrc"; |
| 0 | 3368 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
|
3369 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
|
3370 |
| 564 | 3371 const char* flags_file; |
| 0 | 3372 int index; |
| 3373 for (index = 0; index < args->nOptions; index++) { | |
| 3374 const JavaVMOption *option = args->options + index; | |
| 3375 if (match_option(option, "-XX:Flags=", &tail)) { | |
| 564 | 3376 flags_file = tail; |
| 0 | 3377 settings_file_specified = true; |
| 3378 } | |
| 3379 if (match_option(option, "-XX:+PrintVMOptions", &tail)) { | |
| 3380 PrintVMOptions = true; | |
| 3381 } | |
|
253
b0fe4deeb9fb
6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.")
kvn
parents:
196
diff
changeset
|
3382 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
|
3383 PrintVMOptions = false; |
|
b0fe4deeb9fb
6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.")
kvn
parents:
196
diff
changeset
|
3384 } |
| 564 | 3385 if (match_option(option, "-XX:+IgnoreUnrecognizedVMOptions", &tail)) { |
| 3386 IgnoreUnrecognizedVMOptions = true; | |
| 3387 } | |
| 3388 if (match_option(option, "-XX:-IgnoreUnrecognizedVMOptions", &tail)) { | |
| 3389 IgnoreUnrecognizedVMOptions = false; | |
| 3390 } | |
| 1150 | 3391 if (match_option(option, "-XX:+PrintFlagsInitial", &tail)) { |
| 4773 | 3392 CommandLineFlags::printFlags(tty, false); |
| 1150 | 3393 vm_exit(0); |
| 3394 } | |
| 6197 | 3395 if (match_option(option, "-XX:NativeMemoryTracking", &tail)) { |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3396 #if INCLUDE_NMT |
| 6197 | 3397 MemTracker::init_tracking_options(tail); |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3398 #else |
|
8720
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
3399 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
|
3400 "Native Memory Tracking is not supported in this VM\n"); |
|
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
3401 return JNI_ERR; |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3402 #endif |
| 6197 | 3403 } |
| 3404 | |
|
1768
6ee479178066
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
1745
diff
changeset
|
3405 |
|
6ee479178066
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
1745
diff
changeset
|
3406 #ifndef PRODUCT |
|
6ee479178066
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
1745
diff
changeset
|
3407 if (match_option(option, "-XX:+PrintFlagsWithComments", &tail)) { |
| 4773 | 3408 CommandLineFlags::printFlags(tty, true); |
|
1768
6ee479178066
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
1745
diff
changeset
|
3409 vm_exit(0); |
|
6ee479178066
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
1745
diff
changeset
|
3410 } |
|
6ee479178066
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
1745
diff
changeset
|
3411 #endif |
| 564 | 3412 } |
| 3413 | |
| 3414 if (IgnoreUnrecognizedVMOptions) { | |
| 3415 // uncast const to modify the flag args->ignoreUnrecognized | |
| 3416 *(jboolean*)(&args->ignoreUnrecognized) = true; | |
| 3417 } | |
| 3418 | |
| 3419 // Parse specified settings file | |
| 3420 if (settings_file_specified) { | |
| 3421 if (!process_settings_file(flags_file, true, args->ignoreUnrecognized)) { | |
| 3422 return JNI_EINVAL; | |
| 3423 } | |
|
6196
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3424 } else { |
|
6150
1e76463170b3
7110720: Issue with vm config file loadingIssue with vm config file loading
kamg
parents:
4780
diff
changeset
|
3425 #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
|
3426 // Parse default .hotspotrc settings file |
| 0 | 3427 if (!process_settings_file(".hotspotrc", false, args->ignoreUnrecognized)) { |
| 3428 return JNI_EINVAL; | |
| 3429 } | |
|
6196
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3430 #else |
|
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3431 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
|
3432 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
|
3433 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
|
3434 } |
|
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3435 #endif |
| 0 | 3436 } |
| 3437 | |
| 3438 if (PrintVMOptions) { | |
| 3439 for (index = 0; index < args->nOptions; index++) { | |
| 3440 const JavaVMOption *option = args->options + index; | |
| 3441 if (match_option(option, "-XX:", &tail)) { | |
| 3442 logOption(tail); | |
| 3443 } | |
| 3444 } | |
| 3445 } | |
| 3446 | |
| 3447 // Parse JavaVMInitArgs structure passed in, as well as JAVA_TOOL_OPTIONS and _JAVA_OPTIONS | |
| 3448 jint result = parse_vm_init_args(args); | |
| 3449 if (result != JNI_OK) { | |
| 3450 return result; | |
| 3451 } | |
| 3452 | |
|
10270
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3453 // 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
|
3454 SharedArchivePath = get_shared_archive_path(); |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3455 if (SharedArchivePath == NULL) { |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3456 return JNI_ENOMEM; |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3457 } |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3458 |
|
6196
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3459 // 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
|
3460 // 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
|
3461 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
|
3462 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
|
3463 "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
|
3464 hotspotrc, hotspotrc); |
|
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3465 } |
|
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3466 |
|
6917
e81fbc04a942
7191817: -XX:+UseSerialGC -XX:+UseLargePages crashes with SIGFPE on MacOS X
coleenp
parents:
6916
diff
changeset
|
3467 #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
|
3468 UNSUPPORTED_OPTION(UseLargePages, "-XX:+UseLargePages"); |
|
e81fbc04a942
7191817: -XX:+UseSerialGC -XX:+UseLargePages crashes with SIGFPE on MacOS X
coleenp
parents:
6916
diff
changeset
|
3469 #endif |
|
e81fbc04a942
7191817: -XX:+UseSerialGC -XX:+UseLargePages crashes with SIGFPE on MacOS X
coleenp
parents:
6916
diff
changeset
|
3470 |
|
8086
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3471 #if INCLUDE_ALL_GCS |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3472 #if (defined JAVASE_EMBEDDED || defined ARM) |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3473 UNSUPPORTED_OPTION(UseG1GC, "G1 GC"); |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3474 #endif |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3475 #endif |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3476 |
| 0 | 3477 #ifndef PRODUCT |
| 3478 if (TraceBytecodesAt != 0) { | |
| 3479 TraceBytecodes = true; | |
| 3480 } | |
| 3481 if (CountCompiledCalls) { | |
| 3482 if (UseCounterDecay) { | |
| 3483 warning("UseCounterDecay disabled because CountCalls is set"); | |
| 3484 UseCounterDecay = false; | |
| 3485 } | |
| 3486 } | |
| 3487 #endif // PRODUCT | |
| 3488 | |
|
2416
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3489 // 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
|
3490 if (!JDK_Version::is_gte_jdk17x_version()) { |
|
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3491 if (EnableInvokeDynamic) { |
|
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3492 if (!FLAG_IS_DEFAULT(EnableInvokeDynamic)) { |
|
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3493 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
|
3494 } |
|
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3495 EnableInvokeDynamic = false; |
| 710 | 3496 } |
| 3497 } | |
|
2416
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3498 |
|
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3499 if (EnableInvokeDynamic && ScavengeRootsInCode == 0) { |
|
989
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
932
diff
changeset
|
3500 if (!FLAG_IS_DEFAULT(ScavengeRootsInCode)) { |
|
2416
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3501 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
|
3502 } |
|
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
932
diff
changeset
|
3503 ScavengeRootsInCode = 1; |
|
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
932
diff
changeset
|
3504 } |
| 710 | 3505 |
| 0 | 3506 if (PrintGCDetails) { |
| 3507 // Turn on -verbose:gc options as well | |
| 3508 PrintGC = true; | |
| 3509 } | |
| 3510 | |
|
6064
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
3511 if (!JDK_Version::is_gte_jdk18x_version()) { |
|
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
3512 // 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
|
3513 // true by default in JDK8 and above. |
|
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
3514 if (FLAG_IS_DEFAULT(PrintGCCause)) { |
|
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
3515 FLAG_SET_DEFAULT(PrintGCCause, false); |
|
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
3516 } |
|
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
3517 } |
|
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
3518 |
|
1571
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
3519 // 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
|
3520 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
|
3521 |
|
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
3522 #if !INCLUDE_ALL_GCS |
| 1064 | 3523 force_serial_gc(); |
|
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
3524 #endif // INCLUDE_ALL_GCS |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3525 #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
|
3526 if (DumpSharedSpaces || RequireSharedSpaces) { |
|
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
3527 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
|
3528 "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
|
3529 return JNI_ERR; |
|
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
3530 } |
|
8724
69ffa4ac9e53
8009835: Only produce a warning when -Xshare:auto is explicitly requested
jprovino
parents:
8720
diff
changeset
|
3531 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
|
3532 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
|
3533 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
|
3534 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
|
3535 } |
| 0 | 3536 no_shared_spaces(); |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3537 #endif // INCLUDE_CDS |
| 0 | 3538 |
| 3539 // Set flags based on ergonomics. | |
| 3540 set_ergonomics_flags(); | |
| 3541 | |
|
2362
a2c2eac1ca62
7018056: large pages not always enabled by default
jcoomes
parents:
2302
diff
changeset
|
3542 set_shared_spaces_flags(); |
|
1135
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1131
diff
changeset
|
3543 |
|
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
3544 // Check the GC selections again. |
|
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
3545 if (!check_gc_consistency()) { |
|
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
3546 return JNI_EINVAL; |
|
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
3547 } |
|
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
3548 |
| 1783 | 3549 if (TieredCompilation) { |
| 3550 set_tiered_flags(); | |
| 3551 } else { | |
| 3552 // Check if the policy is valid. Policies 0 and 1 are valid for non-tiered setup. | |
| 3553 if (CompilationPolicyChoice >= 2) { | |
| 3554 vm_exit_during_initialization( | |
| 3555 "Incompatible compilation policy selected", NULL); | |
| 3556 } | |
| 3557 } | |
| 3558 | |
|
10990
0abfeed51c9e
8012265: VM often crashes on solaris with a lot of memory
brutisso
parents:
10392
diff
changeset
|
3559 set_heap_base_min_address(); |
|
0abfeed51c9e
8012265: VM often crashes on solaris with a lot of memory
brutisso
parents:
10392
diff
changeset
|
3560 |
|
2368
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
3561 // Set heap size based on available physical memory |
|
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
3562 set_heap_size(); |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3563 |
|
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
3564 #if INCLUDE_ALL_GCS |
|
2368
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
3565 // Set per-collector flags |
|
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
3566 if (UseParallelGC || UseParallelOldGC) { |
|
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
3567 set_parallel_gc_flags(); |
|
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
3568 } 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
|
3569 set_cms_and_parnew_gc_flags(); |
|
2368
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
3570 } else if (UseParNewGC) { // skipped if CMS is set above |
|
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
3571 set_parnew_gc_flags(); |
|
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
3572 } else if (UseG1GC) { |
|
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
3573 set_g1_gc_flags(); |
|
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
3574 } |
|
7452
e0ab18eafbde
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
7451
diff
changeset
|
3575 check_deprecated_gcs(); |
| 8734 | 3576 check_deprecated_gc_flags(); |
|
8845
1b90c7607451
2178143: JVM crashes if the number of bound CPUs changed during runtime
minqi
parents:
8819
diff
changeset
|
3577 if (AssumeMP && !UseSerialGC) { |
|
1b90c7607451
2178143: JVM crashes if the number of bound CPUs changed during runtime
minqi
parents:
8819
diff
changeset
|
3578 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
|
3579 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
|
3580 " 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
|
3581 " using -XX:ParallelGCThreads=N"); |
|
1b90c7607451
2178143: JVM crashes if the number of bound CPUs changed during runtime
minqi
parents:
8819
diff
changeset
|
3582 } |
|
1b90c7607451
2178143: JVM crashes if the number of bound CPUs changed during runtime
minqi
parents:
8819
diff
changeset
|
3583 } |
|
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
3584 #else // INCLUDE_ALL_GCS |
| 0 | 3585 assert(verify_serial_gc_flags(), "SerialGC unset"); |
|
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
3586 #endif // INCLUDE_ALL_GCS |
| 0 | 3587 |
| 3588 // Set bytecode rewriting flags | |
| 3589 set_bytecode_flags(); | |
| 3590 | |
| 3591 // Set flags if Aggressive optimization flags (-XX:+AggressiveOpts) enabled. | |
| 3592 set_aggressive_opts_flags(); | |
| 3593 | |
|
2239
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3594 // Turn off biased locking for locking debug mode flags, |
|
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3595 // 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
|
3596 // biased locking. |
| 2331 | 3597 if (UseHeavyMonitors |
| 3598 #ifdef COMPILER1 | |
| 3599 || !UseFastLocking | |
| 3600 #endif // COMPILER1 | |
| 3601 ) { | |
|
2239
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3602 if (!FLAG_IS_DEFAULT(UseBiasedLocking) && UseBiasedLocking) { |
|
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3603 // 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
|
3604 // can't enable biased locking here |
|
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3605 warning("Biased Locking is not supported with locking debug flags" |
|
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3606 "; ignoring UseBiasedLocking flag." ); |
|
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3607 } |
|
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3608 UseBiasedLocking = false; |
|
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3609 } |
|
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3610 |
| 0 | 3611 #ifdef CC_INTERP |
| 1131 | 3612 // Clear flags not supported by the C++ interpreter |
| 3613 FLAG_SET_DEFAULT(ProfileInterpreter, false); | |
| 0 | 3614 FLAG_SET_DEFAULT(UseBiasedLocking, false); |
| 1131 | 3615 LP64_ONLY(FLAG_SET_DEFAULT(UseCompressedOops, false)); |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3616 LP64_ONLY(FLAG_SET_DEFAULT(UseCompressedKlassPointers, false)); |
| 1131 | 3617 #endif // CC_INTERP |
| 3618 | |
|
420
a1980da045cc
6462850: generate biased locking code in C2 ideal graph
kvn
parents:
416
diff
changeset
|
3619 #ifdef COMPILER2 |
|
a1980da045cc
6462850: generate biased locking code in C2 ideal graph
kvn
parents:
416
diff
changeset
|
3620 if (!UseBiasedLocking || EmitSync != 0) { |
|
a1980da045cc
6462850: generate biased locking code in C2 ideal graph
kvn
parents:
416
diff
changeset
|
3621 UseOptoBiasInlining = false; |
|
a1980da045cc
6462850: generate biased locking code in C2 ideal graph
kvn
parents:
416
diff
changeset
|
3622 } |
| 4777 | 3623 if (!EliminateLocks) { |
| 3624 EliminateNestedLocks = false; | |
| 3625 } | |
| 7473 | 3626 if (!Inline) { |
| 3627 IncrementalInline = false; | |
| 3628 } | |
| 3629 #ifndef PRODUCT | |
| 3630 if (!IncrementalInline) { | |
| 3631 AlwaysIncrementalInline = false; | |
| 3632 } | |
| 3633 #endif | |
| 3634 if (IncrementalInline && FLAG_IS_DEFAULT(MaxNodeLimit)) { | |
| 3635 // incremental inlining: bump MaxNodeLimit | |
| 3636 FLAG_SET_DEFAULT(MaxNodeLimit, (intx)75000); | |
| 3637 } | |
|
420
a1980da045cc
6462850: generate biased locking code in C2 ideal graph
kvn
parents:
416
diff
changeset
|
3638 #endif |
|
a1980da045cc
6462850: generate biased locking code in C2 ideal graph
kvn
parents:
416
diff
changeset
|
3639 |
|
1155
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1150
diff
changeset
|
3640 if (PrintAssembly && FLAG_IS_DEFAULT(DebugNonSafepoints)) { |
|
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1150
diff
changeset
|
3641 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
|
3642 DebugNonSafepoints = true; |
|
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1150
diff
changeset
|
3643 } |
|
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1150
diff
changeset
|
3644 |
|
1188
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
3645 #ifndef PRODUCT |
|
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
3646 if (CompileTheWorld) { |
|
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
3647 // 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
|
3648 if (FLAG_IS_DEFAULT(NmethodSweepFraction)) { |
|
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
3649 NmethodSweepFraction = 1; |
|
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
3650 } |
|
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
3651 } |
|
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
3652 #endif |
|
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
3653 |
| 0 | 3654 if (PrintCommandLineFlags) { |
| 4773 | 3655 CommandLineFlags::printSetFlags(tty); |
| 0 | 3656 } |
| 3657 | |
|
1681
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3658 // Apply CPU specific policy for the BiasedLocking |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3659 if (UseBiasedLocking) { |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3660 if (!VM_Version::use_biased_locking() && |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3661 !(FLAG_IS_CMDLINE(UseBiasedLocking))) { |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3662 UseBiasedLocking = false; |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3663 } |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3664 } |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3665 |
|
2302
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
3666 // 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
|
3667 // 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
|
3668 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
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3669 bool set = false; |
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3670 CommandLineFlags::wasSetOnCmdline("PauseAtExit", &set); |
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3671 if (!set) { |
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3672 FLAG_SET_DEFAULT(PauseAtExit, true); |
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3673 } |
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3674 } |
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3675 |
| 0 | 3676 return JNI_OK; |
| 3677 } | |
| 3678 | |
|
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3679 jint Arguments::adjust_after_os() { |
|
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3680 #if INCLUDE_ALL_GCS |
|
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3681 if (UseParallelGC || UseParallelOldGC) { |
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3682 if (UseNUMA) { |
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3683 if (FLAG_IS_DEFAULT(MinHeapDeltaBytes)) { |
|
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3684 FLAG_SET_DEFAULT(MinHeapDeltaBytes, 64*M); |
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3685 } |
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3686 // For those collectors or operating systems (eg, Windows) that do |
|
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3687 // not support full UseNUMA, we will map to UseNUMAInterleaving for now |
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3688 UseNUMAInterleaving = true; |
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3689 } |
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3690 } |
|
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3691 #endif // INCLUDE_ALL_GCS |
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3692 return JNI_OK; |
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3693 } |
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3694 |
| 0 | 3695 int Arguments::PropertyList_count(SystemProperty* pl) { |
| 3696 int count = 0; | |
| 3697 while(pl != NULL) { | |
| 3698 count++; | |
| 3699 pl = pl->next(); | |
| 3700 } | |
| 3701 return count; | |
| 3702 } | |
| 3703 | |
| 3704 const char* Arguments::PropertyList_get_value(SystemProperty *pl, const char* key) { | |
| 3705 assert(key != NULL, "just checking"); | |
| 3706 SystemProperty* prop; | |
| 3707 for (prop = pl; prop != NULL; prop = prop->next()) { | |
| 3708 if (strcmp(key, prop->key()) == 0) return prop->value(); | |
| 3709 } | |
| 3710 return NULL; | |
| 3711 } | |
| 3712 | |
| 3713 const char* Arguments::PropertyList_get_key_at(SystemProperty *pl, int index) { | |
| 3714 int count = 0; | |
| 3715 const char* ret_val = NULL; | |
| 3716 | |
| 3717 while(pl != NULL) { | |
| 3718 if(count >= index) { | |
| 3719 ret_val = pl->key(); | |
| 3720 break; | |
| 3721 } | |
| 3722 count++; | |
| 3723 pl = pl->next(); | |
| 3724 } | |
| 3725 | |
| 3726 return ret_val; | |
| 3727 } | |
| 3728 | |
| 3729 char* Arguments::PropertyList_get_value_at(SystemProperty* pl, int index) { | |
| 3730 int count = 0; | |
| 3731 char* ret_val = NULL; | |
| 3732 | |
| 3733 while(pl != NULL) { | |
| 3734 if(count >= index) { | |
| 3735 ret_val = pl->value(); | |
| 3736 break; | |
| 3737 } | |
| 3738 count++; | |
| 3739 pl = pl->next(); | |
| 3740 } | |
| 3741 | |
| 3742 return ret_val; | |
| 3743 } | |
| 3744 | |
| 3745 void Arguments::PropertyList_add(SystemProperty** plist, SystemProperty *new_p) { | |
| 3746 SystemProperty* p = *plist; | |
| 3747 if (p == NULL) { | |
| 3748 *plist = new_p; | |
| 3749 } else { | |
| 3750 while (p->next() != NULL) { | |
| 3751 p = p->next(); | |
| 3752 } | |
| 3753 p->set_next(new_p); | |
| 3754 } | |
| 3755 } | |
| 3756 | |
| 3757 void Arguments::PropertyList_add(SystemProperty** plist, const char* k, char* v) { | |
| 3758 if (plist == NULL) | |
| 3759 return; | |
| 3760 | |
| 3761 SystemProperty* new_p = new SystemProperty(k, v, true); | |
| 3762 PropertyList_add(plist, new_p); | |
| 3763 } | |
| 3764 | |
| 3765 // This add maintains unique property key in the list. | |
| 691 | 3766 void Arguments::PropertyList_unique_add(SystemProperty** plist, const char* k, char* v, jboolean append) { |
| 0 | 3767 if (plist == NULL) |
| 3768 return; | |
| 3769 | |
| 3770 // If property key exist then update with new value. | |
| 3771 SystemProperty* prop; | |
| 3772 for (prop = *plist; prop != NULL; prop = prop->next()) { | |
| 3773 if (strcmp(k, prop->key()) == 0) { | |
| 691 | 3774 if (append) { |
| 3775 prop->append_value(v); | |
| 3776 } else { | |
| 3777 prop->set_value(v); | |
| 3778 } | |
| 0 | 3779 return; |
| 3780 } | |
| 3781 } | |
| 3782 | |
| 3783 PropertyList_add(plist, k, v); | |
| 3784 } | |
| 3785 | |
| 3786 // Copies src into buf, replacing "%%" with "%" and "%p" with pid | |
| 3787 // Returns true if all of the source pointed by src has been copied over to | |
| 3788 // the destination buffer pointed by buf. Otherwise, returns false. | |
| 3789 // Notes: | |
| 3790 // 1. If the length (buflen) of the destination buffer excluding the | |
| 3791 // NULL terminator character is not long enough for holding the expanded | |
| 3792 // pid characters, it also returns false instead of returning the partially | |
| 3793 // expanded one. | |
| 3794 // 2. The passed in "buflen" should be large enough to hold the null terminator. | |
| 3795 bool Arguments::copy_expand_pid(const char* src, size_t srclen, | |
| 3796 char* buf, size_t buflen) { | |
| 3797 const char* p = src; | |
| 3798 char* b = buf; | |
| 3799 const char* src_end = &src[srclen]; | |
| 3800 char* buf_end = &buf[buflen - 1]; | |
| 3801 | |
| 3802 while (p < src_end && b < buf_end) { | |
| 3803 if (*p == '%') { | |
| 3804 switch (*(++p)) { | |
| 3805 case '%': // "%%" ==> "%" | |
| 3806 *b++ = *p++; | |
| 3807 break; | |
| 3808 case 'p': { // "%p" ==> current process id | |
| 3809 // buf_end points to the character before the last character so | |
| 3810 // that we could write '\0' to the end of the buffer. | |
| 3811 size_t buf_sz = buf_end - b + 1; | |
| 3812 int ret = jio_snprintf(b, buf_sz, "%d", os::current_process_id()); | |
| 3813 | |
| 3814 // if jio_snprintf fails or the buffer is not long enough to hold | |
| 3815 // the expanded pid, returns false. | |
| 3816 if (ret < 0 || ret >= (int)buf_sz) { | |
| 3817 return false; | |
| 3818 } else { | |
| 3819 b += ret; | |
| 3820 assert(*b == '\0', "fail in copy_expand_pid"); | |
| 3821 if (p == src_end && b == buf_end + 1) { | |
| 3822 // reach the end of the buffer. | |
| 3823 return true; | |
| 3824 } | |
| 3825 } | |
| 3826 p++; | |
| 3827 break; | |
| 3828 } | |
| 3829 default : | |
| 3830 *b++ = '%'; | |
| 3831 } | |
| 3832 } else { | |
| 3833 *b++ = *p++; | |
| 3834 } | |
| 3835 } | |
| 3836 *b = '\0'; | |
| 3837 return (p == src_end); // return false if not all of the source was copied | |
| 3838 } |