Mercurial > hg > truffle
annotate src/share/vm/runtime/arguments.cpp @ 11079:738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
Summary: Introduce a minimum code cache size that guarantees that the VM can startup.
Reviewed-by: kvn, twisti
| author | anoll |
|---|---|
| date | Tue, 02 Jul 2013 07:51:31 +0200 |
| parents | b88209cf98c0 |
| children | 8b789ce47503 |
| 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 #ifdef PRODUCT |
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265 { "DesiredMethodLimit", |
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266 JDK_Version::jdk_update(7, 2), JDK_Version::jdk(8) }, |
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267 #endif // PRODUCT |
| 242 | 268 { NULL, JDK_Version(0), JDK_Version(0) } |
| 269 }; | |
| 270 | |
| 271 // Returns true if the flag is obsolete and fits into the range specified | |
| 272 // for being ignored. In the case that the flag is ignored, the 'version' | |
| 273 // value is filled in with the version number when the flag became | |
| 274 // obsolete so that that value can be displayed to the user. | |
| 275 bool Arguments::is_newly_obsolete(const char *s, JDK_Version* version) { | |
| 0 | 276 int i = 0; |
| 242 | 277 assert(version != NULL, "Must provide a version buffer"); |
| 278 while (obsolete_jvm_flags[i].name != NULL) { | |
| 279 const ObsoleteFlag& flag_status = obsolete_jvm_flags[i]; | |
| 0 | 280 // <flag>=xxx form |
| 281 // [-|+]<flag> form | |
| 242 | 282 if ((strncmp(flag_status.name, s, strlen(flag_status.name)) == 0) || |
| 0 | 283 ((s[0] == '+' || s[0] == '-') && |
| 242 | 284 (strncmp(flag_status.name, &s[1], strlen(flag_status.name)) == 0))) { |
| 285 if (JDK_Version::current().compare(flag_status.accept_until) == -1) { | |
| 286 *version = flag_status.obsoleted_in; | |
| 287 return true; | |
| 288 } | |
| 0 | 289 } |
| 290 i++; | |
| 291 } | |
| 292 return false; | |
| 293 } | |
| 294 | |
| 295 // Constructs the system class path (aka boot class path) from the following | |
| 296 // components, in order: | |
| 297 // | |
| 298 // prefix // from -Xbootclasspath/p:... | |
| 299 // endorsed // the expansion of -Djava.endorsed.dirs=... | |
| 300 // base // from os::get_system_properties() or -Xbootclasspath= | |
| 301 // suffix // from -Xbootclasspath/a:... | |
| 302 // | |
| 303 // java.endorsed.dirs is a list of directories; any jar or zip files in the | |
| 304 // directories are added to the sysclasspath just before the base. | |
| 305 // | |
| 306 // This could be AllStatic, but it isn't needed after argument processing is | |
| 307 // complete. | |
| 308 class SysClassPath: public StackObj { | |
| 309 public: | |
| 310 SysClassPath(const char* base); | |
| 311 ~SysClassPath(); | |
| 312 | |
| 313 inline void set_base(const char* base); | |
| 314 inline void add_prefix(const char* prefix); | |
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315 inline void add_suffix_to_prefix(const char* suffix); |
| 0 | 316 inline void add_suffix(const char* suffix); |
| 317 inline void reset_path(const char* base); | |
| 318 | |
| 319 // Expand the jar/zip files in each directory listed by the java.endorsed.dirs | |
| 320 // property. Must be called after all command-line arguments have been | |
| 321 // processed (in particular, -Djava.endorsed.dirs=...) and before calling | |
| 322 // combined_path(). | |
| 323 void expand_endorsed(); | |
| 324 | |
| 325 inline const char* get_base() const { return _items[_scp_base]; } | |
| 326 inline const char* get_prefix() const { return _items[_scp_prefix]; } | |
| 327 inline const char* get_suffix() const { return _items[_scp_suffix]; } | |
| 328 inline const char* get_endorsed() const { return _items[_scp_endorsed]; } | |
| 329 | |
| 330 // Combine all the components into a single c-heap-allocated string; caller | |
| 331 // must free the string if/when no longer needed. | |
| 332 char* combined_path(); | |
| 333 | |
| 334 private: | |
| 335 // Utility routines. | |
| 336 static char* add_to_path(const char* path, const char* str, bool prepend); | |
| 337 static char* add_jars_to_path(char* path, const char* directory); | |
| 338 | |
| 339 inline void reset_item_at(int index); | |
| 340 | |
| 341 // Array indices for the items that make up the sysclasspath. All except the | |
| 342 // base are allocated in the C heap and freed by this class. | |
| 343 enum { | |
| 344 _scp_prefix, // from -Xbootclasspath/p:... | |
| 345 _scp_endorsed, // the expansion of -Djava.endorsed.dirs=... | |
| 346 _scp_base, // the default sysclasspath | |
| 347 _scp_suffix, // from -Xbootclasspath/a:... | |
| 348 _scp_nitems // the number of items, must be last. | |
| 349 }; | |
| 350 | |
| 351 const char* _items[_scp_nitems]; | |
| 352 DEBUG_ONLY(bool _expansion_done;) | |
| 353 }; | |
| 354 | |
| 355 SysClassPath::SysClassPath(const char* base) { | |
| 356 memset(_items, 0, sizeof(_items)); | |
| 357 _items[_scp_base] = base; | |
| 358 DEBUG_ONLY(_expansion_done = false;) | |
| 359 } | |
| 360 | |
| 361 SysClassPath::~SysClassPath() { | |
| 362 // Free everything except the base. | |
| 363 for (int i = 0; i < _scp_nitems; ++i) { | |
| 364 if (i != _scp_base) reset_item_at(i); | |
| 365 } | |
| 366 DEBUG_ONLY(_expansion_done = false;) | |
| 367 } | |
| 368 | |
| 369 inline void SysClassPath::set_base(const char* base) { | |
| 370 _items[_scp_base] = base; | |
| 371 } | |
| 372 | |
| 373 inline void SysClassPath::add_prefix(const char* prefix) { | |
| 374 _items[_scp_prefix] = add_to_path(_items[_scp_prefix], prefix, true); | |
| 375 } | |
| 376 | |
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377 inline void SysClassPath::add_suffix_to_prefix(const char* suffix) { |
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378 _items[_scp_prefix] = add_to_path(_items[_scp_prefix], suffix, false); |
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379 } |
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380 |
| 0 | 381 inline void SysClassPath::add_suffix(const char* suffix) { |
| 382 _items[_scp_suffix] = add_to_path(_items[_scp_suffix], suffix, false); | |
| 383 } | |
| 384 | |
| 385 inline void SysClassPath::reset_item_at(int index) { | |
| 386 assert(index < _scp_nitems && index != _scp_base, "just checking"); | |
| 387 if (_items[index] != NULL) { | |
| 6197 | 388 FREE_C_HEAP_ARRAY(char, _items[index], mtInternal); |
| 0 | 389 _items[index] = NULL; |
| 390 } | |
| 391 } | |
| 392 | |
| 393 inline void SysClassPath::reset_path(const char* base) { | |
| 394 // Clear the prefix and suffix. | |
| 395 reset_item_at(_scp_prefix); | |
| 396 reset_item_at(_scp_suffix); | |
| 397 set_base(base); | |
| 398 } | |
| 399 | |
| 400 //------------------------------------------------------------------------------ | |
| 401 | |
| 402 void SysClassPath::expand_endorsed() { | |
| 403 assert(_items[_scp_endorsed] == NULL, "can only be called once."); | |
| 404 | |
| 405 const char* path = Arguments::get_property("java.endorsed.dirs"); | |
| 406 if (path == NULL) { | |
| 407 path = Arguments::get_endorsed_dir(); | |
| 408 assert(path != NULL, "no default for java.endorsed.dirs"); | |
| 409 } | |
| 410 | |
| 411 char* expanded_path = NULL; | |
| 412 const char separator = *os::path_separator(); | |
| 413 const char* const end = path + strlen(path); | |
| 414 while (path < end) { | |
| 415 const char* tmp_end = strchr(path, separator); | |
| 416 if (tmp_end == NULL) { | |
| 417 expanded_path = add_jars_to_path(expanded_path, path); | |
| 418 path = end; | |
| 419 } else { | |
| 6197 | 420 char* dirpath = NEW_C_HEAP_ARRAY(char, tmp_end - path + 1, mtInternal); |
| 0 | 421 memcpy(dirpath, path, tmp_end - path); |
| 422 dirpath[tmp_end - path] = '\0'; | |
| 423 expanded_path = add_jars_to_path(expanded_path, dirpath); | |
| 6197 | 424 FREE_C_HEAP_ARRAY(char, dirpath, mtInternal); |
| 0 | 425 path = tmp_end + 1; |
| 426 } | |
| 427 } | |
| 428 _items[_scp_endorsed] = expanded_path; | |
| 429 DEBUG_ONLY(_expansion_done = true;) | |
| 430 } | |
| 431 | |
| 432 // Combine the bootclasspath elements, some of which may be null, into a single | |
| 433 // c-heap-allocated string. | |
| 434 char* SysClassPath::combined_path() { | |
| 435 assert(_items[_scp_base] != NULL, "empty default sysclasspath"); | |
| 436 assert(_expansion_done, "must call expand_endorsed() first."); | |
| 437 | |
| 438 size_t lengths[_scp_nitems]; | |
| 439 size_t total_len = 0; | |
| 440 | |
| 441 const char separator = *os::path_separator(); | |
| 442 | |
| 443 // Get the lengths. | |
| 444 int i; | |
| 445 for (i = 0; i < _scp_nitems; ++i) { | |
| 446 if (_items[i] != NULL) { | |
| 447 lengths[i] = strlen(_items[i]); | |
| 448 // Include space for the separator char (or a NULL for the last item). | |
| 449 total_len += lengths[i] + 1; | |
| 450 } | |
| 451 } | |
| 452 assert(total_len > 0, "empty sysclasspath not allowed"); | |
| 453 | |
| 454 // Copy the _items to a single string. | |
| 6197 | 455 char* cp = NEW_C_HEAP_ARRAY(char, total_len, mtInternal); |
| 0 | 456 char* cp_tmp = cp; |
| 457 for (i = 0; i < _scp_nitems; ++i) { | |
| 458 if (_items[i] != NULL) { | |
| 459 memcpy(cp_tmp, _items[i], lengths[i]); | |
| 460 cp_tmp += lengths[i]; | |
| 461 *cp_tmp++ = separator; | |
| 462 } | |
| 463 } | |
| 464 *--cp_tmp = '\0'; // Replace the extra separator. | |
| 465 return cp; | |
| 466 } | |
| 467 | |
| 468 // Note: path must be c-heap-allocated (or NULL); it is freed if non-null. | |
| 469 char* | |
| 470 SysClassPath::add_to_path(const char* path, const char* str, bool prepend) { | |
| 471 char *cp; | |
| 472 | |
| 473 assert(str != NULL, "just checking"); | |
| 474 if (path == NULL) { | |
| 475 size_t len = strlen(str) + 1; | |
| 6197 | 476 cp = NEW_C_HEAP_ARRAY(char, len, mtInternal); |
| 0 | 477 memcpy(cp, str, len); // copy the trailing null |
| 478 } else { | |
| 479 const char separator = *os::path_separator(); | |
| 480 size_t old_len = strlen(path); | |
| 481 size_t str_len = strlen(str); | |
| 482 size_t len = old_len + str_len + 2; | |
| 483 | |
| 484 if (prepend) { | |
| 6197 | 485 cp = NEW_C_HEAP_ARRAY(char, len, mtInternal); |
| 0 | 486 char* cp_tmp = cp; |
| 487 memcpy(cp_tmp, str, str_len); | |
| 488 cp_tmp += str_len; | |
| 489 *cp_tmp = separator; | |
| 490 memcpy(++cp_tmp, path, old_len + 1); // copy the trailing null | |
| 6197 | 491 FREE_C_HEAP_ARRAY(char, path, mtInternal); |
| 0 | 492 } else { |
| 6197 | 493 cp = REALLOC_C_HEAP_ARRAY(char, path, len, mtInternal); |
| 0 | 494 char* cp_tmp = cp + old_len; |
| 495 *cp_tmp = separator; | |
| 496 memcpy(++cp_tmp, str, str_len + 1); // copy the trailing null | |
| 497 } | |
| 498 } | |
| 499 return cp; | |
| 500 } | |
| 501 | |
| 502 // Scan the directory and append any jar or zip files found to path. | |
| 503 // Note: path must be c-heap-allocated (or NULL); it is freed if non-null. | |
| 504 char* SysClassPath::add_jars_to_path(char* path, const char* directory) { | |
| 505 DIR* dir = os::opendir(directory); | |
| 506 if (dir == NULL) return path; | |
| 507 | |
| 508 char dir_sep[2] = { '\0', '\0' }; | |
| 509 size_t directory_len = strlen(directory); | |
| 510 const char fileSep = *os::file_separator(); | |
| 511 if (directory[directory_len - 1] != fileSep) dir_sep[0] = fileSep; | |
| 512 | |
| 513 /* Scan the directory for jars/zips, appending them to path. */ | |
| 514 struct dirent *entry; | |
| 6197 | 515 char *dbuf = NEW_C_HEAP_ARRAY(char, os::readdir_buf_size(directory), mtInternal); |
| 0 | 516 while ((entry = os::readdir(dir, (dirent *) dbuf)) != NULL) { |
| 517 const char* name = entry->d_name; | |
| 518 const char* ext = name + strlen(name) - 4; | |
| 519 bool isJarOrZip = ext > name && | |
| 520 (os::file_name_strcmp(ext, ".jar") == 0 || | |
| 521 os::file_name_strcmp(ext, ".zip") == 0); | |
| 522 if (isJarOrZip) { | |
| 6197 | 523 char* jarpath = NEW_C_HEAP_ARRAY(char, directory_len + 2 + strlen(name), mtInternal); |
| 0 | 524 sprintf(jarpath, "%s%s%s", directory, dir_sep, name); |
| 525 path = add_to_path(path, jarpath, false); | |
| 6197 | 526 FREE_C_HEAP_ARRAY(char, jarpath, mtInternal); |
| 0 | 527 } |
| 528 } | |
| 6197 | 529 FREE_C_HEAP_ARRAY(char, dbuf, mtInternal); |
| 0 | 530 os::closedir(dir); |
| 531 return path; | |
| 532 } | |
| 533 | |
| 534 // Parses a memory size specification string. | |
|
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535 static bool atomull(const char *s, julong* result) { |
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536 julong n = 0; |
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537 int args_read = sscanf(s, JULONG_FORMAT, &n); |
| 0 | 538 if (args_read != 1) { |
| 539 return false; | |
| 540 } | |
| 541 while (*s != '\0' && isdigit(*s)) { | |
| 542 s++; | |
| 543 } | |
| 544 // 4705540: illegal if more characters are found after the first non-digit | |
| 545 if (strlen(s) > 1) { | |
| 546 return false; | |
| 547 } | |
| 548 switch (*s) { | |
| 549 case 'T': case 't': | |
| 550 *result = n * G * K; | |
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551 // Check for overflow. |
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552 if (*result/((julong)G * K) != n) return false; |
| 0 | 553 return true; |
| 554 case 'G': case 'g': | |
| 555 *result = n * G; | |
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556 if (*result/G != n) return false; |
| 0 | 557 return true; |
| 558 case 'M': case 'm': | |
| 559 *result = n * M; | |
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560 if (*result/M != n) return false; |
| 0 | 561 return true; |
| 562 case 'K': case 'k': | |
| 563 *result = n * K; | |
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564 if (*result/K != n) return false; |
| 0 | 565 return true; |
| 566 case '\0': | |
| 567 *result = n; | |
| 568 return true; | |
| 569 default: | |
| 570 return false; | |
| 571 } | |
| 572 } | |
| 573 | |
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574 Arguments::ArgsRange Arguments::check_memory_size(julong size, julong min_size) { |
| 0 | 575 if (size < min_size) return arg_too_small; |
| 576 // Check that size will fit in a size_t (only relevant on 32-bit) | |
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577 if (size > max_uintx) return arg_too_big; |
| 0 | 578 return arg_in_range; |
| 579 } | |
| 580 | |
| 581 // Describe an argument out of range error | |
| 582 void Arguments::describe_range_error(ArgsRange errcode) { | |
| 583 switch(errcode) { | |
| 584 case arg_too_big: | |
| 585 jio_fprintf(defaultStream::error_stream(), | |
| 586 "The specified size exceeds the maximum " | |
| 587 "representable size.\n"); | |
| 588 break; | |
| 589 case arg_too_small: | |
| 590 case arg_unreadable: | |
| 591 case arg_in_range: | |
| 592 // do nothing for now | |
| 593 break; | |
| 594 default: | |
| 595 ShouldNotReachHere(); | |
| 596 } | |
| 597 } | |
| 598 | |
| 599 static bool set_bool_flag(char* name, bool value, FlagValueOrigin origin) { | |
| 600 return CommandLineFlags::boolAtPut(name, &value, origin); | |
| 601 } | |
| 602 | |
| 603 static bool set_fp_numeric_flag(char* name, char* value, FlagValueOrigin origin) { | |
| 604 double v; | |
| 605 if (sscanf(value, "%lf", &v) != 1) { | |
| 606 return false; | |
| 607 } | |
| 608 | |
| 609 if (CommandLineFlags::doubleAtPut(name, &v, origin)) { | |
| 610 return true; | |
| 611 } | |
| 612 return false; | |
| 613 } | |
| 614 | |
| 615 static bool set_numeric_flag(char* name, char* value, FlagValueOrigin origin) { | |
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616 julong v; |
| 0 | 617 intx intx_v; |
| 618 bool is_neg = false; | |
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619 // Check the sign first since atomull() parses only unsigned values. |
| 0 | 620 if (*value == '-') { |
| 621 if (!CommandLineFlags::intxAt(name, &intx_v)) { | |
| 622 return false; | |
| 623 } | |
| 624 value++; | |
| 625 is_neg = true; | |
| 626 } | |
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627 if (!atomull(value, &v)) { |
| 0 | 628 return false; |
| 629 } | |
| 630 intx_v = (intx) v; | |
| 631 if (is_neg) { | |
| 632 intx_v = -intx_v; | |
| 633 } | |
| 634 if (CommandLineFlags::intxAtPut(name, &intx_v, origin)) { | |
| 635 return true; | |
| 636 } | |
| 637 uintx uintx_v = (uintx) v; | |
| 638 if (!is_neg && CommandLineFlags::uintxAtPut(name, &uintx_v, origin)) { | |
| 639 return true; | |
| 640 } | |
| 1064 | 641 uint64_t uint64_t_v = (uint64_t) v; |
| 642 if (!is_neg && CommandLineFlags::uint64_tAtPut(name, &uint64_t_v, origin)) { | |
| 643 return true; | |
| 644 } | |
| 0 | 645 return false; |
| 646 } | |
| 647 | |
| 648 static bool set_string_flag(char* name, const char* value, FlagValueOrigin origin) { | |
| 649 if (!CommandLineFlags::ccstrAtPut(name, &value, origin)) return false; | |
| 650 // Contract: CommandLineFlags always returns a pointer that needs freeing. | |
| 6197 | 651 FREE_C_HEAP_ARRAY(char, value, mtInternal); |
| 0 | 652 return true; |
| 653 } | |
| 654 | |
| 655 static bool append_to_string_flag(char* name, const char* new_value, FlagValueOrigin origin) { | |
| 656 const char* old_value = ""; | |
| 657 if (!CommandLineFlags::ccstrAt(name, &old_value)) return false; | |
| 658 size_t old_len = old_value != NULL ? strlen(old_value) : 0; | |
| 659 size_t new_len = strlen(new_value); | |
| 660 const char* value; | |
| 661 char* free_this_too = NULL; | |
| 662 if (old_len == 0) { | |
| 663 value = new_value; | |
| 664 } else if (new_len == 0) { | |
| 665 value = old_value; | |
| 666 } else { | |
| 6197 | 667 char* buf = NEW_C_HEAP_ARRAY(char, old_len + 1 + new_len + 1, mtInternal); |
| 0 | 668 // each new setting adds another LINE to the switch: |
| 669 sprintf(buf, "%s\n%s", old_value, new_value); | |
| 670 value = buf; | |
| 671 free_this_too = buf; | |
| 672 } | |
| 673 (void) CommandLineFlags::ccstrAtPut(name, &value, origin); | |
| 674 // CommandLineFlags always returns a pointer that needs freeing. | |
| 6197 | 675 FREE_C_HEAP_ARRAY(char, value, mtInternal); |
| 0 | 676 if (free_this_too != NULL) { |
| 677 // CommandLineFlags made its own copy, so I must delete my own temp. buffer. | |
| 6197 | 678 FREE_C_HEAP_ARRAY(char, free_this_too, mtInternal); |
| 0 | 679 } |
| 680 return true; | |
| 681 } | |
| 682 | |
| 683 bool Arguments::parse_argument(const char* arg, FlagValueOrigin origin) { | |
| 684 | |
| 685 // range of acceptable characters spelled out for portability reasons | |
| 686 #define NAME_RANGE "[abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_]" | |
| 687 #define BUFLEN 255 | |
| 688 char name[BUFLEN+1]; | |
| 689 char dummy; | |
| 690 | |
| 691 if (sscanf(arg, "-%" XSTR(BUFLEN) NAME_RANGE "%c", name, &dummy) == 1) { | |
| 692 return set_bool_flag(name, false, origin); | |
| 693 } | |
| 694 if (sscanf(arg, "+%" XSTR(BUFLEN) NAME_RANGE "%c", name, &dummy) == 1) { | |
| 695 return set_bool_flag(name, true, origin); | |
| 696 } | |
| 697 | |
| 698 char punct; | |
| 699 if (sscanf(arg, "%" XSTR(BUFLEN) NAME_RANGE "%c", name, &punct) == 2 && punct == '=') { | |
| 700 const char* value = strchr(arg, '=') + 1; | |
| 701 Flag* flag = Flag::find_flag(name, strlen(name)); | |
| 702 if (flag != NULL && flag->is_ccstr()) { | |
| 703 if (flag->ccstr_accumulates()) { | |
| 704 return append_to_string_flag(name, value, origin); | |
| 705 } else { | |
| 706 if (value[0] == '\0') { | |
| 707 value = NULL; | |
| 708 } | |
| 709 return set_string_flag(name, value, origin); | |
| 710 } | |
| 711 } | |
| 712 } | |
| 713 | |
| 714 if (sscanf(arg, "%" XSTR(BUFLEN) NAME_RANGE ":%c", name, &punct) == 2 && punct == '=') { | |
| 715 const char* value = strchr(arg, '=') + 1; | |
| 716 // -XX:Foo:=xxx will reset the string flag to the given value. | |
| 717 if (value[0] == '\0') { | |
| 718 value = NULL; | |
| 719 } | |
| 720 return set_string_flag(name, value, origin); | |
| 721 } | |
| 722 | |
| 723 #define SIGNED_FP_NUMBER_RANGE "[-0123456789.]" | |
| 724 #define SIGNED_NUMBER_RANGE "[-0123456789]" | |
| 725 #define NUMBER_RANGE "[0123456789]" | |
| 726 char value[BUFLEN + 1]; | |
| 727 char value2[BUFLEN + 1]; | |
| 728 if (sscanf(arg, "%" XSTR(BUFLEN) NAME_RANGE "=" "%" XSTR(BUFLEN) SIGNED_NUMBER_RANGE "." "%" XSTR(BUFLEN) NUMBER_RANGE "%c", name, value, value2, &dummy) == 3) { | |
| 729 // Looks like a floating-point number -- try again with more lenient format string | |
| 730 if (sscanf(arg, "%" XSTR(BUFLEN) NAME_RANGE "=" "%" XSTR(BUFLEN) SIGNED_FP_NUMBER_RANGE "%c", name, value, &dummy) == 2) { | |
| 731 return set_fp_numeric_flag(name, value, origin); | |
| 732 } | |
| 733 } | |
| 734 | |
| 735 #define VALUE_RANGE "[-kmgtKMGT0123456789]" | |
| 736 if (sscanf(arg, "%" XSTR(BUFLEN) NAME_RANGE "=" "%" XSTR(BUFLEN) VALUE_RANGE "%c", name, value, &dummy) == 2) { | |
| 737 return set_numeric_flag(name, value, origin); | |
| 738 } | |
| 739 | |
| 740 return false; | |
| 741 } | |
| 742 | |
| 743 void Arguments::add_string(char*** bldarray, int* count, const char* arg) { | |
| 744 assert(bldarray != NULL, "illegal argument"); | |
| 745 | |
| 746 if (arg == NULL) { | |
| 747 return; | |
| 748 } | |
| 749 | |
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750 int new_count = *count + 1; |
| 0 | 751 |
| 752 // expand the array and add arg to the last element | |
| 753 if (*bldarray == NULL) { | |
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754 *bldarray = NEW_C_HEAP_ARRAY(char*, new_count, mtInternal); |
| 0 | 755 } else { |
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756 *bldarray = REALLOC_C_HEAP_ARRAY(char*, *bldarray, new_count, mtInternal); |
| 0 | 757 } |
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758 (*bldarray)[*count] = strdup(arg); |
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759 *count = new_count; |
| 0 | 760 } |
| 761 | |
| 762 void Arguments::build_jvm_args(const char* arg) { | |
| 763 add_string(&_jvm_args_array, &_num_jvm_args, arg); | |
| 764 } | |
| 765 | |
| 766 void Arguments::build_jvm_flags(const char* arg) { | |
| 767 add_string(&_jvm_flags_array, &_num_jvm_flags, arg); | |
| 768 } | |
| 769 | |
| 770 // utility function to return a string that concatenates all | |
| 771 // strings in a given char** array | |
| 772 const char* Arguments::build_resource_string(char** args, int count) { | |
| 773 if (args == NULL || count == 0) { | |
| 774 return NULL; | |
| 775 } | |
| 776 size_t length = strlen(args[0]) + 1; // add 1 for the null terminator | |
| 777 for (int i = 1; i < count; i++) { | |
| 778 length += strlen(args[i]) + 1; // add 1 for a space | |
| 779 } | |
| 780 char* s = NEW_RESOURCE_ARRAY(char, length); | |
| 781 strcpy(s, args[0]); | |
| 782 for (int j = 1; j < count; j++) { | |
| 783 strcat(s, " "); | |
| 784 strcat(s, args[j]); | |
| 785 } | |
| 786 return (const char*) s; | |
| 787 } | |
| 788 | |
| 789 void Arguments::print_on(outputStream* st) { | |
| 790 st->print_cr("VM Arguments:"); | |
| 791 if (num_jvm_flags() > 0) { | |
| 792 st->print("jvm_flags: "); print_jvm_flags_on(st); | |
| 793 } | |
| 794 if (num_jvm_args() > 0) { | |
| 795 st->print("jvm_args: "); print_jvm_args_on(st); | |
| 796 } | |
| 797 st->print_cr("java_command: %s", java_command() ? java_command() : "<unknown>"); | |
|
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798 if (_java_class_path != NULL) { |
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799 char* path = _java_class_path->value(); |
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800 st->print_cr("java_class_path (initial): %s", strlen(path) == 0 ? "<not set>" : path ); |
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801 } |
| 0 | 802 st->print_cr("Launcher Type: %s", _sun_java_launcher); |
| 803 } | |
| 804 | |
| 805 void Arguments::print_jvm_flags_on(outputStream* st) { | |
| 806 if (_num_jvm_flags > 0) { | |
| 807 for (int i=0; i < _num_jvm_flags; i++) { | |
| 808 st->print("%s ", _jvm_flags_array[i]); | |
| 809 } | |
| 810 st->print_cr(""); | |
| 811 } | |
| 812 } | |
| 813 | |
| 814 void Arguments::print_jvm_args_on(outputStream* st) { | |
| 815 if (_num_jvm_args > 0) { | |
| 816 for (int i=0; i < _num_jvm_args; i++) { | |
| 817 st->print("%s ", _jvm_args_array[i]); | |
| 818 } | |
| 819 st->print_cr(""); | |
| 820 } | |
| 821 } | |
| 822 | |
| 242 | 823 bool Arguments::process_argument(const char* arg, |
| 824 jboolean ignore_unrecognized, FlagValueOrigin origin) { | |
| 825 | |
| 826 JDK_Version since = JDK_Version(); | |
| 0 | 827 |
| 3250 | 828 if (parse_argument(arg, origin) || ignore_unrecognized) { |
| 829 return true; | |
| 0 | 830 } |
| 3250 | 831 |
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832 bool has_plus_minus = (*arg == '+' || *arg == '-'); |
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833 const char* const argname = has_plus_minus ? arg + 1 : arg; |
| 3250 | 834 if (is_newly_obsolete(arg, &since)) { |
| 835 char version[256]; | |
| 836 since.to_string(version, sizeof(version)); | |
| 837 warning("ignoring option %s; support was removed in %s", argname, version); | |
| 838 return true; | |
| 839 } | |
| 840 | |
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841 // For locked flags, report a custom error message if available. |
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842 // Otherwise, report the standard unrecognized VM option. |
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843 |
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844 size_t arg_len; |
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845 const char* equal_sign = strchr(argname, '='); |
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846 if (equal_sign == NULL) { |
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847 arg_len = strlen(argname); |
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848 } else { |
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849 arg_len = equal_sign - argname; |
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850 } |
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851 |
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852 Flag* found_flag = Flag::find_flag((char*)argname, arg_len, true); |
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853 if (found_flag != NULL) { |
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854 char locked_message_buf[BUFLEN]; |
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855 found_flag->get_locked_message(locked_message_buf, BUFLEN); |
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856 if (strlen(locked_message_buf) == 0) { |
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857 if (found_flag->is_bool() && !has_plus_minus) { |
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858 jio_fprintf(defaultStream::error_stream(), |
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859 "Missing +/- setting for VM option '%s'\n", argname); |
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860 } else if (!found_flag->is_bool() && has_plus_minus) { |
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861 jio_fprintf(defaultStream::error_stream(), |
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862 "Unexpected +/- setting in VM option '%s'\n", argname); |
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863 } else { |
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864 jio_fprintf(defaultStream::error_stream(), |
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865 "Improperly specified VM option '%s'\n", argname); |
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866 } |
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867 } else { |
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868 jio_fprintf(defaultStream::error_stream(), "%s", locked_message_buf); |
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869 } |
| 6017 | 870 } else { |
| 871 jio_fprintf(defaultStream::error_stream(), | |
| 872 "Unrecognized VM option '%s'\n", argname); | |
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873 } |
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874 |
| 3250 | 875 // allow for commandline "commenting out" options like -XX:#+Verbose |
| 876 return arg[0] == '#'; | |
| 0 | 877 } |
| 878 | |
| 879 bool Arguments::process_settings_file(const char* file_name, bool should_exist, jboolean ignore_unrecognized) { | |
| 880 FILE* stream = fopen(file_name, "rb"); | |
| 881 if (stream == NULL) { | |
| 882 if (should_exist) { | |
| 883 jio_fprintf(defaultStream::error_stream(), | |
| 884 "Could not open settings file %s\n", file_name); | |
| 885 return false; | |
| 886 } else { | |
| 887 return true; | |
| 888 } | |
| 889 } | |
| 890 | |
| 891 char token[1024]; | |
| 892 int pos = 0; | |
| 893 | |
| 894 bool in_white_space = true; | |
| 895 bool in_comment = false; | |
| 896 bool in_quote = false; | |
| 897 char quote_c = 0; | |
| 898 bool result = true; | |
| 899 | |
| 900 int c = getc(stream); | |
| 6901 | 901 while(c != EOF && pos < (int)(sizeof(token)-1)) { |
| 0 | 902 if (in_white_space) { |
| 903 if (in_comment) { | |
| 904 if (c == '\n') in_comment = false; | |
| 905 } else { | |
| 906 if (c == '#') in_comment = true; | |
| 907 else if (!isspace(c)) { | |
| 908 in_white_space = false; | |
| 909 token[pos++] = c; | |
| 910 } | |
| 911 } | |
| 912 } else { | |
| 913 if (c == '\n' || (!in_quote && isspace(c))) { | |
| 914 // token ends at newline, or at unquoted whitespace | |
| 915 // this allows a way to include spaces in string-valued options | |
| 916 token[pos] = '\0'; | |
| 917 logOption(token); | |
| 918 result &= process_argument(token, ignore_unrecognized, CONFIG_FILE); | |
| 919 build_jvm_flags(token); | |
| 920 pos = 0; | |
| 921 in_white_space = true; | |
| 922 in_quote = false; | |
| 923 } else if (!in_quote && (c == '\'' || c == '"')) { | |
| 924 in_quote = true; | |
| 925 quote_c = c; | |
| 926 } else if (in_quote && (c == quote_c)) { | |
| 927 in_quote = false; | |
| 928 } else { | |
| 929 token[pos++] = c; | |
| 930 } | |
| 931 } | |
| 932 c = getc(stream); | |
| 933 } | |
| 934 if (pos > 0) { | |
| 935 token[pos] = '\0'; | |
| 936 result &= process_argument(token, ignore_unrecognized, CONFIG_FILE); | |
| 937 build_jvm_flags(token); | |
| 938 } | |
| 939 fclose(stream); | |
| 940 return result; | |
| 941 } | |
| 942 | |
| 943 //============================================================================================================= | |
| 944 // Parsing of properties (-D) | |
| 945 | |
| 946 const char* Arguments::get_property(const char* key) { | |
| 947 return PropertyList_get_value(system_properties(), key); | |
| 948 } | |
| 949 | |
| 950 bool Arguments::add_property(const char* prop) { | |
| 951 const char* eq = strchr(prop, '='); | |
| 952 char* key; | |
| 953 // ns must be static--its address may be stored in a SystemProperty object. | |
| 954 const static char ns[1] = {0}; | |
| 955 char* value = (char *)ns; | |
| 956 | |
| 957 size_t key_len = (eq == NULL) ? strlen(prop) : (eq - prop); | |
| 6197 | 958 key = AllocateHeap(key_len + 1, mtInternal); |
| 0 | 959 strncpy(key, prop, key_len); |
| 960 key[key_len] = '\0'; | |
| 961 | |
| 962 if (eq != NULL) { | |
| 963 size_t value_len = strlen(prop) - key_len - 1; | |
| 6197 | 964 value = AllocateHeap(value_len + 1, mtInternal); |
| 0 | 965 strncpy(value, &prop[key_len + 1], value_len + 1); |
| 966 } | |
| 967 | |
| 968 if (strcmp(key, "java.compiler") == 0) { | |
| 969 process_java_compiler_argument(value); | |
| 970 FreeHeap(key); | |
| 971 if (eq != NULL) { | |
| 972 FreeHeap(value); | |
| 973 } | |
| 974 return true; | |
| 691 | 975 } else if (strcmp(key, "sun.java.command") == 0) { |
| 0 | 976 _java_command = value; |
| 977 | |
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978 // Record value in Arguments, but let it get passed to Java. |
| 691 | 979 } else if (strcmp(key, "sun.java.launcher.pid") == 0) { |
| 0 | 980 // launcher.pid property is private and is processed |
| 981 // in process_sun_java_launcher_properties(); | |
| 982 // the sun.java.launcher property is passed on to the java application | |
| 983 FreeHeap(key); | |
| 984 if (eq != NULL) { | |
| 985 FreeHeap(value); | |
| 986 } | |
| 987 return true; | |
| 691 | 988 } else if (strcmp(key, "java.vendor.url.bug") == 0) { |
| 0 | 989 // save it in _java_vendor_url_bug, so JVM fatal error handler can access |
| 990 // its value without going through the property list or making a Java call. | |
| 991 _java_vendor_url_bug = value; | |
| 691 | 992 } else if (strcmp(key, "sun.boot.library.path") == 0) { |
| 993 PropertyList_unique_add(&_system_properties, key, value, true); | |
| 994 return true; | |
| 0 | 995 } |
| 996 // Create new property and add at the end of the list | |
| 997 PropertyList_unique_add(&_system_properties, key, value); | |
| 998 return true; | |
| 999 } | |
| 1000 | |
| 1001 //=========================================================================================================== | |
| 1002 // Setting int/mixed/comp mode flags | |
| 1003 | |
| 1004 void Arguments::set_mode_flags(Mode mode) { | |
| 1005 // Set up default values for all flags. | |
| 1006 // If you add a flag to any of the branches below, | |
| 1007 // add a default value for it here. | |
| 1008 set_java_compiler(false); | |
| 1009 _mode = mode; | |
| 1010 | |
| 1011 // Ensure Agent_OnLoad has the correct initial values. | |
| 1012 // This may not be the final mode; mode may change later in onload phase. | |
| 1013 PropertyList_unique_add(&_system_properties, "java.vm.info", | |
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1014 (char*)VM_Version::vm_info_string(), false); |
| 0 | 1015 |
| 1016 UseInterpreter = true; | |
| 1017 UseCompiler = true; | |
| 1018 UseLoopCounter = true; | |
| 1019 | |
|
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1020 #ifndef ZERO |
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1021 // Turn these off for mixed and comp. Leave them on for Zero. |
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1022 if (FLAG_IS_DEFAULT(UseFastAccessorMethods)) { |
|
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1023 UseFastAccessorMethods = (mode == _int); |
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1024 } |
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1025 if (FLAG_IS_DEFAULT(UseFastEmptyMethods)) { |
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1026 UseFastEmptyMethods = (mode == _int); |
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1027 } |
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1028 #endif |
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1029 |
| 0 | 1030 // Default values may be platform/compiler dependent - |
| 1031 // use the saved values | |
| 1032 ClipInlining = Arguments::_ClipInlining; | |
| 1033 AlwaysCompileLoopMethods = Arguments::_AlwaysCompileLoopMethods; | |
| 1034 UseOnStackReplacement = Arguments::_UseOnStackReplacement; | |
| 1035 BackgroundCompilation = Arguments::_BackgroundCompilation; | |
| 1036 | |
| 1037 // Change from defaults based on mode | |
| 1038 switch (mode) { | |
| 1039 default: | |
| 1040 ShouldNotReachHere(); | |
| 1041 break; | |
| 1042 case _int: | |
| 1043 UseCompiler = false; | |
| 1044 UseLoopCounter = false; | |
| 1045 AlwaysCompileLoopMethods = false; | |
| 1046 UseOnStackReplacement = false; | |
| 1047 break; | |
| 1048 case _mixed: | |
| 1049 // same as default | |
| 1050 break; | |
| 1051 case _comp: | |
| 1052 UseInterpreter = false; | |
| 1053 BackgroundCompilation = false; | |
| 1054 ClipInlining = false; | |
|
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1055 // Be much more aggressive in tiered mode with -Xcomp and exercise C2 more. |
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1056 // We will first compile a level 3 version (C1 with full profiling), then do one invocation of it and |
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1057 // compile a level 4 (C2) and then continue executing it. |
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1058 if (TieredCompilation) { |
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1059 Tier3InvokeNotifyFreqLog = 0; |
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1060 Tier4InvocationThreshold = 0; |
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1061 } |
| 0 | 1062 break; |
| 1063 } | |
| 1064 } | |
| 1065 | |
| 1066 // Conflict: required to use shared spaces (-Xshare:on), but | |
| 1067 // incompatible command line options were chosen. | |
| 1068 | |
| 1069 static void no_shared_spaces() { | |
| 1070 if (RequireSharedSpaces) { | |
| 1071 jio_fprintf(defaultStream::error_stream(), | |
| 1072 "Class data sharing is inconsistent with other specified options.\n"); | |
| 1073 vm_exit_during_initialization("Unable to use shared archive.", NULL); | |
| 1074 } else { | |
| 1075 FLAG_SET_DEFAULT(UseSharedSpaces, false); | |
| 1076 } | |
| 1077 } | |
| 1078 | |
| 1783 | 1079 void Arguments::set_tiered_flags() { |
|
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1080 // With tiered, set default policy to AdvancedThresholdPolicy, which is 3. |
| 1783 | 1081 if (FLAG_IS_DEFAULT(CompilationPolicyChoice)) { |
|
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1082 FLAG_SET_DEFAULT(CompilationPolicyChoice, 3); |
| 1783 | 1083 } |
| 1084 if (CompilationPolicyChoice < 2) { | |
| 1085 vm_exit_during_initialization( | |
| 1086 "Incompatible compilation policy selected", NULL); | |
| 1087 } | |
|
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1088 // Increase the code cache size - tiered compiles a lot more. |
| 1783 | 1089 if (FLAG_IS_DEFAULT(ReservedCodeCacheSize)) { |
|
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1090 FLAG_SET_DEFAULT(ReservedCodeCacheSize, ReservedCodeCacheSize * 5); |
| 1783 | 1091 } |
| 10278 | 1092 if (!UseInterpreter) { // -Xcomp |
| 1093 Tier3InvokeNotifyFreqLog = 0; | |
| 1094 Tier4InvocationThreshold = 0; | |
| 1095 } | |
| 1783 | 1096 } |
| 1097 | |
|
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1098 #if INCLUDE_ALL_GCS |
| 4838 | 1099 static void disable_adaptive_size_policy(const char* collector_name) { |
| 1100 if (UseAdaptiveSizePolicy) { | |
| 1101 if (FLAG_IS_CMDLINE(UseAdaptiveSizePolicy)) { | |
| 1102 warning("disabling UseAdaptiveSizePolicy; it is incompatible with %s.", | |
| 1103 collector_name); | |
| 1104 } | |
| 1105 FLAG_SET_DEFAULT(UseAdaptiveSizePolicy, false); | |
| 1106 } | |
| 1107 } | |
| 1108 | |
| 0 | 1109 void Arguments::set_parnew_gc_flags() { |
| 1064 | 1110 assert(!UseSerialGC && !UseParallelOldGC && !UseParallelGC && !UseG1GC, |
|
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1111 "control point invariant"); |
|
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1112 assert(UseParNewGC, "Error"); |
| 0 | 1113 |
| 4838 | 1114 // Turn off AdaptiveSizePolicy for parnew until it is complete. |
| 1115 disable_adaptive_size_policy("UseParNewGC"); | |
|
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1116 |
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1117 if (FLAG_IS_DEFAULT(ParallelGCThreads)) { |
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1118 FLAG_SET_DEFAULT(ParallelGCThreads, Abstract_VM_Version::parallel_worker_threads()); |
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1119 assert(ParallelGCThreads > 0, "We should always have at least one thread by default"); |
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1120 } else if (ParallelGCThreads == 0) { |
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1121 jio_fprintf(defaultStream::error_stream(), |
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1122 "The ParNew GC can not be combined with -XX:ParallelGCThreads=0\n"); |
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1123 vm_exit(1); |
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1124 } |
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1125 |
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1126 // By default YoungPLABSize and OldPLABSize are set to 4096 and 1024 respectively, |
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1127 // these settings are default for Parallel Scavenger. For ParNew+Tenured configuration |
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1128 // we set them to 1024 and 1024. |
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1129 // See CR 6362902. |
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1130 if (FLAG_IS_DEFAULT(YoungPLABSize)) { |
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1131 FLAG_SET_DEFAULT(YoungPLABSize, (intx)1024); |
| 0 | 1132 } |
|
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1133 if (FLAG_IS_DEFAULT(OldPLABSize)) { |
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1134 FLAG_SET_DEFAULT(OldPLABSize, (intx)1024); |
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1135 } |
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1136 |
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1137 // AlwaysTenure flag should make ParNew promote all at first collection. |
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1138 // See CR 6362902. |
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1139 if (AlwaysTenure) { |
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1140 FLAG_SET_CMDLINE(uintx, MaxTenuringThreshold, 0); |
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1141 } |
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1142 // When using compressed oops, we use local overflow stacks, |
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1143 // rather than using a global overflow list chained through |
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1144 // the klass word of the object's pre-image. |
|
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1145 if (UseCompressedOops && !ParGCUseLocalOverflow) { |
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1146 if (!FLAG_IS_DEFAULT(ParGCUseLocalOverflow)) { |
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1147 warning("Forcing +ParGCUseLocalOverflow: needed if using compressed references"); |
| 0 | 1148 } |
|
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1149 FLAG_SET_DEFAULT(ParGCUseLocalOverflow, true); |
| 0 | 1150 } |
|
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1151 assert(ParGCUseLocalOverflow || !UseCompressedOops, "Error"); |
| 0 | 1152 } |
| 1153 | |
| 1154 // Adjust some sizes to suit CMS and/or ParNew needs; these work well on | |
| 1155 // sparc/solaris for certain applications, but would gain from | |
| 1156 // further optimization and tuning efforts, and would almost | |
| 1157 // certainly gain from analysis of platform and environment. | |
| 1158 void Arguments::set_cms_and_parnew_gc_flags() { | |
| 1064 | 1159 assert(!UseSerialGC && !UseParallelOldGC && !UseParallelGC, "Error"); |
|
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1160 assert(UseConcMarkSweepGC, "CMS is expected to be on here"); |
|
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1161 |
| 0 | 1162 // If we are using CMS, we prefer to UseParNewGC, |
| 1163 // unless explicitly forbidden. | |
|
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1164 if (FLAG_IS_DEFAULT(UseParNewGC)) { |
|
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1165 FLAG_SET_ERGO(bool, UseParNewGC, true); |
| 0 | 1166 } |
| 1167 | |
|
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1168 // Turn off AdaptiveSizePolicy by default for cms until it is complete. |
| 4838 | 1169 disable_adaptive_size_policy("UseConcMarkSweepGC"); |
| 0 | 1170 |
| 1171 // In either case, adjust ParallelGCThreads and/or UseParNewGC | |
| 1172 // as needed. | |
|
10
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1173 if (UseParNewGC) { |
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1174 set_parnew_gc_flags(); |
| 0 | 1175 } |
| 1176 | |
|
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1177 size_t max_heap = align_size_down(MaxHeapSize, |
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1178 CardTableRS::ct_max_alignment_constraint()); |
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1179 |
| 0 | 1180 // Now make adjustments for CMS |
|
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1181 intx tenuring_default = (intx)6; |
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1182 size_t young_gen_per_worker = CMSYoungGenPerWorker; |
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1183 |
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1184 // Preferred young gen size for "short" pauses: |
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1185 // upper bound depends on # of threads and NewRatio. |
| 0 | 1186 const uintx parallel_gc_threads = |
| 1187 (ParallelGCThreads == 0 ? 1 : ParallelGCThreads); | |
| 1188 const size_t preferred_max_new_size_unaligned = | |
|
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1189 MIN2(max_heap/(NewRatio+1), ScaleForWordSize(young_gen_per_worker * parallel_gc_threads)); |
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1190 size_t preferred_max_new_size = |
| 0 | 1191 align_size_up(preferred_max_new_size_unaligned, os::vm_page_size()); |
| 1192 | |
| 1193 // Unless explicitly requested otherwise, size young gen | |
|
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1194 // for "short" pauses ~ CMSYoungGenPerWorker*ParallelGCThreads |
|
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1195 |
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1196 // If either MaxNewSize or NewRatio is set on the command line, |
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1197 // assume the user is trying to set the size of the young gen. |
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1198 if (FLAG_IS_DEFAULT(MaxNewSize) && FLAG_IS_DEFAULT(NewRatio)) { |
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1199 |
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1200 // Set MaxNewSize to our calculated preferred_max_new_size unless |
|
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1201 // NewSize was set on the command line and it is larger than |
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1202 // preferred_max_new_size. |
| 0 | 1203 if (!FLAG_IS_DEFAULT(NewSize)) { // NewSize explicitly set at command-line |
|
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1204 FLAG_SET_ERGO(uintx, MaxNewSize, MAX2(NewSize, preferred_max_new_size)); |
| 0 | 1205 } else { |
|
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1206 FLAG_SET_ERGO(uintx, MaxNewSize, preferred_max_new_size); |
| 0 | 1207 } |
| 1064 | 1208 if (PrintGCDetails && Verbose) { |
|
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1209 // Too early to use gclog_or_tty |
|
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1210 tty->print_cr("CMS ergo set MaxNewSize: " SIZE_FORMAT, MaxNewSize); |
|
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1211 } |
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1212 |
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1213 // Code along this path potentially sets NewSize and OldSize |
| 1064 | 1214 if (PrintGCDetails && Verbose) { |
|
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1215 // Too early to use gclog_or_tty |
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1216 tty->print_cr("CMS set min_heap_size: " SIZE_FORMAT |
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1217 " initial_heap_size: " SIZE_FORMAT |
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1218 " max_heap: " SIZE_FORMAT, |
| 1064 | 1219 min_heap_size(), InitialHeapSize, max_heap); |
|
13
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1220 } |
|
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1221 size_t min_new = preferred_max_new_size; |
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1222 if (FLAG_IS_CMDLINE(NewSize)) { |
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1223 min_new = NewSize; |
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1224 } |
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1225 if (max_heap > min_new && min_heap_size() > min_new) { |
| 0 | 1226 // Unless explicitly requested otherwise, make young gen |
| 1227 // at least min_new, and at most preferred_max_new_size. | |
| 1228 if (FLAG_IS_DEFAULT(NewSize)) { | |
|
13
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1229 FLAG_SET_ERGO(uintx, NewSize, MAX2(NewSize, min_new)); |
|
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1230 FLAG_SET_ERGO(uintx, NewSize, MIN2(preferred_max_new_size, NewSize)); |
| 1064 | 1231 if (PrintGCDetails && Verbose) { |
|
13
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1232 // Too early to use gclog_or_tty |
|
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1233 tty->print_cr("CMS ergo set NewSize: " SIZE_FORMAT, NewSize); |
|
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1234 } |
| 0 | 1235 } |
| 1236 // Unless explicitly requested otherwise, size old gen | |
|
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1237 // so it's NewRatio x of NewSize. |
| 0 | 1238 if (FLAG_IS_DEFAULT(OldSize)) { |
| 1239 if (max_heap > NewSize) { | |
|
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1240 FLAG_SET_ERGO(uintx, OldSize, MIN2(NewRatio*NewSize, max_heap - NewSize)); |
| 1064 | 1241 if (PrintGCDetails && Verbose) { |
|
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1242 // Too early to use gclog_or_tty |
|
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1243 tty->print_cr("CMS ergo set OldSize: " SIZE_FORMAT, OldSize); |
|
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1244 } |
| 0 | 1245 } |
| 1246 } | |
| 1247 } | |
| 1248 } | |
| 1249 // Unless explicitly requested otherwise, definitely | |
| 1250 // promote all objects surviving "tenuring_default" scavenges. | |
| 1251 if (FLAG_IS_DEFAULT(MaxTenuringThreshold) && | |
| 1252 FLAG_IS_DEFAULT(SurvivorRatio)) { | |
| 6818 | 1253 FLAG_SET_ERGO(uintx, MaxTenuringThreshold, tenuring_default); |
| 0 | 1254 } |
| 1255 // If we decided above (or user explicitly requested) | |
| 1256 // `promote all' (via MaxTenuringThreshold := 0), | |
| 1257 // prefer minuscule survivor spaces so as not to waste | |
| 1258 // space for (non-existent) survivors | |
| 1259 if (FLAG_IS_DEFAULT(SurvivorRatio) && MaxTenuringThreshold == 0) { | |
| 8035 | 1260 FLAG_SET_ERGO(uintx, SurvivorRatio, MAX2((uintx)1024, SurvivorRatio)); |
| 0 | 1261 } |
| 1262 // If OldPLABSize is set and CMSParPromoteBlocksToClaim is not, | |
| 1263 // set CMSParPromoteBlocksToClaim equal to OldPLABSize. | |
| 1264 // This is done in order to make ParNew+CMS configuration to work | |
| 1265 // with YoungPLABSize and OldPLABSize options. | |
| 1266 // See CR 6362902. | |
| 1267 if (!FLAG_IS_DEFAULT(OldPLABSize)) { | |
| 1268 if (FLAG_IS_DEFAULT(CMSParPromoteBlocksToClaim)) { | |
|
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1269 // OldPLABSize is not the default value but CMSParPromoteBlocksToClaim |
|
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1270 // is. In this situtation let CMSParPromoteBlocksToClaim follow |
|
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1271 // the value (either from the command line or ergonomics) of |
|
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1272 // OldPLABSize. Following OldPLABSize is an ergonomics decision. |
|
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1273 FLAG_SET_ERGO(uintx, CMSParPromoteBlocksToClaim, OldPLABSize); |
|
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1274 } else { |
| 0 | 1275 // OldPLABSize and CMSParPromoteBlocksToClaim are both set. |
| 1276 // CMSParPromoteBlocksToClaim is a collector-specific flag, so | |
| 1277 // we'll let it to take precedence. | |
| 1278 jio_fprintf(defaultStream::error_stream(), | |
|
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1279 "Both OldPLABSize and CMSParPromoteBlocksToClaim" |
|
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1280 " options are specified for the CMS collector." |
|
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1281 " CMSParPromoteBlocksToClaim will take precedence.\n"); |
| 0 | 1282 } |
| 1283 } | |
|
1145
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1284 if (!FLAG_IS_DEFAULT(ResizeOldPLAB) && !ResizeOldPLAB) { |
|
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1285 // OldPLAB sizing manually turned off: Use a larger default setting, |
|
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1286 // unless it was manually specified. This is because a too-low value |
|
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1287 // will slow down scavenges. |
|
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1288 if (FLAG_IS_DEFAULT(CMSParPromoteBlocksToClaim)) { |
|
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1289 FLAG_SET_ERGO(uintx, CMSParPromoteBlocksToClaim, 50); // default value before 6631166 |
|
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1290 } |
|
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1291 } |
|
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1292 // Overwrite OldPLABSize which is the variable we will internally use everywhere. |
|
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1293 FLAG_SET_ERGO(uintx, OldPLABSize, CMSParPromoteBlocksToClaim); |
|
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1294 // If either of the static initialization defaults have changed, note this |
|
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1295 // modification. |
|
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1296 if (!FLAG_IS_DEFAULT(CMSParPromoteBlocksToClaim) || !FLAG_IS_DEFAULT(OldPLABWeight)) { |
|
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1297 CFLS_LAB::modify_initialization(OldPLABSize, OldPLABWeight); |
|
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1298 } |
| 1284 | 1299 if (PrintGCDetails && Verbose) { |
| 1300 tty->print_cr("MarkStackSize: %uk MarkStackSizeMax: %uk", | |
| 1301 MarkStackSize / K, MarkStackSizeMax / K); | |
| 1302 tty->print_cr("ConcGCThreads: %u", ConcGCThreads); | |
| 1303 } | |
| 0 | 1304 } |
|
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1305 #endif // INCLUDE_ALL_GCS |
| 0 | 1306 |
|
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1307 void set_object_alignment() { |
|
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1308 // Object alignment. |
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1309 assert(is_power_of_2(ObjectAlignmentInBytes), "ObjectAlignmentInBytes must be power of 2"); |
|
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1310 MinObjAlignmentInBytes = ObjectAlignmentInBytes; |
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1311 assert(MinObjAlignmentInBytes >= HeapWordsPerLong * HeapWordSize, "ObjectAlignmentInBytes value is too small"); |
|
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1312 MinObjAlignment = MinObjAlignmentInBytes / HeapWordSize; |
|
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1313 assert(MinObjAlignmentInBytes == MinObjAlignment * HeapWordSize, "ObjectAlignmentInBytes value is incorrect"); |
|
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1314 MinObjAlignmentInBytesMask = MinObjAlignmentInBytes - 1; |
|
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1315 |
|
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1316 LogMinObjAlignmentInBytes = exact_log2(ObjectAlignmentInBytes); |
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1317 LogMinObjAlignment = LogMinObjAlignmentInBytes - LogHeapWordSize; |
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1318 |
|
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1319 // Oop encoding heap max |
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1320 OopEncodingHeapMax = (uint64_t(max_juint) + 1) << LogMinObjAlignmentInBytes; |
|
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1321 |
|
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1322 #if INCLUDE_ALL_GCS |
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1323 // Set CMS global values |
|
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1324 CompactibleFreeListSpace::set_cms_values(); |
|
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1325 #endif // INCLUDE_ALL_GCS |
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1326 } |
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1327 |
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1328 bool verify_object_alignment() { |
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1329 // Object alignment. |
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1330 if (!is_power_of_2(ObjectAlignmentInBytes)) { |
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1331 jio_fprintf(defaultStream::error_stream(), |
|
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1332 "error: ObjectAlignmentInBytes=%d must be power of 2\n", |
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1333 (int)ObjectAlignmentInBytes); |
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1334 return false; |
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1335 } |
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1336 if ((int)ObjectAlignmentInBytes < BytesPerLong) { |
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1337 jio_fprintf(defaultStream::error_stream(), |
|
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1338 "error: ObjectAlignmentInBytes=%d must be greater or equal %d\n", |
|
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1339 (int)ObjectAlignmentInBytes, BytesPerLong); |
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1340 return false; |
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1341 } |
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1342 // It does not make sense to have big object alignment |
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1343 // since a space lost due to alignment will be greater |
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1344 // then a saved space from compressed oops. |
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1345 if ((int)ObjectAlignmentInBytes > 256) { |
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1346 jio_fprintf(defaultStream::error_stream(), |
|
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1347 "error: ObjectAlignmentInBytes=%d must not be greater than 256\n", |
|
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1348 (int)ObjectAlignmentInBytes); |
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1349 return false; |
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1350 } |
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1351 // In case page size is very small. |
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1352 if ((int)ObjectAlignmentInBytes >= os::vm_page_size()) { |
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1353 jio_fprintf(defaultStream::error_stream(), |
|
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1354 "error: ObjectAlignmentInBytes=%d must be less than page size %d\n", |
|
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1355 (int)ObjectAlignmentInBytes, os::vm_page_size()); |
|
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1356 return false; |
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1357 } |
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1358 return true; |
|
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1359 } |
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1360 |
|
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1361 inline uintx max_heap_for_compressed_oops() { |
| 1963 | 1362 // Avoid sign flip. |
|
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1363 if (OopEncodingHeapMax < ClassMetaspaceSize + os::vm_page_size()) { |
| 1963 | 1364 return 0; |
| 1365 } | |
|
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1366 LP64_ONLY(return OopEncodingHeapMax - ClassMetaspaceSize - os::vm_page_size()); |
| 1064 | 1367 NOT_LP64(ShouldNotReachHere(); return 0); |
|
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1368 } |
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1369 |
| 0 | 1370 bool Arguments::should_auto_select_low_pause_collector() { |
| 1371 if (UseAutoGCSelectPolicy && | |
| 1372 !FLAG_IS_DEFAULT(MaxGCPauseMillis) && | |
| 1373 (MaxGCPauseMillis <= AutoGCSelectPauseMillis)) { | |
| 1374 if (PrintGCDetails) { | |
| 1375 // Cannot use gclog_or_tty yet. | |
| 1376 tty->print_cr("Automatic selection of the low pause collector" | |
| 1377 " based on pause goal of %d (ms)", MaxGCPauseMillis); | |
| 1378 } | |
| 1379 return true; | |
| 1380 } | |
| 1381 return false; | |
| 1382 } | |
| 1383 | |
|
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1384 void Arguments::set_use_compressed_oops() { |
|
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1385 #ifndef ZERO |
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1386 #ifdef _LP64 |
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1387 // MaxHeapSize is not set up properly at this point, but |
|
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1388 // the only value that can override MaxHeapSize if we are |
|
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1389 // to use UseCompressedOops is InitialHeapSize. |
|
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1390 size_t max_heap_size = MAX2(MaxHeapSize, InitialHeapSize); |
|
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1391 |
|
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1392 if (max_heap_size <= max_heap_for_compressed_oops()) { |
|
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1393 #if !defined(COMPILER1) || defined(TIERED) |
|
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1394 if (FLAG_IS_DEFAULT(UseCompressedOops)) { |
|
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1395 FLAG_SET_ERGO(bool, UseCompressedOops, true); |
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1396 } |
|
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1397 #endif |
|
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1398 #ifdef _WIN64 |
|
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1399 if (UseLargePages && UseCompressedOops) { |
|
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1400 // Cannot allocate guard pages for implicit checks in indexed addressing |
|
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1401 // mode, when large pages are specified on windows. |
|
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1402 // This flag could be switched ON if narrow oop base address is set to 0, |
|
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1403 // see code in Universe::initialize_heap(). |
|
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1404 Universe::set_narrow_oop_use_implicit_null_checks(false); |
|
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1405 } |
|
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1406 #endif // _WIN64 |
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1407 } else { |
|
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1408 if (UseCompressedOops && !FLAG_IS_DEFAULT(UseCompressedOops)) { |
|
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1409 warning("Max heap size too large for Compressed Oops"); |
|
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1410 FLAG_SET_DEFAULT(UseCompressedOops, false); |
|
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1411 FLAG_SET_DEFAULT(UseCompressedKlassPointers, false); |
|
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1412 } |
|
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|
1413 } |
|
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1414 #endif // _LP64 |
|
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1415 #endif // ZERO |
|
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1416 } |
|
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1417 |
| 0 | 1418 void Arguments::set_ergonomics_flags() { |
| 1419 | |
| 4946 | 1420 if (os::is_server_class_machine()) { |
| 0 | 1421 // If no other collector is requested explicitly, |
| 1422 // let the VM select the collector based on | |
| 1423 // machine class and automatic selection policy. | |
| 1424 if (!UseSerialGC && | |
| 1425 !UseConcMarkSweepGC && | |
|
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1426 !UseG1GC && |
| 0 | 1427 !UseParNewGC && |
| 1428 FLAG_IS_DEFAULT(UseParallelGC)) { | |
| 1429 if (should_auto_select_low_pause_collector()) { | |
| 1430 FLAG_SET_ERGO(bool, UseConcMarkSweepGC, true); | |
| 1431 } else { | |
| 1432 FLAG_SET_ERGO(bool, UseParallelGC, true); | |
| 1433 } | |
|
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1434 } |
|
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1435 // Shared spaces work fine with other GCs but causes bytecode rewriting |
|
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1436 // to be disabled, which hurts interpreter performance and decreases |
|
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1437 // server performance. On server class machines, keep the default |
|
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1438 // off unless it is asked for. Future work: either add bytecode rewriting |
|
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1439 // at link time, or rewrite bytecodes in non-shared methods. |
|
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1440 if (!DumpSharedSpaces && !RequireSharedSpaces) { |
| 0 | 1441 no_shared_spaces(); |
| 1442 } | |
| 1443 } | |
|
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1444 |
| 1010 | 1445 #ifndef ZERO |
|
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1446 #ifdef _LP64 |
|
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1447 set_use_compressed_oops(); |
|
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1448 // UseCompressedOops must be on for UseCompressedKlassPointers to be on. |
|
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1449 if (!UseCompressedOops) { |
|
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1450 if (UseCompressedKlassPointers) { |
|
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1451 warning("UseCompressedKlassPointers requires UseCompressedOops"); |
|
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1452 } |
|
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1453 FLAG_SET_DEFAULT(UseCompressedKlassPointers, false); |
|
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1454 } else { |
|
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1455 // Turn on UseCompressedKlassPointers too |
|
6848
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|
1456 if (FLAG_IS_DEFAULT(UseCompressedKlassPointers)) { |
|
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|
1457 FLAG_SET_ERGO(bool, UseCompressedKlassPointers, true); |
|
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|
1458 } |
|
6736
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|
1459 // Set the ClassMetaspaceSize to something that will not need to be |
|
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|
1460 // expanded, since it cannot be expanded. |
|
7982
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|
1461 if (UseCompressedKlassPointers) { |
|
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|
1462 if (ClassMetaspaceSize > KlassEncodingMetaspaceMax) { |
|
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|
1463 warning("Class metaspace size is too large for UseCompressedKlassPointers"); |
|
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|
1464 FLAG_SET_DEFAULT(UseCompressedKlassPointers, false); |
|
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|
1465 } else if (FLAG_IS_DEFAULT(ClassMetaspaceSize)) { |
|
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|
1466 // 100,000 classes seems like a good size, so 100M assumes around 1K |
|
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|
1467 // per klass. The vtable and oopMap is embedded so we don't have a fixed |
|
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|
1468 // size per klass. Eventually, this will be parameterized because it |
|
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|
1469 // would also be useful to determine the optimal size of the |
|
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|
1470 // systemDictionary. |
|
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|
1471 FLAG_SET_ERGO(uintx, ClassMetaspaceSize, 100*M); |
|
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1472 } |
|
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1473 } |
|
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1474 } |
|
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1475 // Also checks that certain machines are slower with compressed oops |
|
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1476 // in vm_version initialization code. |
|
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1477 #endif // _LP64 |
| 1010 | 1478 #endif // !ZERO |
| 0 | 1479 } |
| 1480 | |
| 1481 void Arguments::set_parallel_gc_flags() { | |
|
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|
1482 assert(UseParallelGC || UseParallelOldGC, "Error"); |
| 4879 | 1483 // Enable ParallelOld unless it was explicitly disabled (cmd line or rc file). |
| 1484 if (FLAG_IS_DEFAULT(UseParallelOldGC)) { | |
| 1485 FLAG_SET_DEFAULT(UseParallelOldGC, true); | |
| 0 | 1486 } |
| 4879 | 1487 FLAG_SET_DEFAULT(UseParallelGC, true); |
| 0 | 1488 |
| 1489 // If no heap maximum was requested explicitly, use some reasonable fraction | |
| 1490 // of the physical memory, up to a maximum of 1GB. | |
|
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|
1491 FLAG_SET_DEFAULT(ParallelGCThreads, |
|
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|
1492 Abstract_VM_Version::parallel_worker_threads()); |
|
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|
1493 if (ParallelGCThreads == 0) { |
|
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|
1494 jio_fprintf(defaultStream::error_stream(), |
|
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|
1495 "The Parallel GC can not be combined with -XX:ParallelGCThreads=0\n"); |
|
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|
1496 vm_exit(1); |
|
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|
1497 } |
|
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|
1498 |
|
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|
1499 |
|
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|
1500 // If InitialSurvivorRatio or MinSurvivorRatio were not specified, but the |
|
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|
1501 // SurvivorRatio has been set, reset their default values to SurvivorRatio + |
|
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|
1502 // 2. By doing this we make SurvivorRatio also work for Parallel Scavenger. |
|
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|
1503 // See CR 6362902 for details. |
|
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|
1504 if (!FLAG_IS_DEFAULT(SurvivorRatio)) { |
|
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|
1505 if (FLAG_IS_DEFAULT(InitialSurvivorRatio)) { |
|
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|
1506 FLAG_SET_DEFAULT(InitialSurvivorRatio, SurvivorRatio + 2); |
| 0 | 1507 } |
|
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|
1508 if (FLAG_IS_DEFAULT(MinSurvivorRatio)) { |
|
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|
1509 FLAG_SET_DEFAULT(MinSurvivorRatio, SurvivorRatio + 2); |
|
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|
1510 } |
|
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|
1511 } |
|
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|
1512 |
|
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|
1513 if (UseParallelOldGC) { |
|
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|
1514 // Par compact uses lower default values since they are treated as |
|
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|
1515 // minimums. These are different defaults because of the different |
|
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|
1516 // interpretation and are not ergonomically set. |
|
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|
1517 if (FLAG_IS_DEFAULT(MarkSweepDeadRatio)) { |
|
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|
1518 FLAG_SET_DEFAULT(MarkSweepDeadRatio, 1); |
| 0 | 1519 } |
| 1520 } | |
| 1521 } | |
| 1522 | |
|
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1523 void Arguments::set_g1_gc_flags() { |
|
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|
1524 assert(UseG1GC, "Error"); |
|
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1525 #ifdef COMPILER1 |
|
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1526 FastTLABRefill = false; |
|
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|
1527 #endif |
|
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1528 FLAG_SET_DEFAULT(ParallelGCThreads, |
|
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|
1529 Abstract_VM_Version::parallel_worker_threads()); |
|
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|
1530 if (ParallelGCThreads == 0) { |
|
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|
1531 FLAG_SET_DEFAULT(ParallelGCThreads, |
| 751 | 1532 Abstract_VM_Version::parallel_worker_threads()); |
|
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1533 } |
| 751 | 1534 |
|
7397
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|
1535 // MarkStackSize will be set (if it hasn't been set by the user) |
|
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1536 // when concurrent marking is initialized. |
|
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|
1537 // Its value will be based upon the number of parallel marking threads. |
|
442f942757c0
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|
1538 // But we do set the maximum mark stack size here. |
|
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|
1539 if (FLAG_IS_DEFAULT(MarkStackSizeMax)) { |
|
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|
1540 FLAG_SET_DEFAULT(MarkStackSizeMax, 128 * TASKQUEUE_SIZE); |
| 1284 | 1541 } |
| 1356 | 1542 |
| 1543 if (FLAG_IS_DEFAULT(GCTimeRatio) || GCTimeRatio == 0) { | |
| 1544 // In G1, we want the default GC overhead goal to be higher than | |
| 1545 // say in PS. So we set it here to 10%. Otherwise the heap might | |
| 1546 // be expanded more aggressively than we would like it to. In | |
| 1547 // fact, even 10% seems to not be high enough in some cases | |
| 1548 // (especially small GC stress tests that the main thing they do | |
| 1549 // is allocation). We might consider increase it further. | |
| 1550 FLAG_SET_DEFAULT(GCTimeRatio, 9); | |
| 1551 } | |
|
7397
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|
1552 |
|
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|
1553 if (PrintGCDetails && Verbose) { |
|
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|
1554 tty->print_cr("MarkStackSize: %uk MarkStackSizeMax: %uk", |
|
442f942757c0
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|
1555 MarkStackSize / K, MarkStackSizeMax / K); |
|
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|
1556 tty->print_cr("ConcGCThreads: %u", ConcGCThreads); |
|
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|
1557 } |
|
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|
1558 } |
|
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|
1559 |
|
8854
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|
1560 julong Arguments::limit_by_allocatable_memory(julong limit) { |
|
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1561 julong max_allocatable; |
|
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1562 julong result = limit; |
|
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|
1563 if (os::has_allocatable_memory_limit(&max_allocatable)) { |
|
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|
1564 result = MIN2(result, max_allocatable / MaxVirtMemFraction); |
|
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|
1565 } |
|
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|
1566 return result; |
|
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|
1567 } |
|
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|
1568 |
|
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|
1569 void Arguments::set_heap_base_min_address() { |
|
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|
1570 if (FLAG_IS_DEFAULT(HeapBaseMinAddress) && UseG1GC && HeapBaseMinAddress < 1*G) { |
|
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|
1571 // By default HeapBaseMinAddress is 2G on all platforms except Solaris x86. |
|
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|
1572 // G1 currently needs a lot of C-heap, so on Solaris we have to give G1 |
|
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|
1573 // some extra space for the C-heap compared to other collectors. |
|
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|
1574 FLAG_SET_ERGO(uintx, HeapBaseMinAddress, 1*G); |
|
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|
1575 } |
|
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|
1576 } |
|
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|
1577 |
| 1064 | 1578 void Arguments::set_heap_size() { |
| 1579 if (!FLAG_IS_DEFAULT(DefaultMaxRAMFraction)) { | |
| 1580 // Deprecated flag | |
| 1581 FLAG_SET_CMDLINE(uintx, MaxRAMFraction, DefaultMaxRAMFraction); | |
| 1582 } | |
| 1583 | |
| 1584 const julong phys_mem = | |
| 1585 FLAG_IS_DEFAULT(MaxRAM) ? MIN2(os::physical_memory(), (julong)MaxRAM) | |
| 1586 : (julong)MaxRAM; | |
| 1587 | |
| 1588 // If the maximum heap size has not been set with -Xmx, | |
| 1589 // then set it as fraction of the size of physical memory, | |
| 1590 // respecting the maximum and minimum sizes of the heap. | |
|
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|
1591 if (FLAG_IS_DEFAULT(MaxHeapSize)) { |
| 1064 | 1592 julong reasonable_max = phys_mem / MaxRAMFraction; |
| 1593 | |
| 1594 if (phys_mem <= MaxHeapSize * MinRAMFraction) { | |
| 1595 // Small physical memory, so use a minimum fraction of it for the heap | |
| 1596 reasonable_max = phys_mem / MinRAMFraction; | |
| 1597 } else { | |
| 1598 // Not-small physical memory, so require a heap at least | |
| 1599 // as large as MaxHeapSize | |
| 1600 reasonable_max = MAX2(reasonable_max, (julong)MaxHeapSize); | |
| 1601 } | |
| 1602 if (!FLAG_IS_DEFAULT(ErgoHeapSizeLimit) && ErgoHeapSizeLimit != 0) { | |
| 1603 // Limit the heap size to ErgoHeapSizeLimit | |
| 1604 reasonable_max = MIN2(reasonable_max, (julong)ErgoHeapSizeLimit); | |
|
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|
1605 } |
| 1064 | 1606 if (UseCompressedOops) { |
| 1607 // Limit the heap size to the maximum possible when using compressed oops | |
| 1963 | 1608 julong max_coop_heap = (julong)max_heap_for_compressed_oops(); |
| 1609 if (HeapBaseMinAddress + MaxHeapSize < max_coop_heap) { | |
| 1610 // Heap should be above HeapBaseMinAddress to get zero based compressed oops | |
| 1611 // but it should be not less than default MaxHeapSize. | |
| 1612 max_coop_heap -= HeapBaseMinAddress; | |
| 1613 } | |
| 1614 reasonable_max = MIN2(reasonable_max, max_coop_heap); | |
| 1064 | 1615 } |
|
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|
1616 reasonable_max = limit_by_allocatable_memory(reasonable_max); |
| 1064 | 1617 |
| 1618 if (!FLAG_IS_DEFAULT(InitialHeapSize)) { | |
| 1619 // An initial heap size was specified on the command line, | |
| 1620 // so be sure that the maximum size is consistent. Done | |
|
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|
1621 // after call to limit_by_allocatable_memory because that |
| 1064 | 1622 // method might reduce the allocation size. |
| 1623 reasonable_max = MAX2(reasonable_max, (julong)InitialHeapSize); | |
| 1624 } | |
| 1625 | |
|
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1626 if (PrintGCDetails && Verbose) { |
|
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|
1627 // Cannot use gclog_or_tty yet. |
| 1064 | 1628 tty->print_cr(" Maximum heap size " SIZE_FORMAT, reasonable_max); |
|
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|
1629 } |
| 1064 | 1630 FLAG_SET_ERGO(uintx, MaxHeapSize, (uintx)reasonable_max); |
| 1631 } | |
| 1632 | |
|
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|
1633 // If the minimum or initial heap_size have not been set or requested to be set |
|
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|
1634 // ergonomically, set them accordingly. |
|
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|
1635 if (InitialHeapSize == 0 || min_heap_size() == 0) { |
|
1074
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|
1636 julong reasonable_minimum = (julong)(OldSize + NewSize); |
|
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|
1637 |
|
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|
1638 reasonable_minimum = MIN2(reasonable_minimum, (julong)MaxHeapSize); |
|
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|
1639 |
|
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|
1640 reasonable_minimum = limit_by_allocatable_memory(reasonable_minimum); |
|
1074
84cb6f20afb3
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|
1641 |
|
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|
1642 if (InitialHeapSize == 0) { |
|
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|
1643 julong reasonable_initial = phys_mem / InitialRAMFraction; |
|
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|
1644 |
|
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|
1645 reasonable_initial = MAX3(reasonable_initial, reasonable_minimum, (julong)min_heap_size()); |
|
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|
1646 reasonable_initial = MIN2(reasonable_initial, (julong)MaxHeapSize); |
|
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|
1647 |
|
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|
1648 reasonable_initial = limit_by_allocatable_memory(reasonable_initial); |
|
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|
1649 |
|
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|
1650 if (PrintGCDetails && Verbose) { |
|
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|
1651 // Cannot use gclog_or_tty yet. |
|
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|
1652 tty->print_cr(" Initial heap size " SIZE_FORMAT, (uintx)reasonable_initial); |
|
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|
1653 } |
|
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|
1654 FLAG_SET_ERGO(uintx, InitialHeapSize, (uintx)reasonable_initial); |
|
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|
1655 } |
|
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|
1656 // If the minimum heap size has not been set (via -Xms), |
|
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|
1657 // synchronize with InitialHeapSize to avoid errors with the default value. |
|
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|
1658 if (min_heap_size() == 0) { |
|
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|
1659 set_min_heap_size(MIN2((uintx)reasonable_minimum, InitialHeapSize)); |
|
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|
1660 if (PrintGCDetails && Verbose) { |
|
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|
1661 // Cannot use gclog_or_tty yet. |
|
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|
1662 tty->print_cr(" Minimum heap size " SIZE_FORMAT, min_heap_size()); |
|
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|
1663 } |
|
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|
1664 } |
|
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|
1665 } |
|
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|
1666 } |
|
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|
1667 |
| 0 | 1668 // This must be called after ergonomics because we want bytecode rewriting |
| 1669 // if the server compiler is used, or if UseSharedSpaces is disabled. | |
| 1670 void Arguments::set_bytecode_flags() { | |
| 1671 // Better not attempt to store into a read-only space. | |
| 1672 if (UseSharedSpaces) { | |
| 1673 FLAG_SET_DEFAULT(RewriteBytecodes, false); | |
| 1674 FLAG_SET_DEFAULT(RewriteFrequentPairs, false); | |
| 1675 } | |
| 1676 | |
| 1677 if (!RewriteBytecodes) { | |
| 1678 FLAG_SET_DEFAULT(RewriteFrequentPairs, false); | |
| 1679 } | |
| 1680 } | |
| 1681 | |
| 1682 // Aggressive optimization flags -XX:+AggressiveOpts | |
| 1683 void Arguments::set_aggressive_opts_flags() { | |
|
17
ff5961f4c095
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|
1684 #ifdef COMPILER2 |
| 10278 | 1685 if (AggressiveUnboxing) { |
| 1686 if (FLAG_IS_DEFAULT(EliminateAutoBox)) { | |
| 1687 FLAG_SET_DEFAULT(EliminateAutoBox, true); | |
| 1688 } else if (!EliminateAutoBox) { | |
| 1689 // warning("AggressiveUnboxing is disabled because EliminateAutoBox is disabled"); | |
| 1690 AggressiveUnboxing = false; | |
| 1691 } | |
| 1692 if (FLAG_IS_DEFAULT(DoEscapeAnalysis)) { | |
| 1693 FLAG_SET_DEFAULT(DoEscapeAnalysis, true); | |
| 1694 } else if (!DoEscapeAnalysis) { | |
| 1695 // warning("AggressiveUnboxing is disabled because DoEscapeAnalysis is disabled"); | |
| 1696 AggressiveUnboxing = false; | |
| 1697 } | |
| 1698 } | |
|
17
ff5961f4c095
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
never
parents:
0
diff
changeset
|
1699 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
|
1700 if (FLAG_IS_DEFAULT(EliminateAutoBox)) { |
|
ff5961f4c095
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
never
parents:
0
diff
changeset
|
1701 FLAG_SET_DEFAULT(EliminateAutoBox, true); |
|
ff5961f4c095
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
never
parents:
0
diff
changeset
|
1702 } |
|
ff5961f4c095
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
never
parents:
0
diff
changeset
|
1703 if (FLAG_IS_DEFAULT(AutoBoxCacheMax)) { |
|
ff5961f4c095
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
never
parents:
0
diff
changeset
|
1704 FLAG_SET_DEFAULT(AutoBoxCacheMax, 20000); |
|
ff5961f4c095
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
never
parents:
0
diff
changeset
|
1705 } |
|
ff5961f4c095
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
never
parents:
0
diff
changeset
|
1706 |
|
ff5961f4c095
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
never
parents:
0
diff
changeset
|
1707 // 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
|
1708 char buffer[1024]; |
|
513
2328d1d3f8cf
6781583: Hotspot build fails on linux 64 bit platform with gcc 4.3.2
xlu
parents:
489
diff
changeset
|
1709 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
|
1710 add_property(buffer); |
|
ff5961f4c095
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
never
parents:
0
diff
changeset
|
1711 } |
|
416
b6cfd754403d
6649622: HotSpot Biased locking needs tuning on latest CPUs
never
parents:
363
diff
changeset
|
1712 if (AggressiveOpts && FLAG_IS_DEFAULT(BiasedLockingStartupDelay)) { |
|
b6cfd754403d
6649622: HotSpot Biased locking needs tuning on latest CPUs
never
parents:
363
diff
changeset
|
1713 FLAG_SET_DEFAULT(BiasedLockingStartupDelay, 500); |
|
b6cfd754403d
6649622: HotSpot Biased locking needs tuning on latest CPUs
never
parents:
363
diff
changeset
|
1714 } |
|
17
ff5961f4c095
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
never
parents:
0
diff
changeset
|
1715 #endif |
|
ff5961f4c095
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
never
parents:
0
diff
changeset
|
1716 |
| 0 | 1717 if (AggressiveOpts) { |
| 61 | 1718 // Sample flag setting code |
| 1719 // if (FLAG_IS_DEFAULT(EliminateZeroing)) { | |
| 1720 // FLAG_SET_DEFAULT(EliminateZeroing, true); | |
| 1721 // } | |
| 0 | 1722 } |
| 1723 } | |
| 1724 | |
| 1725 //=========================================================================================================== | |
| 1726 // Parsing of java.compiler property | |
| 1727 | |
| 1728 void Arguments::process_java_compiler_argument(char* arg) { | |
| 1729 // For backwards compatibility, Djava.compiler=NONE or "" | |
| 1730 // causes us to switch to -Xint mode UNLESS -Xdebug | |
| 1731 // is also specified. | |
| 1732 if (strlen(arg) == 0 || strcasecmp(arg, "NONE") == 0) { | |
| 1733 set_java_compiler(true); // "-Djava.compiler[=...]" most recently seen. | |
| 1734 } | |
| 1735 } | |
| 1736 | |
| 1737 void Arguments::process_java_launcher_argument(const char* launcher, void* extra_info) { | |
| 1738 _sun_java_launcher = strdup(launcher); | |
|
2302
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
1739 if (strcmp("gamma", _sun_java_launcher) == 0) { |
|
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
1740 _created_by_gamma_launcher = true; |
|
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
1741 } |
| 0 | 1742 } |
| 1743 | |
| 1744 bool Arguments::created_by_java_launcher() { | |
| 1745 assert(_sun_java_launcher != NULL, "property must have value"); | |
| 1746 return strcmp(DEFAULT_JAVA_LAUNCHER, _sun_java_launcher) != 0; | |
| 1747 } | |
| 1748 | |
|
2302
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
1749 bool Arguments::created_by_gamma_launcher() { |
|
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
1750 return _created_by_gamma_launcher; |
|
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
1751 } |
|
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
1752 |
| 0 | 1753 //=========================================================================================================== |
| 1754 // Parsing of main arguments | |
| 1755 | |
|
1244
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
1756 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
|
1757 uintx max, const char* name) { |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
1758 // 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
|
1759 // false, otherwise. |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
1760 if (val >= min && val <= max) { |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
1761 return true; |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
1762 } |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
1763 jio_fprintf(defaultStream::error_stream(), |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
1764 "%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
|
1765 " and " UINTX_FORMAT "\n", |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
1766 name, val, min, max); |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
1767 return false; |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
1768 } |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
1769 |
|
1744
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
1770 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
|
1771 // 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
|
1772 // false, otherwise. |
|
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
1773 if (val >= min ) { |
|
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
1774 return true; |
|
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
1775 } |
|
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
1776 jio_fprintf(defaultStream::error_stream(), |
|
2366
1fb790245268
6820066: Check that -XX:ParGCArrayScanChunk has a value larger than zero.
jwilhelm
parents:
2362
diff
changeset
|
1777 "%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
|
1778 name, val, min); |
|
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
1779 return false; |
|
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
1780 } |
|
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
1781 |
| 0 | 1782 bool Arguments::verify_percentage(uintx value, const char* name) { |
| 1783 if (value <= 100) { | |
| 1784 return true; | |
| 1785 } | |
| 1786 jio_fprintf(defaultStream::error_stream(), | |
| 1787 "%s of " UINTX_FORMAT " is invalid; must be between 0 and 100\n", | |
| 1788 name, value); | |
| 1789 return false; | |
| 1790 } | |
| 1791 | |
|
9060
cc32ccaaf47f
8003310: Enable -Wunused-function when compiling with gcc
mikael
parents:
8847
diff
changeset
|
1792 #if !INCLUDE_ALL_GCS |
|
cc32ccaaf47f
8003310: Enable -Wunused-function when compiling with gcc
mikael
parents:
8847
diff
changeset
|
1793 #ifdef ASSERT |
| 0 | 1794 static bool verify_serial_gc_flags() { |
| 1795 return (UseSerialGC && | |
|
945
68ef3fdcdb76
6872136: CMS: confusing message may be printed when a collector is switched off implicitly
ysr
parents:
932
diff
changeset
|
1796 !(UseParNewGC || (UseConcMarkSweepGC || CMSIncrementalMode) || UseG1GC || |
|
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
1797 UseParallelGC || UseParallelOldGC)); |
| 0 | 1798 } |
|
9060
cc32ccaaf47f
8003310: Enable -Wunused-function when compiling with gcc
mikael
parents:
8847
diff
changeset
|
1799 #endif // ASSERT |
|
cc32ccaaf47f
8003310: Enable -Wunused-function when compiling with gcc
mikael
parents:
8847
diff
changeset
|
1800 #endif // INCLUDE_ALL_GCS |
| 0 | 1801 |
|
3767
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1802 // check if do gclog rotation |
|
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1803 // +UseGCLogFileRotation is a must, |
|
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1804 // 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
|
1805 // 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
|
1806 void check_gclog_consistency() { |
|
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1807 if (UseGCLogFileRotation) { |
|
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1808 if ((Arguments::gc_log_filename() == NULL) || |
|
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1809 (NumberOfGCLogFiles == 0) || |
|
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1810 (GCLogFileSize == 0)) { |
|
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1811 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
|
1812 "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
|
1813 "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
|
1814 "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
|
1815 UseGCLogFileRotation = false; |
|
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1816 } |
|
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1817 } |
|
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1818 |
|
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1819 if (UseGCLogFileRotation && GCLogFileSize < 8*K) { |
|
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1820 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
|
1821 jio_fprintf(defaultStream::output_stream(), |
|
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1822 "GCLogFileSize changed to minimum 8K\n"); |
|
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1823 } |
|
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1824 } |
|
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1825 |
|
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1826 // Check consistency of GC selection |
|
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1827 bool Arguments::check_gc_consistency() { |
|
3767
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1828 check_gclog_consistency(); |
|
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1829 bool status = true; |
|
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1830 // 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
|
1831 // 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
|
1832 // 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
|
1833 // 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
|
1834 // 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
|
1835 // better to reduce user confusion by not allowing them to |
|
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1836 // select conflicting combinations. |
|
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1837 uint i = 0; |
|
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1838 if (UseSerialGC) i++; |
|
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1839 if (UseConcMarkSweepGC || UseParNewGC) i++; |
|
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1840 if (UseParallelGC || UseParallelOldGC) i++; |
|
845
df6caf649ff7
6700789: G1: Enable use of compressed oops with G1 heaps
ysr
parents:
751
diff
changeset
|
1841 if (UseG1GC) i++; |
|
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1842 if (i > 1) { |
|
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1843 jio_fprintf(defaultStream::error_stream(), |
|
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1844 "Conflicting collector combinations in option list; " |
|
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1845 "please refer to the release notes for the combinations " |
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1846 "allowed\n"); |
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1847 status = false; |
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1848 } |
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1849 |
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1850 return status; |
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1851 } |
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1852 |
|
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1853 void Arguments::check_deprecated_gcs() { |
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1854 if (UseConcMarkSweepGC && !UseParNewGC) { |
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1855 warning("Using the DefNew young collector with the CMS collector is deprecated " |
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1856 "and will likely be removed in a future release"); |
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1857 } |
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1858 |
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1859 if (UseParNewGC && !UseConcMarkSweepGC) { |
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1860 // !UseConcMarkSweepGC means that we are using serial old gc. Unfortunately we don't |
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1861 // set up UseSerialGC properly, so that can't be used in the check here. |
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1862 warning("Using the ParNew young collector with the Serial old collector is deprecated " |
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1863 "and will likely be removed in a future release"); |
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1864 } |
| 7453 | 1865 |
| 1866 if (CMSIncrementalMode) { | |
| 1867 warning("Using incremental CMS is deprecated and will likely be removed in a future release"); | |
| 1868 } | |
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1869 } |
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1870 |
| 8734 | 1871 void Arguments::check_deprecated_gc_flags() { |
| 1872 if (FLAG_IS_CMDLINE(MaxGCMinorPauseMillis)) { | |
| 1873 warning("Using MaxGCMinorPauseMillis as minor pause goal is deprecated" | |
| 1874 "and will likely be removed in future release"); | |
| 1875 } | |
| 1876 } | |
| 1877 | |
|
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1878 // Check stack pages settings |
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1879 bool Arguments::check_stack_pages() |
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1880 { |
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1881 bool status = true; |
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1882 status = status && verify_min_value(StackYellowPages, 1, "StackYellowPages"); |
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1883 status = status && verify_min_value(StackRedPages, 1, "StackRedPages"); |
|
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1884 // greater stack shadow pages can't generate instruction to bang stack |
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1885 status = status && verify_interval(StackShadowPages, 1, 50, "StackShadowPages"); |
|
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1886 return status; |
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1887 } |
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1888 |
| 0 | 1889 // Check the consistency of vm_init_args |
| 1890 bool Arguments::check_vm_args_consistency() { | |
| 1891 // Method for adding checks for flag consistency. | |
| 1892 // The intent is to warn the user of all possible conflicts, | |
| 1893 // before returning an error. | |
| 1894 // Note: Needs platform-dependent factoring. | |
| 1895 bool status = true; | |
| 1896 | |
| 1897 // Allow both -XX:-UseStackBanging and -XX:-UseBoundThreads in non-product | |
| 1898 // builds so the cost of stack banging can be measured. | |
| 1899 #if (defined(PRODUCT) && defined(SOLARIS)) | |
| 1900 if (!UseBoundThreads && !UseStackBanging) { | |
| 1901 jio_fprintf(defaultStream::error_stream(), | |
| 1902 "-UseStackBanging conflicts with -UseBoundThreads\n"); | |
| 1903 | |
| 1904 status = false; | |
| 1905 } | |
| 1906 #endif | |
| 1907 | |
| 1908 if (TLABRefillWasteFraction == 0) { | |
| 1909 jio_fprintf(defaultStream::error_stream(), | |
| 1910 "TLABRefillWasteFraction should be a denominator, " | |
| 1911 "not " SIZE_FORMAT "\n", | |
| 1912 TLABRefillWasteFraction); | |
| 1913 status = false; | |
| 1914 } | |
| 1915 | |
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1916 status = status && verify_interval(AdaptiveSizePolicyWeight, 0, 100, |
| 0 | 1917 "AdaptiveSizePolicyWeight"); |
|
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1918 status = status && verify_percentage(ThresholdTolerance, "ThresholdTolerance"); |
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1919 status = status && verify_percentage(MinHeapFreeRatio, "MinHeapFreeRatio"); |
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1920 status = status && verify_percentage(MaxHeapFreeRatio, "MaxHeapFreeRatio"); |
| 0 | 1921 |
|
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1922 // Divide by bucket size to prevent a large size from causing rollover when |
|
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1923 // calculating amount of memory needed to be allocated for the String table. |
|
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1924 status = status && verify_interval(StringTableSize, minimumStringTableSize, |
|
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1925 (max_uintx / StringTable::bucket_size()), "StringTable size"); |
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1926 |
| 0 | 1927 if (MinHeapFreeRatio > MaxHeapFreeRatio) { |
| 1928 jio_fprintf(defaultStream::error_stream(), | |
| 1929 "MinHeapFreeRatio (" UINTX_FORMAT ") must be less than or " | |
| 1930 "equal to MaxHeapFreeRatio (" UINTX_FORMAT ")\n", | |
| 1931 MinHeapFreeRatio, MaxHeapFreeRatio); | |
| 1932 status = false; | |
| 1933 } | |
| 1934 // Keeping the heap 100% free is hard ;-) so limit it to 99%. | |
| 1935 MinHeapFreeRatio = MIN2(MinHeapFreeRatio, (uintx) 99); | |
| 1936 | |
|
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1937 // Min/MaxMetaspaceFreeRatio |
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1938 status = status && verify_percentage(MinMetaspaceFreeRatio, "MinMetaspaceFreeRatio"); |
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1939 status = status && verify_percentage(MaxMetaspaceFreeRatio, "MaxMetaspaceFreeRatio"); |
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1940 |
|
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1941 if (MinMetaspaceFreeRatio > MaxMetaspaceFreeRatio) { |
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1942 jio_fprintf(defaultStream::error_stream(), |
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1943 "MinMetaspaceFreeRatio (%s" UINTX_FORMAT ") must be less than or " |
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1944 "equal to MaxMetaspaceFreeRatio (%s" UINTX_FORMAT ")\n", |
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1945 FLAG_IS_DEFAULT(MinMetaspaceFreeRatio) ? "Default: " : "", |
|
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1946 MinMetaspaceFreeRatio, |
|
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1947 FLAG_IS_DEFAULT(MaxMetaspaceFreeRatio) ? "Default: " : "", |
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1948 MaxMetaspaceFreeRatio); |
|
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1949 status = false; |
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1950 } |
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1951 |
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1952 // Trying to keep 100% free is not practical |
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1953 MinMetaspaceFreeRatio = MIN2(MinMetaspaceFreeRatio, (uintx) 99); |
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1954 |
| 0 | 1955 if (FullGCALot && FLAG_IS_DEFAULT(MarkSweepAlwaysCompactCount)) { |
| 1956 MarkSweepAlwaysCompactCount = 1; // Move objects every gc. | |
| 1957 } | |
| 1958 | |
|
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1959 if (UseParallelOldGC && ParallelOldGCSplitALot) { |
|
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1960 // Settings to encourage splitting. |
|
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1961 if (!FLAG_IS_CMDLINE(NewRatio)) { |
| 8035 | 1962 FLAG_SET_CMDLINE(uintx, NewRatio, 2); |
|
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1963 } |
|
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1964 if (!FLAG_IS_CMDLINE(ScavengeBeforeFullGC)) { |
|
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1965 FLAG_SET_CMDLINE(bool, ScavengeBeforeFullGC, false); |
|
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1966 } |
|
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1967 } |
|
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1968 |
|
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1969 status = status && verify_percentage(GCHeapFreeLimit, "GCHeapFreeLimit"); |
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1970 status = status && verify_percentage(GCTimeLimit, "GCTimeLimit"); |
| 0 | 1971 if (GCTimeLimit == 100) { |
| 1972 // Turn off gc-overhead-limit-exceeded checks | |
| 1973 FLAG_SET_DEFAULT(UseGCOverheadLimit, false); | |
| 1974 } | |
| 1975 | |
|
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1976 status = status && check_gc_consistency(); |
|
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1977 status = status && check_stack_pages(); |
| 0 | 1978 |
| 1979 if (_has_alloc_profile) { | |
| 1980 if (UseParallelGC || UseParallelOldGC) { | |
| 1981 jio_fprintf(defaultStream::error_stream(), | |
| 1982 "error: invalid argument combination.\n" | |
| 1983 "Allocation profiling (-Xaprof) cannot be used together with " | |
| 1984 "Parallel GC (-XX:+UseParallelGC or -XX:+UseParallelOldGC).\n"); | |
| 1985 status = false; | |
| 1986 } | |
| 1987 if (UseConcMarkSweepGC) { | |
| 1988 jio_fprintf(defaultStream::error_stream(), | |
| 1989 "error: invalid argument combination.\n" | |
| 1990 "Allocation profiling (-Xaprof) cannot be used together with " | |
| 1991 "the CMS collector (-XX:+UseConcMarkSweepGC).\n"); | |
| 1992 status = false; | |
| 1993 } | |
| 1994 } | |
| 1995 | |
| 1996 if (CMSIncrementalMode) { | |
| 1997 if (!UseConcMarkSweepGC) { | |
| 1998 jio_fprintf(defaultStream::error_stream(), | |
| 1999 "error: invalid argument combination.\n" | |
| 2000 "The CMS collector (-XX:+UseConcMarkSweepGC) must be " | |
| 2001 "selected in order\nto use CMSIncrementalMode.\n"); | |
| 2002 status = false; | |
| 2003 } else { | |
|
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2004 status = status && verify_percentage(CMSIncrementalDutyCycle, |
| 0 | 2005 "CMSIncrementalDutyCycle"); |
|
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2006 status = status && verify_percentage(CMSIncrementalDutyCycleMin, |
| 0 | 2007 "CMSIncrementalDutyCycleMin"); |
|
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2008 status = status && verify_percentage(CMSIncrementalSafetyFactor, |
| 0 | 2009 "CMSIncrementalSafetyFactor"); |
|
10
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2010 status = status && verify_percentage(CMSIncrementalOffset, |
| 0 | 2011 "CMSIncrementalOffset"); |
|
10
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2012 status = status && verify_percentage(CMSExpAvgFactor, |
| 0 | 2013 "CMSExpAvgFactor"); |
| 2014 // If it was not set on the command line, set | |
| 2015 // CMSInitiatingOccupancyFraction to 1 so icms can initiate cycles early. | |
| 2016 if (CMSInitiatingOccupancyFraction < 0) { | |
| 2017 FLAG_SET_DEFAULT(CMSInitiatingOccupancyFraction, 1); | |
| 2018 } | |
| 2019 } | |
| 2020 } | |
| 2021 | |
| 2022 // CMS space iteration, which FLSVerifyAllHeapreferences entails, | |
| 2023 // insists that we hold the requisite locks so that the iteration is | |
| 2024 // MT-safe. For the verification at start-up and shut-down, we don't | |
| 2025 // yet have a good way of acquiring and releasing these locks, | |
| 2026 // which are not visible at the CollectedHeap level. We want to | |
| 2027 // be able to acquire these locks and then do the iteration rather | |
| 2028 // than just disable the lock verification. This will be fixed under | |
| 2029 // bug 4788986. | |
| 2030 if (UseConcMarkSweepGC && FLSVerifyAllHeapReferences) { | |
|
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2031 if (VerifyDuringStartup) { |
| 0 | 2032 warning("Heap verification at start-up disabled " |
| 2033 "(due to current incompatibility with FLSVerifyAllHeapReferences)"); | |
|
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2034 VerifyDuringStartup = false; // Disable verification at start-up |
| 0 | 2035 } |
|
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2036 |
| 0 | 2037 if (VerifyBeforeExit) { |
| 2038 warning("Heap verification at shutdown disabled " | |
| 2039 "(due to current incompatibility with FLSVerifyAllHeapReferences)"); | |
| 2040 VerifyBeforeExit = false; // Disable verification at shutdown | |
| 2041 } | |
| 2042 } | |
| 2043 | |
| 2044 // Note: only executed in non-PRODUCT mode | |
| 2045 if (!UseAsyncConcMarkSweepGC && | |
| 2046 (ExplicitGCInvokesConcurrent || | |
| 2047 ExplicitGCInvokesConcurrentAndUnloadsClasses)) { | |
| 2048 jio_fprintf(defaultStream::error_stream(), | |
|
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2049 "error: +ExplicitGCInvokesConcurrent[AndUnloadsClasses] conflicts" |
| 0 | 2050 " with -UseAsyncConcMarkSweepGC"); |
| 2051 status = false; | |
| 2052 } | |
| 2053 | |
|
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2054 status = status && verify_min_value(ParGCArrayScanChunk, 1, "ParGCArrayScanChunk"); |
|
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2055 |
|
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2056 #if INCLUDE_ALL_GCS |
|
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2057 if (UseG1GC) { |
|
1c72304f1885
6928073: G1: use existing command line parameters for marking cycle initiation
tonyp
parents:
1257
diff
changeset
|
2058 status = status && verify_percentage(InitiatingHeapOccupancyPercent, |
|
1c72304f1885
6928073: G1: use existing command line parameters for marking cycle initiation
tonyp
parents:
1257
diff
changeset
|
2059 "InitiatingHeapOccupancyPercent"); |
|
2174
234761c55641
6608385: G1: need to support parallel reference processing
johnc
parents:
2129
diff
changeset
|
2060 status = status && verify_min_value(G1RefProcDrainInterval, 1, |
|
234761c55641
6608385: G1: need to support parallel reference processing
johnc
parents:
2129
diff
changeset
|
2061 "G1RefProcDrainInterval"); |
|
234761c55641
6608385: G1: need to support parallel reference processing
johnc
parents:
2129
diff
changeset
|
2062 status = status && verify_min_value((intx)G1ConcMarkStepDurationMillis, 1, |
|
234761c55641
6608385: G1: need to support parallel reference processing
johnc
parents:
2129
diff
changeset
|
2063 "G1ConcMarkStepDurationMillis"); |
|
10246
194f52aa2f23
7176479: G1: JVM crashes on T5-8 system with 1.5 TB heap
johnc
parents:
10241
diff
changeset
|
2064 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
|
2065 "G1ConcRSHotCardLimit"); |
|
194f52aa2f23
7176479: G1: JVM crashes on T5-8 system with 1.5 TB heap
johnc
parents:
10241
diff
changeset
|
2066 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
|
2067 "G1ConcRSLogCacheSize"); |
|
1283
1c72304f1885
6928073: G1: use existing command line parameters for marking cycle initiation
tonyp
parents:
1257
diff
changeset
|
2068 } |
|
10287
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2069 if (UseConcMarkSweepGC) { |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2070 status = status && verify_min_value(CMSOldPLABNumRefills, 1, "CMSOldPLABNumRefills"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2071 status = status && verify_min_value(CMSOldPLABToleranceFactor, 1, "CMSOldPLABToleranceFactor"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2072 status = status && verify_min_value(CMSOldPLABMax, 1, "CMSOldPLABMax"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2073 status = status && verify_interval(CMSOldPLABMin, 1, CMSOldPLABMax, "CMSOldPLABMin"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2074 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2075 status = status && verify_min_value(CMSYoungGenPerWorker, 1, "CMSYoungGenPerWorker"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2076 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2077 status = status && verify_min_value(CMSSamplingGrain, 1, "CMSSamplingGrain"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2078 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
|
2079 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
|
2080 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2081 status = status && verify_interval(FLSCoalescePolicy, 0, 4, "FLSCoalescePolicy"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2082 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2083 status = status && verify_min_value(CMSRescanMultiple, 1, "CMSRescanMultiple"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2084 status = status && verify_min_value(CMSConcMarkMultiple, 1, "CMSConcMarkMultiple"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2085 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2086 status = status && verify_interval(CMSPrecleanIter, 0, 9, "CMSPrecleanIter"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2087 status = status && verify_min_value(CMSPrecleanDenominator, 1, "CMSPrecleanDenominator"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2088 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
|
2089 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2090 status = status && verify_percentage(CMSBootstrapOccupancy, "CMSBootstrapOccupancy"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2091 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2092 status = status && verify_min_value(CMSPrecleanThreshold, 100, "CMSPrecleanThreshold"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2093 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2094 status = status && verify_percentage(CMSScheduleRemarkEdenPenetration, "CMSScheduleRemarkEdenPenetration"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2095 status = status && verify_min_value(CMSScheduleRemarkSamplingRatio, 1, "CMSScheduleRemarkSamplingRatio"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2096 status = status && verify_min_value(CMSBitMapYieldQuantum, 1, "CMSBitMapYieldQuantum"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2097 status = status && verify_percentage(CMSTriggerRatio, "CMSTriggerRatio"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2098 status = status && verify_percentage(CMSIsTooFullPercentage, "CMSIsTooFullPercentage"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2099 } |
|
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 if (UseParallelGC || UseParallelOldGC) { |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2102 status = status && verify_interval(ParallelOldDeadWoodLimiterMean, 0, 100, "ParallelOldDeadWoodLimiterMean"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2103 status = status && verify_interval(ParallelOldDeadWoodLimiterStdDev, 0, 100, "ParallelOldDeadWoodLimiterStdDev"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2104 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2105 status = status && verify_percentage(YoungGenerationSizeIncrement, "YoungGenerationSizeIncrement"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2106 status = status && verify_percentage(TenuredGenerationSizeIncrement, "TenuredGenerationSizeIncrement"); |
|
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_min_value(YoungGenerationSizeSupplementDecay, 1, "YoungGenerationSizeSupplementDecay"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2109 status = status && verify_min_value(TenuredGenerationSizeSupplementDecay, 1, "TenuredGenerationSizeSupplementDecay"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2110 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2111 status = status && verify_min_value(ParGCCardsPerStrideChunk, 1, "ParGCCardsPerStrideChunk"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2112 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2113 status = status && verify_min_value(ParallelOldGCSplitInterval, 0, "ParallelOldGCSplitInterval"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2114 } |
|
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
2115 #endif // INCLUDE_ALL_GCS |
|
1283
1c72304f1885
6928073: G1: use existing command line parameters for marking cycle initiation
tonyp
parents:
1257
diff
changeset
|
2116 |
|
1244
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2117 status = status && verify_interval(RefDiscoveryPolicy, |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2118 ReferenceProcessor::DiscoveryPolicyMin, |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2119 ReferenceProcessor::DiscoveryPolicyMax, |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2120 "RefDiscoveryPolicy"); |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2121 |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2122 // 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
|
2123 // expression. |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2124 status = status && verify_interval(TLABWasteTargetPercent, |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2125 1, 100, "TLABWasteTargetPercent"); |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2126 |
|
1571
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
2127 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
|
2128 |
|
6736
11fb740ce98f
7196103: NPG: Unable to allocate bit map for parallel garbage collection for the requested heap size
coleenp
parents:
6725
diff
changeset
|
2129 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
|
2130 "ClassMetaspaceSize"); |
|
11fb740ce98f
7196103: NPG: Unable to allocate bit map for parallel garbage collection for the requested heap size
coleenp
parents:
6725
diff
changeset
|
2131 |
|
7397
442f942757c0
8000244: G1: Ergonomically set MarkStackSize and use virtual space for global marking stack
johnc
parents:
7177
diff
changeset
|
2132 status = status && verify_interval(MarkStackSizeMax, |
|
442f942757c0
8000244: G1: Ergonomically set MarkStackSize and use virtual space for global marking stack
johnc
parents:
7177
diff
changeset
|
2133 1, (max_jint - 1), "MarkStackSizeMax"); |
|
10287
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2134 status = status && verify_interval(NUMAChunkResizeWeight, 0, 100, "NUMAChunkResizeWeight"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2135 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2136 status = status && verify_min_value(LogEventsBufferEntries, 1, "LogEventsBufferEntries"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2137 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2138 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
|
2139 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2140 status = status && verify_min_value(GCTaskTimeStampEntries, 1, "GCTaskTimeStampEntries"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2141 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2142 status = status && verify_percentage(ParallelGCBufferWastePct, "ParallelGCBufferWastePct"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2143 status = status && verify_interval(TargetPLABWastePct, 1, 100, "TargetPLABWastePct"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2144 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2145 status = status && verify_min_value(ParGCStridesPerThread, 1, "ParGCStridesPerThread"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2146 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2147 status = status && verify_min_value(MinRAMFraction, 1, "MinRAMFraction"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2148 status = status && verify_min_value(InitialRAMFraction, 1, "InitialRAMFraction"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2149 status = status && verify_min_value(MaxRAMFraction, 1, "MaxRAMFraction"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2150 status = status && verify_min_value(DefaultMaxRAMFraction, 1, "DefaultMaxRAMFraction"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2151 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2152 status = status && verify_interval(AdaptiveTimeWeight, 0, 100, "AdaptiveTimeWeight"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2153 status = status && verify_min_value(AdaptiveSizeDecrementScaleFactor, 1, "AdaptiveSizeDecrementScaleFactor"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2154 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2155 status = status && verify_interval(TLABAllocationWeight, 0, 100, "TLABAllocationWeight"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2156 status = status && verify_min_value(MinTLABSize, 1, "MinTLABSize"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2157 status = status && verify_min_value(TLABRefillWasteFraction, 1, "TLABRefillWasteFraction"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2158 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2159 status = status && verify_percentage(YoungGenerationSizeSupplement, "YoungGenerationSizeSupplement"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2160 status = status && verify_percentage(TenuredGenerationSizeSupplement, "TenuredGenerationSizeSupplement"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2161 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2162 // 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
|
2163 // just for that, so hardcode here. |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2164 status = status && verify_interval(MaxTenuringThreshold, 0, 15, "MaxTenuringThreshold"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2165 status = status && verify_interval(InitialTenuringThreshold, 0, MaxTenuringThreshold, "MaxTenuringThreshold"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2166 status = status && verify_percentage(TargetSurvivorRatio, "TargetSurvivorRatio"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2167 status = status && verify_percentage(MarkSweepDeadRatio, "MarkSweepDeadRatio"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2168 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2169 status = status && verify_min_value(MarkSweepAlwaysCompactCount, 1, "MarkSweepAlwaysCompactCount"); |
|
6755
bc675e55b48c
7193946: Move warnings associated with UseMemSetInBOT flag
johnc
parents:
6736
diff
changeset
|
2170 #ifdef SPARC |
|
bc675e55b48c
7193946: Move warnings associated with UseMemSetInBOT flag
johnc
parents:
6736
diff
changeset
|
2171 if (UseConcMarkSweepGC || UseG1GC) { |
|
bc675e55b48c
7193946: Move warnings associated with UseMemSetInBOT flag
johnc
parents:
6736
diff
changeset
|
2172 // Issue a stern warning if the user has explicitly set |
|
bc675e55b48c
7193946: Move warnings associated with UseMemSetInBOT flag
johnc
parents:
6736
diff
changeset
|
2173 // UseMemSetInBOT (it is known to cause issues), but allow |
|
bc675e55b48c
7193946: Move warnings associated with UseMemSetInBOT flag
johnc
parents:
6736
diff
changeset
|
2174 // use for experimentation and debugging. |
|
bc675e55b48c
7193946: Move warnings associated with UseMemSetInBOT flag
johnc
parents:
6736
diff
changeset
|
2175 if (VM_Version::is_sun4v() && UseMemSetInBOT) { |
|
bc675e55b48c
7193946: Move warnings associated with UseMemSetInBOT flag
johnc
parents:
6736
diff
changeset
|
2176 assert(!FLAG_IS_DEFAULT(UseMemSetInBOT), "Error"); |
|
bc675e55b48c
7193946: Move warnings associated with UseMemSetInBOT flag
johnc
parents:
6736
diff
changeset
|
2177 warning("Experimental flag -XX:+UseMemSetInBOT is known to cause instability" |
|
bc675e55b48c
7193946: Move warnings associated with UseMemSetInBOT flag
johnc
parents:
6736
diff
changeset
|
2178 " 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
|
2179 } |
|
bc675e55b48c
7193946: Move warnings associated with UseMemSetInBOT flag
johnc
parents:
6736
diff
changeset
|
2180 } |
|
bc675e55b48c
7193946: Move warnings associated with UseMemSetInBOT flag
johnc
parents:
6736
diff
changeset
|
2181 #endif // SPARC |
|
bc675e55b48c
7193946: Move warnings associated with UseMemSetInBOT flag
johnc
parents:
6736
diff
changeset
|
2182 |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2183 if (PrintNMTStatistics) { |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2184 #if INCLUDE_NMT |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2185 if (MemTracker::tracking_level() == MemTracker::NMT_off) { |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2186 #endif // INCLUDE_NMT |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2187 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
|
2188 PrintNMTStatistics = false; |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2189 #if INCLUDE_NMT |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2190 } |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2191 #endif |
|
6770
9a86ddfc6c8f
7188594: Print statistic collected by NMT with VM flag
zgu
parents:
6736
diff
changeset
|
2192 } |
|
9a86ddfc6c8f
7188594: Print statistic collected by NMT with VM flag
zgu
parents:
6736
diff
changeset
|
2193 |
|
10260
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2194 // Need to limit the extent of the padding to reasonable size. |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2195 // 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
|
2196 // aggressive prefetching, while still leaving the room for segregating |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2197 // among the distinct pages. |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2198 if (ContendedPaddingWidth < 0 || ContendedPaddingWidth > 8192) { |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2199 jio_fprintf(defaultStream::error_stream(), |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2200 "ContendedPaddingWidth=" INTX_FORMAT " must be the between %d and %d\n", |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2201 ContendedPaddingWidth, 0, 8192); |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2202 status = false; |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2203 } |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2204 |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2205 // Need to enforce the padding not to break the existing field alignments. |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2206 // It is sufficient to check against the largest type size. |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2207 if ((ContendedPaddingWidth % BytesPerLong) != 0) { |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2208 jio_fprintf(defaultStream::error_stream(), |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2209 "ContendedPaddingWidth=" INTX_FORMAT " must be the multiple of %d\n", |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2210 ContendedPaddingWidth, BytesPerLong); |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2211 status = false; |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2212 } |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2213 |
|
11079
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2214 // 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
|
2215 // 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
|
2216 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
|
2217 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
|
2218 jio_fprintf(defaultStream::error_stream(), |
|
11079
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2219 "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
|
2220 os::vm_page_size()/K); |
|
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2221 status = false; |
|
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2222 } else if (ReservedCodeCacheSize < InitialCodeCacheSize) { |
|
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2223 jio_fprintf(defaultStream::error_stream(), |
|
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2224 "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
|
2225 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
|
2226 status = false; |
|
11079
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2227 } 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
|
2228 jio_fprintf(defaultStream::error_stream(), |
|
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2229 "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
|
2230 min_code_cache_size/K); |
|
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2231 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
|
2232 } |
|
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
|
2233 |
| 0 | 2234 return status; |
| 2235 } | |
| 2236 | |
| 2237 bool Arguments::is_bad_option(const JavaVMOption* option, jboolean ignore, | |
| 2238 const char* option_type) { | |
| 2239 if (ignore) return false; | |
| 2240 | |
| 2241 const char* spacer = " "; | |
| 2242 if (option_type == NULL) { | |
| 2243 option_type = ++spacer; // Set both to the empty string. | |
| 2244 } | |
| 2245 | |
| 2246 if (os::obsolete_option(option)) { | |
| 2247 jio_fprintf(defaultStream::error_stream(), | |
| 2248 "Obsolete %s%soption: %s\n", option_type, spacer, | |
| 2249 option->optionString); | |
| 2250 return false; | |
| 2251 } else { | |
| 2252 jio_fprintf(defaultStream::error_stream(), | |
| 2253 "Unrecognized %s%soption: %s\n", option_type, spacer, | |
| 2254 option->optionString); | |
| 2255 return true; | |
| 2256 } | |
| 2257 } | |
| 2258 | |
| 2259 static const char* user_assertion_options[] = { | |
| 2260 "-da", "-ea", "-disableassertions", "-enableassertions", 0 | |
| 2261 }; | |
| 2262 | |
| 2263 static const char* system_assertion_options[] = { | |
| 2264 "-dsa", "-esa", "-disablesystemassertions", "-enablesystemassertions", 0 | |
| 2265 }; | |
| 2266 | |
| 2267 // Return true if any of the strings in null-terminated array 'names' matches. | |
| 2268 // If tail_allowed is true, then the tail must begin with a colon; otherwise, | |
| 2269 // the option must match exactly. | |
| 2270 static bool match_option(const JavaVMOption* option, const char** names, const char** tail, | |
| 2271 bool tail_allowed) { | |
| 2272 for (/* empty */; *names != NULL; ++names) { | |
| 2273 if (match_option(option, *names, tail)) { | |
| 2274 if (**tail == '\0' || tail_allowed && **tail == ':') { | |
| 2275 return true; | |
| 2276 } | |
| 2277 } | |
| 2278 } | |
| 2279 return false; | |
| 2280 } | |
| 2281 | |
| 1284 | 2282 bool Arguments::parse_uintx(const char* value, |
| 2283 uintx* uintx_arg, | |
| 2284 uintx min_size) { | |
| 2285 | |
| 2286 // Check the sign first since atomull() parses only unsigned values. | |
| 2287 bool value_is_positive = !(*value == '-'); | |
| 2288 | |
| 2289 if (value_is_positive) { | |
| 2290 julong n; | |
| 2291 bool good_return = atomull(value, &n); | |
| 2292 if (good_return) { | |
| 2293 bool above_minimum = n >= min_size; | |
| 2294 bool value_is_too_large = n > max_uintx; | |
| 2295 | |
| 2296 if (above_minimum && !value_is_too_large) { | |
| 2297 *uintx_arg = n; | |
| 2298 return true; | |
| 2299 } | |
| 2300 } | |
| 2301 } | |
| 2302 return false; | |
| 2303 } | |
| 2304 | |
| 0 | 2305 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
|
2306 julong* long_arg, |
|
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
2307 julong min_size) { |
|
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
2308 if (!atomull(s, long_arg)) return arg_unreadable; |
| 0 | 2309 return check_memory_size(*long_arg, min_size); |
| 2310 } | |
| 2311 | |
| 2312 // Parse JavaVMInitArgs structure | |
| 2313 | |
| 2314 jint Arguments::parse_vm_init_args(const JavaVMInitArgs* args) { | |
| 2315 // For components of the system classpath. | |
| 2316 SysClassPath scp(Arguments::get_sysclasspath()); | |
| 2317 bool scp_assembly_required = false; | |
| 2318 | |
| 2319 // Save default settings for some mode flags | |
| 2320 Arguments::_AlwaysCompileLoopMethods = AlwaysCompileLoopMethods; | |
| 2321 Arguments::_UseOnStackReplacement = UseOnStackReplacement; | |
| 2322 Arguments::_ClipInlining = ClipInlining; | |
| 2323 Arguments::_BackgroundCompilation = BackgroundCompilation; | |
| 2324 | |
|
3341
e9b8ef09622a
7041582: set_mode_flags isn't called without -Xmixed specified
never
parents:
3261
diff
changeset
|
2325 // Setup flags for mixed which is the default |
|
e9b8ef09622a
7041582: set_mode_flags isn't called without -Xmixed specified
never
parents:
3261
diff
changeset
|
2326 set_mode_flags(_mixed); |
|
e9b8ef09622a
7041582: set_mode_flags isn't called without -Xmixed specified
never
parents:
3261
diff
changeset
|
2327 |
| 0 | 2328 // Parse JAVA_TOOL_OPTIONS environment variable (if present) |
| 2329 jint result = parse_java_tool_options_environment_variable(&scp, &scp_assembly_required); | |
| 2330 if (result != JNI_OK) { | |
| 2331 return result; | |
| 2332 } | |
| 2333 | |
| 2334 // Parse JavaVMInitArgs structure passed in | |
| 2335 result = parse_each_vm_init_arg(args, &scp, &scp_assembly_required, COMMAND_LINE); | |
| 2336 if (result != JNI_OK) { | |
| 2337 return result; | |
| 2338 } | |
| 2339 | |
|
531
40ee984935b9
6792705: Add JAR file to bootclasspath when using AggressiveOpts
phh
parents:
513
diff
changeset
|
2340 if (AggressiveOpts) { |
|
40ee984935b9
6792705: Add JAR file to bootclasspath when using AggressiveOpts
phh
parents:
513
diff
changeset
|
2341 // Insert alt-rt.jar between user-specified bootclasspath |
|
40ee984935b9
6792705: Add JAR file to bootclasspath when using AggressiveOpts
phh
parents:
513
diff
changeset
|
2342 // prefix and the default bootclasspath. os::set_boot_path() |
|
40ee984935b9
6792705: Add JAR file to bootclasspath when using AggressiveOpts
phh
parents:
513
diff
changeset
|
2343 // uses meta_index_dir as the default bootclasspath directory. |
|
40ee984935b9
6792705: Add JAR file to bootclasspath when using AggressiveOpts
phh
parents:
513
diff
changeset
|
2344 const char* altclasses_jar = "alt-rt.jar"; |
|
40ee984935b9
6792705: Add JAR file to bootclasspath when using AggressiveOpts
phh
parents:
513
diff
changeset
|
2345 size_t altclasses_path_len = strlen(get_meta_index_dir()) + 1 + |
|
40ee984935b9
6792705: Add JAR file to bootclasspath when using AggressiveOpts
phh
parents:
513
diff
changeset
|
2346 strlen(altclasses_jar); |
| 6197 | 2347 char* altclasses_path = NEW_C_HEAP_ARRAY(char, altclasses_path_len, mtInternal); |
|
531
40ee984935b9
6792705: Add JAR file to bootclasspath when using AggressiveOpts
phh
parents:
513
diff
changeset
|
2348 strcpy(altclasses_path, get_meta_index_dir()); |
|
40ee984935b9
6792705: Add JAR file to bootclasspath when using AggressiveOpts
phh
parents:
513
diff
changeset
|
2349 strcat(altclasses_path, altclasses_jar); |
|
40ee984935b9
6792705: Add JAR file to bootclasspath when using AggressiveOpts
phh
parents:
513
diff
changeset
|
2350 scp.add_suffix_to_prefix(altclasses_path); |
|
40ee984935b9
6792705: Add JAR file to bootclasspath when using AggressiveOpts
phh
parents:
513
diff
changeset
|
2351 scp_assembly_required = true; |
| 6197 | 2352 FREE_C_HEAP_ARRAY(char, altclasses_path, mtInternal); |
|
531
40ee984935b9
6792705: Add JAR file to bootclasspath when using AggressiveOpts
phh
parents:
513
diff
changeset
|
2353 } |
|
40ee984935b9
6792705: Add JAR file to bootclasspath when using AggressiveOpts
phh
parents:
513
diff
changeset
|
2354 |
| 0 | 2355 // Parse _JAVA_OPTIONS environment variable (if present) (mimics classic VM) |
| 2356 result = parse_java_options_environment_variable(&scp, &scp_assembly_required); | |
| 2357 if (result != JNI_OK) { | |
| 2358 return result; | |
| 2359 } | |
| 2360 | |
| 2361 // Do final processing now that all arguments have been parsed | |
| 2362 result = finalize_vm_init_args(&scp, scp_assembly_required); | |
| 2363 if (result != JNI_OK) { | |
| 2364 return result; | |
| 2365 } | |
| 2366 | |
| 2367 return JNI_OK; | |
| 2368 } | |
| 2369 | |
|
10170
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2370 // Checks if name in command-line argument -agent{lib,path}:name[=options] |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2371 // represents a valid HPROF of JDWP agent. is_path==true denotes that we |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2372 // are dealing with -agentpath (case where name is a path), otherwise with |
|
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2373 // -agentlib |
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2374 bool valid_hprof_or_jdwp_agent(char *name, bool is_path) { |
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2375 char *_name; |
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2376 const char *_hprof = "hprof", *_jdwp = "jdwp"; |
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2377 size_t _len_hprof, _len_jdwp, _len_prefix; |
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2378 |
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2379 if (is_path) { |
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2380 if ((_name = strrchr(name, (int) *os::file_separator())) == NULL) { |
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2381 return false; |
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|
2382 } |
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2383 |
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2384 _name++; // skip past last path separator |
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2385 _len_prefix = strlen(JNI_LIB_PREFIX); |
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2386 |
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2387 if (strncmp(_name, JNI_LIB_PREFIX, _len_prefix) != 0) { |
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2388 return false; |
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2389 } |
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2390 |
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2391 _name += _len_prefix; |
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2392 _len_hprof = strlen(_hprof); |
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2393 _len_jdwp = strlen(_jdwp); |
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2394 |
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2395 if (strncmp(_name, _hprof, _len_hprof) == 0) { |
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2396 _name += _len_hprof; |
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2397 } |
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2398 else if (strncmp(_name, _jdwp, _len_jdwp) == 0) { |
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2399 _name += _len_jdwp; |
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2400 } |
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|
2401 else { |
|
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2402 return false; |
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|
2403 } |
|
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|
2404 |
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2405 if (strcmp(_name, JNI_LIB_SUFFIX) != 0) { |
|
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2406 return false; |
|
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|
2407 } |
|
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|
2408 |
|
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|
2409 return true; |
|
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|
2410 } |
|
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|
2411 |
|
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2412 if (strcmp(name, _hprof) == 0 || strcmp(name, _jdwp) == 0) { |
|
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2413 return true; |
|
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|
2414 } |
|
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|
2415 |
|
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2416 return false; |
|
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|
2417 } |
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|
2418 |
| 0 | 2419 jint Arguments::parse_each_vm_init_arg(const JavaVMInitArgs* args, |
| 2420 SysClassPath* scp_p, | |
| 2421 bool* scp_assembly_required_p, | |
| 2422 FlagValueOrigin origin) { | |
| 2423 // Remaining part of option string | |
| 2424 const char* tail; | |
| 2425 | |
| 2426 // iterate over arguments | |
| 2427 for (int index = 0; index < args->nOptions; index++) { | |
| 2428 bool is_absolute_path = false; // for -agentpath vs -agentlib | |
| 2429 | |
| 2430 const JavaVMOption* option = args->options + index; | |
| 2431 | |
| 2432 if (!match_option(option, "-Djava.class.path", &tail) && | |
| 2433 !match_option(option, "-Dsun.java.command", &tail) && | |
| 2434 !match_option(option, "-Dsun.java.launcher", &tail)) { | |
| 2435 | |
| 2436 // add all jvm options to the jvm_args string. This string | |
| 2437 // is used later to set the java.vm.args PerfData string constant. | |
| 2438 // the -Djava.class.path and the -Dsun.java.command options are | |
| 2439 // omitted from jvm_args string as each have their own PerfData | |
| 2440 // string constant object. | |
| 2441 build_jvm_args(option->optionString); | |
| 2442 } | |
| 2443 | |
| 2444 // -verbose:[class/gc/jni] | |
| 2445 if (match_option(option, "-verbose", &tail)) { | |
| 2446 if (!strcmp(tail, ":class") || !strcmp(tail, "")) { | |
| 2447 FLAG_SET_CMDLINE(bool, TraceClassLoading, true); | |
| 2448 FLAG_SET_CMDLINE(bool, TraceClassUnloading, true); | |
| 2449 } else if (!strcmp(tail, ":gc")) { | |
| 2450 FLAG_SET_CMDLINE(bool, PrintGC, true); | |
| 2451 } else if (!strcmp(tail, ":jni")) { | |
| 2452 FLAG_SET_CMDLINE(bool, PrintJNIResolving, true); | |
| 2453 } | |
| 2454 // -da / -ea / -disableassertions / -enableassertions | |
| 2455 // These accept an optional class/package name separated by a colon, e.g., | |
| 2456 // -da:java.lang.Thread. | |
| 2457 } else if (match_option(option, user_assertion_options, &tail, true)) { | |
| 2458 bool enable = option->optionString[1] == 'e'; // char after '-' is 'e' | |
| 2459 if (*tail == '\0') { | |
| 2460 JavaAssertions::setUserClassDefault(enable); | |
| 2461 } else { | |
| 2462 assert(*tail == ':', "bogus match by match_option()"); | |
| 2463 JavaAssertions::addOption(tail + 1, enable); | |
| 2464 } | |
| 2465 // -dsa / -esa / -disablesystemassertions / -enablesystemassertions | |
| 2466 } else if (match_option(option, system_assertion_options, &tail, false)) { | |
| 2467 bool enable = option->optionString[1] == 'e'; // char after '-' is 'e' | |
| 2468 JavaAssertions::setSystemClassDefault(enable); | |
| 2469 // -bootclasspath: | |
| 2470 } else if (match_option(option, "-Xbootclasspath:", &tail)) { | |
| 2471 scp_p->reset_path(tail); | |
| 2472 *scp_assembly_required_p = true; | |
| 2473 // -bootclasspath/a: | |
| 2474 } else if (match_option(option, "-Xbootclasspath/a:", &tail)) { | |
| 2475 scp_p->add_suffix(tail); | |
| 2476 *scp_assembly_required_p = true; | |
| 2477 // -bootclasspath/p: | |
| 2478 } else if (match_option(option, "-Xbootclasspath/p:", &tail)) { | |
| 2479 scp_p->add_prefix(tail); | |
| 2480 *scp_assembly_required_p = true; | |
| 2481 // -Xrun | |
| 2482 } else if (match_option(option, "-Xrun", &tail)) { | |
|
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|
2483 if (tail != NULL) { |
| 0 | 2484 const char* pos = strchr(tail, ':'); |
| 2485 size_t len = (pos == NULL) ? strlen(tail) : pos - tail; | |
| 6197 | 2486 char* name = (char*)memcpy(NEW_C_HEAP_ARRAY(char, len + 1, mtInternal), tail, len); |
| 0 | 2487 name[len] = '\0'; |
| 2488 | |
| 2489 char *options = NULL; | |
| 2490 if(pos != NULL) { | |
| 2491 size_t len2 = strlen(pos+1) + 1; // options start after ':'. Final zero must be copied. | |
| 6197 | 2492 options = (char*)memcpy(NEW_C_HEAP_ARRAY(char, len2, mtInternal), pos+1, len2); |
| 0 | 2493 } |
|
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|
2494 #if !INCLUDE_JVMTI |
| 0 | 2495 if ((strcmp(name, "hprof") == 0) || (strcmp(name, "jdwp") == 0)) { |
|
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2496 jio_fprintf(defaultStream::error_stream(), |
|
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|
2497 "Profiling and debugging agents are not supported in this VM\n"); |
|
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|
2498 return JNI_ERR; |
|
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|
2499 } |
|
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|
2500 #endif // !INCLUDE_JVMTI |
|
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|
2501 add_init_library(name, options); |
| 0 | 2502 } |
| 2503 // -agentlib and -agentpath | |
| 2504 } else if (match_option(option, "-agentlib:", &tail) || | |
| 2505 (is_absolute_path = match_option(option, "-agentpath:", &tail))) { | |
| 2506 if(tail != NULL) { | |
| 2507 const char* pos = strchr(tail, '='); | |
| 2508 size_t len = (pos == NULL) ? strlen(tail) : pos - tail; | |
| 6197 | 2509 char* name = strncpy(NEW_C_HEAP_ARRAY(char, len + 1, mtInternal), tail, len); |
| 0 | 2510 name[len] = '\0'; |
| 2511 | |
| 2512 char *options = NULL; | |
| 2513 if(pos != NULL) { | |
| 6197 | 2514 options = strcpy(NEW_C_HEAP_ARRAY(char, strlen(pos + 1) + 1, mtInternal), pos + 1); |
| 0 | 2515 } |
|
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|
2516 #if !INCLUDE_JVMTI |
|
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2517 if (valid_hprof_or_jdwp_agent(name, is_absolute_path)) { |
|
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2518 jio_fprintf(defaultStream::error_stream(), |
|
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2519 "Profiling and debugging agents are not supported in this VM\n"); |
|
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|
2520 return JNI_ERR; |
|
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|
2521 } |
|
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|
2522 #endif // !INCLUDE_JVMTI |
| 0 | 2523 add_init_agent(name, options, is_absolute_path); |
| 2524 } | |
| 2525 // -javaagent | |
| 2526 } else if (match_option(option, "-javaagent:", &tail)) { | |
|
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|
2527 #if !INCLUDE_JVMTI |
|
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2528 jio_fprintf(defaultStream::error_stream(), |
|
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|
2529 "Instrumentation agents are not supported in this VM\n"); |
|
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|
2530 return JNI_ERR; |
|
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|
2531 #else |
| 0 | 2532 if(tail != NULL) { |
| 6197 | 2533 char *options = strcpy(NEW_C_HEAP_ARRAY(char, strlen(tail) + 1, mtInternal), tail); |
| 0 | 2534 add_init_agent("instrument", options, false); |
| 2535 } | |
|
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|
2536 #endif // !INCLUDE_JVMTI |
| 0 | 2537 // -Xnoclassgc |
| 2538 } else if (match_option(option, "-Xnoclassgc", &tail)) { | |
| 2539 FLAG_SET_CMDLINE(bool, ClassUnloading, false); | |
| 2540 // -Xincgc: i-CMS | |
| 2541 } else if (match_option(option, "-Xincgc", &tail)) { | |
| 2542 FLAG_SET_CMDLINE(bool, UseConcMarkSweepGC, true); | |
| 2543 FLAG_SET_CMDLINE(bool, CMSIncrementalMode, true); | |
| 2544 // -Xnoincgc: no i-CMS | |
| 2545 } else if (match_option(option, "-Xnoincgc", &tail)) { | |
| 2546 FLAG_SET_CMDLINE(bool, UseConcMarkSweepGC, false); | |
| 2547 FLAG_SET_CMDLINE(bool, CMSIncrementalMode, false); | |
| 2548 // -Xconcgc | |
| 2549 } else if (match_option(option, "-Xconcgc", &tail)) { | |
| 2550 FLAG_SET_CMDLINE(bool, UseConcMarkSweepGC, true); | |
| 2551 // -Xnoconcgc | |
| 2552 } else if (match_option(option, "-Xnoconcgc", &tail)) { | |
| 2553 FLAG_SET_CMDLINE(bool, UseConcMarkSweepGC, false); | |
| 2554 // -Xbatch | |
| 2555 } else if (match_option(option, "-Xbatch", &tail)) { | |
| 2556 FLAG_SET_CMDLINE(bool, BackgroundCompilation, false); | |
| 2557 // -Xmn for compatibility with other JVM vendors | |
| 2558 } else if (match_option(option, "-Xmn", &tail)) { | |
|
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|
2559 julong long_initial_eden_size = 0; |
| 0 | 2560 ArgsRange errcode = parse_memory_size(tail, &long_initial_eden_size, 1); |
| 2561 if (errcode != arg_in_range) { | |
| 2562 jio_fprintf(defaultStream::error_stream(), | |
| 2563 "Invalid initial eden size: %s\n", option->optionString); | |
| 2564 describe_range_error(errcode); | |
| 2565 return JNI_EINVAL; | |
| 2566 } | |
| 1064 | 2567 FLAG_SET_CMDLINE(uintx, MaxNewSize, (uintx)long_initial_eden_size); |
| 2568 FLAG_SET_CMDLINE(uintx, NewSize, (uintx)long_initial_eden_size); | |
| 0 | 2569 // -Xms |
| 2570 } else if (match_option(option, "-Xms", &tail)) { | |
|
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|
2571 julong long_initial_heap_size = 0; |
|
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2572 // an initial heap size of 0 means automatically determine |
|
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|
2573 ArgsRange errcode = parse_memory_size(tail, &long_initial_heap_size, 0); |
| 0 | 2574 if (errcode != arg_in_range) { |
| 2575 jio_fprintf(defaultStream::error_stream(), | |
| 2576 "Invalid initial heap size: %s\n", option->optionString); | |
| 2577 describe_range_error(errcode); | |
| 2578 return JNI_EINVAL; | |
| 2579 } | |
| 1064 | 2580 FLAG_SET_CMDLINE(uintx, InitialHeapSize, (uintx)long_initial_heap_size); |
| 0 | 2581 // Currently the minimum size and the initial heap sizes are the same. |
| 1064 | 2582 set_min_heap_size(InitialHeapSize); |
| 0 | 2583 // -Xmx |
|
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|
2584 } else if (match_option(option, "-Xmx", &tail) || match_option(option, "-XX:MaxHeapSize=", &tail)) { |
|
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|
2585 julong long_max_heap_size = 0; |
| 0 | 2586 ArgsRange errcode = parse_memory_size(tail, &long_max_heap_size, 1); |
| 2587 if (errcode != arg_in_range) { | |
| 2588 jio_fprintf(defaultStream::error_stream(), | |
| 2589 "Invalid maximum heap size: %s\n", option->optionString); | |
| 2590 describe_range_error(errcode); | |
| 2591 return JNI_EINVAL; | |
| 2592 } | |
| 1064 | 2593 FLAG_SET_CMDLINE(uintx, MaxHeapSize, (uintx)long_max_heap_size); |
| 0 | 2594 // Xmaxf |
| 2595 } else if (match_option(option, "-Xmaxf", &tail)) { | |
| 2596 int maxf = (int)(atof(tail) * 100); | |
| 2597 if (maxf < 0 || maxf > 100) { | |
| 2598 jio_fprintf(defaultStream::error_stream(), | |
| 2599 "Bad max heap free percentage size: %s\n", | |
| 2600 option->optionString); | |
| 2601 return JNI_EINVAL; | |
| 2602 } else { | |
| 2603 FLAG_SET_CMDLINE(uintx, MaxHeapFreeRatio, maxf); | |
| 2604 } | |
| 2605 // Xminf | |
| 2606 } else if (match_option(option, "-Xminf", &tail)) { | |
| 2607 int minf = (int)(atof(tail) * 100); | |
| 2608 if (minf < 0 || minf > 100) { | |
| 2609 jio_fprintf(defaultStream::error_stream(), | |
| 2610 "Bad min heap free percentage size: %s\n", | |
| 2611 option->optionString); | |
| 2612 return JNI_EINVAL; | |
| 2613 } else { | |
| 2614 FLAG_SET_CMDLINE(uintx, MinHeapFreeRatio, minf); | |
| 2615 } | |
| 2616 // -Xss | |
| 2617 } else if (match_option(option, "-Xss", &tail)) { | |
|
489
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swamyv
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483
diff
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|
2618 julong long_ThreadStackSize = 0; |
| 0 | 2619 ArgsRange errcode = parse_memory_size(tail, &long_ThreadStackSize, 1000); |
| 2620 if (errcode != arg_in_range) { | |
| 2621 jio_fprintf(defaultStream::error_stream(), | |
| 2622 "Invalid thread stack size: %s\n", option->optionString); | |
| 2623 describe_range_error(errcode); | |
| 2624 return JNI_EINVAL; | |
| 2625 } | |
| 2626 // Internally track ThreadStackSize in units of 1024 bytes. | |
| 2627 FLAG_SET_CMDLINE(intx, ThreadStackSize, | |
| 2628 round_to((int)long_ThreadStackSize, K) / K); | |
| 2629 // -Xoss | |
| 2630 } else if (match_option(option, "-Xoss", &tail)) { | |
| 2631 // HotSpot does not have separate native and Java stacks, ignore silently for compatibility | |
|
11079
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diff
changeset
|
2632 } else if (match_option(option, "-XX:CodeCacheExpansionSize=", &tail)) { |
|
738e04fb1232
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diff
changeset
|
2633 julong long_CodeCacheExpansionSize = 0; |
|
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
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11006
diff
changeset
|
2634 ArgsRange errcode = parse_memory_size(tail, &long_CodeCacheExpansionSize, os::vm_page_size()); |
|
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
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11006
diff
changeset
|
2635 if (errcode != arg_in_range) { |
|
738e04fb1232
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11006
diff
changeset
|
2636 jio_fprintf(defaultStream::error_stream(), |
|
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
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11006
diff
changeset
|
2637 "Invalid argument: %s. Must be at least %luK.\n", option->optionString, |
|
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
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11006
diff
changeset
|
2638 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
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|
2639 return JNI_EINVAL; |
|
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
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11006
diff
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|
2640 } |
|
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
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11006
diff
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|
2641 FLAG_SET_CMDLINE(uintx, CodeCacheExpansionSize, (uintx)long_CodeCacheExpansionSize); |
|
2095
36c186bcc085
6302804: Hotspot VM dies ungraceful death when C heap is exhausted in various places.
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2002
diff
changeset
|
2642 } else if (match_option(option, "-Xmaxjitcodesize", &tail) || |
|
36c186bcc085
6302804: Hotspot VM dies ungraceful death when C heap is exhausted in various places.
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2002
diff
changeset
|
2643 match_option(option, "-XX:ReservedCodeCacheSize=", &tail)) { |
|
489
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diff
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|
2644 julong long_ReservedCodeCacheSize = 0; |
|
11079
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diff
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|
2645 |
|
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.
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10319
diff
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|
2646 ArgsRange errcode = parse_memory_size(tail, &long_ReservedCodeCacheSize, 1); |
| 0 | 2647 if (errcode != arg_in_range) { |
| 2648 jio_fprintf(defaultStream::error_stream(), | |
|
10392
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10319
diff
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|
2649 "Invalid maximum code cache size: %s.\n", option->optionString); |
| 0 | 2650 return JNI_EINVAL; |
| 2651 } | |
| 2652 FLAG_SET_CMDLINE(uintx, ReservedCodeCacheSize, (uintx)long_ReservedCodeCacheSize); | |
|
10319
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
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10294
diff
changeset
|
2653 //-XX:IncreaseFirstTierCompileThresholdAt= |
|
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
parents:
10294
diff
changeset
|
2654 } 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
|
2655 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
|
2656 if (!parse_uintx(tail, &uint_IncreaseFirstTierCompileThresholdAt, 0) || uint_IncreaseFirstTierCompileThresholdAt > 99) { |
|
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
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10294
diff
changeset
|
2657 jio_fprintf(defaultStream::error_stream(), |
|
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
parents:
10294
diff
changeset
|
2658 "Invalid value for IncreaseFirstTierCompileThresholdAt: %s. Should be between 0 and 99.\n", |
|
91eba9f82325
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anoll
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10294
diff
changeset
|
2659 option->optionString); |
|
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
parents:
10294
diff
changeset
|
2660 return JNI_EINVAL; |
|
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
parents:
10294
diff
changeset
|
2661 } |
|
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
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10294
diff
changeset
|
2662 FLAG_SET_CMDLINE(uintx, IncreaseFirstTierCompileThresholdAt, (uintx)uint_IncreaseFirstTierCompileThresholdAt); |
| 0 | 2663 // -green |
| 2664 } else if (match_option(option, "-green", &tail)) { | |
| 2665 jio_fprintf(defaultStream::error_stream(), | |
| 2666 "Green threads support not available\n"); | |
| 2667 return JNI_EINVAL; | |
| 2668 // -native | |
| 2669 } else if (match_option(option, "-native", &tail)) { | |
| 2670 // HotSpot always uses native threads, ignore silently for compatibility | |
| 2671 // -Xsqnopause | |
| 2672 } else if (match_option(option, "-Xsqnopause", &tail)) { | |
| 2673 // EVM option, ignore silently for compatibility | |
| 2674 // -Xrs | |
| 2675 } else if (match_option(option, "-Xrs", &tail)) { | |
| 2676 // Classic/EVM option, new functionality | |
| 2677 FLAG_SET_CMDLINE(bool, ReduceSignalUsage, true); | |
| 2678 } else if (match_option(option, "-Xusealtsigs", &tail)) { | |
| 2679 // change default internal VM signals used - lower case for back compat | |
| 2680 FLAG_SET_CMDLINE(bool, UseAltSigs, true); | |
| 2681 // -Xoptimize | |
| 2682 } else if (match_option(option, "-Xoptimize", &tail)) { | |
| 2683 // EVM option, ignore silently for compatibility | |
| 2684 // -Xprof | |
| 2685 } else if (match_option(option, "-Xprof", &tail)) { | |
|
6854
fb19af007ffc
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jprovino
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6818
diff
changeset
|
2686 #if INCLUDE_FPROF |
| 0 | 2687 _has_profile = true; |
|
6854
fb19af007ffc
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jprovino
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6818
diff
changeset
|
2688 #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
|
2689 jio_fprintf(defaultStream::error_stream(), |
|
fad90b102190
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jprovino
parents:
8105
diff
changeset
|
2690 "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
|
2691 return JNI_ERR; |
|
6854
fb19af007ffc
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6818
diff
changeset
|
2692 #endif // INCLUDE_FPROF |
| 0 | 2693 // -Xaprof |
| 2694 } else if (match_option(option, "-Xaprof", &tail)) { | |
| 2695 _has_alloc_profile = true; | |
| 2696 // -Xconcurrentio | |
| 2697 } else if (match_option(option, "-Xconcurrentio", &tail)) { | |
| 2698 FLAG_SET_CMDLINE(bool, UseLWPSynchronization, true); | |
| 2699 FLAG_SET_CMDLINE(bool, BackgroundCompilation, false); | |
| 2700 FLAG_SET_CMDLINE(intx, DeferThrSuspendLoopCount, 1); | |
| 2701 FLAG_SET_CMDLINE(bool, UseTLAB, false); | |
| 2702 FLAG_SET_CMDLINE(uintx, NewSizeThreadIncrease, 16 * K); // 20Kb per thread added to new generation | |
| 2703 | |
| 2704 // -Xinternalversion | |
| 2705 } else if (match_option(option, "-Xinternalversion", &tail)) { | |
| 2706 jio_fprintf(defaultStream::output_stream(), "%s\n", | |
| 2707 VM_Version::internal_vm_info_string()); | |
| 2708 vm_exit(0); | |
| 2709 #ifndef PRODUCT | |
| 2710 // -Xprintflags | |
| 2711 } else if (match_option(option, "-Xprintflags", &tail)) { | |
| 4773 | 2712 CommandLineFlags::printFlags(tty, false); |
| 0 | 2713 vm_exit(0); |
| 2714 #endif | |
| 2715 // -D | |
| 2716 } else if (match_option(option, "-D", &tail)) { | |
| 2717 if (!add_property(tail)) { | |
| 2718 return JNI_ENOMEM; | |
| 2719 } | |
| 2720 // Out of the box management support | |
| 2721 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
|
2722 #if INCLUDE_MANAGEMENT |
| 0 | 2723 FLAG_SET_CMDLINE(bool, ManagementServer, true); |
|
8081
579f6adb7f51
8003539: Minimal VM don't react to -Dcom.sun.management and -XX:+ManagementServer
jprovino
parents:
8002
diff
changeset
|
2724 #else |
|
8720
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
2725 jio_fprintf(defaultStream::output_stream(), |
|
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
2726 "-Dcom.sun.management is not supported in this VM.\n"); |
|
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
2727 return JNI_ERR; |
|
8081
579f6adb7f51
8003539: Minimal VM don't react to -Dcom.sun.management and -XX:+ManagementServer
jprovino
parents:
8002
diff
changeset
|
2728 #endif |
| 0 | 2729 } |
| 2730 // -Xint | |
| 2731 } else if (match_option(option, "-Xint", &tail)) { | |
| 2732 set_mode_flags(_int); | |
| 2733 // -Xmixed | |
| 2734 } else if (match_option(option, "-Xmixed", &tail)) { | |
| 2735 set_mode_flags(_mixed); | |
| 2736 // -Xcomp | |
| 2737 } else if (match_option(option, "-Xcomp", &tail)) { | |
| 2738 // for testing the compiler; turn off all flags that inhibit compilation | |
| 2739 set_mode_flags(_comp); | |
| 2740 // -Xshare:dump | |
| 2741 } else if (match_option(option, "-Xshare:dump", &tail)) { | |
| 2742 FLAG_SET_CMDLINE(bool, DumpSharedSpaces, true); | |
| 2743 set_mode_flags(_int); // Prevent compilation, which creates objects | |
| 2744 // -Xshare:on | |
| 2745 } else if (match_option(option, "-Xshare:on", &tail)) { | |
| 2746 FLAG_SET_CMDLINE(bool, UseSharedSpaces, true); | |
| 2747 FLAG_SET_CMDLINE(bool, RequireSharedSpaces, true); | |
| 2748 // -Xshare:auto | |
| 2749 } else if (match_option(option, "-Xshare:auto", &tail)) { | |
| 2750 FLAG_SET_CMDLINE(bool, UseSharedSpaces, true); | |
| 2751 FLAG_SET_CMDLINE(bool, RequireSharedSpaces, false); | |
| 2752 // -Xshare:off | |
| 2753 } else if (match_option(option, "-Xshare:off", &tail)) { | |
| 2754 FLAG_SET_CMDLINE(bool, UseSharedSpaces, false); | |
| 2755 FLAG_SET_CMDLINE(bool, RequireSharedSpaces, false); | |
| 2756 // -Xverify | |
| 2757 } else if (match_option(option, "-Xverify", &tail)) { | |
| 2758 if (strcmp(tail, ":all") == 0 || strcmp(tail, "") == 0) { | |
| 2759 FLAG_SET_CMDLINE(bool, BytecodeVerificationLocal, true); | |
| 2760 FLAG_SET_CMDLINE(bool, BytecodeVerificationRemote, true); | |
| 2761 } else if (strcmp(tail, ":remote") == 0) { | |
| 2762 FLAG_SET_CMDLINE(bool, BytecodeVerificationLocal, false); | |
| 2763 FLAG_SET_CMDLINE(bool, BytecodeVerificationRemote, true); | |
| 2764 } else if (strcmp(tail, ":none") == 0) { | |
| 2765 FLAG_SET_CMDLINE(bool, BytecodeVerificationLocal, false); | |
| 2766 FLAG_SET_CMDLINE(bool, BytecodeVerificationRemote, false); | |
| 2767 } else if (is_bad_option(option, args->ignoreUnrecognized, "verification")) { | |
| 2768 return JNI_EINVAL; | |
| 2769 } | |
| 2770 // -Xdebug | |
| 2771 } else if (match_option(option, "-Xdebug", &tail)) { | |
| 2772 // note this flag has been used, then ignore | |
| 2773 set_xdebug_mode(true); | |
| 2774 // -Xnoagent | |
| 2775 } else if (match_option(option, "-Xnoagent", &tail)) { | |
| 2776 // For compatibility with classic. HotSpot refuses to load the old style agent.dll. | |
| 2777 } else if (match_option(option, "-Xboundthreads", &tail)) { | |
| 2778 // Bind user level threads to kernel threads (Solaris only) | |
| 2779 FLAG_SET_CMDLINE(bool, UseBoundThreads, true); | |
| 2780 } else if (match_option(option, "-Xloggc:", &tail)) { | |
| 2781 // Redirect GC output to the file. -Xloggc:<filename> | |
| 2782 // ostream_init_log(), when called will use this filename | |
| 2783 // to initialize a fileStream. | |
| 2784 _gc_log_filename = strdup(tail); | |
| 2785 FLAG_SET_CMDLINE(bool, PrintGC, true); | |
| 2786 FLAG_SET_CMDLINE(bool, PrintGCTimeStamps, true); | |
| 2787 | |
| 2788 // JNI hooks | |
| 2789 } else if (match_option(option, "-Xcheck", &tail)) { | |
| 2790 if (!strcmp(tail, ":jni")) { | |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
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6818
diff
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|
2791 #if !INCLUDE_JNI_CHECK |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2792 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
|
2793 #else |
| 0 | 2794 CheckJNICalls = true; |
|
6854
fb19af007ffc
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jprovino
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6818
diff
changeset
|
2795 #endif // INCLUDE_JNI_CHECK |
| 0 | 2796 } else if (is_bad_option(option, args->ignoreUnrecognized, |
| 2797 "check")) { | |
| 2798 return JNI_EINVAL; | |
| 2799 } | |
| 2800 } else if (match_option(option, "vfprintf", &tail)) { | |
| 2801 _vfprintf_hook = CAST_TO_FN_PTR(vfprintf_hook_t, option->extraInfo); | |
| 2802 } else if (match_option(option, "exit", &tail)) { | |
| 2803 _exit_hook = CAST_TO_FN_PTR(exit_hook_t, option->extraInfo); | |
| 2804 } else if (match_option(option, "abort", &tail)) { | |
| 2805 _abort_hook = CAST_TO_FN_PTR(abort_hook_t, option->extraInfo); | |
| 2806 // -XX:+AggressiveHeap | |
| 2807 } else if (match_option(option, "-XX:+AggressiveHeap", &tail)) { | |
| 2808 | |
| 2809 // This option inspects the machine and attempts to set various | |
| 2810 // parameters to be optimal for long-running, memory allocation | |
| 2811 // intensive jobs. It is intended for machines with large | |
| 2812 // amounts of cpu and memory. | |
| 2813 | |
| 2814 // initHeapSize is needed since _initial_heap_size is 4 bytes on a 32 bit | |
| 2815 // VM, but we may not be able to represent the total physical memory | |
| 2816 // available (like having 8gb of memory on a box but using a 32bit VM). | |
| 2817 // Thus, we need to make sure we're using a julong for intermediate | |
| 2818 // calculations. | |
| 2819 julong initHeapSize; | |
| 2820 julong total_memory = os::physical_memory(); | |
| 2821 | |
| 2822 if (total_memory < (julong)256*M) { | |
| 2823 jio_fprintf(defaultStream::error_stream(), | |
| 2824 "You need at least 256mb of memory to use -XX:+AggressiveHeap\n"); | |
| 2825 vm_exit(1); | |
| 2826 } | |
| 2827 | |
| 2828 // The heap size is half of available memory, or (at most) | |
| 2829 // all of possible memory less 160mb (leaving room for the OS | |
| 2830 // when using ISM). This is the maximum; because adaptive sizing | |
| 2831 // is turned on below, the actual space used may be smaller. | |
| 2832 | |
| 2833 initHeapSize = MIN2(total_memory / (julong)2, | |
| 2834 total_memory - (julong)160*M); | |
| 2835 | |
|
8854
754c24457b20
7112912: Message "Error occurred during initialization of VM" on boxes with lots of RAM
tschatzl
parents:
8824
diff
changeset
|
2836 initHeapSize = limit_by_allocatable_memory(initHeapSize); |
| 0 | 2837 |
| 2838 if (FLAG_IS_DEFAULT(MaxHeapSize)) { | |
| 2839 FLAG_SET_CMDLINE(uintx, MaxHeapSize, initHeapSize); | |
| 1064 | 2840 FLAG_SET_CMDLINE(uintx, InitialHeapSize, initHeapSize); |
| 0 | 2841 // Currently the minimum size and the initial heap sizes are the same. |
| 1064 | 2842 set_min_heap_size(initHeapSize); |
| 0 | 2843 } |
| 2844 if (FLAG_IS_DEFAULT(NewSize)) { | |
| 2845 // Make the young generation 3/8ths of the total heap. | |
| 2846 FLAG_SET_CMDLINE(uintx, NewSize, | |
| 2847 ((julong)MaxHeapSize / (julong)8) * (julong)3); | |
| 2848 FLAG_SET_CMDLINE(uintx, MaxNewSize, NewSize); | |
| 2849 } | |
| 2850 | |
|
6917
e81fbc04a942
7191817: -XX:+UseSerialGC -XX:+UseLargePages crashes with SIGFPE on MacOS X
coleenp
parents:
6916
diff
changeset
|
2851 #ifndef _ALLBSD_SOURCE // UseLargePages is not yet supported on BSD. |
| 0 | 2852 FLAG_SET_DEFAULT(UseLargePages, true); |
|
6917
e81fbc04a942
7191817: -XX:+UseSerialGC -XX:+UseLargePages crashes with SIGFPE on MacOS X
coleenp
parents:
6916
diff
changeset
|
2853 #endif |
| 0 | 2854 |
| 2855 // Increase some data structure sizes for efficiency | |
| 2856 FLAG_SET_CMDLINE(uintx, BaseFootPrintEstimate, MaxHeapSize); | |
| 2857 FLAG_SET_CMDLINE(bool, ResizeTLAB, false); | |
| 2858 FLAG_SET_CMDLINE(uintx, TLABSize, 256*K); | |
| 2859 | |
| 2860 // See the OldPLABSize comment below, but replace 'after promotion' | |
| 2861 // with 'after copying'. YoungPLABSize is the size of the survivor | |
| 2862 // space per-gc-thread buffers. The default is 4kw. | |
| 2863 FLAG_SET_CMDLINE(uintx, YoungPLABSize, 256*K); // Note: this is in words | |
| 2864 | |
| 2865 // OldPLABSize is the size of the buffers in the old gen that | |
| 2866 // UseParallelGC uses to promote live data that doesn't fit in the | |
| 2867 // survivor spaces. At any given time, there's one for each gc thread. | |
| 2868 // The default size is 1kw. These buffers are rarely used, since the | |
| 2869 // survivor spaces are usually big enough. For specjbb, however, there | |
| 2870 // are occasions when there's lots of live data in the young gen | |
| 2871 // and we end up promoting some of it. We don't have a definite | |
| 2872 // explanation for why bumping OldPLABSize helps, but the theory | |
| 2873 // is that a bigger PLAB results in retaining something like the | |
| 2874 // original allocation order after promotion, which improves mutator | |
| 2875 // locality. A minor effect may be that larger PLABs reduce the | |
| 2876 // number of PLAB allocation events during gc. The value of 8kw | |
| 2877 // was arrived at by experimenting with specjbb. | |
| 2878 FLAG_SET_CMDLINE(uintx, OldPLABSize, 8*K); // Note: this is in words | |
| 2879 | |
| 2880 // Enable parallel GC and adaptive generation sizing | |
| 2881 FLAG_SET_CMDLINE(bool, UseParallelGC, true); | |
|
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|
2882 FLAG_SET_DEFAULT(ParallelGCThreads, |
|
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changeset
|
2883 Abstract_VM_Version::parallel_worker_threads()); |
| 0 | 2884 |
| 2885 // Encourage steady state memory management | |
| 2886 FLAG_SET_CMDLINE(uintx, ThresholdTolerance, 100); | |
| 2887 | |
| 2888 // This appears to improve mutator locality | |
| 2889 FLAG_SET_CMDLINE(bool, ScavengeBeforeFullGC, false); | |
| 2890 | |
| 2891 // Get around early Solaris scheduling bug | |
| 2892 // (affinity vs other jobs on system) | |
| 2893 // but disallow DR and offlining (5008695). | |
| 2894 FLAG_SET_CMDLINE(bool, BindGCTaskThreadsToCPUs, true); | |
| 2895 | |
| 2896 } else if (match_option(option, "-XX:+NeverTenure", &tail)) { | |
| 2897 // The last option must always win. | |
| 2898 FLAG_SET_CMDLINE(bool, AlwaysTenure, false); | |
| 2899 FLAG_SET_CMDLINE(bool, NeverTenure, true); | |
| 2900 } else if (match_option(option, "-XX:+AlwaysTenure", &tail)) { | |
| 2901 // The last option must always win. | |
| 2902 FLAG_SET_CMDLINE(bool, NeverTenure, false); | |
| 2903 FLAG_SET_CMDLINE(bool, AlwaysTenure, true); | |
| 2904 } else if (match_option(option, "-XX:+CMSPermGenSweepingEnabled", &tail) || | |
| 2905 match_option(option, "-XX:-CMSPermGenSweepingEnabled", &tail)) { | |
| 2906 jio_fprintf(defaultStream::error_stream(), | |
| 2907 "Please use CMSClassUnloadingEnabled in place of " | |
| 2908 "CMSPermGenSweepingEnabled in the future\n"); | |
| 2909 } else if (match_option(option, "-XX:+UseGCTimeLimit", &tail)) { | |
| 2910 FLAG_SET_CMDLINE(bool, UseGCOverheadLimit, true); | |
| 2911 jio_fprintf(defaultStream::error_stream(), | |
| 2912 "Please use -XX:+UseGCOverheadLimit in place of " | |
| 2913 "-XX:+UseGCTimeLimit in the future\n"); | |
| 2914 } else if (match_option(option, "-XX:-UseGCTimeLimit", &tail)) { | |
| 2915 FLAG_SET_CMDLINE(bool, UseGCOverheadLimit, false); | |
| 2916 jio_fprintf(defaultStream::error_stream(), | |
| 2917 "Please use -XX:-UseGCOverheadLimit in place of " | |
| 2918 "-XX:-UseGCTimeLimit in the future\n"); | |
| 2919 // The TLE options are for compatibility with 1.3 and will be | |
| 2920 // removed without notice in a future release. These options | |
| 2921 // are not to be documented. | |
| 2922 } else if (match_option(option, "-XX:MaxTLERatio=", &tail)) { | |
| 2923 // No longer used. | |
| 2924 } else if (match_option(option, "-XX:+ResizeTLE", &tail)) { | |
| 2925 FLAG_SET_CMDLINE(bool, ResizeTLAB, true); | |
| 2926 } else if (match_option(option, "-XX:-ResizeTLE", &tail)) { | |
| 2927 FLAG_SET_CMDLINE(bool, ResizeTLAB, false); | |
| 2928 } else if (match_option(option, "-XX:+PrintTLE", &tail)) { | |
| 2929 FLAG_SET_CMDLINE(bool, PrintTLAB, true); | |
| 2930 } else if (match_option(option, "-XX:-PrintTLE", &tail)) { | |
| 2931 FLAG_SET_CMDLINE(bool, PrintTLAB, false); | |
| 2932 } else if (match_option(option, "-XX:TLEFragmentationRatio=", &tail)) { | |
| 2933 // No longer used. | |
| 2934 } else if (match_option(option, "-XX:TLESize=", &tail)) { | |
|
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changeset
|
2935 julong long_tlab_size = 0; |
| 0 | 2936 ArgsRange errcode = parse_memory_size(tail, &long_tlab_size, 1); |
| 2937 if (errcode != arg_in_range) { | |
| 2938 jio_fprintf(defaultStream::error_stream(), | |
| 2939 "Invalid TLAB size: %s\n", option->optionString); | |
| 2940 describe_range_error(errcode); | |
| 2941 return JNI_EINVAL; | |
| 2942 } | |
| 2943 FLAG_SET_CMDLINE(uintx, TLABSize, long_tlab_size); | |
| 2944 } else if (match_option(option, "-XX:TLEThreadRatio=", &tail)) { | |
| 2945 // No longer used. | |
| 2946 } else if (match_option(option, "-XX:+UseTLE", &tail)) { | |
| 2947 FLAG_SET_CMDLINE(bool, UseTLAB, true); | |
| 2948 } else if (match_option(option, "-XX:-UseTLE", &tail)) { | |
| 2949 FLAG_SET_CMDLINE(bool, UseTLAB, false); | |
| 2950 SOLARIS_ONLY( | |
| 2951 } else if (match_option(option, "-XX:+UsePermISM", &tail)) { | |
| 2952 warning("-XX:+UsePermISM is obsolete."); | |
| 2953 FLAG_SET_CMDLINE(bool, UseISM, true); | |
| 2954 } else if (match_option(option, "-XX:-UsePermISM", &tail)) { | |
| 2955 FLAG_SET_CMDLINE(bool, UseISM, false); | |
| 2956 ) | |
| 2957 } else if (match_option(option, "-XX:+DisplayVMOutputToStderr", &tail)) { | |
| 2958 FLAG_SET_CMDLINE(bool, DisplayVMOutputToStdout, false); | |
| 2959 FLAG_SET_CMDLINE(bool, DisplayVMOutputToStderr, true); | |
| 2960 } else if (match_option(option, "-XX:+DisplayVMOutputToStdout", &tail)) { | |
| 2961 FLAG_SET_CMDLINE(bool, DisplayVMOutputToStderr, false); | |
| 2962 FLAG_SET_CMDLINE(bool, DisplayVMOutputToStdout, true); | |
| 2963 } else if (match_option(option, "-XX:+ExtendedDTraceProbes", &tail)) { | |
| 4006 | 2964 #if defined(DTRACE_ENABLED) |
| 0 | 2965 FLAG_SET_CMDLINE(bool, ExtendedDTraceProbes, true); |
| 2966 FLAG_SET_CMDLINE(bool, DTraceMethodProbes, true); | |
| 2967 FLAG_SET_CMDLINE(bool, DTraceAllocProbes, true); | |
| 2968 FLAG_SET_CMDLINE(bool, DTraceMonitorProbes, true); | |
| 4006 | 2969 #else // defined(DTRACE_ENABLED) |
| 0 | 2970 jio_fprintf(defaultStream::error_stream(), |
| 4006 | 2971 "ExtendedDTraceProbes flag is not applicable for this configuration\n"); |
| 0 | 2972 return JNI_EINVAL; |
| 4006 | 2973 #endif // defined(DTRACE_ENABLED) |
| 0 | 2974 #ifdef ASSERT |
|
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6631166: CMS: better heuristics when combatting fragmentation
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parents:
1074
diff
changeset
|
2975 } else if (match_option(option, "-XX:+FullGCALot", &tail)) { |
| 0 | 2976 FLAG_SET_CMDLINE(bool, FullGCALot, true); |
| 2977 // disable scavenge before parallel mark-compact | |
| 2978 FLAG_SET_CMDLINE(bool, ScavengeBeforeFullGC, false); | |
| 2979 #endif | |
|
1145
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
2980 } else if (match_option(option, "-XX:CMSParPromoteBlocksToClaim=", &tail)) { |
| 0 | 2981 julong cms_blocks_to_claim = (julong)atol(tail); |
| 2982 FLAG_SET_CMDLINE(uintx, CMSParPromoteBlocksToClaim, cms_blocks_to_claim); | |
| 2983 jio_fprintf(defaultStream::error_stream(), | |
|
1145
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
2984 "Please use -XX:OldPLABSize in place of " |
|
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
2985 "-XX:CMSParPromoteBlocksToClaim in the future\n"); |
|
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
2986 } else if (match_option(option, "-XX:ParCMSPromoteBlocksToClaim=", &tail)) { |
|
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
2987 julong cms_blocks_to_claim = (julong)atol(tail); |
|
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
2988 FLAG_SET_CMDLINE(uintx, CMSParPromoteBlocksToClaim, cms_blocks_to_claim); |
|
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
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parents:
1074
diff
changeset
|
2989 jio_fprintf(defaultStream::error_stream(), |
|
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
2990 "Please use -XX:OldPLABSize in place of " |
| 0 | 2991 "-XX:ParCMSPromoteBlocksToClaim in the future\n"); |
|
1145
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
2992 } else if (match_option(option, "-XX:ParallelGCOldGenAllocBufferSize=", &tail)) { |
|
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
2993 julong old_plab_size = 0; |
| 0 | 2994 ArgsRange errcode = parse_memory_size(tail, &old_plab_size, 1); |
| 2995 if (errcode != arg_in_range) { | |
| 2996 jio_fprintf(defaultStream::error_stream(), | |
| 2997 "Invalid old PLAB size: %s\n", option->optionString); | |
| 2998 describe_range_error(errcode); | |
| 2999 return JNI_EINVAL; | |
| 3000 } | |
|
489
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6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
3001 FLAG_SET_CMDLINE(uintx, OldPLABSize, old_plab_size); |
| 0 | 3002 jio_fprintf(defaultStream::error_stream(), |
| 3003 "Please use -XX:OldPLABSize in place of " | |
| 3004 "-XX:ParallelGCOldGenAllocBufferSize in the future\n"); | |
|
1145
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3005 } else if (match_option(option, "-XX:ParallelGCToSpaceAllocBufferSize=", &tail)) { |
|
489
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6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
3006 julong young_plab_size = 0; |
| 0 | 3007 ArgsRange errcode = parse_memory_size(tail, &young_plab_size, 1); |
| 3008 if (errcode != arg_in_range) { | |
| 3009 jio_fprintf(defaultStream::error_stream(), | |
| 3010 "Invalid young PLAB size: %s\n", option->optionString); | |
| 3011 describe_range_error(errcode); | |
| 3012 return JNI_EINVAL; | |
| 3013 } | |
|
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
3014 FLAG_SET_CMDLINE(uintx, YoungPLABSize, young_plab_size); |
| 0 | 3015 jio_fprintf(defaultStream::error_stream(), |
| 3016 "Please use -XX:YoungPLABSize in place of " | |
| 3017 "-XX:ParallelGCToSpaceAllocBufferSize in the future\n"); | |
| 1284 | 3018 } else if (match_option(option, "-XX:CMSMarkStackSize=", &tail) || |
| 3019 match_option(option, "-XX:G1MarkStackSize=", &tail)) { | |
| 3020 julong stack_size = 0; | |
| 3021 ArgsRange errcode = parse_memory_size(tail, &stack_size, 1); | |
| 3022 if (errcode != arg_in_range) { | |
| 3023 jio_fprintf(defaultStream::error_stream(), | |
| 3024 "Invalid mark stack size: %s\n", option->optionString); | |
| 3025 describe_range_error(errcode); | |
| 3026 return JNI_EINVAL; | |
| 3027 } | |
| 3028 FLAG_SET_CMDLINE(uintx, MarkStackSize, stack_size); | |
| 3029 } else if (match_option(option, "-XX:CMSMarkStackSizeMax=", &tail)) { | |
| 3030 julong max_stack_size = 0; | |
| 3031 ArgsRange errcode = parse_memory_size(tail, &max_stack_size, 1); | |
| 3032 if (errcode != arg_in_range) { | |
| 3033 jio_fprintf(defaultStream::error_stream(), | |
| 3034 "Invalid maximum mark stack size: %s\n", | |
| 3035 option->optionString); | |
| 3036 describe_range_error(errcode); | |
| 3037 return JNI_EINVAL; | |
| 3038 } | |
| 3039 FLAG_SET_CMDLINE(uintx, MarkStackSizeMax, max_stack_size); | |
| 3040 } else if (match_option(option, "-XX:ParallelMarkingThreads=", &tail) || | |
| 3041 match_option(option, "-XX:ParallelCMSThreads=", &tail)) { | |
| 3042 uintx conc_threads = 0; | |
| 3043 if (!parse_uintx(tail, &conc_threads, 1)) { | |
| 3044 jio_fprintf(defaultStream::error_stream(), | |
| 3045 "Invalid concurrent threads: %s\n", option->optionString); | |
| 3046 return JNI_EINVAL; | |
| 3047 } | |
| 3048 FLAG_SET_CMDLINE(uintx, ConcGCThreads, conc_threads); | |
|
6199
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3049 } else if (match_option(option, "-XX:MaxDirectMemorySize=", &tail)) { |
|
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3050 julong max_direct_memory_size = 0; |
|
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3051 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
|
3052 if (errcode != arg_in_range) { |
|
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3053 jio_fprintf(defaultStream::error_stream(), |
|
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3054 "Invalid maximum direct memory size: %s\n", |
|
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3055 option->optionString); |
|
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3056 describe_range_error(errcode); |
|
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3057 return JNI_EINVAL; |
|
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3058 } |
|
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3059 FLAG_SET_CMDLINE(uintx, MaxDirectMemorySize, max_direct_memory_size); |
|
6878
85916677fc22
7188233: UseVMInterruptibleIO flag deprecate for JDK8
coleenp
parents:
6857
diff
changeset
|
3060 } else if (match_option(option, "-XX:+UseVMInterruptibleIO", &tail)) { |
|
85916677fc22
7188233: UseVMInterruptibleIO flag deprecate for JDK8
coleenp
parents:
6857
diff
changeset
|
3061 // NOTE! In JDK 9, the UseVMInterruptibleIO flag will completely go |
|
85916677fc22
7188233: UseVMInterruptibleIO flag deprecate for JDK8
coleenp
parents:
6857
diff
changeset
|
3062 // away and will cause VM initialization failures! |
|
85916677fc22
7188233: UseVMInterruptibleIO flag deprecate for JDK8
coleenp
parents:
6857
diff
changeset
|
3063 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
|
3064 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
|
3065 #if !INCLUDE_MANAGEMENT |
|
579f6adb7f51
8003539: Minimal VM don't react to -Dcom.sun.management and -XX:+ManagementServer
jprovino
parents:
8002
diff
changeset
|
3066 } 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
|
3067 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
|
3068 "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
|
3069 return JNI_ERR; |
|
8081
579f6adb7f51
8003539: Minimal VM don't react to -Dcom.sun.management and -XX:+ManagementServer
jprovino
parents:
8002
diff
changeset
|
3070 #endif // INCLUDE_MANAGEMENT |
|
1145
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1074
diff
changeset
|
3071 } else if (match_option(option, "-XX:", &tail)) { // -XX:xxxx |
| 0 | 3072 // Skip -XX:Flags= since that case has already been handled |
| 3073 if (strncmp(tail, "Flags=", strlen("Flags=")) != 0) { | |
| 3074 if (!process_argument(tail, args->ignoreUnrecognized, origin)) { | |
| 3075 return JNI_EINVAL; | |
| 3076 } | |
| 3077 } | |
| 3078 // Unknown option | |
| 3079 } else if (is_bad_option(option, args->ignoreUnrecognized)) { | |
| 3080 return JNI_ERR; | |
| 3081 } | |
| 3082 } | |
|
3767
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
3083 |
|
449
171e581e8161
6554406: Change switch UseVMInterruptibleIO default to false (sol)
xlu
parents:
420
diff
changeset
|
3084 // 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
|
3085 // when working with older JDKs. |
|
1679
3d90023429ec
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
1628
diff
changeset
|
3086 #ifdef LINUX |
|
3d90023429ec
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
1628
diff
changeset
|
3087 if (JDK_Version::current().compare_major(6) <= 0 && |
|
3d90023429ec
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
1628
diff
changeset
|
3088 FLAG_IS_DEFAULT(UseLinuxPosixThreadCPUClocks)) { |
|
3d90023429ec
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
1628
diff
changeset
|
3089 FLAG_SET_DEFAULT(UseLinuxPosixThreadCPUClocks, false); |
|
3d90023429ec
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
1628
diff
changeset
|
3090 } |
|
3d90023429ec
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
1628
diff
changeset
|
3091 #endif // LINUX |
| 0 | 3092 return JNI_OK; |
| 3093 } | |
| 3094 | |
| 3095 jint Arguments::finalize_vm_init_args(SysClassPath* scp_p, bool scp_assembly_required) { | |
| 3096 // This must be done after all -D arguments have been processed. | |
| 3097 scp_p->expand_endorsed(); | |
| 3098 | |
| 3099 if (scp_assembly_required || scp_p->get_endorsed() != NULL) { | |
| 3100 // Assemble the bootclasspath elements into the final path. | |
| 3101 Arguments::set_sysclasspath(scp_p->combined_path()); | |
| 3102 } | |
| 3103 | |
| 3104 // This must be done after all arguments have been processed. | |
| 3105 // java_compiler() true means set to "NONE" or empty. | |
| 3106 if (java_compiler() && !xdebug_mode()) { | |
| 3107 // For backwards compatibility, we switch to interpreted mode if | |
| 3108 // -Djava.compiler="NONE" or "" is specified AND "-Xdebug" was | |
| 3109 // not specified. | |
| 3110 set_mode_flags(_int); | |
| 3111 } | |
| 3112 if (CompileThreshold == 0) { | |
| 3113 set_mode_flags(_int); | |
| 3114 } | |
| 3115 | |
|
10292
acac2b03a07f
8014765: VM exits if MaxTenuringThreshold is set below the default InitialTenuringThreshold, and InitialTenuringThreshold is not set
tschatzl
parents:
10287
diff
changeset
|
3116 // 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
|
3117 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
|
3118 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
|
3119 } |
|
acac2b03a07f
8014765: VM exits if MaxTenuringThreshold is set below the default InitialTenuringThreshold, and InitialTenuringThreshold is not set
tschatzl
parents:
10287
diff
changeset
|
3120 |
| 0 | 3121 #ifndef COMPILER2 |
| 3122 // Don't degrade server performance for footprint | |
| 3123 if (FLAG_IS_DEFAULT(UseLargePages) && | |
| 3124 MaxHeapSize < LargePageHeapSizeThreshold) { | |
| 3125 // No need for large granularity pages w/small heaps. | |
| 3126 // Note that large pages are enabled/disabled for both the | |
| 3127 // Java heap and the code cache. | |
| 3128 FLAG_SET_DEFAULT(UseLargePages, false); | |
| 3129 SOLARIS_ONLY(FLAG_SET_DEFAULT(UseMPSS, false)); | |
| 3130 SOLARIS_ONLY(FLAG_SET_DEFAULT(UseISM, false)); | |
| 3131 } | |
|
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
3132 |
|
1251
576e77447e3c
6923002: assert(false,"this call site should not be polymorphic")
kvn
parents:
1188
diff
changeset
|
3133 // Tiered compilation is undefined with C1. |
|
576e77447e3c
6923002: assert(false,"this call site should not be polymorphic")
kvn
parents:
1188
diff
changeset
|
3134 TieredCompilation = false; |
| 0 | 3135 #else |
| 3136 if (!FLAG_IS_DEFAULT(OptoLoopAlignment) && FLAG_IS_DEFAULT(MaxLoopPad)) { | |
| 3137 FLAG_SET_DEFAULT(MaxLoopPad, OptoLoopAlignment-1); | |
| 3138 } | |
| 3139 #endif | |
| 3140 | |
|
1681
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3141 // 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
|
3142 // to be true unless the property has already been set. |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3143 // 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
|
3144 if (os::is_headless_jre()) { |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3145 const char* headless = Arguments::get_property("java.awt.headless"); |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3146 if (headless == NULL) { |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3147 char envbuffer[128]; |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3148 if (!os::getenv("JAVA_AWT_HEADLESS", envbuffer, sizeof(envbuffer))) { |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3149 if (!add_property("java.awt.headless=true")) { |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3150 return JNI_ENOMEM; |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3151 } |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3152 } else { |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3153 char buffer[256]; |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3154 strcpy(buffer, "java.awt.headless="); |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3155 strcat(buffer, envbuffer); |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3156 if (!add_property(buffer)) { |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3157 return JNI_ENOMEM; |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3158 } |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3159 } |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3160 } |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3161 } |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3162 |
| 0 | 3163 if (!check_vm_args_consistency()) { |
| 3164 return JNI_ERR; | |
| 3165 } | |
| 3166 | |
| 3167 return JNI_OK; | |
| 3168 } | |
| 3169 | |
| 3170 jint Arguments::parse_java_options_environment_variable(SysClassPath* scp_p, bool* scp_assembly_required_p) { | |
| 3171 return parse_options_environment_variable("_JAVA_OPTIONS", scp_p, | |
| 3172 scp_assembly_required_p); | |
| 3173 } | |
| 3174 | |
| 3175 jint Arguments::parse_java_tool_options_environment_variable(SysClassPath* scp_p, bool* scp_assembly_required_p) { | |
| 3176 return parse_options_environment_variable("JAVA_TOOL_OPTIONS", scp_p, | |
| 3177 scp_assembly_required_p); | |
| 3178 } | |
| 3179 | |
| 3180 jint Arguments::parse_options_environment_variable(const char* name, SysClassPath* scp_p, bool* scp_assembly_required_p) { | |
| 3181 const int N_MAX_OPTIONS = 64; | |
| 3182 const int OPTION_BUFFER_SIZE = 1024; | |
| 3183 char buffer[OPTION_BUFFER_SIZE]; | |
| 3184 | |
| 3185 // The variable will be ignored if it exceeds the length of the buffer. | |
| 3186 // Don't check this variable if user has special privileges | |
| 3187 // (e.g. unix su command). | |
| 3188 if (os::getenv(name, buffer, sizeof(buffer)) && | |
| 3189 !os::have_special_privileges()) { | |
| 3190 JavaVMOption options[N_MAX_OPTIONS]; // Construct option array | |
| 3191 jio_fprintf(defaultStream::error_stream(), | |
| 3192 "Picked up %s: %s\n", name, buffer); | |
| 3193 char* rd = buffer; // pointer to the input string (rd) | |
| 3194 int i; | |
| 3195 for (i = 0; i < N_MAX_OPTIONS;) { // repeat for all options in the input string | |
| 3196 while (isspace(*rd)) rd++; // skip whitespace | |
| 3197 if (*rd == 0) break; // we re done when the input string is read completely | |
| 3198 | |
| 3199 // The output, option string, overwrites the input string. | |
| 3200 // Because of quoting, the pointer to the option string (wrt) may lag the pointer to | |
| 3201 // input string (rd). | |
| 3202 char* wrt = rd; | |
| 3203 | |
| 3204 options[i++].optionString = wrt; // Fill in option | |
| 3205 while (*rd != 0 && !isspace(*rd)) { // unquoted strings terminate with a space or NULL | |
| 3206 if (*rd == '\'' || *rd == '"') { // handle a quoted string | |
| 3207 int quote = *rd; // matching quote to look for | |
| 3208 rd++; // don't copy open quote | |
| 3209 while (*rd != quote) { // include everything (even spaces) up until quote | |
| 3210 if (*rd == 0) { // string termination means unmatched string | |
| 3211 jio_fprintf(defaultStream::error_stream(), | |
| 3212 "Unmatched quote in %s\n", name); | |
| 3213 return JNI_ERR; | |
| 3214 } | |
| 3215 *wrt++ = *rd++; // copy to option string | |
| 3216 } | |
| 3217 rd++; // don't copy close quote | |
| 3218 } else { | |
| 3219 *wrt++ = *rd++; // copy to option string | |
| 3220 } | |
| 3221 } | |
| 3222 // Need to check if we're done before writing a NULL, | |
| 3223 // because the write could be to the byte that rd is pointing to. | |
| 3224 if (*rd++ == 0) { | |
| 3225 *wrt = 0; | |
| 3226 break; | |
| 3227 } | |
| 3228 *wrt = 0; // Zero terminate option | |
| 3229 } | |
| 3230 // Construct JavaVMInitArgs structure and parse as if it was part of the command line | |
| 3231 JavaVMInitArgs vm_args; | |
| 3232 vm_args.version = JNI_VERSION_1_2; | |
| 3233 vm_args.options = options; | |
| 3234 vm_args.nOptions = i; | |
| 564 | 3235 vm_args.ignoreUnrecognized = IgnoreUnrecognizedVMOptions; |
| 0 | 3236 |
| 3237 if (PrintVMOptions) { | |
| 3238 const char* tail; | |
| 3239 for (int i = 0; i < vm_args.nOptions; i++) { | |
| 3240 const JavaVMOption *option = vm_args.options + i; | |
| 3241 if (match_option(option, "-XX:", &tail)) { | |
| 3242 logOption(tail); | |
| 3243 } | |
| 3244 } | |
| 3245 } | |
| 3246 | |
| 3247 return(parse_each_vm_init_arg(&vm_args, scp_p, scp_assembly_required_p, ENVIRON_VAR)); | |
| 3248 } | |
| 3249 return JNI_OK; | |
| 3250 } | |
| 3251 | |
|
2362
a2c2eac1ca62
7018056: large pages not always enabled by default
jcoomes
parents:
2302
diff
changeset
|
3252 void Arguments::set_shared_spaces_flags() { |
|
10256
64340da5b68c
8007018: RFE: -XX:+UseLargePages does not work with CDS
hseigel
parents:
10172
diff
changeset
|
3253 #ifdef _LP64 |
|
64340da5b68c
8007018: RFE: -XX:+UseLargePages does not work with CDS
hseigel
parents:
10172
diff
changeset
|
3254 const bool must_share = DumpSharedSpaces || RequireSharedSpaces; |
|
64340da5b68c
8007018: RFE: -XX:+UseLargePages does not work with CDS
hseigel
parents:
10172
diff
changeset
|
3255 |
|
64340da5b68c
8007018: RFE: -XX:+UseLargePages does not work with CDS
hseigel
parents:
10172
diff
changeset
|
3256 // 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
|
3257 // 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
|
3258 // initialization, this restriction can probably be lifted. |
|
64340da5b68c
8007018: RFE: -XX:+UseLargePages does not work with CDS
hseigel
parents:
10172
diff
changeset
|
3259 if (UseCompressedOops) { |
|
64340da5b68c
8007018: RFE: -XX:+UseLargePages does not work with CDS
hseigel
parents:
10172
diff
changeset
|
3260 if (must_share) { |
|
64340da5b68c
8007018: RFE: -XX:+UseLargePages does not work with CDS
hseigel
parents:
10172
diff
changeset
|
3261 warning("disabling compressed oops because of %s", |
|
64340da5b68c
8007018: RFE: -XX:+UseLargePages does not work with CDS
hseigel
parents:
10172
diff
changeset
|
3262 DumpSharedSpaces ? "-Xshare:dump" : "-Xshare:on"); |
|
64340da5b68c
8007018: RFE: -XX:+UseLargePages does not work with CDS
hseigel
parents:
10172
diff
changeset
|
3263 FLAG_SET_CMDLINE(bool, UseCompressedOops, false); |
|
64340da5b68c
8007018: RFE: -XX:+UseLargePages does not work with CDS
hseigel
parents:
10172
diff
changeset
|
3264 FLAG_SET_CMDLINE(bool, UseCompressedKlassPointers, false); |
|
64340da5b68c
8007018: RFE: -XX:+UseLargePages does not work with CDS
hseigel
parents:
10172
diff
changeset
|
3265 } else { |
|
64340da5b68c
8007018: RFE: -XX:+UseLargePages does not work with CDS
hseigel
parents:
10172
diff
changeset
|
3266 // Prefer compressed oops to class data sharing |
|
64340da5b68c
8007018: RFE: -XX:+UseLargePages does not work with CDS
hseigel
parents:
10172
diff
changeset
|
3267 if (UseSharedSpaces && Verbose) { |
|
64340da5b68c
8007018: RFE: -XX:+UseLargePages does not work with CDS
hseigel
parents:
10172
diff
changeset
|
3268 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
|
3269 } |
|
64340da5b68c
8007018: RFE: -XX:+UseLargePages does not work with CDS
hseigel
parents:
10172
diff
changeset
|
3270 no_shared_spaces(); |
|
2362
a2c2eac1ca62
7018056: large pages not always enabled by default
jcoomes
parents:
2302
diff
changeset
|
3271 } |
|
a2c2eac1ca62
7018056: large pages not always enabled by default
jcoomes
parents:
2302
diff
changeset
|
3272 } |
|
10256
64340da5b68c
8007018: RFE: -XX:+UseLargePages does not work with CDS
hseigel
parents:
10172
diff
changeset
|
3273 #endif |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3274 |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3275 if (DumpSharedSpaces) { |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3276 if (RequireSharedSpaces) { |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3277 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
|
3278 } |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3279 UseSharedSpaces = false; |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3280 } |
|
2362
a2c2eac1ca62
7018056: large pages not always enabled by default
jcoomes
parents:
2302
diff
changeset
|
3281 } |
|
1891
9de67bf4244d
6996136: VM crash in src/share/vm/runtime/virtualspace.cpp:424
iveresov
parents:
1890
diff
changeset
|
3282 |
|
3797
eb94b7226b7a
7061192: option handling adjustments for oracle and embedded builds
jcoomes
parents:
3769
diff
changeset
|
3283 // 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
|
3284 // were explicitly requested on the command-line |
|
eb94b7226b7a
7061192: option handling adjustments for oracle and embedded builds
jcoomes
parents:
3769
diff
changeset
|
3285 #define UNSUPPORTED_OPTION(opt, description) \ |
|
eb94b7226b7a
7061192: option handling adjustments for oracle and embedded builds
jcoomes
parents:
3769
diff
changeset
|
3286 do { \ |
|
eb94b7226b7a
7061192: option handling adjustments for oracle and embedded builds
jcoomes
parents:
3769
diff
changeset
|
3287 if (opt) { \ |
|
eb94b7226b7a
7061192: option handling adjustments for oracle and embedded builds
jcoomes
parents:
3769
diff
changeset
|
3288 if (FLAG_IS_CMDLINE(opt)) { \ |
|
eb94b7226b7a
7061192: option handling adjustments for oracle and embedded builds
jcoomes
parents:
3769
diff
changeset
|
3289 warning(description " is disabled in this release."); \ |
|
eb94b7226b7a
7061192: option handling adjustments for oracle and embedded builds
jcoomes
parents:
3769
diff
changeset
|
3290 } \ |
|
eb94b7226b7a
7061192: option handling adjustments for oracle and embedded builds
jcoomes
parents:
3769
diff
changeset
|
3291 FLAG_SET_DEFAULT(opt, false); \ |
|
eb94b7226b7a
7061192: option handling adjustments for oracle and embedded builds
jcoomes
parents:
3769
diff
changeset
|
3292 } \ |
|
eb94b7226b7a
7061192: option handling adjustments for oracle and embedded builds
jcoomes
parents:
3769
diff
changeset
|
3293 } while(0) |
|
eb94b7226b7a
7061192: option handling adjustments for oracle and embedded builds
jcoomes
parents:
3769
diff
changeset
|
3294 |
|
8086
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3295 |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3296 #define UNSUPPORTED_GC_OPTION(gc) \ |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3297 do { \ |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3298 if (gc) { \ |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3299 if (FLAG_IS_CMDLINE(gc)) { \ |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3300 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
|
3301 } \ |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3302 FLAG_SET_DEFAULT(gc, false); \ |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3303 } \ |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3304 } while(0) |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3305 |
|
9060
cc32ccaaf47f
8003310: Enable -Wunused-function when compiling with gcc
mikael
parents:
8847
diff
changeset
|
3306 #if !INCLUDE_ALL_GCS |
|
8086
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3307 static void force_serial_gc() { |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3308 FLAG_SET_DEFAULT(UseSerialGC, true); |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3309 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
|
3310 UNSUPPORTED_GC_OPTION(UseG1GC); |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3311 UNSUPPORTED_GC_OPTION(UseParallelGC); |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3312 UNSUPPORTED_GC_OPTION(UseParallelOldGC); |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3313 UNSUPPORTED_GC_OPTION(UseConcMarkSweepGC); |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3314 UNSUPPORTED_GC_OPTION(UseParNewGC); |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3315 } |
|
9060
cc32ccaaf47f
8003310: Enable -Wunused-function when compiling with gcc
mikael
parents:
8847
diff
changeset
|
3316 #endif // INCLUDE_ALL_GCS |
|
8086
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3317 |
|
10270
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3318 // Sharing support |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3319 // Construct the path to the archive |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3320 static char* get_shared_archive_path() { |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
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10264
diff
changeset
|
3321 char *shared_archive_path; |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
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10264
diff
changeset
|
3322 if (SharedArchiveFile == NULL) { |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3323 char jvm_path[JVM_MAXPATHLEN]; |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3324 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
|
3325 char *end = strrchr(jvm_path, *os::file_separator()); |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3326 if (end != NULL) *end = '\0'; |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3327 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
|
3328 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
|
3329 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
|
3330 file_sep_len + 20, mtInternal); |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
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10264
diff
changeset
|
3331 if (shared_archive_path != NULL) { |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3332 strncpy(shared_archive_path, jvm_path, jvm_path_len + 1); |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
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10264
diff
changeset
|
3333 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
|
3334 strncat(shared_archive_path, "classes.jsa", 11); |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3335 } |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3336 } else { |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3337 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
|
3338 if (shared_archive_path != NULL) { |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3339 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
|
3340 } |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3341 } |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3342 return shared_archive_path; |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3343 } |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3344 |
| 0 | 3345 // Parse entry point called from JNI_CreateJavaVM |
| 3346 | |
| 3347 jint Arguments::parse(const JavaVMInitArgs* args) { | |
| 3348 | |
| 3349 // Remaining part of option string | |
| 3350 const char* tail; | |
| 3351 | |
| 3352 // 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
|
3353 const char* hotspotrc = ".hotspotrc"; |
| 0 | 3354 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
|
3355 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
|
3356 |
| 564 | 3357 const char* flags_file; |
| 0 | 3358 int index; |
| 3359 for (index = 0; index < args->nOptions; index++) { | |
| 3360 const JavaVMOption *option = args->options + index; | |
| 3361 if (match_option(option, "-XX:Flags=", &tail)) { | |
| 564 | 3362 flags_file = tail; |
| 0 | 3363 settings_file_specified = true; |
| 3364 } | |
| 3365 if (match_option(option, "-XX:+PrintVMOptions", &tail)) { | |
| 3366 PrintVMOptions = true; | |
| 3367 } | |
|
253
b0fe4deeb9fb
6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.")
kvn
parents:
196
diff
changeset
|
3368 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
|
3369 PrintVMOptions = false; |
|
b0fe4deeb9fb
6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.")
kvn
parents:
196
diff
changeset
|
3370 } |
| 564 | 3371 if (match_option(option, "-XX:+IgnoreUnrecognizedVMOptions", &tail)) { |
| 3372 IgnoreUnrecognizedVMOptions = true; | |
| 3373 } | |
| 3374 if (match_option(option, "-XX:-IgnoreUnrecognizedVMOptions", &tail)) { | |
| 3375 IgnoreUnrecognizedVMOptions = false; | |
| 3376 } | |
| 1150 | 3377 if (match_option(option, "-XX:+PrintFlagsInitial", &tail)) { |
| 4773 | 3378 CommandLineFlags::printFlags(tty, false); |
| 1150 | 3379 vm_exit(0); |
| 3380 } | |
| 6197 | 3381 if (match_option(option, "-XX:NativeMemoryTracking", &tail)) { |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3382 #if INCLUDE_NMT |
| 6197 | 3383 MemTracker::init_tracking_options(tail); |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3384 #else |
|
8720
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
3385 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
|
3386 "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
|
3387 return JNI_ERR; |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3388 #endif |
| 6197 | 3389 } |
| 3390 | |
|
1768
6ee479178066
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
1745
diff
changeset
|
3391 |
|
6ee479178066
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
1745
diff
changeset
|
3392 #ifndef PRODUCT |
|
6ee479178066
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
1745
diff
changeset
|
3393 if (match_option(option, "-XX:+PrintFlagsWithComments", &tail)) { |
| 4773 | 3394 CommandLineFlags::printFlags(tty, true); |
|
1768
6ee479178066
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
1745
diff
changeset
|
3395 vm_exit(0); |
|
6ee479178066
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
1745
diff
changeset
|
3396 } |
|
6ee479178066
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
1745
diff
changeset
|
3397 #endif |
| 564 | 3398 } |
| 3399 | |
| 3400 if (IgnoreUnrecognizedVMOptions) { | |
| 3401 // uncast const to modify the flag args->ignoreUnrecognized | |
| 3402 *(jboolean*)(&args->ignoreUnrecognized) = true; | |
| 3403 } | |
| 3404 | |
| 3405 // Parse specified settings file | |
| 3406 if (settings_file_specified) { | |
| 3407 if (!process_settings_file(flags_file, true, args->ignoreUnrecognized)) { | |
| 3408 return JNI_EINVAL; | |
| 3409 } | |
|
6196
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3410 } else { |
|
6150
1e76463170b3
7110720: Issue with vm config file loadingIssue with vm config file loading
kamg
parents:
4780
diff
changeset
|
3411 #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
|
3412 // Parse default .hotspotrc settings file |
| 0 | 3413 if (!process_settings_file(".hotspotrc", false, args->ignoreUnrecognized)) { |
| 3414 return JNI_EINVAL; | |
| 3415 } | |
|
6196
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3416 #else |
|
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3417 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
|
3418 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
|
3419 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
|
3420 } |
|
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3421 #endif |
| 0 | 3422 } |
| 3423 | |
| 3424 if (PrintVMOptions) { | |
| 3425 for (index = 0; index < args->nOptions; index++) { | |
| 3426 const JavaVMOption *option = args->options + index; | |
| 3427 if (match_option(option, "-XX:", &tail)) { | |
| 3428 logOption(tail); | |
| 3429 } | |
| 3430 } | |
| 3431 } | |
| 3432 | |
| 3433 // Parse JavaVMInitArgs structure passed in, as well as JAVA_TOOL_OPTIONS and _JAVA_OPTIONS | |
| 3434 jint result = parse_vm_init_args(args); | |
| 3435 if (result != JNI_OK) { | |
| 3436 return result; | |
| 3437 } | |
| 3438 | |
|
10270
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3439 // 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
|
3440 SharedArchivePath = get_shared_archive_path(); |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3441 if (SharedArchivePath == NULL) { |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3442 return JNI_ENOMEM; |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3443 } |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3444 |
|
6196
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3445 // 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
|
3446 // 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
|
3447 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
|
3448 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
|
3449 "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
|
3450 hotspotrc, hotspotrc); |
|
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3451 } |
|
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3452 |
|
6917
e81fbc04a942
7191817: -XX:+UseSerialGC -XX:+UseLargePages crashes with SIGFPE on MacOS X
coleenp
parents:
6916
diff
changeset
|
3453 #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
|
3454 UNSUPPORTED_OPTION(UseLargePages, "-XX:+UseLargePages"); |
|
e81fbc04a942
7191817: -XX:+UseSerialGC -XX:+UseLargePages crashes with SIGFPE on MacOS X
coleenp
parents:
6916
diff
changeset
|
3455 #endif |
|
e81fbc04a942
7191817: -XX:+UseSerialGC -XX:+UseLargePages crashes with SIGFPE on MacOS X
coleenp
parents:
6916
diff
changeset
|
3456 |
|
8086
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3457 #if INCLUDE_ALL_GCS |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3458 #if (defined JAVASE_EMBEDDED || defined ARM) |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3459 UNSUPPORTED_OPTION(UseG1GC, "G1 GC"); |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3460 #endif |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3461 #endif |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3462 |
| 0 | 3463 #ifndef PRODUCT |
| 3464 if (TraceBytecodesAt != 0) { | |
| 3465 TraceBytecodes = true; | |
| 3466 } | |
| 3467 if (CountCompiledCalls) { | |
| 3468 if (UseCounterDecay) { | |
| 3469 warning("UseCounterDecay disabled because CountCalls is set"); | |
| 3470 UseCounterDecay = false; | |
| 3471 } | |
| 3472 } | |
| 3473 #endif // PRODUCT | |
| 3474 | |
|
2416
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3475 // 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
|
3476 if (!JDK_Version::is_gte_jdk17x_version()) { |
|
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3477 if (EnableInvokeDynamic) { |
|
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3478 if (!FLAG_IS_DEFAULT(EnableInvokeDynamic)) { |
|
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3479 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
|
3480 } |
|
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3481 EnableInvokeDynamic = false; |
| 710 | 3482 } |
| 3483 } | |
|
2416
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3484 |
|
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3485 if (EnableInvokeDynamic && ScavengeRootsInCode == 0) { |
|
989
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
932
diff
changeset
|
3486 if (!FLAG_IS_DEFAULT(ScavengeRootsInCode)) { |
|
2416
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3487 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
|
3488 } |
|
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
932
diff
changeset
|
3489 ScavengeRootsInCode = 1; |
|
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
932
diff
changeset
|
3490 } |
| 710 | 3491 |
| 0 | 3492 if (PrintGCDetails) { |
| 3493 // Turn on -verbose:gc options as well | |
| 3494 PrintGC = true; | |
| 3495 } | |
| 3496 | |
|
6064
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
3497 if (!JDK_Version::is_gte_jdk18x_version()) { |
|
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
3498 // 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
|
3499 // true by default in JDK8 and above. |
|
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
3500 if (FLAG_IS_DEFAULT(PrintGCCause)) { |
|
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
3501 FLAG_SET_DEFAULT(PrintGCCause, false); |
|
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
3502 } |
|
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
3503 } |
|
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
3504 |
|
1571
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
3505 // 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
|
3506 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
|
3507 |
|
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
3508 #if !INCLUDE_ALL_GCS |
| 1064 | 3509 force_serial_gc(); |
|
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
3510 #endif // INCLUDE_ALL_GCS |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3511 #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
|
3512 if (DumpSharedSpaces || RequireSharedSpaces) { |
|
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
3513 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
|
3514 "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
|
3515 return JNI_ERR; |
|
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
3516 } |
|
8724
69ffa4ac9e53
8009835: Only produce a warning when -Xshare:auto is explicitly requested
jprovino
parents:
8720
diff
changeset
|
3517 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
|
3518 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
|
3519 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
|
3520 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
|
3521 } |
| 0 | 3522 no_shared_spaces(); |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3523 #endif // INCLUDE_CDS |
| 0 | 3524 |
| 3525 // Set flags based on ergonomics. | |
| 3526 set_ergonomics_flags(); | |
| 3527 | |
|
2362
a2c2eac1ca62
7018056: large pages not always enabled by default
jcoomes
parents:
2302
diff
changeset
|
3528 set_shared_spaces_flags(); |
|
1135
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1131
diff
changeset
|
3529 |
|
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
3530 // Check the GC selections again. |
|
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
3531 if (!check_gc_consistency()) { |
|
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
3532 return JNI_EINVAL; |
|
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
3533 } |
|
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
3534 |
| 1783 | 3535 if (TieredCompilation) { |
| 3536 set_tiered_flags(); | |
| 3537 } else { | |
| 3538 // Check if the policy is valid. Policies 0 and 1 are valid for non-tiered setup. | |
| 3539 if (CompilationPolicyChoice >= 2) { | |
| 3540 vm_exit_during_initialization( | |
| 3541 "Incompatible compilation policy selected", NULL); | |
| 3542 } | |
| 3543 } | |
| 3544 | |
|
10990
0abfeed51c9e
8012265: VM often crashes on solaris with a lot of memory
brutisso
parents:
10392
diff
changeset
|
3545 set_heap_base_min_address(); |
|
0abfeed51c9e
8012265: VM often crashes on solaris with a lot of memory
brutisso
parents:
10392
diff
changeset
|
3546 |
|
2368
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
3547 // Set heap size based on available physical memory |
|
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
3548 set_heap_size(); |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3549 |
|
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
3550 #if INCLUDE_ALL_GCS |
|
2368
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
3551 // Set per-collector flags |
|
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
3552 if (UseParallelGC || UseParallelOldGC) { |
|
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
3553 set_parallel_gc_flags(); |
|
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
3554 } 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
|
3555 set_cms_and_parnew_gc_flags(); |
|
2368
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
3556 } 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
|
3557 set_parnew_gc_flags(); |
|
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
3558 } else if (UseG1GC) { |
|
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
3559 set_g1_gc_flags(); |
|
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
3560 } |
|
7452
e0ab18eafbde
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
7451
diff
changeset
|
3561 check_deprecated_gcs(); |
| 8734 | 3562 check_deprecated_gc_flags(); |
|
8845
1b90c7607451
2178143: JVM crashes if the number of bound CPUs changed during runtime
minqi
parents:
8819
diff
changeset
|
3563 if (AssumeMP && !UseSerialGC) { |
|
1b90c7607451
2178143: JVM crashes if the number of bound CPUs changed during runtime
minqi
parents:
8819
diff
changeset
|
3564 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
|
3565 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
|
3566 " 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
|
3567 " using -XX:ParallelGCThreads=N"); |
|
1b90c7607451
2178143: JVM crashes if the number of bound CPUs changed during runtime
minqi
parents:
8819
diff
changeset
|
3568 } |
|
1b90c7607451
2178143: JVM crashes if the number of bound CPUs changed during runtime
minqi
parents:
8819
diff
changeset
|
3569 } |
|
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
3570 #else // INCLUDE_ALL_GCS |
| 0 | 3571 assert(verify_serial_gc_flags(), "SerialGC unset"); |
|
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
3572 #endif // INCLUDE_ALL_GCS |
| 0 | 3573 |
| 3574 // Set bytecode rewriting flags | |
| 3575 set_bytecode_flags(); | |
| 3576 | |
| 3577 // Set flags if Aggressive optimization flags (-XX:+AggressiveOpts) enabled. | |
| 3578 set_aggressive_opts_flags(); | |
| 3579 | |
|
2239
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3580 // Turn off biased locking for locking debug mode flags, |
|
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3581 // 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
|
3582 // biased locking. |
| 2331 | 3583 if (UseHeavyMonitors |
| 3584 #ifdef COMPILER1 | |
| 3585 || !UseFastLocking | |
| 3586 #endif // COMPILER1 | |
| 3587 ) { | |
|
2239
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3588 if (!FLAG_IS_DEFAULT(UseBiasedLocking) && UseBiasedLocking) { |
|
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3589 // 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
|
3590 // can't enable biased locking here |
|
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3591 warning("Biased Locking is not supported with locking debug flags" |
|
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3592 "; ignoring UseBiasedLocking flag." ); |
|
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3593 } |
|
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3594 UseBiasedLocking = false; |
|
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3595 } |
|
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3596 |
| 0 | 3597 #ifdef CC_INTERP |
| 1131 | 3598 // Clear flags not supported by the C++ interpreter |
| 3599 FLAG_SET_DEFAULT(ProfileInterpreter, false); | |
| 0 | 3600 FLAG_SET_DEFAULT(UseBiasedLocking, false); |
| 1131 | 3601 LP64_ONLY(FLAG_SET_DEFAULT(UseCompressedOops, false)); |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3602 LP64_ONLY(FLAG_SET_DEFAULT(UseCompressedKlassPointers, false)); |
| 1131 | 3603 #endif // CC_INTERP |
| 3604 | |
|
420
a1980da045cc
6462850: generate biased locking code in C2 ideal graph
kvn
parents:
416
diff
changeset
|
3605 #ifdef COMPILER2 |
|
a1980da045cc
6462850: generate biased locking code in C2 ideal graph
kvn
parents:
416
diff
changeset
|
3606 if (!UseBiasedLocking || EmitSync != 0) { |
|
a1980da045cc
6462850: generate biased locking code in C2 ideal graph
kvn
parents:
416
diff
changeset
|
3607 UseOptoBiasInlining = false; |
|
a1980da045cc
6462850: generate biased locking code in C2 ideal graph
kvn
parents:
416
diff
changeset
|
3608 } |
| 4777 | 3609 if (!EliminateLocks) { |
| 3610 EliminateNestedLocks = false; | |
| 3611 } | |
| 7473 | 3612 if (!Inline) { |
| 3613 IncrementalInline = false; | |
| 3614 } | |
| 3615 #ifndef PRODUCT | |
| 3616 if (!IncrementalInline) { | |
| 3617 AlwaysIncrementalInline = false; | |
| 3618 } | |
| 3619 #endif | |
| 3620 if (IncrementalInline && FLAG_IS_DEFAULT(MaxNodeLimit)) { | |
| 3621 // incremental inlining: bump MaxNodeLimit | |
| 3622 FLAG_SET_DEFAULT(MaxNodeLimit, (intx)75000); | |
| 3623 } | |
|
420
a1980da045cc
6462850: generate biased locking code in C2 ideal graph
kvn
parents:
416
diff
changeset
|
3624 #endif |
|
a1980da045cc
6462850: generate biased locking code in C2 ideal graph
kvn
parents:
416
diff
changeset
|
3625 |
|
1155
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1150
diff
changeset
|
3626 if (PrintAssembly && FLAG_IS_DEFAULT(DebugNonSafepoints)) { |
|
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1150
diff
changeset
|
3627 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
|
3628 DebugNonSafepoints = true; |
|
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1150
diff
changeset
|
3629 } |
|
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1150
diff
changeset
|
3630 |
|
1188
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
3631 #ifndef PRODUCT |
|
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
3632 if (CompileTheWorld) { |
|
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
3633 // 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
|
3634 if (FLAG_IS_DEFAULT(NmethodSweepFraction)) { |
|
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
3635 NmethodSweepFraction = 1; |
|
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
3636 } |
|
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
3637 } |
|
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
3638 #endif |
|
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
3639 |
| 0 | 3640 if (PrintCommandLineFlags) { |
| 4773 | 3641 CommandLineFlags::printSetFlags(tty); |
| 0 | 3642 } |
| 3643 | |
|
1681
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3644 // Apply CPU specific policy for the BiasedLocking |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3645 if (UseBiasedLocking) { |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3646 if (!VM_Version::use_biased_locking() && |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3647 !(FLAG_IS_CMDLINE(UseBiasedLocking))) { |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3648 UseBiasedLocking = false; |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3649 } |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3650 } |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3651 |
|
2302
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
3652 // 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
|
3653 // 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
|
3654 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
|
3655 bool set = false; |
|
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
3656 CommandLineFlags::wasSetOnCmdline("PauseAtExit", &set); |
|
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
3657 if (!set) { |
|
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
3658 FLAG_SET_DEFAULT(PauseAtExit, true); |
|
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
3659 } |
|
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
3660 } |
|
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
3661 |
| 0 | 3662 return JNI_OK; |
| 3663 } | |
| 3664 | |
|
7177
53715fb1597d
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
6982
diff
changeset
|
3665 jint Arguments::adjust_after_os() { |
|
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
3666 #if INCLUDE_ALL_GCS |
|
7177
53715fb1597d
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
6982
diff
changeset
|
3667 if (UseParallelGC || UseParallelOldGC) { |
|
53715fb1597d
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
6982
diff
changeset
|
3668 if (UseNUMA) { |
|
53715fb1597d
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
6982
diff
changeset
|
3669 if (FLAG_IS_DEFAULT(MinHeapDeltaBytes)) { |
|
53715fb1597d
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
6982
diff
changeset
|
3670 FLAG_SET_DEFAULT(MinHeapDeltaBytes, 64*M); |
|
53715fb1597d
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
6982
diff
changeset
|
3671 } |
|
53715fb1597d
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
6982
diff
changeset
|
3672 // For those collectors or operating systems (eg, Windows) that do |
|
53715fb1597d
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
6982
diff
changeset
|
3673 // not support full UseNUMA, we will map to UseNUMAInterleaving for now |
|
53715fb1597d
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3674 UseNUMAInterleaving = true; |
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7198334: UseNUMA modifies system parameters on non-NUMA system
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3675 } |
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7198334: UseNUMA modifies system parameters on non-NUMA system
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|
3676 } |
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db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
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3677 #endif // INCLUDE_ALL_GCS |
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7177
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3678 return JNI_OK; |
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3679 } |
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|
3680 |
| 0 | 3681 int Arguments::PropertyList_count(SystemProperty* pl) { |
| 3682 int count = 0; | |
| 3683 while(pl != NULL) { | |
| 3684 count++; | |
| 3685 pl = pl->next(); | |
| 3686 } | |
| 3687 return count; | |
| 3688 } | |
| 3689 | |
| 3690 const char* Arguments::PropertyList_get_value(SystemProperty *pl, const char* key) { | |
| 3691 assert(key != NULL, "just checking"); | |
| 3692 SystemProperty* prop; | |
| 3693 for (prop = pl; prop != NULL; prop = prop->next()) { | |
| 3694 if (strcmp(key, prop->key()) == 0) return prop->value(); | |
| 3695 } | |
| 3696 return NULL; | |
| 3697 } | |
| 3698 | |
| 3699 const char* Arguments::PropertyList_get_key_at(SystemProperty *pl, int index) { | |
| 3700 int count = 0; | |
| 3701 const char* ret_val = NULL; | |
| 3702 | |
| 3703 while(pl != NULL) { | |
| 3704 if(count >= index) { | |
| 3705 ret_val = pl->key(); | |
| 3706 break; | |
| 3707 } | |
| 3708 count++; | |
| 3709 pl = pl->next(); | |
| 3710 } | |
| 3711 | |
| 3712 return ret_val; | |
| 3713 } | |
| 3714 | |
| 3715 char* Arguments::PropertyList_get_value_at(SystemProperty* pl, int index) { | |
| 3716 int count = 0; | |
| 3717 char* ret_val = NULL; | |
| 3718 | |
| 3719 while(pl != NULL) { | |
| 3720 if(count >= index) { | |
| 3721 ret_val = pl->value(); | |
| 3722 break; | |
| 3723 } | |
| 3724 count++; | |
| 3725 pl = pl->next(); | |
| 3726 } | |
| 3727 | |
| 3728 return ret_val; | |
| 3729 } | |
| 3730 | |
| 3731 void Arguments::PropertyList_add(SystemProperty** plist, SystemProperty *new_p) { | |
| 3732 SystemProperty* p = *plist; | |
| 3733 if (p == NULL) { | |
| 3734 *plist = new_p; | |
| 3735 } else { | |
| 3736 while (p->next() != NULL) { | |
| 3737 p = p->next(); | |
| 3738 } | |
| 3739 p->set_next(new_p); | |
| 3740 } | |
| 3741 } | |
| 3742 | |
| 3743 void Arguments::PropertyList_add(SystemProperty** plist, const char* k, char* v) { | |
| 3744 if (plist == NULL) | |
| 3745 return; | |
| 3746 | |
| 3747 SystemProperty* new_p = new SystemProperty(k, v, true); | |
| 3748 PropertyList_add(plist, new_p); | |
| 3749 } | |
| 3750 | |
| 3751 // This add maintains unique property key in the list. | |
| 691 | 3752 void Arguments::PropertyList_unique_add(SystemProperty** plist, const char* k, char* v, jboolean append) { |
| 0 | 3753 if (plist == NULL) |
| 3754 return; | |
| 3755 | |
| 3756 // If property key exist then update with new value. | |
| 3757 SystemProperty* prop; | |
| 3758 for (prop = *plist; prop != NULL; prop = prop->next()) { | |
| 3759 if (strcmp(k, prop->key()) == 0) { | |
| 691 | 3760 if (append) { |
| 3761 prop->append_value(v); | |
| 3762 } else { | |
| 3763 prop->set_value(v); | |
| 3764 } | |
| 0 | 3765 return; |
| 3766 } | |
| 3767 } | |
| 3768 | |
| 3769 PropertyList_add(plist, k, v); | |
| 3770 } | |
| 3771 | |
| 3772 // Copies src into buf, replacing "%%" with "%" and "%p" with pid | |
| 3773 // Returns true if all of the source pointed by src has been copied over to | |
| 3774 // the destination buffer pointed by buf. Otherwise, returns false. | |
| 3775 // Notes: | |
| 3776 // 1. If the length (buflen) of the destination buffer excluding the | |
| 3777 // NULL terminator character is not long enough for holding the expanded | |
| 3778 // pid characters, it also returns false instead of returning the partially | |
| 3779 // expanded one. | |
| 3780 // 2. The passed in "buflen" should be large enough to hold the null terminator. | |
| 3781 bool Arguments::copy_expand_pid(const char* src, size_t srclen, | |
| 3782 char* buf, size_t buflen) { | |
| 3783 const char* p = src; | |
| 3784 char* b = buf; | |
| 3785 const char* src_end = &src[srclen]; | |
| 3786 char* buf_end = &buf[buflen - 1]; | |
| 3787 | |
| 3788 while (p < src_end && b < buf_end) { | |
| 3789 if (*p == '%') { | |
| 3790 switch (*(++p)) { | |
| 3791 case '%': // "%%" ==> "%" | |
| 3792 *b++ = *p++; | |
| 3793 break; | |
| 3794 case 'p': { // "%p" ==> current process id | |
| 3795 // buf_end points to the character before the last character so | |
| 3796 // that we could write '\0' to the end of the buffer. | |
| 3797 size_t buf_sz = buf_end - b + 1; | |
| 3798 int ret = jio_snprintf(b, buf_sz, "%d", os::current_process_id()); | |
| 3799 | |
| 3800 // if jio_snprintf fails or the buffer is not long enough to hold | |
| 3801 // the expanded pid, returns false. | |
| 3802 if (ret < 0 || ret >= (int)buf_sz) { | |
| 3803 return false; | |
| 3804 } else { | |
| 3805 b += ret; | |
| 3806 assert(*b == '\0', "fail in copy_expand_pid"); | |
| 3807 if (p == src_end && b == buf_end + 1) { | |
| 3808 // reach the end of the buffer. | |
| 3809 return true; | |
| 3810 } | |
| 3811 } | |
| 3812 p++; | |
| 3813 break; | |
| 3814 } | |
| 3815 default : | |
| 3816 *b++ = '%'; | |
| 3817 } | |
| 3818 } else { | |
| 3819 *b++ = *p++; | |
| 3820 } | |
| 3821 } | |
| 3822 *b = '\0'; | |
| 3823 return (p == src_end); // return false if not all of the source was copied | |
| 3824 } |