Mercurial > hg > truffle
annotate src/share/vm/runtime/arguments.cpp @ 12699:38b84d5a66fd
Start passing down a 'speculation id' to deoptimizations.
Use it to record GuardNode id during guard lowering as a debug feature for now
| author | Gilles Duboscq <duboscq@ssw.jku.at> |
|---|---|
| date | Wed, 06 Nov 2013 14:53:31 +0100 |
| parents | 4dba97fb1a6f |
| children | b699233403ad |
| 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" | |
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31 #include "memory/genCollectedHeap.hpp" |
| 1972 | 32 #include "memory/referenceProcessor.hpp" |
| 33 #include "memory/universe.inline.hpp" | |
| 34 #include "oops/oop.inline.hpp" | |
| 35 #include "prims/jvmtiExport.hpp" | |
| 36 #include "runtime/arguments.hpp" | |
| 37 #include "runtime/globals_extension.hpp" | |
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38 #include "runtime/gpu.hpp" |
| 1972 | 39 #include "runtime/java.hpp" |
| 40 #include "services/management.hpp" | |
| 6197 | 41 #include "services/memTracker.hpp" |
| 1972 | 42 #include "utilities/defaultStream.hpp" |
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43 #include "utilities/macros.hpp" |
| 1972 | 44 #include "utilities/taskqueue.hpp" |
| 45 #ifdef TARGET_OS_FAMILY_linux | |
| 46 # include "os_linux.inline.hpp" | |
| 47 #endif | |
| 48 #ifdef TARGET_OS_FAMILY_solaris | |
| 49 # include "os_solaris.inline.hpp" | |
| 50 #endif | |
| 51 #ifdef TARGET_OS_FAMILY_windows | |
| 52 # include "os_windows.inline.hpp" | |
| 53 #endif | |
| 3960 | 54 #ifdef TARGET_OS_FAMILY_bsd |
| 55 # include "os_bsd.inline.hpp" | |
| 56 #endif | |
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57 #if INCLUDE_ALL_GCS |
| 1972 | 58 #include "gc_implementation/concurrentMarkSweep/compactibleFreeListSpace.hpp" |
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59 #include "gc_implementation/g1/g1CollectedHeap.inline.hpp" |
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60 #include "gc_implementation/parallelScavenge/parallelScavengeHeap.hpp" |
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61 #endif // INCLUDE_ALL_GCS |
| 0 | 62 |
| 2474 | 63 // Note: This is a special bug reporting site for the JVM |
| 64 #define DEFAULT_VENDOR_URL_BUG "http://bugreport.sun.com/bugreport/crash.jsp" | |
| 0 | 65 #define DEFAULT_JAVA_LAUNCHER "generic" |
| 66 | |
|
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67 // Disable options not supported in this release, with a warning if they |
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68 // were explicitly requested on the command-line |
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69 #define UNSUPPORTED_OPTION(opt, description) \ |
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70 do { \ |
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71 if (opt) { \ |
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72 if (FLAG_IS_CMDLINE(opt)) { \ |
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73 warning(description " is disabled in this release."); \ |
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74 } \ |
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75 FLAG_SET_DEFAULT(opt, false); \ |
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76 } \ |
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77 } while(0) |
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78 |
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79 #define UNSUPPORTED_GC_OPTION(gc) \ |
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80 do { \ |
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81 if (gc) { \ |
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82 if (FLAG_IS_CMDLINE(gc)) { \ |
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83 warning(#gc " is not supported in this VM. Using Serial GC."); \ |
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84 } \ |
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85 FLAG_SET_DEFAULT(gc, false); \ |
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86 } \ |
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87 } while(0) |
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88 |
| 0 | 89 char** Arguments::_jvm_flags_array = NULL; |
| 90 int Arguments::_num_jvm_flags = 0; | |
| 91 char** Arguments::_jvm_args_array = NULL; | |
| 92 int Arguments::_num_jvm_args = 0; | |
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93 #ifdef GRAAL |
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94 char** Arguments::_graal_args_array = NULL; |
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95 int Arguments::_num_graal_args = 0; |
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96 #endif |
| 0 | 97 char* Arguments::_java_command = NULL; |
| 98 SystemProperty* Arguments::_system_properties = NULL; | |
| 99 const char* Arguments::_gc_log_filename = NULL; | |
| 100 bool Arguments::_has_profile = false; | |
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101 size_t Arguments::_conservative_max_heap_alignment = 0; |
| 0 | 102 uintx Arguments::_min_heap_size = 0; |
| 103 Arguments::Mode Arguments::_mode = _mixed; | |
| 104 bool Arguments::_java_compiler = false; | |
| 105 bool Arguments::_xdebug_mode = false; | |
| 106 const char* Arguments::_java_vendor_url_bug = DEFAULT_VENDOR_URL_BUG; | |
| 107 const char* Arguments::_sun_java_launcher = DEFAULT_JAVA_LAUNCHER; | |
| 108 int Arguments::_sun_java_launcher_pid = -1; | |
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109 bool Arguments::_created_by_gamma_launcher = false; |
| 0 | 110 |
| 111 // These parameters are reset in method parse_vm_init_args(JavaVMInitArgs*) | |
| 112 bool Arguments::_AlwaysCompileLoopMethods = AlwaysCompileLoopMethods; | |
| 113 bool Arguments::_UseOnStackReplacement = UseOnStackReplacement; | |
| 114 bool Arguments::_BackgroundCompilation = BackgroundCompilation; | |
| 115 bool Arguments::_ClipInlining = ClipInlining; | |
| 116 | |
| 117 char* Arguments::SharedArchivePath = NULL; | |
| 118 | |
| 119 AgentLibraryList Arguments::_libraryList; | |
| 120 AgentLibraryList Arguments::_agentList; | |
| 121 | |
| 122 abort_hook_t Arguments::_abort_hook = NULL; | |
| 123 exit_hook_t Arguments::_exit_hook = NULL; | |
| 124 vfprintf_hook_t Arguments::_vfprintf_hook = NULL; | |
| 125 | |
| 126 | |
| 127 SystemProperty *Arguments::_java_ext_dirs = NULL; | |
| 128 SystemProperty *Arguments::_java_endorsed_dirs = NULL; | |
| 129 SystemProperty *Arguments::_sun_boot_library_path = NULL; | |
| 130 SystemProperty *Arguments::_java_library_path = NULL; | |
| 131 SystemProperty *Arguments::_java_home = NULL; | |
| 132 SystemProperty *Arguments::_java_class_path = NULL; | |
| 133 SystemProperty *Arguments::_sun_boot_class_path = NULL; | |
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134 #ifdef GRAAL |
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135 SystemProperty *Arguments::_graal_gpu_isalist = NULL; |
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136 #endif |
| 0 | 137 |
| 138 char* Arguments::_meta_index_path = NULL; | |
| 139 char* Arguments::_meta_index_dir = NULL; | |
| 140 | |
| 141 // Check if head of 'option' matches 'name', and sets 'tail' remaining part of option string | |
| 142 | |
| 143 static bool match_option(const JavaVMOption *option, const char* name, | |
| 144 const char** tail) { | |
| 145 int len = (int)strlen(name); | |
| 146 if (strncmp(option->optionString, name, len) == 0) { | |
| 147 *tail = option->optionString + len; | |
| 148 return true; | |
| 149 } else { | |
| 150 return false; | |
| 151 } | |
| 152 } | |
| 153 | |
| 154 static void logOption(const char* opt) { | |
| 155 if (PrintVMOptions) { | |
| 156 jio_fprintf(defaultStream::output_stream(), "VM option '%s'\n", opt); | |
| 157 } | |
| 158 } | |
| 159 | |
| 160 // Process java launcher properties. | |
| 161 void Arguments::process_sun_java_launcher_properties(JavaVMInitArgs* args) { | |
| 162 // See if sun.java.launcher or sun.java.launcher.pid is defined. | |
| 163 // Must do this before setting up other system properties, | |
| 164 // as some of them may depend on launcher type. | |
| 165 for (int index = 0; index < args->nOptions; index++) { | |
| 166 const JavaVMOption* option = args->options + index; | |
| 167 const char* tail; | |
| 168 | |
| 169 if (match_option(option, "-Dsun.java.launcher=", &tail)) { | |
| 170 process_java_launcher_argument(tail, option->extraInfo); | |
| 171 continue; | |
| 172 } | |
| 173 if (match_option(option, "-Dsun.java.launcher.pid=", &tail)) { | |
| 174 _sun_java_launcher_pid = atoi(tail); | |
| 175 continue; | |
| 176 } | |
| 177 } | |
| 178 } | |
| 179 | |
| 180 // Initialize system properties key and value. | |
| 181 void Arguments::init_system_properties() { | |
| 182 | |
| 183 PropertyList_add(&_system_properties, new SystemProperty("java.vm.specification.name", | |
| 184 "Java Virtual Machine Specification", false)); | |
| 185 PropertyList_add(&_system_properties, new SystemProperty("java.vm.version", VM_Version::vm_release(), false)); | |
| 186 PropertyList_add(&_system_properties, new SystemProperty("java.vm.name", VM_Version::vm_name(), false)); | |
| 187 PropertyList_add(&_system_properties, new SystemProperty("java.vm.info", VM_Version::vm_info_string(), true)); | |
| 188 | |
| 189 // following are JVMTI agent writeable properties. | |
| 190 // Properties values are set to NULL and they are | |
| 191 // os specific they are initialized in os::init_system_properties_values(). | |
| 192 _java_ext_dirs = new SystemProperty("java.ext.dirs", NULL, true); | |
| 193 _java_endorsed_dirs = new SystemProperty("java.endorsed.dirs", NULL, true); | |
| 194 _sun_boot_library_path = new SystemProperty("sun.boot.library.path", NULL, true); | |
| 195 _java_library_path = new SystemProperty("java.library.path", NULL, true); | |
| 196 _java_home = new SystemProperty("java.home", NULL, true); | |
| 197 _sun_boot_class_path = new SystemProperty("sun.boot.class.path", NULL, true); | |
| 198 | |
| 199 _java_class_path = new SystemProperty("java.class.path", "", true); | |
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200 #ifdef GRAAL |
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201 _graal_gpu_isalist = new SystemProperty("graal.gpu.isalist", NULL, true); |
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202 #endif |
| 0 | 203 |
| 204 // Add to System Property list. | |
| 205 PropertyList_add(&_system_properties, _java_ext_dirs); | |
| 206 PropertyList_add(&_system_properties, _java_endorsed_dirs); | |
| 207 PropertyList_add(&_system_properties, _sun_boot_library_path); | |
| 208 PropertyList_add(&_system_properties, _java_library_path); | |
| 209 PropertyList_add(&_system_properties, _java_home); | |
| 210 PropertyList_add(&_system_properties, _java_class_path); | |
| 211 PropertyList_add(&_system_properties, _sun_boot_class_path); | |
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212 #ifdef GRAAL |
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213 PropertyList_add(&_system_properties, _graal_gpu_isalist); |
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214 #endif |
| 0 | 215 |
| 216 // Set OS specific system properties values | |
| 217 os::init_system_properties_values(); | |
| 218 } | |
| 219 | |
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220 |
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221 // Update/Initialize System properties after JDK version number is known |
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222 void Arguments::init_version_specific_system_properties() { |
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223 enum { bufsz = 16 }; |
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224 char buffer[bufsz]; |
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225 const char* spec_vendor = "Sun Microsystems Inc."; |
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226 uint32_t spec_version = 0; |
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227 |
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228 if (JDK_Version::is_gte_jdk17x_version()) { |
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229 spec_vendor = "Oracle Corporation"; |
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230 spec_version = JDK_Version::current().major_version(); |
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231 } |
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232 jio_snprintf(buffer, bufsz, "1." UINT32_FORMAT, spec_version); |
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233 |
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234 PropertyList_add(&_system_properties, |
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235 new SystemProperty("java.vm.specification.vendor", spec_vendor, false)); |
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236 PropertyList_add(&_system_properties, |
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237 new SystemProperty("java.vm.specification.version", buffer, false)); |
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238 PropertyList_add(&_system_properties, |
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239 new SystemProperty("java.vm.vendor", VM_Version::vm_vendor(), false)); |
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240 } |
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241 |
| 242 | 242 /** |
| 243 * Provide a slightly more user-friendly way of eliminating -XX flags. | |
| 244 * When a flag is eliminated, it can be added to this list in order to | |
| 245 * continue accepting this flag on the command-line, while issuing a warning | |
| 246 * and ignoring the value. Once the JDK version reaches the 'accept_until' | |
| 247 * limit, we flatly refuse to admit the existence of the flag. This allows | |
| 248 * a flag to die correctly over JDK releases using HSX. | |
| 249 */ | |
| 250 typedef struct { | |
| 251 const char* name; | |
| 252 JDK_Version obsoleted_in; // when the flag went away | |
| 253 JDK_Version accept_until; // which version to start denying the existence | |
| 254 } ObsoleteFlag; | |
| 0 | 255 |
| 242 | 256 static ObsoleteFlag obsolete_jvm_flags[] = { |
| 257 { "UseTrainGC", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
| 258 { "UseSpecialLargeObjectHandling", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
| 259 { "UseOversizedCarHandling", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
| 260 { "TraceCarAllocation", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
| 261 { "PrintTrainGCProcessingStats", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
| 262 { "LogOfCarSpaceSize", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
| 263 { "OversizedCarThreshold", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
| 264 { "MinTickInterval", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
| 265 { "DefaultTickInterval", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
| 266 { "MaxTickInterval", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
| 267 { "DelayTickAdjustment", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
| 268 { "ProcessingToTenuringRatio", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
| 269 { "MinTrainLength", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
| 270 { "AppendRatio", JDK_Version::jdk_update(6,10), JDK_Version::jdk(7) }, | |
| 1064 | 271 { "DefaultMaxRAM", JDK_Version::jdk_update(6,18), JDK_Version::jdk(7) }, |
| 272 { "DefaultInitialRAMFraction", | |
| 273 JDK_Version::jdk_update(6,18), JDK_Version::jdk(7) }, | |
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274 { "UseDepthFirstScavengeOrder", |
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275 JDK_Version::jdk_update(6,22), JDK_Version::jdk(7) }, |
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276 { "HandlePromotionFailure", |
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277 JDK_Version::jdk_update(6,24), JDK_Version::jdk(8) }, |
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278 { "MaxLiveObjectEvacuationRatio", |
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279 JDK_Version::jdk_update(6,24), JDK_Version::jdk(8) }, |
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280 { "ForceSharedSpaces", JDK_Version::jdk_update(6,25), JDK_Version::jdk(8) }, |
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281 { "UseParallelOldGCCompacting", |
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282 JDK_Version::jdk_update(6,27), JDK_Version::jdk(8) }, |
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283 { "UseParallelDensePrefixUpdate", |
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284 JDK_Version::jdk_update(6,27), JDK_Version::jdk(8) }, |
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285 { "UseParallelOldGCDensePrefix", |
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286 JDK_Version::jdk_update(6,27), JDK_Version::jdk(8) }, |
| 2460 | 287 { "AllowTransitionalJSR292", JDK_Version::jdk(7), JDK_Version::jdk(8) }, |
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288 { "UseCompressedStrings", JDK_Version::jdk(7), JDK_Version::jdk(8) }, |
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289 { "CMSPermGenPrecleaningEnabled", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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290 { "CMSTriggerPermRatio", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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291 { "CMSInitiatingPermOccupancyFraction", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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292 { "AdaptivePermSizeWeight", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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293 { "PermGenPadding", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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294 { "PermMarkSweepDeadRatio", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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295 { "PermSize", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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296 { "MaxPermSize", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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297 { "MinPermHeapExpansion", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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298 { "MaxPermHeapExpansion", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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299 { "CMSRevisitStackSize", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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300 { "PrintRevisitStats", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
| 6916 | 301 { "UseVectoredExceptions", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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302 { "UseSplitVerifier", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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303 { "UseISM", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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304 { "UsePermISM", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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305 { "UseMPSS", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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306 { "UseStringCache", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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307 #ifdef PRODUCT |
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308 { "DesiredMethodLimit", |
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309 JDK_Version::jdk_update(7, 2), JDK_Version::jdk(8) }, |
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310 #endif // PRODUCT |
| 242 | 311 { NULL, JDK_Version(0), JDK_Version(0) } |
| 312 }; | |
| 313 | |
| 314 // Returns true if the flag is obsolete and fits into the range specified | |
| 315 // for being ignored. In the case that the flag is ignored, the 'version' | |
| 316 // value is filled in with the version number when the flag became | |
| 317 // obsolete so that that value can be displayed to the user. | |
| 318 bool Arguments::is_newly_obsolete(const char *s, JDK_Version* version) { | |
| 0 | 319 int i = 0; |
| 242 | 320 assert(version != NULL, "Must provide a version buffer"); |
| 321 while (obsolete_jvm_flags[i].name != NULL) { | |
| 322 const ObsoleteFlag& flag_status = obsolete_jvm_flags[i]; | |
| 0 | 323 // <flag>=xxx form |
| 324 // [-|+]<flag> form | |
| 242 | 325 if ((strncmp(flag_status.name, s, strlen(flag_status.name)) == 0) || |
| 0 | 326 ((s[0] == '+' || s[0] == '-') && |
| 242 | 327 (strncmp(flag_status.name, &s[1], strlen(flag_status.name)) == 0))) { |
| 328 if (JDK_Version::current().compare(flag_status.accept_until) == -1) { | |
| 329 *version = flag_status.obsoleted_in; | |
| 330 return true; | |
| 331 } | |
| 0 | 332 } |
| 333 i++; | |
| 334 } | |
| 335 return false; | |
| 336 } | |
| 337 | |
| 338 // Constructs the system class path (aka boot class path) from the following | |
| 339 // components, in order: | |
| 340 // | |
| 341 // prefix // from -Xbootclasspath/p:... | |
| 342 // endorsed // the expansion of -Djava.endorsed.dirs=... | |
| 343 // base // from os::get_system_properties() or -Xbootclasspath= | |
| 344 // suffix // from -Xbootclasspath/a:... | |
| 345 // | |
| 346 // java.endorsed.dirs is a list of directories; any jar or zip files in the | |
| 347 // directories are added to the sysclasspath just before the base. | |
| 348 // | |
| 349 // This could be AllStatic, but it isn't needed after argument processing is | |
| 350 // complete. | |
| 351 class SysClassPath: public StackObj { | |
| 352 public: | |
| 353 SysClassPath(const char* base); | |
| 354 ~SysClassPath(); | |
| 355 | |
| 356 inline void set_base(const char* base); | |
| 357 inline void add_prefix(const char* prefix); | |
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358 inline void add_suffix_to_prefix(const char* suffix); |
| 0 | 359 inline void add_suffix(const char* suffix); |
| 360 inline void reset_path(const char* base); | |
| 361 | |
| 362 // Expand the jar/zip files in each directory listed by the java.endorsed.dirs | |
| 363 // property. Must be called after all command-line arguments have been | |
| 364 // processed (in particular, -Djava.endorsed.dirs=...) and before calling | |
| 365 // combined_path(). | |
| 366 void expand_endorsed(); | |
| 367 | |
| 368 inline const char* get_base() const { return _items[_scp_base]; } | |
| 369 inline const char* get_prefix() const { return _items[_scp_prefix]; } | |
| 370 inline const char* get_suffix() const { return _items[_scp_suffix]; } | |
| 371 inline const char* get_endorsed() const { return _items[_scp_endorsed]; } | |
| 372 | |
| 373 // Combine all the components into a single c-heap-allocated string; caller | |
| 374 // must free the string if/when no longer needed. | |
| 375 char* combined_path(); | |
| 376 | |
| 377 private: | |
| 378 // Utility routines. | |
| 379 static char* add_to_path(const char* path, const char* str, bool prepend); | |
| 380 static char* add_jars_to_path(char* path, const char* directory); | |
| 381 | |
| 382 inline void reset_item_at(int index); | |
| 383 | |
| 384 // Array indices for the items that make up the sysclasspath. All except the | |
| 385 // base are allocated in the C heap and freed by this class. | |
| 386 enum { | |
| 387 _scp_prefix, // from -Xbootclasspath/p:... | |
| 388 _scp_endorsed, // the expansion of -Djava.endorsed.dirs=... | |
| 389 _scp_base, // the default sysclasspath | |
| 390 _scp_suffix, // from -Xbootclasspath/a:... | |
| 391 _scp_nitems // the number of items, must be last. | |
| 392 }; | |
| 393 | |
| 394 const char* _items[_scp_nitems]; | |
| 395 DEBUG_ONLY(bool _expansion_done;) | |
| 396 }; | |
| 397 | |
| 398 SysClassPath::SysClassPath(const char* base) { | |
| 399 memset(_items, 0, sizeof(_items)); | |
| 400 _items[_scp_base] = base; | |
| 401 DEBUG_ONLY(_expansion_done = false;) | |
| 402 } | |
| 403 | |
| 404 SysClassPath::~SysClassPath() { | |
| 405 // Free everything except the base. | |
| 406 for (int i = 0; i < _scp_nitems; ++i) { | |
| 407 if (i != _scp_base) reset_item_at(i); | |
| 408 } | |
| 409 DEBUG_ONLY(_expansion_done = false;) | |
| 410 } | |
| 411 | |
| 412 inline void SysClassPath::set_base(const char* base) { | |
| 413 _items[_scp_base] = base; | |
| 414 } | |
| 415 | |
| 416 inline void SysClassPath::add_prefix(const char* prefix) { | |
| 417 _items[_scp_prefix] = add_to_path(_items[_scp_prefix], prefix, true); | |
| 418 } | |
| 419 | |
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420 inline void SysClassPath::add_suffix_to_prefix(const char* suffix) { |
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421 _items[_scp_prefix] = add_to_path(_items[_scp_prefix], suffix, false); |
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422 } |
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423 |
| 0 | 424 inline void SysClassPath::add_suffix(const char* suffix) { |
| 425 _items[_scp_suffix] = add_to_path(_items[_scp_suffix], suffix, false); | |
| 426 } | |
| 427 | |
| 428 inline void SysClassPath::reset_item_at(int index) { | |
| 429 assert(index < _scp_nitems && index != _scp_base, "just checking"); | |
| 430 if (_items[index] != NULL) { | |
| 6197 | 431 FREE_C_HEAP_ARRAY(char, _items[index], mtInternal); |
| 0 | 432 _items[index] = NULL; |
| 433 } | |
| 434 } | |
| 435 | |
| 436 inline void SysClassPath::reset_path(const char* base) { | |
| 437 // Clear the prefix and suffix. | |
| 438 reset_item_at(_scp_prefix); | |
| 439 reset_item_at(_scp_suffix); | |
| 440 set_base(base); | |
| 441 } | |
| 442 | |
| 443 //------------------------------------------------------------------------------ | |
| 444 | |
| 445 void SysClassPath::expand_endorsed() { | |
| 446 assert(_items[_scp_endorsed] == NULL, "can only be called once."); | |
| 447 | |
| 448 const char* path = Arguments::get_property("java.endorsed.dirs"); | |
| 449 if (path == NULL) { | |
| 450 path = Arguments::get_endorsed_dir(); | |
| 451 assert(path != NULL, "no default for java.endorsed.dirs"); | |
| 452 } | |
| 453 | |
| 454 char* expanded_path = NULL; | |
| 455 const char separator = *os::path_separator(); | |
| 456 const char* const end = path + strlen(path); | |
| 457 while (path < end) { | |
| 458 const char* tmp_end = strchr(path, separator); | |
| 459 if (tmp_end == NULL) { | |
| 460 expanded_path = add_jars_to_path(expanded_path, path); | |
| 461 path = end; | |
| 462 } else { | |
| 6197 | 463 char* dirpath = NEW_C_HEAP_ARRAY(char, tmp_end - path + 1, mtInternal); |
| 0 | 464 memcpy(dirpath, path, tmp_end - path); |
| 465 dirpath[tmp_end - path] = '\0'; | |
| 466 expanded_path = add_jars_to_path(expanded_path, dirpath); | |
| 6197 | 467 FREE_C_HEAP_ARRAY(char, dirpath, mtInternal); |
| 0 | 468 path = tmp_end + 1; |
| 469 } | |
| 470 } | |
| 471 _items[_scp_endorsed] = expanded_path; | |
| 472 DEBUG_ONLY(_expansion_done = true;) | |
| 473 } | |
| 474 | |
| 475 // Combine the bootclasspath elements, some of which may be null, into a single | |
| 476 // c-heap-allocated string. | |
| 477 char* SysClassPath::combined_path() { | |
| 478 assert(_items[_scp_base] != NULL, "empty default sysclasspath"); | |
| 479 assert(_expansion_done, "must call expand_endorsed() first."); | |
| 480 | |
| 481 size_t lengths[_scp_nitems]; | |
| 482 size_t total_len = 0; | |
| 483 | |
| 484 const char separator = *os::path_separator(); | |
| 485 | |
| 486 // Get the lengths. | |
| 487 int i; | |
| 488 for (i = 0; i < _scp_nitems; ++i) { | |
| 489 if (_items[i] != NULL) { | |
| 490 lengths[i] = strlen(_items[i]); | |
| 491 // Include space for the separator char (or a NULL for the last item). | |
| 492 total_len += lengths[i] + 1; | |
| 493 } | |
| 494 } | |
| 495 assert(total_len > 0, "empty sysclasspath not allowed"); | |
| 496 | |
| 497 // Copy the _items to a single string. | |
| 6197 | 498 char* cp = NEW_C_HEAP_ARRAY(char, total_len, mtInternal); |
| 0 | 499 char* cp_tmp = cp; |
| 500 for (i = 0; i < _scp_nitems; ++i) { | |
| 501 if (_items[i] != NULL) { | |
| 502 memcpy(cp_tmp, _items[i], lengths[i]); | |
| 503 cp_tmp += lengths[i]; | |
| 504 *cp_tmp++ = separator; | |
| 505 } | |
| 506 } | |
| 507 *--cp_tmp = '\0'; // Replace the extra separator. | |
| 508 return cp; | |
| 509 } | |
| 510 | |
| 511 // Note: path must be c-heap-allocated (or NULL); it is freed if non-null. | |
| 512 char* | |
| 513 SysClassPath::add_to_path(const char* path, const char* str, bool prepend) { | |
| 514 char *cp; | |
| 515 | |
| 516 assert(str != NULL, "just checking"); | |
| 517 if (path == NULL) { | |
| 518 size_t len = strlen(str) + 1; | |
| 6197 | 519 cp = NEW_C_HEAP_ARRAY(char, len, mtInternal); |
| 0 | 520 memcpy(cp, str, len); // copy the trailing null |
| 521 } else { | |
| 522 const char separator = *os::path_separator(); | |
| 523 size_t old_len = strlen(path); | |
| 524 size_t str_len = strlen(str); | |
| 525 size_t len = old_len + str_len + 2; | |
| 526 | |
| 527 if (prepend) { | |
| 6197 | 528 cp = NEW_C_HEAP_ARRAY(char, len, mtInternal); |
| 0 | 529 char* cp_tmp = cp; |
| 530 memcpy(cp_tmp, str, str_len); | |
| 531 cp_tmp += str_len; | |
| 532 *cp_tmp = separator; | |
| 533 memcpy(++cp_tmp, path, old_len + 1); // copy the trailing null | |
| 6197 | 534 FREE_C_HEAP_ARRAY(char, path, mtInternal); |
| 0 | 535 } else { |
| 6197 | 536 cp = REALLOC_C_HEAP_ARRAY(char, path, len, mtInternal); |
| 0 | 537 char* cp_tmp = cp + old_len; |
| 538 *cp_tmp = separator; | |
| 539 memcpy(++cp_tmp, str, str_len + 1); // copy the trailing null | |
| 540 } | |
| 541 } | |
| 542 return cp; | |
| 543 } | |
| 544 | |
| 545 // Scan the directory and append any jar or zip files found to path. | |
| 546 // Note: path must be c-heap-allocated (or NULL); it is freed if non-null. | |
| 547 char* SysClassPath::add_jars_to_path(char* path, const char* directory) { | |
| 548 DIR* dir = os::opendir(directory); | |
| 549 if (dir == NULL) return path; | |
| 550 | |
| 551 char dir_sep[2] = { '\0', '\0' }; | |
| 552 size_t directory_len = strlen(directory); | |
| 553 const char fileSep = *os::file_separator(); | |
| 554 if (directory[directory_len - 1] != fileSep) dir_sep[0] = fileSep; | |
| 555 | |
| 556 /* Scan the directory for jars/zips, appending them to path. */ | |
| 557 struct dirent *entry; | |
| 6197 | 558 char *dbuf = NEW_C_HEAP_ARRAY(char, os::readdir_buf_size(directory), mtInternal); |
| 0 | 559 while ((entry = os::readdir(dir, (dirent *) dbuf)) != NULL) { |
| 560 const char* name = entry->d_name; | |
| 561 const char* ext = name + strlen(name) - 4; | |
| 562 bool isJarOrZip = ext > name && | |
| 563 (os::file_name_strcmp(ext, ".jar") == 0 || | |
| 564 os::file_name_strcmp(ext, ".zip") == 0); | |
| 565 if (isJarOrZip) { | |
| 6197 | 566 char* jarpath = NEW_C_HEAP_ARRAY(char, directory_len + 2 + strlen(name), mtInternal); |
| 0 | 567 sprintf(jarpath, "%s%s%s", directory, dir_sep, name); |
| 568 path = add_to_path(path, jarpath, false); | |
| 6197 | 569 FREE_C_HEAP_ARRAY(char, jarpath, mtInternal); |
| 0 | 570 } |
| 571 } | |
| 6197 | 572 FREE_C_HEAP_ARRAY(char, dbuf, mtInternal); |
| 0 | 573 os::closedir(dir); |
| 574 return path; | |
| 575 } | |
| 576 | |
| 577 // Parses a memory size specification string. | |
|
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578 static bool atomull(const char *s, julong* result) { |
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579 julong n = 0; |
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580 int args_read = sscanf(s, JULONG_FORMAT, &n); |
| 0 | 581 if (args_read != 1) { |
| 582 return false; | |
| 583 } | |
| 584 while (*s != '\0' && isdigit(*s)) { | |
| 585 s++; | |
| 586 } | |
| 587 // 4705540: illegal if more characters are found after the first non-digit | |
| 588 if (strlen(s) > 1) { | |
| 589 return false; | |
| 590 } | |
| 591 switch (*s) { | |
| 592 case 'T': case 't': | |
| 593 *result = n * G * K; | |
|
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594 // Check for overflow. |
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595 if (*result/((julong)G * K) != n) return false; |
| 0 | 596 return true; |
| 597 case 'G': case 'g': | |
| 598 *result = n * G; | |
|
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599 if (*result/G != n) return false; |
| 0 | 600 return true; |
| 601 case 'M': case 'm': | |
| 602 *result = n * M; | |
|
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603 if (*result/M != n) return false; |
| 0 | 604 return true; |
| 605 case 'K': case 'k': | |
| 606 *result = n * K; | |
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607 if (*result/K != n) return false; |
| 0 | 608 return true; |
| 609 case '\0': | |
| 610 *result = n; | |
| 611 return true; | |
| 612 default: | |
| 613 return false; | |
| 614 } | |
| 615 } | |
| 616 | |
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617 Arguments::ArgsRange Arguments::check_memory_size(julong size, julong min_size) { |
| 0 | 618 if (size < min_size) return arg_too_small; |
| 619 // Check that size will fit in a size_t (only relevant on 32-bit) | |
|
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620 if (size > max_uintx) return arg_too_big; |
| 0 | 621 return arg_in_range; |
| 622 } | |
| 623 | |
| 624 // Describe an argument out of range error | |
| 625 void Arguments::describe_range_error(ArgsRange errcode) { | |
| 626 switch(errcode) { | |
| 627 case arg_too_big: | |
| 628 jio_fprintf(defaultStream::error_stream(), | |
| 629 "The specified size exceeds the maximum " | |
| 630 "representable size.\n"); | |
| 631 break; | |
| 632 case arg_too_small: | |
| 633 case arg_unreadable: | |
| 634 case arg_in_range: | |
| 635 // do nothing for now | |
| 636 break; | |
| 637 default: | |
| 638 ShouldNotReachHere(); | |
| 639 } | |
| 640 } | |
| 641 | |
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642 static bool set_bool_flag(char* name, bool value, Flag::Flags origin) { |
| 0 | 643 return CommandLineFlags::boolAtPut(name, &value, origin); |
| 644 } | |
| 645 | |
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646 static bool set_fp_numeric_flag(char* name, char* value, Flag::Flags origin) { |
| 0 | 647 double v; |
| 648 if (sscanf(value, "%lf", &v) != 1) { | |
| 649 return false; | |
| 650 } | |
| 651 | |
| 652 if (CommandLineFlags::doubleAtPut(name, &v, origin)) { | |
| 653 return true; | |
| 654 } | |
| 655 return false; | |
| 656 } | |
| 657 | |
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658 static bool set_numeric_flag(char* name, char* value, Flag::Flags origin) { |
|
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659 julong v; |
| 0 | 660 intx intx_v; |
| 661 bool is_neg = false; | |
|
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662 // Check the sign first since atomull() parses only unsigned values. |
| 0 | 663 if (*value == '-') { |
| 664 if (!CommandLineFlags::intxAt(name, &intx_v)) { | |
| 665 return false; | |
| 666 } | |
| 667 value++; | |
| 668 is_neg = true; | |
| 669 } | |
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670 if (!atomull(value, &v)) { |
| 0 | 671 return false; |
| 672 } | |
| 673 intx_v = (intx) v; | |
| 674 if (is_neg) { | |
| 675 intx_v = -intx_v; | |
| 676 } | |
| 677 if (CommandLineFlags::intxAtPut(name, &intx_v, origin)) { | |
| 678 return true; | |
| 679 } | |
| 680 uintx uintx_v = (uintx) v; | |
| 681 if (!is_neg && CommandLineFlags::uintxAtPut(name, &uintx_v, origin)) { | |
| 682 return true; | |
| 683 } | |
| 1064 | 684 uint64_t uint64_t_v = (uint64_t) v; |
| 685 if (!is_neg && CommandLineFlags::uint64_tAtPut(name, &uint64_t_v, origin)) { | |
| 686 return true; | |
| 687 } | |
| 0 | 688 return false; |
| 689 } | |
| 690 | |
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691 static bool set_string_flag(char* name, const char* value, Flag::Flags origin) { |
| 0 | 692 if (!CommandLineFlags::ccstrAtPut(name, &value, origin)) return false; |
| 693 // Contract: CommandLineFlags always returns a pointer that needs freeing. | |
| 6197 | 694 FREE_C_HEAP_ARRAY(char, value, mtInternal); |
| 0 | 695 return true; |
| 696 } | |
| 697 | |
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698 static bool append_to_string_flag(char* name, const char* new_value, Flag::Flags origin) { |
| 0 | 699 const char* old_value = ""; |
| 700 if (!CommandLineFlags::ccstrAt(name, &old_value)) return false; | |
| 701 size_t old_len = old_value != NULL ? strlen(old_value) : 0; | |
| 702 size_t new_len = strlen(new_value); | |
| 703 const char* value; | |
| 704 char* free_this_too = NULL; | |
| 705 if (old_len == 0) { | |
| 706 value = new_value; | |
| 707 } else if (new_len == 0) { | |
| 708 value = old_value; | |
| 709 } else { | |
| 6197 | 710 char* buf = NEW_C_HEAP_ARRAY(char, old_len + 1 + new_len + 1, mtInternal); |
| 0 | 711 // each new setting adds another LINE to the switch: |
| 712 sprintf(buf, "%s\n%s", old_value, new_value); | |
| 713 value = buf; | |
| 714 free_this_too = buf; | |
| 715 } | |
| 716 (void) CommandLineFlags::ccstrAtPut(name, &value, origin); | |
| 717 // CommandLineFlags always returns a pointer that needs freeing. | |
| 6197 | 718 FREE_C_HEAP_ARRAY(char, value, mtInternal); |
| 0 | 719 if (free_this_too != NULL) { |
| 720 // CommandLineFlags made its own copy, so I must delete my own temp. buffer. | |
| 6197 | 721 FREE_C_HEAP_ARRAY(char, free_this_too, mtInternal); |
| 0 | 722 } |
| 723 return true; | |
| 724 } | |
| 725 | |
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726 bool Arguments::parse_argument(const char* arg, Flag::Flags origin) { |
| 0 | 727 |
| 728 // range of acceptable characters spelled out for portability reasons | |
| 729 #define NAME_RANGE "[abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_]" | |
| 730 #define BUFLEN 255 | |
| 731 char name[BUFLEN+1]; | |
| 732 char dummy; | |
| 733 | |
| 734 if (sscanf(arg, "-%" XSTR(BUFLEN) NAME_RANGE "%c", name, &dummy) == 1) { | |
| 735 return set_bool_flag(name, false, origin); | |
| 736 } | |
| 737 if (sscanf(arg, "+%" XSTR(BUFLEN) NAME_RANGE "%c", name, &dummy) == 1) { | |
| 738 return set_bool_flag(name, true, origin); | |
| 739 } | |
| 740 | |
| 741 char punct; | |
| 742 if (sscanf(arg, "%" XSTR(BUFLEN) NAME_RANGE "%c", name, &punct) == 2 && punct == '=') { | |
| 743 const char* value = strchr(arg, '=') + 1; | |
| 744 Flag* flag = Flag::find_flag(name, strlen(name)); | |
| 745 if (flag != NULL && flag->is_ccstr()) { | |
| 746 if (flag->ccstr_accumulates()) { | |
| 747 return append_to_string_flag(name, value, origin); | |
| 748 } else { | |
| 749 if (value[0] == '\0') { | |
| 750 value = NULL; | |
| 751 } | |
| 752 return set_string_flag(name, value, origin); | |
| 753 } | |
| 754 } | |
| 755 } | |
| 756 | |
| 757 if (sscanf(arg, "%" XSTR(BUFLEN) NAME_RANGE ":%c", name, &punct) == 2 && punct == '=') { | |
| 758 const char* value = strchr(arg, '=') + 1; | |
| 759 // -XX:Foo:=xxx will reset the string flag to the given value. | |
| 760 if (value[0] == '\0') { | |
| 761 value = NULL; | |
| 762 } | |
| 763 return set_string_flag(name, value, origin); | |
| 764 } | |
| 765 | |
| 766 #define SIGNED_FP_NUMBER_RANGE "[-0123456789.]" | |
| 767 #define SIGNED_NUMBER_RANGE "[-0123456789]" | |
| 768 #define NUMBER_RANGE "[0123456789]" | |
| 769 char value[BUFLEN + 1]; | |
| 770 char value2[BUFLEN + 1]; | |
| 771 if (sscanf(arg, "%" XSTR(BUFLEN) NAME_RANGE "=" "%" XSTR(BUFLEN) SIGNED_NUMBER_RANGE "." "%" XSTR(BUFLEN) NUMBER_RANGE "%c", name, value, value2, &dummy) == 3) { | |
| 772 // Looks like a floating-point number -- try again with more lenient format string | |
| 773 if (sscanf(arg, "%" XSTR(BUFLEN) NAME_RANGE "=" "%" XSTR(BUFLEN) SIGNED_FP_NUMBER_RANGE "%c", name, value, &dummy) == 2) { | |
| 774 return set_fp_numeric_flag(name, value, origin); | |
| 775 } | |
| 776 } | |
| 777 | |
| 778 #define VALUE_RANGE "[-kmgtKMGT0123456789]" | |
| 779 if (sscanf(arg, "%" XSTR(BUFLEN) NAME_RANGE "=" "%" XSTR(BUFLEN) VALUE_RANGE "%c", name, value, &dummy) == 2) { | |
| 780 return set_numeric_flag(name, value, origin); | |
| 781 } | |
| 782 | |
| 783 return false; | |
| 784 } | |
| 785 | |
| 786 void Arguments::add_string(char*** bldarray, int* count, const char* arg) { | |
| 787 assert(bldarray != NULL, "illegal argument"); | |
| 788 | |
| 789 if (arg == NULL) { | |
| 790 return; | |
| 791 } | |
| 792 | |
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793 int new_count = *count + 1; |
| 0 | 794 |
| 795 // expand the array and add arg to the last element | |
| 796 if (*bldarray == NULL) { | |
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797 *bldarray = NEW_C_HEAP_ARRAY(char*, new_count, mtInternal); |
| 0 | 798 } else { |
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799 *bldarray = REALLOC_C_HEAP_ARRAY(char*, *bldarray, new_count, mtInternal); |
| 0 | 800 } |
|
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801 (*bldarray)[*count] = strdup(arg); |
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802 *count = new_count; |
| 0 | 803 } |
| 804 | |
| 805 void Arguments::build_jvm_args(const char* arg) { | |
| 806 add_string(&_jvm_args_array, &_num_jvm_args, arg); | |
| 807 } | |
| 808 | |
| 809 void Arguments::build_jvm_flags(const char* arg) { | |
| 810 add_string(&_jvm_flags_array, &_num_jvm_flags, arg); | |
| 811 } | |
|
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812 #ifdef GRAAL |
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813 void Arguments::add_graal_arg(const char* arg) { |
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814 add_string(&_graal_args_array, &_num_graal_args, arg); |
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815 } |
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816 #endif |
| 0 | 817 |
| 818 // utility function to return a string that concatenates all | |
| 819 // strings in a given char** array | |
| 820 const char* Arguments::build_resource_string(char** args, int count) { | |
| 821 if (args == NULL || count == 0) { | |
| 822 return NULL; | |
| 823 } | |
| 824 size_t length = strlen(args[0]) + 1; // add 1 for the null terminator | |
| 825 for (int i = 1; i < count; i++) { | |
| 826 length += strlen(args[i]) + 1; // add 1 for a space | |
| 827 } | |
| 828 char* s = NEW_RESOURCE_ARRAY(char, length); | |
| 829 strcpy(s, args[0]); | |
| 830 for (int j = 1; j < count; j++) { | |
| 831 strcat(s, " "); | |
| 832 strcat(s, args[j]); | |
| 833 } | |
| 834 return (const char*) s; | |
| 835 } | |
| 836 | |
| 837 void Arguments::print_on(outputStream* st) { | |
| 838 st->print_cr("VM Arguments:"); | |
| 839 if (num_jvm_flags() > 0) { | |
| 840 st->print("jvm_flags: "); print_jvm_flags_on(st); | |
| 841 } | |
| 842 if (num_jvm_args() > 0) { | |
| 843 st->print("jvm_args: "); print_jvm_args_on(st); | |
| 844 } | |
| 845 st->print_cr("java_command: %s", java_command() ? java_command() : "<unknown>"); | |
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846 if (_java_class_path != NULL) { |
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847 char* path = _java_class_path->value(); |
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848 st->print_cr("java_class_path (initial): %s", strlen(path) == 0 ? "<not set>" : path ); |
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849 } |
| 0 | 850 st->print_cr("Launcher Type: %s", _sun_java_launcher); |
| 851 } | |
| 852 | |
| 853 void Arguments::print_jvm_flags_on(outputStream* st) { | |
| 854 if (_num_jvm_flags > 0) { | |
| 855 for (int i=0; i < _num_jvm_flags; i++) { | |
| 856 st->print("%s ", _jvm_flags_array[i]); | |
| 857 } | |
| 858 st->print_cr(""); | |
| 859 } | |
| 860 } | |
| 861 | |
| 862 void Arguments::print_jvm_args_on(outputStream* st) { | |
| 863 if (_num_jvm_args > 0) { | |
| 864 for (int i=0; i < _num_jvm_args; i++) { | |
| 865 st->print("%s ", _jvm_args_array[i]); | |
| 866 } | |
| 867 st->print_cr(""); | |
| 868 } | |
| 869 } | |
| 870 | |
| 242 | 871 bool Arguments::process_argument(const char* arg, |
|
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872 jboolean ignore_unrecognized, Flag::Flags origin) { |
| 242 | 873 |
| 874 JDK_Version since = JDK_Version(); | |
| 0 | 875 |
| 3250 | 876 if (parse_argument(arg, origin) || ignore_unrecognized) { |
| 877 return true; | |
| 0 | 878 } |
| 3250 | 879 |
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880 bool has_plus_minus = (*arg == '+' || *arg == '-'); |
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881 const char* const argname = has_plus_minus ? arg + 1 : arg; |
| 3250 | 882 if (is_newly_obsolete(arg, &since)) { |
| 883 char version[256]; | |
| 884 since.to_string(version, sizeof(version)); | |
| 885 warning("ignoring option %s; support was removed in %s", argname, version); | |
| 886 return true; | |
| 887 } | |
| 888 | |
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889 // For locked flags, report a custom error message if available. |
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890 // Otherwise, report the standard unrecognized VM option. |
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891 |
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892 size_t arg_len; |
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893 const char* equal_sign = strchr(argname, '='); |
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894 if (equal_sign == NULL) { |
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895 arg_len = strlen(argname); |
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896 } else { |
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897 arg_len = equal_sign - argname; |
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898 } |
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899 |
| 11070 | 900 Flag* found_flag = Flag::find_flag((const char*)argname, arg_len, true); |
|
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901 if (found_flag != NULL) { |
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902 char locked_message_buf[BUFLEN]; |
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903 found_flag->get_locked_message(locked_message_buf, BUFLEN); |
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904 if (strlen(locked_message_buf) == 0) { |
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905 if (found_flag->is_bool() && !has_plus_minus) { |
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906 jio_fprintf(defaultStream::error_stream(), |
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907 "Missing +/- setting for VM option '%s'\n", argname); |
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908 } else if (!found_flag->is_bool() && has_plus_minus) { |
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909 jio_fprintf(defaultStream::error_stream(), |
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910 "Unexpected +/- setting in VM option '%s'\n", argname); |
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911 } else { |
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912 jio_fprintf(defaultStream::error_stream(), |
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913 "Improperly specified VM option '%s'\n", argname); |
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914 } |
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915 } else { |
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916 jio_fprintf(defaultStream::error_stream(), "%s", locked_message_buf); |
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917 } |
| 6017 | 918 } else { |
| 919 jio_fprintf(defaultStream::error_stream(), | |
| 920 "Unrecognized VM option '%s'\n", argname); | |
| 11070 | 921 Flag* fuzzy_matched = Flag::fuzzy_match((const char*)argname, arg_len, true); |
| 922 if (fuzzy_matched != NULL) { | |
| 923 jio_fprintf(defaultStream::error_stream(), | |
| 924 "Did you mean '%s%s%s'?\n", | |
| 925 (fuzzy_matched->is_bool()) ? "(+/-)" : "", | |
|
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926 fuzzy_matched->_name, |
| 11070 | 927 (fuzzy_matched->is_bool()) ? "" : "=<value>"); |
| 928 } | |
|
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929 } |
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930 |
| 3250 | 931 // allow for commandline "commenting out" options like -XX:#+Verbose |
| 932 return arg[0] == '#'; | |
| 0 | 933 } |
| 934 | |
| 935 bool Arguments::process_settings_file(const char* file_name, bool should_exist, jboolean ignore_unrecognized) { | |
| 936 FILE* stream = fopen(file_name, "rb"); | |
| 937 if (stream == NULL) { | |
| 938 if (should_exist) { | |
| 939 jio_fprintf(defaultStream::error_stream(), | |
| 940 "Could not open settings file %s\n", file_name); | |
| 941 return false; | |
| 942 } else { | |
| 943 return true; | |
| 944 } | |
| 945 } | |
| 946 | |
| 947 char token[1024]; | |
| 948 int pos = 0; | |
| 949 | |
| 950 bool in_white_space = true; | |
| 951 bool in_comment = false; | |
| 952 bool in_quote = false; | |
| 953 char quote_c = 0; | |
| 954 bool result = true; | |
| 955 | |
| 956 int c = getc(stream); | |
| 6901 | 957 while(c != EOF && pos < (int)(sizeof(token)-1)) { |
| 0 | 958 if (in_white_space) { |
| 959 if (in_comment) { | |
| 960 if (c == '\n') in_comment = false; | |
| 961 } else { | |
| 962 if (c == '#') in_comment = true; | |
| 963 else if (!isspace(c)) { | |
| 964 in_white_space = false; | |
| 965 token[pos++] = c; | |
| 966 } | |
| 967 } | |
| 968 } else { | |
| 969 if (c == '\n' || (!in_quote && isspace(c))) { | |
| 970 // token ends at newline, or at unquoted whitespace | |
| 971 // this allows a way to include spaces in string-valued options | |
| 972 token[pos] = '\0'; | |
| 973 logOption(token); | |
|
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974 result &= process_argument(token, ignore_unrecognized, Flag::CONFIG_FILE); |
| 0 | 975 build_jvm_flags(token); |
| 976 pos = 0; | |
| 977 in_white_space = true; | |
| 978 in_quote = false; | |
| 979 } else if (!in_quote && (c == '\'' || c == '"')) { | |
| 980 in_quote = true; | |
| 981 quote_c = c; | |
| 982 } else if (in_quote && (c == quote_c)) { | |
| 983 in_quote = false; | |
| 984 } else { | |
| 985 token[pos++] = c; | |
| 986 } | |
| 987 } | |
| 988 c = getc(stream); | |
| 989 } | |
| 990 if (pos > 0) { | |
| 991 token[pos] = '\0'; | |
|
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992 result &= process_argument(token, ignore_unrecognized, Flag::CONFIG_FILE); |
| 0 | 993 build_jvm_flags(token); |
| 994 } | |
| 995 fclose(stream); | |
| 996 return result; | |
| 997 } | |
| 998 | |
| 999 //============================================================================================================= | |
| 1000 // Parsing of properties (-D) | |
| 1001 | |
| 1002 const char* Arguments::get_property(const char* key) { | |
| 1003 return PropertyList_get_value(system_properties(), key); | |
| 1004 } | |
| 1005 | |
| 1006 bool Arguments::add_property(const char* prop) { | |
| 1007 const char* eq = strchr(prop, '='); | |
| 1008 char* key; | |
| 1009 // ns must be static--its address may be stored in a SystemProperty object. | |
| 1010 const static char ns[1] = {0}; | |
| 1011 char* value = (char *)ns; | |
| 1012 | |
| 1013 size_t key_len = (eq == NULL) ? strlen(prop) : (eq - prop); | |
| 6197 | 1014 key = AllocateHeap(key_len + 1, mtInternal); |
| 0 | 1015 strncpy(key, prop, key_len); |
| 1016 key[key_len] = '\0'; | |
| 1017 | |
| 1018 if (eq != NULL) { | |
| 1019 size_t value_len = strlen(prop) - key_len - 1; | |
| 6197 | 1020 value = AllocateHeap(value_len + 1, mtInternal); |
| 0 | 1021 strncpy(value, &prop[key_len + 1], value_len + 1); |
| 1022 } | |
| 1023 | |
| 1024 if (strcmp(key, "java.compiler") == 0) { | |
| 1025 process_java_compiler_argument(value); | |
| 1026 FreeHeap(key); | |
| 1027 if (eq != NULL) { | |
| 1028 FreeHeap(value); | |
| 1029 } | |
| 1030 return true; | |
| 691 | 1031 } else if (strcmp(key, "sun.java.command") == 0) { |
| 0 | 1032 _java_command = value; |
| 1033 | |
|
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1034 // Record value in Arguments, but let it get passed to Java. |
| 691 | 1035 } else if (strcmp(key, "sun.java.launcher.pid") == 0) { |
| 0 | 1036 // launcher.pid property is private and is processed |
| 1037 // in process_sun_java_launcher_properties(); | |
| 1038 // the sun.java.launcher property is passed on to the java application | |
| 1039 FreeHeap(key); | |
| 1040 if (eq != NULL) { | |
| 1041 FreeHeap(value); | |
| 1042 } | |
| 1043 return true; | |
| 691 | 1044 } else if (strcmp(key, "java.vendor.url.bug") == 0) { |
| 0 | 1045 // save it in _java_vendor_url_bug, so JVM fatal error handler can access |
| 1046 // its value without going through the property list or making a Java call. | |
| 1047 _java_vendor_url_bug = value; | |
| 691 | 1048 } else if (strcmp(key, "sun.boot.library.path") == 0) { |
| 1049 PropertyList_unique_add(&_system_properties, key, value, true); | |
| 1050 return true; | |
| 0 | 1051 } |
| 1052 // Create new property and add at the end of the list | |
| 1053 PropertyList_unique_add(&_system_properties, key, value); | |
| 1054 return true; | |
| 1055 } | |
| 1056 | |
| 1057 //=========================================================================================================== | |
| 1058 // Setting int/mixed/comp mode flags | |
| 1059 | |
| 1060 void Arguments::set_mode_flags(Mode mode) { | |
| 1061 // Set up default values for all flags. | |
| 1062 // If you add a flag to any of the branches below, | |
| 1063 // add a default value for it here. | |
| 1064 set_java_compiler(false); | |
| 1065 _mode = mode; | |
| 1066 | |
| 1067 // Ensure Agent_OnLoad has the correct initial values. | |
| 1068 // This may not be the final mode; mode may change later in onload phase. | |
| 1069 PropertyList_unique_add(&_system_properties, "java.vm.info", | |
|
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1070 (char*)VM_Version::vm_info_string(), false); |
| 0 | 1071 |
| 1072 UseInterpreter = true; | |
| 1073 UseCompiler = true; | |
| 1074 UseLoopCounter = true; | |
| 1075 | |
|
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1076 #ifndef ZERO |
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1077 // Turn these off for mixed and comp. Leave them on for Zero. |
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1078 if (FLAG_IS_DEFAULT(UseFastAccessorMethods)) { |
|
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1079 UseFastAccessorMethods = (mode == _int); |
|
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1080 } |
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1081 if (FLAG_IS_DEFAULT(UseFastEmptyMethods)) { |
|
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1082 UseFastEmptyMethods = (mode == _int); |
|
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1083 } |
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1084 #endif |
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1085 |
| 0 | 1086 // Default values may be platform/compiler dependent - |
| 1087 // use the saved values | |
| 1088 ClipInlining = Arguments::_ClipInlining; | |
| 1089 AlwaysCompileLoopMethods = Arguments::_AlwaysCompileLoopMethods; | |
| 1090 UseOnStackReplacement = Arguments::_UseOnStackReplacement; | |
| 1091 BackgroundCompilation = Arguments::_BackgroundCompilation; | |
| 1092 | |
| 1093 // Change from defaults based on mode | |
| 1094 switch (mode) { | |
| 1095 default: | |
| 1096 ShouldNotReachHere(); | |
| 1097 break; | |
| 1098 case _int: | |
| 1099 UseCompiler = false; | |
| 1100 UseLoopCounter = false; | |
| 1101 AlwaysCompileLoopMethods = false; | |
| 1102 UseOnStackReplacement = false; | |
| 1103 break; | |
| 1104 case _mixed: | |
| 1105 // same as default | |
| 1106 break; | |
| 1107 case _comp: | |
| 1108 UseInterpreter = false; | |
| 1109 BackgroundCompilation = false; | |
| 1110 ClipInlining = false; | |
|
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1111 // Be much more aggressive in tiered mode with -Xcomp and exercise C2 more. |
|
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1112 // We will first compile a level 3 version (C1 with full profiling), then do one invocation of it and |
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1113 // compile a level 4 (C2) and then continue executing it. |
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1114 if (TieredCompilation) { |
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1115 Tier3InvokeNotifyFreqLog = 0; |
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1116 Tier4InvocationThreshold = 0; |
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1117 } |
| 0 | 1118 break; |
| 1119 } | |
| 1120 } | |
| 1121 | |
| 12355 | 1122 #if defined(COMPILER2) || defined(GRAAL) || defined(_LP64) || !INCLUDE_CDS |
| 0 | 1123 // Conflict: required to use shared spaces (-Xshare:on), but |
| 1124 // incompatible command line options were chosen. | |
| 1125 | |
| 1126 static void no_shared_spaces() { | |
| 1127 if (RequireSharedSpaces) { | |
| 1128 jio_fprintf(defaultStream::error_stream(), | |
| 1129 "Class data sharing is inconsistent with other specified options.\n"); | |
| 1130 vm_exit_during_initialization("Unable to use shared archive.", NULL); | |
| 1131 } else { | |
| 1132 FLAG_SET_DEFAULT(UseSharedSpaces, false); | |
| 1133 } | |
| 1134 } | |
|
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1135 #endif |
| 0 | 1136 |
| 1783 | 1137 void Arguments::set_tiered_flags() { |
|
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|
1138 // With tiered, set default policy to AdvancedThresholdPolicy, which is 3. |
| 1783 | 1139 if (FLAG_IS_DEFAULT(CompilationPolicyChoice)) { |
|
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1140 FLAG_SET_DEFAULT(CompilationPolicyChoice, 3); |
| 1783 | 1141 } |
| 1142 if (CompilationPolicyChoice < 2) { | |
| 1143 vm_exit_during_initialization( | |
| 1144 "Incompatible compilation policy selected", NULL); | |
| 1145 } | |
|
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|
1146 // Increase the code cache size - tiered compiles a lot more. |
| 1783 | 1147 if (FLAG_IS_DEFAULT(ReservedCodeCacheSize)) { |
|
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1148 FLAG_SET_DEFAULT(ReservedCodeCacheSize, ReservedCodeCacheSize * 5); |
| 1783 | 1149 } |
| 10278 | 1150 if (!UseInterpreter) { // -Xcomp |
| 1151 Tier3InvokeNotifyFreqLog = 0; | |
| 1152 Tier4InvocationThreshold = 0; | |
| 1153 } | |
|
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1154 if (FLAG_IS_DEFAULT(NmethodSweepFraction)) { |
|
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1155 FLAG_SET_DEFAULT(NmethodSweepFraction, 1 + ReservedCodeCacheSize / (16 * M)); |
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1156 } |
| 1783 | 1157 } |
| 1158 | |
|
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|
1159 #if INCLUDE_ALL_GCS |
| 4838 | 1160 static void disable_adaptive_size_policy(const char* collector_name) { |
| 1161 if (UseAdaptiveSizePolicy) { | |
| 1162 if (FLAG_IS_CMDLINE(UseAdaptiveSizePolicy)) { | |
| 1163 warning("disabling UseAdaptiveSizePolicy; it is incompatible with %s.", | |
| 1164 collector_name); | |
| 1165 } | |
| 1166 FLAG_SET_DEFAULT(UseAdaptiveSizePolicy, false); | |
| 1167 } | |
| 1168 } | |
| 1169 | |
| 0 | 1170 void Arguments::set_parnew_gc_flags() { |
| 1064 | 1171 assert(!UseSerialGC && !UseParallelOldGC && !UseParallelGC && !UseG1GC, |
|
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1172 "control point invariant"); |
|
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1173 assert(UseParNewGC, "Error"); |
| 0 | 1174 |
| 4838 | 1175 // Turn off AdaptiveSizePolicy for parnew until it is complete. |
| 1176 disable_adaptive_size_policy("UseParNewGC"); | |
|
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1177 |
|
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1178 if (FLAG_IS_DEFAULT(ParallelGCThreads)) { |
|
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|
1179 FLAG_SET_DEFAULT(ParallelGCThreads, Abstract_VM_Version::parallel_worker_threads()); |
|
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1180 assert(ParallelGCThreads > 0, "We should always have at least one thread by default"); |
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1181 } else if (ParallelGCThreads == 0) { |
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1182 jio_fprintf(defaultStream::error_stream(), |
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1183 "The ParNew GC can not be combined with -XX:ParallelGCThreads=0\n"); |
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1184 vm_exit(1); |
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1185 } |
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1186 |
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1187 // By default YoungPLABSize and OldPLABSize are set to 4096 and 1024 respectively, |
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1188 // these settings are default for Parallel Scavenger. For ParNew+Tenured configuration |
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1189 // we set them to 1024 and 1024. |
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1190 // See CR 6362902. |
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1191 if (FLAG_IS_DEFAULT(YoungPLABSize)) { |
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1192 FLAG_SET_DEFAULT(YoungPLABSize, (intx)1024); |
| 0 | 1193 } |
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1194 if (FLAG_IS_DEFAULT(OldPLABSize)) { |
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1195 FLAG_SET_DEFAULT(OldPLABSize, (intx)1024); |
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1196 } |
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1197 |
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1198 // AlwaysTenure flag should make ParNew promote all at first collection. |
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1199 // See CR 6362902. |
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1200 if (AlwaysTenure) { |
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1201 FLAG_SET_CMDLINE(uintx, MaxTenuringThreshold, 0); |
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1202 } |
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1203 // When using compressed oops, we use local overflow stacks, |
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1204 // rather than using a global overflow list chained through |
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1205 // the klass word of the object's pre-image. |
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1206 if (UseCompressedOops && !ParGCUseLocalOverflow) { |
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1207 if (!FLAG_IS_DEFAULT(ParGCUseLocalOverflow)) { |
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1208 warning("Forcing +ParGCUseLocalOverflow: needed if using compressed references"); |
| 0 | 1209 } |
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1210 FLAG_SET_DEFAULT(ParGCUseLocalOverflow, true); |
| 0 | 1211 } |
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1212 assert(ParGCUseLocalOverflow || !UseCompressedOops, "Error"); |
| 0 | 1213 } |
| 1214 | |
| 1215 // Adjust some sizes to suit CMS and/or ParNew needs; these work well on | |
| 1216 // sparc/solaris for certain applications, but would gain from | |
| 1217 // further optimization and tuning efforts, and would almost | |
| 1218 // certainly gain from analysis of platform and environment. | |
| 1219 void Arguments::set_cms_and_parnew_gc_flags() { | |
| 1064 | 1220 assert(!UseSerialGC && !UseParallelOldGC && !UseParallelGC, "Error"); |
|
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1221 assert(UseConcMarkSweepGC, "CMS is expected to be on here"); |
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1222 |
| 0 | 1223 // If we are using CMS, we prefer to UseParNewGC, |
| 1224 // unless explicitly forbidden. | |
|
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1225 if (FLAG_IS_DEFAULT(UseParNewGC)) { |
|
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1226 FLAG_SET_ERGO(bool, UseParNewGC, true); |
| 0 | 1227 } |
| 1228 | |
|
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1229 // Turn off AdaptiveSizePolicy by default for cms until it is complete. |
| 4838 | 1230 disable_adaptive_size_policy("UseConcMarkSweepGC"); |
| 0 | 1231 |
| 1232 // In either case, adjust ParallelGCThreads and/or UseParNewGC | |
| 1233 // as needed. | |
|
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1234 if (UseParNewGC) { |
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1235 set_parnew_gc_flags(); |
| 0 | 1236 } |
| 1237 | |
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1238 size_t max_heap = align_size_down(MaxHeapSize, |
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1239 CardTableRS::ct_max_alignment_constraint()); |
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1240 |
| 0 | 1241 // Now make adjustments for CMS |
|
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1242 intx tenuring_default = (intx)6; |
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1243 size_t young_gen_per_worker = CMSYoungGenPerWorker; |
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1244 |
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1245 // Preferred young gen size for "short" pauses: |
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1246 // upper bound depends on # of threads and NewRatio. |
| 0 | 1247 const uintx parallel_gc_threads = |
| 1248 (ParallelGCThreads == 0 ? 1 : ParallelGCThreads); | |
| 1249 const size_t preferred_max_new_size_unaligned = | |
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1250 MIN2(max_heap/(NewRatio+1), ScaleForWordSize(young_gen_per_worker * parallel_gc_threads)); |
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1251 size_t preferred_max_new_size = |
| 0 | 1252 align_size_up(preferred_max_new_size_unaligned, os::vm_page_size()); |
| 1253 | |
| 1254 // Unless explicitly requested otherwise, size young gen | |
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1255 // for "short" pauses ~ CMSYoungGenPerWorker*ParallelGCThreads |
|
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1256 |
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1257 // If either MaxNewSize or NewRatio is set on the command line, |
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1258 // assume the user is trying to set the size of the young gen. |
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1259 if (FLAG_IS_DEFAULT(MaxNewSize) && FLAG_IS_DEFAULT(NewRatio)) { |
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1260 |
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1261 // Set MaxNewSize to our calculated preferred_max_new_size unless |
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1262 // NewSize was set on the command line and it is larger than |
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1263 // preferred_max_new_size. |
| 0 | 1264 if (!FLAG_IS_DEFAULT(NewSize)) { // NewSize explicitly set at command-line |
|
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1265 FLAG_SET_ERGO(uintx, MaxNewSize, MAX2(NewSize, preferred_max_new_size)); |
| 0 | 1266 } else { |
|
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1267 FLAG_SET_ERGO(uintx, MaxNewSize, preferred_max_new_size); |
| 0 | 1268 } |
| 1064 | 1269 if (PrintGCDetails && Verbose) { |
|
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1270 // Too early to use gclog_or_tty |
|
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1271 tty->print_cr("CMS ergo set MaxNewSize: " SIZE_FORMAT, MaxNewSize); |
|
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1272 } |
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1273 |
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1274 // Code along this path potentially sets NewSize and OldSize |
| 1064 | 1275 if (PrintGCDetails && Verbose) { |
|
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1276 // Too early to use gclog_or_tty |
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1277 tty->print_cr("CMS set min_heap_size: " SIZE_FORMAT |
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1278 " initial_heap_size: " SIZE_FORMAT |
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1279 " max_heap: " SIZE_FORMAT, |
| 1064 | 1280 min_heap_size(), InitialHeapSize, max_heap); |
|
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1281 } |
|
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1282 size_t min_new = preferred_max_new_size; |
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1283 if (FLAG_IS_CMDLINE(NewSize)) { |
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1284 min_new = NewSize; |
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1285 } |
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1286 if (max_heap > min_new && min_heap_size() > min_new) { |
| 0 | 1287 // Unless explicitly requested otherwise, make young gen |
| 1288 // at least min_new, and at most preferred_max_new_size. | |
| 1289 if (FLAG_IS_DEFAULT(NewSize)) { | |
|
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1290 FLAG_SET_ERGO(uintx, NewSize, MAX2(NewSize, min_new)); |
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1291 FLAG_SET_ERGO(uintx, NewSize, MIN2(preferred_max_new_size, NewSize)); |
| 1064 | 1292 if (PrintGCDetails && Verbose) { |
|
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1293 // Too early to use gclog_or_tty |
|
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1294 tty->print_cr("CMS ergo set NewSize: " SIZE_FORMAT, NewSize); |
|
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1295 } |
| 0 | 1296 } |
| 1297 // Unless explicitly requested otherwise, size old gen | |
|
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1298 // so it's NewRatio x of NewSize. |
| 0 | 1299 if (FLAG_IS_DEFAULT(OldSize)) { |
| 1300 if (max_heap > NewSize) { | |
|
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1301 FLAG_SET_ERGO(uintx, OldSize, MIN2(NewRatio*NewSize, max_heap - NewSize)); |
| 1064 | 1302 if (PrintGCDetails && Verbose) { |
|
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1303 // Too early to use gclog_or_tty |
|
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1304 tty->print_cr("CMS ergo set OldSize: " SIZE_FORMAT, OldSize); |
|
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1305 } |
| 0 | 1306 } |
| 1307 } | |
| 1308 } | |
| 1309 } | |
| 1310 // Unless explicitly requested otherwise, definitely | |
| 1311 // promote all objects surviving "tenuring_default" scavenges. | |
| 1312 if (FLAG_IS_DEFAULT(MaxTenuringThreshold) && | |
| 1313 FLAG_IS_DEFAULT(SurvivorRatio)) { | |
| 6818 | 1314 FLAG_SET_ERGO(uintx, MaxTenuringThreshold, tenuring_default); |
| 0 | 1315 } |
| 1316 // If we decided above (or user explicitly requested) | |
| 1317 // `promote all' (via MaxTenuringThreshold := 0), | |
| 1318 // prefer minuscule survivor spaces so as not to waste | |
| 1319 // space for (non-existent) survivors | |
| 1320 if (FLAG_IS_DEFAULT(SurvivorRatio) && MaxTenuringThreshold == 0) { | |
| 8035 | 1321 FLAG_SET_ERGO(uintx, SurvivorRatio, MAX2((uintx)1024, SurvivorRatio)); |
| 0 | 1322 } |
| 1323 // If OldPLABSize is set and CMSParPromoteBlocksToClaim is not, | |
| 1324 // set CMSParPromoteBlocksToClaim equal to OldPLABSize. | |
| 1325 // This is done in order to make ParNew+CMS configuration to work | |
| 1326 // with YoungPLABSize and OldPLABSize options. | |
| 1327 // See CR 6362902. | |
| 1328 if (!FLAG_IS_DEFAULT(OldPLABSize)) { | |
| 1329 if (FLAG_IS_DEFAULT(CMSParPromoteBlocksToClaim)) { | |
|
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1330 // OldPLABSize is not the default value but CMSParPromoteBlocksToClaim |
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1331 // is. In this situtation let CMSParPromoteBlocksToClaim follow |
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1332 // the value (either from the command line or ergonomics) of |
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1333 // OldPLABSize. Following OldPLABSize is an ergonomics decision. |
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1334 FLAG_SET_ERGO(uintx, CMSParPromoteBlocksToClaim, OldPLABSize); |
|
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1335 } else { |
| 0 | 1336 // OldPLABSize and CMSParPromoteBlocksToClaim are both set. |
| 1337 // CMSParPromoteBlocksToClaim is a collector-specific flag, so | |
| 1338 // we'll let it to take precedence. | |
| 1339 jio_fprintf(defaultStream::error_stream(), | |
|
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1340 "Both OldPLABSize and CMSParPromoteBlocksToClaim" |
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1341 " options are specified for the CMS collector." |
|
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1342 " CMSParPromoteBlocksToClaim will take precedence.\n"); |
| 0 | 1343 } |
| 1344 } | |
|
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1345 if (!FLAG_IS_DEFAULT(ResizeOldPLAB) && !ResizeOldPLAB) { |
|
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1346 // OldPLAB sizing manually turned off: Use a larger default setting, |
|
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1347 // unless it was manually specified. This is because a too-low value |
|
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1348 // will slow down scavenges. |
|
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1349 if (FLAG_IS_DEFAULT(CMSParPromoteBlocksToClaim)) { |
|
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1350 FLAG_SET_ERGO(uintx, CMSParPromoteBlocksToClaim, 50); // default value before 6631166 |
|
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1351 } |
|
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1352 } |
|
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|
1353 // Overwrite OldPLABSize which is the variable we will internally use everywhere. |
|
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|
1354 FLAG_SET_ERGO(uintx, OldPLABSize, CMSParPromoteBlocksToClaim); |
|
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1355 // If either of the static initialization defaults have changed, note this |
|
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1356 // modification. |
|
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1357 if (!FLAG_IS_DEFAULT(CMSParPromoteBlocksToClaim) || !FLAG_IS_DEFAULT(OldPLABWeight)) { |
|
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1358 CFLS_LAB::modify_initialization(OldPLABSize, OldPLABWeight); |
|
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1359 } |
| 1284 | 1360 if (PrintGCDetails && Verbose) { |
| 1361 tty->print_cr("MarkStackSize: %uk MarkStackSizeMax: %uk", | |
| 1362 MarkStackSize / K, MarkStackSizeMax / K); | |
| 1363 tty->print_cr("ConcGCThreads: %u", ConcGCThreads); | |
| 1364 } | |
| 0 | 1365 } |
|
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1366 #endif // INCLUDE_ALL_GCS |
| 0 | 1367 |
|
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1368 void set_object_alignment() { |
|
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|
1369 // Object alignment. |
|
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1370 assert(is_power_of_2(ObjectAlignmentInBytes), "ObjectAlignmentInBytes must be power of 2"); |
|
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1371 MinObjAlignmentInBytes = ObjectAlignmentInBytes; |
|
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1372 assert(MinObjAlignmentInBytes >= HeapWordsPerLong * HeapWordSize, "ObjectAlignmentInBytes value is too small"); |
|
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1373 MinObjAlignment = MinObjAlignmentInBytes / HeapWordSize; |
|
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1374 assert(MinObjAlignmentInBytes == MinObjAlignment * HeapWordSize, "ObjectAlignmentInBytes value is incorrect"); |
|
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1375 MinObjAlignmentInBytesMask = MinObjAlignmentInBytes - 1; |
|
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1376 |
|
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1377 LogMinObjAlignmentInBytes = exact_log2(ObjectAlignmentInBytes); |
|
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1378 LogMinObjAlignment = LogMinObjAlignmentInBytes - LogHeapWordSize; |
|
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1379 |
|
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1380 // Oop encoding heap max |
|
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1381 OopEncodingHeapMax = (uint64_t(max_juint) + 1) << LogMinObjAlignmentInBytes; |
|
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1382 |
|
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|
1383 #if INCLUDE_ALL_GCS |
|
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1384 // Set CMS global values |
|
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|
1385 CompactibleFreeListSpace::set_cms_values(); |
|
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1386 #endif // INCLUDE_ALL_GCS |
|
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1387 } |
|
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1388 |
|
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|
1389 bool verify_object_alignment() { |
|
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1390 // Object alignment. |
|
2d127394260e
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1391 if (!is_power_of_2(ObjectAlignmentInBytes)) { |
|
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1392 jio_fprintf(defaultStream::error_stream(), |
|
1829
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|
1393 "error: ObjectAlignmentInBytes=%d must be power of 2\n", |
|
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|
1394 (int)ObjectAlignmentInBytes); |
|
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1395 return false; |
|
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|
1396 } |
|
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1397 if ((int)ObjectAlignmentInBytes < BytesPerLong) { |
|
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|
1398 jio_fprintf(defaultStream::error_stream(), |
|
1829
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|
1399 "error: ObjectAlignmentInBytes=%d must be greater or equal %d\n", |
|
fe08403130db
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
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1400 (int)ObjectAlignmentInBytes, BytesPerLong); |
|
fe08403130db
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|
1401 return false; |
|
fe08403130db
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|
1402 } |
|
fe08403130db
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|
1403 // It does not make sense to have big object alignment |
|
fe08403130db
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|
1404 // since a space lost due to alignment will be greater |
|
fe08403130db
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changeset
|
1405 // then a saved space from compressed oops. |
|
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|
1406 if ((int)ObjectAlignmentInBytes > 256) { |
|
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|
1407 jio_fprintf(defaultStream::error_stream(), |
|
7461
561148896559
8005076: Creating a CDS archive with one alignment and running another causes a crash.
hseigel
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|
1408 "error: ObjectAlignmentInBytes=%d must not be greater than 256\n", |
|
1829
fe08403130db
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|
1409 (int)ObjectAlignmentInBytes); |
|
fe08403130db
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|
1410 return false; |
|
fe08403130db
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|
1411 } |
|
fe08403130db
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|
1412 // In case page size is very small. |
|
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changeset
|
1413 if ((int)ObjectAlignmentInBytes >= os::vm_page_size()) { |
|
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changeset
|
1414 jio_fprintf(defaultStream::error_stream(), |
|
7461
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diff
changeset
|
1415 "error: ObjectAlignmentInBytes=%d must be less than page size %d\n", |
|
1829
fe08403130db
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|
1416 (int)ObjectAlignmentInBytes, os::vm_page_size()); |
|
1571
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|
1417 return false; |
|
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1418 } |
|
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|
1419 return true; |
|
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|
1420 } |
|
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|
1421 |
|
12233
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|
1422 uintx Arguments::max_heap_for_compressed_oops() { |
| 1963 | 1423 // Avoid sign flip. |
|
12056
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8003424: Enable Class Data Sharing for CompressedOops
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diff
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|
1424 assert(OopEncodingHeapMax > (uint64_t)os::vm_page_size(), "Unusual page size"); |
|
12233
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|
1425 // We need to fit both the NULL page and the heap into the memory budget, while |
|
40136aa2cdb1
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|
1426 // keeping alignment constraints of the heap. To guarantee the latter, as the |
|
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
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|
1427 // NULL page is located before the heap, we pad the NULL page to the conservative |
|
40136aa2cdb1
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|
1428 // maximum alignment that the GC may ever impose upon the heap. |
|
40136aa2cdb1
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|
1429 size_t displacement_due_to_null_page = align_size_up_(os::vm_page_size(), |
|
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
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|
1430 Arguments::conservative_max_heap_alignment()); |
|
40136aa2cdb1
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|
1431 |
|
40136aa2cdb1
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|
1432 LP64_ONLY(return OopEncodingHeapMax - displacement_due_to_null_page); |
| 1064 | 1433 NOT_LP64(ShouldNotReachHere(); return 0); |
|
135
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6689523: max heap calculation for compressed oops is off by MaxPermSize
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|
1434 } |
|
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|
1435 |
| 0 | 1436 bool Arguments::should_auto_select_low_pause_collector() { |
| 1437 if (UseAutoGCSelectPolicy && | |
| 1438 !FLAG_IS_DEFAULT(MaxGCPauseMillis) && | |
| 1439 (MaxGCPauseMillis <= AutoGCSelectPauseMillis)) { | |
| 1440 if (PrintGCDetails) { | |
| 1441 // Cannot use gclog_or_tty yet. | |
| 1442 tty->print_cr("Automatic selection of the low pause collector" | |
| 1443 " based on pause goal of %d (ms)", MaxGCPauseMillis); | |
| 1444 } | |
| 1445 return true; | |
| 1446 } | |
| 1447 return false; | |
| 1448 } | |
| 1449 | |
|
8741
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|
1450 void Arguments::set_use_compressed_oops() { |
|
eac371996b44
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|
1451 #ifndef ZERO |
|
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|
1452 #ifdef _LP64 |
|
eac371996b44
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|
1453 // MaxHeapSize is not set up properly at this point, but |
|
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|
1454 // the only value that can override MaxHeapSize if we are |
|
eac371996b44
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|
1455 // to use UseCompressedOops is InitialHeapSize. |
|
eac371996b44
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|
1456 size_t max_heap_size = MAX2(MaxHeapSize, InitialHeapSize); |
|
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|
1457 |
|
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|
1458 if (max_heap_size <= max_heap_for_compressed_oops()) { |
|
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|
1459 #if !defined(COMPILER1) || defined(TIERED) |
|
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|
1460 if (FLAG_IS_DEFAULT(UseCompressedOops)) { |
|
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|
1461 FLAG_SET_ERGO(bool, UseCompressedOops, true); |
|
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|
1462 } |
|
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|
1463 #endif |
|
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|
1464 #ifdef _WIN64 |
|
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|
1465 if (UseLargePages && UseCompressedOops) { |
|
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|
1466 // Cannot allocate guard pages for implicit checks in indexed addressing |
|
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|
1467 // mode, when large pages are specified on windows. |
|
eac371996b44
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|
1468 // This flag could be switched ON if narrow oop base address is set to 0, |
|
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|
1469 // see code in Universe::initialize_heap(). |
|
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|
1470 Universe::set_narrow_oop_use_implicit_null_checks(false); |
|
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|
1471 } |
|
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|
1472 #endif // _WIN64 |
|
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|
1473 } else { |
|
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|
1474 if (UseCompressedOops && !FLAG_IS_DEFAULT(UseCompressedOops)) { |
|
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|
1475 warning("Max heap size too large for Compressed Oops"); |
|
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1476 FLAG_SET_DEFAULT(UseCompressedOops, false); |
|
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1477 FLAG_SET_DEFAULT(UseCompressedClassPointers, false); |
|
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|
1478 } |
|
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|
1479 } |
|
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|
1480 #endif // _LP64 |
|
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|
1481 #endif // ZERO |
|
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|
1482 } |
|
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|
1483 |
|
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1484 |
|
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|
1485 // NOTE: set_use_compressed_klass_ptrs() must be called after calling |
|
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|
1486 // set_use_compressed_oops(). |
|
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|
1487 void Arguments::set_use_compressed_klass_ptrs() { |
|
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|
1488 #ifndef ZERO |
|
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|
1489 #ifdef _LP64 |
|
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|
1490 // UseCompressedOops must be on for UseCompressedClassPointers to be on. |
|
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|
1491 if (!UseCompressedOops) { |
|
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|
1492 if (UseCompressedClassPointers) { |
|
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|
1493 warning("UseCompressedClassPointers requires UseCompressedOops"); |
|
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|
1494 } |
|
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|
1495 FLAG_SET_DEFAULT(UseCompressedClassPointers, false); |
|
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1496 } else { |
|
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|
1497 // Turn on UseCompressedClassPointers too |
|
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|
1498 if (FLAG_IS_DEFAULT(UseCompressedClassPointers)) { |
|
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|
1499 FLAG_SET_ERGO(bool, UseCompressedClassPointers, true); |
|
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|
1500 } |
|
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|
1501 // Check the CompressedClassSpaceSize to make sure we use compressed klass ptrs. |
|
7944aba7ba41
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|
1502 if (UseCompressedClassPointers) { |
|
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|
1503 if (CompressedClassSpaceSize > KlassEncodingMetaspaceMax) { |
|
7944aba7ba41
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|
1504 warning("CompressedClassSpaceSize is too large for UseCompressedClassPointers"); |
|
7944aba7ba41
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|
1505 FLAG_SET_DEFAULT(UseCompressedClassPointers, false); |
|
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|
1506 } |
|
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|
1507 } |
|
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|
1508 } |
|
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|
1509 #endif // _LP64 |
|
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|
1510 #endif // !ZERO |
|
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|
1511 } |
|
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|
1512 |
|
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|
1513 void Arguments::set_conservative_max_heap_alignment() { |
|
40136aa2cdb1
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|
1514 // The conservative maximum required alignment for the heap is the maximum of |
|
40136aa2cdb1
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|
1515 // the alignments imposed by several sources: any requirements from the heap |
|
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|
1516 // itself, the collector policy and the maximum page size we may run the VM |
|
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|
1517 // with. |
|
40136aa2cdb1
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|
1518 size_t heap_alignment = GenCollectedHeap::conservative_max_heap_alignment(); |
|
40136aa2cdb1
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|
1519 #if INCLUDE_ALL_GCS |
|
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|
1520 if (UseParallelGC) { |
|
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|
1521 heap_alignment = ParallelScavengeHeap::conservative_max_heap_alignment(); |
|
40136aa2cdb1
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|
1522 } else if (UseG1GC) { |
|
40136aa2cdb1
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|
1523 heap_alignment = G1CollectedHeap::conservative_max_heap_alignment(); |
|
40136aa2cdb1
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|
1524 } |
|
40136aa2cdb1
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|
1525 #endif // INCLUDE_ALL_GCS |
|
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|
1526 _conservative_max_heap_alignment = MAX3(heap_alignment, os::max_page_size(), |
|
40136aa2cdb1
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|
1527 CollectorPolicy::compute_max_alignment()); |
|
40136aa2cdb1
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|
1528 } |
|
40136aa2cdb1
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|
1529 |
| 0 | 1530 void Arguments::set_ergonomics_flags() { |
| 1531 | |
| 4946 | 1532 if (os::is_server_class_machine()) { |
| 0 | 1533 // If no other collector is requested explicitly, |
| 1534 // let the VM select the collector based on | |
| 1535 // machine class and automatic selection policy. | |
| 1536 if (!UseSerialGC && | |
| 1537 !UseConcMarkSweepGC && | |
|
342
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|
1538 !UseG1GC && |
| 0 | 1539 !UseParNewGC && |
| 1540 FLAG_IS_DEFAULT(UseParallelGC)) { | |
| 1541 if (should_auto_select_low_pause_collector()) { | |
| 1542 FLAG_SET_ERGO(bool, UseConcMarkSweepGC, true); | |
| 1543 } else { | |
| 1544 FLAG_SET_ERGO(bool, UseParallelGC, true); | |
| 1545 } | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
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6628
diff
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|
1546 } |
| 0 | 1547 } |
| 12355 | 1548 #if defined(COMPILER2) || defined(GRAAL) |
|
12280
9ed97b511b26
8024517: runtime/CDSCompressedKPtrs/XShareAuto.java failed with RuntimeException
hseigel
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12276
diff
changeset
|
1549 // Shared spaces work fine with other GCs but causes bytecode rewriting |
|
9ed97b511b26
8024517: runtime/CDSCompressedKPtrs/XShareAuto.java failed with RuntimeException
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diff
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|
1550 // to be disabled, which hurts interpreter performance and decreases |
|
9ed97b511b26
8024517: runtime/CDSCompressedKPtrs/XShareAuto.java failed with RuntimeException
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changeset
|
1551 // server performance. When -server is specified, keep the default off |
|
9ed97b511b26
8024517: runtime/CDSCompressedKPtrs/XShareAuto.java failed with RuntimeException
hseigel
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diff
changeset
|
1552 // unless it is asked for. Future work: either add bytecode rewriting |
|
9ed97b511b26
8024517: runtime/CDSCompressedKPtrs/XShareAuto.java failed with RuntimeException
hseigel
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diff
changeset
|
1553 // at link time, or rewrite bytecodes in non-shared methods. |
|
9ed97b511b26
8024517: runtime/CDSCompressedKPtrs/XShareAuto.java failed with RuntimeException
hseigel
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diff
changeset
|
1554 if (!DumpSharedSpaces && !RequireSharedSpaces && |
|
9ed97b511b26
8024517: runtime/CDSCompressedKPtrs/XShareAuto.java failed with RuntimeException
hseigel
parents:
12276
diff
changeset
|
1555 (FLAG_IS_DEFAULT(UseSharedSpaces) || !UseSharedSpaces)) { |
|
9ed97b511b26
8024517: runtime/CDSCompressedKPtrs/XShareAuto.java failed with RuntimeException
hseigel
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changeset
|
1556 no_shared_spaces(); |
|
9ed97b511b26
8024517: runtime/CDSCompressedKPtrs/XShareAuto.java failed with RuntimeException
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12276
diff
changeset
|
1557 } |
|
9ed97b511b26
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changeset
|
1558 #endif |
|
113
ba764ed4b6f2
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diff
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|
1559 |
|
12233
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|
1560 set_conservative_max_heap_alignment(); |
|
40136aa2cdb1
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|
1561 |
| 1010 | 1562 #ifndef ZERO |
|
113
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|
1563 #ifdef _LP64 |
|
8741
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|
1564 set_use_compressed_oops(); |
|
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|
1565 |
|
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|
1566 // set_use_compressed_klass_ptrs() must be called after calling |
|
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changeset
|
1567 // set_use_compressed_oops(). |
|
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|
1568 set_use_compressed_klass_ptrs(); |
|
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|
1569 |
|
113
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|
1570 // Also checks that certain machines are slower with compressed oops |
|
ba764ed4b6f2
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|
1571 // in vm_version initialization code. |
|
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|
1572 #endif // _LP64 |
| 1010 | 1573 #endif // !ZERO |
| 0 | 1574 } |
| 1575 | |
| 1576 void Arguments::set_parallel_gc_flags() { | |
|
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changeset
|
1577 assert(UseParallelGC || UseParallelOldGC, "Error"); |
| 4879 | 1578 // Enable ParallelOld unless it was explicitly disabled (cmd line or rc file). |
| 1579 if (FLAG_IS_DEFAULT(UseParallelOldGC)) { | |
| 1580 FLAG_SET_DEFAULT(UseParallelOldGC, true); | |
| 0 | 1581 } |
| 4879 | 1582 FLAG_SET_DEFAULT(UseParallelGC, true); |
| 0 | 1583 |
| 1584 // If no heap maximum was requested explicitly, use some reasonable fraction | |
| 1585 // of the physical memory, up to a maximum of 1GB. | |
|
7471
4c8bf5e55392
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|
1586 FLAG_SET_DEFAULT(ParallelGCThreads, |
|
4c8bf5e55392
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changeset
|
1587 Abstract_VM_Version::parallel_worker_threads()); |
|
4c8bf5e55392
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|
1588 if (ParallelGCThreads == 0) { |
|
4c8bf5e55392
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7453
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changeset
|
1589 jio_fprintf(defaultStream::error_stream(), |
|
4c8bf5e55392
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7453
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changeset
|
1590 "The Parallel GC can not be combined with -XX:ParallelGCThreads=0\n"); |
|
4c8bf5e55392
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changeset
|
1591 vm_exit(1); |
|
4c8bf5e55392
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|
1592 } |
|
4c8bf5e55392
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|
1593 |
|
4c8bf5e55392
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changeset
|
1594 |
|
4c8bf5e55392
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7453
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changeset
|
1595 // If InitialSurvivorRatio or MinSurvivorRatio were not specified, but the |
|
4c8bf5e55392
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|
1596 // SurvivorRatio has been set, reset their default values to SurvivorRatio + |
|
4c8bf5e55392
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7453
diff
changeset
|
1597 // 2. By doing this we make SurvivorRatio also work for Parallel Scavenger. |
|
4c8bf5e55392
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|
1598 // See CR 6362902 for details. |
|
4c8bf5e55392
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changeset
|
1599 if (!FLAG_IS_DEFAULT(SurvivorRatio)) { |
|
4c8bf5e55392
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|
1600 if (FLAG_IS_DEFAULT(InitialSurvivorRatio)) { |
|
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|
1601 FLAG_SET_DEFAULT(InitialSurvivorRatio, SurvivorRatio + 2); |
| 0 | 1602 } |
|
7471
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
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|
1603 if (FLAG_IS_DEFAULT(MinSurvivorRatio)) { |
|
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
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7453
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|
1604 FLAG_SET_DEFAULT(MinSurvivorRatio, SurvivorRatio + 2); |
|
4c8bf5e55392
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|
1605 } |
|
4c8bf5e55392
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|
1606 } |
|
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
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|
1607 |
|
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
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|
1608 if (UseParallelOldGC) { |
|
4c8bf5e55392
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7453
diff
changeset
|
1609 // Par compact uses lower default values since they are treated as |
|
4c8bf5e55392
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7453
diff
changeset
|
1610 // minimums. These are different defaults because of the different |
|
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
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diff
changeset
|
1611 // interpretation and are not ergonomically set. |
|
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
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diff
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|
1612 if (FLAG_IS_DEFAULT(MarkSweepDeadRatio)) { |
|
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
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7453
diff
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|
1613 FLAG_SET_DEFAULT(MarkSweepDeadRatio, 1); |
| 0 | 1614 } |
| 1615 } | |
| 1616 } | |
| 1617 | |
|
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1618 void Arguments::set_g1_gc_flags() { |
|
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|
1619 assert(UseG1GC, "Error"); |
|
7125
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|
1620 #if defined(COMPILER1) || defined(GRAAL) |
|
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|
1621 FastTLABRefill = false; |
|
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|
1622 #endif |
|
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|
1623 FLAG_SET_DEFAULT(ParallelGCThreads, |
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|
1624 Abstract_VM_Version::parallel_worker_threads()); |
|
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|
1625 if (ParallelGCThreads == 0) { |
|
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|
1626 FLAG_SET_DEFAULT(ParallelGCThreads, |
| 751 | 1627 Abstract_VM_Version::parallel_worker_threads()); |
|
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|
1628 } |
| 751 | 1629 |
|
7397
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|
1630 // MarkStackSize will be set (if it hasn't been set by the user) |
|
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|
1631 // when concurrent marking is initialized. |
|
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|
1632 // Its value will be based upon the number of parallel marking threads. |
|
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|
1633 // But we do set the maximum mark stack size here. |
|
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|
1634 if (FLAG_IS_DEFAULT(MarkStackSizeMax)) { |
|
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|
1635 FLAG_SET_DEFAULT(MarkStackSizeMax, 128 * TASKQUEUE_SIZE); |
| 1284 | 1636 } |
| 1356 | 1637 |
| 1638 if (FLAG_IS_DEFAULT(GCTimeRatio) || GCTimeRatio == 0) { | |
| 1639 // In G1, we want the default GC overhead goal to be higher than | |
| 1640 // say in PS. So we set it here to 10%. Otherwise the heap might | |
| 1641 // be expanded more aggressively than we would like it to. In | |
| 1642 // fact, even 10% seems to not be high enough in some cases | |
| 1643 // (especially small GC stress tests that the main thing they do | |
| 1644 // is allocation). We might consider increase it further. | |
| 1645 FLAG_SET_DEFAULT(GCTimeRatio, 9); | |
| 1646 } | |
|
7397
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|
1647 |
|
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|
1648 if (PrintGCDetails && Verbose) { |
|
442f942757c0
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|
1649 tty->print_cr("MarkStackSize: %uk MarkStackSizeMax: %uk", |
|
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|
1650 MarkStackSize / K, MarkStackSizeMax / K); |
|
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|
1651 tty->print_cr("ConcGCThreads: %u", ConcGCThreads); |
|
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|
1652 } |
|
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|
1653 } |
|
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|
1654 |
|
8854
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|
1655 julong Arguments::limit_by_allocatable_memory(julong limit) { |
|
754c24457b20
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tschatzl
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|
1656 julong max_allocatable; |
|
754c24457b20
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|
1657 julong result = limit; |
|
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|
1658 if (os::has_allocatable_memory_limit(&max_allocatable)) { |
|
754c24457b20
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|
1659 result = MIN2(result, max_allocatable / MaxVirtMemFraction); |
|
754c24457b20
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tschatzl
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|
1660 } |
|
754c24457b20
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tschatzl
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diff
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|
1661 return result; |
|
754c24457b20
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tschatzl
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diff
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|
1662 } |
|
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|
1663 |
| 1064 | 1664 void Arguments::set_heap_size() { |
| 1665 if (!FLAG_IS_DEFAULT(DefaultMaxRAMFraction)) { | |
| 1666 // Deprecated flag | |
| 1667 FLAG_SET_CMDLINE(uintx, MaxRAMFraction, DefaultMaxRAMFraction); | |
| 1668 } | |
| 1669 | |
| 1670 const julong phys_mem = | |
| 1671 FLAG_IS_DEFAULT(MaxRAM) ? MIN2(os::physical_memory(), (julong)MaxRAM) | |
| 1672 : (julong)MaxRAM; | |
| 1673 | |
| 1674 // If the maximum heap size has not been set with -Xmx, | |
| 1675 // then set it as fraction of the size of physical memory, | |
| 1676 // respecting the maximum and minimum sizes of the heap. | |
|
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|
1677 if (FLAG_IS_DEFAULT(MaxHeapSize)) { |
| 1064 | 1678 julong reasonable_max = phys_mem / MaxRAMFraction; |
| 1679 | |
| 1680 if (phys_mem <= MaxHeapSize * MinRAMFraction) { | |
| 1681 // Small physical memory, so use a minimum fraction of it for the heap | |
| 1682 reasonable_max = phys_mem / MinRAMFraction; | |
| 1683 } else { | |
| 1684 // Not-small physical memory, so require a heap at least | |
| 1685 // as large as MaxHeapSize | |
| 1686 reasonable_max = MAX2(reasonable_max, (julong)MaxHeapSize); | |
| 1687 } | |
| 1688 if (!FLAG_IS_DEFAULT(ErgoHeapSizeLimit) && ErgoHeapSizeLimit != 0) { | |
| 1689 // Limit the heap size to ErgoHeapSizeLimit | |
| 1690 reasonable_max = MIN2(reasonable_max, (julong)ErgoHeapSizeLimit); | |
|
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|
1691 } |
| 1064 | 1692 if (UseCompressedOops) { |
| 1693 // Limit the heap size to the maximum possible when using compressed oops | |
| 1963 | 1694 julong max_coop_heap = (julong)max_heap_for_compressed_oops(); |
| 1695 if (HeapBaseMinAddress + MaxHeapSize < max_coop_heap) { | |
| 1696 // Heap should be above HeapBaseMinAddress to get zero based compressed oops | |
| 1697 // but it should be not less than default MaxHeapSize. | |
| 1698 max_coop_heap -= HeapBaseMinAddress; | |
| 1699 } | |
| 1700 reasonable_max = MIN2(reasonable_max, max_coop_heap); | |
| 1064 | 1701 } |
|
8854
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|
1702 reasonable_max = limit_by_allocatable_memory(reasonable_max); |
| 1064 | 1703 |
| 1704 if (!FLAG_IS_DEFAULT(InitialHeapSize)) { | |
| 1705 // An initial heap size was specified on the command line, | |
| 1706 // so be sure that the maximum size is consistent. Done | |
|
8854
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|
1707 // after call to limit_by_allocatable_memory because that |
| 1064 | 1708 // method might reduce the allocation size. |
| 1709 reasonable_max = MAX2(reasonable_max, (julong)InitialHeapSize); | |
| 1710 } | |
| 1711 | |
|
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|
1712 if (PrintGCDetails && Verbose) { |
|
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|
1713 // Cannot use gclog_or_tty yet. |
| 1064 | 1714 tty->print_cr(" Maximum heap size " SIZE_FORMAT, reasonable_max); |
|
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|
1715 } |
| 1064 | 1716 FLAG_SET_ERGO(uintx, MaxHeapSize, (uintx)reasonable_max); |
| 1717 } | |
| 1718 | |
|
10241
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diff
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|
1719 // If the minimum or initial heap_size have not been set or requested to be set |
|
d17700c82d7d
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|
1720 // ergonomically, set them accordingly. |
|
d17700c82d7d
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|
1721 if (InitialHeapSize == 0 || min_heap_size() == 0) { |
|
1074
84cb6f20afb3
6900899: vm fails to start when -Xmx value is less than OldSize + NewSize
phh
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diff
changeset
|
1722 julong reasonable_minimum = (julong)(OldSize + NewSize); |
|
84cb6f20afb3
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phh
parents:
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diff
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|
1723 |
|
84cb6f20afb3
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diff
changeset
|
1724 reasonable_minimum = MIN2(reasonable_minimum, (julong)MaxHeapSize); |
|
84cb6f20afb3
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|
1725 |
|
8854
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|
1726 reasonable_minimum = limit_by_allocatable_memory(reasonable_minimum); |
|
1074
84cb6f20afb3
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diff
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|
1727 |
|
10241
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|
1728 if (InitialHeapSize == 0) { |
|
d17700c82d7d
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|
1729 julong reasonable_initial = phys_mem / InitialRAMFraction; |
|
d17700c82d7d
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|
1730 |
|
d17700c82d7d
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|
1731 reasonable_initial = MAX3(reasonable_initial, reasonable_minimum, (julong)min_heap_size()); |
|
d17700c82d7d
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|
1732 reasonable_initial = MIN2(reasonable_initial, (julong)MaxHeapSize); |
|
d17700c82d7d
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|
1733 |
|
d17700c82d7d
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|
1734 reasonable_initial = limit_by_allocatable_memory(reasonable_initial); |
|
d17700c82d7d
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|
1735 |
|
d17700c82d7d
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|
1736 if (PrintGCDetails && Verbose) { |
|
d17700c82d7d
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|
1737 // Cannot use gclog_or_tty yet. |
|
d17700c82d7d
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diff
changeset
|
1738 tty->print_cr(" Initial heap size " SIZE_FORMAT, (uintx)reasonable_initial); |
|
d17700c82d7d
8006088: Incompatible heap size flags accepted by VM
tschatzl
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diff
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|
1739 } |
|
d17700c82d7d
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|
1740 FLAG_SET_ERGO(uintx, InitialHeapSize, (uintx)reasonable_initial); |
|
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|
1741 } |
|
10241
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|
1742 // If the minimum heap size has not been set (via -Xms), |
|
d17700c82d7d
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diff
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|
1743 // synchronize with InitialHeapSize to avoid errors with the default value. |
|
d17700c82d7d
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|
1744 if (min_heap_size() == 0) { |
|
d17700c82d7d
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|
1745 set_min_heap_size(MIN2((uintx)reasonable_minimum, InitialHeapSize)); |
|
d17700c82d7d
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changeset
|
1746 if (PrintGCDetails && Verbose) { |
|
d17700c82d7d
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tschatzl
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diff
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|
1747 // Cannot use gclog_or_tty yet. |
|
d17700c82d7d
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tschatzl
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diff
changeset
|
1748 tty->print_cr(" Minimum heap size " SIZE_FORMAT, min_heap_size()); |
|
d17700c82d7d
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tschatzl
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diff
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|
1749 } |
|
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|
1750 } |
|
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|
1751 } |
|
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|
1752 } |
|
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|
1753 |
| 0 | 1754 // This must be called after ergonomics because we want bytecode rewriting |
| 1755 // if the server compiler is used, or if UseSharedSpaces is disabled. | |
| 1756 void Arguments::set_bytecode_flags() { | |
| 1757 // Better not attempt to store into a read-only space. | |
| 1758 if (UseSharedSpaces) { | |
| 1759 FLAG_SET_DEFAULT(RewriteBytecodes, false); | |
| 1760 FLAG_SET_DEFAULT(RewriteFrequentPairs, false); | |
| 1761 } | |
| 1762 | |
| 1763 if (!RewriteBytecodes) { | |
| 1764 FLAG_SET_DEFAULT(RewriteFrequentPairs, false); | |
| 1765 } | |
| 1766 } | |
| 1767 | |
| 1768 // Aggressive optimization flags -XX:+AggressiveOpts | |
| 1769 void Arguments::set_aggressive_opts_flags() { | |
|
17
ff5961f4c095
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
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parents:
0
diff
changeset
|
1770 #ifdef COMPILER2 |
| 10278 | 1771 if (AggressiveUnboxing) { |
| 1772 if (FLAG_IS_DEFAULT(EliminateAutoBox)) { | |
| 1773 FLAG_SET_DEFAULT(EliminateAutoBox, true); | |
| 1774 } else if (!EliminateAutoBox) { | |
| 1775 // warning("AggressiveUnboxing is disabled because EliminateAutoBox is disabled"); | |
| 1776 AggressiveUnboxing = false; | |
| 1777 } | |
| 1778 if (FLAG_IS_DEFAULT(DoEscapeAnalysis)) { | |
| 1779 FLAG_SET_DEFAULT(DoEscapeAnalysis, true); | |
| 1780 } else if (!DoEscapeAnalysis) { | |
| 1781 // warning("AggressiveUnboxing is disabled because DoEscapeAnalysis is disabled"); | |
| 1782 AggressiveUnboxing = false; | |
| 1783 } | |
| 1784 } | |
|
17
ff5961f4c095
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0
diff
changeset
|
1785 if (AggressiveOpts || !FLAG_IS_DEFAULT(AutoBoxCacheMax)) { |
|
ff5961f4c095
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
never
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0
diff
changeset
|
1786 if (FLAG_IS_DEFAULT(EliminateAutoBox)) { |
|
ff5961f4c095
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
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parents:
0
diff
changeset
|
1787 FLAG_SET_DEFAULT(EliminateAutoBox, true); |
|
ff5961f4c095
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
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0
diff
changeset
|
1788 } |
|
ff5961f4c095
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
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0
diff
changeset
|
1789 if (FLAG_IS_DEFAULT(AutoBoxCacheMax)) { |
|
ff5961f4c095
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
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parents:
0
diff
changeset
|
1790 FLAG_SET_DEFAULT(AutoBoxCacheMax, 20000); |
|
ff5961f4c095
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
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0
diff
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|
1791 } |
|
ff5961f4c095
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
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0
diff
changeset
|
1792 |
|
ff5961f4c095
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
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parents:
0
diff
changeset
|
1793 // Feed the cache size setting into the JDK |
|
ff5961f4c095
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
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parents:
0
diff
changeset
|
1794 char buffer[1024]; |
|
513
2328d1d3f8cf
6781583: Hotspot build fails on linux 64 bit platform with gcc 4.3.2
xlu
parents:
489
diff
changeset
|
1795 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)
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0
diff
changeset
|
1796 add_property(buffer); |
|
ff5961f4c095
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
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0
diff
changeset
|
1797 } |
|
416
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6649622: HotSpot Biased locking needs tuning on latest CPUs
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diff
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|
1798 if (AggressiveOpts && FLAG_IS_DEFAULT(BiasedLockingStartupDelay)) { |
|
b6cfd754403d
6649622: HotSpot Biased locking needs tuning on latest CPUs
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parents:
363
diff
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|
1799 FLAG_SET_DEFAULT(BiasedLockingStartupDelay, 500); |
|
b6cfd754403d
6649622: HotSpot Biased locking needs tuning on latest CPUs
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|
1800 } |
|
17
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diff
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|
1801 #endif |
|
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1802 |
| 0 | 1803 if (AggressiveOpts) { |
| 61 | 1804 // Sample flag setting code |
| 1805 // if (FLAG_IS_DEFAULT(EliminateZeroing)) { | |
| 1806 // FLAG_SET_DEFAULT(EliminateZeroing, true); | |
| 1807 // } | |
| 0 | 1808 } |
| 1809 } | |
| 1810 | |
| 1811 //=========================================================================================================== | |
| 1812 // Parsing of java.compiler property | |
| 1813 | |
| 1814 void Arguments::process_java_compiler_argument(char* arg) { | |
| 1815 // For backwards compatibility, Djava.compiler=NONE or "" | |
| 1816 // causes us to switch to -Xint mode UNLESS -Xdebug | |
| 1817 // is also specified. | |
| 1818 if (strlen(arg) == 0 || strcasecmp(arg, "NONE") == 0) { | |
| 1819 set_java_compiler(true); // "-Djava.compiler[=...]" most recently seen. | |
| 1820 } | |
| 1821 } | |
| 1822 | |
| 1823 void Arguments::process_java_launcher_argument(const char* launcher, void* extra_info) { | |
| 1824 _sun_java_launcher = strdup(launcher); | |
|
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1825 if (strcmp("gamma", _sun_java_launcher) == 0) { |
|
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1826 _created_by_gamma_launcher = true; |
|
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1827 } |
| 0 | 1828 } |
| 1829 | |
| 1830 bool Arguments::created_by_java_launcher() { | |
| 1831 assert(_sun_java_launcher != NULL, "property must have value"); | |
| 1832 return strcmp(DEFAULT_JAVA_LAUNCHER, _sun_java_launcher) != 0; | |
| 1833 } | |
| 1834 | |
|
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1835 bool Arguments::created_by_gamma_launcher() { |
|
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1836 return _created_by_gamma_launcher; |
|
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1837 } |
|
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1838 |
| 0 | 1839 //=========================================================================================================== |
| 1840 // Parsing of main arguments | |
| 1841 | |
|
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1842 bool Arguments::verify_interval(uintx val, uintx min, |
|
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1843 uintx max, const char* name) { |
|
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1844 // Returns true iff value is in the inclusive interval [min..max] |
|
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1845 // false, otherwise. |
|
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1846 if (val >= min && val <= max) { |
|
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1847 return true; |
|
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1848 } |
|
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1849 jio_fprintf(defaultStream::error_stream(), |
|
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1850 "%s of " UINTX_FORMAT " is invalid; must be between " UINTX_FORMAT |
|
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1851 " and " UINTX_FORMAT "\n", |
|
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1852 name, val, min, max); |
|
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1853 return false; |
|
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1854 } |
|
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1855 |
|
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1856 bool Arguments::verify_min_value(intx val, intx min, const char* name) { |
|
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1857 // Returns true if given value is at least specified min threshold |
|
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1858 // false, otherwise. |
|
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1859 if (val >= min ) { |
|
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1860 return true; |
|
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1861 } |
|
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1862 jio_fprintf(defaultStream::error_stream(), |
|
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1863 "%s of " INTX_FORMAT " is invalid; must be at least " INTX_FORMAT "\n", |
|
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1864 name, val, min); |
|
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1865 return false; |
|
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1866 } |
|
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1867 |
| 0 | 1868 bool Arguments::verify_percentage(uintx value, const char* name) { |
| 1869 if (value <= 100) { | |
| 1870 return true; | |
| 1871 } | |
| 1872 jio_fprintf(defaultStream::error_stream(), | |
| 1873 "%s of " UINTX_FORMAT " is invalid; must be between 0 and 100\n", | |
| 1874 name, value); | |
| 1875 return false; | |
| 1876 } | |
| 1877 | |
|
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1878 #if !INCLUDE_ALL_GCS |
|
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1879 #ifdef ASSERT |
| 0 | 1880 static bool verify_serial_gc_flags() { |
| 1881 return (UseSerialGC && | |
|
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1882 !(UseParNewGC || (UseConcMarkSweepGC || CMSIncrementalMode) || UseG1GC || |
|
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1883 UseParallelGC || UseParallelOldGC)); |
| 0 | 1884 } |
|
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1885 #endif // ASSERT |
|
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1886 #endif // INCLUDE_ALL_GCS |
| 0 | 1887 |
|
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1888 // check if do gclog rotation |
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1889 // +UseGCLogFileRotation is a must, |
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1890 // no gc log rotation when log file not supplied or |
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1891 // NumberOfGCLogFiles is 0, or GCLogFileSize is 0 |
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1892 void check_gclog_consistency() { |
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1893 if (UseGCLogFileRotation) { |
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1894 if ((Arguments::gc_log_filename() == NULL) || |
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1895 (NumberOfGCLogFiles == 0) || |
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1896 (GCLogFileSize == 0)) { |
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1897 jio_fprintf(defaultStream::output_stream(), |
| 12215 | 1898 "To enable GC log rotation, use -Xloggc:<filename> -XX:+UseGCLogFileRotation -XX:NumberOfGCLogFiles=<num_of_files> -XX:GCLogFileSize=<num_of_size>[k|K|m|M|g|G]\n" |
|
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1899 "where num_of_file > 0 and num_of_size > 0\n" |
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1900 "GC log rotation is turned off\n"); |
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1901 UseGCLogFileRotation = false; |
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1902 } |
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1903 } |
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1904 |
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1905 if (UseGCLogFileRotation && GCLogFileSize < 8*K) { |
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1906 FLAG_SET_CMDLINE(uintx, GCLogFileSize, 8*K); |
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1907 jio_fprintf(defaultStream::output_stream(), |
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1908 "GCLogFileSize changed to minimum 8K\n"); |
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1909 } |
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1910 } |
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1911 |
| 12215 | 1912 // This function is called for -Xloggc:<filename>, it can be used |
| 1913 // to check if a given file name(or string) conforms to the following | |
| 1914 // specification: | |
| 1915 // A valid string only contains "[A-Z][a-z][0-9].-_%[p|t]" | |
| 1916 // %p and %t only allowed once. We only limit usage of filename not path | |
| 1917 bool is_filename_valid(const char *file_name) { | |
| 1918 const char* p = file_name; | |
| 1919 char file_sep = os::file_separator()[0]; | |
| 1920 const char* cp; | |
| 1921 // skip prefix path | |
| 1922 for (cp = file_name; *cp != '\0'; cp++) { | |
| 1923 if (*cp == '/' || *cp == file_sep) { | |
| 1924 p = cp + 1; | |
| 1925 } | |
| 1926 } | |
| 1927 | |
| 1928 int count_p = 0; | |
| 1929 int count_t = 0; | |
| 1930 while (*p != '\0') { | |
| 1931 if ((*p >= '0' && *p <= '9') || | |
| 1932 (*p >= 'A' && *p <= 'Z') || | |
| 1933 (*p >= 'a' && *p <= 'z') || | |
| 1934 *p == '-' || | |
| 1935 *p == '_' || | |
| 1936 *p == '.') { | |
| 1937 p++; | |
| 1938 continue; | |
| 1939 } | |
| 1940 if (*p == '%') { | |
| 1941 if(*(p + 1) == 'p') { | |
| 1942 p += 2; | |
| 1943 count_p ++; | |
| 1944 continue; | |
| 1945 } | |
| 1946 if (*(p + 1) == 't') { | |
| 1947 p += 2; | |
| 1948 count_t ++; | |
| 1949 continue; | |
| 1950 } | |
| 1951 } | |
| 1952 return false; | |
| 1953 } | |
| 1954 return count_p < 2 && count_t < 2; | |
| 1955 } | |
| 1956 | |
|
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1957 // Check consistency of GC selection |
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1958 bool Arguments::check_gc_consistency() { |
|
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1959 check_gclog_consistency(); |
|
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1960 bool status = true; |
|
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1961 // Ensure that the user has not selected conflicting sets |
|
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1962 // of collectors. [Note: this check is merely a user convenience; |
|
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1963 // collectors over-ride each other so that only a non-conflicting |
|
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1964 // set is selected; however what the user gets is not what they |
|
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1965 // may have expected from the combination they asked for. It's |
|
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1966 // better to reduce user confusion by not allowing them to |
|
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|
1967 // select conflicting combinations. |
|
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|
1968 uint i = 0; |
|
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|
1969 if (UseSerialGC) i++; |
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1970 if (UseConcMarkSweepGC || UseParNewGC) i++; |
|
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1971 if (UseParallelGC || UseParallelOldGC) i++; |
|
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1972 if (UseG1GC) i++; |
|
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1973 if (i > 1) { |
|
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1974 jio_fprintf(defaultStream::error_stream(), |
|
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1975 "Conflicting collector combinations in option list; " |
|
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1976 "please refer to the release notes for the combinations " |
|
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1977 "allowed\n"); |
|
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1978 status = false; |
|
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1979 } else if (ReservedCodeCacheSize > 2*G) { |
|
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1980 // Code cache size larger than MAXINT is not supported. |
|
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1981 jio_fprintf(defaultStream::error_stream(), |
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1982 "Invalid ReservedCodeCacheSize=%dM. Must be at most %uM.\n", ReservedCodeCacheSize/M, |
|
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1983 (2*G)/M); |
|
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1984 status = false; |
|
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1985 } |
|
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1986 return status; |
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|
1987 } |
|
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|
1988 |
|
7452
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1989 void Arguments::check_deprecated_gcs() { |
|
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1990 if (UseConcMarkSweepGC && !UseParNewGC) { |
|
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1991 warning("Using the DefNew young collector with the CMS collector is deprecated " |
|
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1992 "and will likely be removed in a future release"); |
|
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1993 } |
|
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|
1994 |
|
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1995 if (UseParNewGC && !UseConcMarkSweepGC) { |
|
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1996 // !UseConcMarkSweepGC means that we are using serial old gc. Unfortunately we don't |
|
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1997 // set up UseSerialGC properly, so that can't be used in the check here. |
|
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1998 warning("Using the ParNew young collector with the Serial old collector is deprecated " |
|
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1999 "and will likely be removed in a future release"); |
|
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|
2000 } |
| 7453 | 2001 |
| 2002 if (CMSIncrementalMode) { | |
| 2003 warning("Using incremental CMS is deprecated and will likely be removed in a future release"); | |
| 2004 } | |
|
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2005 } |
|
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|
2006 |
| 8734 | 2007 void Arguments::check_deprecated_gc_flags() { |
| 2008 if (FLAG_IS_CMDLINE(MaxGCMinorPauseMillis)) { | |
| 2009 warning("Using MaxGCMinorPauseMillis as minor pause goal is deprecated" | |
| 2010 "and will likely be removed in future release"); | |
| 2011 } | |
| 11977 | 2012 if (FLAG_IS_CMDLINE(DefaultMaxRAMFraction)) { |
| 2013 warning("DefaultMaxRAMFraction is deprecated and will likely be removed in a future release. " | |
| 2014 "Use MaxRAMFraction instead."); | |
| 2015 } | |
| 8734 | 2016 } |
| 2017 | |
|
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|
2018 // Check stack pages settings |
|
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|
2019 bool Arguments::check_stack_pages() |
|
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2020 { |
|
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2021 bool status = true; |
|
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2022 status = status && verify_min_value(StackYellowPages, 1, "StackYellowPages"); |
|
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|
2023 status = status && verify_min_value(StackRedPages, 1, "StackRedPages"); |
|
1867
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|
2024 // greater stack shadow pages can't generate instruction to bang stack |
|
b6aedd1acdc0
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|
2025 status = status && verify_interval(StackShadowPages, 1, 50, "StackShadowPages"); |
|
1744
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|
2026 return status; |
|
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|
2027 } |
|
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|
2028 |
| 0 | 2029 // Check the consistency of vm_init_args |
| 2030 bool Arguments::check_vm_args_consistency() { | |
| 2031 // Method for adding checks for flag consistency. | |
| 2032 // The intent is to warn the user of all possible conflicts, | |
| 2033 // before returning an error. | |
| 2034 // Note: Needs platform-dependent factoring. | |
| 2035 bool status = true; | |
| 2036 | |
| 2037 // Allow both -XX:-UseStackBanging and -XX:-UseBoundThreads in non-product | |
| 2038 // builds so the cost of stack banging can be measured. | |
| 2039 #if (defined(PRODUCT) && defined(SOLARIS)) | |
| 2040 if (!UseBoundThreads && !UseStackBanging) { | |
| 2041 jio_fprintf(defaultStream::error_stream(), | |
| 2042 "-UseStackBanging conflicts with -UseBoundThreads\n"); | |
| 2043 | |
| 2044 status = false; | |
| 2045 } | |
| 2046 #endif | |
| 2047 | |
| 2048 if (TLABRefillWasteFraction == 0) { | |
| 2049 jio_fprintf(defaultStream::error_stream(), | |
| 2050 "TLABRefillWasteFraction should be a denominator, " | |
| 2051 "not " SIZE_FORMAT "\n", | |
| 2052 TLABRefillWasteFraction); | |
| 2053 status = false; | |
| 2054 } | |
| 2055 | |
|
10287
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|
2056 status = status && verify_interval(AdaptiveSizePolicyWeight, 0, 100, |
| 0 | 2057 "AdaptiveSizePolicyWeight"); |
|
10
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|
2058 status = status && verify_percentage(ThresholdTolerance, "ThresholdTolerance"); |
|
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changeset
|
2059 status = status && verify_percentage(MinHeapFreeRatio, "MinHeapFreeRatio"); |
|
28372612af5e
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diff
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|
2060 status = status && verify_percentage(MaxHeapFreeRatio, "MaxHeapFreeRatio"); |
| 0 | 2061 |
|
6982
e4f764ddb06a
7122219: Passed StringTableSize value not verified
hseigel
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6928
diff
changeset
|
2062 // Divide by bucket size to prevent a large size from causing rollover when |
|
e4f764ddb06a
7122219: Passed StringTableSize value not verified
hseigel
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diff
changeset
|
2063 // calculating amount of memory needed to be allocated for the String table. |
|
10126
63e31ce40bdb
8009928: PSR:PERF Increase default string table size
hseigel
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9077
diff
changeset
|
2064 status = status && verify_interval(StringTableSize, minimumStringTableSize, |
|
6982
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changeset
|
2065 (max_uintx / StringTable::bucket_size()), "StringTable size"); |
|
e4f764ddb06a
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|
2066 |
| 0 | 2067 if (MinHeapFreeRatio > MaxHeapFreeRatio) { |
| 2068 jio_fprintf(defaultStream::error_stream(), | |
| 2069 "MinHeapFreeRatio (" UINTX_FORMAT ") must be less than or " | |
| 2070 "equal to MaxHeapFreeRatio (" UINTX_FORMAT ")\n", | |
| 2071 MinHeapFreeRatio, MaxHeapFreeRatio); | |
| 2072 status = false; | |
| 2073 } | |
| 2074 // Keeping the heap 100% free is hard ;-) so limit it to 99%. | |
| 2075 MinHeapFreeRatio = MIN2(MinHeapFreeRatio, (uintx) 99); | |
| 2076 | |
|
8040
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|
2077 // Min/MaxMetaspaceFreeRatio |
|
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
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8037
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|
2078 status = status && verify_percentage(MinMetaspaceFreeRatio, "MinMetaspaceFreeRatio"); |
|
a83cd101fd62
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|
2079 status = status && verify_percentage(MaxMetaspaceFreeRatio, "MaxMetaspaceFreeRatio"); |
|
a83cd101fd62
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|
2080 |
|
a83cd101fd62
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jmasa
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diff
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|
2081 if (MinMetaspaceFreeRatio > MaxMetaspaceFreeRatio) { |
|
a83cd101fd62
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jmasa
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diff
changeset
|
2082 jio_fprintf(defaultStream::error_stream(), |
|
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
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changeset
|
2083 "MinMetaspaceFreeRatio (%s" UINTX_FORMAT ") must be less than or " |
|
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
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8037
diff
changeset
|
2084 "equal to MaxMetaspaceFreeRatio (%s" UINTX_FORMAT ")\n", |
|
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
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diff
changeset
|
2085 FLAG_IS_DEFAULT(MinMetaspaceFreeRatio) ? "Default: " : "", |
|
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
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diff
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|
2086 MinMetaspaceFreeRatio, |
|
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
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8037
diff
changeset
|
2087 FLAG_IS_DEFAULT(MaxMetaspaceFreeRatio) ? "Default: " : "", |
|
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
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|
2088 MaxMetaspaceFreeRatio); |
|
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
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diff
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|
2089 status = false; |
|
a83cd101fd62
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jmasa
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8037
diff
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|
2090 } |
|
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
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8037
diff
changeset
|
2091 |
|
a83cd101fd62
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jmasa
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8037
diff
changeset
|
2092 // Trying to keep 100% free is not practical |
|
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
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8037
diff
changeset
|
2093 MinMetaspaceFreeRatio = MIN2(MinMetaspaceFreeRatio, (uintx) 99); |
|
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
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8037
diff
changeset
|
2094 |
| 0 | 2095 if (FullGCALot && FLAG_IS_DEFAULT(MarkSweepAlwaysCompactCount)) { |
| 2096 MarkSweepAlwaysCompactCount = 1; // Move objects every gc. | |
| 2097 } | |
| 2098 | |
|
483
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2099 if (UseParallelOldGC && ParallelOldGCSplitALot) { |
|
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2100 // Settings to encourage splitting. |
|
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2101 if (!FLAG_IS_CMDLINE(NewRatio)) { |
| 8035 | 2102 FLAG_SET_CMDLINE(uintx, NewRatio, 2); |
|
483
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2103 } |
|
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2104 if (!FLAG_IS_CMDLINE(ScavengeBeforeFullGC)) { |
|
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2105 FLAG_SET_CMDLINE(bool, ScavengeBeforeFullGC, false); |
|
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2106 } |
|
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2107 } |
|
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2108 |
|
10
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6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2109 status = status && verify_percentage(GCHeapFreeLimit, "GCHeapFreeLimit"); |
|
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2110 status = status && verify_percentage(GCTimeLimit, "GCTimeLimit"); |
| 0 | 2111 if (GCTimeLimit == 100) { |
| 2112 // Turn off gc-overhead-limit-exceeded checks | |
| 2113 FLAG_SET_DEFAULT(UseGCOverheadLimit, false); | |
| 2114 } | |
| 2115 | |
|
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2116 status = status && check_gc_consistency(); |
|
1744
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
2117 status = status && check_stack_pages(); |
| 0 | 2118 |
| 2119 if (CMSIncrementalMode) { | |
| 2120 if (!UseConcMarkSweepGC) { | |
| 2121 jio_fprintf(defaultStream::error_stream(), | |
| 2122 "error: invalid argument combination.\n" | |
| 2123 "The CMS collector (-XX:+UseConcMarkSweepGC) must be " | |
| 2124 "selected in order\nto use CMSIncrementalMode.\n"); | |
| 2125 status = false; | |
| 2126 } else { | |
|
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2127 status = status && verify_percentage(CMSIncrementalDutyCycle, |
| 0 | 2128 "CMSIncrementalDutyCycle"); |
|
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2129 status = status && verify_percentage(CMSIncrementalDutyCycleMin, |
| 0 | 2130 "CMSIncrementalDutyCycleMin"); |
|
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2131 status = status && verify_percentage(CMSIncrementalSafetyFactor, |
| 0 | 2132 "CMSIncrementalSafetyFactor"); |
|
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2133 status = status && verify_percentage(CMSIncrementalOffset, |
| 0 | 2134 "CMSIncrementalOffset"); |
|
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2135 status = status && verify_percentage(CMSExpAvgFactor, |
| 0 | 2136 "CMSExpAvgFactor"); |
| 2137 // If it was not set on the command line, set | |
| 2138 // CMSInitiatingOccupancyFraction to 1 so icms can initiate cycles early. | |
| 2139 if (CMSInitiatingOccupancyFraction < 0) { | |
| 2140 FLAG_SET_DEFAULT(CMSInitiatingOccupancyFraction, 1); | |
| 2141 } | |
| 2142 } | |
| 2143 } | |
| 2144 | |
| 2145 // CMS space iteration, which FLSVerifyAllHeapreferences entails, | |
| 2146 // insists that we hold the requisite locks so that the iteration is | |
| 2147 // MT-safe. For the verification at start-up and shut-down, we don't | |
| 2148 // yet have a good way of acquiring and releasing these locks, | |
| 2149 // which are not visible at the CollectedHeap level. We want to | |
| 2150 // be able to acquire these locks and then do the iteration rather | |
| 2151 // than just disable the lock verification. This will be fixed under | |
| 2152 // bug 4788986. | |
| 2153 if (UseConcMarkSweepGC && FLSVerifyAllHeapReferences) { | |
|
9071
68fe50d4f1d5
8011343: Add new flag for verifying the heap during startup
johnc
parents:
8859
diff
changeset
|
2154 if (VerifyDuringStartup) { |
| 0 | 2155 warning("Heap verification at start-up disabled " |
| 2156 "(due to current incompatibility with FLSVerifyAllHeapReferences)"); | |
|
9071
68fe50d4f1d5
8011343: Add new flag for verifying the heap during startup
johnc
parents:
8859
diff
changeset
|
2157 VerifyDuringStartup = false; // Disable verification at start-up |
| 0 | 2158 } |
|
9071
68fe50d4f1d5
8011343: Add new flag for verifying the heap during startup
johnc
parents:
8859
diff
changeset
|
2159 |
| 0 | 2160 if (VerifyBeforeExit) { |
| 2161 warning("Heap verification at shutdown disabled " | |
| 2162 "(due to current incompatibility with FLSVerifyAllHeapReferences)"); | |
| 2163 VerifyBeforeExit = false; // Disable verification at shutdown | |
| 2164 } | |
| 2165 } | |
| 2166 | |
| 2167 // Note: only executed in non-PRODUCT mode | |
| 2168 if (!UseAsyncConcMarkSweepGC && | |
| 2169 (ExplicitGCInvokesConcurrent || | |
| 2170 ExplicitGCInvokesConcurrentAndUnloadsClasses)) { | |
| 2171 jio_fprintf(defaultStream::error_stream(), | |
|
6628
bb3f6194fedb
7178363: G1: Remove the serial code for PrintGCDetails and make it a special case of the parallel code
brutisso
parents:
6266
diff
changeset
|
2172 "error: +ExplicitGCInvokesConcurrent[AndUnloadsClasses] conflicts" |
| 0 | 2173 " with -UseAsyncConcMarkSweepGC"); |
| 2174 status = false; | |
| 2175 } | |
| 2176 | |
|
2366
1fb790245268
6820066: Check that -XX:ParGCArrayScanChunk has a value larger than zero.
jwilhelm
parents:
2362
diff
changeset
|
2177 status = status && verify_min_value(ParGCArrayScanChunk, 1, "ParGCArrayScanChunk"); |
|
1fb790245268
6820066: Check that -XX:ParGCArrayScanChunk has a value larger than zero.
jwilhelm
parents:
2362
diff
changeset
|
2178 |
|
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
2179 #if INCLUDE_ALL_GCS |
|
1283
1c72304f1885
6928073: G1: use existing command line parameters for marking cycle initiation
tonyp
parents:
1257
diff
changeset
|
2180 if (UseG1GC) { |
|
1c72304f1885
6928073: G1: use existing command line parameters for marking cycle initiation
tonyp
parents:
1257
diff
changeset
|
2181 status = status && verify_percentage(InitiatingHeapOccupancyPercent, |
|
1c72304f1885
6928073: G1: use existing command line parameters for marking cycle initiation
tonyp
parents:
1257
diff
changeset
|
2182 "InitiatingHeapOccupancyPercent"); |
|
2174
234761c55641
6608385: G1: need to support parallel reference processing
johnc
parents:
2129
diff
changeset
|
2183 status = status && verify_min_value(G1RefProcDrainInterval, 1, |
|
234761c55641
6608385: G1: need to support parallel reference processing
johnc
parents:
2129
diff
changeset
|
2184 "G1RefProcDrainInterval"); |
|
234761c55641
6608385: G1: need to support parallel reference processing
johnc
parents:
2129
diff
changeset
|
2185 status = status && verify_min_value((intx)G1ConcMarkStepDurationMillis, 1, |
|
234761c55641
6608385: G1: need to support parallel reference processing
johnc
parents:
2129
diff
changeset
|
2186 "G1ConcMarkStepDurationMillis"); |
|
10246
194f52aa2f23
7176479: G1: JVM crashes on T5-8 system with 1.5 TB heap
johnc
parents:
10241
diff
changeset
|
2187 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
|
2188 "G1ConcRSHotCardLimit"); |
|
194f52aa2f23
7176479: G1: JVM crashes on T5-8 system with 1.5 TB heap
johnc
parents:
10241
diff
changeset
|
2189 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
|
2190 "G1ConcRSLogCacheSize"); |
|
1283
1c72304f1885
6928073: G1: use existing command line parameters for marking cycle initiation
tonyp
parents:
1257
diff
changeset
|
2191 } |
|
10287
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2192 if (UseConcMarkSweepGC) { |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2193 status = status && verify_min_value(CMSOldPLABNumRefills, 1, "CMSOldPLABNumRefills"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2194 status = status && verify_min_value(CMSOldPLABToleranceFactor, 1, "CMSOldPLABToleranceFactor"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
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diff
changeset
|
2195 status = status && verify_min_value(CMSOldPLABMax, 1, "CMSOldPLABMax"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2196 status = status && verify_interval(CMSOldPLABMin, 1, CMSOldPLABMax, "CMSOldPLABMin"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
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diff
changeset
|
2197 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2198 status = status && verify_min_value(CMSYoungGenPerWorker, 1, "CMSYoungGenPerWorker"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
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diff
changeset
|
2199 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2200 status = status && verify_min_value(CMSSamplingGrain, 1, "CMSSamplingGrain"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2201 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
|
2202 status = status && verify_interval(CMS_FLSWeight, 0, 100, "CMS_FLSWeight"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
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diff
changeset
|
2203 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2204 status = status && verify_interval(FLSCoalescePolicy, 0, 4, "FLSCoalescePolicy"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
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diff
changeset
|
2205 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2206 status = status && verify_min_value(CMSRescanMultiple, 1, "CMSRescanMultiple"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2207 status = status && verify_min_value(CMSConcMarkMultiple, 1, "CMSConcMarkMultiple"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
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diff
changeset
|
2208 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
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changeset
|
2209 status = status && verify_interval(CMSPrecleanIter, 0, 9, "CMSPrecleanIter"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2210 status = status && verify_min_value(CMSPrecleanDenominator, 1, "CMSPrecleanDenominator"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2211 status = status && verify_interval(CMSPrecleanNumerator, 0, CMSPrecleanDenominator - 1, "CMSPrecleanNumerator"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
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diff
changeset
|
2212 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2213 status = status && verify_percentage(CMSBootstrapOccupancy, "CMSBootstrapOccupancy"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2214 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2215 status = status && verify_min_value(CMSPrecleanThreshold, 100, "CMSPrecleanThreshold"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
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diff
changeset
|
2216 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2217 status = status && verify_percentage(CMSScheduleRemarkEdenPenetration, "CMSScheduleRemarkEdenPenetration"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2218 status = status && verify_min_value(CMSScheduleRemarkSamplingRatio, 1, "CMSScheduleRemarkSamplingRatio"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2219 status = status && verify_min_value(CMSBitMapYieldQuantum, 1, "CMSBitMapYieldQuantum"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2220 status = status && verify_percentage(CMSTriggerRatio, "CMSTriggerRatio"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2221 status = status && verify_percentage(CMSIsTooFullPercentage, "CMSIsTooFullPercentage"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
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diff
changeset
|
2222 } |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2223 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2224 if (UseParallelGC || UseParallelOldGC) { |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2225 status = status && verify_interval(ParallelOldDeadWoodLimiterMean, 0, 100, "ParallelOldDeadWoodLimiterMean"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2226 status = status && verify_interval(ParallelOldDeadWoodLimiterStdDev, 0, 100, "ParallelOldDeadWoodLimiterStdDev"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2227 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2228 status = status && verify_percentage(YoungGenerationSizeIncrement, "YoungGenerationSizeIncrement"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2229 status = status && verify_percentage(TenuredGenerationSizeIncrement, "TenuredGenerationSizeIncrement"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2230 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2231 status = status && verify_min_value(YoungGenerationSizeSupplementDecay, 1, "YoungGenerationSizeSupplementDecay"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2232 status = status && verify_min_value(TenuredGenerationSizeSupplementDecay, 1, "TenuredGenerationSizeSupplementDecay"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2233 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2234 status = status && verify_min_value(ParGCCardsPerStrideChunk, 1, "ParGCCardsPerStrideChunk"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2235 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2236 status = status && verify_min_value(ParallelOldGCSplitInterval, 0, "ParallelOldGCSplitInterval"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2237 } |
|
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
2238 #endif // INCLUDE_ALL_GCS |
|
1283
1c72304f1885
6928073: G1: use existing command line parameters for marking cycle initiation
tonyp
parents:
1257
diff
changeset
|
2239 |
|
1244
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2240 status = status && verify_interval(RefDiscoveryPolicy, |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2241 ReferenceProcessor::DiscoveryPolicyMin, |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2242 ReferenceProcessor::DiscoveryPolicyMax, |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2243 "RefDiscoveryPolicy"); |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2244 |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2245 // 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
|
2246 // expression. |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2247 status = status && verify_interval(TLABWasteTargetPercent, |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2248 1, 100, "TLABWasteTargetPercent"); |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2249 |
|
1571
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
2250 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
|
2251 |
|
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
2252 status = status && verify_interval(CompressedClassSpaceSize, 1*M, 3*G, |
|
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
2253 "CompressedClassSpaceSize"); |
|
6736
11fb740ce98f
7196103: NPG: Unable to allocate bit map for parallel garbage collection for the requested heap size
coleenp
parents:
6725
diff
changeset
|
2254 |
|
7397
442f942757c0
8000244: G1: Ergonomically set MarkStackSize and use virtual space for global marking stack
johnc
parents:
7177
diff
changeset
|
2255 status = status && verify_interval(MarkStackSizeMax, |
|
442f942757c0
8000244: G1: Ergonomically set MarkStackSize and use virtual space for global marking stack
johnc
parents:
7177
diff
changeset
|
2256 1, (max_jint - 1), "MarkStackSizeMax"); |
|
10287
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2257 status = status && verify_interval(NUMAChunkResizeWeight, 0, 100, "NUMAChunkResizeWeight"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2258 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2259 status = status && verify_min_value(LogEventsBufferEntries, 1, "LogEventsBufferEntries"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2260 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2261 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
|
2262 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2263 status = status && verify_min_value(GCTaskTimeStampEntries, 1, "GCTaskTimeStampEntries"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2264 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2265 status = status && verify_percentage(ParallelGCBufferWastePct, "ParallelGCBufferWastePct"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2266 status = status && verify_interval(TargetPLABWastePct, 1, 100, "TargetPLABWastePct"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2267 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2268 status = status && verify_min_value(ParGCStridesPerThread, 1, "ParGCStridesPerThread"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2269 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2270 status = status && verify_min_value(MinRAMFraction, 1, "MinRAMFraction"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2271 status = status && verify_min_value(InitialRAMFraction, 1, "InitialRAMFraction"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2272 status = status && verify_min_value(MaxRAMFraction, 1, "MaxRAMFraction"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2273 status = status && verify_min_value(DefaultMaxRAMFraction, 1, "DefaultMaxRAMFraction"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2274 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2275 status = status && verify_interval(AdaptiveTimeWeight, 0, 100, "AdaptiveTimeWeight"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2276 status = status && verify_min_value(AdaptiveSizeDecrementScaleFactor, 1, "AdaptiveSizeDecrementScaleFactor"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2277 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2278 status = status && verify_interval(TLABAllocationWeight, 0, 100, "TLABAllocationWeight"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2279 status = status && verify_min_value(MinTLABSize, 1, "MinTLABSize"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2280 status = status && verify_min_value(TLABRefillWasteFraction, 1, "TLABRefillWasteFraction"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2281 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2282 status = status && verify_percentage(YoungGenerationSizeSupplement, "YoungGenerationSizeSupplement"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2283 status = status && verify_percentage(TenuredGenerationSizeSupplement, "TenuredGenerationSizeSupplement"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2284 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2285 // 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
|
2286 // just for that, so hardcode here. |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2287 status = status && verify_interval(MaxTenuringThreshold, 0, 15, "MaxTenuringThreshold"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2288 status = status && verify_interval(InitialTenuringThreshold, 0, MaxTenuringThreshold, "MaxTenuringThreshold"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2289 status = status && verify_percentage(TargetSurvivorRatio, "TargetSurvivorRatio"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2290 status = status && verify_percentage(MarkSweepDeadRatio, "MarkSweepDeadRatio"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2291 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2292 status = status && verify_min_value(MarkSweepAlwaysCompactCount, 1, "MarkSweepAlwaysCompactCount"); |
|
6755
bc675e55b48c
7193946: Move warnings associated with UseMemSetInBOT flag
johnc
parents:
6736
diff
changeset
|
2293 #ifdef SPARC |
|
bc675e55b48c
7193946: Move warnings associated with UseMemSetInBOT flag
johnc
parents:
6736
diff
changeset
|
2294 if (UseConcMarkSweepGC || UseG1GC) { |
|
bc675e55b48c
7193946: Move warnings associated with UseMemSetInBOT flag
johnc
parents:
6736
diff
changeset
|
2295 // Issue a stern warning if the user has explicitly set |
|
bc675e55b48c
7193946: Move warnings associated with UseMemSetInBOT flag
johnc
parents:
6736
diff
changeset
|
2296 // UseMemSetInBOT (it is known to cause issues), but allow |
|
bc675e55b48c
7193946: Move warnings associated with UseMemSetInBOT flag
johnc
parents:
6736
diff
changeset
|
2297 // use for experimentation and debugging. |
|
bc675e55b48c
7193946: Move warnings associated with UseMemSetInBOT flag
johnc
parents:
6736
diff
changeset
|
2298 if (VM_Version::is_sun4v() && UseMemSetInBOT) { |
|
bc675e55b48c
7193946: Move warnings associated with UseMemSetInBOT flag
johnc
parents:
6736
diff
changeset
|
2299 assert(!FLAG_IS_DEFAULT(UseMemSetInBOT), "Error"); |
|
bc675e55b48c
7193946: Move warnings associated with UseMemSetInBOT flag
johnc
parents:
6736
diff
changeset
|
2300 warning("Experimental flag -XX:+UseMemSetInBOT is known to cause instability" |
|
bc675e55b48c
7193946: Move warnings associated with UseMemSetInBOT flag
johnc
parents:
6736
diff
changeset
|
2301 " 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
|
2302 } |
|
bc675e55b48c
7193946: Move warnings associated with UseMemSetInBOT flag
johnc
parents:
6736
diff
changeset
|
2303 } |
|
bc675e55b48c
7193946: Move warnings associated with UseMemSetInBOT flag
johnc
parents:
6736
diff
changeset
|
2304 #endif // SPARC |
|
bc675e55b48c
7193946: Move warnings associated with UseMemSetInBOT flag
johnc
parents:
6736
diff
changeset
|
2305 |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2306 if (PrintNMTStatistics) { |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2307 #if INCLUDE_NMT |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2308 if (MemTracker::tracking_level() == MemTracker::NMT_off) { |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2309 #endif // INCLUDE_NMT |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2310 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
|
2311 PrintNMTStatistics = false; |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2312 #if INCLUDE_NMT |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2313 } |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2314 #endif |
|
6770
9a86ddfc6c8f
7188594: Print statistic collected by NMT with VM flag
zgu
parents:
6736
diff
changeset
|
2315 } |
|
4559
723df37192d6
Make it possible again to build a real client libjvm, drop the UseGraal flag.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
4350
diff
changeset
|
2316 #ifdef GRAAL |
| 10409 | 2317 if (UseG1GC) { |
| 2318 if (IgnoreUnrecognizedVMOptions) { | |
| 2319 FLAG_SET_CMDLINE(bool, UseG1GC, true); | |
| 2320 } else { | |
| 2321 status = true; | |
| 2322 } | |
|
10864
6457dc4227e3
Add compressed klass pointers in gate
Christos Kotselidis <christos.kotselidis@oracle.com>
parents:
10739
diff
changeset
|
2323 } else { |
| 10409 | 2324 // This prevents the flag being set to true by set_ergonomics_flags() |
| 2325 FLAG_SET_CMDLINE(bool, UseG1GC, false); | |
|
10864
6457dc4227e3
Add compressed klass pointers in gate
Christos Kotselidis <christos.kotselidis@oracle.com>
parents:
10739
diff
changeset
|
2326 } |
| 10409 | 2327 |
| 2328 if (!ScavengeRootsInCode) { | |
| 2329 warning("forcing ScavengeRootsInCode non-zero because Graal is enabled"); | |
| 2330 ScavengeRootsInCode = 1; | |
| 2331 } | |
| 2332 #endif | |
|
6770
9a86ddfc6c8f
7188594: Print statistic collected by NMT with VM flag
zgu
parents:
6736
diff
changeset
|
2333 |
|
10260
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2334 // Need to limit the extent of the padding to reasonable size. |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2335 // 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
|
2336 // aggressive prefetching, while still leaving the room for segregating |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2337 // among the distinct pages. |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2338 if (ContendedPaddingWidth < 0 || ContendedPaddingWidth > 8192) { |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2339 jio_fprintf(defaultStream::error_stream(), |
| 12129 | 2340 "ContendedPaddingWidth=" INTX_FORMAT " must be in between %d and %d\n", |
|
10260
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2341 ContendedPaddingWidth, 0, 8192); |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2342 status = false; |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2343 } |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2344 |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2345 // Need to enforce the padding not to break the existing field alignments. |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2346 // It is sufficient to check against the largest type size. |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2347 if ((ContendedPaddingWidth % BytesPerLong) != 0) { |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2348 jio_fprintf(defaultStream::error_stream(), |
| 12129 | 2349 "ContendedPaddingWidth=" INTX_FORMAT " must be a multiple of %d\n", |
|
10260
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2350 ContendedPaddingWidth, BytesPerLong); |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2351 status = false; |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2352 } |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2353 |
|
11079
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2354 // 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
|
2355 // 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
|
2356 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
|
2357 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
|
2358 jio_fprintf(defaultStream::error_stream(), |
|
11079
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2359 "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
|
2360 os::vm_page_size()/K); |
|
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2361 status = false; |
|
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2362 } else if (ReservedCodeCacheSize < InitialCodeCacheSize) { |
|
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2363 jio_fprintf(defaultStream::error_stream(), |
|
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2364 "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
|
2365 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
|
2366 status = false; |
|
11079
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2367 } 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
|
2368 jio_fprintf(defaultStream::error_stream(), |
|
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2369 "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
|
2370 min_code_cache_size/K); |
|
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2371 status = false; |
|
11109
7ac80525ece9
8015635: Crash when specifying very large code cache size
anoll
parents:
11083
diff
changeset
|
2372 } else if (ReservedCodeCacheSize > 2*G) { |
|
7ac80525ece9
8015635: Crash when specifying very large code cache size
anoll
parents:
11083
diff
changeset
|
2373 // Code cache size larger than MAXINT is not supported. |
|
7ac80525ece9
8015635: Crash when specifying very large code cache size
anoll
parents:
11083
diff
changeset
|
2374 jio_fprintf(defaultStream::error_stream(), |
|
7ac80525ece9
8015635: Crash when specifying very large code cache size
anoll
parents:
11083
diff
changeset
|
2375 "Invalid ReservedCodeCacheSize=%dM. Must be at most %uM.\n", ReservedCodeCacheSize/M, |
|
7ac80525ece9
8015635: Crash when specifying very large code cache size
anoll
parents:
11083
diff
changeset
|
2376 (2*G)/M); |
|
7ac80525ece9
8015635: Crash when specifying very large code cache size
anoll
parents:
11083
diff
changeset
|
2377 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
|
2378 } |
|
12324
510fbd28919c
8020151: PSR:PERF Large performance regressions when code cache is filled
anoll
parents:
12322
diff
changeset
|
2379 |
|
510fbd28919c
8020151: PSR:PERF Large performance regressions when code cache is filled
anoll
parents:
12322
diff
changeset
|
2380 status &= verify_interval(NmethodSweepFraction, 1, ReservedCodeCacheSize/K, "NmethodSweepFraction"); |
|
510fbd28919c
8020151: PSR:PERF Large performance regressions when code cache is filled
anoll
parents:
12322
diff
changeset
|
2381 status &= verify_interval(NmethodSweepActivity, 0, 2000, "NmethodSweepActivity"); |
|
510fbd28919c
8020151: PSR:PERF Large performance regressions when code cache is filled
anoll
parents:
12322
diff
changeset
|
2382 |
| 0 | 2383 return status; |
| 2384 } | |
| 2385 | |
| 2386 bool Arguments::is_bad_option(const JavaVMOption* option, jboolean ignore, | |
| 2387 const char* option_type) { | |
| 2388 if (ignore) return false; | |
| 2389 | |
| 2390 const char* spacer = " "; | |
| 2391 if (option_type == NULL) { | |
| 2392 option_type = ++spacer; // Set both to the empty string. | |
| 2393 } | |
| 2394 | |
| 2395 if (os::obsolete_option(option)) { | |
| 2396 jio_fprintf(defaultStream::error_stream(), | |
| 2397 "Obsolete %s%soption: %s\n", option_type, spacer, | |
| 2398 option->optionString); | |
| 2399 return false; | |
| 2400 } else { | |
| 2401 jio_fprintf(defaultStream::error_stream(), | |
| 2402 "Unrecognized %s%soption: %s\n", option_type, spacer, | |
| 2403 option->optionString); | |
| 2404 return true; | |
| 2405 } | |
| 2406 } | |
| 2407 | |
| 2408 static const char* user_assertion_options[] = { | |
| 2409 "-da", "-ea", "-disableassertions", "-enableassertions", 0 | |
| 2410 }; | |
| 2411 | |
| 2412 static const char* system_assertion_options[] = { | |
| 2413 "-dsa", "-esa", "-disablesystemassertions", "-enablesystemassertions", 0 | |
| 2414 }; | |
| 2415 | |
| 2416 // Return true if any of the strings in null-terminated array 'names' matches. | |
| 2417 // If tail_allowed is true, then the tail must begin with a colon; otherwise, | |
| 2418 // the option must match exactly. | |
| 2419 static bool match_option(const JavaVMOption* option, const char** names, const char** tail, | |
| 2420 bool tail_allowed) { | |
| 2421 for (/* empty */; *names != NULL; ++names) { | |
| 2422 if (match_option(option, *names, tail)) { | |
| 2423 if (**tail == '\0' || tail_allowed && **tail == ':') { | |
| 2424 return true; | |
| 2425 } | |
| 2426 } | |
| 2427 } | |
| 2428 return false; | |
| 2429 } | |
| 2430 | |
| 1284 | 2431 bool Arguments::parse_uintx(const char* value, |
| 2432 uintx* uintx_arg, | |
| 2433 uintx min_size) { | |
| 2434 | |
| 2435 // Check the sign first since atomull() parses only unsigned values. | |
| 2436 bool value_is_positive = !(*value == '-'); | |
| 2437 | |
| 2438 if (value_is_positive) { | |
| 2439 julong n; | |
| 2440 bool good_return = atomull(value, &n); | |
| 2441 if (good_return) { | |
| 2442 bool above_minimum = n >= min_size; | |
| 2443 bool value_is_too_large = n > max_uintx; | |
| 2444 | |
| 2445 if (above_minimum && !value_is_too_large) { | |
| 2446 *uintx_arg = n; | |
| 2447 return true; | |
| 2448 } | |
| 2449 } | |
| 2450 } | |
| 2451 return false; | |
| 2452 } | |
| 2453 | |
| 0 | 2454 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
|
2455 julong* long_arg, |
|
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
2456 julong min_size) { |
|
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
2457 if (!atomull(s, long_arg)) return arg_unreadable; |
| 0 | 2458 return check_memory_size(*long_arg, min_size); |
| 2459 } | |
| 2460 | |
| 2461 // Parse JavaVMInitArgs structure | |
| 2462 | |
| 2463 jint Arguments::parse_vm_init_args(const JavaVMInitArgs* args) { | |
| 2464 // For components of the system classpath. | |
| 2465 SysClassPath scp(Arguments::get_sysclasspath()); | |
| 2466 bool scp_assembly_required = false; | |
| 2467 | |
| 2468 // Save default settings for some mode flags | |
| 2469 Arguments::_AlwaysCompileLoopMethods = AlwaysCompileLoopMethods; | |
| 2470 Arguments::_UseOnStackReplacement = UseOnStackReplacement; | |
| 2471 Arguments::_ClipInlining = ClipInlining; | |
| 2472 Arguments::_BackgroundCompilation = BackgroundCompilation; | |
| 2473 | |
|
3341
e9b8ef09622a
7041582: set_mode_flags isn't called without -Xmixed specified
never
parents:
3261
diff
changeset
|
2474 // Setup flags for mixed which is the default |
|
e9b8ef09622a
7041582: set_mode_flags isn't called without -Xmixed specified
never
parents:
3261
diff
changeset
|
2475 set_mode_flags(_mixed); |
|
e9b8ef09622a
7041582: set_mode_flags isn't called without -Xmixed specified
never
parents:
3261
diff
changeset
|
2476 |
| 0 | 2477 // Parse JAVA_TOOL_OPTIONS environment variable (if present) |
| 2478 jint result = parse_java_tool_options_environment_variable(&scp, &scp_assembly_required); | |
| 2479 if (result != JNI_OK) { | |
| 2480 return result; | |
| 2481 } | |
| 2482 | |
| 2483 // Parse JavaVMInitArgs structure passed in | |
|
12322
72b7e96c1922
8024545: make develop and notproduct flag values available in product builds
twisti
parents:
12269
diff
changeset
|
2484 result = parse_each_vm_init_arg(args, &scp, &scp_assembly_required, Flag::COMMAND_LINE); |
| 0 | 2485 if (result != JNI_OK) { |
| 2486 return result; | |
| 2487 } | |
| 2488 | |
| 2489 // Parse _JAVA_OPTIONS environment variable (if present) (mimics classic VM) | |
| 2490 result = parse_java_options_environment_variable(&scp, &scp_assembly_required); | |
| 2491 if (result != JNI_OK) { | |
| 2492 return result; | |
| 2493 } | |
| 2494 | |
| 2495 // Do final processing now that all arguments have been parsed | |
| 2496 result = finalize_vm_init_args(&scp, scp_assembly_required); | |
| 2497 if (result != JNI_OK) { | |
| 2498 return result; | |
| 2499 } | |
| 2500 | |
| 2501 return JNI_OK; | |
| 2502 } | |
| 2503 | |
|
10170
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2504 // 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
|
2505 // 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
|
2506 // are dealing with -agentpath (case where name is a path), otherwise with |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2507 // -agentlib |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2508 bool valid_hprof_or_jdwp_agent(char *name, bool is_path) { |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2509 char *_name; |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2510 const char *_hprof = "hprof", *_jdwp = "jdwp"; |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2511 size_t _len_hprof, _len_jdwp, _len_prefix; |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2512 |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2513 if (is_path) { |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2514 if ((_name = strrchr(name, (int) *os::file_separator())) == NULL) { |
|
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2515 return false; |
|
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8010428: Special -agentpath checks needed with minimal VM to produce proper error message
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diff
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|
2516 } |
|
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|
2517 |
|
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|
2518 _name++; // skip past last path separator |
|
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|
2519 _len_prefix = strlen(JNI_LIB_PREFIX); |
|
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|
2520 |
|
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|
2521 if (strncmp(_name, JNI_LIB_PREFIX, _len_prefix) != 0) { |
|
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diff
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|
2522 return false; |
|
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diff
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|
2523 } |
|
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diff
changeset
|
2524 |
|
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|
2525 _name += _len_prefix; |
|
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diff
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|
2526 _len_hprof = strlen(_hprof); |
|
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|
2527 _len_jdwp = strlen(_jdwp); |
|
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|
2528 |
|
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|
2529 if (strncmp(_name, _hprof, _len_hprof) == 0) { |
|
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|
2530 _name += _len_hprof; |
|
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|
2531 } |
|
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|
2532 else if (strncmp(_name, _jdwp, _len_jdwp) == 0) { |
|
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|
2533 _name += _len_jdwp; |
|
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|
2534 } |
|
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|
2535 else { |
|
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|
2536 return false; |
|
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diff
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|
2537 } |
|
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|
2538 |
|
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|
2539 if (strcmp(_name, JNI_LIB_SUFFIX) != 0) { |
|
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|
2540 return false; |
|
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|
2541 } |
|
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|
2542 |
|
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|
2543 return true; |
|
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|
2544 } |
|
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|
2545 |
|
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diff
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|
2546 if (strcmp(name, _hprof) == 0 || strcmp(name, _jdwp) == 0) { |
|
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|
2547 return true; |
|
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|
2548 } |
|
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|
2549 |
|
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|
2550 return false; |
|
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|
2551 } |
|
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|
2552 |
| 0 | 2553 jint Arguments::parse_each_vm_init_arg(const JavaVMInitArgs* args, |
| 2554 SysClassPath* scp_p, | |
| 2555 bool* scp_assembly_required_p, | |
|
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diff
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|
2556 Flag::Flags origin) { |
| 0 | 2557 // Remaining part of option string |
| 2558 const char* tail; | |
| 2559 | |
| 2560 // iterate over arguments | |
| 2561 for (int index = 0; index < args->nOptions; index++) { | |
| 2562 bool is_absolute_path = false; // for -agentpath vs -agentlib | |
| 2563 | |
| 2564 const JavaVMOption* option = args->options + index; | |
| 2565 | |
| 2566 if (!match_option(option, "-Djava.class.path", &tail) && | |
| 2567 !match_option(option, "-Dsun.java.command", &tail) && | |
| 2568 !match_option(option, "-Dsun.java.launcher", &tail)) { | |
| 2569 | |
| 2570 // add all jvm options to the jvm_args string. This string | |
| 2571 // is used later to set the java.vm.args PerfData string constant. | |
| 2572 // the -Djava.class.path and the -Dsun.java.command options are | |
| 2573 // omitted from jvm_args string as each have their own PerfData | |
| 2574 // string constant object. | |
| 2575 build_jvm_args(option->optionString); | |
| 2576 } | |
| 2577 | |
| 2578 // -verbose:[class/gc/jni] | |
| 2579 if (match_option(option, "-verbose", &tail)) { | |
| 2580 if (!strcmp(tail, ":class") || !strcmp(tail, "")) { | |
| 2581 FLAG_SET_CMDLINE(bool, TraceClassLoading, true); | |
| 2582 FLAG_SET_CMDLINE(bool, TraceClassUnloading, true); | |
| 2583 } else if (!strcmp(tail, ":gc")) { | |
| 2584 FLAG_SET_CMDLINE(bool, PrintGC, true); | |
| 2585 } else if (!strcmp(tail, ":jni")) { | |
| 2586 FLAG_SET_CMDLINE(bool, PrintJNIResolving, true); | |
| 2587 } | |
| 2588 // -da / -ea / -disableassertions / -enableassertions | |
| 2589 // These accept an optional class/package name separated by a colon, e.g., | |
| 2590 // -da:java.lang.Thread. | |
| 2591 } else if (match_option(option, user_assertion_options, &tail, true)) { | |
| 2592 bool enable = option->optionString[1] == 'e'; // char after '-' is 'e' | |
| 2593 if (*tail == '\0') { | |
| 2594 JavaAssertions::setUserClassDefault(enable); | |
| 2595 } else { | |
| 2596 assert(*tail == ':', "bogus match by match_option()"); | |
| 2597 JavaAssertions::addOption(tail + 1, enable); | |
| 2598 } | |
| 2599 // -dsa / -esa / -disablesystemassertions / -enablesystemassertions | |
| 2600 } else if (match_option(option, system_assertion_options, &tail, false)) { | |
| 2601 bool enable = option->optionString[1] == 'e'; // char after '-' is 'e' | |
| 2602 JavaAssertions::setSystemClassDefault(enable); | |
| 2603 // -bootclasspath: | |
| 2604 } else if (match_option(option, "-Xbootclasspath:", &tail)) { | |
| 2605 scp_p->reset_path(tail); | |
| 2606 *scp_assembly_required_p = true; | |
| 2607 // -bootclasspath/a: | |
| 2608 } else if (match_option(option, "-Xbootclasspath/a:", &tail)) { | |
| 2609 scp_p->add_suffix(tail); | |
| 2610 *scp_assembly_required_p = true; | |
| 2611 // -bootclasspath/p: | |
| 2612 } else if (match_option(option, "-Xbootclasspath/p:", &tail)) { | |
| 2613 scp_p->add_prefix(tail); | |
| 2614 *scp_assembly_required_p = true; | |
| 2615 // -Xrun | |
| 2616 } else if (match_option(option, "-Xrun", &tail)) { | |
|
531
40ee984935b9
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513
diff
changeset
|
2617 if (tail != NULL) { |
| 0 | 2618 const char* pos = strchr(tail, ':'); |
| 2619 size_t len = (pos == NULL) ? strlen(tail) : pos - tail; | |
| 6197 | 2620 char* name = (char*)memcpy(NEW_C_HEAP_ARRAY(char, len + 1, mtInternal), tail, len); |
| 0 | 2621 name[len] = '\0'; |
| 2622 | |
| 2623 char *options = NULL; | |
| 2624 if(pos != NULL) { | |
| 2625 size_t len2 = strlen(pos+1) + 1; // options start after ':'. Final zero must be copied. | |
| 6197 | 2626 options = (char*)memcpy(NEW_C_HEAP_ARRAY(char, len2, mtInternal), pos+1, len2); |
| 0 | 2627 } |
|
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diff
changeset
|
2628 #if !INCLUDE_JVMTI |
| 0 | 2629 if ((strcmp(name, "hprof") == 0) || (strcmp(name, "jdwp") == 0)) { |
|
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diff
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|
2630 jio_fprintf(defaultStream::error_stream(), |
|
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diff
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|
2631 "Profiling and debugging agents are not supported in this VM\n"); |
|
fad90b102190
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diff
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|
2632 return JNI_ERR; |
|
fad90b102190
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diff
changeset
|
2633 } |
|
6854
fb19af007ffc
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diff
changeset
|
2634 #endif // !INCLUDE_JVMTI |
|
8720
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8105
diff
changeset
|
2635 add_init_library(name, options); |
| 0 | 2636 } |
| 2637 // -agentlib and -agentpath | |
| 2638 } else if (match_option(option, "-agentlib:", &tail) || | |
| 2639 (is_absolute_path = match_option(option, "-agentpath:", &tail))) { | |
| 2640 if(tail != NULL) { | |
| 2641 const char* pos = strchr(tail, '='); | |
| 2642 size_t len = (pos == NULL) ? strlen(tail) : pos - tail; | |
| 6197 | 2643 char* name = strncpy(NEW_C_HEAP_ARRAY(char, len + 1, mtInternal), tail, len); |
| 0 | 2644 name[len] = '\0'; |
| 2645 | |
| 2646 char *options = NULL; | |
| 2647 if(pos != NULL) { | |
| 6197 | 2648 options = strcpy(NEW_C_HEAP_ARRAY(char, strlen(pos + 1) + 1, mtInternal), pos + 1); |
| 0 | 2649 } |
|
6854
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6818
diff
changeset
|
2650 #if !INCLUDE_JVMTI |
|
10170
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9077
diff
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|
2651 if (valid_hprof_or_jdwp_agent(name, is_absolute_path)) { |
|
8720
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|
2652 jio_fprintf(defaultStream::error_stream(), |
|
fad90b102190
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8105
diff
changeset
|
2653 "Profiling and debugging agents are not supported in this VM\n"); |
|
fad90b102190
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diff
changeset
|
2654 return JNI_ERR; |
|
fad90b102190
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8105
diff
changeset
|
2655 } |
|
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6818
diff
changeset
|
2656 #endif // !INCLUDE_JVMTI |
| 0 | 2657 add_init_agent(name, options, is_absolute_path); |
| 2658 } | |
| 2659 // -javaagent | |
| 2660 } else if (match_option(option, "-javaagent:", &tail)) { | |
|
6854
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diff
changeset
|
2661 #if !INCLUDE_JVMTI |
|
8720
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8105
diff
changeset
|
2662 jio_fprintf(defaultStream::error_stream(), |
|
fad90b102190
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8105
diff
changeset
|
2663 "Instrumentation agents are not supported in this VM\n"); |
|
fad90b102190
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8105
diff
changeset
|
2664 return JNI_ERR; |
|
6854
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diff
changeset
|
2665 #else |
| 0 | 2666 if(tail != NULL) { |
| 6197 | 2667 char *options = strcpy(NEW_C_HEAP_ARRAY(char, strlen(tail) + 1, mtInternal), tail); |
| 0 | 2668 add_init_agent("instrument", options, false); |
| 2669 } | |
|
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diff
changeset
|
2670 #endif // !INCLUDE_JVMTI |
| 0 | 2671 // -Xnoclassgc |
| 2672 } else if (match_option(option, "-Xnoclassgc", &tail)) { | |
| 2673 FLAG_SET_CMDLINE(bool, ClassUnloading, false); | |
| 2674 // -Xincgc: i-CMS | |
| 2675 } else if (match_option(option, "-Xincgc", &tail)) { | |
| 2676 FLAG_SET_CMDLINE(bool, UseConcMarkSweepGC, true); | |
| 2677 FLAG_SET_CMDLINE(bool, CMSIncrementalMode, true); | |
| 2678 // -Xnoincgc: no i-CMS | |
| 2679 } else if (match_option(option, "-Xnoincgc", &tail)) { | |
| 2680 FLAG_SET_CMDLINE(bool, UseConcMarkSweepGC, false); | |
| 2681 FLAG_SET_CMDLINE(bool, CMSIncrementalMode, false); | |
| 2682 // -Xconcgc | |
| 2683 } else if (match_option(option, "-Xconcgc", &tail)) { | |
| 2684 FLAG_SET_CMDLINE(bool, UseConcMarkSweepGC, true); | |
| 2685 // -Xnoconcgc | |
| 2686 } else if (match_option(option, "-Xnoconcgc", &tail)) { | |
| 2687 FLAG_SET_CMDLINE(bool, UseConcMarkSweepGC, false); | |
| 2688 // -Xbatch | |
| 2689 } else if (match_option(option, "-Xbatch", &tail)) { | |
| 2690 FLAG_SET_CMDLINE(bool, BackgroundCompilation, false); | |
| 2691 // -Xmn for compatibility with other JVM vendors | |
| 2692 } else if (match_option(option, "-Xmn", &tail)) { | |
|
489
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diff
changeset
|
2693 julong long_initial_eden_size = 0; |
| 0 | 2694 ArgsRange errcode = parse_memory_size(tail, &long_initial_eden_size, 1); |
| 2695 if (errcode != arg_in_range) { | |
| 2696 jio_fprintf(defaultStream::error_stream(), | |
| 2697 "Invalid initial eden size: %s\n", option->optionString); | |
| 2698 describe_range_error(errcode); | |
| 2699 return JNI_EINVAL; | |
| 2700 } | |
| 1064 | 2701 FLAG_SET_CMDLINE(uintx, MaxNewSize, (uintx)long_initial_eden_size); |
| 2702 FLAG_SET_CMDLINE(uintx, NewSize, (uintx)long_initial_eden_size); | |
| 0 | 2703 // -Xms |
| 2704 } else if (match_option(option, "-Xms", &tail)) { | |
|
489
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diff
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|
2705 julong long_initial_heap_size = 0; |
|
10241
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diff
changeset
|
2706 // an initial heap size of 0 means automatically determine |
|
d17700c82d7d
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diff
changeset
|
2707 ArgsRange errcode = parse_memory_size(tail, &long_initial_heap_size, 0); |
| 0 | 2708 if (errcode != arg_in_range) { |
| 2709 jio_fprintf(defaultStream::error_stream(), | |
| 2710 "Invalid initial heap size: %s\n", option->optionString); | |
| 2711 describe_range_error(errcode); | |
| 2712 return JNI_EINVAL; | |
| 2713 } | |
| 1064 | 2714 FLAG_SET_CMDLINE(uintx, InitialHeapSize, (uintx)long_initial_heap_size); |
| 0 | 2715 // Currently the minimum size and the initial heap sizes are the same. |
| 1064 | 2716 set_min_heap_size(InitialHeapSize); |
| 0 | 2717 // -Xmx |
|
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10240
diff
changeset
|
2718 } else if (match_option(option, "-Xmx", &tail) || match_option(option, "-XX:MaxHeapSize=", &tail)) { |
|
489
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483
diff
changeset
|
2719 julong long_max_heap_size = 0; |
| 0 | 2720 ArgsRange errcode = parse_memory_size(tail, &long_max_heap_size, 1); |
| 2721 if (errcode != arg_in_range) { | |
| 2722 jio_fprintf(defaultStream::error_stream(), | |
| 2723 "Invalid maximum heap size: %s\n", option->optionString); | |
| 2724 describe_range_error(errcode); | |
| 2725 return JNI_EINVAL; | |
| 2726 } | |
| 1064 | 2727 FLAG_SET_CMDLINE(uintx, MaxHeapSize, (uintx)long_max_heap_size); |
| 0 | 2728 // Xmaxf |
| 2729 } else if (match_option(option, "-Xmaxf", &tail)) { | |
| 2730 int maxf = (int)(atof(tail) * 100); | |
| 2731 if (maxf < 0 || maxf > 100) { | |
| 2732 jio_fprintf(defaultStream::error_stream(), | |
| 2733 "Bad max heap free percentage size: %s\n", | |
| 2734 option->optionString); | |
| 2735 return JNI_EINVAL; | |
| 2736 } else { | |
| 2737 FLAG_SET_CMDLINE(uintx, MaxHeapFreeRatio, maxf); | |
| 2738 } | |
| 2739 // Xminf | |
| 2740 } else if (match_option(option, "-Xminf", &tail)) { | |
| 2741 int minf = (int)(atof(tail) * 100); | |
| 2742 if (minf < 0 || minf > 100) { | |
| 2743 jio_fprintf(defaultStream::error_stream(), | |
| 2744 "Bad min heap free percentage size: %s\n", | |
| 2745 option->optionString); | |
| 2746 return JNI_EINVAL; | |
| 2747 } else { | |
| 2748 FLAG_SET_CMDLINE(uintx, MinHeapFreeRatio, minf); | |
| 2749 } | |
| 2750 // -Xss | |
| 2751 } else if (match_option(option, "-Xss", &tail)) { | |
|
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483
diff
changeset
|
2752 julong long_ThreadStackSize = 0; |
| 0 | 2753 ArgsRange errcode = parse_memory_size(tail, &long_ThreadStackSize, 1000); |
| 2754 if (errcode != arg_in_range) { | |
| 2755 jio_fprintf(defaultStream::error_stream(), | |
| 2756 "Invalid thread stack size: %s\n", option->optionString); | |
| 2757 describe_range_error(errcode); | |
| 2758 return JNI_EINVAL; | |
| 2759 } | |
| 2760 // Internally track ThreadStackSize in units of 1024 bytes. | |
| 2761 FLAG_SET_CMDLINE(intx, ThreadStackSize, | |
| 2762 round_to((int)long_ThreadStackSize, K) / K); | |
| 2763 // -Xoss | |
| 2764 } else if (match_option(option, "-Xoss", &tail)) { | |
| 2765 // HotSpot does not have separate native and Java stacks, ignore silently for compatibility | |
|
11079
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
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parents:
11006
diff
changeset
|
2766 } else if (match_option(option, "-XX:CodeCacheExpansionSize=", &tail)) { |
|
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
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parents:
11006
diff
changeset
|
2767 julong long_CodeCacheExpansionSize = 0; |
|
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2768 ArgsRange errcode = parse_memory_size(tail, &long_CodeCacheExpansionSize, os::vm_page_size()); |
|
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2769 if (errcode != arg_in_range) { |
|
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2770 jio_fprintf(defaultStream::error_stream(), |
|
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2771 "Invalid argument: %s. Must be at least %luK.\n", option->optionString, |
|
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2772 os::vm_page_size()/K); |
|
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2773 return JNI_EINVAL; |
|
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2774 } |
|
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2775 FLAG_SET_CMDLINE(uintx, CodeCacheExpansionSize, (uintx)long_CodeCacheExpansionSize); |
|
2095
36c186bcc085
6302804: Hotspot VM dies ungraceful death when C heap is exhausted in various places.
coleenp
parents:
2002
diff
changeset
|
2776 } else if (match_option(option, "-Xmaxjitcodesize", &tail) || |
|
36c186bcc085
6302804: Hotspot VM dies ungraceful death when C heap is exhausted in various places.
coleenp
parents:
2002
diff
changeset
|
2777 match_option(option, "-XX:ReservedCodeCacheSize=", &tail)) { |
|
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
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483
diff
changeset
|
2778 julong long_ReservedCodeCacheSize = 0; |
|
11079
738e04fb1232
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11006
diff
changeset
|
2779 |
|
10392
c07dd9be16e8
8013496: Code cache management command line options work only in special order. Another order of arguments does not deliver the second parameter to the jvm.
anoll
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10319
diff
changeset
|
2780 ArgsRange errcode = parse_memory_size(tail, &long_ReservedCodeCacheSize, 1); |
| 0 | 2781 if (errcode != arg_in_range) { |
| 2782 jio_fprintf(defaultStream::error_stream(), | |
|
10392
c07dd9be16e8
8013496: Code cache management command line options work only in special order. Another order of arguments does not deliver the second parameter to the jvm.
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diff
changeset
|
2783 "Invalid maximum code cache size: %s.\n", option->optionString); |
| 0 | 2784 return JNI_EINVAL; |
| 2785 } | |
| 2786 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
|
2787 //-XX:IncreaseFirstTierCompileThresholdAt= |
|
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
parents:
10294
diff
changeset
|
2788 } 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
|
2789 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
|
2790 if (!parse_uintx(tail, &uint_IncreaseFirstTierCompileThresholdAt, 0) || uint_IncreaseFirstTierCompileThresholdAt > 99) { |
|
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
parents:
10294
diff
changeset
|
2791 jio_fprintf(defaultStream::error_stream(), |
|
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
parents:
10294
diff
changeset
|
2792 "Invalid value for IncreaseFirstTierCompileThresholdAt: %s. Should be between 0 and 99.\n", |
|
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
parents:
10294
diff
changeset
|
2793 option->optionString); |
|
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
parents:
10294
diff
changeset
|
2794 return JNI_EINVAL; |
|
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
parents:
10294
diff
changeset
|
2795 } |
|
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
parents:
10294
diff
changeset
|
2796 FLAG_SET_CMDLINE(uintx, IncreaseFirstTierCompileThresholdAt, (uintx)uint_IncreaseFirstTierCompileThresholdAt); |
| 0 | 2797 // -green |
| 2798 } else if (match_option(option, "-green", &tail)) { | |
| 2799 jio_fprintf(defaultStream::error_stream(), | |
| 2800 "Green threads support not available\n"); | |
| 2801 return JNI_EINVAL; | |
| 2802 // -native | |
| 2803 } else if (match_option(option, "-native", &tail)) { | |
| 2804 // HotSpot always uses native threads, ignore silently for compatibility | |
| 2805 // -Xsqnopause | |
| 2806 } else if (match_option(option, "-Xsqnopause", &tail)) { | |
| 2807 // EVM option, ignore silently for compatibility | |
| 2808 // -Xrs | |
| 2809 } else if (match_option(option, "-Xrs", &tail)) { | |
| 2810 // Classic/EVM option, new functionality | |
| 2811 FLAG_SET_CMDLINE(bool, ReduceSignalUsage, true); | |
| 2812 } else if (match_option(option, "-Xusealtsigs", &tail)) { | |
| 2813 // change default internal VM signals used - lower case for back compat | |
| 2814 FLAG_SET_CMDLINE(bool, UseAltSigs, true); | |
| 2815 // -Xoptimize | |
| 2816 } else if (match_option(option, "-Xoptimize", &tail)) { | |
| 2817 // EVM option, ignore silently for compatibility | |
| 2818 // -Xprof | |
| 2819 } else if (match_option(option, "-Xprof", &tail)) { | |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2820 #if INCLUDE_FPROF |
| 0 | 2821 _has_profile = true; |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2822 #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
|
2823 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
|
2824 "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
|
2825 return JNI_ERR; |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2826 #endif // INCLUDE_FPROF |
| 0 | 2827 // -Xconcurrentio |
| 2828 } else if (match_option(option, "-Xconcurrentio", &tail)) { | |
| 2829 FLAG_SET_CMDLINE(bool, UseLWPSynchronization, true); | |
| 2830 FLAG_SET_CMDLINE(bool, BackgroundCompilation, false); | |
| 2831 FLAG_SET_CMDLINE(intx, DeferThrSuspendLoopCount, 1); | |
| 2832 FLAG_SET_CMDLINE(bool, UseTLAB, false); | |
| 2833 FLAG_SET_CMDLINE(uintx, NewSizeThreadIncrease, 16 * K); // 20Kb per thread added to new generation | |
| 2834 | |
| 2835 // -Xinternalversion | |
| 2836 } else if (match_option(option, "-Xinternalversion", &tail)) { | |
| 2837 jio_fprintf(defaultStream::output_stream(), "%s\n", | |
| 2838 VM_Version::internal_vm_info_string()); | |
| 2839 vm_exit(0); | |
| 2840 #ifndef PRODUCT | |
| 2841 // -Xprintflags | |
| 2842 } else if (match_option(option, "-Xprintflags", &tail)) { | |
| 4773 | 2843 CommandLineFlags::printFlags(tty, false); |
| 0 | 2844 vm_exit(0); |
| 2845 #endif | |
| 2846 // -D | |
| 2847 } else if (match_option(option, "-D", &tail)) { | |
| 2848 if (!add_property(tail)) { | |
| 2849 return JNI_ENOMEM; | |
| 2850 } | |
| 2851 // Out of the box management support | |
| 2852 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
|
2853 #if INCLUDE_MANAGEMENT |
| 0 | 2854 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
|
2855 #else |
|
8720
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
2856 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
|
2857 "-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
|
2858 return JNI_ERR; |
|
8081
579f6adb7f51
8003539: Minimal VM don't react to -Dcom.sun.management and -XX:+ManagementServer
jprovino
parents:
8002
diff
changeset
|
2859 #endif |
| 0 | 2860 } |
| 2861 // -Xint | |
| 2862 } else if (match_option(option, "-Xint", &tail)) { | |
| 2863 set_mode_flags(_int); | |
| 2864 // -Xmixed | |
| 2865 } else if (match_option(option, "-Xmixed", &tail)) { | |
| 2866 set_mode_flags(_mixed); | |
| 2867 // -Xcomp | |
| 2868 } else if (match_option(option, "-Xcomp", &tail)) { | |
| 2869 // for testing the compiler; turn off all flags that inhibit compilation | |
| 2870 set_mode_flags(_comp); | |
| 2871 // -Xshare:dump | |
| 2872 } else if (match_option(option, "-Xshare:dump", &tail)) { | |
| 2873 FLAG_SET_CMDLINE(bool, DumpSharedSpaces, true); | |
| 2874 set_mode_flags(_int); // Prevent compilation, which creates objects | |
| 2875 // -Xshare:on | |
| 2876 } else if (match_option(option, "-Xshare:on", &tail)) { | |
| 2877 FLAG_SET_CMDLINE(bool, UseSharedSpaces, true); | |
| 2878 FLAG_SET_CMDLINE(bool, RequireSharedSpaces, true); | |
| 2879 // -Xshare:auto | |
| 2880 } else if (match_option(option, "-Xshare:auto", &tail)) { | |
| 2881 FLAG_SET_CMDLINE(bool, UseSharedSpaces, true); | |
| 2882 FLAG_SET_CMDLINE(bool, RequireSharedSpaces, false); | |
| 2883 // -Xshare:off | |
| 2884 } else if (match_option(option, "-Xshare:off", &tail)) { | |
| 2885 FLAG_SET_CMDLINE(bool, UseSharedSpaces, false); | |
| 2886 FLAG_SET_CMDLINE(bool, RequireSharedSpaces, false); | |
| 2887 // -Xverify | |
| 2888 } else if (match_option(option, "-Xverify", &tail)) { | |
| 2889 if (strcmp(tail, ":all") == 0 || strcmp(tail, "") == 0) { | |
| 2890 FLAG_SET_CMDLINE(bool, BytecodeVerificationLocal, true); | |
| 2891 FLAG_SET_CMDLINE(bool, BytecodeVerificationRemote, true); | |
| 2892 } else if (strcmp(tail, ":remote") == 0) { | |
| 2893 FLAG_SET_CMDLINE(bool, BytecodeVerificationLocal, false); | |
| 2894 FLAG_SET_CMDLINE(bool, BytecodeVerificationRemote, true); | |
| 2895 } else if (strcmp(tail, ":none") == 0) { | |
| 2896 FLAG_SET_CMDLINE(bool, BytecodeVerificationLocal, false); | |
| 2897 FLAG_SET_CMDLINE(bool, BytecodeVerificationRemote, false); | |
| 2898 } else if (is_bad_option(option, args->ignoreUnrecognized, "verification")) { | |
| 2899 return JNI_EINVAL; | |
| 2900 } | |
| 2901 // -Xdebug | |
| 2902 } else if (match_option(option, "-Xdebug", &tail)) { | |
| 2903 // note this flag has been used, then ignore | |
| 2904 set_xdebug_mode(true); | |
| 2905 // -Xnoagent | |
| 2906 } else if (match_option(option, "-Xnoagent", &tail)) { | |
| 2907 // For compatibility with classic. HotSpot refuses to load the old style agent.dll. | |
| 2908 } else if (match_option(option, "-Xboundthreads", &tail)) { | |
| 2909 // Bind user level threads to kernel threads (Solaris only) | |
| 2910 FLAG_SET_CMDLINE(bool, UseBoundThreads, true); | |
| 2911 } else if (match_option(option, "-Xloggc:", &tail)) { | |
| 2912 // Redirect GC output to the file. -Xloggc:<filename> | |
| 2913 // ostream_init_log(), when called will use this filename | |
| 2914 // to initialize a fileStream. | |
| 2915 _gc_log_filename = strdup(tail); | |
| 12215 | 2916 if (!is_filename_valid(_gc_log_filename)) { |
| 2917 jio_fprintf(defaultStream::output_stream(), | |
| 2918 "Invalid file name for use with -Xloggc: Filename can only contain the " | |
| 2919 "characters [A-Z][a-z][0-9]-_.%%[p|t] but it has been %s\n" | |
| 2920 "Note %%p or %%t can only be used once\n", _gc_log_filename); | |
| 2921 return JNI_EINVAL; | |
| 2922 } | |
| 0 | 2923 FLAG_SET_CMDLINE(bool, PrintGC, true); |
| 2924 FLAG_SET_CMDLINE(bool, PrintGCTimeStamps, true); | |
| 2925 | |
| 2926 // JNI hooks | |
| 2927 } else if (match_option(option, "-Xcheck", &tail)) { | |
| 2928 if (!strcmp(tail, ":jni")) { | |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2929 #if !INCLUDE_JNI_CHECK |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2930 warning("JNI CHECKING is not supported in this VM"); |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2931 #else |
| 0 | 2932 CheckJNICalls = true; |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2933 #endif // INCLUDE_JNI_CHECK |
| 0 | 2934 } else if (is_bad_option(option, args->ignoreUnrecognized, |
| 2935 "check")) { | |
| 2936 return JNI_EINVAL; | |
| 2937 } | |
| 2938 } else if (match_option(option, "vfprintf", &tail)) { | |
| 2939 _vfprintf_hook = CAST_TO_FN_PTR(vfprintf_hook_t, option->extraInfo); | |
| 2940 } else if (match_option(option, "exit", &tail)) { | |
| 2941 _exit_hook = CAST_TO_FN_PTR(exit_hook_t, option->extraInfo); | |
| 2942 } else if (match_option(option, "abort", &tail)) { | |
| 2943 _abort_hook = CAST_TO_FN_PTR(abort_hook_t, option->extraInfo); | |
| 2944 // -XX:+AggressiveHeap | |
| 2945 } else if (match_option(option, "-XX:+AggressiveHeap", &tail)) { | |
| 2946 | |
| 2947 // This option inspects the machine and attempts to set various | |
| 2948 // parameters to be optimal for long-running, memory allocation | |
| 2949 // intensive jobs. It is intended for machines with large | |
| 2950 // amounts of cpu and memory. | |
| 2951 | |
| 2952 // initHeapSize is needed since _initial_heap_size is 4 bytes on a 32 bit | |
| 2953 // VM, but we may not be able to represent the total physical memory | |
| 2954 // available (like having 8gb of memory on a box but using a 32bit VM). | |
| 2955 // Thus, we need to make sure we're using a julong for intermediate | |
| 2956 // calculations. | |
| 2957 julong initHeapSize; | |
| 2958 julong total_memory = os::physical_memory(); | |
| 2959 | |
| 2960 if (total_memory < (julong)256*M) { | |
| 2961 jio_fprintf(defaultStream::error_stream(), | |
| 2962 "You need at least 256mb of memory to use -XX:+AggressiveHeap\n"); | |
| 2963 vm_exit(1); | |
| 2964 } | |
| 2965 | |
| 2966 // The heap size is half of available memory, or (at most) | |
| 2967 // all of possible memory less 160mb (leaving room for the OS | |
| 2968 // when using ISM). This is the maximum; because adaptive sizing | |
| 2969 // is turned on below, the actual space used may be smaller. | |
| 2970 | |
| 2971 initHeapSize = MIN2(total_memory / (julong)2, | |
| 2972 total_memory - (julong)160*M); | |
| 2973 | |
|
8854
754c24457b20
7112912: Message "Error occurred during initialization of VM" on boxes with lots of RAM
tschatzl
parents:
8824
diff
changeset
|
2974 initHeapSize = limit_by_allocatable_memory(initHeapSize); |
| 0 | 2975 |
| 2976 if (FLAG_IS_DEFAULT(MaxHeapSize)) { | |
| 2977 FLAG_SET_CMDLINE(uintx, MaxHeapSize, initHeapSize); | |
| 1064 | 2978 FLAG_SET_CMDLINE(uintx, InitialHeapSize, initHeapSize); |
| 0 | 2979 // Currently the minimum size and the initial heap sizes are the same. |
| 1064 | 2980 set_min_heap_size(initHeapSize); |
| 0 | 2981 } |
| 2982 if (FLAG_IS_DEFAULT(NewSize)) { | |
| 2983 // Make the young generation 3/8ths of the total heap. | |
| 2984 FLAG_SET_CMDLINE(uintx, NewSize, | |
| 2985 ((julong)MaxHeapSize / (julong)8) * (julong)3); | |
| 2986 FLAG_SET_CMDLINE(uintx, MaxNewSize, NewSize); | |
| 2987 } | |
| 2988 | |
|
6917
e81fbc04a942
7191817: -XX:+UseSerialGC -XX:+UseLargePages crashes with SIGFPE on MacOS X
coleenp
parents:
6916
diff
changeset
|
2989 #ifndef _ALLBSD_SOURCE // UseLargePages is not yet supported on BSD. |
| 0 | 2990 FLAG_SET_DEFAULT(UseLargePages, true); |
|
6917
e81fbc04a942
7191817: -XX:+UseSerialGC -XX:+UseLargePages crashes with SIGFPE on MacOS X
coleenp
parents:
6916
diff
changeset
|
2991 #endif |
| 0 | 2992 |
| 2993 // Increase some data structure sizes for efficiency | |
| 2994 FLAG_SET_CMDLINE(uintx, BaseFootPrintEstimate, MaxHeapSize); | |
| 2995 FLAG_SET_CMDLINE(bool, ResizeTLAB, false); | |
| 2996 FLAG_SET_CMDLINE(uintx, TLABSize, 256*K); | |
| 2997 | |
| 2998 // See the OldPLABSize comment below, but replace 'after promotion' | |
| 2999 // with 'after copying'. YoungPLABSize is the size of the survivor | |
| 3000 // space per-gc-thread buffers. The default is 4kw. | |
| 3001 FLAG_SET_CMDLINE(uintx, YoungPLABSize, 256*K); // Note: this is in words | |
| 3002 | |
| 3003 // OldPLABSize is the size of the buffers in the old gen that | |
| 3004 // UseParallelGC uses to promote live data that doesn't fit in the | |
| 3005 // survivor spaces. At any given time, there's one for each gc thread. | |
| 3006 // The default size is 1kw. These buffers are rarely used, since the | |
| 3007 // survivor spaces are usually big enough. For specjbb, however, there | |
| 3008 // are occasions when there's lots of live data in the young gen | |
| 3009 // and we end up promoting some of it. We don't have a definite | |
| 3010 // explanation for why bumping OldPLABSize helps, but the theory | |
| 3011 // is that a bigger PLAB results in retaining something like the | |
| 3012 // original allocation order after promotion, which improves mutator | |
| 3013 // locality. A minor effect may be that larger PLABs reduce the | |
| 3014 // number of PLAB allocation events during gc. The value of 8kw | |
| 3015 // was arrived at by experimenting with specjbb. | |
| 3016 FLAG_SET_CMDLINE(uintx, OldPLABSize, 8*K); // Note: this is in words | |
| 3017 | |
| 3018 // Enable parallel GC and adaptive generation sizing | |
| 3019 FLAG_SET_CMDLINE(bool, UseParallelGC, true); | |
|
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
3020 FLAG_SET_DEFAULT(ParallelGCThreads, |
|
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
3021 Abstract_VM_Version::parallel_worker_threads()); |
| 0 | 3022 |
| 3023 // Encourage steady state memory management | |
| 3024 FLAG_SET_CMDLINE(uintx, ThresholdTolerance, 100); | |
| 3025 | |
| 3026 // This appears to improve mutator locality | |
| 3027 FLAG_SET_CMDLINE(bool, ScavengeBeforeFullGC, false); | |
| 3028 | |
| 3029 // Get around early Solaris scheduling bug | |
| 3030 // (affinity vs other jobs on system) | |
| 3031 // but disallow DR and offlining (5008695). | |
| 3032 FLAG_SET_CMDLINE(bool, BindGCTaskThreadsToCPUs, true); | |
| 3033 | |
| 3034 } else if (match_option(option, "-XX:+NeverTenure", &tail)) { | |
| 3035 // The last option must always win. | |
| 3036 FLAG_SET_CMDLINE(bool, AlwaysTenure, false); | |
| 3037 FLAG_SET_CMDLINE(bool, NeverTenure, true); | |
| 3038 } else if (match_option(option, "-XX:+AlwaysTenure", &tail)) { | |
| 3039 // The last option must always win. | |
| 3040 FLAG_SET_CMDLINE(bool, NeverTenure, false); | |
| 3041 FLAG_SET_CMDLINE(bool, AlwaysTenure, true); | |
| 3042 } else if (match_option(option, "-XX:+CMSPermGenSweepingEnabled", &tail) || | |
| 3043 match_option(option, "-XX:-CMSPermGenSweepingEnabled", &tail)) { | |
| 3044 jio_fprintf(defaultStream::error_stream(), | |
| 3045 "Please use CMSClassUnloadingEnabled in place of " | |
| 3046 "CMSPermGenSweepingEnabled in the future\n"); | |
| 3047 } else if (match_option(option, "-XX:+UseGCTimeLimit", &tail)) { | |
| 3048 FLAG_SET_CMDLINE(bool, UseGCOverheadLimit, true); | |
| 3049 jio_fprintf(defaultStream::error_stream(), | |
| 3050 "Please use -XX:+UseGCOverheadLimit in place of " | |
| 3051 "-XX:+UseGCTimeLimit in the future\n"); | |
| 3052 } else if (match_option(option, "-XX:-UseGCTimeLimit", &tail)) { | |
| 3053 FLAG_SET_CMDLINE(bool, UseGCOverheadLimit, false); | |
| 3054 jio_fprintf(defaultStream::error_stream(), | |
| 3055 "Please use -XX:-UseGCOverheadLimit in place of " | |
| 3056 "-XX:-UseGCTimeLimit in the future\n"); | |
| 3057 // The TLE options are for compatibility with 1.3 and will be | |
| 3058 // removed without notice in a future release. These options | |
| 3059 // are not to be documented. | |
| 3060 } else if (match_option(option, "-XX:MaxTLERatio=", &tail)) { | |
| 3061 // No longer used. | |
| 3062 } else if (match_option(option, "-XX:+ResizeTLE", &tail)) { | |
| 3063 FLAG_SET_CMDLINE(bool, ResizeTLAB, true); | |
| 3064 } else if (match_option(option, "-XX:-ResizeTLE", &tail)) { | |
| 3065 FLAG_SET_CMDLINE(bool, ResizeTLAB, false); | |
| 3066 } else if (match_option(option, "-XX:+PrintTLE", &tail)) { | |
| 3067 FLAG_SET_CMDLINE(bool, PrintTLAB, true); | |
| 3068 } else if (match_option(option, "-XX:-PrintTLE", &tail)) { | |
| 3069 FLAG_SET_CMDLINE(bool, PrintTLAB, false); | |
| 3070 } else if (match_option(option, "-XX:TLEFragmentationRatio=", &tail)) { | |
| 3071 // No longer used. | |
| 3072 } else if (match_option(option, "-XX:TLESize=", &tail)) { | |
|
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
3073 julong long_tlab_size = 0; |
| 0 | 3074 ArgsRange errcode = parse_memory_size(tail, &long_tlab_size, 1); |
| 3075 if (errcode != arg_in_range) { | |
| 3076 jio_fprintf(defaultStream::error_stream(), | |
| 3077 "Invalid TLAB size: %s\n", option->optionString); | |
| 3078 describe_range_error(errcode); | |
| 3079 return JNI_EINVAL; | |
| 3080 } | |
| 3081 FLAG_SET_CMDLINE(uintx, TLABSize, long_tlab_size); | |
| 3082 } else if (match_option(option, "-XX:TLEThreadRatio=", &tail)) { | |
| 3083 // No longer used. | |
| 3084 } else if (match_option(option, "-XX:+UseTLE", &tail)) { | |
| 3085 FLAG_SET_CMDLINE(bool, UseTLAB, true); | |
| 3086 } else if (match_option(option, "-XX:-UseTLE", &tail)) { | |
| 3087 FLAG_SET_CMDLINE(bool, UseTLAB, false); | |
| 3088 } else if (match_option(option, "-XX:+DisplayVMOutputToStderr", &tail)) { | |
| 3089 FLAG_SET_CMDLINE(bool, DisplayVMOutputToStdout, false); | |
| 3090 FLAG_SET_CMDLINE(bool, DisplayVMOutputToStderr, true); | |
| 3091 } else if (match_option(option, "-XX:+DisplayVMOutputToStdout", &tail)) { | |
| 3092 FLAG_SET_CMDLINE(bool, DisplayVMOutputToStderr, false); | |
| 3093 FLAG_SET_CMDLINE(bool, DisplayVMOutputToStdout, true); | |
| 3094 } else if (match_option(option, "-XX:+ExtendedDTraceProbes", &tail)) { | |
| 4006 | 3095 #if defined(DTRACE_ENABLED) |
| 0 | 3096 FLAG_SET_CMDLINE(bool, ExtendedDTraceProbes, true); |
| 3097 FLAG_SET_CMDLINE(bool, DTraceMethodProbes, true); | |
| 3098 FLAG_SET_CMDLINE(bool, DTraceAllocProbes, true); | |
| 3099 FLAG_SET_CMDLINE(bool, DTraceMonitorProbes, true); | |
| 4006 | 3100 #else // defined(DTRACE_ENABLED) |
| 0 | 3101 jio_fprintf(defaultStream::error_stream(), |
| 4006 | 3102 "ExtendedDTraceProbes flag is not applicable for this configuration\n"); |
| 0 | 3103 return JNI_EINVAL; |
| 4006 | 3104 #endif // defined(DTRACE_ENABLED) |
| 0 | 3105 #ifdef ASSERT |
|
1145
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3106 } else if (match_option(option, "-XX:+FullGCALot", &tail)) { |
| 0 | 3107 FLAG_SET_CMDLINE(bool, FullGCALot, true); |
| 3108 // disable scavenge before parallel mark-compact | |
| 3109 FLAG_SET_CMDLINE(bool, ScavengeBeforeFullGC, false); | |
| 3110 #endif | |
|
1145
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3111 } else if (match_option(option, "-XX:CMSParPromoteBlocksToClaim=", &tail)) { |
| 0 | 3112 julong cms_blocks_to_claim = (julong)atol(tail); |
| 3113 FLAG_SET_CMDLINE(uintx, CMSParPromoteBlocksToClaim, cms_blocks_to_claim); | |
| 3114 jio_fprintf(defaultStream::error_stream(), | |
|
1145
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3115 "Please use -XX:OldPLABSize in place of " |
|
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3116 "-XX:CMSParPromoteBlocksToClaim in the future\n"); |
|
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3117 } else if (match_option(option, "-XX:ParCMSPromoteBlocksToClaim=", &tail)) { |
|
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3118 julong cms_blocks_to_claim = (julong)atol(tail); |
|
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3119 FLAG_SET_CMDLINE(uintx, CMSParPromoteBlocksToClaim, cms_blocks_to_claim); |
|
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3120 jio_fprintf(defaultStream::error_stream(), |
|
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3121 "Please use -XX:OldPLABSize in place of " |
| 0 | 3122 "-XX:ParCMSPromoteBlocksToClaim in the future\n"); |
|
1145
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3123 } else if (match_option(option, "-XX:ParallelGCOldGenAllocBufferSize=", &tail)) { |
|
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
3124 julong old_plab_size = 0; |
| 0 | 3125 ArgsRange errcode = parse_memory_size(tail, &old_plab_size, 1); |
| 3126 if (errcode != arg_in_range) { | |
| 3127 jio_fprintf(defaultStream::error_stream(), | |
| 3128 "Invalid old PLAB size: %s\n", option->optionString); | |
| 3129 describe_range_error(errcode); | |
| 3130 return JNI_EINVAL; | |
| 3131 } | |
|
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
3132 FLAG_SET_CMDLINE(uintx, OldPLABSize, old_plab_size); |
| 0 | 3133 jio_fprintf(defaultStream::error_stream(), |
| 3134 "Please use -XX:OldPLABSize in place of " | |
| 3135 "-XX:ParallelGCOldGenAllocBufferSize in the future\n"); | |
|
1145
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3136 } else if (match_option(option, "-XX:ParallelGCToSpaceAllocBufferSize=", &tail)) { |
|
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
3137 julong young_plab_size = 0; |
| 0 | 3138 ArgsRange errcode = parse_memory_size(tail, &young_plab_size, 1); |
| 3139 if (errcode != arg_in_range) { | |
| 3140 jio_fprintf(defaultStream::error_stream(), | |
| 3141 "Invalid young PLAB size: %s\n", option->optionString); | |
| 3142 describe_range_error(errcode); | |
| 3143 return JNI_EINVAL; | |
| 3144 } | |
|
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
3145 FLAG_SET_CMDLINE(uintx, YoungPLABSize, young_plab_size); |
| 0 | 3146 jio_fprintf(defaultStream::error_stream(), |
| 3147 "Please use -XX:YoungPLABSize in place of " | |
| 3148 "-XX:ParallelGCToSpaceAllocBufferSize in the future\n"); | |
| 1284 | 3149 } else if (match_option(option, "-XX:CMSMarkStackSize=", &tail) || |
| 3150 match_option(option, "-XX:G1MarkStackSize=", &tail)) { | |
| 3151 julong stack_size = 0; | |
| 3152 ArgsRange errcode = parse_memory_size(tail, &stack_size, 1); | |
| 3153 if (errcode != arg_in_range) { | |
| 3154 jio_fprintf(defaultStream::error_stream(), | |
| 3155 "Invalid mark stack size: %s\n", option->optionString); | |
| 3156 describe_range_error(errcode); | |
| 3157 return JNI_EINVAL; | |
| 3158 } | |
| 3159 FLAG_SET_CMDLINE(uintx, MarkStackSize, stack_size); | |
| 3160 } else if (match_option(option, "-XX:CMSMarkStackSizeMax=", &tail)) { | |
| 3161 julong max_stack_size = 0; | |
| 3162 ArgsRange errcode = parse_memory_size(tail, &max_stack_size, 1); | |
| 3163 if (errcode != arg_in_range) { | |
| 3164 jio_fprintf(defaultStream::error_stream(), | |
| 3165 "Invalid maximum mark stack size: %s\n", | |
| 3166 option->optionString); | |
| 3167 describe_range_error(errcode); | |
| 3168 return JNI_EINVAL; | |
| 3169 } | |
| 3170 FLAG_SET_CMDLINE(uintx, MarkStackSizeMax, max_stack_size); | |
| 3171 } else if (match_option(option, "-XX:ParallelMarkingThreads=", &tail) || | |
| 3172 match_option(option, "-XX:ParallelCMSThreads=", &tail)) { | |
| 3173 uintx conc_threads = 0; | |
| 3174 if (!parse_uintx(tail, &conc_threads, 1)) { | |
| 3175 jio_fprintf(defaultStream::error_stream(), | |
| 3176 "Invalid concurrent threads: %s\n", option->optionString); | |
| 3177 return JNI_EINVAL; | |
| 3178 } | |
| 3179 FLAG_SET_CMDLINE(uintx, ConcGCThreads, conc_threads); | |
|
6199
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3180 } else if (match_option(option, "-XX:MaxDirectMemorySize=", &tail)) { |
|
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3181 julong max_direct_memory_size = 0; |
|
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3182 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
|
3183 if (errcode != arg_in_range) { |
|
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3184 jio_fprintf(defaultStream::error_stream(), |
|
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3185 "Invalid maximum direct memory size: %s\n", |
|
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3186 option->optionString); |
|
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3187 describe_range_error(errcode); |
|
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3188 return JNI_EINVAL; |
|
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3189 } |
|
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3190 FLAG_SET_CMDLINE(uintx, MaxDirectMemorySize, max_direct_memory_size); |
|
6878
85916677fc22
7188233: UseVMInterruptibleIO flag deprecate for JDK8
coleenp
parents:
6857
diff
changeset
|
3191 } else if (match_option(option, "-XX:+UseVMInterruptibleIO", &tail)) { |
|
85916677fc22
7188233: UseVMInterruptibleIO flag deprecate for JDK8
coleenp
parents:
6857
diff
changeset
|
3192 // NOTE! In JDK 9, the UseVMInterruptibleIO flag will completely go |
|
85916677fc22
7188233: UseVMInterruptibleIO flag deprecate for JDK8
coleenp
parents:
6857
diff
changeset
|
3193 // away and will cause VM initialization failures! |
|
85916677fc22
7188233: UseVMInterruptibleIO flag deprecate for JDK8
coleenp
parents:
6857
diff
changeset
|
3194 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
|
3195 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
|
3196 #if !INCLUDE_MANAGEMENT |
|
579f6adb7f51
8003539: Minimal VM don't react to -Dcom.sun.management and -XX:+ManagementServer
jprovino
parents:
8002
diff
changeset
|
3197 } 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
|
3198 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
|
3199 "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
|
3200 return JNI_ERR; |
|
8081
579f6adb7f51
8003539: Minimal VM don't react to -Dcom.sun.management and -XX:+ManagementServer
jprovino
parents:
8002
diff
changeset
|
3201 #endif // INCLUDE_MANAGEMENT |
|
1145
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3202 } else if (match_option(option, "-XX:", &tail)) { // -XX:xxxx |
| 0 | 3203 // Skip -XX:Flags= since that case has already been handled |
| 3204 if (strncmp(tail, "Flags=", strlen("Flags=")) != 0) { | |
| 3205 if (!process_argument(tail, args->ignoreUnrecognized, origin)) { | |
| 3206 return JNI_EINVAL; | |
| 3207 } | |
| 3208 } | |
|
4559
723df37192d6
Make it possible again to build a real client libjvm, drop the UseGraal flag.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
4350
diff
changeset
|
3209 } |
|
723df37192d6
Make it possible again to build a real client libjvm, drop the UseGraal flag.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
4350
diff
changeset
|
3210 #ifdef GRAAL |
|
723df37192d6
Make it possible again to build a real client libjvm, drop the UseGraal flag.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
4350
diff
changeset
|
3211 else if (match_option(option, "-G:", &tail)) { // -G:XXX |
|
7125
1baf7f1e3f23
decoupled C++ Graal runtime from C1
Doug Simon <doug.simon@oracle.com>
parents:
7066
diff
changeset
|
3212 // Option for the Graal compiler. |
|
1437
9e5e83ca2259
Enabled -C1X:OPTIONS when running HotSpot/C1X. Enabled checkstyle for the HotSpotVM Java project.
Thomas Wuerthinger <wuerthinger@ssw.jku.at>
parents:
1356
diff
changeset
|
3213 if (PrintVMOptions) { |
|
7125
1baf7f1e3f23
decoupled C++ Graal runtime from C1
Doug Simon <doug.simon@oracle.com>
parents:
7066
diff
changeset
|
3214 tty->print_cr("Graal option %s", tail); |
|
1437
9e5e83ca2259
Enabled -C1X:OPTIONS when running HotSpot/C1X. Enabled checkstyle for the HotSpotVM Java project.
Thomas Wuerthinger <wuerthinger@ssw.jku.at>
parents:
1356
diff
changeset
|
3215 } |
|
2891
75a99b4f1c98
Rebranded C++ part from C1X to Graal.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2873
diff
changeset
|
3216 Arguments::add_graal_arg(tail); |
|
1437
9e5e83ca2259
Enabled -C1X:OPTIONS when running HotSpot/C1X. Enabled checkstyle for the HotSpotVM Java project.
Thomas Wuerthinger <wuerthinger@ssw.jku.at>
parents:
1356
diff
changeset
|
3217 |
| 0 | 3218 // Unknown option |
|
4559
723df37192d6
Make it possible again to build a real client libjvm, drop the UseGraal flag.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
4350
diff
changeset
|
3219 } |
|
723df37192d6
Make it possible again to build a real client libjvm, drop the UseGraal flag.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
4350
diff
changeset
|
3220 #endif |
|
723df37192d6
Make it possible again to build a real client libjvm, drop the UseGraal flag.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
4350
diff
changeset
|
3221 else if (is_bad_option(option, args->ignoreUnrecognized)) { |
| 0 | 3222 return JNI_ERR; |
| 3223 } | |
| 3224 } | |
|
3767
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
3225 |
|
449
171e581e8161
6554406: Change switch UseVMInterruptibleIO default to false (sol)
xlu
parents:
420
diff
changeset
|
3226 // 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
|
3227 // when working with older JDKs. |
|
1679
3d90023429ec
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
1628
diff
changeset
|
3228 #ifdef LINUX |
|
3d90023429ec
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
1628
diff
changeset
|
3229 if (JDK_Version::current().compare_major(6) <= 0 && |
|
3d90023429ec
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
1628
diff
changeset
|
3230 FLAG_IS_DEFAULT(UseLinuxPosixThreadCPUClocks)) { |
|
3d90023429ec
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
1628
diff
changeset
|
3231 FLAG_SET_DEFAULT(UseLinuxPosixThreadCPUClocks, false); |
|
3d90023429ec
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
1628
diff
changeset
|
3232 } |
|
3d90023429ec
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
1628
diff
changeset
|
3233 #endif // LINUX |
| 0 | 3234 return JNI_OK; |
| 3235 } | |
| 3236 | |
| 3237 jint Arguments::finalize_vm_init_args(SysClassPath* scp_p, bool scp_assembly_required) { | |
| 3238 // This must be done after all -D arguments have been processed. | |
| 3239 scp_p->expand_endorsed(); | |
| 3240 | |
| 3241 if (scp_assembly_required || scp_p->get_endorsed() != NULL) { | |
| 3242 // Assemble the bootclasspath elements into the final path. | |
| 3243 Arguments::set_sysclasspath(scp_p->combined_path()); | |
| 3244 } | |
| 3245 | |
| 3246 // This must be done after all arguments have been processed. | |
| 3247 // java_compiler() true means set to "NONE" or empty. | |
| 3248 if (java_compiler() && !xdebug_mode()) { | |
| 3249 // For backwards compatibility, we switch to interpreted mode if | |
| 3250 // -Djava.compiler="NONE" or "" is specified AND "-Xdebug" was | |
| 3251 // not specified. | |
| 3252 set_mode_flags(_int); | |
| 3253 } | |
| 3254 if (CompileThreshold == 0) { | |
| 3255 set_mode_flags(_int); | |
| 3256 } | |
| 3257 | |
|
10292
acac2b03a07f
8014765: VM exits if MaxTenuringThreshold is set below the default InitialTenuringThreshold, and InitialTenuringThreshold is not set
tschatzl
parents:
10287
diff
changeset
|
3258 // 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
|
3259 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
|
3260 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
|
3261 } |
|
acac2b03a07f
8014765: VM exits if MaxTenuringThreshold is set below the default InitialTenuringThreshold, and InitialTenuringThreshold is not set
tschatzl
parents:
10287
diff
changeset
|
3262 |
| 0 | 3263 #ifndef COMPILER2 |
| 3264 // Don't degrade server performance for footprint | |
| 3265 if (FLAG_IS_DEFAULT(UseLargePages) && | |
| 3266 MaxHeapSize < LargePageHeapSizeThreshold) { | |
| 3267 // No need for large granularity pages w/small heaps. | |
| 3268 // Note that large pages are enabled/disabled for both the | |
| 3269 // Java heap and the code cache. | |
| 3270 FLAG_SET_DEFAULT(UseLargePages, false); | |
| 3271 } | |
|
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
3272 |
| 0 | 3273 #else |
| 3274 if (!FLAG_IS_DEFAULT(OptoLoopAlignment) && FLAG_IS_DEFAULT(MaxLoopPad)) { | |
| 3275 FLAG_SET_DEFAULT(MaxLoopPad, OptoLoopAlignment-1); | |
| 3276 } | |
| 3277 #endif | |
| 3278 | |
|
11999
79a5283f4595
8021120: TieredCompilation can be enabled even if TIERED is undefined
iignatyev
parents:
11154
diff
changeset
|
3279 #ifndef TIERED |
|
79a5283f4595
8021120: TieredCompilation can be enabled even if TIERED is undefined
iignatyev
parents:
11154
diff
changeset
|
3280 // Tiered compilation is undefined. |
|
79a5283f4595
8021120: TieredCompilation can be enabled even if TIERED is undefined
iignatyev
parents:
11154
diff
changeset
|
3281 UNSUPPORTED_OPTION(TieredCompilation, "TieredCompilation"); |
|
79a5283f4595
8021120: TieredCompilation can be enabled even if TIERED is undefined
iignatyev
parents:
11154
diff
changeset
|
3282 #endif |
|
79a5283f4595
8021120: TieredCompilation can be enabled even if TIERED is undefined
iignatyev
parents:
11154
diff
changeset
|
3283 |
|
1681
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3284 // 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
|
3285 // to be true unless the property has already been set. |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3286 // 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
|
3287 if (os::is_headless_jre()) { |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3288 const char* headless = Arguments::get_property("java.awt.headless"); |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3289 if (headless == NULL) { |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3290 char envbuffer[128]; |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3291 if (!os::getenv("JAVA_AWT_HEADLESS", envbuffer, sizeof(envbuffer))) { |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3292 if (!add_property("java.awt.headless=true")) { |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3293 return JNI_ENOMEM; |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3294 } |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3295 } else { |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3296 char buffer[256]; |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3297 strcpy(buffer, "java.awt.headless="); |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3298 strcat(buffer, envbuffer); |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3299 if (!add_property(buffer)) { |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3300 return JNI_ENOMEM; |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3301 } |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3302 } |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3303 } |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3304 } |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3305 |
| 0 | 3306 if (!check_vm_args_consistency()) { |
| 3307 return JNI_ERR; | |
| 3308 } | |
| 3309 | |
| 3310 return JNI_OK; | |
| 3311 } | |
| 3312 | |
| 3313 jint Arguments::parse_java_options_environment_variable(SysClassPath* scp_p, bool* scp_assembly_required_p) { | |
| 3314 return parse_options_environment_variable("_JAVA_OPTIONS", scp_p, | |
| 3315 scp_assembly_required_p); | |
| 3316 } | |
| 3317 | |
| 3318 jint Arguments::parse_java_tool_options_environment_variable(SysClassPath* scp_p, bool* scp_assembly_required_p) { | |
| 3319 return parse_options_environment_variable("JAVA_TOOL_OPTIONS", scp_p, | |
| 3320 scp_assembly_required_p); | |
| 3321 } | |
| 3322 | |
| 3323 jint Arguments::parse_options_environment_variable(const char* name, SysClassPath* scp_p, bool* scp_assembly_required_p) { | |
| 3324 const int N_MAX_OPTIONS = 64; | |
| 3325 const int OPTION_BUFFER_SIZE = 1024; | |
| 3326 char buffer[OPTION_BUFFER_SIZE]; | |
| 3327 | |
| 3328 // The variable will be ignored if it exceeds the length of the buffer. | |
| 3329 // Don't check this variable if user has special privileges | |
| 3330 // (e.g. unix su command). | |
| 3331 if (os::getenv(name, buffer, sizeof(buffer)) && | |
| 3332 !os::have_special_privileges()) { | |
| 3333 JavaVMOption options[N_MAX_OPTIONS]; // Construct option array | |
| 3334 jio_fprintf(defaultStream::error_stream(), | |
| 3335 "Picked up %s: %s\n", name, buffer); | |
| 3336 char* rd = buffer; // pointer to the input string (rd) | |
| 3337 int i; | |
| 3338 for (i = 0; i < N_MAX_OPTIONS;) { // repeat for all options in the input string | |
| 3339 while (isspace(*rd)) rd++; // skip whitespace | |
| 3340 if (*rd == 0) break; // we re done when the input string is read completely | |
| 3341 | |
| 3342 // The output, option string, overwrites the input string. | |
| 3343 // Because of quoting, the pointer to the option string (wrt) may lag the pointer to | |
| 3344 // input string (rd). | |
| 3345 char* wrt = rd; | |
| 3346 | |
| 3347 options[i++].optionString = wrt; // Fill in option | |
| 3348 while (*rd != 0 && !isspace(*rd)) { // unquoted strings terminate with a space or NULL | |
| 3349 if (*rd == '\'' || *rd == '"') { // handle a quoted string | |
| 3350 int quote = *rd; // matching quote to look for | |
| 3351 rd++; // don't copy open quote | |
| 3352 while (*rd != quote) { // include everything (even spaces) up until quote | |
| 3353 if (*rd == 0) { // string termination means unmatched string | |
| 3354 jio_fprintf(defaultStream::error_stream(), | |
| 3355 "Unmatched quote in %s\n", name); | |
| 3356 return JNI_ERR; | |
| 3357 } | |
| 3358 *wrt++ = *rd++; // copy to option string | |
| 3359 } | |
| 3360 rd++; // don't copy close quote | |
| 3361 } else { | |
| 3362 *wrt++ = *rd++; // copy to option string | |
| 3363 } | |
| 3364 } | |
| 3365 // Need to check if we're done before writing a NULL, | |
| 3366 // because the write could be to the byte that rd is pointing to. | |
| 3367 if (*rd++ == 0) { | |
| 3368 *wrt = 0; | |
| 3369 break; | |
| 3370 } | |
| 3371 *wrt = 0; // Zero terminate option | |
| 3372 } | |
| 3373 // Construct JavaVMInitArgs structure and parse as if it was part of the command line | |
| 3374 JavaVMInitArgs vm_args; | |
| 3375 vm_args.version = JNI_VERSION_1_2; | |
| 3376 vm_args.options = options; | |
| 3377 vm_args.nOptions = i; | |
| 564 | 3378 vm_args.ignoreUnrecognized = IgnoreUnrecognizedVMOptions; |
| 0 | 3379 |
| 3380 if (PrintVMOptions) { | |
| 3381 const char* tail; | |
| 3382 for (int i = 0; i < vm_args.nOptions; i++) { | |
| 3383 const JavaVMOption *option = vm_args.options + i; | |
| 3384 if (match_option(option, "-XX:", &tail)) { | |
| 3385 logOption(tail); | |
| 3386 } | |
| 3387 } | |
| 3388 } | |
| 3389 | |
|
12322
72b7e96c1922
8024545: make develop and notproduct flag values available in product builds
twisti
parents:
12269
diff
changeset
|
3390 return(parse_each_vm_init_arg(&vm_args, scp_p, scp_assembly_required_p, Flag::ENVIRON_VAR)); |
| 0 | 3391 } |
| 3392 return JNI_OK; | |
| 3393 } | |
| 3394 | |
|
2362
a2c2eac1ca62
7018056: large pages not always enabled by default
jcoomes
parents:
2302
diff
changeset
|
3395 void Arguments::set_shared_spaces_flags() { |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3396 if (DumpSharedSpaces) { |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3397 if (RequireSharedSpaces) { |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3398 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
|
3399 } |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3400 UseSharedSpaces = false; |
|
12056
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
3401 #ifdef _LP64 |
|
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
3402 if (!UseCompressedOops || !UseCompressedClassPointers) { |
|
12056
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
3403 vm_exit_during_initialization( |
|
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
3404 "Cannot dump shared archive when UseCompressedOops or UseCompressedClassPointers is off.", NULL); |
|
12056
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
3405 } |
|
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
3406 } else { |
|
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
3407 // UseCompressedOops and UseCompressedClassPointers must be on for UseSharedSpaces. |
|
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
3408 if (!UseCompressedOops || !UseCompressedClassPointers) { |
|
12056
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
3409 no_shared_spaces(); |
|
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
3410 } |
|
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
3411 #endif |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3412 } |
|
2362
a2c2eac1ca62
7018056: large pages not always enabled by default
jcoomes
parents:
2302
diff
changeset
|
3413 } |
|
1891
9de67bf4244d
6996136: VM crash in src/share/vm/runtime/virtualspace.cpp:424
iveresov
parents:
1890
diff
changeset
|
3414 |
|
9060
cc32ccaaf47f
8003310: Enable -Wunused-function when compiling with gcc
mikael
parents:
8847
diff
changeset
|
3415 #if !INCLUDE_ALL_GCS |
|
8086
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3416 static void force_serial_gc() { |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3417 FLAG_SET_DEFAULT(UseSerialGC, true); |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3418 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
|
3419 UNSUPPORTED_GC_OPTION(UseG1GC); |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3420 UNSUPPORTED_GC_OPTION(UseParallelGC); |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3421 UNSUPPORTED_GC_OPTION(UseParallelOldGC); |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3422 UNSUPPORTED_GC_OPTION(UseConcMarkSweepGC); |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3423 UNSUPPORTED_GC_OPTION(UseParNewGC); |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3424 } |
|
9060
cc32ccaaf47f
8003310: Enable -Wunused-function when compiling with gcc
mikael
parents:
8847
diff
changeset
|
3425 #endif // INCLUDE_ALL_GCS |
|
8086
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3426 |
|
10270
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3427 // Sharing support |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3428 // Construct the path to the archive |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3429 static char* get_shared_archive_path() { |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3430 char *shared_archive_path; |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3431 if (SharedArchiveFile == NULL) { |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3432 char jvm_path[JVM_MAXPATHLEN]; |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3433 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
|
3434 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
|
3435 if (end != NULL) *end = '\0'; |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3436 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
|
3437 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
|
3438 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
|
3439 file_sep_len + 20, mtInternal); |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3440 if (shared_archive_path != NULL) { |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3441 strncpy(shared_archive_path, jvm_path, jvm_path_len + 1); |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3442 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
|
3443 strncat(shared_archive_path, "classes.jsa", 11); |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3444 } |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3445 } else { |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3446 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
|
3447 if (shared_archive_path != NULL) { |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3448 strncpy(shared_archive_path, SharedArchiveFile, strlen(SharedArchiveFile) + 1); |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3449 } |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3450 } |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3451 return shared_archive_path; |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3452 } |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3453 |
|
12257
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3454 #ifndef PRODUCT |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3455 // Determine whether LogVMOutput should be implicitly turned on. |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3456 static bool use_vm_log() { |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3457 if (LogCompilation || !FLAG_IS_DEFAULT(LogFile) || |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3458 PrintCompilation || PrintInlining || PrintDependencies || PrintNativeNMethods || |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3459 PrintDebugInfo || PrintRelocations || PrintNMethods || PrintExceptionHandlers || |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3460 PrintAssembly || TraceDeoptimization || TraceDependencies || |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3461 (VerifyDependencies && FLAG_IS_CMDLINE(VerifyDependencies))) { |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3462 return true; |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3463 } |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3464 |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3465 #ifdef COMPILER1 |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3466 if (PrintC1Statistics) { |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3467 return true; |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3468 } |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3469 #endif // COMPILER1 |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3470 |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3471 #ifdef COMPILER2 |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3472 if (PrintOptoAssembly || PrintOptoStatistics) { |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3473 return true; |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3474 } |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3475 #endif // COMPILER2 |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3476 |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3477 return false; |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3478 } |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3479 #endif // PRODUCT |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3480 |
| 0 | 3481 // Parse entry point called from JNI_CreateJavaVM |
| 3482 | |
| 3483 jint Arguments::parse(const JavaVMInitArgs* args) { | |
| 3484 | |
| 3485 // Remaining part of option string | |
| 3486 const char* tail; | |
| 3487 | |
| 3488 // 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
|
3489 const char* hotspotrc = ".hotspotrc"; |
| 0 | 3490 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
|
3491 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
|
3492 |
| 564 | 3493 const char* flags_file; |
| 0 | 3494 int index; |
| 3495 for (index = 0; index < args->nOptions; index++) { | |
| 3496 const JavaVMOption *option = args->options + index; | |
| 3497 if (match_option(option, "-XX:Flags=", &tail)) { | |
| 564 | 3498 flags_file = tail; |
| 0 | 3499 settings_file_specified = true; |
| 3500 } | |
| 3501 if (match_option(option, "-XX:+PrintVMOptions", &tail)) { | |
| 3502 PrintVMOptions = true; | |
| 3503 } | |
|
253
b0fe4deeb9fb
6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.")
kvn
parents:
196
diff
changeset
|
3504 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
|
3505 PrintVMOptions = false; |
|
b0fe4deeb9fb
6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.")
kvn
parents:
196
diff
changeset
|
3506 } |
| 564 | 3507 if (match_option(option, "-XX:+IgnoreUnrecognizedVMOptions", &tail)) { |
| 3508 IgnoreUnrecognizedVMOptions = true; | |
| 3509 } | |
| 3510 if (match_option(option, "-XX:-IgnoreUnrecognizedVMOptions", &tail)) { | |
| 3511 IgnoreUnrecognizedVMOptions = false; | |
| 3512 } | |
| 1150 | 3513 if (match_option(option, "-XX:+PrintFlagsInitial", &tail)) { |
| 4773 | 3514 CommandLineFlags::printFlags(tty, false); |
| 1150 | 3515 vm_exit(0); |
| 3516 } | |
| 6197 | 3517 if (match_option(option, "-XX:NativeMemoryTracking", &tail)) { |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3518 #if INCLUDE_NMT |
| 6197 | 3519 MemTracker::init_tracking_options(tail); |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3520 #else |
|
8720
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
3521 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
|
3522 "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
|
3523 return JNI_ERR; |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3524 #endif |
| 6197 | 3525 } |
| 3526 | |
|
1768
6ee479178066
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
1745
diff
changeset
|
3527 |
|
6ee479178066
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
1745
diff
changeset
|
3528 #ifndef PRODUCT |
|
6ee479178066
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
1745
diff
changeset
|
3529 if (match_option(option, "-XX:+PrintFlagsWithComments", &tail)) { |
| 4773 | 3530 CommandLineFlags::printFlags(tty, true); |
|
1768
6ee479178066
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
1745
diff
changeset
|
3531 vm_exit(0); |
|
6ee479178066
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
1745
diff
changeset
|
3532 } |
|
6ee479178066
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
1745
diff
changeset
|
3533 #endif |
| 564 | 3534 } |
| 3535 | |
| 3536 if (IgnoreUnrecognizedVMOptions) { | |
| 3537 // uncast const to modify the flag args->ignoreUnrecognized | |
| 3538 *(jboolean*)(&args->ignoreUnrecognized) = true; | |
| 3539 } | |
| 3540 | |
| 3541 // Parse specified settings file | |
| 3542 if (settings_file_specified) { | |
| 3543 if (!process_settings_file(flags_file, true, args->ignoreUnrecognized)) { | |
| 3544 return JNI_EINVAL; | |
| 3545 } | |
|
6196
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3546 } else { |
|
6150
1e76463170b3
7110720: Issue with vm config file loadingIssue with vm config file loading
kamg
parents:
4780
diff
changeset
|
3547 #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
|
3548 // Parse default .hotspotrc settings file |
| 0 | 3549 if (!process_settings_file(".hotspotrc", false, args->ignoreUnrecognized)) { |
| 3550 return JNI_EINVAL; | |
| 3551 } | |
|
6196
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3552 #else |
|
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3553 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
|
3554 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
|
3555 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
|
3556 } |
|
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3557 #endif |
| 0 | 3558 } |
| 3559 | |
| 3560 if (PrintVMOptions) { | |
| 3561 for (index = 0; index < args->nOptions; index++) { | |
| 3562 const JavaVMOption *option = args->options + index; | |
| 3563 if (match_option(option, "-XX:", &tail)) { | |
| 3564 logOption(tail); | |
| 3565 } | |
| 3566 } | |
| 3567 } | |
| 3568 | |
| 3569 // Parse JavaVMInitArgs structure passed in, as well as JAVA_TOOL_OPTIONS and _JAVA_OPTIONS | |
| 3570 jint result = parse_vm_init_args(args); | |
| 3571 if (result != JNI_OK) { | |
| 3572 return result; | |
| 3573 } | |
| 3574 | |
|
10270
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3575 // 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
|
3576 SharedArchivePath = get_shared_archive_path(); |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3577 if (SharedArchivePath == NULL) { |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3578 return JNI_ENOMEM; |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3579 } |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3580 |
|
6196
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3581 // 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
|
3582 // 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
|
3583 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
|
3584 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
|
3585 "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
|
3586 hotspotrc, hotspotrc); |
|
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3587 } |
|
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3588 |
|
6917
e81fbc04a942
7191817: -XX:+UseSerialGC -XX:+UseLargePages crashes with SIGFPE on MacOS X
coleenp
parents:
6916
diff
changeset
|
3589 #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
|
3590 UNSUPPORTED_OPTION(UseLargePages, "-XX:+UseLargePages"); |
|
e81fbc04a942
7191817: -XX:+UseSerialGC -XX:+UseLargePages crashes with SIGFPE on MacOS X
coleenp
parents:
6916
diff
changeset
|
3591 #endif |
|
e81fbc04a942
7191817: -XX:+UseSerialGC -XX:+UseLargePages crashes with SIGFPE on MacOS X
coleenp
parents:
6916
diff
changeset
|
3592 |
|
8086
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3593 #if INCLUDE_ALL_GCS |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3594 #if (defined JAVASE_EMBEDDED || defined ARM) |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3595 UNSUPPORTED_OPTION(UseG1GC, "G1 GC"); |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3596 #endif |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3597 #endif |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3598 |
| 0 | 3599 #ifndef PRODUCT |
| 3600 if (TraceBytecodesAt != 0) { | |
| 3601 TraceBytecodes = true; | |
| 3602 } | |
| 3603 if (CountCompiledCalls) { | |
| 3604 if (UseCounterDecay) { | |
| 3605 warning("UseCounterDecay disabled because CountCalls is set"); | |
| 3606 UseCounterDecay = false; | |
| 3607 } | |
| 3608 } | |
| 3609 #endif // PRODUCT | |
| 3610 | |
|
2416
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3611 // 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
|
3612 if (!JDK_Version::is_gte_jdk17x_version()) { |
|
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3613 if (EnableInvokeDynamic) { |
|
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3614 if (!FLAG_IS_DEFAULT(EnableInvokeDynamic)) { |
|
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3615 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
|
3616 } |
|
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3617 EnableInvokeDynamic = false; |
| 710 | 3618 } |
| 3619 } | |
|
2416
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3620 |
|
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3621 if (EnableInvokeDynamic && ScavengeRootsInCode == 0) { |
|
989
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
932
diff
changeset
|
3622 if (!FLAG_IS_DEFAULT(ScavengeRootsInCode)) { |
|
2416
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3623 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
|
3624 } |
|
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
932
diff
changeset
|
3625 ScavengeRootsInCode = 1; |
|
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
932
diff
changeset
|
3626 } |
| 710 | 3627 |
| 0 | 3628 if (PrintGCDetails) { |
| 3629 // Turn on -verbose:gc options as well | |
| 3630 PrintGC = true; | |
| 3631 } | |
| 3632 | |
|
6064
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
3633 if (!JDK_Version::is_gte_jdk18x_version()) { |
|
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
3634 // 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
|
3635 // true by default in JDK8 and above. |
|
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
3636 if (FLAG_IS_DEFAULT(PrintGCCause)) { |
|
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
3637 FLAG_SET_DEFAULT(PrintGCCause, false); |
|
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
3638 } |
|
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
3639 } |
|
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
3640 |
|
1571
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
3641 // 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
|
3642 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
|
3643 |
|
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
3644 #if !INCLUDE_ALL_GCS |
| 1064 | 3645 force_serial_gc(); |
|
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
3646 #endif // INCLUDE_ALL_GCS |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3647 #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
|
3648 if (DumpSharedSpaces || RequireSharedSpaces) { |
|
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
3649 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
|
3650 "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
|
3651 return JNI_ERR; |
|
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
3652 } |
|
8724
69ffa4ac9e53
8009835: Only produce a warning when -Xshare:auto is explicitly requested
jprovino
parents:
8720
diff
changeset
|
3653 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
|
3654 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
|
3655 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
|
3656 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
|
3657 } |
| 0 | 3658 no_shared_spaces(); |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3659 #endif // INCLUDE_CDS |
| 0 | 3660 |
|
12233
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
3661 return JNI_OK; |
|
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
3662 } |
|
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
3663 |
|
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
3664 jint Arguments::apply_ergo() { |
|
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
3665 |
| 0 | 3666 // Set flags based on ergonomics. |
| 3667 set_ergonomics_flags(); | |
| 3668 | |
|
2362
a2c2eac1ca62
7018056: large pages not always enabled by default
jcoomes
parents:
2302
diff
changeset
|
3669 set_shared_spaces_flags(); |
|
1135
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1131
diff
changeset
|
3670 |
|
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
3671 // Check the GC selections again. |
|
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
3672 if (!check_gc_consistency()) { |
|
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
3673 return JNI_EINVAL; |
|
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
3674 } |
|
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
3675 |
| 1783 | 3676 if (TieredCompilation) { |
| 3677 set_tiered_flags(); | |
| 3678 } else { | |
| 3679 // Check if the policy is valid. Policies 0 and 1 are valid for non-tiered setup. | |
|
12356
359f7e70ae7f
Reduce HotSpot diff and fix previous merge
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
12355
diff
changeset
|
3680 if (CompilationPolicyChoice >= 2) { |
| 1783 | 3681 vm_exit_during_initialization( |
| 3682 "Incompatible compilation policy selected", NULL); | |
| 3683 } | |
| 3684 } | |
| 3685 | |
|
2368
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
3686 // Set heap size based on available physical memory |
|
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
3687 set_heap_size(); |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3688 |
|
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
3689 #if INCLUDE_ALL_GCS |
|
2368
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
3690 // Set per-collector flags |
|
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
3691 if (UseParallelGC || UseParallelOldGC) { |
|
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
3692 set_parallel_gc_flags(); |
|
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
3693 } 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
|
3694 set_cms_and_parnew_gc_flags(); |
|
2368
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
3695 } 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
|
3696 set_parnew_gc_flags(); |
|
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
3697 } else if (UseG1GC) { |
|
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
3698 set_g1_gc_flags(); |
|
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
3699 } |
|
7452
e0ab18eafbde
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
7451
diff
changeset
|
3700 check_deprecated_gcs(); |
| 8734 | 3701 check_deprecated_gc_flags(); |
|
8845
1b90c7607451
2178143: JVM crashes if the number of bound CPUs changed during runtime
minqi
parents:
8819
diff
changeset
|
3702 if (AssumeMP && !UseSerialGC) { |
|
1b90c7607451
2178143: JVM crashes if the number of bound CPUs changed during runtime
minqi
parents:
8819
diff
changeset
|
3703 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
|
3704 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
|
3705 " 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
|
3706 " using -XX:ParallelGCThreads=N"); |
|
1b90c7607451
2178143: JVM crashes if the number of bound CPUs changed during runtime
minqi
parents:
8819
diff
changeset
|
3707 } |
|
1b90c7607451
2178143: JVM crashes if the number of bound CPUs changed during runtime
minqi
parents:
8819
diff
changeset
|
3708 } |
|
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
3709 #else // INCLUDE_ALL_GCS |
| 0 | 3710 assert(verify_serial_gc_flags(), "SerialGC unset"); |
|
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
3711 #endif // INCLUDE_ALL_GCS |
| 0 | 3712 |
| 3713 // Set bytecode rewriting flags | |
| 3714 set_bytecode_flags(); | |
| 3715 | |
| 3716 // Set flags if Aggressive optimization flags (-XX:+AggressiveOpts) enabled. | |
| 3717 set_aggressive_opts_flags(); | |
| 3718 | |
|
2239
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3719 // Turn off biased locking for locking debug mode flags, |
|
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3720 // 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
|
3721 // biased locking. |
| 2331 | 3722 if (UseHeavyMonitors |
| 3723 #ifdef COMPILER1 | |
| 3724 || !UseFastLocking | |
| 3725 #endif // COMPILER1 | |
|
7154
5d0bb7d52783
changes to support Graal co-existing with the other HotSpot compiler(s) and being used for explicit compilation requests and code installation via the Graal API
Doug Simon <doug.simon@oracle.com>
parents:
7125
diff
changeset
|
3726 #ifdef GRAAL |
|
5d0bb7d52783
changes to support Graal co-existing with the other HotSpot compiler(s) and being used for explicit compilation requests and code installation via the Graal API
Doug Simon <doug.simon@oracle.com>
parents:
7125
diff
changeset
|
3727 || !GraalUseFastLocking |
|
5d0bb7d52783
changes to support Graal co-existing with the other HotSpot compiler(s) and being used for explicit compilation requests and code installation via the Graal API
Doug Simon <doug.simon@oracle.com>
parents:
7125
diff
changeset
|
3728 #endif // GRAAL |
| 2331 | 3729 ) { |
|
2239
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3730 if (!FLAG_IS_DEFAULT(UseBiasedLocking) && UseBiasedLocking) { |
|
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3731 // 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
|
3732 // can't enable biased locking here |
|
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3733 warning("Biased Locking is not supported with locking debug flags" |
|
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3734 "; ignoring UseBiasedLocking flag." ); |
|
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3735 } |
|
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3736 UseBiasedLocking = false; |
|
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3737 } |
|
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3738 |
| 0 | 3739 #ifdef CC_INTERP |
| 1131 | 3740 // Clear flags not supported by the C++ interpreter |
| 3741 FLAG_SET_DEFAULT(ProfileInterpreter, false); | |
| 0 | 3742 FLAG_SET_DEFAULT(UseBiasedLocking, false); |
| 1131 | 3743 LP64_ONLY(FLAG_SET_DEFAULT(UseCompressedOops, false)); |
|
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
3744 LP64_ONLY(FLAG_SET_DEFAULT(UseCompressedClassPointers, false)); |
| 1131 | 3745 #endif // CC_INTERP |
| 3746 | |
|
420
a1980da045cc
6462850: generate biased locking code in C2 ideal graph
kvn
parents:
416
diff
changeset
|
3747 #ifdef COMPILER2 |
|
a1980da045cc
6462850: generate biased locking code in C2 ideal graph
kvn
parents:
416
diff
changeset
|
3748 if (!UseBiasedLocking || EmitSync != 0) { |
|
a1980da045cc
6462850: generate biased locking code in C2 ideal graph
kvn
parents:
416
diff
changeset
|
3749 UseOptoBiasInlining = false; |
|
a1980da045cc
6462850: generate biased locking code in C2 ideal graph
kvn
parents:
416
diff
changeset
|
3750 } |
| 4777 | 3751 if (!EliminateLocks) { |
| 3752 EliminateNestedLocks = false; | |
| 3753 } | |
| 7473 | 3754 if (!Inline) { |
| 3755 IncrementalInline = false; | |
| 3756 } | |
| 3757 #ifndef PRODUCT | |
| 3758 if (!IncrementalInline) { | |
| 3759 AlwaysIncrementalInline = false; | |
| 3760 } | |
| 3761 #endif | |
| 3762 if (IncrementalInline && FLAG_IS_DEFAULT(MaxNodeLimit)) { | |
| 3763 // incremental inlining: bump MaxNodeLimit | |
| 3764 FLAG_SET_DEFAULT(MaxNodeLimit, (intx)75000); | |
| 3765 } | |
|
420
a1980da045cc
6462850: generate biased locking code in C2 ideal graph
kvn
parents:
416
diff
changeset
|
3766 #endif |
|
a1980da045cc
6462850: generate biased locking code in C2 ideal graph
kvn
parents:
416
diff
changeset
|
3767 |
|
1155
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1150
diff
changeset
|
3768 if (PrintAssembly && FLAG_IS_DEFAULT(DebugNonSafepoints)) { |
|
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1150
diff
changeset
|
3769 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
|
3770 DebugNonSafepoints = true; |
|
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1150
diff
changeset
|
3771 } |
|
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1150
diff
changeset
|
3772 |
|
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
3773 if (FLAG_IS_CMDLINE(CompressedClassSpaceSize) && !UseCompressedClassPointers) { |
|
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
3774 warning("Setting CompressedClassSpaceSize has no effect when compressed class pointers are not used"); |
|
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
3775 } |
|
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
3776 |
|
1188
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
3777 #ifndef PRODUCT |
|
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
3778 if (CompileTheWorld) { |
|
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
3779 // 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
|
3780 if (FLAG_IS_DEFAULT(NmethodSweepFraction)) { |
|
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
3781 NmethodSweepFraction = 1; |
|
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
3782 } |
|
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
3783 } |
|
12257
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3784 |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3785 if (!LogVMOutput && FLAG_IS_DEFAULT(LogVMOutput)) { |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3786 if (use_vm_log()) { |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3787 LogVMOutput = true; |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3788 } |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3789 } |
|
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3790 #endif // PRODUCT |
|
1188
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
3791 |
| 0 | 3792 if (PrintCommandLineFlags) { |
| 4773 | 3793 CommandLineFlags::printSetFlags(tty); |
| 0 | 3794 } |
| 3795 | |
|
1681
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3796 // Apply CPU specific policy for the BiasedLocking |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3797 if (UseBiasedLocking) { |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3798 if (!VM_Version::use_biased_locking() && |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3799 !(FLAG_IS_CMDLINE(UseBiasedLocking))) { |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3800 UseBiasedLocking = false; |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3801 } |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3802 } |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3803 |
|
2302
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
3804 // 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
|
3805 // 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
|
3806 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
|
3807 bool set = false; |
|
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
3808 CommandLineFlags::wasSetOnCmdline("PauseAtExit", &set); |
|
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
3809 if (!set) { |
|
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
3810 FLAG_SET_DEFAULT(PauseAtExit, true); |
|
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
3811 } |
|
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
3812 } |
|
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
3813 |
|
12490
4dba97fb1a6f
available GPUs are exposed to Graal only by the graal.gpu.isalist system property which is set up during command line argument parsing
Doug Simon <doug.simon@oracle.com>
parents:
12356
diff
changeset
|
3814 #ifdef GRAAL |
|
4dba97fb1a6f
available GPUs are exposed to Graal only by the graal.gpu.isalist system property which is set up during command line argument parsing
Doug Simon <doug.simon@oracle.com>
parents:
12356
diff
changeset
|
3815 if (_graal_gpu_isalist->value() == NULL) { |
|
4dba97fb1a6f
available GPUs are exposed to Graal only by the graal.gpu.isalist system property which is set up during command line argument parsing
Doug Simon <doug.simon@oracle.com>
parents:
12356
diff
changeset
|
3816 // Initialize the graal.gpu.isalist system property if |
|
4dba97fb1a6f
available GPUs are exposed to Graal only by the graal.gpu.isalist system property which is set up during command line argument parsing
Doug Simon <doug.simon@oracle.com>
parents:
12356
diff
changeset
|
3817 // a) it was not explicitly defined by the user and |
|
4dba97fb1a6f
available GPUs are exposed to Graal only by the graal.gpu.isalist system property which is set up during command line argument parsing
Doug Simon <doug.simon@oracle.com>
parents:
12356
diff
changeset
|
3818 // b) at least one GPU is available. |
|
4dba97fb1a6f
available GPUs are exposed to Graal only by the graal.gpu.isalist system property which is set up during command line argument parsing
Doug Simon <doug.simon@oracle.com>
parents:
12356
diff
changeset
|
3819 // GPU offload can be disabled by setting the property |
|
4dba97fb1a6f
available GPUs are exposed to Graal only by the graal.gpu.isalist system property which is set up during command line argument parsing
Doug Simon <doug.simon@oracle.com>
parents:
12356
diff
changeset
|
3820 // to the empty string on the command line |
|
4dba97fb1a6f
available GPUs are exposed to Graal only by the graal.gpu.isalist system property which is set up during command line argument parsing
Doug Simon <doug.simon@oracle.com>
parents:
12356
diff
changeset
|
3821 if (gpu::is_available() && gpu::has_gpu_linkage()) { |
|
4dba97fb1a6f
available GPUs are exposed to Graal only by the graal.gpu.isalist system property which is set up during command line argument parsing
Doug Simon <doug.simon@oracle.com>
parents:
12356
diff
changeset
|
3822 if (gpu::get_target_il_type() == gpu::PTX) { |
|
4dba97fb1a6f
available GPUs are exposed to Graal only by the graal.gpu.isalist system property which is set up during command line argument parsing
Doug Simon <doug.simon@oracle.com>
parents:
12356
diff
changeset
|
3823 _graal_gpu_isalist->append_value("PTX"); |
|
4dba97fb1a6f
available GPUs are exposed to Graal only by the graal.gpu.isalist system property which is set up during command line argument parsing
Doug Simon <doug.simon@oracle.com>
parents:
12356
diff
changeset
|
3824 } |
|
4dba97fb1a6f
available GPUs are exposed to Graal only by the graal.gpu.isalist system property which is set up during command line argument parsing
Doug Simon <doug.simon@oracle.com>
parents:
12356
diff
changeset
|
3825 if (gpu::get_target_il_type() == gpu::HSAIL) { |
|
4dba97fb1a6f
available GPUs are exposed to Graal only by the graal.gpu.isalist system property which is set up during command line argument parsing
Doug Simon <doug.simon@oracle.com>
parents:
12356
diff
changeset
|
3826 _graal_gpu_isalist->append_value("HSAIL"); |
|
4dba97fb1a6f
available GPUs are exposed to Graal only by the graal.gpu.isalist system property which is set up during command line argument parsing
Doug Simon <doug.simon@oracle.com>
parents:
12356
diff
changeset
|
3827 } |
|
4dba97fb1a6f
available GPUs are exposed to Graal only by the graal.gpu.isalist system property which is set up during command line argument parsing
Doug Simon <doug.simon@oracle.com>
parents:
12356
diff
changeset
|
3828 } |
|
4dba97fb1a6f
available GPUs are exposed to Graal only by the graal.gpu.isalist system property which is set up during command line argument parsing
Doug Simon <doug.simon@oracle.com>
parents:
12356
diff
changeset
|
3829 } |
|
4dba97fb1a6f
available GPUs are exposed to Graal only by the graal.gpu.isalist system property which is set up during command line argument parsing
Doug Simon <doug.simon@oracle.com>
parents:
12356
diff
changeset
|
3830 #endif |
|
4dba97fb1a6f
available GPUs are exposed to Graal only by the graal.gpu.isalist system property which is set up during command line argument parsing
Doug Simon <doug.simon@oracle.com>
parents:
12356
diff
changeset
|
3831 |
| 0 | 3832 return JNI_OK; |
| 3833 } | |
| 3834 | |
|
7177
53715fb1597d
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
6982
diff
changeset
|
3835 jint Arguments::adjust_after_os() { |
|
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
3836 #if INCLUDE_ALL_GCS |
|
7177
53715fb1597d
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
6982
diff
changeset
|
3837 if (UseParallelGC || UseParallelOldGC) { |
|
53715fb1597d
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
6982
diff
changeset
|
3838 if (UseNUMA) { |
|
53715fb1597d
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
6982
diff
changeset
|
3839 if (FLAG_IS_DEFAULT(MinHeapDeltaBytes)) { |
|
53715fb1597d
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
6982
diff
changeset
|
3840 FLAG_SET_DEFAULT(MinHeapDeltaBytes, 64*M); |
|
53715fb1597d
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
6982
diff
changeset
|
3841 } |
|
53715fb1597d
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
6982
diff
changeset
|
3842 // 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
|
3843 // not support full UseNUMA, we will map to UseNUMAInterleaving for now |
|
53715fb1597d
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
6982
diff
changeset
|
3844 UseNUMAInterleaving = true; |
|
53715fb1597d
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
6982
diff
changeset
|
3845 } |
|
53715fb1597d
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
6982
diff
changeset
|
3846 } |
|
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
3847 #endif // INCLUDE_ALL_GCS |
|
7177
53715fb1597d
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
6982
diff
changeset
|
3848 return JNI_OK; |
|
53715fb1597d
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
6982
diff
changeset
|
3849 } |
|
53715fb1597d
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
6982
diff
changeset
|
3850 |
| 0 | 3851 int Arguments::PropertyList_count(SystemProperty* pl) { |
| 3852 int count = 0; | |
| 3853 while(pl != NULL) { | |
| 3854 count++; | |
| 3855 pl = pl->next(); | |
| 3856 } | |
| 3857 return count; | |
| 3858 } | |
| 3859 | |
| 3860 const char* Arguments::PropertyList_get_value(SystemProperty *pl, const char* key) { | |
| 3861 assert(key != NULL, "just checking"); | |
| 3862 SystemProperty* prop; | |
| 3863 for (prop = pl; prop != NULL; prop = prop->next()) { | |
| 3864 if (strcmp(key, prop->key()) == 0) return prop->value(); | |
| 3865 } | |
| 3866 return NULL; | |
| 3867 } | |
| 3868 | |
| 3869 const char* Arguments::PropertyList_get_key_at(SystemProperty *pl, int index) { | |
| 3870 int count = 0; | |
| 3871 const char* ret_val = NULL; | |
| 3872 | |
| 3873 while(pl != NULL) { | |
| 3874 if(count >= index) { | |
| 3875 ret_val = pl->key(); | |
| 3876 break; | |
| 3877 } | |
| 3878 count++; | |
| 3879 pl = pl->next(); | |
| 3880 } | |
| 3881 | |
| 3882 return ret_val; | |
| 3883 } | |
| 3884 | |
| 3885 char* Arguments::PropertyList_get_value_at(SystemProperty* pl, int index) { | |
| 3886 int count = 0; | |
| 3887 char* ret_val = NULL; | |
| 3888 | |
| 3889 while(pl != NULL) { | |
| 3890 if(count >= index) { | |
| 3891 ret_val = pl->value(); | |
| 3892 break; | |
| 3893 } | |
| 3894 count++; | |
| 3895 pl = pl->next(); | |
| 3896 } | |
| 3897 | |
| 3898 return ret_val; | |
| 3899 } | |
| 3900 | |
| 3901 void Arguments::PropertyList_add(SystemProperty** plist, SystemProperty *new_p) { | |
| 3902 SystemProperty* p = *plist; | |
| 3903 if (p == NULL) { | |
| 3904 *plist = new_p; | |
| 3905 } else { | |
| 3906 while (p->next() != NULL) { | |
| 3907 p = p->next(); | |
| 3908 } | |
| 3909 p->set_next(new_p); | |
| 3910 } | |
| 3911 } | |
| 3912 | |
| 3913 void Arguments::PropertyList_add(SystemProperty** plist, const char* k, char* v) { | |
| 3914 if (plist == NULL) | |
| 3915 return; | |
| 3916 | |
| 3917 SystemProperty* new_p = new SystemProperty(k, v, true); | |
| 3918 PropertyList_add(plist, new_p); | |
| 3919 } | |
| 3920 | |
| 3921 // This add maintains unique property key in the list. | |
| 691 | 3922 void Arguments::PropertyList_unique_add(SystemProperty** plist, const char* k, char* v, jboolean append) { |
| 0 | 3923 if (plist == NULL) |
| 3924 return; | |
| 3925 | |
| 3926 // If property key exist then update with new value. | |
| 3927 SystemProperty* prop; | |
| 3928 for (prop = *plist; prop != NULL; prop = prop->next()) { | |
| 3929 if (strcmp(k, prop->key()) == 0) { | |
| 691 | 3930 if (append) { |
| 3931 prop->append_value(v); | |
| 3932 } else { | |
| 3933 prop->set_value(v); | |
| 3934 } | |
| 0 | 3935 return; |
| 3936 } | |
| 3937 } | |
| 3938 | |
| 3939 PropertyList_add(plist, k, v); | |
| 3940 } | |
| 3941 | |
| 3942 // Copies src into buf, replacing "%%" with "%" and "%p" with pid | |
| 3943 // Returns true if all of the source pointed by src has been copied over to | |
| 3944 // the destination buffer pointed by buf. Otherwise, returns false. | |
| 3945 // Notes: | |
| 3946 // 1. If the length (buflen) of the destination buffer excluding the | |
| 3947 // NULL terminator character is not long enough for holding the expanded | |
| 3948 // pid characters, it also returns false instead of returning the partially | |
| 3949 // expanded one. | |
| 3950 // 2. The passed in "buflen" should be large enough to hold the null terminator. | |
| 3951 bool Arguments::copy_expand_pid(const char* src, size_t srclen, | |
| 3952 char* buf, size_t buflen) { | |
| 3953 const char* p = src; | |
| 3954 char* b = buf; | |
| 3955 const char* src_end = &src[srclen]; | |
| 3956 char* buf_end = &buf[buflen - 1]; | |
| 3957 | |
| 3958 while (p < src_end && b < buf_end) { | |
| 3959 if (*p == '%') { | |
| 3960 switch (*(++p)) { | |
| 3961 case '%': // "%%" ==> "%" | |
| 3962 *b++ = *p++; | |
| 3963 break; | |
| 3964 case 'p': { // "%p" ==> current process id | |
| 3965 // buf_end points to the character before the last character so | |
| 3966 // that we could write '\0' to the end of the buffer. | |
| 3967 size_t buf_sz = buf_end - b + 1; | |
| 3968 int ret = jio_snprintf(b, buf_sz, "%d", os::current_process_id()); | |
| 3969 | |
| 3970 // if jio_snprintf fails or the buffer is not long enough to hold | |
| 3971 // the expanded pid, returns false. | |
| 3972 if (ret < 0 || ret >= (int)buf_sz) { | |
| 3973 return false; | |
| 3974 } else { | |
| 3975 b += ret; | |
| 3976 assert(*b == '\0', "fail in copy_expand_pid"); | |
| 3977 if (p == src_end && b == buf_end + 1) { | |
| 3978 // reach the end of the buffer. | |
| 3979 return true; | |
| 3980 } | |
| 3981 } | |
| 3982 p++; | |
| 3983 break; | |
| 3984 } | |
| 3985 default : | |
| 3986 *b++ = '%'; | |
| 3987 } | |
| 3988 } else { | |
| 3989 *b++ = *p++; | |
| 3990 } | |
| 3991 } | |
| 3992 *b = '\0'; | |
| 3993 return (p == src_end); // return false if not all of the source was copied | |
| 3994 } |