Mercurial > hg > truffle
annotate src/share/vm/runtime/arguments.cpp @ 12215:621eda7235d2
7164841: Improvements to the GC log file rotation
Summary: made changes to easily identify current log file in rotation. Parameterize the input with %t for time replacement in file name.
Reviewed-by: ccheung, tschatzl, tamao, zgu
Contributed-by: yumin.qi@oracle.com
| author | minqi |
|---|---|
| date | Mon, 16 Sep 2013 15:35:04 -0700 |
| parents | bb57d48691f5 |
| children | 06ae47d9d088 dfae98867ee8 |
| rev | line source |
|---|---|
| 0 | 1 /* |
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2 * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved. |
| 0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 * | |
| 5 * This code is free software; you can redistribute it and/or modify it | |
| 6 * under the terms of the GNU General Public License version 2 only, as | |
| 7 * published by the Free Software Foundation. | |
| 8 * | |
| 9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 12 * version 2 for more details (a copy is included in the LICENSE file that | |
| 13 * accompanied this code). | |
| 14 * | |
| 15 * You should have received a copy of the GNU General Public License version | |
| 16 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 18 * | |
|
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 1972 | 25 #include "precompiled.hpp" |
| 26 #include "classfile/javaAssertions.hpp" | |
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27 #include "classfile/symbolTable.hpp" |
| 1972 | 28 #include "compiler/compilerOracle.hpp" |
| 29 #include "memory/allocation.inline.hpp" | |
| 30 #include "memory/cardTableRS.hpp" | |
| 31 #include "memory/referenceProcessor.hpp" | |
| 32 #include "memory/universe.inline.hpp" | |
| 33 #include "oops/oop.inline.hpp" | |
| 34 #include "prims/jvmtiExport.hpp" | |
| 35 #include "runtime/arguments.hpp" | |
| 36 #include "runtime/globals_extension.hpp" | |
| 37 #include "runtime/java.hpp" | |
| 38 #include "services/management.hpp" | |
| 6197 | 39 #include "services/memTracker.hpp" |
| 1972 | 40 #include "utilities/defaultStream.hpp" |
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41 #include "utilities/macros.hpp" |
| 1972 | 42 #include "utilities/taskqueue.hpp" |
| 43 #ifdef TARGET_OS_FAMILY_linux | |
| 44 # include "os_linux.inline.hpp" | |
| 45 #endif | |
| 46 #ifdef TARGET_OS_FAMILY_solaris | |
| 47 # include "os_solaris.inline.hpp" | |
| 48 #endif | |
| 49 #ifdef TARGET_OS_FAMILY_windows | |
| 50 # include "os_windows.inline.hpp" | |
| 51 #endif | |
| 3960 | 52 #ifdef TARGET_OS_FAMILY_bsd |
| 53 # include "os_bsd.inline.hpp" | |
| 54 #endif | |
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55 #if INCLUDE_ALL_GCS |
| 1972 | 56 #include "gc_implementation/concurrentMarkSweep/compactibleFreeListSpace.hpp" |
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57 #endif // INCLUDE_ALL_GCS |
| 0 | 58 |
| 2474 | 59 // Note: This is a special bug reporting site for the JVM |
| 60 #define DEFAULT_VENDOR_URL_BUG "http://bugreport.sun.com/bugreport/crash.jsp" | |
| 0 | 61 #define DEFAULT_JAVA_LAUNCHER "generic" |
| 62 | |
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63 // Disable options not supported in this release, with a warning if they |
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64 // were explicitly requested on the command-line |
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65 #define UNSUPPORTED_OPTION(opt, description) \ |
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66 do { \ |
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67 if (opt) { \ |
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68 if (FLAG_IS_CMDLINE(opt)) { \ |
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69 warning(description " is disabled in this release."); \ |
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70 } \ |
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71 FLAG_SET_DEFAULT(opt, false); \ |
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72 } \ |
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73 } while(0) |
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74 |
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75 #define UNSUPPORTED_GC_OPTION(gc) \ |
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76 do { \ |
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77 if (gc) { \ |
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78 if (FLAG_IS_CMDLINE(gc)) { \ |
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79 warning(#gc " is not supported in this VM. Using Serial GC."); \ |
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80 } \ |
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81 FLAG_SET_DEFAULT(gc, false); \ |
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82 } \ |
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83 } while(0) |
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84 |
| 0 | 85 char** Arguments::_jvm_flags_array = NULL; |
| 86 int Arguments::_num_jvm_flags = 0; | |
| 87 char** Arguments::_jvm_args_array = NULL; | |
| 88 int Arguments::_num_jvm_args = 0; | |
| 89 char* Arguments::_java_command = NULL; | |
| 90 SystemProperty* Arguments::_system_properties = NULL; | |
| 91 const char* Arguments::_gc_log_filename = NULL; | |
| 92 bool Arguments::_has_profile = false; | |
| 93 uintx Arguments::_min_heap_size = 0; | |
| 94 Arguments::Mode Arguments::_mode = _mixed; | |
| 95 bool Arguments::_java_compiler = false; | |
| 96 bool Arguments::_xdebug_mode = false; | |
| 97 const char* Arguments::_java_vendor_url_bug = DEFAULT_VENDOR_URL_BUG; | |
| 98 const char* Arguments::_sun_java_launcher = DEFAULT_JAVA_LAUNCHER; | |
| 99 int Arguments::_sun_java_launcher_pid = -1; | |
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100 bool Arguments::_created_by_gamma_launcher = false; |
| 0 | 101 |
| 102 // These parameters are reset in method parse_vm_init_args(JavaVMInitArgs*) | |
| 103 bool Arguments::_AlwaysCompileLoopMethods = AlwaysCompileLoopMethods; | |
| 104 bool Arguments::_UseOnStackReplacement = UseOnStackReplacement; | |
| 105 bool Arguments::_BackgroundCompilation = BackgroundCompilation; | |
| 106 bool Arguments::_ClipInlining = ClipInlining; | |
| 107 | |
| 108 char* Arguments::SharedArchivePath = NULL; | |
| 109 | |
| 110 AgentLibraryList Arguments::_libraryList; | |
| 111 AgentLibraryList Arguments::_agentList; | |
| 112 | |
| 113 abort_hook_t Arguments::_abort_hook = NULL; | |
| 114 exit_hook_t Arguments::_exit_hook = NULL; | |
| 115 vfprintf_hook_t Arguments::_vfprintf_hook = NULL; | |
| 116 | |
| 117 | |
| 118 SystemProperty *Arguments::_java_ext_dirs = NULL; | |
| 119 SystemProperty *Arguments::_java_endorsed_dirs = NULL; | |
| 120 SystemProperty *Arguments::_sun_boot_library_path = NULL; | |
| 121 SystemProperty *Arguments::_java_library_path = NULL; | |
| 122 SystemProperty *Arguments::_java_home = NULL; | |
| 123 SystemProperty *Arguments::_java_class_path = NULL; | |
| 124 SystemProperty *Arguments::_sun_boot_class_path = NULL; | |
| 125 | |
| 126 char* Arguments::_meta_index_path = NULL; | |
| 127 char* Arguments::_meta_index_dir = NULL; | |
| 128 | |
| 129 // Check if head of 'option' matches 'name', and sets 'tail' remaining part of option string | |
| 130 | |
| 131 static bool match_option(const JavaVMOption *option, const char* name, | |
| 132 const char** tail) { | |
| 133 int len = (int)strlen(name); | |
| 134 if (strncmp(option->optionString, name, len) == 0) { | |
| 135 *tail = option->optionString + len; | |
| 136 return true; | |
| 137 } else { | |
| 138 return false; | |
| 139 } | |
| 140 } | |
| 141 | |
| 142 static void logOption(const char* opt) { | |
| 143 if (PrintVMOptions) { | |
| 144 jio_fprintf(defaultStream::output_stream(), "VM option '%s'\n", opt); | |
| 145 } | |
| 146 } | |
| 147 | |
| 148 // Process java launcher properties. | |
| 149 void Arguments::process_sun_java_launcher_properties(JavaVMInitArgs* args) { | |
| 150 // See if sun.java.launcher or sun.java.launcher.pid is defined. | |
| 151 // Must do this before setting up other system properties, | |
| 152 // as some of them may depend on launcher type. | |
| 153 for (int index = 0; index < args->nOptions; index++) { | |
| 154 const JavaVMOption* option = args->options + index; | |
| 155 const char* tail; | |
| 156 | |
| 157 if (match_option(option, "-Dsun.java.launcher=", &tail)) { | |
| 158 process_java_launcher_argument(tail, option->extraInfo); | |
| 159 continue; | |
| 160 } | |
| 161 if (match_option(option, "-Dsun.java.launcher.pid=", &tail)) { | |
| 162 _sun_java_launcher_pid = atoi(tail); | |
| 163 continue; | |
| 164 } | |
| 165 } | |
| 166 } | |
| 167 | |
| 168 // Initialize system properties key and value. | |
| 169 void Arguments::init_system_properties() { | |
| 170 | |
| 171 PropertyList_add(&_system_properties, new SystemProperty("java.vm.specification.name", | |
| 172 "Java Virtual Machine Specification", false)); | |
| 173 PropertyList_add(&_system_properties, new SystemProperty("java.vm.version", VM_Version::vm_release(), false)); | |
| 174 PropertyList_add(&_system_properties, new SystemProperty("java.vm.name", VM_Version::vm_name(), false)); | |
| 175 PropertyList_add(&_system_properties, new SystemProperty("java.vm.info", VM_Version::vm_info_string(), true)); | |
| 176 | |
| 177 // following are JVMTI agent writeable properties. | |
| 178 // Properties values are set to NULL and they are | |
| 179 // os specific they are initialized in os::init_system_properties_values(). | |
| 180 _java_ext_dirs = new SystemProperty("java.ext.dirs", NULL, true); | |
| 181 _java_endorsed_dirs = new SystemProperty("java.endorsed.dirs", NULL, true); | |
| 182 _sun_boot_library_path = new SystemProperty("sun.boot.library.path", NULL, true); | |
| 183 _java_library_path = new SystemProperty("java.library.path", NULL, true); | |
| 184 _java_home = new SystemProperty("java.home", NULL, true); | |
| 185 _sun_boot_class_path = new SystemProperty("sun.boot.class.path", NULL, true); | |
| 186 | |
| 187 _java_class_path = new SystemProperty("java.class.path", "", true); | |
| 188 | |
| 189 // Add to System Property list. | |
| 190 PropertyList_add(&_system_properties, _java_ext_dirs); | |
| 191 PropertyList_add(&_system_properties, _java_endorsed_dirs); | |
| 192 PropertyList_add(&_system_properties, _sun_boot_library_path); | |
| 193 PropertyList_add(&_system_properties, _java_library_path); | |
| 194 PropertyList_add(&_system_properties, _java_home); | |
| 195 PropertyList_add(&_system_properties, _java_class_path); | |
| 196 PropertyList_add(&_system_properties, _sun_boot_class_path); | |
| 197 | |
| 198 // Set OS specific system properties values | |
| 199 os::init_system_properties_values(); | |
| 200 } | |
| 201 | |
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202 |
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203 // Update/Initialize System properties after JDK version number is known |
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204 void Arguments::init_version_specific_system_properties() { |
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205 enum { bufsz = 16 }; |
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206 char buffer[bufsz]; |
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207 const char* spec_vendor = "Sun Microsystems Inc."; |
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208 uint32_t spec_version = 0; |
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209 |
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210 if (JDK_Version::is_gte_jdk17x_version()) { |
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211 spec_vendor = "Oracle Corporation"; |
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212 spec_version = JDK_Version::current().major_version(); |
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213 } |
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214 jio_snprintf(buffer, bufsz, "1." UINT32_FORMAT, spec_version); |
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215 |
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216 PropertyList_add(&_system_properties, |
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217 new SystemProperty("java.vm.specification.vendor", spec_vendor, false)); |
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218 PropertyList_add(&_system_properties, |
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219 new SystemProperty("java.vm.specification.version", buffer, false)); |
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220 PropertyList_add(&_system_properties, |
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221 new SystemProperty("java.vm.vendor", VM_Version::vm_vendor(), false)); |
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222 } |
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223 |
| 242 | 224 /** |
| 225 * Provide a slightly more user-friendly way of eliminating -XX flags. | |
| 226 * When a flag is eliminated, it can be added to this list in order to | |
| 227 * continue accepting this flag on the command-line, while issuing a warning | |
| 228 * and ignoring the value. Once the JDK version reaches the 'accept_until' | |
| 229 * limit, we flatly refuse to admit the existence of the flag. This allows | |
| 230 * a flag to die correctly over JDK releases using HSX. | |
| 231 */ | |
| 232 typedef struct { | |
| 233 const char* name; | |
| 234 JDK_Version obsoleted_in; // when the flag went away | |
| 235 JDK_Version accept_until; // which version to start denying the existence | |
| 236 } ObsoleteFlag; | |
| 0 | 237 |
| 242 | 238 static ObsoleteFlag obsolete_jvm_flags[] = { |
| 239 { "UseTrainGC", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
| 240 { "UseSpecialLargeObjectHandling", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
| 241 { "UseOversizedCarHandling", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
| 242 { "TraceCarAllocation", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
| 243 { "PrintTrainGCProcessingStats", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
| 244 { "LogOfCarSpaceSize", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
| 245 { "OversizedCarThreshold", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
| 246 { "MinTickInterval", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
| 247 { "DefaultTickInterval", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
| 248 { "MaxTickInterval", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
| 249 { "DelayTickAdjustment", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
| 250 { "ProcessingToTenuringRatio", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
| 251 { "MinTrainLength", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
| 252 { "AppendRatio", JDK_Version::jdk_update(6,10), JDK_Version::jdk(7) }, | |
| 1064 | 253 { "DefaultMaxRAM", JDK_Version::jdk_update(6,18), JDK_Version::jdk(7) }, |
| 254 { "DefaultInitialRAMFraction", | |
| 255 JDK_Version::jdk_update(6,18), JDK_Version::jdk(7) }, | |
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256 { "UseDepthFirstScavengeOrder", |
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257 JDK_Version::jdk_update(6,22), JDK_Version::jdk(7) }, |
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258 { "HandlePromotionFailure", |
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259 JDK_Version::jdk_update(6,24), JDK_Version::jdk(8) }, |
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260 { "MaxLiveObjectEvacuationRatio", |
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261 JDK_Version::jdk_update(6,24), JDK_Version::jdk(8) }, |
|
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262 { "ForceSharedSpaces", JDK_Version::jdk_update(6,25), JDK_Version::jdk(8) }, |
|
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263 { "UseParallelOldGCCompacting", |
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264 JDK_Version::jdk_update(6,27), JDK_Version::jdk(8) }, |
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265 { "UseParallelDensePrefixUpdate", |
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266 JDK_Version::jdk_update(6,27), JDK_Version::jdk(8) }, |
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267 { "UseParallelOldGCDensePrefix", |
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268 JDK_Version::jdk_update(6,27), JDK_Version::jdk(8) }, |
| 2460 | 269 { "AllowTransitionalJSR292", JDK_Version::jdk(7), JDK_Version::jdk(8) }, |
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270 { "UseCompressedStrings", JDK_Version::jdk(7), JDK_Version::jdk(8) }, |
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271 { "CMSPermGenPrecleaningEnabled", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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272 { "CMSTriggerPermRatio", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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273 { "CMSInitiatingPermOccupancyFraction", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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274 { "AdaptivePermSizeWeight", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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275 { "PermGenPadding", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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276 { "PermMarkSweepDeadRatio", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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277 { "PermSize", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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278 { "MaxPermSize", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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279 { "MinPermHeapExpansion", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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280 { "MaxPermHeapExpansion", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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281 { "CMSRevisitStackSize", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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282 { "PrintRevisitStats", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
| 6916 | 283 { "UseVectoredExceptions", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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284 { "UseSplitVerifier", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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285 { "UseISM", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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286 { "UsePermISM", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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287 { "UseMPSS", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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288 { "UseStringCache", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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289 #ifdef PRODUCT |
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290 { "DesiredMethodLimit", |
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291 JDK_Version::jdk_update(7, 2), JDK_Version::jdk(8) }, |
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292 #endif // PRODUCT |
| 242 | 293 { NULL, JDK_Version(0), JDK_Version(0) } |
| 294 }; | |
| 295 | |
| 296 // Returns true if the flag is obsolete and fits into the range specified | |
| 297 // for being ignored. In the case that the flag is ignored, the 'version' | |
| 298 // value is filled in with the version number when the flag became | |
| 299 // obsolete so that that value can be displayed to the user. | |
| 300 bool Arguments::is_newly_obsolete(const char *s, JDK_Version* version) { | |
| 0 | 301 int i = 0; |
| 242 | 302 assert(version != NULL, "Must provide a version buffer"); |
| 303 while (obsolete_jvm_flags[i].name != NULL) { | |
| 304 const ObsoleteFlag& flag_status = obsolete_jvm_flags[i]; | |
| 0 | 305 // <flag>=xxx form |
| 306 // [-|+]<flag> form | |
| 242 | 307 if ((strncmp(flag_status.name, s, strlen(flag_status.name)) == 0) || |
| 0 | 308 ((s[0] == '+' || s[0] == '-') && |
| 242 | 309 (strncmp(flag_status.name, &s[1], strlen(flag_status.name)) == 0))) { |
| 310 if (JDK_Version::current().compare(flag_status.accept_until) == -1) { | |
| 311 *version = flag_status.obsoleted_in; | |
| 312 return true; | |
| 313 } | |
| 0 | 314 } |
| 315 i++; | |
| 316 } | |
| 317 return false; | |
| 318 } | |
| 319 | |
| 320 // Constructs the system class path (aka boot class path) from the following | |
| 321 // components, in order: | |
| 322 // | |
| 323 // prefix // from -Xbootclasspath/p:... | |
| 324 // endorsed // the expansion of -Djava.endorsed.dirs=... | |
| 325 // base // from os::get_system_properties() or -Xbootclasspath= | |
| 326 // suffix // from -Xbootclasspath/a:... | |
| 327 // | |
| 328 // java.endorsed.dirs is a list of directories; any jar or zip files in the | |
| 329 // directories are added to the sysclasspath just before the base. | |
| 330 // | |
| 331 // This could be AllStatic, but it isn't needed after argument processing is | |
| 332 // complete. | |
| 333 class SysClassPath: public StackObj { | |
| 334 public: | |
| 335 SysClassPath(const char* base); | |
| 336 ~SysClassPath(); | |
| 337 | |
| 338 inline void set_base(const char* base); | |
| 339 inline void add_prefix(const char* prefix); | |
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340 inline void add_suffix_to_prefix(const char* suffix); |
| 0 | 341 inline void add_suffix(const char* suffix); |
| 342 inline void reset_path(const char* base); | |
| 343 | |
| 344 // Expand the jar/zip files in each directory listed by the java.endorsed.dirs | |
| 345 // property. Must be called after all command-line arguments have been | |
| 346 // processed (in particular, -Djava.endorsed.dirs=...) and before calling | |
| 347 // combined_path(). | |
| 348 void expand_endorsed(); | |
| 349 | |
| 350 inline const char* get_base() const { return _items[_scp_base]; } | |
| 351 inline const char* get_prefix() const { return _items[_scp_prefix]; } | |
| 352 inline const char* get_suffix() const { return _items[_scp_suffix]; } | |
| 353 inline const char* get_endorsed() const { return _items[_scp_endorsed]; } | |
| 354 | |
| 355 // Combine all the components into a single c-heap-allocated string; caller | |
| 356 // must free the string if/when no longer needed. | |
| 357 char* combined_path(); | |
| 358 | |
| 359 private: | |
| 360 // Utility routines. | |
| 361 static char* add_to_path(const char* path, const char* str, bool prepend); | |
| 362 static char* add_jars_to_path(char* path, const char* directory); | |
| 363 | |
| 364 inline void reset_item_at(int index); | |
| 365 | |
| 366 // Array indices for the items that make up the sysclasspath. All except the | |
| 367 // base are allocated in the C heap and freed by this class. | |
| 368 enum { | |
| 369 _scp_prefix, // from -Xbootclasspath/p:... | |
| 370 _scp_endorsed, // the expansion of -Djava.endorsed.dirs=... | |
| 371 _scp_base, // the default sysclasspath | |
| 372 _scp_suffix, // from -Xbootclasspath/a:... | |
| 373 _scp_nitems // the number of items, must be last. | |
| 374 }; | |
| 375 | |
| 376 const char* _items[_scp_nitems]; | |
| 377 DEBUG_ONLY(bool _expansion_done;) | |
| 378 }; | |
| 379 | |
| 380 SysClassPath::SysClassPath(const char* base) { | |
| 381 memset(_items, 0, sizeof(_items)); | |
| 382 _items[_scp_base] = base; | |
| 383 DEBUG_ONLY(_expansion_done = false;) | |
| 384 } | |
| 385 | |
| 386 SysClassPath::~SysClassPath() { | |
| 387 // Free everything except the base. | |
| 388 for (int i = 0; i < _scp_nitems; ++i) { | |
| 389 if (i != _scp_base) reset_item_at(i); | |
| 390 } | |
| 391 DEBUG_ONLY(_expansion_done = false;) | |
| 392 } | |
| 393 | |
| 394 inline void SysClassPath::set_base(const char* base) { | |
| 395 _items[_scp_base] = base; | |
| 396 } | |
| 397 | |
| 398 inline void SysClassPath::add_prefix(const char* prefix) { | |
| 399 _items[_scp_prefix] = add_to_path(_items[_scp_prefix], prefix, true); | |
| 400 } | |
| 401 | |
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402 inline void SysClassPath::add_suffix_to_prefix(const char* suffix) { |
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403 _items[_scp_prefix] = add_to_path(_items[_scp_prefix], suffix, false); |
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404 } |
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405 |
| 0 | 406 inline void SysClassPath::add_suffix(const char* suffix) { |
| 407 _items[_scp_suffix] = add_to_path(_items[_scp_suffix], suffix, false); | |
| 408 } | |
| 409 | |
| 410 inline void SysClassPath::reset_item_at(int index) { | |
| 411 assert(index < _scp_nitems && index != _scp_base, "just checking"); | |
| 412 if (_items[index] != NULL) { | |
| 6197 | 413 FREE_C_HEAP_ARRAY(char, _items[index], mtInternal); |
| 0 | 414 _items[index] = NULL; |
| 415 } | |
| 416 } | |
| 417 | |
| 418 inline void SysClassPath::reset_path(const char* base) { | |
| 419 // Clear the prefix and suffix. | |
| 420 reset_item_at(_scp_prefix); | |
| 421 reset_item_at(_scp_suffix); | |
| 422 set_base(base); | |
| 423 } | |
| 424 | |
| 425 //------------------------------------------------------------------------------ | |
| 426 | |
| 427 void SysClassPath::expand_endorsed() { | |
| 428 assert(_items[_scp_endorsed] == NULL, "can only be called once."); | |
| 429 | |
| 430 const char* path = Arguments::get_property("java.endorsed.dirs"); | |
| 431 if (path == NULL) { | |
| 432 path = Arguments::get_endorsed_dir(); | |
| 433 assert(path != NULL, "no default for java.endorsed.dirs"); | |
| 434 } | |
| 435 | |
| 436 char* expanded_path = NULL; | |
| 437 const char separator = *os::path_separator(); | |
| 438 const char* const end = path + strlen(path); | |
| 439 while (path < end) { | |
| 440 const char* tmp_end = strchr(path, separator); | |
| 441 if (tmp_end == NULL) { | |
| 442 expanded_path = add_jars_to_path(expanded_path, path); | |
| 443 path = end; | |
| 444 } else { | |
| 6197 | 445 char* dirpath = NEW_C_HEAP_ARRAY(char, tmp_end - path + 1, mtInternal); |
| 0 | 446 memcpy(dirpath, path, tmp_end - path); |
| 447 dirpath[tmp_end - path] = '\0'; | |
| 448 expanded_path = add_jars_to_path(expanded_path, dirpath); | |
| 6197 | 449 FREE_C_HEAP_ARRAY(char, dirpath, mtInternal); |
| 0 | 450 path = tmp_end + 1; |
| 451 } | |
| 452 } | |
| 453 _items[_scp_endorsed] = expanded_path; | |
| 454 DEBUG_ONLY(_expansion_done = true;) | |
| 455 } | |
| 456 | |
| 457 // Combine the bootclasspath elements, some of which may be null, into a single | |
| 458 // c-heap-allocated string. | |
| 459 char* SysClassPath::combined_path() { | |
| 460 assert(_items[_scp_base] != NULL, "empty default sysclasspath"); | |
| 461 assert(_expansion_done, "must call expand_endorsed() first."); | |
| 462 | |
| 463 size_t lengths[_scp_nitems]; | |
| 464 size_t total_len = 0; | |
| 465 | |
| 466 const char separator = *os::path_separator(); | |
| 467 | |
| 468 // Get the lengths. | |
| 469 int i; | |
| 470 for (i = 0; i < _scp_nitems; ++i) { | |
| 471 if (_items[i] != NULL) { | |
| 472 lengths[i] = strlen(_items[i]); | |
| 473 // Include space for the separator char (or a NULL for the last item). | |
| 474 total_len += lengths[i] + 1; | |
| 475 } | |
| 476 } | |
| 477 assert(total_len > 0, "empty sysclasspath not allowed"); | |
| 478 | |
| 479 // Copy the _items to a single string. | |
| 6197 | 480 char* cp = NEW_C_HEAP_ARRAY(char, total_len, mtInternal); |
| 0 | 481 char* cp_tmp = cp; |
| 482 for (i = 0; i < _scp_nitems; ++i) { | |
| 483 if (_items[i] != NULL) { | |
| 484 memcpy(cp_tmp, _items[i], lengths[i]); | |
| 485 cp_tmp += lengths[i]; | |
| 486 *cp_tmp++ = separator; | |
| 487 } | |
| 488 } | |
| 489 *--cp_tmp = '\0'; // Replace the extra separator. | |
| 490 return cp; | |
| 491 } | |
| 492 | |
| 493 // Note: path must be c-heap-allocated (or NULL); it is freed if non-null. | |
| 494 char* | |
| 495 SysClassPath::add_to_path(const char* path, const char* str, bool prepend) { | |
| 496 char *cp; | |
| 497 | |
| 498 assert(str != NULL, "just checking"); | |
| 499 if (path == NULL) { | |
| 500 size_t len = strlen(str) + 1; | |
| 6197 | 501 cp = NEW_C_HEAP_ARRAY(char, len, mtInternal); |
| 0 | 502 memcpy(cp, str, len); // copy the trailing null |
| 503 } else { | |
| 504 const char separator = *os::path_separator(); | |
| 505 size_t old_len = strlen(path); | |
| 506 size_t str_len = strlen(str); | |
| 507 size_t len = old_len + str_len + 2; | |
| 508 | |
| 509 if (prepend) { | |
| 6197 | 510 cp = NEW_C_HEAP_ARRAY(char, len, mtInternal); |
| 0 | 511 char* cp_tmp = cp; |
| 512 memcpy(cp_tmp, str, str_len); | |
| 513 cp_tmp += str_len; | |
| 514 *cp_tmp = separator; | |
| 515 memcpy(++cp_tmp, path, old_len + 1); // copy the trailing null | |
| 6197 | 516 FREE_C_HEAP_ARRAY(char, path, mtInternal); |
| 0 | 517 } else { |
| 6197 | 518 cp = REALLOC_C_HEAP_ARRAY(char, path, len, mtInternal); |
| 0 | 519 char* cp_tmp = cp + old_len; |
| 520 *cp_tmp = separator; | |
| 521 memcpy(++cp_tmp, str, str_len + 1); // copy the trailing null | |
| 522 } | |
| 523 } | |
| 524 return cp; | |
| 525 } | |
| 526 | |
| 527 // Scan the directory and append any jar or zip files found to path. | |
| 528 // Note: path must be c-heap-allocated (or NULL); it is freed if non-null. | |
| 529 char* SysClassPath::add_jars_to_path(char* path, const char* directory) { | |
| 530 DIR* dir = os::opendir(directory); | |
| 531 if (dir == NULL) return path; | |
| 532 | |
| 533 char dir_sep[2] = { '\0', '\0' }; | |
| 534 size_t directory_len = strlen(directory); | |
| 535 const char fileSep = *os::file_separator(); | |
| 536 if (directory[directory_len - 1] != fileSep) dir_sep[0] = fileSep; | |
| 537 | |
| 538 /* Scan the directory for jars/zips, appending them to path. */ | |
| 539 struct dirent *entry; | |
| 6197 | 540 char *dbuf = NEW_C_HEAP_ARRAY(char, os::readdir_buf_size(directory), mtInternal); |
| 0 | 541 while ((entry = os::readdir(dir, (dirent *) dbuf)) != NULL) { |
| 542 const char* name = entry->d_name; | |
| 543 const char* ext = name + strlen(name) - 4; | |
| 544 bool isJarOrZip = ext > name && | |
| 545 (os::file_name_strcmp(ext, ".jar") == 0 || | |
| 546 os::file_name_strcmp(ext, ".zip") == 0); | |
| 547 if (isJarOrZip) { | |
| 6197 | 548 char* jarpath = NEW_C_HEAP_ARRAY(char, directory_len + 2 + strlen(name), mtInternal); |
| 0 | 549 sprintf(jarpath, "%s%s%s", directory, dir_sep, name); |
| 550 path = add_to_path(path, jarpath, false); | |
| 6197 | 551 FREE_C_HEAP_ARRAY(char, jarpath, mtInternal); |
| 0 | 552 } |
| 553 } | |
| 6197 | 554 FREE_C_HEAP_ARRAY(char, dbuf, mtInternal); |
| 0 | 555 os::closedir(dir); |
| 556 return path; | |
| 557 } | |
| 558 | |
| 559 // Parses a memory size specification string. | |
|
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560 static bool atomull(const char *s, julong* result) { |
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561 julong n = 0; |
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562 int args_read = sscanf(s, JULONG_FORMAT, &n); |
| 0 | 563 if (args_read != 1) { |
| 564 return false; | |
| 565 } | |
| 566 while (*s != '\0' && isdigit(*s)) { | |
| 567 s++; | |
| 568 } | |
| 569 // 4705540: illegal if more characters are found after the first non-digit | |
| 570 if (strlen(s) > 1) { | |
| 571 return false; | |
| 572 } | |
| 573 switch (*s) { | |
| 574 case 'T': case 't': | |
| 575 *result = n * G * K; | |
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576 // Check for overflow. |
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577 if (*result/((julong)G * K) != n) return false; |
| 0 | 578 return true; |
| 579 case 'G': case 'g': | |
| 580 *result = n * G; | |
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581 if (*result/G != n) return false; |
| 0 | 582 return true; |
| 583 case 'M': case 'm': | |
| 584 *result = n * M; | |
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585 if (*result/M != n) return false; |
| 0 | 586 return true; |
| 587 case 'K': case 'k': | |
| 588 *result = n * K; | |
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589 if (*result/K != n) return false; |
| 0 | 590 return true; |
| 591 case '\0': | |
| 592 *result = n; | |
| 593 return true; | |
| 594 default: | |
| 595 return false; | |
| 596 } | |
| 597 } | |
| 598 | |
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599 Arguments::ArgsRange Arguments::check_memory_size(julong size, julong min_size) { |
| 0 | 600 if (size < min_size) return arg_too_small; |
| 601 // Check that size will fit in a size_t (only relevant on 32-bit) | |
|
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602 if (size > max_uintx) return arg_too_big; |
| 0 | 603 return arg_in_range; |
| 604 } | |
| 605 | |
| 606 // Describe an argument out of range error | |
| 607 void Arguments::describe_range_error(ArgsRange errcode) { | |
| 608 switch(errcode) { | |
| 609 case arg_too_big: | |
| 610 jio_fprintf(defaultStream::error_stream(), | |
| 611 "The specified size exceeds the maximum " | |
| 612 "representable size.\n"); | |
| 613 break; | |
| 614 case arg_too_small: | |
| 615 case arg_unreadable: | |
| 616 case arg_in_range: | |
| 617 // do nothing for now | |
| 618 break; | |
| 619 default: | |
| 620 ShouldNotReachHere(); | |
| 621 } | |
| 622 } | |
| 623 | |
| 624 static bool set_bool_flag(char* name, bool value, FlagValueOrigin origin) { | |
| 625 return CommandLineFlags::boolAtPut(name, &value, origin); | |
| 626 } | |
| 627 | |
| 628 static bool set_fp_numeric_flag(char* name, char* value, FlagValueOrigin origin) { | |
| 629 double v; | |
| 630 if (sscanf(value, "%lf", &v) != 1) { | |
| 631 return false; | |
| 632 } | |
| 633 | |
| 634 if (CommandLineFlags::doubleAtPut(name, &v, origin)) { | |
| 635 return true; | |
| 636 } | |
| 637 return false; | |
| 638 } | |
| 639 | |
| 640 static bool set_numeric_flag(char* name, char* value, FlagValueOrigin origin) { | |
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641 julong v; |
| 0 | 642 intx intx_v; |
| 643 bool is_neg = false; | |
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644 // Check the sign first since atomull() parses only unsigned values. |
| 0 | 645 if (*value == '-') { |
| 646 if (!CommandLineFlags::intxAt(name, &intx_v)) { | |
| 647 return false; | |
| 648 } | |
| 649 value++; | |
| 650 is_neg = true; | |
| 651 } | |
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652 if (!atomull(value, &v)) { |
| 0 | 653 return false; |
| 654 } | |
| 655 intx_v = (intx) v; | |
| 656 if (is_neg) { | |
| 657 intx_v = -intx_v; | |
| 658 } | |
| 659 if (CommandLineFlags::intxAtPut(name, &intx_v, origin)) { | |
| 660 return true; | |
| 661 } | |
| 662 uintx uintx_v = (uintx) v; | |
| 663 if (!is_neg && CommandLineFlags::uintxAtPut(name, &uintx_v, origin)) { | |
| 664 return true; | |
| 665 } | |
| 1064 | 666 uint64_t uint64_t_v = (uint64_t) v; |
| 667 if (!is_neg && CommandLineFlags::uint64_tAtPut(name, &uint64_t_v, origin)) { | |
| 668 return true; | |
| 669 } | |
| 0 | 670 return false; |
| 671 } | |
| 672 | |
| 673 static bool set_string_flag(char* name, const char* value, FlagValueOrigin origin) { | |
| 674 if (!CommandLineFlags::ccstrAtPut(name, &value, origin)) return false; | |
| 675 // Contract: CommandLineFlags always returns a pointer that needs freeing. | |
| 6197 | 676 FREE_C_HEAP_ARRAY(char, value, mtInternal); |
| 0 | 677 return true; |
| 678 } | |
| 679 | |
| 680 static bool append_to_string_flag(char* name, const char* new_value, FlagValueOrigin origin) { | |
| 681 const char* old_value = ""; | |
| 682 if (!CommandLineFlags::ccstrAt(name, &old_value)) return false; | |
| 683 size_t old_len = old_value != NULL ? strlen(old_value) : 0; | |
| 684 size_t new_len = strlen(new_value); | |
| 685 const char* value; | |
| 686 char* free_this_too = NULL; | |
| 687 if (old_len == 0) { | |
| 688 value = new_value; | |
| 689 } else if (new_len == 0) { | |
| 690 value = old_value; | |
| 691 } else { | |
| 6197 | 692 char* buf = NEW_C_HEAP_ARRAY(char, old_len + 1 + new_len + 1, mtInternal); |
| 0 | 693 // each new setting adds another LINE to the switch: |
| 694 sprintf(buf, "%s\n%s", old_value, new_value); | |
| 695 value = buf; | |
| 696 free_this_too = buf; | |
| 697 } | |
| 698 (void) CommandLineFlags::ccstrAtPut(name, &value, origin); | |
| 699 // CommandLineFlags always returns a pointer that needs freeing. | |
| 6197 | 700 FREE_C_HEAP_ARRAY(char, value, mtInternal); |
| 0 | 701 if (free_this_too != NULL) { |
| 702 // CommandLineFlags made its own copy, so I must delete my own temp. buffer. | |
| 6197 | 703 FREE_C_HEAP_ARRAY(char, free_this_too, mtInternal); |
| 0 | 704 } |
| 705 return true; | |
| 706 } | |
| 707 | |
| 708 bool Arguments::parse_argument(const char* arg, FlagValueOrigin origin) { | |
| 709 | |
| 710 // range of acceptable characters spelled out for portability reasons | |
| 711 #define NAME_RANGE "[abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_]" | |
| 712 #define BUFLEN 255 | |
| 713 char name[BUFLEN+1]; | |
| 714 char dummy; | |
| 715 | |
| 716 if (sscanf(arg, "-%" XSTR(BUFLEN) NAME_RANGE "%c", name, &dummy) == 1) { | |
| 717 return set_bool_flag(name, false, origin); | |
| 718 } | |
| 719 if (sscanf(arg, "+%" XSTR(BUFLEN) NAME_RANGE "%c", name, &dummy) == 1) { | |
| 720 return set_bool_flag(name, true, origin); | |
| 721 } | |
| 722 | |
| 723 char punct; | |
| 724 if (sscanf(arg, "%" XSTR(BUFLEN) NAME_RANGE "%c", name, &punct) == 2 && punct == '=') { | |
| 725 const char* value = strchr(arg, '=') + 1; | |
| 726 Flag* flag = Flag::find_flag(name, strlen(name)); | |
| 727 if (flag != NULL && flag->is_ccstr()) { | |
| 728 if (flag->ccstr_accumulates()) { | |
| 729 return append_to_string_flag(name, value, origin); | |
| 730 } else { | |
| 731 if (value[0] == '\0') { | |
| 732 value = NULL; | |
| 733 } | |
| 734 return set_string_flag(name, value, origin); | |
| 735 } | |
| 736 } | |
| 737 } | |
| 738 | |
| 739 if (sscanf(arg, "%" XSTR(BUFLEN) NAME_RANGE ":%c", name, &punct) == 2 && punct == '=') { | |
| 740 const char* value = strchr(arg, '=') + 1; | |
| 741 // -XX:Foo:=xxx will reset the string flag to the given value. | |
| 742 if (value[0] == '\0') { | |
| 743 value = NULL; | |
| 744 } | |
| 745 return set_string_flag(name, value, origin); | |
| 746 } | |
| 747 | |
| 748 #define SIGNED_FP_NUMBER_RANGE "[-0123456789.]" | |
| 749 #define SIGNED_NUMBER_RANGE "[-0123456789]" | |
| 750 #define NUMBER_RANGE "[0123456789]" | |
| 751 char value[BUFLEN + 1]; | |
| 752 char value2[BUFLEN + 1]; | |
| 753 if (sscanf(arg, "%" XSTR(BUFLEN) NAME_RANGE "=" "%" XSTR(BUFLEN) SIGNED_NUMBER_RANGE "." "%" XSTR(BUFLEN) NUMBER_RANGE "%c", name, value, value2, &dummy) == 3) { | |
| 754 // Looks like a floating-point number -- try again with more lenient format string | |
| 755 if (sscanf(arg, "%" XSTR(BUFLEN) NAME_RANGE "=" "%" XSTR(BUFLEN) SIGNED_FP_NUMBER_RANGE "%c", name, value, &dummy) == 2) { | |
| 756 return set_fp_numeric_flag(name, value, origin); | |
| 757 } | |
| 758 } | |
| 759 | |
| 760 #define VALUE_RANGE "[-kmgtKMGT0123456789]" | |
| 761 if (sscanf(arg, "%" XSTR(BUFLEN) NAME_RANGE "=" "%" XSTR(BUFLEN) VALUE_RANGE "%c", name, value, &dummy) == 2) { | |
| 762 return set_numeric_flag(name, value, origin); | |
| 763 } | |
| 764 | |
| 765 return false; | |
| 766 } | |
| 767 | |
| 768 void Arguments::add_string(char*** bldarray, int* count, const char* arg) { | |
| 769 assert(bldarray != NULL, "illegal argument"); | |
| 770 | |
| 771 if (arg == NULL) { | |
| 772 return; | |
| 773 } | |
| 774 | |
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775 int new_count = *count + 1; |
| 0 | 776 |
| 777 // expand the array and add arg to the last element | |
| 778 if (*bldarray == NULL) { | |
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779 *bldarray = NEW_C_HEAP_ARRAY(char*, new_count, mtInternal); |
| 0 | 780 } else { |
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781 *bldarray = REALLOC_C_HEAP_ARRAY(char*, *bldarray, new_count, mtInternal); |
| 0 | 782 } |
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783 (*bldarray)[*count] = strdup(arg); |
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784 *count = new_count; |
| 0 | 785 } |
| 786 | |
| 787 void Arguments::build_jvm_args(const char* arg) { | |
| 788 add_string(&_jvm_args_array, &_num_jvm_args, arg); | |
| 789 } | |
| 790 | |
| 791 void Arguments::build_jvm_flags(const char* arg) { | |
| 792 add_string(&_jvm_flags_array, &_num_jvm_flags, arg); | |
| 793 } | |
| 794 | |
| 795 // utility function to return a string that concatenates all | |
| 796 // strings in a given char** array | |
| 797 const char* Arguments::build_resource_string(char** args, int count) { | |
| 798 if (args == NULL || count == 0) { | |
| 799 return NULL; | |
| 800 } | |
| 801 size_t length = strlen(args[0]) + 1; // add 1 for the null terminator | |
| 802 for (int i = 1; i < count; i++) { | |
| 803 length += strlen(args[i]) + 1; // add 1 for a space | |
| 804 } | |
| 805 char* s = NEW_RESOURCE_ARRAY(char, length); | |
| 806 strcpy(s, args[0]); | |
| 807 for (int j = 1; j < count; j++) { | |
| 808 strcat(s, " "); | |
| 809 strcat(s, args[j]); | |
| 810 } | |
| 811 return (const char*) s; | |
| 812 } | |
| 813 | |
| 814 void Arguments::print_on(outputStream* st) { | |
| 815 st->print_cr("VM Arguments:"); | |
| 816 if (num_jvm_flags() > 0) { | |
| 817 st->print("jvm_flags: "); print_jvm_flags_on(st); | |
| 818 } | |
| 819 if (num_jvm_args() > 0) { | |
| 820 st->print("jvm_args: "); print_jvm_args_on(st); | |
| 821 } | |
| 822 st->print_cr("java_command: %s", java_command() ? java_command() : "<unknown>"); | |
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823 if (_java_class_path != NULL) { |
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824 char* path = _java_class_path->value(); |
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825 st->print_cr("java_class_path (initial): %s", strlen(path) == 0 ? "<not set>" : path ); |
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826 } |
| 0 | 827 st->print_cr("Launcher Type: %s", _sun_java_launcher); |
| 828 } | |
| 829 | |
| 830 void Arguments::print_jvm_flags_on(outputStream* st) { | |
| 831 if (_num_jvm_flags > 0) { | |
| 832 for (int i=0; i < _num_jvm_flags; i++) { | |
| 833 st->print("%s ", _jvm_flags_array[i]); | |
| 834 } | |
| 835 st->print_cr(""); | |
| 836 } | |
| 837 } | |
| 838 | |
| 839 void Arguments::print_jvm_args_on(outputStream* st) { | |
| 840 if (_num_jvm_args > 0) { | |
| 841 for (int i=0; i < _num_jvm_args; i++) { | |
| 842 st->print("%s ", _jvm_args_array[i]); | |
| 843 } | |
| 844 st->print_cr(""); | |
| 845 } | |
| 846 } | |
| 847 | |
| 242 | 848 bool Arguments::process_argument(const char* arg, |
| 849 jboolean ignore_unrecognized, FlagValueOrigin origin) { | |
| 850 | |
| 851 JDK_Version since = JDK_Version(); | |
| 0 | 852 |
| 3250 | 853 if (parse_argument(arg, origin) || ignore_unrecognized) { |
| 854 return true; | |
| 0 | 855 } |
| 3250 | 856 |
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857 bool has_plus_minus = (*arg == '+' || *arg == '-'); |
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858 const char* const argname = has_plus_minus ? arg + 1 : arg; |
| 3250 | 859 if (is_newly_obsolete(arg, &since)) { |
| 860 char version[256]; | |
| 861 since.to_string(version, sizeof(version)); | |
| 862 warning("ignoring option %s; support was removed in %s", argname, version); | |
| 863 return true; | |
| 864 } | |
| 865 | |
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866 // For locked flags, report a custom error message if available. |
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867 // Otherwise, report the standard unrecognized VM option. |
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868 |
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869 size_t arg_len; |
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870 const char* equal_sign = strchr(argname, '='); |
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871 if (equal_sign == NULL) { |
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872 arg_len = strlen(argname); |
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873 } else { |
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874 arg_len = equal_sign - argname; |
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875 } |
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876 |
| 11070 | 877 Flag* found_flag = Flag::find_flag((const char*)argname, arg_len, true); |
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878 if (found_flag != NULL) { |
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879 char locked_message_buf[BUFLEN]; |
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880 found_flag->get_locked_message(locked_message_buf, BUFLEN); |
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881 if (strlen(locked_message_buf) == 0) { |
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882 if (found_flag->is_bool() && !has_plus_minus) { |
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883 jio_fprintf(defaultStream::error_stream(), |
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884 "Missing +/- setting for VM option '%s'\n", argname); |
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885 } else if (!found_flag->is_bool() && has_plus_minus) { |
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886 jio_fprintf(defaultStream::error_stream(), |
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887 "Unexpected +/- setting in VM option '%s'\n", argname); |
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888 } else { |
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889 jio_fprintf(defaultStream::error_stream(), |
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890 "Improperly specified VM option '%s'\n", argname); |
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891 } |
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892 } else { |
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893 jio_fprintf(defaultStream::error_stream(), "%s", locked_message_buf); |
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894 } |
| 6017 | 895 } else { |
| 896 jio_fprintf(defaultStream::error_stream(), | |
| 897 "Unrecognized VM option '%s'\n", argname); | |
| 11070 | 898 Flag* fuzzy_matched = Flag::fuzzy_match((const char*)argname, arg_len, true); |
| 899 if (fuzzy_matched != NULL) { | |
| 900 jio_fprintf(defaultStream::error_stream(), | |
| 901 "Did you mean '%s%s%s'?\n", | |
| 902 (fuzzy_matched->is_bool()) ? "(+/-)" : "", | |
| 903 fuzzy_matched->name, | |
| 904 (fuzzy_matched->is_bool()) ? "" : "=<value>"); | |
| 905 } | |
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906 } |
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907 |
| 3250 | 908 // allow for commandline "commenting out" options like -XX:#+Verbose |
| 909 return arg[0] == '#'; | |
| 0 | 910 } |
| 911 | |
| 912 bool Arguments::process_settings_file(const char* file_name, bool should_exist, jboolean ignore_unrecognized) { | |
| 913 FILE* stream = fopen(file_name, "rb"); | |
| 914 if (stream == NULL) { | |
| 915 if (should_exist) { | |
| 916 jio_fprintf(defaultStream::error_stream(), | |
| 917 "Could not open settings file %s\n", file_name); | |
| 918 return false; | |
| 919 } else { | |
| 920 return true; | |
| 921 } | |
| 922 } | |
| 923 | |
| 924 char token[1024]; | |
| 925 int pos = 0; | |
| 926 | |
| 927 bool in_white_space = true; | |
| 928 bool in_comment = false; | |
| 929 bool in_quote = false; | |
| 930 char quote_c = 0; | |
| 931 bool result = true; | |
| 932 | |
| 933 int c = getc(stream); | |
| 6901 | 934 while(c != EOF && pos < (int)(sizeof(token)-1)) { |
| 0 | 935 if (in_white_space) { |
| 936 if (in_comment) { | |
| 937 if (c == '\n') in_comment = false; | |
| 938 } else { | |
| 939 if (c == '#') in_comment = true; | |
| 940 else if (!isspace(c)) { | |
| 941 in_white_space = false; | |
| 942 token[pos++] = c; | |
| 943 } | |
| 944 } | |
| 945 } else { | |
| 946 if (c == '\n' || (!in_quote && isspace(c))) { | |
| 947 // token ends at newline, or at unquoted whitespace | |
| 948 // this allows a way to include spaces in string-valued options | |
| 949 token[pos] = '\0'; | |
| 950 logOption(token); | |
| 951 result &= process_argument(token, ignore_unrecognized, CONFIG_FILE); | |
| 952 build_jvm_flags(token); | |
| 953 pos = 0; | |
| 954 in_white_space = true; | |
| 955 in_quote = false; | |
| 956 } else if (!in_quote && (c == '\'' || c == '"')) { | |
| 957 in_quote = true; | |
| 958 quote_c = c; | |
| 959 } else if (in_quote && (c == quote_c)) { | |
| 960 in_quote = false; | |
| 961 } else { | |
| 962 token[pos++] = c; | |
| 963 } | |
| 964 } | |
| 965 c = getc(stream); | |
| 966 } | |
| 967 if (pos > 0) { | |
| 968 token[pos] = '\0'; | |
| 969 result &= process_argument(token, ignore_unrecognized, CONFIG_FILE); | |
| 970 build_jvm_flags(token); | |
| 971 } | |
| 972 fclose(stream); | |
| 973 return result; | |
| 974 } | |
| 975 | |
| 976 //============================================================================================================= | |
| 977 // Parsing of properties (-D) | |
| 978 | |
| 979 const char* Arguments::get_property(const char* key) { | |
| 980 return PropertyList_get_value(system_properties(), key); | |
| 981 } | |
| 982 | |
| 983 bool Arguments::add_property(const char* prop) { | |
| 984 const char* eq = strchr(prop, '='); | |
| 985 char* key; | |
| 986 // ns must be static--its address may be stored in a SystemProperty object. | |
| 987 const static char ns[1] = {0}; | |
| 988 char* value = (char *)ns; | |
| 989 | |
| 990 size_t key_len = (eq == NULL) ? strlen(prop) : (eq - prop); | |
| 6197 | 991 key = AllocateHeap(key_len + 1, mtInternal); |
| 0 | 992 strncpy(key, prop, key_len); |
| 993 key[key_len] = '\0'; | |
| 994 | |
| 995 if (eq != NULL) { | |
| 996 size_t value_len = strlen(prop) - key_len - 1; | |
| 6197 | 997 value = AllocateHeap(value_len + 1, mtInternal); |
| 0 | 998 strncpy(value, &prop[key_len + 1], value_len + 1); |
| 999 } | |
| 1000 | |
| 1001 if (strcmp(key, "java.compiler") == 0) { | |
| 1002 process_java_compiler_argument(value); | |
| 1003 FreeHeap(key); | |
| 1004 if (eq != NULL) { | |
| 1005 FreeHeap(value); | |
| 1006 } | |
| 1007 return true; | |
| 691 | 1008 } else if (strcmp(key, "sun.java.command") == 0) { |
| 0 | 1009 _java_command = value; |
| 1010 | |
|
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1011 // Record value in Arguments, but let it get passed to Java. |
| 691 | 1012 } else if (strcmp(key, "sun.java.launcher.pid") == 0) { |
| 0 | 1013 // launcher.pid property is private and is processed |
| 1014 // in process_sun_java_launcher_properties(); | |
| 1015 // the sun.java.launcher property is passed on to the java application | |
| 1016 FreeHeap(key); | |
| 1017 if (eq != NULL) { | |
| 1018 FreeHeap(value); | |
| 1019 } | |
| 1020 return true; | |
| 691 | 1021 } else if (strcmp(key, "java.vendor.url.bug") == 0) { |
| 0 | 1022 // save it in _java_vendor_url_bug, so JVM fatal error handler can access |
| 1023 // its value without going through the property list or making a Java call. | |
| 1024 _java_vendor_url_bug = value; | |
| 691 | 1025 } else if (strcmp(key, "sun.boot.library.path") == 0) { |
| 1026 PropertyList_unique_add(&_system_properties, key, value, true); | |
| 1027 return true; | |
| 0 | 1028 } |
| 1029 // Create new property and add at the end of the list | |
| 1030 PropertyList_unique_add(&_system_properties, key, value); | |
| 1031 return true; | |
| 1032 } | |
| 1033 | |
| 1034 //=========================================================================================================== | |
| 1035 // Setting int/mixed/comp mode flags | |
| 1036 | |
| 1037 void Arguments::set_mode_flags(Mode mode) { | |
| 1038 // Set up default values for all flags. | |
| 1039 // If you add a flag to any of the branches below, | |
| 1040 // add a default value for it here. | |
| 1041 set_java_compiler(false); | |
| 1042 _mode = mode; | |
| 1043 | |
| 1044 // Ensure Agent_OnLoad has the correct initial values. | |
| 1045 // This may not be the final mode; mode may change later in onload phase. | |
| 1046 PropertyList_unique_add(&_system_properties, "java.vm.info", | |
|
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1047 (char*)VM_Version::vm_info_string(), false); |
| 0 | 1048 |
| 1049 UseInterpreter = true; | |
| 1050 UseCompiler = true; | |
| 1051 UseLoopCounter = true; | |
| 1052 | |
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1053 #ifndef ZERO |
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1054 // Turn these off for mixed and comp. Leave them on for Zero. |
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1055 if (FLAG_IS_DEFAULT(UseFastAccessorMethods)) { |
|
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1056 UseFastAccessorMethods = (mode == _int); |
|
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1057 } |
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1058 if (FLAG_IS_DEFAULT(UseFastEmptyMethods)) { |
|
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1059 UseFastEmptyMethods = (mode == _int); |
|
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1060 } |
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1061 #endif |
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1062 |
| 0 | 1063 // Default values may be platform/compiler dependent - |
| 1064 // use the saved values | |
| 1065 ClipInlining = Arguments::_ClipInlining; | |
| 1066 AlwaysCompileLoopMethods = Arguments::_AlwaysCompileLoopMethods; | |
| 1067 UseOnStackReplacement = Arguments::_UseOnStackReplacement; | |
| 1068 BackgroundCompilation = Arguments::_BackgroundCompilation; | |
| 1069 | |
| 1070 // Change from defaults based on mode | |
| 1071 switch (mode) { | |
| 1072 default: | |
| 1073 ShouldNotReachHere(); | |
| 1074 break; | |
| 1075 case _int: | |
| 1076 UseCompiler = false; | |
| 1077 UseLoopCounter = false; | |
| 1078 AlwaysCompileLoopMethods = false; | |
| 1079 UseOnStackReplacement = false; | |
| 1080 break; | |
| 1081 case _mixed: | |
| 1082 // same as default | |
| 1083 break; | |
| 1084 case _comp: | |
| 1085 UseInterpreter = false; | |
| 1086 BackgroundCompilation = false; | |
| 1087 ClipInlining = false; | |
|
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1088 // Be much more aggressive in tiered mode with -Xcomp and exercise C2 more. |
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1089 // We will first compile a level 3 version (C1 with full profiling), then do one invocation of it and |
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1090 // compile a level 4 (C2) and then continue executing it. |
|
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1091 if (TieredCompilation) { |
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1092 Tier3InvokeNotifyFreqLog = 0; |
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1093 Tier4InvocationThreshold = 0; |
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1094 } |
| 0 | 1095 break; |
| 1096 } | |
| 1097 } | |
| 1098 | |
| 1099 // Conflict: required to use shared spaces (-Xshare:on), but | |
| 1100 // incompatible command line options were chosen. | |
| 1101 | |
| 1102 static void no_shared_spaces() { | |
| 1103 if (RequireSharedSpaces) { | |
| 1104 jio_fprintf(defaultStream::error_stream(), | |
| 1105 "Class data sharing is inconsistent with other specified options.\n"); | |
| 1106 vm_exit_during_initialization("Unable to use shared archive.", NULL); | |
| 1107 } else { | |
| 1108 FLAG_SET_DEFAULT(UseSharedSpaces, false); | |
| 1109 } | |
| 1110 } | |
| 1111 | |
| 1783 | 1112 void Arguments::set_tiered_flags() { |
|
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1113 // With tiered, set default policy to AdvancedThresholdPolicy, which is 3. |
| 1783 | 1114 if (FLAG_IS_DEFAULT(CompilationPolicyChoice)) { |
|
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1115 FLAG_SET_DEFAULT(CompilationPolicyChoice, 3); |
| 1783 | 1116 } |
| 1117 if (CompilationPolicyChoice < 2) { | |
| 1118 vm_exit_during_initialization( | |
| 1119 "Incompatible compilation policy selected", NULL); | |
| 1120 } | |
|
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1121 // Increase the code cache size - tiered compiles a lot more. |
| 1783 | 1122 if (FLAG_IS_DEFAULT(ReservedCodeCacheSize)) { |
|
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1123 FLAG_SET_DEFAULT(ReservedCodeCacheSize, ReservedCodeCacheSize * 5); |
| 1783 | 1124 } |
| 10278 | 1125 if (!UseInterpreter) { // -Xcomp |
| 1126 Tier3InvokeNotifyFreqLog = 0; | |
| 1127 Tier4InvocationThreshold = 0; | |
| 1128 } | |
| 1783 | 1129 } |
| 1130 | |
|
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1131 #if INCLUDE_ALL_GCS |
| 4838 | 1132 static void disable_adaptive_size_policy(const char* collector_name) { |
| 1133 if (UseAdaptiveSizePolicy) { | |
| 1134 if (FLAG_IS_CMDLINE(UseAdaptiveSizePolicy)) { | |
| 1135 warning("disabling UseAdaptiveSizePolicy; it is incompatible with %s.", | |
| 1136 collector_name); | |
| 1137 } | |
| 1138 FLAG_SET_DEFAULT(UseAdaptiveSizePolicy, false); | |
| 1139 } | |
| 1140 } | |
| 1141 | |
| 0 | 1142 void Arguments::set_parnew_gc_flags() { |
| 1064 | 1143 assert(!UseSerialGC && !UseParallelOldGC && !UseParallelGC && !UseG1GC, |
|
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1144 "control point invariant"); |
|
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1145 assert(UseParNewGC, "Error"); |
| 0 | 1146 |
| 4838 | 1147 // Turn off AdaptiveSizePolicy for parnew until it is complete. |
| 1148 disable_adaptive_size_policy("UseParNewGC"); | |
|
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1149 |
|
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1150 if (FLAG_IS_DEFAULT(ParallelGCThreads)) { |
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1151 FLAG_SET_DEFAULT(ParallelGCThreads, Abstract_VM_Version::parallel_worker_threads()); |
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1152 assert(ParallelGCThreads > 0, "We should always have at least one thread by default"); |
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1153 } else if (ParallelGCThreads == 0) { |
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1154 jio_fprintf(defaultStream::error_stream(), |
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1155 "The ParNew GC can not be combined with -XX:ParallelGCThreads=0\n"); |
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1156 vm_exit(1); |
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1157 } |
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1158 |
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1159 // By default YoungPLABSize and OldPLABSize are set to 4096 and 1024 respectively, |
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1160 // these settings are default for Parallel Scavenger. For ParNew+Tenured configuration |
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1161 // we set them to 1024 and 1024. |
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1162 // See CR 6362902. |
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1163 if (FLAG_IS_DEFAULT(YoungPLABSize)) { |
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1164 FLAG_SET_DEFAULT(YoungPLABSize, (intx)1024); |
| 0 | 1165 } |
|
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1166 if (FLAG_IS_DEFAULT(OldPLABSize)) { |
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1167 FLAG_SET_DEFAULT(OldPLABSize, (intx)1024); |
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1168 } |
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1169 |
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1170 // AlwaysTenure flag should make ParNew promote all at first collection. |
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1171 // See CR 6362902. |
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1172 if (AlwaysTenure) { |
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1173 FLAG_SET_CMDLINE(uintx, MaxTenuringThreshold, 0); |
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1174 } |
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1175 // When using compressed oops, we use local overflow stacks, |
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1176 // rather than using a global overflow list chained through |
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1177 // the klass word of the object's pre-image. |
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1178 if (UseCompressedOops && !ParGCUseLocalOverflow) { |
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1179 if (!FLAG_IS_DEFAULT(ParGCUseLocalOverflow)) { |
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1180 warning("Forcing +ParGCUseLocalOverflow: needed if using compressed references"); |
| 0 | 1181 } |
|
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1182 FLAG_SET_DEFAULT(ParGCUseLocalOverflow, true); |
| 0 | 1183 } |
|
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1184 assert(ParGCUseLocalOverflow || !UseCompressedOops, "Error"); |
| 0 | 1185 } |
| 1186 | |
| 1187 // Adjust some sizes to suit CMS and/or ParNew needs; these work well on | |
| 1188 // sparc/solaris for certain applications, but would gain from | |
| 1189 // further optimization and tuning efforts, and would almost | |
| 1190 // certainly gain from analysis of platform and environment. | |
| 1191 void Arguments::set_cms_and_parnew_gc_flags() { | |
| 1064 | 1192 assert(!UseSerialGC && !UseParallelOldGC && !UseParallelGC, "Error"); |
|
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1193 assert(UseConcMarkSweepGC, "CMS is expected to be on here"); |
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1194 |
| 0 | 1195 // If we are using CMS, we prefer to UseParNewGC, |
| 1196 // unless explicitly forbidden. | |
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1197 if (FLAG_IS_DEFAULT(UseParNewGC)) { |
|
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1198 FLAG_SET_ERGO(bool, UseParNewGC, true); |
| 0 | 1199 } |
| 1200 | |
|
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1201 // Turn off AdaptiveSizePolicy by default for cms until it is complete. |
| 4838 | 1202 disable_adaptive_size_policy("UseConcMarkSweepGC"); |
| 0 | 1203 |
| 1204 // In either case, adjust ParallelGCThreads and/or UseParNewGC | |
| 1205 // as needed. | |
|
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1206 if (UseParNewGC) { |
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1207 set_parnew_gc_flags(); |
| 0 | 1208 } |
| 1209 | |
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1210 size_t max_heap = align_size_down(MaxHeapSize, |
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1211 CardTableRS::ct_max_alignment_constraint()); |
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1212 |
| 0 | 1213 // Now make adjustments for CMS |
|
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1214 intx tenuring_default = (intx)6; |
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1215 size_t young_gen_per_worker = CMSYoungGenPerWorker; |
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1216 |
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1217 // Preferred young gen size for "short" pauses: |
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1218 // upper bound depends on # of threads and NewRatio. |
| 0 | 1219 const uintx parallel_gc_threads = |
| 1220 (ParallelGCThreads == 0 ? 1 : ParallelGCThreads); | |
| 1221 const size_t preferred_max_new_size_unaligned = | |
|
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1222 MIN2(max_heap/(NewRatio+1), ScaleForWordSize(young_gen_per_worker * parallel_gc_threads)); |
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1223 size_t preferred_max_new_size = |
| 0 | 1224 align_size_up(preferred_max_new_size_unaligned, os::vm_page_size()); |
| 1225 | |
| 1226 // Unless explicitly requested otherwise, size young gen | |
|
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1227 // for "short" pauses ~ CMSYoungGenPerWorker*ParallelGCThreads |
|
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1228 |
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1229 // If either MaxNewSize or NewRatio is set on the command line, |
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1230 // assume the user is trying to set the size of the young gen. |
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1231 if (FLAG_IS_DEFAULT(MaxNewSize) && FLAG_IS_DEFAULT(NewRatio)) { |
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1232 |
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1233 // Set MaxNewSize to our calculated preferred_max_new_size unless |
|
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1234 // NewSize was set on the command line and it is larger than |
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1235 // preferred_max_new_size. |
| 0 | 1236 if (!FLAG_IS_DEFAULT(NewSize)) { // NewSize explicitly set at command-line |
|
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1237 FLAG_SET_ERGO(uintx, MaxNewSize, MAX2(NewSize, preferred_max_new_size)); |
| 0 | 1238 } else { |
|
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1239 FLAG_SET_ERGO(uintx, MaxNewSize, preferred_max_new_size); |
| 0 | 1240 } |
| 1064 | 1241 if (PrintGCDetails && Verbose) { |
|
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1242 // Too early to use gclog_or_tty |
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1243 tty->print_cr("CMS ergo set MaxNewSize: " SIZE_FORMAT, MaxNewSize); |
|
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1244 } |
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1245 |
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1246 // Code along this path potentially sets NewSize and OldSize |
| 1064 | 1247 if (PrintGCDetails && Verbose) { |
|
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1248 // Too early to use gclog_or_tty |
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1249 tty->print_cr("CMS set min_heap_size: " SIZE_FORMAT |
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1250 " initial_heap_size: " SIZE_FORMAT |
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1251 " max_heap: " SIZE_FORMAT, |
| 1064 | 1252 min_heap_size(), InitialHeapSize, max_heap); |
|
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1253 } |
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1254 size_t min_new = preferred_max_new_size; |
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1255 if (FLAG_IS_CMDLINE(NewSize)) { |
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1256 min_new = NewSize; |
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1257 } |
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1258 if (max_heap > min_new && min_heap_size() > min_new) { |
| 0 | 1259 // Unless explicitly requested otherwise, make young gen |
| 1260 // at least min_new, and at most preferred_max_new_size. | |
| 1261 if (FLAG_IS_DEFAULT(NewSize)) { | |
|
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1262 FLAG_SET_ERGO(uintx, NewSize, MAX2(NewSize, min_new)); |
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1263 FLAG_SET_ERGO(uintx, NewSize, MIN2(preferred_max_new_size, NewSize)); |
| 1064 | 1264 if (PrintGCDetails && Verbose) { |
|
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1265 // Too early to use gclog_or_tty |
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1266 tty->print_cr("CMS ergo set NewSize: " SIZE_FORMAT, NewSize); |
|
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1267 } |
| 0 | 1268 } |
| 1269 // Unless explicitly requested otherwise, size old gen | |
|
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1270 // so it's NewRatio x of NewSize. |
| 0 | 1271 if (FLAG_IS_DEFAULT(OldSize)) { |
| 1272 if (max_heap > NewSize) { | |
|
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1273 FLAG_SET_ERGO(uintx, OldSize, MIN2(NewRatio*NewSize, max_heap - NewSize)); |
| 1064 | 1274 if (PrintGCDetails && Verbose) { |
|
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1275 // Too early to use gclog_or_tty |
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1276 tty->print_cr("CMS ergo set OldSize: " SIZE_FORMAT, OldSize); |
|
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1277 } |
| 0 | 1278 } |
| 1279 } | |
| 1280 } | |
| 1281 } | |
| 1282 // Unless explicitly requested otherwise, definitely | |
| 1283 // promote all objects surviving "tenuring_default" scavenges. | |
| 1284 if (FLAG_IS_DEFAULT(MaxTenuringThreshold) && | |
| 1285 FLAG_IS_DEFAULT(SurvivorRatio)) { | |
| 6818 | 1286 FLAG_SET_ERGO(uintx, MaxTenuringThreshold, tenuring_default); |
| 0 | 1287 } |
| 1288 // If we decided above (or user explicitly requested) | |
| 1289 // `promote all' (via MaxTenuringThreshold := 0), | |
| 1290 // prefer minuscule survivor spaces so as not to waste | |
| 1291 // space for (non-existent) survivors | |
| 1292 if (FLAG_IS_DEFAULT(SurvivorRatio) && MaxTenuringThreshold == 0) { | |
| 8035 | 1293 FLAG_SET_ERGO(uintx, SurvivorRatio, MAX2((uintx)1024, SurvivorRatio)); |
| 0 | 1294 } |
| 1295 // If OldPLABSize is set and CMSParPromoteBlocksToClaim is not, | |
| 1296 // set CMSParPromoteBlocksToClaim equal to OldPLABSize. | |
| 1297 // This is done in order to make ParNew+CMS configuration to work | |
| 1298 // with YoungPLABSize and OldPLABSize options. | |
| 1299 // See CR 6362902. | |
| 1300 if (!FLAG_IS_DEFAULT(OldPLABSize)) { | |
| 1301 if (FLAG_IS_DEFAULT(CMSParPromoteBlocksToClaim)) { | |
|
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1302 // OldPLABSize is not the default value but CMSParPromoteBlocksToClaim |
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1303 // is. In this situtation let CMSParPromoteBlocksToClaim follow |
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1304 // the value (either from the command line or ergonomics) of |
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1305 // OldPLABSize. Following OldPLABSize is an ergonomics decision. |
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1306 FLAG_SET_ERGO(uintx, CMSParPromoteBlocksToClaim, OldPLABSize); |
|
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1307 } else { |
| 0 | 1308 // OldPLABSize and CMSParPromoteBlocksToClaim are both set. |
| 1309 // CMSParPromoteBlocksToClaim is a collector-specific flag, so | |
| 1310 // we'll let it to take precedence. | |
| 1311 jio_fprintf(defaultStream::error_stream(), | |
|
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1312 "Both OldPLABSize and CMSParPromoteBlocksToClaim" |
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1313 " options are specified for the CMS collector." |
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1314 " CMSParPromoteBlocksToClaim will take precedence.\n"); |
| 0 | 1315 } |
| 1316 } | |
|
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1317 if (!FLAG_IS_DEFAULT(ResizeOldPLAB) && !ResizeOldPLAB) { |
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1318 // OldPLAB sizing manually turned off: Use a larger default setting, |
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1319 // unless it was manually specified. This is because a too-low value |
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1320 // will slow down scavenges. |
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1321 if (FLAG_IS_DEFAULT(CMSParPromoteBlocksToClaim)) { |
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1322 FLAG_SET_ERGO(uintx, CMSParPromoteBlocksToClaim, 50); // default value before 6631166 |
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1323 } |
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1324 } |
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1325 // Overwrite OldPLABSize which is the variable we will internally use everywhere. |
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1326 FLAG_SET_ERGO(uintx, OldPLABSize, CMSParPromoteBlocksToClaim); |
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1327 // If either of the static initialization defaults have changed, note this |
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1328 // modification. |
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1329 if (!FLAG_IS_DEFAULT(CMSParPromoteBlocksToClaim) || !FLAG_IS_DEFAULT(OldPLABWeight)) { |
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1330 CFLS_LAB::modify_initialization(OldPLABSize, OldPLABWeight); |
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1331 } |
| 1284 | 1332 if (PrintGCDetails && Verbose) { |
| 1333 tty->print_cr("MarkStackSize: %uk MarkStackSizeMax: %uk", | |
| 1334 MarkStackSize / K, MarkStackSizeMax / K); | |
| 1335 tty->print_cr("ConcGCThreads: %u", ConcGCThreads); | |
| 1336 } | |
| 0 | 1337 } |
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1338 #endif // INCLUDE_ALL_GCS |
| 0 | 1339 |
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1340 void set_object_alignment() { |
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1341 // Object alignment. |
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1342 assert(is_power_of_2(ObjectAlignmentInBytes), "ObjectAlignmentInBytes must be power of 2"); |
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1343 MinObjAlignmentInBytes = ObjectAlignmentInBytes; |
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1344 assert(MinObjAlignmentInBytes >= HeapWordsPerLong * HeapWordSize, "ObjectAlignmentInBytes value is too small"); |
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1345 MinObjAlignment = MinObjAlignmentInBytes / HeapWordSize; |
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1346 assert(MinObjAlignmentInBytes == MinObjAlignment * HeapWordSize, "ObjectAlignmentInBytes value is incorrect"); |
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1347 MinObjAlignmentInBytesMask = MinObjAlignmentInBytes - 1; |
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1348 |
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1349 LogMinObjAlignmentInBytes = exact_log2(ObjectAlignmentInBytes); |
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1350 LogMinObjAlignment = LogMinObjAlignmentInBytes - LogHeapWordSize; |
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1351 |
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1352 // Oop encoding heap max |
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1353 OopEncodingHeapMax = (uint64_t(max_juint) + 1) << LogMinObjAlignmentInBytes; |
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1354 |
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1355 #if INCLUDE_ALL_GCS |
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1356 // Set CMS global values |
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1357 CompactibleFreeListSpace::set_cms_values(); |
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1358 #endif // INCLUDE_ALL_GCS |
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1359 } |
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1360 |
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1361 bool verify_object_alignment() { |
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1362 // Object alignment. |
|
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1363 if (!is_power_of_2(ObjectAlignmentInBytes)) { |
|
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1364 jio_fprintf(defaultStream::error_stream(), |
|
1829
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1365 "error: ObjectAlignmentInBytes=%d must be power of 2\n", |
|
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1366 (int)ObjectAlignmentInBytes); |
|
1571
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1367 return false; |
|
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1368 } |
|
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1369 if ((int)ObjectAlignmentInBytes < BytesPerLong) { |
|
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1370 jio_fprintf(defaultStream::error_stream(), |
|
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1371 "error: ObjectAlignmentInBytes=%d must be greater or equal %d\n", |
|
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1372 (int)ObjectAlignmentInBytes, BytesPerLong); |
|
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1373 return false; |
|
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|
1374 } |
|
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|
1375 // It does not make sense to have big object alignment |
|
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1376 // since a space lost due to alignment will be greater |
|
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1377 // then a saved space from compressed oops. |
|
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1378 if ((int)ObjectAlignmentInBytes > 256) { |
|
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1379 jio_fprintf(defaultStream::error_stream(), |
|
7461
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1380 "error: ObjectAlignmentInBytes=%d must not be greater than 256\n", |
|
1829
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1381 (int)ObjectAlignmentInBytes); |
|
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1382 return false; |
|
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|
1383 } |
|
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1384 // In case page size is very small. |
|
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1385 if ((int)ObjectAlignmentInBytes >= os::vm_page_size()) { |
|
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1386 jio_fprintf(defaultStream::error_stream(), |
|
7461
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1387 "error: ObjectAlignmentInBytes=%d must be less than page size %d\n", |
|
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|
1388 (int)ObjectAlignmentInBytes, os::vm_page_size()); |
|
1571
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1389 return false; |
|
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1390 } |
|
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1391 return true; |
|
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1392 } |
|
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1393 |
|
135
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1394 inline uintx max_heap_for_compressed_oops() { |
| 1963 | 1395 // Avoid sign flip. |
|
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1396 assert(OopEncodingHeapMax > (uint64_t)os::vm_page_size(), "Unusual page size"); |
|
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1397 LP64_ONLY(return OopEncodingHeapMax - os::vm_page_size()); |
| 1064 | 1398 NOT_LP64(ShouldNotReachHere(); return 0); |
|
135
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1399 } |
|
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|
1400 |
| 0 | 1401 bool Arguments::should_auto_select_low_pause_collector() { |
| 1402 if (UseAutoGCSelectPolicy && | |
| 1403 !FLAG_IS_DEFAULT(MaxGCPauseMillis) && | |
| 1404 (MaxGCPauseMillis <= AutoGCSelectPauseMillis)) { | |
| 1405 if (PrintGCDetails) { | |
| 1406 // Cannot use gclog_or_tty yet. | |
| 1407 tty->print_cr("Automatic selection of the low pause collector" | |
| 1408 " based on pause goal of %d (ms)", MaxGCPauseMillis); | |
| 1409 } | |
| 1410 return true; | |
| 1411 } | |
| 1412 return false; | |
| 1413 } | |
| 1414 | |
|
8741
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1415 void Arguments::set_use_compressed_oops() { |
|
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|
1416 #ifndef ZERO |
|
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|
1417 #ifdef _LP64 |
|
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|
1418 // MaxHeapSize is not set up properly at this point, but |
|
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|
1419 // the only value that can override MaxHeapSize if we are |
|
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|
1420 // to use UseCompressedOops is InitialHeapSize. |
|
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|
1421 size_t max_heap_size = MAX2(MaxHeapSize, InitialHeapSize); |
|
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1422 |
|
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|
1423 if (max_heap_size <= max_heap_for_compressed_oops()) { |
|
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|
1424 #if !defined(COMPILER1) || defined(TIERED) |
|
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1425 if (FLAG_IS_DEFAULT(UseCompressedOops)) { |
|
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|
1426 FLAG_SET_ERGO(bool, UseCompressedOops, true); |
|
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1427 } |
|
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|
1428 #endif |
|
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|
1429 #ifdef _WIN64 |
|
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|
1430 if (UseLargePages && UseCompressedOops) { |
|
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|
1431 // Cannot allocate guard pages for implicit checks in indexed addressing |
|
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|
1432 // mode, when large pages are specified on windows. |
|
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|
1433 // This flag could be switched ON if narrow oop base address is set to 0, |
|
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|
1434 // see code in Universe::initialize_heap(). |
|
eac371996b44
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|
1435 Universe::set_narrow_oop_use_implicit_null_checks(false); |
|
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|
1436 } |
|
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|
1437 #endif // _WIN64 |
|
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1438 } else { |
|
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|
1439 if (UseCompressedOops && !FLAG_IS_DEFAULT(UseCompressedOops)) { |
|
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|
1440 warning("Max heap size too large for Compressed Oops"); |
|
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|
1441 FLAG_SET_DEFAULT(UseCompressedOops, false); |
|
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|
1442 FLAG_SET_DEFAULT(UseCompressedKlassPointers, false); |
|
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|
1443 } |
|
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|
1444 } |
|
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|
1445 #endif // _LP64 |
|
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|
1446 #endif // ZERO |
|
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|
1447 } |
|
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|
1448 |
|
12056
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|
1449 |
|
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|
1450 // NOTE: set_use_compressed_klass_ptrs() must be called after calling |
|
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|
1451 // set_use_compressed_oops(). |
|
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|
1452 void Arguments::set_use_compressed_klass_ptrs() { |
|
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|
1453 #ifndef ZERO |
|
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|
1454 #ifdef _LP64 |
|
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|
1455 // UseCompressedOops must be on for UseCompressedKlassPointers to be on. |
|
740e263c80c6
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|
1456 if (!UseCompressedOops) { |
|
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|
1457 if (UseCompressedKlassPointers) { |
|
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|
1458 warning("UseCompressedKlassPointers requires UseCompressedOops"); |
|
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|
1459 } |
|
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|
1460 FLAG_SET_DEFAULT(UseCompressedKlassPointers, false); |
|
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|
1461 } else { |
|
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|
1462 // Turn on UseCompressedKlassPointers too |
|
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|
1463 if (FLAG_IS_DEFAULT(UseCompressedKlassPointers)) { |
|
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|
1464 FLAG_SET_ERGO(bool, UseCompressedKlassPointers, true); |
|
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|
1465 } |
|
740e263c80c6
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|
1466 // Check the ClassMetaspaceSize to make sure we use compressed klass ptrs. |
|
740e263c80c6
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|
1467 if (UseCompressedKlassPointers) { |
|
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|
1468 if (ClassMetaspaceSize > KlassEncodingMetaspaceMax) { |
|
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|
1469 warning("Class metaspace size is too large for UseCompressedKlassPointers"); |
|
740e263c80c6
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|
1470 FLAG_SET_DEFAULT(UseCompressedKlassPointers, false); |
|
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|
1471 } |
|
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|
1472 } |
|
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|
1473 } |
|
740e263c80c6
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|
1474 #endif // _LP64 |
|
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|
1475 #endif // !ZERO |
|
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|
1476 } |
|
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|
1477 |
| 0 | 1478 void Arguments::set_ergonomics_flags() { |
| 1479 | |
| 4946 | 1480 if (os::is_server_class_machine()) { |
| 0 | 1481 // If no other collector is requested explicitly, |
| 1482 // let the VM select the collector based on | |
| 1483 // machine class and automatic selection policy. | |
| 1484 if (!UseSerialGC && | |
| 1485 !UseConcMarkSweepGC && | |
|
342
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|
1486 !UseG1GC && |
| 0 | 1487 !UseParNewGC && |
| 1488 FLAG_IS_DEFAULT(UseParallelGC)) { | |
| 1489 if (should_auto_select_low_pause_collector()) { | |
| 1490 FLAG_SET_ERGO(bool, UseConcMarkSweepGC, true); | |
| 1491 } else { | |
| 1492 FLAG_SET_ERGO(bool, UseParallelGC, true); | |
| 1493 } | |
|
6725
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|
1494 } |
|
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|
1495 // Shared spaces work fine with other GCs but causes bytecode rewriting |
|
da91efe96a93
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|
1496 // to be disabled, which hurts interpreter performance and decreases |
|
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|
1497 // server performance. On server class machines, keep the default |
|
da91efe96a93
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|
1498 // off unless it is asked for. Future work: either add bytecode rewriting |
|
da91efe96a93
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|
1499 // at link time, or rewrite bytecodes in non-shared methods. |
|
12056
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|
1500 if (!DumpSharedSpaces && !RequireSharedSpaces && |
|
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|
1501 (FLAG_IS_DEFAULT(UseSharedSpaces) || !UseSharedSpaces)) { |
| 0 | 1502 no_shared_spaces(); |
| 1503 } | |
| 1504 } | |
|
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1505 |
| 1010 | 1506 #ifndef ZERO |
|
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1507 #ifdef _LP64 |
|
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1508 set_use_compressed_oops(); |
|
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1509 |
|
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1510 // set_use_compressed_klass_ptrs() must be called after calling |
|
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1511 // set_use_compressed_oops(). |
|
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1512 set_use_compressed_klass_ptrs(); |
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1513 |
|
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1514 // Also checks that certain machines are slower with compressed oops |
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1515 // in vm_version initialization code. |
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1516 #endif // _LP64 |
| 1010 | 1517 #endif // !ZERO |
| 0 | 1518 } |
| 1519 | |
| 1520 void Arguments::set_parallel_gc_flags() { | |
|
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|
1521 assert(UseParallelGC || UseParallelOldGC, "Error"); |
| 4879 | 1522 // Enable ParallelOld unless it was explicitly disabled (cmd line or rc file). |
| 1523 if (FLAG_IS_DEFAULT(UseParallelOldGC)) { | |
| 1524 FLAG_SET_DEFAULT(UseParallelOldGC, true); | |
| 0 | 1525 } |
| 4879 | 1526 FLAG_SET_DEFAULT(UseParallelGC, true); |
| 0 | 1527 |
| 1528 // If no heap maximum was requested explicitly, use some reasonable fraction | |
| 1529 // of the physical memory, up to a maximum of 1GB. | |
|
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|
1530 FLAG_SET_DEFAULT(ParallelGCThreads, |
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|
1531 Abstract_VM_Version::parallel_worker_threads()); |
|
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|
1532 if (ParallelGCThreads == 0) { |
|
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|
1533 jio_fprintf(defaultStream::error_stream(), |
|
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|
1534 "The Parallel GC can not be combined with -XX:ParallelGCThreads=0\n"); |
|
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|
1535 vm_exit(1); |
|
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|
1536 } |
|
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|
1537 |
|
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|
1538 |
|
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1539 // If InitialSurvivorRatio or MinSurvivorRatio were not specified, but the |
|
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|
1540 // SurvivorRatio has been set, reset their default values to SurvivorRatio + |
|
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|
1541 // 2. By doing this we make SurvivorRatio also work for Parallel Scavenger. |
|
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|
1542 // See CR 6362902 for details. |
|
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|
1543 if (!FLAG_IS_DEFAULT(SurvivorRatio)) { |
|
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|
1544 if (FLAG_IS_DEFAULT(InitialSurvivorRatio)) { |
|
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|
1545 FLAG_SET_DEFAULT(InitialSurvivorRatio, SurvivorRatio + 2); |
| 0 | 1546 } |
|
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|
1547 if (FLAG_IS_DEFAULT(MinSurvivorRatio)) { |
|
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|
1548 FLAG_SET_DEFAULT(MinSurvivorRatio, SurvivorRatio + 2); |
|
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|
1549 } |
|
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|
1550 } |
|
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|
1551 |
|
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|
1552 if (UseParallelOldGC) { |
|
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|
1553 // Par compact uses lower default values since they are treated as |
|
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|
1554 // minimums. These are different defaults because of the different |
|
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|
1555 // interpretation and are not ergonomically set. |
|
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|
1556 if (FLAG_IS_DEFAULT(MarkSweepDeadRatio)) { |
|
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|
1557 FLAG_SET_DEFAULT(MarkSweepDeadRatio, 1); |
| 0 | 1558 } |
| 1559 } | |
| 1560 } | |
| 1561 | |
|
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|
1562 void Arguments::set_g1_gc_flags() { |
|
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|
1563 assert(UseG1GC, "Error"); |
|
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|
1564 #ifdef COMPILER1 |
|
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|
1565 FastTLABRefill = false; |
|
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|
1566 #endif |
|
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|
1567 FLAG_SET_DEFAULT(ParallelGCThreads, |
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|
1568 Abstract_VM_Version::parallel_worker_threads()); |
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|
1569 if (ParallelGCThreads == 0) { |
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|
1570 FLAG_SET_DEFAULT(ParallelGCThreads, |
| 751 | 1571 Abstract_VM_Version::parallel_worker_threads()); |
|
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|
1572 } |
| 751 | 1573 |
|
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|
1574 // MarkStackSize will be set (if it hasn't been set by the user) |
|
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|
1575 // when concurrent marking is initialized. |
|
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|
1576 // Its value will be based upon the number of parallel marking threads. |
|
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|
1577 // But we do set the maximum mark stack size here. |
|
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|
1578 if (FLAG_IS_DEFAULT(MarkStackSizeMax)) { |
|
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|
1579 FLAG_SET_DEFAULT(MarkStackSizeMax, 128 * TASKQUEUE_SIZE); |
| 1284 | 1580 } |
| 1356 | 1581 |
| 1582 if (FLAG_IS_DEFAULT(GCTimeRatio) || GCTimeRatio == 0) { | |
| 1583 // In G1, we want the default GC overhead goal to be higher than | |
| 1584 // say in PS. So we set it here to 10%. Otherwise the heap might | |
| 1585 // be expanded more aggressively than we would like it to. In | |
| 1586 // fact, even 10% seems to not be high enough in some cases | |
| 1587 // (especially small GC stress tests that the main thing they do | |
| 1588 // is allocation). We might consider increase it further. | |
| 1589 FLAG_SET_DEFAULT(GCTimeRatio, 9); | |
| 1590 } | |
|
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|
1591 |
|
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|
1592 if (PrintGCDetails && Verbose) { |
|
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|
1593 tty->print_cr("MarkStackSize: %uk MarkStackSizeMax: %uk", |
|
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|
1594 MarkStackSize / K, MarkStackSizeMax / K); |
|
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|
1595 tty->print_cr("ConcGCThreads: %u", ConcGCThreads); |
|
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|
1596 } |
|
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1597 } |
|
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|
1598 |
|
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|
1599 julong Arguments::limit_by_allocatable_memory(julong limit) { |
|
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|
1600 julong max_allocatable; |
|
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|
1601 julong result = limit; |
|
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|
1602 if (os::has_allocatable_memory_limit(&max_allocatable)) { |
|
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|
1603 result = MIN2(result, max_allocatable / MaxVirtMemFraction); |
|
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|
1604 } |
|
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|
1605 return result; |
|
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|
1606 } |
|
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|
1607 |
| 1064 | 1608 void Arguments::set_heap_size() { |
| 1609 if (!FLAG_IS_DEFAULT(DefaultMaxRAMFraction)) { | |
| 1610 // Deprecated flag | |
| 1611 FLAG_SET_CMDLINE(uintx, MaxRAMFraction, DefaultMaxRAMFraction); | |
| 1612 } | |
| 1613 | |
| 1614 const julong phys_mem = | |
| 1615 FLAG_IS_DEFAULT(MaxRAM) ? MIN2(os::physical_memory(), (julong)MaxRAM) | |
| 1616 : (julong)MaxRAM; | |
| 1617 | |
| 1618 // If the maximum heap size has not been set with -Xmx, | |
| 1619 // then set it as fraction of the size of physical memory, | |
| 1620 // respecting the maximum and minimum sizes of the heap. | |
|
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|
1621 if (FLAG_IS_DEFAULT(MaxHeapSize)) { |
| 1064 | 1622 julong reasonable_max = phys_mem / MaxRAMFraction; |
| 1623 | |
| 1624 if (phys_mem <= MaxHeapSize * MinRAMFraction) { | |
| 1625 // Small physical memory, so use a minimum fraction of it for the heap | |
| 1626 reasonable_max = phys_mem / MinRAMFraction; | |
| 1627 } else { | |
| 1628 // Not-small physical memory, so require a heap at least | |
| 1629 // as large as MaxHeapSize | |
| 1630 reasonable_max = MAX2(reasonable_max, (julong)MaxHeapSize); | |
| 1631 } | |
| 1632 if (!FLAG_IS_DEFAULT(ErgoHeapSizeLimit) && ErgoHeapSizeLimit != 0) { | |
| 1633 // Limit the heap size to ErgoHeapSizeLimit | |
| 1634 reasonable_max = MIN2(reasonable_max, (julong)ErgoHeapSizeLimit); | |
|
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|
1635 } |
| 1064 | 1636 if (UseCompressedOops) { |
| 1637 // Limit the heap size to the maximum possible when using compressed oops | |
| 1963 | 1638 julong max_coop_heap = (julong)max_heap_for_compressed_oops(); |
| 1639 if (HeapBaseMinAddress + MaxHeapSize < max_coop_heap) { | |
| 1640 // Heap should be above HeapBaseMinAddress to get zero based compressed oops | |
| 1641 // but it should be not less than default MaxHeapSize. | |
| 1642 max_coop_heap -= HeapBaseMinAddress; | |
| 1643 } | |
| 1644 reasonable_max = MIN2(reasonable_max, max_coop_heap); | |
| 1064 | 1645 } |
|
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|
1646 reasonable_max = limit_by_allocatable_memory(reasonable_max); |
| 1064 | 1647 |
| 1648 if (!FLAG_IS_DEFAULT(InitialHeapSize)) { | |
| 1649 // An initial heap size was specified on the command line, | |
| 1650 // so be sure that the maximum size is consistent. Done | |
|
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|
1651 // after call to limit_by_allocatable_memory because that |
| 1064 | 1652 // method might reduce the allocation size. |
| 1653 reasonable_max = MAX2(reasonable_max, (julong)InitialHeapSize); | |
| 1654 } | |
| 1655 | |
|
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1656 if (PrintGCDetails && Verbose) { |
|
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|
1657 // Cannot use gclog_or_tty yet. |
| 1064 | 1658 tty->print_cr(" Maximum heap size " SIZE_FORMAT, reasonable_max); |
|
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|
1659 } |
| 1064 | 1660 FLAG_SET_ERGO(uintx, MaxHeapSize, (uintx)reasonable_max); |
| 1661 } | |
| 1662 | |
|
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|
1663 // If the minimum or initial heap_size have not been set or requested to be set |
|
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|
1664 // ergonomically, set them accordingly. |
|
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|
1665 if (InitialHeapSize == 0 || min_heap_size() == 0) { |
|
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|
1666 julong reasonable_minimum = (julong)(OldSize + NewSize); |
|
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|
1667 |
|
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|
1668 reasonable_minimum = MIN2(reasonable_minimum, (julong)MaxHeapSize); |
|
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|
1669 |
|
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|
1670 reasonable_minimum = limit_by_allocatable_memory(reasonable_minimum); |
|
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|
1671 |
|
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|
1672 if (InitialHeapSize == 0) { |
|
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|
1673 julong reasonable_initial = phys_mem / InitialRAMFraction; |
|
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|
1674 |
|
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|
1675 reasonable_initial = MAX3(reasonable_initial, reasonable_minimum, (julong)min_heap_size()); |
|
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|
1676 reasonable_initial = MIN2(reasonable_initial, (julong)MaxHeapSize); |
|
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|
1677 |
|
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|
1678 reasonable_initial = limit_by_allocatable_memory(reasonable_initial); |
|
d17700c82d7d
8006088: Incompatible heap size flags accepted by VM
tschatzl
parents:
10240
diff
changeset
|
1679 |
|
d17700c82d7d
8006088: Incompatible heap size flags accepted by VM
tschatzl
parents:
10240
diff
changeset
|
1680 if (PrintGCDetails && Verbose) { |
|
d17700c82d7d
8006088: Incompatible heap size flags accepted by VM
tschatzl
parents:
10240
diff
changeset
|
1681 // Cannot use gclog_or_tty yet. |
|
d17700c82d7d
8006088: Incompatible heap size flags accepted by VM
tschatzl
parents:
10240
diff
changeset
|
1682 tty->print_cr(" Initial heap size " SIZE_FORMAT, (uintx)reasonable_initial); |
|
d17700c82d7d
8006088: Incompatible heap size flags accepted by VM
tschatzl
parents:
10240
diff
changeset
|
1683 } |
|
d17700c82d7d
8006088: Incompatible heap size flags accepted by VM
tschatzl
parents:
10240
diff
changeset
|
1684 FLAG_SET_ERGO(uintx, InitialHeapSize, (uintx)reasonable_initial); |
|
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
1685 } |
|
10241
d17700c82d7d
8006088: Incompatible heap size flags accepted by VM
tschatzl
parents:
10240
diff
changeset
|
1686 // If the minimum heap size has not been set (via -Xms), |
|
d17700c82d7d
8006088: Incompatible heap size flags accepted by VM
tschatzl
parents:
10240
diff
changeset
|
1687 // synchronize with InitialHeapSize to avoid errors with the default value. |
|
d17700c82d7d
8006088: Incompatible heap size flags accepted by VM
tschatzl
parents:
10240
diff
changeset
|
1688 if (min_heap_size() == 0) { |
|
d17700c82d7d
8006088: Incompatible heap size flags accepted by VM
tschatzl
parents:
10240
diff
changeset
|
1689 set_min_heap_size(MIN2((uintx)reasonable_minimum, InitialHeapSize)); |
|
d17700c82d7d
8006088: Incompatible heap size flags accepted by VM
tschatzl
parents:
10240
diff
changeset
|
1690 if (PrintGCDetails && Verbose) { |
|
d17700c82d7d
8006088: Incompatible heap size flags accepted by VM
tschatzl
parents:
10240
diff
changeset
|
1691 // Cannot use gclog_or_tty yet. |
|
d17700c82d7d
8006088: Incompatible heap size flags accepted by VM
tschatzl
parents:
10240
diff
changeset
|
1692 tty->print_cr(" Minimum heap size " SIZE_FORMAT, min_heap_size()); |
|
d17700c82d7d
8006088: Incompatible heap size flags accepted by VM
tschatzl
parents:
10240
diff
changeset
|
1693 } |
|
d17700c82d7d
8006088: Incompatible heap size flags accepted by VM
tschatzl
parents:
10240
diff
changeset
|
1694 } |
|
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
1695 } |
|
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
1696 } |
|
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
1697 |
| 0 | 1698 // This must be called after ergonomics because we want bytecode rewriting |
| 1699 // if the server compiler is used, or if UseSharedSpaces is disabled. | |
| 1700 void Arguments::set_bytecode_flags() { | |
| 1701 // Better not attempt to store into a read-only space. | |
| 1702 if (UseSharedSpaces) { | |
| 1703 FLAG_SET_DEFAULT(RewriteBytecodes, false); | |
| 1704 FLAG_SET_DEFAULT(RewriteFrequentPairs, false); | |
| 1705 } | |
| 1706 | |
| 1707 if (!RewriteBytecodes) { | |
| 1708 FLAG_SET_DEFAULT(RewriteFrequentPairs, false); | |
| 1709 } | |
| 1710 } | |
| 1711 | |
| 1712 // Aggressive optimization flags -XX:+AggressiveOpts | |
| 1713 void Arguments::set_aggressive_opts_flags() { | |
|
17
ff5961f4c095
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
never
parents:
0
diff
changeset
|
1714 #ifdef COMPILER2 |
| 10278 | 1715 if (AggressiveUnboxing) { |
| 1716 if (FLAG_IS_DEFAULT(EliminateAutoBox)) { | |
| 1717 FLAG_SET_DEFAULT(EliminateAutoBox, true); | |
| 1718 } else if (!EliminateAutoBox) { | |
| 1719 // warning("AggressiveUnboxing is disabled because EliminateAutoBox is disabled"); | |
| 1720 AggressiveUnboxing = false; | |
| 1721 } | |
| 1722 if (FLAG_IS_DEFAULT(DoEscapeAnalysis)) { | |
| 1723 FLAG_SET_DEFAULT(DoEscapeAnalysis, true); | |
| 1724 } else if (!DoEscapeAnalysis) { | |
| 1725 // warning("AggressiveUnboxing is disabled because DoEscapeAnalysis is disabled"); | |
| 1726 AggressiveUnboxing = false; | |
| 1727 } | |
| 1728 } | |
|
17
ff5961f4c095
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
never
parents:
0
diff
changeset
|
1729 if (AggressiveOpts || !FLAG_IS_DEFAULT(AutoBoxCacheMax)) { |
|
ff5961f4c095
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
never
parents:
0
diff
changeset
|
1730 if (FLAG_IS_DEFAULT(EliminateAutoBox)) { |
|
ff5961f4c095
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
never
parents:
0
diff
changeset
|
1731 FLAG_SET_DEFAULT(EliminateAutoBox, true); |
|
ff5961f4c095
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
never
parents:
0
diff
changeset
|
1732 } |
|
ff5961f4c095
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
never
parents:
0
diff
changeset
|
1733 if (FLAG_IS_DEFAULT(AutoBoxCacheMax)) { |
|
ff5961f4c095
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
never
parents:
0
diff
changeset
|
1734 FLAG_SET_DEFAULT(AutoBoxCacheMax, 20000); |
|
ff5961f4c095
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
never
parents:
0
diff
changeset
|
1735 } |
|
ff5961f4c095
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
never
parents:
0
diff
changeset
|
1736 |
|
ff5961f4c095
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
never
parents:
0
diff
changeset
|
1737 // Feed the cache size setting into the JDK |
|
ff5961f4c095
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
never
parents:
0
diff
changeset
|
1738 char buffer[1024]; |
|
513
2328d1d3f8cf
6781583: Hotspot build fails on linux 64 bit platform with gcc 4.3.2
xlu
parents:
489
diff
changeset
|
1739 sprintf(buffer, "java.lang.Integer.IntegerCache.high=" INTX_FORMAT, AutoBoxCacheMax); |
|
17
ff5961f4c095
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
never
parents:
0
diff
changeset
|
1740 add_property(buffer); |
|
ff5961f4c095
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
never
parents:
0
diff
changeset
|
1741 } |
|
416
b6cfd754403d
6649622: HotSpot Biased locking needs tuning on latest CPUs
never
parents:
363
diff
changeset
|
1742 if (AggressiveOpts && FLAG_IS_DEFAULT(BiasedLockingStartupDelay)) { |
|
b6cfd754403d
6649622: HotSpot Biased locking needs tuning on latest CPUs
never
parents:
363
diff
changeset
|
1743 FLAG_SET_DEFAULT(BiasedLockingStartupDelay, 500); |
|
b6cfd754403d
6649622: HotSpot Biased locking needs tuning on latest CPUs
never
parents:
363
diff
changeset
|
1744 } |
|
17
ff5961f4c095
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
never
parents:
0
diff
changeset
|
1745 #endif |
|
ff5961f4c095
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
never
parents:
0
diff
changeset
|
1746 |
| 0 | 1747 if (AggressiveOpts) { |
| 61 | 1748 // Sample flag setting code |
| 1749 // if (FLAG_IS_DEFAULT(EliminateZeroing)) { | |
| 1750 // FLAG_SET_DEFAULT(EliminateZeroing, true); | |
| 1751 // } | |
| 0 | 1752 } |
| 1753 } | |
| 1754 | |
| 1755 //=========================================================================================================== | |
| 1756 // Parsing of java.compiler property | |
| 1757 | |
| 1758 void Arguments::process_java_compiler_argument(char* arg) { | |
| 1759 // For backwards compatibility, Djava.compiler=NONE or "" | |
| 1760 // causes us to switch to -Xint mode UNLESS -Xdebug | |
| 1761 // is also specified. | |
| 1762 if (strlen(arg) == 0 || strcasecmp(arg, "NONE") == 0) { | |
| 1763 set_java_compiler(true); // "-Djava.compiler[=...]" most recently seen. | |
| 1764 } | |
| 1765 } | |
| 1766 | |
| 1767 void Arguments::process_java_launcher_argument(const char* launcher, void* extra_info) { | |
| 1768 _sun_java_launcher = strdup(launcher); | |
|
2302
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
1769 if (strcmp("gamma", _sun_java_launcher) == 0) { |
|
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
1770 _created_by_gamma_launcher = true; |
|
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
1771 } |
| 0 | 1772 } |
| 1773 | |
| 1774 bool Arguments::created_by_java_launcher() { | |
| 1775 assert(_sun_java_launcher != NULL, "property must have value"); | |
| 1776 return strcmp(DEFAULT_JAVA_LAUNCHER, _sun_java_launcher) != 0; | |
| 1777 } | |
| 1778 | |
|
2302
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
1779 bool Arguments::created_by_gamma_launcher() { |
|
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
1780 return _created_by_gamma_launcher; |
|
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
1781 } |
|
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
1782 |
| 0 | 1783 //=========================================================================================================== |
| 1784 // Parsing of main arguments | |
| 1785 | |
|
1244
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
1786 bool Arguments::verify_interval(uintx val, uintx min, |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
1787 uintx max, const char* name) { |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
1788 // Returns true iff value is in the inclusive interval [min..max] |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
1789 // false, otherwise. |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
1790 if (val >= min && val <= max) { |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
1791 return true; |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
1792 } |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
1793 jio_fprintf(defaultStream::error_stream(), |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
1794 "%s of " UINTX_FORMAT " is invalid; must be between " UINTX_FORMAT |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
1795 " and " UINTX_FORMAT "\n", |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
1796 name, val, min, max); |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
1797 return false; |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
1798 } |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
1799 |
|
1744
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
1800 bool Arguments::verify_min_value(intx val, intx min, const char* name) { |
|
2366
1fb790245268
6820066: Check that -XX:ParGCArrayScanChunk has a value larger than zero.
jwilhelm
parents:
2362
diff
changeset
|
1801 // Returns true if given value is at least specified min threshold |
|
1744
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
1802 // false, otherwise. |
|
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
1803 if (val >= min ) { |
|
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
1804 return true; |
|
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
1805 } |
|
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
1806 jio_fprintf(defaultStream::error_stream(), |
|
2366
1fb790245268
6820066: Check that -XX:ParGCArrayScanChunk has a value larger than zero.
jwilhelm
parents:
2362
diff
changeset
|
1807 "%s of " INTX_FORMAT " is invalid; must be at least " INTX_FORMAT "\n", |
|
1744
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
1808 name, val, min); |
|
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
1809 return false; |
|
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
1810 } |
|
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
1811 |
| 0 | 1812 bool Arguments::verify_percentage(uintx value, const char* name) { |
| 1813 if (value <= 100) { | |
| 1814 return true; | |
| 1815 } | |
| 1816 jio_fprintf(defaultStream::error_stream(), | |
| 1817 "%s of " UINTX_FORMAT " is invalid; must be between 0 and 100\n", | |
| 1818 name, value); | |
| 1819 return false; | |
| 1820 } | |
| 1821 | |
|
9060
cc32ccaaf47f
8003310: Enable -Wunused-function when compiling with gcc
mikael
parents:
8847
diff
changeset
|
1822 #if !INCLUDE_ALL_GCS |
|
cc32ccaaf47f
8003310: Enable -Wunused-function when compiling with gcc
mikael
parents:
8847
diff
changeset
|
1823 #ifdef ASSERT |
| 0 | 1824 static bool verify_serial_gc_flags() { |
| 1825 return (UseSerialGC && | |
|
945
68ef3fdcdb76
6872136: CMS: confusing message may be printed when a collector is switched off implicitly
ysr
parents:
932
diff
changeset
|
1826 !(UseParNewGC || (UseConcMarkSweepGC || CMSIncrementalMode) || UseG1GC || |
|
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
1827 UseParallelGC || UseParallelOldGC)); |
| 0 | 1828 } |
|
9060
cc32ccaaf47f
8003310: Enable -Wunused-function when compiling with gcc
mikael
parents:
8847
diff
changeset
|
1829 #endif // ASSERT |
|
cc32ccaaf47f
8003310: Enable -Wunused-function when compiling with gcc
mikael
parents:
8847
diff
changeset
|
1830 #endif // INCLUDE_ALL_GCS |
| 0 | 1831 |
|
3767
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1832 // check if do gclog rotation |
|
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1833 // +UseGCLogFileRotation is a must, |
|
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1834 // no gc log rotation when log file not supplied or |
|
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1835 // NumberOfGCLogFiles is 0, or GCLogFileSize is 0 |
|
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1836 void check_gclog_consistency() { |
|
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1837 if (UseGCLogFileRotation) { |
|
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1838 if ((Arguments::gc_log_filename() == NULL) || |
|
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1839 (NumberOfGCLogFiles == 0) || |
|
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1840 (GCLogFileSize == 0)) { |
|
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1841 jio_fprintf(defaultStream::output_stream(), |
| 12215 | 1842 "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" |
|
3767
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1843 "where num_of_file > 0 and num_of_size > 0\n" |
|
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1844 "GC log rotation is turned off\n"); |
|
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1845 UseGCLogFileRotation = false; |
|
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1846 } |
|
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1847 } |
|
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1848 |
|
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1849 if (UseGCLogFileRotation && GCLogFileSize < 8*K) { |
|
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1850 FLAG_SET_CMDLINE(uintx, GCLogFileSize, 8*K); |
|
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1851 jio_fprintf(defaultStream::output_stream(), |
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1852 "GCLogFileSize changed to minimum 8K\n"); |
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1853 } |
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1854 } |
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1855 |
| 12215 | 1856 // This function is called for -Xloggc:<filename>, it can be used |
| 1857 // to check if a given file name(or string) conforms to the following | |
| 1858 // specification: | |
| 1859 // A valid string only contains "[A-Z][a-z][0-9].-_%[p|t]" | |
| 1860 // %p and %t only allowed once. We only limit usage of filename not path | |
| 1861 bool is_filename_valid(const char *file_name) { | |
| 1862 const char* p = file_name; | |
| 1863 char file_sep = os::file_separator()[0]; | |
| 1864 const char* cp; | |
| 1865 // skip prefix path | |
| 1866 for (cp = file_name; *cp != '\0'; cp++) { | |
| 1867 if (*cp == '/' || *cp == file_sep) { | |
| 1868 p = cp + 1; | |
| 1869 } | |
| 1870 } | |
| 1871 | |
| 1872 int count_p = 0; | |
| 1873 int count_t = 0; | |
| 1874 while (*p != '\0') { | |
| 1875 if ((*p >= '0' && *p <= '9') || | |
| 1876 (*p >= 'A' && *p <= 'Z') || | |
| 1877 (*p >= 'a' && *p <= 'z') || | |
| 1878 *p == '-' || | |
| 1879 *p == '_' || | |
| 1880 *p == '.') { | |
| 1881 p++; | |
| 1882 continue; | |
| 1883 } | |
| 1884 if (*p == '%') { | |
| 1885 if(*(p + 1) == 'p') { | |
| 1886 p += 2; | |
| 1887 count_p ++; | |
| 1888 continue; | |
| 1889 } | |
| 1890 if (*(p + 1) == 't') { | |
| 1891 p += 2; | |
| 1892 count_t ++; | |
| 1893 continue; | |
| 1894 } | |
| 1895 } | |
| 1896 return false; | |
| 1897 } | |
| 1898 return count_p < 2 && count_t < 2; | |
| 1899 } | |
| 1900 | |
|
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1901 // Check consistency of GC selection |
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1902 bool Arguments::check_gc_consistency() { |
|
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1903 check_gclog_consistency(); |
|
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1904 bool status = true; |
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1905 // Ensure that the user has not selected conflicting sets |
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1906 // of collectors. [Note: this check is merely a user convenience; |
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1907 // collectors over-ride each other so that only a non-conflicting |
|
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1908 // set is selected; however what the user gets is not what they |
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1909 // may have expected from the combination they asked for. It's |
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1910 // better to reduce user confusion by not allowing them to |
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1911 // select conflicting combinations. |
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1912 uint i = 0; |
|
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1913 if (UseSerialGC) i++; |
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1914 if (UseConcMarkSweepGC || UseParNewGC) i++; |
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1915 if (UseParallelGC || UseParallelOldGC) i++; |
|
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1916 if (UseG1GC) i++; |
|
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1917 if (i > 1) { |
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1918 jio_fprintf(defaultStream::error_stream(), |
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1919 "Conflicting collector combinations in option list; " |
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1920 "please refer to the release notes for the combinations " |
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1921 "allowed\n"); |
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1922 status = false; |
|
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1923 } else if (ReservedCodeCacheSize > 2*G) { |
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1924 // Code cache size larger than MAXINT is not supported. |
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1925 jio_fprintf(defaultStream::error_stream(), |
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1926 "Invalid ReservedCodeCacheSize=%dM. Must be at most %uM.\n", ReservedCodeCacheSize/M, |
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1927 (2*G)/M); |
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1928 status = false; |
|
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1929 } |
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1930 return status; |
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1931 } |
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1932 |
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1933 void Arguments::check_deprecated_gcs() { |
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1934 if (UseConcMarkSweepGC && !UseParNewGC) { |
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1935 warning("Using the DefNew young collector with the CMS collector is deprecated " |
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1936 "and will likely be removed in a future release"); |
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1937 } |
|
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1938 |
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1939 if (UseParNewGC && !UseConcMarkSweepGC) { |
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1940 // !UseConcMarkSweepGC means that we are using serial old gc. Unfortunately we don't |
|
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1941 // set up UseSerialGC properly, so that can't be used in the check here. |
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1942 warning("Using the ParNew young collector with the Serial old collector is deprecated " |
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1943 "and will likely be removed in a future release"); |
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1944 } |
| 7453 | 1945 |
| 1946 if (CMSIncrementalMode) { | |
| 1947 warning("Using incremental CMS is deprecated and will likely be removed in a future release"); | |
| 1948 } | |
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1949 } |
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1950 |
| 8734 | 1951 void Arguments::check_deprecated_gc_flags() { |
| 1952 if (FLAG_IS_CMDLINE(MaxGCMinorPauseMillis)) { | |
| 1953 warning("Using MaxGCMinorPauseMillis as minor pause goal is deprecated" | |
| 1954 "and will likely be removed in future release"); | |
| 1955 } | |
| 11977 | 1956 if (FLAG_IS_CMDLINE(DefaultMaxRAMFraction)) { |
| 1957 warning("DefaultMaxRAMFraction is deprecated and will likely be removed in a future release. " | |
| 1958 "Use MaxRAMFraction instead."); | |
| 1959 } | |
| 8734 | 1960 } |
| 1961 | |
|
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1962 // Check stack pages settings |
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1963 bool Arguments::check_stack_pages() |
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1964 { |
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1965 bool status = true; |
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1966 status = status && verify_min_value(StackYellowPages, 1, "StackYellowPages"); |
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1967 status = status && verify_min_value(StackRedPages, 1, "StackRedPages"); |
|
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1968 // greater stack shadow pages can't generate instruction to bang stack |
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1969 status = status && verify_interval(StackShadowPages, 1, 50, "StackShadowPages"); |
|
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1970 return status; |
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1971 } |
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1972 |
| 0 | 1973 // Check the consistency of vm_init_args |
| 1974 bool Arguments::check_vm_args_consistency() { | |
| 1975 // Method for adding checks for flag consistency. | |
| 1976 // The intent is to warn the user of all possible conflicts, | |
| 1977 // before returning an error. | |
| 1978 // Note: Needs platform-dependent factoring. | |
| 1979 bool status = true; | |
| 1980 | |
| 1981 // Allow both -XX:-UseStackBanging and -XX:-UseBoundThreads in non-product | |
| 1982 // builds so the cost of stack banging can be measured. | |
| 1983 #if (defined(PRODUCT) && defined(SOLARIS)) | |
| 1984 if (!UseBoundThreads && !UseStackBanging) { | |
| 1985 jio_fprintf(defaultStream::error_stream(), | |
| 1986 "-UseStackBanging conflicts with -UseBoundThreads\n"); | |
| 1987 | |
| 1988 status = false; | |
| 1989 } | |
| 1990 #endif | |
| 1991 | |
| 1992 if (TLABRefillWasteFraction == 0) { | |
| 1993 jio_fprintf(defaultStream::error_stream(), | |
| 1994 "TLABRefillWasteFraction should be a denominator, " | |
| 1995 "not " SIZE_FORMAT "\n", | |
| 1996 TLABRefillWasteFraction); | |
| 1997 status = false; | |
| 1998 } | |
| 1999 | |
|
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2000 status = status && verify_interval(AdaptiveSizePolicyWeight, 0, 100, |
| 0 | 2001 "AdaptiveSizePolicyWeight"); |
|
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2002 status = status && verify_percentage(ThresholdTolerance, "ThresholdTolerance"); |
|
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2003 status = status && verify_percentage(MinHeapFreeRatio, "MinHeapFreeRatio"); |
|
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2004 status = status && verify_percentage(MaxHeapFreeRatio, "MaxHeapFreeRatio"); |
| 0 | 2005 |
|
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2006 // Divide by bucket size to prevent a large size from causing rollover when |
|
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2007 // calculating amount of memory needed to be allocated for the String table. |
|
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2008 status = status && verify_interval(StringTableSize, minimumStringTableSize, |
|
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2009 (max_uintx / StringTable::bucket_size()), "StringTable size"); |
|
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2010 |
| 0 | 2011 if (MinHeapFreeRatio > MaxHeapFreeRatio) { |
| 2012 jio_fprintf(defaultStream::error_stream(), | |
| 2013 "MinHeapFreeRatio (" UINTX_FORMAT ") must be less than or " | |
| 2014 "equal to MaxHeapFreeRatio (" UINTX_FORMAT ")\n", | |
| 2015 MinHeapFreeRatio, MaxHeapFreeRatio); | |
| 2016 status = false; | |
| 2017 } | |
| 2018 // Keeping the heap 100% free is hard ;-) so limit it to 99%. | |
| 2019 MinHeapFreeRatio = MIN2(MinHeapFreeRatio, (uintx) 99); | |
| 2020 | |
|
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2021 // Min/MaxMetaspaceFreeRatio |
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2022 status = status && verify_percentage(MinMetaspaceFreeRatio, "MinMetaspaceFreeRatio"); |
|
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2023 status = status && verify_percentage(MaxMetaspaceFreeRatio, "MaxMetaspaceFreeRatio"); |
|
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2024 |
|
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2025 if (MinMetaspaceFreeRatio > MaxMetaspaceFreeRatio) { |
|
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2026 jio_fprintf(defaultStream::error_stream(), |
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2027 "MinMetaspaceFreeRatio (%s" UINTX_FORMAT ") must be less than or " |
|
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2028 "equal to MaxMetaspaceFreeRatio (%s" UINTX_FORMAT ")\n", |
|
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2029 FLAG_IS_DEFAULT(MinMetaspaceFreeRatio) ? "Default: " : "", |
|
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2030 MinMetaspaceFreeRatio, |
|
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2031 FLAG_IS_DEFAULT(MaxMetaspaceFreeRatio) ? "Default: " : "", |
|
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2032 MaxMetaspaceFreeRatio); |
|
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2033 status = false; |
|
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2034 } |
|
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2035 |
|
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2036 // Trying to keep 100% free is not practical |
|
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2037 MinMetaspaceFreeRatio = MIN2(MinMetaspaceFreeRatio, (uintx) 99); |
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2038 |
| 0 | 2039 if (FullGCALot && FLAG_IS_DEFAULT(MarkSweepAlwaysCompactCount)) { |
| 2040 MarkSweepAlwaysCompactCount = 1; // Move objects every gc. | |
| 2041 } | |
| 2042 | |
|
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2043 if (UseParallelOldGC && ParallelOldGCSplitALot) { |
|
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2044 // Settings to encourage splitting. |
|
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|
2045 if (!FLAG_IS_CMDLINE(NewRatio)) { |
| 8035 | 2046 FLAG_SET_CMDLINE(uintx, NewRatio, 2); |
|
483
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2047 } |
|
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|
2048 if (!FLAG_IS_CMDLINE(ScavengeBeforeFullGC)) { |
|
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2049 FLAG_SET_CMDLINE(bool, ScavengeBeforeFullGC, false); |
|
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2050 } |
|
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2051 } |
|
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2052 |
|
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2053 status = status && verify_percentage(GCHeapFreeLimit, "GCHeapFreeLimit"); |
|
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2054 status = status && verify_percentage(GCTimeLimit, "GCTimeLimit"); |
| 0 | 2055 if (GCTimeLimit == 100) { |
| 2056 // Turn off gc-overhead-limit-exceeded checks | |
| 2057 FLAG_SET_DEFAULT(UseGCOverheadLimit, false); | |
| 2058 } | |
| 2059 | |
|
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2060 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
|
2061 status = status && check_stack_pages(); |
| 0 | 2062 |
| 2063 if (CMSIncrementalMode) { | |
| 2064 if (!UseConcMarkSweepGC) { | |
| 2065 jio_fprintf(defaultStream::error_stream(), | |
| 2066 "error: invalid argument combination.\n" | |
| 2067 "The CMS collector (-XX:+UseConcMarkSweepGC) must be " | |
| 2068 "selected in order\nto use CMSIncrementalMode.\n"); | |
| 2069 status = false; | |
| 2070 } else { | |
|
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2071 status = status && verify_percentage(CMSIncrementalDutyCycle, |
| 0 | 2072 "CMSIncrementalDutyCycle"); |
|
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2073 status = status && verify_percentage(CMSIncrementalDutyCycleMin, |
| 0 | 2074 "CMSIncrementalDutyCycleMin"); |
|
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2075 status = status && verify_percentage(CMSIncrementalSafetyFactor, |
| 0 | 2076 "CMSIncrementalSafetyFactor"); |
|
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2077 status = status && verify_percentage(CMSIncrementalOffset, |
| 0 | 2078 "CMSIncrementalOffset"); |
|
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2079 status = status && verify_percentage(CMSExpAvgFactor, |
| 0 | 2080 "CMSExpAvgFactor"); |
| 2081 // If it was not set on the command line, set | |
| 2082 // CMSInitiatingOccupancyFraction to 1 so icms can initiate cycles early. | |
| 2083 if (CMSInitiatingOccupancyFraction < 0) { | |
| 2084 FLAG_SET_DEFAULT(CMSInitiatingOccupancyFraction, 1); | |
| 2085 } | |
| 2086 } | |
| 2087 } | |
| 2088 | |
| 2089 // CMS space iteration, which FLSVerifyAllHeapreferences entails, | |
| 2090 // insists that we hold the requisite locks so that the iteration is | |
| 2091 // MT-safe. For the verification at start-up and shut-down, we don't | |
| 2092 // yet have a good way of acquiring and releasing these locks, | |
| 2093 // which are not visible at the CollectedHeap level. We want to | |
| 2094 // be able to acquire these locks and then do the iteration rather | |
| 2095 // than just disable the lock verification. This will be fixed under | |
| 2096 // bug 4788986. | |
| 2097 if (UseConcMarkSweepGC && FLSVerifyAllHeapReferences) { | |
|
9071
68fe50d4f1d5
8011343: Add new flag for verifying the heap during startup
johnc
parents:
8859
diff
changeset
|
2098 if (VerifyDuringStartup) { |
| 0 | 2099 warning("Heap verification at start-up disabled " |
| 2100 "(due to current incompatibility with FLSVerifyAllHeapReferences)"); | |
|
9071
68fe50d4f1d5
8011343: Add new flag for verifying the heap during startup
johnc
parents:
8859
diff
changeset
|
2101 VerifyDuringStartup = false; // Disable verification at start-up |
| 0 | 2102 } |
|
9071
68fe50d4f1d5
8011343: Add new flag for verifying the heap during startup
johnc
parents:
8859
diff
changeset
|
2103 |
| 0 | 2104 if (VerifyBeforeExit) { |
| 2105 warning("Heap verification at shutdown disabled " | |
| 2106 "(due to current incompatibility with FLSVerifyAllHeapReferences)"); | |
| 2107 VerifyBeforeExit = false; // Disable verification at shutdown | |
| 2108 } | |
| 2109 } | |
| 2110 | |
| 2111 // Note: only executed in non-PRODUCT mode | |
| 2112 if (!UseAsyncConcMarkSweepGC && | |
| 2113 (ExplicitGCInvokesConcurrent || | |
| 2114 ExplicitGCInvokesConcurrentAndUnloadsClasses)) { | |
| 2115 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
|
2116 "error: +ExplicitGCInvokesConcurrent[AndUnloadsClasses] conflicts" |
| 0 | 2117 " with -UseAsyncConcMarkSweepGC"); |
| 2118 status = false; | |
| 2119 } | |
| 2120 | |
|
2366
1fb790245268
6820066: Check that -XX:ParGCArrayScanChunk has a value larger than zero.
jwilhelm
parents:
2362
diff
changeset
|
2121 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
|
2122 |
|
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
2123 #if INCLUDE_ALL_GCS |
|
1283
1c72304f1885
6928073: G1: use existing command line parameters for marking cycle initiation
tonyp
parents:
1257
diff
changeset
|
2124 if (UseG1GC) { |
|
1c72304f1885
6928073: G1: use existing command line parameters for marking cycle initiation
tonyp
parents:
1257
diff
changeset
|
2125 status = status && verify_percentage(InitiatingHeapOccupancyPercent, |
|
1c72304f1885
6928073: G1: use existing command line parameters for marking cycle initiation
tonyp
parents:
1257
diff
changeset
|
2126 "InitiatingHeapOccupancyPercent"); |
|
2174
234761c55641
6608385: G1: need to support parallel reference processing
johnc
parents:
2129
diff
changeset
|
2127 status = status && verify_min_value(G1RefProcDrainInterval, 1, |
|
234761c55641
6608385: G1: need to support parallel reference processing
johnc
parents:
2129
diff
changeset
|
2128 "G1RefProcDrainInterval"); |
|
234761c55641
6608385: G1: need to support parallel reference processing
johnc
parents:
2129
diff
changeset
|
2129 status = status && verify_min_value((intx)G1ConcMarkStepDurationMillis, 1, |
|
234761c55641
6608385: G1: need to support parallel reference processing
johnc
parents:
2129
diff
changeset
|
2130 "G1ConcMarkStepDurationMillis"); |
|
10246
194f52aa2f23
7176479: G1: JVM crashes on T5-8 system with 1.5 TB heap
johnc
parents:
10241
diff
changeset
|
2131 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
|
2132 "G1ConcRSHotCardLimit"); |
|
194f52aa2f23
7176479: G1: JVM crashes on T5-8 system with 1.5 TB heap
johnc
parents:
10241
diff
changeset
|
2133 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
|
2134 "G1ConcRSLogCacheSize"); |
|
1283
1c72304f1885
6928073: G1: use existing command line parameters for marking cycle initiation
tonyp
parents:
1257
diff
changeset
|
2135 } |
|
10287
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2136 if (UseConcMarkSweepGC) { |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2137 status = status && verify_min_value(CMSOldPLABNumRefills, 1, "CMSOldPLABNumRefills"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2138 status = status && verify_min_value(CMSOldPLABToleranceFactor, 1, "CMSOldPLABToleranceFactor"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2139 status = status && verify_min_value(CMSOldPLABMax, 1, "CMSOldPLABMax"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2140 status = status && verify_interval(CMSOldPLABMin, 1, CMSOldPLABMax, "CMSOldPLABMin"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2141 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2142 status = status && verify_min_value(CMSYoungGenPerWorker, 1, "CMSYoungGenPerWorker"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2143 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2144 status = status && verify_min_value(CMSSamplingGrain, 1, "CMSSamplingGrain"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2145 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
|
2146 status = status && verify_interval(CMS_FLSWeight, 0, 100, "CMS_FLSWeight"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2147 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2148 status = status && verify_interval(FLSCoalescePolicy, 0, 4, "FLSCoalescePolicy"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2149 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2150 status = status && verify_min_value(CMSRescanMultiple, 1, "CMSRescanMultiple"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2151 status = status && verify_min_value(CMSConcMarkMultiple, 1, "CMSConcMarkMultiple"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2152 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2153 status = status && verify_interval(CMSPrecleanIter, 0, 9, "CMSPrecleanIter"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2154 status = status && verify_min_value(CMSPrecleanDenominator, 1, "CMSPrecleanDenominator"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2155 status = status && verify_interval(CMSPrecleanNumerator, 0, CMSPrecleanDenominator - 1, "CMSPrecleanNumerator"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2156 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2157 status = status && verify_percentage(CMSBootstrapOccupancy, "CMSBootstrapOccupancy"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2158 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2159 status = status && verify_min_value(CMSPrecleanThreshold, 100, "CMSPrecleanThreshold"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2160 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2161 status = status && verify_percentage(CMSScheduleRemarkEdenPenetration, "CMSScheduleRemarkEdenPenetration"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2162 status = status && verify_min_value(CMSScheduleRemarkSamplingRatio, 1, "CMSScheduleRemarkSamplingRatio"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2163 status = status && verify_min_value(CMSBitMapYieldQuantum, 1, "CMSBitMapYieldQuantum"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2164 status = status && verify_percentage(CMSTriggerRatio, "CMSTriggerRatio"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2165 status = status && verify_percentage(CMSIsTooFullPercentage, "CMSIsTooFullPercentage"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2166 } |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2167 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2168 if (UseParallelGC || UseParallelOldGC) { |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2169 status = status && verify_interval(ParallelOldDeadWoodLimiterMean, 0, 100, "ParallelOldDeadWoodLimiterMean"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2170 status = status && verify_interval(ParallelOldDeadWoodLimiterStdDev, 0, 100, "ParallelOldDeadWoodLimiterStdDev"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2171 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2172 status = status && verify_percentage(YoungGenerationSizeIncrement, "YoungGenerationSizeIncrement"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2173 status = status && verify_percentage(TenuredGenerationSizeIncrement, "TenuredGenerationSizeIncrement"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2174 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2175 status = status && verify_min_value(YoungGenerationSizeSupplementDecay, 1, "YoungGenerationSizeSupplementDecay"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2176 status = status && verify_min_value(TenuredGenerationSizeSupplementDecay, 1, "TenuredGenerationSizeSupplementDecay"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2177 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2178 status = status && verify_min_value(ParGCCardsPerStrideChunk, 1, "ParGCCardsPerStrideChunk"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2179 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2180 status = status && verify_min_value(ParallelOldGCSplitInterval, 0, "ParallelOldGCSplitInterval"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2181 } |
|
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
2182 #endif // INCLUDE_ALL_GCS |
|
1283
1c72304f1885
6928073: G1: use existing command line parameters for marking cycle initiation
tonyp
parents:
1257
diff
changeset
|
2183 |
|
1244
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2184 status = status && verify_interval(RefDiscoveryPolicy, |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2185 ReferenceProcessor::DiscoveryPolicyMin, |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2186 ReferenceProcessor::DiscoveryPolicyMax, |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2187 "RefDiscoveryPolicy"); |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2188 |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2189 // 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
|
2190 // expression. |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2191 status = status && verify_interval(TLABWasteTargetPercent, |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2192 1, 100, "TLABWasteTargetPercent"); |
|
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2193 |
|
1571
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
2194 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
|
2195 |
|
12056
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
2196 status = status && verify_interval(ClassMetaspaceSize, 1*M, 3*G, |
|
6736
11fb740ce98f
7196103: NPG: Unable to allocate bit map for parallel garbage collection for the requested heap size
coleenp
parents:
6725
diff
changeset
|
2197 "ClassMetaspaceSize"); |
|
11fb740ce98f
7196103: NPG: Unable to allocate bit map for parallel garbage collection for the requested heap size
coleenp
parents:
6725
diff
changeset
|
2198 |
|
7397
442f942757c0
8000244: G1: Ergonomically set MarkStackSize and use virtual space for global marking stack
johnc
parents:
7177
diff
changeset
|
2199 status = status && verify_interval(MarkStackSizeMax, |
|
442f942757c0
8000244: G1: Ergonomically set MarkStackSize and use virtual space for global marking stack
johnc
parents:
7177
diff
changeset
|
2200 1, (max_jint - 1), "MarkStackSizeMax"); |
|
10287
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2201 status = status && verify_interval(NUMAChunkResizeWeight, 0, 100, "NUMAChunkResizeWeight"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2202 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2203 status = status && verify_min_value(LogEventsBufferEntries, 1, "LogEventsBufferEntries"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2204 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2205 status = status && verify_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
|
2206 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2207 status = status && verify_min_value(GCTaskTimeStampEntries, 1, "GCTaskTimeStampEntries"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2208 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2209 status = status && verify_percentage(ParallelGCBufferWastePct, "ParallelGCBufferWastePct"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2210 status = status && verify_interval(TargetPLABWastePct, 1, 100, "TargetPLABWastePct"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2211 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2212 status = status && verify_min_value(ParGCStridesPerThread, 1, "ParGCStridesPerThread"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2213 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2214 status = status && verify_min_value(MinRAMFraction, 1, "MinRAMFraction"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2215 status = status && verify_min_value(InitialRAMFraction, 1, "InitialRAMFraction"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2216 status = status && verify_min_value(MaxRAMFraction, 1, "MaxRAMFraction"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2217 status = status && verify_min_value(DefaultMaxRAMFraction, 1, "DefaultMaxRAMFraction"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2218 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2219 status = status && verify_interval(AdaptiveTimeWeight, 0, 100, "AdaptiveTimeWeight"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2220 status = status && verify_min_value(AdaptiveSizeDecrementScaleFactor, 1, "AdaptiveSizeDecrementScaleFactor"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2221 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2222 status = status && verify_interval(TLABAllocationWeight, 0, 100, "TLABAllocationWeight"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2223 status = status && verify_min_value(MinTLABSize, 1, "MinTLABSize"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2224 status = status && verify_min_value(TLABRefillWasteFraction, 1, "TLABRefillWasteFraction"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2225 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2226 status = status && verify_percentage(YoungGenerationSizeSupplement, "YoungGenerationSizeSupplement"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2227 status = status && verify_percentage(TenuredGenerationSizeSupplement, "TenuredGenerationSizeSupplement"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2228 |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2229 // 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
|
2230 // just for that, so hardcode here. |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2231 status = status && verify_interval(MaxTenuringThreshold, 0, 15, "MaxTenuringThreshold"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2232 status = status && verify_interval(InitialTenuringThreshold, 0, MaxTenuringThreshold, "MaxTenuringThreshold"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2233 status = status && verify_percentage(TargetSurvivorRatio, "TargetSurvivorRatio"); |
|
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2234 status = status && verify_percentage(MarkSweepDeadRatio, "MarkSweepDeadRatio"); |
|
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(MarkSweepAlwaysCompactCount, 1, "MarkSweepAlwaysCompactCount"); |
|
6755
bc675e55b48c
7193946: Move warnings associated with UseMemSetInBOT flag
johnc
parents:
6736
diff
changeset
|
2237 #ifdef SPARC |
|
bc675e55b48c
7193946: Move warnings associated with UseMemSetInBOT flag
johnc
parents:
6736
diff
changeset
|
2238 if (UseConcMarkSweepGC || UseG1GC) { |
|
bc675e55b48c
7193946: Move warnings associated with UseMemSetInBOT flag
johnc
parents:
6736
diff
changeset
|
2239 // Issue a stern warning if the user has explicitly set |
|
bc675e55b48c
7193946: Move warnings associated with UseMemSetInBOT flag
johnc
parents:
6736
diff
changeset
|
2240 // UseMemSetInBOT (it is known to cause issues), but allow |
|
bc675e55b48c
7193946: Move warnings associated with UseMemSetInBOT flag
johnc
parents:
6736
diff
changeset
|
2241 // use for experimentation and debugging. |
|
bc675e55b48c
7193946: Move warnings associated with UseMemSetInBOT flag
johnc
parents:
6736
diff
changeset
|
2242 if (VM_Version::is_sun4v() && UseMemSetInBOT) { |
|
bc675e55b48c
7193946: Move warnings associated with UseMemSetInBOT flag
johnc
parents:
6736
diff
changeset
|
2243 assert(!FLAG_IS_DEFAULT(UseMemSetInBOT), "Error"); |
|
bc675e55b48c
7193946: Move warnings associated with UseMemSetInBOT flag
johnc
parents:
6736
diff
changeset
|
2244 warning("Experimental flag -XX:+UseMemSetInBOT is known to cause instability" |
|
bc675e55b48c
7193946: Move warnings associated with UseMemSetInBOT flag
johnc
parents:
6736
diff
changeset
|
2245 " 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
|
2246 } |
|
bc675e55b48c
7193946: Move warnings associated with UseMemSetInBOT flag
johnc
parents:
6736
diff
changeset
|
2247 } |
|
bc675e55b48c
7193946: Move warnings associated with UseMemSetInBOT flag
johnc
parents:
6736
diff
changeset
|
2248 #endif // SPARC |
|
bc675e55b48c
7193946: Move warnings associated with UseMemSetInBOT flag
johnc
parents:
6736
diff
changeset
|
2249 |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2250 if (PrintNMTStatistics) { |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2251 #if INCLUDE_NMT |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2252 if (MemTracker::tracking_level() == MemTracker::NMT_off) { |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2253 #endif // INCLUDE_NMT |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2254 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
|
2255 PrintNMTStatistics = false; |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2256 #if INCLUDE_NMT |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2257 } |
|
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2258 #endif |
|
6770
9a86ddfc6c8f
7188594: Print statistic collected by NMT with VM flag
zgu
parents:
6736
diff
changeset
|
2259 } |
|
9a86ddfc6c8f
7188594: Print statistic collected by NMT with VM flag
zgu
parents:
6736
diff
changeset
|
2260 |
|
10260
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2261 // Need to limit the extent of the padding to reasonable size. |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2262 // 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
|
2263 // aggressive prefetching, while still leaving the room for segregating |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2264 // among the distinct pages. |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2265 if (ContendedPaddingWidth < 0 || ContendedPaddingWidth > 8192) { |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2266 jio_fprintf(defaultStream::error_stream(), |
| 12129 | 2267 "ContendedPaddingWidth=" INTX_FORMAT " must be in between %d and %d\n", |
|
10260
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2268 ContendedPaddingWidth, 0, 8192); |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2269 status = false; |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2270 } |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2271 |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2272 // Need to enforce the padding not to break the existing field alignments. |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2273 // It is sufficient to check against the largest type size. |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2274 if ((ContendedPaddingWidth % BytesPerLong) != 0) { |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2275 jio_fprintf(defaultStream::error_stream(), |
| 12129 | 2276 "ContendedPaddingWidth=" INTX_FORMAT " must be a multiple of %d\n", |
|
10260
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2277 ContendedPaddingWidth, BytesPerLong); |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2278 status = false; |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2279 } |
|
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2280 |
|
11079
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2281 // 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
|
2282 // 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
|
2283 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
|
2284 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
|
2285 jio_fprintf(defaultStream::error_stream(), |
|
11079
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2286 "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
|
2287 os::vm_page_size()/K); |
|
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2288 status = false; |
|
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2289 } else if (ReservedCodeCacheSize < InitialCodeCacheSize) { |
|
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2290 jio_fprintf(defaultStream::error_stream(), |
|
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2291 "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
|
2292 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
|
2293 status = false; |
|
11079
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2294 } 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
|
2295 jio_fprintf(defaultStream::error_stream(), |
|
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2296 "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
|
2297 min_code_cache_size/K); |
|
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2298 status = false; |
|
11109
7ac80525ece9
8015635: Crash when specifying very large code cache size
anoll
parents:
11083
diff
changeset
|
2299 } else if (ReservedCodeCacheSize > 2*G) { |
|
7ac80525ece9
8015635: Crash when specifying very large code cache size
anoll
parents:
11083
diff
changeset
|
2300 // Code cache size larger than MAXINT is not supported. |
|
7ac80525ece9
8015635: Crash when specifying very large code cache size
anoll
parents:
11083
diff
changeset
|
2301 jio_fprintf(defaultStream::error_stream(), |
|
7ac80525ece9
8015635: Crash when specifying very large code cache size
anoll
parents:
11083
diff
changeset
|
2302 "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
|
2303 (2*G)/M); |
|
7ac80525ece9
8015635: Crash when specifying very large code cache size
anoll
parents:
11083
diff
changeset
|
2304 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
|
2305 } |
| 0 | 2306 return status; |
| 2307 } | |
| 2308 | |
| 2309 bool Arguments::is_bad_option(const JavaVMOption* option, jboolean ignore, | |
| 2310 const char* option_type) { | |
| 2311 if (ignore) return false; | |
| 2312 | |
| 2313 const char* spacer = " "; | |
| 2314 if (option_type == NULL) { | |
| 2315 option_type = ++spacer; // Set both to the empty string. | |
| 2316 } | |
| 2317 | |
| 2318 if (os::obsolete_option(option)) { | |
| 2319 jio_fprintf(defaultStream::error_stream(), | |
| 2320 "Obsolete %s%soption: %s\n", option_type, spacer, | |
| 2321 option->optionString); | |
| 2322 return false; | |
| 2323 } else { | |
| 2324 jio_fprintf(defaultStream::error_stream(), | |
| 2325 "Unrecognized %s%soption: %s\n", option_type, spacer, | |
| 2326 option->optionString); | |
| 2327 return true; | |
| 2328 } | |
| 2329 } | |
| 2330 | |
| 2331 static const char* user_assertion_options[] = { | |
| 2332 "-da", "-ea", "-disableassertions", "-enableassertions", 0 | |
| 2333 }; | |
| 2334 | |
| 2335 static const char* system_assertion_options[] = { | |
| 2336 "-dsa", "-esa", "-disablesystemassertions", "-enablesystemassertions", 0 | |
| 2337 }; | |
| 2338 | |
| 2339 // Return true if any of the strings in null-terminated array 'names' matches. | |
| 2340 // If tail_allowed is true, then the tail must begin with a colon; otherwise, | |
| 2341 // the option must match exactly. | |
| 2342 static bool match_option(const JavaVMOption* option, const char** names, const char** tail, | |
| 2343 bool tail_allowed) { | |
| 2344 for (/* empty */; *names != NULL; ++names) { | |
| 2345 if (match_option(option, *names, tail)) { | |
| 2346 if (**tail == '\0' || tail_allowed && **tail == ':') { | |
| 2347 return true; | |
| 2348 } | |
| 2349 } | |
| 2350 } | |
| 2351 return false; | |
| 2352 } | |
| 2353 | |
| 1284 | 2354 bool Arguments::parse_uintx(const char* value, |
| 2355 uintx* uintx_arg, | |
| 2356 uintx min_size) { | |
| 2357 | |
| 2358 // Check the sign first since atomull() parses only unsigned values. | |
| 2359 bool value_is_positive = !(*value == '-'); | |
| 2360 | |
| 2361 if (value_is_positive) { | |
| 2362 julong n; | |
| 2363 bool good_return = atomull(value, &n); | |
| 2364 if (good_return) { | |
| 2365 bool above_minimum = n >= min_size; | |
| 2366 bool value_is_too_large = n > max_uintx; | |
| 2367 | |
| 2368 if (above_minimum && !value_is_too_large) { | |
| 2369 *uintx_arg = n; | |
| 2370 return true; | |
| 2371 } | |
| 2372 } | |
| 2373 } | |
| 2374 return false; | |
| 2375 } | |
| 2376 | |
| 0 | 2377 Arguments::ArgsRange Arguments::parse_memory_size(const char* s, |
|
489
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|
2378 julong* long_arg, |
|
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|
2379 julong min_size) { |
|
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|
2380 if (!atomull(s, long_arg)) return arg_unreadable; |
| 0 | 2381 return check_memory_size(*long_arg, min_size); |
| 2382 } | |
| 2383 | |
| 2384 // Parse JavaVMInitArgs structure | |
| 2385 | |
| 2386 jint Arguments::parse_vm_init_args(const JavaVMInitArgs* args) { | |
| 2387 // For components of the system classpath. | |
| 2388 SysClassPath scp(Arguments::get_sysclasspath()); | |
| 2389 bool scp_assembly_required = false; | |
| 2390 | |
| 2391 // Save default settings for some mode flags | |
| 2392 Arguments::_AlwaysCompileLoopMethods = AlwaysCompileLoopMethods; | |
| 2393 Arguments::_UseOnStackReplacement = UseOnStackReplacement; | |
| 2394 Arguments::_ClipInlining = ClipInlining; | |
| 2395 Arguments::_BackgroundCompilation = BackgroundCompilation; | |
| 2396 | |
|
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|
2397 // Setup flags for mixed which is the default |
|
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|
2398 set_mode_flags(_mixed); |
|
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2399 |
| 0 | 2400 // Parse JAVA_TOOL_OPTIONS environment variable (if present) |
| 2401 jint result = parse_java_tool_options_environment_variable(&scp, &scp_assembly_required); | |
| 2402 if (result != JNI_OK) { | |
| 2403 return result; | |
| 2404 } | |
| 2405 | |
| 2406 // Parse JavaVMInitArgs structure passed in | |
| 2407 result = parse_each_vm_init_arg(args, &scp, &scp_assembly_required, COMMAND_LINE); | |
| 2408 if (result != JNI_OK) { | |
| 2409 return result; | |
| 2410 } | |
| 2411 | |
|
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2412 if (AggressiveOpts) { |
|
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|
2413 // Insert alt-rt.jar between user-specified bootclasspath |
|
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2414 // prefix and the default bootclasspath. os::set_boot_path() |
|
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2415 // uses meta_index_dir as the default bootclasspath directory. |
|
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2416 const char* altclasses_jar = "alt-rt.jar"; |
|
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2417 size_t altclasses_path_len = strlen(get_meta_index_dir()) + 1 + |
|
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|
2418 strlen(altclasses_jar); |
| 6197 | 2419 char* altclasses_path = NEW_C_HEAP_ARRAY(char, altclasses_path_len, mtInternal); |
|
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|
2420 strcpy(altclasses_path, get_meta_index_dir()); |
|
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|
2421 strcat(altclasses_path, altclasses_jar); |
|
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|
2422 scp.add_suffix_to_prefix(altclasses_path); |
|
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|
2423 scp_assembly_required = true; |
| 6197 | 2424 FREE_C_HEAP_ARRAY(char, altclasses_path, mtInternal); |
|
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|
2425 } |
|
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|
2426 |
| 0 | 2427 // Parse _JAVA_OPTIONS environment variable (if present) (mimics classic VM) |
| 2428 result = parse_java_options_environment_variable(&scp, &scp_assembly_required); | |
| 2429 if (result != JNI_OK) { | |
| 2430 return result; | |
| 2431 } | |
| 2432 | |
| 2433 // Do final processing now that all arguments have been parsed | |
| 2434 result = finalize_vm_init_args(&scp, scp_assembly_required); | |
| 2435 if (result != JNI_OK) { | |
| 2436 return result; | |
| 2437 } | |
| 2438 | |
| 2439 return JNI_OK; | |
| 2440 } | |
| 2441 | |
|
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|
2442 // Checks if name in command-line argument -agent{lib,path}:name[=options] |
|
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|
2443 // represents a valid HPROF of JDWP agent. is_path==true denotes that we |
|
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|
2444 // are dealing with -agentpath (case where name is a path), otherwise with |
|
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|
2445 // -agentlib |
|
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|
2446 bool valid_hprof_or_jdwp_agent(char *name, bool is_path) { |
|
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|
2447 char *_name; |
|
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|
2448 const char *_hprof = "hprof", *_jdwp = "jdwp"; |
|
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|
2449 size_t _len_hprof, _len_jdwp, _len_prefix; |
|
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|
2450 |
|
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|
2451 if (is_path) { |
|
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|
2452 if ((_name = strrchr(name, (int) *os::file_separator())) == NULL) { |
|
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|
2453 return false; |
|
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|
2454 } |
|
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|
2455 |
|
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|
2456 _name++; // skip past last path separator |
|
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|
2457 _len_prefix = strlen(JNI_LIB_PREFIX); |
|
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|
2458 |
|
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|
2459 if (strncmp(_name, JNI_LIB_PREFIX, _len_prefix) != 0) { |
|
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|
2460 return false; |
|
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|
2461 } |
|
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|
2462 |
|
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|
2463 _name += _len_prefix; |
|
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|
2464 _len_hprof = strlen(_hprof); |
|
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|
2465 _len_jdwp = strlen(_jdwp); |
|
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|
2466 |
|
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|
2467 if (strncmp(_name, _hprof, _len_hprof) == 0) { |
|
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|
2468 _name += _len_hprof; |
|
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|
2469 } |
|
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|
2470 else if (strncmp(_name, _jdwp, _len_jdwp) == 0) { |
|
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|
2471 _name += _len_jdwp; |
|
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|
2472 } |
|
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|
2473 else { |
|
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|
2474 return false; |
|
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|
2475 } |
|
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|
2476 |
|
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changeset
|
2477 if (strcmp(_name, JNI_LIB_SUFFIX) != 0) { |
|
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8010428: Special -agentpath checks needed with minimal VM to produce proper error message
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|
2478 return false; |
|
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diff
changeset
|
2479 } |
|
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changeset
|
2480 |
|
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8010428: Special -agentpath checks needed with minimal VM to produce proper error message
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|
2481 return true; |
|
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diff
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|
2482 } |
|
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|
2483 |
|
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|
2484 if (strcmp(name, _hprof) == 0 || strcmp(name, _jdwp) == 0) { |
|
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|
2485 return true; |
|
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diff
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|
2486 } |
|
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8010428: Special -agentpath checks needed with minimal VM to produce proper error message
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|
2487 |
|
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8010428: Special -agentpath checks needed with minimal VM to produce proper error message
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|
2488 return false; |
|
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|
2489 } |
|
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|
2490 |
| 0 | 2491 jint Arguments::parse_each_vm_init_arg(const JavaVMInitArgs* args, |
| 2492 SysClassPath* scp_p, | |
| 2493 bool* scp_assembly_required_p, | |
| 2494 FlagValueOrigin origin) { | |
| 2495 // Remaining part of option string | |
| 2496 const char* tail; | |
| 2497 | |
| 2498 // iterate over arguments | |
| 2499 for (int index = 0; index < args->nOptions; index++) { | |
| 2500 bool is_absolute_path = false; // for -agentpath vs -agentlib | |
| 2501 | |
| 2502 const JavaVMOption* option = args->options + index; | |
| 2503 | |
| 2504 if (!match_option(option, "-Djava.class.path", &tail) && | |
| 2505 !match_option(option, "-Dsun.java.command", &tail) && | |
| 2506 !match_option(option, "-Dsun.java.launcher", &tail)) { | |
| 2507 | |
| 2508 // add all jvm options to the jvm_args string. This string | |
| 2509 // is used later to set the java.vm.args PerfData string constant. | |
| 2510 // the -Djava.class.path and the -Dsun.java.command options are | |
| 2511 // omitted from jvm_args string as each have their own PerfData | |
| 2512 // string constant object. | |
| 2513 build_jvm_args(option->optionString); | |
| 2514 } | |
| 2515 | |
| 2516 // -verbose:[class/gc/jni] | |
| 2517 if (match_option(option, "-verbose", &tail)) { | |
| 2518 if (!strcmp(tail, ":class") || !strcmp(tail, "")) { | |
| 2519 FLAG_SET_CMDLINE(bool, TraceClassLoading, true); | |
| 2520 FLAG_SET_CMDLINE(bool, TraceClassUnloading, true); | |
| 2521 } else if (!strcmp(tail, ":gc")) { | |
| 2522 FLAG_SET_CMDLINE(bool, PrintGC, true); | |
| 2523 } else if (!strcmp(tail, ":jni")) { | |
| 2524 FLAG_SET_CMDLINE(bool, PrintJNIResolving, true); | |
| 2525 } | |
| 2526 // -da / -ea / -disableassertions / -enableassertions | |
| 2527 // These accept an optional class/package name separated by a colon, e.g., | |
| 2528 // -da:java.lang.Thread. | |
| 2529 } else if (match_option(option, user_assertion_options, &tail, true)) { | |
| 2530 bool enable = option->optionString[1] == 'e'; // char after '-' is 'e' | |
| 2531 if (*tail == '\0') { | |
| 2532 JavaAssertions::setUserClassDefault(enable); | |
| 2533 } else { | |
| 2534 assert(*tail == ':', "bogus match by match_option()"); | |
| 2535 JavaAssertions::addOption(tail + 1, enable); | |
| 2536 } | |
| 2537 // -dsa / -esa / -disablesystemassertions / -enablesystemassertions | |
| 2538 } else if (match_option(option, system_assertion_options, &tail, false)) { | |
| 2539 bool enable = option->optionString[1] == 'e'; // char after '-' is 'e' | |
| 2540 JavaAssertions::setSystemClassDefault(enable); | |
| 2541 // -bootclasspath: | |
| 2542 } else if (match_option(option, "-Xbootclasspath:", &tail)) { | |
| 2543 scp_p->reset_path(tail); | |
| 2544 *scp_assembly_required_p = true; | |
| 2545 // -bootclasspath/a: | |
| 2546 } else if (match_option(option, "-Xbootclasspath/a:", &tail)) { | |
| 2547 scp_p->add_suffix(tail); | |
| 2548 *scp_assembly_required_p = true; | |
| 2549 // -bootclasspath/p: | |
| 2550 } else if (match_option(option, "-Xbootclasspath/p:", &tail)) { | |
| 2551 scp_p->add_prefix(tail); | |
| 2552 *scp_assembly_required_p = true; | |
| 2553 // -Xrun | |
| 2554 } else if (match_option(option, "-Xrun", &tail)) { | |
|
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|
2555 if (tail != NULL) { |
| 0 | 2556 const char* pos = strchr(tail, ':'); |
| 2557 size_t len = (pos == NULL) ? strlen(tail) : pos - tail; | |
| 6197 | 2558 char* name = (char*)memcpy(NEW_C_HEAP_ARRAY(char, len + 1, mtInternal), tail, len); |
| 0 | 2559 name[len] = '\0'; |
| 2560 | |
| 2561 char *options = NULL; | |
| 2562 if(pos != NULL) { | |
| 2563 size_t len2 = strlen(pos+1) + 1; // options start after ':'. Final zero must be copied. | |
| 6197 | 2564 options = (char*)memcpy(NEW_C_HEAP_ARRAY(char, len2, mtInternal), pos+1, len2); |
| 0 | 2565 } |
|
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|
2566 #if !INCLUDE_JVMTI |
| 0 | 2567 if ((strcmp(name, "hprof") == 0) || (strcmp(name, "jdwp") == 0)) { |
|
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|
2568 jio_fprintf(defaultStream::error_stream(), |
|
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|
2569 "Profiling and debugging agents are not supported in this VM\n"); |
|
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|
2570 return JNI_ERR; |
|
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|
2571 } |
|
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|
2572 #endif // !INCLUDE_JVMTI |
|
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|
2573 add_init_library(name, options); |
| 0 | 2574 } |
| 2575 // -agentlib and -agentpath | |
| 2576 } else if (match_option(option, "-agentlib:", &tail) || | |
| 2577 (is_absolute_path = match_option(option, "-agentpath:", &tail))) { | |
| 2578 if(tail != NULL) { | |
| 2579 const char* pos = strchr(tail, '='); | |
| 2580 size_t len = (pos == NULL) ? strlen(tail) : pos - tail; | |
| 6197 | 2581 char* name = strncpy(NEW_C_HEAP_ARRAY(char, len + 1, mtInternal), tail, len); |
| 0 | 2582 name[len] = '\0'; |
| 2583 | |
| 2584 char *options = NULL; | |
| 2585 if(pos != NULL) { | |
| 6197 | 2586 options = strcpy(NEW_C_HEAP_ARRAY(char, strlen(pos + 1) + 1, mtInternal), pos + 1); |
| 0 | 2587 } |
|
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|
2588 #if !INCLUDE_JVMTI |
|
10170
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9077
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|
2589 if (valid_hprof_or_jdwp_agent(name, is_absolute_path)) { |
|
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|
2590 jio_fprintf(defaultStream::error_stream(), |
|
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8105
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|
2591 "Profiling and debugging agents are not supported in this VM\n"); |
|
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|
2592 return JNI_ERR; |
|
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changeset
|
2593 } |
|
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|
2594 #endif // !INCLUDE_JVMTI |
| 0 | 2595 add_init_agent(name, options, is_absolute_path); |
| 2596 } | |
| 2597 // -javaagent | |
| 2598 } else if (match_option(option, "-javaagent:", &tail)) { | |
|
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|
2599 #if !INCLUDE_JVMTI |
|
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|
2600 jio_fprintf(defaultStream::error_stream(), |
|
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8105
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|
2601 "Instrumentation agents are not supported in this VM\n"); |
|
fad90b102190
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|
2602 return JNI_ERR; |
|
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|
2603 #else |
| 0 | 2604 if(tail != NULL) { |
| 6197 | 2605 char *options = strcpy(NEW_C_HEAP_ARRAY(char, strlen(tail) + 1, mtInternal), tail); |
| 0 | 2606 add_init_agent("instrument", options, false); |
| 2607 } | |
|
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|
2608 #endif // !INCLUDE_JVMTI |
| 0 | 2609 // -Xnoclassgc |
| 2610 } else if (match_option(option, "-Xnoclassgc", &tail)) { | |
| 2611 FLAG_SET_CMDLINE(bool, ClassUnloading, false); | |
| 2612 // -Xincgc: i-CMS | |
| 2613 } else if (match_option(option, "-Xincgc", &tail)) { | |
| 2614 FLAG_SET_CMDLINE(bool, UseConcMarkSweepGC, true); | |
| 2615 FLAG_SET_CMDLINE(bool, CMSIncrementalMode, true); | |
| 2616 // -Xnoincgc: no i-CMS | |
| 2617 } else if (match_option(option, "-Xnoincgc", &tail)) { | |
| 2618 FLAG_SET_CMDLINE(bool, UseConcMarkSweepGC, false); | |
| 2619 FLAG_SET_CMDLINE(bool, CMSIncrementalMode, false); | |
| 2620 // -Xconcgc | |
| 2621 } else if (match_option(option, "-Xconcgc", &tail)) { | |
| 2622 FLAG_SET_CMDLINE(bool, UseConcMarkSweepGC, true); | |
| 2623 // -Xnoconcgc | |
| 2624 } else if (match_option(option, "-Xnoconcgc", &tail)) { | |
| 2625 FLAG_SET_CMDLINE(bool, UseConcMarkSweepGC, false); | |
| 2626 // -Xbatch | |
| 2627 } else if (match_option(option, "-Xbatch", &tail)) { | |
| 2628 FLAG_SET_CMDLINE(bool, BackgroundCompilation, false); | |
| 2629 // -Xmn for compatibility with other JVM vendors | |
| 2630 } else if (match_option(option, "-Xmn", &tail)) { | |
|
489
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6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
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diff
changeset
|
2631 julong long_initial_eden_size = 0; |
| 0 | 2632 ArgsRange errcode = parse_memory_size(tail, &long_initial_eden_size, 1); |
| 2633 if (errcode != arg_in_range) { | |
| 2634 jio_fprintf(defaultStream::error_stream(), | |
| 2635 "Invalid initial eden size: %s\n", option->optionString); | |
| 2636 describe_range_error(errcode); | |
| 2637 return JNI_EINVAL; | |
| 2638 } | |
| 1064 | 2639 FLAG_SET_CMDLINE(uintx, MaxNewSize, (uintx)long_initial_eden_size); |
| 2640 FLAG_SET_CMDLINE(uintx, NewSize, (uintx)long_initial_eden_size); | |
| 0 | 2641 // -Xms |
| 2642 } else if (match_option(option, "-Xms", &tail)) { | |
|
489
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diff
changeset
|
2643 julong long_initial_heap_size = 0; |
|
10241
d17700c82d7d
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10240
diff
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|
2644 // an initial heap size of 0 means automatically determine |
|
d17700c82d7d
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diff
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|
2645 ArgsRange errcode = parse_memory_size(tail, &long_initial_heap_size, 0); |
| 0 | 2646 if (errcode != arg_in_range) { |
| 2647 jio_fprintf(defaultStream::error_stream(), | |
| 2648 "Invalid initial heap size: %s\n", option->optionString); | |
| 2649 describe_range_error(errcode); | |
| 2650 return JNI_EINVAL; | |
| 2651 } | |
| 1064 | 2652 FLAG_SET_CMDLINE(uintx, InitialHeapSize, (uintx)long_initial_heap_size); |
| 0 | 2653 // Currently the minimum size and the initial heap sizes are the same. |
| 1064 | 2654 set_min_heap_size(InitialHeapSize); |
| 0 | 2655 // -Xmx |
|
10241
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|
2656 } else if (match_option(option, "-Xmx", &tail) || match_option(option, "-XX:MaxHeapSize=", &tail)) { |
|
489
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diff
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|
2657 julong long_max_heap_size = 0; |
| 0 | 2658 ArgsRange errcode = parse_memory_size(tail, &long_max_heap_size, 1); |
| 2659 if (errcode != arg_in_range) { | |
| 2660 jio_fprintf(defaultStream::error_stream(), | |
| 2661 "Invalid maximum heap size: %s\n", option->optionString); | |
| 2662 describe_range_error(errcode); | |
| 2663 return JNI_EINVAL; | |
| 2664 } | |
| 1064 | 2665 FLAG_SET_CMDLINE(uintx, MaxHeapSize, (uintx)long_max_heap_size); |
| 0 | 2666 // Xmaxf |
| 2667 } else if (match_option(option, "-Xmaxf", &tail)) { | |
| 2668 int maxf = (int)(atof(tail) * 100); | |
| 2669 if (maxf < 0 || maxf > 100) { | |
| 2670 jio_fprintf(defaultStream::error_stream(), | |
| 2671 "Bad max heap free percentage size: %s\n", | |
| 2672 option->optionString); | |
| 2673 return JNI_EINVAL; | |
| 2674 } else { | |
| 2675 FLAG_SET_CMDLINE(uintx, MaxHeapFreeRatio, maxf); | |
| 2676 } | |
| 2677 // Xminf | |
| 2678 } else if (match_option(option, "-Xminf", &tail)) { | |
| 2679 int minf = (int)(atof(tail) * 100); | |
| 2680 if (minf < 0 || minf > 100) { | |
| 2681 jio_fprintf(defaultStream::error_stream(), | |
| 2682 "Bad min heap free percentage size: %s\n", | |
| 2683 option->optionString); | |
| 2684 return JNI_EINVAL; | |
| 2685 } else { | |
| 2686 FLAG_SET_CMDLINE(uintx, MinHeapFreeRatio, minf); | |
| 2687 } | |
| 2688 // -Xss | |
| 2689 } else if (match_option(option, "-Xss", &tail)) { | |
|
489
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483
diff
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|
2690 julong long_ThreadStackSize = 0; |
| 0 | 2691 ArgsRange errcode = parse_memory_size(tail, &long_ThreadStackSize, 1000); |
| 2692 if (errcode != arg_in_range) { | |
| 2693 jio_fprintf(defaultStream::error_stream(), | |
| 2694 "Invalid thread stack size: %s\n", option->optionString); | |
| 2695 describe_range_error(errcode); | |
| 2696 return JNI_EINVAL; | |
| 2697 } | |
| 2698 // Internally track ThreadStackSize in units of 1024 bytes. | |
| 2699 FLAG_SET_CMDLINE(intx, ThreadStackSize, | |
| 2700 round_to((int)long_ThreadStackSize, K) / K); | |
| 2701 // -Xoss | |
| 2702 } else if (match_option(option, "-Xoss", &tail)) { | |
| 2703 // HotSpot does not have separate native and Java stacks, ignore silently for compatibility | |
|
11079
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
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11006
diff
changeset
|
2704 } else if (match_option(option, "-XX:CodeCacheExpansionSize=", &tail)) { |
|
738e04fb1232
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diff
changeset
|
2705 julong long_CodeCacheExpansionSize = 0; |
|
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
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11006
diff
changeset
|
2706 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
|
2707 if (errcode != arg_in_range) { |
|
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2708 jio_fprintf(defaultStream::error_stream(), |
|
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2709 "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
|
2710 os::vm_page_size()/K); |
|
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2711 return JNI_EINVAL; |
|
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2712 } |
|
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
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11006
diff
changeset
|
2713 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
|
2714 } 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
|
2715 match_option(option, "-XX:ReservedCodeCacheSize=", &tail)) { |
|
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
2716 julong long_ReservedCodeCacheSize = 0; |
|
11079
738e04fb1232
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anoll
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diff
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|
2717 |
|
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
|
2718 ArgsRange errcode = parse_memory_size(tail, &long_ReservedCodeCacheSize, 1); |
| 0 | 2719 if (errcode != arg_in_range) { |
| 2720 jio_fprintf(defaultStream::error_stream(), | |
|
10392
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10319
diff
changeset
|
2721 "Invalid maximum code cache size: %s.\n", option->optionString); |
| 0 | 2722 return JNI_EINVAL; |
| 2723 } | |
| 2724 FLAG_SET_CMDLINE(uintx, ReservedCodeCacheSize, (uintx)long_ReservedCodeCacheSize); | |
|
10319
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
parents:
10294
diff
changeset
|
2725 //-XX:IncreaseFirstTierCompileThresholdAt= |
|
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
parents:
10294
diff
changeset
|
2726 } else if (match_option(option, "-XX:IncreaseFirstTierCompileThresholdAt=", &tail)) { |
|
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
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parents:
10294
diff
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|
2727 uintx uint_IncreaseFirstTierCompileThresholdAt = 0; |
|
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
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10294
diff
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|
2728 if (!parse_uintx(tail, &uint_IncreaseFirstTierCompileThresholdAt, 0) || uint_IncreaseFirstTierCompileThresholdAt > 99) { |
|
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
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10294
diff
changeset
|
2729 jio_fprintf(defaultStream::error_stream(), |
|
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
parents:
10294
diff
changeset
|
2730 "Invalid value for IncreaseFirstTierCompileThresholdAt: %s. Should be between 0 and 99.\n", |
|
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
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10294
diff
changeset
|
2731 option->optionString); |
|
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
parents:
10294
diff
changeset
|
2732 return JNI_EINVAL; |
|
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
parents:
10294
diff
changeset
|
2733 } |
|
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
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10294
diff
changeset
|
2734 FLAG_SET_CMDLINE(uintx, IncreaseFirstTierCompileThresholdAt, (uintx)uint_IncreaseFirstTierCompileThresholdAt); |
| 0 | 2735 // -green |
| 2736 } else if (match_option(option, "-green", &tail)) { | |
| 2737 jio_fprintf(defaultStream::error_stream(), | |
| 2738 "Green threads support not available\n"); | |
| 2739 return JNI_EINVAL; | |
| 2740 // -native | |
| 2741 } else if (match_option(option, "-native", &tail)) { | |
| 2742 // HotSpot always uses native threads, ignore silently for compatibility | |
| 2743 // -Xsqnopause | |
| 2744 } else if (match_option(option, "-Xsqnopause", &tail)) { | |
| 2745 // EVM option, ignore silently for compatibility | |
| 2746 // -Xrs | |
| 2747 } else if (match_option(option, "-Xrs", &tail)) { | |
| 2748 // Classic/EVM option, new functionality | |
| 2749 FLAG_SET_CMDLINE(bool, ReduceSignalUsage, true); | |
| 2750 } else if (match_option(option, "-Xusealtsigs", &tail)) { | |
| 2751 // change default internal VM signals used - lower case for back compat | |
| 2752 FLAG_SET_CMDLINE(bool, UseAltSigs, true); | |
| 2753 // -Xoptimize | |
| 2754 } else if (match_option(option, "-Xoptimize", &tail)) { | |
| 2755 // EVM option, ignore silently for compatibility | |
| 2756 // -Xprof | |
| 2757 } else if (match_option(option, "-Xprof", &tail)) { | |
|
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|
2758 #if INCLUDE_FPROF |
| 0 | 2759 _has_profile = true; |
|
6854
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|
2760 #else // INCLUDE_FPROF |
|
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|
2761 jio_fprintf(defaultStream::error_stream(), |
|
fad90b102190
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8105
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|
2762 "Flat profiling is not supported in this VM.\n"); |
|
fad90b102190
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8105
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|
2763 return JNI_ERR; |
|
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|
2764 #endif // INCLUDE_FPROF |
| 0 | 2765 // -Xconcurrentio |
| 2766 } else if (match_option(option, "-Xconcurrentio", &tail)) { | |
| 2767 FLAG_SET_CMDLINE(bool, UseLWPSynchronization, true); | |
| 2768 FLAG_SET_CMDLINE(bool, BackgroundCompilation, false); | |
| 2769 FLAG_SET_CMDLINE(intx, DeferThrSuspendLoopCount, 1); | |
| 2770 FLAG_SET_CMDLINE(bool, UseTLAB, false); | |
| 2771 FLAG_SET_CMDLINE(uintx, NewSizeThreadIncrease, 16 * K); // 20Kb per thread added to new generation | |
| 2772 | |
| 2773 // -Xinternalversion | |
| 2774 } else if (match_option(option, "-Xinternalversion", &tail)) { | |
| 2775 jio_fprintf(defaultStream::output_stream(), "%s\n", | |
| 2776 VM_Version::internal_vm_info_string()); | |
| 2777 vm_exit(0); | |
| 2778 #ifndef PRODUCT | |
| 2779 // -Xprintflags | |
| 2780 } else if (match_option(option, "-Xprintflags", &tail)) { | |
| 4773 | 2781 CommandLineFlags::printFlags(tty, false); |
| 0 | 2782 vm_exit(0); |
| 2783 #endif | |
| 2784 // -D | |
| 2785 } else if (match_option(option, "-D", &tail)) { | |
| 2786 if (!add_property(tail)) { | |
| 2787 return JNI_ENOMEM; | |
| 2788 } | |
| 2789 // Out of the box management support | |
| 2790 if (match_option(option, "-Dcom.sun.management", &tail)) { | |
|
8081
579f6adb7f51
8003539: Minimal VM don't react to -Dcom.sun.management and -XX:+ManagementServer
jprovino
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8002
diff
changeset
|
2791 #if INCLUDE_MANAGEMENT |
| 0 | 2792 FLAG_SET_CMDLINE(bool, ManagementServer, true); |
|
8081
579f6adb7f51
8003539: Minimal VM don't react to -Dcom.sun.management and -XX:+ManagementServer
jprovino
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8002
diff
changeset
|
2793 #else |
|
8720
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parents:
8105
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changeset
|
2794 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
|
2795 "-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
|
2796 return JNI_ERR; |
|
8081
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jprovino
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8002
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|
2797 #endif |
| 0 | 2798 } |
| 2799 // -Xint | |
| 2800 } else if (match_option(option, "-Xint", &tail)) { | |
| 2801 set_mode_flags(_int); | |
| 2802 // -Xmixed | |
| 2803 } else if (match_option(option, "-Xmixed", &tail)) { | |
| 2804 set_mode_flags(_mixed); | |
| 2805 // -Xcomp | |
| 2806 } else if (match_option(option, "-Xcomp", &tail)) { | |
| 2807 // for testing the compiler; turn off all flags that inhibit compilation | |
| 2808 set_mode_flags(_comp); | |
| 2809 // -Xshare:dump | |
| 2810 } else if (match_option(option, "-Xshare:dump", &tail)) { | |
| 2811 FLAG_SET_CMDLINE(bool, DumpSharedSpaces, true); | |
| 2812 set_mode_flags(_int); // Prevent compilation, which creates objects | |
| 2813 // -Xshare:on | |
| 2814 } else if (match_option(option, "-Xshare:on", &tail)) { | |
| 2815 FLAG_SET_CMDLINE(bool, UseSharedSpaces, true); | |
| 2816 FLAG_SET_CMDLINE(bool, RequireSharedSpaces, true); | |
| 2817 // -Xshare:auto | |
| 2818 } else if (match_option(option, "-Xshare:auto", &tail)) { | |
| 2819 FLAG_SET_CMDLINE(bool, UseSharedSpaces, true); | |
| 2820 FLAG_SET_CMDLINE(bool, RequireSharedSpaces, false); | |
| 2821 // -Xshare:off | |
| 2822 } else if (match_option(option, "-Xshare:off", &tail)) { | |
| 2823 FLAG_SET_CMDLINE(bool, UseSharedSpaces, false); | |
| 2824 FLAG_SET_CMDLINE(bool, RequireSharedSpaces, false); | |
| 2825 // -Xverify | |
| 2826 } else if (match_option(option, "-Xverify", &tail)) { | |
| 2827 if (strcmp(tail, ":all") == 0 || strcmp(tail, "") == 0) { | |
| 2828 FLAG_SET_CMDLINE(bool, BytecodeVerificationLocal, true); | |
| 2829 FLAG_SET_CMDLINE(bool, BytecodeVerificationRemote, true); | |
| 2830 } else if (strcmp(tail, ":remote") == 0) { | |
| 2831 FLAG_SET_CMDLINE(bool, BytecodeVerificationLocal, false); | |
| 2832 FLAG_SET_CMDLINE(bool, BytecodeVerificationRemote, true); | |
| 2833 } else if (strcmp(tail, ":none") == 0) { | |
| 2834 FLAG_SET_CMDLINE(bool, BytecodeVerificationLocal, false); | |
| 2835 FLAG_SET_CMDLINE(bool, BytecodeVerificationRemote, false); | |
| 2836 } else if (is_bad_option(option, args->ignoreUnrecognized, "verification")) { | |
| 2837 return JNI_EINVAL; | |
| 2838 } | |
| 2839 // -Xdebug | |
| 2840 } else if (match_option(option, "-Xdebug", &tail)) { | |
| 2841 // note this flag has been used, then ignore | |
| 2842 set_xdebug_mode(true); | |
| 2843 // -Xnoagent | |
| 2844 } else if (match_option(option, "-Xnoagent", &tail)) { | |
| 2845 // For compatibility with classic. HotSpot refuses to load the old style agent.dll. | |
| 2846 } else if (match_option(option, "-Xboundthreads", &tail)) { | |
| 2847 // Bind user level threads to kernel threads (Solaris only) | |
| 2848 FLAG_SET_CMDLINE(bool, UseBoundThreads, true); | |
| 2849 } else if (match_option(option, "-Xloggc:", &tail)) { | |
| 2850 // Redirect GC output to the file. -Xloggc:<filename> | |
| 2851 // ostream_init_log(), when called will use this filename | |
| 2852 // to initialize a fileStream. | |
| 2853 _gc_log_filename = strdup(tail); | |
| 12215 | 2854 if (!is_filename_valid(_gc_log_filename)) { |
| 2855 jio_fprintf(defaultStream::output_stream(), | |
| 2856 "Invalid file name for use with -Xloggc: Filename can only contain the " | |
| 2857 "characters [A-Z][a-z][0-9]-_.%%[p|t] but it has been %s\n" | |
| 2858 "Note %%p or %%t can only be used once\n", _gc_log_filename); | |
| 2859 return JNI_EINVAL; | |
| 2860 } | |
| 0 | 2861 FLAG_SET_CMDLINE(bool, PrintGC, true); |
| 2862 FLAG_SET_CMDLINE(bool, PrintGCTimeStamps, true); | |
| 2863 | |
| 2864 // JNI hooks | |
| 2865 } else if (match_option(option, "-Xcheck", &tail)) { | |
| 2866 if (!strcmp(tail, ":jni")) { | |
|
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|
2867 #if !INCLUDE_JNI_CHECK |
|
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|
2868 warning("JNI CHECKING is not supported in this VM"); |
|
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|
2869 #else |
| 0 | 2870 CheckJNICalls = true; |
|
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|
2871 #endif // INCLUDE_JNI_CHECK |
| 0 | 2872 } else if (is_bad_option(option, args->ignoreUnrecognized, |
| 2873 "check")) { | |
| 2874 return JNI_EINVAL; | |
| 2875 } | |
| 2876 } else if (match_option(option, "vfprintf", &tail)) { | |
| 2877 _vfprintf_hook = CAST_TO_FN_PTR(vfprintf_hook_t, option->extraInfo); | |
| 2878 } else if (match_option(option, "exit", &tail)) { | |
| 2879 _exit_hook = CAST_TO_FN_PTR(exit_hook_t, option->extraInfo); | |
| 2880 } else if (match_option(option, "abort", &tail)) { | |
| 2881 _abort_hook = CAST_TO_FN_PTR(abort_hook_t, option->extraInfo); | |
| 2882 // -XX:+AggressiveHeap | |
| 2883 } else if (match_option(option, "-XX:+AggressiveHeap", &tail)) { | |
| 2884 | |
| 2885 // This option inspects the machine and attempts to set various | |
| 2886 // parameters to be optimal for long-running, memory allocation | |
| 2887 // intensive jobs. It is intended for machines with large | |
| 2888 // amounts of cpu and memory. | |
| 2889 | |
| 2890 // initHeapSize is needed since _initial_heap_size is 4 bytes on a 32 bit | |
| 2891 // VM, but we may not be able to represent the total physical memory | |
| 2892 // available (like having 8gb of memory on a box but using a 32bit VM). | |
| 2893 // Thus, we need to make sure we're using a julong for intermediate | |
| 2894 // calculations. | |
| 2895 julong initHeapSize; | |
| 2896 julong total_memory = os::physical_memory(); | |
| 2897 | |
| 2898 if (total_memory < (julong)256*M) { | |
| 2899 jio_fprintf(defaultStream::error_stream(), | |
| 2900 "You need at least 256mb of memory to use -XX:+AggressiveHeap\n"); | |
| 2901 vm_exit(1); | |
| 2902 } | |
| 2903 | |
| 2904 // The heap size is half of available memory, or (at most) | |
| 2905 // all of possible memory less 160mb (leaving room for the OS | |
| 2906 // when using ISM). This is the maximum; because adaptive sizing | |
| 2907 // is turned on below, the actual space used may be smaller. | |
| 2908 | |
| 2909 initHeapSize = MIN2(total_memory / (julong)2, | |
| 2910 total_memory - (julong)160*M); | |
| 2911 | |
|
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|
2912 initHeapSize = limit_by_allocatable_memory(initHeapSize); |
| 0 | 2913 |
| 2914 if (FLAG_IS_DEFAULT(MaxHeapSize)) { | |
| 2915 FLAG_SET_CMDLINE(uintx, MaxHeapSize, initHeapSize); | |
| 1064 | 2916 FLAG_SET_CMDLINE(uintx, InitialHeapSize, initHeapSize); |
| 0 | 2917 // Currently the minimum size and the initial heap sizes are the same. |
| 1064 | 2918 set_min_heap_size(initHeapSize); |
| 0 | 2919 } |
| 2920 if (FLAG_IS_DEFAULT(NewSize)) { | |
| 2921 // Make the young generation 3/8ths of the total heap. | |
| 2922 FLAG_SET_CMDLINE(uintx, NewSize, | |
| 2923 ((julong)MaxHeapSize / (julong)8) * (julong)3); | |
| 2924 FLAG_SET_CMDLINE(uintx, MaxNewSize, NewSize); | |
| 2925 } | |
| 2926 | |
|
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|
2927 #ifndef _ALLBSD_SOURCE // UseLargePages is not yet supported on BSD. |
| 0 | 2928 FLAG_SET_DEFAULT(UseLargePages, true); |
|
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|
2929 #endif |
| 0 | 2930 |
| 2931 // Increase some data structure sizes for efficiency | |
| 2932 FLAG_SET_CMDLINE(uintx, BaseFootPrintEstimate, MaxHeapSize); | |
| 2933 FLAG_SET_CMDLINE(bool, ResizeTLAB, false); | |
| 2934 FLAG_SET_CMDLINE(uintx, TLABSize, 256*K); | |
| 2935 | |
| 2936 // See the OldPLABSize comment below, but replace 'after promotion' | |
| 2937 // with 'after copying'. YoungPLABSize is the size of the survivor | |
| 2938 // space per-gc-thread buffers. The default is 4kw. | |
| 2939 FLAG_SET_CMDLINE(uintx, YoungPLABSize, 256*K); // Note: this is in words | |
| 2940 | |
| 2941 // OldPLABSize is the size of the buffers in the old gen that | |
| 2942 // UseParallelGC uses to promote live data that doesn't fit in the | |
| 2943 // survivor spaces. At any given time, there's one for each gc thread. | |
| 2944 // The default size is 1kw. These buffers are rarely used, since the | |
| 2945 // survivor spaces are usually big enough. For specjbb, however, there | |
| 2946 // are occasions when there's lots of live data in the young gen | |
| 2947 // and we end up promoting some of it. We don't have a definite | |
| 2948 // explanation for why bumping OldPLABSize helps, but the theory | |
| 2949 // is that a bigger PLAB results in retaining something like the | |
| 2950 // original allocation order after promotion, which improves mutator | |
| 2951 // locality. A minor effect may be that larger PLABs reduce the | |
| 2952 // number of PLAB allocation events during gc. The value of 8kw | |
| 2953 // was arrived at by experimenting with specjbb. | |
| 2954 FLAG_SET_CMDLINE(uintx, OldPLABSize, 8*K); // Note: this is in words | |
| 2955 | |
| 2956 // Enable parallel GC and adaptive generation sizing | |
| 2957 FLAG_SET_CMDLINE(bool, UseParallelGC, true); | |
|
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diff
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|
2958 FLAG_SET_DEFAULT(ParallelGCThreads, |
|
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diff
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|
2959 Abstract_VM_Version::parallel_worker_threads()); |
| 0 | 2960 |
| 2961 // Encourage steady state memory management | |
| 2962 FLAG_SET_CMDLINE(uintx, ThresholdTolerance, 100); | |
| 2963 | |
| 2964 // This appears to improve mutator locality | |
| 2965 FLAG_SET_CMDLINE(bool, ScavengeBeforeFullGC, false); | |
| 2966 | |
| 2967 // Get around early Solaris scheduling bug | |
| 2968 // (affinity vs other jobs on system) | |
| 2969 // but disallow DR and offlining (5008695). | |
| 2970 FLAG_SET_CMDLINE(bool, BindGCTaskThreadsToCPUs, true); | |
| 2971 | |
| 2972 } else if (match_option(option, "-XX:+NeverTenure", &tail)) { | |
| 2973 // The last option must always win. | |
| 2974 FLAG_SET_CMDLINE(bool, AlwaysTenure, false); | |
| 2975 FLAG_SET_CMDLINE(bool, NeverTenure, true); | |
| 2976 } else if (match_option(option, "-XX:+AlwaysTenure", &tail)) { | |
| 2977 // The last option must always win. | |
| 2978 FLAG_SET_CMDLINE(bool, NeverTenure, false); | |
| 2979 FLAG_SET_CMDLINE(bool, AlwaysTenure, true); | |
| 2980 } else if (match_option(option, "-XX:+CMSPermGenSweepingEnabled", &tail) || | |
| 2981 match_option(option, "-XX:-CMSPermGenSweepingEnabled", &tail)) { | |
| 2982 jio_fprintf(defaultStream::error_stream(), | |
| 2983 "Please use CMSClassUnloadingEnabled in place of " | |
| 2984 "CMSPermGenSweepingEnabled in the future\n"); | |
| 2985 } else if (match_option(option, "-XX:+UseGCTimeLimit", &tail)) { | |
| 2986 FLAG_SET_CMDLINE(bool, UseGCOverheadLimit, true); | |
| 2987 jio_fprintf(defaultStream::error_stream(), | |
| 2988 "Please use -XX:+UseGCOverheadLimit in place of " | |
| 2989 "-XX:+UseGCTimeLimit in the future\n"); | |
| 2990 } else if (match_option(option, "-XX:-UseGCTimeLimit", &tail)) { | |
| 2991 FLAG_SET_CMDLINE(bool, UseGCOverheadLimit, false); | |
| 2992 jio_fprintf(defaultStream::error_stream(), | |
| 2993 "Please use -XX:-UseGCOverheadLimit in place of " | |
| 2994 "-XX:-UseGCTimeLimit in the future\n"); | |
| 2995 // The TLE options are for compatibility with 1.3 and will be | |
| 2996 // removed without notice in a future release. These options | |
| 2997 // are not to be documented. | |
| 2998 } else if (match_option(option, "-XX:MaxTLERatio=", &tail)) { | |
| 2999 // No longer used. | |
| 3000 } else if (match_option(option, "-XX:+ResizeTLE", &tail)) { | |
| 3001 FLAG_SET_CMDLINE(bool, ResizeTLAB, true); | |
| 3002 } else if (match_option(option, "-XX:-ResizeTLE", &tail)) { | |
| 3003 FLAG_SET_CMDLINE(bool, ResizeTLAB, false); | |
| 3004 } else if (match_option(option, "-XX:+PrintTLE", &tail)) { | |
| 3005 FLAG_SET_CMDLINE(bool, PrintTLAB, true); | |
| 3006 } else if (match_option(option, "-XX:-PrintTLE", &tail)) { | |
| 3007 FLAG_SET_CMDLINE(bool, PrintTLAB, false); | |
| 3008 } else if (match_option(option, "-XX:TLEFragmentationRatio=", &tail)) { | |
| 3009 // No longer used. | |
| 3010 } else if (match_option(option, "-XX:TLESize=", &tail)) { | |
|
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|
3011 julong long_tlab_size = 0; |
| 0 | 3012 ArgsRange errcode = parse_memory_size(tail, &long_tlab_size, 1); |
| 3013 if (errcode != arg_in_range) { | |
| 3014 jio_fprintf(defaultStream::error_stream(), | |
| 3015 "Invalid TLAB size: %s\n", option->optionString); | |
| 3016 describe_range_error(errcode); | |
| 3017 return JNI_EINVAL; | |
| 3018 } | |
| 3019 FLAG_SET_CMDLINE(uintx, TLABSize, long_tlab_size); | |
| 3020 } else if (match_option(option, "-XX:TLEThreadRatio=", &tail)) { | |
| 3021 // No longer used. | |
| 3022 } else if (match_option(option, "-XX:+UseTLE", &tail)) { | |
| 3023 FLAG_SET_CMDLINE(bool, UseTLAB, true); | |
| 3024 } else if (match_option(option, "-XX:-UseTLE", &tail)) { | |
| 3025 FLAG_SET_CMDLINE(bool, UseTLAB, false); | |
| 3026 } else if (match_option(option, "-XX:+DisplayVMOutputToStderr", &tail)) { | |
| 3027 FLAG_SET_CMDLINE(bool, DisplayVMOutputToStdout, false); | |
| 3028 FLAG_SET_CMDLINE(bool, DisplayVMOutputToStderr, true); | |
| 3029 } else if (match_option(option, "-XX:+DisplayVMOutputToStdout", &tail)) { | |
| 3030 FLAG_SET_CMDLINE(bool, DisplayVMOutputToStderr, false); | |
| 3031 FLAG_SET_CMDLINE(bool, DisplayVMOutputToStdout, true); | |
| 3032 } else if (match_option(option, "-XX:+ExtendedDTraceProbes", &tail)) { | |
| 4006 | 3033 #if defined(DTRACE_ENABLED) |
| 0 | 3034 FLAG_SET_CMDLINE(bool, ExtendedDTraceProbes, true); |
| 3035 FLAG_SET_CMDLINE(bool, DTraceMethodProbes, true); | |
| 3036 FLAG_SET_CMDLINE(bool, DTraceAllocProbes, true); | |
| 3037 FLAG_SET_CMDLINE(bool, DTraceMonitorProbes, true); | |
| 4006 | 3038 #else // defined(DTRACE_ENABLED) |
| 0 | 3039 jio_fprintf(defaultStream::error_stream(), |
| 4006 | 3040 "ExtendedDTraceProbes flag is not applicable for this configuration\n"); |
| 0 | 3041 return JNI_EINVAL; |
| 4006 | 3042 #endif // defined(DTRACE_ENABLED) |
| 0 | 3043 #ifdef ASSERT |
|
1145
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6631166: CMS: better heuristics when combatting fragmentation
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diff
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|
3044 } else if (match_option(option, "-XX:+FullGCALot", &tail)) { |
| 0 | 3045 FLAG_SET_CMDLINE(bool, FullGCALot, true); |
| 3046 // disable scavenge before parallel mark-compact | |
| 3047 FLAG_SET_CMDLINE(bool, ScavengeBeforeFullGC, false); | |
| 3048 #endif | |
|
1145
e018e6884bd8
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diff
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|
3049 } else if (match_option(option, "-XX:CMSParPromoteBlocksToClaim=", &tail)) { |
| 0 | 3050 julong cms_blocks_to_claim = (julong)atol(tail); |
| 3051 FLAG_SET_CMDLINE(uintx, CMSParPromoteBlocksToClaim, cms_blocks_to_claim); | |
| 3052 jio_fprintf(defaultStream::error_stream(), | |
|
1145
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|
3053 "Please use -XX:OldPLABSize in place of " |
|
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
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1074
diff
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|
3054 "-XX:CMSParPromoteBlocksToClaim in the future\n"); |
|
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
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1074
diff
changeset
|
3055 } else if (match_option(option, "-XX:ParCMSPromoteBlocksToClaim=", &tail)) { |
|
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
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parents:
1074
diff
changeset
|
3056 julong cms_blocks_to_claim = (julong)atol(tail); |
|
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
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1074
diff
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|
3057 FLAG_SET_CMDLINE(uintx, CMSParPromoteBlocksToClaim, cms_blocks_to_claim); |
|
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
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1074
diff
changeset
|
3058 jio_fprintf(defaultStream::error_stream(), |
|
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
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1074
diff
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|
3059 "Please use -XX:OldPLABSize in place of " |
| 0 | 3060 "-XX:ParCMSPromoteBlocksToClaim in the future\n"); |
|
1145
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6631166: CMS: better heuristics when combatting fragmentation
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1074
diff
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|
3061 } else if (match_option(option, "-XX:ParallelGCOldGenAllocBufferSize=", &tail)) { |
|
489
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483
diff
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|
3062 julong old_plab_size = 0; |
| 0 | 3063 ArgsRange errcode = parse_memory_size(tail, &old_plab_size, 1); |
| 3064 if (errcode != arg_in_range) { | |
| 3065 jio_fprintf(defaultStream::error_stream(), | |
| 3066 "Invalid old PLAB size: %s\n", option->optionString); | |
| 3067 describe_range_error(errcode); | |
| 3068 return JNI_EINVAL; | |
| 3069 } | |
|
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
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483
diff
changeset
|
3070 FLAG_SET_CMDLINE(uintx, OldPLABSize, old_plab_size); |
| 0 | 3071 jio_fprintf(defaultStream::error_stream(), |
| 3072 "Please use -XX:OldPLABSize in place of " | |
| 3073 "-XX:ParallelGCOldGenAllocBufferSize in the future\n"); | |
|
1145
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1074
diff
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|
3074 } else if (match_option(option, "-XX:ParallelGCToSpaceAllocBufferSize=", &tail)) { |
|
489
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|
3075 julong young_plab_size = 0; |
| 0 | 3076 ArgsRange errcode = parse_memory_size(tail, &young_plab_size, 1); |
| 3077 if (errcode != arg_in_range) { | |
| 3078 jio_fprintf(defaultStream::error_stream(), | |
| 3079 "Invalid young PLAB size: %s\n", option->optionString); | |
| 3080 describe_range_error(errcode); | |
| 3081 return JNI_EINVAL; | |
| 3082 } | |
|
489
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|
3083 FLAG_SET_CMDLINE(uintx, YoungPLABSize, young_plab_size); |
| 0 | 3084 jio_fprintf(defaultStream::error_stream(), |
| 3085 "Please use -XX:YoungPLABSize in place of " | |
| 3086 "-XX:ParallelGCToSpaceAllocBufferSize in the future\n"); | |
| 1284 | 3087 } else if (match_option(option, "-XX:CMSMarkStackSize=", &tail) || |
| 3088 match_option(option, "-XX:G1MarkStackSize=", &tail)) { | |
| 3089 julong stack_size = 0; | |
| 3090 ArgsRange errcode = parse_memory_size(tail, &stack_size, 1); | |
| 3091 if (errcode != arg_in_range) { | |
| 3092 jio_fprintf(defaultStream::error_stream(), | |
| 3093 "Invalid mark stack size: %s\n", option->optionString); | |
| 3094 describe_range_error(errcode); | |
| 3095 return JNI_EINVAL; | |
| 3096 } | |
| 3097 FLAG_SET_CMDLINE(uintx, MarkStackSize, stack_size); | |
| 3098 } else if (match_option(option, "-XX:CMSMarkStackSizeMax=", &tail)) { | |
| 3099 julong max_stack_size = 0; | |
| 3100 ArgsRange errcode = parse_memory_size(tail, &max_stack_size, 1); | |
| 3101 if (errcode != arg_in_range) { | |
| 3102 jio_fprintf(defaultStream::error_stream(), | |
| 3103 "Invalid maximum mark stack size: %s\n", | |
| 3104 option->optionString); | |
| 3105 describe_range_error(errcode); | |
| 3106 return JNI_EINVAL; | |
| 3107 } | |
| 3108 FLAG_SET_CMDLINE(uintx, MarkStackSizeMax, max_stack_size); | |
| 3109 } else if (match_option(option, "-XX:ParallelMarkingThreads=", &tail) || | |
| 3110 match_option(option, "-XX:ParallelCMSThreads=", &tail)) { | |
| 3111 uintx conc_threads = 0; | |
| 3112 if (!parse_uintx(tail, &conc_threads, 1)) { | |
| 3113 jio_fprintf(defaultStream::error_stream(), | |
| 3114 "Invalid concurrent threads: %s\n", option->optionString); | |
| 3115 return JNI_EINVAL; | |
| 3116 } | |
| 3117 FLAG_SET_CMDLINE(uintx, ConcGCThreads, conc_threads); | |
|
6199
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7179383: MaxDirectMemorySize argument parsing is broken for values >2G
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6198
diff
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|
3118 } else if (match_option(option, "-XX:MaxDirectMemorySize=", &tail)) { |
|
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
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6198
diff
changeset
|
3119 julong max_direct_memory_size = 0; |
|
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
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6198
diff
changeset
|
3120 ArgsRange errcode = parse_memory_size(tail, &max_direct_memory_size, 0); |
|
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
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6198
diff
changeset
|
3121 if (errcode != arg_in_range) { |
|
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
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6198
diff
changeset
|
3122 jio_fprintf(defaultStream::error_stream(), |
|
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
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diff
changeset
|
3123 "Invalid maximum direct memory size: %s\n", |
|
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
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6198
diff
changeset
|
3124 option->optionString); |
|
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
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diff
changeset
|
3125 describe_range_error(errcode); |
|
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
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6198
diff
changeset
|
3126 return JNI_EINVAL; |
|
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
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6198
diff
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|
3127 } |
|
3f1ab0c19c30
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dholmes
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6198
diff
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|
3128 FLAG_SET_CMDLINE(uintx, MaxDirectMemorySize, max_direct_memory_size); |
|
6878
85916677fc22
7188233: UseVMInterruptibleIO flag deprecate for JDK8
coleenp
parents:
6857
diff
changeset
|
3129 } else if (match_option(option, "-XX:+UseVMInterruptibleIO", &tail)) { |
|
85916677fc22
7188233: UseVMInterruptibleIO flag deprecate for JDK8
coleenp
parents:
6857
diff
changeset
|
3130 // NOTE! In JDK 9, the UseVMInterruptibleIO flag will completely go |
|
85916677fc22
7188233: UseVMInterruptibleIO flag deprecate for JDK8
coleenp
parents:
6857
diff
changeset
|
3131 // away and will cause VM initialization failures! |
|
85916677fc22
7188233: UseVMInterruptibleIO flag deprecate for JDK8
coleenp
parents:
6857
diff
changeset
|
3132 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
|
3133 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
|
3134 #if !INCLUDE_MANAGEMENT |
|
579f6adb7f51
8003539: Minimal VM don't react to -Dcom.sun.management and -XX:+ManagementServer
jprovino
parents:
8002
diff
changeset
|
3135 } 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
|
3136 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
|
3137 "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
|
3138 return JNI_ERR; |
|
8081
579f6adb7f51
8003539: Minimal VM don't react to -Dcom.sun.management and -XX:+ManagementServer
jprovino
parents:
8002
diff
changeset
|
3139 #endif // INCLUDE_MANAGEMENT |
|
1145
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3140 } else if (match_option(option, "-XX:", &tail)) { // -XX:xxxx |
| 0 | 3141 // Skip -XX:Flags= since that case has already been handled |
| 3142 if (strncmp(tail, "Flags=", strlen("Flags=")) != 0) { | |
| 3143 if (!process_argument(tail, args->ignoreUnrecognized, origin)) { | |
| 3144 return JNI_EINVAL; | |
| 3145 } | |
| 3146 } | |
| 3147 // Unknown option | |
| 3148 } else if (is_bad_option(option, args->ignoreUnrecognized)) { | |
| 3149 return JNI_ERR; | |
| 3150 } | |
| 3151 } | |
|
3767
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
3152 |
|
449
171e581e8161
6554406: Change switch UseVMInterruptibleIO default to false (sol)
xlu
parents:
420
diff
changeset
|
3153 // 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
|
3154 // when working with older JDKs. |
|
1679
3d90023429ec
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
1628
diff
changeset
|
3155 #ifdef LINUX |
|
3d90023429ec
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
1628
diff
changeset
|
3156 if (JDK_Version::current().compare_major(6) <= 0 && |
|
3d90023429ec
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
1628
diff
changeset
|
3157 FLAG_IS_DEFAULT(UseLinuxPosixThreadCPUClocks)) { |
|
3d90023429ec
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
1628
diff
changeset
|
3158 FLAG_SET_DEFAULT(UseLinuxPosixThreadCPUClocks, false); |
|
3d90023429ec
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
1628
diff
changeset
|
3159 } |
|
3d90023429ec
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
1628
diff
changeset
|
3160 #endif // LINUX |
| 0 | 3161 return JNI_OK; |
| 3162 } | |
| 3163 | |
| 3164 jint Arguments::finalize_vm_init_args(SysClassPath* scp_p, bool scp_assembly_required) { | |
| 3165 // This must be done after all -D arguments have been processed. | |
| 3166 scp_p->expand_endorsed(); | |
| 3167 | |
| 3168 if (scp_assembly_required || scp_p->get_endorsed() != NULL) { | |
| 3169 // Assemble the bootclasspath elements into the final path. | |
| 3170 Arguments::set_sysclasspath(scp_p->combined_path()); | |
| 3171 } | |
| 3172 | |
| 3173 // This must be done after all arguments have been processed. | |
| 3174 // java_compiler() true means set to "NONE" or empty. | |
| 3175 if (java_compiler() && !xdebug_mode()) { | |
| 3176 // For backwards compatibility, we switch to interpreted mode if | |
| 3177 // -Djava.compiler="NONE" or "" is specified AND "-Xdebug" was | |
| 3178 // not specified. | |
| 3179 set_mode_flags(_int); | |
| 3180 } | |
| 3181 if (CompileThreshold == 0) { | |
| 3182 set_mode_flags(_int); | |
| 3183 } | |
| 3184 | |
|
10292
acac2b03a07f
8014765: VM exits if MaxTenuringThreshold is set below the default InitialTenuringThreshold, and InitialTenuringThreshold is not set
tschatzl
parents:
10287
diff
changeset
|
3185 // 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
|
3186 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
|
3187 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
|
3188 } |
|
acac2b03a07f
8014765: VM exits if MaxTenuringThreshold is set below the default InitialTenuringThreshold, and InitialTenuringThreshold is not set
tschatzl
parents:
10287
diff
changeset
|
3189 |
| 0 | 3190 #ifndef COMPILER2 |
| 3191 // Don't degrade server performance for footprint | |
| 3192 if (FLAG_IS_DEFAULT(UseLargePages) && | |
| 3193 MaxHeapSize < LargePageHeapSizeThreshold) { | |
| 3194 // No need for large granularity pages w/small heaps. | |
| 3195 // Note that large pages are enabled/disabled for both the | |
| 3196 // Java heap and the code cache. | |
| 3197 FLAG_SET_DEFAULT(UseLargePages, false); | |
| 3198 } | |
|
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
3199 |
| 0 | 3200 #else |
| 3201 if (!FLAG_IS_DEFAULT(OptoLoopAlignment) && FLAG_IS_DEFAULT(MaxLoopPad)) { | |
| 3202 FLAG_SET_DEFAULT(MaxLoopPad, OptoLoopAlignment-1); | |
| 3203 } | |
| 3204 #endif | |
| 3205 | |
|
11999
79a5283f4595
8021120: TieredCompilation can be enabled even if TIERED is undefined
iignatyev
parents:
11154
diff
changeset
|
3206 #ifndef TIERED |
|
79a5283f4595
8021120: TieredCompilation can be enabled even if TIERED is undefined
iignatyev
parents:
11154
diff
changeset
|
3207 // Tiered compilation is undefined. |
|
79a5283f4595
8021120: TieredCompilation can be enabled even if TIERED is undefined
iignatyev
parents:
11154
diff
changeset
|
3208 UNSUPPORTED_OPTION(TieredCompilation, "TieredCompilation"); |
|
79a5283f4595
8021120: TieredCompilation can be enabled even if TIERED is undefined
iignatyev
parents:
11154
diff
changeset
|
3209 #endif |
|
79a5283f4595
8021120: TieredCompilation can be enabled even if TIERED is undefined
iignatyev
parents:
11154
diff
changeset
|
3210 |
|
1681
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3211 // 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
|
3212 // to be true unless the property has already been set. |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3213 // 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
|
3214 if (os::is_headless_jre()) { |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3215 const char* headless = Arguments::get_property("java.awt.headless"); |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3216 if (headless == NULL) { |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3217 char envbuffer[128]; |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3218 if (!os::getenv("JAVA_AWT_HEADLESS", envbuffer, sizeof(envbuffer))) { |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3219 if (!add_property("java.awt.headless=true")) { |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3220 return JNI_ENOMEM; |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3221 } |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3222 } else { |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3223 char buffer[256]; |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3224 strcpy(buffer, "java.awt.headless="); |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3225 strcat(buffer, envbuffer); |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3226 if (!add_property(buffer)) { |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3227 return JNI_ENOMEM; |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3228 } |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3229 } |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3230 } |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3231 } |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3232 |
| 0 | 3233 if (!check_vm_args_consistency()) { |
| 3234 return JNI_ERR; | |
| 3235 } | |
| 3236 | |
| 3237 return JNI_OK; | |
| 3238 } | |
| 3239 | |
| 3240 jint Arguments::parse_java_options_environment_variable(SysClassPath* scp_p, bool* scp_assembly_required_p) { | |
| 3241 return parse_options_environment_variable("_JAVA_OPTIONS", scp_p, | |
| 3242 scp_assembly_required_p); | |
| 3243 } | |
| 3244 | |
| 3245 jint Arguments::parse_java_tool_options_environment_variable(SysClassPath* scp_p, bool* scp_assembly_required_p) { | |
| 3246 return parse_options_environment_variable("JAVA_TOOL_OPTIONS", scp_p, | |
| 3247 scp_assembly_required_p); | |
| 3248 } | |
| 3249 | |
| 3250 jint Arguments::parse_options_environment_variable(const char* name, SysClassPath* scp_p, bool* scp_assembly_required_p) { | |
| 3251 const int N_MAX_OPTIONS = 64; | |
| 3252 const int OPTION_BUFFER_SIZE = 1024; | |
| 3253 char buffer[OPTION_BUFFER_SIZE]; | |
| 3254 | |
| 3255 // The variable will be ignored if it exceeds the length of the buffer. | |
| 3256 // Don't check this variable if user has special privileges | |
| 3257 // (e.g. unix su command). | |
| 3258 if (os::getenv(name, buffer, sizeof(buffer)) && | |
| 3259 !os::have_special_privileges()) { | |
| 3260 JavaVMOption options[N_MAX_OPTIONS]; // Construct option array | |
| 3261 jio_fprintf(defaultStream::error_stream(), | |
| 3262 "Picked up %s: %s\n", name, buffer); | |
| 3263 char* rd = buffer; // pointer to the input string (rd) | |
| 3264 int i; | |
| 3265 for (i = 0; i < N_MAX_OPTIONS;) { // repeat for all options in the input string | |
| 3266 while (isspace(*rd)) rd++; // skip whitespace | |
| 3267 if (*rd == 0) break; // we re done when the input string is read completely | |
| 3268 | |
| 3269 // The output, option string, overwrites the input string. | |
| 3270 // Because of quoting, the pointer to the option string (wrt) may lag the pointer to | |
| 3271 // input string (rd). | |
| 3272 char* wrt = rd; | |
| 3273 | |
| 3274 options[i++].optionString = wrt; // Fill in option | |
| 3275 while (*rd != 0 && !isspace(*rd)) { // unquoted strings terminate with a space or NULL | |
| 3276 if (*rd == '\'' || *rd == '"') { // handle a quoted string | |
| 3277 int quote = *rd; // matching quote to look for | |
| 3278 rd++; // don't copy open quote | |
| 3279 while (*rd != quote) { // include everything (even spaces) up until quote | |
| 3280 if (*rd == 0) { // string termination means unmatched string | |
| 3281 jio_fprintf(defaultStream::error_stream(), | |
| 3282 "Unmatched quote in %s\n", name); | |
| 3283 return JNI_ERR; | |
| 3284 } | |
| 3285 *wrt++ = *rd++; // copy to option string | |
| 3286 } | |
| 3287 rd++; // don't copy close quote | |
| 3288 } else { | |
| 3289 *wrt++ = *rd++; // copy to option string | |
| 3290 } | |
| 3291 } | |
| 3292 // Need to check if we're done before writing a NULL, | |
| 3293 // because the write could be to the byte that rd is pointing to. | |
| 3294 if (*rd++ == 0) { | |
| 3295 *wrt = 0; | |
| 3296 break; | |
| 3297 } | |
| 3298 *wrt = 0; // Zero terminate option | |
| 3299 } | |
| 3300 // Construct JavaVMInitArgs structure and parse as if it was part of the command line | |
| 3301 JavaVMInitArgs vm_args; | |
| 3302 vm_args.version = JNI_VERSION_1_2; | |
| 3303 vm_args.options = options; | |
| 3304 vm_args.nOptions = i; | |
| 564 | 3305 vm_args.ignoreUnrecognized = IgnoreUnrecognizedVMOptions; |
| 0 | 3306 |
| 3307 if (PrintVMOptions) { | |
| 3308 const char* tail; | |
| 3309 for (int i = 0; i < vm_args.nOptions; i++) { | |
| 3310 const JavaVMOption *option = vm_args.options + i; | |
| 3311 if (match_option(option, "-XX:", &tail)) { | |
| 3312 logOption(tail); | |
| 3313 } | |
| 3314 } | |
| 3315 } | |
| 3316 | |
| 3317 return(parse_each_vm_init_arg(&vm_args, scp_p, scp_assembly_required_p, ENVIRON_VAR)); | |
| 3318 } | |
| 3319 return JNI_OK; | |
| 3320 } | |
| 3321 | |
|
2362
a2c2eac1ca62
7018056: large pages not always enabled by default
jcoomes
parents:
2302
diff
changeset
|
3322 void Arguments::set_shared_spaces_flags() { |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3323 if (DumpSharedSpaces) { |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3324 if (RequireSharedSpaces) { |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3325 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
|
3326 } |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3327 UseSharedSpaces = false; |
|
12056
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
3328 #ifdef _LP64 |
|
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
3329 if (!UseCompressedOops || !UseCompressedKlassPointers) { |
|
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
3330 vm_exit_during_initialization( |
|
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
3331 "Cannot dump shared archive when UseCompressedOops or UseCompressedKlassPointers is off.", NULL); |
|
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
3332 } |
|
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
3333 } else { |
|
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
3334 // UseCompressedOops and UseCompressedKlassPointers must be on for UseSharedSpaces. |
|
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
3335 if (!UseCompressedOops || !UseCompressedKlassPointers) { |
|
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
3336 no_shared_spaces(); |
|
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
3337 } |
|
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
3338 #endif |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3339 } |
|
2362
a2c2eac1ca62
7018056: large pages not always enabled by default
jcoomes
parents:
2302
diff
changeset
|
3340 } |
|
1891
9de67bf4244d
6996136: VM crash in src/share/vm/runtime/virtualspace.cpp:424
iveresov
parents:
1890
diff
changeset
|
3341 |
|
9060
cc32ccaaf47f
8003310: Enable -Wunused-function when compiling with gcc
mikael
parents:
8847
diff
changeset
|
3342 #if !INCLUDE_ALL_GCS |
|
8086
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3343 static void force_serial_gc() { |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3344 FLAG_SET_DEFAULT(UseSerialGC, true); |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3345 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
|
3346 UNSUPPORTED_GC_OPTION(UseG1GC); |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3347 UNSUPPORTED_GC_OPTION(UseParallelGC); |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3348 UNSUPPORTED_GC_OPTION(UseParallelOldGC); |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3349 UNSUPPORTED_GC_OPTION(UseConcMarkSweepGC); |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3350 UNSUPPORTED_GC_OPTION(UseParNewGC); |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3351 } |
|
9060
cc32ccaaf47f
8003310: Enable -Wunused-function when compiling with gcc
mikael
parents:
8847
diff
changeset
|
3352 #endif // INCLUDE_ALL_GCS |
|
8086
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
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8083
diff
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|
3353 |
|
10270
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
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diff
changeset
|
3354 // Sharing support |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
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10264
diff
changeset
|
3355 // Construct the path to the archive |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
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diff
changeset
|
3356 static char* get_shared_archive_path() { |
|
f944ba972151
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diff
changeset
|
3357 char *shared_archive_path; |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
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diff
changeset
|
3358 if (SharedArchiveFile == NULL) { |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
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10264
diff
changeset
|
3359 char jvm_path[JVM_MAXPATHLEN]; |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
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10264
diff
changeset
|
3360 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
|
3361 char *end = strrchr(jvm_path, *os::file_separator()); |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
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10264
diff
changeset
|
3362 if (end != NULL) *end = '\0'; |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
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diff
changeset
|
3363 size_t jvm_path_len = strlen(jvm_path); |
|
f944ba972151
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hseigel
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diff
changeset
|
3364 size_t file_sep_len = strlen(os::file_separator()); |
|
f944ba972151
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hseigel
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10264
diff
changeset
|
3365 shared_archive_path = NEW_C_HEAP_ARRAY(char, jvm_path_len + |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
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diff
changeset
|
3366 file_sep_len + 20, mtInternal); |
|
f944ba972151
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diff
changeset
|
3367 if (shared_archive_path != NULL) { |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3368 strncpy(shared_archive_path, jvm_path, jvm_path_len + 1); |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
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10264
diff
changeset
|
3369 strncat(shared_archive_path, os::file_separator(), file_sep_len); |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
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diff
changeset
|
3370 strncat(shared_archive_path, "classes.jsa", 11); |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
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10264
diff
changeset
|
3371 } |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
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10264
diff
changeset
|
3372 } else { |
|
f944ba972151
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hseigel
parents:
10264
diff
changeset
|
3373 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
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10264
diff
changeset
|
3374 if (shared_archive_path != NULL) { |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3375 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
|
3376 } |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
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parents:
10264
diff
changeset
|
3377 } |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3378 return shared_archive_path; |
|
f944ba972151
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hseigel
parents:
10264
diff
changeset
|
3379 } |
|
f944ba972151
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10264
diff
changeset
|
3380 |
| 0 | 3381 // Parse entry point called from JNI_CreateJavaVM |
| 3382 | |
| 3383 jint Arguments::parse(const JavaVMInitArgs* args) { | |
| 3384 | |
| 3385 // Remaining part of option string | |
| 3386 const char* tail; | |
| 3387 | |
| 3388 // 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
|
3389 const char* hotspotrc = ".hotspotrc"; |
| 0 | 3390 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
|
3391 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
|
3392 |
| 564 | 3393 const char* flags_file; |
| 0 | 3394 int index; |
| 3395 for (index = 0; index < args->nOptions; index++) { | |
| 3396 const JavaVMOption *option = args->options + index; | |
| 3397 if (match_option(option, "-XX:Flags=", &tail)) { | |
| 564 | 3398 flags_file = tail; |
| 0 | 3399 settings_file_specified = true; |
| 3400 } | |
| 3401 if (match_option(option, "-XX:+PrintVMOptions", &tail)) { | |
| 3402 PrintVMOptions = true; | |
| 3403 } | |
|
253
b0fe4deeb9fb
6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.")
kvn
parents:
196
diff
changeset
|
3404 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
|
3405 PrintVMOptions = false; |
|
b0fe4deeb9fb
6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.")
kvn
parents:
196
diff
changeset
|
3406 } |
| 564 | 3407 if (match_option(option, "-XX:+IgnoreUnrecognizedVMOptions", &tail)) { |
| 3408 IgnoreUnrecognizedVMOptions = true; | |
| 3409 } | |
| 3410 if (match_option(option, "-XX:-IgnoreUnrecognizedVMOptions", &tail)) { | |
| 3411 IgnoreUnrecognizedVMOptions = false; | |
| 3412 } | |
| 1150 | 3413 if (match_option(option, "-XX:+PrintFlagsInitial", &tail)) { |
| 4773 | 3414 CommandLineFlags::printFlags(tty, false); |
| 1150 | 3415 vm_exit(0); |
| 3416 } | |
| 6197 | 3417 if (match_option(option, "-XX:NativeMemoryTracking", &tail)) { |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3418 #if INCLUDE_NMT |
| 6197 | 3419 MemTracker::init_tracking_options(tail); |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3420 #else |
|
8720
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
3421 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
|
3422 "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
|
3423 return JNI_ERR; |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3424 #endif |
| 6197 | 3425 } |
| 3426 | |
|
1768
6ee479178066
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
1745
diff
changeset
|
3427 |
|
6ee479178066
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
1745
diff
changeset
|
3428 #ifndef PRODUCT |
|
6ee479178066
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
1745
diff
changeset
|
3429 if (match_option(option, "-XX:+PrintFlagsWithComments", &tail)) { |
| 4773 | 3430 CommandLineFlags::printFlags(tty, true); |
|
1768
6ee479178066
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
1745
diff
changeset
|
3431 vm_exit(0); |
|
6ee479178066
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
1745
diff
changeset
|
3432 } |
|
6ee479178066
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
1745
diff
changeset
|
3433 #endif |
| 564 | 3434 } |
| 3435 | |
| 3436 if (IgnoreUnrecognizedVMOptions) { | |
| 3437 // uncast const to modify the flag args->ignoreUnrecognized | |
| 3438 *(jboolean*)(&args->ignoreUnrecognized) = true; | |
| 3439 } | |
| 3440 | |
| 3441 // Parse specified settings file | |
| 3442 if (settings_file_specified) { | |
| 3443 if (!process_settings_file(flags_file, true, args->ignoreUnrecognized)) { | |
| 3444 return JNI_EINVAL; | |
| 3445 } | |
|
6196
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3446 } else { |
|
6150
1e76463170b3
7110720: Issue with vm config file loadingIssue with vm config file loading
kamg
parents:
4780
diff
changeset
|
3447 #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
|
3448 // Parse default .hotspotrc settings file |
| 0 | 3449 if (!process_settings_file(".hotspotrc", false, args->ignoreUnrecognized)) { |
| 3450 return JNI_EINVAL; | |
| 3451 } | |
|
6196
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3452 #else |
|
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3453 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
|
3454 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
|
3455 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
|
3456 } |
|
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3457 #endif |
| 0 | 3458 } |
| 3459 | |
| 3460 if (PrintVMOptions) { | |
| 3461 for (index = 0; index < args->nOptions; index++) { | |
| 3462 const JavaVMOption *option = args->options + index; | |
| 3463 if (match_option(option, "-XX:", &tail)) { | |
| 3464 logOption(tail); | |
| 3465 } | |
| 3466 } | |
| 3467 } | |
| 3468 | |
| 3469 // Parse JavaVMInitArgs structure passed in, as well as JAVA_TOOL_OPTIONS and _JAVA_OPTIONS | |
| 3470 jint result = parse_vm_init_args(args); | |
| 3471 if (result != JNI_OK) { | |
| 3472 return result; | |
| 3473 } | |
| 3474 | |
|
10270
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3475 // 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
|
3476 SharedArchivePath = get_shared_archive_path(); |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3477 if (SharedArchivePath == NULL) { |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3478 return JNI_ENOMEM; |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3479 } |
|
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3480 |
|
6196
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3481 // 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
|
3482 // 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
|
3483 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
|
3484 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
|
3485 "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
|
3486 hotspotrc, hotspotrc); |
|
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3487 } |
|
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3488 |
|
6917
e81fbc04a942
7191817: -XX:+UseSerialGC -XX:+UseLargePages crashes with SIGFPE on MacOS X
coleenp
parents:
6916
diff
changeset
|
3489 #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
|
3490 UNSUPPORTED_OPTION(UseLargePages, "-XX:+UseLargePages"); |
|
e81fbc04a942
7191817: -XX:+UseSerialGC -XX:+UseLargePages crashes with SIGFPE on MacOS X
coleenp
parents:
6916
diff
changeset
|
3491 #endif |
|
e81fbc04a942
7191817: -XX:+UseSerialGC -XX:+UseLargePages crashes with SIGFPE on MacOS X
coleenp
parents:
6916
diff
changeset
|
3492 |
|
8086
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3493 #if INCLUDE_ALL_GCS |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3494 #if (defined JAVASE_EMBEDDED || defined ARM) |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3495 UNSUPPORTED_OPTION(UseG1GC, "G1 GC"); |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3496 #endif |
|
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3497 #endif |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3498 |
| 0 | 3499 #ifndef PRODUCT |
| 3500 if (TraceBytecodesAt != 0) { | |
| 3501 TraceBytecodes = true; | |
| 3502 } | |
| 3503 if (CountCompiledCalls) { | |
| 3504 if (UseCounterDecay) { | |
| 3505 warning("UseCounterDecay disabled because CountCalls is set"); | |
| 3506 UseCounterDecay = false; | |
| 3507 } | |
| 3508 } | |
| 3509 #endif // PRODUCT | |
| 3510 | |
|
2416
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3511 // 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
|
3512 if (!JDK_Version::is_gte_jdk17x_version()) { |
|
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3513 if (EnableInvokeDynamic) { |
|
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3514 if (!FLAG_IS_DEFAULT(EnableInvokeDynamic)) { |
|
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3515 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
|
3516 } |
|
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3517 EnableInvokeDynamic = false; |
| 710 | 3518 } |
| 3519 } | |
|
2416
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3520 |
|
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3521 if (EnableInvokeDynamic && ScavengeRootsInCode == 0) { |
|
989
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
932
diff
changeset
|
3522 if (!FLAG_IS_DEFAULT(ScavengeRootsInCode)) { |
|
2416
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3523 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
|
3524 } |
|
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
932
diff
changeset
|
3525 ScavengeRootsInCode = 1; |
|
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
932
diff
changeset
|
3526 } |
| 710 | 3527 |
| 0 | 3528 if (PrintGCDetails) { |
| 3529 // Turn on -verbose:gc options as well | |
| 3530 PrintGC = true; | |
| 3531 } | |
| 3532 | |
|
6064
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
3533 if (!JDK_Version::is_gte_jdk18x_version()) { |
|
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
3534 // 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
|
3535 // true by default in JDK8 and above. |
|
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
3536 if (FLAG_IS_DEFAULT(PrintGCCause)) { |
|
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
3537 FLAG_SET_DEFAULT(PrintGCCause, false); |
|
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
3538 } |
|
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
3539 } |
|
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
3540 |
|
1571
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
3541 // 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
|
3542 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
|
3543 |
|
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
3544 #if !INCLUDE_ALL_GCS |
| 1064 | 3545 force_serial_gc(); |
|
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
3546 #endif // INCLUDE_ALL_GCS |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3547 #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
|
3548 if (DumpSharedSpaces || RequireSharedSpaces) { |
|
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
3549 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
|
3550 "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
|
3551 return JNI_ERR; |
|
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
3552 } |
|
8724
69ffa4ac9e53
8009835: Only produce a warning when -Xshare:auto is explicitly requested
jprovino
parents:
8720
diff
changeset
|
3553 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
|
3554 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
|
3555 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
|
3556 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
|
3557 } |
| 0 | 3558 no_shared_spaces(); |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3559 #endif // INCLUDE_CDS |
| 0 | 3560 |
| 3561 // Set flags based on ergonomics. | |
| 3562 set_ergonomics_flags(); | |
| 3563 | |
|
2362
a2c2eac1ca62
7018056: large pages not always enabled by default
jcoomes
parents:
2302
diff
changeset
|
3564 set_shared_spaces_flags(); |
|
1135
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1131
diff
changeset
|
3565 |
|
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
3566 // Check the GC selections again. |
|
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
3567 if (!check_gc_consistency()) { |
|
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
3568 return JNI_EINVAL; |
|
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
3569 } |
|
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
3570 |
| 1783 | 3571 if (TieredCompilation) { |
| 3572 set_tiered_flags(); | |
| 3573 } else { | |
| 3574 // Check if the policy is valid. Policies 0 and 1 are valid for non-tiered setup. | |
| 3575 if (CompilationPolicyChoice >= 2) { | |
| 3576 vm_exit_during_initialization( | |
| 3577 "Incompatible compilation policy selected", NULL); | |
| 3578 } | |
| 3579 } | |
| 3580 | |
|
2368
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
3581 // Set heap size based on available physical memory |
|
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
3582 set_heap_size(); |
|
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3583 |
|
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
3584 #if INCLUDE_ALL_GCS |
|
2368
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
3585 // Set per-collector flags |
|
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
3586 if (UseParallelGC || UseParallelOldGC) { |
|
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
3587 set_parallel_gc_flags(); |
|
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
3588 } 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
|
3589 set_cms_and_parnew_gc_flags(); |
|
2368
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
3590 } 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
|
3591 set_parnew_gc_flags(); |
|
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
3592 } else if (UseG1GC) { |
|
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
3593 set_g1_gc_flags(); |
|
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
3594 } |
|
7452
e0ab18eafbde
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
7451
diff
changeset
|
3595 check_deprecated_gcs(); |
| 8734 | 3596 check_deprecated_gc_flags(); |
|
8845
1b90c7607451
2178143: JVM crashes if the number of bound CPUs changed during runtime
minqi
parents:
8819
diff
changeset
|
3597 if (AssumeMP && !UseSerialGC) { |
|
1b90c7607451
2178143: JVM crashes if the number of bound CPUs changed during runtime
minqi
parents:
8819
diff
changeset
|
3598 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
|
3599 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
|
3600 " 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
|
3601 " using -XX:ParallelGCThreads=N"); |
|
1b90c7607451
2178143: JVM crashes if the number of bound CPUs changed during runtime
minqi
parents:
8819
diff
changeset
|
3602 } |
|
1b90c7607451
2178143: JVM crashes if the number of bound CPUs changed during runtime
minqi
parents:
8819
diff
changeset
|
3603 } |
|
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
3604 #else // INCLUDE_ALL_GCS |
| 0 | 3605 assert(verify_serial_gc_flags(), "SerialGC unset"); |
|
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
3606 #endif // INCLUDE_ALL_GCS |
| 0 | 3607 |
| 3608 // Set bytecode rewriting flags | |
| 3609 set_bytecode_flags(); | |
| 3610 | |
| 3611 // Set flags if Aggressive optimization flags (-XX:+AggressiveOpts) enabled. | |
| 3612 set_aggressive_opts_flags(); | |
| 3613 | |
|
2239
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3614 // Turn off biased locking for locking debug mode flags, |
|
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3615 // 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
|
3616 // biased locking. |
| 2331 | 3617 if (UseHeavyMonitors |
| 3618 #ifdef COMPILER1 | |
| 3619 || !UseFastLocking | |
| 3620 #endif // COMPILER1 | |
| 3621 ) { | |
|
2239
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3622 if (!FLAG_IS_DEFAULT(UseBiasedLocking) && UseBiasedLocking) { |
|
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3623 // 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
|
3624 // can't enable biased locking here |
|
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3625 warning("Biased Locking is not supported with locking debug flags" |
|
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3626 "; ignoring UseBiasedLocking flag." ); |
|
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3627 } |
|
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3628 UseBiasedLocking = false; |
|
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3629 } |
|
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3630 |
| 0 | 3631 #ifdef CC_INTERP |
| 1131 | 3632 // Clear flags not supported by the C++ interpreter |
| 3633 FLAG_SET_DEFAULT(ProfileInterpreter, false); | |
| 0 | 3634 FLAG_SET_DEFAULT(UseBiasedLocking, false); |
| 1131 | 3635 LP64_ONLY(FLAG_SET_DEFAULT(UseCompressedOops, false)); |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3636 LP64_ONLY(FLAG_SET_DEFAULT(UseCompressedKlassPointers, false)); |
| 1131 | 3637 #endif // CC_INTERP |
| 3638 | |
|
420
a1980da045cc
6462850: generate biased locking code in C2 ideal graph
kvn
parents:
416
diff
changeset
|
3639 #ifdef COMPILER2 |
|
a1980da045cc
6462850: generate biased locking code in C2 ideal graph
kvn
parents:
416
diff
changeset
|
3640 if (!UseBiasedLocking || EmitSync != 0) { |
|
a1980da045cc
6462850: generate biased locking code in C2 ideal graph
kvn
parents:
416
diff
changeset
|
3641 UseOptoBiasInlining = false; |
|
a1980da045cc
6462850: generate biased locking code in C2 ideal graph
kvn
parents:
416
diff
changeset
|
3642 } |
| 4777 | 3643 if (!EliminateLocks) { |
| 3644 EliminateNestedLocks = false; | |
| 3645 } | |
| 7473 | 3646 if (!Inline) { |
| 3647 IncrementalInline = false; | |
| 3648 } | |
| 3649 #ifndef PRODUCT | |
| 3650 if (!IncrementalInline) { | |
| 3651 AlwaysIncrementalInline = false; | |
| 3652 } | |
| 3653 #endif | |
| 3654 if (IncrementalInline && FLAG_IS_DEFAULT(MaxNodeLimit)) { | |
| 3655 // incremental inlining: bump MaxNodeLimit | |
| 3656 FLAG_SET_DEFAULT(MaxNodeLimit, (intx)75000); | |
| 3657 } | |
|
420
a1980da045cc
6462850: generate biased locking code in C2 ideal graph
kvn
parents:
416
diff
changeset
|
3658 #endif |
|
a1980da045cc
6462850: generate biased locking code in C2 ideal graph
kvn
parents:
416
diff
changeset
|
3659 |
|
1155
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1150
diff
changeset
|
3660 if (PrintAssembly && FLAG_IS_DEFAULT(DebugNonSafepoints)) { |
|
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1150
diff
changeset
|
3661 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
|
3662 DebugNonSafepoints = true; |
|
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1150
diff
changeset
|
3663 } |
|
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1150
diff
changeset
|
3664 |
|
1188
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
3665 #ifndef PRODUCT |
|
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
3666 if (CompileTheWorld) { |
|
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
3667 // 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
|
3668 if (FLAG_IS_DEFAULT(NmethodSweepFraction)) { |
|
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
3669 NmethodSweepFraction = 1; |
|
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
3670 } |
|
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
3671 } |
|
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
3672 #endif |
|
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
3673 |
| 0 | 3674 if (PrintCommandLineFlags) { |
| 4773 | 3675 CommandLineFlags::printSetFlags(tty); |
| 0 | 3676 } |
| 3677 | |
|
1681
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3678 // Apply CPU specific policy for the BiasedLocking |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3679 if (UseBiasedLocking) { |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3680 if (!VM_Version::use_biased_locking() && |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3681 !(FLAG_IS_CMDLINE(UseBiasedLocking))) { |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3682 UseBiasedLocking = false; |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3683 } |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3684 } |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3685 |
|
2302
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
3686 // 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
|
3687 // 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
|
3688 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
|
3689 bool set = false; |
|
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
3690 CommandLineFlags::wasSetOnCmdline("PauseAtExit", &set); |
|
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
3691 if (!set) { |
|
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
3692 FLAG_SET_DEFAULT(PauseAtExit, true); |
|
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
3693 } |
|
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
3694 } |
|
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
3695 |
| 0 | 3696 return JNI_OK; |
| 3697 } | |
| 3698 | |
|
7177
53715fb1597d
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
6982
diff
changeset
|
3699 jint Arguments::adjust_after_os() { |
|
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
3700 #if INCLUDE_ALL_GCS |
|
7177
53715fb1597d
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
6982
diff
changeset
|
3701 if (UseParallelGC || UseParallelOldGC) { |
|
53715fb1597d
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
6982
diff
changeset
|
3702 if (UseNUMA) { |
|
53715fb1597d
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
6982
diff
changeset
|
3703 if (FLAG_IS_DEFAULT(MinHeapDeltaBytes)) { |
|
53715fb1597d
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
6982
diff
changeset
|
3704 FLAG_SET_DEFAULT(MinHeapDeltaBytes, 64*M); |
|
53715fb1597d
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
6982
diff
changeset
|
3705 } |
|
53715fb1597d
7198334: UseNUMA modifies system parameters on non-NUMA system
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3706 // For those collectors or operating systems (eg, Windows) that do |
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53715fb1597d
7198334: UseNUMA modifies system parameters on non-NUMA system
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diff
changeset
|
3707 // not support full UseNUMA, we will map to UseNUMAInterleaving for now |
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53715fb1597d
7198334: UseNUMA modifies system parameters on non-NUMA system
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diff
changeset
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3708 UseNUMAInterleaving = true; |
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53715fb1597d
7198334: UseNUMA modifies system parameters on non-NUMA system
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3709 } |
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53715fb1597d
7198334: UseNUMA modifies system parameters on non-NUMA system
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3710 } |
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8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
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3711 #endif // INCLUDE_ALL_GCS |
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7177
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7198334: UseNUMA modifies system parameters on non-NUMA system
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3712 return JNI_OK; |
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53715fb1597d
7198334: UseNUMA modifies system parameters on non-NUMA system
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|
3713 } |
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53715fb1597d
7198334: UseNUMA modifies system parameters on non-NUMA system
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|
3714 |
| 0 | 3715 int Arguments::PropertyList_count(SystemProperty* pl) { |
| 3716 int count = 0; | |
| 3717 while(pl != NULL) { | |
| 3718 count++; | |
| 3719 pl = pl->next(); | |
| 3720 } | |
| 3721 return count; | |
| 3722 } | |
| 3723 | |
| 3724 const char* Arguments::PropertyList_get_value(SystemProperty *pl, const char* key) { | |
| 3725 assert(key != NULL, "just checking"); | |
| 3726 SystemProperty* prop; | |
| 3727 for (prop = pl; prop != NULL; prop = prop->next()) { | |
| 3728 if (strcmp(key, prop->key()) == 0) return prop->value(); | |
| 3729 } | |
| 3730 return NULL; | |
| 3731 } | |
| 3732 | |
| 3733 const char* Arguments::PropertyList_get_key_at(SystemProperty *pl, int index) { | |
| 3734 int count = 0; | |
| 3735 const char* ret_val = NULL; | |
| 3736 | |
| 3737 while(pl != NULL) { | |
| 3738 if(count >= index) { | |
| 3739 ret_val = pl->key(); | |
| 3740 break; | |
| 3741 } | |
| 3742 count++; | |
| 3743 pl = pl->next(); | |
| 3744 } | |
| 3745 | |
| 3746 return ret_val; | |
| 3747 } | |
| 3748 | |
| 3749 char* Arguments::PropertyList_get_value_at(SystemProperty* pl, int index) { | |
| 3750 int count = 0; | |
| 3751 char* ret_val = NULL; | |
| 3752 | |
| 3753 while(pl != NULL) { | |
| 3754 if(count >= index) { | |
| 3755 ret_val = pl->value(); | |
| 3756 break; | |
| 3757 } | |
| 3758 count++; | |
| 3759 pl = pl->next(); | |
| 3760 } | |
| 3761 | |
| 3762 return ret_val; | |
| 3763 } | |
| 3764 | |
| 3765 void Arguments::PropertyList_add(SystemProperty** plist, SystemProperty *new_p) { | |
| 3766 SystemProperty* p = *plist; | |
| 3767 if (p == NULL) { | |
| 3768 *plist = new_p; | |
| 3769 } else { | |
| 3770 while (p->next() != NULL) { | |
| 3771 p = p->next(); | |
| 3772 } | |
| 3773 p->set_next(new_p); | |
| 3774 } | |
| 3775 } | |
| 3776 | |
| 3777 void Arguments::PropertyList_add(SystemProperty** plist, const char* k, char* v) { | |
| 3778 if (plist == NULL) | |
| 3779 return; | |
| 3780 | |
| 3781 SystemProperty* new_p = new SystemProperty(k, v, true); | |
| 3782 PropertyList_add(plist, new_p); | |
| 3783 } | |
| 3784 | |
| 3785 // This add maintains unique property key in the list. | |
| 691 | 3786 void Arguments::PropertyList_unique_add(SystemProperty** plist, const char* k, char* v, jboolean append) { |
| 0 | 3787 if (plist == NULL) |
| 3788 return; | |
| 3789 | |
| 3790 // If property key exist then update with new value. | |
| 3791 SystemProperty* prop; | |
| 3792 for (prop = *plist; prop != NULL; prop = prop->next()) { | |
| 3793 if (strcmp(k, prop->key()) == 0) { | |
| 691 | 3794 if (append) { |
| 3795 prop->append_value(v); | |
| 3796 } else { | |
| 3797 prop->set_value(v); | |
| 3798 } | |
| 0 | 3799 return; |
| 3800 } | |
| 3801 } | |
| 3802 | |
| 3803 PropertyList_add(plist, k, v); | |
| 3804 } | |
| 3805 | |
| 3806 // Copies src into buf, replacing "%%" with "%" and "%p" with pid | |
| 3807 // Returns true if all of the source pointed by src has been copied over to | |
| 3808 // the destination buffer pointed by buf. Otherwise, returns false. | |
| 3809 // Notes: | |
| 3810 // 1. If the length (buflen) of the destination buffer excluding the | |
| 3811 // NULL terminator character is not long enough for holding the expanded | |
| 3812 // pid characters, it also returns false instead of returning the partially | |
| 3813 // expanded one. | |
| 3814 // 2. The passed in "buflen" should be large enough to hold the null terminator. | |
| 3815 bool Arguments::copy_expand_pid(const char* src, size_t srclen, | |
| 3816 char* buf, size_t buflen) { | |
| 3817 const char* p = src; | |
| 3818 char* b = buf; | |
| 3819 const char* src_end = &src[srclen]; | |
| 3820 char* buf_end = &buf[buflen - 1]; | |
| 3821 | |
| 3822 while (p < src_end && b < buf_end) { | |
| 3823 if (*p == '%') { | |
| 3824 switch (*(++p)) { | |
| 3825 case '%': // "%%" ==> "%" | |
| 3826 *b++ = *p++; | |
| 3827 break; | |
| 3828 case 'p': { // "%p" ==> current process id | |
| 3829 // buf_end points to the character before the last character so | |
| 3830 // that we could write '\0' to the end of the buffer. | |
| 3831 size_t buf_sz = buf_end - b + 1; | |
| 3832 int ret = jio_snprintf(b, buf_sz, "%d", os::current_process_id()); | |
| 3833 | |
| 3834 // if jio_snprintf fails or the buffer is not long enough to hold | |
| 3835 // the expanded pid, returns false. | |
| 3836 if (ret < 0 || ret >= (int)buf_sz) { | |
| 3837 return false; | |
| 3838 } else { | |
| 3839 b += ret; | |
| 3840 assert(*b == '\0', "fail in copy_expand_pid"); | |
| 3841 if (p == src_end && b == buf_end + 1) { | |
| 3842 // reach the end of the buffer. | |
| 3843 return true; | |
| 3844 } | |
| 3845 } | |
| 3846 p++; | |
| 3847 break; | |
| 3848 } | |
| 3849 default : | |
| 3850 *b++ = '%'; | |
| 3851 } | |
| 3852 } else { | |
| 3853 *b++ = *p++; | |
| 3854 } | |
| 3855 } | |
| 3856 *b = '\0'; | |
| 3857 return (p == src_end); // return false if not all of the source was copied | |
| 3858 } |