Mercurial > hg > truffle
annotate src/share/vm/runtime/arguments.cpp @ 20463:ed3d653e4012
8055289: Internal Error: mallocTracker.cpp:146 fatal error: Should not use malloc for big memory block, use virtual memory instead
Summary: Return NULL if memory allocation size is bigger than MAX_MALLOC_SIZE when NMT is on
Reviewed-by: coleenp, gtriantafill
author | zgu |
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date | Thu, 04 Sep 2014 14:50:31 -0400 |
parents | 76af788b6c16 |
children | 8ba0078861d4 8cb56c8cb30d |
rev | line source |
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0 | 1 /* |
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2 * Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved. |
0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
4 * | |
5 * This code is free software; you can redistribute it and/or modify it | |
6 * under the terms of the GNU General Public License version 2 only, as | |
7 * published by the Free Software Foundation. | |
8 * | |
9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
12 * version 2 for more details (a copy is included in the LICENSE file that | |
13 * accompanied this code). | |
14 * | |
15 * You should have received a copy of the GNU General Public License version | |
16 * 2 along with this work; if not, write to the Free Software Foundation, | |
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
18 * | |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
0 | 22 * |
23 */ | |
24 | |
1972 | 25 #include "precompiled.hpp" |
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26 #include "classfile/classLoader.hpp" |
1972 | 27 #include "classfile/javaAssertions.hpp" |
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28 #include "classfile/symbolTable.hpp" |
1972 | 29 #include "compiler/compilerOracle.hpp" |
30 #include "memory/allocation.inline.hpp" | |
31 #include "memory/cardTableRS.hpp" | |
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32 #include "memory/genCollectedHeap.hpp" |
1972 | 33 #include "memory/referenceProcessor.hpp" |
34 #include "memory/universe.inline.hpp" | |
35 #include "oops/oop.inline.hpp" | |
36 #include "prims/jvmtiExport.hpp" | |
37 #include "runtime/arguments.hpp" | |
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38 #include "runtime/arguments_ext.hpp" |
1972 | 39 #include "runtime/globals_extension.hpp" |
40 #include "runtime/java.hpp" | |
41 #include "services/management.hpp" | |
6197 | 42 #include "services/memTracker.hpp" |
1972 | 43 #include "utilities/defaultStream.hpp" |
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44 #include "utilities/macros.hpp" |
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45 #include "utilities/stringUtils.hpp" |
1972 | 46 #include "utilities/taskqueue.hpp" |
47 #ifdef TARGET_OS_FAMILY_linux | |
48 # include "os_linux.inline.hpp" | |
49 #endif | |
50 #ifdef TARGET_OS_FAMILY_solaris | |
51 # include "os_solaris.inline.hpp" | |
52 #endif | |
53 #ifdef TARGET_OS_FAMILY_windows | |
54 # include "os_windows.inline.hpp" | |
55 #endif | |
14411 | 56 #ifdef TARGET_OS_FAMILY_aix |
57 # include "os_aix.inline.hpp" | |
58 #endif | |
3960 | 59 #ifdef TARGET_OS_FAMILY_bsd |
60 # include "os_bsd.inline.hpp" | |
61 #endif | |
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62 #if INCLUDE_ALL_GCS |
1972 | 63 #include "gc_implementation/concurrentMarkSweep/compactibleFreeListSpace.hpp" |
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64 #include "gc_implementation/g1/g1CollectedHeap.inline.hpp" |
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65 #include "gc_implementation/parallelScavenge/parallelScavengeHeap.hpp" |
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66 #endif // INCLUDE_ALL_GCS |
0 | 67 |
2474 | 68 // Note: This is a special bug reporting site for the JVM |
69 #define DEFAULT_VENDOR_URL_BUG "http://bugreport.sun.com/bugreport/crash.jsp" | |
0 | 70 #define DEFAULT_JAVA_LAUNCHER "generic" |
71 | |
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72 // Disable options not supported in this release, with a warning if they |
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73 // were explicitly requested on the command-line |
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74 #define UNSUPPORTED_OPTION(opt, description) \ |
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75 do { \ |
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76 if (opt) { \ |
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77 if (FLAG_IS_CMDLINE(opt)) { \ |
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78 warning(description " is disabled in this release."); \ |
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79 } \ |
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80 FLAG_SET_DEFAULT(opt, false); \ |
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81 } \ |
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82 } while(0) |
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83 |
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84 #define UNSUPPORTED_GC_OPTION(gc) \ |
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85 do { \ |
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86 if (gc) { \ |
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87 if (FLAG_IS_CMDLINE(gc)) { \ |
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88 warning(#gc " is not supported in this VM. Using Serial GC."); \ |
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89 } \ |
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90 FLAG_SET_DEFAULT(gc, false); \ |
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91 } \ |
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92 } while(0) |
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93 |
0 | 94 char** Arguments::_jvm_flags_array = NULL; |
95 int Arguments::_num_jvm_flags = 0; | |
96 char** Arguments::_jvm_args_array = NULL; | |
97 int Arguments::_num_jvm_args = 0; | |
98 char* Arguments::_java_command = NULL; | |
99 SystemProperty* Arguments::_system_properties = NULL; | |
100 const char* Arguments::_gc_log_filename = NULL; | |
101 bool Arguments::_has_profile = false; | |
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102 size_t Arguments::_conservative_max_heap_alignment = 0; |
0 | 103 uintx Arguments::_min_heap_size = 0; |
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104 uintx Arguments::_min_heap_free_ratio = 0; |
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105 uintx Arguments::_max_heap_free_ratio = 0; |
0 | 106 Arguments::Mode Arguments::_mode = _mixed; |
107 bool Arguments::_java_compiler = false; | |
108 bool Arguments::_xdebug_mode = false; | |
109 const char* Arguments::_java_vendor_url_bug = DEFAULT_VENDOR_URL_BUG; | |
110 const char* Arguments::_sun_java_launcher = DEFAULT_JAVA_LAUNCHER; | |
111 int Arguments::_sun_java_launcher_pid = -1; | |
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112 bool Arguments::_created_by_gamma_launcher = false; |
0 | 113 |
114 // These parameters are reset in method parse_vm_init_args(JavaVMInitArgs*) | |
115 bool Arguments::_AlwaysCompileLoopMethods = AlwaysCompileLoopMethods; | |
116 bool Arguments::_UseOnStackReplacement = UseOnStackReplacement; | |
117 bool Arguments::_BackgroundCompilation = BackgroundCompilation; | |
118 bool Arguments::_ClipInlining = ClipInlining; | |
119 | |
120 char* Arguments::SharedArchivePath = NULL; | |
121 | |
122 AgentLibraryList Arguments::_libraryList; | |
123 AgentLibraryList Arguments::_agentList; | |
124 | |
125 abort_hook_t Arguments::_abort_hook = NULL; | |
126 exit_hook_t Arguments::_exit_hook = NULL; | |
127 vfprintf_hook_t Arguments::_vfprintf_hook = NULL; | |
128 | |
129 | |
130 SystemProperty *Arguments::_java_ext_dirs = NULL; | |
131 SystemProperty *Arguments::_java_endorsed_dirs = NULL; | |
132 SystemProperty *Arguments::_sun_boot_library_path = NULL; | |
133 SystemProperty *Arguments::_java_library_path = NULL; | |
134 SystemProperty *Arguments::_java_home = NULL; | |
135 SystemProperty *Arguments::_java_class_path = NULL; | |
136 SystemProperty *Arguments::_sun_boot_class_path = NULL; | |
137 | |
138 char* Arguments::_meta_index_path = NULL; | |
139 char* Arguments::_meta_index_dir = NULL; | |
140 | |
141 // Check if head of 'option' matches 'name', and sets 'tail' remaining part of option string | |
142 | |
143 static bool match_option(const JavaVMOption *option, const char* name, | |
144 const char** tail) { | |
145 int len = (int)strlen(name); | |
146 if (strncmp(option->optionString, name, len) == 0) { | |
147 *tail = option->optionString + len; | |
148 return true; | |
149 } else { | |
150 return false; | |
151 } | |
152 } | |
153 | |
154 static void logOption(const char* opt) { | |
155 if (PrintVMOptions) { | |
156 jio_fprintf(defaultStream::output_stream(), "VM option '%s'\n", opt); | |
157 } | |
158 } | |
159 | |
160 // Process java launcher properties. | |
161 void Arguments::process_sun_java_launcher_properties(JavaVMInitArgs* args) { | |
162 // See if sun.java.launcher or sun.java.launcher.pid is defined. | |
163 // Must do this before setting up other system properties, | |
164 // as some of them may depend on launcher type. | |
165 for (int index = 0; index < args->nOptions; index++) { | |
166 const JavaVMOption* option = args->options + index; | |
167 const char* tail; | |
168 | |
169 if (match_option(option, "-Dsun.java.launcher=", &tail)) { | |
170 process_java_launcher_argument(tail, option->extraInfo); | |
171 continue; | |
172 } | |
173 if (match_option(option, "-Dsun.java.launcher.pid=", &tail)) { | |
174 _sun_java_launcher_pid = atoi(tail); | |
175 continue; | |
176 } | |
177 } | |
178 } | |
179 | |
180 // Initialize system properties key and value. | |
181 void Arguments::init_system_properties() { | |
182 | |
183 PropertyList_add(&_system_properties, new SystemProperty("java.vm.specification.name", | |
184 "Java Virtual Machine Specification", false)); | |
185 PropertyList_add(&_system_properties, new SystemProperty("java.vm.version", VM_Version::vm_release(), false)); | |
186 PropertyList_add(&_system_properties, new SystemProperty("java.vm.name", VM_Version::vm_name(), false)); | |
187 PropertyList_add(&_system_properties, new SystemProperty("java.vm.info", VM_Version::vm_info_string(), true)); | |
188 | |
189 // following are JVMTI agent writeable properties. | |
190 // Properties values are set to NULL and they are | |
191 // os specific they are initialized in os::init_system_properties_values(). | |
192 _java_ext_dirs = new SystemProperty("java.ext.dirs", NULL, true); | |
193 _java_endorsed_dirs = new SystemProperty("java.endorsed.dirs", NULL, true); | |
194 _sun_boot_library_path = new SystemProperty("sun.boot.library.path", NULL, true); | |
195 _java_library_path = new SystemProperty("java.library.path", NULL, true); | |
196 _java_home = new SystemProperty("java.home", NULL, true); | |
197 _sun_boot_class_path = new SystemProperty("sun.boot.class.path", NULL, true); | |
198 | |
199 _java_class_path = new SystemProperty("java.class.path", "", true); | |
200 | |
201 // Add to System Property list. | |
202 PropertyList_add(&_system_properties, _java_ext_dirs); | |
203 PropertyList_add(&_system_properties, _java_endorsed_dirs); | |
204 PropertyList_add(&_system_properties, _sun_boot_library_path); | |
205 PropertyList_add(&_system_properties, _java_library_path); | |
206 PropertyList_add(&_system_properties, _java_home); | |
207 PropertyList_add(&_system_properties, _java_class_path); | |
208 PropertyList_add(&_system_properties, _sun_boot_class_path); | |
209 | |
210 // Set OS specific system properties values | |
211 os::init_system_properties_values(); | |
212 } | |
213 | |
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214 |
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215 // Update/Initialize System properties after JDK version number is known |
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216 void Arguments::init_version_specific_system_properties() { |
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217 enum { bufsz = 16 }; |
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218 char buffer[bufsz]; |
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219 const char* spec_vendor = "Sun Microsystems Inc."; |
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220 uint32_t spec_version = 0; |
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221 |
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222 if (JDK_Version::is_gte_jdk17x_version()) { |
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223 spec_vendor = "Oracle Corporation"; |
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224 spec_version = JDK_Version::current().major_version(); |
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225 } |
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226 jio_snprintf(buffer, bufsz, "1." UINT32_FORMAT, spec_version); |
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227 |
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228 PropertyList_add(&_system_properties, |
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229 new SystemProperty("java.vm.specification.vendor", spec_vendor, false)); |
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230 PropertyList_add(&_system_properties, |
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231 new SystemProperty("java.vm.specification.version", buffer, false)); |
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232 PropertyList_add(&_system_properties, |
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233 new SystemProperty("java.vm.vendor", VM_Version::vm_vendor(), false)); |
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234 } |
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235 |
242 | 236 /** |
237 * Provide a slightly more user-friendly way of eliminating -XX flags. | |
238 * When a flag is eliminated, it can be added to this list in order to | |
239 * continue accepting this flag on the command-line, while issuing a warning | |
240 * and ignoring the value. Once the JDK version reaches the 'accept_until' | |
241 * limit, we flatly refuse to admit the existence of the flag. This allows | |
242 * a flag to die correctly over JDK releases using HSX. | |
243 */ | |
244 typedef struct { | |
245 const char* name; | |
246 JDK_Version obsoleted_in; // when the flag went away | |
247 JDK_Version accept_until; // which version to start denying the existence | |
248 } ObsoleteFlag; | |
0 | 249 |
242 | 250 static ObsoleteFlag obsolete_jvm_flags[] = { |
251 { "UseTrainGC", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
252 { "UseSpecialLargeObjectHandling", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
253 { "UseOversizedCarHandling", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
254 { "TraceCarAllocation", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
255 { "PrintTrainGCProcessingStats", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
256 { "LogOfCarSpaceSize", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
257 { "OversizedCarThreshold", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
258 { "MinTickInterval", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
259 { "DefaultTickInterval", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
260 { "MaxTickInterval", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
261 { "DelayTickAdjustment", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
262 { "ProcessingToTenuringRatio", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
263 { "MinTrainLength", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
264 { "AppendRatio", JDK_Version::jdk_update(6,10), JDK_Version::jdk(7) }, | |
1064 | 265 { "DefaultMaxRAM", JDK_Version::jdk_update(6,18), JDK_Version::jdk(7) }, |
266 { "DefaultInitialRAMFraction", | |
267 JDK_Version::jdk_update(6,18), JDK_Version::jdk(7) }, | |
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268 { "UseDepthFirstScavengeOrder", |
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269 JDK_Version::jdk_update(6,22), JDK_Version::jdk(7) }, |
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270 { "HandlePromotionFailure", |
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271 JDK_Version::jdk_update(6,24), JDK_Version::jdk(8) }, |
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272 { "MaxLiveObjectEvacuationRatio", |
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273 JDK_Version::jdk_update(6,24), JDK_Version::jdk(8) }, |
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274 { "ForceSharedSpaces", JDK_Version::jdk_update(6,25), JDK_Version::jdk(8) }, |
3251
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275 { "UseParallelOldGCCompacting", |
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276 JDK_Version::jdk_update(6,27), JDK_Version::jdk(8) }, |
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277 { "UseParallelDensePrefixUpdate", |
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278 JDK_Version::jdk_update(6,27), JDK_Version::jdk(8) }, |
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279 { "UseParallelOldGCDensePrefix", |
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280 JDK_Version::jdk_update(6,27), JDK_Version::jdk(8) }, |
2460 | 281 { "AllowTransitionalJSR292", JDK_Version::jdk(7), JDK_Version::jdk(8) }, |
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282 { "UseCompressedStrings", JDK_Version::jdk(7), JDK_Version::jdk(8) }, |
6725
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283 { "CMSPermGenPrecleaningEnabled", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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284 { "CMSTriggerPermRatio", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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285 { "CMSInitiatingPermOccupancyFraction", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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286 { "AdaptivePermSizeWeight", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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287 { "PermGenPadding", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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288 { "PermMarkSweepDeadRatio", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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289 { "PermSize", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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290 { "MaxPermSize", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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291 { "MinPermHeapExpansion", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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292 { "MaxPermHeapExpansion", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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293 { "CMSRevisitStackSize", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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294 { "PrintRevisitStats", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
6916 | 295 { "UseVectoredExceptions", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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296 { "UseSplitVerifier", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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297 { "UseISM", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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298 { "UsePermISM", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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299 { "UseMPSS", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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300 { "UseStringCache", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
17672 | 301 { "UseOldInlining", JDK_Version::jdk(9), JDK_Version::jdk(10) }, |
20360 | 302 { "AutoShutdownNMT", JDK_Version::jdk(9), JDK_Version::jdk(10) }, |
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303 #ifdef PRODUCT |
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304 { "DesiredMethodLimit", |
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305 JDK_Version::jdk_update(7, 2), JDK_Version::jdk(8) }, |
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306 #endif // PRODUCT |
242 | 307 { NULL, JDK_Version(0), JDK_Version(0) } |
308 }; | |
309 | |
310 // Returns true if the flag is obsolete and fits into the range specified | |
311 // for being ignored. In the case that the flag is ignored, the 'version' | |
312 // value is filled in with the version number when the flag became | |
313 // obsolete so that that value can be displayed to the user. | |
314 bool Arguments::is_newly_obsolete(const char *s, JDK_Version* version) { | |
0 | 315 int i = 0; |
242 | 316 assert(version != NULL, "Must provide a version buffer"); |
317 while (obsolete_jvm_flags[i].name != NULL) { | |
318 const ObsoleteFlag& flag_status = obsolete_jvm_flags[i]; | |
0 | 319 // <flag>=xxx form |
320 // [-|+]<flag> form | |
242 | 321 if ((strncmp(flag_status.name, s, strlen(flag_status.name)) == 0) || |
0 | 322 ((s[0] == '+' || s[0] == '-') && |
242 | 323 (strncmp(flag_status.name, &s[1], strlen(flag_status.name)) == 0))) { |
324 if (JDK_Version::current().compare(flag_status.accept_until) == -1) { | |
325 *version = flag_status.obsoleted_in; | |
326 return true; | |
327 } | |
0 | 328 } |
329 i++; | |
330 } | |
331 return false; | |
332 } | |
333 | |
334 // Constructs the system class path (aka boot class path) from the following | |
335 // components, in order: | |
336 // | |
337 // prefix // from -Xbootclasspath/p:... | |
338 // endorsed // the expansion of -Djava.endorsed.dirs=... | |
339 // base // from os::get_system_properties() or -Xbootclasspath= | |
340 // suffix // from -Xbootclasspath/a:... | |
341 // | |
342 // java.endorsed.dirs is a list of directories; any jar or zip files in the | |
343 // directories are added to the sysclasspath just before the base. | |
344 // | |
345 // This could be AllStatic, but it isn't needed after argument processing is | |
346 // complete. | |
347 class SysClassPath: public StackObj { | |
348 public: | |
349 SysClassPath(const char* base); | |
350 ~SysClassPath(); | |
351 | |
352 inline void set_base(const char* base); | |
353 inline void add_prefix(const char* prefix); | |
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354 inline void add_suffix_to_prefix(const char* suffix); |
0 | 355 inline void add_suffix(const char* suffix); |
356 inline void reset_path(const char* base); | |
357 | |
358 // Expand the jar/zip files in each directory listed by the java.endorsed.dirs | |
359 // property. Must be called after all command-line arguments have been | |
360 // processed (in particular, -Djava.endorsed.dirs=...) and before calling | |
361 // combined_path(). | |
362 void expand_endorsed(); | |
363 | |
364 inline const char* get_base() const { return _items[_scp_base]; } | |
365 inline const char* get_prefix() const { return _items[_scp_prefix]; } | |
366 inline const char* get_suffix() const { return _items[_scp_suffix]; } | |
367 inline const char* get_endorsed() const { return _items[_scp_endorsed]; } | |
368 | |
369 // Combine all the components into a single c-heap-allocated string; caller | |
370 // must free the string if/when no longer needed. | |
371 char* combined_path(); | |
372 | |
373 private: | |
374 // Utility routines. | |
375 static char* add_to_path(const char* path, const char* str, bool prepend); | |
376 static char* add_jars_to_path(char* path, const char* directory); | |
377 | |
378 inline void reset_item_at(int index); | |
379 | |
380 // Array indices for the items that make up the sysclasspath. All except the | |
381 // base are allocated in the C heap and freed by this class. | |
382 enum { | |
383 _scp_prefix, // from -Xbootclasspath/p:... | |
384 _scp_endorsed, // the expansion of -Djava.endorsed.dirs=... | |
385 _scp_base, // the default sysclasspath | |
386 _scp_suffix, // from -Xbootclasspath/a:... | |
387 _scp_nitems // the number of items, must be last. | |
388 }; | |
389 | |
390 const char* _items[_scp_nitems]; | |
391 DEBUG_ONLY(bool _expansion_done;) | |
392 }; | |
393 | |
394 SysClassPath::SysClassPath(const char* base) { | |
395 memset(_items, 0, sizeof(_items)); | |
396 _items[_scp_base] = base; | |
397 DEBUG_ONLY(_expansion_done = false;) | |
398 } | |
399 | |
400 SysClassPath::~SysClassPath() { | |
401 // Free everything except the base. | |
402 for (int i = 0; i < _scp_nitems; ++i) { | |
403 if (i != _scp_base) reset_item_at(i); | |
404 } | |
405 DEBUG_ONLY(_expansion_done = false;) | |
406 } | |
407 | |
408 inline void SysClassPath::set_base(const char* base) { | |
409 _items[_scp_base] = base; | |
410 } | |
411 | |
412 inline void SysClassPath::add_prefix(const char* prefix) { | |
413 _items[_scp_prefix] = add_to_path(_items[_scp_prefix], prefix, true); | |
414 } | |
415 | |
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416 inline void SysClassPath::add_suffix_to_prefix(const char* suffix) { |
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417 _items[_scp_prefix] = add_to_path(_items[_scp_prefix], suffix, false); |
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418 } |
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419 |
0 | 420 inline void SysClassPath::add_suffix(const char* suffix) { |
421 _items[_scp_suffix] = add_to_path(_items[_scp_suffix], suffix, false); | |
422 } | |
423 | |
424 inline void SysClassPath::reset_item_at(int index) { | |
425 assert(index < _scp_nitems && index != _scp_base, "just checking"); | |
426 if (_items[index] != NULL) { | |
6197 | 427 FREE_C_HEAP_ARRAY(char, _items[index], mtInternal); |
0 | 428 _items[index] = NULL; |
429 } | |
430 } | |
431 | |
432 inline void SysClassPath::reset_path(const char* base) { | |
433 // Clear the prefix and suffix. | |
434 reset_item_at(_scp_prefix); | |
435 reset_item_at(_scp_suffix); | |
436 set_base(base); | |
437 } | |
438 | |
439 //------------------------------------------------------------------------------ | |
440 | |
441 void SysClassPath::expand_endorsed() { | |
442 assert(_items[_scp_endorsed] == NULL, "can only be called once."); | |
443 | |
444 const char* path = Arguments::get_property("java.endorsed.dirs"); | |
445 if (path == NULL) { | |
446 path = Arguments::get_endorsed_dir(); | |
447 assert(path != NULL, "no default for java.endorsed.dirs"); | |
448 } | |
449 | |
450 char* expanded_path = NULL; | |
451 const char separator = *os::path_separator(); | |
452 const char* const end = path + strlen(path); | |
453 while (path < end) { | |
454 const char* tmp_end = strchr(path, separator); | |
455 if (tmp_end == NULL) { | |
456 expanded_path = add_jars_to_path(expanded_path, path); | |
457 path = end; | |
458 } else { | |
6197 | 459 char* dirpath = NEW_C_HEAP_ARRAY(char, tmp_end - path + 1, mtInternal); |
0 | 460 memcpy(dirpath, path, tmp_end - path); |
461 dirpath[tmp_end - path] = '\0'; | |
462 expanded_path = add_jars_to_path(expanded_path, dirpath); | |
6197 | 463 FREE_C_HEAP_ARRAY(char, dirpath, mtInternal); |
0 | 464 path = tmp_end + 1; |
465 } | |
466 } | |
467 _items[_scp_endorsed] = expanded_path; | |
468 DEBUG_ONLY(_expansion_done = true;) | |
469 } | |
470 | |
471 // Combine the bootclasspath elements, some of which may be null, into a single | |
472 // c-heap-allocated string. | |
473 char* SysClassPath::combined_path() { | |
474 assert(_items[_scp_base] != NULL, "empty default sysclasspath"); | |
475 assert(_expansion_done, "must call expand_endorsed() first."); | |
476 | |
477 size_t lengths[_scp_nitems]; | |
478 size_t total_len = 0; | |
479 | |
480 const char separator = *os::path_separator(); | |
481 | |
482 // Get the lengths. | |
483 int i; | |
484 for (i = 0; i < _scp_nitems; ++i) { | |
485 if (_items[i] != NULL) { | |
486 lengths[i] = strlen(_items[i]); | |
487 // Include space for the separator char (or a NULL for the last item). | |
488 total_len += lengths[i] + 1; | |
489 } | |
490 } | |
491 assert(total_len > 0, "empty sysclasspath not allowed"); | |
492 | |
493 // Copy the _items to a single string. | |
6197 | 494 char* cp = NEW_C_HEAP_ARRAY(char, total_len, mtInternal); |
0 | 495 char* cp_tmp = cp; |
496 for (i = 0; i < _scp_nitems; ++i) { | |
497 if (_items[i] != NULL) { | |
498 memcpy(cp_tmp, _items[i], lengths[i]); | |
499 cp_tmp += lengths[i]; | |
500 *cp_tmp++ = separator; | |
501 } | |
502 } | |
503 *--cp_tmp = '\0'; // Replace the extra separator. | |
504 return cp; | |
505 } | |
506 | |
507 // Note: path must be c-heap-allocated (or NULL); it is freed if non-null. | |
508 char* | |
509 SysClassPath::add_to_path(const char* path, const char* str, bool prepend) { | |
510 char *cp; | |
511 | |
512 assert(str != NULL, "just checking"); | |
513 if (path == NULL) { | |
514 size_t len = strlen(str) + 1; | |
6197 | 515 cp = NEW_C_HEAP_ARRAY(char, len, mtInternal); |
0 | 516 memcpy(cp, str, len); // copy the trailing null |
517 } else { | |
518 const char separator = *os::path_separator(); | |
519 size_t old_len = strlen(path); | |
520 size_t str_len = strlen(str); | |
521 size_t len = old_len + str_len + 2; | |
522 | |
523 if (prepend) { | |
6197 | 524 cp = NEW_C_HEAP_ARRAY(char, len, mtInternal); |
0 | 525 char* cp_tmp = cp; |
526 memcpy(cp_tmp, str, str_len); | |
527 cp_tmp += str_len; | |
528 *cp_tmp = separator; | |
529 memcpy(++cp_tmp, path, old_len + 1); // copy the trailing null | |
6197 | 530 FREE_C_HEAP_ARRAY(char, path, mtInternal); |
0 | 531 } else { |
6197 | 532 cp = REALLOC_C_HEAP_ARRAY(char, path, len, mtInternal); |
0 | 533 char* cp_tmp = cp + old_len; |
534 *cp_tmp = separator; | |
535 memcpy(++cp_tmp, str, str_len + 1); // copy the trailing null | |
536 } | |
537 } | |
538 return cp; | |
539 } | |
540 | |
541 // Scan the directory and append any jar or zip files found to path. | |
542 // Note: path must be c-heap-allocated (or NULL); it is freed if non-null. | |
543 char* SysClassPath::add_jars_to_path(char* path, const char* directory) { | |
544 DIR* dir = os::opendir(directory); | |
545 if (dir == NULL) return path; | |
546 | |
547 char dir_sep[2] = { '\0', '\0' }; | |
548 size_t directory_len = strlen(directory); | |
549 const char fileSep = *os::file_separator(); | |
550 if (directory[directory_len - 1] != fileSep) dir_sep[0] = fileSep; | |
551 | |
552 /* Scan the directory for jars/zips, appending them to path. */ | |
553 struct dirent *entry; | |
6197 | 554 char *dbuf = NEW_C_HEAP_ARRAY(char, os::readdir_buf_size(directory), mtInternal); |
0 | 555 while ((entry = os::readdir(dir, (dirent *) dbuf)) != NULL) { |
556 const char* name = entry->d_name; | |
557 const char* ext = name + strlen(name) - 4; | |
558 bool isJarOrZip = ext > name && | |
559 (os::file_name_strcmp(ext, ".jar") == 0 || | |
560 os::file_name_strcmp(ext, ".zip") == 0); | |
561 if (isJarOrZip) { | |
6197 | 562 char* jarpath = NEW_C_HEAP_ARRAY(char, directory_len + 2 + strlen(name), mtInternal); |
0 | 563 sprintf(jarpath, "%s%s%s", directory, dir_sep, name); |
564 path = add_to_path(path, jarpath, false); | |
6197 | 565 FREE_C_HEAP_ARRAY(char, jarpath, mtInternal); |
0 | 566 } |
567 } | |
6197 | 568 FREE_C_HEAP_ARRAY(char, dbuf, mtInternal); |
0 | 569 os::closedir(dir); |
570 return path; | |
571 } | |
572 | |
573 // Parses a memory size specification string. | |
489
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574 static bool atomull(const char *s, julong* result) { |
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575 julong n = 0; |
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576 int args_read = sscanf(s, JULONG_FORMAT, &n); |
0 | 577 if (args_read != 1) { |
578 return false; | |
579 } | |
580 while (*s != '\0' && isdigit(*s)) { | |
581 s++; | |
582 } | |
583 // 4705540: illegal if more characters are found after the first non-digit | |
584 if (strlen(s) > 1) { | |
585 return false; | |
586 } | |
587 switch (*s) { | |
588 case 'T': case 't': | |
589 *result = n * G * K; | |
489
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590 // Check for overflow. |
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591 if (*result/((julong)G * K) != n) return false; |
0 | 592 return true; |
593 case 'G': case 'g': | |
594 *result = n * G; | |
489
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595 if (*result/G != n) return false; |
0 | 596 return true; |
597 case 'M': case 'm': | |
598 *result = n * M; | |
489
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599 if (*result/M != n) return false; |
0 | 600 return true; |
601 case 'K': case 'k': | |
602 *result = n * K; | |
489
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603 if (*result/K != n) return false; |
0 | 604 return true; |
605 case '\0': | |
606 *result = n; | |
607 return true; | |
608 default: | |
609 return false; | |
610 } | |
611 } | |
612 | |
489
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613 Arguments::ArgsRange Arguments::check_memory_size(julong size, julong min_size) { |
0 | 614 if (size < min_size) return arg_too_small; |
615 // Check that size will fit in a size_t (only relevant on 32-bit) | |
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616 if (size > max_uintx) return arg_too_big; |
0 | 617 return arg_in_range; |
618 } | |
619 | |
620 // Describe an argument out of range error | |
621 void Arguments::describe_range_error(ArgsRange errcode) { | |
622 switch(errcode) { | |
623 case arg_too_big: | |
624 jio_fprintf(defaultStream::error_stream(), | |
625 "The specified size exceeds the maximum " | |
626 "representable size.\n"); | |
627 break; | |
628 case arg_too_small: | |
629 case arg_unreadable: | |
630 case arg_in_range: | |
631 // do nothing for now | |
632 break; | |
633 default: | |
634 ShouldNotReachHere(); | |
635 } | |
636 } | |
637 | |
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638 static bool set_bool_flag(char* name, bool value, Flag::Flags origin) { |
0 | 639 return CommandLineFlags::boolAtPut(name, &value, origin); |
640 } | |
641 | |
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642 static bool set_fp_numeric_flag(char* name, char* value, Flag::Flags origin) { |
0 | 643 double v; |
644 if (sscanf(value, "%lf", &v) != 1) { | |
645 return false; | |
646 } | |
647 | |
648 if (CommandLineFlags::doubleAtPut(name, &v, origin)) { | |
649 return true; | |
650 } | |
651 return false; | |
652 } | |
653 | |
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654 static bool set_numeric_flag(char* name, char* value, Flag::Flags origin) { |
489
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655 julong v; |
0 | 656 intx intx_v; |
657 bool is_neg = false; | |
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658 // Check the sign first since atomull() parses only unsigned values. |
0 | 659 if (*value == '-') { |
660 if (!CommandLineFlags::intxAt(name, &intx_v)) { | |
661 return false; | |
662 } | |
663 value++; | |
664 is_neg = true; | |
665 } | |
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666 if (!atomull(value, &v)) { |
0 | 667 return false; |
668 } | |
669 intx_v = (intx) v; | |
670 if (is_neg) { | |
671 intx_v = -intx_v; | |
672 } | |
673 if (CommandLineFlags::intxAtPut(name, &intx_v, origin)) { | |
674 return true; | |
675 } | |
676 uintx uintx_v = (uintx) v; | |
677 if (!is_neg && CommandLineFlags::uintxAtPut(name, &uintx_v, origin)) { | |
678 return true; | |
679 } | |
1064 | 680 uint64_t uint64_t_v = (uint64_t) v; |
681 if (!is_neg && CommandLineFlags::uint64_tAtPut(name, &uint64_t_v, origin)) { | |
682 return true; | |
683 } | |
0 | 684 return false; |
685 } | |
686 | |
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687 static bool set_string_flag(char* name, const char* value, Flag::Flags origin) { |
0 | 688 if (!CommandLineFlags::ccstrAtPut(name, &value, origin)) return false; |
689 // Contract: CommandLineFlags always returns a pointer that needs freeing. | |
6197 | 690 FREE_C_HEAP_ARRAY(char, value, mtInternal); |
0 | 691 return true; |
692 } | |
693 | |
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694 static bool append_to_string_flag(char* name, const char* new_value, Flag::Flags origin) { |
0 | 695 const char* old_value = ""; |
696 if (!CommandLineFlags::ccstrAt(name, &old_value)) return false; | |
697 size_t old_len = old_value != NULL ? strlen(old_value) : 0; | |
698 size_t new_len = strlen(new_value); | |
699 const char* value; | |
700 char* free_this_too = NULL; | |
701 if (old_len == 0) { | |
702 value = new_value; | |
703 } else if (new_len == 0) { | |
704 value = old_value; | |
705 } else { | |
6197 | 706 char* buf = NEW_C_HEAP_ARRAY(char, old_len + 1 + new_len + 1, mtInternal); |
0 | 707 // each new setting adds another LINE to the switch: |
708 sprintf(buf, "%s\n%s", old_value, new_value); | |
709 value = buf; | |
710 free_this_too = buf; | |
711 } | |
712 (void) CommandLineFlags::ccstrAtPut(name, &value, origin); | |
713 // CommandLineFlags always returns a pointer that needs freeing. | |
6197 | 714 FREE_C_HEAP_ARRAY(char, value, mtInternal); |
0 | 715 if (free_this_too != NULL) { |
716 // CommandLineFlags made its own copy, so I must delete my own temp. buffer. | |
6197 | 717 FREE_C_HEAP_ARRAY(char, free_this_too, mtInternal); |
0 | 718 } |
719 return true; | |
720 } | |
721 | |
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722 bool Arguments::parse_argument(const char* arg, Flag::Flags origin) { |
0 | 723 |
724 // range of acceptable characters spelled out for portability reasons | |
725 #define NAME_RANGE "[abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_]" | |
726 #define BUFLEN 255 | |
727 char name[BUFLEN+1]; | |
728 char dummy; | |
729 | |
730 if (sscanf(arg, "-%" XSTR(BUFLEN) NAME_RANGE "%c", name, &dummy) == 1) { | |
731 return set_bool_flag(name, false, origin); | |
732 } | |
733 if (sscanf(arg, "+%" XSTR(BUFLEN) NAME_RANGE "%c", name, &dummy) == 1) { | |
734 return set_bool_flag(name, true, origin); | |
735 } | |
736 | |
737 char punct; | |
738 if (sscanf(arg, "%" XSTR(BUFLEN) NAME_RANGE "%c", name, &punct) == 2 && punct == '=') { | |
739 const char* value = strchr(arg, '=') + 1; | |
740 Flag* flag = Flag::find_flag(name, strlen(name)); | |
741 if (flag != NULL && flag->is_ccstr()) { | |
742 if (flag->ccstr_accumulates()) { | |
743 return append_to_string_flag(name, value, origin); | |
744 } else { | |
745 if (value[0] == '\0') { | |
746 value = NULL; | |
747 } | |
748 return set_string_flag(name, value, origin); | |
749 } | |
750 } | |
751 } | |
752 | |
753 if (sscanf(arg, "%" XSTR(BUFLEN) NAME_RANGE ":%c", name, &punct) == 2 && punct == '=') { | |
754 const char* value = strchr(arg, '=') + 1; | |
755 // -XX:Foo:=xxx will reset the string flag to the given value. | |
756 if (value[0] == '\0') { | |
757 value = NULL; | |
758 } | |
759 return set_string_flag(name, value, origin); | |
760 } | |
761 | |
762 #define SIGNED_FP_NUMBER_RANGE "[-0123456789.]" | |
763 #define SIGNED_NUMBER_RANGE "[-0123456789]" | |
764 #define NUMBER_RANGE "[0123456789]" | |
765 char value[BUFLEN + 1]; | |
766 char value2[BUFLEN + 1]; | |
767 if (sscanf(arg, "%" XSTR(BUFLEN) NAME_RANGE "=" "%" XSTR(BUFLEN) SIGNED_NUMBER_RANGE "." "%" XSTR(BUFLEN) NUMBER_RANGE "%c", name, value, value2, &dummy) == 3) { | |
768 // Looks like a floating-point number -- try again with more lenient format string | |
769 if (sscanf(arg, "%" XSTR(BUFLEN) NAME_RANGE "=" "%" XSTR(BUFLEN) SIGNED_FP_NUMBER_RANGE "%c", name, value, &dummy) == 2) { | |
770 return set_fp_numeric_flag(name, value, origin); | |
771 } | |
772 } | |
773 | |
774 #define VALUE_RANGE "[-kmgtKMGT0123456789]" | |
775 if (sscanf(arg, "%" XSTR(BUFLEN) NAME_RANGE "=" "%" XSTR(BUFLEN) VALUE_RANGE "%c", name, value, &dummy) == 2) { | |
776 return set_numeric_flag(name, value, origin); | |
777 } | |
778 | |
779 return false; | |
780 } | |
781 | |
782 void Arguments::add_string(char*** bldarray, int* count, const char* arg) { | |
783 assert(bldarray != NULL, "illegal argument"); | |
784 | |
785 if (arg == NULL) { | |
786 return; | |
787 } | |
788 | |
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789 int new_count = *count + 1; |
0 | 790 |
791 // expand the array and add arg to the last element | |
792 if (*bldarray == NULL) { | |
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793 *bldarray = NEW_C_HEAP_ARRAY(char*, new_count, mtInternal); |
0 | 794 } else { |
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795 *bldarray = REALLOC_C_HEAP_ARRAY(char*, *bldarray, new_count, mtInternal); |
0 | 796 } |
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797 (*bldarray)[*count] = strdup(arg); |
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798 *count = new_count; |
0 | 799 } |
800 | |
801 void Arguments::build_jvm_args(const char* arg) { | |
802 add_string(&_jvm_args_array, &_num_jvm_args, arg); | |
803 } | |
804 | |
805 void Arguments::build_jvm_flags(const char* arg) { | |
806 add_string(&_jvm_flags_array, &_num_jvm_flags, arg); | |
807 } | |
808 | |
809 // utility function to return a string that concatenates all | |
810 // strings in a given char** array | |
811 const char* Arguments::build_resource_string(char** args, int count) { | |
812 if (args == NULL || count == 0) { | |
813 return NULL; | |
814 } | |
815 size_t length = strlen(args[0]) + 1; // add 1 for the null terminator | |
816 for (int i = 1; i < count; i++) { | |
817 length += strlen(args[i]) + 1; // add 1 for a space | |
818 } | |
819 char* s = NEW_RESOURCE_ARRAY(char, length); | |
820 strcpy(s, args[0]); | |
821 for (int j = 1; j < count; j++) { | |
822 strcat(s, " "); | |
823 strcat(s, args[j]); | |
824 } | |
825 return (const char*) s; | |
826 } | |
827 | |
828 void Arguments::print_on(outputStream* st) { | |
829 st->print_cr("VM Arguments:"); | |
830 if (num_jvm_flags() > 0) { | |
831 st->print("jvm_flags: "); print_jvm_flags_on(st); | |
832 } | |
833 if (num_jvm_args() > 0) { | |
834 st->print("jvm_args: "); print_jvm_args_on(st); | |
835 } | |
836 st->print_cr("java_command: %s", java_command() ? java_command() : "<unknown>"); | |
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837 if (_java_class_path != NULL) { |
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838 char* path = _java_class_path->value(); |
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839 st->print_cr("java_class_path (initial): %s", strlen(path) == 0 ? "<not set>" : path ); |
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840 } |
0 | 841 st->print_cr("Launcher Type: %s", _sun_java_launcher); |
842 } | |
843 | |
844 void Arguments::print_jvm_flags_on(outputStream* st) { | |
845 if (_num_jvm_flags > 0) { | |
846 for (int i=0; i < _num_jvm_flags; i++) { | |
847 st->print("%s ", _jvm_flags_array[i]); | |
848 } | |
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849 st->cr(); |
0 | 850 } |
851 } | |
852 | |
853 void Arguments::print_jvm_args_on(outputStream* st) { | |
854 if (_num_jvm_args > 0) { | |
855 for (int i=0; i < _num_jvm_args; i++) { | |
856 st->print("%s ", _jvm_args_array[i]); | |
857 } | |
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858 st->cr(); |
0 | 859 } |
860 } | |
861 | |
242 | 862 bool Arguments::process_argument(const char* arg, |
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863 jboolean ignore_unrecognized, Flag::Flags origin) { |
242 | 864 |
865 JDK_Version since = JDK_Version(); | |
0 | 866 |
3250 | 867 if (parse_argument(arg, origin) || ignore_unrecognized) { |
868 return true; | |
0 | 869 } |
3250 | 870 |
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871 bool has_plus_minus = (*arg == '+' || *arg == '-'); |
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872 const char* const argname = has_plus_minus ? arg + 1 : arg; |
3250 | 873 if (is_newly_obsolete(arg, &since)) { |
874 char version[256]; | |
875 since.to_string(version, sizeof(version)); | |
876 warning("ignoring option %s; support was removed in %s", argname, version); | |
877 return true; | |
878 } | |
879 | |
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880 // For locked flags, report a custom error message if available. |
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881 // Otherwise, report the standard unrecognized VM option. |
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882 |
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883 size_t arg_len; |
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884 const char* equal_sign = strchr(argname, '='); |
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885 if (equal_sign == NULL) { |
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886 arg_len = strlen(argname); |
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887 } else { |
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888 arg_len = equal_sign - argname; |
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889 } |
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890 |
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891 Flag* found_flag = Flag::find_flag((const char*)argname, arg_len, true, true); |
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892 if (found_flag != NULL) { |
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893 char locked_message_buf[BUFLEN]; |
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894 found_flag->get_locked_message(locked_message_buf, BUFLEN); |
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895 if (strlen(locked_message_buf) == 0) { |
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896 if (found_flag->is_bool() && !has_plus_minus) { |
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897 jio_fprintf(defaultStream::error_stream(), |
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898 "Missing +/- setting for VM option '%s'\n", argname); |
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899 } else if (!found_flag->is_bool() && has_plus_minus) { |
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900 jio_fprintf(defaultStream::error_stream(), |
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901 "Unexpected +/- setting in VM option '%s'\n", argname); |
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902 } else { |
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903 jio_fprintf(defaultStream::error_stream(), |
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904 "Improperly specified VM option '%s'\n", argname); |
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905 } |
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906 } else { |
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907 jio_fprintf(defaultStream::error_stream(), "%s", locked_message_buf); |
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908 } |
6017 | 909 } else { |
910 jio_fprintf(defaultStream::error_stream(), | |
911 "Unrecognized VM option '%s'\n", argname); | |
11070 | 912 Flag* fuzzy_matched = Flag::fuzzy_match((const char*)argname, arg_len, true); |
913 if (fuzzy_matched != NULL) { | |
914 jio_fprintf(defaultStream::error_stream(), | |
915 "Did you mean '%s%s%s'?\n", | |
916 (fuzzy_matched->is_bool()) ? "(+/-)" : "", | |
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917 fuzzy_matched->_name, |
11070 | 918 (fuzzy_matched->is_bool()) ? "" : "=<value>"); |
919 } | |
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920 } |
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921 |
3250 | 922 // allow for commandline "commenting out" options like -XX:#+Verbose |
923 return arg[0] == '#'; | |
0 | 924 } |
925 | |
926 bool Arguments::process_settings_file(const char* file_name, bool should_exist, jboolean ignore_unrecognized) { | |
927 FILE* stream = fopen(file_name, "rb"); | |
928 if (stream == NULL) { | |
929 if (should_exist) { | |
930 jio_fprintf(defaultStream::error_stream(), | |
931 "Could not open settings file %s\n", file_name); | |
932 return false; | |
933 } else { | |
934 return true; | |
935 } | |
936 } | |
937 | |
938 char token[1024]; | |
939 int pos = 0; | |
940 | |
941 bool in_white_space = true; | |
942 bool in_comment = false; | |
943 bool in_quote = false; | |
944 char quote_c = 0; | |
945 bool result = true; | |
946 | |
947 int c = getc(stream); | |
6901 | 948 while(c != EOF && pos < (int)(sizeof(token)-1)) { |
0 | 949 if (in_white_space) { |
950 if (in_comment) { | |
951 if (c == '\n') in_comment = false; | |
952 } else { | |
953 if (c == '#') in_comment = true; | |
954 else if (!isspace(c)) { | |
955 in_white_space = false; | |
956 token[pos++] = c; | |
957 } | |
958 } | |
959 } else { | |
960 if (c == '\n' || (!in_quote && isspace(c))) { | |
961 // token ends at newline, or at unquoted whitespace | |
962 // this allows a way to include spaces in string-valued options | |
963 token[pos] = '\0'; | |
964 logOption(token); | |
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965 result &= process_argument(token, ignore_unrecognized, Flag::CONFIG_FILE); |
0 | 966 build_jvm_flags(token); |
967 pos = 0; | |
968 in_white_space = true; | |
969 in_quote = false; | |
970 } else if (!in_quote && (c == '\'' || c == '"')) { | |
971 in_quote = true; | |
972 quote_c = c; | |
973 } else if (in_quote && (c == quote_c)) { | |
974 in_quote = false; | |
975 } else { | |
976 token[pos++] = c; | |
977 } | |
978 } | |
979 c = getc(stream); | |
980 } | |
981 if (pos > 0) { | |
982 token[pos] = '\0'; | |
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983 result &= process_argument(token, ignore_unrecognized, Flag::CONFIG_FILE); |
0 | 984 build_jvm_flags(token); |
985 } | |
986 fclose(stream); | |
987 return result; | |
988 } | |
989 | |
990 //============================================================================================================= | |
991 // Parsing of properties (-D) | |
992 | |
993 const char* Arguments::get_property(const char* key) { | |
994 return PropertyList_get_value(system_properties(), key); | |
995 } | |
996 | |
997 bool Arguments::add_property(const char* prop) { | |
998 const char* eq = strchr(prop, '='); | |
999 char* key; | |
1000 // ns must be static--its address may be stored in a SystemProperty object. | |
1001 const static char ns[1] = {0}; | |
1002 char* value = (char *)ns; | |
1003 | |
1004 size_t key_len = (eq == NULL) ? strlen(prop) : (eq - prop); | |
6197 | 1005 key = AllocateHeap(key_len + 1, mtInternal); |
0 | 1006 strncpy(key, prop, key_len); |
1007 key[key_len] = '\0'; | |
1008 | |
1009 if (eq != NULL) { | |
1010 size_t value_len = strlen(prop) - key_len - 1; | |
6197 | 1011 value = AllocateHeap(value_len + 1, mtInternal); |
0 | 1012 strncpy(value, &prop[key_len + 1], value_len + 1); |
1013 } | |
1014 | |
1015 if (strcmp(key, "java.compiler") == 0) { | |
1016 process_java_compiler_argument(value); | |
1017 FreeHeap(key); | |
1018 if (eq != NULL) { | |
1019 FreeHeap(value); | |
1020 } | |
1021 return true; | |
691 | 1022 } else if (strcmp(key, "sun.java.command") == 0) { |
0 | 1023 _java_command = value; |
1024 | |
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1025 // Record value in Arguments, but let it get passed to Java. |
691 | 1026 } else if (strcmp(key, "sun.java.launcher.pid") == 0) { |
0 | 1027 // launcher.pid property is private and is processed |
1028 // in process_sun_java_launcher_properties(); | |
1029 // the sun.java.launcher property is passed on to the java application | |
1030 FreeHeap(key); | |
1031 if (eq != NULL) { | |
1032 FreeHeap(value); | |
1033 } | |
1034 return true; | |
691 | 1035 } else if (strcmp(key, "java.vendor.url.bug") == 0) { |
0 | 1036 // save it in _java_vendor_url_bug, so JVM fatal error handler can access |
1037 // its value without going through the property list or making a Java call. | |
1038 _java_vendor_url_bug = value; | |
691 | 1039 } else if (strcmp(key, "sun.boot.library.path") == 0) { |
1040 PropertyList_unique_add(&_system_properties, key, value, true); | |
1041 return true; | |
0 | 1042 } |
1043 // Create new property and add at the end of the list | |
1044 PropertyList_unique_add(&_system_properties, key, value); | |
1045 return true; | |
1046 } | |
1047 | |
1048 //=========================================================================================================== | |
1049 // Setting int/mixed/comp mode flags | |
1050 | |
1051 void Arguments::set_mode_flags(Mode mode) { | |
1052 // Set up default values for all flags. | |
1053 // If you add a flag to any of the branches below, | |
1054 // add a default value for it here. | |
1055 set_java_compiler(false); | |
1056 _mode = mode; | |
1057 | |
1058 // Ensure Agent_OnLoad has the correct initial values. | |
1059 // This may not be the final mode; mode may change later in onload phase. | |
1060 PropertyList_unique_add(&_system_properties, "java.vm.info", | |
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1061 (char*)VM_Version::vm_info_string(), false); |
0 | 1062 |
1063 UseInterpreter = true; | |
1064 UseCompiler = true; | |
1065 UseLoopCounter = true; | |
1066 | |
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1067 #ifndef ZERO |
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1068 // Turn these off for mixed and comp. Leave them on for Zero. |
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1069 if (FLAG_IS_DEFAULT(UseFastAccessorMethods)) { |
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1070 UseFastAccessorMethods = (mode == _int); |
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1071 } |
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1072 if (FLAG_IS_DEFAULT(UseFastEmptyMethods)) { |
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1073 UseFastEmptyMethods = (mode == _int); |
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1074 } |
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1075 #endif |
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1076 |
0 | 1077 // Default values may be platform/compiler dependent - |
1078 // use the saved values | |
1079 ClipInlining = Arguments::_ClipInlining; | |
1080 AlwaysCompileLoopMethods = Arguments::_AlwaysCompileLoopMethods; | |
1081 UseOnStackReplacement = Arguments::_UseOnStackReplacement; | |
1082 BackgroundCompilation = Arguments::_BackgroundCompilation; | |
1083 | |
1084 // Change from defaults based on mode | |
1085 switch (mode) { | |
1086 default: | |
1087 ShouldNotReachHere(); | |
1088 break; | |
1089 case _int: | |
1090 UseCompiler = false; | |
1091 UseLoopCounter = false; | |
1092 AlwaysCompileLoopMethods = false; | |
1093 UseOnStackReplacement = false; | |
1094 break; | |
1095 case _mixed: | |
1096 // same as default | |
1097 break; | |
1098 case _comp: | |
1099 UseInterpreter = false; | |
1100 BackgroundCompilation = false; | |
1101 ClipInlining = false; | |
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1102 // Be much more aggressive in tiered mode with -Xcomp and exercise C2 more. |
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1103 // We will first compile a level 3 version (C1 with full profiling), then do one invocation of it and |
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1104 // compile a level 4 (C2) and then continue executing it. |
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1105 if (TieredCompilation) { |
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1106 Tier3InvokeNotifyFreqLog = 0; |
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1107 Tier4InvocationThreshold = 0; |
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1108 } |
0 | 1109 break; |
1110 } | |
1111 } | |
1112 | |
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1113 #if defined(COMPILER2) || defined(_LP64) || !INCLUDE_CDS |
0 | 1114 // Conflict: required to use shared spaces (-Xshare:on), but |
1115 // incompatible command line options were chosen. | |
1116 | |
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1117 static void no_shared_spaces(const char* message) { |
0 | 1118 if (RequireSharedSpaces) { |
1119 jio_fprintf(defaultStream::error_stream(), | |
1120 "Class data sharing is inconsistent with other specified options.\n"); | |
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1121 vm_exit_during_initialization("Unable to use shared archive.", message); |
0 | 1122 } else { |
1123 FLAG_SET_DEFAULT(UseSharedSpaces, false); | |
1124 } | |
1125 } | |
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1126 #endif |
0 | 1127 |
1783 | 1128 void Arguments::set_tiered_flags() { |
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1129 // With tiered, set default policy to AdvancedThresholdPolicy, which is 3. |
1783 | 1130 if (FLAG_IS_DEFAULT(CompilationPolicyChoice)) { |
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1131 FLAG_SET_DEFAULT(CompilationPolicyChoice, 3); |
1783 | 1132 } |
1133 if (CompilationPolicyChoice < 2) { | |
1134 vm_exit_during_initialization( | |
1135 "Incompatible compilation policy selected", NULL); | |
1136 } | |
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1137 // Increase the code cache size - tiered compiles a lot more. |
1783 | 1138 if (FLAG_IS_DEFAULT(ReservedCodeCacheSize)) { |
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1139 FLAG_SET_DEFAULT(ReservedCodeCacheSize, ReservedCodeCacheSize * 5); |
1783 | 1140 } |
10278 | 1141 if (!UseInterpreter) { // -Xcomp |
1142 Tier3InvokeNotifyFreqLog = 0; | |
1143 Tier4InvocationThreshold = 0; | |
1144 } | |
1783 | 1145 } |
1146 | |
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1147 #if INCLUDE_ALL_GCS |
4838 | 1148 static void disable_adaptive_size_policy(const char* collector_name) { |
1149 if (UseAdaptiveSizePolicy) { | |
1150 if (FLAG_IS_CMDLINE(UseAdaptiveSizePolicy)) { | |
1151 warning("disabling UseAdaptiveSizePolicy; it is incompatible with %s.", | |
1152 collector_name); | |
1153 } | |
1154 FLAG_SET_DEFAULT(UseAdaptiveSizePolicy, false); | |
1155 } | |
1156 } | |
1157 | |
0 | 1158 void Arguments::set_parnew_gc_flags() { |
1064 | 1159 assert(!UseSerialGC && !UseParallelOldGC && !UseParallelGC && !UseG1GC, |
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1160 "control point invariant"); |
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1161 assert(UseParNewGC, "Error"); |
0 | 1162 |
4838 | 1163 // Turn off AdaptiveSizePolicy for parnew until it is complete. |
1164 disable_adaptive_size_policy("UseParNewGC"); | |
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1165 |
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1166 if (FLAG_IS_DEFAULT(ParallelGCThreads)) { |
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1167 FLAG_SET_DEFAULT(ParallelGCThreads, Abstract_VM_Version::parallel_worker_threads()); |
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1168 assert(ParallelGCThreads > 0, "We should always have at least one thread by default"); |
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1169 } else if (ParallelGCThreads == 0) { |
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1170 jio_fprintf(defaultStream::error_stream(), |
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1171 "The ParNew GC can not be combined with -XX:ParallelGCThreads=0\n"); |
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1172 vm_exit(1); |
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1173 } |
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1174 |
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1175 // By default YoungPLABSize and OldPLABSize are set to 4096 and 1024 respectively, |
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1176 // these settings are default for Parallel Scavenger. For ParNew+Tenured configuration |
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1177 // we set them to 1024 and 1024. |
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1178 // See CR 6362902. |
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1179 if (FLAG_IS_DEFAULT(YoungPLABSize)) { |
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1180 FLAG_SET_DEFAULT(YoungPLABSize, (intx)1024); |
0 | 1181 } |
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1182 if (FLAG_IS_DEFAULT(OldPLABSize)) { |
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1183 FLAG_SET_DEFAULT(OldPLABSize, (intx)1024); |
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1184 } |
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1185 |
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1186 // AlwaysTenure flag should make ParNew promote all at first collection. |
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1187 // See CR 6362902. |
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1188 if (AlwaysTenure) { |
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1189 FLAG_SET_CMDLINE(uintx, MaxTenuringThreshold, 0); |
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1190 } |
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1191 // When using compressed oops, we use local overflow stacks, |
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1192 // rather than using a global overflow list chained through |
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1193 // the klass word of the object's pre-image. |
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1194 if (UseCompressedOops && !ParGCUseLocalOverflow) { |
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1195 if (!FLAG_IS_DEFAULT(ParGCUseLocalOverflow)) { |
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1196 warning("Forcing +ParGCUseLocalOverflow: needed if using compressed references"); |
0 | 1197 } |
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1198 FLAG_SET_DEFAULT(ParGCUseLocalOverflow, true); |
0 | 1199 } |
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1200 assert(ParGCUseLocalOverflow || !UseCompressedOops, "Error"); |
0 | 1201 } |
1202 | |
1203 // Adjust some sizes to suit CMS and/or ParNew needs; these work well on | |
1204 // sparc/solaris for certain applications, but would gain from | |
1205 // further optimization and tuning efforts, and would almost | |
1206 // certainly gain from analysis of platform and environment. | |
1207 void Arguments::set_cms_and_parnew_gc_flags() { | |
1064 | 1208 assert(!UseSerialGC && !UseParallelOldGC && !UseParallelGC, "Error"); |
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1209 assert(UseConcMarkSweepGC, "CMS is expected to be on here"); |
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1210 |
0 | 1211 // If we are using CMS, we prefer to UseParNewGC, |
1212 // unless explicitly forbidden. | |
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1213 if (FLAG_IS_DEFAULT(UseParNewGC)) { |
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1214 FLAG_SET_ERGO(bool, UseParNewGC, true); |
0 | 1215 } |
1216 | |
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1217 // Turn off AdaptiveSizePolicy by default for cms until it is complete. |
4838 | 1218 disable_adaptive_size_policy("UseConcMarkSweepGC"); |
0 | 1219 |
1220 // In either case, adjust ParallelGCThreads and/or UseParNewGC | |
1221 // as needed. | |
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1222 if (UseParNewGC) { |
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1223 set_parnew_gc_flags(); |
0 | 1224 } |
1225 | |
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1226 size_t max_heap = align_size_down(MaxHeapSize, |
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1227 CardTableRS::ct_max_alignment_constraint()); |
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1228 |
0 | 1229 // Now make adjustments for CMS |
2368
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1230 intx tenuring_default = (intx)6; |
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1231 size_t young_gen_per_worker = CMSYoungGenPerWorker; |
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1232 |
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1233 // Preferred young gen size for "short" pauses: |
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1234 // upper bound depends on # of threads and NewRatio. |
0 | 1235 const uintx parallel_gc_threads = |
1236 (ParallelGCThreads == 0 ? 1 : ParallelGCThreads); | |
1237 const size_t preferred_max_new_size_unaligned = | |
2368
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1238 MIN2(max_heap/(NewRatio+1), ScaleForWordSize(young_gen_per_worker * parallel_gc_threads)); |
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1239 size_t preferred_max_new_size = |
0 | 1240 align_size_up(preferred_max_new_size_unaligned, os::vm_page_size()); |
1241 | |
1242 // Unless explicitly requested otherwise, size young gen | |
2368
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1243 // for "short" pauses ~ CMSYoungGenPerWorker*ParallelGCThreads |
886
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1244 |
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1245 // If either MaxNewSize or NewRatio is set on the command line, |
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1246 // assume the user is trying to set the size of the young gen. |
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1247 if (FLAG_IS_DEFAULT(MaxNewSize) && FLAG_IS_DEFAULT(NewRatio)) { |
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1248 |
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1249 // Set MaxNewSize to our calculated preferred_max_new_size unless |
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1250 // NewSize was set on the command line and it is larger than |
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1251 // preferred_max_new_size. |
0 | 1252 if (!FLAG_IS_DEFAULT(NewSize)) { // NewSize explicitly set at command-line |
13
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1253 FLAG_SET_ERGO(uintx, MaxNewSize, MAX2(NewSize, preferred_max_new_size)); |
0 | 1254 } else { |
13
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1255 FLAG_SET_ERGO(uintx, MaxNewSize, preferred_max_new_size); |
0 | 1256 } |
1064 | 1257 if (PrintGCDetails && Verbose) { |
13
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1258 // Too early to use gclog_or_tty |
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1259 tty->print_cr("CMS ergo set MaxNewSize: " SIZE_FORMAT, MaxNewSize); |
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1260 } |
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1261 |
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1262 // Code along this path potentially sets NewSize and OldSize |
1064 | 1263 if (PrintGCDetails && Verbose) { |
13
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1264 // Too early to use gclog_or_tty |
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1265 tty->print_cr("CMS set min_heap_size: " SIZE_FORMAT |
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1266 " initial_heap_size: " SIZE_FORMAT |
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1267 " max_heap: " SIZE_FORMAT, |
1064 | 1268 min_heap_size(), InitialHeapSize, max_heap); |
13
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1269 } |
2368
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1270 size_t min_new = preferred_max_new_size; |
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1271 if (FLAG_IS_CMDLINE(NewSize)) { |
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1272 min_new = NewSize; |
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1273 } |
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1274 if (max_heap > min_new && min_heap_size() > min_new) { |
0 | 1275 // Unless explicitly requested otherwise, make young gen |
1276 // at least min_new, and at most preferred_max_new_size. | |
1277 if (FLAG_IS_DEFAULT(NewSize)) { | |
13
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1278 FLAG_SET_ERGO(uintx, NewSize, MAX2(NewSize, min_new)); |
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1279 FLAG_SET_ERGO(uintx, NewSize, MIN2(preferred_max_new_size, NewSize)); |
1064 | 1280 if (PrintGCDetails && Verbose) { |
13
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1281 // Too early to use gclog_or_tty |
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1282 tty->print_cr("CMS ergo set NewSize: " SIZE_FORMAT, NewSize); |
13
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1283 } |
0 | 1284 } |
1285 // Unless explicitly requested otherwise, size old gen | |
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1286 // so it's NewRatio x of NewSize. |
0 | 1287 if (FLAG_IS_DEFAULT(OldSize)) { |
1288 if (max_heap > NewSize) { | |
2368
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1289 FLAG_SET_ERGO(uintx, OldSize, MIN2(NewRatio*NewSize, max_heap - NewSize)); |
1064 | 1290 if (PrintGCDetails && Verbose) { |
13
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1291 // Too early to use gclog_or_tty |
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1292 tty->print_cr("CMS ergo set OldSize: " SIZE_FORMAT, OldSize); |
13
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1293 } |
0 | 1294 } |
1295 } | |
1296 } | |
1297 } | |
1298 // Unless explicitly requested otherwise, definitely | |
1299 // promote all objects surviving "tenuring_default" scavenges. | |
1300 if (FLAG_IS_DEFAULT(MaxTenuringThreshold) && | |
1301 FLAG_IS_DEFAULT(SurvivorRatio)) { | |
6818 | 1302 FLAG_SET_ERGO(uintx, MaxTenuringThreshold, tenuring_default); |
0 | 1303 } |
1304 // If we decided above (or user explicitly requested) | |
1305 // `promote all' (via MaxTenuringThreshold := 0), | |
1306 // prefer minuscule survivor spaces so as not to waste | |
1307 // space for (non-existent) survivors | |
1308 if (FLAG_IS_DEFAULT(SurvivorRatio) && MaxTenuringThreshold == 0) { | |
8035 | 1309 FLAG_SET_ERGO(uintx, SurvivorRatio, MAX2((uintx)1024, SurvivorRatio)); |
0 | 1310 } |
1311 // If OldPLABSize is set and CMSParPromoteBlocksToClaim is not, | |
1312 // set CMSParPromoteBlocksToClaim equal to OldPLABSize. | |
1313 // This is done in order to make ParNew+CMS configuration to work | |
1314 // with YoungPLABSize and OldPLABSize options. | |
1315 // See CR 6362902. | |
1316 if (!FLAG_IS_DEFAULT(OldPLABSize)) { | |
1317 if (FLAG_IS_DEFAULT(CMSParPromoteBlocksToClaim)) { | |
13
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1318 // OldPLABSize is not the default value but CMSParPromoteBlocksToClaim |
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1319 // is. In this situtation let CMSParPromoteBlocksToClaim follow |
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1320 // the value (either from the command line or ergonomics) of |
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1321 // OldPLABSize. Following OldPLABSize is an ergonomics decision. |
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1322 FLAG_SET_ERGO(uintx, CMSParPromoteBlocksToClaim, OldPLABSize); |
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1323 } else { |
0 | 1324 // OldPLABSize and CMSParPromoteBlocksToClaim are both set. |
1325 // CMSParPromoteBlocksToClaim is a collector-specific flag, so | |
1326 // we'll let it to take precedence. | |
1327 jio_fprintf(defaultStream::error_stream(), | |
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1328 "Both OldPLABSize and CMSParPromoteBlocksToClaim" |
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1329 " options are specified for the CMS collector." |
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1330 " CMSParPromoteBlocksToClaim will take precedence.\n"); |
0 | 1331 } |
1332 } | |
1145
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1333 if (!FLAG_IS_DEFAULT(ResizeOldPLAB) && !ResizeOldPLAB) { |
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1334 // OldPLAB sizing manually turned off: Use a larger default setting, |
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1335 // unless it was manually specified. This is because a too-low value |
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1336 // will slow down scavenges. |
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1337 if (FLAG_IS_DEFAULT(CMSParPromoteBlocksToClaim)) { |
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1338 FLAG_SET_ERGO(uintx, CMSParPromoteBlocksToClaim, 50); // default value before 6631166 |
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1339 } |
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1340 } |
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1341 // Overwrite OldPLABSize which is the variable we will internally use everywhere. |
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1342 FLAG_SET_ERGO(uintx, OldPLABSize, CMSParPromoteBlocksToClaim); |
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1343 // If either of the static initialization defaults have changed, note this |
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1344 // modification. |
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1345 if (!FLAG_IS_DEFAULT(CMSParPromoteBlocksToClaim) || !FLAG_IS_DEFAULT(OldPLABWeight)) { |
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1346 CFLS_LAB::modify_initialization(OldPLABSize, OldPLABWeight); |
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1347 } |
1284 | 1348 if (PrintGCDetails && Verbose) { |
1349 tty->print_cr("MarkStackSize: %uk MarkStackSizeMax: %uk", | |
17937
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1350 (unsigned int) (MarkStackSize / K), (uint) (MarkStackSizeMax / K)); |
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1351 tty->print_cr("ConcGCThreads: %u", (uint) ConcGCThreads); |
1284 | 1352 } |
0 | 1353 } |
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1354 #endif // INCLUDE_ALL_GCS |
0 | 1355 |
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1356 void set_object_alignment() { |
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1357 // Object alignment. |
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1358 assert(is_power_of_2(ObjectAlignmentInBytes), "ObjectAlignmentInBytes must be power of 2"); |
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1359 MinObjAlignmentInBytes = ObjectAlignmentInBytes; |
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1360 assert(MinObjAlignmentInBytes >= HeapWordsPerLong * HeapWordSize, "ObjectAlignmentInBytes value is too small"); |
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1361 MinObjAlignment = MinObjAlignmentInBytes / HeapWordSize; |
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1362 assert(MinObjAlignmentInBytes == MinObjAlignment * HeapWordSize, "ObjectAlignmentInBytes value is incorrect"); |
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1363 MinObjAlignmentInBytesMask = MinObjAlignmentInBytes - 1; |
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1364 |
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1365 LogMinObjAlignmentInBytes = exact_log2(ObjectAlignmentInBytes); |
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1366 LogMinObjAlignment = LogMinObjAlignmentInBytes - LogHeapWordSize; |
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1367 |
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1368 // Oop encoding heap max |
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1369 OopEncodingHeapMax = (uint64_t(max_juint) + 1) << LogMinObjAlignmentInBytes; |
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1370 |
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1371 #if INCLUDE_ALL_GCS |
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1372 // Set CMS global values |
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1373 CompactibleFreeListSpace::set_cms_values(); |
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1374 #endif // INCLUDE_ALL_GCS |
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1375 } |
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1376 |
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1377 bool verify_object_alignment() { |
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1378 // Object alignment. |
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1379 if (!is_power_of_2(ObjectAlignmentInBytes)) { |
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1380 jio_fprintf(defaultStream::error_stream(), |
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1381 "error: ObjectAlignmentInBytes=%d must be power of 2\n", |
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1382 (int)ObjectAlignmentInBytes); |
1571
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6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
1383 return false; |
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
1384 } |
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
1385 if ((int)ObjectAlignmentInBytes < BytesPerLong) { |
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
1386 jio_fprintf(defaultStream::error_stream(), |
1829
fe08403130db
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
1796
diff
changeset
|
1387 "error: ObjectAlignmentInBytes=%d must be greater or equal %d\n", |
fe08403130db
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
1796
diff
changeset
|
1388 (int)ObjectAlignmentInBytes, BytesPerLong); |
fe08403130db
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
1796
diff
changeset
|
1389 return false; |
fe08403130db
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
1796
diff
changeset
|
1390 } |
fe08403130db
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
1796
diff
changeset
|
1391 // It does not make sense to have big object alignment |
fe08403130db
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
1796
diff
changeset
|
1392 // since a space lost due to alignment will be greater |
fe08403130db
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
1796
diff
changeset
|
1393 // then a saved space from compressed oops. |
fe08403130db
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
1796
diff
changeset
|
1394 if ((int)ObjectAlignmentInBytes > 256) { |
fe08403130db
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
1796
diff
changeset
|
1395 jio_fprintf(defaultStream::error_stream(), |
7461
561148896559
8005076: Creating a CDS archive with one alignment and running another causes a crash.
hseigel
parents:
7458
diff
changeset
|
1396 "error: ObjectAlignmentInBytes=%d must not be greater than 256\n", |
1829
fe08403130db
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
1796
diff
changeset
|
1397 (int)ObjectAlignmentInBytes); |
fe08403130db
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
1796
diff
changeset
|
1398 return false; |
fe08403130db
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
1796
diff
changeset
|
1399 } |
fe08403130db
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
1796
diff
changeset
|
1400 // In case page size is very small. |
fe08403130db
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
1796
diff
changeset
|
1401 if ((int)ObjectAlignmentInBytes >= os::vm_page_size()) { |
fe08403130db
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
1796
diff
changeset
|
1402 jio_fprintf(defaultStream::error_stream(), |
7461
561148896559
8005076: Creating a CDS archive with one alignment and running another causes a crash.
hseigel
parents:
7458
diff
changeset
|
1403 "error: ObjectAlignmentInBytes=%d must be less than page size %d\n", |
1829
fe08403130db
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
1796
diff
changeset
|
1404 (int)ObjectAlignmentInBytes, os::vm_page_size()); |
1571
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
1405 return false; |
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
1406 } |
20317
ee019285a52c
8031323: Optionally align objects copied to survivor spaces
jmasa
parents:
20294
diff
changeset
|
1407 if(SurvivorAlignmentInBytes == 0) { |
ee019285a52c
8031323: Optionally align objects copied to survivor spaces
jmasa
parents:
20294
diff
changeset
|
1408 SurvivorAlignmentInBytes = ObjectAlignmentInBytes; |
ee019285a52c
8031323: Optionally align objects copied to survivor spaces
jmasa
parents:
20294
diff
changeset
|
1409 } else { |
ee019285a52c
8031323: Optionally align objects copied to survivor spaces
jmasa
parents:
20294
diff
changeset
|
1410 if (!is_power_of_2(SurvivorAlignmentInBytes)) { |
ee019285a52c
8031323: Optionally align objects copied to survivor spaces
jmasa
parents:
20294
diff
changeset
|
1411 jio_fprintf(defaultStream::error_stream(), |
ee019285a52c
8031323: Optionally align objects copied to survivor spaces
jmasa
parents:
20294
diff
changeset
|
1412 "error: SurvivorAlignmentInBytes=%d must be power of 2\n", |
ee019285a52c
8031323: Optionally align objects copied to survivor spaces
jmasa
parents:
20294
diff
changeset
|
1413 (int)SurvivorAlignmentInBytes); |
ee019285a52c
8031323: Optionally align objects copied to survivor spaces
jmasa
parents:
20294
diff
changeset
|
1414 return false; |
ee019285a52c
8031323: Optionally align objects copied to survivor spaces
jmasa
parents:
20294
diff
changeset
|
1415 } |
ee019285a52c
8031323: Optionally align objects copied to survivor spaces
jmasa
parents:
20294
diff
changeset
|
1416 if (SurvivorAlignmentInBytes < ObjectAlignmentInBytes) { |
ee019285a52c
8031323: Optionally align objects copied to survivor spaces
jmasa
parents:
20294
diff
changeset
|
1417 jio_fprintf(defaultStream::error_stream(), |
ee019285a52c
8031323: Optionally align objects copied to survivor spaces
jmasa
parents:
20294
diff
changeset
|
1418 "error: SurvivorAlignmentInBytes=%d must be greater than ObjectAlignmentInBytes=%d \n", |
ee019285a52c
8031323: Optionally align objects copied to survivor spaces
jmasa
parents:
20294
diff
changeset
|
1419 (int)SurvivorAlignmentInBytes, (int)ObjectAlignmentInBytes); |
ee019285a52c
8031323: Optionally align objects copied to survivor spaces
jmasa
parents:
20294
diff
changeset
|
1420 return false; |
ee019285a52c
8031323: Optionally align objects copied to survivor spaces
jmasa
parents:
20294
diff
changeset
|
1421 } |
ee019285a52c
8031323: Optionally align objects copied to survivor spaces
jmasa
parents:
20294
diff
changeset
|
1422 } |
1571
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
1423 return true; |
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
1424 } |
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
1425 |
20220
d15367d92f0d
8043723: max_heap_for_compressed_oops() declared with size_t, but defined with uintx
tschatzl
parents:
17937
diff
changeset
|
1426 size_t Arguments::max_heap_for_compressed_oops() { |
1963 | 1427 // Avoid sign flip. |
12056
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1428 assert(OopEncodingHeapMax > (uint64_t)os::vm_page_size(), "Unusual page size"); |
12233
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
1429 // We need to fit both the NULL page and the heap into the memory budget, while |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
1430 // keeping alignment constraints of the heap. To guarantee the latter, as the |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
1431 // NULL page is located before the heap, we pad the NULL page to the conservative |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
1432 // maximum alignment that the GC may ever impose upon the heap. |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
1433 size_t displacement_due_to_null_page = align_size_up_(os::vm_page_size(), |
13059
46d7652b223c
8026853: Prepare GC code for collector policy regression fix
jwilhelm
parents:
13008
diff
changeset
|
1434 _conservative_max_heap_alignment); |
12233
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
1435 |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
1436 LP64_ONLY(return OopEncodingHeapMax - displacement_due_to_null_page); |
1064 | 1437 NOT_LP64(ShouldNotReachHere(); return 0); |
135
b7268662a986
6689523: max heap calculation for compressed oops is off by MaxPermSize
coleenp
parents:
113
diff
changeset
|
1438 } |
b7268662a986
6689523: max heap calculation for compressed oops is off by MaxPermSize
coleenp
parents:
113
diff
changeset
|
1439 |
0 | 1440 bool Arguments::should_auto_select_low_pause_collector() { |
1441 if (UseAutoGCSelectPolicy && | |
1442 !FLAG_IS_DEFAULT(MaxGCPauseMillis) && | |
1443 (MaxGCPauseMillis <= AutoGCSelectPauseMillis)) { | |
1444 if (PrintGCDetails) { | |
1445 // Cannot use gclog_or_tty yet. | |
1446 tty->print_cr("Automatic selection of the low pause collector" | |
17937
78bbf4d43a14
8037816: Fix for 8036122 breaks build with Xcode5/clang
drchase
parents:
17906
diff
changeset
|
1447 " based on pause goal of %d (ms)", (int) MaxGCPauseMillis); |
0 | 1448 } |
1449 return true; | |
1450 } | |
1451 return false; | |
1452 } | |
1453 | |
8741
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1454 void Arguments::set_use_compressed_oops() { |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1455 #ifndef ZERO |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1456 #ifdef _LP64 |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1457 // MaxHeapSize is not set up properly at this point, but |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1458 // the only value that can override MaxHeapSize if we are |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1459 // to use UseCompressedOops is InitialHeapSize. |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1460 size_t max_heap_size = MAX2(MaxHeapSize, InitialHeapSize); |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1461 |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1462 if (max_heap_size <= max_heap_for_compressed_oops()) { |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1463 #if !defined(COMPILER1) || defined(TIERED) |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1464 if (FLAG_IS_DEFAULT(UseCompressedOops)) { |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1465 FLAG_SET_ERGO(bool, UseCompressedOops, true); |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1466 } |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1467 #endif |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1468 #ifdef _WIN64 |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1469 if (UseLargePages && UseCompressedOops) { |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1470 // Cannot allocate guard pages for implicit checks in indexed addressing |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1471 // mode, when large pages are specified on windows. |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1472 // This flag could be switched ON if narrow oop base address is set to 0, |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1473 // see code in Universe::initialize_heap(). |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1474 Universe::set_narrow_oop_use_implicit_null_checks(false); |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1475 } |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1476 #endif // _WIN64 |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1477 } else { |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1478 if (UseCompressedOops && !FLAG_IS_DEFAULT(UseCompressedOops)) { |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1479 warning("Max heap size too large for Compressed Oops"); |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1480 FLAG_SET_DEFAULT(UseCompressedOops, false); |
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
1481 FLAG_SET_DEFAULT(UseCompressedClassPointers, false); |
8741
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1482 } |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1483 } |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1484 #endif // _LP64 |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1485 #endif // ZERO |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1486 } |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1487 |
12056
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1488 |
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1489 // NOTE: set_use_compressed_klass_ptrs() must be called after calling |
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1490 // set_use_compressed_oops(). |
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1491 void Arguments::set_use_compressed_klass_ptrs() { |
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1492 #ifndef ZERO |
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1493 #ifdef _LP64 |
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
1494 // UseCompressedOops must be on for UseCompressedClassPointers to be on. |
12056
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1495 if (!UseCompressedOops) { |
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
1496 if (UseCompressedClassPointers) { |
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
1497 warning("UseCompressedClassPointers requires UseCompressedOops"); |
12056
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1498 } |
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
1499 FLAG_SET_DEFAULT(UseCompressedClassPointers, false); |
12056
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1500 } else { |
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
1501 // Turn on UseCompressedClassPointers too |
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
1502 if (FLAG_IS_DEFAULT(UseCompressedClassPointers)) { |
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
1503 FLAG_SET_ERGO(bool, UseCompressedClassPointers, true); |
12056
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1504 } |
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
1505 // Check the CompressedClassSpaceSize to make sure we use compressed klass ptrs. |
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
1506 if (UseCompressedClassPointers) { |
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
1507 if (CompressedClassSpaceSize > KlassEncodingMetaspaceMax) { |
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
1508 warning("CompressedClassSpaceSize is too large for UseCompressedClassPointers"); |
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
1509 FLAG_SET_DEFAULT(UseCompressedClassPointers, false); |
12056
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1510 } |
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1511 } |
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1512 } |
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1513 #endif // _LP64 |
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1514 #endif // !ZERO |
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1515 } |
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1516 |
12233
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
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|
1517 void Arguments::set_conservative_max_heap_alignment() { |
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|
1518 // The conservative maximum required alignment for the heap is the maximum of |
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8010722: assert: failed: heap size is too big for compressed oops
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|
1519 // the alignments imposed by several sources: any requirements from the heap |
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|
1520 // itself, the collector policy and the maximum page size we may run the VM |
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|
1521 // with. |
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8010722: assert: failed: heap size is too big for compressed oops
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|
1522 size_t heap_alignment = GenCollectedHeap::conservative_max_heap_alignment(); |
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8010722: assert: failed: heap size is too big for compressed oops
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|
1523 #if INCLUDE_ALL_GCS |
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8010722: assert: failed: heap size is too big for compressed oops
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|
1524 if (UseParallelGC) { |
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8010722: assert: failed: heap size is too big for compressed oops
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|
1525 heap_alignment = ParallelScavengeHeap::conservative_max_heap_alignment(); |
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|
1526 } else if (UseG1GC) { |
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|
1527 heap_alignment = G1CollectedHeap::conservative_max_heap_alignment(); |
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|
1528 } |
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|
1529 #endif // INCLUDE_ALL_GCS |
20294
dd219eaec9cc
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20241
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|
1530 _conservative_max_heap_alignment = MAX4(heap_alignment, |
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|
1531 (size_t)os::vm_allocation_granularity(), |
dd219eaec9cc
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|
1532 os::max_page_size(), |
dd219eaec9cc
8048088: Conservative maximum heap alignment should take vm_allocation_granularity into account
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|
1533 CollectorPolicy::compute_heap_alignment()); |
12233
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|
1534 } |
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|
1535 |
20403
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8057531: refactor gc argument processing code slightly
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|
1536 void Arguments::select_gc_ergonomically() { |
4946 | 1537 if (os::is_server_class_machine()) { |
20403
8ec8971f511a
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|
1538 if (should_auto_select_low_pause_collector()) { |
8ec8971f511a
8057531: refactor gc argument processing code slightly
jcoomes
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diff
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|
1539 FLAG_SET_ERGO(bool, UseConcMarkSweepGC, true); |
8ec8971f511a
8057531: refactor gc argument processing code slightly
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diff
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|
1540 } else { |
8ec8971f511a
8057531: refactor gc argument processing code slightly
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diff
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|
1541 FLAG_SET_ERGO(bool, UseParallelGC, true); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
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diff
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|
1542 } |
0 | 1543 } |
20403
8ec8971f511a
8057531: refactor gc argument processing code slightly
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|
1544 } |
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|
1545 |
8ec8971f511a
8057531: refactor gc argument processing code slightly
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20395
diff
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|
1546 void Arguments::select_gc() { |
8ec8971f511a
8057531: refactor gc argument processing code slightly
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20395
diff
changeset
|
1547 if (!gc_selected()) { |
20408
76af788b6c16
8057623: add an extension class for argument handling
jcoomes
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20403
diff
changeset
|
1548 ArgumentsExt::select_gc_ergonomically(); |
20403
8ec8971f511a
8057531: refactor gc argument processing code slightly
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diff
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|
1549 } |
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diff
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|
1550 } |
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|
1551 |
8ec8971f511a
8057531: refactor gc argument processing code slightly
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diff
changeset
|
1552 void Arguments::set_ergonomics_flags() { |
8ec8971f511a
8057531: refactor gc argument processing code slightly
jcoomes
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20395
diff
changeset
|
1553 select_gc(); |
8ec8971f511a
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diff
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|
1554 |
12280
9ed97b511b26
8024517: runtime/CDSCompressedKPtrs/XShareAuto.java failed with RuntimeException
hseigel
parents:
12276
diff
changeset
|
1555 #ifdef COMPILER2 |
9ed97b511b26
8024517: runtime/CDSCompressedKPtrs/XShareAuto.java failed with RuntimeException
hseigel
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12276
diff
changeset
|
1556 // Shared spaces work fine with other GCs but causes bytecode rewriting |
9ed97b511b26
8024517: runtime/CDSCompressedKPtrs/XShareAuto.java failed with RuntimeException
hseigel
parents:
12276
diff
changeset
|
1557 // to be disabled, which hurts interpreter performance and decreases |
9ed97b511b26
8024517: runtime/CDSCompressedKPtrs/XShareAuto.java failed with RuntimeException
hseigel
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diff
changeset
|
1558 // server performance. When -server is specified, keep the default off |
9ed97b511b26
8024517: runtime/CDSCompressedKPtrs/XShareAuto.java failed with RuntimeException
hseigel
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diff
changeset
|
1559 // unless it is asked for. Future work: either add bytecode rewriting |
9ed97b511b26
8024517: runtime/CDSCompressedKPtrs/XShareAuto.java failed with RuntimeException
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12276
diff
changeset
|
1560 // at link time, or rewrite bytecodes in non-shared methods. |
9ed97b511b26
8024517: runtime/CDSCompressedKPtrs/XShareAuto.java failed with RuntimeException
hseigel
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12276
diff
changeset
|
1561 if (!DumpSharedSpaces && !RequireSharedSpaces && |
9ed97b511b26
8024517: runtime/CDSCompressedKPtrs/XShareAuto.java failed with RuntimeException
hseigel
parents:
12276
diff
changeset
|
1562 (FLAG_IS_DEFAULT(UseSharedSpaces) || !UseSharedSpaces)) { |
20375
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
1563 no_shared_spaces("COMPILER2 default: -Xshare:auto | off, have to manually setup to on."); |
12280
9ed97b511b26
8024517: runtime/CDSCompressedKPtrs/XShareAuto.java failed with RuntimeException
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12276
diff
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|
1564 } |
9ed97b511b26
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|
1565 #endif |
113
ba764ed4b6f2
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|
1566 |
12233
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|
1567 set_conservative_max_heap_alignment(); |
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|
1568 |
1010 | 1569 #ifndef ZERO |
113
ba764ed4b6f2
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76
diff
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|
1570 #ifdef _LP64 |
8741
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
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|
1571 set_use_compressed_oops(); |
12056
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
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12003
diff
changeset
|
1572 |
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
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12003
diff
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|
1573 // set_use_compressed_klass_ptrs() must be called after calling |
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
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12003
diff
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|
1574 // set_use_compressed_oops(). |
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
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|
1575 set_use_compressed_klass_ptrs(); |
740e263c80c6
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12003
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|
1576 |
113
ba764ed4b6f2
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|
1577 // Also checks that certain machines are slower with compressed oops |
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|
1578 // in vm_version initialization code. |
ba764ed4b6f2
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|
1579 #endif // _LP64 |
1010 | 1580 #endif // !ZERO |
0 | 1581 } |
1582 | |
1583 void Arguments::set_parallel_gc_flags() { | |
342
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|
1584 assert(UseParallelGC || UseParallelOldGC, "Error"); |
4879 | 1585 // Enable ParallelOld unless it was explicitly disabled (cmd line or rc file). |
1586 if (FLAG_IS_DEFAULT(UseParallelOldGC)) { | |
1587 FLAG_SET_DEFAULT(UseParallelOldGC, true); | |
0 | 1588 } |
4879 | 1589 FLAG_SET_DEFAULT(UseParallelGC, true); |
0 | 1590 |
1591 // If no heap maximum was requested explicitly, use some reasonable fraction | |
1592 // of the physical memory, up to a maximum of 1GB. | |
7471
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
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7453
diff
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|
1593 FLAG_SET_DEFAULT(ParallelGCThreads, |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
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diff
changeset
|
1594 Abstract_VM_Version::parallel_worker_threads()); |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
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7453
diff
changeset
|
1595 if (ParallelGCThreads == 0) { |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
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7453
diff
changeset
|
1596 jio_fprintf(defaultStream::error_stream(), |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
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7453
diff
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|
1597 "The Parallel GC can not be combined with -XX:ParallelGCThreads=0\n"); |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
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7453
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|
1598 vm_exit(1); |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
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7453
diff
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|
1599 } |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
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7453
diff
changeset
|
1600 |
17648
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
1601 if (UseAdaptiveSizePolicy) { |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
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17628
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|
1602 // We don't want to limit adaptive heap sizing's freedom to adjust the heap |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
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17628
diff
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|
1603 // unless the user actually sets these flags. |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
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17628
diff
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|
1604 if (FLAG_IS_DEFAULT(MinHeapFreeRatio)) { |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
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17628
diff
changeset
|
1605 FLAG_SET_DEFAULT(MinHeapFreeRatio, 0); |
20345
f933a15469d4
8055006: Store original value of Min/MaxHeapFreeRatio
jwilhelm
parents:
20317
diff
changeset
|
1606 _min_heap_free_ratio = MinHeapFreeRatio; |
17648
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
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17628
diff
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|
1607 } |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
1608 if (FLAG_IS_DEFAULT(MaxHeapFreeRatio)) { |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
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17628
diff
changeset
|
1609 FLAG_SET_DEFAULT(MaxHeapFreeRatio, 100); |
20345
f933a15469d4
8055006: Store original value of Min/MaxHeapFreeRatio
jwilhelm
parents:
20317
diff
changeset
|
1610 _max_heap_free_ratio = MaxHeapFreeRatio; |
17648
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
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17628
diff
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|
1611 } |
a034dc5e910b
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17628
diff
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|
1612 } |
7471
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
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7453
diff
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|
1613 |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
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7453
diff
changeset
|
1614 // If InitialSurvivorRatio or MinSurvivorRatio were not specified, but the |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
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7453
diff
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|
1615 // SurvivorRatio has been set, reset their default values to SurvivorRatio + |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
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7453
diff
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|
1616 // 2. By doing this we make SurvivorRatio also work for Parallel Scavenger. |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
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|
1617 // See CR 6362902 for details. |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
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7453
diff
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|
1618 if (!FLAG_IS_DEFAULT(SurvivorRatio)) { |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
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7453
diff
changeset
|
1619 if (FLAG_IS_DEFAULT(InitialSurvivorRatio)) { |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
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7453
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|
1620 FLAG_SET_DEFAULT(InitialSurvivorRatio, SurvivorRatio + 2); |
0 | 1621 } |
7471
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
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7453
diff
changeset
|
1622 if (FLAG_IS_DEFAULT(MinSurvivorRatio)) { |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
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7453
diff
changeset
|
1623 FLAG_SET_DEFAULT(MinSurvivorRatio, SurvivorRatio + 2); |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
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7453
diff
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|
1624 } |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1625 } |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1626 |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
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7453
diff
changeset
|
1627 if (UseParallelOldGC) { |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
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7453
diff
changeset
|
1628 // Par compact uses lower default values since they are treated as |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
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7453
diff
changeset
|
1629 // minimums. These are different defaults because of the different |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
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7453
diff
changeset
|
1630 // interpretation and are not ergonomically set. |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1631 if (FLAG_IS_DEFAULT(MarkSweepDeadRatio)) { |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
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7453
diff
changeset
|
1632 FLAG_SET_DEFAULT(MarkSweepDeadRatio, 1); |
0 | 1633 } |
1634 } | |
1635 } | |
1636 | |
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
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diff
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|
1637 void Arguments::set_g1_gc_flags() { |
37f87013dfd8
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135
diff
changeset
|
1638 assert(UseG1GC, "Error"); |
37f87013dfd8
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135
diff
changeset
|
1639 #ifdef COMPILER1 |
37f87013dfd8
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135
diff
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|
1640 FastTLABRefill = false; |
37f87013dfd8
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135
diff
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|
1641 #endif |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
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135
diff
changeset
|
1642 FLAG_SET_DEFAULT(ParallelGCThreads, |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
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135
diff
changeset
|
1643 Abstract_VM_Version::parallel_worker_threads()); |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
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135
diff
changeset
|
1644 if (ParallelGCThreads == 0) { |
37f87013dfd8
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135
diff
changeset
|
1645 FLAG_SET_DEFAULT(ParallelGCThreads, |
751 | 1646 Abstract_VM_Version::parallel_worker_threads()); |
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
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diff
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|
1647 } |
751 | 1648 |
7397
442f942757c0
8000244: G1: Ergonomically set MarkStackSize and use virtual space for global marking stack
johnc
parents:
7177
diff
changeset
|
1649 // MarkStackSize will be set (if it hasn't been set by the user) |
442f942757c0
8000244: G1: Ergonomically set MarkStackSize and use virtual space for global marking stack
johnc
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7177
diff
changeset
|
1650 // when concurrent marking is initialized. |
442f942757c0
8000244: G1: Ergonomically set MarkStackSize and use virtual space for global marking stack
johnc
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7177
diff
changeset
|
1651 // Its value will be based upon the number of parallel marking threads. |
442f942757c0
8000244: G1: Ergonomically set MarkStackSize and use virtual space for global marking stack
johnc
parents:
7177
diff
changeset
|
1652 // But we do set the maximum mark stack size here. |
442f942757c0
8000244: G1: Ergonomically set MarkStackSize and use virtual space for global marking stack
johnc
parents:
7177
diff
changeset
|
1653 if (FLAG_IS_DEFAULT(MarkStackSizeMax)) { |
442f942757c0
8000244: G1: Ergonomically set MarkStackSize and use virtual space for global marking stack
johnc
parents:
7177
diff
changeset
|
1654 FLAG_SET_DEFAULT(MarkStackSizeMax, 128 * TASKQUEUE_SIZE); |
1284 | 1655 } |
1356 | 1656 |
1657 if (FLAG_IS_DEFAULT(GCTimeRatio) || GCTimeRatio == 0) { | |
1658 // In G1, we want the default GC overhead goal to be higher than | |
1659 // say in PS. So we set it here to 10%. Otherwise the heap might | |
1660 // be expanded more aggressively than we would like it to. In | |
1661 // fact, even 10% seems to not be high enough in some cases | |
1662 // (especially small GC stress tests that the main thing they do | |
1663 // is allocation). We might consider increase it further. | |
1664 FLAG_SET_DEFAULT(GCTimeRatio, 9); | |
1665 } | |
7397
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1666 |
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1667 if (PrintGCDetails && Verbose) { |
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1668 tty->print_cr("MarkStackSize: %uk MarkStackSizeMax: %uk", |
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1669 (unsigned int) (MarkStackSize / K), (uint) (MarkStackSizeMax / K)); |
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1670 tty->print_cr("ConcGCThreads: %u", (uint) ConcGCThreads); |
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1671 } |
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1672 } |
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1673 |
20403
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1674 #if !INCLUDE_ALL_GCS |
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1675 #ifdef ASSERT |
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1676 static bool verify_serial_gc_flags() { |
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1677 return (UseSerialGC && |
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1678 !(UseParNewGC || (UseConcMarkSweepGC || CMSIncrementalMode) || UseG1GC || |
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1679 UseParallelGC || UseParallelOldGC)); |
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|
1680 } |
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|
1681 #endif // ASSERT |
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|
1682 #endif // INCLUDE_ALL_GCS |
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1683 |
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|
1684 void Arguments::set_gc_specific_flags() { |
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|
1685 #if INCLUDE_ALL_GCS |
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|
1686 // Set per-collector flags |
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|
1687 if (UseParallelGC || UseParallelOldGC) { |
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|
1688 set_parallel_gc_flags(); |
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1689 } else if (UseConcMarkSweepGC) { // Should be done before ParNew check below |
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1690 set_cms_and_parnew_gc_flags(); |
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1691 } else if (UseParNewGC) { // Skipped if CMS is set above |
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1692 set_parnew_gc_flags(); |
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|
1693 } else if (UseG1GC) { |
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|
1694 set_g1_gc_flags(); |
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|
1695 } |
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|
1696 check_deprecated_gcs(); |
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|
1697 check_deprecated_gc_flags(); |
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|
1698 if (AssumeMP && !UseSerialGC) { |
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|
1699 if (FLAG_IS_DEFAULT(ParallelGCThreads) && ParallelGCThreads == 1) { |
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1700 warning("If the number of processors is expected to increase from one, then" |
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|
1701 " you should configure the number of parallel GC threads appropriately" |
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|
1702 " using -XX:ParallelGCThreads=N"); |
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|
1703 } |
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|
1704 } |
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|
1705 if (MinHeapFreeRatio == 100) { |
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|
1706 // Keeping the heap 100% free is hard ;-) so limit it to 99%. |
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1707 FLAG_SET_ERGO(uintx, MinHeapFreeRatio, 99); |
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|
1708 } |
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|
1709 #else // INCLUDE_ALL_GCS |
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1710 assert(verify_serial_gc_flags(), "SerialGC unset"); |
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|
1711 #endif // INCLUDE_ALL_GCS |
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|
1712 } |
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|
1713 |
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1714 julong Arguments::limit_by_allocatable_memory(julong limit) { |
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1715 julong max_allocatable; |
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1716 julong result = limit; |
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|
1717 if (os::has_allocatable_memory_limit(&max_allocatable)) { |
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1718 result = MIN2(result, max_allocatable / MaxVirtMemFraction); |
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|
1719 } |
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|
1720 return result; |
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|
1721 } |
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|
1722 |
1064 | 1723 void Arguments::set_heap_size() { |
1724 if (!FLAG_IS_DEFAULT(DefaultMaxRAMFraction)) { | |
1725 // Deprecated flag | |
1726 FLAG_SET_CMDLINE(uintx, MaxRAMFraction, DefaultMaxRAMFraction); | |
1727 } | |
1728 | |
1729 const julong phys_mem = | |
1730 FLAG_IS_DEFAULT(MaxRAM) ? MIN2(os::physical_memory(), (julong)MaxRAM) | |
1731 : (julong)MaxRAM; | |
1732 | |
1733 // If the maximum heap size has not been set with -Xmx, | |
1734 // then set it as fraction of the size of physical memory, | |
1735 // respecting the maximum and minimum sizes of the heap. | |
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1736 if (FLAG_IS_DEFAULT(MaxHeapSize)) { |
1064 | 1737 julong reasonable_max = phys_mem / MaxRAMFraction; |
1738 | |
1739 if (phys_mem <= MaxHeapSize * MinRAMFraction) { | |
1740 // Small physical memory, so use a minimum fraction of it for the heap | |
1741 reasonable_max = phys_mem / MinRAMFraction; | |
1742 } else { | |
1743 // Not-small physical memory, so require a heap at least | |
1744 // as large as MaxHeapSize | |
1745 reasonable_max = MAX2(reasonable_max, (julong)MaxHeapSize); | |
1746 } | |
1747 if (!FLAG_IS_DEFAULT(ErgoHeapSizeLimit) && ErgoHeapSizeLimit != 0) { | |
1748 // Limit the heap size to ErgoHeapSizeLimit | |
1749 reasonable_max = MIN2(reasonable_max, (julong)ErgoHeapSizeLimit); | |
342
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1750 } |
1064 | 1751 if (UseCompressedOops) { |
1752 // Limit the heap size to the maximum possible when using compressed oops | |
1963 | 1753 julong max_coop_heap = (julong)max_heap_for_compressed_oops(); |
1754 if (HeapBaseMinAddress + MaxHeapSize < max_coop_heap) { | |
1755 // Heap should be above HeapBaseMinAddress to get zero based compressed oops | |
1756 // but it should be not less than default MaxHeapSize. | |
1757 max_coop_heap -= HeapBaseMinAddress; | |
1758 } | |
1759 reasonable_max = MIN2(reasonable_max, max_coop_heap); | |
1064 | 1760 } |
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|
1761 reasonable_max = limit_by_allocatable_memory(reasonable_max); |
1064 | 1762 |
1763 if (!FLAG_IS_DEFAULT(InitialHeapSize)) { | |
1764 // An initial heap size was specified on the command line, | |
1765 // so be sure that the maximum size is consistent. Done | |
8854
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|
1766 // after call to limit_by_allocatable_memory because that |
1064 | 1767 // method might reduce the allocation size. |
1768 reasonable_max = MAX2(reasonable_max, (julong)InitialHeapSize); | |
1769 } | |
1770 | |
342
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1771 if (PrintGCDetails && Verbose) { |
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|
1772 // Cannot use gclog_or_tty yet. |
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|
1773 tty->print_cr(" Maximum heap size " SIZE_FORMAT, (size_t) reasonable_max); |
342
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1774 } |
1064 | 1775 FLAG_SET_ERGO(uintx, MaxHeapSize, (uintx)reasonable_max); |
1776 } | |
1777 | |
10241
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1778 // If the minimum or initial heap_size have not been set or requested to be set |
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1779 // ergonomically, set them accordingly. |
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|
1780 if (InitialHeapSize == 0 || min_heap_size() == 0) { |
1074
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diff
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|
1781 julong reasonable_minimum = (julong)(OldSize + NewSize); |
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6900899: vm fails to start when -Xmx value is less than OldSize + NewSize
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|
1782 |
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|
1783 reasonable_minimum = MIN2(reasonable_minimum, (julong)MaxHeapSize); |
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|
1784 |
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|
1785 reasonable_minimum = limit_by_allocatable_memory(reasonable_minimum); |
1074
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|
1786 |
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1787 if (InitialHeapSize == 0) { |
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|
1788 julong reasonable_initial = phys_mem / InitialRAMFraction; |
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|
1789 |
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1790 reasonable_initial = MAX3(reasonable_initial, reasonable_minimum, (julong)min_heap_size()); |
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1791 reasonable_initial = MIN2(reasonable_initial, (julong)MaxHeapSize); |
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|
1792 |
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|
1793 reasonable_initial = limit_by_allocatable_memory(reasonable_initial); |
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|
1794 |
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|
1795 if (PrintGCDetails && Verbose) { |
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|
1796 // Cannot use gclog_or_tty yet. |
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|
1797 tty->print_cr(" Initial heap size " SIZE_FORMAT, (uintx)reasonable_initial); |
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|
1798 } |
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|
1799 FLAG_SET_ERGO(uintx, InitialHeapSize, (uintx)reasonable_initial); |
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|
1800 } |
10241
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|
1801 // If the minimum heap size has not been set (via -Xms), |
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|
1802 // synchronize with InitialHeapSize to avoid errors with the default value. |
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1803 if (min_heap_size() == 0) { |
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|
1804 set_min_heap_size(MIN2((uintx)reasonable_minimum, InitialHeapSize)); |
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|
1805 if (PrintGCDetails && Verbose) { |
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|
1806 // Cannot use gclog_or_tty yet. |
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|
1807 tty->print_cr(" Minimum heap size " SIZE_FORMAT, min_heap_size()); |
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|
1808 } |
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|
1809 } |
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1810 } |
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|
1811 } |
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|
1812 |
0 | 1813 // This must be called after ergonomics because we want bytecode rewriting |
1814 // if the server compiler is used, or if UseSharedSpaces is disabled. | |
1815 void Arguments::set_bytecode_flags() { | |
1816 // Better not attempt to store into a read-only space. | |
1817 if (UseSharedSpaces) { | |
1818 FLAG_SET_DEFAULT(RewriteBytecodes, false); | |
1819 FLAG_SET_DEFAULT(RewriteFrequentPairs, false); | |
1820 } | |
1821 | |
1822 if (!RewriteBytecodes) { | |
1823 FLAG_SET_DEFAULT(RewriteFrequentPairs, false); | |
1824 } | |
1825 } | |
1826 | |
1827 // Aggressive optimization flags -XX:+AggressiveOpts | |
1828 void Arguments::set_aggressive_opts_flags() { | |
17
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|
1829 #ifdef COMPILER2 |
10278 | 1830 if (AggressiveUnboxing) { |
1831 if (FLAG_IS_DEFAULT(EliminateAutoBox)) { | |
1832 FLAG_SET_DEFAULT(EliminateAutoBox, true); | |
1833 } else if (!EliminateAutoBox) { | |
1834 // warning("AggressiveUnboxing is disabled because EliminateAutoBox is disabled"); | |
1835 AggressiveUnboxing = false; | |
1836 } | |
1837 if (FLAG_IS_DEFAULT(DoEscapeAnalysis)) { | |
1838 FLAG_SET_DEFAULT(DoEscapeAnalysis, true); | |
1839 } else if (!DoEscapeAnalysis) { | |
1840 // warning("AggressiveUnboxing is disabled because DoEscapeAnalysis is disabled"); | |
1841 AggressiveUnboxing = false; | |
1842 } | |
1843 } | |
17
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|
1844 if (AggressiveOpts || !FLAG_IS_DEFAULT(AutoBoxCacheMax)) { |
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|
1845 if (FLAG_IS_DEFAULT(EliminateAutoBox)) { |
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1846 FLAG_SET_DEFAULT(EliminateAutoBox, true); |
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1847 } |
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1848 if (FLAG_IS_DEFAULT(AutoBoxCacheMax)) { |
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1849 FLAG_SET_DEFAULT(AutoBoxCacheMax, 20000); |
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1850 } |
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1851 |
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1852 // Feed the cache size setting into the JDK |
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1853 char buffer[1024]; |
513
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1854 sprintf(buffer, "java.lang.Integer.IntegerCache.high=" INTX_FORMAT, AutoBoxCacheMax); |
17
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1855 add_property(buffer); |
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1856 } |
416
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1857 if (AggressiveOpts && FLAG_IS_DEFAULT(BiasedLockingStartupDelay)) { |
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1858 FLAG_SET_DEFAULT(BiasedLockingStartupDelay, 500); |
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1859 } |
17
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1860 #endif |
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1861 |
0 | 1862 if (AggressiveOpts) { |
61 | 1863 // Sample flag setting code |
1864 // if (FLAG_IS_DEFAULT(EliminateZeroing)) { | |
1865 // FLAG_SET_DEFAULT(EliminateZeroing, true); | |
1866 // } | |
0 | 1867 } |
1868 } | |
1869 | |
1870 //=========================================================================================================== | |
1871 // Parsing of java.compiler property | |
1872 | |
1873 void Arguments::process_java_compiler_argument(char* arg) { | |
1874 // For backwards compatibility, Djava.compiler=NONE or "" | |
1875 // causes us to switch to -Xint mode UNLESS -Xdebug | |
1876 // is also specified. | |
1877 if (strlen(arg) == 0 || strcasecmp(arg, "NONE") == 0) { | |
1878 set_java_compiler(true); // "-Djava.compiler[=...]" most recently seen. | |
1879 } | |
1880 } | |
1881 | |
1882 void Arguments::process_java_launcher_argument(const char* launcher, void* extra_info) { | |
1883 _sun_java_launcher = strdup(launcher); | |
2302
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1884 if (strcmp("gamma", _sun_java_launcher) == 0) { |
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1885 _created_by_gamma_launcher = true; |
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1886 } |
0 | 1887 } |
1888 | |
1889 bool Arguments::created_by_java_launcher() { | |
1890 assert(_sun_java_launcher != NULL, "property must have value"); | |
1891 return strcmp(DEFAULT_JAVA_LAUNCHER, _sun_java_launcher) != 0; | |
1892 } | |
1893 | |
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1894 bool Arguments::created_by_gamma_launcher() { |
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1895 return _created_by_gamma_launcher; |
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1896 } |
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1897 |
0 | 1898 //=========================================================================================================== |
1899 // Parsing of main arguments | |
1900 | |
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1901 bool Arguments::verify_interval(uintx val, uintx min, |
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1902 uintx max, const char* name) { |
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1903 // Returns true iff value is in the inclusive interval [min..max] |
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1904 // false, otherwise. |
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1905 if (val >= min && val <= max) { |
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1906 return true; |
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1907 } |
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1908 jio_fprintf(defaultStream::error_stream(), |
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1909 "%s of " UINTX_FORMAT " is invalid; must be between " UINTX_FORMAT |
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1910 " and " UINTX_FORMAT "\n", |
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1911 name, val, min, max); |
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1912 return false; |
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1913 } |
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1914 |
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1915 bool Arguments::verify_min_value(intx val, intx min, const char* name) { |
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1916 // Returns true if given value is at least specified min threshold |
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1917 // false, otherwise. |
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1918 if (val >= min ) { |
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1919 return true; |
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1920 } |
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1921 jio_fprintf(defaultStream::error_stream(), |
2366
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1922 "%s of " INTX_FORMAT " is invalid; must be at least " INTX_FORMAT "\n", |
1744
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1923 name, val, min); |
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1924 return false; |
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1925 } |
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1926 |
0 | 1927 bool Arguments::verify_percentage(uintx value, const char* name) { |
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1928 if (is_percentage(value)) { |
0 | 1929 return true; |
1930 } | |
1931 jio_fprintf(defaultStream::error_stream(), | |
1932 "%s of " UINTX_FORMAT " is invalid; must be between 0 and 100\n", | |
1933 name, value); | |
1934 return false; | |
1935 } | |
1936 | |
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1937 // check if do gclog rotation |
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1938 // +UseGCLogFileRotation is a must, |
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1939 // no gc log rotation when log file not supplied or |
17827 | 1940 // NumberOfGCLogFiles is 0 |
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1941 void check_gclog_consistency() { |
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1942 if (UseGCLogFileRotation) { |
17827 | 1943 if ((Arguments::gc_log_filename() == NULL) || (NumberOfGCLogFiles == 0)) { |
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1944 jio_fprintf(defaultStream::output_stream(), |
17827 | 1945 "To enable GC log rotation, use -Xloggc:<filename> -XX:+UseGCLogFileRotation -XX:NumberOfGCLogFiles=<num_of_files>\n" |
1946 "where num_of_file > 0\n" | |
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1947 "GC log rotation is turned off\n"); |
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1948 UseGCLogFileRotation = false; |
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1949 } |
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1950 } |
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1951 |
17827 | 1952 if (UseGCLogFileRotation && (GCLogFileSize != 0) && (GCLogFileSize < 8*K)) { |
1953 FLAG_SET_CMDLINE(uintx, GCLogFileSize, 8*K); | |
1954 jio_fprintf(defaultStream::output_stream(), | |
1955 "GCLogFileSize changed to minimum 8K\n"); | |
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1956 } |
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1957 } |
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1958 |
12215 | 1959 // This function is called for -Xloggc:<filename>, it can be used |
1960 // to check if a given file name(or string) conforms to the following | |
1961 // specification: | |
1962 // A valid string only contains "[A-Z][a-z][0-9].-_%[p|t]" | |
1963 // %p and %t only allowed once. We only limit usage of filename not path | |
1964 bool is_filename_valid(const char *file_name) { | |
1965 const char* p = file_name; | |
1966 char file_sep = os::file_separator()[0]; | |
1967 const char* cp; | |
1968 // skip prefix path | |
1969 for (cp = file_name; *cp != '\0'; cp++) { | |
1970 if (*cp == '/' || *cp == file_sep) { | |
1971 p = cp + 1; | |
1972 } | |
1973 } | |
1974 | |
1975 int count_p = 0; | |
1976 int count_t = 0; | |
1977 while (*p != '\0') { | |
1978 if ((*p >= '0' && *p <= '9') || | |
1979 (*p >= 'A' && *p <= 'Z') || | |
1980 (*p >= 'a' && *p <= 'z') || | |
1981 *p == '-' || | |
1982 *p == '_' || | |
1983 *p == '.') { | |
1984 p++; | |
1985 continue; | |
1986 } | |
1987 if (*p == '%') { | |
1988 if(*(p + 1) == 'p') { | |
1989 p += 2; | |
1990 count_p ++; | |
1991 continue; | |
1992 } | |
1993 if (*(p + 1) == 't') { | |
1994 p += 2; | |
1995 count_t ++; | |
1996 continue; | |
1997 } | |
1998 } | |
1999 return false; | |
2000 } | |
2001 return count_p < 2 && count_t < 2; | |
2002 } | |
2003 | |
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2004 bool Arguments::verify_MinHeapFreeRatio(FormatBuffer<80>& err_msg, uintx min_heap_free_ratio) { |
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2005 if (!is_percentage(min_heap_free_ratio)) { |
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2006 err_msg.print("MinHeapFreeRatio must have a value between 0 and 100"); |
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2007 return false; |
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2008 } |
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2009 if (min_heap_free_ratio > MaxHeapFreeRatio) { |
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2010 err_msg.print("MinHeapFreeRatio (" UINTX_FORMAT ") must be less than or " |
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2011 "equal to MaxHeapFreeRatio (" UINTX_FORMAT ")", min_heap_free_ratio, |
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2012 MaxHeapFreeRatio); |
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2013 return false; |
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2014 } |
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2015 // This does not set the flag itself, but stores the value in a safe place for later usage. |
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2016 _min_heap_free_ratio = min_heap_free_ratio; |
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2017 return true; |
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2018 } |
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2019 |
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2020 bool Arguments::verify_MaxHeapFreeRatio(FormatBuffer<80>& err_msg, uintx max_heap_free_ratio) { |
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2021 if (!is_percentage(max_heap_free_ratio)) { |
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2022 err_msg.print("MaxHeapFreeRatio must have a value between 0 and 100"); |
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2023 return false; |
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2024 } |
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2025 if (max_heap_free_ratio < MinHeapFreeRatio) { |
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2026 err_msg.print("MaxHeapFreeRatio (" UINTX_FORMAT ") must be greater than or " |
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2027 "equal to MinHeapFreeRatio (" UINTX_FORMAT ")", max_heap_free_ratio, |
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2028 MinHeapFreeRatio); |
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2029 return false; |
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2030 } |
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2031 // This does not set the flag itself, but stores the value in a safe place for later usage. |
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2032 _max_heap_free_ratio = max_heap_free_ratio; |
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2033 return true; |
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|
2034 } |
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2035 |
10
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|
2036 // Check consistency of GC selection |
20408
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2037 bool Arguments::check_gc_consistency_user() { |
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2038 check_gclog_consistency(); |
10
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6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2039 bool status = true; |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2040 // Ensure that the user has not selected conflicting sets |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2041 // of collectors. [Note: this check is merely a user convenience; |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2042 // collectors over-ride each other so that only a non-conflicting |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2043 // set is selected; however what the user gets is not what they |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2044 // may have expected from the combination they asked for. It's |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2045 // better to reduce user confusion by not allowing them to |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2046 // select conflicting combinations. |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2047 uint i = 0; |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2048 if (UseSerialGC) i++; |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2049 if (UseConcMarkSweepGC || UseParNewGC) i++; |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2050 if (UseParallelGC || UseParallelOldGC) i++; |
845
df6caf649ff7
6700789: G1: Enable use of compressed oops with G1 heaps
ysr
parents:
751
diff
changeset
|
2051 if (UseG1GC) i++; |
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2052 if (i > 1) { |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2053 jio_fprintf(defaultStream::error_stream(), |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2054 "Conflicting collector combinations in option list; " |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2055 "please refer to the release notes for the combinations " |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2056 "allowed\n"); |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2057 status = false; |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2058 } |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2059 return status; |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2060 } |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2061 |
7452
e0ab18eafbde
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
7451
diff
changeset
|
2062 void Arguments::check_deprecated_gcs() { |
e0ab18eafbde
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
7451
diff
changeset
|
2063 if (UseConcMarkSweepGC && !UseParNewGC) { |
e0ab18eafbde
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
7451
diff
changeset
|
2064 warning("Using the DefNew young collector with the CMS collector is deprecated " |
e0ab18eafbde
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
7451
diff
changeset
|
2065 "and will likely be removed in a future release"); |
e0ab18eafbde
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
7451
diff
changeset
|
2066 } |
e0ab18eafbde
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
7451
diff
changeset
|
2067 |
e0ab18eafbde
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
7451
diff
changeset
|
2068 if (UseParNewGC && !UseConcMarkSweepGC) { |
e0ab18eafbde
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
7451
diff
changeset
|
2069 // !UseConcMarkSweepGC means that we are using serial old gc. Unfortunately we don't |
e0ab18eafbde
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
7451
diff
changeset
|
2070 // set up UseSerialGC properly, so that can't be used in the check here. |
e0ab18eafbde
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
7451
diff
changeset
|
2071 warning("Using the ParNew young collector with the Serial old collector is deprecated " |
e0ab18eafbde
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
7451
diff
changeset
|
2072 "and will likely be removed in a future release"); |
e0ab18eafbde
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
7451
diff
changeset
|
2073 } |
7453 | 2074 |
2075 if (CMSIncrementalMode) { | |
2076 warning("Using incremental CMS is deprecated and will likely be removed in a future release"); | |
2077 } | |
7452
e0ab18eafbde
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
7451
diff
changeset
|
2078 } |
e0ab18eafbde
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
7451
diff
changeset
|
2079 |
8734 | 2080 void Arguments::check_deprecated_gc_flags() { |
2081 if (FLAG_IS_CMDLINE(MaxGCMinorPauseMillis)) { | |
2082 warning("Using MaxGCMinorPauseMillis as minor pause goal is deprecated" | |
2083 "and will likely be removed in future release"); | |
2084 } | |
11977 | 2085 if (FLAG_IS_CMDLINE(DefaultMaxRAMFraction)) { |
2086 warning("DefaultMaxRAMFraction is deprecated and will likely be removed in a future release. " | |
2087 "Use MaxRAMFraction instead."); | |
2088 } | |
13008
3b3133d93fb6
8027132: Print deprecation warning message for the flags controlling the CMS foreground collector
brutisso
parents:
12976
diff
changeset
|
2089 if (FLAG_IS_CMDLINE(UseCMSCompactAtFullCollection)) { |
3b3133d93fb6
8027132: Print deprecation warning message for the flags controlling the CMS foreground collector
brutisso
parents:
12976
diff
changeset
|
2090 warning("UseCMSCompactAtFullCollection is deprecated and will likely be removed in a future release."); |
3b3133d93fb6
8027132: Print deprecation warning message for the flags controlling the CMS foreground collector
brutisso
parents:
12976
diff
changeset
|
2091 } |
3b3133d93fb6
8027132: Print deprecation warning message for the flags controlling the CMS foreground collector
brutisso
parents:
12976
diff
changeset
|
2092 if (FLAG_IS_CMDLINE(CMSFullGCsBeforeCompaction)) { |
3b3133d93fb6
8027132: Print deprecation warning message for the flags controlling the CMS foreground collector
brutisso
parents:
12976
diff
changeset
|
2093 warning("CMSFullGCsBeforeCompaction is deprecated and will likely be removed in a future release."); |
3b3133d93fb6
8027132: Print deprecation warning message for the flags controlling the CMS foreground collector
brutisso
parents:
12976
diff
changeset
|
2094 } |
3b3133d93fb6
8027132: Print deprecation warning message for the flags controlling the CMS foreground collector
brutisso
parents:
12976
diff
changeset
|
2095 if (FLAG_IS_CMDLINE(UseCMSCollectionPassing)) { |
3b3133d93fb6
8027132: Print deprecation warning message for the flags controlling the CMS foreground collector
brutisso
parents:
12976
diff
changeset
|
2096 warning("UseCMSCollectionPassing is deprecated and will likely be removed in a future release."); |
3b3133d93fb6
8027132: Print deprecation warning message for the flags controlling the CMS foreground collector
brutisso
parents:
12976
diff
changeset
|
2097 } |
8734 | 2098 } |
2099 | |
1744
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
2100 // Check stack pages settings |
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
2101 bool Arguments::check_stack_pages() |
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
2102 { |
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
2103 bool status = true; |
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
2104 status = status && verify_min_value(StackYellowPages, 1, "StackYellowPages"); |
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
2105 status = status && verify_min_value(StackRedPages, 1, "StackRedPages"); |
1867
b6aedd1acdc0
6983240: guarantee((Solaris::min_stack_allowed >= (StackYellowPages+StackRedPages...) wrong
coleenp
parents:
1864
diff
changeset
|
2106 // greater stack shadow pages can't generate instruction to bang stack |
b6aedd1acdc0
6983240: guarantee((Solaris::min_stack_allowed >= (StackYellowPages+StackRedPages...) wrong
coleenp
parents:
1864
diff
changeset
|
2107 status = status && verify_interval(StackShadowPages, 1, 50, "StackShadowPages"); |
1744
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
2108 return status; |
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
2109 } |
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
2110 |
0 | 2111 // Check the consistency of vm_init_args |
2112 bool Arguments::check_vm_args_consistency() { | |
2113 // Method for adding checks for flag consistency. | |
2114 // The intent is to warn the user of all possible conflicts, | |
2115 // before returning an error. | |
2116 // Note: Needs platform-dependent factoring. | |
2117 bool status = true; | |
2118 | |
2119 // Allow both -XX:-UseStackBanging and -XX:-UseBoundThreads in non-product | |
2120 // builds so the cost of stack banging can be measured. | |
2121 #if (defined(PRODUCT) && defined(SOLARIS)) | |
2122 if (!UseBoundThreads && !UseStackBanging) { | |
2123 jio_fprintf(defaultStream::error_stream(), | |
2124 "-UseStackBanging conflicts with -UseBoundThreads\n"); | |
2125 | |
2126 status = false; | |
2127 } | |
2128 #endif | |
2129 | |
2130 if (TLABRefillWasteFraction == 0) { | |
2131 jio_fprintf(defaultStream::error_stream(), | |
2132 "TLABRefillWasteFraction should be a denominator, " | |
2133 "not " SIZE_FORMAT "\n", | |
2134 TLABRefillWasteFraction); | |
2135 status = false; | |
2136 } | |
2137 | |
10287
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2138 status = status && verify_interval(AdaptiveSizePolicyWeight, 0, 100, |
0 | 2139 "AdaptiveSizePolicyWeight"); |
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2140 status = status && verify_percentage(ThresholdTolerance, "ThresholdTolerance"); |
0 | 2141 |
6982
e4f764ddb06a
7122219: Passed StringTableSize value not verified
hseigel
parents:
6928
diff
changeset
|
2142 // Divide by bucket size to prevent a large size from causing rollover when |
e4f764ddb06a
7122219: Passed StringTableSize value not verified
hseigel
parents:
6928
diff
changeset
|
2143 // calculating amount of memory needed to be allocated for the String table. |
10126
63e31ce40bdb
8009928: PSR:PERF Increase default string table size
hseigel
parents:
9077
diff
changeset
|
2144 status = status && verify_interval(StringTableSize, minimumStringTableSize, |
6982
e4f764ddb06a
7122219: Passed StringTableSize value not verified
hseigel
parents:
6928
diff
changeset
|
2145 (max_uintx / StringTable::bucket_size()), "StringTable size"); |
e4f764ddb06a
7122219: Passed StringTableSize value not verified
hseigel
parents:
6928
diff
changeset
|
2146 |
12825
c90e76575b03
8019375: Internal symbol table size should be tunable.
kevinw
parents:
12326
diff
changeset
|
2147 status = status && verify_interval(SymbolTableSize, minimumSymbolTableSize, |
c90e76575b03
8019375: Internal symbol table size should be tunable.
kevinw
parents:
12326
diff
changeset
|
2148 (max_uintx / SymbolTable::bucket_size()), "SymbolTable size"); |
c90e76575b03
8019375: Internal symbol table size should be tunable.
kevinw
parents:
12326
diff
changeset
|
2149 |
17648
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
2150 { |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
2151 // Using "else if" below to avoid printing two error messages if min > max. |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
2152 // This will also prevent us from reporting both min>100 and max>100 at the |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
2153 // same time, but that is less annoying than printing two identical errors IMHO. |
17937
78bbf4d43a14
8037816: Fix for 8036122 breaks build with Xcode5/clang
drchase
parents:
17906
diff
changeset
|
2154 FormatBuffer<80> err_msg("%s",""); |
17648
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
2155 if (!verify_MinHeapFreeRatio(err_msg, MinHeapFreeRatio)) { |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
2156 jio_fprintf(defaultStream::error_stream(), "%s\n", err_msg.buffer()); |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
2157 status = false; |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
2158 } else if (!verify_MaxHeapFreeRatio(err_msg, MaxHeapFreeRatio)) { |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
2159 jio_fprintf(defaultStream::error_stream(), "%s\n", err_msg.buffer()); |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
2160 status = false; |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
2161 } |
0 | 2162 } |
2163 | |
8040
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2164 // Min/MaxMetaspaceFreeRatio |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2165 status = status && verify_percentage(MinMetaspaceFreeRatio, "MinMetaspaceFreeRatio"); |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2166 status = status && verify_percentage(MaxMetaspaceFreeRatio, "MaxMetaspaceFreeRatio"); |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2167 |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2168 if (MinMetaspaceFreeRatio > MaxMetaspaceFreeRatio) { |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2169 jio_fprintf(defaultStream::error_stream(), |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2170 "MinMetaspaceFreeRatio (%s" UINTX_FORMAT ") must be less than or " |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2171 "equal to MaxMetaspaceFreeRatio (%s" UINTX_FORMAT ")\n", |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2172 FLAG_IS_DEFAULT(MinMetaspaceFreeRatio) ? "Default: " : "", |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2173 MinMetaspaceFreeRatio, |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2174 FLAG_IS_DEFAULT(MaxMetaspaceFreeRatio) ? "Default: " : "", |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2175 MaxMetaspaceFreeRatio); |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2176 status = false; |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2177 } |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2178 |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2179 // Trying to keep 100% free is not practical |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2180 MinMetaspaceFreeRatio = MIN2(MinMetaspaceFreeRatio, (uintx) 99); |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2181 |
0 | 2182 if (FullGCALot && FLAG_IS_DEFAULT(MarkSweepAlwaysCompactCount)) { |
2183 MarkSweepAlwaysCompactCount = 1; // Move objects every gc. | |
2184 } | |
2185 | |
483
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2186 if (UseParallelOldGC && ParallelOldGCSplitALot) { |
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2187 // Settings to encourage splitting. |
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2188 if (!FLAG_IS_CMDLINE(NewRatio)) { |
8035 | 2189 FLAG_SET_CMDLINE(uintx, NewRatio, 2); |
483
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2190 } |
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2191 if (!FLAG_IS_CMDLINE(ScavengeBeforeFullGC)) { |
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2192 FLAG_SET_CMDLINE(bool, ScavengeBeforeFullGC, false); |
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2193 } |
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2194 } |
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2195 |
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2196 status = status && verify_percentage(GCHeapFreeLimit, "GCHeapFreeLimit"); |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2197 status = status && verify_percentage(GCTimeLimit, "GCTimeLimit"); |
0 | 2198 if (GCTimeLimit == 100) { |
2199 // Turn off gc-overhead-limit-exceeded checks | |
2200 FLAG_SET_DEFAULT(UseGCOverheadLimit, false); | |
2201 } | |
2202 | |
20408
76af788b6c16
8057623: add an extension class for argument handling
jcoomes
parents:
20403
diff
changeset
|
2203 status = status && ArgumentsExt::check_gc_consistency_user(); |
1744
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
2204 status = status && check_stack_pages(); |
0 | 2205 |
2206 if (CMSIncrementalMode) { | |
2207 if (!UseConcMarkSweepGC) { | |
2208 jio_fprintf(defaultStream::error_stream(), | |
2209 "error: invalid argument combination.\n" | |
2210 "The CMS collector (-XX:+UseConcMarkSweepGC) must be " | |
2211 "selected in order\nto use CMSIncrementalMode.\n"); | |
2212 status = false; | |
2213 } else { | |
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2214 status = status && verify_percentage(CMSIncrementalDutyCycle, |
0 | 2215 "CMSIncrementalDutyCycle"); |
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2216 status = status && verify_percentage(CMSIncrementalDutyCycleMin, |
0 | 2217 "CMSIncrementalDutyCycleMin"); |
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2218 status = status && verify_percentage(CMSIncrementalSafetyFactor, |
0 | 2219 "CMSIncrementalSafetyFactor"); |
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2220 status = status && verify_percentage(CMSIncrementalOffset, |
0 | 2221 "CMSIncrementalOffset"); |
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2222 status = status && verify_percentage(CMSExpAvgFactor, |
0 | 2223 "CMSExpAvgFactor"); |
2224 // If it was not set on the command line, set | |
2225 // CMSInitiatingOccupancyFraction to 1 so icms can initiate cycles early. | |
2226 if (CMSInitiatingOccupancyFraction < 0) { | |
2227 FLAG_SET_DEFAULT(CMSInitiatingOccupancyFraction, 1); | |
2228 } | |
2229 } | |
2230 } | |
2231 | |
2232 // CMS space iteration, which FLSVerifyAllHeapreferences entails, | |
2233 // insists that we hold the requisite locks so that the iteration is | |
2234 // MT-safe. For the verification at start-up and shut-down, we don't | |
2235 // yet have a good way of acquiring and releasing these locks, | |
2236 // which are not visible at the CollectedHeap level. We want to | |
2237 // be able to acquire these locks and then do the iteration rather | |
2238 // than just disable the lock verification. This will be fixed under | |
2239 // bug 4788986. | |
2240 if (UseConcMarkSweepGC && FLSVerifyAllHeapReferences) { | |
9071
68fe50d4f1d5
8011343: Add new flag for verifying the heap during startup
johnc
parents:
8859
diff
changeset
|
2241 if (VerifyDuringStartup) { |
0 | 2242 warning("Heap verification at start-up disabled " |
2243 "(due to current incompatibility with FLSVerifyAllHeapReferences)"); | |
9071
68fe50d4f1d5
8011343: Add new flag for verifying the heap during startup
johnc
parents:
8859
diff
changeset
|
2244 VerifyDuringStartup = false; // Disable verification at start-up |
0 | 2245 } |
9071
68fe50d4f1d5
8011343: Add new flag for verifying the heap during startup
johnc
parents:
8859
diff
changeset
|
2246 |
0 | 2247 if (VerifyBeforeExit) { |
2248 warning("Heap verification at shutdown disabled " | |
2249 "(due to current incompatibility with FLSVerifyAllHeapReferences)"); | |
2250 VerifyBeforeExit = false; // Disable verification at shutdown | |
2251 } | |
2252 } | |
2253 | |
2254 // Note: only executed in non-PRODUCT mode | |
2255 if (!UseAsyncConcMarkSweepGC && | |
2256 (ExplicitGCInvokesConcurrent || | |
2257 ExplicitGCInvokesConcurrentAndUnloadsClasses)) { | |
2258 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
|
2259 "error: +ExplicitGCInvokesConcurrent[AndUnloadsClasses] conflicts" |
0 | 2260 " with -UseAsyncConcMarkSweepGC"); |
2261 status = false; | |
2262 } | |
2263 | |
2366
1fb790245268
6820066: Check that -XX:ParGCArrayScanChunk has a value larger than zero.
jwilhelm
parents:
2362
diff
changeset
|
2264 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
|
2265 |
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
2266 #if INCLUDE_ALL_GCS |
1283
1c72304f1885
6928073: G1: use existing command line parameters for marking cycle initiation
tonyp
parents:
1257
diff
changeset
|
2267 if (UseG1GC) { |
13060
8f07aa079343
8016309: assert(eden_size > 0 && survivor_size > 0) failed: just checking
jwilhelm
parents:
13059
diff
changeset
|
2268 status = status && verify_percentage(G1NewSizePercent, "G1NewSizePercent"); |
8f07aa079343
8016309: assert(eden_size > 0 && survivor_size > 0) failed: just checking
jwilhelm
parents:
13059
diff
changeset
|
2269 status = status && verify_percentage(G1MaxNewSizePercent, "G1MaxNewSizePercent"); |
8f07aa079343
8016309: assert(eden_size > 0 && survivor_size > 0) failed: just checking
jwilhelm
parents:
13059
diff
changeset
|
2270 status = status && verify_interval(G1NewSizePercent, 0, G1MaxNewSizePercent, "G1NewSizePercent"); |
8f07aa079343
8016309: assert(eden_size > 0 && survivor_size > 0) failed: just checking
jwilhelm
parents:
13059
diff
changeset
|
2271 |
1283
1c72304f1885
6928073: G1: use existing command line parameters for marking cycle initiation
tonyp
parents:
1257
diff
changeset
|
2272 status = status && verify_percentage(InitiatingHeapOccupancyPercent, |
1c72304f1885
6928073: G1: use existing command line parameters for marking cycle initiation
tonyp
parents:
1257
diff
changeset
|
2273 "InitiatingHeapOccupancyPercent"); |
2174
234761c55641
6608385: G1: need to support parallel reference processing
johnc
parents:
2129
diff
changeset
|
2274 status = status && verify_min_value(G1RefProcDrainInterval, 1, |
234761c55641
6608385: G1: need to support parallel reference processing
johnc
parents:
2129
diff
changeset
|
2275 "G1RefProcDrainInterval"); |
234761c55641
6608385: G1: need to support parallel reference processing
johnc
parents:
2129
diff
changeset
|
2276 status = status && verify_min_value((intx)G1ConcMarkStepDurationMillis, 1, |
234761c55641
6608385: G1: need to support parallel reference processing
johnc
parents:
2129
diff
changeset
|
2277 "G1ConcMarkStepDurationMillis"); |
10246
194f52aa2f23
7176479: G1: JVM crashes on T5-8 system with 1.5 TB heap
johnc
parents:
10241
diff
changeset
|
2278 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
|
2279 "G1ConcRSHotCardLimit"); |
194f52aa2f23
7176479: G1: JVM crashes on T5-8 system with 1.5 TB heap
johnc
parents:
10241
diff
changeset
|
2280 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
|
2281 "G1ConcRSLogCacheSize"); |
17764 | 2282 status = status && verify_interval(StringDeduplicationAgeThreshold, 1, markOopDesc::max_age, |
2283 "StringDeduplicationAgeThreshold"); | |
1283
1c72304f1885
6928073: G1: use existing command line parameters for marking cycle initiation
tonyp
parents:
1257
diff
changeset
|
2284 } |
10287
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2285 if (UseConcMarkSweepGC) { |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2286 status = status && verify_min_value(CMSOldPLABNumRefills, 1, "CMSOldPLABNumRefills"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2287 status = status && verify_min_value(CMSOldPLABToleranceFactor, 1, "CMSOldPLABToleranceFactor"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2288 status = status && verify_min_value(CMSOldPLABMax, 1, "CMSOldPLABMax"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2289 status = status && verify_interval(CMSOldPLABMin, 1, CMSOldPLABMax, "CMSOldPLABMin"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2290 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2291 status = status && verify_min_value(CMSYoungGenPerWorker, 1, "CMSYoungGenPerWorker"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2292 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2293 status = status && verify_min_value(CMSSamplingGrain, 1, "CMSSamplingGrain"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2294 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
|
2295 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
|
2296 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2297 status = status && verify_interval(FLSCoalescePolicy, 0, 4, "FLSCoalescePolicy"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2298 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2299 status = status && verify_min_value(CMSRescanMultiple, 1, "CMSRescanMultiple"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2300 status = status && verify_min_value(CMSConcMarkMultiple, 1, "CMSConcMarkMultiple"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2301 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2302 status = status && verify_interval(CMSPrecleanIter, 0, 9, "CMSPrecleanIter"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2303 status = status && verify_min_value(CMSPrecleanDenominator, 1, "CMSPrecleanDenominator"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2304 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
|
2305 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2306 status = status && verify_percentage(CMSBootstrapOccupancy, "CMSBootstrapOccupancy"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2307 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2308 status = status && verify_min_value(CMSPrecleanThreshold, 100, "CMSPrecleanThreshold"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2309 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2310 status = status && verify_percentage(CMSScheduleRemarkEdenPenetration, "CMSScheduleRemarkEdenPenetration"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2311 status = status && verify_min_value(CMSScheduleRemarkSamplingRatio, 1, "CMSScheduleRemarkSamplingRatio"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2312 status = status && verify_min_value(CMSBitMapYieldQuantum, 1, "CMSBitMapYieldQuantum"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2313 status = status && verify_percentage(CMSTriggerRatio, "CMSTriggerRatio"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2314 status = status && verify_percentage(CMSIsTooFullPercentage, "CMSIsTooFullPercentage"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2315 } |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2316 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2317 if (UseParallelGC || UseParallelOldGC) { |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2318 status = status && verify_interval(ParallelOldDeadWoodLimiterMean, 0, 100, "ParallelOldDeadWoodLimiterMean"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2319 status = status && verify_interval(ParallelOldDeadWoodLimiterStdDev, 0, 100, "ParallelOldDeadWoodLimiterStdDev"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2320 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2321 status = status && verify_percentage(YoungGenerationSizeIncrement, "YoungGenerationSizeIncrement"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2322 status = status && verify_percentage(TenuredGenerationSizeIncrement, "TenuredGenerationSizeIncrement"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2323 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2324 status = status && verify_min_value(YoungGenerationSizeSupplementDecay, 1, "YoungGenerationSizeSupplementDecay"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2325 status = status && verify_min_value(TenuredGenerationSizeSupplementDecay, 1, "TenuredGenerationSizeSupplementDecay"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2326 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2327 status = status && verify_min_value(ParGCCardsPerStrideChunk, 1, "ParGCCardsPerStrideChunk"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2328 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2329 status = status && verify_min_value(ParallelOldGCSplitInterval, 0, "ParallelOldGCSplitInterval"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2330 } |
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
2331 #endif // INCLUDE_ALL_GCS |
1283
1c72304f1885
6928073: G1: use existing command line parameters for marking cycle initiation
tonyp
parents:
1257
diff
changeset
|
2332 |
1244
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2333 status = status && verify_interval(RefDiscoveryPolicy, |
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2334 ReferenceProcessor::DiscoveryPolicyMin, |
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2335 ReferenceProcessor::DiscoveryPolicyMax, |
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2336 "RefDiscoveryPolicy"); |
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2337 |
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2338 // 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
|
2339 // expression. |
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2340 status = status && verify_interval(TLABWasteTargetPercent, |
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2341 1, 100, "TLABWasteTargetPercent"); |
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2342 |
1571
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
2343 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
|
2344 |
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
2345 status = status && verify_interval(CompressedClassSpaceSize, 1*M, 3*G, |
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
2346 "CompressedClassSpaceSize"); |
6736
11fb740ce98f
7196103: NPG: Unable to allocate bit map for parallel garbage collection for the requested heap size
coleenp
parents:
6725
diff
changeset
|
2347 |
7397
442f942757c0
8000244: G1: Ergonomically set MarkStackSize and use virtual space for global marking stack
johnc
parents:
7177
diff
changeset
|
2348 status = status && verify_interval(MarkStackSizeMax, |
442f942757c0
8000244: G1: Ergonomically set MarkStackSize and use virtual space for global marking stack
johnc
parents:
7177
diff
changeset
|
2349 1, (max_jint - 1), "MarkStackSizeMax"); |
10287
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2350 status = status && verify_interval(NUMAChunkResizeWeight, 0, 100, "NUMAChunkResizeWeight"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2351 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2352 status = status && verify_min_value(LogEventsBufferEntries, 1, "LogEventsBufferEntries"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2353 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2354 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
|
2355 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2356 status = status && verify_min_value(GCTaskTimeStampEntries, 1, "GCTaskTimeStampEntries"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2357 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2358 status = status && verify_percentage(ParallelGCBufferWastePct, "ParallelGCBufferWastePct"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2359 status = status && verify_interval(TargetPLABWastePct, 1, 100, "TargetPLABWastePct"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2360 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2361 status = status && verify_min_value(ParGCStridesPerThread, 1, "ParGCStridesPerThread"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2362 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2363 status = status && verify_min_value(MinRAMFraction, 1, "MinRAMFraction"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2364 status = status && verify_min_value(InitialRAMFraction, 1, "InitialRAMFraction"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2365 status = status && verify_min_value(MaxRAMFraction, 1, "MaxRAMFraction"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2366 status = status && verify_min_value(DefaultMaxRAMFraction, 1, "DefaultMaxRAMFraction"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2367 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2368 status = status && verify_interval(AdaptiveTimeWeight, 0, 100, "AdaptiveTimeWeight"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2369 status = status && verify_min_value(AdaptiveSizeDecrementScaleFactor, 1, "AdaptiveSizeDecrementScaleFactor"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2370 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2371 status = status && verify_interval(TLABAllocationWeight, 0, 100, "TLABAllocationWeight"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2372 status = status && verify_min_value(MinTLABSize, 1, "MinTLABSize"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2373 status = status && verify_min_value(TLABRefillWasteFraction, 1, "TLABRefillWasteFraction"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2374 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2375 status = status && verify_percentage(YoungGenerationSizeSupplement, "YoungGenerationSizeSupplement"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2376 status = status && verify_percentage(TenuredGenerationSizeSupplement, "TenuredGenerationSizeSupplement"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2377 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2378 // 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
|
2379 // just for that, so hardcode here. |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2380 status = status && verify_interval(MaxTenuringThreshold, 0, 15, "MaxTenuringThreshold"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2381 status = status && verify_interval(InitialTenuringThreshold, 0, MaxTenuringThreshold, "MaxTenuringThreshold"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2382 status = status && verify_percentage(TargetSurvivorRatio, "TargetSurvivorRatio"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2383 status = status && verify_percentage(MarkSweepDeadRatio, "MarkSweepDeadRatio"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2384 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2385 status = status && verify_min_value(MarkSweepAlwaysCompactCount, 1, "MarkSweepAlwaysCompactCount"); |
6755
bc675e55b48c
7193946: Move warnings associated with UseMemSetInBOT flag
johnc
parents:
6736
diff
changeset
|
2386 |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2387 if (PrintNMTStatistics) { |
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2388 #if INCLUDE_NMT |
20360 | 2389 if (MemTracker::tracking_level() == NMT_off) { |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2390 #endif // INCLUDE_NMT |
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2391 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
|
2392 PrintNMTStatistics = false; |
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2393 #if INCLUDE_NMT |
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2394 } |
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2395 #endif |
6770
9a86ddfc6c8f
7188594: Print statistic collected by NMT with VM flag
zgu
parents:
6736
diff
changeset
|
2396 } |
9a86ddfc6c8f
7188594: Print statistic collected by NMT with VM flag
zgu
parents:
6736
diff
changeset
|
2397 |
10260
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2398 // Need to limit the extent of the padding to reasonable size. |
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2399 // 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
|
2400 // aggressive prefetching, while still leaving the room for segregating |
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2401 // among the distinct pages. |
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2402 if (ContendedPaddingWidth < 0 || ContendedPaddingWidth > 8192) { |
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2403 jio_fprintf(defaultStream::error_stream(), |
12129 | 2404 "ContendedPaddingWidth=" INTX_FORMAT " must be in between %d and %d\n", |
10260
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2405 ContendedPaddingWidth, 0, 8192); |
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2406 status = false; |
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2407 } |
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2408 |
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2409 // Need to enforce the padding not to break the existing field alignments. |
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2410 // It is sufficient to check against the largest type size. |
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2411 if ((ContendedPaddingWidth % BytesPerLong) != 0) { |
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2412 jio_fprintf(defaultStream::error_stream(), |
12129 | 2413 "ContendedPaddingWidth=" INTX_FORMAT " must be a multiple of %d\n", |
10260
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2414 ContendedPaddingWidth, BytesPerLong); |
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2415 status = false; |
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2416 } |
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2417 |
11079
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2418 // 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
|
2419 // 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
|
2420 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
|
2421 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
|
2422 jio_fprintf(defaultStream::error_stream(), |
11079
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2423 "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
|
2424 os::vm_page_size()/K); |
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2425 status = false; |
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2426 } else if (ReservedCodeCacheSize < InitialCodeCacheSize) { |
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2427 jio_fprintf(defaultStream::error_stream(), |
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2428 "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
|
2429 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
|
2430 status = false; |
11079
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2431 } 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
|
2432 jio_fprintf(defaultStream::error_stream(), |
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2433 "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
|
2434 min_code_cache_size/K); |
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2435 status = false; |
11109
7ac80525ece9
8015635: Crash when specifying very large code cache size
anoll
parents:
11083
diff
changeset
|
2436 } else if (ReservedCodeCacheSize > 2*G) { |
7ac80525ece9
8015635: Crash when specifying very large code cache size
anoll
parents:
11083
diff
changeset
|
2437 // Code cache size larger than MAXINT is not supported. |
7ac80525ece9
8015635: Crash when specifying very large code cache size
anoll
parents:
11083
diff
changeset
|
2438 jio_fprintf(defaultStream::error_stream(), |
7ac80525ece9
8015635: Crash when specifying very large code cache size
anoll
parents:
11083
diff
changeset
|
2439 "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
|
2440 (2*G)/M); |
7ac80525ece9
8015635: Crash when specifying very large code cache size
anoll
parents:
11083
diff
changeset
|
2441 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
|
2442 } |
12324
510fbd28919c
8020151: PSR:PERF Large performance regressions when code cache is filled
anoll
parents:
12322
diff
changeset
|
2443 |
510fbd28919c
8020151: PSR:PERF Large performance regressions when code cache is filled
anoll
parents:
12322
diff
changeset
|
2444 status &= verify_interval(NmethodSweepFraction, 1, ReservedCodeCacheSize/K, "NmethodSweepFraction"); |
510fbd28919c
8020151: PSR:PERF Large performance regressions when code cache is filled
anoll
parents:
12322
diff
changeset
|
2445 status &= verify_interval(NmethodSweepActivity, 0, 2000, "NmethodSweepActivity"); |
510fbd28919c
8020151: PSR:PERF Large performance regressions when code cache is filled
anoll
parents:
12322
diff
changeset
|
2446 |
17906
7150b16fda52
8029436: CICompilerCount is not updated when the number of compiler threads is adjusted to the number of CPUs
anoll
parents:
17827
diff
changeset
|
2447 if (!FLAG_IS_DEFAULT(CICompilerCount) && !FLAG_IS_DEFAULT(CICompilerCountPerCPU) && CICompilerCountPerCPU) { |
7150b16fda52
8029436: CICompilerCount is not updated when the number of compiler threads is adjusted to the number of CPUs
anoll
parents:
17827
diff
changeset
|
2448 warning("The VM option CICompilerCountPerCPU overrides CICompilerCount."); |
7150b16fda52
8029436: CICompilerCount is not updated when the number of compiler threads is adjusted to the number of CPUs
anoll
parents:
17827
diff
changeset
|
2449 } |
7150b16fda52
8029436: CICompilerCount is not updated when the number of compiler threads is adjusted to the number of CPUs
anoll
parents:
17827
diff
changeset
|
2450 |
0 | 2451 return status; |
2452 } | |
2453 | |
2454 bool Arguments::is_bad_option(const JavaVMOption* option, jboolean ignore, | |
2455 const char* option_type) { | |
2456 if (ignore) return false; | |
2457 | |
2458 const char* spacer = " "; | |
2459 if (option_type == NULL) { | |
2460 option_type = ++spacer; // Set both to the empty string. | |
2461 } | |
2462 | |
2463 if (os::obsolete_option(option)) { | |
2464 jio_fprintf(defaultStream::error_stream(), | |
2465 "Obsolete %s%soption: %s\n", option_type, spacer, | |
2466 option->optionString); | |
2467 return false; | |
2468 } else { | |
2469 jio_fprintf(defaultStream::error_stream(), | |
2470 "Unrecognized %s%soption: %s\n", option_type, spacer, | |
2471 option->optionString); | |
2472 return true; | |
2473 } | |
2474 } | |
2475 | |
2476 static const char* user_assertion_options[] = { | |
2477 "-da", "-ea", "-disableassertions", "-enableassertions", 0 | |
2478 }; | |
2479 | |
2480 static const char* system_assertion_options[] = { | |
2481 "-dsa", "-esa", "-disablesystemassertions", "-enablesystemassertions", 0 | |
2482 }; | |
2483 | |
2484 // Return true if any of the strings in null-terminated array 'names' matches. | |
2485 // If tail_allowed is true, then the tail must begin with a colon; otherwise, | |
2486 // the option must match exactly. | |
2487 static bool match_option(const JavaVMOption* option, const char** names, const char** tail, | |
2488 bool tail_allowed) { | |
2489 for (/* empty */; *names != NULL; ++names) { | |
2490 if (match_option(option, *names, tail)) { | |
2491 if (**tail == '\0' || tail_allowed && **tail == ':') { | |
2492 return true; | |
2493 } | |
2494 } | |
2495 } | |
2496 return false; | |
2497 } | |
2498 | |
1284 | 2499 bool Arguments::parse_uintx(const char* value, |
2500 uintx* uintx_arg, | |
2501 uintx min_size) { | |
2502 | |
2503 // Check the sign first since atomull() parses only unsigned values. | |
2504 bool value_is_positive = !(*value == '-'); | |
2505 | |
2506 if (value_is_positive) { | |
2507 julong n; | |
2508 bool good_return = atomull(value, &n); | |
2509 if (good_return) { | |
2510 bool above_minimum = n >= min_size; | |
2511 bool value_is_too_large = n > max_uintx; | |
2512 | |
2513 if (above_minimum && !value_is_too_large) { | |
2514 *uintx_arg = n; | |
2515 return true; | |
2516 } | |
2517 } | |
2518 } | |
2519 return false; | |
2520 } | |
2521 | |
0 | 2522 Arguments::ArgsRange Arguments::parse_memory_size(const char* s, |
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
2523 julong* long_arg, |
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
2524 julong min_size) { |
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
2525 if (!atomull(s, long_arg)) return arg_unreadable; |
0 | 2526 return check_memory_size(*long_arg, min_size); |
2527 } | |
2528 | |
2529 // Parse JavaVMInitArgs structure | |
2530 | |
2531 jint Arguments::parse_vm_init_args(const JavaVMInitArgs* args) { | |
2532 // For components of the system classpath. | |
2533 SysClassPath scp(Arguments::get_sysclasspath()); | |
2534 bool scp_assembly_required = false; | |
2535 | |
2536 // Save default settings for some mode flags | |
2537 Arguments::_AlwaysCompileLoopMethods = AlwaysCompileLoopMethods; | |
2538 Arguments::_UseOnStackReplacement = UseOnStackReplacement; | |
2539 Arguments::_ClipInlining = ClipInlining; | |
2540 Arguments::_BackgroundCompilation = BackgroundCompilation; | |
2541 | |
3341
e9b8ef09622a
7041582: set_mode_flags isn't called without -Xmixed specified
never
parents:
3261
diff
changeset
|
2542 // Setup flags for mixed which is the default |
e9b8ef09622a
7041582: set_mode_flags isn't called without -Xmixed specified
never
parents:
3261
diff
changeset
|
2543 set_mode_flags(_mixed); |
e9b8ef09622a
7041582: set_mode_flags isn't called without -Xmixed specified
never
parents:
3261
diff
changeset
|
2544 |
0 | 2545 // Parse JAVA_TOOL_OPTIONS environment variable (if present) |
2546 jint result = parse_java_tool_options_environment_variable(&scp, &scp_assembly_required); | |
2547 if (result != JNI_OK) { | |
2548 return result; | |
2549 } | |
2550 | |
2551 // Parse JavaVMInitArgs structure passed in | |
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2552 result = parse_each_vm_init_arg(args, &scp, &scp_assembly_required, Flag::COMMAND_LINE); |
0 | 2553 if (result != JNI_OK) { |
2554 return result; | |
2555 } | |
2556 | |
2557 // Parse _JAVA_OPTIONS environment variable (if present) (mimics classic VM) | |
2558 result = parse_java_options_environment_variable(&scp, &scp_assembly_required); | |
2559 if (result != JNI_OK) { | |
2560 return result; | |
2561 } | |
2562 | |
2563 // Do final processing now that all arguments have been parsed | |
2564 result = finalize_vm_init_args(&scp, scp_assembly_required); | |
2565 if (result != JNI_OK) { | |
2566 return result; | |
2567 } | |
2568 | |
2569 return JNI_OK; | |
2570 } | |
2571 | |
10170
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2572 // Checks if name in command-line argument -agent{lib,path}:name[=options] |
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2573 // represents a valid HPROF of JDWP agent. is_path==true denotes that we |
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2574 // are dealing with -agentpath (case where name is a path), otherwise with |
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2575 // -agentlib |
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2576 bool valid_hprof_or_jdwp_agent(char *name, bool is_path) { |
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2577 char *_name; |
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2578 const char *_hprof = "hprof", *_jdwp = "jdwp"; |
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2579 size_t _len_hprof, _len_jdwp, _len_prefix; |
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2580 |
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2581 if (is_path) { |
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2582 if ((_name = strrchr(name, (int) *os::file_separator())) == NULL) { |
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2583 return false; |
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|
2584 } |
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2585 |
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2586 _name++; // skip past last path separator |
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2587 _len_prefix = strlen(JNI_LIB_PREFIX); |
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2588 |
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2589 if (strncmp(_name, JNI_LIB_PREFIX, _len_prefix) != 0) { |
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2590 return false; |
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|
2591 } |
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2592 |
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2593 _name += _len_prefix; |
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2594 _len_hprof = strlen(_hprof); |
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2595 _len_jdwp = strlen(_jdwp); |
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2596 |
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2597 if (strncmp(_name, _hprof, _len_hprof) == 0) { |
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2598 _name += _len_hprof; |
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2599 } |
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2600 else if (strncmp(_name, _jdwp, _len_jdwp) == 0) { |
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2601 _name += _len_jdwp; |
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2602 } |
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2603 else { |
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2604 return false; |
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|
2605 } |
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|
2606 |
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2607 if (strcmp(_name, JNI_LIB_SUFFIX) != 0) { |
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2608 return false; |
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|
2609 } |
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|
2610 |
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2611 return true; |
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|
2612 } |
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|
2613 |
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2614 if (strcmp(name, _hprof) == 0 || strcmp(name, _jdwp) == 0) { |
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2615 return true; |
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|
2616 } |
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|
2617 |
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2618 return false; |
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|
2619 } |
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2620 |
0 | 2621 jint Arguments::parse_each_vm_init_arg(const JavaVMInitArgs* args, |
2622 SysClassPath* scp_p, | |
2623 bool* scp_assembly_required_p, | |
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2624 Flag::Flags origin) { |
0 | 2625 // Remaining part of option string |
2626 const char* tail; | |
2627 | |
2628 // iterate over arguments | |
2629 for (int index = 0; index < args->nOptions; index++) { | |
2630 bool is_absolute_path = false; // for -agentpath vs -agentlib | |
2631 | |
2632 const JavaVMOption* option = args->options + index; | |
2633 | |
2634 if (!match_option(option, "-Djava.class.path", &tail) && | |
2635 !match_option(option, "-Dsun.java.command", &tail) && | |
2636 !match_option(option, "-Dsun.java.launcher", &tail)) { | |
2637 | |
2638 // add all jvm options to the jvm_args string. This string | |
2639 // is used later to set the java.vm.args PerfData string constant. | |
2640 // the -Djava.class.path and the -Dsun.java.command options are | |
2641 // omitted from jvm_args string as each have their own PerfData | |
2642 // string constant object. | |
2643 build_jvm_args(option->optionString); | |
2644 } | |
2645 | |
2646 // -verbose:[class/gc/jni] | |
2647 if (match_option(option, "-verbose", &tail)) { | |
2648 if (!strcmp(tail, ":class") || !strcmp(tail, "")) { | |
2649 FLAG_SET_CMDLINE(bool, TraceClassLoading, true); | |
2650 FLAG_SET_CMDLINE(bool, TraceClassUnloading, true); | |
2651 } else if (!strcmp(tail, ":gc")) { | |
2652 FLAG_SET_CMDLINE(bool, PrintGC, true); | |
2653 } else if (!strcmp(tail, ":jni")) { | |
2654 FLAG_SET_CMDLINE(bool, PrintJNIResolving, true); | |
2655 } | |
2656 // -da / -ea / -disableassertions / -enableassertions | |
2657 // These accept an optional class/package name separated by a colon, e.g., | |
2658 // -da:java.lang.Thread. | |
2659 } else if (match_option(option, user_assertion_options, &tail, true)) { | |
2660 bool enable = option->optionString[1] == 'e'; // char after '-' is 'e' | |
2661 if (*tail == '\0') { | |
2662 JavaAssertions::setUserClassDefault(enable); | |
2663 } else { | |
2664 assert(*tail == ':', "bogus match by match_option()"); | |
2665 JavaAssertions::addOption(tail + 1, enable); | |
2666 } | |
2667 // -dsa / -esa / -disablesystemassertions / -enablesystemassertions | |
2668 } else if (match_option(option, system_assertion_options, &tail, false)) { | |
2669 bool enable = option->optionString[1] == 'e'; // char after '-' is 'e' | |
2670 JavaAssertions::setSystemClassDefault(enable); | |
2671 // -bootclasspath: | |
2672 } else if (match_option(option, "-Xbootclasspath:", &tail)) { | |
2673 scp_p->reset_path(tail); | |
2674 *scp_assembly_required_p = true; | |
2675 // -bootclasspath/a: | |
2676 } else if (match_option(option, "-Xbootclasspath/a:", &tail)) { | |
2677 scp_p->add_suffix(tail); | |
2678 *scp_assembly_required_p = true; | |
2679 // -bootclasspath/p: | |
2680 } else if (match_option(option, "-Xbootclasspath/p:", &tail)) { | |
2681 scp_p->add_prefix(tail); | |
2682 *scp_assembly_required_p = true; | |
2683 // -Xrun | |
2684 } else if (match_option(option, "-Xrun", &tail)) { | |
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2685 if (tail != NULL) { |
0 | 2686 const char* pos = strchr(tail, ':'); |
2687 size_t len = (pos == NULL) ? strlen(tail) : pos - tail; | |
6197 | 2688 char* name = (char*)memcpy(NEW_C_HEAP_ARRAY(char, len + 1, mtInternal), tail, len); |
0 | 2689 name[len] = '\0'; |
2690 | |
2691 char *options = NULL; | |
2692 if(pos != NULL) { | |
2693 size_t len2 = strlen(pos+1) + 1; // options start after ':'. Final zero must be copied. | |
6197 | 2694 options = (char*)memcpy(NEW_C_HEAP_ARRAY(char, len2, mtInternal), pos+1, len2); |
0 | 2695 } |
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2696 #if !INCLUDE_JVMTI |
0 | 2697 if ((strcmp(name, "hprof") == 0) || (strcmp(name, "jdwp") == 0)) { |
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2698 jio_fprintf(defaultStream::error_stream(), |
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2699 "Profiling and debugging agents are not supported in this VM\n"); |
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2700 return JNI_ERR; |
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|
2701 } |
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2702 #endif // !INCLUDE_JVMTI |
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2703 add_init_library(name, options); |
0 | 2704 } |
2705 // -agentlib and -agentpath | |
2706 } else if (match_option(option, "-agentlib:", &tail) || | |
2707 (is_absolute_path = match_option(option, "-agentpath:", &tail))) { | |
2708 if(tail != NULL) { | |
2709 const char* pos = strchr(tail, '='); | |
2710 size_t len = (pos == NULL) ? strlen(tail) : pos - tail; | |
6197 | 2711 char* name = strncpy(NEW_C_HEAP_ARRAY(char, len + 1, mtInternal), tail, len); |
0 | 2712 name[len] = '\0'; |
2713 | |
2714 char *options = NULL; | |
2715 if(pos != NULL) { | |
6197 | 2716 options = strcpy(NEW_C_HEAP_ARRAY(char, strlen(pos + 1) + 1, mtInternal), pos + 1); |
0 | 2717 } |
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2718 #if !INCLUDE_JVMTI |
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2719 if (valid_hprof_or_jdwp_agent(name, is_absolute_path)) { |
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2720 jio_fprintf(defaultStream::error_stream(), |
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2721 "Profiling and debugging agents are not supported in this VM\n"); |
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2722 return JNI_ERR; |
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|
2723 } |
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2724 #endif // !INCLUDE_JVMTI |
0 | 2725 add_init_agent(name, options, is_absolute_path); |
2726 } | |
2727 // -javaagent | |
2728 } else if (match_option(option, "-javaagent:", &tail)) { | |
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2729 #if !INCLUDE_JVMTI |
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2730 jio_fprintf(defaultStream::error_stream(), |
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2731 "Instrumentation agents are not supported in this VM\n"); |
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2732 return JNI_ERR; |
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|
2733 #else |
0 | 2734 if(tail != NULL) { |
6197 | 2735 char *options = strcpy(NEW_C_HEAP_ARRAY(char, strlen(tail) + 1, mtInternal), tail); |
0 | 2736 add_init_agent("instrument", options, false); |
2737 } | |
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2738 #endif // !INCLUDE_JVMTI |
0 | 2739 // -Xnoclassgc |
2740 } else if (match_option(option, "-Xnoclassgc", &tail)) { | |
2741 FLAG_SET_CMDLINE(bool, ClassUnloading, false); | |
2742 // -Xincgc: i-CMS | |
2743 } else if (match_option(option, "-Xincgc", &tail)) { | |
2744 FLAG_SET_CMDLINE(bool, UseConcMarkSweepGC, true); | |
2745 FLAG_SET_CMDLINE(bool, CMSIncrementalMode, true); | |
2746 // -Xnoincgc: no i-CMS | |
2747 } else if (match_option(option, "-Xnoincgc", &tail)) { | |
2748 FLAG_SET_CMDLINE(bool, UseConcMarkSweepGC, false); | |
2749 FLAG_SET_CMDLINE(bool, CMSIncrementalMode, false); | |
2750 // -Xconcgc | |
2751 } else if (match_option(option, "-Xconcgc", &tail)) { | |
2752 FLAG_SET_CMDLINE(bool, UseConcMarkSweepGC, true); | |
2753 // -Xnoconcgc | |
2754 } else if (match_option(option, "-Xnoconcgc", &tail)) { | |
2755 FLAG_SET_CMDLINE(bool, UseConcMarkSweepGC, false); | |
2756 // -Xbatch | |
2757 } else if (match_option(option, "-Xbatch", &tail)) { | |
2758 FLAG_SET_CMDLINE(bool, BackgroundCompilation, false); | |
2759 // -Xmn for compatibility with other JVM vendors | |
2760 } else if (match_option(option, "-Xmn", &tail)) { | |
12831 | 2761 julong long_initial_young_size = 0; |
2762 ArgsRange errcode = parse_memory_size(tail, &long_initial_young_size, 1); | |
0 | 2763 if (errcode != arg_in_range) { |
2764 jio_fprintf(defaultStream::error_stream(), | |
12831 | 2765 "Invalid initial young generation size: %s\n", option->optionString); |
0 | 2766 describe_range_error(errcode); |
2767 return JNI_EINVAL; | |
2768 } | |
12831 | 2769 FLAG_SET_CMDLINE(uintx, MaxNewSize, (uintx)long_initial_young_size); |
2770 FLAG_SET_CMDLINE(uintx, NewSize, (uintx)long_initial_young_size); | |
0 | 2771 // -Xms |
2772 } else if (match_option(option, "-Xms", &tail)) { | |
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2773 julong long_initial_heap_size = 0; |
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2774 // an initial heap size of 0 means automatically determine |
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2775 ArgsRange errcode = parse_memory_size(tail, &long_initial_heap_size, 0); |
0 | 2776 if (errcode != arg_in_range) { |
2777 jio_fprintf(defaultStream::error_stream(), | |
2778 "Invalid initial heap size: %s\n", option->optionString); | |
2779 describe_range_error(errcode); | |
2780 return JNI_EINVAL; | |
2781 } | |
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2782 set_min_heap_size((uintx)long_initial_heap_size); |
0 | 2783 // Currently the minimum size and the initial heap sizes are the same. |
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changeset
|
2784 // Can be overridden with -XX:InitialHeapSize. |
46d7652b223c
8026853: Prepare GC code for collector policy regression fix
jwilhelm
parents:
13008
diff
changeset
|
2785 FLAG_SET_CMDLINE(uintx, InitialHeapSize, (uintx)long_initial_heap_size); |
0 | 2786 // -Xmx |
10241
d17700c82d7d
8006088: Incompatible heap size flags accepted by VM
tschatzl
parents:
10240
diff
changeset
|
2787 } else if (match_option(option, "-Xmx", &tail) || match_option(option, "-XX:MaxHeapSize=", &tail)) { |
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
2788 julong long_max_heap_size = 0; |
0 | 2789 ArgsRange errcode = parse_memory_size(tail, &long_max_heap_size, 1); |
2790 if (errcode != arg_in_range) { | |
2791 jio_fprintf(defaultStream::error_stream(), | |
2792 "Invalid maximum heap size: %s\n", option->optionString); | |
2793 describe_range_error(errcode); | |
2794 return JNI_EINVAL; | |
2795 } | |
1064 | 2796 FLAG_SET_CMDLINE(uintx, MaxHeapSize, (uintx)long_max_heap_size); |
0 | 2797 // Xmaxf |
2798 } else if (match_option(option, "-Xmaxf", &tail)) { | |
12896
027006a47a6d
8025661: Ill-formed -Xminf and -Xmaxf options values interpreted as 0
sjohanss
parents:
12840
diff
changeset
|
2799 char* err; |
027006a47a6d
8025661: Ill-formed -Xminf and -Xmaxf options values interpreted as 0
sjohanss
parents:
12840
diff
changeset
|
2800 int maxf = (int)(strtod(tail, &err) * 100); |
17648
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
2801 if (*err != '\0' || *tail == '\0' || maxf < 0 || maxf > 100) { |
0 | 2802 jio_fprintf(defaultStream::error_stream(), |
2803 "Bad max heap free percentage size: %s\n", | |
2804 option->optionString); | |
2805 return JNI_EINVAL; | |
2806 } else { | |
2807 FLAG_SET_CMDLINE(uintx, MaxHeapFreeRatio, maxf); | |
2808 } | |
2809 // Xminf | |
2810 } else if (match_option(option, "-Xminf", &tail)) { | |
12896
027006a47a6d
8025661: Ill-formed -Xminf and -Xmaxf options values interpreted as 0
sjohanss
parents:
12840
diff
changeset
|
2811 char* err; |
027006a47a6d
8025661: Ill-formed -Xminf and -Xmaxf options values interpreted as 0
sjohanss
parents:
12840
diff
changeset
|
2812 int minf = (int)(strtod(tail, &err) * 100); |
17648
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
2813 if (*err != '\0' || *tail == '\0' || minf < 0 || minf > 100) { |
0 | 2814 jio_fprintf(defaultStream::error_stream(), |
2815 "Bad min heap free percentage size: %s\n", | |
2816 option->optionString); | |
2817 return JNI_EINVAL; | |
2818 } else { | |
2819 FLAG_SET_CMDLINE(uintx, MinHeapFreeRatio, minf); | |
2820 } | |
2821 // -Xss | |
2822 } else if (match_option(option, "-Xss", &tail)) { | |
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
2823 julong long_ThreadStackSize = 0; |
0 | 2824 ArgsRange errcode = parse_memory_size(tail, &long_ThreadStackSize, 1000); |
2825 if (errcode != arg_in_range) { | |
2826 jio_fprintf(defaultStream::error_stream(), | |
2827 "Invalid thread stack size: %s\n", option->optionString); | |
2828 describe_range_error(errcode); | |
2829 return JNI_EINVAL; | |
2830 } | |
2831 // Internally track ThreadStackSize in units of 1024 bytes. | |
2832 FLAG_SET_CMDLINE(intx, ThreadStackSize, | |
2833 round_to((int)long_ThreadStackSize, K) / K); | |
2834 // -Xoss | |
2835 } else if (match_option(option, "-Xoss", &tail)) { | |
2836 // 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
anoll
parents:
11006
diff
changeset
|
2837 } else if (match_option(option, "-XX:CodeCacheExpansionSize=", &tail)) { |
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2838 julong long_CodeCacheExpansionSize = 0; |
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2839 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
|
2840 if (errcode != arg_in_range) { |
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2841 jio_fprintf(defaultStream::error_stream(), |
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2842 "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
|
2843 os::vm_page_size()/K); |
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2844 return JNI_EINVAL; |
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2845 } |
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2846 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
|
2847 } 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
|
2848 match_option(option, "-XX:ReservedCodeCacheSize=", &tail)) { |
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
2849 julong long_ReservedCodeCacheSize = 0; |
11079
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2850 |
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
|
2851 ArgsRange errcode = parse_memory_size(tail, &long_ReservedCodeCacheSize, 1); |
0 | 2852 if (errcode != arg_in_range) { |
2853 jio_fprintf(defaultStream::error_stream(), | |
10392
c07dd9be16e8
8013496: Code cache management command line options work only in special order. Another order of arguments does not deliver the second parameter to the jvm.
anoll
parents:
10319
diff
changeset
|
2854 "Invalid maximum code cache size: %s.\n", option->optionString); |
0 | 2855 return JNI_EINVAL; |
2856 } | |
2857 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
|
2858 //-XX:IncreaseFirstTierCompileThresholdAt= |
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
parents:
10294
diff
changeset
|
2859 } else if (match_option(option, "-XX:IncreaseFirstTierCompileThresholdAt=", &tail)) { |
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
parents:
10294
diff
changeset
|
2860 uintx uint_IncreaseFirstTierCompileThresholdAt = 0; |
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
parents:
10294
diff
changeset
|
2861 if (!parse_uintx(tail, &uint_IncreaseFirstTierCompileThresholdAt, 0) || uint_IncreaseFirstTierCompileThresholdAt > 99) { |
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
parents:
10294
diff
changeset
|
2862 jio_fprintf(defaultStream::error_stream(), |
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
parents:
10294
diff
changeset
|
2863 "Invalid value for IncreaseFirstTierCompileThresholdAt: %s. Should be between 0 and 99.\n", |
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
parents:
10294
diff
changeset
|
2864 option->optionString); |
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
parents:
10294
diff
changeset
|
2865 return JNI_EINVAL; |
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
parents:
10294
diff
changeset
|
2866 } |
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
parents:
10294
diff
changeset
|
2867 FLAG_SET_CMDLINE(uintx, IncreaseFirstTierCompileThresholdAt, (uintx)uint_IncreaseFirstTierCompileThresholdAt); |
0 | 2868 // -green |
2869 } else if (match_option(option, "-green", &tail)) { | |
2870 jio_fprintf(defaultStream::error_stream(), | |
2871 "Green threads support not available\n"); | |
2872 return JNI_EINVAL; | |
2873 // -native | |
2874 } else if (match_option(option, "-native", &tail)) { | |
2875 // HotSpot always uses native threads, ignore silently for compatibility | |
2876 // -Xsqnopause | |
2877 } else if (match_option(option, "-Xsqnopause", &tail)) { | |
2878 // EVM option, ignore silently for compatibility | |
2879 // -Xrs | |
2880 } else if (match_option(option, "-Xrs", &tail)) { | |
2881 // Classic/EVM option, new functionality | |
2882 FLAG_SET_CMDLINE(bool, ReduceSignalUsage, true); | |
2883 } else if (match_option(option, "-Xusealtsigs", &tail)) { | |
2884 // change default internal VM signals used - lower case for back compat | |
2885 FLAG_SET_CMDLINE(bool, UseAltSigs, true); | |
2886 // -Xoptimize | |
2887 } else if (match_option(option, "-Xoptimize", &tail)) { | |
2888 // EVM option, ignore silently for compatibility | |
2889 // -Xprof | |
2890 } else if (match_option(option, "-Xprof", &tail)) { | |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2891 #if INCLUDE_FPROF |
0 | 2892 _has_profile = true; |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2893 #else // INCLUDE_FPROF |
8720
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
2894 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
|
2895 "Flat profiling is not supported in this VM.\n"); |
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
2896 return JNI_ERR; |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2897 #endif // INCLUDE_FPROF |
0 | 2898 // -Xconcurrentio |
2899 } else if (match_option(option, "-Xconcurrentio", &tail)) { | |
2900 FLAG_SET_CMDLINE(bool, UseLWPSynchronization, true); | |
2901 FLAG_SET_CMDLINE(bool, BackgroundCompilation, false); | |
2902 FLAG_SET_CMDLINE(intx, DeferThrSuspendLoopCount, 1); | |
2903 FLAG_SET_CMDLINE(bool, UseTLAB, false); | |
2904 FLAG_SET_CMDLINE(uintx, NewSizeThreadIncrease, 16 * K); // 20Kb per thread added to new generation | |
2905 | |
2906 // -Xinternalversion | |
2907 } else if (match_option(option, "-Xinternalversion", &tail)) { | |
2908 jio_fprintf(defaultStream::output_stream(), "%s\n", | |
2909 VM_Version::internal_vm_info_string()); | |
2910 vm_exit(0); | |
2911 #ifndef PRODUCT | |
2912 // -Xprintflags | |
2913 } else if (match_option(option, "-Xprintflags", &tail)) { | |
4773 | 2914 CommandLineFlags::printFlags(tty, false); |
0 | 2915 vm_exit(0); |
2916 #endif | |
2917 // -D | |
2918 } else if (match_option(option, "-D", &tail)) { | |
2919 if (!add_property(tail)) { | |
2920 return JNI_ENOMEM; | |
2921 } | |
2922 // Out of the box management support | |
2923 if (match_option(option, "-Dcom.sun.management", &tail)) { | |
8081
579f6adb7f51
8003539: Minimal VM don't react to -Dcom.sun.management and -XX:+ManagementServer
jprovino
parents:
8002
diff
changeset
|
2924 #if INCLUDE_MANAGEMENT |
0 | 2925 FLAG_SET_CMDLINE(bool, ManagementServer, true); |
8081
579f6adb7f51
8003539: Minimal VM don't react to -Dcom.sun.management and -XX:+ManagementServer
jprovino
parents:
8002
diff
changeset
|
2926 #else |
8720
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
2927 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
|
2928 "-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
|
2929 return JNI_ERR; |
8081
579f6adb7f51
8003539: Minimal VM don't react to -Dcom.sun.management and -XX:+ManagementServer
jprovino
parents:
8002
diff
changeset
|
2930 #endif |
0 | 2931 } |
2932 // -Xint | |
2933 } else if (match_option(option, "-Xint", &tail)) { | |
2934 set_mode_flags(_int); | |
2935 // -Xmixed | |
2936 } else if (match_option(option, "-Xmixed", &tail)) { | |
2937 set_mode_flags(_mixed); | |
2938 // -Xcomp | |
2939 } else if (match_option(option, "-Xcomp", &tail)) { | |
2940 // for testing the compiler; turn off all flags that inhibit compilation | |
2941 set_mode_flags(_comp); | |
2942 // -Xshare:dump | |
2943 } else if (match_option(option, "-Xshare:dump", &tail)) { | |
2944 FLAG_SET_CMDLINE(bool, DumpSharedSpaces, true); | |
2945 set_mode_flags(_int); // Prevent compilation, which creates objects | |
2946 // -Xshare:on | |
2947 } else if (match_option(option, "-Xshare:on", &tail)) { | |
2948 FLAG_SET_CMDLINE(bool, UseSharedSpaces, true); | |
2949 FLAG_SET_CMDLINE(bool, RequireSharedSpaces, true); | |
2950 // -Xshare:auto | |
2951 } else if (match_option(option, "-Xshare:auto", &tail)) { | |
2952 FLAG_SET_CMDLINE(bool, UseSharedSpaces, true); | |
2953 FLAG_SET_CMDLINE(bool, RequireSharedSpaces, false); | |
2954 // -Xshare:off | |
2955 } else if (match_option(option, "-Xshare:off", &tail)) { | |
2956 FLAG_SET_CMDLINE(bool, UseSharedSpaces, false); | |
2957 FLAG_SET_CMDLINE(bool, RequireSharedSpaces, false); | |
2958 // -Xverify | |
2959 } else if (match_option(option, "-Xverify", &tail)) { | |
2960 if (strcmp(tail, ":all") == 0 || strcmp(tail, "") == 0) { | |
2961 FLAG_SET_CMDLINE(bool, BytecodeVerificationLocal, true); | |
2962 FLAG_SET_CMDLINE(bool, BytecodeVerificationRemote, true); | |
2963 } else if (strcmp(tail, ":remote") == 0) { | |
2964 FLAG_SET_CMDLINE(bool, BytecodeVerificationLocal, false); | |
2965 FLAG_SET_CMDLINE(bool, BytecodeVerificationRemote, true); | |
2966 } else if (strcmp(tail, ":none") == 0) { | |
2967 FLAG_SET_CMDLINE(bool, BytecodeVerificationLocal, false); | |
2968 FLAG_SET_CMDLINE(bool, BytecodeVerificationRemote, false); | |
2969 } else if (is_bad_option(option, args->ignoreUnrecognized, "verification")) { | |
2970 return JNI_EINVAL; | |
2971 } | |
2972 // -Xdebug | |
2973 } else if (match_option(option, "-Xdebug", &tail)) { | |
2974 // note this flag has been used, then ignore | |
2975 set_xdebug_mode(true); | |
2976 // -Xnoagent | |
2977 } else if (match_option(option, "-Xnoagent", &tail)) { | |
2978 // For compatibility with classic. HotSpot refuses to load the old style agent.dll. | |
2979 } else if (match_option(option, "-Xboundthreads", &tail)) { | |
2980 // Bind user level threads to kernel threads (Solaris only) | |
2981 FLAG_SET_CMDLINE(bool, UseBoundThreads, true); | |
2982 } else if (match_option(option, "-Xloggc:", &tail)) { | |
2983 // Redirect GC output to the file. -Xloggc:<filename> | |
2984 // ostream_init_log(), when called will use this filename | |
2985 // to initialize a fileStream. | |
2986 _gc_log_filename = strdup(tail); | |
12215 | 2987 if (!is_filename_valid(_gc_log_filename)) { |
2988 jio_fprintf(defaultStream::output_stream(), | |
2989 "Invalid file name for use with -Xloggc: Filename can only contain the " | |
2990 "characters [A-Z][a-z][0-9]-_.%%[p|t] but it has been %s\n" | |
2991 "Note %%p or %%t can only be used once\n", _gc_log_filename); | |
2992 return JNI_EINVAL; | |
2993 } | |
0 | 2994 FLAG_SET_CMDLINE(bool, PrintGC, true); |
2995 FLAG_SET_CMDLINE(bool, PrintGCTimeStamps, true); | |
2996 | |
2997 // JNI hooks | |
2998 } else if (match_option(option, "-Xcheck", &tail)) { | |
2999 if (!strcmp(tail, ":jni")) { | |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3000 #if !INCLUDE_JNI_CHECK |
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3001 warning("JNI CHECKING is not supported in this VM"); |
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3002 #else |
0 | 3003 CheckJNICalls = true; |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3004 #endif // INCLUDE_JNI_CHECK |
0 | 3005 } else if (is_bad_option(option, args->ignoreUnrecognized, |
3006 "check")) { | |
3007 return JNI_EINVAL; | |
3008 } | |
3009 } else if (match_option(option, "vfprintf", &tail)) { | |
3010 _vfprintf_hook = CAST_TO_FN_PTR(vfprintf_hook_t, option->extraInfo); | |
3011 } else if (match_option(option, "exit", &tail)) { | |
3012 _exit_hook = CAST_TO_FN_PTR(exit_hook_t, option->extraInfo); | |
3013 } else if (match_option(option, "abort", &tail)) { | |
3014 _abort_hook = CAST_TO_FN_PTR(abort_hook_t, option->extraInfo); | |
3015 // -XX:+AggressiveHeap | |
3016 } else if (match_option(option, "-XX:+AggressiveHeap", &tail)) { | |
3017 | |
3018 // This option inspects the machine and attempts to set various | |
3019 // parameters to be optimal for long-running, memory allocation | |
3020 // intensive jobs. It is intended for machines with large | |
3021 // amounts of cpu and memory. | |
3022 | |
3023 // initHeapSize is needed since _initial_heap_size is 4 bytes on a 32 bit | |
3024 // VM, but we may not be able to represent the total physical memory | |
3025 // available (like having 8gb of memory on a box but using a 32bit VM). | |
3026 // Thus, we need to make sure we're using a julong for intermediate | |
3027 // calculations. | |
3028 julong initHeapSize; | |
3029 julong total_memory = os::physical_memory(); | |
3030 | |
3031 if (total_memory < (julong)256*M) { | |
3032 jio_fprintf(defaultStream::error_stream(), | |
3033 "You need at least 256mb of memory to use -XX:+AggressiveHeap\n"); | |
3034 vm_exit(1); | |
3035 } | |
3036 | |
3037 // The heap size is half of available memory, or (at most) | |
3038 // all of possible memory less 160mb (leaving room for the OS | |
3039 // when using ISM). This is the maximum; because adaptive sizing | |
3040 // is turned on below, the actual space used may be smaller. | |
3041 | |
3042 initHeapSize = MIN2(total_memory / (julong)2, | |
3043 total_memory - (julong)160*M); | |
3044 | |
8854
754c24457b20
7112912: Message "Error occurred during initialization of VM" on boxes with lots of RAM
tschatzl
parents:
8824
diff
changeset
|
3045 initHeapSize = limit_by_allocatable_memory(initHeapSize); |
0 | 3046 |
3047 if (FLAG_IS_DEFAULT(MaxHeapSize)) { | |
3048 FLAG_SET_CMDLINE(uintx, MaxHeapSize, initHeapSize); | |
1064 | 3049 FLAG_SET_CMDLINE(uintx, InitialHeapSize, initHeapSize); |
0 | 3050 // Currently the minimum size and the initial heap sizes are the same. |
1064 | 3051 set_min_heap_size(initHeapSize); |
0 | 3052 } |
3053 if (FLAG_IS_DEFAULT(NewSize)) { | |
3054 // Make the young generation 3/8ths of the total heap. | |
3055 FLAG_SET_CMDLINE(uintx, NewSize, | |
3056 ((julong)MaxHeapSize / (julong)8) * (julong)3); | |
3057 FLAG_SET_CMDLINE(uintx, MaxNewSize, NewSize); | |
3058 } | |
3059 | |
6917
e81fbc04a942
7191817: -XX:+UseSerialGC -XX:+UseLargePages crashes with SIGFPE on MacOS X
coleenp
parents:
6916
diff
changeset
|
3060 #ifndef _ALLBSD_SOURCE // UseLargePages is not yet supported on BSD. |
0 | 3061 FLAG_SET_DEFAULT(UseLargePages, true); |
6917
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7191817: -XX:+UseSerialGC -XX:+UseLargePages crashes with SIGFPE on MacOS X
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6916
diff
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|
3062 #endif |
0 | 3063 |
3064 // Increase some data structure sizes for efficiency | |
3065 FLAG_SET_CMDLINE(uintx, BaseFootPrintEstimate, MaxHeapSize); | |
3066 FLAG_SET_CMDLINE(bool, ResizeTLAB, false); | |
3067 FLAG_SET_CMDLINE(uintx, TLABSize, 256*K); | |
3068 | |
3069 // See the OldPLABSize comment below, but replace 'after promotion' | |
3070 // with 'after copying'. YoungPLABSize is the size of the survivor | |
3071 // space per-gc-thread buffers. The default is 4kw. | |
3072 FLAG_SET_CMDLINE(uintx, YoungPLABSize, 256*K); // Note: this is in words | |
3073 | |
3074 // OldPLABSize is the size of the buffers in the old gen that | |
3075 // UseParallelGC uses to promote live data that doesn't fit in the | |
3076 // survivor spaces. At any given time, there's one for each gc thread. | |
3077 // The default size is 1kw. These buffers are rarely used, since the | |
3078 // survivor spaces are usually big enough. For specjbb, however, there | |
3079 // are occasions when there's lots of live data in the young gen | |
3080 // and we end up promoting some of it. We don't have a definite | |
3081 // explanation for why bumping OldPLABSize helps, but the theory | |
3082 // is that a bigger PLAB results in retaining something like the | |
3083 // original allocation order after promotion, which improves mutator | |
3084 // locality. A minor effect may be that larger PLABs reduce the | |
3085 // number of PLAB allocation events during gc. The value of 8kw | |
3086 // was arrived at by experimenting with specjbb. | |
3087 FLAG_SET_CMDLINE(uintx, OldPLABSize, 8*K); // Note: this is in words | |
3088 | |
3089 // Enable parallel GC and adaptive generation sizing | |
3090 FLAG_SET_CMDLINE(bool, UseParallelGC, true); | |
10
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jmasa
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0
diff
changeset
|
3091 FLAG_SET_DEFAULT(ParallelGCThreads, |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
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0
diff
changeset
|
3092 Abstract_VM_Version::parallel_worker_threads()); |
0 | 3093 |
3094 // Encourage steady state memory management | |
3095 FLAG_SET_CMDLINE(uintx, ThresholdTolerance, 100); | |
3096 | |
3097 // This appears to improve mutator locality | |
3098 FLAG_SET_CMDLINE(bool, ScavengeBeforeFullGC, false); | |
3099 | |
3100 // Get around early Solaris scheduling bug | |
3101 // (affinity vs other jobs on system) | |
3102 // but disallow DR and offlining (5008695). | |
3103 FLAG_SET_CMDLINE(bool, BindGCTaskThreadsToCPUs, true); | |
3104 | |
3105 } else if (match_option(option, "-XX:+NeverTenure", &tail)) { | |
3106 // The last option must always win. | |
3107 FLAG_SET_CMDLINE(bool, AlwaysTenure, false); | |
3108 FLAG_SET_CMDLINE(bool, NeverTenure, true); | |
3109 } else if (match_option(option, "-XX:+AlwaysTenure", &tail)) { | |
3110 // The last option must always win. | |
3111 FLAG_SET_CMDLINE(bool, NeverTenure, false); | |
3112 FLAG_SET_CMDLINE(bool, AlwaysTenure, true); | |
3113 } else if (match_option(option, "-XX:+CMSPermGenSweepingEnabled", &tail) || | |
3114 match_option(option, "-XX:-CMSPermGenSweepingEnabled", &tail)) { | |
3115 jio_fprintf(defaultStream::error_stream(), | |
3116 "Please use CMSClassUnloadingEnabled in place of " | |
3117 "CMSPermGenSweepingEnabled in the future\n"); | |
3118 } else if (match_option(option, "-XX:+UseGCTimeLimit", &tail)) { | |
3119 FLAG_SET_CMDLINE(bool, UseGCOverheadLimit, true); | |
3120 jio_fprintf(defaultStream::error_stream(), | |
3121 "Please use -XX:+UseGCOverheadLimit in place of " | |
3122 "-XX:+UseGCTimeLimit in the future\n"); | |
3123 } else if (match_option(option, "-XX:-UseGCTimeLimit", &tail)) { | |
3124 FLAG_SET_CMDLINE(bool, UseGCOverheadLimit, false); | |
3125 jio_fprintf(defaultStream::error_stream(), | |
3126 "Please use -XX:-UseGCOverheadLimit in place of " | |
3127 "-XX:-UseGCTimeLimit in the future\n"); | |
3128 // The TLE options are for compatibility with 1.3 and will be | |
3129 // removed without notice in a future release. These options | |
3130 // are not to be documented. | |
3131 } else if (match_option(option, "-XX:MaxTLERatio=", &tail)) { | |
3132 // No longer used. | |
3133 } else if (match_option(option, "-XX:+ResizeTLE", &tail)) { | |
3134 FLAG_SET_CMDLINE(bool, ResizeTLAB, true); | |
3135 } else if (match_option(option, "-XX:-ResizeTLE", &tail)) { | |
3136 FLAG_SET_CMDLINE(bool, ResizeTLAB, false); | |
3137 } else if (match_option(option, "-XX:+PrintTLE", &tail)) { | |
3138 FLAG_SET_CMDLINE(bool, PrintTLAB, true); | |
3139 } else if (match_option(option, "-XX:-PrintTLE", &tail)) { | |
3140 FLAG_SET_CMDLINE(bool, PrintTLAB, false); | |
3141 } else if (match_option(option, "-XX:TLEFragmentationRatio=", &tail)) { | |
3142 // No longer used. | |
3143 } else if (match_option(option, "-XX:TLESize=", &tail)) { | |
489
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6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
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483
diff
changeset
|
3144 julong long_tlab_size = 0; |
0 | 3145 ArgsRange errcode = parse_memory_size(tail, &long_tlab_size, 1); |
3146 if (errcode != arg_in_range) { | |
3147 jio_fprintf(defaultStream::error_stream(), | |
3148 "Invalid TLAB size: %s\n", option->optionString); | |
3149 describe_range_error(errcode); | |
3150 return JNI_EINVAL; | |
3151 } | |
3152 FLAG_SET_CMDLINE(uintx, TLABSize, long_tlab_size); | |
3153 } else if (match_option(option, "-XX:TLEThreadRatio=", &tail)) { | |
3154 // No longer used. | |
3155 } else if (match_option(option, "-XX:+UseTLE", &tail)) { | |
3156 FLAG_SET_CMDLINE(bool, UseTLAB, true); | |
3157 } else if (match_option(option, "-XX:-UseTLE", &tail)) { | |
3158 FLAG_SET_CMDLINE(bool, UseTLAB, false); | |
3159 } else if (match_option(option, "-XX:+DisplayVMOutputToStderr", &tail)) { | |
3160 FLAG_SET_CMDLINE(bool, DisplayVMOutputToStdout, false); | |
3161 FLAG_SET_CMDLINE(bool, DisplayVMOutputToStderr, true); | |
3162 } else if (match_option(option, "-XX:+DisplayVMOutputToStdout", &tail)) { | |
3163 FLAG_SET_CMDLINE(bool, DisplayVMOutputToStderr, false); | |
3164 FLAG_SET_CMDLINE(bool, DisplayVMOutputToStdout, true); | |
3165 } else if (match_option(option, "-XX:+ExtendedDTraceProbes", &tail)) { | |
4006 | 3166 #if defined(DTRACE_ENABLED) |
0 | 3167 FLAG_SET_CMDLINE(bool, ExtendedDTraceProbes, true); |
3168 FLAG_SET_CMDLINE(bool, DTraceMethodProbes, true); | |
3169 FLAG_SET_CMDLINE(bool, DTraceAllocProbes, true); | |
3170 FLAG_SET_CMDLINE(bool, DTraceMonitorProbes, true); | |
4006 | 3171 #else // defined(DTRACE_ENABLED) |
0 | 3172 jio_fprintf(defaultStream::error_stream(), |
4006 | 3173 "ExtendedDTraceProbes flag is not applicable for this configuration\n"); |
0 | 3174 return JNI_EINVAL; |
4006 | 3175 #endif // defined(DTRACE_ENABLED) |
0 | 3176 #ifdef ASSERT |
1145
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6631166: CMS: better heuristics when combatting fragmentation
ysr
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1074
diff
changeset
|
3177 } else if (match_option(option, "-XX:+FullGCALot", &tail)) { |
0 | 3178 FLAG_SET_CMDLINE(bool, FullGCALot, true); |
3179 // disable scavenge before parallel mark-compact | |
3180 FLAG_SET_CMDLINE(bool, ScavengeBeforeFullGC, false); | |
3181 #endif | |
1145
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6631166: CMS: better heuristics when combatting fragmentation
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diff
changeset
|
3182 } else if (match_option(option, "-XX:CMSParPromoteBlocksToClaim=", &tail)) { |
0 | 3183 julong cms_blocks_to_claim = (julong)atol(tail); |
3184 FLAG_SET_CMDLINE(uintx, CMSParPromoteBlocksToClaim, cms_blocks_to_claim); | |
3185 jio_fprintf(defaultStream::error_stream(), | |
1145
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3186 "Please use -XX:OldPLABSize in place of " |
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3187 "-XX:CMSParPromoteBlocksToClaim in the future\n"); |
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3188 } else if (match_option(option, "-XX:ParCMSPromoteBlocksToClaim=", &tail)) { |
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3189 julong cms_blocks_to_claim = (julong)atol(tail); |
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3190 FLAG_SET_CMDLINE(uintx, CMSParPromoteBlocksToClaim, cms_blocks_to_claim); |
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3191 jio_fprintf(defaultStream::error_stream(), |
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3192 "Please use -XX:OldPLABSize in place of " |
0 | 3193 "-XX:ParCMSPromoteBlocksToClaim in the future\n"); |
1145
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6631166: CMS: better heuristics when combatting fragmentation
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parents:
1074
diff
changeset
|
3194 } else if (match_option(option, "-XX:ParallelGCOldGenAllocBufferSize=", &tail)) { |
489
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6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
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483
diff
changeset
|
3195 julong old_plab_size = 0; |
0 | 3196 ArgsRange errcode = parse_memory_size(tail, &old_plab_size, 1); |
3197 if (errcode != arg_in_range) { | |
3198 jio_fprintf(defaultStream::error_stream(), | |
3199 "Invalid old PLAB size: %s\n", option->optionString); | |
3200 describe_range_error(errcode); | |
3201 return JNI_EINVAL; | |
3202 } | |
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
3203 FLAG_SET_CMDLINE(uintx, OldPLABSize, old_plab_size); |
0 | 3204 jio_fprintf(defaultStream::error_stream(), |
3205 "Please use -XX:OldPLABSize in place of " | |
3206 "-XX:ParallelGCOldGenAllocBufferSize in the future\n"); | |
1145
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3207 } else if (match_option(option, "-XX:ParallelGCToSpaceAllocBufferSize=", &tail)) { |
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
3208 julong young_plab_size = 0; |
0 | 3209 ArgsRange errcode = parse_memory_size(tail, &young_plab_size, 1); |
3210 if (errcode != arg_in_range) { | |
3211 jio_fprintf(defaultStream::error_stream(), | |
3212 "Invalid young PLAB size: %s\n", option->optionString); | |
3213 describe_range_error(errcode); | |
3214 return JNI_EINVAL; | |
3215 } | |
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
3216 FLAG_SET_CMDLINE(uintx, YoungPLABSize, young_plab_size); |
0 | 3217 jio_fprintf(defaultStream::error_stream(), |
3218 "Please use -XX:YoungPLABSize in place of " | |
3219 "-XX:ParallelGCToSpaceAllocBufferSize in the future\n"); | |
1284 | 3220 } else if (match_option(option, "-XX:CMSMarkStackSize=", &tail) || |
3221 match_option(option, "-XX:G1MarkStackSize=", &tail)) { | |
3222 julong stack_size = 0; | |
3223 ArgsRange errcode = parse_memory_size(tail, &stack_size, 1); | |
3224 if (errcode != arg_in_range) { | |
3225 jio_fprintf(defaultStream::error_stream(), | |
3226 "Invalid mark stack size: %s\n", option->optionString); | |
3227 describe_range_error(errcode); | |
3228 return JNI_EINVAL; | |
3229 } | |
3230 FLAG_SET_CMDLINE(uintx, MarkStackSize, stack_size); | |
3231 } else if (match_option(option, "-XX:CMSMarkStackSizeMax=", &tail)) { | |
3232 julong max_stack_size = 0; | |
3233 ArgsRange errcode = parse_memory_size(tail, &max_stack_size, 1); | |
3234 if (errcode != arg_in_range) { | |
3235 jio_fprintf(defaultStream::error_stream(), | |
3236 "Invalid maximum mark stack size: %s\n", | |
3237 option->optionString); | |
3238 describe_range_error(errcode); | |
3239 return JNI_EINVAL; | |
3240 } | |
3241 FLAG_SET_CMDLINE(uintx, MarkStackSizeMax, max_stack_size); | |
3242 } else if (match_option(option, "-XX:ParallelMarkingThreads=", &tail) || | |
3243 match_option(option, "-XX:ParallelCMSThreads=", &tail)) { | |
3244 uintx conc_threads = 0; | |
3245 if (!parse_uintx(tail, &conc_threads, 1)) { | |
3246 jio_fprintf(defaultStream::error_stream(), | |
3247 "Invalid concurrent threads: %s\n", option->optionString); | |
3248 return JNI_EINVAL; | |
3249 } | |
3250 FLAG_SET_CMDLINE(uintx, ConcGCThreads, conc_threads); | |
6199
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3251 } else if (match_option(option, "-XX:MaxDirectMemorySize=", &tail)) { |
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3252 julong max_direct_memory_size = 0; |
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3253 ArgsRange errcode = parse_memory_size(tail, &max_direct_memory_size, 0); |
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3254 if (errcode != arg_in_range) { |
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3255 jio_fprintf(defaultStream::error_stream(), |
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3256 "Invalid maximum direct memory size: %s\n", |
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3257 option->optionString); |
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3258 describe_range_error(errcode); |
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3259 return JNI_EINVAL; |
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3260 } |
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3261 FLAG_SET_CMDLINE(uintx, MaxDirectMemorySize, max_direct_memory_size); |
6878
85916677fc22
7188233: UseVMInterruptibleIO flag deprecate for JDK8
coleenp
parents:
6857
diff
changeset
|
3262 } else if (match_option(option, "-XX:+UseVMInterruptibleIO", &tail)) { |
85916677fc22
7188233: UseVMInterruptibleIO flag deprecate for JDK8
coleenp
parents:
6857
diff
changeset
|
3263 // NOTE! In JDK 9, the UseVMInterruptibleIO flag will completely go |
85916677fc22
7188233: UseVMInterruptibleIO flag deprecate for JDK8
coleenp
parents:
6857
diff
changeset
|
3264 // away and will cause VM initialization failures! |
85916677fc22
7188233: UseVMInterruptibleIO flag deprecate for JDK8
coleenp
parents:
6857
diff
changeset
|
3265 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
|
3266 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
|
3267 #if !INCLUDE_MANAGEMENT |
579f6adb7f51
8003539: Minimal VM don't react to -Dcom.sun.management and -XX:+ManagementServer
jprovino
parents:
8002
diff
changeset
|
3268 } 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
|
3269 jio_fprintf(defaultStream::error_stream(), |
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
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8105
diff
changeset
|
3270 "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
|
3271 return JNI_ERR; |
8081
579f6adb7f51
8003539: Minimal VM don't react to -Dcom.sun.management and -XX:+ManagementServer
jprovino
parents:
8002
diff
changeset
|
3272 #endif // INCLUDE_MANAGEMENT |
1145
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|
3273 } else if (match_option(option, "-XX:", &tail)) { // -XX:xxxx |
0 | 3274 // Skip -XX:Flags= since that case has already been handled |
3275 if (strncmp(tail, "Flags=", strlen("Flags=")) != 0) { | |
3276 if (!process_argument(tail, args->ignoreUnrecognized, origin)) { | |
3277 return JNI_EINVAL; | |
3278 } | |
3279 } | |
3280 // Unknown option | |
3281 } else if (is_bad_option(option, args->ignoreUnrecognized)) { | |
3282 return JNI_ERR; | |
3283 } | |
3284 } | |
3767
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
3285 |
20375
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
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20360
diff
changeset
|
3286 // PrintSharedArchiveAndExit will turn on |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
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parents:
20360
diff
changeset
|
3287 // -Xshare:on |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
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20360
diff
changeset
|
3288 // -XX:+TraceClassPaths |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
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20360
diff
changeset
|
3289 if (PrintSharedArchiveAndExit) { |
6e0cb14ce59b
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|
3290 FLAG_SET_CMDLINE(bool, UseSharedSpaces, true); |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
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20360
diff
changeset
|
3291 FLAG_SET_CMDLINE(bool, RequireSharedSpaces, true); |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
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20360
diff
changeset
|
3292 FLAG_SET_CMDLINE(bool, TraceClassPaths, true); |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
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20360
diff
changeset
|
3293 } |
6e0cb14ce59b
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20360
diff
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|
3294 |
449
171e581e8161
6554406: Change switch UseVMInterruptibleIO default to false (sol)
xlu
parents:
420
diff
changeset
|
3295 // 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
|
3296 // when working with older JDKs. |
1679
3d90023429ec
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
1628
diff
changeset
|
3297 #ifdef LINUX |
3d90023429ec
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
1628
diff
changeset
|
3298 if (JDK_Version::current().compare_major(6) <= 0 && |
3d90023429ec
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
1628
diff
changeset
|
3299 FLAG_IS_DEFAULT(UseLinuxPosixThreadCPUClocks)) { |
3d90023429ec
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
1628
diff
changeset
|
3300 FLAG_SET_DEFAULT(UseLinuxPosixThreadCPUClocks, false); |
3d90023429ec
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
1628
diff
changeset
|
3301 } |
3d90023429ec
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
1628
diff
changeset
|
3302 #endif // LINUX |
20375
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
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20360
diff
changeset
|
3303 fix_appclasspath(); |
0 | 3304 return JNI_OK; |
3305 } | |
3306 | |
20375
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3307 // Remove all empty paths from the app classpath (if IgnoreEmptyClassPaths is enabled) |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3308 // |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3309 // This is necessary because some apps like to specify classpath like -cp foo.jar:${XYZ}:bar.jar |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3310 // in their start-up scripts. If XYZ is empty, the classpath will look like "-cp foo.jar::bar.jar". |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3311 // Java treats such empty paths as if the user specified "-cp foo.jar:.:bar.jar". I.e., an empty |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3312 // path is treated as the current directory. |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3313 // |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3314 // This causes problems with CDS, which requires that all directories specified in the classpath |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3315 // must be empty. In most cases, applications do NOT want to load classes from the current |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3316 // directory anyway. Adding -XX:+IgnoreEmptyClassPaths will make these applications' start-up |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3317 // scripts compatible with CDS. |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3318 void Arguments::fix_appclasspath() { |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3319 if (IgnoreEmptyClassPaths) { |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3320 const char separator = *os::path_separator(); |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3321 const char* src = _java_class_path->value(); |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3322 |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3323 // skip over all the leading empty paths |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3324 while (*src == separator) { |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3325 src ++; |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3326 } |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3327 |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3328 char* copy = AllocateHeap(strlen(src) + 1, mtInternal); |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3329 strncpy(copy, src, strlen(src) + 1); |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3330 |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3331 // trim all trailing empty paths |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3332 for (char* tail = copy + strlen(copy) - 1; tail >= copy && *tail == separator; tail--) { |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3333 *tail = '\0'; |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3334 } |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3335 |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3336 char from[3] = {separator, separator, '\0'}; |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3337 char to [2] = {separator, '\0'}; |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3338 while (StringUtils::replace_no_expand(copy, from, to) > 0) { |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3339 // Keep replacing "::" -> ":" until we have no more "::" (non-windows) |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3340 // Keep replacing ";;" -> ";" until we have no more ";;" (windows) |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3341 } |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3342 |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3343 _java_class_path->set_value(copy); |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3344 FreeHeap(copy); // a copy was made by set_value, so don't need this anymore |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3345 } |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3346 |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3347 if (!PrintSharedArchiveAndExit) { |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3348 ClassLoader::trace_class_path("[classpath: ", _java_class_path->value()); |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3349 } |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3350 } |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3351 |
0 | 3352 jint Arguments::finalize_vm_init_args(SysClassPath* scp_p, bool scp_assembly_required) { |
3353 // This must be done after all -D arguments have been processed. | |
3354 scp_p->expand_endorsed(); | |
3355 | |
3356 if (scp_assembly_required || scp_p->get_endorsed() != NULL) { | |
3357 // Assemble the bootclasspath elements into the final path. | |
3358 Arguments::set_sysclasspath(scp_p->combined_path()); | |
3359 } | |
3360 | |
3361 // This must be done after all arguments have been processed. | |
3362 // java_compiler() true means set to "NONE" or empty. | |
3363 if (java_compiler() && !xdebug_mode()) { | |
3364 // For backwards compatibility, we switch to interpreted mode if | |
3365 // -Djava.compiler="NONE" or "" is specified AND "-Xdebug" was | |
3366 // not specified. | |
3367 set_mode_flags(_int); | |
3368 } | |
3369 if (CompileThreshold == 0) { | |
3370 set_mode_flags(_int); | |
3371 } | |
3372 | |
10292
acac2b03a07f
8014765: VM exits if MaxTenuringThreshold is set below the default InitialTenuringThreshold, and InitialTenuringThreshold is not set
tschatzl
parents:
10287
diff
changeset
|
3373 // 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
|
3374 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
|
3375 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
|
3376 } |
acac2b03a07f
8014765: VM exits if MaxTenuringThreshold is set below the default InitialTenuringThreshold, and InitialTenuringThreshold is not set
tschatzl
parents:
10287
diff
changeset
|
3377 |
0 | 3378 #ifndef COMPILER2 |
3379 // Don't degrade server performance for footprint | |
3380 if (FLAG_IS_DEFAULT(UseLargePages) && | |
3381 MaxHeapSize < LargePageHeapSizeThreshold) { | |
3382 // No need for large granularity pages w/small heaps. | |
3383 // Note that large pages are enabled/disabled for both the | |
3384 // Java heap and the code cache. | |
3385 FLAG_SET_DEFAULT(UseLargePages, false); | |
3386 } | |
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
3387 |
0 | 3388 #else |
3389 if (!FLAG_IS_DEFAULT(OptoLoopAlignment) && FLAG_IS_DEFAULT(MaxLoopPad)) { | |
3390 FLAG_SET_DEFAULT(MaxLoopPad, OptoLoopAlignment-1); | |
3391 } | |
3392 #endif | |
3393 | |
11999
79a5283f4595
8021120: TieredCompilation can be enabled even if TIERED is undefined
iignatyev
parents:
11154
diff
changeset
|
3394 #ifndef TIERED |
79a5283f4595
8021120: TieredCompilation can be enabled even if TIERED is undefined
iignatyev
parents:
11154
diff
changeset
|
3395 // Tiered compilation is undefined. |
79a5283f4595
8021120: TieredCompilation can be enabled even if TIERED is undefined
iignatyev
parents:
11154
diff
changeset
|
3396 UNSUPPORTED_OPTION(TieredCompilation, "TieredCompilation"); |
79a5283f4595
8021120: TieredCompilation can be enabled even if TIERED is undefined
iignatyev
parents:
11154
diff
changeset
|
3397 #endif |
79a5283f4595
8021120: TieredCompilation can be enabled even if TIERED is undefined
iignatyev
parents:
11154
diff
changeset
|
3398 |
1681
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3399 // 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
|
3400 // to be true unless the property has already been set. |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3401 // 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
|
3402 if (os::is_headless_jre()) { |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3403 const char* headless = Arguments::get_property("java.awt.headless"); |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3404 if (headless == NULL) { |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3405 char envbuffer[128]; |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3406 if (!os::getenv("JAVA_AWT_HEADLESS", envbuffer, sizeof(envbuffer))) { |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3407 if (!add_property("java.awt.headless=true")) { |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3408 return JNI_ENOMEM; |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3409 } |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3410 } else { |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3411 char buffer[256]; |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3412 strcpy(buffer, "java.awt.headless="); |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3413 strcat(buffer, envbuffer); |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3414 if (!add_property(buffer)) { |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3415 return JNI_ENOMEM; |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3416 } |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3417 } |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3418 } |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3419 } |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3420 |
20408
76af788b6c16
8057623: add an extension class for argument handling
jcoomes
parents:
20403
diff
changeset
|
3421 if (!ArgumentsExt::check_vm_args_consistency()) { |
0 | 3422 return JNI_ERR; |
3423 } | |
3424 | |
3425 return JNI_OK; | |
3426 } | |
3427 | |
3428 jint Arguments::parse_java_options_environment_variable(SysClassPath* scp_p, bool* scp_assembly_required_p) { | |
3429 return parse_options_environment_variable("_JAVA_OPTIONS", scp_p, | |
3430 scp_assembly_required_p); | |
3431 } | |
3432 | |
3433 jint Arguments::parse_java_tool_options_environment_variable(SysClassPath* scp_p, bool* scp_assembly_required_p) { | |
3434 return parse_options_environment_variable("JAVA_TOOL_OPTIONS", scp_p, | |
3435 scp_assembly_required_p); | |
3436 } | |
3437 | |
3438 jint Arguments::parse_options_environment_variable(const char* name, SysClassPath* scp_p, bool* scp_assembly_required_p) { | |
3439 const int N_MAX_OPTIONS = 64; | |
3440 const int OPTION_BUFFER_SIZE = 1024; | |
3441 char buffer[OPTION_BUFFER_SIZE]; | |
3442 | |
3443 // The variable will be ignored if it exceeds the length of the buffer. | |
3444 // Don't check this variable if user has special privileges | |
3445 // (e.g. unix su command). | |
3446 if (os::getenv(name, buffer, sizeof(buffer)) && | |
3447 !os::have_special_privileges()) { | |
3448 JavaVMOption options[N_MAX_OPTIONS]; // Construct option array | |
3449 jio_fprintf(defaultStream::error_stream(), | |
3450 "Picked up %s: %s\n", name, buffer); | |
3451 char* rd = buffer; // pointer to the input string (rd) | |
3452 int i; | |
3453 for (i = 0; i < N_MAX_OPTIONS;) { // repeat for all options in the input string | |
3454 while (isspace(*rd)) rd++; // skip whitespace | |
3455 if (*rd == 0) break; // we re done when the input string is read completely | |
3456 | |
3457 // The output, option string, overwrites the input string. | |
3458 // Because of quoting, the pointer to the option string (wrt) may lag the pointer to | |
3459 // input string (rd). | |
3460 char* wrt = rd; | |
3461 | |
3462 options[i++].optionString = wrt; // Fill in option | |
3463 while (*rd != 0 && !isspace(*rd)) { // unquoted strings terminate with a space or NULL | |
3464 if (*rd == '\'' || *rd == '"') { // handle a quoted string | |
3465 int quote = *rd; // matching quote to look for | |
3466 rd++; // don't copy open quote | |
3467 while (*rd != quote) { // include everything (even spaces) up until quote | |
3468 if (*rd == 0) { // string termination means unmatched string | |
3469 jio_fprintf(defaultStream::error_stream(), | |
3470 "Unmatched quote in %s\n", name); | |
3471 return JNI_ERR; | |
3472 } | |
3473 *wrt++ = *rd++; // copy to option string | |
3474 } | |
3475 rd++; // don't copy close quote | |
3476 } else { | |
3477 *wrt++ = *rd++; // copy to option string | |
3478 } | |
3479 } | |
3480 // Need to check if we're done before writing a NULL, | |
3481 // because the write could be to the byte that rd is pointing to. | |
3482 if (*rd++ == 0) { | |
3483 *wrt = 0; | |
3484 break; | |
3485 } | |
3486 *wrt = 0; // Zero terminate option | |
3487 } | |
3488 // Construct JavaVMInitArgs structure and parse as if it was part of the command line | |
3489 JavaVMInitArgs vm_args; | |
3490 vm_args.version = JNI_VERSION_1_2; | |
3491 vm_args.options = options; | |
3492 vm_args.nOptions = i; | |
564 | 3493 vm_args.ignoreUnrecognized = IgnoreUnrecognizedVMOptions; |
0 | 3494 |
3495 if (PrintVMOptions) { | |
3496 const char* tail; | |
3497 for (int i = 0; i < vm_args.nOptions; i++) { | |
3498 const JavaVMOption *option = vm_args.options + i; | |
3499 if (match_option(option, "-XX:", &tail)) { | |
3500 logOption(tail); | |
3501 } | |
3502 } | |
3503 } | |
3504 | |
12322
72b7e96c1922
8024545: make develop and notproduct flag values available in product builds
twisti
parents:
12269
diff
changeset
|
3505 return(parse_each_vm_init_arg(&vm_args, scp_p, scp_assembly_required_p, Flag::ENVIRON_VAR)); |
0 | 3506 } |
3507 return JNI_OK; | |
3508 } | |
3509 | |
2362
a2c2eac1ca62
7018056: large pages not always enabled by default
jcoomes
parents:
2302
diff
changeset
|
3510 void Arguments::set_shared_spaces_flags() { |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3511 if (DumpSharedSpaces) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3512 if (RequireSharedSpaces) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3513 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
|
3514 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3515 UseSharedSpaces = false; |
12056
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
3516 #ifdef _LP64 |
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
3517 if (!UseCompressedOops || !UseCompressedClassPointers) { |
12056
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
3518 vm_exit_during_initialization( |
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
3519 "Cannot dump shared archive when UseCompressedOops or UseCompressedClassPointers is off.", NULL); |
12056
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
3520 } |
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
3521 } else { |
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
3522 if (!UseCompressedOops || !UseCompressedClassPointers) { |
20375
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3523 no_shared_spaces("UseCompressedOops and UseCompressedClassPointers must be on for UseSharedSpaces."); |
12056
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
3524 } |
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
3525 #endif |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3526 } |
2362
a2c2eac1ca62
7018056: large pages not always enabled by default
jcoomes
parents:
2302
diff
changeset
|
3527 } |
1891
9de67bf4244d
6996136: VM crash in src/share/vm/runtime/virtualspace.cpp:424
iveresov
parents:
1890
diff
changeset
|
3528 |
9060
cc32ccaaf47f
8003310: Enable -Wunused-function when compiling with gcc
mikael
parents:
8847
diff
changeset
|
3529 #if !INCLUDE_ALL_GCS |
8086
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3530 static void force_serial_gc() { |
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3531 FLAG_SET_DEFAULT(UseSerialGC, true); |
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3532 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
|
3533 UNSUPPORTED_GC_OPTION(UseG1GC); |
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3534 UNSUPPORTED_GC_OPTION(UseParallelGC); |
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3535 UNSUPPORTED_GC_OPTION(UseParallelOldGC); |
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3536 UNSUPPORTED_GC_OPTION(UseConcMarkSweepGC); |
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3537 UNSUPPORTED_GC_OPTION(UseParNewGC); |
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3538 } |
9060
cc32ccaaf47f
8003310: Enable -Wunused-function when compiling with gcc
mikael
parents:
8847
diff
changeset
|
3539 #endif // INCLUDE_ALL_GCS |
8086
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3540 |
10270
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
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10264
diff
changeset
|
3541 // Sharing support |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
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parents:
10264
diff
changeset
|
3542 // Construct the path to the archive |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
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diff
changeset
|
3543 static char* get_shared_archive_path() { |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3544 char *shared_archive_path; |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3545 if (SharedArchiveFile == NULL) { |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3546 char jvm_path[JVM_MAXPATHLEN]; |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
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diff
changeset
|
3547 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
|
3548 char *end = strrchr(jvm_path, *os::file_separator()); |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3549 if (end != NULL) *end = '\0'; |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3550 size_t jvm_path_len = strlen(jvm_path); |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
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10264
diff
changeset
|
3551 size_t file_sep_len = strlen(os::file_separator()); |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
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10264
diff
changeset
|
3552 shared_archive_path = NEW_C_HEAP_ARRAY(char, jvm_path_len + |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3553 file_sep_len + 20, mtInternal); |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
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10264
diff
changeset
|
3554 if (shared_archive_path != NULL) { |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3555 strncpy(shared_archive_path, jvm_path, jvm_path_len + 1); |
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8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
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diff
changeset
|
3556 strncat(shared_archive_path, os::file_separator(), file_sep_len); |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
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diff
changeset
|
3557 strncat(shared_archive_path, "classes.jsa", 11); |
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8014138: Add VM option to facilitate the writing of CDS tests
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10264
diff
changeset
|
3558 } |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
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parents:
10264
diff
changeset
|
3559 } else { |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3560 shared_archive_path = NEW_C_HEAP_ARRAY(char, strlen(SharedArchiveFile) + 1, mtInternal); |
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8014138: Add VM option to facilitate the writing of CDS tests
hseigel
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diff
changeset
|
3561 if (shared_archive_path != NULL) { |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3562 strncpy(shared_archive_path, SharedArchiveFile, strlen(SharedArchiveFile) + 1); |
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8014138: Add VM option to facilitate the writing of CDS tests
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parents:
10264
diff
changeset
|
3563 } |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
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parents:
10264
diff
changeset
|
3564 } |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3565 return shared_archive_path; |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3566 } |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
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10264
diff
changeset
|
3567 |
12257
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3568 #ifndef PRODUCT |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3569 // Determine whether LogVMOutput should be implicitly turned on. |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3570 static bool use_vm_log() { |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3571 if (LogCompilation || !FLAG_IS_DEFAULT(LogFile) || |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3572 PrintCompilation || PrintInlining || PrintDependencies || PrintNativeNMethods || |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3573 PrintDebugInfo || PrintRelocations || PrintNMethods || PrintExceptionHandlers || |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3574 PrintAssembly || TraceDeoptimization || TraceDependencies || |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3575 (VerifyDependencies && FLAG_IS_CMDLINE(VerifyDependencies))) { |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3576 return true; |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3577 } |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3578 |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3579 #ifdef COMPILER1 |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3580 if (PrintC1Statistics) { |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3581 return true; |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3582 } |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3583 #endif // COMPILER1 |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3584 |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3585 #ifdef COMPILER2 |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3586 if (PrintOptoAssembly || PrintOptoStatistics) { |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3587 return true; |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3588 } |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3589 #endif // COMPILER2 |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3590 |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3591 return false; |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3592 } |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3593 #endif // PRODUCT |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3594 |
0 | 3595 // Parse entry point called from JNI_CreateJavaVM |
3596 | |
3597 jint Arguments::parse(const JavaVMInitArgs* args) { | |
3598 | |
3599 // Remaining part of option string | |
3600 const char* tail; | |
3601 | |
3602 // 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
|
3603 const char* hotspotrc = ".hotspotrc"; |
0 | 3604 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
|
3605 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
|
3606 |
564 | 3607 const char* flags_file; |
0 | 3608 int index; |
3609 for (index = 0; index < args->nOptions; index++) { | |
3610 const JavaVMOption *option = args->options + index; | |
3611 if (match_option(option, "-XX:Flags=", &tail)) { | |
564 | 3612 flags_file = tail; |
0 | 3613 settings_file_specified = true; |
3614 } | |
3615 if (match_option(option, "-XX:+PrintVMOptions", &tail)) { | |
3616 PrintVMOptions = true; | |
3617 } | |
253
b0fe4deeb9fb
6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.")
kvn
parents:
196
diff
changeset
|
3618 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
|
3619 PrintVMOptions = false; |
b0fe4deeb9fb
6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.")
kvn
parents:
196
diff
changeset
|
3620 } |
564 | 3621 if (match_option(option, "-XX:+IgnoreUnrecognizedVMOptions", &tail)) { |
3622 IgnoreUnrecognizedVMOptions = true; | |
3623 } | |
3624 if (match_option(option, "-XX:-IgnoreUnrecognizedVMOptions", &tail)) { | |
3625 IgnoreUnrecognizedVMOptions = false; | |
3626 } | |
1150 | 3627 if (match_option(option, "-XX:+PrintFlagsInitial", &tail)) { |
4773 | 3628 CommandLineFlags::printFlags(tty, false); |
1150 | 3629 vm_exit(0); |
3630 } | |
20360 | 3631 #if INCLUDE_NMT |
6197 | 3632 if (match_option(option, "-XX:NativeMemoryTracking", &tail)) { |
20360 | 3633 // The launcher did not setup nmt environment variable properly. |
20395
f5164941749c
8054547: Re-enable warning for incompatible java launcher
zgu
parents:
20388
diff
changeset
|
3634 if (!MemTracker::check_launcher_nmt_support(tail)) { |
f5164941749c
8054547: Re-enable warning for incompatible java launcher
zgu
parents:
20388
diff
changeset
|
3635 warning("Native Memory Tracking did not setup properly, using wrong launcher?"); |
f5164941749c
8054547: Re-enable warning for incompatible java launcher
zgu
parents:
20388
diff
changeset
|
3636 } |
20360 | 3637 |
3638 // Verify if nmt option is valid. | |
3639 if (MemTracker::verify_nmt_option()) { | |
3640 // Late initialization, still in single-threaded mode. | |
3641 if (MemTracker::tracking_level() >= NMT_summary) { | |
3642 MemTracker::init(); | |
3643 } | |
3644 } else { | |
3645 vm_exit_during_initialization("Syntax error, expecting -XX:NativeMemoryTracking=[off|summary|detail]", NULL); | |
3646 } | |
3647 } | |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3648 #endif |
6197 | 3649 |
1768
6ee479178066
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
1745
diff
changeset
|
3650 |
6ee479178066
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
1745
diff
changeset
|
3651 #ifndef PRODUCT |
6ee479178066
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
1745
diff
changeset
|
3652 if (match_option(option, "-XX:+PrintFlagsWithComments", &tail)) { |
4773 | 3653 CommandLineFlags::printFlags(tty, true); |
1768
6ee479178066
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
1745
diff
changeset
|
3654 vm_exit(0); |
6ee479178066
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
1745
diff
changeset
|
3655 } |
6ee479178066
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
1745
diff
changeset
|
3656 #endif |
564 | 3657 } |
3658 | |
3659 if (IgnoreUnrecognizedVMOptions) { | |
3660 // uncast const to modify the flag args->ignoreUnrecognized | |
3661 *(jboolean*)(&args->ignoreUnrecognized) = true; | |
3662 } | |
3663 | |
3664 // Parse specified settings file | |
3665 if (settings_file_specified) { | |
3666 if (!process_settings_file(flags_file, true, args->ignoreUnrecognized)) { | |
3667 return JNI_EINVAL; | |
3668 } | |
6196
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
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6158
diff
changeset
|
3669 } else { |
6150
1e76463170b3
7110720: Issue with vm config file loadingIssue with vm config file loading
kamg
parents:
4780
diff
changeset
|
3670 #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
|
3671 // Parse default .hotspotrc settings file |
0 | 3672 if (!process_settings_file(".hotspotrc", false, args->ignoreUnrecognized)) { |
3673 return JNI_EINVAL; | |
3674 } | |
6196
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
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6158
diff
changeset
|
3675 #else |
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
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6158
diff
changeset
|
3676 struct stat buf; |
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
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6158
diff
changeset
|
3677 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
|
3678 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
|
3679 } |
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
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6158
diff
changeset
|
3680 #endif |
0 | 3681 } |
3682 | |
3683 if (PrintVMOptions) { | |
3684 for (index = 0; index < args->nOptions; index++) { | |
3685 const JavaVMOption *option = args->options + index; | |
3686 if (match_option(option, "-XX:", &tail)) { | |
3687 logOption(tail); | |
3688 } | |
3689 } | |
3690 } | |
3691 | |
3692 // Parse JavaVMInitArgs structure passed in, as well as JAVA_TOOL_OPTIONS and _JAVA_OPTIONS | |
3693 jint result = parse_vm_init_args(args); | |
3694 if (result != JNI_OK) { | |
3695 return result; | |
3696 } | |
3697 | |
10270
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
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10264
diff
changeset
|
3698 // 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
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10264
diff
changeset
|
3699 SharedArchivePath = get_shared_archive_path(); |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3700 if (SharedArchivePath == NULL) { |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3701 return JNI_ENOMEM; |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3702 } |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3703 |
6196
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3704 // 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
|
3705 // 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
|
3706 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
|
3707 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
|
3708 "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
|
3709 hotspotrc, hotspotrc); |
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3710 } |
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3711 |
6917
e81fbc04a942
7191817: -XX:+UseSerialGC -XX:+UseLargePages crashes with SIGFPE on MacOS X
coleenp
parents:
6916
diff
changeset
|
3712 #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
|
3713 UNSUPPORTED_OPTION(UseLargePages, "-XX:+UseLargePages"); |
e81fbc04a942
7191817: -XX:+UseSerialGC -XX:+UseLargePages crashes with SIGFPE on MacOS X
coleenp
parents:
6916
diff
changeset
|
3714 #endif |
e81fbc04a942
7191817: -XX:+UseSerialGC -XX:+UseLargePages crashes with SIGFPE on MacOS X
coleenp
parents:
6916
diff
changeset
|
3715 |
8086
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3716 #if INCLUDE_ALL_GCS |
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3717 #if (defined JAVASE_EMBEDDED || defined ARM) |
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3718 UNSUPPORTED_OPTION(UseG1GC, "G1 GC"); |
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3719 #endif |
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3720 #endif |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3721 |
0 | 3722 #ifndef PRODUCT |
3723 if (TraceBytecodesAt != 0) { | |
3724 TraceBytecodes = true; | |
3725 } | |
3726 if (CountCompiledCalls) { | |
3727 if (UseCounterDecay) { | |
3728 warning("UseCounterDecay disabled because CountCalls is set"); | |
3729 UseCounterDecay = false; | |
3730 } | |
3731 } | |
3732 #endif // PRODUCT | |
3733 | |
2416
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3734 // 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
|
3735 if (!JDK_Version::is_gte_jdk17x_version()) { |
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3736 if (EnableInvokeDynamic) { |
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3737 if (!FLAG_IS_DEFAULT(EnableInvokeDynamic)) { |
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3738 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
|
3739 } |
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3740 EnableInvokeDynamic = false; |
710 | 3741 } |
3742 } | |
2416
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3743 |
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3744 if (EnableInvokeDynamic && ScavengeRootsInCode == 0) { |
989
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
932
diff
changeset
|
3745 if (!FLAG_IS_DEFAULT(ScavengeRootsInCode)) { |
2416
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3746 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
|
3747 } |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
932
diff
changeset
|
3748 ScavengeRootsInCode = 1; |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
932
diff
changeset
|
3749 } |
710 | 3750 |
0 | 3751 if (PrintGCDetails) { |
3752 // Turn on -verbose:gc options as well | |
3753 PrintGC = true; | |
3754 } | |
3755 | |
6064
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
3756 if (!JDK_Version::is_gte_jdk18x_version()) { |
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
3757 // 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
|
3758 // true by default in JDK8 and above. |
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
3759 if (FLAG_IS_DEFAULT(PrintGCCause)) { |
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
3760 FLAG_SET_DEFAULT(PrintGCCause, false); |
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
3761 } |
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
3762 } |
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
3763 |
1571
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
3764 // 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
|
3765 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
|
3766 |
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
3767 #if !INCLUDE_ALL_GCS |
1064 | 3768 force_serial_gc(); |
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
3769 #endif // INCLUDE_ALL_GCS |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3770 #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
|
3771 if (DumpSharedSpaces || RequireSharedSpaces) { |
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
3772 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
|
3773 "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
|
3774 return JNI_ERR; |
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
3775 } |
8724
69ffa4ac9e53
8009835: Only produce a warning when -Xshare:auto is explicitly requested
jprovino
parents:
8720
diff
changeset
|
3776 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
|
3777 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
|
3778 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
|
3779 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
|
3780 } |
20375
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3781 no_shared_spaces("CDS Disabled"); |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3782 #endif // INCLUDE_CDS |
0 | 3783 |
12233
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
3784 return JNI_OK; |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
3785 } |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
3786 |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
3787 jint Arguments::apply_ergo() { |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
3788 |
0 | 3789 // Set flags based on ergonomics. |
3790 set_ergonomics_flags(); | |
3791 | |
2362
a2c2eac1ca62
7018056: large pages not always enabled by default
jcoomes
parents:
2302
diff
changeset
|
3792 set_shared_spaces_flags(); |
1135
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1131
diff
changeset
|
3793 |
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
3794 // Check the GC selections again. |
20408
76af788b6c16
8057623: add an extension class for argument handling
jcoomes
parents:
20403
diff
changeset
|
3795 if (!ArgumentsExt::check_gc_consistency_ergo()) { |
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
3796 return JNI_EINVAL; |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
3797 } |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
3798 |
1783 | 3799 if (TieredCompilation) { |
3800 set_tiered_flags(); | |
3801 } else { | |
3802 // Check if the policy is valid. Policies 0 and 1 are valid for non-tiered setup. | |
3803 if (CompilationPolicyChoice >= 2) { | |
3804 vm_exit_during_initialization( | |
3805 "Incompatible compilation policy selected", NULL); | |
3806 } | |
3807 } | |
13074
78da3894b86f
8027593: performance drop with constrained codecache starting with hs25 b111
anoll
parents:
13008
diff
changeset
|
3808 // Set NmethodSweepFraction after the size of the code cache is adapted (in case of tiered) |
78da3894b86f
8027593: performance drop with constrained codecache starting with hs25 b111
anoll
parents:
13008
diff
changeset
|
3809 if (FLAG_IS_DEFAULT(NmethodSweepFraction)) { |
78da3894b86f
8027593: performance drop with constrained codecache starting with hs25 b111
anoll
parents:
13008
diff
changeset
|
3810 FLAG_SET_DEFAULT(NmethodSweepFraction, 1 + ReservedCodeCacheSize / (16 * M)); |
78da3894b86f
8027593: performance drop with constrained codecache starting with hs25 b111
anoll
parents:
13008
diff
changeset
|
3811 } |
78da3894b86f
8027593: performance drop with constrained codecache starting with hs25 b111
anoll
parents:
13008
diff
changeset
|
3812 |
1783 | 3813 |
2368
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
3814 // Set heap size based on available physical memory |
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
3815 set_heap_size(); |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3816 |
20403
8ec8971f511a
8057531: refactor gc argument processing code slightly
jcoomes
parents:
20395
diff
changeset
|
3817 set_gc_specific_flags(); |
0 | 3818 |
12838
85c1ca43713f
8024547: MaxMetaspaceSize should limit the committed memory used by the metaspaces
stefank
parents:
12831
diff
changeset
|
3819 // Initialize Metaspace flags and alignments. |
85c1ca43713f
8024547: MaxMetaspaceSize should limit the committed memory used by the metaspaces
stefank
parents:
12831
diff
changeset
|
3820 Metaspace::ergo_initialize(); |
85c1ca43713f
8024547: MaxMetaspaceSize should limit the committed memory used by the metaspaces
stefank
parents:
12831
diff
changeset
|
3821 |
0 | 3822 // Set bytecode rewriting flags |
3823 set_bytecode_flags(); | |
3824 | |
3825 // Set flags if Aggressive optimization flags (-XX:+AggressiveOpts) enabled. | |
3826 set_aggressive_opts_flags(); | |
3827 | |
2239
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3828 // Turn off biased locking for locking debug mode flags, |
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3829 // 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
|
3830 // biased locking. |
2331 | 3831 if (UseHeavyMonitors |
3832 #ifdef COMPILER1 | |
3833 || !UseFastLocking | |
3834 #endif // COMPILER1 | |
3835 ) { | |
2239
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3836 if (!FLAG_IS_DEFAULT(UseBiasedLocking) && UseBiasedLocking) { |
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3837 // 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
|
3838 // can't enable biased locking here |
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3839 warning("Biased Locking is not supported with locking debug flags" |
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3840 "; ignoring UseBiasedLocking flag." ); |
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3841 } |
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3842 UseBiasedLocking = false; |
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3843 } |
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3844 |
14420
abe03600372a
8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents:
14412
diff
changeset
|
3845 #ifdef ZERO |
abe03600372a
8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents:
14412
diff
changeset
|
3846 // Clear flags not supported on zero. |
1131 | 3847 FLAG_SET_DEFAULT(ProfileInterpreter, false); |
0 | 3848 FLAG_SET_DEFAULT(UseBiasedLocking, false); |
1131 | 3849 LP64_ONLY(FLAG_SET_DEFAULT(UseCompressedOops, false)); |
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
3850 LP64_ONLY(FLAG_SET_DEFAULT(UseCompressedClassPointers, false)); |
1131 | 3851 #endif // CC_INTERP |
3852 | |
420
a1980da045cc
6462850: generate biased locking code in C2 ideal graph
kvn
parents:
416
diff
changeset
|
3853 #ifdef COMPILER2 |
4777 | 3854 if (!EliminateLocks) { |
3855 EliminateNestedLocks = false; | |
3856 } | |
7473 | 3857 if (!Inline) { |
3858 IncrementalInline = false; | |
3859 } | |
3860 #ifndef PRODUCT | |
3861 if (!IncrementalInline) { | |
3862 AlwaysIncrementalInline = false; | |
3863 } | |
3864 #endif | |
3865 if (IncrementalInline && FLAG_IS_DEFAULT(MaxNodeLimit)) { | |
3866 // incremental inlining: bump MaxNodeLimit | |
3867 FLAG_SET_DEFAULT(MaxNodeLimit, (intx)75000); | |
3868 } | |
12966 | 3869 if (!UseTypeSpeculation && FLAG_IS_DEFAULT(TypeProfileLevel)) { |
3870 // nothing to use the profiling, turn if off | |
3871 FLAG_SET_DEFAULT(TypeProfileLevel, 0); | |
3872 } | |
420
a1980da045cc
6462850: generate biased locking code in C2 ideal graph
kvn
parents:
416
diff
changeset
|
3873 #endif |
a1980da045cc
6462850: generate biased locking code in C2 ideal graph
kvn
parents:
416
diff
changeset
|
3874 |
1155
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1150
diff
changeset
|
3875 if (PrintAssembly && FLAG_IS_DEFAULT(DebugNonSafepoints)) { |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1150
diff
changeset
|
3876 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
|
3877 DebugNonSafepoints = true; |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1150
diff
changeset
|
3878 } |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1150
diff
changeset
|
3879 |
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
3880 if (FLAG_IS_CMDLINE(CompressedClassSpaceSize) && !UseCompressedClassPointers) { |
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
3881 warning("Setting CompressedClassSpaceSize has no effect when compressed class pointers are not used"); |
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
3882 } |
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
3883 |
1188
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
3884 #ifndef PRODUCT |
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
3885 if (CompileTheWorld) { |
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
3886 // 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
|
3887 if (FLAG_IS_DEFAULT(NmethodSweepFraction)) { |
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
3888 NmethodSweepFraction = 1; |
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
3889 } |
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
3890 } |
12257
01b268b3080a
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3891 |
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3892 if (!LogVMOutput && FLAG_IS_DEFAULT(LogVMOutput)) { |
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3893 if (use_vm_log()) { |
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3894 LogVMOutput = true; |
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3895 } |
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3896 } |
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3897 #endif // PRODUCT |
1188
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3898 |
0 | 3899 if (PrintCommandLineFlags) { |
4773 | 3900 CommandLineFlags::printSetFlags(tty); |
0 | 3901 } |
3902 | |
1681
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3903 // Apply CPU specific policy for the BiasedLocking |
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3904 if (UseBiasedLocking) { |
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3905 if (!VM_Version::use_biased_locking() && |
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3906 !(FLAG_IS_CMDLINE(UseBiasedLocking))) { |
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3907 UseBiasedLocking = false; |
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3908 } |
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3909 } |
17780 | 3910 #ifdef COMPILER2 |
3911 if (!UseBiasedLocking || EmitSync != 0) { | |
3912 UseOptoBiasInlining = false; | |
3913 } | |
3914 #endif | |
1681
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3915 |
2302
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3916 // set PauseAtExit if the gamma launcher was used and a debugger is attached |
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3917 // but only if not already set on the commandline |
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3918 if (Arguments::created_by_gamma_launcher() && os::is_debugger_attached()) { |
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3919 bool set = false; |
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3920 CommandLineFlags::wasSetOnCmdline("PauseAtExit", &set); |
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3921 if (!set) { |
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3922 FLAG_SET_DEFAULT(PauseAtExit, true); |
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3923 } |
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3924 } |
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3925 |
0 | 3926 return JNI_OK; |
3927 } | |
3928 | |
7177
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3929 jint Arguments::adjust_after_os() { |
20241 | 3930 if (UseNUMA) { |
3931 if (UseParallelGC || UseParallelOldGC) { | |
7177
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3932 if (FLAG_IS_DEFAULT(MinHeapDeltaBytes)) { |
20241 | 3933 FLAG_SET_DEFAULT(MinHeapDeltaBytes, 64*M); |
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3934 } |
20241 | 3935 } |
3936 // UseNUMAInterleaving is set to ON for all collectors and | |
3937 // platforms when UseNUMA is set to ON. NUMA-aware collectors | |
3938 // such as the parallel collector for Linux and Solaris will | |
3939 // interleave old gen and survivor spaces on top of NUMA | |
3940 // allocation policy for the eden space. | |
3941 // Non NUMA-aware collectors such as CMS, G1 and Serial-GC on | |
3942 // all platforms and ParallelGC on Windows will interleave all | |
3943 // of the heap spaces across NUMA nodes. | |
3944 if (FLAG_IS_DEFAULT(UseNUMAInterleaving)) { | |
3945 FLAG_SET_ERGO(bool, UseNUMAInterleaving, true); | |
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3946 } |
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3947 } |
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3948 return JNI_OK; |
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3949 } |
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3950 |
0 | 3951 int Arguments::PropertyList_count(SystemProperty* pl) { |
3952 int count = 0; | |
3953 while(pl != NULL) { | |
3954 count++; | |
3955 pl = pl->next(); | |
3956 } | |
3957 return count; | |
3958 } | |
3959 | |
3960 const char* Arguments::PropertyList_get_value(SystemProperty *pl, const char* key) { | |
3961 assert(key != NULL, "just checking"); | |
3962 SystemProperty* prop; | |
3963 for (prop = pl; prop != NULL; prop = prop->next()) { | |
3964 if (strcmp(key, prop->key()) == 0) return prop->value(); | |
3965 } | |
3966 return NULL; | |
3967 } | |
3968 | |
3969 const char* Arguments::PropertyList_get_key_at(SystemProperty *pl, int index) { | |
3970 int count = 0; | |
3971 const char* ret_val = NULL; | |
3972 | |
3973 while(pl != NULL) { | |
3974 if(count >= index) { | |
3975 ret_val = pl->key(); | |
3976 break; | |
3977 } | |
3978 count++; | |
3979 pl = pl->next(); | |
3980 } | |
3981 | |
3982 return ret_val; | |
3983 } | |
3984 | |
3985 char* Arguments::PropertyList_get_value_at(SystemProperty* pl, int index) { | |
3986 int count = 0; | |
3987 char* ret_val = NULL; | |
3988 | |
3989 while(pl != NULL) { | |
3990 if(count >= index) { | |
3991 ret_val = pl->value(); | |
3992 break; | |
3993 } | |
3994 count++; | |
3995 pl = pl->next(); | |
3996 } | |
3997 | |
3998 return ret_val; | |
3999 } | |
4000 | |
4001 void Arguments::PropertyList_add(SystemProperty** plist, SystemProperty *new_p) { | |
4002 SystemProperty* p = *plist; | |
4003 if (p == NULL) { | |
4004 *plist = new_p; | |
4005 } else { | |
4006 while (p->next() != NULL) { | |
4007 p = p->next(); | |
4008 } | |
4009 p->set_next(new_p); | |
4010 } | |
4011 } | |
4012 | |
4013 void Arguments::PropertyList_add(SystemProperty** plist, const char* k, char* v) { | |
4014 if (plist == NULL) | |
4015 return; | |
4016 | |
4017 SystemProperty* new_p = new SystemProperty(k, v, true); | |
4018 PropertyList_add(plist, new_p); | |
4019 } | |
4020 | |
4021 // This add maintains unique property key in the list. | |
691 | 4022 void Arguments::PropertyList_unique_add(SystemProperty** plist, const char* k, char* v, jboolean append) { |
0 | 4023 if (plist == NULL) |
4024 return; | |
4025 | |
4026 // If property key exist then update with new value. | |
4027 SystemProperty* prop; | |
4028 for (prop = *plist; prop != NULL; prop = prop->next()) { | |
4029 if (strcmp(k, prop->key()) == 0) { | |
691 | 4030 if (append) { |
4031 prop->append_value(v); | |
4032 } else { | |
4033 prop->set_value(v); | |
4034 } | |
0 | 4035 return; |
4036 } | |
4037 } | |
4038 | |
4039 PropertyList_add(plist, k, v); | |
4040 } | |
4041 | |
4042 // Copies src into buf, replacing "%%" with "%" and "%p" with pid | |
4043 // Returns true if all of the source pointed by src has been copied over to | |
4044 // the destination buffer pointed by buf. Otherwise, returns false. | |
4045 // Notes: | |
4046 // 1. If the length (buflen) of the destination buffer excluding the | |
4047 // NULL terminator character is not long enough for holding the expanded | |
4048 // pid characters, it also returns false instead of returning the partially | |
4049 // expanded one. | |
4050 // 2. The passed in "buflen" should be large enough to hold the null terminator. | |
4051 bool Arguments::copy_expand_pid(const char* src, size_t srclen, | |
4052 char* buf, size_t buflen) { | |
4053 const char* p = src; | |
4054 char* b = buf; | |
4055 const char* src_end = &src[srclen]; | |
4056 char* buf_end = &buf[buflen - 1]; | |
4057 | |
4058 while (p < src_end && b < buf_end) { | |
4059 if (*p == '%') { | |
4060 switch (*(++p)) { | |
4061 case '%': // "%%" ==> "%" | |
4062 *b++ = *p++; | |
4063 break; | |
4064 case 'p': { // "%p" ==> current process id | |
4065 // buf_end points to the character before the last character so | |
4066 // that we could write '\0' to the end of the buffer. | |
4067 size_t buf_sz = buf_end - b + 1; | |
4068 int ret = jio_snprintf(b, buf_sz, "%d", os::current_process_id()); | |
4069 | |
4070 // if jio_snprintf fails or the buffer is not long enough to hold | |
4071 // the expanded pid, returns false. | |
4072 if (ret < 0 || ret >= (int)buf_sz) { | |
4073 return false; | |
4074 } else { | |
4075 b += ret; | |
4076 assert(*b == '\0', "fail in copy_expand_pid"); | |
4077 if (p == src_end && b == buf_end + 1) { | |
4078 // reach the end of the buffer. | |
4079 return true; | |
4080 } | |
4081 } | |
4082 p++; | |
4083 break; | |
4084 } | |
4085 default : | |
4086 *b++ = '%'; | |
4087 } | |
4088 } else { | |
4089 *b++ = *p++; | |
4090 } | |
4091 } | |
4092 *b = '\0'; | |
4093 return (p == src_end); // return false if not all of the source was copied | |
4094 } |