Mercurial > hg > truffle
annotate src/share/vm/runtime/arguments.cpp @ 14714:b602356a9cfc
additional canonicalizers for accesses and value nodes (improves number of implicit null checks)
author | Lukas Stadler <lukas.stadler@oracle.com> |
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date | Thu, 20 Mar 2014 17:15:36 +0100 |
parents | b51e29501f30 |
children | 92aa6797d639 |
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" |
26 #include "classfile/javaAssertions.hpp" | |
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27 #include "classfile/symbolTable.hpp" |
1972 | 28 #include "compiler/compilerOracle.hpp" |
29 #include "memory/allocation.inline.hpp" | |
30 #include "memory/cardTableRS.hpp" | |
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31 #include "memory/genCollectedHeap.hpp" |
1972 | 32 #include "memory/referenceProcessor.hpp" |
33 #include "memory/universe.inline.hpp" | |
34 #include "oops/oop.inline.hpp" | |
35 #include "prims/jvmtiExport.hpp" | |
36 #include "runtime/arguments.hpp" | |
37 #include "runtime/globals_extension.hpp" | |
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38 #include "runtime/gpu.hpp" |
1972 | 39 #include "runtime/java.hpp" |
40 #include "services/management.hpp" | |
6197 | 41 #include "services/memTracker.hpp" |
1972 | 42 #include "utilities/defaultStream.hpp" |
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43 #include "utilities/macros.hpp" |
1972 | 44 #include "utilities/taskqueue.hpp" |
45 #ifdef TARGET_OS_FAMILY_linux | |
46 # include "os_linux.inline.hpp" | |
47 #endif | |
48 #ifdef TARGET_OS_FAMILY_solaris | |
49 # include "os_solaris.inline.hpp" | |
50 #endif | |
51 #ifdef TARGET_OS_FAMILY_windows | |
52 # include "os_windows.inline.hpp" | |
53 #endif | |
14411 | 54 #ifdef TARGET_OS_FAMILY_aix |
55 # include "os_aix.inline.hpp" | |
56 #endif | |
3960 | 57 #ifdef TARGET_OS_FAMILY_bsd |
58 # include "os_bsd.inline.hpp" | |
59 #endif | |
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60 #if INCLUDE_ALL_GCS |
1972 | 61 #include "gc_implementation/concurrentMarkSweep/compactibleFreeListSpace.hpp" |
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62 #include "gc_implementation/g1/g1CollectedHeap.inline.hpp" |
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63 #include "gc_implementation/parallelScavenge/parallelScavengeHeap.hpp" |
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64 #endif // INCLUDE_ALL_GCS |
0 | 65 |
2474 | 66 // Note: This is a special bug reporting site for the JVM |
67 #define DEFAULT_VENDOR_URL_BUG "http://bugreport.sun.com/bugreport/crash.jsp" | |
0 | 68 #define DEFAULT_JAVA_LAUNCHER "generic" |
69 | |
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70 // Disable options not supported in this release, with a warning if they |
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71 // were explicitly requested on the command-line |
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72 #define UNSUPPORTED_OPTION(opt, description) \ |
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73 do { \ |
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74 if (opt) { \ |
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75 if (FLAG_IS_CMDLINE(opt)) { \ |
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76 warning(description " is disabled in this release."); \ |
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77 } \ |
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78 FLAG_SET_DEFAULT(opt, false); \ |
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79 } \ |
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80 } while(0) |
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81 |
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82 #define UNSUPPORTED_GC_OPTION(gc) \ |
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83 do { \ |
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84 if (gc) { \ |
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85 if (FLAG_IS_CMDLINE(gc)) { \ |
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86 warning(#gc " is not supported in this VM. Using Serial GC."); \ |
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87 } \ |
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88 FLAG_SET_DEFAULT(gc, false); \ |
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89 } \ |
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90 } while(0) |
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91 |
0 | 92 char** Arguments::_jvm_flags_array = NULL; |
93 int Arguments::_num_jvm_flags = 0; | |
94 char** Arguments::_jvm_args_array = NULL; | |
95 int Arguments::_num_jvm_args = 0; | |
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96 #ifdef GRAAL |
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97 char** Arguments::_graal_args_array = NULL; |
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98 int Arguments::_num_graal_args = 0; |
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99 #endif |
0 | 100 char* Arguments::_java_command = NULL; |
101 SystemProperty* Arguments::_system_properties = NULL; | |
102 const char* Arguments::_gc_log_filename = NULL; | |
103 bool Arguments::_has_profile = false; | |
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104 size_t Arguments::_conservative_max_heap_alignment = 0; |
0 | 105 uintx Arguments::_min_heap_size = 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::_sun_java_launcher_is_altjvm = 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) { | |
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162 // See if sun.java.launcher, sun.java.launcher.is_altjvm or |
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163 // sun.java.launcher.pid is defined. |
0 | 164 // Must do this before setting up other system properties, |
165 // as some of them may depend on launcher type. | |
166 for (int index = 0; index < args->nOptions; index++) { | |
167 const JavaVMOption* option = args->options + index; | |
168 const char* tail; | |
169 | |
170 if (match_option(option, "-Dsun.java.launcher=", &tail)) { | |
171 process_java_launcher_argument(tail, option->extraInfo); | |
172 continue; | |
173 } | |
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174 if (match_option(option, "-Dsun.java.launcher.is_altjvm=", &tail)) { |
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175 if (strcmp(tail, "true") == 0) { |
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176 _sun_java_launcher_is_altjvm = true; |
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177 } |
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178 continue; |
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179 } |
0 | 180 if (match_option(option, "-Dsun.java.launcher.pid=", &tail)) { |
181 _sun_java_launcher_pid = atoi(tail); | |
182 continue; | |
183 } | |
184 } | |
185 } | |
186 | |
187 // Initialize system properties key and value. | |
188 void Arguments::init_system_properties() { | |
189 | |
190 PropertyList_add(&_system_properties, new SystemProperty("java.vm.specification.name", | |
191 "Java Virtual Machine Specification", false)); | |
192 PropertyList_add(&_system_properties, new SystemProperty("java.vm.version", VM_Version::vm_release(), false)); | |
193 PropertyList_add(&_system_properties, new SystemProperty("java.vm.name", VM_Version::vm_name(), false)); | |
194 PropertyList_add(&_system_properties, new SystemProperty("java.vm.info", VM_Version::vm_info_string(), true)); | |
195 | |
14309 | 196 // Following are JVMTI agent writable properties. |
0 | 197 // Properties values are set to NULL and they are |
198 // os specific they are initialized in os::init_system_properties_values(). | |
199 _java_ext_dirs = new SystemProperty("java.ext.dirs", NULL, true); | |
200 _java_endorsed_dirs = new SystemProperty("java.endorsed.dirs", NULL, true); | |
201 _sun_boot_library_path = new SystemProperty("sun.boot.library.path", NULL, true); | |
202 _java_library_path = new SystemProperty("java.library.path", NULL, true); | |
203 _java_home = new SystemProperty("java.home", NULL, true); | |
204 _sun_boot_class_path = new SystemProperty("sun.boot.class.path", NULL, true); | |
205 | |
206 _java_class_path = new SystemProperty("java.class.path", "", true); | |
207 | |
208 // Add to System Property list. | |
209 PropertyList_add(&_system_properties, _java_ext_dirs); | |
210 PropertyList_add(&_system_properties, _java_endorsed_dirs); | |
211 PropertyList_add(&_system_properties, _sun_boot_library_path); | |
212 PropertyList_add(&_system_properties, _java_library_path); | |
213 PropertyList_add(&_system_properties, _java_home); | |
214 PropertyList_add(&_system_properties, _java_class_path); | |
215 PropertyList_add(&_system_properties, _sun_boot_class_path); | |
216 | |
217 // Set OS specific system properties values | |
218 os::init_system_properties_values(); | |
219 } | |
220 | |
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221 |
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222 // Update/Initialize System properties after JDK version number is known |
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223 void Arguments::init_version_specific_system_properties() { |
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224 enum { bufsz = 16 }; |
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225 char buffer[bufsz]; |
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226 const char* spec_vendor = "Sun Microsystems Inc."; |
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227 uint32_t spec_version = 0; |
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228 |
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229 if (JDK_Version::is_gte_jdk17x_version()) { |
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230 spec_vendor = "Oracle Corporation"; |
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231 spec_version = JDK_Version::current().major_version(); |
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232 } |
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233 jio_snprintf(buffer, bufsz, "1." UINT32_FORMAT, spec_version); |
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234 |
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235 PropertyList_add(&_system_properties, |
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236 new SystemProperty("java.vm.specification.vendor", spec_vendor, false)); |
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237 PropertyList_add(&_system_properties, |
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238 new SystemProperty("java.vm.specification.version", buffer, false)); |
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239 PropertyList_add(&_system_properties, |
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240 new SystemProperty("java.vm.vendor", VM_Version::vm_vendor(), false)); |
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241 } |
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242 |
242 | 243 /** |
244 * Provide a slightly more user-friendly way of eliminating -XX flags. | |
245 * When a flag is eliminated, it can be added to this list in order to | |
246 * continue accepting this flag on the command-line, while issuing a warning | |
247 * and ignoring the value. Once the JDK version reaches the 'accept_until' | |
248 * limit, we flatly refuse to admit the existence of the flag. This allows | |
249 * a flag to die correctly over JDK releases using HSX. | |
250 */ | |
251 typedef struct { | |
252 const char* name; | |
253 JDK_Version obsoleted_in; // when the flag went away | |
254 JDK_Version accept_until; // which version to start denying the existence | |
255 } ObsoleteFlag; | |
0 | 256 |
242 | 257 static ObsoleteFlag obsolete_jvm_flags[] = { |
258 { "UseTrainGC", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
259 { "UseSpecialLargeObjectHandling", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
260 { "UseOversizedCarHandling", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
261 { "TraceCarAllocation", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
262 { "PrintTrainGCProcessingStats", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
263 { "LogOfCarSpaceSize", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
264 { "OversizedCarThreshold", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
265 { "MinTickInterval", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
266 { "DefaultTickInterval", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
267 { "MaxTickInterval", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
268 { "DelayTickAdjustment", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
269 { "ProcessingToTenuringRatio", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
270 { "MinTrainLength", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
271 { "AppendRatio", JDK_Version::jdk_update(6,10), JDK_Version::jdk(7) }, | |
1064 | 272 { "DefaultMaxRAM", JDK_Version::jdk_update(6,18), JDK_Version::jdk(7) }, |
273 { "DefaultInitialRAMFraction", | |
274 JDK_Version::jdk_update(6,18), JDK_Version::jdk(7) }, | |
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275 { "UseDepthFirstScavengeOrder", |
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276 JDK_Version::jdk_update(6,22), JDK_Version::jdk(7) }, |
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277 { "HandlePromotionFailure", |
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278 JDK_Version::jdk_update(6,24), JDK_Version::jdk(8) }, |
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279 { "MaxLiveObjectEvacuationRatio", |
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280 JDK_Version::jdk_update(6,24), JDK_Version::jdk(8) }, |
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281 { "ForceSharedSpaces", JDK_Version::jdk_update(6,25), JDK_Version::jdk(8) }, |
3251
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282 { "UseParallelOldGCCompacting", |
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283 JDK_Version::jdk_update(6,27), JDK_Version::jdk(8) }, |
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284 { "UseParallelDensePrefixUpdate", |
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285 JDK_Version::jdk_update(6,27), JDK_Version::jdk(8) }, |
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286 { "UseParallelOldGCDensePrefix", |
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287 JDK_Version::jdk_update(6,27), JDK_Version::jdk(8) }, |
2460 | 288 { "AllowTransitionalJSR292", JDK_Version::jdk(7), JDK_Version::jdk(8) }, |
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289 { "UseCompressedStrings", JDK_Version::jdk(7), JDK_Version::jdk(8) }, |
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290 { "CMSPermGenPrecleaningEnabled", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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291 { "CMSTriggerPermRatio", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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292 { "CMSInitiatingPermOccupancyFraction", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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293 { "AdaptivePermSizeWeight", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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294 { "PermGenPadding", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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295 { "PermMarkSweepDeadRatio", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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296 { "PermSize", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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297 { "MaxPermSize", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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298 { "MinPermHeapExpansion", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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299 { "MaxPermHeapExpansion", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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300 { "CMSRevisitStackSize", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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301 { "PrintRevisitStats", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
6916 | 302 { "UseVectoredExceptions", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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303 { "UseSplitVerifier", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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304 { "UseISM", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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305 { "UsePermISM", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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306 { "UseMPSS", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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307 { "UseStringCache", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
14384 | 308 { "UseOldInlining", JDK_Version::jdk(9), JDK_Version::jdk(10) }, |
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309 #ifdef PRODUCT |
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310 { "DesiredMethodLimit", |
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311 JDK_Version::jdk_update(7, 2), JDK_Version::jdk(8) }, |
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312 #endif // PRODUCT |
242 | 313 { NULL, JDK_Version(0), JDK_Version(0) } |
314 }; | |
315 | |
316 // Returns true if the flag is obsolete and fits into the range specified | |
317 // for being ignored. In the case that the flag is ignored, the 'version' | |
318 // value is filled in with the version number when the flag became | |
319 // obsolete so that that value can be displayed to the user. | |
320 bool Arguments::is_newly_obsolete(const char *s, JDK_Version* version) { | |
0 | 321 int i = 0; |
242 | 322 assert(version != NULL, "Must provide a version buffer"); |
323 while (obsolete_jvm_flags[i].name != NULL) { | |
324 const ObsoleteFlag& flag_status = obsolete_jvm_flags[i]; | |
0 | 325 // <flag>=xxx form |
326 // [-|+]<flag> form | |
242 | 327 if ((strncmp(flag_status.name, s, strlen(flag_status.name)) == 0) || |
0 | 328 ((s[0] == '+' || s[0] == '-') && |
242 | 329 (strncmp(flag_status.name, &s[1], strlen(flag_status.name)) == 0))) { |
330 if (JDK_Version::current().compare(flag_status.accept_until) == -1) { | |
331 *version = flag_status.obsoleted_in; | |
332 return true; | |
333 } | |
0 | 334 } |
335 i++; | |
336 } | |
337 return false; | |
338 } | |
339 | |
340 // Constructs the system class path (aka boot class path) from the following | |
341 // components, in order: | |
342 // | |
343 // prefix // from -Xbootclasspath/p:... | |
344 // endorsed // the expansion of -Djava.endorsed.dirs=... | |
345 // base // from os::get_system_properties() or -Xbootclasspath= | |
346 // suffix // from -Xbootclasspath/a:... | |
347 // | |
348 // java.endorsed.dirs is a list of directories; any jar or zip files in the | |
349 // directories are added to the sysclasspath just before the base. | |
350 // | |
351 // This could be AllStatic, but it isn't needed after argument processing is | |
352 // complete. | |
353 class SysClassPath: public StackObj { | |
354 public: | |
355 SysClassPath(const char* base); | |
356 ~SysClassPath(); | |
357 | |
358 inline void set_base(const char* base); | |
359 inline void add_prefix(const char* prefix); | |
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360 inline void add_suffix_to_prefix(const char* suffix); |
0 | 361 inline void add_suffix(const char* suffix); |
362 inline void reset_path(const char* base); | |
363 | |
364 // Expand the jar/zip files in each directory listed by the java.endorsed.dirs | |
365 // property. Must be called after all command-line arguments have been | |
366 // processed (in particular, -Djava.endorsed.dirs=...) and before calling | |
367 // combined_path(). | |
368 void expand_endorsed(); | |
369 | |
370 inline const char* get_base() const { return _items[_scp_base]; } | |
371 inline const char* get_prefix() const { return _items[_scp_prefix]; } | |
372 inline const char* get_suffix() const { return _items[_scp_suffix]; } | |
373 inline const char* get_endorsed() const { return _items[_scp_endorsed]; } | |
374 | |
375 // Combine all the components into a single c-heap-allocated string; caller | |
376 // must free the string if/when no longer needed. | |
377 char* combined_path(); | |
378 | |
379 private: | |
380 // Utility routines. | |
381 static char* add_to_path(const char* path, const char* str, bool prepend); | |
382 static char* add_jars_to_path(char* path, const char* directory); | |
383 | |
384 inline void reset_item_at(int index); | |
385 | |
386 // Array indices for the items that make up the sysclasspath. All except the | |
387 // base are allocated in the C heap and freed by this class. | |
388 enum { | |
389 _scp_prefix, // from -Xbootclasspath/p:... | |
390 _scp_endorsed, // the expansion of -Djava.endorsed.dirs=... | |
391 _scp_base, // the default sysclasspath | |
392 _scp_suffix, // from -Xbootclasspath/a:... | |
393 _scp_nitems // the number of items, must be last. | |
394 }; | |
395 | |
396 const char* _items[_scp_nitems]; | |
397 DEBUG_ONLY(bool _expansion_done;) | |
398 }; | |
399 | |
400 SysClassPath::SysClassPath(const char* base) { | |
401 memset(_items, 0, sizeof(_items)); | |
402 _items[_scp_base] = base; | |
403 DEBUG_ONLY(_expansion_done = false;) | |
404 } | |
405 | |
406 SysClassPath::~SysClassPath() { | |
407 // Free everything except the base. | |
408 for (int i = 0; i < _scp_nitems; ++i) { | |
409 if (i != _scp_base) reset_item_at(i); | |
410 } | |
411 DEBUG_ONLY(_expansion_done = false;) | |
412 } | |
413 | |
414 inline void SysClassPath::set_base(const char* base) { | |
415 _items[_scp_base] = base; | |
416 } | |
417 | |
418 inline void SysClassPath::add_prefix(const char* prefix) { | |
419 _items[_scp_prefix] = add_to_path(_items[_scp_prefix], prefix, true); | |
420 } | |
421 | |
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422 inline void SysClassPath::add_suffix_to_prefix(const char* suffix) { |
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423 _items[_scp_prefix] = add_to_path(_items[_scp_prefix], suffix, false); |
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424 } |
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425 |
0 | 426 inline void SysClassPath::add_suffix(const char* suffix) { |
427 _items[_scp_suffix] = add_to_path(_items[_scp_suffix], suffix, false); | |
428 } | |
429 | |
430 inline void SysClassPath::reset_item_at(int index) { | |
431 assert(index < _scp_nitems && index != _scp_base, "just checking"); | |
432 if (_items[index] != NULL) { | |
6197 | 433 FREE_C_HEAP_ARRAY(char, _items[index], mtInternal); |
0 | 434 _items[index] = NULL; |
435 } | |
436 } | |
437 | |
438 inline void SysClassPath::reset_path(const char* base) { | |
439 // Clear the prefix and suffix. | |
440 reset_item_at(_scp_prefix); | |
441 reset_item_at(_scp_suffix); | |
442 set_base(base); | |
443 } | |
444 | |
445 //------------------------------------------------------------------------------ | |
446 | |
447 void SysClassPath::expand_endorsed() { | |
448 assert(_items[_scp_endorsed] == NULL, "can only be called once."); | |
449 | |
450 const char* path = Arguments::get_property("java.endorsed.dirs"); | |
451 if (path == NULL) { | |
452 path = Arguments::get_endorsed_dir(); | |
453 assert(path != NULL, "no default for java.endorsed.dirs"); | |
454 } | |
455 | |
456 char* expanded_path = NULL; | |
457 const char separator = *os::path_separator(); | |
458 const char* const end = path + strlen(path); | |
459 while (path < end) { | |
460 const char* tmp_end = strchr(path, separator); | |
461 if (tmp_end == NULL) { | |
462 expanded_path = add_jars_to_path(expanded_path, path); | |
463 path = end; | |
464 } else { | |
6197 | 465 char* dirpath = NEW_C_HEAP_ARRAY(char, tmp_end - path + 1, mtInternal); |
0 | 466 memcpy(dirpath, path, tmp_end - path); |
467 dirpath[tmp_end - path] = '\0'; | |
468 expanded_path = add_jars_to_path(expanded_path, dirpath); | |
6197 | 469 FREE_C_HEAP_ARRAY(char, dirpath, mtInternal); |
0 | 470 path = tmp_end + 1; |
471 } | |
472 } | |
473 _items[_scp_endorsed] = expanded_path; | |
474 DEBUG_ONLY(_expansion_done = true;) | |
475 } | |
476 | |
477 // Combine the bootclasspath elements, some of which may be null, into a single | |
478 // c-heap-allocated string. | |
479 char* SysClassPath::combined_path() { | |
480 assert(_items[_scp_base] != NULL, "empty default sysclasspath"); | |
481 assert(_expansion_done, "must call expand_endorsed() first."); | |
482 | |
483 size_t lengths[_scp_nitems]; | |
484 size_t total_len = 0; | |
485 | |
486 const char separator = *os::path_separator(); | |
487 | |
488 // Get the lengths. | |
489 int i; | |
490 for (i = 0; i < _scp_nitems; ++i) { | |
491 if (_items[i] != NULL) { | |
492 lengths[i] = strlen(_items[i]); | |
493 // Include space for the separator char (or a NULL for the last item). | |
494 total_len += lengths[i] + 1; | |
495 } | |
496 } | |
497 assert(total_len > 0, "empty sysclasspath not allowed"); | |
498 | |
499 // Copy the _items to a single string. | |
6197 | 500 char* cp = NEW_C_HEAP_ARRAY(char, total_len, mtInternal); |
0 | 501 char* cp_tmp = cp; |
502 for (i = 0; i < _scp_nitems; ++i) { | |
503 if (_items[i] != NULL) { | |
504 memcpy(cp_tmp, _items[i], lengths[i]); | |
505 cp_tmp += lengths[i]; | |
506 *cp_tmp++ = separator; | |
507 } | |
508 } | |
509 *--cp_tmp = '\0'; // Replace the extra separator. | |
510 return cp; | |
511 } | |
512 | |
513 // Note: path must be c-heap-allocated (or NULL); it is freed if non-null. | |
514 char* | |
515 SysClassPath::add_to_path(const char* path, const char* str, bool prepend) { | |
516 char *cp; | |
517 | |
518 assert(str != NULL, "just checking"); | |
519 if (path == NULL) { | |
520 size_t len = strlen(str) + 1; | |
6197 | 521 cp = NEW_C_HEAP_ARRAY(char, len, mtInternal); |
0 | 522 memcpy(cp, str, len); // copy the trailing null |
523 } else { | |
524 const char separator = *os::path_separator(); | |
525 size_t old_len = strlen(path); | |
526 size_t str_len = strlen(str); | |
527 size_t len = old_len + str_len + 2; | |
528 | |
529 if (prepend) { | |
6197 | 530 cp = NEW_C_HEAP_ARRAY(char, len, mtInternal); |
0 | 531 char* cp_tmp = cp; |
532 memcpy(cp_tmp, str, str_len); | |
533 cp_tmp += str_len; | |
534 *cp_tmp = separator; | |
535 memcpy(++cp_tmp, path, old_len + 1); // copy the trailing null | |
6197 | 536 FREE_C_HEAP_ARRAY(char, path, mtInternal); |
0 | 537 } else { |
6197 | 538 cp = REALLOC_C_HEAP_ARRAY(char, path, len, mtInternal); |
0 | 539 char* cp_tmp = cp + old_len; |
540 *cp_tmp = separator; | |
541 memcpy(++cp_tmp, str, str_len + 1); // copy the trailing null | |
542 } | |
543 } | |
544 return cp; | |
545 } | |
546 | |
547 // Scan the directory and append any jar or zip files found to path. | |
548 // Note: path must be c-heap-allocated (or NULL); it is freed if non-null. | |
549 char* SysClassPath::add_jars_to_path(char* path, const char* directory) { | |
550 DIR* dir = os::opendir(directory); | |
551 if (dir == NULL) return path; | |
552 | |
553 char dir_sep[2] = { '\0', '\0' }; | |
554 size_t directory_len = strlen(directory); | |
555 const char fileSep = *os::file_separator(); | |
556 if (directory[directory_len - 1] != fileSep) dir_sep[0] = fileSep; | |
557 | |
558 /* Scan the directory for jars/zips, appending them to path. */ | |
559 struct dirent *entry; | |
6197 | 560 char *dbuf = NEW_C_HEAP_ARRAY(char, os::readdir_buf_size(directory), mtInternal); |
0 | 561 while ((entry = os::readdir(dir, (dirent *) dbuf)) != NULL) { |
562 const char* name = entry->d_name; | |
563 const char* ext = name + strlen(name) - 4; | |
564 bool isJarOrZip = ext > name && | |
565 (os::file_name_strcmp(ext, ".jar") == 0 || | |
566 os::file_name_strcmp(ext, ".zip") == 0); | |
567 if (isJarOrZip) { | |
6197 | 568 char* jarpath = NEW_C_HEAP_ARRAY(char, directory_len + 2 + strlen(name), mtInternal); |
0 | 569 sprintf(jarpath, "%s%s%s", directory, dir_sep, name); |
570 path = add_to_path(path, jarpath, false); | |
6197 | 571 FREE_C_HEAP_ARRAY(char, jarpath, mtInternal); |
0 | 572 } |
573 } | |
6197 | 574 FREE_C_HEAP_ARRAY(char, dbuf, mtInternal); |
0 | 575 os::closedir(dir); |
576 return path; | |
577 } | |
578 | |
579 // Parses a memory size specification string. | |
489
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580 static bool atomull(const char *s, julong* result) { |
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581 julong n = 0; |
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582 int args_read = sscanf(s, JULONG_FORMAT, &n); |
0 | 583 if (args_read != 1) { |
584 return false; | |
585 } | |
586 while (*s != '\0' && isdigit(*s)) { | |
587 s++; | |
588 } | |
589 // 4705540: illegal if more characters are found after the first non-digit | |
590 if (strlen(s) > 1) { | |
591 return false; | |
592 } | |
593 switch (*s) { | |
594 case 'T': case 't': | |
595 *result = n * G * K; | |
489
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596 // Check for overflow. |
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597 if (*result/((julong)G * K) != n) return false; |
0 | 598 return true; |
599 case 'G': case 'g': | |
600 *result = n * G; | |
489
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601 if (*result/G != n) return false; |
0 | 602 return true; |
603 case 'M': case 'm': | |
604 *result = n * M; | |
489
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605 if (*result/M != n) return false; |
0 | 606 return true; |
607 case 'K': case 'k': | |
608 *result = n * K; | |
489
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609 if (*result/K != n) return false; |
0 | 610 return true; |
611 case '\0': | |
612 *result = n; | |
613 return true; | |
614 default: | |
615 return false; | |
616 } | |
617 } | |
618 | |
489
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619 Arguments::ArgsRange Arguments::check_memory_size(julong size, julong min_size) { |
0 | 620 if (size < min_size) return arg_too_small; |
621 // Check that size will fit in a size_t (only relevant on 32-bit) | |
489
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622 if (size > max_uintx) return arg_too_big; |
0 | 623 return arg_in_range; |
624 } | |
625 | |
626 // Describe an argument out of range error | |
627 void Arguments::describe_range_error(ArgsRange errcode) { | |
628 switch(errcode) { | |
629 case arg_too_big: | |
630 jio_fprintf(defaultStream::error_stream(), | |
631 "The specified size exceeds the maximum " | |
632 "representable size.\n"); | |
633 break; | |
634 case arg_too_small: | |
635 case arg_unreadable: | |
636 case arg_in_range: | |
637 // do nothing for now | |
638 break; | |
639 default: | |
640 ShouldNotReachHere(); | |
641 } | |
642 } | |
643 | |
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644 static bool set_bool_flag(char* name, bool value, Flag::Flags origin) { |
0 | 645 return CommandLineFlags::boolAtPut(name, &value, origin); |
646 } | |
647 | |
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648 static bool set_fp_numeric_flag(char* name, char* value, Flag::Flags origin) { |
0 | 649 double v; |
650 if (sscanf(value, "%lf", &v) != 1) { | |
651 return false; | |
652 } | |
653 | |
654 if (CommandLineFlags::doubleAtPut(name, &v, origin)) { | |
655 return true; | |
656 } | |
657 return false; | |
658 } | |
659 | |
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660 static bool set_numeric_flag(char* name, char* value, Flag::Flags origin) { |
489
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661 julong v; |
0 | 662 intx intx_v; |
663 bool is_neg = false; | |
489
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664 // Check the sign first since atomull() parses only unsigned values. |
0 | 665 if (*value == '-') { |
666 if (!CommandLineFlags::intxAt(name, &intx_v)) { | |
667 return false; | |
668 } | |
669 value++; | |
670 is_neg = true; | |
671 } | |
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672 if (!atomull(value, &v)) { |
0 | 673 return false; |
674 } | |
675 intx_v = (intx) v; | |
676 if (is_neg) { | |
677 intx_v = -intx_v; | |
678 } | |
679 if (CommandLineFlags::intxAtPut(name, &intx_v, origin)) { | |
680 return true; | |
681 } | |
682 uintx uintx_v = (uintx) v; | |
683 if (!is_neg && CommandLineFlags::uintxAtPut(name, &uintx_v, origin)) { | |
684 return true; | |
685 } | |
1064 | 686 uint64_t uint64_t_v = (uint64_t) v; |
687 if (!is_neg && CommandLineFlags::uint64_tAtPut(name, &uint64_t_v, origin)) { | |
688 return true; | |
689 } | |
0 | 690 return false; |
691 } | |
692 | |
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693 static bool set_string_flag(char* name, const char* value, Flag::Flags origin) { |
0 | 694 if (!CommandLineFlags::ccstrAtPut(name, &value, origin)) return false; |
695 // Contract: CommandLineFlags always returns a pointer that needs freeing. | |
6197 | 696 FREE_C_HEAP_ARRAY(char, value, mtInternal); |
0 | 697 return true; |
698 } | |
699 | |
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700 static bool append_to_string_flag(char* name, const char* new_value, Flag::Flags origin) { |
0 | 701 const char* old_value = ""; |
702 if (!CommandLineFlags::ccstrAt(name, &old_value)) return false; | |
703 size_t old_len = old_value != NULL ? strlen(old_value) : 0; | |
704 size_t new_len = strlen(new_value); | |
705 const char* value; | |
706 char* free_this_too = NULL; | |
707 if (old_len == 0) { | |
708 value = new_value; | |
709 } else if (new_len == 0) { | |
710 value = old_value; | |
711 } else { | |
6197 | 712 char* buf = NEW_C_HEAP_ARRAY(char, old_len + 1 + new_len + 1, mtInternal); |
0 | 713 // each new setting adds another LINE to the switch: |
714 sprintf(buf, "%s\n%s", old_value, new_value); | |
715 value = buf; | |
716 free_this_too = buf; | |
717 } | |
718 (void) CommandLineFlags::ccstrAtPut(name, &value, origin); | |
719 // CommandLineFlags always returns a pointer that needs freeing. | |
6197 | 720 FREE_C_HEAP_ARRAY(char, value, mtInternal); |
0 | 721 if (free_this_too != NULL) { |
722 // CommandLineFlags made its own copy, so I must delete my own temp. buffer. | |
6197 | 723 FREE_C_HEAP_ARRAY(char, free_this_too, mtInternal); |
0 | 724 } |
725 return true; | |
726 } | |
727 | |
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728 bool Arguments::parse_argument(const char* arg, Flag::Flags origin) { |
0 | 729 |
730 // range of acceptable characters spelled out for portability reasons | |
731 #define NAME_RANGE "[abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_]" | |
732 #define BUFLEN 255 | |
733 char name[BUFLEN+1]; | |
734 char dummy; | |
735 | |
736 if (sscanf(arg, "-%" XSTR(BUFLEN) NAME_RANGE "%c", name, &dummy) == 1) { | |
737 return set_bool_flag(name, false, origin); | |
738 } | |
739 if (sscanf(arg, "+%" XSTR(BUFLEN) NAME_RANGE "%c", name, &dummy) == 1) { | |
740 return set_bool_flag(name, true, origin); | |
741 } | |
742 | |
743 char punct; | |
744 if (sscanf(arg, "%" XSTR(BUFLEN) NAME_RANGE "%c", name, &punct) == 2 && punct == '=') { | |
745 const char* value = strchr(arg, '=') + 1; | |
746 Flag* flag = Flag::find_flag(name, strlen(name)); | |
747 if (flag != NULL && flag->is_ccstr()) { | |
748 if (flag->ccstr_accumulates()) { | |
749 return append_to_string_flag(name, value, origin); | |
750 } else { | |
751 if (value[0] == '\0') { | |
752 value = NULL; | |
753 } | |
754 return set_string_flag(name, value, origin); | |
755 } | |
756 } | |
757 } | |
758 | |
759 if (sscanf(arg, "%" XSTR(BUFLEN) NAME_RANGE ":%c", name, &punct) == 2 && punct == '=') { | |
760 const char* value = strchr(arg, '=') + 1; | |
761 // -XX:Foo:=xxx will reset the string flag to the given value. | |
762 if (value[0] == '\0') { | |
763 value = NULL; | |
764 } | |
765 return set_string_flag(name, value, origin); | |
766 } | |
767 | |
768 #define SIGNED_FP_NUMBER_RANGE "[-0123456789.]" | |
769 #define SIGNED_NUMBER_RANGE "[-0123456789]" | |
770 #define NUMBER_RANGE "[0123456789]" | |
771 char value[BUFLEN + 1]; | |
772 char value2[BUFLEN + 1]; | |
773 if (sscanf(arg, "%" XSTR(BUFLEN) NAME_RANGE "=" "%" XSTR(BUFLEN) SIGNED_NUMBER_RANGE "." "%" XSTR(BUFLEN) NUMBER_RANGE "%c", name, value, value2, &dummy) == 3) { | |
774 // Looks like a floating-point number -- try again with more lenient format string | |
775 if (sscanf(arg, "%" XSTR(BUFLEN) NAME_RANGE "=" "%" XSTR(BUFLEN) SIGNED_FP_NUMBER_RANGE "%c", name, value, &dummy) == 2) { | |
776 return set_fp_numeric_flag(name, value, origin); | |
777 } | |
778 } | |
779 | |
780 #define VALUE_RANGE "[-kmgtKMGT0123456789]" | |
781 if (sscanf(arg, "%" XSTR(BUFLEN) NAME_RANGE "=" "%" XSTR(BUFLEN) VALUE_RANGE "%c", name, value, &dummy) == 2) { | |
782 return set_numeric_flag(name, value, origin); | |
783 } | |
784 | |
785 return false; | |
786 } | |
787 | |
788 void Arguments::add_string(char*** bldarray, int* count, const char* arg) { | |
789 assert(bldarray != NULL, "illegal argument"); | |
790 | |
791 if (arg == NULL) { | |
792 return; | |
793 } | |
794 | |
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795 int new_count = *count + 1; |
0 | 796 |
797 // expand the array and add arg to the last element | |
798 if (*bldarray == NULL) { | |
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799 *bldarray = NEW_C_HEAP_ARRAY(char*, new_count, mtInternal); |
0 | 800 } else { |
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801 *bldarray = REALLOC_C_HEAP_ARRAY(char*, *bldarray, new_count, mtInternal); |
0 | 802 } |
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803 (*bldarray)[*count] = strdup(arg); |
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804 *count = new_count; |
0 | 805 } |
806 | |
807 void Arguments::build_jvm_args(const char* arg) { | |
808 add_string(&_jvm_args_array, &_num_jvm_args, arg); | |
809 } | |
810 | |
811 void Arguments::build_jvm_flags(const char* arg) { | |
812 add_string(&_jvm_flags_array, &_num_jvm_flags, arg); | |
813 } | |
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814 #ifdef GRAAL |
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815 void Arguments::add_graal_arg(const char* arg) { |
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816 add_string(&_graal_args_array, &_num_graal_args, arg); |
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817 } |
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818 #endif |
0 | 819 |
820 // utility function to return a string that concatenates all | |
821 // strings in a given char** array | |
822 const char* Arguments::build_resource_string(char** args, int count) { | |
823 if (args == NULL || count == 0) { | |
824 return NULL; | |
825 } | |
826 size_t length = strlen(args[0]) + 1; // add 1 for the null terminator | |
827 for (int i = 1; i < count; i++) { | |
828 length += strlen(args[i]) + 1; // add 1 for a space | |
829 } | |
830 char* s = NEW_RESOURCE_ARRAY(char, length); | |
831 strcpy(s, args[0]); | |
832 for (int j = 1; j < count; j++) { | |
833 strcat(s, " "); | |
834 strcat(s, args[j]); | |
835 } | |
836 return (const char*) s; | |
837 } | |
838 | |
839 void Arguments::print_on(outputStream* st) { | |
840 st->print_cr("VM Arguments:"); | |
841 if (num_jvm_flags() > 0) { | |
842 st->print("jvm_flags: "); print_jvm_flags_on(st); | |
843 } | |
844 if (num_jvm_args() > 0) { | |
845 st->print("jvm_args: "); print_jvm_args_on(st); | |
846 } | |
847 st->print_cr("java_command: %s", java_command() ? java_command() : "<unknown>"); | |
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848 if (_java_class_path != NULL) { |
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849 char* path = _java_class_path->value(); |
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850 st->print_cr("java_class_path (initial): %s", strlen(path) == 0 ? "<not set>" : path ); |
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851 } |
0 | 852 st->print_cr("Launcher Type: %s", _sun_java_launcher); |
853 } | |
854 | |
855 void Arguments::print_jvm_flags_on(outputStream* st) { | |
856 if (_num_jvm_flags > 0) { | |
857 for (int i=0; i < _num_jvm_flags; i++) { | |
858 st->print("%s ", _jvm_flags_array[i]); | |
859 } | |
860 st->print_cr(""); | |
861 } | |
862 } | |
863 | |
864 void Arguments::print_jvm_args_on(outputStream* st) { | |
865 if (_num_jvm_args > 0) { | |
866 for (int i=0; i < _num_jvm_args; i++) { | |
867 st->print("%s ", _jvm_args_array[i]); | |
868 } | |
869 st->print_cr(""); | |
870 } | |
871 } | |
872 | |
242 | 873 bool Arguments::process_argument(const char* arg, |
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874 jboolean ignore_unrecognized, Flag::Flags origin) { |
242 | 875 |
876 JDK_Version since = JDK_Version(); | |
0 | 877 |
3250 | 878 if (parse_argument(arg, origin) || ignore_unrecognized) { |
879 return true; | |
0 | 880 } |
3250 | 881 |
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882 bool has_plus_minus = (*arg == '+' || *arg == '-'); |
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883 const char* const argname = has_plus_minus ? arg + 1 : arg; |
3250 | 884 if (is_newly_obsolete(arg, &since)) { |
885 char version[256]; | |
886 since.to_string(version, sizeof(version)); | |
887 warning("ignoring option %s; support was removed in %s", argname, version); | |
888 return true; | |
889 } | |
890 | |
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891 // For locked flags, report a custom error message if available. |
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892 // Otherwise, report the standard unrecognized VM option. |
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893 |
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894 size_t arg_len; |
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895 const char* equal_sign = strchr(argname, '='); |
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896 if (equal_sign == NULL) { |
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897 arg_len = strlen(argname); |
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898 } else { |
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899 arg_len = equal_sign - argname; |
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900 } |
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901 |
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902 Flag* found_flag = Flag::find_flag((const char*)argname, arg_len, true, true); |
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903 if (found_flag != NULL) { |
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904 char locked_message_buf[BUFLEN]; |
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905 found_flag->get_locked_message(locked_message_buf, BUFLEN); |
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906 if (strlen(locked_message_buf) == 0) { |
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907 if (found_flag->is_bool() && !has_plus_minus) { |
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908 jio_fprintf(defaultStream::error_stream(), |
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909 "Missing +/- setting for VM option '%s'\n", argname); |
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910 } else if (!found_flag->is_bool() && has_plus_minus) { |
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911 jio_fprintf(defaultStream::error_stream(), |
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912 "Unexpected +/- setting in VM option '%s'\n", argname); |
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913 } else { |
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914 jio_fprintf(defaultStream::error_stream(), |
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915 "Improperly specified VM option '%s'\n", argname); |
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916 } |
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917 } else { |
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918 jio_fprintf(defaultStream::error_stream(), "%s", locked_message_buf); |
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919 } |
6017 | 920 } else { |
921 jio_fprintf(defaultStream::error_stream(), | |
922 "Unrecognized VM option '%s'\n", argname); | |
11070 | 923 Flag* fuzzy_matched = Flag::fuzzy_match((const char*)argname, arg_len, true); |
924 if (fuzzy_matched != NULL) { | |
925 jio_fprintf(defaultStream::error_stream(), | |
926 "Did you mean '%s%s%s'?\n", | |
927 (fuzzy_matched->is_bool()) ? "(+/-)" : "", | |
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928 fuzzy_matched->_name, |
11070 | 929 (fuzzy_matched->is_bool()) ? "" : "=<value>"); |
930 } | |
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931 } |
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932 |
3250 | 933 // allow for commandline "commenting out" options like -XX:#+Verbose |
934 return arg[0] == '#'; | |
0 | 935 } |
936 | |
937 bool Arguments::process_settings_file(const char* file_name, bool should_exist, jboolean ignore_unrecognized) { | |
938 FILE* stream = fopen(file_name, "rb"); | |
939 if (stream == NULL) { | |
940 if (should_exist) { | |
941 jio_fprintf(defaultStream::error_stream(), | |
942 "Could not open settings file %s\n", file_name); | |
943 return false; | |
944 } else { | |
945 return true; | |
946 } | |
947 } | |
948 | |
949 char token[1024]; | |
950 int pos = 0; | |
951 | |
952 bool in_white_space = true; | |
953 bool in_comment = false; | |
954 bool in_quote = false; | |
955 char quote_c = 0; | |
956 bool result = true; | |
957 | |
958 int c = getc(stream); | |
6901 | 959 while(c != EOF && pos < (int)(sizeof(token)-1)) { |
0 | 960 if (in_white_space) { |
961 if (in_comment) { | |
962 if (c == '\n') in_comment = false; | |
963 } else { | |
964 if (c == '#') in_comment = true; | |
965 else if (!isspace(c)) { | |
966 in_white_space = false; | |
967 token[pos++] = c; | |
968 } | |
969 } | |
970 } else { | |
971 if (c == '\n' || (!in_quote && isspace(c))) { | |
972 // token ends at newline, or at unquoted whitespace | |
973 // this allows a way to include spaces in string-valued options | |
974 token[pos] = '\0'; | |
975 logOption(token); | |
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976 result &= process_argument(token, ignore_unrecognized, Flag::CONFIG_FILE); |
0 | 977 build_jvm_flags(token); |
978 pos = 0; | |
979 in_white_space = true; | |
980 in_quote = false; | |
981 } else if (!in_quote && (c == '\'' || c == '"')) { | |
982 in_quote = true; | |
983 quote_c = c; | |
984 } else if (in_quote && (c == quote_c)) { | |
985 in_quote = false; | |
986 } else { | |
987 token[pos++] = c; | |
988 } | |
989 } | |
990 c = getc(stream); | |
991 } | |
992 if (pos > 0) { | |
993 token[pos] = '\0'; | |
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994 result &= process_argument(token, ignore_unrecognized, Flag::CONFIG_FILE); |
0 | 995 build_jvm_flags(token); |
996 } | |
997 fclose(stream); | |
998 return result; | |
999 } | |
1000 | |
1001 //============================================================================================================= | |
1002 // Parsing of properties (-D) | |
1003 | |
1004 const char* Arguments::get_property(const char* key) { | |
1005 return PropertyList_get_value(system_properties(), key); | |
1006 } | |
1007 | |
1008 bool Arguments::add_property(const char* prop) { | |
1009 const char* eq = strchr(prop, '='); | |
1010 char* key; | |
1011 // ns must be static--its address may be stored in a SystemProperty object. | |
1012 const static char ns[1] = {0}; | |
1013 char* value = (char *)ns; | |
1014 | |
1015 size_t key_len = (eq == NULL) ? strlen(prop) : (eq - prop); | |
6197 | 1016 key = AllocateHeap(key_len + 1, mtInternal); |
0 | 1017 strncpy(key, prop, key_len); |
1018 key[key_len] = '\0'; | |
1019 | |
1020 if (eq != NULL) { | |
1021 size_t value_len = strlen(prop) - key_len - 1; | |
6197 | 1022 value = AllocateHeap(value_len + 1, mtInternal); |
0 | 1023 strncpy(value, &prop[key_len + 1], value_len + 1); |
1024 } | |
1025 | |
1026 if (strcmp(key, "java.compiler") == 0) { | |
1027 process_java_compiler_argument(value); | |
1028 FreeHeap(key); | |
1029 if (eq != NULL) { | |
1030 FreeHeap(value); | |
1031 } | |
1032 return true; | |
691 | 1033 } else if (strcmp(key, "sun.java.command") == 0) { |
0 | 1034 _java_command = value; |
1035 | |
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1036 // Record value in Arguments, but let it get passed to Java. |
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1037 } else if (strcmp(key, "sun.java.launcher.is_altjvm") == 0 || |
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1038 strcmp(key, "sun.java.launcher.pid") == 0) { |
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1039 // sun.java.launcher.is_altjvm and sun.java.launcher.pid property are |
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1040 // private and are processed in process_sun_java_launcher_properties(); |
0 | 1041 // the sun.java.launcher property is passed on to the java application |
1042 FreeHeap(key); | |
1043 if (eq != NULL) { | |
1044 FreeHeap(value); | |
1045 } | |
1046 return true; | |
691 | 1047 } else if (strcmp(key, "java.vendor.url.bug") == 0) { |
0 | 1048 // save it in _java_vendor_url_bug, so JVM fatal error handler can access |
1049 // its value without going through the property list or making a Java call. | |
1050 _java_vendor_url_bug = value; | |
691 | 1051 } else if (strcmp(key, "sun.boot.library.path") == 0) { |
1052 PropertyList_unique_add(&_system_properties, key, value, true); | |
1053 return true; | |
0 | 1054 } |
1055 // Create new property and add at the end of the list | |
1056 PropertyList_unique_add(&_system_properties, key, value); | |
1057 return true; | |
1058 } | |
1059 | |
1060 //=========================================================================================================== | |
1061 // Setting int/mixed/comp mode flags | |
1062 | |
1063 void Arguments::set_mode_flags(Mode mode) { | |
1064 // Set up default values for all flags. | |
1065 // If you add a flag to any of the branches below, | |
1066 // add a default value for it here. | |
1067 set_java_compiler(false); | |
1068 _mode = mode; | |
1069 | |
1070 // Ensure Agent_OnLoad has the correct initial values. | |
1071 // This may not be the final mode; mode may change later in onload phase. | |
1072 PropertyList_unique_add(&_system_properties, "java.vm.info", | |
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1073 (char*)VM_Version::vm_info_string(), false); |
0 | 1074 |
1075 UseInterpreter = true; | |
1076 UseCompiler = true; | |
1077 UseLoopCounter = true; | |
1078 | |
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1079 #ifndef ZERO |
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1080 // Turn these off for mixed and comp. Leave them on for Zero. |
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1081 if (FLAG_IS_DEFAULT(UseFastAccessorMethods)) { |
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1082 UseFastAccessorMethods = (mode == _int); |
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1083 } |
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1084 if (FLAG_IS_DEFAULT(UseFastEmptyMethods)) { |
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1085 UseFastEmptyMethods = (mode == _int); |
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1086 } |
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1087 #endif |
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1088 |
0 | 1089 // Default values may be platform/compiler dependent - |
1090 // use the saved values | |
1091 ClipInlining = Arguments::_ClipInlining; | |
1092 AlwaysCompileLoopMethods = Arguments::_AlwaysCompileLoopMethods; | |
1093 UseOnStackReplacement = Arguments::_UseOnStackReplacement; | |
1094 BackgroundCompilation = Arguments::_BackgroundCompilation; | |
1095 | |
1096 // Change from defaults based on mode | |
1097 switch (mode) { | |
1098 default: | |
1099 ShouldNotReachHere(); | |
1100 break; | |
1101 case _int: | |
1102 UseCompiler = false; | |
1103 UseLoopCounter = false; | |
1104 AlwaysCompileLoopMethods = false; | |
1105 UseOnStackReplacement = false; | |
1106 break; | |
1107 case _mixed: | |
1108 // same as default | |
1109 break; | |
1110 case _comp: | |
1111 UseInterpreter = false; | |
1112 BackgroundCompilation = false; | |
1113 ClipInlining = false; | |
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1114 // Be much more aggressive in tiered mode with -Xcomp and exercise C2 more. |
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1115 // We will first compile a level 3 version (C1 with full profiling), then do one invocation of it and |
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1116 // compile a level 4 (C2) and then continue executing it. |
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1117 if (TieredCompilation) { |
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1118 Tier3InvokeNotifyFreqLog = 0; |
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1119 Tier4InvocationThreshold = 0; |
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1120 } |
0 | 1121 break; |
1122 } | |
1123 } | |
1124 | |
12355 | 1125 #if defined(COMPILER2) || defined(GRAAL) || defined(_LP64) || !INCLUDE_CDS |
0 | 1126 // Conflict: required to use shared spaces (-Xshare:on), but |
1127 // incompatible command line options were chosen. | |
1128 | |
1129 static void no_shared_spaces() { | |
1130 if (RequireSharedSpaces) { | |
1131 jio_fprintf(defaultStream::error_stream(), | |
1132 "Class data sharing is inconsistent with other specified options.\n"); | |
1133 vm_exit_during_initialization("Unable to use shared archive.", NULL); | |
1134 } else { | |
1135 FLAG_SET_DEFAULT(UseSharedSpaces, false); | |
1136 } | |
1137 } | |
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1138 #endif |
0 | 1139 |
1783 | 1140 void Arguments::set_tiered_flags() { |
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1141 // With tiered, set default policy to AdvancedThresholdPolicy, which is 3. |
1783 | 1142 if (FLAG_IS_DEFAULT(CompilationPolicyChoice)) { |
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1143 FLAG_SET_DEFAULT(CompilationPolicyChoice, 3); |
1783 | 1144 } |
1145 if (CompilationPolicyChoice < 2) { | |
1146 vm_exit_during_initialization( | |
1147 "Incompatible compilation policy selected", NULL); | |
1148 } | |
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1149 // Increase the code cache size - tiered compiles a lot more. |
1783 | 1150 if (FLAG_IS_DEFAULT(ReservedCodeCacheSize)) { |
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1151 FLAG_SET_DEFAULT(ReservedCodeCacheSize, ReservedCodeCacheSize * 5); |
1783 | 1152 } |
10278 | 1153 if (!UseInterpreter) { // -Xcomp |
1154 Tier3InvokeNotifyFreqLog = 0; | |
1155 Tier4InvocationThreshold = 0; | |
1156 } | |
1783 | 1157 } |
1158 | |
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1159 #if INCLUDE_ALL_GCS |
4838 | 1160 static void disable_adaptive_size_policy(const char* collector_name) { |
1161 if (UseAdaptiveSizePolicy) { | |
1162 if (FLAG_IS_CMDLINE(UseAdaptiveSizePolicy)) { | |
1163 warning("disabling UseAdaptiveSizePolicy; it is incompatible with %s.", | |
1164 collector_name); | |
1165 } | |
1166 FLAG_SET_DEFAULT(UseAdaptiveSizePolicy, false); | |
1167 } | |
1168 } | |
1169 | |
0 | 1170 void Arguments::set_parnew_gc_flags() { |
1064 | 1171 assert(!UseSerialGC && !UseParallelOldGC && !UseParallelGC && !UseG1GC, |
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1172 "control point invariant"); |
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1173 assert(UseParNewGC, "Error"); |
0 | 1174 |
4838 | 1175 // Turn off AdaptiveSizePolicy for parnew until it is complete. |
1176 disable_adaptive_size_policy("UseParNewGC"); | |
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1177 |
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1178 if (FLAG_IS_DEFAULT(ParallelGCThreads)) { |
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1179 FLAG_SET_DEFAULT(ParallelGCThreads, Abstract_VM_Version::parallel_worker_threads()); |
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1180 assert(ParallelGCThreads > 0, "We should always have at least one thread by default"); |
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1181 } else if (ParallelGCThreads == 0) { |
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1182 jio_fprintf(defaultStream::error_stream(), |
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1183 "The ParNew GC can not be combined with -XX:ParallelGCThreads=0\n"); |
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1184 vm_exit(1); |
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1185 } |
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1186 |
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1187 // By default YoungPLABSize and OldPLABSize are set to 4096 and 1024 respectively, |
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1188 // these settings are default for Parallel Scavenger. For ParNew+Tenured configuration |
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1189 // we set them to 1024 and 1024. |
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1190 // See CR 6362902. |
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1191 if (FLAG_IS_DEFAULT(YoungPLABSize)) { |
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1192 FLAG_SET_DEFAULT(YoungPLABSize, (intx)1024); |
0 | 1193 } |
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1194 if (FLAG_IS_DEFAULT(OldPLABSize)) { |
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1195 FLAG_SET_DEFAULT(OldPLABSize, (intx)1024); |
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1196 } |
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1197 |
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1198 // AlwaysTenure flag should make ParNew promote all at first collection. |
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1199 // See CR 6362902. |
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1200 if (AlwaysTenure) { |
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1201 FLAG_SET_CMDLINE(uintx, MaxTenuringThreshold, 0); |
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1202 } |
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1203 // When using compressed oops, we use local overflow stacks, |
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1204 // rather than using a global overflow list chained through |
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1205 // the klass word of the object's pre-image. |
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1206 if (UseCompressedOops && !ParGCUseLocalOverflow) { |
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1207 if (!FLAG_IS_DEFAULT(ParGCUseLocalOverflow)) { |
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1208 warning("Forcing +ParGCUseLocalOverflow: needed if using compressed references"); |
0 | 1209 } |
7451
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1210 FLAG_SET_DEFAULT(ParGCUseLocalOverflow, true); |
0 | 1211 } |
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1212 assert(ParGCUseLocalOverflow || !UseCompressedOops, "Error"); |
0 | 1213 } |
1214 | |
1215 // Adjust some sizes to suit CMS and/or ParNew needs; these work well on | |
1216 // sparc/solaris for certain applications, but would gain from | |
1217 // further optimization and tuning efforts, and would almost | |
1218 // certainly gain from analysis of platform and environment. | |
1219 void Arguments::set_cms_and_parnew_gc_flags() { | |
1064 | 1220 assert(!UseSerialGC && !UseParallelOldGC && !UseParallelGC, "Error"); |
10
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1221 assert(UseConcMarkSweepGC, "CMS is expected to be on here"); |
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1222 |
0 | 1223 // If we are using CMS, we prefer to UseParNewGC, |
1224 // unless explicitly forbidden. | |
342
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1225 if (FLAG_IS_DEFAULT(UseParNewGC)) { |
10
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1226 FLAG_SET_ERGO(bool, UseParNewGC, true); |
0 | 1227 } |
1228 | |
6854
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1229 // Turn off AdaptiveSizePolicy by default for cms until it is complete. |
4838 | 1230 disable_adaptive_size_policy("UseConcMarkSweepGC"); |
0 | 1231 |
1232 // In either case, adjust ParallelGCThreads and/or UseParNewGC | |
1233 // as needed. | |
10
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1234 if (UseParNewGC) { |
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1235 set_parnew_gc_flags(); |
0 | 1236 } |
1237 | |
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1238 size_t max_heap = align_size_down(MaxHeapSize, |
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1239 CardTableRS::ct_max_alignment_constraint()); |
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1240 |
0 | 1241 // Now make adjustments for CMS |
2368
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1242 intx tenuring_default = (intx)6; |
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1243 size_t young_gen_per_worker = CMSYoungGenPerWorker; |
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1244 |
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1245 // Preferred young gen size for "short" pauses: |
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1246 // upper bound depends on # of threads and NewRatio. |
0 | 1247 const uintx parallel_gc_threads = |
1248 (ParallelGCThreads == 0 ? 1 : ParallelGCThreads); | |
1249 const size_t preferred_max_new_size_unaligned = | |
2368
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1250 MIN2(max_heap/(NewRatio+1), ScaleForWordSize(young_gen_per_worker * parallel_gc_threads)); |
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1251 size_t preferred_max_new_size = |
0 | 1252 align_size_up(preferred_max_new_size_unaligned, os::vm_page_size()); |
1253 | |
1254 // Unless explicitly requested otherwise, size young gen | |
2368
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1255 // for "short" pauses ~ CMSYoungGenPerWorker*ParallelGCThreads |
886
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1256 |
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1257 // If either MaxNewSize or NewRatio is set on the command line, |
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1258 // assume the user is trying to set the size of the young gen. |
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1259 if (FLAG_IS_DEFAULT(MaxNewSize) && FLAG_IS_DEFAULT(NewRatio)) { |
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1260 |
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1261 // Set MaxNewSize to our calculated preferred_max_new_size unless |
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1262 // NewSize was set on the command line and it is larger than |
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1263 // preferred_max_new_size. |
0 | 1264 if (!FLAG_IS_DEFAULT(NewSize)) { // NewSize explicitly set at command-line |
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1265 FLAG_SET_ERGO(uintx, MaxNewSize, MAX2(NewSize, preferred_max_new_size)); |
0 | 1266 } else { |
13
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1267 FLAG_SET_ERGO(uintx, MaxNewSize, preferred_max_new_size); |
0 | 1268 } |
1064 | 1269 if (PrintGCDetails && Verbose) { |
13
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1270 // Too early to use gclog_or_tty |
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1271 tty->print_cr("CMS ergo set MaxNewSize: " SIZE_FORMAT, MaxNewSize); |
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1272 } |
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1273 |
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1274 // Code along this path potentially sets NewSize and OldSize |
1064 | 1275 if (PrintGCDetails && Verbose) { |
13
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1276 // Too early to use gclog_or_tty |
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1277 tty->print_cr("CMS set min_heap_size: " SIZE_FORMAT |
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1278 " initial_heap_size: " SIZE_FORMAT |
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1279 " max_heap: " SIZE_FORMAT, |
1064 | 1280 min_heap_size(), InitialHeapSize, max_heap); |
13
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1281 } |
2368
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1282 size_t min_new = preferred_max_new_size; |
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1283 if (FLAG_IS_CMDLINE(NewSize)) { |
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1284 min_new = NewSize; |
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1285 } |
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1286 if (max_heap > min_new && min_heap_size() > min_new) { |
0 | 1287 // Unless explicitly requested otherwise, make young gen |
1288 // at least min_new, and at most preferred_max_new_size. | |
1289 if (FLAG_IS_DEFAULT(NewSize)) { | |
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1290 FLAG_SET_ERGO(uintx, NewSize, MAX2(NewSize, min_new)); |
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1291 FLAG_SET_ERGO(uintx, NewSize, MIN2(preferred_max_new_size, NewSize)); |
1064 | 1292 if (PrintGCDetails && Verbose) { |
13
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1293 // Too early to use gclog_or_tty |
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1294 tty->print_cr("CMS ergo set NewSize: " SIZE_FORMAT, NewSize); |
13
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1295 } |
0 | 1296 } |
1297 // Unless explicitly requested otherwise, size old gen | |
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1298 // so it's NewRatio x of NewSize. |
0 | 1299 if (FLAG_IS_DEFAULT(OldSize)) { |
1300 if (max_heap > NewSize) { | |
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1301 FLAG_SET_ERGO(uintx, OldSize, MIN2(NewRatio*NewSize, max_heap - NewSize)); |
1064 | 1302 if (PrintGCDetails && Verbose) { |
13
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1303 // Too early to use gclog_or_tty |
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1304 tty->print_cr("CMS ergo set OldSize: " SIZE_FORMAT, OldSize); |
13
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1305 } |
0 | 1306 } |
1307 } | |
1308 } | |
1309 } | |
1310 // Unless explicitly requested otherwise, definitely | |
1311 // promote all objects surviving "tenuring_default" scavenges. | |
1312 if (FLAG_IS_DEFAULT(MaxTenuringThreshold) && | |
1313 FLAG_IS_DEFAULT(SurvivorRatio)) { | |
6818 | 1314 FLAG_SET_ERGO(uintx, MaxTenuringThreshold, tenuring_default); |
0 | 1315 } |
1316 // If we decided above (or user explicitly requested) | |
1317 // `promote all' (via MaxTenuringThreshold := 0), | |
1318 // prefer minuscule survivor spaces so as not to waste | |
1319 // space for (non-existent) survivors | |
1320 if (FLAG_IS_DEFAULT(SurvivorRatio) && MaxTenuringThreshold == 0) { | |
8035 | 1321 FLAG_SET_ERGO(uintx, SurvivorRatio, MAX2((uintx)1024, SurvivorRatio)); |
0 | 1322 } |
1323 // If OldPLABSize is set and CMSParPromoteBlocksToClaim is not, | |
1324 // set CMSParPromoteBlocksToClaim equal to OldPLABSize. | |
1325 // This is done in order to make ParNew+CMS configuration to work | |
1326 // with YoungPLABSize and OldPLABSize options. | |
1327 // See CR 6362902. | |
1328 if (!FLAG_IS_DEFAULT(OldPLABSize)) { | |
1329 if (FLAG_IS_DEFAULT(CMSParPromoteBlocksToClaim)) { | |
13
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1330 // OldPLABSize is not the default value but CMSParPromoteBlocksToClaim |
14309 | 1331 // is. In this situation let CMSParPromoteBlocksToClaim follow |
13
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1332 // the value (either from the command line or ergonomics) of |
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1333 // OldPLABSize. Following OldPLABSize is an ergonomics decision. |
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1334 FLAG_SET_ERGO(uintx, CMSParPromoteBlocksToClaim, OldPLABSize); |
1145
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1335 } else { |
0 | 1336 // OldPLABSize and CMSParPromoteBlocksToClaim are both set. |
1337 // CMSParPromoteBlocksToClaim is a collector-specific flag, so | |
1338 // we'll let it to take precedence. | |
1339 jio_fprintf(defaultStream::error_stream(), | |
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1340 "Both OldPLABSize and CMSParPromoteBlocksToClaim" |
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1341 " options are specified for the CMS collector." |
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1342 " CMSParPromoteBlocksToClaim will take precedence.\n"); |
0 | 1343 } |
1344 } | |
1145
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1345 if (!FLAG_IS_DEFAULT(ResizeOldPLAB) && !ResizeOldPLAB) { |
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1346 // OldPLAB sizing manually turned off: Use a larger default setting, |
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1347 // unless it was manually specified. This is because a too-low value |
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1348 // will slow down scavenges. |
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1349 if (FLAG_IS_DEFAULT(CMSParPromoteBlocksToClaim)) { |
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1350 FLAG_SET_ERGO(uintx, CMSParPromoteBlocksToClaim, 50); // default value before 6631166 |
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1351 } |
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1352 } |
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1353 // Overwrite OldPLABSize which is the variable we will internally use everywhere. |
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1354 FLAG_SET_ERGO(uintx, OldPLABSize, CMSParPromoteBlocksToClaim); |
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1355 // If either of the static initialization defaults have changed, note this |
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1356 // modification. |
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1357 if (!FLAG_IS_DEFAULT(CMSParPromoteBlocksToClaim) || !FLAG_IS_DEFAULT(OldPLABWeight)) { |
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1358 CFLS_LAB::modify_initialization(OldPLABSize, OldPLABWeight); |
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1359 } |
1284 | 1360 if (PrintGCDetails && Verbose) { |
1361 tty->print_cr("MarkStackSize: %uk MarkStackSizeMax: %uk", | |
1362 MarkStackSize / K, MarkStackSizeMax / K); | |
1363 tty->print_cr("ConcGCThreads: %u", ConcGCThreads); | |
1364 } | |
0 | 1365 } |
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1366 #endif // INCLUDE_ALL_GCS |
0 | 1367 |
1571
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1368 void set_object_alignment() { |
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1369 // Object alignment. |
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1370 assert(is_power_of_2(ObjectAlignmentInBytes), "ObjectAlignmentInBytes must be power of 2"); |
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1371 MinObjAlignmentInBytes = ObjectAlignmentInBytes; |
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1372 assert(MinObjAlignmentInBytes >= HeapWordsPerLong * HeapWordSize, "ObjectAlignmentInBytes value is too small"); |
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1373 MinObjAlignment = MinObjAlignmentInBytes / HeapWordSize; |
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1374 assert(MinObjAlignmentInBytes == MinObjAlignment * HeapWordSize, "ObjectAlignmentInBytes value is incorrect"); |
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1375 MinObjAlignmentInBytesMask = MinObjAlignmentInBytes - 1; |
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1376 |
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1377 LogMinObjAlignmentInBytes = exact_log2(ObjectAlignmentInBytes); |
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1378 LogMinObjAlignment = LogMinObjAlignmentInBytes - LogHeapWordSize; |
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1379 |
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1380 // Oop encoding heap max |
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1381 OopEncodingHeapMax = (uint64_t(max_juint) + 1) << LogMinObjAlignmentInBytes; |
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1382 |
8001
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|
1383 #if INCLUDE_ALL_GCS |
1571
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1384 // Set CMS global values |
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1385 CompactibleFreeListSpace::set_cms_values(); |
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|
1386 #endif // INCLUDE_ALL_GCS |
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1387 } |
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|
1388 |
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|
1389 bool verify_object_alignment() { |
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1390 // Object alignment. |
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1391 if (!is_power_of_2(ObjectAlignmentInBytes)) { |
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|
1392 jio_fprintf(defaultStream::error_stream(), |
1829
fe08403130db
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|
1393 "error: ObjectAlignmentInBytes=%d must be power of 2\n", |
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|
1394 (int)ObjectAlignmentInBytes); |
1571
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1395 return false; |
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1396 } |
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1397 if ((int)ObjectAlignmentInBytes < BytesPerLong) { |
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1398 jio_fprintf(defaultStream::error_stream(), |
1829
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|
1399 "error: ObjectAlignmentInBytes=%d must be greater or equal %d\n", |
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|
1400 (int)ObjectAlignmentInBytes, BytesPerLong); |
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|
1401 return false; |
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|
1402 } |
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|
1403 // It does not make sense to have big object alignment |
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|
1404 // since a space lost due to alignment will be greater |
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|
1405 // then a saved space from compressed oops. |
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|
1406 if ((int)ObjectAlignmentInBytes > 256) { |
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|
1407 jio_fprintf(defaultStream::error_stream(), |
7461
561148896559
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|
1408 "error: ObjectAlignmentInBytes=%d must not be greater than 256\n", |
1829
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|
1409 (int)ObjectAlignmentInBytes); |
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|
1410 return false; |
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|
1411 } |
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|
1412 // In case page size is very small. |
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|
1413 if ((int)ObjectAlignmentInBytes >= os::vm_page_size()) { |
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|
1414 jio_fprintf(defaultStream::error_stream(), |
7461
561148896559
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|
1415 "error: ObjectAlignmentInBytes=%d must be less than page size %d\n", |
1829
fe08403130db
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|
1416 (int)ObjectAlignmentInBytes, os::vm_page_size()); |
1571
2d127394260e
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1417 return false; |
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|
1418 } |
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|
1419 return true; |
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|
1420 } |
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|
1421 |
12233
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|
1422 uintx Arguments::max_heap_for_compressed_oops() { |
1963 | 1423 // Avoid sign flip. |
12056
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|
1424 assert(OopEncodingHeapMax > (uint64_t)os::vm_page_size(), "Unusual page size"); |
12233
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8010722: assert: failed: heap size is too big for compressed oops
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|
1425 // We need to fit both the NULL page and the heap into the memory budget, while |
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|
1426 // keeping alignment constraints of the heap. To guarantee the latter, as the |
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|
1427 // NULL page is located before the heap, we pad the NULL page to the conservative |
40136aa2cdb1
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1428 // maximum alignment that the GC may ever impose upon the heap. |
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|
1429 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
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13008
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|
1430 _conservative_max_heap_alignment); |
12233
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|
1431 |
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|
1432 LP64_ONLY(return OopEncodingHeapMax - displacement_due_to_null_page); |
1064 | 1433 NOT_LP64(ShouldNotReachHere(); return 0); |
135
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6689523: max heap calculation for compressed oops is off by MaxPermSize
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diff
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|
1434 } |
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|
1435 |
0 | 1436 bool Arguments::should_auto_select_low_pause_collector() { |
1437 if (UseAutoGCSelectPolicy && | |
1438 !FLAG_IS_DEFAULT(MaxGCPauseMillis) && | |
1439 (MaxGCPauseMillis <= AutoGCSelectPauseMillis)) { | |
1440 if (PrintGCDetails) { | |
1441 // Cannot use gclog_or_tty yet. | |
1442 tty->print_cr("Automatic selection of the low pause collector" | |
1443 " based on pause goal of %d (ms)", MaxGCPauseMillis); | |
1444 } | |
1445 return true; | |
1446 } | |
1447 return false; | |
1448 } | |
1449 | |
8741
eac371996b44
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|
1450 void Arguments::set_use_compressed_oops() { |
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|
1451 #ifndef ZERO |
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8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
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|
1452 #ifdef _LP64 |
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|
1453 // MaxHeapSize is not set up properly at this point, but |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
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8734
diff
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|
1454 // the only value that can override MaxHeapSize if we are |
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8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
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8734
diff
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|
1455 // to use UseCompressedOops is InitialHeapSize. |
eac371996b44
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|
1456 size_t max_heap_size = MAX2(MaxHeapSize, InitialHeapSize); |
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|
1457 |
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brutisso
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|
1458 if (max_heap_size <= max_heap_for_compressed_oops()) { |
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8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
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|
1459 #if !defined(COMPILER1) || defined(TIERED) |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
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diff
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|
1460 if (FLAG_IS_DEFAULT(UseCompressedOops)) { |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
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8734
diff
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|
1461 FLAG_SET_ERGO(bool, UseCompressedOops, true); |
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8734
diff
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|
1462 } |
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|
1463 #endif |
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brutisso
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diff
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|
1464 #ifdef _WIN64 |
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brutisso
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8734
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|
1465 if (UseLargePages && UseCompressedOops) { |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
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8734
diff
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|
1466 // Cannot allocate guard pages for implicit checks in indexed addressing |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
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diff
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|
1467 // mode, when large pages are specified on windows. |
eac371996b44
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diff
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|
1468 // 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
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diff
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|
1469 // see code in Universe::initialize_heap(). |
eac371996b44
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brutisso
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|
1470 Universe::set_narrow_oop_use_implicit_null_checks(false); |
eac371996b44
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|
1471 } |
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|
1472 #endif // _WIN64 |
eac371996b44
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|
1473 } else { |
eac371996b44
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|
1474 if (UseCompressedOops && !FLAG_IS_DEFAULT(UseCompressedOops)) { |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
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|
1475 warning("Max heap size too large for Compressed Oops"); |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
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8734
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|
1476 FLAG_SET_DEFAULT(UseCompressedOops, false); |
12226
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12182
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|
1477 FLAG_SET_DEFAULT(UseCompressedClassPointers, false); |
8741
eac371996b44
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|
1478 } |
eac371996b44
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|
1479 } |
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|
1480 #endif // _LP64 |
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|
1481 #endif // ZERO |
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|
1482 } |
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|
1483 |
12056
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|
1484 |
740e263c80c6
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|
1485 // NOTE: set_use_compressed_klass_ptrs() must be called after calling |
740e263c80c6
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|
1486 // set_use_compressed_oops(). |
740e263c80c6
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|
1487 void Arguments::set_use_compressed_klass_ptrs() { |
740e263c80c6
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|
1488 #ifndef ZERO |
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|
1489 #ifdef _LP64 |
12226
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|
1490 // UseCompressedOops must be on for UseCompressedClassPointers to be on. |
12056
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|
1491 if (!UseCompressedOops) { |
12226
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|
1492 if (UseCompressedClassPointers) { |
7944aba7ba41
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diff
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|
1493 warning("UseCompressedClassPointers requires UseCompressedOops"); |
12056
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|
1494 } |
12226
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|
1495 FLAG_SET_DEFAULT(UseCompressedClassPointers, false); |
12056
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|
1496 } else { |
12226
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diff
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|
1497 // Turn on UseCompressedClassPointers too |
7944aba7ba41
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|
1498 if (FLAG_IS_DEFAULT(UseCompressedClassPointers)) { |
7944aba7ba41
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|
1499 FLAG_SET_ERGO(bool, UseCompressedClassPointers, true); |
12056
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|
1500 } |
12226
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|
1501 // Check the CompressedClassSpaceSize to make sure we use compressed klass ptrs. |
7944aba7ba41
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12182
diff
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|
1502 if (UseCompressedClassPointers) { |
7944aba7ba41
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diff
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|
1503 if (CompressedClassSpaceSize > KlassEncodingMetaspaceMax) { |
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
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|
1504 warning("CompressedClassSpaceSize is too large for UseCompressedClassPointers"); |
7944aba7ba41
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12182
diff
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|
1505 FLAG_SET_DEFAULT(UseCompressedClassPointers, false); |
12056
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|
1506 } |
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|
1507 } |
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|
1508 } |
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12003
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|
1509 #endif // _LP64 |
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12003
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|
1510 #endif // !ZERO |
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12003
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|
1511 } |
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12003
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|
1512 |
12233
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tschatzl
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|
1513 void Arguments::set_conservative_max_heap_alignment() { |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
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|
1514 // The conservative maximum required alignment for the heap is the maximum of |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
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|
1515 // the alignments imposed by several sources: any requirements from the heap |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
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|
1516 // itself, the collector policy and the maximum page size we may run the VM |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
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diff
changeset
|
1517 // with. |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
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|
1518 size_t heap_alignment = GenCollectedHeap::conservative_max_heap_alignment(); |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
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|
1519 #if INCLUDE_ALL_GCS |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
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diff
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|
1520 if (UseParallelGC) { |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
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diff
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|
1521 heap_alignment = ParallelScavengeHeap::conservative_max_heap_alignment(); |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
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diff
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|
1522 } else if (UseG1GC) { |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
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diff
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|
1523 heap_alignment = G1CollectedHeap::conservative_max_heap_alignment(); |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
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|
1524 } |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
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|
1525 #endif // INCLUDE_ALL_GCS |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
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diff
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|
1526 _conservative_max_heap_alignment = MAX3(heap_alignment, os::max_page_size(), |
13060
8f07aa079343
8016309: assert(eden_size > 0 && survivor_size > 0) failed: just checking
jwilhelm
parents:
13059
diff
changeset
|
1527 CollectorPolicy::compute_heap_alignment()); |
12233
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
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diff
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|
1528 } |
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|
1529 |
0 | 1530 void Arguments::set_ergonomics_flags() { |
1531 | |
4946 | 1532 if (os::is_server_class_machine()) { |
0 | 1533 // If no other collector is requested explicitly, |
1534 // let the VM select the collector based on | |
1535 // machine class and automatic selection policy. | |
1536 if (!UseSerialGC && | |
1537 !UseConcMarkSweepGC && | |
342
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diff
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|
1538 !UseG1GC && |
0 | 1539 !UseParNewGC && |
1540 FLAG_IS_DEFAULT(UseParallelGC)) { | |
1541 if (should_auto_select_low_pause_collector()) { | |
1542 FLAG_SET_ERGO(bool, UseConcMarkSweepGC, true); | |
1543 } else { | |
1544 FLAG_SET_ERGO(bool, UseParallelGC, true); | |
1545 } | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
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|
1546 } |
0 | 1547 } |
12355 | 1548 #if defined(COMPILER2) || defined(GRAAL) |
12280
9ed97b511b26
8024517: runtime/CDSCompressedKPtrs/XShareAuto.java failed with RuntimeException
hseigel
parents:
12276
diff
changeset
|
1549 // 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
|
1550 // 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
|
1551 // server performance. When -server is specified, keep the default off |
9ed97b511b26
8024517: runtime/CDSCompressedKPtrs/XShareAuto.java failed with RuntimeException
hseigel
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12276
diff
changeset
|
1552 // unless it is asked for. Future work: either add bytecode rewriting |
9ed97b511b26
8024517: runtime/CDSCompressedKPtrs/XShareAuto.java failed with RuntimeException
hseigel
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12276
diff
changeset
|
1553 // at link time, or rewrite bytecodes in non-shared methods. |
9ed97b511b26
8024517: runtime/CDSCompressedKPtrs/XShareAuto.java failed with RuntimeException
hseigel
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12276
diff
changeset
|
1554 if (!DumpSharedSpaces && !RequireSharedSpaces && |
9ed97b511b26
8024517: runtime/CDSCompressedKPtrs/XShareAuto.java failed with RuntimeException
hseigel
parents:
12276
diff
changeset
|
1555 (FLAG_IS_DEFAULT(UseSharedSpaces) || !UseSharedSpaces)) { |
9ed97b511b26
8024517: runtime/CDSCompressedKPtrs/XShareAuto.java failed with RuntimeException
hseigel
parents:
12276
diff
changeset
|
1556 no_shared_spaces(); |
9ed97b511b26
8024517: runtime/CDSCompressedKPtrs/XShareAuto.java failed with RuntimeException
hseigel
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12276
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|
1557 } |
9ed97b511b26
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|
1558 #endif |
113
ba764ed4b6f2
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|
1559 |
12233
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|
1560 set_conservative_max_heap_alignment(); |
40136aa2cdb1
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|
1561 |
1010 | 1562 #ifndef ZERO |
113
ba764ed4b6f2
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diff
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|
1563 #ifdef _LP64 |
8741
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
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|
1564 set_use_compressed_oops(); |
12056
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
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12003
diff
changeset
|
1565 |
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
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12003
diff
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|
1566 // set_use_compressed_klass_ptrs() must be called after calling |
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
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12003
diff
changeset
|
1567 // set_use_compressed_oops(). |
740e263c80c6
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hseigel
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|
1568 set_use_compressed_klass_ptrs(); |
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
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|
1569 |
113
ba764ed4b6f2
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|
1570 // Also checks that certain machines are slower with compressed oops |
ba764ed4b6f2
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diff
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|
1571 // in vm_version initialization code. |
ba764ed4b6f2
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|
1572 #endif // _LP64 |
1010 | 1573 #endif // !ZERO |
0 | 1574 } |
1575 | |
1576 void Arguments::set_parallel_gc_flags() { | |
342
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|
1577 assert(UseParallelGC || UseParallelOldGC, "Error"); |
4879 | 1578 // Enable ParallelOld unless it was explicitly disabled (cmd line or rc file). |
1579 if (FLAG_IS_DEFAULT(UseParallelOldGC)) { | |
1580 FLAG_SET_DEFAULT(UseParallelOldGC, true); | |
0 | 1581 } |
4879 | 1582 FLAG_SET_DEFAULT(UseParallelGC, true); |
0 | 1583 |
1584 // If no heap maximum was requested explicitly, use some reasonable fraction | |
1585 // of the physical memory, up to a maximum of 1GB. | |
7471
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
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7453
diff
changeset
|
1586 FLAG_SET_DEFAULT(ParallelGCThreads, |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
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diff
changeset
|
1587 Abstract_VM_Version::parallel_worker_threads()); |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
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diff
changeset
|
1588 if (ParallelGCThreads == 0) { |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
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7453
diff
changeset
|
1589 jio_fprintf(defaultStream::error_stream(), |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
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diff
changeset
|
1590 "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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|
1591 vm_exit(1); |
4c8bf5e55392
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|
1592 } |
4c8bf5e55392
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diff
changeset
|
1593 |
14313
44315152d434
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14309
diff
changeset
|
1594 if (UseAdaptiveSizePolicy) { |
44315152d434
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
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14309
diff
changeset
|
1595 // We don't want to limit adaptive heap sizing's freedom to adjust the heap |
44315152d434
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14309
diff
changeset
|
1596 // unless the user actually sets these flags. |
44315152d434
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
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14309
diff
changeset
|
1597 if (FLAG_IS_DEFAULT(MinHeapFreeRatio)) { |
44315152d434
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
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14309
diff
changeset
|
1598 FLAG_SET_DEFAULT(MinHeapFreeRatio, 0); |
44315152d434
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
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14309
diff
changeset
|
1599 } |
44315152d434
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
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14309
diff
changeset
|
1600 if (FLAG_IS_DEFAULT(MaxHeapFreeRatio)) { |
44315152d434
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
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14309
diff
changeset
|
1601 FLAG_SET_DEFAULT(MaxHeapFreeRatio, 100); |
44315152d434
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14309
diff
changeset
|
1602 } |
44315152d434
8028391: Make the Min/MaxHeapFreeRatio flags manageable
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14309
diff
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|
1603 } |
7471
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
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7453
diff
changeset
|
1604 |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
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7453
diff
changeset
|
1605 // If InitialSurvivorRatio or MinSurvivorRatio were not specified, but the |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1606 // SurvivorRatio has been set, reset their default values to SurvivorRatio + |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1607 // 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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7453
diff
changeset
|
1608 // See CR 6362902 for details. |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
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7453
diff
changeset
|
1609 if (!FLAG_IS_DEFAULT(SurvivorRatio)) { |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
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7453
diff
changeset
|
1610 if (FLAG_IS_DEFAULT(InitialSurvivorRatio)) { |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1611 FLAG_SET_DEFAULT(InitialSurvivorRatio, SurvivorRatio + 2); |
0 | 1612 } |
7471
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
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7453
diff
changeset
|
1613 if (FLAG_IS_DEFAULT(MinSurvivorRatio)) { |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1614 FLAG_SET_DEFAULT(MinSurvivorRatio, SurvivorRatio + 2); |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
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7453
diff
changeset
|
1615 } |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
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7453
diff
changeset
|
1616 } |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
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7453
diff
changeset
|
1617 |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
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7453
diff
changeset
|
1618 if (UseParallelOldGC) { |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
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7453
diff
changeset
|
1619 // 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
|
1620 // minimums. These are different defaults because of the different |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1621 // interpretation and are not ergonomically set. |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1622 if (FLAG_IS_DEFAULT(MarkSweepDeadRatio)) { |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1623 FLAG_SET_DEFAULT(MarkSweepDeadRatio, 1); |
0 | 1624 } |
1625 } | |
1626 } | |
1627 | |
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
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135
diff
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|
1628 void Arguments::set_g1_gc_flags() { |
37f87013dfd8
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diff
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|
1629 assert(UseG1GC, "Error"); |
7125
1baf7f1e3f23
decoupled C++ Graal runtime from C1
Doug Simon <doug.simon@oracle.com>
parents:
7066
diff
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|
1630 #if defined(COMPILER1) || defined(GRAAL) |
342
37f87013dfd8
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135
diff
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|
1631 FastTLABRefill = false; |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
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135
diff
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|
1632 #endif |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
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135
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changeset
|
1633 FLAG_SET_DEFAULT(ParallelGCThreads, |
37f87013dfd8
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diff
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|
1634 Abstract_VM_Version::parallel_worker_threads()); |
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6711316: Open source the Garbage-First garbage collector
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diff
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|
1635 if (ParallelGCThreads == 0) { |
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|
1636 FLAG_SET_DEFAULT(ParallelGCThreads, |
751 | 1637 Abstract_VM_Version::parallel_worker_threads()); |
342
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|
1638 } |
751 | 1639 |
7397
442f942757c0
8000244: G1: Ergonomically set MarkStackSize and use virtual space for global marking stack
johnc
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7177
diff
changeset
|
1640 // 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
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|
1641 // 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
|
1642 // 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
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7177
diff
changeset
|
1643 // 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
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7177
diff
changeset
|
1644 if (FLAG_IS_DEFAULT(MarkStackSizeMax)) { |
442f942757c0
8000244: G1: Ergonomically set MarkStackSize and use virtual space for global marking stack
johnc
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7177
diff
changeset
|
1645 FLAG_SET_DEFAULT(MarkStackSizeMax, 128 * TASKQUEUE_SIZE); |
1284 | 1646 } |
1356 | 1647 |
1648 if (FLAG_IS_DEFAULT(GCTimeRatio) || GCTimeRatio == 0) { | |
1649 // In G1, we want the default GC overhead goal to be higher than | |
1650 // say in PS. So we set it here to 10%. Otherwise the heap might | |
1651 // be expanded more aggressively than we would like it to. In | |
1652 // fact, even 10% seems to not be high enough in some cases | |
1653 // (especially small GC stress tests that the main thing they do | |
1654 // is allocation). We might consider increase it further. | |
1655 FLAG_SET_DEFAULT(GCTimeRatio, 9); | |
1656 } | |
7397
442f942757c0
8000244: G1: Ergonomically set MarkStackSize and use virtual space for global marking stack
johnc
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7177
diff
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|
1657 |
442f942757c0
8000244: G1: Ergonomically set MarkStackSize and use virtual space for global marking stack
johnc
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7177
diff
changeset
|
1658 if (PrintGCDetails && Verbose) { |
442f942757c0
8000244: G1: Ergonomically set MarkStackSize and use virtual space for global marking stack
johnc
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7177
diff
changeset
|
1659 tty->print_cr("MarkStackSize: %uk MarkStackSizeMax: %uk", |
442f942757c0
8000244: G1: Ergonomically set MarkStackSize and use virtual space for global marking stack
johnc
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7177
diff
changeset
|
1660 MarkStackSize / K, MarkStackSizeMax / K); |
442f942757c0
8000244: G1: Ergonomically set MarkStackSize and use virtual space for global marking stack
johnc
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7177
diff
changeset
|
1661 tty->print_cr("ConcGCThreads: %u", ConcGCThreads); |
442f942757c0
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7177
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|
1662 } |
342
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|
1663 } |
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|
1664 |
8854
754c24457b20
7112912: Message "Error occurred during initialization of VM" on boxes with lots of RAM
tschatzl
parents:
8824
diff
changeset
|
1665 julong Arguments::limit_by_allocatable_memory(julong limit) { |
754c24457b20
7112912: Message "Error occurred during initialization of VM" on boxes with lots of RAM
tschatzl
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8824
diff
changeset
|
1666 julong max_allocatable; |
754c24457b20
7112912: Message "Error occurred during initialization of VM" on boxes with lots of RAM
tschatzl
parents:
8824
diff
changeset
|
1667 julong result = limit; |
754c24457b20
7112912: Message "Error occurred during initialization of VM" on boxes with lots of RAM
tschatzl
parents:
8824
diff
changeset
|
1668 if (os::has_allocatable_memory_limit(&max_allocatable)) { |
754c24457b20
7112912: Message "Error occurred during initialization of VM" on boxes with lots of RAM
tschatzl
parents:
8824
diff
changeset
|
1669 result = MIN2(result, max_allocatable / MaxVirtMemFraction); |
754c24457b20
7112912: Message "Error occurred during initialization of VM" on boxes with lots of RAM
tschatzl
parents:
8824
diff
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|
1670 } |
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1671 return result; |
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|
1672 } |
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|
1673 |
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|
1674 // Use static initialization to get the default before parsing |
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|
1675 static const uintx DefaultHeapBaseMinAddress = HeapBaseMinAddress; |
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|
1676 |
1064 | 1677 void Arguments::set_heap_size() { |
1678 if (!FLAG_IS_DEFAULT(DefaultMaxRAMFraction)) { | |
1679 // Deprecated flag | |
1680 FLAG_SET_CMDLINE(uintx, MaxRAMFraction, DefaultMaxRAMFraction); | |
1681 } | |
1682 | |
1683 const julong phys_mem = | |
1684 FLAG_IS_DEFAULT(MaxRAM) ? MIN2(os::physical_memory(), (julong)MaxRAM) | |
1685 : (julong)MaxRAM; | |
1686 | |
1687 // If the maximum heap size has not been set with -Xmx, | |
1688 // then set it as fraction of the size of physical memory, | |
1689 // respecting the maximum and minimum sizes of the heap. | |
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1690 if (FLAG_IS_DEFAULT(MaxHeapSize)) { |
1064 | 1691 julong reasonable_max = phys_mem / MaxRAMFraction; |
1692 | |
1693 if (phys_mem <= MaxHeapSize * MinRAMFraction) { | |
1694 // Small physical memory, so use a minimum fraction of it for the heap | |
1695 reasonable_max = phys_mem / MinRAMFraction; | |
1696 } else { | |
1697 // Not-small physical memory, so require a heap at least | |
1698 // as large as MaxHeapSize | |
1699 reasonable_max = MAX2(reasonable_max, (julong)MaxHeapSize); | |
1700 } | |
1701 if (!FLAG_IS_DEFAULT(ErgoHeapSizeLimit) && ErgoHeapSizeLimit != 0) { | |
1702 // Limit the heap size to ErgoHeapSizeLimit | |
1703 reasonable_max = MIN2(reasonable_max, (julong)ErgoHeapSizeLimit); | |
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1704 } |
1064 | 1705 if (UseCompressedOops) { |
1706 // Limit the heap size to the maximum possible when using compressed oops | |
1963 | 1707 julong max_coop_heap = (julong)max_heap_for_compressed_oops(); |
14474
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|
1708 |
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|
1709 // HeapBaseMinAddress can be greater than default but not less than. |
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1710 if (!FLAG_IS_DEFAULT(HeapBaseMinAddress)) { |
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|
1711 if (HeapBaseMinAddress < DefaultHeapBaseMinAddress) { |
14657
4adcdd3ccb66
8036547: test/runtime/CompressedOops/CompressedClassPointers.java fails with product build since -XX:+PrintMiscellaneous is a debug only flag
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|
1712 // matches compressed oops printing flags |
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|
1713 if (PrintCompressedOopsMode || (PrintMiscellaneous && Verbose)) { |
14474
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|
1714 jio_fprintf(defaultStream::error_stream(), |
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|
1715 "HeapBaseMinAddress must be at least " UINTX_FORMAT |
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1716 " (" UINTX_FORMAT "G) which is greater than value given " |
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|
1717 UINTX_FORMAT "\n", |
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1718 DefaultHeapBaseMinAddress, |
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1719 DefaultHeapBaseMinAddress/G, |
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1720 HeapBaseMinAddress); |
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|
1721 } |
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|
1722 FLAG_SET_ERGO(uintx, HeapBaseMinAddress, DefaultHeapBaseMinAddress); |
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|
1723 } |
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|
1724 } |
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|
1725 |
1963 | 1726 if (HeapBaseMinAddress + MaxHeapSize < max_coop_heap) { |
1727 // Heap should be above HeapBaseMinAddress to get zero based compressed oops | |
1728 // but it should be not less than default MaxHeapSize. | |
1729 max_coop_heap -= HeapBaseMinAddress; | |
1730 } | |
1731 reasonable_max = MIN2(reasonable_max, max_coop_heap); | |
1064 | 1732 } |
8854
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|
1733 reasonable_max = limit_by_allocatable_memory(reasonable_max); |
1064 | 1734 |
1735 if (!FLAG_IS_DEFAULT(InitialHeapSize)) { | |
1736 // An initial heap size was specified on the command line, | |
1737 // so be sure that the maximum size is consistent. Done | |
8854
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1738 // after call to limit_by_allocatable_memory because that |
1064 | 1739 // method might reduce the allocation size. |
1740 reasonable_max = MAX2(reasonable_max, (julong)InitialHeapSize); | |
1741 } | |
1742 | |
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1743 if (PrintGCDetails && Verbose) { |
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1744 // Cannot use gclog_or_tty yet. |
1064 | 1745 tty->print_cr(" Maximum heap size " SIZE_FORMAT, reasonable_max); |
342
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1746 } |
1064 | 1747 FLAG_SET_ERGO(uintx, MaxHeapSize, (uintx)reasonable_max); |
1748 } | |
1749 | |
10241
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1750 // If the minimum or initial heap_size have not been set or requested to be set |
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1751 // ergonomically, set them accordingly. |
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1752 if (InitialHeapSize == 0 || min_heap_size() == 0) { |
1074
84cb6f20afb3
6900899: vm fails to start when -Xmx value is less than OldSize + NewSize
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|
1753 julong reasonable_minimum = (julong)(OldSize + NewSize); |
84cb6f20afb3
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1754 |
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1755 reasonable_minimum = MIN2(reasonable_minimum, (julong)MaxHeapSize); |
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1756 |
8854
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1757 reasonable_minimum = limit_by_allocatable_memory(reasonable_minimum); |
1074
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|
1758 |
10241
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1759 if (InitialHeapSize == 0) { |
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|
1760 julong reasonable_initial = phys_mem / InitialRAMFraction; |
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|
1761 |
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1762 reasonable_initial = MAX3(reasonable_initial, reasonable_minimum, (julong)min_heap_size()); |
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1763 reasonable_initial = MIN2(reasonable_initial, (julong)MaxHeapSize); |
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1764 |
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|
1765 reasonable_initial = limit_by_allocatable_memory(reasonable_initial); |
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|
1766 |
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|
1767 if (PrintGCDetails && Verbose) { |
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|
1768 // Cannot use gclog_or_tty yet. |
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|
1769 tty->print_cr(" Initial heap size " SIZE_FORMAT, (uintx)reasonable_initial); |
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|
1770 } |
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|
1771 FLAG_SET_ERGO(uintx, InitialHeapSize, (uintx)reasonable_initial); |
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1772 } |
10241
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|
1773 // If the minimum heap size has not been set (via -Xms), |
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|
1774 // synchronize with InitialHeapSize to avoid errors with the default value. |
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|
1775 if (min_heap_size() == 0) { |
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|
1776 set_min_heap_size(MIN2((uintx)reasonable_minimum, InitialHeapSize)); |
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|
1777 if (PrintGCDetails && Verbose) { |
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|
1778 // Cannot use gclog_or_tty yet. |
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|
1779 tty->print_cr(" Minimum heap size " SIZE_FORMAT, min_heap_size()); |
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|
1780 } |
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|
1781 } |
342
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1782 } |
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|
1783 } |
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|
1784 |
0 | 1785 // This must be called after ergonomics because we want bytecode rewriting |
1786 // if the server compiler is used, or if UseSharedSpaces is disabled. | |
1787 void Arguments::set_bytecode_flags() { | |
1788 // Better not attempt to store into a read-only space. | |
1789 if (UseSharedSpaces) { | |
1790 FLAG_SET_DEFAULT(RewriteBytecodes, false); | |
1791 FLAG_SET_DEFAULT(RewriteFrequentPairs, false); | |
1792 } | |
1793 | |
1794 if (!RewriteBytecodes) { | |
1795 FLAG_SET_DEFAULT(RewriteFrequentPairs, false); | |
1796 } | |
1797 } | |
1798 | |
1799 // Aggressive optimization flags -XX:+AggressiveOpts | |
1800 void Arguments::set_aggressive_opts_flags() { | |
17
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|
1801 #ifdef COMPILER2 |
10278 | 1802 if (AggressiveUnboxing) { |
1803 if (FLAG_IS_DEFAULT(EliminateAutoBox)) { | |
1804 FLAG_SET_DEFAULT(EliminateAutoBox, true); | |
1805 } else if (!EliminateAutoBox) { | |
1806 // warning("AggressiveUnboxing is disabled because EliminateAutoBox is disabled"); | |
1807 AggressiveUnboxing = false; | |
1808 } | |
1809 if (FLAG_IS_DEFAULT(DoEscapeAnalysis)) { | |
1810 FLAG_SET_DEFAULT(DoEscapeAnalysis, true); | |
1811 } else if (!DoEscapeAnalysis) { | |
1812 // warning("AggressiveUnboxing is disabled because DoEscapeAnalysis is disabled"); | |
1813 AggressiveUnboxing = false; | |
1814 } | |
1815 } | |
17
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|
1816 if (AggressiveOpts || !FLAG_IS_DEFAULT(AutoBoxCacheMax)) { |
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|
1817 if (FLAG_IS_DEFAULT(EliminateAutoBox)) { |
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6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
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|
1818 FLAG_SET_DEFAULT(EliminateAutoBox, true); |
ff5961f4c095
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|
1819 } |
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|
1820 if (FLAG_IS_DEFAULT(AutoBoxCacheMax)) { |
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|
1821 FLAG_SET_DEFAULT(AutoBoxCacheMax, 20000); |
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1822 } |
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|
1823 |
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|
1824 // Feed the cache size setting into the JDK |
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|
1825 char buffer[1024]; |
513
2328d1d3f8cf
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|
1826 sprintf(buffer, "java.lang.Integer.IntegerCache.high=" INTX_FORMAT, AutoBoxCacheMax); |
17
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|
1827 add_property(buffer); |
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|
1828 } |
416
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1829 if (AggressiveOpts && FLAG_IS_DEFAULT(BiasedLockingStartupDelay)) { |
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|
1830 FLAG_SET_DEFAULT(BiasedLockingStartupDelay, 500); |
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1831 } |
17
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|
1832 #endif |
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|
1833 |
0 | 1834 if (AggressiveOpts) { |
61 | 1835 // Sample flag setting code |
1836 // if (FLAG_IS_DEFAULT(EliminateZeroing)) { | |
1837 // FLAG_SET_DEFAULT(EliminateZeroing, true); | |
1838 // } | |
0 | 1839 } |
1840 } | |
1841 | |
1842 //=========================================================================================================== | |
1843 // Parsing of java.compiler property | |
1844 | |
1845 void Arguments::process_java_compiler_argument(char* arg) { | |
1846 // For backwards compatibility, Djava.compiler=NONE or "" | |
1847 // causes us to switch to -Xint mode UNLESS -Xdebug | |
1848 // is also specified. | |
1849 if (strlen(arg) == 0 || strcasecmp(arg, "NONE") == 0) { | |
1850 set_java_compiler(true); // "-Djava.compiler[=...]" most recently seen. | |
1851 } | |
1852 } | |
1853 | |
1854 void Arguments::process_java_launcher_argument(const char* launcher, void* extra_info) { | |
1855 _sun_java_launcher = strdup(launcher); | |
1856 } | |
1857 | |
1858 bool Arguments::created_by_java_launcher() { | |
1859 assert(_sun_java_launcher != NULL, "property must have value"); | |
1860 return strcmp(DEFAULT_JAVA_LAUNCHER, _sun_java_launcher) != 0; | |
1861 } | |
1862 | |
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|
1863 bool Arguments::sun_java_launcher_is_altjvm() { |
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|
1864 return _sun_java_launcher_is_altjvm; |
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|
1865 } |
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|
1866 |
0 | 1867 //=========================================================================================================== |
1868 // Parsing of main arguments | |
1869 | |
1244
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|
1870 bool Arguments::verify_interval(uintx val, uintx min, |
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|
1871 uintx max, const char* name) { |
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|
1872 // Returns true iff value is in the inclusive interval [min..max] |
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1873 // false, otherwise. |
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1874 if (val >= min && val <= max) { |
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1875 return true; |
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1876 } |
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1877 jio_fprintf(defaultStream::error_stream(), |
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1878 "%s of " UINTX_FORMAT " is invalid; must be between " UINTX_FORMAT |
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1879 " and " UINTX_FORMAT "\n", |
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1880 name, val, min, max); |
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1881 return false; |
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1882 } |
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1883 |
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1884 bool Arguments::verify_min_value(intx val, intx min, const char* name) { |
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1885 // Returns true if given value is at least specified min threshold |
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1886 // false, otherwise. |
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1887 if (val >= min ) { |
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1888 return true; |
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1889 } |
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1890 jio_fprintf(defaultStream::error_stream(), |
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1891 "%s of " INTX_FORMAT " is invalid; must be at least " INTX_FORMAT "\n", |
1744
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1892 name, val, min); |
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1893 return false; |
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1894 } |
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1895 |
0 | 1896 bool Arguments::verify_percentage(uintx value, const char* name) { |
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1897 if (is_percentage(value)) { |
0 | 1898 return true; |
1899 } | |
1900 jio_fprintf(defaultStream::error_stream(), | |
1901 "%s of " UINTX_FORMAT " is invalid; must be between 0 and 100\n", | |
1902 name, value); | |
1903 return false; | |
1904 } | |
1905 | |
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1906 #if !INCLUDE_ALL_GCS |
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1907 #ifdef ASSERT |
0 | 1908 static bool verify_serial_gc_flags() { |
1909 return (UseSerialGC && | |
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1910 !(UseParNewGC || (UseConcMarkSweepGC || CMSIncrementalMode) || UseG1GC || |
342
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1911 UseParallelGC || UseParallelOldGC)); |
0 | 1912 } |
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1913 #endif // ASSERT |
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1914 #endif // INCLUDE_ALL_GCS |
0 | 1915 |
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1916 // check if do gclog rotation |
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1917 // +UseGCLogFileRotation is a must, |
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1918 // no gc log rotation when log file not supplied or |
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1919 // NumberOfGCLogFiles is 0, or GCLogFileSize is 0 |
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1920 void check_gclog_consistency() { |
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1921 if (UseGCLogFileRotation) { |
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1922 if ((Arguments::gc_log_filename() == NULL) || |
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1923 (NumberOfGCLogFiles == 0) || |
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1924 (GCLogFileSize == 0)) { |
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1925 jio_fprintf(defaultStream::output_stream(), |
12215 | 1926 "To enable GC log rotation, use -Xloggc:<filename> -XX:+UseGCLogFileRotation -XX:NumberOfGCLogFiles=<num_of_files> -XX:GCLogFileSize=<num_of_size>[k|K|m|M|g|G]\n" |
3767
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1927 "where num_of_file > 0 and num_of_size > 0\n" |
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1928 "GC log rotation is turned off\n"); |
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1929 UseGCLogFileRotation = false; |
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1930 } |
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1931 } |
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1932 |
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1933 if (UseGCLogFileRotation && GCLogFileSize < 8*K) { |
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1934 FLAG_SET_CMDLINE(uintx, GCLogFileSize, 8*K); |
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1935 jio_fprintf(defaultStream::output_stream(), |
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1936 "GCLogFileSize changed to minimum 8K\n"); |
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1937 } |
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1938 } |
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1939 |
12215 | 1940 // This function is called for -Xloggc:<filename>, it can be used |
1941 // to check if a given file name(or string) conforms to the following | |
1942 // specification: | |
1943 // A valid string only contains "[A-Z][a-z][0-9].-_%[p|t]" | |
1944 // %p and %t only allowed once. We only limit usage of filename not path | |
1945 bool is_filename_valid(const char *file_name) { | |
1946 const char* p = file_name; | |
1947 char file_sep = os::file_separator()[0]; | |
1948 const char* cp; | |
1949 // skip prefix path | |
1950 for (cp = file_name; *cp != '\0'; cp++) { | |
1951 if (*cp == '/' || *cp == file_sep) { | |
1952 p = cp + 1; | |
1953 } | |
1954 } | |
1955 | |
1956 int count_p = 0; | |
1957 int count_t = 0; | |
1958 while (*p != '\0') { | |
1959 if ((*p >= '0' && *p <= '9') || | |
1960 (*p >= 'A' && *p <= 'Z') || | |
1961 (*p >= 'a' && *p <= 'z') || | |
1962 *p == '-' || | |
1963 *p == '_' || | |
1964 *p == '.') { | |
1965 p++; | |
1966 continue; | |
1967 } | |
1968 if (*p == '%') { | |
1969 if(*(p + 1) == 'p') { | |
1970 p += 2; | |
1971 count_p ++; | |
1972 continue; | |
1973 } | |
1974 if (*(p + 1) == 't') { | |
1975 p += 2; | |
1976 count_t ++; | |
1977 continue; | |
1978 } | |
1979 } | |
1980 return false; | |
1981 } | |
1982 return count_p < 2 && count_t < 2; | |
1983 } | |
1984 | |
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1985 bool Arguments::verify_MinHeapFreeRatio(FormatBuffer<80>& err_msg, uintx min_heap_free_ratio) { |
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1986 if (!is_percentage(min_heap_free_ratio)) { |
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1987 err_msg.print("MinHeapFreeRatio must have a value between 0 and 100"); |
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1988 return false; |
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1989 } |
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1990 if (min_heap_free_ratio > MaxHeapFreeRatio) { |
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1991 err_msg.print("MinHeapFreeRatio (" UINTX_FORMAT ") must be less than or " |
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1992 "equal to MaxHeapFreeRatio (" UINTX_FORMAT ")", min_heap_free_ratio, |
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1993 MaxHeapFreeRatio); |
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1994 return false; |
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1995 } |
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1996 return true; |
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1997 } |
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1998 |
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1999 bool Arguments::verify_MaxHeapFreeRatio(FormatBuffer<80>& err_msg, uintx max_heap_free_ratio) { |
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2000 if (!is_percentage(max_heap_free_ratio)) { |
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2001 err_msg.print("MaxHeapFreeRatio must have a value between 0 and 100"); |
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2002 return false; |
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2003 } |
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2004 if (max_heap_free_ratio < MinHeapFreeRatio) { |
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2005 err_msg.print("MaxHeapFreeRatio (" UINTX_FORMAT ") must be greater than or " |
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2006 "equal to MinHeapFreeRatio (" UINTX_FORMAT ")", max_heap_free_ratio, |
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2007 MinHeapFreeRatio); |
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2008 return false; |
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2009 } |
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2010 return true; |
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2011 } |
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2012 |
10
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2013 // Check consistency of GC selection |
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2014 bool Arguments::check_gc_consistency() { |
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2015 check_gclog_consistency(); |
10
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2016 bool status = true; |
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2017 // Ensure that the user has not selected conflicting sets |
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2018 // of collectors. [Note: this check is merely a user convenience; |
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2019 // collectors over-ride each other so that only a non-conflicting |
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2020 // set is selected; however what the user gets is not what they |
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2021 // may have expected from the combination they asked for. It's |
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2022 // better to reduce user confusion by not allowing them to |
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2023 // select conflicting combinations. |
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2024 uint i = 0; |
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2025 if (UseSerialGC) i++; |
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2026 if (UseConcMarkSweepGC || UseParNewGC) i++; |
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2027 if (UseParallelGC || UseParallelOldGC) i++; |
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2028 if (UseG1GC) i++; |
10
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2029 if (i > 1) { |
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2030 jio_fprintf(defaultStream::error_stream(), |
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2031 "Conflicting collector combinations in option list; " |
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2032 "please refer to the release notes for the combinations " |
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2033 "allowed\n"); |
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2034 status = false; |
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2035 } |
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2036 return status; |
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2037 } |
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2038 |
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2039 void Arguments::check_deprecated_gcs() { |
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2040 if (UseConcMarkSweepGC && !UseParNewGC) { |
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2041 warning("Using the DefNew young collector with the CMS collector is deprecated " |
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2042 "and will likely be removed in a future release"); |
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|
2043 } |
e0ab18eafbde
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
7451
diff
changeset
|
2044 |
e0ab18eafbde
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
7451
diff
changeset
|
2045 if (UseParNewGC && !UseConcMarkSweepGC) { |
e0ab18eafbde
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
7451
diff
changeset
|
2046 // !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
|
2047 // 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
|
2048 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
|
2049 "and will likely be removed in a future release"); |
e0ab18eafbde
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
7451
diff
changeset
|
2050 } |
7453 | 2051 |
2052 if (CMSIncrementalMode) { | |
2053 warning("Using incremental CMS is deprecated and will likely be removed in a future release"); | |
2054 } | |
7452
e0ab18eafbde
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
7451
diff
changeset
|
2055 } |
e0ab18eafbde
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
7451
diff
changeset
|
2056 |
8734 | 2057 void Arguments::check_deprecated_gc_flags() { |
2058 if (FLAG_IS_CMDLINE(MaxGCMinorPauseMillis)) { | |
2059 warning("Using MaxGCMinorPauseMillis as minor pause goal is deprecated" | |
2060 "and will likely be removed in future release"); | |
2061 } | |
11977 | 2062 if (FLAG_IS_CMDLINE(DefaultMaxRAMFraction)) { |
2063 warning("DefaultMaxRAMFraction is deprecated and will likely be removed in a future release. " | |
2064 "Use MaxRAMFraction instead."); | |
2065 } | |
13008
3b3133d93fb6
8027132: Print deprecation warning message for the flags controlling the CMS foreground collector
brutisso
parents:
12976
diff
changeset
|
2066 if (FLAG_IS_CMDLINE(UseCMSCompactAtFullCollection)) { |
3b3133d93fb6
8027132: Print deprecation warning message for the flags controlling the CMS foreground collector
brutisso
parents:
12976
diff
changeset
|
2067 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
|
2068 } |
3b3133d93fb6
8027132: Print deprecation warning message for the flags controlling the CMS foreground collector
brutisso
parents:
12976
diff
changeset
|
2069 if (FLAG_IS_CMDLINE(CMSFullGCsBeforeCompaction)) { |
3b3133d93fb6
8027132: Print deprecation warning message for the flags controlling the CMS foreground collector
brutisso
parents:
12976
diff
changeset
|
2070 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
|
2071 } |
3b3133d93fb6
8027132: Print deprecation warning message for the flags controlling the CMS foreground collector
brutisso
parents:
12976
diff
changeset
|
2072 if (FLAG_IS_CMDLINE(UseCMSCollectionPassing)) { |
3b3133d93fb6
8027132: Print deprecation warning message for the flags controlling the CMS foreground collector
brutisso
parents:
12976
diff
changeset
|
2073 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
|
2074 } |
8734 | 2075 } |
2076 | |
1744
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
2077 // Check stack pages settings |
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
2078 bool Arguments::check_stack_pages() |
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
2079 { |
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
2080 bool status = true; |
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
2081 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
|
2082 status = status && verify_min_value(StackRedPages, 1, "StackRedPages"); |
1867
b6aedd1acdc0
6983240: guarantee((Solaris::min_stack_allowed >= (StackYellowPages+StackRedPages...) wrong
coleenp
parents:
1864
diff
changeset
|
2083 // 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
|
2084 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
|
2085 return status; |
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
2086 } |
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
2087 |
0 | 2088 // Check the consistency of vm_init_args |
2089 bool Arguments::check_vm_args_consistency() { | |
2090 // Method for adding checks for flag consistency. | |
2091 // The intent is to warn the user of all possible conflicts, | |
2092 // before returning an error. | |
2093 // Note: Needs platform-dependent factoring. | |
2094 bool status = true; | |
2095 | |
2096 // Allow both -XX:-UseStackBanging and -XX:-UseBoundThreads in non-product | |
2097 // builds so the cost of stack banging can be measured. | |
2098 #if (defined(PRODUCT) && defined(SOLARIS)) | |
2099 if (!UseBoundThreads && !UseStackBanging) { | |
2100 jio_fprintf(defaultStream::error_stream(), | |
2101 "-UseStackBanging conflicts with -UseBoundThreads\n"); | |
2102 | |
2103 status = false; | |
2104 } | |
2105 #endif | |
2106 | |
2107 if (TLABRefillWasteFraction == 0) { | |
2108 jio_fprintf(defaultStream::error_stream(), | |
2109 "TLABRefillWasteFraction should be a denominator, " | |
2110 "not " SIZE_FORMAT "\n", | |
2111 TLABRefillWasteFraction); | |
2112 status = false; | |
2113 } | |
2114 | |
10287
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2115 status = status && verify_interval(AdaptiveSizePolicyWeight, 0, 100, |
0 | 2116 "AdaptiveSizePolicyWeight"); |
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2117 status = status && verify_percentage(ThresholdTolerance, "ThresholdTolerance"); |
0 | 2118 |
6982
e4f764ddb06a
7122219: Passed StringTableSize value not verified
hseigel
parents:
6928
diff
changeset
|
2119 // 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
|
2120 // 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
|
2121 status = status && verify_interval(StringTableSize, minimumStringTableSize, |
6982
e4f764ddb06a
7122219: Passed StringTableSize value not verified
hseigel
parents:
6928
diff
changeset
|
2122 (max_uintx / StringTable::bucket_size()), "StringTable size"); |
e4f764ddb06a
7122219: Passed StringTableSize value not verified
hseigel
parents:
6928
diff
changeset
|
2123 |
12825
c90e76575b03
8019375: Internal symbol table size should be tunable.
kevinw
parents:
12326
diff
changeset
|
2124 status = status && verify_interval(SymbolTableSize, minimumSymbolTableSize, |
c90e76575b03
8019375: Internal symbol table size should be tunable.
kevinw
parents:
12326
diff
changeset
|
2125 (max_uintx / SymbolTable::bucket_size()), "SymbolTable size"); |
c90e76575b03
8019375: Internal symbol table size should be tunable.
kevinw
parents:
12326
diff
changeset
|
2126 |
14313
44315152d434
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14309
diff
changeset
|
2127 { |
44315152d434
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14309
diff
changeset
|
2128 // Using "else if" below to avoid printing two error messages if min > max. |
44315152d434
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14309
diff
changeset
|
2129 // This will also prevent us from reporting both min>100 and max>100 at the |
44315152d434
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14309
diff
changeset
|
2130 // same time, but that is less annoying than printing two identical errors IMHO. |
44315152d434
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14309
diff
changeset
|
2131 FormatBuffer<80> err_msg(""); |
44315152d434
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14309
diff
changeset
|
2132 if (!verify_MinHeapFreeRatio(err_msg, MinHeapFreeRatio)) { |
44315152d434
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14309
diff
changeset
|
2133 jio_fprintf(defaultStream::error_stream(), "%s\n", err_msg.buffer()); |
44315152d434
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14309
diff
changeset
|
2134 status = false; |
44315152d434
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14309
diff
changeset
|
2135 } else if (!verify_MaxHeapFreeRatio(err_msg, MaxHeapFreeRatio)) { |
44315152d434
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14309
diff
changeset
|
2136 jio_fprintf(defaultStream::error_stream(), "%s\n", err_msg.buffer()); |
44315152d434
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14309
diff
changeset
|
2137 status = false; |
44315152d434
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14309
diff
changeset
|
2138 } |
0 | 2139 } |
2140 | |
8040
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2141 // Min/MaxMetaspaceFreeRatio |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2142 status = status && verify_percentage(MinMetaspaceFreeRatio, "MinMetaspaceFreeRatio"); |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2143 status = status && verify_percentage(MaxMetaspaceFreeRatio, "MaxMetaspaceFreeRatio"); |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2144 |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2145 if (MinMetaspaceFreeRatio > MaxMetaspaceFreeRatio) { |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2146 jio_fprintf(defaultStream::error_stream(), |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2147 "MinMetaspaceFreeRatio (%s" UINTX_FORMAT ") must be less than or " |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2148 "equal to MaxMetaspaceFreeRatio (%s" UINTX_FORMAT ")\n", |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2149 FLAG_IS_DEFAULT(MinMetaspaceFreeRatio) ? "Default: " : "", |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2150 MinMetaspaceFreeRatio, |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2151 FLAG_IS_DEFAULT(MaxMetaspaceFreeRatio) ? "Default: " : "", |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2152 MaxMetaspaceFreeRatio); |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2153 status = false; |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2154 } |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2155 |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2156 // Trying to keep 100% free is not practical |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2157 MinMetaspaceFreeRatio = MIN2(MinMetaspaceFreeRatio, (uintx) 99); |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2158 |
0 | 2159 if (FullGCALot && FLAG_IS_DEFAULT(MarkSweepAlwaysCompactCount)) { |
2160 MarkSweepAlwaysCompactCount = 1; // Move objects every gc. | |
2161 } | |
2162 | |
483
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2163 if (UseParallelOldGC && ParallelOldGCSplitALot) { |
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2164 // Settings to encourage splitting. |
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2165 if (!FLAG_IS_CMDLINE(NewRatio)) { |
8035 | 2166 FLAG_SET_CMDLINE(uintx, NewRatio, 2); |
483
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2167 } |
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2168 if (!FLAG_IS_CMDLINE(ScavengeBeforeFullGC)) { |
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2169 FLAG_SET_CMDLINE(bool, ScavengeBeforeFullGC, false); |
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2170 } |
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2171 } |
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2172 |
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2173 status = status && verify_percentage(GCHeapFreeLimit, "GCHeapFreeLimit"); |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2174 status = status && verify_percentage(GCTimeLimit, "GCTimeLimit"); |
0 | 2175 if (GCTimeLimit == 100) { |
2176 // Turn off gc-overhead-limit-exceeded checks | |
2177 FLAG_SET_DEFAULT(UseGCOverheadLimit, false); | |
2178 } | |
2179 | |
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2180 status = status && check_gc_consistency(); |
1744
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
2181 status = status && check_stack_pages(); |
0 | 2182 |
2183 if (CMSIncrementalMode) { | |
2184 if (!UseConcMarkSweepGC) { | |
2185 jio_fprintf(defaultStream::error_stream(), | |
2186 "error: invalid argument combination.\n" | |
2187 "The CMS collector (-XX:+UseConcMarkSweepGC) must be " | |
2188 "selected in order\nto use CMSIncrementalMode.\n"); | |
2189 status = false; | |
2190 } else { | |
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2191 status = status && verify_percentage(CMSIncrementalDutyCycle, |
0 | 2192 "CMSIncrementalDutyCycle"); |
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2193 status = status && verify_percentage(CMSIncrementalDutyCycleMin, |
0 | 2194 "CMSIncrementalDutyCycleMin"); |
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2195 status = status && verify_percentage(CMSIncrementalSafetyFactor, |
0 | 2196 "CMSIncrementalSafetyFactor"); |
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2197 status = status && verify_percentage(CMSIncrementalOffset, |
0 | 2198 "CMSIncrementalOffset"); |
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2199 status = status && verify_percentage(CMSExpAvgFactor, |
0 | 2200 "CMSExpAvgFactor"); |
2201 // If it was not set on the command line, set | |
2202 // CMSInitiatingOccupancyFraction to 1 so icms can initiate cycles early. | |
2203 if (CMSInitiatingOccupancyFraction < 0) { | |
2204 FLAG_SET_DEFAULT(CMSInitiatingOccupancyFraction, 1); | |
2205 } | |
2206 } | |
2207 } | |
2208 | |
2209 // CMS space iteration, which FLSVerifyAllHeapreferences entails, | |
2210 // insists that we hold the requisite locks so that the iteration is | |
2211 // MT-safe. For the verification at start-up and shut-down, we don't | |
2212 // yet have a good way of acquiring and releasing these locks, | |
2213 // which are not visible at the CollectedHeap level. We want to | |
2214 // be able to acquire these locks and then do the iteration rather | |
2215 // than just disable the lock verification. This will be fixed under | |
2216 // bug 4788986. | |
2217 if (UseConcMarkSweepGC && FLSVerifyAllHeapReferences) { | |
9071
68fe50d4f1d5
8011343: Add new flag for verifying the heap during startup
johnc
parents:
8859
diff
changeset
|
2218 if (VerifyDuringStartup) { |
0 | 2219 warning("Heap verification at start-up disabled " |
2220 "(due to current incompatibility with FLSVerifyAllHeapReferences)"); | |
9071
68fe50d4f1d5
8011343: Add new flag for verifying the heap during startup
johnc
parents:
8859
diff
changeset
|
2221 VerifyDuringStartup = false; // Disable verification at start-up |
0 | 2222 } |
9071
68fe50d4f1d5
8011343: Add new flag for verifying the heap during startup
johnc
parents:
8859
diff
changeset
|
2223 |
0 | 2224 if (VerifyBeforeExit) { |
2225 warning("Heap verification at shutdown disabled " | |
2226 "(due to current incompatibility with FLSVerifyAllHeapReferences)"); | |
2227 VerifyBeforeExit = false; // Disable verification at shutdown | |
2228 } | |
2229 } | |
2230 | |
2231 // Note: only executed in non-PRODUCT mode | |
2232 if (!UseAsyncConcMarkSweepGC && | |
2233 (ExplicitGCInvokesConcurrent || | |
2234 ExplicitGCInvokesConcurrentAndUnloadsClasses)) { | |
2235 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
|
2236 "error: +ExplicitGCInvokesConcurrent[AndUnloadsClasses] conflicts" |
0 | 2237 " with -UseAsyncConcMarkSweepGC"); |
2238 status = false; | |
2239 } | |
2240 | |
2366
1fb790245268
6820066: Check that -XX:ParGCArrayScanChunk has a value larger than zero.
jwilhelm
parents:
2362
diff
changeset
|
2241 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
|
2242 |
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
2243 #if INCLUDE_ALL_GCS |
1283
1c72304f1885
6928073: G1: use existing command line parameters for marking cycle initiation
tonyp
parents:
1257
diff
changeset
|
2244 if (UseG1GC) { |
13060
8f07aa079343
8016309: assert(eden_size > 0 && survivor_size > 0) failed: just checking
jwilhelm
parents:
13059
diff
changeset
|
2245 status = status && verify_percentage(G1NewSizePercent, "G1NewSizePercent"); |
8f07aa079343
8016309: assert(eden_size > 0 && survivor_size > 0) failed: just checking
jwilhelm
parents:
13059
diff
changeset
|
2246 status = status && verify_percentage(G1MaxNewSizePercent, "G1MaxNewSizePercent"); |
8f07aa079343
8016309: assert(eden_size > 0 && survivor_size > 0) failed: just checking
jwilhelm
parents:
13059
diff
changeset
|
2247 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
|
2248 |
1283
1c72304f1885
6928073: G1: use existing command line parameters for marking cycle initiation
tonyp
parents:
1257
diff
changeset
|
2249 status = status && verify_percentage(InitiatingHeapOccupancyPercent, |
1c72304f1885
6928073: G1: use existing command line parameters for marking cycle initiation
tonyp
parents:
1257
diff
changeset
|
2250 "InitiatingHeapOccupancyPercent"); |
2174
234761c55641
6608385: G1: need to support parallel reference processing
johnc
parents:
2129
diff
changeset
|
2251 status = status && verify_min_value(G1RefProcDrainInterval, 1, |
234761c55641
6608385: G1: need to support parallel reference processing
johnc
parents:
2129
diff
changeset
|
2252 "G1RefProcDrainInterval"); |
234761c55641
6608385: G1: need to support parallel reference processing
johnc
parents:
2129
diff
changeset
|
2253 status = status && verify_min_value((intx)G1ConcMarkStepDurationMillis, 1, |
234761c55641
6608385: G1: need to support parallel reference processing
johnc
parents:
2129
diff
changeset
|
2254 "G1ConcMarkStepDurationMillis"); |
10246
194f52aa2f23
7176479: G1: JVM crashes on T5-8 system with 1.5 TB heap
johnc
parents:
10241
diff
changeset
|
2255 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
|
2256 "G1ConcRSHotCardLimit"); |
194f52aa2f23
7176479: G1: JVM crashes on T5-8 system with 1.5 TB heap
johnc
parents:
10241
diff
changeset
|
2257 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
|
2258 "G1ConcRSLogCacheSize"); |
1283
1c72304f1885
6928073: G1: use existing command line parameters for marking cycle initiation
tonyp
parents:
1257
diff
changeset
|
2259 } |
10287
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2260 if (UseConcMarkSweepGC) { |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2261 status = status && verify_min_value(CMSOldPLABNumRefills, 1, "CMSOldPLABNumRefills"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2262 status = status && verify_min_value(CMSOldPLABToleranceFactor, 1, "CMSOldPLABToleranceFactor"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2263 status = status && verify_min_value(CMSOldPLABMax, 1, "CMSOldPLABMax"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2264 status = status && verify_interval(CMSOldPLABMin, 1, CMSOldPLABMax, "CMSOldPLABMin"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2265 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2266 status = status && verify_min_value(CMSYoungGenPerWorker, 1, "CMSYoungGenPerWorker"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2267 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2268 status = status && verify_min_value(CMSSamplingGrain, 1, "CMSSamplingGrain"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2269 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
|
2270 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
|
2271 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2272 status = status && verify_interval(FLSCoalescePolicy, 0, 4, "FLSCoalescePolicy"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2273 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2274 status = status && verify_min_value(CMSRescanMultiple, 1, "CMSRescanMultiple"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2275 status = status && verify_min_value(CMSConcMarkMultiple, 1, "CMSConcMarkMultiple"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2276 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2277 status = status && verify_interval(CMSPrecleanIter, 0, 9, "CMSPrecleanIter"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2278 status = status && verify_min_value(CMSPrecleanDenominator, 1, "CMSPrecleanDenominator"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2279 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
|
2280 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2281 status = status && verify_percentage(CMSBootstrapOccupancy, "CMSBootstrapOccupancy"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2282 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2283 status = status && verify_min_value(CMSPrecleanThreshold, 100, "CMSPrecleanThreshold"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2284 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2285 status = status && verify_percentage(CMSScheduleRemarkEdenPenetration, "CMSScheduleRemarkEdenPenetration"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2286 status = status && verify_min_value(CMSScheduleRemarkSamplingRatio, 1, "CMSScheduleRemarkSamplingRatio"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2287 status = status && verify_min_value(CMSBitMapYieldQuantum, 1, "CMSBitMapYieldQuantum"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2288 status = status && verify_percentage(CMSTriggerRatio, "CMSTriggerRatio"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2289 status = status && verify_percentage(CMSIsTooFullPercentage, "CMSIsTooFullPercentage"); |
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 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2292 if (UseParallelGC || UseParallelOldGC) { |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2293 status = status && verify_interval(ParallelOldDeadWoodLimiterMean, 0, 100, "ParallelOldDeadWoodLimiterMean"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2294 status = status && verify_interval(ParallelOldDeadWoodLimiterStdDev, 0, 100, "ParallelOldDeadWoodLimiterStdDev"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2295 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2296 status = status && verify_percentage(YoungGenerationSizeIncrement, "YoungGenerationSizeIncrement"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2297 status = status && verify_percentage(TenuredGenerationSizeIncrement, "TenuredGenerationSizeIncrement"); |
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(YoungGenerationSizeSupplementDecay, 1, "YoungGenerationSizeSupplementDecay"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2300 status = status && verify_min_value(TenuredGenerationSizeSupplementDecay, 1, "TenuredGenerationSizeSupplementDecay"); |
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_min_value(ParGCCardsPerStrideChunk, 1, "ParGCCardsPerStrideChunk"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2303 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2304 status = status && verify_min_value(ParallelOldGCSplitInterval, 0, "ParallelOldGCSplitInterval"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2305 } |
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
2306 #endif // INCLUDE_ALL_GCS |
1283
1c72304f1885
6928073: G1: use existing command line parameters for marking cycle initiation
tonyp
parents:
1257
diff
changeset
|
2307 |
1244
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2308 status = status && verify_interval(RefDiscoveryPolicy, |
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2309 ReferenceProcessor::DiscoveryPolicyMin, |
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2310 ReferenceProcessor::DiscoveryPolicyMax, |
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2311 "RefDiscoveryPolicy"); |
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2312 |
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2313 // 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
|
2314 // expression. |
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2315 status = status && verify_interval(TLABWasteTargetPercent, |
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2316 1, 100, "TLABWasteTargetPercent"); |
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2317 |
1571
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
2318 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
|
2319 |
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
2320 status = status && verify_interval(CompressedClassSpaceSize, 1*M, 3*G, |
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
2321 "CompressedClassSpaceSize"); |
6736
11fb740ce98f
7196103: NPG: Unable to allocate bit map for parallel garbage collection for the requested heap size
coleenp
parents:
6725
diff
changeset
|
2322 |
7397
442f942757c0
8000244: G1: Ergonomically set MarkStackSize and use virtual space for global marking stack
johnc
parents:
7177
diff
changeset
|
2323 status = status && verify_interval(MarkStackSizeMax, |
442f942757c0
8000244: G1: Ergonomically set MarkStackSize and use virtual space for global marking stack
johnc
parents:
7177
diff
changeset
|
2324 1, (max_jint - 1), "MarkStackSizeMax"); |
10287
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2325 status = status && verify_interval(NUMAChunkResizeWeight, 0, 100, "NUMAChunkResizeWeight"); |
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(LogEventsBufferEntries, 1, "LogEventsBufferEntries"); |
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(HeapSizePerGCThread, (uintx) os::vm_page_size(), "HeapSizePerGCThread"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2330 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2331 status = status && verify_min_value(GCTaskTimeStampEntries, 1, "GCTaskTimeStampEntries"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2332 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2333 status = status && verify_percentage(ParallelGCBufferWastePct, "ParallelGCBufferWastePct"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2334 status = status && verify_interval(TargetPLABWastePct, 1, 100, "TargetPLABWastePct"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2335 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2336 status = status && verify_min_value(ParGCStridesPerThread, 1, "ParGCStridesPerThread"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2337 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2338 status = status && verify_min_value(MinRAMFraction, 1, "MinRAMFraction"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2339 status = status && verify_min_value(InitialRAMFraction, 1, "InitialRAMFraction"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2340 status = status && verify_min_value(MaxRAMFraction, 1, "MaxRAMFraction"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2341 status = status && verify_min_value(DefaultMaxRAMFraction, 1, "DefaultMaxRAMFraction"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2342 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2343 status = status && verify_interval(AdaptiveTimeWeight, 0, 100, "AdaptiveTimeWeight"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2344 status = status && verify_min_value(AdaptiveSizeDecrementScaleFactor, 1, "AdaptiveSizeDecrementScaleFactor"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2345 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2346 status = status && verify_interval(TLABAllocationWeight, 0, 100, "TLABAllocationWeight"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2347 status = status && verify_min_value(MinTLABSize, 1, "MinTLABSize"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2348 status = status && verify_min_value(TLABRefillWasteFraction, 1, "TLABRefillWasteFraction"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2349 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2350 status = status && verify_percentage(YoungGenerationSizeSupplement, "YoungGenerationSizeSupplement"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2351 status = status && verify_percentage(TenuredGenerationSizeSupplement, "TenuredGenerationSizeSupplement"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2352 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2353 // 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
|
2354 // just for that, so hardcode here. |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2355 status = status && verify_interval(MaxTenuringThreshold, 0, 15, "MaxTenuringThreshold"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2356 status = status && verify_interval(InitialTenuringThreshold, 0, MaxTenuringThreshold, "MaxTenuringThreshold"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2357 status = status && verify_percentage(TargetSurvivorRatio, "TargetSurvivorRatio"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2358 status = status && verify_percentage(MarkSweepDeadRatio, "MarkSweepDeadRatio"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2359 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2360 status = status && verify_min_value(MarkSweepAlwaysCompactCount, 1, "MarkSweepAlwaysCompactCount"); |
6755
bc675e55b48c
7193946: Move warnings associated with UseMemSetInBOT flag
johnc
parents:
6736
diff
changeset
|
2361 |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2362 if (PrintNMTStatistics) { |
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2363 #if INCLUDE_NMT |
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2364 if (MemTracker::tracking_level() == MemTracker::NMT_off) { |
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2365 #endif // INCLUDE_NMT |
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2366 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
|
2367 PrintNMTStatistics = false; |
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2368 #if INCLUDE_NMT |
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2369 } |
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2370 #endif |
6770
9a86ddfc6c8f
7188594: Print statistic collected by NMT with VM flag
zgu
parents:
6736
diff
changeset
|
2371 } |
4559
723df37192d6
Make it possible again to build a real client libjvm, drop the UseGraal flag.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
4350
diff
changeset
|
2372 #ifdef GRAAL |
10409 | 2373 if (UseG1GC) { |
2374 if (IgnoreUnrecognizedVMOptions) { | |
2375 FLAG_SET_CMDLINE(bool, UseG1GC, true); | |
2376 } else { | |
2377 status = true; | |
2378 } | |
10864
6457dc4227e3
Add compressed klass pointers in gate
Christos Kotselidis <christos.kotselidis@oracle.com>
parents:
10739
diff
changeset
|
2379 } else { |
10409 | 2380 // This prevents the flag being set to true by set_ergonomics_flags() |
2381 FLAG_SET_CMDLINE(bool, UseG1GC, false); | |
10864
6457dc4227e3
Add compressed klass pointers in gate
Christos Kotselidis <christos.kotselidis@oracle.com>
parents:
10739
diff
changeset
|
2382 } |
10409 | 2383 |
2384 if (!ScavengeRootsInCode) { | |
2385 warning("forcing ScavengeRootsInCode non-zero because Graal is enabled"); | |
2386 ScavengeRootsInCode = 1; | |
2387 } | |
13280
fbcdae53b17e
force TypeProfileLevel to 0 in GRAAL until HotSpotMethodData is updated to be aware of the new profiling tags
Doug Simon <doug.simon@oracle.com>
parents:
13086
diff
changeset
|
2388 if (TypeProfileLevel != 0) { |
fbcdae53b17e
force TypeProfileLevel to 0 in GRAAL until HotSpotMethodData is updated to be aware of the new profiling tags
Doug Simon <doug.simon@oracle.com>
parents:
13086
diff
changeset
|
2389 warning("forcing TypeProfileLevel to 0 as HotSpotMethodData can not yet handle the new type profile info"); |
fbcdae53b17e
force TypeProfileLevel to 0 in GRAAL until HotSpotMethodData is updated to be aware of the new profiling tags
Doug Simon <doug.simon@oracle.com>
parents:
13086
diff
changeset
|
2390 TypeProfileLevel = 0; |
fbcdae53b17e
force TypeProfileLevel to 0 in GRAAL until HotSpotMethodData is updated to be aware of the new profiling tags
Doug Simon <doug.simon@oracle.com>
parents:
13086
diff
changeset
|
2391 } |
10409 | 2392 #endif |
6770
9a86ddfc6c8f
7188594: Print statistic collected by NMT with VM flag
zgu
parents:
6736
diff
changeset
|
2393 |
10260
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2394 // Need to limit the extent of the padding to reasonable size. |
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2395 // 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
|
2396 // aggressive prefetching, while still leaving the room for segregating |
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2397 // among the distinct pages. |
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2398 if (ContendedPaddingWidth < 0 || ContendedPaddingWidth > 8192) { |
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2399 jio_fprintf(defaultStream::error_stream(), |
12129 | 2400 "ContendedPaddingWidth=" INTX_FORMAT " must be in between %d and %d\n", |
10260
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2401 ContendedPaddingWidth, 0, 8192); |
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2402 status = false; |
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2403 } |
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2404 |
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2405 // Need to enforce the padding not to break the existing field alignments. |
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2406 // It is sufficient to check against the largest type size. |
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2407 if ((ContendedPaddingWidth % BytesPerLong) != 0) { |
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2408 jio_fprintf(defaultStream::error_stream(), |
12129 | 2409 "ContendedPaddingWidth=" INTX_FORMAT " must be a multiple of %d\n", |
10260
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2410 ContendedPaddingWidth, BytesPerLong); |
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2411 status = false; |
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2412 } |
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2413 |
11079
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2414 // 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
|
2415 // 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
|
2416 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
|
2417 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
|
2418 jio_fprintf(defaultStream::error_stream(), |
11079
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2419 "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
|
2420 os::vm_page_size()/K); |
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2421 status = false; |
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2422 } else if (ReservedCodeCacheSize < InitialCodeCacheSize) { |
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2423 jio_fprintf(defaultStream::error_stream(), |
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2424 "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
|
2425 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
|
2426 status = false; |
11079
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2427 } 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
|
2428 jio_fprintf(defaultStream::error_stream(), |
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2429 "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
|
2430 min_code_cache_size/K); |
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2431 status = false; |
11109
7ac80525ece9
8015635: Crash when specifying very large code cache size
anoll
parents:
11083
diff
changeset
|
2432 } else if (ReservedCodeCacheSize > 2*G) { |
7ac80525ece9
8015635: Crash when specifying very large code cache size
anoll
parents:
11083
diff
changeset
|
2433 // Code cache size larger than MAXINT is not supported. |
7ac80525ece9
8015635: Crash when specifying very large code cache size
anoll
parents:
11083
diff
changeset
|
2434 jio_fprintf(defaultStream::error_stream(), |
7ac80525ece9
8015635: Crash when specifying very large code cache size
anoll
parents:
11083
diff
changeset
|
2435 "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
|
2436 (2*G)/M); |
7ac80525ece9
8015635: Crash when specifying very large code cache size
anoll
parents:
11083
diff
changeset
|
2437 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
|
2438 } |
12324
510fbd28919c
8020151: PSR:PERF Large performance regressions when code cache is filled
anoll
parents:
12322
diff
changeset
|
2439 |
510fbd28919c
8020151: PSR:PERF Large performance regressions when code cache is filled
anoll
parents:
12322
diff
changeset
|
2440 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
|
2441 status &= verify_interval(NmethodSweepActivity, 0, 2000, "NmethodSweepActivity"); |
14687
480b0109db65
8029799: vm/mlvm/anonloader/stress/oome prints warning: CodeHeap: # of free blocks > 10000
anoll
parents:
14672
diff
changeset
|
2442 status &= verify_interval(CodeCacheMinBlockLength, 1, 100, "CodeCacheMinBlockLength"); |
480b0109db65
8029799: vm/mlvm/anonloader/stress/oome prints warning: CodeHeap: # of free blocks > 10000
anoll
parents:
14672
diff
changeset
|
2443 status &= verify_interval(CodeCacheSegmentSize, 1, 1024, "CodeCacheSegmentSize"); |
12324
510fbd28919c
8020151: PSR:PERF Large performance regressions when code cache is filled
anoll
parents:
12322
diff
changeset
|
2444 |
14497
9a83b7b3e37c
8034775: Failing to initialize VM when running with negative value for -XX:CICompilerCount
anoll
parents:
14460
diff
changeset
|
2445 // TieredCompilation needs at least 2 compiler threads. |
14704 | 2446 const int num_min_compiler_threads = (TieredCompilation && (TieredStopAtLevel >= CompLevel_full_optimization)) ? NOT_GRAAL(2) GRAAL_ONLY(1) : 1; |
14497
9a83b7b3e37c
8034775: Failing to initialize VM when running with negative value for -XX:CICompilerCount
anoll
parents:
14460
diff
changeset
|
2447 status &=verify_min_value(CICompilerCount, num_min_compiler_threads, "CICompilerCount"); |
9a83b7b3e37c
8034775: Failing to initialize VM when running with negative value for -XX:CICompilerCount
anoll
parents:
14460
diff
changeset
|
2448 |
0 | 2449 return status; |
2450 } | |
2451 | |
2452 bool Arguments::is_bad_option(const JavaVMOption* option, jboolean ignore, | |
2453 const char* option_type) { | |
2454 if (ignore) return false; | |
2455 | |
2456 const char* spacer = " "; | |
2457 if (option_type == NULL) { | |
2458 option_type = ++spacer; // Set both to the empty string. | |
2459 } | |
2460 | |
2461 if (os::obsolete_option(option)) { | |
2462 jio_fprintf(defaultStream::error_stream(), | |
2463 "Obsolete %s%soption: %s\n", option_type, spacer, | |
2464 option->optionString); | |
2465 return false; | |
2466 } else { | |
2467 jio_fprintf(defaultStream::error_stream(), | |
2468 "Unrecognized %s%soption: %s\n", option_type, spacer, | |
2469 option->optionString); | |
2470 return true; | |
2471 } | |
2472 } | |
2473 | |
2474 static const char* user_assertion_options[] = { | |
2475 "-da", "-ea", "-disableassertions", "-enableassertions", 0 | |
2476 }; | |
2477 | |
2478 static const char* system_assertion_options[] = { | |
2479 "-dsa", "-esa", "-disablesystemassertions", "-enablesystemassertions", 0 | |
2480 }; | |
2481 | |
2482 // Return true if any of the strings in null-terminated array 'names' matches. | |
2483 // If tail_allowed is true, then the tail must begin with a colon; otherwise, | |
2484 // the option must match exactly. | |
2485 static bool match_option(const JavaVMOption* option, const char** names, const char** tail, | |
2486 bool tail_allowed) { | |
2487 for (/* empty */; *names != NULL; ++names) { | |
2488 if (match_option(option, *names, tail)) { | |
2489 if (**tail == '\0' || tail_allowed && **tail == ':') { | |
2490 return true; | |
2491 } | |
2492 } | |
2493 } | |
2494 return false; | |
2495 } | |
2496 | |
1284 | 2497 bool Arguments::parse_uintx(const char* value, |
2498 uintx* uintx_arg, | |
2499 uintx min_size) { | |
2500 | |
2501 // Check the sign first since atomull() parses only unsigned values. | |
2502 bool value_is_positive = !(*value == '-'); | |
2503 | |
2504 if (value_is_positive) { | |
2505 julong n; | |
2506 bool good_return = atomull(value, &n); | |
2507 if (good_return) { | |
2508 bool above_minimum = n >= min_size; | |
2509 bool value_is_too_large = n > max_uintx; | |
2510 | |
2511 if (above_minimum && !value_is_too_large) { | |
2512 *uintx_arg = n; | |
2513 return true; | |
2514 } | |
2515 } | |
2516 } | |
2517 return false; | |
2518 } | |
2519 | |
0 | 2520 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
|
2521 julong* long_arg, |
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
2522 julong min_size) { |
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
2523 if (!atomull(s, long_arg)) return arg_unreadable; |
0 | 2524 return check_memory_size(*long_arg, min_size); |
2525 } | |
2526 | |
2527 // Parse JavaVMInitArgs structure | |
2528 | |
2529 jint Arguments::parse_vm_init_args(const JavaVMInitArgs* args) { | |
2530 // For components of the system classpath. | |
2531 SysClassPath scp(Arguments::get_sysclasspath()); | |
2532 bool scp_assembly_required = false; | |
2533 | |
2534 // Save default settings for some mode flags | |
2535 Arguments::_AlwaysCompileLoopMethods = AlwaysCompileLoopMethods; | |
2536 Arguments::_UseOnStackReplacement = UseOnStackReplacement; | |
2537 Arguments::_ClipInlining = ClipInlining; | |
2538 Arguments::_BackgroundCompilation = BackgroundCompilation; | |
2539 | |
3341
e9b8ef09622a
7041582: set_mode_flags isn't called without -Xmixed specified
never
parents:
3261
diff
changeset
|
2540 // Setup flags for mixed which is the default |
e9b8ef09622a
7041582: set_mode_flags isn't called without -Xmixed specified
never
parents:
3261
diff
changeset
|
2541 set_mode_flags(_mixed); |
e9b8ef09622a
7041582: set_mode_flags isn't called without -Xmixed specified
never
parents:
3261
diff
changeset
|
2542 |
0 | 2543 // Parse JAVA_TOOL_OPTIONS environment variable (if present) |
2544 jint result = parse_java_tool_options_environment_variable(&scp, &scp_assembly_required); | |
2545 if (result != JNI_OK) { | |
2546 return result; | |
2547 } | |
2548 | |
2549 // Parse JavaVMInitArgs structure passed in | |
12322
72b7e96c1922
8024545: make develop and notproduct flag values available in product builds
twisti
parents:
12269
diff
changeset
|
2550 result = parse_each_vm_init_arg(args, &scp, &scp_assembly_required, Flag::COMMAND_LINE); |
0 | 2551 if (result != JNI_OK) { |
2552 return result; | |
2553 } | |
2554 | |
2555 // Parse _JAVA_OPTIONS environment variable (if present) (mimics classic VM) | |
2556 result = parse_java_options_environment_variable(&scp, &scp_assembly_required); | |
2557 if (result != JNI_OK) { | |
2558 return result; | |
2559 } | |
2560 | |
2561 // Do final processing now that all arguments have been parsed | |
2562 result = finalize_vm_init_args(&scp, scp_assembly_required); | |
2563 if (result != JNI_OK) { | |
2564 return result; | |
2565 } | |
2566 | |
2567 return JNI_OK; | |
2568 } | |
2569 | |
10170
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2570 // Checks if name in command-line argument -agent{lib,path}:name[=options] |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2571 // represents a valid HPROF of JDWP agent. is_path==true denotes that we |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2572 // are dealing with -agentpath (case where name is a path), otherwise with |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2573 // -agentlib |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2574 bool valid_hprof_or_jdwp_agent(char *name, bool is_path) { |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2575 char *_name; |
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8010428: Special -agentpath checks needed with minimal VM to produce proper error message
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diff
changeset
|
2576 const char *_hprof = "hprof", *_jdwp = "jdwp"; |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
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parents:
9077
diff
changeset
|
2577 size_t _len_hprof, _len_jdwp, _len_prefix; |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
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parents:
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diff
changeset
|
2578 |
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8010428: Special -agentpath checks needed with minimal VM to produce proper error message
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parents:
9077
diff
changeset
|
2579 if (is_path) { |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2580 if ((_name = strrchr(name, (int) *os::file_separator())) == NULL) { |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2581 return false; |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2582 } |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2583 |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2584 _name++; // skip past last path separator |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
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diff
changeset
|
2585 _len_prefix = strlen(JNI_LIB_PREFIX); |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
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parents:
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diff
changeset
|
2586 |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
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9077
diff
changeset
|
2587 if (strncmp(_name, JNI_LIB_PREFIX, _len_prefix) != 0) { |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
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parents:
9077
diff
changeset
|
2588 return false; |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
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parents:
9077
diff
changeset
|
2589 } |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
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parents:
9077
diff
changeset
|
2590 |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
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parents:
9077
diff
changeset
|
2591 _name += _len_prefix; |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
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diff
changeset
|
2592 _len_hprof = strlen(_hprof); |
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8010428: Special -agentpath checks needed with minimal VM to produce proper error message
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parents:
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diff
changeset
|
2593 _len_jdwp = strlen(_jdwp); |
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8010428: Special -agentpath checks needed with minimal VM to produce proper error message
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parents:
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diff
changeset
|
2594 |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
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parents:
9077
diff
changeset
|
2595 if (strncmp(_name, _hprof, _len_hprof) == 0) { |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2596 _name += _len_hprof; |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
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parents:
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diff
changeset
|
2597 } |
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8010428: Special -agentpath checks needed with minimal VM to produce proper error message
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diff
changeset
|
2598 else if (strncmp(_name, _jdwp, _len_jdwp) == 0) { |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
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parents:
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diff
changeset
|
2599 _name += _len_jdwp; |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2600 } |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2601 else { |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2602 return false; |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
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parents:
9077
diff
changeset
|
2603 } |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
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parents:
9077
diff
changeset
|
2604 |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
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parents:
9077
diff
changeset
|
2605 if (strcmp(_name, JNI_LIB_SUFFIX) != 0) { |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2606 return false; |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2607 } |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2608 |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2609 return true; |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2610 } |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2611 |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2612 if (strcmp(name, _hprof) == 0 || strcmp(name, _jdwp) == 0) { |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2613 return true; |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2614 } |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2615 |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2616 return false; |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2617 } |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2618 |
0 | 2619 jint Arguments::parse_each_vm_init_arg(const JavaVMInitArgs* args, |
2620 SysClassPath* scp_p, | |
2621 bool* scp_assembly_required_p, | |
12322
72b7e96c1922
8024545: make develop and notproduct flag values available in product builds
twisti
parents:
12269
diff
changeset
|
2622 Flag::Flags origin) { |
0 | 2623 // Remaining part of option string |
2624 const char* tail; | |
2625 | |
2626 // iterate over arguments | |
2627 for (int index = 0; index < args->nOptions; index++) { | |
2628 bool is_absolute_path = false; // for -agentpath vs -agentlib | |
2629 | |
2630 const JavaVMOption* option = args->options + index; | |
2631 | |
2632 if (!match_option(option, "-Djava.class.path", &tail) && | |
2633 !match_option(option, "-Dsun.java.command", &tail) && | |
2634 !match_option(option, "-Dsun.java.launcher", &tail)) { | |
2635 | |
2636 // add all jvm options to the jvm_args string. This string | |
2637 // is used later to set the java.vm.args PerfData string constant. | |
2638 // the -Djava.class.path and the -Dsun.java.command options are | |
2639 // omitted from jvm_args string as each have their own PerfData | |
2640 // string constant object. | |
2641 build_jvm_args(option->optionString); | |
2642 } | |
2643 | |
2644 // -verbose:[class/gc/jni] | |
2645 if (match_option(option, "-verbose", &tail)) { | |
2646 if (!strcmp(tail, ":class") || !strcmp(tail, "")) { | |
2647 FLAG_SET_CMDLINE(bool, TraceClassLoading, true); | |
2648 FLAG_SET_CMDLINE(bool, TraceClassUnloading, true); | |
2649 } else if (!strcmp(tail, ":gc")) { | |
2650 FLAG_SET_CMDLINE(bool, PrintGC, true); | |
2651 } else if (!strcmp(tail, ":jni")) { | |
2652 FLAG_SET_CMDLINE(bool, PrintJNIResolving, true); | |
2653 } | |
2654 // -da / -ea / -disableassertions / -enableassertions | |
2655 // These accept an optional class/package name separated by a colon, e.g., | |
2656 // -da:java.lang.Thread. | |
2657 } else if (match_option(option, user_assertion_options, &tail, true)) { | |
2658 bool enable = option->optionString[1] == 'e'; // char after '-' is 'e' | |
2659 if (*tail == '\0') { | |
2660 JavaAssertions::setUserClassDefault(enable); | |
2661 } else { | |
2662 assert(*tail == ':', "bogus match by match_option()"); | |
2663 JavaAssertions::addOption(tail + 1, enable); | |
2664 } | |
2665 // -dsa / -esa / -disablesystemassertions / -enablesystemassertions | |
2666 } else if (match_option(option, system_assertion_options, &tail, false)) { | |
2667 bool enable = option->optionString[1] == 'e'; // char after '-' is 'e' | |
2668 JavaAssertions::setSystemClassDefault(enable); | |
2669 // -bootclasspath: | |
2670 } else if (match_option(option, "-Xbootclasspath:", &tail)) { | |
2671 scp_p->reset_path(tail); | |
2672 *scp_assembly_required_p = true; | |
2673 // -bootclasspath/a: | |
2674 } else if (match_option(option, "-Xbootclasspath/a:", &tail)) { | |
2675 scp_p->add_suffix(tail); | |
2676 *scp_assembly_required_p = true; | |
2677 // -bootclasspath/p: | |
2678 } else if (match_option(option, "-Xbootclasspath/p:", &tail)) { | |
2679 scp_p->add_prefix(tail); | |
2680 *scp_assembly_required_p = true; | |
2681 // -Xrun | |
2682 } else if (match_option(option, "-Xrun", &tail)) { | |
531
40ee984935b9
6792705: Add JAR file to bootclasspath when using AggressiveOpts
phh
parents:
513
diff
changeset
|
2683 if (tail != NULL) { |
0 | 2684 const char* pos = strchr(tail, ':'); |
2685 size_t len = (pos == NULL) ? strlen(tail) : pos - tail; | |
6197 | 2686 char* name = (char*)memcpy(NEW_C_HEAP_ARRAY(char, len + 1, mtInternal), tail, len); |
0 | 2687 name[len] = '\0'; |
2688 | |
2689 char *options = NULL; | |
2690 if(pos != NULL) { | |
2691 size_t len2 = strlen(pos+1) + 1; // options start after ':'. Final zero must be copied. | |
6197 | 2692 options = (char*)memcpy(NEW_C_HEAP_ARRAY(char, len2, mtInternal), pos+1, len2); |
0 | 2693 } |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2694 #if !INCLUDE_JVMTI |
0 | 2695 if ((strcmp(name, "hprof") == 0) || (strcmp(name, "jdwp") == 0)) { |
8720
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
2696 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
|
2697 "Profiling and debugging agents 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
|
2698 return JNI_ERR; |
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
2699 } |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2700 #endif // !INCLUDE_JVMTI |
12739
b699233403ad
Delegate hprof enabled information from hotspot to graal
Christos Kotselidis <christos.kotselidis@oracle.com>
parents:
12490
diff
changeset
|
2701 #if defined(GRAAL) |
b699233403ad
Delegate hprof enabled information from hotspot to graal
Christos Kotselidis <christos.kotselidis@oracle.com>
parents:
12490
diff
changeset
|
2702 if (strcmp(name, "hprof") == 0) { |
b699233403ad
Delegate hprof enabled information from hotspot to graal
Christos Kotselidis <christos.kotselidis@oracle.com>
parents:
12490
diff
changeset
|
2703 FLAG_SET_CMDLINE(bool, GraalHProfEnabled, true); |
b699233403ad
Delegate hprof enabled information from hotspot to graal
Christos Kotselidis <christos.kotselidis@oracle.com>
parents:
12490
diff
changeset
|
2704 } |
b699233403ad
Delegate hprof enabled information from hotspot to graal
Christos Kotselidis <christos.kotselidis@oracle.com>
parents:
12490
diff
changeset
|
2705 #endif |
8720
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
2706 add_init_library(name, options); |
0 | 2707 } |
2708 // -agentlib and -agentpath | |
2709 } else if (match_option(option, "-agentlib:", &tail) || | |
2710 (is_absolute_path = match_option(option, "-agentpath:", &tail))) { | |
2711 if(tail != NULL) { | |
2712 const char* pos = strchr(tail, '='); | |
2713 size_t len = (pos == NULL) ? strlen(tail) : pos - tail; | |
6197 | 2714 char* name = strncpy(NEW_C_HEAP_ARRAY(char, len + 1, mtInternal), tail, len); |
0 | 2715 name[len] = '\0'; |
2716 | |
2717 char *options = NULL; | |
2718 if(pos != NULL) { | |
6197 | 2719 options = strcpy(NEW_C_HEAP_ARRAY(char, strlen(pos + 1) + 1, mtInternal), pos + 1); |
0 | 2720 } |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2721 #if !INCLUDE_JVMTI |
10170
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
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|
2722 if (valid_hprof_or_jdwp_agent(name, is_absolute_path)) { |
8720
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
2723 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
|
2724 "Profiling and debugging agents 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
|
2725 return JNI_ERR; |
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
2726 } |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2727 #endif // !INCLUDE_JVMTI |
12739
b699233403ad
Delegate hprof enabled information from hotspot to graal
Christos Kotselidis <christos.kotselidis@oracle.com>
parents:
12490
diff
changeset
|
2728 #if defined(GRAAL) |
b699233403ad
Delegate hprof enabled information from hotspot to graal
Christos Kotselidis <christos.kotselidis@oracle.com>
parents:
12490
diff
changeset
|
2729 if (valid_hprof_or_jdwp_agent(name, is_absolute_path)) { |
b699233403ad
Delegate hprof enabled information from hotspot to graal
Christos Kotselidis <christos.kotselidis@oracle.com>
parents:
12490
diff
changeset
|
2730 FLAG_SET_CMDLINE(bool, GraalHProfEnabled, true); |
b699233403ad
Delegate hprof enabled information from hotspot to graal
Christos Kotselidis <christos.kotselidis@oracle.com>
parents:
12490
diff
changeset
|
2731 } |
b699233403ad
Delegate hprof enabled information from hotspot to graal
Christos Kotselidis <christos.kotselidis@oracle.com>
parents:
12490
diff
changeset
|
2732 #endif |
b699233403ad
Delegate hprof enabled information from hotspot to graal
Christos Kotselidis <christos.kotselidis@oracle.com>
parents:
12490
diff
changeset
|
2733 |
0 | 2734 add_init_agent(name, options, is_absolute_path); |
2735 } | |
2736 // -javaagent | |
2737 } else if (match_option(option, "-javaagent:", &tail)) { | |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2738 #if !INCLUDE_JVMTI |
8720
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
2739 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
|
2740 "Instrumentation agents 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
|
2741 return JNI_ERR; |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2742 #else |
0 | 2743 if(tail != NULL) { |
6197 | 2744 char *options = strcpy(NEW_C_HEAP_ARRAY(char, strlen(tail) + 1, mtInternal), tail); |
0 | 2745 add_init_agent("instrument", options, false); |
2746 } | |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2747 #endif // !INCLUDE_JVMTI |
0 | 2748 // -Xnoclassgc |
2749 } else if (match_option(option, "-Xnoclassgc", &tail)) { | |
2750 FLAG_SET_CMDLINE(bool, ClassUnloading, false); | |
2751 // -Xincgc: i-CMS | |
2752 } else if (match_option(option, "-Xincgc", &tail)) { | |
2753 FLAG_SET_CMDLINE(bool, UseConcMarkSweepGC, true); | |
2754 FLAG_SET_CMDLINE(bool, CMSIncrementalMode, true); | |
2755 // -Xnoincgc: no i-CMS | |
2756 } else if (match_option(option, "-Xnoincgc", &tail)) { | |
2757 FLAG_SET_CMDLINE(bool, UseConcMarkSweepGC, false); | |
2758 FLAG_SET_CMDLINE(bool, CMSIncrementalMode, false); | |
2759 // -Xconcgc | |
2760 } else if (match_option(option, "-Xconcgc", &tail)) { | |
2761 FLAG_SET_CMDLINE(bool, UseConcMarkSweepGC, true); | |
2762 // -Xnoconcgc | |
2763 } else if (match_option(option, "-Xnoconcgc", &tail)) { | |
2764 FLAG_SET_CMDLINE(bool, UseConcMarkSweepGC, false); | |
2765 // -Xbatch | |
2766 } else if (match_option(option, "-Xbatch", &tail)) { | |
2767 FLAG_SET_CMDLINE(bool, BackgroundCompilation, false); | |
2768 // -Xmn for compatibility with other JVM vendors | |
2769 } else if (match_option(option, "-Xmn", &tail)) { | |
12831 | 2770 julong long_initial_young_size = 0; |
2771 ArgsRange errcode = parse_memory_size(tail, &long_initial_young_size, 1); | |
0 | 2772 if (errcode != arg_in_range) { |
2773 jio_fprintf(defaultStream::error_stream(), | |
12831 | 2774 "Invalid initial young generation size: %s\n", option->optionString); |
0 | 2775 describe_range_error(errcode); |
2776 return JNI_EINVAL; | |
2777 } | |
12831 | 2778 FLAG_SET_CMDLINE(uintx, MaxNewSize, (uintx)long_initial_young_size); |
2779 FLAG_SET_CMDLINE(uintx, NewSize, (uintx)long_initial_young_size); | |
0 | 2780 // -Xms |
2781 } else if (match_option(option, "-Xms", &tail)) { | |
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
2782 julong long_initial_heap_size = 0; |
10241
d17700c82d7d
8006088: Incompatible heap size flags accepted by VM
tschatzl
parents:
10240
diff
changeset
|
2783 // an initial heap size of 0 means automatically determine |
d17700c82d7d
8006088: Incompatible heap size flags accepted by VM
tschatzl
parents:
10240
diff
changeset
|
2784 ArgsRange errcode = parse_memory_size(tail, &long_initial_heap_size, 0); |
0 | 2785 if (errcode != arg_in_range) { |
2786 jio_fprintf(defaultStream::error_stream(), | |
2787 "Invalid initial heap size: %s\n", option->optionString); | |
2788 describe_range_error(errcode); | |
2789 return JNI_EINVAL; | |
2790 } | |
13059
46d7652b223c
8026853: Prepare GC code for collector policy regression fix
jwilhelm
parents:
13008
diff
changeset
|
2791 set_min_heap_size((uintx)long_initial_heap_size); |
0 | 2792 // Currently the minimum size and the initial heap sizes are the same. |
13059
46d7652b223c
8026853: Prepare GC code for collector policy regression fix
jwilhelm
parents:
13008
diff
changeset
|
2793 // Can be overridden with -XX:InitialHeapSize. |
46d7652b223c
8026853: Prepare GC code for collector policy regression fix
jwilhelm
parents:
13008
diff
changeset
|
2794 FLAG_SET_CMDLINE(uintx, InitialHeapSize, (uintx)long_initial_heap_size); |
0 | 2795 // -Xmx |
10241
d17700c82d7d
8006088: Incompatible heap size flags accepted by VM
tschatzl
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10240
diff
changeset
|
2796 } 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
|
2797 julong long_max_heap_size = 0; |
0 | 2798 ArgsRange errcode = parse_memory_size(tail, &long_max_heap_size, 1); |
2799 if (errcode != arg_in_range) { | |
2800 jio_fprintf(defaultStream::error_stream(), | |
2801 "Invalid maximum heap size: %s\n", option->optionString); | |
2802 describe_range_error(errcode); | |
2803 return JNI_EINVAL; | |
2804 } | |
1064 | 2805 FLAG_SET_CMDLINE(uintx, MaxHeapSize, (uintx)long_max_heap_size); |
0 | 2806 // Xmaxf |
2807 } else if (match_option(option, "-Xmaxf", &tail)) { | |
12896
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8025661: Ill-formed -Xminf and -Xmaxf options values interpreted as 0
sjohanss
parents:
12840
diff
changeset
|
2808 char* err; |
027006a47a6d
8025661: Ill-formed -Xminf and -Xmaxf options values interpreted as 0
sjohanss
parents:
12840
diff
changeset
|
2809 int maxf = (int)(strtod(tail, &err) * 100); |
14313
44315152d434
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14309
diff
changeset
|
2810 if (*err != '\0' || *tail == '\0' || maxf < 0 || maxf > 100) { |
0 | 2811 jio_fprintf(defaultStream::error_stream(), |
2812 "Bad max heap free percentage size: %s\n", | |
2813 option->optionString); | |
2814 return JNI_EINVAL; | |
2815 } else { | |
2816 FLAG_SET_CMDLINE(uintx, MaxHeapFreeRatio, maxf); | |
2817 } | |
2818 // Xminf | |
2819 } 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
|
2820 char* err; |
027006a47a6d
8025661: Ill-formed -Xminf and -Xmaxf options values interpreted as 0
sjohanss
parents:
12840
diff
changeset
|
2821 int minf = (int)(strtod(tail, &err) * 100); |
14313
44315152d434
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14309
diff
changeset
|
2822 if (*err != '\0' || *tail == '\0' || minf < 0 || minf > 100) { |
0 | 2823 jio_fprintf(defaultStream::error_stream(), |
2824 "Bad min heap free percentage size: %s\n", | |
2825 option->optionString); | |
2826 return JNI_EINVAL; | |
2827 } else { | |
2828 FLAG_SET_CMDLINE(uintx, MinHeapFreeRatio, minf); | |
2829 } | |
2830 // -Xss | |
2831 } else if (match_option(option, "-Xss", &tail)) { | |
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
2832 julong long_ThreadStackSize = 0; |
0 | 2833 ArgsRange errcode = parse_memory_size(tail, &long_ThreadStackSize, 1000); |
2834 if (errcode != arg_in_range) { | |
2835 jio_fprintf(defaultStream::error_stream(), | |
2836 "Invalid thread stack size: %s\n", option->optionString); | |
2837 describe_range_error(errcode); | |
2838 return JNI_EINVAL; | |
2839 } | |
2840 // Internally track ThreadStackSize in units of 1024 bytes. | |
2841 FLAG_SET_CMDLINE(intx, ThreadStackSize, | |
2842 round_to((int)long_ThreadStackSize, K) / K); | |
2843 // -Xoss | |
2844 } else if (match_option(option, "-Xoss", &tail)) { | |
2845 // 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
|
2846 } 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
|
2847 julong long_CodeCacheExpansionSize = 0; |
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2848 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
|
2849 if (errcode != arg_in_range) { |
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2850 jio_fprintf(defaultStream::error_stream(), |
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2851 "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
|
2852 os::vm_page_size()/K); |
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2853 return JNI_EINVAL; |
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2854 } |
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2855 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
|
2856 } 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
|
2857 match_option(option, "-XX:ReservedCodeCacheSize=", &tail)) { |
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
2858 julong long_ReservedCodeCacheSize = 0; |
11079
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2859 |
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
|
2860 ArgsRange errcode = parse_memory_size(tail, &long_ReservedCodeCacheSize, 1); |
0 | 2861 if (errcode != arg_in_range) { |
2862 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
|
2863 "Invalid maximum code cache size: %s.\n", option->optionString); |
0 | 2864 return JNI_EINVAL; |
2865 } | |
2866 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
|
2867 //-XX:IncreaseFirstTierCompileThresholdAt= |
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
parents:
10294
diff
changeset
|
2868 } 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
|
2869 uintx uint_IncreaseFirstTierCompileThresholdAt = 0; |
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
parents:
10294
diff
changeset
|
2870 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
|
2871 jio_fprintf(defaultStream::error_stream(), |
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
parents:
10294
diff
changeset
|
2872 "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
|
2873 option->optionString); |
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
parents:
10294
diff
changeset
|
2874 return JNI_EINVAL; |
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
parents:
10294
diff
changeset
|
2875 } |
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
parents:
10294
diff
changeset
|
2876 FLAG_SET_CMDLINE(uintx, IncreaseFirstTierCompileThresholdAt, (uintx)uint_IncreaseFirstTierCompileThresholdAt); |
0 | 2877 // -green |
2878 } else if (match_option(option, "-green", &tail)) { | |
2879 jio_fprintf(defaultStream::error_stream(), | |
2880 "Green threads support not available\n"); | |
2881 return JNI_EINVAL; | |
2882 // -native | |
2883 } else if (match_option(option, "-native", &tail)) { | |
2884 // HotSpot always uses native threads, ignore silently for compatibility | |
2885 // -Xsqnopause | |
2886 } else if (match_option(option, "-Xsqnopause", &tail)) { | |
2887 // EVM option, ignore silently for compatibility | |
2888 // -Xrs | |
2889 } else if (match_option(option, "-Xrs", &tail)) { | |
2890 // Classic/EVM option, new functionality | |
2891 FLAG_SET_CMDLINE(bool, ReduceSignalUsage, true); | |
2892 } else if (match_option(option, "-Xusealtsigs", &tail)) { | |
2893 // change default internal VM signals used - lower case for back compat | |
2894 FLAG_SET_CMDLINE(bool, UseAltSigs, true); | |
2895 // -Xoptimize | |
2896 } else if (match_option(option, "-Xoptimize", &tail)) { | |
2897 // EVM option, ignore silently for compatibility | |
2898 // -Xprof | |
2899 } else if (match_option(option, "-Xprof", &tail)) { | |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2900 #if INCLUDE_FPROF |
0 | 2901 _has_profile = true; |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2902 #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
|
2903 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
|
2904 "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
|
2905 return JNI_ERR; |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2906 #endif // INCLUDE_FPROF |
0 | 2907 // -Xconcurrentio |
2908 } else if (match_option(option, "-Xconcurrentio", &tail)) { | |
2909 FLAG_SET_CMDLINE(bool, UseLWPSynchronization, true); | |
2910 FLAG_SET_CMDLINE(bool, BackgroundCompilation, false); | |
2911 FLAG_SET_CMDLINE(intx, DeferThrSuspendLoopCount, 1); | |
2912 FLAG_SET_CMDLINE(bool, UseTLAB, false); | |
2913 FLAG_SET_CMDLINE(uintx, NewSizeThreadIncrease, 16 * K); // 20Kb per thread added to new generation | |
2914 | |
2915 // -Xinternalversion | |
2916 } else if (match_option(option, "-Xinternalversion", &tail)) { | |
2917 jio_fprintf(defaultStream::output_stream(), "%s\n", | |
2918 VM_Version::internal_vm_info_string()); | |
2919 vm_exit(0); | |
2920 #ifndef PRODUCT | |
2921 // -Xprintflags | |
2922 } else if (match_option(option, "-Xprintflags", &tail)) { | |
4773 | 2923 CommandLineFlags::printFlags(tty, false); |
0 | 2924 vm_exit(0); |
2925 #endif | |
2926 // -D | |
2927 } else if (match_option(option, "-D", &tail)) { | |
2928 if (!add_property(tail)) { | |
2929 return JNI_ENOMEM; | |
2930 } | |
2931 // Out of the box management support | |
2932 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
|
2933 #if INCLUDE_MANAGEMENT |
0 | 2934 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
|
2935 #else |
8720
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
2936 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
|
2937 "-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
|
2938 return JNI_ERR; |
8081
579f6adb7f51
8003539: Minimal VM don't react to -Dcom.sun.management and -XX:+ManagementServer
jprovino
parents:
8002
diff
changeset
|
2939 #endif |
0 | 2940 } |
2941 // -Xint | |
2942 } else if (match_option(option, "-Xint", &tail)) { | |
2943 set_mode_flags(_int); | |
2944 // -Xmixed | |
2945 } else if (match_option(option, "-Xmixed", &tail)) { | |
2946 set_mode_flags(_mixed); | |
2947 // -Xcomp | |
2948 } else if (match_option(option, "-Xcomp", &tail)) { | |
2949 // for testing the compiler; turn off all flags that inhibit compilation | |
2950 set_mode_flags(_comp); | |
2951 // -Xshare:dump | |
2952 } else if (match_option(option, "-Xshare:dump", &tail)) { | |
2953 FLAG_SET_CMDLINE(bool, DumpSharedSpaces, true); | |
2954 set_mode_flags(_int); // Prevent compilation, which creates objects | |
2955 // -Xshare:on | |
2956 } else if (match_option(option, "-Xshare:on", &tail)) { | |
2957 FLAG_SET_CMDLINE(bool, UseSharedSpaces, true); | |
2958 FLAG_SET_CMDLINE(bool, RequireSharedSpaces, true); | |
2959 // -Xshare:auto | |
2960 } else if (match_option(option, "-Xshare:auto", &tail)) { | |
2961 FLAG_SET_CMDLINE(bool, UseSharedSpaces, true); | |
2962 FLAG_SET_CMDLINE(bool, RequireSharedSpaces, false); | |
2963 // -Xshare:off | |
2964 } else if (match_option(option, "-Xshare:off", &tail)) { | |
2965 FLAG_SET_CMDLINE(bool, UseSharedSpaces, false); | |
2966 FLAG_SET_CMDLINE(bool, RequireSharedSpaces, false); | |
2967 // -Xverify | |
2968 } else if (match_option(option, "-Xverify", &tail)) { | |
2969 if (strcmp(tail, ":all") == 0 || strcmp(tail, "") == 0) { | |
2970 FLAG_SET_CMDLINE(bool, BytecodeVerificationLocal, true); | |
2971 FLAG_SET_CMDLINE(bool, BytecodeVerificationRemote, true); | |
2972 } else if (strcmp(tail, ":remote") == 0) { | |
2973 FLAG_SET_CMDLINE(bool, BytecodeVerificationLocal, false); | |
2974 FLAG_SET_CMDLINE(bool, BytecodeVerificationRemote, true); | |
2975 } else if (strcmp(tail, ":none") == 0) { | |
2976 FLAG_SET_CMDLINE(bool, BytecodeVerificationLocal, false); | |
2977 FLAG_SET_CMDLINE(bool, BytecodeVerificationRemote, false); | |
2978 } else if (is_bad_option(option, args->ignoreUnrecognized, "verification")) { | |
2979 return JNI_EINVAL; | |
2980 } | |
2981 // -Xdebug | |
2982 } else if (match_option(option, "-Xdebug", &tail)) { | |
2983 // note this flag has been used, then ignore | |
2984 set_xdebug_mode(true); | |
2985 // -Xnoagent | |
2986 } else if (match_option(option, "-Xnoagent", &tail)) { | |
2987 // For compatibility with classic. HotSpot refuses to load the old style agent.dll. | |
2988 } else if (match_option(option, "-Xboundthreads", &tail)) { | |
2989 // Bind user level threads to kernel threads (Solaris only) | |
2990 FLAG_SET_CMDLINE(bool, UseBoundThreads, true); | |
2991 } else if (match_option(option, "-Xloggc:", &tail)) { | |
2992 // Redirect GC output to the file. -Xloggc:<filename> | |
2993 // ostream_init_log(), when called will use this filename | |
2994 // to initialize a fileStream. | |
2995 _gc_log_filename = strdup(tail); | |
12215 | 2996 if (!is_filename_valid(_gc_log_filename)) { |
2997 jio_fprintf(defaultStream::output_stream(), | |
2998 "Invalid file name for use with -Xloggc: Filename can only contain the " | |
2999 "characters [A-Z][a-z][0-9]-_.%%[p|t] but it has been %s\n" | |
3000 "Note %%p or %%t can only be used once\n", _gc_log_filename); | |
3001 return JNI_EINVAL; | |
3002 } | |
0 | 3003 FLAG_SET_CMDLINE(bool, PrintGC, true); |
3004 FLAG_SET_CMDLINE(bool, PrintGCTimeStamps, true); | |
3005 | |
3006 // JNI hooks | |
3007 } else if (match_option(option, "-Xcheck", &tail)) { | |
3008 if (!strcmp(tail, ":jni")) { | |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3009 #if !INCLUDE_JNI_CHECK |
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3010 warning("JNI CHECKING is not supported in this VM"); |
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3011 #else |
0 | 3012 CheckJNICalls = true; |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3013 #endif // INCLUDE_JNI_CHECK |
0 | 3014 } else if (is_bad_option(option, args->ignoreUnrecognized, |
3015 "check")) { | |
3016 return JNI_EINVAL; | |
3017 } | |
3018 } else if (match_option(option, "vfprintf", &tail)) { | |
3019 _vfprintf_hook = CAST_TO_FN_PTR(vfprintf_hook_t, option->extraInfo); | |
3020 } else if (match_option(option, "exit", &tail)) { | |
3021 _exit_hook = CAST_TO_FN_PTR(exit_hook_t, option->extraInfo); | |
3022 } else if (match_option(option, "abort", &tail)) { | |
3023 _abort_hook = CAST_TO_FN_PTR(abort_hook_t, option->extraInfo); | |
3024 // -XX:+AggressiveHeap | |
3025 } else if (match_option(option, "-XX:+AggressiveHeap", &tail)) { | |
3026 | |
3027 // This option inspects the machine and attempts to set various | |
3028 // parameters to be optimal for long-running, memory allocation | |
3029 // intensive jobs. It is intended for machines with large | |
3030 // amounts of cpu and memory. | |
3031 | |
3032 // initHeapSize is needed since _initial_heap_size is 4 bytes on a 32 bit | |
3033 // VM, but we may not be able to represent the total physical memory | |
3034 // available (like having 8gb of memory on a box but using a 32bit VM). | |
3035 // Thus, we need to make sure we're using a julong for intermediate | |
3036 // calculations. | |
3037 julong initHeapSize; | |
3038 julong total_memory = os::physical_memory(); | |
3039 | |
3040 if (total_memory < (julong)256*M) { | |
3041 jio_fprintf(defaultStream::error_stream(), | |
3042 "You need at least 256mb of memory to use -XX:+AggressiveHeap\n"); | |
3043 vm_exit(1); | |
3044 } | |
3045 | |
3046 // The heap size is half of available memory, or (at most) | |
3047 // all of possible memory less 160mb (leaving room for the OS | |
3048 // when using ISM). This is the maximum; because adaptive sizing | |
3049 // is turned on below, the actual space used may be smaller. | |
3050 | |
3051 initHeapSize = MIN2(total_memory / (julong)2, | |
3052 total_memory - (julong)160*M); | |
3053 | |
8854
754c24457b20
7112912: Message "Error occurred during initialization of VM" on boxes with lots of RAM
tschatzl
parents:
8824
diff
changeset
|
3054 initHeapSize = limit_by_allocatable_memory(initHeapSize); |
0 | 3055 |
3056 if (FLAG_IS_DEFAULT(MaxHeapSize)) { | |
3057 FLAG_SET_CMDLINE(uintx, MaxHeapSize, initHeapSize); | |
1064 | 3058 FLAG_SET_CMDLINE(uintx, InitialHeapSize, initHeapSize); |
0 | 3059 // Currently the minimum size and the initial heap sizes are the same. |
1064 | 3060 set_min_heap_size(initHeapSize); |
0 | 3061 } |
3062 if (FLAG_IS_DEFAULT(NewSize)) { | |
3063 // Make the young generation 3/8ths of the total heap. | |
3064 FLAG_SET_CMDLINE(uintx, NewSize, | |
3065 ((julong)MaxHeapSize / (julong)8) * (julong)3); | |
3066 FLAG_SET_CMDLINE(uintx, MaxNewSize, NewSize); | |
3067 } | |
3068 | |
6917
e81fbc04a942
7191817: -XX:+UseSerialGC -XX:+UseLargePages crashes with SIGFPE on MacOS X
coleenp
parents:
6916
diff
changeset
|
3069 #ifndef _ALLBSD_SOURCE // UseLargePages is not yet supported on BSD. |
0 | 3070 FLAG_SET_DEFAULT(UseLargePages, true); |
6917
e81fbc04a942
7191817: -XX:+UseSerialGC -XX:+UseLargePages crashes with SIGFPE on MacOS X
coleenp
parents:
6916
diff
changeset
|
3071 #endif |
0 | 3072 |
3073 // Increase some data structure sizes for efficiency | |
3074 FLAG_SET_CMDLINE(uintx, BaseFootPrintEstimate, MaxHeapSize); | |
3075 FLAG_SET_CMDLINE(bool, ResizeTLAB, false); | |
3076 FLAG_SET_CMDLINE(uintx, TLABSize, 256*K); | |
3077 | |
3078 // See the OldPLABSize comment below, but replace 'after promotion' | |
3079 // with 'after copying'. YoungPLABSize is the size of the survivor | |
3080 // space per-gc-thread buffers. The default is 4kw. | |
3081 FLAG_SET_CMDLINE(uintx, YoungPLABSize, 256*K); // Note: this is in words | |
3082 | |
3083 // OldPLABSize is the size of the buffers in the old gen that | |
3084 // UseParallelGC uses to promote live data that doesn't fit in the | |
3085 // survivor spaces. At any given time, there's one for each gc thread. | |
3086 // The default size is 1kw. These buffers are rarely used, since the | |
3087 // survivor spaces are usually big enough. For specjbb, however, there | |
3088 // are occasions when there's lots of live data in the young gen | |
3089 // and we end up promoting some of it. We don't have a definite | |
3090 // explanation for why bumping OldPLABSize helps, but the theory | |
3091 // is that a bigger PLAB results in retaining something like the | |
3092 // original allocation order after promotion, which improves mutator | |
3093 // locality. A minor effect may be that larger PLABs reduce the | |
3094 // number of PLAB allocation events during gc. The value of 8kw | |
3095 // was arrived at by experimenting with specjbb. | |
3096 FLAG_SET_CMDLINE(uintx, OldPLABSize, 8*K); // Note: this is in words | |
3097 | |
3098 // Enable parallel GC and adaptive generation sizing | |
3099 FLAG_SET_CMDLINE(bool, UseParallelGC, true); | |
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
3100 FLAG_SET_DEFAULT(ParallelGCThreads, |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
3101 Abstract_VM_Version::parallel_worker_threads()); |
0 | 3102 |
3103 // Encourage steady state memory management | |
3104 FLAG_SET_CMDLINE(uintx, ThresholdTolerance, 100); | |
3105 | |
3106 // This appears to improve mutator locality | |
3107 FLAG_SET_CMDLINE(bool, ScavengeBeforeFullGC, false); | |
3108 | |
3109 // Get around early Solaris scheduling bug | |
3110 // (affinity vs other jobs on system) | |
3111 // but disallow DR and offlining (5008695). | |
3112 FLAG_SET_CMDLINE(bool, BindGCTaskThreadsToCPUs, true); | |
3113 | |
3114 } else if (match_option(option, "-XX:+NeverTenure", &tail)) { | |
3115 // The last option must always win. | |
3116 FLAG_SET_CMDLINE(bool, AlwaysTenure, false); | |
3117 FLAG_SET_CMDLINE(bool, NeverTenure, true); | |
3118 } else if (match_option(option, "-XX:+AlwaysTenure", &tail)) { | |
3119 // The last option must always win. | |
3120 FLAG_SET_CMDLINE(bool, NeverTenure, false); | |
3121 FLAG_SET_CMDLINE(bool, AlwaysTenure, true); | |
3122 } else if (match_option(option, "-XX:+CMSPermGenSweepingEnabled", &tail) || | |
3123 match_option(option, "-XX:-CMSPermGenSweepingEnabled", &tail)) { | |
3124 jio_fprintf(defaultStream::error_stream(), | |
3125 "Please use CMSClassUnloadingEnabled in place of " | |
3126 "CMSPermGenSweepingEnabled in the future\n"); | |
3127 } else if (match_option(option, "-XX:+UseGCTimeLimit", &tail)) { | |
3128 FLAG_SET_CMDLINE(bool, UseGCOverheadLimit, true); | |
3129 jio_fprintf(defaultStream::error_stream(), | |
3130 "Please use -XX:+UseGCOverheadLimit in place of " | |
3131 "-XX:+UseGCTimeLimit in the future\n"); | |
3132 } else if (match_option(option, "-XX:-UseGCTimeLimit", &tail)) { | |
3133 FLAG_SET_CMDLINE(bool, UseGCOverheadLimit, false); | |
3134 jio_fprintf(defaultStream::error_stream(), | |
3135 "Please use -XX:-UseGCOverheadLimit in place of " | |
3136 "-XX:-UseGCTimeLimit in the future\n"); | |
3137 // The TLE options are for compatibility with 1.3 and will be | |
3138 // removed without notice in a future release. These options | |
3139 // are not to be documented. | |
3140 } else if (match_option(option, "-XX:MaxTLERatio=", &tail)) { | |
3141 // No longer used. | |
3142 } else if (match_option(option, "-XX:+ResizeTLE", &tail)) { | |
3143 FLAG_SET_CMDLINE(bool, ResizeTLAB, true); | |
3144 } else if (match_option(option, "-XX:-ResizeTLE", &tail)) { | |
3145 FLAG_SET_CMDLINE(bool, ResizeTLAB, false); | |
3146 } else if (match_option(option, "-XX:+PrintTLE", &tail)) { | |
3147 FLAG_SET_CMDLINE(bool, PrintTLAB, true); | |
3148 } else if (match_option(option, "-XX:-PrintTLE", &tail)) { | |
3149 FLAG_SET_CMDLINE(bool, PrintTLAB, false); | |
3150 } else if (match_option(option, "-XX:TLEFragmentationRatio=", &tail)) { | |
3151 // No longer used. | |
3152 } else if (match_option(option, "-XX:TLESize=", &tail)) { | |
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
3153 julong long_tlab_size = 0; |
0 | 3154 ArgsRange errcode = parse_memory_size(tail, &long_tlab_size, 1); |
3155 if (errcode != arg_in_range) { | |
3156 jio_fprintf(defaultStream::error_stream(), | |
3157 "Invalid TLAB size: %s\n", option->optionString); | |
3158 describe_range_error(errcode); | |
3159 return JNI_EINVAL; | |
3160 } | |
3161 FLAG_SET_CMDLINE(uintx, TLABSize, long_tlab_size); | |
3162 } else if (match_option(option, "-XX:TLEThreadRatio=", &tail)) { | |
3163 // No longer used. | |
3164 } else if (match_option(option, "-XX:+UseTLE", &tail)) { | |
3165 FLAG_SET_CMDLINE(bool, UseTLAB, true); | |
3166 } else if (match_option(option, "-XX:-UseTLE", &tail)) { | |
3167 FLAG_SET_CMDLINE(bool, UseTLAB, false); | |
3168 } else if (match_option(option, "-XX:+DisplayVMOutputToStderr", &tail)) { | |
3169 FLAG_SET_CMDLINE(bool, DisplayVMOutputToStdout, false); | |
3170 FLAG_SET_CMDLINE(bool, DisplayVMOutputToStderr, true); | |
3171 } else if (match_option(option, "-XX:+DisplayVMOutputToStdout", &tail)) { | |
3172 FLAG_SET_CMDLINE(bool, DisplayVMOutputToStderr, false); | |
3173 FLAG_SET_CMDLINE(bool, DisplayVMOutputToStdout, true); | |
3174 } else if (match_option(option, "-XX:+ExtendedDTraceProbes", &tail)) { | |
4006 | 3175 #if defined(DTRACE_ENABLED) |
0 | 3176 FLAG_SET_CMDLINE(bool, ExtendedDTraceProbes, true); |
3177 FLAG_SET_CMDLINE(bool, DTraceMethodProbes, true); | |
3178 FLAG_SET_CMDLINE(bool, DTraceAllocProbes, true); | |
3179 FLAG_SET_CMDLINE(bool, DTraceMonitorProbes, true); | |
4006 | 3180 #else // defined(DTRACE_ENABLED) |
0 | 3181 jio_fprintf(defaultStream::error_stream(), |
4006 | 3182 "ExtendedDTraceProbes flag is not applicable for this configuration\n"); |
0 | 3183 return JNI_EINVAL; |
4006 | 3184 #endif // defined(DTRACE_ENABLED) |
0 | 3185 #ifdef ASSERT |
1145
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3186 } else if (match_option(option, "-XX:+FullGCALot", &tail)) { |
0 | 3187 FLAG_SET_CMDLINE(bool, FullGCALot, true); |
3188 // disable scavenge before parallel mark-compact | |
3189 FLAG_SET_CMDLINE(bool, ScavengeBeforeFullGC, false); | |
3190 #endif | |
1145
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3191 } else if (match_option(option, "-XX:CMSParPromoteBlocksToClaim=", &tail)) { |
0 | 3192 julong cms_blocks_to_claim = (julong)atol(tail); |
3193 FLAG_SET_CMDLINE(uintx, CMSParPromoteBlocksToClaim, cms_blocks_to_claim); | |
3194 jio_fprintf(defaultStream::error_stream(), | |
1145
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3195 "Please use -XX:OldPLABSize in place of " |
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3196 "-XX:CMSParPromoteBlocksToClaim in the future\n"); |
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3197 } else if (match_option(option, "-XX:ParCMSPromoteBlocksToClaim=", &tail)) { |
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3198 julong cms_blocks_to_claim = (julong)atol(tail); |
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3199 FLAG_SET_CMDLINE(uintx, CMSParPromoteBlocksToClaim, cms_blocks_to_claim); |
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3200 jio_fprintf(defaultStream::error_stream(), |
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3201 "Please use -XX:OldPLABSize in place of " |
0 | 3202 "-XX:ParCMSPromoteBlocksToClaim in the future\n"); |
1145
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3203 } else if (match_option(option, "-XX:ParallelGCOldGenAllocBufferSize=", &tail)) { |
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
3204 julong old_plab_size = 0; |
0 | 3205 ArgsRange errcode = parse_memory_size(tail, &old_plab_size, 1); |
3206 if (errcode != arg_in_range) { | |
3207 jio_fprintf(defaultStream::error_stream(), | |
3208 "Invalid old PLAB size: %s\n", option->optionString); | |
3209 describe_range_error(errcode); | |
3210 return JNI_EINVAL; | |
3211 } | |
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
3212 FLAG_SET_CMDLINE(uintx, OldPLABSize, old_plab_size); |
0 | 3213 jio_fprintf(defaultStream::error_stream(), |
3214 "Please use -XX:OldPLABSize in place of " | |
3215 "-XX:ParallelGCOldGenAllocBufferSize in the future\n"); | |
1145
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3216 } else if (match_option(option, "-XX:ParallelGCToSpaceAllocBufferSize=", &tail)) { |
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
3217 julong young_plab_size = 0; |
0 | 3218 ArgsRange errcode = parse_memory_size(tail, &young_plab_size, 1); |
3219 if (errcode != arg_in_range) { | |
3220 jio_fprintf(defaultStream::error_stream(), | |
3221 "Invalid young PLAB size: %s\n", option->optionString); | |
3222 describe_range_error(errcode); | |
3223 return JNI_EINVAL; | |
3224 } | |
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
3225 FLAG_SET_CMDLINE(uintx, YoungPLABSize, young_plab_size); |
0 | 3226 jio_fprintf(defaultStream::error_stream(), |
3227 "Please use -XX:YoungPLABSize in place of " | |
3228 "-XX:ParallelGCToSpaceAllocBufferSize in the future\n"); | |
1284 | 3229 } else if (match_option(option, "-XX:CMSMarkStackSize=", &tail) || |
3230 match_option(option, "-XX:G1MarkStackSize=", &tail)) { | |
3231 julong stack_size = 0; | |
3232 ArgsRange errcode = parse_memory_size(tail, &stack_size, 1); | |
3233 if (errcode != arg_in_range) { | |
3234 jio_fprintf(defaultStream::error_stream(), | |
3235 "Invalid mark stack size: %s\n", option->optionString); | |
3236 describe_range_error(errcode); | |
3237 return JNI_EINVAL; | |
3238 } | |
3239 FLAG_SET_CMDLINE(uintx, MarkStackSize, stack_size); | |
3240 } else if (match_option(option, "-XX:CMSMarkStackSizeMax=", &tail)) { | |
3241 julong max_stack_size = 0; | |
3242 ArgsRange errcode = parse_memory_size(tail, &max_stack_size, 1); | |
3243 if (errcode != arg_in_range) { | |
3244 jio_fprintf(defaultStream::error_stream(), | |
3245 "Invalid maximum mark stack size: %s\n", | |
3246 option->optionString); | |
3247 describe_range_error(errcode); | |
3248 return JNI_EINVAL; | |
3249 } | |
3250 FLAG_SET_CMDLINE(uintx, MarkStackSizeMax, max_stack_size); | |
3251 } else if (match_option(option, "-XX:ParallelMarkingThreads=", &tail) || | |
3252 match_option(option, "-XX:ParallelCMSThreads=", &tail)) { | |
3253 uintx conc_threads = 0; | |
3254 if (!parse_uintx(tail, &conc_threads, 1)) { | |
3255 jio_fprintf(defaultStream::error_stream(), | |
3256 "Invalid concurrent threads: %s\n", option->optionString); | |
3257 return JNI_EINVAL; | |
3258 } | |
3259 FLAG_SET_CMDLINE(uintx, ConcGCThreads, conc_threads); | |
6199
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3260 } else if (match_option(option, "-XX:MaxDirectMemorySize=", &tail)) { |
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3261 julong max_direct_memory_size = 0; |
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3262 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
|
3263 if (errcode != arg_in_range) { |
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3264 jio_fprintf(defaultStream::error_stream(), |
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3265 "Invalid maximum direct memory size: %s\n", |
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3266 option->optionString); |
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3267 describe_range_error(errcode); |
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3268 return JNI_EINVAL; |
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3269 } |
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3270 FLAG_SET_CMDLINE(uintx, MaxDirectMemorySize, max_direct_memory_size); |
6878
85916677fc22
7188233: UseVMInterruptibleIO flag deprecate for JDK8
coleenp
parents:
6857
diff
changeset
|
3271 } else if (match_option(option, "-XX:+UseVMInterruptibleIO", &tail)) { |
85916677fc22
7188233: UseVMInterruptibleIO flag deprecate for JDK8
coleenp
parents:
6857
diff
changeset
|
3272 // NOTE! In JDK 9, the UseVMInterruptibleIO flag will completely go |
85916677fc22
7188233: UseVMInterruptibleIO flag deprecate for JDK8
coleenp
parents:
6857
diff
changeset
|
3273 // away and will cause VM initialization failures! |
85916677fc22
7188233: UseVMInterruptibleIO flag deprecate for JDK8
coleenp
parents:
6857
diff
changeset
|
3274 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
|
3275 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
|
3276 #if !INCLUDE_MANAGEMENT |
579f6adb7f51
8003539: Minimal VM don't react to -Dcom.sun.management and -XX:+ManagementServer
jprovino
parents:
8002
diff
changeset
|
3277 } 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
|
3278 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
|
3279 "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
|
3280 return JNI_ERR; |
8081
579f6adb7f51
8003539: Minimal VM don't react to -Dcom.sun.management and -XX:+ManagementServer
jprovino
parents:
8002
diff
changeset
|
3281 #endif // INCLUDE_MANAGEMENT |
1145
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3282 } else if (match_option(option, "-XX:", &tail)) { // -XX:xxxx |
0 | 3283 // Skip -XX:Flags= since that case has already been handled |
3284 if (strncmp(tail, "Flags=", strlen("Flags=")) != 0) { | |
3285 if (!process_argument(tail, args->ignoreUnrecognized, origin)) { | |
3286 return JNI_EINVAL; | |
3287 } | |
3288 } | |
4559
723df37192d6
Make it possible again to build a real client libjvm, drop the UseGraal flag.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
4350
diff
changeset
|
3289 } |
723df37192d6
Make it possible again to build a real client libjvm, drop the UseGraal flag.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
4350
diff
changeset
|
3290 #ifdef GRAAL |
723df37192d6
Make it possible again to build a real client libjvm, drop the UseGraal flag.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
4350
diff
changeset
|
3291 else if (match_option(option, "-G:", &tail)) { // -G:XXX |
7125
1baf7f1e3f23
decoupled C++ Graal runtime from C1
Doug Simon <doug.simon@oracle.com>
parents:
7066
diff
changeset
|
3292 // Option for the Graal compiler. |
1437
9e5e83ca2259
Enabled -C1X:OPTIONS when running HotSpot/C1X. Enabled checkstyle for the HotSpotVM Java project.
Thomas Wuerthinger <wuerthinger@ssw.jku.at>
parents:
1356
diff
changeset
|
3293 if (PrintVMOptions) { |
7125
1baf7f1e3f23
decoupled C++ Graal runtime from C1
Doug Simon <doug.simon@oracle.com>
parents:
7066
diff
changeset
|
3294 tty->print_cr("Graal option %s", tail); |
1437
9e5e83ca2259
Enabled -C1X:OPTIONS when running HotSpot/C1X. Enabled checkstyle for the HotSpotVM Java project.
Thomas Wuerthinger <wuerthinger@ssw.jku.at>
parents:
1356
diff
changeset
|
3295 } |
2891
75a99b4f1c98
Rebranded C++ part from C1X to Graal.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2873
diff
changeset
|
3296 Arguments::add_graal_arg(tail); |
1437
9e5e83ca2259
Enabled -C1X:OPTIONS when running HotSpot/C1X. Enabled checkstyle for the HotSpotVM Java project.
Thomas Wuerthinger <wuerthinger@ssw.jku.at>
parents:
1356
diff
changeset
|
3297 |
0 | 3298 // Unknown option |
4559
723df37192d6
Make it possible again to build a real client libjvm, drop the UseGraal flag.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
4350
diff
changeset
|
3299 } |
723df37192d6
Make it possible again to build a real client libjvm, drop the UseGraal flag.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
4350
diff
changeset
|
3300 #endif |
723df37192d6
Make it possible again to build a real client libjvm, drop the UseGraal flag.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
4350
diff
changeset
|
3301 else if (is_bad_option(option, args->ignoreUnrecognized)) { |
0 | 3302 return JNI_ERR; |
3303 } | |
3304 } | |
3767
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
3305 |
449
171e581e8161
6554406: Change switch UseVMInterruptibleIO default to false (sol)
xlu
parents:
420
diff
changeset
|
3306 // 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
|
3307 // when working with older JDKs. |
1679
3d90023429ec
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
1628
diff
changeset
|
3308 #ifdef LINUX |
3d90023429ec
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
1628
diff
changeset
|
3309 if (JDK_Version::current().compare_major(6) <= 0 && |
3d90023429ec
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
1628
diff
changeset
|
3310 FLAG_IS_DEFAULT(UseLinuxPosixThreadCPUClocks)) { |
3d90023429ec
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
1628
diff
changeset
|
3311 FLAG_SET_DEFAULT(UseLinuxPosixThreadCPUClocks, false); |
3d90023429ec
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
1628
diff
changeset
|
3312 } |
3d90023429ec
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
1628
diff
changeset
|
3313 #endif // LINUX |
0 | 3314 return JNI_OK; |
3315 } | |
3316 | |
3317 jint Arguments::finalize_vm_init_args(SysClassPath* scp_p, bool scp_assembly_required) { | |
3318 // This must be done after all -D arguments have been processed. | |
3319 scp_p->expand_endorsed(); | |
3320 | |
3321 if (scp_assembly_required || scp_p->get_endorsed() != NULL) { | |
3322 // Assemble the bootclasspath elements into the final path. | |
3323 Arguments::set_sysclasspath(scp_p->combined_path()); | |
3324 } | |
3325 | |
3326 // This must be done after all arguments have been processed. | |
3327 // java_compiler() true means set to "NONE" or empty. | |
3328 if (java_compiler() && !xdebug_mode()) { | |
3329 // For backwards compatibility, we switch to interpreted mode if | |
3330 // -Djava.compiler="NONE" or "" is specified AND "-Xdebug" was | |
3331 // not specified. | |
3332 set_mode_flags(_int); | |
3333 } | |
3334 if (CompileThreshold == 0) { | |
3335 set_mode_flags(_int); | |
3336 } | |
3337 | |
10292
acac2b03a07f
8014765: VM exits if MaxTenuringThreshold is set below the default InitialTenuringThreshold, and InitialTenuringThreshold is not set
tschatzl
parents:
10287
diff
changeset
|
3338 // 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
|
3339 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
|
3340 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
|
3341 } |
acac2b03a07f
8014765: VM exits if MaxTenuringThreshold is set below the default InitialTenuringThreshold, and InitialTenuringThreshold is not set
tschatzl
parents:
10287
diff
changeset
|
3342 |
0 | 3343 #ifndef COMPILER2 |
3344 // Don't degrade server performance for footprint | |
3345 if (FLAG_IS_DEFAULT(UseLargePages) && | |
3346 MaxHeapSize < LargePageHeapSizeThreshold) { | |
3347 // No need for large granularity pages w/small heaps. | |
3348 // Note that large pages are enabled/disabled for both the | |
3349 // Java heap and the code cache. | |
3350 FLAG_SET_DEFAULT(UseLargePages, false); | |
3351 } | |
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
3352 |
0 | 3353 #else |
3354 if (!FLAG_IS_DEFAULT(OptoLoopAlignment) && FLAG_IS_DEFAULT(MaxLoopPad)) { | |
3355 FLAG_SET_DEFAULT(MaxLoopPad, OptoLoopAlignment-1); | |
3356 } | |
3357 #endif | |
3358 | |
11999
79a5283f4595
8021120: TieredCompilation can be enabled even if TIERED is undefined
iignatyev
parents:
11154
diff
changeset
|
3359 #ifndef TIERED |
79a5283f4595
8021120: TieredCompilation can be enabled even if TIERED is undefined
iignatyev
parents:
11154
diff
changeset
|
3360 // Tiered compilation is undefined. |
79a5283f4595
8021120: TieredCompilation can be enabled even if TIERED is undefined
iignatyev
parents:
11154
diff
changeset
|
3361 UNSUPPORTED_OPTION(TieredCompilation, "TieredCompilation"); |
79a5283f4595
8021120: TieredCompilation can be enabled even if TIERED is undefined
iignatyev
parents:
11154
diff
changeset
|
3362 #endif |
79a5283f4595
8021120: TieredCompilation can be enabled even if TIERED is undefined
iignatyev
parents:
11154
diff
changeset
|
3363 |
1681
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3364 // 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
|
3365 // to be true unless the property has already been set. |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3366 // 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
|
3367 if (os::is_headless_jre()) { |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3368 const char* headless = Arguments::get_property("java.awt.headless"); |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3369 if (headless == NULL) { |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3370 char envbuffer[128]; |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3371 if (!os::getenv("JAVA_AWT_HEADLESS", envbuffer, sizeof(envbuffer))) { |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3372 if (!add_property("java.awt.headless=true")) { |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3373 return JNI_ENOMEM; |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3374 } |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3375 } else { |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3376 char buffer[256]; |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3377 strcpy(buffer, "java.awt.headless="); |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3378 strcat(buffer, envbuffer); |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3379 if (!add_property(buffer)) { |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3380 return JNI_ENOMEM; |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3381 } |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3382 } |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3383 } |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3384 } |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3385 |
0 | 3386 if (!check_vm_args_consistency()) { |
3387 return JNI_ERR; | |
3388 } | |
3389 | |
3390 return JNI_OK; | |
3391 } | |
3392 | |
3393 jint Arguments::parse_java_options_environment_variable(SysClassPath* scp_p, bool* scp_assembly_required_p) { | |
3394 return parse_options_environment_variable("_JAVA_OPTIONS", scp_p, | |
3395 scp_assembly_required_p); | |
3396 } | |
3397 | |
3398 jint Arguments::parse_java_tool_options_environment_variable(SysClassPath* scp_p, bool* scp_assembly_required_p) { | |
3399 return parse_options_environment_variable("JAVA_TOOL_OPTIONS", scp_p, | |
3400 scp_assembly_required_p); | |
3401 } | |
3402 | |
3403 jint Arguments::parse_options_environment_variable(const char* name, SysClassPath* scp_p, bool* scp_assembly_required_p) { | |
3404 const int N_MAX_OPTIONS = 64; | |
3405 const int OPTION_BUFFER_SIZE = 1024; | |
3406 char buffer[OPTION_BUFFER_SIZE]; | |
3407 | |
3408 // The variable will be ignored if it exceeds the length of the buffer. | |
3409 // Don't check this variable if user has special privileges | |
3410 // (e.g. unix su command). | |
3411 if (os::getenv(name, buffer, sizeof(buffer)) && | |
3412 !os::have_special_privileges()) { | |
3413 JavaVMOption options[N_MAX_OPTIONS]; // Construct option array | |
3414 jio_fprintf(defaultStream::error_stream(), | |
3415 "Picked up %s: %s\n", name, buffer); | |
3416 char* rd = buffer; // pointer to the input string (rd) | |
3417 int i; | |
3418 for (i = 0; i < N_MAX_OPTIONS;) { // repeat for all options in the input string | |
3419 while (isspace(*rd)) rd++; // skip whitespace | |
3420 if (*rd == 0) break; // we re done when the input string is read completely | |
3421 | |
3422 // The output, option string, overwrites the input string. | |
3423 // Because of quoting, the pointer to the option string (wrt) may lag the pointer to | |
3424 // input string (rd). | |
3425 char* wrt = rd; | |
3426 | |
3427 options[i++].optionString = wrt; // Fill in option | |
3428 while (*rd != 0 && !isspace(*rd)) { // unquoted strings terminate with a space or NULL | |
3429 if (*rd == '\'' || *rd == '"') { // handle a quoted string | |
3430 int quote = *rd; // matching quote to look for | |
3431 rd++; // don't copy open quote | |
3432 while (*rd != quote) { // include everything (even spaces) up until quote | |
3433 if (*rd == 0) { // string termination means unmatched string | |
3434 jio_fprintf(defaultStream::error_stream(), | |
3435 "Unmatched quote in %s\n", name); | |
3436 return JNI_ERR; | |
3437 } | |
3438 *wrt++ = *rd++; // copy to option string | |
3439 } | |
3440 rd++; // don't copy close quote | |
3441 } else { | |
3442 *wrt++ = *rd++; // copy to option string | |
3443 } | |
3444 } | |
3445 // Need to check if we're done before writing a NULL, | |
3446 // because the write could be to the byte that rd is pointing to. | |
3447 if (*rd++ == 0) { | |
3448 *wrt = 0; | |
3449 break; | |
3450 } | |
3451 *wrt = 0; // Zero terminate option | |
3452 } | |
3453 // Construct JavaVMInitArgs structure and parse as if it was part of the command line | |
3454 JavaVMInitArgs vm_args; | |
3455 vm_args.version = JNI_VERSION_1_2; | |
3456 vm_args.options = options; | |
3457 vm_args.nOptions = i; | |
564 | 3458 vm_args.ignoreUnrecognized = IgnoreUnrecognizedVMOptions; |
0 | 3459 |
3460 if (PrintVMOptions) { | |
3461 const char* tail; | |
3462 for (int i = 0; i < vm_args.nOptions; i++) { | |
3463 const JavaVMOption *option = vm_args.options + i; | |
3464 if (match_option(option, "-XX:", &tail)) { | |
3465 logOption(tail); | |
3466 } | |
3467 } | |
3468 } | |
3469 | |
12322
72b7e96c1922
8024545: make develop and notproduct flag values available in product builds
twisti
parents:
12269
diff
changeset
|
3470 return(parse_each_vm_init_arg(&vm_args, scp_p, scp_assembly_required_p, Flag::ENVIRON_VAR)); |
0 | 3471 } |
3472 return JNI_OK; | |
3473 } | |
3474 | |
2362
a2c2eac1ca62
7018056: large pages not always enabled by default
jcoomes
parents:
2302
diff
changeset
|
3475 void Arguments::set_shared_spaces_flags() { |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3476 if (DumpSharedSpaces) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3477 if (RequireSharedSpaces) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3478 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
|
3479 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3480 UseSharedSpaces = false; |
12056
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
3481 #ifdef _LP64 |
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
3482 if (!UseCompressedOops || !UseCompressedClassPointers) { |
12056
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
3483 vm_exit_during_initialization( |
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
3484 "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
|
3485 } |
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
3486 } else { |
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
3487 // UseCompressedOops and UseCompressedClassPointers must be on for UseSharedSpaces. |
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
3488 if (!UseCompressedOops || !UseCompressedClassPointers) { |
12056
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
3489 no_shared_spaces(); |
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
3490 } |
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
3491 #endif |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3492 } |
2362
a2c2eac1ca62
7018056: large pages not always enabled by default
jcoomes
parents:
2302
diff
changeset
|
3493 } |
1891
9de67bf4244d
6996136: VM crash in src/share/vm/runtime/virtualspace.cpp:424
iveresov
parents:
1890
diff
changeset
|
3494 |
9060
cc32ccaaf47f
8003310: Enable -Wunused-function when compiling with gcc
mikael
parents:
8847
diff
changeset
|
3495 #if !INCLUDE_ALL_GCS |
8086
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3496 static void force_serial_gc() { |
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3497 FLAG_SET_DEFAULT(UseSerialGC, true); |
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3498 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
|
3499 UNSUPPORTED_GC_OPTION(UseG1GC); |
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3500 UNSUPPORTED_GC_OPTION(UseParallelGC); |
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3501 UNSUPPORTED_GC_OPTION(UseParallelOldGC); |
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3502 UNSUPPORTED_GC_OPTION(UseConcMarkSweepGC); |
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3503 UNSUPPORTED_GC_OPTION(UseParNewGC); |
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3504 } |
9060
cc32ccaaf47f
8003310: Enable -Wunused-function when compiling with gcc
mikael
parents:
8847
diff
changeset
|
3505 #endif // INCLUDE_ALL_GCS |
8086
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3506 |
10270
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3507 // Sharing support |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3508 // Construct the path to the archive |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3509 static char* get_shared_archive_path() { |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3510 char *shared_archive_path; |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3511 if (SharedArchiveFile == NULL) { |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3512 char jvm_path[JVM_MAXPATHLEN]; |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3513 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
|
3514 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
|
3515 if (end != NULL) *end = '\0'; |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3516 size_t jvm_path_len = strlen(jvm_path); |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3517 size_t file_sep_len = strlen(os::file_separator()); |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3518 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
|
3519 file_sep_len + 20, mtInternal); |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3520 if (shared_archive_path != NULL) { |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3521 strncpy(shared_archive_path, jvm_path, jvm_path_len + 1); |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3522 strncat(shared_archive_path, os::file_separator(), file_sep_len); |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3523 strncat(shared_archive_path, "classes.jsa", 11); |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3524 } |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3525 } else { |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3526 shared_archive_path = NEW_C_HEAP_ARRAY(char, strlen(SharedArchiveFile) + 1, mtInternal); |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3527 if (shared_archive_path != NULL) { |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3528 strncpy(shared_archive_path, SharedArchiveFile, strlen(SharedArchiveFile) + 1); |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3529 } |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3530 } |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3531 return shared_archive_path; |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3532 } |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3533 |
12257
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3534 #ifndef PRODUCT |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3535 // 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
|
3536 static bool use_vm_log() { |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3537 if (LogCompilation || !FLAG_IS_DEFAULT(LogFile) || |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3538 PrintCompilation || PrintInlining || PrintDependencies || PrintNativeNMethods || |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3539 PrintDebugInfo || PrintRelocations || PrintNMethods || PrintExceptionHandlers || |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3540 PrintAssembly || TraceDeoptimization || TraceDependencies || |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3541 (VerifyDependencies && FLAG_IS_CMDLINE(VerifyDependencies))) { |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3542 return true; |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3543 } |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3544 |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3545 #ifdef COMPILER1 |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3546 if (PrintC1Statistics) { |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3547 return true; |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3548 } |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3549 #endif // COMPILER1 |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3550 |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3551 #ifdef COMPILER2 |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3552 if (PrintOptoAssembly || PrintOptoStatistics) { |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3553 return true; |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3554 } |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3555 #endif // COMPILER2 |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3556 |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3557 return false; |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3558 } |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3559 #endif // PRODUCT |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3560 |
0 | 3561 // Parse entry point called from JNI_CreateJavaVM |
3562 | |
3563 jint Arguments::parse(const JavaVMInitArgs* args) { | |
3564 | |
3565 // Remaining part of option string | |
3566 const char* tail; | |
3567 | |
3568 // 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
|
3569 const char* hotspotrc = ".hotspotrc"; |
0 | 3570 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
|
3571 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
|
3572 |
564 | 3573 const char* flags_file; |
0 | 3574 int index; |
3575 for (index = 0; index < args->nOptions; index++) { | |
3576 const JavaVMOption *option = args->options + index; | |
3577 if (match_option(option, "-XX:Flags=", &tail)) { | |
564 | 3578 flags_file = tail; |
0 | 3579 settings_file_specified = true; |
3580 } | |
3581 if (match_option(option, "-XX:+PrintVMOptions", &tail)) { | |
3582 PrintVMOptions = true; | |
3583 } | |
253
b0fe4deeb9fb
6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.")
kvn
parents:
196
diff
changeset
|
3584 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
|
3585 PrintVMOptions = false; |
b0fe4deeb9fb
6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.")
kvn
parents:
196
diff
changeset
|
3586 } |
564 | 3587 if (match_option(option, "-XX:+IgnoreUnrecognizedVMOptions", &tail)) { |
3588 IgnoreUnrecognizedVMOptions = true; | |
3589 } | |
3590 if (match_option(option, "-XX:-IgnoreUnrecognizedVMOptions", &tail)) { | |
3591 IgnoreUnrecognizedVMOptions = false; | |
3592 } | |
1150 | 3593 if (match_option(option, "-XX:+PrintFlagsInitial", &tail)) { |
4773 | 3594 CommandLineFlags::printFlags(tty, false); |
1150 | 3595 vm_exit(0); |
3596 } | |
6197 | 3597 if (match_option(option, "-XX:NativeMemoryTracking", &tail)) { |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3598 #if INCLUDE_NMT |
6197 | 3599 MemTracker::init_tracking_options(tail); |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3600 #else |
8720
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
3601 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
|
3602 "Native Memory Tracking is not supported in this VM\n"); |
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
3603 return JNI_ERR; |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3604 #endif |
6197 | 3605 } |
3606 | |
1768
6ee479178066
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
1745
diff
changeset
|
3607 |
6ee479178066
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
1745
diff
changeset
|
3608 #ifndef PRODUCT |
6ee479178066
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
1745
diff
changeset
|
3609 if (match_option(option, "-XX:+PrintFlagsWithComments", &tail)) { |
4773 | 3610 CommandLineFlags::printFlags(tty, true); |
1768
6ee479178066
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
1745
diff
changeset
|
3611 vm_exit(0); |
6ee479178066
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
1745
diff
changeset
|
3612 } |
6ee479178066
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
1745
diff
changeset
|
3613 #endif |
564 | 3614 } |
3615 | |
3616 if (IgnoreUnrecognizedVMOptions) { | |
3617 // uncast const to modify the flag args->ignoreUnrecognized | |
3618 *(jboolean*)(&args->ignoreUnrecognized) = true; | |
3619 } | |
3620 | |
3621 // Parse specified settings file | |
3622 if (settings_file_specified) { | |
3623 if (!process_settings_file(flags_file, true, args->ignoreUnrecognized)) { | |
3624 return JNI_EINVAL; | |
3625 } | |
6196
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3626 } else { |
6150
1e76463170b3
7110720: Issue with vm config file loadingIssue with vm config file loading
kamg
parents:
4780
diff
changeset
|
3627 #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
|
3628 // Parse default .hotspotrc settings file |
0 | 3629 if (!process_settings_file(".hotspotrc", false, args->ignoreUnrecognized)) { |
3630 return JNI_EINVAL; | |
3631 } | |
6196
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3632 #else |
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3633 struct stat buf; |
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3634 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
|
3635 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
|
3636 } |
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3637 #endif |
0 | 3638 } |
3639 | |
3640 if (PrintVMOptions) { | |
3641 for (index = 0; index < args->nOptions; index++) { | |
3642 const JavaVMOption *option = args->options + index; | |
3643 if (match_option(option, "-XX:", &tail)) { | |
3644 logOption(tail); | |
3645 } | |
3646 } | |
3647 } | |
3648 | |
3649 // Parse JavaVMInitArgs structure passed in, as well as JAVA_TOOL_OPTIONS and _JAVA_OPTIONS | |
3650 jint result = parse_vm_init_args(args); | |
3651 if (result != JNI_OK) { | |
3652 return result; | |
3653 } | |
3654 | |
10270
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3655 // Call get_shared_archive_path() here, after possible SharedArchiveFile option got parsed. |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3656 SharedArchivePath = get_shared_archive_path(); |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3657 if (SharedArchivePath == NULL) { |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3658 return JNI_ENOMEM; |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3659 } |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3660 |
6196
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3661 // 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
|
3662 // 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
|
3663 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
|
3664 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
|
3665 "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
|
3666 hotspotrc, hotspotrc); |
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3667 } |
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3668 |
6917
e81fbc04a942
7191817: -XX:+UseSerialGC -XX:+UseLargePages crashes with SIGFPE on MacOS X
coleenp
parents:
6916
diff
changeset
|
3669 #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
|
3670 UNSUPPORTED_OPTION(UseLargePages, "-XX:+UseLargePages"); |
e81fbc04a942
7191817: -XX:+UseSerialGC -XX:+UseLargePages crashes with SIGFPE on MacOS X
coleenp
parents:
6916
diff
changeset
|
3671 #endif |
e81fbc04a942
7191817: -XX:+UseSerialGC -XX:+UseLargePages crashes with SIGFPE on MacOS X
coleenp
parents:
6916
diff
changeset
|
3672 |
8086
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3673 #if INCLUDE_ALL_GCS |
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3674 #if (defined JAVASE_EMBEDDED || defined ARM) |
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3675 UNSUPPORTED_OPTION(UseG1GC, "G1 GC"); |
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3676 #endif |
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3677 #endif |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3678 |
0 | 3679 #ifndef PRODUCT |
3680 if (TraceBytecodesAt != 0) { | |
3681 TraceBytecodes = true; | |
3682 } | |
3683 if (CountCompiledCalls) { | |
3684 if (UseCounterDecay) { | |
3685 warning("UseCounterDecay disabled because CountCalls is set"); | |
3686 UseCounterDecay = false; | |
3687 } | |
3688 } | |
3689 #endif // PRODUCT | |
3690 | |
2416
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3691 // 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
|
3692 if (!JDK_Version::is_gte_jdk17x_version()) { |
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3693 if (EnableInvokeDynamic) { |
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3694 if (!FLAG_IS_DEFAULT(EnableInvokeDynamic)) { |
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3695 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
|
3696 } |
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3697 EnableInvokeDynamic = false; |
710 | 3698 } |
3699 } | |
2416
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3700 |
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3701 if (EnableInvokeDynamic && ScavengeRootsInCode == 0) { |
989
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
932
diff
changeset
|
3702 if (!FLAG_IS_DEFAULT(ScavengeRootsInCode)) { |
2416
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3703 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
|
3704 } |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
932
diff
changeset
|
3705 ScavengeRootsInCode = 1; |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
932
diff
changeset
|
3706 } |
710 | 3707 |
0 | 3708 if (PrintGCDetails) { |
3709 // Turn on -verbose:gc options as well | |
3710 PrintGC = true; | |
3711 } | |
3712 | |
6064
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
3713 if (!JDK_Version::is_gte_jdk18x_version()) { |
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
3714 // 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
|
3715 // true by default in JDK8 and above. |
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
3716 if (FLAG_IS_DEFAULT(PrintGCCause)) { |
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
3717 FLAG_SET_DEFAULT(PrintGCCause, false); |
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
3718 } |
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
3719 } |
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
3720 |
1571
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
3721 // 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
|
3722 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
|
3723 |
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
3724 #if !INCLUDE_ALL_GCS |
1064 | 3725 force_serial_gc(); |
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
3726 #endif // INCLUDE_ALL_GCS |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3727 #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
|
3728 if (DumpSharedSpaces || RequireSharedSpaces) { |
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
3729 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
|
3730 "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
|
3731 return JNI_ERR; |
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
3732 } |
8724
69ffa4ac9e53
8009835: Only produce a warning when -Xshare:auto is explicitly requested
jprovino
parents:
8720
diff
changeset
|
3733 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
|
3734 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
|
3735 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
|
3736 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
|
3737 } |
0 | 3738 no_shared_spaces(); |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3739 #endif // INCLUDE_CDS |
0 | 3740 |
12233
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
3741 return JNI_OK; |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
3742 } |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
3743 |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
3744 jint Arguments::apply_ergo() { |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
3745 |
0 | 3746 // Set flags based on ergonomics. |
3747 set_ergonomics_flags(); | |
3748 | |
2362
a2c2eac1ca62
7018056: large pages not always enabled by default
jcoomes
parents:
2302
diff
changeset
|
3749 set_shared_spaces_flags(); |
1135
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1131
diff
changeset
|
3750 |
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
3751 // Check the GC selections again. |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
3752 if (!check_gc_consistency()) { |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
3753 return JNI_EINVAL; |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
3754 } |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
3755 |
1783 | 3756 if (TieredCompilation) { |
3757 set_tiered_flags(); | |
3758 } else { | |
3759 // Check if the policy is valid. Policies 0 and 1 are valid for non-tiered setup. | |
3760 if (CompilationPolicyChoice >= 2) { | |
3761 vm_exit_during_initialization( | |
3762 "Incompatible compilation policy selected", NULL); | |
3763 } | |
3764 } | |
13074
78da3894b86f
8027593: performance drop with constrained codecache starting with hs25 b111
anoll
parents:
13008
diff
changeset
|
3765 // 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
|
3766 if (FLAG_IS_DEFAULT(NmethodSweepFraction)) { |
78da3894b86f
8027593: performance drop with constrained codecache starting with hs25 b111
anoll
parents:
13008
diff
changeset
|
3767 FLAG_SET_DEFAULT(NmethodSweepFraction, 1 + ReservedCodeCacheSize / (16 * M)); |
78da3894b86f
8027593: performance drop with constrained codecache starting with hs25 b111
anoll
parents:
13008
diff
changeset
|
3768 } |
78da3894b86f
8027593: performance drop with constrained codecache starting with hs25 b111
anoll
parents:
13008
diff
changeset
|
3769 |
1783 | 3770 |
2368
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
3771 // Set heap size based on available physical memory |
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
3772 set_heap_size(); |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3773 |
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
3774 #if INCLUDE_ALL_GCS |
2368
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
3775 // Set per-collector flags |
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
3776 if (UseParallelGC || UseParallelOldGC) { |
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
3777 set_parallel_gc_flags(); |
14313
44315152d434
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14309
diff
changeset
|
3778 } else if (UseConcMarkSweepGC) { // Should be done before ParNew check below |
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
3779 set_cms_and_parnew_gc_flags(); |
14313
44315152d434
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14309
diff
changeset
|
3780 } else if (UseParNewGC) { // Skipped if CMS is set above |
2368
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
3781 set_parnew_gc_flags(); |
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
3782 } else if (UseG1GC) { |
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
3783 set_g1_gc_flags(); |
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
3784 } |
7452
e0ab18eafbde
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
7451
diff
changeset
|
3785 check_deprecated_gcs(); |
8734 | 3786 check_deprecated_gc_flags(); |
8845
1b90c7607451
2178143: JVM crashes if the number of bound CPUs changed during runtime
minqi
parents:
8819
diff
changeset
|
3787 if (AssumeMP && !UseSerialGC) { |
1b90c7607451
2178143: JVM crashes if the number of bound CPUs changed during runtime
minqi
parents:
8819
diff
changeset
|
3788 if (FLAG_IS_DEFAULT(ParallelGCThreads) && ParallelGCThreads == 1) { |
1b90c7607451
2178143: JVM crashes if the number of bound CPUs changed during runtime
minqi
parents:
8819
diff
changeset
|
3789 warning("If the number of processors is expected to increase from one, then" |
1b90c7607451
2178143: JVM crashes if the number of bound CPUs changed during runtime
minqi
parents:
8819
diff
changeset
|
3790 " you should configure the number of parallel GC threads appropriately" |
1b90c7607451
2178143: JVM crashes if the number of bound CPUs changed during runtime
minqi
parents:
8819
diff
changeset
|
3791 " using -XX:ParallelGCThreads=N"); |
1b90c7607451
2178143: JVM crashes if the number of bound CPUs changed during runtime
minqi
parents:
8819
diff
changeset
|
3792 } |
1b90c7607451
2178143: JVM crashes if the number of bound CPUs changed during runtime
minqi
parents:
8819
diff
changeset
|
3793 } |
14313
44315152d434
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14309
diff
changeset
|
3794 if (MinHeapFreeRatio == 100) { |
44315152d434
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14309
diff
changeset
|
3795 // Keeping the heap 100% free is hard ;-) so limit it to 99%. |
44315152d434
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14309
diff
changeset
|
3796 FLAG_SET_ERGO(uintx, MinHeapFreeRatio, 99); |
44315152d434
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14309
diff
changeset
|
3797 } |
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
3798 #else // INCLUDE_ALL_GCS |
0 | 3799 assert(verify_serial_gc_flags(), "SerialGC unset"); |
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
3800 #endif // INCLUDE_ALL_GCS |
0 | 3801 |
14309 | 3802 // Initialize Metaspace flags and alignments |
12838
85c1ca43713f
8024547: MaxMetaspaceSize should limit the committed memory used by the metaspaces
stefank
parents:
12831
diff
changeset
|
3803 Metaspace::ergo_initialize(); |
85c1ca43713f
8024547: MaxMetaspaceSize should limit the committed memory used by the metaspaces
stefank
parents:
12831
diff
changeset
|
3804 |
0 | 3805 // Set bytecode rewriting flags |
3806 set_bytecode_flags(); | |
3807 | |
14309 | 3808 // Set flags if Aggressive optimization flags (-XX:+AggressiveOpts) enabled |
0 | 3809 set_aggressive_opts_flags(); |
3810 | |
2239
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3811 // Turn off biased locking for locking debug mode flags, |
14309 | 3812 // which are subtly different from each other but neither works with |
3813 // biased locking | |
2331 | 3814 if (UseHeavyMonitors |
3815 #ifdef COMPILER1 | |
3816 || !UseFastLocking | |
3817 #endif // COMPILER1 | |
7154
5d0bb7d52783
changes to support Graal co-existing with the other HotSpot compiler(s) and being used for explicit compilation requests and code installation via the Graal API
Doug Simon <doug.simon@oracle.com>
parents:
7125
diff
changeset
|
3818 #ifdef GRAAL |
5d0bb7d52783
changes to support Graal co-existing with the other HotSpot compiler(s) and being used for explicit compilation requests and code installation via the Graal API
Doug Simon <doug.simon@oracle.com>
parents:
7125
diff
changeset
|
3819 || !GraalUseFastLocking |
5d0bb7d52783
changes to support Graal co-existing with the other HotSpot compiler(s) and being used for explicit compilation requests and code installation via the Graal API
Doug Simon <doug.simon@oracle.com>
parents:
7125
diff
changeset
|
3820 #endif // GRAAL |
2331 | 3821 ) { |
2239
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3822 if (!FLAG_IS_DEFAULT(UseBiasedLocking) && UseBiasedLocking) { |
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3823 // 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
|
3824 // can't enable biased locking here |
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3825 warning("Biased Locking is not supported with locking debug flags" |
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3826 "; ignoring UseBiasedLocking flag." ); |
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3827 } |
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3828 UseBiasedLocking = false; |
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3829 } |
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3830 |
14420
abe03600372a
8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents:
14412
diff
changeset
|
3831 #ifdef ZERO |
abe03600372a
8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents:
14412
diff
changeset
|
3832 // Clear flags not supported on zero. |
1131 | 3833 FLAG_SET_DEFAULT(ProfileInterpreter, false); |
0 | 3834 FLAG_SET_DEFAULT(UseBiasedLocking, false); |
1131 | 3835 LP64_ONLY(FLAG_SET_DEFAULT(UseCompressedOops, false)); |
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
3836 LP64_ONLY(FLAG_SET_DEFAULT(UseCompressedClassPointers, false)); |
1131 | 3837 #endif // CC_INTERP |
3838 | |
420
a1980da045cc
6462850: generate biased locking code in C2 ideal graph
kvn
parents:
416
diff
changeset
|
3839 #ifdef COMPILER2 |
a1980da045cc
6462850: generate biased locking code in C2 ideal graph
kvn
parents:
416
diff
changeset
|
3840 if (!UseBiasedLocking || EmitSync != 0) { |
a1980da045cc
6462850: generate biased locking code in C2 ideal graph
kvn
parents:
416
diff
changeset
|
3841 UseOptoBiasInlining = false; |
a1980da045cc
6462850: generate biased locking code in C2 ideal graph
kvn
parents:
416
diff
changeset
|
3842 } |
4777 | 3843 if (!EliminateLocks) { |
3844 EliminateNestedLocks = false; | |
3845 } | |
7473 | 3846 if (!Inline) { |
3847 IncrementalInline = false; | |
3848 } | |
3849 #ifndef PRODUCT | |
3850 if (!IncrementalInline) { | |
3851 AlwaysIncrementalInline = false; | |
3852 } | |
3853 #endif | |
3854 if (IncrementalInline && FLAG_IS_DEFAULT(MaxNodeLimit)) { | |
3855 // incremental inlining: bump MaxNodeLimit | |
3856 FLAG_SET_DEFAULT(MaxNodeLimit, (intx)75000); | |
3857 } | |
12966 | 3858 if (!UseTypeSpeculation && FLAG_IS_DEFAULT(TypeProfileLevel)) { |
3859 // nothing to use the profiling, turn if off | |
3860 FLAG_SET_DEFAULT(TypeProfileLevel, 0); | |
3861 } | |
3862 if (UseTypeSpeculation && FLAG_IS_DEFAULT(ReplaceInParentMaps)) { | |
3863 // Doing the replace in parent maps helps speculation | |
3864 FLAG_SET_DEFAULT(ReplaceInParentMaps, true); | |
3865 } | |
420
a1980da045cc
6462850: generate biased locking code in C2 ideal graph
kvn
parents:
416
diff
changeset
|
3866 #endif |
a1980da045cc
6462850: generate biased locking code in C2 ideal graph
kvn
parents:
416
diff
changeset
|
3867 |
1155
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1150
diff
changeset
|
3868 if (PrintAssembly && FLAG_IS_DEFAULT(DebugNonSafepoints)) { |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1150
diff
changeset
|
3869 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
|
3870 DebugNonSafepoints = true; |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1150
diff
changeset
|
3871 } |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1150
diff
changeset
|
3872 |
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
3873 if (FLAG_IS_CMDLINE(CompressedClassSpaceSize) && !UseCompressedClassPointers) { |
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
3874 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
|
3875 } |
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
3876 |
1188
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
3877 #ifndef PRODUCT |
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
3878 if (CompileTheWorld) { |
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
3879 // 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
|
3880 if (FLAG_IS_DEFAULT(NmethodSweepFraction)) { |
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
3881 NmethodSweepFraction = 1; |
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
3882 } |
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
3883 } |
12257
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3884 |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3885 if (!LogVMOutput && FLAG_IS_DEFAULT(LogVMOutput)) { |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3886 if (use_vm_log()) { |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3887 LogVMOutput = true; |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3888 } |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3889 } |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3890 #endif // PRODUCT |
1188
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
3891 |
0 | 3892 if (PrintCommandLineFlags) { |
4773 | 3893 CommandLineFlags::printSetFlags(tty); |
0 | 3894 } |
3895 | |
1681
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3896 // Apply CPU specific policy for the BiasedLocking |
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3897 if (UseBiasedLocking) { |
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3898 if (!VM_Version::use_biased_locking() && |
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3899 !(FLAG_IS_CMDLINE(UseBiasedLocking))) { |
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3900 UseBiasedLocking = false; |
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3901 } |
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3902 } |
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3903 |
0 | 3904 return JNI_OK; |
3905 } | |
3906 | |
7177
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3907 jint Arguments::adjust_after_os() { |
14346 | 3908 if (UseNUMA) { |
3909 if (UseParallelGC || UseParallelOldGC) { | |
7177
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3910 if (FLAG_IS_DEFAULT(MinHeapDeltaBytes)) { |
14346 | 3911 FLAG_SET_DEFAULT(MinHeapDeltaBytes, 64*M); |
7177
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3912 } |
14346 | 3913 } |
3914 // UseNUMAInterleaving is set to ON for all collectors and | |
3915 // platforms when UseNUMA is set to ON. NUMA-aware collectors | |
3916 // such as the parallel collector for Linux and Solaris will | |
3917 // interleave old gen and survivor spaces on top of NUMA | |
3918 // allocation policy for the eden space. | |
3919 // Non NUMA-aware collectors such as CMS, G1 and Serial-GC on | |
3920 // all platforms and ParallelGC on Windows will interleave all | |
3921 // of the heap spaces across NUMA nodes. | |
3922 if (FLAG_IS_DEFAULT(UseNUMAInterleaving)) { | |
3923 FLAG_SET_ERGO(bool, UseNUMAInterleaving, true); | |
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3924 } |
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3925 } |
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3926 return JNI_OK; |
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3927 } |
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3928 |
0 | 3929 int Arguments::PropertyList_count(SystemProperty* pl) { |
3930 int count = 0; | |
3931 while(pl != NULL) { | |
3932 count++; | |
3933 pl = pl->next(); | |
3934 } | |
3935 return count; | |
3936 } | |
3937 | |
3938 const char* Arguments::PropertyList_get_value(SystemProperty *pl, const char* key) { | |
3939 assert(key != NULL, "just checking"); | |
3940 SystemProperty* prop; | |
3941 for (prop = pl; prop != NULL; prop = prop->next()) { | |
3942 if (strcmp(key, prop->key()) == 0) return prop->value(); | |
3943 } | |
3944 return NULL; | |
3945 } | |
3946 | |
3947 const char* Arguments::PropertyList_get_key_at(SystemProperty *pl, int index) { | |
3948 int count = 0; | |
3949 const char* ret_val = NULL; | |
3950 | |
3951 while(pl != NULL) { | |
3952 if(count >= index) { | |
3953 ret_val = pl->key(); | |
3954 break; | |
3955 } | |
3956 count++; | |
3957 pl = pl->next(); | |
3958 } | |
3959 | |
3960 return ret_val; | |
3961 } | |
3962 | |
3963 char* Arguments::PropertyList_get_value_at(SystemProperty* pl, int index) { | |
3964 int count = 0; | |
3965 char* ret_val = NULL; | |
3966 | |
3967 while(pl != NULL) { | |
3968 if(count >= index) { | |
3969 ret_val = pl->value(); | |
3970 break; | |
3971 } | |
3972 count++; | |
3973 pl = pl->next(); | |
3974 } | |
3975 | |
3976 return ret_val; | |
3977 } | |
3978 | |
3979 void Arguments::PropertyList_add(SystemProperty** plist, SystemProperty *new_p) { | |
3980 SystemProperty* p = *plist; | |
3981 if (p == NULL) { | |
3982 *plist = new_p; | |
3983 } else { | |
3984 while (p->next() != NULL) { | |
3985 p = p->next(); | |
3986 } | |
3987 p->set_next(new_p); | |
3988 } | |
3989 } | |
3990 | |
3991 void Arguments::PropertyList_add(SystemProperty** plist, const char* k, char* v) { | |
3992 if (plist == NULL) | |
3993 return; | |
3994 | |
3995 SystemProperty* new_p = new SystemProperty(k, v, true); | |
3996 PropertyList_add(plist, new_p); | |
3997 } | |
3998 | |
3999 // This add maintains unique property key in the list. | |
691 | 4000 void Arguments::PropertyList_unique_add(SystemProperty** plist, const char* k, char* v, jboolean append) { |
0 | 4001 if (plist == NULL) |
4002 return; | |
4003 | |
4004 // If property key exist then update with new value. | |
4005 SystemProperty* prop; | |
4006 for (prop = *plist; prop != NULL; prop = prop->next()) { | |
4007 if (strcmp(k, prop->key()) == 0) { | |
691 | 4008 if (append) { |
4009 prop->append_value(v); | |
4010 } else { | |
4011 prop->set_value(v); | |
4012 } | |
0 | 4013 return; |
4014 } | |
4015 } | |
4016 | |
4017 PropertyList_add(plist, k, v); | |
4018 } | |
4019 | |
4020 // Copies src into buf, replacing "%%" with "%" and "%p" with pid | |
4021 // Returns true if all of the source pointed by src has been copied over to | |
4022 // the destination buffer pointed by buf. Otherwise, returns false. | |
4023 // Notes: | |
4024 // 1. If the length (buflen) of the destination buffer excluding the | |
4025 // NULL terminator character is not long enough for holding the expanded | |
4026 // pid characters, it also returns false instead of returning the partially | |
4027 // expanded one. | |
4028 // 2. The passed in "buflen" should be large enough to hold the null terminator. | |
4029 bool Arguments::copy_expand_pid(const char* src, size_t srclen, | |
4030 char* buf, size_t buflen) { | |
4031 const char* p = src; | |
4032 char* b = buf; | |
4033 const char* src_end = &src[srclen]; | |
4034 char* buf_end = &buf[buflen - 1]; | |
4035 | |
4036 while (p < src_end && b < buf_end) { | |
4037 if (*p == '%') { | |
4038 switch (*(++p)) { | |
4039 case '%': // "%%" ==> "%" | |
4040 *b++ = *p++; | |
4041 break; | |
4042 case 'p': { // "%p" ==> current process id | |
4043 // buf_end points to the character before the last character so | |
4044 // that we could write '\0' to the end of the buffer. | |
4045 size_t buf_sz = buf_end - b + 1; | |
4046 int ret = jio_snprintf(b, buf_sz, "%d", os::current_process_id()); | |
4047 | |
4048 // if jio_snprintf fails or the buffer is not long enough to hold | |
4049 // the expanded pid, returns false. | |
4050 if (ret < 0 || ret >= (int)buf_sz) { | |
4051 return false; | |
4052 } else { | |
4053 b += ret; | |
4054 assert(*b == '\0', "fail in copy_expand_pid"); | |
4055 if (p == src_end && b == buf_end + 1) { | |
4056 // reach the end of the buffer. | |
4057 return true; | |
4058 } | |
4059 } | |
4060 p++; | |
4061 break; | |
4062 } | |
4063 default : | |
4064 *b++ = '%'; | |
4065 } | |
4066 } else { | |
4067 *b++ = *p++; | |
4068 } | |
4069 } | |
4070 *b = '\0'; | |
4071 return (p == src_end); // return false if not all of the source was copied | |
4072 } |