Mercurial > hg > truffle
annotate src/share/vm/runtime/arguments.cpp @ 19173:396ca3a22ee8
Perform analysis for locals changed in the loop and avoid creating phis for loop invariant locals.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
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date | Fri, 06 Feb 2015 04:35:28 +0100 |
parents | eaf39a954227 |
children | 9ee881900cf5 |
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" | |
38 #include "runtime/java.hpp" | |
39 #include "services/management.hpp" | |
6197 | 40 #include "services/memTracker.hpp" |
1972 | 41 #include "utilities/defaultStream.hpp" |
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42 #include "utilities/macros.hpp" |
1972 | 43 #include "utilities/taskqueue.hpp" |
44 #ifdef TARGET_OS_FAMILY_linux | |
45 # include "os_linux.inline.hpp" | |
46 #endif | |
47 #ifdef TARGET_OS_FAMILY_solaris | |
48 # include "os_solaris.inline.hpp" | |
49 #endif | |
50 #ifdef TARGET_OS_FAMILY_windows | |
51 # include "os_windows.inline.hpp" | |
52 #endif | |
14411 | 53 #ifdef TARGET_OS_FAMILY_aix |
54 # include "os_aix.inline.hpp" | |
55 #endif | |
3960 | 56 #ifdef TARGET_OS_FAMILY_bsd |
57 # include "os_bsd.inline.hpp" | |
58 #endif | |
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59 #if INCLUDE_ALL_GCS |
1972 | 60 #include "gc_implementation/concurrentMarkSweep/compactibleFreeListSpace.hpp" |
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61 #include "gc_implementation/g1/g1CollectedHeap.inline.hpp" |
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62 #include "gc_implementation/parallelScavenge/parallelScavengeHeap.hpp" |
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63 #endif // INCLUDE_ALL_GCS |
0 | 64 |
2474 | 65 // Note: This is a special bug reporting site for the JVM |
66 #define DEFAULT_VENDOR_URL_BUG "http://bugreport.sun.com/bugreport/crash.jsp" | |
0 | 67 #define DEFAULT_JAVA_LAUNCHER "generic" |
68 | |
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69 // Disable options not supported in this release, with a warning if they |
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70 // were explicitly requested on the command-line |
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71 #define UNSUPPORTED_OPTION(opt, description) \ |
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72 do { \ |
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73 if (opt) { \ |
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74 if (FLAG_IS_CMDLINE(opt)) { \ |
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75 warning(description " is disabled in this release."); \ |
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76 } \ |
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77 FLAG_SET_DEFAULT(opt, false); \ |
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78 } \ |
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79 } while(0) |
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80 |
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81 #define UNSUPPORTED_GC_OPTION(gc) \ |
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82 do { \ |
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83 if (gc) { \ |
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84 if (FLAG_IS_CMDLINE(gc)) { \ |
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85 warning(#gc " is not supported in this VM. Using Serial GC."); \ |
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86 } \ |
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87 FLAG_SET_DEFAULT(gc, false); \ |
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88 } \ |
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89 } while(0) |
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90 |
0 | 91 char** Arguments::_jvm_flags_array = NULL; |
92 int Arguments::_num_jvm_flags = 0; | |
93 char** Arguments::_jvm_args_array = NULL; | |
94 int Arguments::_num_jvm_args = 0; | |
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95 #ifdef GRAAL |
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96 char** Arguments::_graal_args_array = NULL; |
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97 int Arguments::_num_graal_args = 0; |
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98 #endif |
0 | 99 char* Arguments::_java_command = NULL; |
100 SystemProperty* Arguments::_system_properties = NULL; | |
101 const char* Arguments::_gc_log_filename = NULL; | |
102 bool Arguments::_has_profile = false; | |
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103 size_t Arguments::_conservative_max_heap_alignment = 0; |
0 | 104 uintx Arguments::_min_heap_size = 0; |
105 Arguments::Mode Arguments::_mode = _mixed; | |
106 bool Arguments::_java_compiler = false; | |
107 bool Arguments::_xdebug_mode = false; | |
108 const char* Arguments::_java_vendor_url_bug = DEFAULT_VENDOR_URL_BUG; | |
109 const char* Arguments::_sun_java_launcher = DEFAULT_JAVA_LAUNCHER; | |
110 int Arguments::_sun_java_launcher_pid = -1; | |
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111 bool Arguments::_created_by_gamma_launcher = false; |
0 | 112 |
113 // These parameters are reset in method parse_vm_init_args(JavaVMInitArgs*) | |
114 bool Arguments::_AlwaysCompileLoopMethods = AlwaysCompileLoopMethods; | |
115 bool Arguments::_UseOnStackReplacement = UseOnStackReplacement; | |
116 bool Arguments::_BackgroundCompilation = BackgroundCompilation; | |
117 bool Arguments::_ClipInlining = ClipInlining; | |
118 | |
119 char* Arguments::SharedArchivePath = NULL; | |
120 | |
121 AgentLibraryList Arguments::_libraryList; | |
122 AgentLibraryList Arguments::_agentList; | |
123 | |
124 abort_hook_t Arguments::_abort_hook = NULL; | |
125 exit_hook_t Arguments::_exit_hook = NULL; | |
126 vfprintf_hook_t Arguments::_vfprintf_hook = NULL; | |
127 | |
128 | |
129 SystemProperty *Arguments::_java_ext_dirs = NULL; | |
130 SystemProperty *Arguments::_java_endorsed_dirs = NULL; | |
131 SystemProperty *Arguments::_sun_boot_library_path = NULL; | |
132 SystemProperty *Arguments::_java_library_path = NULL; | |
133 SystemProperty *Arguments::_java_home = NULL; | |
134 SystemProperty *Arguments::_java_class_path = NULL; | |
135 SystemProperty *Arguments::_sun_boot_class_path = NULL; | |
136 | |
137 char* Arguments::_meta_index_path = NULL; | |
138 char* Arguments::_meta_index_dir = NULL; | |
139 | |
140 // Check if head of 'option' matches 'name', and sets 'tail' remaining part of option string | |
141 | |
142 static bool match_option(const JavaVMOption *option, const char* name, | |
143 const char** tail) { | |
144 int len = (int)strlen(name); | |
145 if (strncmp(option->optionString, name, len) == 0) { | |
146 *tail = option->optionString + len; | |
147 return true; | |
148 } else { | |
149 return false; | |
150 } | |
151 } | |
152 | |
153 static void logOption(const char* opt) { | |
154 if (PrintVMOptions) { | |
155 jio_fprintf(defaultStream::output_stream(), "VM option '%s'\n", opt); | |
156 } | |
157 } | |
158 | |
159 // Process java launcher properties. | |
160 void Arguments::process_sun_java_launcher_properties(JavaVMInitArgs* args) { | |
161 // See if sun.java.launcher or sun.java.launcher.pid is defined. | |
162 // Must do this before setting up other system properties, | |
163 // as some of them may depend on launcher type. | |
164 for (int index = 0; index < args->nOptions; index++) { | |
165 const JavaVMOption* option = args->options + index; | |
166 const char* tail; | |
167 | |
168 if (match_option(option, "-Dsun.java.launcher=", &tail)) { | |
169 process_java_launcher_argument(tail, option->extraInfo); | |
170 continue; | |
171 } | |
172 if (match_option(option, "-Dsun.java.launcher.pid=", &tail)) { | |
173 _sun_java_launcher_pid = atoi(tail); | |
174 continue; | |
175 } | |
176 } | |
177 } | |
178 | |
179 // Initialize system properties key and value. | |
180 void Arguments::init_system_properties() { | |
181 | |
182 PropertyList_add(&_system_properties, new SystemProperty("java.vm.specification.name", | |
183 "Java Virtual Machine Specification", false)); | |
184 PropertyList_add(&_system_properties, new SystemProperty("java.vm.version", VM_Version::vm_release(), false)); | |
185 PropertyList_add(&_system_properties, new SystemProperty("java.vm.name", VM_Version::vm_name(), false)); | |
186 PropertyList_add(&_system_properties, new SystemProperty("java.vm.info", VM_Version::vm_info_string(), true)); | |
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187 #ifdef GRAAL |
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188 #ifdef GRAAL_VERSION |
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189 PropertyList_add(&_system_properties, new SystemProperty("graal.version", GRAAL_VERSION, true)); |
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190 #else |
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191 PropertyList_add(&_system_properties, new SystemProperty("graal.version", "unknown", true)); |
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192 #endif |
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193 #endif |
0 | 194 |
195 // following are JVMTI agent writeable properties. | |
196 // Properties values are set to NULL and they are | |
197 // os specific they are initialized in os::init_system_properties_values(). | |
198 _java_ext_dirs = new SystemProperty("java.ext.dirs", NULL, true); | |
199 _java_endorsed_dirs = new SystemProperty("java.endorsed.dirs", NULL, true); | |
200 _sun_boot_library_path = new SystemProperty("sun.boot.library.path", NULL, true); | |
201 _java_library_path = new SystemProperty("java.library.path", NULL, true); | |
202 _java_home = new SystemProperty("java.home", NULL, true); | |
203 _sun_boot_class_path = new SystemProperty("sun.boot.class.path", NULL, true); | |
204 | |
205 _java_class_path = new SystemProperty("java.class.path", "", true); | |
206 | |
207 // Add to System Property list. | |
208 PropertyList_add(&_system_properties, _java_ext_dirs); | |
209 PropertyList_add(&_system_properties, _java_endorsed_dirs); | |
210 PropertyList_add(&_system_properties, _sun_boot_library_path); | |
211 PropertyList_add(&_system_properties, _java_library_path); | |
212 PropertyList_add(&_system_properties, _java_home); | |
213 PropertyList_add(&_system_properties, _java_class_path); | |
214 PropertyList_add(&_system_properties, _sun_boot_class_path); | |
215 | |
216 // Set OS specific system properties values | |
217 os::init_system_properties_values(); | |
218 } | |
219 | |
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220 |
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221 // Update/Initialize System properties after JDK version number is known |
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222 void Arguments::init_version_specific_system_properties() { |
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223 enum { bufsz = 16 }; |
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224 char buffer[bufsz]; |
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225 const char* spec_vendor = "Sun Microsystems Inc."; |
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226 uint32_t spec_version = 0; |
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227 |
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228 if (JDK_Version::is_gte_jdk17x_version()) { |
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229 spec_vendor = "Oracle Corporation"; |
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230 spec_version = JDK_Version::current().major_version(); |
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231 } |
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232 jio_snprintf(buffer, bufsz, "1." UINT32_FORMAT, spec_version); |
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233 |
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234 PropertyList_add(&_system_properties, |
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235 new SystemProperty("java.vm.specification.vendor", spec_vendor, false)); |
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236 PropertyList_add(&_system_properties, |
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237 new SystemProperty("java.vm.specification.version", buffer, false)); |
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238 PropertyList_add(&_system_properties, |
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239 new SystemProperty("java.vm.vendor", VM_Version::vm_vendor(), false)); |
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240 } |
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241 |
242 | 242 /** |
243 * Provide a slightly more user-friendly way of eliminating -XX flags. | |
244 * When a flag is eliminated, it can be added to this list in order to | |
245 * continue accepting this flag on the command-line, while issuing a warning | |
246 * and ignoring the value. Once the JDK version reaches the 'accept_until' | |
247 * limit, we flatly refuse to admit the existence of the flag. This allows | |
248 * a flag to die correctly over JDK releases using HSX. | |
249 */ | |
250 typedef struct { | |
251 const char* name; | |
252 JDK_Version obsoleted_in; // when the flag went away | |
253 JDK_Version accept_until; // which version to start denying the existence | |
254 } ObsoleteFlag; | |
0 | 255 |
242 | 256 static ObsoleteFlag obsolete_jvm_flags[] = { |
257 { "UseTrainGC", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
258 { "UseSpecialLargeObjectHandling", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
259 { "UseOversizedCarHandling", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
260 { "TraceCarAllocation", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
261 { "PrintTrainGCProcessingStats", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
262 { "LogOfCarSpaceSize", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
263 { "OversizedCarThreshold", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
264 { "MinTickInterval", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
265 { "DefaultTickInterval", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
266 { "MaxTickInterval", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
267 { "DelayTickAdjustment", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
268 { "ProcessingToTenuringRatio", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
269 { "MinTrainLength", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
270 { "AppendRatio", JDK_Version::jdk_update(6,10), JDK_Version::jdk(7) }, | |
1064 | 271 { "DefaultMaxRAM", JDK_Version::jdk_update(6,18), JDK_Version::jdk(7) }, |
272 { "DefaultInitialRAMFraction", | |
273 JDK_Version::jdk_update(6,18), JDK_Version::jdk(7) }, | |
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274 { "UseDepthFirstScavengeOrder", |
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275 JDK_Version::jdk_update(6,22), JDK_Version::jdk(7) }, |
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276 { "HandlePromotionFailure", |
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277 JDK_Version::jdk_update(6,24), JDK_Version::jdk(8) }, |
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278 { "MaxLiveObjectEvacuationRatio", |
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279 JDK_Version::jdk_update(6,24), JDK_Version::jdk(8) }, |
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280 { "ForceSharedSpaces", JDK_Version::jdk_update(6,25), JDK_Version::jdk(8) }, |
3251
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281 { "UseParallelOldGCCompacting", |
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282 JDK_Version::jdk_update(6,27), JDK_Version::jdk(8) }, |
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283 { "UseParallelDensePrefixUpdate", |
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284 JDK_Version::jdk_update(6,27), JDK_Version::jdk(8) }, |
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285 { "UseParallelOldGCDensePrefix", |
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286 JDK_Version::jdk_update(6,27), JDK_Version::jdk(8) }, |
2460 | 287 { "AllowTransitionalJSR292", JDK_Version::jdk(7), JDK_Version::jdk(8) }, |
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288 { "UseCompressedStrings", JDK_Version::jdk(7), JDK_Version::jdk(8) }, |
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289 { "CMSPermGenPrecleaningEnabled", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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290 { "CMSTriggerPermRatio", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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291 { "CMSInitiatingPermOccupancyFraction", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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292 { "AdaptivePermSizeWeight", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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293 { "PermGenPadding", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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294 { "PermMarkSweepDeadRatio", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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295 { "PermSize", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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296 { "MaxPermSize", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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297 { "MinPermHeapExpansion", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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298 { "MaxPermHeapExpansion", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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299 { "CMSRevisitStackSize", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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300 { "PrintRevisitStats", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
6916 | 301 { "UseVectoredExceptions", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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302 { "UseSplitVerifier", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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303 { "UseISM", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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304 { "UsePermISM", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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305 { "UseMPSS", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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306 { "UseStringCache", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
17672 | 307 { "UseOldInlining", JDK_Version::jdk(9), JDK_Version::jdk(10) }, |
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308 #ifdef PRODUCT |
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309 { "DesiredMethodLimit", |
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310 JDK_Version::jdk_update(7, 2), JDK_Version::jdk(8) }, |
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311 #endif // PRODUCT |
242 | 312 { NULL, JDK_Version(0), JDK_Version(0) } |
313 }; | |
314 | |
315 // Returns true if the flag is obsolete and fits into the range specified | |
316 // for being ignored. In the case that the flag is ignored, the 'version' | |
317 // value is filled in with the version number when the flag became | |
318 // obsolete so that that value can be displayed to the user. | |
319 bool Arguments::is_newly_obsolete(const char *s, JDK_Version* version) { | |
0 | 320 int i = 0; |
242 | 321 assert(version != NULL, "Must provide a version buffer"); |
322 while (obsolete_jvm_flags[i].name != NULL) { | |
323 const ObsoleteFlag& flag_status = obsolete_jvm_flags[i]; | |
0 | 324 // <flag>=xxx form |
325 // [-|+]<flag> form | |
242 | 326 if ((strncmp(flag_status.name, s, strlen(flag_status.name)) == 0) || |
0 | 327 ((s[0] == '+' || s[0] == '-') && |
242 | 328 (strncmp(flag_status.name, &s[1], strlen(flag_status.name)) == 0))) { |
329 if (JDK_Version::current().compare(flag_status.accept_until) == -1) { | |
330 *version = flag_status.obsoleted_in; | |
331 return true; | |
332 } | |
0 | 333 } |
334 i++; | |
335 } | |
336 return false; | |
337 } | |
338 | |
339 // Constructs the system class path (aka boot class path) from the following | |
340 // components, in order: | |
341 // | |
342 // prefix // from -Xbootclasspath/p:... | |
343 // endorsed // the expansion of -Djava.endorsed.dirs=... | |
344 // base // from os::get_system_properties() or -Xbootclasspath= | |
345 // suffix // from -Xbootclasspath/a:... | |
346 // | |
347 // java.endorsed.dirs is a list of directories; any jar or zip files in the | |
348 // directories are added to the sysclasspath just before the base. | |
349 // | |
350 // This could be AllStatic, but it isn't needed after argument processing is | |
351 // complete. | |
352 class SysClassPath: public StackObj { | |
353 public: | |
354 SysClassPath(const char* base); | |
355 ~SysClassPath(); | |
356 | |
357 inline void set_base(const char* base); | |
358 inline void add_prefix(const char* prefix); | |
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359 inline void add_suffix_to_prefix(const char* suffix); |
0 | 360 inline void add_suffix(const char* suffix); |
361 inline void reset_path(const char* base); | |
362 | |
363 // Expand the jar/zip files in each directory listed by the java.endorsed.dirs | |
364 // property. Must be called after all command-line arguments have been | |
365 // processed (in particular, -Djava.endorsed.dirs=...) and before calling | |
366 // combined_path(). | |
367 void expand_endorsed(); | |
368 | |
369 inline const char* get_base() const { return _items[_scp_base]; } | |
370 inline const char* get_prefix() const { return _items[_scp_prefix]; } | |
371 inline const char* get_suffix() const { return _items[_scp_suffix]; } | |
372 inline const char* get_endorsed() const { return _items[_scp_endorsed]; } | |
373 | |
374 // Combine all the components into a single c-heap-allocated string; caller | |
375 // must free the string if/when no longer needed. | |
376 char* combined_path(); | |
377 | |
378 private: | |
379 // Utility routines. | |
380 static char* add_to_path(const char* path, const char* str, bool prepend); | |
381 static char* add_jars_to_path(char* path, const char* directory); | |
382 | |
383 inline void reset_item_at(int index); | |
384 | |
385 // Array indices for the items that make up the sysclasspath. All except the | |
386 // base are allocated in the C heap and freed by this class. | |
387 enum { | |
388 _scp_prefix, // from -Xbootclasspath/p:... | |
389 _scp_endorsed, // the expansion of -Djava.endorsed.dirs=... | |
390 _scp_base, // the default sysclasspath | |
391 _scp_suffix, // from -Xbootclasspath/a:... | |
392 _scp_nitems // the number of items, must be last. | |
393 }; | |
394 | |
395 const char* _items[_scp_nitems]; | |
396 DEBUG_ONLY(bool _expansion_done;) | |
397 }; | |
398 | |
399 SysClassPath::SysClassPath(const char* base) { | |
400 memset(_items, 0, sizeof(_items)); | |
401 _items[_scp_base] = base; | |
402 DEBUG_ONLY(_expansion_done = false;) | |
403 } | |
404 | |
405 SysClassPath::~SysClassPath() { | |
406 // Free everything except the base. | |
407 for (int i = 0; i < _scp_nitems; ++i) { | |
408 if (i != _scp_base) reset_item_at(i); | |
409 } | |
410 DEBUG_ONLY(_expansion_done = false;) | |
411 } | |
412 | |
413 inline void SysClassPath::set_base(const char* base) { | |
414 _items[_scp_base] = base; | |
415 } | |
416 | |
417 inline void SysClassPath::add_prefix(const char* prefix) { | |
418 _items[_scp_prefix] = add_to_path(_items[_scp_prefix], prefix, true); | |
419 } | |
420 | |
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421 inline void SysClassPath::add_suffix_to_prefix(const char* suffix) { |
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422 _items[_scp_prefix] = add_to_path(_items[_scp_prefix], suffix, false); |
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423 } |
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424 |
0 | 425 inline void SysClassPath::add_suffix(const char* suffix) { |
426 _items[_scp_suffix] = add_to_path(_items[_scp_suffix], suffix, false); | |
427 } | |
428 | |
429 inline void SysClassPath::reset_item_at(int index) { | |
430 assert(index < _scp_nitems && index != _scp_base, "just checking"); | |
431 if (_items[index] != NULL) { | |
6197 | 432 FREE_C_HEAP_ARRAY(char, _items[index], mtInternal); |
0 | 433 _items[index] = NULL; |
434 } | |
435 } | |
436 | |
437 inline void SysClassPath::reset_path(const char* base) { | |
438 // Clear the prefix and suffix. | |
439 reset_item_at(_scp_prefix); | |
440 reset_item_at(_scp_suffix); | |
441 set_base(base); | |
442 } | |
443 | |
444 //------------------------------------------------------------------------------ | |
445 | |
446 void SysClassPath::expand_endorsed() { | |
447 assert(_items[_scp_endorsed] == NULL, "can only be called once."); | |
448 | |
449 const char* path = Arguments::get_property("java.endorsed.dirs"); | |
450 if (path == NULL) { | |
451 path = Arguments::get_endorsed_dir(); | |
452 assert(path != NULL, "no default for java.endorsed.dirs"); | |
453 } | |
454 | |
455 char* expanded_path = NULL; | |
456 const char separator = *os::path_separator(); | |
457 const char* const end = path + strlen(path); | |
458 while (path < end) { | |
459 const char* tmp_end = strchr(path, separator); | |
460 if (tmp_end == NULL) { | |
461 expanded_path = add_jars_to_path(expanded_path, path); | |
462 path = end; | |
463 } else { | |
6197 | 464 char* dirpath = NEW_C_HEAP_ARRAY(char, tmp_end - path + 1, mtInternal); |
0 | 465 memcpy(dirpath, path, tmp_end - path); |
466 dirpath[tmp_end - path] = '\0'; | |
467 expanded_path = add_jars_to_path(expanded_path, dirpath); | |
6197 | 468 FREE_C_HEAP_ARRAY(char, dirpath, mtInternal); |
0 | 469 path = tmp_end + 1; |
470 } | |
471 } | |
472 _items[_scp_endorsed] = expanded_path; | |
473 DEBUG_ONLY(_expansion_done = true;) | |
474 } | |
475 | |
476 // Combine the bootclasspath elements, some of which may be null, into a single | |
477 // c-heap-allocated string. | |
478 char* SysClassPath::combined_path() { | |
479 assert(_items[_scp_base] != NULL, "empty default sysclasspath"); | |
480 assert(_expansion_done, "must call expand_endorsed() first."); | |
481 | |
482 size_t lengths[_scp_nitems]; | |
483 size_t total_len = 0; | |
484 | |
485 const char separator = *os::path_separator(); | |
486 | |
487 // Get the lengths. | |
488 int i; | |
489 for (i = 0; i < _scp_nitems; ++i) { | |
490 if (_items[i] != NULL) { | |
491 lengths[i] = strlen(_items[i]); | |
492 // Include space for the separator char (or a NULL for the last item). | |
493 total_len += lengths[i] + 1; | |
494 } | |
495 } | |
496 assert(total_len > 0, "empty sysclasspath not allowed"); | |
497 | |
498 // Copy the _items to a single string. | |
6197 | 499 char* cp = NEW_C_HEAP_ARRAY(char, total_len, mtInternal); |
0 | 500 char* cp_tmp = cp; |
501 for (i = 0; i < _scp_nitems; ++i) { | |
502 if (_items[i] != NULL) { | |
503 memcpy(cp_tmp, _items[i], lengths[i]); | |
504 cp_tmp += lengths[i]; | |
505 *cp_tmp++ = separator; | |
506 } | |
507 } | |
508 *--cp_tmp = '\0'; // Replace the extra separator. | |
509 return cp; | |
510 } | |
511 | |
512 // Note: path must be c-heap-allocated (or NULL); it is freed if non-null. | |
513 char* | |
514 SysClassPath::add_to_path(const char* path, const char* str, bool prepend) { | |
515 char *cp; | |
516 | |
517 assert(str != NULL, "just checking"); | |
518 if (path == NULL) { | |
519 size_t len = strlen(str) + 1; | |
6197 | 520 cp = NEW_C_HEAP_ARRAY(char, len, mtInternal); |
0 | 521 memcpy(cp, str, len); // copy the trailing null |
522 } else { | |
523 const char separator = *os::path_separator(); | |
524 size_t old_len = strlen(path); | |
525 size_t str_len = strlen(str); | |
526 size_t len = old_len + str_len + 2; | |
527 | |
528 if (prepend) { | |
6197 | 529 cp = NEW_C_HEAP_ARRAY(char, len, mtInternal); |
0 | 530 char* cp_tmp = cp; |
531 memcpy(cp_tmp, str, str_len); | |
532 cp_tmp += str_len; | |
533 *cp_tmp = separator; | |
534 memcpy(++cp_tmp, path, old_len + 1); // copy the trailing null | |
6197 | 535 FREE_C_HEAP_ARRAY(char, path, mtInternal); |
0 | 536 } else { |
6197 | 537 cp = REALLOC_C_HEAP_ARRAY(char, path, len, mtInternal); |
0 | 538 char* cp_tmp = cp + old_len; |
539 *cp_tmp = separator; | |
540 memcpy(++cp_tmp, str, str_len + 1); // copy the trailing null | |
541 } | |
542 } | |
543 return cp; | |
544 } | |
545 | |
546 // Scan the directory and append any jar or zip files found to path. | |
547 // Note: path must be c-heap-allocated (or NULL); it is freed if non-null. | |
548 char* SysClassPath::add_jars_to_path(char* path, const char* directory) { | |
549 DIR* dir = os::opendir(directory); | |
550 if (dir == NULL) return path; | |
551 | |
552 char dir_sep[2] = { '\0', '\0' }; | |
553 size_t directory_len = strlen(directory); | |
554 const char fileSep = *os::file_separator(); | |
555 if (directory[directory_len - 1] != fileSep) dir_sep[0] = fileSep; | |
556 | |
557 /* Scan the directory for jars/zips, appending them to path. */ | |
558 struct dirent *entry; | |
6197 | 559 char *dbuf = NEW_C_HEAP_ARRAY(char, os::readdir_buf_size(directory), mtInternal); |
0 | 560 while ((entry = os::readdir(dir, (dirent *) dbuf)) != NULL) { |
561 const char* name = entry->d_name; | |
562 const char* ext = name + strlen(name) - 4; | |
563 bool isJarOrZip = ext > name && | |
564 (os::file_name_strcmp(ext, ".jar") == 0 || | |
565 os::file_name_strcmp(ext, ".zip") == 0); | |
566 if (isJarOrZip) { | |
6197 | 567 char* jarpath = NEW_C_HEAP_ARRAY(char, directory_len + 2 + strlen(name), mtInternal); |
0 | 568 sprintf(jarpath, "%s%s%s", directory, dir_sep, name); |
569 path = add_to_path(path, jarpath, false); | |
6197 | 570 FREE_C_HEAP_ARRAY(char, jarpath, mtInternal); |
0 | 571 } |
572 } | |
6197 | 573 FREE_C_HEAP_ARRAY(char, dbuf, mtInternal); |
0 | 574 os::closedir(dir); |
575 return path; | |
576 } | |
577 | |
578 // Parses a memory size specification string. | |
489
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579 static bool atomull(const char *s, julong* result) { |
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580 julong n = 0; |
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581 int args_read = sscanf(s, JULONG_FORMAT, &n); |
0 | 582 if (args_read != 1) { |
583 return false; | |
584 } | |
585 while (*s != '\0' && isdigit(*s)) { | |
586 s++; | |
587 } | |
588 // 4705540: illegal if more characters are found after the first non-digit | |
589 if (strlen(s) > 1) { | |
590 return false; | |
591 } | |
592 switch (*s) { | |
593 case 'T': case 't': | |
594 *result = n * G * K; | |
489
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595 // Check for overflow. |
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596 if (*result/((julong)G * K) != n) return false; |
0 | 597 return true; |
598 case 'G': case 'g': | |
599 *result = n * G; | |
489
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600 if (*result/G != n) return false; |
0 | 601 return true; |
602 case 'M': case 'm': | |
603 *result = n * M; | |
489
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604 if (*result/M != n) return false; |
0 | 605 return true; |
606 case 'K': case 'k': | |
607 *result = n * K; | |
489
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608 if (*result/K != n) return false; |
0 | 609 return true; |
610 case '\0': | |
611 *result = n; | |
612 return true; | |
613 default: | |
614 return false; | |
615 } | |
616 } | |
617 | |
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618 Arguments::ArgsRange Arguments::check_memory_size(julong size, julong min_size) { |
0 | 619 if (size < min_size) return arg_too_small; |
620 // Check that size will fit in a size_t (only relevant on 32-bit) | |
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621 if (size > max_uintx) return arg_too_big; |
0 | 622 return arg_in_range; |
623 } | |
624 | |
625 // Describe an argument out of range error | |
626 void Arguments::describe_range_error(ArgsRange errcode) { | |
627 switch(errcode) { | |
628 case arg_too_big: | |
629 jio_fprintf(defaultStream::error_stream(), | |
630 "The specified size exceeds the maximum " | |
631 "representable size.\n"); | |
632 break; | |
633 case arg_too_small: | |
634 case arg_unreadable: | |
635 case arg_in_range: | |
636 // do nothing for now | |
637 break; | |
638 default: | |
639 ShouldNotReachHere(); | |
640 } | |
641 } | |
642 | |
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643 static bool set_bool_flag(char* name, bool value, Flag::Flags origin) { |
0 | 644 return CommandLineFlags::boolAtPut(name, &value, origin); |
645 } | |
646 | |
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647 static bool set_fp_numeric_flag(char* name, char* value, Flag::Flags origin) { |
0 | 648 double v; |
649 if (sscanf(value, "%lf", &v) != 1) { | |
650 return false; | |
651 } | |
652 | |
653 if (CommandLineFlags::doubleAtPut(name, &v, origin)) { | |
654 return true; | |
655 } | |
656 return false; | |
657 } | |
658 | |
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659 static bool set_numeric_flag(char* name, char* value, Flag::Flags origin) { |
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660 julong v; |
0 | 661 intx intx_v; |
662 bool is_neg = false; | |
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663 // Check the sign first since atomull() parses only unsigned values. |
0 | 664 if (*value == '-') { |
665 if (!CommandLineFlags::intxAt(name, &intx_v)) { | |
666 return false; | |
667 } | |
668 value++; | |
669 is_neg = true; | |
670 } | |
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671 if (!atomull(value, &v)) { |
0 | 672 return false; |
673 } | |
674 intx_v = (intx) v; | |
675 if (is_neg) { | |
676 intx_v = -intx_v; | |
677 } | |
678 if (CommandLineFlags::intxAtPut(name, &intx_v, origin)) { | |
679 return true; | |
680 } | |
681 uintx uintx_v = (uintx) v; | |
682 if (!is_neg && CommandLineFlags::uintxAtPut(name, &uintx_v, origin)) { | |
683 return true; | |
684 } | |
1064 | 685 uint64_t uint64_t_v = (uint64_t) v; |
686 if (!is_neg && CommandLineFlags::uint64_tAtPut(name, &uint64_t_v, origin)) { | |
687 return true; | |
688 } | |
0 | 689 return false; |
690 } | |
691 | |
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692 static bool set_string_flag(char* name, const char* value, Flag::Flags origin) { |
0 | 693 if (!CommandLineFlags::ccstrAtPut(name, &value, origin)) return false; |
694 // Contract: CommandLineFlags always returns a pointer that needs freeing. | |
6197 | 695 FREE_C_HEAP_ARRAY(char, value, mtInternal); |
0 | 696 return true; |
697 } | |
698 | |
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699 static bool append_to_string_flag(char* name, const char* new_value, Flag::Flags origin) { |
0 | 700 const char* old_value = ""; |
701 if (!CommandLineFlags::ccstrAt(name, &old_value)) return false; | |
702 size_t old_len = old_value != NULL ? strlen(old_value) : 0; | |
703 size_t new_len = strlen(new_value); | |
704 const char* value; | |
705 char* free_this_too = NULL; | |
706 if (old_len == 0) { | |
707 value = new_value; | |
708 } else if (new_len == 0) { | |
709 value = old_value; | |
710 } else { | |
6197 | 711 char* buf = NEW_C_HEAP_ARRAY(char, old_len + 1 + new_len + 1, mtInternal); |
0 | 712 // each new setting adds another LINE to the switch: |
713 sprintf(buf, "%s\n%s", old_value, new_value); | |
714 value = buf; | |
715 free_this_too = buf; | |
716 } | |
717 (void) CommandLineFlags::ccstrAtPut(name, &value, origin); | |
718 // CommandLineFlags always returns a pointer that needs freeing. | |
6197 | 719 FREE_C_HEAP_ARRAY(char, value, mtInternal); |
0 | 720 if (free_this_too != NULL) { |
721 // CommandLineFlags made its own copy, so I must delete my own temp. buffer. | |
6197 | 722 FREE_C_HEAP_ARRAY(char, free_this_too, mtInternal); |
0 | 723 } |
724 return true; | |
725 } | |
726 | |
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727 bool Arguments::parse_argument(const char* arg, Flag::Flags origin) { |
0 | 728 |
729 // range of acceptable characters spelled out for portability reasons | |
730 #define NAME_RANGE "[abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_]" | |
731 #define BUFLEN 255 | |
732 char name[BUFLEN+1]; | |
733 char dummy; | |
734 | |
735 if (sscanf(arg, "-%" XSTR(BUFLEN) NAME_RANGE "%c", name, &dummy) == 1) { | |
736 return set_bool_flag(name, false, origin); | |
737 } | |
738 if (sscanf(arg, "+%" XSTR(BUFLEN) NAME_RANGE "%c", name, &dummy) == 1) { | |
739 return set_bool_flag(name, true, origin); | |
740 } | |
741 | |
742 char punct; | |
743 if (sscanf(arg, "%" XSTR(BUFLEN) NAME_RANGE "%c", name, &punct) == 2 && punct == '=') { | |
744 const char* value = strchr(arg, '=') + 1; | |
745 Flag* flag = Flag::find_flag(name, strlen(name)); | |
746 if (flag != NULL && flag->is_ccstr()) { | |
747 if (flag->ccstr_accumulates()) { | |
748 return append_to_string_flag(name, value, origin); | |
749 } else { | |
750 if (value[0] == '\0') { | |
751 value = NULL; | |
752 } | |
753 return set_string_flag(name, value, origin); | |
754 } | |
755 } | |
756 } | |
757 | |
758 if (sscanf(arg, "%" XSTR(BUFLEN) NAME_RANGE ":%c", name, &punct) == 2 && punct == '=') { | |
759 const char* value = strchr(arg, '=') + 1; | |
760 // -XX:Foo:=xxx will reset the string flag to the given value. | |
761 if (value[0] == '\0') { | |
762 value = NULL; | |
763 } | |
764 return set_string_flag(name, value, origin); | |
765 } | |
766 | |
767 #define SIGNED_FP_NUMBER_RANGE "[-0123456789.]" | |
768 #define SIGNED_NUMBER_RANGE "[-0123456789]" | |
769 #define NUMBER_RANGE "[0123456789]" | |
770 char value[BUFLEN + 1]; | |
771 char value2[BUFLEN + 1]; | |
772 if (sscanf(arg, "%" XSTR(BUFLEN) NAME_RANGE "=" "%" XSTR(BUFLEN) SIGNED_NUMBER_RANGE "." "%" XSTR(BUFLEN) NUMBER_RANGE "%c", name, value, value2, &dummy) == 3) { | |
773 // Looks like a floating-point number -- try again with more lenient format string | |
774 if (sscanf(arg, "%" XSTR(BUFLEN) NAME_RANGE "=" "%" XSTR(BUFLEN) SIGNED_FP_NUMBER_RANGE "%c", name, value, &dummy) == 2) { | |
775 return set_fp_numeric_flag(name, value, origin); | |
776 } | |
777 } | |
778 | |
779 #define VALUE_RANGE "[-kmgtKMGT0123456789]" | |
780 if (sscanf(arg, "%" XSTR(BUFLEN) NAME_RANGE "=" "%" XSTR(BUFLEN) VALUE_RANGE "%c", name, value, &dummy) == 2) { | |
781 return set_numeric_flag(name, value, origin); | |
782 } | |
783 | |
784 return false; | |
785 } | |
786 | |
787 void Arguments::add_string(char*** bldarray, int* count, const char* arg) { | |
788 assert(bldarray != NULL, "illegal argument"); | |
789 | |
790 if (arg == NULL) { | |
791 return; | |
792 } | |
793 | |
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794 int new_count = *count + 1; |
0 | 795 |
796 // expand the array and add arg to the last element | |
797 if (*bldarray == NULL) { | |
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798 *bldarray = NEW_C_HEAP_ARRAY(char*, new_count, mtInternal); |
0 | 799 } else { |
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800 *bldarray = REALLOC_C_HEAP_ARRAY(char*, *bldarray, new_count, mtInternal); |
0 | 801 } |
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802 (*bldarray)[*count] = strdup(arg); |
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803 *count = new_count; |
0 | 804 } |
805 | |
806 void Arguments::build_jvm_args(const char* arg) { | |
807 add_string(&_jvm_args_array, &_num_jvm_args, arg); | |
808 } | |
809 | |
810 void Arguments::build_jvm_flags(const char* arg) { | |
811 add_string(&_jvm_flags_array, &_num_jvm_flags, arg); | |
812 } | |
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813 #ifdef GRAAL |
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814 void Arguments::add_graal_arg(const char* arg) { |
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815 add_string(&_graal_args_array, &_num_graal_args, arg); |
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816 } |
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817 #endif |
0 | 818 |
819 // utility function to return a string that concatenates all | |
820 // strings in a given char** array | |
821 const char* Arguments::build_resource_string(char** args, int count) { | |
822 if (args == NULL || count == 0) { | |
823 return NULL; | |
824 } | |
825 size_t length = strlen(args[0]) + 1; // add 1 for the null terminator | |
826 for (int i = 1; i < count; i++) { | |
827 length += strlen(args[i]) + 1; // add 1 for a space | |
828 } | |
829 char* s = NEW_RESOURCE_ARRAY(char, length); | |
830 strcpy(s, args[0]); | |
831 for (int j = 1; j < count; j++) { | |
832 strcat(s, " "); | |
833 strcat(s, args[j]); | |
834 } | |
835 return (const char*) s; | |
836 } | |
837 | |
838 void Arguments::print_on(outputStream* st) { | |
839 st->print_cr("VM Arguments:"); | |
840 if (num_jvm_flags() > 0) { | |
841 st->print("jvm_flags: "); print_jvm_flags_on(st); | |
842 } | |
843 if (num_jvm_args() > 0) { | |
844 st->print("jvm_args: "); print_jvm_args_on(st); | |
845 } | |
846 st->print_cr("java_command: %s", java_command() ? java_command() : "<unknown>"); | |
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847 if (_java_class_path != NULL) { |
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848 char* path = _java_class_path->value(); |
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849 st->print_cr("java_class_path (initial): %s", strlen(path) == 0 ? "<not set>" : path ); |
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850 } |
0 | 851 st->print_cr("Launcher Type: %s", _sun_java_launcher); |
852 } | |
853 | |
854 void Arguments::print_jvm_flags_on(outputStream* st) { | |
855 if (_num_jvm_flags > 0) { | |
856 for (int i=0; i < _num_jvm_flags; i++) { | |
857 st->print("%s ", _jvm_flags_array[i]); | |
858 } | |
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859 st->cr(); |
0 | 860 } |
861 } | |
862 | |
863 void Arguments::print_jvm_args_on(outputStream* st) { | |
864 if (_num_jvm_args > 0) { | |
865 for (int i=0; i < _num_jvm_args; i++) { | |
866 st->print("%s ", _jvm_args_array[i]); | |
867 } | |
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868 st->cr(); |
0 | 869 } |
870 } | |
871 | |
242 | 872 bool Arguments::process_argument(const char* arg, |
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873 jboolean ignore_unrecognized, Flag::Flags origin) { |
242 | 874 |
875 JDK_Version since = JDK_Version(); | |
0 | 876 |
3250 | 877 if (parse_argument(arg, origin) || ignore_unrecognized) { |
878 return true; | |
0 | 879 } |
3250 | 880 |
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881 bool has_plus_minus = (*arg == '+' || *arg == '-'); |
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882 const char* const argname = has_plus_minus ? arg + 1 : arg; |
3250 | 883 if (is_newly_obsolete(arg, &since)) { |
884 char version[256]; | |
885 since.to_string(version, sizeof(version)); | |
886 warning("ignoring option %s; support was removed in %s", argname, version); | |
887 return true; | |
888 } | |
889 | |
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890 // For locked flags, report a custom error message if available. |
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891 // Otherwise, report the standard unrecognized VM option. |
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892 |
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893 size_t arg_len; |
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894 const char* equal_sign = strchr(argname, '='); |
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895 if (equal_sign == NULL) { |
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896 arg_len = strlen(argname); |
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897 } else { |
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898 arg_len = equal_sign - argname; |
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899 } |
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900 |
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901 Flag* found_flag = Flag::find_flag((const char*)argname, arg_len, true, true); |
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902 if (found_flag != NULL) { |
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903 char locked_message_buf[BUFLEN]; |
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904 found_flag->get_locked_message(locked_message_buf, BUFLEN); |
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905 if (strlen(locked_message_buf) == 0) { |
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906 if (found_flag->is_bool() && !has_plus_minus) { |
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907 jio_fprintf(defaultStream::error_stream(), |
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908 "Missing +/- setting for VM option '%s'\n", argname); |
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909 } else if (!found_flag->is_bool() && has_plus_minus) { |
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910 jio_fprintf(defaultStream::error_stream(), |
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911 "Unexpected +/- setting in VM option '%s'\n", argname); |
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912 } else { |
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913 jio_fprintf(defaultStream::error_stream(), |
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914 "Improperly specified VM option '%s'\n", argname); |
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915 } |
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916 } else { |
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917 jio_fprintf(defaultStream::error_stream(), "%s", locked_message_buf); |
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918 } |
6017 | 919 } else { |
920 jio_fprintf(defaultStream::error_stream(), | |
921 "Unrecognized VM option '%s'\n", argname); | |
11070 | 922 Flag* fuzzy_matched = Flag::fuzzy_match((const char*)argname, arg_len, true); |
923 if (fuzzy_matched != NULL) { | |
924 jio_fprintf(defaultStream::error_stream(), | |
925 "Did you mean '%s%s%s'?\n", | |
926 (fuzzy_matched->is_bool()) ? "(+/-)" : "", | |
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927 fuzzy_matched->_name, |
11070 | 928 (fuzzy_matched->is_bool()) ? "" : "=<value>"); |
929 } | |
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930 } |
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931 |
3250 | 932 // allow for commandline "commenting out" options like -XX:#+Verbose |
933 return arg[0] == '#'; | |
0 | 934 } |
935 | |
936 bool Arguments::process_settings_file(const char* file_name, bool should_exist, jboolean ignore_unrecognized) { | |
937 FILE* stream = fopen(file_name, "rb"); | |
938 if (stream == NULL) { | |
939 if (should_exist) { | |
940 jio_fprintf(defaultStream::error_stream(), | |
941 "Could not open settings file %s\n", file_name); | |
942 return false; | |
943 } else { | |
944 return true; | |
945 } | |
946 } | |
947 | |
948 char token[1024]; | |
949 int pos = 0; | |
950 | |
951 bool in_white_space = true; | |
952 bool in_comment = false; | |
953 bool in_quote = false; | |
954 char quote_c = 0; | |
955 bool result = true; | |
956 | |
957 int c = getc(stream); | |
6901 | 958 while(c != EOF && pos < (int)(sizeof(token)-1)) { |
0 | 959 if (in_white_space) { |
960 if (in_comment) { | |
961 if (c == '\n') in_comment = false; | |
962 } else { | |
963 if (c == '#') in_comment = true; | |
964 else if (!isspace(c)) { | |
965 in_white_space = false; | |
966 token[pos++] = c; | |
967 } | |
968 } | |
969 } else { | |
970 if (c == '\n' || (!in_quote && isspace(c))) { | |
971 // token ends at newline, or at unquoted whitespace | |
972 // this allows a way to include spaces in string-valued options | |
973 token[pos] = '\0'; | |
974 logOption(token); | |
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975 result &= process_argument(token, ignore_unrecognized, Flag::CONFIG_FILE); |
0 | 976 build_jvm_flags(token); |
977 pos = 0; | |
978 in_white_space = true; | |
979 in_quote = false; | |
980 } else if (!in_quote && (c == '\'' || c == '"')) { | |
981 in_quote = true; | |
982 quote_c = c; | |
983 } else if (in_quote && (c == quote_c)) { | |
984 in_quote = false; | |
985 } else { | |
986 token[pos++] = c; | |
987 } | |
988 } | |
989 c = getc(stream); | |
990 } | |
991 if (pos > 0) { | |
992 token[pos] = '\0'; | |
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993 result &= process_argument(token, ignore_unrecognized, Flag::CONFIG_FILE); |
0 | 994 build_jvm_flags(token); |
995 } | |
996 fclose(stream); | |
997 return result; | |
998 } | |
999 | |
1000 //============================================================================================================= | |
1001 // Parsing of properties (-D) | |
1002 | |
1003 const char* Arguments::get_property(const char* key) { | |
1004 return PropertyList_get_value(system_properties(), key); | |
1005 } | |
1006 | |
1007 bool Arguments::add_property(const char* prop) { | |
1008 const char* eq = strchr(prop, '='); | |
1009 char* key; | |
1010 // ns must be static--its address may be stored in a SystemProperty object. | |
1011 const static char ns[1] = {0}; | |
1012 char* value = (char *)ns; | |
1013 | |
1014 size_t key_len = (eq == NULL) ? strlen(prop) : (eq - prop); | |
6197 | 1015 key = AllocateHeap(key_len + 1, mtInternal); |
0 | 1016 strncpy(key, prop, key_len); |
1017 key[key_len] = '\0'; | |
1018 | |
1019 if (eq != NULL) { | |
1020 size_t value_len = strlen(prop) - key_len - 1; | |
6197 | 1021 value = AllocateHeap(value_len + 1, mtInternal); |
0 | 1022 strncpy(value, &prop[key_len + 1], value_len + 1); |
1023 } | |
1024 | |
1025 if (strcmp(key, "java.compiler") == 0) { | |
1026 process_java_compiler_argument(value); | |
1027 FreeHeap(key); | |
1028 if (eq != NULL) { | |
1029 FreeHeap(value); | |
1030 } | |
1031 return true; | |
691 | 1032 } else if (strcmp(key, "sun.java.command") == 0) { |
0 | 1033 _java_command = value; |
1034 | |
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1035 // Record value in Arguments, but let it get passed to Java. |
691 | 1036 } else if (strcmp(key, "sun.java.launcher.pid") == 0) { |
0 | 1037 // launcher.pid property is private and is processed |
1038 // in process_sun_java_launcher_properties(); | |
1039 // the sun.java.launcher property is passed on to the java application | |
1040 FreeHeap(key); | |
1041 if (eq != NULL) { | |
1042 FreeHeap(value); | |
1043 } | |
1044 return true; | |
691 | 1045 } else if (strcmp(key, "java.vendor.url.bug") == 0) { |
0 | 1046 // save it in _java_vendor_url_bug, so JVM fatal error handler can access |
1047 // its value without going through the property list or making a Java call. | |
1048 _java_vendor_url_bug = value; | |
691 | 1049 } else if (strcmp(key, "sun.boot.library.path") == 0) { |
1050 PropertyList_unique_add(&_system_properties, key, value, true); | |
1051 return true; | |
0 | 1052 } |
1053 // Create new property and add at the end of the list | |
1054 PropertyList_unique_add(&_system_properties, key, value); | |
1055 return true; | |
1056 } | |
1057 | |
1058 //=========================================================================================================== | |
1059 // Setting int/mixed/comp mode flags | |
1060 | |
1061 void Arguments::set_mode_flags(Mode mode) { | |
1062 // Set up default values for all flags. | |
1063 // If you add a flag to any of the branches below, | |
1064 // add a default value for it here. | |
1065 set_java_compiler(false); | |
1066 _mode = mode; | |
1067 | |
1068 // Ensure Agent_OnLoad has the correct initial values. | |
1069 // This may not be the final mode; mode may change later in onload phase. | |
1070 PropertyList_unique_add(&_system_properties, "java.vm.info", | |
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1071 (char*)VM_Version::vm_info_string(), false); |
0 | 1072 |
1073 UseInterpreter = true; | |
1074 UseCompiler = true; | |
1075 UseLoopCounter = true; | |
1076 | |
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1077 #ifndef ZERO |
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1078 // Turn these off for mixed and comp. Leave them on for Zero. |
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1079 if (FLAG_IS_DEFAULT(UseFastAccessorMethods)) { |
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1080 UseFastAccessorMethods = (mode == _int); |
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1081 } |
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1082 if (FLAG_IS_DEFAULT(UseFastEmptyMethods)) { |
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1083 UseFastEmptyMethods = (mode == _int); |
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1084 } |
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1085 #endif |
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1086 |
0 | 1087 // Default values may be platform/compiler dependent - |
1088 // use the saved values | |
1089 ClipInlining = Arguments::_ClipInlining; | |
1090 AlwaysCompileLoopMethods = Arguments::_AlwaysCompileLoopMethods; | |
1091 UseOnStackReplacement = Arguments::_UseOnStackReplacement; | |
1092 BackgroundCompilation = Arguments::_BackgroundCompilation; | |
1093 | |
1094 // Change from defaults based on mode | |
1095 switch (mode) { | |
1096 default: | |
1097 ShouldNotReachHere(); | |
1098 break; | |
1099 case _int: | |
1100 UseCompiler = false; | |
1101 UseLoopCounter = false; | |
1102 AlwaysCompileLoopMethods = false; | |
1103 UseOnStackReplacement = false; | |
1104 break; | |
1105 case _mixed: | |
1106 // same as default | |
1107 break; | |
1108 case _comp: | |
1109 UseInterpreter = false; | |
1110 BackgroundCompilation = false; | |
1111 ClipInlining = false; | |
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1112 // Be much more aggressive in tiered mode with -Xcomp and exercise C2 more. |
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1113 // We will first compile a level 3 version (C1 with full profiling), then do one invocation of it and |
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1114 // compile a level 4 (C2) and then continue executing it. |
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1115 if (TieredCompilation) { |
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1116 Tier3InvokeNotifyFreqLog = 0; |
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1117 Tier4InvocationThreshold = 0; |
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1118 } |
0 | 1119 break; |
1120 } | |
1121 } | |
1122 | |
12355 | 1123 #if defined(COMPILER2) || defined(GRAAL) || defined(_LP64) || !INCLUDE_CDS |
0 | 1124 // Conflict: required to use shared spaces (-Xshare:on), but |
1125 // incompatible command line options were chosen. | |
1126 | |
1127 static void no_shared_spaces() { | |
1128 if (RequireSharedSpaces) { | |
1129 jio_fprintf(defaultStream::error_stream(), | |
1130 "Class data sharing is inconsistent with other specified options.\n"); | |
1131 vm_exit_during_initialization("Unable to use shared archive.", NULL); | |
1132 } else { | |
1133 FLAG_SET_DEFAULT(UseSharedSpaces, false); | |
1134 } | |
1135 } | |
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1136 #endif |
0 | 1137 |
1783 | 1138 void Arguments::set_tiered_flags() { |
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1139 // With tiered, set default policy to AdvancedThresholdPolicy, which is 3. |
1783 | 1140 if (FLAG_IS_DEFAULT(CompilationPolicyChoice)) { |
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1141 FLAG_SET_DEFAULT(CompilationPolicyChoice, 3); |
1783 | 1142 } |
1143 if (CompilationPolicyChoice < 2) { | |
1144 vm_exit_during_initialization( | |
1145 "Incompatible compilation policy selected", NULL); | |
1146 } | |
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1147 // Increase the code cache size - tiered compiles a lot more. |
1783 | 1148 if (FLAG_IS_DEFAULT(ReservedCodeCacheSize)) { |
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1149 FLAG_SET_DEFAULT(ReservedCodeCacheSize, ReservedCodeCacheSize * 5); |
1783 | 1150 } |
10278 | 1151 if (!UseInterpreter) { // -Xcomp |
1152 Tier3InvokeNotifyFreqLog = 0; | |
1153 Tier4InvocationThreshold = 0; | |
1154 } | |
1783 | 1155 } |
1156 | |
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1157 #if INCLUDE_ALL_GCS |
4838 | 1158 static void disable_adaptive_size_policy(const char* collector_name) { |
1159 if (UseAdaptiveSizePolicy) { | |
1160 if (FLAG_IS_CMDLINE(UseAdaptiveSizePolicy)) { | |
1161 warning("disabling UseAdaptiveSizePolicy; it is incompatible with %s.", | |
1162 collector_name); | |
1163 } | |
1164 FLAG_SET_DEFAULT(UseAdaptiveSizePolicy, false); | |
1165 } | |
1166 } | |
1167 | |
0 | 1168 void Arguments::set_parnew_gc_flags() { |
1064 | 1169 assert(!UseSerialGC && !UseParallelOldGC && !UseParallelGC && !UseG1GC, |
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1170 "control point invariant"); |
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1171 assert(UseParNewGC, "Error"); |
0 | 1172 |
4838 | 1173 // Turn off AdaptiveSizePolicy for parnew until it is complete. |
1174 disable_adaptive_size_policy("UseParNewGC"); | |
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1175 |
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1176 if (FLAG_IS_DEFAULT(ParallelGCThreads)) { |
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1177 FLAG_SET_DEFAULT(ParallelGCThreads, Abstract_VM_Version::parallel_worker_threads()); |
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1178 assert(ParallelGCThreads > 0, "We should always have at least one thread by default"); |
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1179 } else if (ParallelGCThreads == 0) { |
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1180 jio_fprintf(defaultStream::error_stream(), |
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1181 "The ParNew GC can not be combined with -XX:ParallelGCThreads=0\n"); |
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1182 vm_exit(1); |
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1183 } |
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1184 |
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1185 // By default YoungPLABSize and OldPLABSize are set to 4096 and 1024 respectively, |
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1186 // these settings are default for Parallel Scavenger. For ParNew+Tenured configuration |
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1187 // we set them to 1024 and 1024. |
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1188 // See CR 6362902. |
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1189 if (FLAG_IS_DEFAULT(YoungPLABSize)) { |
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1190 FLAG_SET_DEFAULT(YoungPLABSize, (intx)1024); |
0 | 1191 } |
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1192 if (FLAG_IS_DEFAULT(OldPLABSize)) { |
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1193 FLAG_SET_DEFAULT(OldPLABSize, (intx)1024); |
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1194 } |
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1195 |
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1196 // AlwaysTenure flag should make ParNew promote all at first collection. |
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1197 // See CR 6362902. |
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1198 if (AlwaysTenure) { |
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1199 FLAG_SET_CMDLINE(uintx, MaxTenuringThreshold, 0); |
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1200 } |
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1201 // When using compressed oops, we use local overflow stacks, |
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1202 // rather than using a global overflow list chained through |
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1203 // the klass word of the object's pre-image. |
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1204 if (UseCompressedOops && !ParGCUseLocalOverflow) { |
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1205 if (!FLAG_IS_DEFAULT(ParGCUseLocalOverflow)) { |
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1206 warning("Forcing +ParGCUseLocalOverflow: needed if using compressed references"); |
0 | 1207 } |
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1208 FLAG_SET_DEFAULT(ParGCUseLocalOverflow, true); |
0 | 1209 } |
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1210 assert(ParGCUseLocalOverflow || !UseCompressedOops, "Error"); |
0 | 1211 } |
1212 | |
1213 // Adjust some sizes to suit CMS and/or ParNew needs; these work well on | |
1214 // sparc/solaris for certain applications, but would gain from | |
1215 // further optimization and tuning efforts, and would almost | |
1216 // certainly gain from analysis of platform and environment. | |
1217 void Arguments::set_cms_and_parnew_gc_flags() { | |
1064 | 1218 assert(!UseSerialGC && !UseParallelOldGC && !UseParallelGC, "Error"); |
10
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1219 assert(UseConcMarkSweepGC, "CMS is expected to be on here"); |
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1220 |
0 | 1221 // If we are using CMS, we prefer to UseParNewGC, |
1222 // unless explicitly forbidden. | |
342
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1223 if (FLAG_IS_DEFAULT(UseParNewGC)) { |
10
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1224 FLAG_SET_ERGO(bool, UseParNewGC, true); |
0 | 1225 } |
1226 | |
6854
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1227 // Turn off AdaptiveSizePolicy by default for cms until it is complete. |
4838 | 1228 disable_adaptive_size_policy("UseConcMarkSweepGC"); |
0 | 1229 |
1230 // In either case, adjust ParallelGCThreads and/or UseParNewGC | |
1231 // as needed. | |
10
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1232 if (UseParNewGC) { |
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1233 set_parnew_gc_flags(); |
0 | 1234 } |
1235 | |
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1236 size_t max_heap = align_size_down(MaxHeapSize, |
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1237 CardTableRS::ct_max_alignment_constraint()); |
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1238 |
0 | 1239 // Now make adjustments for CMS |
2368
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1240 intx tenuring_default = (intx)6; |
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1241 size_t young_gen_per_worker = CMSYoungGenPerWorker; |
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1242 |
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1243 // Preferred young gen size for "short" pauses: |
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1244 // upper bound depends on # of threads and NewRatio. |
0 | 1245 const uintx parallel_gc_threads = |
1246 (ParallelGCThreads == 0 ? 1 : ParallelGCThreads); | |
1247 const size_t preferred_max_new_size_unaligned = | |
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1248 MIN2(max_heap/(NewRatio+1), ScaleForWordSize(young_gen_per_worker * parallel_gc_threads)); |
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1249 size_t preferred_max_new_size = |
0 | 1250 align_size_up(preferred_max_new_size_unaligned, os::vm_page_size()); |
1251 | |
1252 // Unless explicitly requested otherwise, size young gen | |
2368
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1253 // for "short" pauses ~ CMSYoungGenPerWorker*ParallelGCThreads |
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1254 |
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1255 // If either MaxNewSize or NewRatio is set on the command line, |
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1256 // assume the user is trying to set the size of the young gen. |
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1257 if (FLAG_IS_DEFAULT(MaxNewSize) && FLAG_IS_DEFAULT(NewRatio)) { |
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1258 |
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1259 // Set MaxNewSize to our calculated preferred_max_new_size unless |
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1260 // NewSize was set on the command line and it is larger than |
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1261 // preferred_max_new_size. |
0 | 1262 if (!FLAG_IS_DEFAULT(NewSize)) { // NewSize explicitly set at command-line |
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1263 FLAG_SET_ERGO(uintx, MaxNewSize, MAX2(NewSize, preferred_max_new_size)); |
0 | 1264 } else { |
13
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1265 FLAG_SET_ERGO(uintx, MaxNewSize, preferred_max_new_size); |
0 | 1266 } |
1064 | 1267 if (PrintGCDetails && Verbose) { |
13
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1268 // Too early to use gclog_or_tty |
2368
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1269 tty->print_cr("CMS ergo set MaxNewSize: " SIZE_FORMAT, MaxNewSize); |
886
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1270 } |
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1271 |
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1272 // Code along this path potentially sets NewSize and OldSize |
1064 | 1273 if (PrintGCDetails && Verbose) { |
13
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1274 // Too early to use gclog_or_tty |
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1275 tty->print_cr("CMS set min_heap_size: " SIZE_FORMAT |
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1276 " initial_heap_size: " SIZE_FORMAT |
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1277 " max_heap: " SIZE_FORMAT, |
1064 | 1278 min_heap_size(), InitialHeapSize, max_heap); |
13
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1279 } |
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1280 size_t min_new = preferred_max_new_size; |
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1281 if (FLAG_IS_CMDLINE(NewSize)) { |
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1282 min_new = NewSize; |
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1283 } |
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1284 if (max_heap > min_new && min_heap_size() > min_new) { |
0 | 1285 // Unless explicitly requested otherwise, make young gen |
1286 // at least min_new, and at most preferred_max_new_size. | |
1287 if (FLAG_IS_DEFAULT(NewSize)) { | |
13
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1288 FLAG_SET_ERGO(uintx, NewSize, MAX2(NewSize, min_new)); |
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1289 FLAG_SET_ERGO(uintx, NewSize, MIN2(preferred_max_new_size, NewSize)); |
1064 | 1290 if (PrintGCDetails && Verbose) { |
13
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1291 // Too early to use gclog_or_tty |
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1292 tty->print_cr("CMS ergo set NewSize: " SIZE_FORMAT, NewSize); |
13
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1293 } |
0 | 1294 } |
1295 // Unless explicitly requested otherwise, size old gen | |
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1296 // so it's NewRatio x of NewSize. |
0 | 1297 if (FLAG_IS_DEFAULT(OldSize)) { |
1298 if (max_heap > NewSize) { | |
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1299 FLAG_SET_ERGO(uintx, OldSize, MIN2(NewRatio*NewSize, max_heap - NewSize)); |
1064 | 1300 if (PrintGCDetails && Verbose) { |
13
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1301 // Too early to use gclog_or_tty |
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1302 tty->print_cr("CMS ergo set OldSize: " SIZE_FORMAT, OldSize); |
13
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1303 } |
0 | 1304 } |
1305 } | |
1306 } | |
1307 } | |
1308 // Unless explicitly requested otherwise, definitely | |
1309 // promote all objects surviving "tenuring_default" scavenges. | |
1310 if (FLAG_IS_DEFAULT(MaxTenuringThreshold) && | |
1311 FLAG_IS_DEFAULT(SurvivorRatio)) { | |
6818 | 1312 FLAG_SET_ERGO(uintx, MaxTenuringThreshold, tenuring_default); |
0 | 1313 } |
1314 // If we decided above (or user explicitly requested) | |
1315 // `promote all' (via MaxTenuringThreshold := 0), | |
1316 // prefer minuscule survivor spaces so as not to waste | |
1317 // space for (non-existent) survivors | |
1318 if (FLAG_IS_DEFAULT(SurvivorRatio) && MaxTenuringThreshold == 0) { | |
8035 | 1319 FLAG_SET_ERGO(uintx, SurvivorRatio, MAX2((uintx)1024, SurvivorRatio)); |
0 | 1320 } |
1321 // If OldPLABSize is set and CMSParPromoteBlocksToClaim is not, | |
1322 // set CMSParPromoteBlocksToClaim equal to OldPLABSize. | |
1323 // This is done in order to make ParNew+CMS configuration to work | |
1324 // with YoungPLABSize and OldPLABSize options. | |
1325 // See CR 6362902. | |
1326 if (!FLAG_IS_DEFAULT(OldPLABSize)) { | |
1327 if (FLAG_IS_DEFAULT(CMSParPromoteBlocksToClaim)) { | |
13
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1328 // OldPLABSize is not the default value but CMSParPromoteBlocksToClaim |
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1329 // is. In this situtation let CMSParPromoteBlocksToClaim follow |
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1330 // the value (either from the command line or ergonomics) of |
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1331 // OldPLABSize. Following OldPLABSize is an ergonomics decision. |
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1332 FLAG_SET_ERGO(uintx, CMSParPromoteBlocksToClaim, OldPLABSize); |
1145
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1333 } else { |
0 | 1334 // OldPLABSize and CMSParPromoteBlocksToClaim are both set. |
1335 // CMSParPromoteBlocksToClaim is a collector-specific flag, so | |
1336 // we'll let it to take precedence. | |
1337 jio_fprintf(defaultStream::error_stream(), | |
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1338 "Both OldPLABSize and CMSParPromoteBlocksToClaim" |
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1339 " options are specified for the CMS collector." |
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1340 " CMSParPromoteBlocksToClaim will take precedence.\n"); |
0 | 1341 } |
1342 } | |
1145
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1343 if (!FLAG_IS_DEFAULT(ResizeOldPLAB) && !ResizeOldPLAB) { |
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1344 // OldPLAB sizing manually turned off: Use a larger default setting, |
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1345 // unless it was manually specified. This is because a too-low value |
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1346 // will slow down scavenges. |
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1347 if (FLAG_IS_DEFAULT(CMSParPromoteBlocksToClaim)) { |
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1348 FLAG_SET_ERGO(uintx, CMSParPromoteBlocksToClaim, 50); // default value before 6631166 |
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1349 } |
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1350 } |
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1351 // Overwrite OldPLABSize which is the variable we will internally use everywhere. |
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1352 FLAG_SET_ERGO(uintx, OldPLABSize, CMSParPromoteBlocksToClaim); |
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1353 // If either of the static initialization defaults have changed, note this |
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1354 // modification. |
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1355 if (!FLAG_IS_DEFAULT(CMSParPromoteBlocksToClaim) || !FLAG_IS_DEFAULT(OldPLABWeight)) { |
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1356 CFLS_LAB::modify_initialization(OldPLABSize, OldPLABWeight); |
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1357 } |
1284 | 1358 if (PrintGCDetails && Verbose) { |
1359 tty->print_cr("MarkStackSize: %uk MarkStackSizeMax: %uk", | |
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1360 (unsigned int) (MarkStackSize / K), (uint) (MarkStackSizeMax / K)); |
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1361 tty->print_cr("ConcGCThreads: %u", (uint) ConcGCThreads); |
1284 | 1362 } |
0 | 1363 } |
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1364 #endif // INCLUDE_ALL_GCS |
0 | 1365 |
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1366 void set_object_alignment() { |
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1367 // Object alignment. |
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1368 assert(is_power_of_2(ObjectAlignmentInBytes), "ObjectAlignmentInBytes must be power of 2"); |
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1369 MinObjAlignmentInBytes = ObjectAlignmentInBytes; |
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1370 assert(MinObjAlignmentInBytes >= HeapWordsPerLong * HeapWordSize, "ObjectAlignmentInBytes value is too small"); |
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1371 MinObjAlignment = MinObjAlignmentInBytes / HeapWordSize; |
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1372 assert(MinObjAlignmentInBytes == MinObjAlignment * HeapWordSize, "ObjectAlignmentInBytes value is incorrect"); |
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1373 MinObjAlignmentInBytesMask = MinObjAlignmentInBytes - 1; |
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1374 |
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1375 LogMinObjAlignmentInBytes = exact_log2(ObjectAlignmentInBytes); |
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1376 LogMinObjAlignment = LogMinObjAlignmentInBytes - LogHeapWordSize; |
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1377 |
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1378 // Oop encoding heap max |
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1379 OopEncodingHeapMax = (uint64_t(max_juint) + 1) << LogMinObjAlignmentInBytes; |
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1380 |
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1381 #if INCLUDE_ALL_GCS |
1571
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
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|
1382 // Set CMS global values |
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
1383 CompactibleFreeListSpace::set_cms_values(); |
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
1384 #endif // INCLUDE_ALL_GCS |
1571
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
1385 } |
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
1386 |
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
1387 bool 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
|
1388 // Object alignment. |
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
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|
1389 if (!is_power_of_2(ObjectAlignmentInBytes)) { |
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
1390 jio_fprintf(defaultStream::error_stream(), |
1829
fe08403130db
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
1796
diff
changeset
|
1391 "error: ObjectAlignmentInBytes=%d must be power of 2\n", |
fe08403130db
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
1796
diff
changeset
|
1392 (int)ObjectAlignmentInBytes); |
1571
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
1393 return false; |
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
1394 } |
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
1395 if ((int)ObjectAlignmentInBytes < BytesPerLong) { |
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
1396 jio_fprintf(defaultStream::error_stream(), |
1829
fe08403130db
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
1796
diff
changeset
|
1397 "error: ObjectAlignmentInBytes=%d must be greater or equal %d\n", |
fe08403130db
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
1796
diff
changeset
|
1398 (int)ObjectAlignmentInBytes, BytesPerLong); |
fe08403130db
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
1796
diff
changeset
|
1399 return false; |
fe08403130db
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
1796
diff
changeset
|
1400 } |
fe08403130db
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
1796
diff
changeset
|
1401 // It does not make sense to have big object alignment |
fe08403130db
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
1796
diff
changeset
|
1402 // since a space lost due to alignment will be greater |
fe08403130db
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
1796
diff
changeset
|
1403 // then a saved space from compressed oops. |
fe08403130db
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
1796
diff
changeset
|
1404 if ((int)ObjectAlignmentInBytes > 256) { |
fe08403130db
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
1796
diff
changeset
|
1405 jio_fprintf(defaultStream::error_stream(), |
7461
561148896559
8005076: Creating a CDS archive with one alignment and running another causes a crash.
hseigel
parents:
7458
diff
changeset
|
1406 "error: ObjectAlignmentInBytes=%d must not be greater than 256\n", |
1829
fe08403130db
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
1796
diff
changeset
|
1407 (int)ObjectAlignmentInBytes); |
fe08403130db
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
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parents:
1796
diff
changeset
|
1408 return false; |
fe08403130db
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
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parents:
1796
diff
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|
1409 } |
fe08403130db
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
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parents:
1796
diff
changeset
|
1410 // In case page size is very small. |
fe08403130db
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
1796
diff
changeset
|
1411 if ((int)ObjectAlignmentInBytes >= os::vm_page_size()) { |
fe08403130db
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
1796
diff
changeset
|
1412 jio_fprintf(defaultStream::error_stream(), |
7461
561148896559
8005076: Creating a CDS archive with one alignment and running another causes a crash.
hseigel
parents:
7458
diff
changeset
|
1413 "error: ObjectAlignmentInBytes=%d must be less than page size %d\n", |
1829
fe08403130db
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
1796
diff
changeset
|
1414 (int)ObjectAlignmentInBytes, os::vm_page_size()); |
1571
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
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|
1415 return false; |
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
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1506
diff
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|
1416 } |
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
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diff
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|
1417 return true; |
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
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diff
changeset
|
1418 } |
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
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parents:
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diff
changeset
|
1419 |
12233
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
1420 uintx Arguments::max_heap_for_compressed_oops() { |
1963 | 1421 // Avoid sign flip. |
12056
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1422 assert(OopEncodingHeapMax > (uint64_t)os::vm_page_size(), "Unusual page size"); |
12233
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
1423 // We need to fit both the NULL page and the heap into the memory budget, while |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
1424 // keeping alignment constraints of the heap. To guarantee the latter, as the |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
1425 // NULL page is located before the heap, we pad the NULL page to the conservative |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
1426 // maximum alignment that the GC may ever impose upon the heap. |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
1427 size_t displacement_due_to_null_page = align_size_up_(os::vm_page_size(), |
13059
46d7652b223c
8026853: Prepare GC code for collector policy regression fix
jwilhelm
parents:
13008
diff
changeset
|
1428 _conservative_max_heap_alignment); |
12233
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
1429 |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
1430 LP64_ONLY(return OopEncodingHeapMax - displacement_due_to_null_page); |
1064 | 1431 NOT_LP64(ShouldNotReachHere(); return 0); |
135
b7268662a986
6689523: max heap calculation for compressed oops is off by MaxPermSize
coleenp
parents:
113
diff
changeset
|
1432 } |
b7268662a986
6689523: max heap calculation for compressed oops is off by MaxPermSize
coleenp
parents:
113
diff
changeset
|
1433 |
0 | 1434 bool Arguments::should_auto_select_low_pause_collector() { |
1435 if (UseAutoGCSelectPolicy && | |
1436 !FLAG_IS_DEFAULT(MaxGCPauseMillis) && | |
1437 (MaxGCPauseMillis <= AutoGCSelectPauseMillis)) { | |
1438 if (PrintGCDetails) { | |
1439 // Cannot use gclog_or_tty yet. | |
1440 tty->print_cr("Automatic selection of the low pause collector" | |
17937
78bbf4d43a14
8037816: Fix for 8036122 breaks build with Xcode5/clang
drchase
parents:
17906
diff
changeset
|
1441 " based on pause goal of %d (ms)", (int) MaxGCPauseMillis); |
0 | 1442 } |
1443 return true; | |
1444 } | |
1445 return false; | |
1446 } | |
1447 | |
8741
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1448 void Arguments::set_use_compressed_oops() { |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1449 #ifndef ZERO |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1450 #ifdef _LP64 |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1451 // MaxHeapSize is not set up properly at this point, but |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1452 // the only value that can override MaxHeapSize if we are |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1453 // to use UseCompressedOops is InitialHeapSize. |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1454 size_t max_heap_size = MAX2(MaxHeapSize, InitialHeapSize); |
17179
6d8ae4c6725f
[SPARC] UseCompressedOops defaulting to false on SPARC && GRAAL
Stefan Anzinger <stefan.anzinger@oracle.com>
parents:
16623
diff
changeset
|
1455 // Set default on graal with sparc to not use compressed oops as long they are not implemented |
6d8ae4c6725f
[SPARC] UseCompressedOops defaulting to false on SPARC && GRAAL
Stefan Anzinger <stefan.anzinger@oracle.com>
parents:
16623
diff
changeset
|
1456 #if defined(GRAAL) && defined(TARGET_ARCH_sparc) |
6d8ae4c6725f
[SPARC] UseCompressedOops defaulting to false on SPARC && GRAAL
Stefan Anzinger <stefan.anzinger@oracle.com>
parents:
16623
diff
changeset
|
1457 FLAG_SET_DEFAULT(UseCompressedOops, false); |
6d8ae4c6725f
[SPARC] UseCompressedOops defaulting to false on SPARC && GRAAL
Stefan Anzinger <stefan.anzinger@oracle.com>
parents:
16623
diff
changeset
|
1458 #else // if !(GRAAL && SOLARIS) |
8741
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1459 if (max_heap_size <= max_heap_for_compressed_oops()) { |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1460 #if !defined(COMPILER1) || defined(TIERED) |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1461 if (FLAG_IS_DEFAULT(UseCompressedOops)) { |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1462 FLAG_SET_ERGO(bool, UseCompressedOops, true); |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1463 } |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1464 #endif |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1465 #ifdef _WIN64 |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1466 if (UseLargePages && UseCompressedOops) { |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1467 // Cannot allocate guard pages for implicit checks in indexed addressing |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1468 // mode, when large pages are specified on windows. |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1469 // This flag could be switched ON if narrow oop base address is set to 0, |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1470 // see code in Universe::initialize_heap(). |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1471 Universe::set_narrow_oop_use_implicit_null_checks(false); |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1472 } |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1473 #endif // _WIN64 |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1474 } else { |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1475 if (UseCompressedOops && !FLAG_IS_DEFAULT(UseCompressedOops)) { |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1476 warning("Max heap size too large for Compressed Oops"); |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1477 FLAG_SET_DEFAULT(UseCompressedOops, false); |
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
1478 FLAG_SET_DEFAULT(UseCompressedClassPointers, false); |
8741
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1479 } |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1480 } |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1481 #endif // _LP64 |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1482 #endif // ZERO |
17179
6d8ae4c6725f
[SPARC] UseCompressedOops defaulting to false on SPARC && GRAAL
Stefan Anzinger <stefan.anzinger@oracle.com>
parents:
16623
diff
changeset
|
1483 #endif // !(GRAAL && SOLARIS) |
8741
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1484 } |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1485 |
12056
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1486 |
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1487 // NOTE: set_use_compressed_klass_ptrs() must be called after calling |
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1488 // set_use_compressed_oops(). |
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1489 void Arguments::set_use_compressed_klass_ptrs() { |
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1490 #ifndef ZERO |
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1491 #ifdef _LP64 |
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
1492 // UseCompressedOops must be on for UseCompressedClassPointers to be on. |
12056
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1493 if (!UseCompressedOops) { |
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
1494 if (UseCompressedClassPointers) { |
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
1495 warning("UseCompressedClassPointers requires UseCompressedOops"); |
12056
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1496 } |
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
1497 FLAG_SET_DEFAULT(UseCompressedClassPointers, false); |
12056
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1498 } else { |
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
1499 // Turn on UseCompressedClassPointers too |
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
1500 if (FLAG_IS_DEFAULT(UseCompressedClassPointers)) { |
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
1501 FLAG_SET_ERGO(bool, UseCompressedClassPointers, true); |
12056
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1502 } |
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
1503 // Check the CompressedClassSpaceSize to make sure we use compressed klass ptrs. |
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
1504 if (UseCompressedClassPointers) { |
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
1505 if (CompressedClassSpaceSize > KlassEncodingMetaspaceMax) { |
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
1506 warning("CompressedClassSpaceSize is too large for UseCompressedClassPointers"); |
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
1507 FLAG_SET_DEFAULT(UseCompressedClassPointers, false); |
12056
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1508 } |
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1509 } |
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1510 } |
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
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diff
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|
1511 #endif // _LP64 |
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|
1512 #endif // !ZERO |
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|
1513 } |
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|
1514 |
12233
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|
1515 void Arguments::set_conservative_max_heap_alignment() { |
40136aa2cdb1
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|
1516 // 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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|
1517 // the alignments imposed by several sources: any requirements from the heap |
40136aa2cdb1
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|
1518 // itself, the collector policy and the maximum page size we may run the VM |
40136aa2cdb1
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diff
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|
1519 // with. |
40136aa2cdb1
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|
1520 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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|
1521 #if INCLUDE_ALL_GCS |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
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|
1522 if (UseParallelGC) { |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
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|
1523 heap_alignment = ParallelScavengeHeap::conservative_max_heap_alignment(); |
40136aa2cdb1
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|
1524 } else if (UseG1GC) { |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
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|
1525 heap_alignment = G1CollectedHeap::conservative_max_heap_alignment(); |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
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|
1526 } |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
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|
1527 #endif // INCLUDE_ALL_GCS |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
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|
1528 _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
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|
1529 CollectorPolicy::compute_heap_alignment()); |
12233
40136aa2cdb1
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|
1530 } |
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|
1531 |
0 | 1532 void Arguments::set_ergonomics_flags() { |
1533 | |
4946 | 1534 if (os::is_server_class_machine()) { |
0 | 1535 // If no other collector is requested explicitly, |
1536 // let the VM select the collector based on | |
1537 // machine class and automatic selection policy. | |
1538 if (!UseSerialGC && | |
1539 !UseConcMarkSweepGC && | |
342
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|
1540 !UseG1GC && |
0 | 1541 !UseParNewGC && |
1542 FLAG_IS_DEFAULT(UseParallelGC)) { | |
1543 if (should_auto_select_low_pause_collector()) { | |
1544 FLAG_SET_ERGO(bool, UseConcMarkSweepGC, true); | |
1545 } else { | |
1546 FLAG_SET_ERGO(bool, UseParallelGC, true); | |
1547 } | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
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diff
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|
1548 } |
0 | 1549 } |
12355 | 1550 #if defined(COMPILER2) || defined(GRAAL) |
12280
9ed97b511b26
8024517: runtime/CDSCompressedKPtrs/XShareAuto.java failed with RuntimeException
hseigel
parents:
12276
diff
changeset
|
1551 // Shared spaces work fine with other GCs but causes bytecode rewriting |
9ed97b511b26
8024517: runtime/CDSCompressedKPtrs/XShareAuto.java failed with RuntimeException
hseigel
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diff
changeset
|
1552 // to be disabled, which hurts interpreter performance and decreases |
9ed97b511b26
8024517: runtime/CDSCompressedKPtrs/XShareAuto.java failed with RuntimeException
hseigel
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|
1553 // 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
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|
1554 // unless it is asked for. Future work: either add bytecode rewriting |
9ed97b511b26
8024517: runtime/CDSCompressedKPtrs/XShareAuto.java failed with RuntimeException
hseigel
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diff
changeset
|
1555 // 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
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|
1556 if (!DumpSharedSpaces && !RequireSharedSpaces && |
9ed97b511b26
8024517: runtime/CDSCompressedKPtrs/XShareAuto.java failed with RuntimeException
hseigel
parents:
12276
diff
changeset
|
1557 (FLAG_IS_DEFAULT(UseSharedSpaces) || !UseSharedSpaces)) { |
9ed97b511b26
8024517: runtime/CDSCompressedKPtrs/XShareAuto.java failed with RuntimeException
hseigel
parents:
12276
diff
changeset
|
1558 no_shared_spaces(); |
9ed97b511b26
8024517: runtime/CDSCompressedKPtrs/XShareAuto.java failed with RuntimeException
hseigel
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12276
diff
changeset
|
1559 } |
9ed97b511b26
8024517: runtime/CDSCompressedKPtrs/XShareAuto.java failed with RuntimeException
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|
1560 #endif |
113
ba764ed4b6f2
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diff
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|
1561 |
12233
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|
1562 set_conservative_max_heap_alignment(); |
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|
1563 |
1010 | 1564 #ifndef ZERO |
113
ba764ed4b6f2
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76
diff
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|
1565 #ifdef _LP64 |
8741
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
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|
1566 set_use_compressed_oops(); |
12056
740e263c80c6
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hseigel
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changeset
|
1567 |
740e263c80c6
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hseigel
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diff
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|
1568 // set_use_compressed_klass_ptrs() must be called after calling |
740e263c80c6
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diff
changeset
|
1569 // set_use_compressed_oops(). |
740e263c80c6
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|
1570 set_use_compressed_klass_ptrs(); |
740e263c80c6
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|
1571 |
113
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|
1572 // Also checks that certain machines are slower with compressed oops |
ba764ed4b6f2
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diff
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|
1573 // in vm_version initialization code. |
ba764ed4b6f2
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coleenp
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diff
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|
1574 #endif // _LP64 |
1010 | 1575 #endif // !ZERO |
0 | 1576 } |
1577 | |
1578 void Arguments::set_parallel_gc_flags() { | |
342
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diff
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|
1579 assert(UseParallelGC || UseParallelOldGC, "Error"); |
4879 | 1580 // Enable ParallelOld unless it was explicitly disabled (cmd line or rc file). |
1581 if (FLAG_IS_DEFAULT(UseParallelOldGC)) { | |
1582 FLAG_SET_DEFAULT(UseParallelOldGC, true); | |
0 | 1583 } |
4879 | 1584 FLAG_SET_DEFAULT(UseParallelGC, true); |
0 | 1585 |
1586 // If no heap maximum was requested explicitly, use some reasonable fraction | |
1587 // of the physical memory, up to a maximum of 1GB. | |
7471
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1588 FLAG_SET_DEFAULT(ParallelGCThreads, |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1589 Abstract_VM_Version::parallel_worker_threads()); |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
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7453
diff
changeset
|
1590 if (ParallelGCThreads == 0) { |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1591 jio_fprintf(defaultStream::error_stream(), |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
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diff
changeset
|
1592 "The Parallel GC can not be combined with -XX:ParallelGCThreads=0\n"); |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
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7453
diff
changeset
|
1593 vm_exit(1); |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
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diff
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|
1594 } |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1595 |
17648
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14260
diff
changeset
|
1596 if (UseAdaptiveSizePolicy) { |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14260
diff
changeset
|
1597 // We don't want to limit adaptive heap sizing's freedom to adjust the heap |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
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14260
diff
changeset
|
1598 // unless the user actually sets these flags. |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
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14260
diff
changeset
|
1599 if (FLAG_IS_DEFAULT(MinHeapFreeRatio)) { |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
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14260
diff
changeset
|
1600 FLAG_SET_DEFAULT(MinHeapFreeRatio, 0); |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14260
diff
changeset
|
1601 } |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14260
diff
changeset
|
1602 if (FLAG_IS_DEFAULT(MaxHeapFreeRatio)) { |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14260
diff
changeset
|
1603 FLAG_SET_DEFAULT(MaxHeapFreeRatio, 100); |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14260
diff
changeset
|
1604 } |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14260
diff
changeset
|
1605 } |
7471
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1606 |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1607 // 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
|
1608 // 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
|
1609 // 2. By doing this we make SurvivorRatio also work for Parallel Scavenger. |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1610 // See CR 6362902 for details. |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
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7453
diff
changeset
|
1611 if (!FLAG_IS_DEFAULT(SurvivorRatio)) { |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1612 if (FLAG_IS_DEFAULT(InitialSurvivorRatio)) { |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1613 FLAG_SET_DEFAULT(InitialSurvivorRatio, SurvivorRatio + 2); |
0 | 1614 } |
7471
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
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7453
diff
changeset
|
1615 if (FLAG_IS_DEFAULT(MinSurvivorRatio)) { |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1616 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
|
1617 } |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
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7453
diff
changeset
|
1618 } |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
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7453
diff
changeset
|
1619 |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
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7453
diff
changeset
|
1620 if (UseParallelOldGC) { |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
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7453
diff
changeset
|
1621 // Par compact uses lower default values since they are treated as |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1622 // minimums. These are different defaults because of the different |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
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7453
diff
changeset
|
1623 // interpretation and are not ergonomically set. |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
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7453
diff
changeset
|
1624 if (FLAG_IS_DEFAULT(MarkSweepDeadRatio)) { |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
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7453
diff
changeset
|
1625 FLAG_SET_DEFAULT(MarkSweepDeadRatio, 1); |
0 | 1626 } |
1627 } | |
1628 } | |
1629 | |
342
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6711316: Open source the Garbage-First garbage collector
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diff
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|
1630 void Arguments::set_g1_gc_flags() { |
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diff
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|
1631 assert(UseG1GC, "Error"); |
7125
1baf7f1e3f23
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Doug Simon <doug.simon@oracle.com>
parents:
7066
diff
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|
1632 #if defined(COMPILER1) || defined(GRAAL) |
342
37f87013dfd8
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|
1633 FastTLABRefill = false; |
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135
diff
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|
1634 #endif |
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|
1635 FLAG_SET_DEFAULT(ParallelGCThreads, |
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135
diff
changeset
|
1636 Abstract_VM_Version::parallel_worker_threads()); |
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diff
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|
1637 if (ParallelGCThreads == 0) { |
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|
1638 FLAG_SET_DEFAULT(ParallelGCThreads, |
751 | 1639 Abstract_VM_Version::parallel_worker_threads()); |
342
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|
1640 } |
751 | 1641 |
7397
442f942757c0
8000244: G1: Ergonomically set MarkStackSize and use virtual space for global marking stack
johnc
parents:
7177
diff
changeset
|
1642 // 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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|
1643 // 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
|
1644 // 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
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|
1645 // 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
|
1646 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
|
1647 FLAG_SET_DEFAULT(MarkStackSizeMax, 128 * TASKQUEUE_SIZE); |
1284 | 1648 } |
1356 | 1649 |
1650 if (FLAG_IS_DEFAULT(GCTimeRatio) || GCTimeRatio == 0) { | |
1651 // In G1, we want the default GC overhead goal to be higher than | |
1652 // say in PS. So we set it here to 10%. Otherwise the heap might | |
1653 // be expanded more aggressively than we would like it to. In | |
1654 // fact, even 10% seems to not be high enough in some cases | |
1655 // (especially small GC stress tests that the main thing they do | |
1656 // is allocation). We might consider increase it further. | |
1657 FLAG_SET_DEFAULT(GCTimeRatio, 9); | |
1658 } | |
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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|
1659 |
442f942757c0
8000244: G1: Ergonomically set MarkStackSize and use virtual space for global marking stack
johnc
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7177
diff
changeset
|
1660 if (PrintGCDetails && Verbose) { |
442f942757c0
8000244: G1: Ergonomically set MarkStackSize and use virtual space for global marking stack
johnc
parents:
7177
diff
changeset
|
1661 tty->print_cr("MarkStackSize: %uk MarkStackSizeMax: %uk", |
17937
78bbf4d43a14
8037816: Fix for 8036122 breaks build with Xcode5/clang
drchase
parents:
17906
diff
changeset
|
1662 (unsigned int) (MarkStackSize / K), (uint) (MarkStackSizeMax / K)); |
78bbf4d43a14
8037816: Fix for 8036122 breaks build with Xcode5/clang
drchase
parents:
17906
diff
changeset
|
1663 tty->print_cr("ConcGCThreads: %u", (uint) ConcGCThreads); |
7397
442f942757c0
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7177
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|
1664 } |
342
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|
1665 } |
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|
1666 |
8854
754c24457b20
7112912: Message "Error occurred during initialization of VM" on boxes with lots of RAM
tschatzl
parents:
8824
diff
changeset
|
1667 julong Arguments::limit_by_allocatable_memory(julong limit) { |
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1668 julong max_allocatable; |
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1669 julong result = limit; |
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|
1670 if (os::has_allocatable_memory_limit(&max_allocatable)) { |
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1671 result = MIN2(result, max_allocatable / MaxVirtMemFraction); |
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|
1672 } |
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|
1673 return result; |
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|
1674 } |
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|
1675 |
1064 | 1676 void Arguments::set_heap_size() { |
1677 if (!FLAG_IS_DEFAULT(DefaultMaxRAMFraction)) { | |
1678 // Deprecated flag | |
1679 FLAG_SET_CMDLINE(uintx, MaxRAMFraction, DefaultMaxRAMFraction); | |
1680 } | |
1681 | |
1682 const julong phys_mem = | |
1683 FLAG_IS_DEFAULT(MaxRAM) ? MIN2(os::physical_memory(), (julong)MaxRAM) | |
1684 : (julong)MaxRAM; | |
1685 | |
1686 // If the maximum heap size has not been set with -Xmx, | |
1687 // then set it as fraction of the size of physical memory, | |
1688 // respecting the maximum and minimum sizes of the heap. | |
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1689 if (FLAG_IS_DEFAULT(MaxHeapSize)) { |
1064 | 1690 julong reasonable_max = phys_mem / MaxRAMFraction; |
1691 | |
1692 if (phys_mem <= MaxHeapSize * MinRAMFraction) { | |
1693 // Small physical memory, so use a minimum fraction of it for the heap | |
1694 reasonable_max = phys_mem / MinRAMFraction; | |
1695 } else { | |
1696 // Not-small physical memory, so require a heap at least | |
1697 // as large as MaxHeapSize | |
1698 reasonable_max = MAX2(reasonable_max, (julong)MaxHeapSize); | |
1699 } | |
1700 if (!FLAG_IS_DEFAULT(ErgoHeapSizeLimit) && ErgoHeapSizeLimit != 0) { | |
1701 // Limit the heap size to ErgoHeapSizeLimit | |
1702 reasonable_max = MIN2(reasonable_max, (julong)ErgoHeapSizeLimit); | |
342
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1703 } |
1064 | 1704 if (UseCompressedOops) { |
1705 // Limit the heap size to the maximum possible when using compressed oops | |
1963 | 1706 julong max_coop_heap = (julong)max_heap_for_compressed_oops(); |
1707 if (HeapBaseMinAddress + MaxHeapSize < max_coop_heap) { | |
1708 // Heap should be above HeapBaseMinAddress to get zero based compressed oops | |
1709 // but it should be not less than default MaxHeapSize. | |
1710 max_coop_heap -= HeapBaseMinAddress; | |
1711 } | |
1712 reasonable_max = MIN2(reasonable_max, max_coop_heap); | |
1064 | 1713 } |
8854
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1714 reasonable_max = limit_by_allocatable_memory(reasonable_max); |
1064 | 1715 |
1716 if (!FLAG_IS_DEFAULT(InitialHeapSize)) { | |
1717 // An initial heap size was specified on the command line, | |
1718 // so be sure that the maximum size is consistent. Done | |
8854
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1719 // after call to limit_by_allocatable_memory because that |
1064 | 1720 // method might reduce the allocation size. |
1721 reasonable_max = MAX2(reasonable_max, (julong)InitialHeapSize); | |
1722 } | |
1723 | |
342
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1724 if (PrintGCDetails && Verbose) { |
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|
1725 // Cannot use gclog_or_tty yet. |
17937
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1726 tty->print_cr(" Maximum heap size " SIZE_FORMAT, (size_t) reasonable_max); |
342
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1727 } |
1064 | 1728 FLAG_SET_ERGO(uintx, MaxHeapSize, (uintx)reasonable_max); |
1729 } | |
1730 | |
10241
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1731 // If the minimum or initial heap_size have not been set or requested to be set |
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1732 // ergonomically, set them accordingly. |
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1733 if (InitialHeapSize == 0 || min_heap_size() == 0) { |
1074
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1734 julong reasonable_minimum = (julong)(OldSize + NewSize); |
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1735 |
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1736 reasonable_minimum = MIN2(reasonable_minimum, (julong)MaxHeapSize); |
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1737 |
8854
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1738 reasonable_minimum = limit_by_allocatable_memory(reasonable_minimum); |
1074
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1739 |
10241
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1740 if (InitialHeapSize == 0) { |
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1741 julong reasonable_initial = phys_mem / InitialRAMFraction; |
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1742 |
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1743 reasonable_initial = MAX3(reasonable_initial, reasonable_minimum, (julong)min_heap_size()); |
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1744 reasonable_initial = MIN2(reasonable_initial, (julong)MaxHeapSize); |
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1745 |
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1746 reasonable_initial = limit_by_allocatable_memory(reasonable_initial); |
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1747 |
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1748 if (PrintGCDetails && Verbose) { |
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1749 // Cannot use gclog_or_tty yet. |
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1750 tty->print_cr(" Initial heap size " SIZE_FORMAT, (uintx)reasonable_initial); |
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|
1751 } |
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1752 FLAG_SET_ERGO(uintx, InitialHeapSize, (uintx)reasonable_initial); |
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1753 } |
10241
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1754 // If the minimum heap size has not been set (via -Xms), |
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1755 // synchronize with InitialHeapSize to avoid errors with the default value. |
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1756 if (min_heap_size() == 0) { |
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|
1757 set_min_heap_size(MIN2((uintx)reasonable_minimum, InitialHeapSize)); |
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1758 if (PrintGCDetails && Verbose) { |
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1759 // Cannot use gclog_or_tty yet. |
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1760 tty->print_cr(" Minimum heap size " SIZE_FORMAT, min_heap_size()); |
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|
1761 } |
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|
1762 } |
342
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|
1763 } |
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|
1764 } |
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|
1765 |
0 | 1766 // This must be called after ergonomics because we want bytecode rewriting |
1767 // if the server compiler is used, or if UseSharedSpaces is disabled. | |
1768 void Arguments::set_bytecode_flags() { | |
1769 // Better not attempt to store into a read-only space. | |
1770 if (UseSharedSpaces) { | |
1771 FLAG_SET_DEFAULT(RewriteBytecodes, false); | |
1772 FLAG_SET_DEFAULT(RewriteFrequentPairs, false); | |
1773 } | |
1774 | |
1775 if (!RewriteBytecodes) { | |
1776 FLAG_SET_DEFAULT(RewriteFrequentPairs, false); | |
1777 } | |
1778 } | |
1779 | |
1780 // Aggressive optimization flags -XX:+AggressiveOpts | |
1781 void Arguments::set_aggressive_opts_flags() { | |
17
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|
1782 #ifdef COMPILER2 |
10278 | 1783 if (AggressiveUnboxing) { |
1784 if (FLAG_IS_DEFAULT(EliminateAutoBox)) { | |
1785 FLAG_SET_DEFAULT(EliminateAutoBox, true); | |
1786 } else if (!EliminateAutoBox) { | |
1787 // warning("AggressiveUnboxing is disabled because EliminateAutoBox is disabled"); | |
1788 AggressiveUnboxing = false; | |
1789 } | |
1790 if (FLAG_IS_DEFAULT(DoEscapeAnalysis)) { | |
1791 FLAG_SET_DEFAULT(DoEscapeAnalysis, true); | |
1792 } else if (!DoEscapeAnalysis) { | |
1793 // warning("AggressiveUnboxing is disabled because DoEscapeAnalysis is disabled"); | |
1794 AggressiveUnboxing = false; | |
1795 } | |
1796 } | |
17
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|
1797 if (AggressiveOpts || !FLAG_IS_DEFAULT(AutoBoxCacheMax)) { |
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|
1798 if (FLAG_IS_DEFAULT(EliminateAutoBox)) { |
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|
1799 FLAG_SET_DEFAULT(EliminateAutoBox, true); |
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|
1800 } |
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|
1801 if (FLAG_IS_DEFAULT(AutoBoxCacheMax)) { |
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|
1802 FLAG_SET_DEFAULT(AutoBoxCacheMax, 20000); |
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|
1803 } |
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|
1804 |
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|
1805 // Feed the cache size setting into the JDK |
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|
1806 char buffer[1024]; |
513
2328d1d3f8cf
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diff
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|
1807 sprintf(buffer, "java.lang.Integer.IntegerCache.high=" INTX_FORMAT, AutoBoxCacheMax); |
17
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|
1808 add_property(buffer); |
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|
1809 } |
416
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|
1810 if (AggressiveOpts && FLAG_IS_DEFAULT(BiasedLockingStartupDelay)) { |
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|
1811 FLAG_SET_DEFAULT(BiasedLockingStartupDelay, 500); |
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|
1812 } |
17
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|
1813 #endif |
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|
1814 |
0 | 1815 if (AggressiveOpts) { |
61 | 1816 // Sample flag setting code |
1817 // if (FLAG_IS_DEFAULT(EliminateZeroing)) { | |
1818 // FLAG_SET_DEFAULT(EliminateZeroing, true); | |
1819 // } | |
0 | 1820 } |
1821 } | |
1822 | |
1823 //=========================================================================================================== | |
1824 // Parsing of java.compiler property | |
1825 | |
1826 void Arguments::process_java_compiler_argument(char* arg) { | |
1827 // For backwards compatibility, Djava.compiler=NONE or "" | |
1828 // causes us to switch to -Xint mode UNLESS -Xdebug | |
1829 // is also specified. | |
1830 if (strlen(arg) == 0 || strcasecmp(arg, "NONE") == 0) { | |
1831 set_java_compiler(true); // "-Djava.compiler[=...]" most recently seen. | |
1832 } | |
1833 } | |
1834 | |
1835 void Arguments::process_java_launcher_argument(const char* launcher, void* extra_info) { | |
1836 _sun_java_launcher = strdup(launcher); | |
2302
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1837 if (strcmp("gamma", _sun_java_launcher) == 0) { |
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|
1838 _created_by_gamma_launcher = true; |
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|
1839 } |
0 | 1840 } |
1841 | |
1842 bool Arguments::created_by_java_launcher() { | |
1843 assert(_sun_java_launcher != NULL, "property must have value"); | |
1844 return strcmp(DEFAULT_JAVA_LAUNCHER, _sun_java_launcher) != 0; | |
1845 } | |
1846 | |
2302
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|
1847 bool Arguments::created_by_gamma_launcher() { |
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|
1848 return _created_by_gamma_launcher; |
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|
1849 } |
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|
1850 |
0 | 1851 //=========================================================================================================== |
1852 // Parsing of main arguments | |
1853 | |
1244
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|
1854 bool Arguments::verify_interval(uintx val, uintx min, |
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|
1855 uintx max, const char* name) { |
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|
1856 // Returns true iff value is in the inclusive interval [min..max] |
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|
1857 // false, otherwise. |
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|
1858 if (val >= min && val <= max) { |
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|
1859 return true; |
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|
1860 } |
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|
1861 jio_fprintf(defaultStream::error_stream(), |
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|
1862 "%s of " UINTX_FORMAT " is invalid; must be between " UINTX_FORMAT |
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|
1863 " and " UINTX_FORMAT "\n", |
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|
1864 name, val, min, max); |
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|
1865 return false; |
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|
1866 } |
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|
1867 |
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|
1868 bool Arguments::verify_min_value(intx val, intx min, const char* name) { |
2366
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|
1869 // Returns true if given value is at least specified min threshold |
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1870 // false, otherwise. |
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1871 if (val >= min ) { |
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1872 return true; |
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1873 } |
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1874 jio_fprintf(defaultStream::error_stream(), |
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1875 "%s of " INTX_FORMAT " is invalid; must be at least " INTX_FORMAT "\n", |
1744
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1876 name, val, min); |
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1877 return false; |
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1878 } |
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1879 |
0 | 1880 bool Arguments::verify_percentage(uintx value, const char* name) { |
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1881 if (is_percentage(value)) { |
0 | 1882 return true; |
1883 } | |
1884 jio_fprintf(defaultStream::error_stream(), | |
1885 "%s of " UINTX_FORMAT " is invalid; must be between 0 and 100\n", | |
1886 name, value); | |
1887 return false; | |
1888 } | |
1889 | |
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1890 #if !INCLUDE_ALL_GCS |
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1891 #ifdef ASSERT |
0 | 1892 static bool verify_serial_gc_flags() { |
1893 return (UseSerialGC && | |
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1894 !(UseParNewGC || (UseConcMarkSweepGC || CMSIncrementalMode) || UseG1GC || |
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1895 UseParallelGC || UseParallelOldGC)); |
0 | 1896 } |
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1897 #endif // ASSERT |
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1898 #endif // INCLUDE_ALL_GCS |
0 | 1899 |
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1900 // check if do gclog rotation |
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1901 // +UseGCLogFileRotation is a must, |
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1902 // no gc log rotation when log file not supplied or |
17827 | 1903 // NumberOfGCLogFiles is 0 |
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1904 void check_gclog_consistency() { |
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1905 if (UseGCLogFileRotation) { |
17827 | 1906 if ((Arguments::gc_log_filename() == NULL) || (NumberOfGCLogFiles == 0)) { |
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1907 jio_fprintf(defaultStream::output_stream(), |
17827 | 1908 "To enable GC log rotation, use -Xloggc:<filename> -XX:+UseGCLogFileRotation -XX:NumberOfGCLogFiles=<num_of_files>\n" |
1909 "where num_of_file > 0\n" | |
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1910 "GC log rotation is turned off\n"); |
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1911 UseGCLogFileRotation = false; |
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1912 } |
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1913 } |
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1914 |
17827 | 1915 if (UseGCLogFileRotation && (GCLogFileSize != 0) && (GCLogFileSize < 8*K)) { |
1916 FLAG_SET_CMDLINE(uintx, GCLogFileSize, 8*K); | |
1917 jio_fprintf(defaultStream::output_stream(), | |
1918 "GCLogFileSize changed to minimum 8K\n"); | |
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1919 } |
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1920 } |
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1921 |
12215 | 1922 // This function is called for -Xloggc:<filename>, it can be used |
1923 // to check if a given file name(or string) conforms to the following | |
1924 // specification: | |
1925 // A valid string only contains "[A-Z][a-z][0-9].-_%[p|t]" | |
1926 // %p and %t only allowed once. We only limit usage of filename not path | |
1927 bool is_filename_valid(const char *file_name) { | |
1928 const char* p = file_name; | |
1929 char file_sep = os::file_separator()[0]; | |
1930 const char* cp; | |
1931 // skip prefix path | |
1932 for (cp = file_name; *cp != '\0'; cp++) { | |
1933 if (*cp == '/' || *cp == file_sep) { | |
1934 p = cp + 1; | |
1935 } | |
1936 } | |
1937 | |
1938 int count_p = 0; | |
1939 int count_t = 0; | |
1940 while (*p != '\0') { | |
1941 if ((*p >= '0' && *p <= '9') || | |
1942 (*p >= 'A' && *p <= 'Z') || | |
1943 (*p >= 'a' && *p <= 'z') || | |
1944 *p == '-' || | |
1945 *p == '_' || | |
1946 *p == '.') { | |
1947 p++; | |
1948 continue; | |
1949 } | |
1950 if (*p == '%') { | |
1951 if(*(p + 1) == 'p') { | |
1952 p += 2; | |
1953 count_p ++; | |
1954 continue; | |
1955 } | |
1956 if (*(p + 1) == 't') { | |
1957 p += 2; | |
1958 count_t ++; | |
1959 continue; | |
1960 } | |
1961 } | |
1962 return false; | |
1963 } | |
1964 return count_p < 2 && count_t < 2; | |
1965 } | |
1966 | |
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1967 bool Arguments::verify_MinHeapFreeRatio(FormatBuffer<80>& err_msg, uintx min_heap_free_ratio) { |
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1968 if (!is_percentage(min_heap_free_ratio)) { |
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1969 err_msg.print("MinHeapFreeRatio must have a value between 0 and 100"); |
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1970 return false; |
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1971 } |
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1972 if (min_heap_free_ratio > MaxHeapFreeRatio) { |
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1973 err_msg.print("MinHeapFreeRatio (" UINTX_FORMAT ") must be less than or " |
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1974 "equal to MaxHeapFreeRatio (" UINTX_FORMAT ")", min_heap_free_ratio, |
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1975 MaxHeapFreeRatio); |
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1976 return false; |
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1977 } |
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1978 return true; |
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1979 } |
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1980 |
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1981 bool Arguments::verify_MaxHeapFreeRatio(FormatBuffer<80>& err_msg, uintx max_heap_free_ratio) { |
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1982 if (!is_percentage(max_heap_free_ratio)) { |
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1983 err_msg.print("MaxHeapFreeRatio must have a value between 0 and 100"); |
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1984 return false; |
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1985 } |
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1986 if (max_heap_free_ratio < MinHeapFreeRatio) { |
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1987 err_msg.print("MaxHeapFreeRatio (" UINTX_FORMAT ") must be greater than or " |
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1988 "equal to MinHeapFreeRatio (" UINTX_FORMAT ")", max_heap_free_ratio, |
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1989 MinHeapFreeRatio); |
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1990 return false; |
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1991 } |
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1992 return true; |
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1993 } |
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1994 |
10
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1995 // Check consistency of GC selection |
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1996 bool Arguments::check_gc_consistency() { |
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1997 check_gclog_consistency(); |
10
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1998 bool status = true; |
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1999 // Ensure that the user has not selected conflicting sets |
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2000 // of collectors. [Note: this check is merely a user convenience; |
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2001 // collectors over-ride each other so that only a non-conflicting |
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2002 // set is selected; however what the user gets is not what they |
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2003 // may have expected from the combination they asked for. It's |
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2004 // better to reduce user confusion by not allowing them to |
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2005 // select conflicting combinations. |
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2006 uint i = 0; |
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2007 if (UseSerialGC) i++; |
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2008 if (UseConcMarkSweepGC || UseParNewGC) i++; |
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2009 if (UseParallelGC || UseParallelOldGC) i++; |
845
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2010 if (UseG1GC) i++; |
10
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2011 if (i > 1) { |
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2012 jio_fprintf(defaultStream::error_stream(), |
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2013 "Conflicting collector combinations in option list; " |
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2014 "please refer to the release notes for the combinations " |
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2015 "allowed\n"); |
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2016 status = false; |
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2017 } |
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2018 return status; |
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2019 } |
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2020 |
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2021 void Arguments::check_deprecated_gcs() { |
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2022 if (UseConcMarkSweepGC && !UseParNewGC) { |
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2023 warning("Using the DefNew young collector with the CMS collector is deprecated " |
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2024 "and will likely be removed in a future release"); |
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2025 } |
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2026 |
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2027 if (UseParNewGC && !UseConcMarkSweepGC) { |
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2028 // !UseConcMarkSweepGC means that we are using serial old gc. Unfortunately we don't |
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2029 // set up UseSerialGC properly, so that can't be used in the check here. |
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2030 warning("Using the ParNew young collector with the Serial old collector is deprecated " |
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2031 "and will likely be removed in a future release"); |
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2032 } |
7453 | 2033 |
2034 if (CMSIncrementalMode) { | |
2035 warning("Using incremental CMS is deprecated and will likely be removed in a future release"); | |
2036 } | |
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2037 } |
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2038 |
8734 | 2039 void Arguments::check_deprecated_gc_flags() { |
2040 if (FLAG_IS_CMDLINE(MaxGCMinorPauseMillis)) { | |
2041 warning("Using MaxGCMinorPauseMillis as minor pause goal is deprecated" | |
2042 "and will likely be removed in future release"); | |
2043 } | |
11977 | 2044 if (FLAG_IS_CMDLINE(DefaultMaxRAMFraction)) { |
2045 warning("DefaultMaxRAMFraction is deprecated and will likely be removed in a future release. " | |
2046 "Use MaxRAMFraction instead."); | |
2047 } | |
13008
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2048 if (FLAG_IS_CMDLINE(UseCMSCompactAtFullCollection)) { |
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2049 warning("UseCMSCompactAtFullCollection is deprecated and will likely be removed in a future release."); |
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2050 } |
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2051 if (FLAG_IS_CMDLINE(CMSFullGCsBeforeCompaction)) { |
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2052 warning("CMSFullGCsBeforeCompaction is deprecated and will likely be removed in a future release."); |
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2053 } |
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2054 if (FLAG_IS_CMDLINE(UseCMSCollectionPassing)) { |
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2055 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
|
2056 } |
8734 | 2057 } |
2058 | |
1744
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
2059 // Check stack pages settings |
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
2060 bool Arguments::check_stack_pages() |
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
2061 { |
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
2062 bool status = true; |
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
2063 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
|
2064 status = status && verify_min_value(StackRedPages, 1, "StackRedPages"); |
1867
b6aedd1acdc0
6983240: guarantee((Solaris::min_stack_allowed >= (StackYellowPages+StackRedPages...) wrong
coleenp
parents:
1864
diff
changeset
|
2065 // 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
|
2066 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
|
2067 return status; |
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
2068 } |
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
2069 |
0 | 2070 // Check the consistency of vm_init_args |
2071 bool Arguments::check_vm_args_consistency() { | |
2072 // Method for adding checks for flag consistency. | |
2073 // The intent is to warn the user of all possible conflicts, | |
2074 // before returning an error. | |
2075 // Note: Needs platform-dependent factoring. | |
2076 bool status = true; | |
2077 | |
2078 // Allow both -XX:-UseStackBanging and -XX:-UseBoundThreads in non-product | |
2079 // builds so the cost of stack banging can be measured. | |
2080 #if (defined(PRODUCT) && defined(SOLARIS)) | |
2081 if (!UseBoundThreads && !UseStackBanging) { | |
2082 jio_fprintf(defaultStream::error_stream(), | |
2083 "-UseStackBanging conflicts with -UseBoundThreads\n"); | |
2084 | |
2085 status = false; | |
2086 } | |
2087 #endif | |
2088 | |
2089 if (TLABRefillWasteFraction == 0) { | |
2090 jio_fprintf(defaultStream::error_stream(), | |
2091 "TLABRefillWasteFraction should be a denominator, " | |
2092 "not " SIZE_FORMAT "\n", | |
2093 TLABRefillWasteFraction); | |
2094 status = false; | |
2095 } | |
2096 | |
10287
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2097 status = status && verify_interval(AdaptiveSizePolicyWeight, 0, 100, |
0 | 2098 "AdaptiveSizePolicyWeight"); |
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2099 status = status && verify_percentage(ThresholdTolerance, "ThresholdTolerance"); |
0 | 2100 |
6982
e4f764ddb06a
7122219: Passed StringTableSize value not verified
hseigel
parents:
6928
diff
changeset
|
2101 // 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
|
2102 // 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
|
2103 status = status && verify_interval(StringTableSize, minimumStringTableSize, |
6982
e4f764ddb06a
7122219: Passed StringTableSize value not verified
hseigel
parents:
6928
diff
changeset
|
2104 (max_uintx / StringTable::bucket_size()), "StringTable size"); |
e4f764ddb06a
7122219: Passed StringTableSize value not verified
hseigel
parents:
6928
diff
changeset
|
2105 |
12825
c90e76575b03
8019375: Internal symbol table size should be tunable.
kevinw
parents:
12326
diff
changeset
|
2106 status = status && verify_interval(SymbolTableSize, minimumSymbolTableSize, |
c90e76575b03
8019375: Internal symbol table size should be tunable.
kevinw
parents:
12326
diff
changeset
|
2107 (max_uintx / SymbolTable::bucket_size()), "SymbolTable size"); |
c90e76575b03
8019375: Internal symbol table size should be tunable.
kevinw
parents:
12326
diff
changeset
|
2108 |
17648
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14260
diff
changeset
|
2109 { |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14260
diff
changeset
|
2110 // Using "else if" below to avoid printing two error messages if min > max. |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14260
diff
changeset
|
2111 // This will also prevent us from reporting both min>100 and max>100 at the |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14260
diff
changeset
|
2112 // same time, but that is less annoying than printing two identical errors IMHO. |
17937
78bbf4d43a14
8037816: Fix for 8036122 breaks build with Xcode5/clang
drchase
parents:
17906
diff
changeset
|
2113 FormatBuffer<80> err_msg("%s",""); |
17648
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14260
diff
changeset
|
2114 if (!verify_MinHeapFreeRatio(err_msg, MinHeapFreeRatio)) { |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14260
diff
changeset
|
2115 jio_fprintf(defaultStream::error_stream(), "%s\n", err_msg.buffer()); |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14260
diff
changeset
|
2116 status = false; |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14260
diff
changeset
|
2117 } else if (!verify_MaxHeapFreeRatio(err_msg, MaxHeapFreeRatio)) { |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14260
diff
changeset
|
2118 jio_fprintf(defaultStream::error_stream(), "%s\n", err_msg.buffer()); |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14260
diff
changeset
|
2119 status = false; |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14260
diff
changeset
|
2120 } |
0 | 2121 } |
2122 | |
8040
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2123 // Min/MaxMetaspaceFreeRatio |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2124 status = status && verify_percentage(MinMetaspaceFreeRatio, "MinMetaspaceFreeRatio"); |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2125 status = status && verify_percentage(MaxMetaspaceFreeRatio, "MaxMetaspaceFreeRatio"); |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2126 |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2127 if (MinMetaspaceFreeRatio > MaxMetaspaceFreeRatio) { |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2128 jio_fprintf(defaultStream::error_stream(), |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2129 "MinMetaspaceFreeRatio (%s" UINTX_FORMAT ") must be less than or " |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2130 "equal to MaxMetaspaceFreeRatio (%s" UINTX_FORMAT ")\n", |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2131 FLAG_IS_DEFAULT(MinMetaspaceFreeRatio) ? "Default: " : "", |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2132 MinMetaspaceFreeRatio, |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2133 FLAG_IS_DEFAULT(MaxMetaspaceFreeRatio) ? "Default: " : "", |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2134 MaxMetaspaceFreeRatio); |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2135 status = false; |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2136 } |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2137 |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2138 // Trying to keep 100% free is not practical |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2139 MinMetaspaceFreeRatio = MIN2(MinMetaspaceFreeRatio, (uintx) 99); |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2140 |
0 | 2141 if (FullGCALot && FLAG_IS_DEFAULT(MarkSweepAlwaysCompactCount)) { |
2142 MarkSweepAlwaysCompactCount = 1; // Move objects every gc. | |
2143 } | |
2144 | |
483
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2145 if (UseParallelOldGC && ParallelOldGCSplitALot) { |
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2146 // Settings to encourage splitting. |
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2147 if (!FLAG_IS_CMDLINE(NewRatio)) { |
8035 | 2148 FLAG_SET_CMDLINE(uintx, NewRatio, 2); |
483
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2149 } |
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2150 if (!FLAG_IS_CMDLINE(ScavengeBeforeFullGC)) { |
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2151 FLAG_SET_CMDLINE(bool, ScavengeBeforeFullGC, false); |
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2152 } |
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2153 } |
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2154 |
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2155 status = status && verify_percentage(GCHeapFreeLimit, "GCHeapFreeLimit"); |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2156 status = status && verify_percentage(GCTimeLimit, "GCTimeLimit"); |
0 | 2157 if (GCTimeLimit == 100) { |
2158 // Turn off gc-overhead-limit-exceeded checks | |
2159 FLAG_SET_DEFAULT(UseGCOverheadLimit, false); | |
2160 } | |
2161 | |
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2162 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
|
2163 status = status && check_stack_pages(); |
0 | 2164 |
2165 if (CMSIncrementalMode) { | |
2166 if (!UseConcMarkSweepGC) { | |
2167 jio_fprintf(defaultStream::error_stream(), | |
2168 "error: invalid argument combination.\n" | |
2169 "The CMS collector (-XX:+UseConcMarkSweepGC) must be " | |
2170 "selected in order\nto use CMSIncrementalMode.\n"); | |
2171 status = false; | |
2172 } else { | |
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2173 status = status && verify_percentage(CMSIncrementalDutyCycle, |
0 | 2174 "CMSIncrementalDutyCycle"); |
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2175 status = status && verify_percentage(CMSIncrementalDutyCycleMin, |
0 | 2176 "CMSIncrementalDutyCycleMin"); |
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2177 status = status && verify_percentage(CMSIncrementalSafetyFactor, |
0 | 2178 "CMSIncrementalSafetyFactor"); |
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2179 status = status && verify_percentage(CMSIncrementalOffset, |
0 | 2180 "CMSIncrementalOffset"); |
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2181 status = status && verify_percentage(CMSExpAvgFactor, |
0 | 2182 "CMSExpAvgFactor"); |
2183 // If it was not set on the command line, set | |
2184 // CMSInitiatingOccupancyFraction to 1 so icms can initiate cycles early. | |
2185 if (CMSInitiatingOccupancyFraction < 0) { | |
2186 FLAG_SET_DEFAULT(CMSInitiatingOccupancyFraction, 1); | |
2187 } | |
2188 } | |
2189 } | |
2190 | |
2191 // CMS space iteration, which FLSVerifyAllHeapreferences entails, | |
2192 // insists that we hold the requisite locks so that the iteration is | |
2193 // MT-safe. For the verification at start-up and shut-down, we don't | |
2194 // yet have a good way of acquiring and releasing these locks, | |
2195 // which are not visible at the CollectedHeap level. We want to | |
2196 // be able to acquire these locks and then do the iteration rather | |
2197 // than just disable the lock verification. This will be fixed under | |
2198 // bug 4788986. | |
2199 if (UseConcMarkSweepGC && FLSVerifyAllHeapReferences) { | |
9071
68fe50d4f1d5
8011343: Add new flag for verifying the heap during startup
johnc
parents:
8859
diff
changeset
|
2200 if (VerifyDuringStartup) { |
0 | 2201 warning("Heap verification at start-up disabled " |
2202 "(due to current incompatibility with FLSVerifyAllHeapReferences)"); | |
9071
68fe50d4f1d5
8011343: Add new flag for verifying the heap during startup
johnc
parents:
8859
diff
changeset
|
2203 VerifyDuringStartup = false; // Disable verification at start-up |
0 | 2204 } |
9071
68fe50d4f1d5
8011343: Add new flag for verifying the heap during startup
johnc
parents:
8859
diff
changeset
|
2205 |
0 | 2206 if (VerifyBeforeExit) { |
2207 warning("Heap verification at shutdown disabled " | |
2208 "(due to current incompatibility with FLSVerifyAllHeapReferences)"); | |
2209 VerifyBeforeExit = false; // Disable verification at shutdown | |
2210 } | |
2211 } | |
2212 | |
2213 // Note: only executed in non-PRODUCT mode | |
2214 if (!UseAsyncConcMarkSweepGC && | |
2215 (ExplicitGCInvokesConcurrent || | |
2216 ExplicitGCInvokesConcurrentAndUnloadsClasses)) { | |
2217 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
|
2218 "error: +ExplicitGCInvokesConcurrent[AndUnloadsClasses] conflicts" |
0 | 2219 " with -UseAsyncConcMarkSweepGC"); |
2220 status = false; | |
2221 } | |
2222 | |
2366
1fb790245268
6820066: Check that -XX:ParGCArrayScanChunk has a value larger than zero.
jwilhelm
parents:
2362
diff
changeset
|
2223 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
|
2224 |
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
2225 #if INCLUDE_ALL_GCS |
1283
1c72304f1885
6928073: G1: use existing command line parameters for marking cycle initiation
tonyp
parents:
1257
diff
changeset
|
2226 if (UseG1GC) { |
13060
8f07aa079343
8016309: assert(eden_size > 0 && survivor_size > 0) failed: just checking
jwilhelm
parents:
13059
diff
changeset
|
2227 status = status && verify_percentage(G1NewSizePercent, "G1NewSizePercent"); |
8f07aa079343
8016309: assert(eden_size > 0 && survivor_size > 0) failed: just checking
jwilhelm
parents:
13059
diff
changeset
|
2228 status = status && verify_percentage(G1MaxNewSizePercent, "G1MaxNewSizePercent"); |
8f07aa079343
8016309: assert(eden_size > 0 && survivor_size > 0) failed: just checking
jwilhelm
parents:
13059
diff
changeset
|
2229 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
|
2230 |
1283
1c72304f1885
6928073: G1: use existing command line parameters for marking cycle initiation
tonyp
parents:
1257
diff
changeset
|
2231 status = status && verify_percentage(InitiatingHeapOccupancyPercent, |
1c72304f1885
6928073: G1: use existing command line parameters for marking cycle initiation
tonyp
parents:
1257
diff
changeset
|
2232 "InitiatingHeapOccupancyPercent"); |
2174
234761c55641
6608385: G1: need to support parallel reference processing
johnc
parents:
2129
diff
changeset
|
2233 status = status && verify_min_value(G1RefProcDrainInterval, 1, |
234761c55641
6608385: G1: need to support parallel reference processing
johnc
parents:
2129
diff
changeset
|
2234 "G1RefProcDrainInterval"); |
234761c55641
6608385: G1: need to support parallel reference processing
johnc
parents:
2129
diff
changeset
|
2235 status = status && verify_min_value((intx)G1ConcMarkStepDurationMillis, 1, |
234761c55641
6608385: G1: need to support parallel reference processing
johnc
parents:
2129
diff
changeset
|
2236 "G1ConcMarkStepDurationMillis"); |
10246
194f52aa2f23
7176479: G1: JVM crashes on T5-8 system with 1.5 TB heap
johnc
parents:
10241
diff
changeset
|
2237 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
|
2238 "G1ConcRSHotCardLimit"); |
194f52aa2f23
7176479: G1: JVM crashes on T5-8 system with 1.5 TB heap
johnc
parents:
10241
diff
changeset
|
2239 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
|
2240 "G1ConcRSLogCacheSize"); |
17764 | 2241 status = status && verify_interval(StringDeduplicationAgeThreshold, 1, markOopDesc::max_age, |
2242 "StringDeduplicationAgeThreshold"); | |
1283
1c72304f1885
6928073: G1: use existing command line parameters for marking cycle initiation
tonyp
parents:
1257
diff
changeset
|
2243 } |
10287
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2244 if (UseConcMarkSweepGC) { |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2245 status = status && verify_min_value(CMSOldPLABNumRefills, 1, "CMSOldPLABNumRefills"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2246 status = status && verify_min_value(CMSOldPLABToleranceFactor, 1, "CMSOldPLABToleranceFactor"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2247 status = status && verify_min_value(CMSOldPLABMax, 1, "CMSOldPLABMax"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2248 status = status && verify_interval(CMSOldPLABMin, 1, CMSOldPLABMax, "CMSOldPLABMin"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2249 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2250 status = status && verify_min_value(CMSYoungGenPerWorker, 1, "CMSYoungGenPerWorker"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2251 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2252 status = status && verify_min_value(CMSSamplingGrain, 1, "CMSSamplingGrain"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2253 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
|
2254 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
|
2255 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2256 status = status && verify_interval(FLSCoalescePolicy, 0, 4, "FLSCoalescePolicy"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2257 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2258 status = status && verify_min_value(CMSRescanMultiple, 1, "CMSRescanMultiple"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2259 status = status && verify_min_value(CMSConcMarkMultiple, 1, "CMSConcMarkMultiple"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2260 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2261 status = status && verify_interval(CMSPrecleanIter, 0, 9, "CMSPrecleanIter"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2262 status = status && verify_min_value(CMSPrecleanDenominator, 1, "CMSPrecleanDenominator"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2263 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
|
2264 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2265 status = status && verify_percentage(CMSBootstrapOccupancy, "CMSBootstrapOccupancy"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2266 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2267 status = status && verify_min_value(CMSPrecleanThreshold, 100, "CMSPrecleanThreshold"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2268 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2269 status = status && verify_percentage(CMSScheduleRemarkEdenPenetration, "CMSScheduleRemarkEdenPenetration"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2270 status = status && verify_min_value(CMSScheduleRemarkSamplingRatio, 1, "CMSScheduleRemarkSamplingRatio"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2271 status = status && verify_min_value(CMSBitMapYieldQuantum, 1, "CMSBitMapYieldQuantum"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2272 status = status && verify_percentage(CMSTriggerRatio, "CMSTriggerRatio"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2273 status = status && verify_percentage(CMSIsTooFullPercentage, "CMSIsTooFullPercentage"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2274 } |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2275 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2276 if (UseParallelGC || UseParallelOldGC) { |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2277 status = status && verify_interval(ParallelOldDeadWoodLimiterMean, 0, 100, "ParallelOldDeadWoodLimiterMean"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2278 status = status && verify_interval(ParallelOldDeadWoodLimiterStdDev, 0, 100, "ParallelOldDeadWoodLimiterStdDev"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2279 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2280 status = status && verify_percentage(YoungGenerationSizeIncrement, "YoungGenerationSizeIncrement"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2281 status = status && verify_percentage(TenuredGenerationSizeIncrement, "TenuredGenerationSizeIncrement"); |
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(YoungGenerationSizeSupplementDecay, 1, "YoungGenerationSizeSupplementDecay"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2284 status = status && verify_min_value(TenuredGenerationSizeSupplementDecay, 1, "TenuredGenerationSizeSupplementDecay"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2285 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2286 status = status && verify_min_value(ParGCCardsPerStrideChunk, 1, "ParGCCardsPerStrideChunk"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2287 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2288 status = status && verify_min_value(ParallelOldGCSplitInterval, 0, "ParallelOldGCSplitInterval"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2289 } |
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
2290 #endif // INCLUDE_ALL_GCS |
1283
1c72304f1885
6928073: G1: use existing command line parameters for marking cycle initiation
tonyp
parents:
1257
diff
changeset
|
2291 |
1244
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2292 status = status && verify_interval(RefDiscoveryPolicy, |
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2293 ReferenceProcessor::DiscoveryPolicyMin, |
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2294 ReferenceProcessor::DiscoveryPolicyMax, |
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2295 "RefDiscoveryPolicy"); |
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2296 |
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2297 // 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
|
2298 // expression. |
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2299 status = status && verify_interval(TLABWasteTargetPercent, |
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2300 1, 100, "TLABWasteTargetPercent"); |
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2301 |
1571
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
2302 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
|
2303 |
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
2304 status = status && verify_interval(CompressedClassSpaceSize, 1*M, 3*G, |
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
2305 "CompressedClassSpaceSize"); |
6736
11fb740ce98f
7196103: NPG: Unable to allocate bit map for parallel garbage collection for the requested heap size
coleenp
parents:
6725
diff
changeset
|
2306 |
7397
442f942757c0
8000244: G1: Ergonomically set MarkStackSize and use virtual space for global marking stack
johnc
parents:
7177
diff
changeset
|
2307 status = status && verify_interval(MarkStackSizeMax, |
442f942757c0
8000244: G1: Ergonomically set MarkStackSize and use virtual space for global marking stack
johnc
parents:
7177
diff
changeset
|
2308 1, (max_jint - 1), "MarkStackSizeMax"); |
10287
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2309 status = status && verify_interval(NUMAChunkResizeWeight, 0, 100, "NUMAChunkResizeWeight"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2310 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2311 status = status && verify_min_value(LogEventsBufferEntries, 1, "LogEventsBufferEntries"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2312 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2313 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
|
2314 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2315 status = status && verify_min_value(GCTaskTimeStampEntries, 1, "GCTaskTimeStampEntries"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2316 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2317 status = status && verify_percentage(ParallelGCBufferWastePct, "ParallelGCBufferWastePct"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2318 status = status && verify_interval(TargetPLABWastePct, 1, 100, "TargetPLABWastePct"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2319 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2320 status = status && verify_min_value(ParGCStridesPerThread, 1, "ParGCStridesPerThread"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2321 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2322 status = status && verify_min_value(MinRAMFraction, 1, "MinRAMFraction"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2323 status = status && verify_min_value(InitialRAMFraction, 1, "InitialRAMFraction"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2324 status = status && verify_min_value(MaxRAMFraction, 1, "MaxRAMFraction"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2325 status = status && verify_min_value(DefaultMaxRAMFraction, 1, "DefaultMaxRAMFraction"); |
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_interval(AdaptiveTimeWeight, 0, 100, "AdaptiveTimeWeight"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2328 status = status && verify_min_value(AdaptiveSizeDecrementScaleFactor, 1, "AdaptiveSizeDecrementScaleFactor"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2329 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2330 status = status && verify_interval(TLABAllocationWeight, 0, 100, "TLABAllocationWeight"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2331 status = status && verify_min_value(MinTLABSize, 1, "MinTLABSize"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2332 status = status && verify_min_value(TLABRefillWasteFraction, 1, "TLABRefillWasteFraction"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2333 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2334 status = status && verify_percentage(YoungGenerationSizeSupplement, "YoungGenerationSizeSupplement"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2335 status = status && verify_percentage(TenuredGenerationSizeSupplement, "TenuredGenerationSizeSupplement"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2336 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2337 // 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
|
2338 // just for that, so hardcode here. |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2339 status = status && verify_interval(MaxTenuringThreshold, 0, 15, "MaxTenuringThreshold"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2340 status = status && verify_interval(InitialTenuringThreshold, 0, MaxTenuringThreshold, "MaxTenuringThreshold"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2341 status = status && verify_percentage(TargetSurvivorRatio, "TargetSurvivorRatio"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2342 status = status && verify_percentage(MarkSweepDeadRatio, "MarkSweepDeadRatio"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2343 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2344 status = status && verify_min_value(MarkSweepAlwaysCompactCount, 1, "MarkSweepAlwaysCompactCount"); |
6755
bc675e55b48c
7193946: Move warnings associated with UseMemSetInBOT flag
johnc
parents:
6736
diff
changeset
|
2345 |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2346 if (PrintNMTStatistics) { |
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2347 #if INCLUDE_NMT |
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2348 if (MemTracker::tracking_level() == MemTracker::NMT_off) { |
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2349 #endif // INCLUDE_NMT |
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2350 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
|
2351 PrintNMTStatistics = false; |
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2352 #if INCLUDE_NMT |
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2353 } |
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2354 #endif |
6770
9a86ddfc6c8f
7188594: Print statistic collected by NMT with VM flag
zgu
parents:
6736
diff
changeset
|
2355 } |
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
|
2356 #ifdef GRAAL |
10409 | 2357 if (UseG1GC) { |
2358 if (IgnoreUnrecognizedVMOptions) { | |
2359 FLAG_SET_CMDLINE(bool, UseG1GC, true); | |
2360 } else { | |
2361 status = true; | |
2362 } | |
10864
6457dc4227e3
Add compressed klass pointers in gate
Christos Kotselidis <christos.kotselidis@oracle.com>
parents:
10739
diff
changeset
|
2363 } else { |
10409 | 2364 // This prevents the flag being set to true by set_ergonomics_flags() |
2365 FLAG_SET_CMDLINE(bool, UseG1GC, false); | |
10864
6457dc4227e3
Add compressed klass pointers in gate
Christos Kotselidis <christos.kotselidis@oracle.com>
parents:
10739
diff
changeset
|
2366 } |
10409 | 2367 |
2368 if (!ScavengeRootsInCode) { | |
2369 warning("forcing ScavengeRootsInCode non-zero because Graal is enabled"); | |
2370 ScavengeRootsInCode = 1; | |
2371 } | |
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
|
2372 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
|
2373 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
|
2374 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
|
2375 } |
10409 | 2376 #endif |
6770
9a86ddfc6c8f
7188594: Print statistic collected by NMT with VM flag
zgu
parents:
6736
diff
changeset
|
2377 |
10260
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2378 // Need to limit the extent of the padding to reasonable size. |
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2379 // 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
|
2380 // aggressive prefetching, while still leaving the room for segregating |
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2381 // among the distinct pages. |
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2382 if (ContendedPaddingWidth < 0 || ContendedPaddingWidth > 8192) { |
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2383 jio_fprintf(defaultStream::error_stream(), |
12129 | 2384 "ContendedPaddingWidth=" INTX_FORMAT " must be in between %d and %d\n", |
10260
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2385 ContendedPaddingWidth, 0, 8192); |
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2386 status = false; |
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2387 } |
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2388 |
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2389 // Need to enforce the padding not to break the existing field alignments. |
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2390 // It is sufficient to check against the largest type size. |
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2391 if ((ContendedPaddingWidth % BytesPerLong) != 0) { |
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2392 jio_fprintf(defaultStream::error_stream(), |
12129 | 2393 "ContendedPaddingWidth=" INTX_FORMAT " must be a multiple of %d\n", |
10260
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2394 ContendedPaddingWidth, BytesPerLong); |
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2395 status = false; |
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2396 } |
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2397 |
11079
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2398 // 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
|
2399 // 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
|
2400 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
|
2401 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
|
2402 jio_fprintf(defaultStream::error_stream(), |
11079
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2403 "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
|
2404 os::vm_page_size()/K); |
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2405 status = false; |
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2406 } else if (ReservedCodeCacheSize < InitialCodeCacheSize) { |
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2407 jio_fprintf(defaultStream::error_stream(), |
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2408 "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
|
2409 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
|
2410 status = false; |
11079
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2411 } 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
|
2412 jio_fprintf(defaultStream::error_stream(), |
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2413 "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
|
2414 min_code_cache_size/K); |
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2415 status = false; |
11109
7ac80525ece9
8015635: Crash when specifying very large code cache size
anoll
parents:
11083
diff
changeset
|
2416 } else if (ReservedCodeCacheSize > 2*G) { |
7ac80525ece9
8015635: Crash when specifying very large code cache size
anoll
parents:
11083
diff
changeset
|
2417 // Code cache size larger than MAXINT is not supported. |
7ac80525ece9
8015635: Crash when specifying very large code cache size
anoll
parents:
11083
diff
changeset
|
2418 jio_fprintf(defaultStream::error_stream(), |
7ac80525ece9
8015635: Crash when specifying very large code cache size
anoll
parents:
11083
diff
changeset
|
2419 "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
|
2420 (2*G)/M); |
7ac80525ece9
8015635: Crash when specifying very large code cache size
anoll
parents:
11083
diff
changeset
|
2421 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
|
2422 } |
12324
510fbd28919c
8020151: PSR:PERF Large performance regressions when code cache is filled
anoll
parents:
12322
diff
changeset
|
2423 |
510fbd28919c
8020151: PSR:PERF Large performance regressions when code cache is filled
anoll
parents:
12322
diff
changeset
|
2424 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
|
2425 status &= verify_interval(NmethodSweepActivity, 0, 2000, "NmethodSweepActivity"); |
510fbd28919c
8020151: PSR:PERF Large performance regressions when code cache is filled
anoll
parents:
12322
diff
changeset
|
2426 |
17906
7150b16fda52
8029436: CICompilerCount is not updated when the number of compiler threads is adjusted to the number of CPUs
anoll
parents:
17827
diff
changeset
|
2427 if (!FLAG_IS_DEFAULT(CICompilerCount) && !FLAG_IS_DEFAULT(CICompilerCountPerCPU) && CICompilerCountPerCPU) { |
7150b16fda52
8029436: CICompilerCount is not updated when the number of compiler threads is adjusted to the number of CPUs
anoll
parents:
17827
diff
changeset
|
2428 warning("The VM option CICompilerCountPerCPU overrides CICompilerCount."); |
7150b16fda52
8029436: CICompilerCount is not updated when the number of compiler threads is adjusted to the number of CPUs
anoll
parents:
17827
diff
changeset
|
2429 } |
7150b16fda52
8029436: CICompilerCount is not updated when the number of compiler threads is adjusted to the number of CPUs
anoll
parents:
17827
diff
changeset
|
2430 |
18054
fbf689f3752e
8042603: 'SafepointPollOffset' was not declared in static member function 'static bool Arguments::check_vm_args_consistency()'
twisti
parents:
18049
diff
changeset
|
2431 #ifdef COMPILER1 |
18049 | 2432 status &= verify_interval(SafepointPollOffset, 0, os::vm_page_size() - BytesPerWord, "SafepointPollOffset"); |
18054
fbf689f3752e
8042603: 'SafepointPollOffset' was not declared in static member function 'static bool Arguments::check_vm_args_consistency()'
twisti
parents:
18049
diff
changeset
|
2433 #endif |
18049 | 2434 |
0 | 2435 return status; |
2436 } | |
2437 | |
2438 bool Arguments::is_bad_option(const JavaVMOption* option, jboolean ignore, | |
2439 const char* option_type) { | |
2440 if (ignore) return false; | |
2441 | |
2442 const char* spacer = " "; | |
2443 if (option_type == NULL) { | |
2444 option_type = ++spacer; // Set both to the empty string. | |
2445 } | |
2446 | |
2447 if (os::obsolete_option(option)) { | |
2448 jio_fprintf(defaultStream::error_stream(), | |
2449 "Obsolete %s%soption: %s\n", option_type, spacer, | |
2450 option->optionString); | |
2451 return false; | |
2452 } else { | |
2453 jio_fprintf(defaultStream::error_stream(), | |
2454 "Unrecognized %s%soption: %s\n", option_type, spacer, | |
2455 option->optionString); | |
2456 return true; | |
2457 } | |
2458 } | |
2459 | |
2460 static const char* user_assertion_options[] = { | |
2461 "-da", "-ea", "-disableassertions", "-enableassertions", 0 | |
2462 }; | |
2463 | |
2464 static const char* system_assertion_options[] = { | |
2465 "-dsa", "-esa", "-disablesystemassertions", "-enablesystemassertions", 0 | |
2466 }; | |
2467 | |
2468 // Return true if any of the strings in null-terminated array 'names' matches. | |
2469 // If tail_allowed is true, then the tail must begin with a colon; otherwise, | |
2470 // the option must match exactly. | |
2471 static bool match_option(const JavaVMOption* option, const char** names, const char** tail, | |
2472 bool tail_allowed) { | |
2473 for (/* empty */; *names != NULL; ++names) { | |
2474 if (match_option(option, *names, tail)) { | |
2475 if (**tail == '\0' || tail_allowed && **tail == ':') { | |
2476 return true; | |
2477 } | |
2478 } | |
2479 } | |
2480 return false; | |
2481 } | |
2482 | |
1284 | 2483 bool Arguments::parse_uintx(const char* value, |
2484 uintx* uintx_arg, | |
2485 uintx min_size) { | |
2486 | |
2487 // Check the sign first since atomull() parses only unsigned values. | |
2488 bool value_is_positive = !(*value == '-'); | |
2489 | |
2490 if (value_is_positive) { | |
2491 julong n; | |
2492 bool good_return = atomull(value, &n); | |
2493 if (good_return) { | |
2494 bool above_minimum = n >= min_size; | |
2495 bool value_is_too_large = n > max_uintx; | |
2496 | |
2497 if (above_minimum && !value_is_too_large) { | |
2498 *uintx_arg = n; | |
2499 return true; | |
2500 } | |
2501 } | |
2502 } | |
2503 return false; | |
2504 } | |
2505 | |
0 | 2506 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
|
2507 julong* long_arg, |
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
2508 julong min_size) { |
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
2509 if (!atomull(s, long_arg)) return arg_unreadable; |
0 | 2510 return check_memory_size(*long_arg, min_size); |
2511 } | |
2512 | |
2513 // Parse JavaVMInitArgs structure | |
2514 | |
2515 jint Arguments::parse_vm_init_args(const JavaVMInitArgs* args) { | |
2516 // For components of the system classpath. | |
2517 SysClassPath scp(Arguments::get_sysclasspath()); | |
2518 bool scp_assembly_required = false; | |
2519 | |
2520 // Save default settings for some mode flags | |
2521 Arguments::_AlwaysCompileLoopMethods = AlwaysCompileLoopMethods; | |
2522 Arguments::_UseOnStackReplacement = UseOnStackReplacement; | |
2523 Arguments::_ClipInlining = ClipInlining; | |
2524 Arguments::_BackgroundCompilation = BackgroundCompilation; | |
2525 | |
3341
e9b8ef09622a
7041582: set_mode_flags isn't called without -Xmixed specified
never
parents:
3261
diff
changeset
|
2526 // Setup flags for mixed which is the default |
e9b8ef09622a
7041582: set_mode_flags isn't called without -Xmixed specified
never
parents:
3261
diff
changeset
|
2527 set_mode_flags(_mixed); |
e9b8ef09622a
7041582: set_mode_flags isn't called without -Xmixed specified
never
parents:
3261
diff
changeset
|
2528 |
0 | 2529 // Parse JAVA_TOOL_OPTIONS environment variable (if present) |
2530 jint result = parse_java_tool_options_environment_variable(&scp, &scp_assembly_required); | |
2531 if (result != JNI_OK) { | |
2532 return result; | |
2533 } | |
2534 | |
2535 // Parse JavaVMInitArgs structure passed in | |
12322
72b7e96c1922
8024545: make develop and notproduct flag values available in product builds
twisti
parents:
12269
diff
changeset
|
2536 result = parse_each_vm_init_arg(args, &scp, &scp_assembly_required, Flag::COMMAND_LINE); |
0 | 2537 if (result != JNI_OK) { |
2538 return result; | |
2539 } | |
2540 | |
2541 // Parse _JAVA_OPTIONS environment variable (if present) (mimics classic VM) | |
2542 result = parse_java_options_environment_variable(&scp, &scp_assembly_required); | |
2543 if (result != JNI_OK) { | |
2544 return result; | |
2545 } | |
2546 | |
2547 // Do final processing now that all arguments have been parsed | |
2548 result = finalize_vm_init_args(&scp, scp_assembly_required); | |
2549 if (result != JNI_OK) { | |
2550 return result; | |
2551 } | |
2552 | |
2553 return JNI_OK; | |
2554 } | |
2555 | |
10170
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2556 // 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
|
2557 // 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
|
2558 // 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
|
2559 // -agentlib |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2560 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
|
2561 char *_name; |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2562 const char *_hprof = "hprof", *_jdwp = "jdwp"; |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2563 size_t _len_hprof, _len_jdwp, _len_prefix; |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2564 |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2565 if (is_path) { |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2566 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
|
2567 return false; |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2568 } |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2569 |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2570 _name++; // skip past last path separator |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2571 _len_prefix = strlen(JNI_LIB_PREFIX); |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2572 |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2573 if (strncmp(_name, JNI_LIB_PREFIX, _len_prefix) != 0) { |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2574 return false; |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2575 } |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2576 |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2577 _name += _len_prefix; |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2578 _len_hprof = strlen(_hprof); |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2579 _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:
9077
diff
changeset
|
2580 |
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8010428: Special -agentpath checks needed with minimal VM to produce proper error message
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diff
changeset
|
2581 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
|
2582 _name += _len_hprof; |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
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parents:
9077
diff
changeset
|
2583 } |
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8010428: Special -agentpath checks needed with minimal VM to produce proper error message
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9077
diff
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|
2584 else if (strncmp(_name, _jdwp, _len_jdwp) == 0) { |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2585 _name += _len_jdwp; |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2586 } |
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8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2587 else { |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2588 return false; |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
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 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
|
2592 return false; |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
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parents:
9077
diff
changeset
|
2593 } |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
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parents:
9077
diff
changeset
|
2594 |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2595 return true; |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2596 } |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
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parents:
9077
diff
changeset
|
2597 |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2598 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
|
2599 return true; |
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8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2600 } |
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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
|
2601 |
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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 } |
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8010428: Special -agentpath checks needed with minimal VM to produce proper error message
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diff
changeset
|
2604 |
0 | 2605 jint Arguments::parse_each_vm_init_arg(const JavaVMInitArgs* args, |
2606 SysClassPath* scp_p, | |
2607 bool* scp_assembly_required_p, | |
12322
72b7e96c1922
8024545: make develop and notproduct flag values available in product builds
twisti
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12269
diff
changeset
|
2608 Flag::Flags origin) { |
0 | 2609 // Remaining part of option string |
2610 const char* tail; | |
2611 | |
2612 // iterate over arguments | |
2613 for (int index = 0; index < args->nOptions; index++) { | |
2614 bool is_absolute_path = false; // for -agentpath vs -agentlib | |
2615 | |
2616 const JavaVMOption* option = args->options + index; | |
2617 | |
2618 if (!match_option(option, "-Djava.class.path", &tail) && | |
2619 !match_option(option, "-Dsun.java.command", &tail) && | |
2620 !match_option(option, "-Dsun.java.launcher", &tail)) { | |
2621 | |
2622 // add all jvm options to the jvm_args string. This string | |
2623 // is used later to set the java.vm.args PerfData string constant. | |
2624 // the -Djava.class.path and the -Dsun.java.command options are | |
2625 // omitted from jvm_args string as each have their own PerfData | |
2626 // string constant object. | |
2627 build_jvm_args(option->optionString); | |
2628 } | |
2629 | |
2630 // -verbose:[class/gc/jni] | |
2631 if (match_option(option, "-verbose", &tail)) { | |
2632 if (!strcmp(tail, ":class") || !strcmp(tail, "")) { | |
2633 FLAG_SET_CMDLINE(bool, TraceClassLoading, true); | |
2634 FLAG_SET_CMDLINE(bool, TraceClassUnloading, true); | |
2635 } else if (!strcmp(tail, ":gc")) { | |
2636 FLAG_SET_CMDLINE(bool, PrintGC, true); | |
2637 } else if (!strcmp(tail, ":jni")) { | |
2638 FLAG_SET_CMDLINE(bool, PrintJNIResolving, true); | |
2639 } | |
2640 // -da / -ea / -disableassertions / -enableassertions | |
2641 // These accept an optional class/package name separated by a colon, e.g., | |
2642 // -da:java.lang.Thread. | |
2643 } else if (match_option(option, user_assertion_options, &tail, true)) { | |
2644 bool enable = option->optionString[1] == 'e'; // char after '-' is 'e' | |
2645 if (*tail == '\0') { | |
2646 JavaAssertions::setUserClassDefault(enable); | |
2647 } else { | |
2648 assert(*tail == ':', "bogus match by match_option()"); | |
2649 JavaAssertions::addOption(tail + 1, enable); | |
2650 } | |
2651 // -dsa / -esa / -disablesystemassertions / -enablesystemassertions | |
2652 } else if (match_option(option, system_assertion_options, &tail, false)) { | |
2653 bool enable = option->optionString[1] == 'e'; // char after '-' is 'e' | |
2654 JavaAssertions::setSystemClassDefault(enable); | |
2655 // -bootclasspath: | |
2656 } else if (match_option(option, "-Xbootclasspath:", &tail)) { | |
2657 scp_p->reset_path(tail); | |
2658 *scp_assembly_required_p = true; | |
2659 // -bootclasspath/a: | |
2660 } else if (match_option(option, "-Xbootclasspath/a:", &tail)) { | |
2661 scp_p->add_suffix(tail); | |
2662 *scp_assembly_required_p = true; | |
2663 // -bootclasspath/p: | |
2664 } else if (match_option(option, "-Xbootclasspath/p:", &tail)) { | |
2665 scp_p->add_prefix(tail); | |
2666 *scp_assembly_required_p = true; | |
2667 // -Xrun | |
2668 } else if (match_option(option, "-Xrun", &tail)) { | |
531
40ee984935b9
6792705: Add JAR file to bootclasspath when using AggressiveOpts
phh
parents:
513
diff
changeset
|
2669 if (tail != NULL) { |
0 | 2670 const char* pos = strchr(tail, ':'); |
2671 size_t len = (pos == NULL) ? strlen(tail) : pos - tail; | |
6197 | 2672 char* name = (char*)memcpy(NEW_C_HEAP_ARRAY(char, len + 1, mtInternal), tail, len); |
0 | 2673 name[len] = '\0'; |
2674 | |
2675 char *options = NULL; | |
2676 if(pos != NULL) { | |
2677 size_t len2 = strlen(pos+1) + 1; // options start after ':'. Final zero must be copied. | |
6197 | 2678 options = (char*)memcpy(NEW_C_HEAP_ARRAY(char, len2, mtInternal), pos+1, len2); |
0 | 2679 } |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2680 #if !INCLUDE_JVMTI |
0 | 2681 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
|
2682 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
|
2683 "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
|
2684 return JNI_ERR; |
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
2685 } |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2686 #endif // !INCLUDE_JVMTI |
12739
b699233403ad
Delegate hprof enabled information from hotspot to graal
Christos Kotselidis <christos.kotselidis@oracle.com>
parents:
12490
diff
changeset
|
2687 #if defined(GRAAL) |
b699233403ad
Delegate hprof enabled information from hotspot to graal
Christos Kotselidis <christos.kotselidis@oracle.com>
parents:
12490
diff
changeset
|
2688 if (strcmp(name, "hprof") == 0) { |
b699233403ad
Delegate hprof enabled information from hotspot to graal
Christos Kotselidis <christos.kotselidis@oracle.com>
parents:
12490
diff
changeset
|
2689 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
|
2690 } |
b699233403ad
Delegate hprof enabled information from hotspot to graal
Christos Kotselidis <christos.kotselidis@oracle.com>
parents:
12490
diff
changeset
|
2691 #endif |
8720
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
2692 add_init_library(name, options); |
0 | 2693 } |
2694 // -agentlib and -agentpath | |
2695 } else if (match_option(option, "-agentlib:", &tail) || | |
2696 (is_absolute_path = match_option(option, "-agentpath:", &tail))) { | |
2697 if(tail != NULL) { | |
2698 const char* pos = strchr(tail, '='); | |
2699 size_t len = (pos == NULL) ? strlen(tail) : pos - tail; | |
6197 | 2700 char* name = strncpy(NEW_C_HEAP_ARRAY(char, len + 1, mtInternal), tail, len); |
0 | 2701 name[len] = '\0'; |
2702 | |
2703 char *options = NULL; | |
2704 if(pos != NULL) { | |
6197 | 2705 options = strcpy(NEW_C_HEAP_ARRAY(char, strlen(pos + 1) + 1, mtInternal), pos + 1); |
0 | 2706 } |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2707 #if !INCLUDE_JVMTI |
10170
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
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9077
diff
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|
2708 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
|
2709 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
|
2710 "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
|
2711 return JNI_ERR; |
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
2712 } |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2713 #endif // !INCLUDE_JVMTI |
12739
b699233403ad
Delegate hprof enabled information from hotspot to graal
Christos Kotselidis <christos.kotselidis@oracle.com>
parents:
12490
diff
changeset
|
2714 #if defined(GRAAL) |
b699233403ad
Delegate hprof enabled information from hotspot to graal
Christos Kotselidis <christos.kotselidis@oracle.com>
parents:
12490
diff
changeset
|
2715 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
|
2716 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
|
2717 } |
b699233403ad
Delegate hprof enabled information from hotspot to graal
Christos Kotselidis <christos.kotselidis@oracle.com>
parents:
12490
diff
changeset
|
2718 #endif |
b699233403ad
Delegate hprof enabled information from hotspot to graal
Christos Kotselidis <christos.kotselidis@oracle.com>
parents:
12490
diff
changeset
|
2719 |
0 | 2720 add_init_agent(name, options, is_absolute_path); |
2721 } | |
2722 // -javaagent | |
2723 } else if (match_option(option, "-javaagent:", &tail)) { | |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2724 #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
|
2725 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
|
2726 "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
|
2727 return JNI_ERR; |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2728 #else |
0 | 2729 if(tail != NULL) { |
6197 | 2730 char *options = strcpy(NEW_C_HEAP_ARRAY(char, strlen(tail) + 1, mtInternal), tail); |
0 | 2731 add_init_agent("instrument", options, false); |
2732 } | |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2733 #endif // !INCLUDE_JVMTI |
0 | 2734 // -Xnoclassgc |
2735 } else if (match_option(option, "-Xnoclassgc", &tail)) { | |
2736 FLAG_SET_CMDLINE(bool, ClassUnloading, false); | |
2737 // -Xincgc: i-CMS | |
2738 } else if (match_option(option, "-Xincgc", &tail)) { | |
2739 FLAG_SET_CMDLINE(bool, UseConcMarkSweepGC, true); | |
2740 FLAG_SET_CMDLINE(bool, CMSIncrementalMode, true); | |
2741 // -Xnoincgc: no i-CMS | |
2742 } else if (match_option(option, "-Xnoincgc", &tail)) { | |
2743 FLAG_SET_CMDLINE(bool, UseConcMarkSweepGC, false); | |
2744 FLAG_SET_CMDLINE(bool, CMSIncrementalMode, false); | |
2745 // -Xconcgc | |
2746 } else if (match_option(option, "-Xconcgc", &tail)) { | |
2747 FLAG_SET_CMDLINE(bool, UseConcMarkSweepGC, true); | |
2748 // -Xnoconcgc | |
2749 } else if (match_option(option, "-Xnoconcgc", &tail)) { | |
2750 FLAG_SET_CMDLINE(bool, UseConcMarkSweepGC, false); | |
2751 // -Xbatch | |
2752 } else if (match_option(option, "-Xbatch", &tail)) { | |
2753 FLAG_SET_CMDLINE(bool, BackgroundCompilation, false); | |
2754 // -Xmn for compatibility with other JVM vendors | |
2755 } else if (match_option(option, "-Xmn", &tail)) { | |
12831 | 2756 julong long_initial_young_size = 0; |
2757 ArgsRange errcode = parse_memory_size(tail, &long_initial_young_size, 1); | |
0 | 2758 if (errcode != arg_in_range) { |
2759 jio_fprintf(defaultStream::error_stream(), | |
12831 | 2760 "Invalid initial young generation size: %s\n", option->optionString); |
0 | 2761 describe_range_error(errcode); |
2762 return JNI_EINVAL; | |
2763 } | |
12831 | 2764 FLAG_SET_CMDLINE(uintx, MaxNewSize, (uintx)long_initial_young_size); |
2765 FLAG_SET_CMDLINE(uintx, NewSize, (uintx)long_initial_young_size); | |
0 | 2766 // -Xms |
2767 } else if (match_option(option, "-Xms", &tail)) { | |
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
2768 julong long_initial_heap_size = 0; |
10241
d17700c82d7d
8006088: Incompatible heap size flags accepted by VM
tschatzl
parents:
10240
diff
changeset
|
2769 // an initial heap size of 0 means automatically determine |
d17700c82d7d
8006088: Incompatible heap size flags accepted by VM
tschatzl
parents:
10240
diff
changeset
|
2770 ArgsRange errcode = parse_memory_size(tail, &long_initial_heap_size, 0); |
0 | 2771 if (errcode != arg_in_range) { |
2772 jio_fprintf(defaultStream::error_stream(), | |
2773 "Invalid initial heap size: %s\n", option->optionString); | |
2774 describe_range_error(errcode); | |
2775 return JNI_EINVAL; | |
2776 } | |
13059
46d7652b223c
8026853: Prepare GC code for collector policy regression fix
jwilhelm
parents:
13008
diff
changeset
|
2777 set_min_heap_size((uintx)long_initial_heap_size); |
0 | 2778 // 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
|
2779 // Can be overridden with -XX:InitialHeapSize. |
46d7652b223c
8026853: Prepare GC code for collector policy regression fix
jwilhelm
parents:
13008
diff
changeset
|
2780 FLAG_SET_CMDLINE(uintx, InitialHeapSize, (uintx)long_initial_heap_size); |
0 | 2781 // -Xmx |
10241
d17700c82d7d
8006088: Incompatible heap size flags accepted by VM
tschatzl
parents:
10240
diff
changeset
|
2782 } 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
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483
diff
changeset
|
2783 julong long_max_heap_size = 0; |
0 | 2784 ArgsRange errcode = parse_memory_size(tail, &long_max_heap_size, 1); |
2785 if (errcode != arg_in_range) { | |
2786 jio_fprintf(defaultStream::error_stream(), | |
2787 "Invalid maximum heap size: %s\n", option->optionString); | |
2788 describe_range_error(errcode); | |
2789 return JNI_EINVAL; | |
2790 } | |
1064 | 2791 FLAG_SET_CMDLINE(uintx, MaxHeapSize, (uintx)long_max_heap_size); |
0 | 2792 // Xmaxf |
2793 } else if (match_option(option, "-Xmaxf", &tail)) { | |
12896
027006a47a6d
8025661: Ill-formed -Xminf and -Xmaxf options values interpreted as 0
sjohanss
parents:
12840
diff
changeset
|
2794 char* err; |
027006a47a6d
8025661: Ill-formed -Xminf and -Xmaxf options values interpreted as 0
sjohanss
parents:
12840
diff
changeset
|
2795 int maxf = (int)(strtod(tail, &err) * 100); |
17648
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
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14260
diff
changeset
|
2796 if (*err != '\0' || *tail == '\0' || maxf < 0 || maxf > 100) { |
0 | 2797 jio_fprintf(defaultStream::error_stream(), |
2798 "Bad max heap free percentage size: %s\n", | |
2799 option->optionString); | |
2800 return JNI_EINVAL; | |
2801 } else { | |
2802 FLAG_SET_CMDLINE(uintx, MaxHeapFreeRatio, maxf); | |
2803 } | |
2804 // Xminf | |
2805 } 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
|
2806 char* err; |
027006a47a6d
8025661: Ill-formed -Xminf and -Xmaxf options values interpreted as 0
sjohanss
parents:
12840
diff
changeset
|
2807 int minf = (int)(strtod(tail, &err) * 100); |
17648
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14260
diff
changeset
|
2808 if (*err != '\0' || *tail == '\0' || minf < 0 || minf > 100) { |
0 | 2809 jio_fprintf(defaultStream::error_stream(), |
2810 "Bad min heap free percentage size: %s\n", | |
2811 option->optionString); | |
2812 return JNI_EINVAL; | |
2813 } else { | |
2814 FLAG_SET_CMDLINE(uintx, MinHeapFreeRatio, minf); | |
2815 } | |
2816 // -Xss | |
2817 } else if (match_option(option, "-Xss", &tail)) { | |
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
2818 julong long_ThreadStackSize = 0; |
0 | 2819 ArgsRange errcode = parse_memory_size(tail, &long_ThreadStackSize, 1000); |
2820 if (errcode != arg_in_range) { | |
2821 jio_fprintf(defaultStream::error_stream(), | |
2822 "Invalid thread stack size: %s\n", option->optionString); | |
2823 describe_range_error(errcode); | |
2824 return JNI_EINVAL; | |
2825 } | |
2826 // Internally track ThreadStackSize in units of 1024 bytes. | |
2827 FLAG_SET_CMDLINE(intx, ThreadStackSize, | |
2828 round_to((int)long_ThreadStackSize, K) / K); | |
2829 // -Xoss | |
2830 } else if (match_option(option, "-Xoss", &tail)) { | |
2831 // 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
|
2832 } else if (match_option(option, "-XX:CodeCacheExpansionSize=", &tail)) { |
738e04fb1232
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11006
diff
changeset
|
2833 julong long_CodeCacheExpansionSize = 0; |
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
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11006
diff
changeset
|
2834 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
|
2835 if (errcode != arg_in_range) { |
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2836 jio_fprintf(defaultStream::error_stream(), |
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2837 "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
|
2838 os::vm_page_size()/K); |
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2839 return JNI_EINVAL; |
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
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11006
diff
changeset
|
2840 } |
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2841 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
|
2842 } 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
|
2843 match_option(option, "-XX:ReservedCodeCacheSize=", &tail)) { |
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
2844 julong long_ReservedCodeCacheSize = 0; |
11079
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
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diff
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|
2845 |
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
|
2846 ArgsRange errcode = parse_memory_size(tail, &long_ReservedCodeCacheSize, 1); |
0 | 2847 if (errcode != arg_in_range) { |
2848 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
|
2849 "Invalid maximum code cache size: %s.\n", option->optionString); |
0 | 2850 return JNI_EINVAL; |
2851 } | |
2852 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
|
2853 //-XX:IncreaseFirstTierCompileThresholdAt= |
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
parents:
10294
diff
changeset
|
2854 } 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
|
2855 uintx uint_IncreaseFirstTierCompileThresholdAt = 0; |
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
parents:
10294
diff
changeset
|
2856 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
|
2857 jio_fprintf(defaultStream::error_stream(), |
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
parents:
10294
diff
changeset
|
2858 "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
|
2859 option->optionString); |
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
parents:
10294
diff
changeset
|
2860 return JNI_EINVAL; |
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
parents:
10294
diff
changeset
|
2861 } |
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
parents:
10294
diff
changeset
|
2862 FLAG_SET_CMDLINE(uintx, IncreaseFirstTierCompileThresholdAt, (uintx)uint_IncreaseFirstTierCompileThresholdAt); |
0 | 2863 // -green |
2864 } else if (match_option(option, "-green", &tail)) { | |
2865 jio_fprintf(defaultStream::error_stream(), | |
2866 "Green threads support not available\n"); | |
2867 return JNI_EINVAL; | |
2868 // -native | |
2869 } else if (match_option(option, "-native", &tail)) { | |
2870 // HotSpot always uses native threads, ignore silently for compatibility | |
2871 // -Xsqnopause | |
2872 } else if (match_option(option, "-Xsqnopause", &tail)) { | |
2873 // EVM option, ignore silently for compatibility | |
2874 // -Xrs | |
2875 } else if (match_option(option, "-Xrs", &tail)) { | |
2876 // Classic/EVM option, new functionality | |
2877 FLAG_SET_CMDLINE(bool, ReduceSignalUsage, true); | |
2878 } else if (match_option(option, "-Xusealtsigs", &tail)) { | |
2879 // change default internal VM signals used - lower case for back compat | |
2880 FLAG_SET_CMDLINE(bool, UseAltSigs, true); | |
2881 // -Xoptimize | |
2882 } else if (match_option(option, "-Xoptimize", &tail)) { | |
2883 // EVM option, ignore silently for compatibility | |
2884 // -Xprof | |
2885 } else if (match_option(option, "-Xprof", &tail)) { | |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2886 #if INCLUDE_FPROF |
0 | 2887 _has_profile = true; |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2888 #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
|
2889 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
|
2890 "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
|
2891 return JNI_ERR; |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2892 #endif // INCLUDE_FPROF |
0 | 2893 // -Xconcurrentio |
2894 } else if (match_option(option, "-Xconcurrentio", &tail)) { | |
2895 FLAG_SET_CMDLINE(bool, UseLWPSynchronization, true); | |
2896 FLAG_SET_CMDLINE(bool, BackgroundCompilation, false); | |
2897 FLAG_SET_CMDLINE(intx, DeferThrSuspendLoopCount, 1); | |
2898 FLAG_SET_CMDLINE(bool, UseTLAB, false); | |
2899 FLAG_SET_CMDLINE(uintx, NewSizeThreadIncrease, 16 * K); // 20Kb per thread added to new generation | |
2900 | |
2901 // -Xinternalversion | |
2902 } else if (match_option(option, "-Xinternalversion", &tail)) { | |
2903 jio_fprintf(defaultStream::output_stream(), "%s\n", | |
2904 VM_Version::internal_vm_info_string()); | |
2905 vm_exit(0); | |
2906 #ifndef PRODUCT | |
2907 // -Xprintflags | |
2908 } else if (match_option(option, "-Xprintflags", &tail)) { | |
4773 | 2909 CommandLineFlags::printFlags(tty, false); |
0 | 2910 vm_exit(0); |
2911 #endif | |
2912 // -D | |
2913 } else if (match_option(option, "-D", &tail)) { | |
2914 if (!add_property(tail)) { | |
2915 return JNI_ENOMEM; | |
2916 } | |
2917 // Out of the box management support | |
2918 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
|
2919 #if INCLUDE_MANAGEMENT |
0 | 2920 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
|
2921 #else |
8720
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
2922 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
|
2923 "-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
|
2924 return JNI_ERR; |
8081
579f6adb7f51
8003539: Minimal VM don't react to -Dcom.sun.management and -XX:+ManagementServer
jprovino
parents:
8002
diff
changeset
|
2925 #endif |
0 | 2926 } |
2927 // -Xint | |
2928 } else if (match_option(option, "-Xint", &tail)) { | |
2929 set_mode_flags(_int); | |
2930 // -Xmixed | |
2931 } else if (match_option(option, "-Xmixed", &tail)) { | |
2932 set_mode_flags(_mixed); | |
2933 // -Xcomp | |
2934 } else if (match_option(option, "-Xcomp", &tail)) { | |
2935 // for testing the compiler; turn off all flags that inhibit compilation | |
2936 set_mode_flags(_comp); | |
2937 // -Xshare:dump | |
2938 } else if (match_option(option, "-Xshare:dump", &tail)) { | |
2939 FLAG_SET_CMDLINE(bool, DumpSharedSpaces, true); | |
2940 set_mode_flags(_int); // Prevent compilation, which creates objects | |
2941 // -Xshare:on | |
2942 } else if (match_option(option, "-Xshare:on", &tail)) { | |
2943 FLAG_SET_CMDLINE(bool, UseSharedSpaces, true); | |
2944 FLAG_SET_CMDLINE(bool, RequireSharedSpaces, true); | |
2945 // -Xshare:auto | |
2946 } else if (match_option(option, "-Xshare:auto", &tail)) { | |
2947 FLAG_SET_CMDLINE(bool, UseSharedSpaces, true); | |
2948 FLAG_SET_CMDLINE(bool, RequireSharedSpaces, false); | |
2949 // -Xshare:off | |
2950 } else if (match_option(option, "-Xshare:off", &tail)) { | |
2951 FLAG_SET_CMDLINE(bool, UseSharedSpaces, false); | |
2952 FLAG_SET_CMDLINE(bool, RequireSharedSpaces, false); | |
2953 // -Xverify | |
2954 } else if (match_option(option, "-Xverify", &tail)) { | |
2955 if (strcmp(tail, ":all") == 0 || strcmp(tail, "") == 0) { | |
2956 FLAG_SET_CMDLINE(bool, BytecodeVerificationLocal, true); | |
2957 FLAG_SET_CMDLINE(bool, BytecodeVerificationRemote, true); | |
2958 } else if (strcmp(tail, ":remote") == 0) { | |
2959 FLAG_SET_CMDLINE(bool, BytecodeVerificationLocal, false); | |
2960 FLAG_SET_CMDLINE(bool, BytecodeVerificationRemote, true); | |
2961 } else if (strcmp(tail, ":none") == 0) { | |
2962 FLAG_SET_CMDLINE(bool, BytecodeVerificationLocal, false); | |
2963 FLAG_SET_CMDLINE(bool, BytecodeVerificationRemote, false); | |
2964 } else if (is_bad_option(option, args->ignoreUnrecognized, "verification")) { | |
2965 return JNI_EINVAL; | |
2966 } | |
2967 // -Xdebug | |
2968 } else if (match_option(option, "-Xdebug", &tail)) { | |
2969 // note this flag has been used, then ignore | |
2970 set_xdebug_mode(true); | |
2971 // -Xnoagent | |
2972 } else if (match_option(option, "-Xnoagent", &tail)) { | |
2973 // For compatibility with classic. HotSpot refuses to load the old style agent.dll. | |
2974 } else if (match_option(option, "-Xboundthreads", &tail)) { | |
2975 // Bind user level threads to kernel threads (Solaris only) | |
2976 FLAG_SET_CMDLINE(bool, UseBoundThreads, true); | |
2977 } else if (match_option(option, "-Xloggc:", &tail)) { | |
2978 // Redirect GC output to the file. -Xloggc:<filename> | |
2979 // ostream_init_log(), when called will use this filename | |
2980 // to initialize a fileStream. | |
2981 _gc_log_filename = strdup(tail); | |
12215 | 2982 if (!is_filename_valid(_gc_log_filename)) { |
2983 jio_fprintf(defaultStream::output_stream(), | |
2984 "Invalid file name for use with -Xloggc: Filename can only contain the " | |
2985 "characters [A-Z][a-z][0-9]-_.%%[p|t] but it has been %s\n" | |
2986 "Note %%p or %%t can only be used once\n", _gc_log_filename); | |
2987 return JNI_EINVAL; | |
2988 } | |
0 | 2989 FLAG_SET_CMDLINE(bool, PrintGC, true); |
2990 FLAG_SET_CMDLINE(bool, PrintGCTimeStamps, true); | |
2991 | |
2992 // JNI hooks | |
2993 } else if (match_option(option, "-Xcheck", &tail)) { | |
2994 if (!strcmp(tail, ":jni")) { | |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2995 #if !INCLUDE_JNI_CHECK |
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2996 warning("JNI CHECKING is not supported in this VM"); |
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2997 #else |
0 | 2998 CheckJNICalls = true; |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2999 #endif // INCLUDE_JNI_CHECK |
0 | 3000 } else if (is_bad_option(option, args->ignoreUnrecognized, |
3001 "check")) { | |
3002 return JNI_EINVAL; | |
3003 } | |
3004 } else if (match_option(option, "vfprintf", &tail)) { | |
3005 _vfprintf_hook = CAST_TO_FN_PTR(vfprintf_hook_t, option->extraInfo); | |
3006 } else if (match_option(option, "exit", &tail)) { | |
3007 _exit_hook = CAST_TO_FN_PTR(exit_hook_t, option->extraInfo); | |
3008 } else if (match_option(option, "abort", &tail)) { | |
3009 _abort_hook = CAST_TO_FN_PTR(abort_hook_t, option->extraInfo); | |
3010 // -XX:+AggressiveHeap | |
3011 } else if (match_option(option, "-XX:+AggressiveHeap", &tail)) { | |
3012 | |
3013 // This option inspects the machine and attempts to set various | |
3014 // parameters to be optimal for long-running, memory allocation | |
3015 // intensive jobs. It is intended for machines with large | |
3016 // amounts of cpu and memory. | |
3017 | |
3018 // initHeapSize is needed since _initial_heap_size is 4 bytes on a 32 bit | |
3019 // VM, but we may not be able to represent the total physical memory | |
3020 // available (like having 8gb of memory on a box but using a 32bit VM). | |
3021 // Thus, we need to make sure we're using a julong for intermediate | |
3022 // calculations. | |
3023 julong initHeapSize; | |
3024 julong total_memory = os::physical_memory(); | |
3025 | |
3026 if (total_memory < (julong)256*M) { | |
3027 jio_fprintf(defaultStream::error_stream(), | |
3028 "You need at least 256mb of memory to use -XX:+AggressiveHeap\n"); | |
3029 vm_exit(1); | |
3030 } | |
3031 | |
3032 // The heap size is half of available memory, or (at most) | |
3033 // all of possible memory less 160mb (leaving room for the OS | |
3034 // when using ISM). This is the maximum; because adaptive sizing | |
3035 // is turned on below, the actual space used may be smaller. | |
3036 | |
3037 initHeapSize = MIN2(total_memory / (julong)2, | |
3038 total_memory - (julong)160*M); | |
3039 | |
8854
754c24457b20
7112912: Message "Error occurred during initialization of VM" on boxes with lots of RAM
tschatzl
parents:
8824
diff
changeset
|
3040 initHeapSize = limit_by_allocatable_memory(initHeapSize); |
0 | 3041 |
3042 if (FLAG_IS_DEFAULT(MaxHeapSize)) { | |
3043 FLAG_SET_CMDLINE(uintx, MaxHeapSize, initHeapSize); | |
1064 | 3044 FLAG_SET_CMDLINE(uintx, InitialHeapSize, initHeapSize); |
0 | 3045 // Currently the minimum size and the initial heap sizes are the same. |
1064 | 3046 set_min_heap_size(initHeapSize); |
0 | 3047 } |
3048 if (FLAG_IS_DEFAULT(NewSize)) { | |
3049 // Make the young generation 3/8ths of the total heap. | |
3050 FLAG_SET_CMDLINE(uintx, NewSize, | |
3051 ((julong)MaxHeapSize / (julong)8) * (julong)3); | |
3052 FLAG_SET_CMDLINE(uintx, MaxNewSize, NewSize); | |
3053 } | |
3054 | |
6917
e81fbc04a942
7191817: -XX:+UseSerialGC -XX:+UseLargePages crashes with SIGFPE on MacOS X
coleenp
parents:
6916
diff
changeset
|
3055 #ifndef _ALLBSD_SOURCE // UseLargePages is not yet supported on BSD. |
0 | 3056 FLAG_SET_DEFAULT(UseLargePages, true); |
6917
e81fbc04a942
7191817: -XX:+UseSerialGC -XX:+UseLargePages crashes with SIGFPE on MacOS X
coleenp
parents:
6916
diff
changeset
|
3057 #endif |
0 | 3058 |
3059 // Increase some data structure sizes for efficiency | |
3060 FLAG_SET_CMDLINE(uintx, BaseFootPrintEstimate, MaxHeapSize); | |
3061 FLAG_SET_CMDLINE(bool, ResizeTLAB, false); | |
3062 FLAG_SET_CMDLINE(uintx, TLABSize, 256*K); | |
3063 | |
3064 // See the OldPLABSize comment below, but replace 'after promotion' | |
3065 // with 'after copying'. YoungPLABSize is the size of the survivor | |
3066 // space per-gc-thread buffers. The default is 4kw. | |
3067 FLAG_SET_CMDLINE(uintx, YoungPLABSize, 256*K); // Note: this is in words | |
3068 | |
3069 // OldPLABSize is the size of the buffers in the old gen that | |
3070 // UseParallelGC uses to promote live data that doesn't fit in the | |
3071 // survivor spaces. At any given time, there's one for each gc thread. | |
3072 // The default size is 1kw. These buffers are rarely used, since the | |
3073 // survivor spaces are usually big enough. For specjbb, however, there | |
3074 // are occasions when there's lots of live data in the young gen | |
3075 // and we end up promoting some of it. We don't have a definite | |
3076 // explanation for why bumping OldPLABSize helps, but the theory | |
3077 // is that a bigger PLAB results in retaining something like the | |
3078 // original allocation order after promotion, which improves mutator | |
3079 // locality. A minor effect may be that larger PLABs reduce the | |
3080 // number of PLAB allocation events during gc. The value of 8kw | |
3081 // was arrived at by experimenting with specjbb. | |
3082 FLAG_SET_CMDLINE(uintx, OldPLABSize, 8*K); // Note: this is in words | |
3083 | |
3084 // Enable parallel GC and adaptive generation sizing | |
3085 FLAG_SET_CMDLINE(bool, UseParallelGC, true); | |
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
3086 FLAG_SET_DEFAULT(ParallelGCThreads, |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
3087 Abstract_VM_Version::parallel_worker_threads()); |
0 | 3088 |
3089 // Encourage steady state memory management | |
3090 FLAG_SET_CMDLINE(uintx, ThresholdTolerance, 100); | |
3091 | |
3092 // This appears to improve mutator locality | |
3093 FLAG_SET_CMDLINE(bool, ScavengeBeforeFullGC, false); | |
3094 | |
3095 // Get around early Solaris scheduling bug | |
3096 // (affinity vs other jobs on system) | |
3097 // but disallow DR and offlining (5008695). | |
3098 FLAG_SET_CMDLINE(bool, BindGCTaskThreadsToCPUs, true); | |
3099 | |
3100 } else if (match_option(option, "-XX:+NeverTenure", &tail)) { | |
3101 // The last option must always win. | |
3102 FLAG_SET_CMDLINE(bool, AlwaysTenure, false); | |
3103 FLAG_SET_CMDLINE(bool, NeverTenure, true); | |
3104 } else if (match_option(option, "-XX:+AlwaysTenure", &tail)) { | |
3105 // The last option must always win. | |
3106 FLAG_SET_CMDLINE(bool, NeverTenure, false); | |
3107 FLAG_SET_CMDLINE(bool, AlwaysTenure, true); | |
3108 } else if (match_option(option, "-XX:+CMSPermGenSweepingEnabled", &tail) || | |
3109 match_option(option, "-XX:-CMSPermGenSweepingEnabled", &tail)) { | |
3110 jio_fprintf(defaultStream::error_stream(), | |
3111 "Please use CMSClassUnloadingEnabled in place of " | |
3112 "CMSPermGenSweepingEnabled in the future\n"); | |
3113 } else if (match_option(option, "-XX:+UseGCTimeLimit", &tail)) { | |
3114 FLAG_SET_CMDLINE(bool, UseGCOverheadLimit, true); | |
3115 jio_fprintf(defaultStream::error_stream(), | |
3116 "Please use -XX:+UseGCOverheadLimit in place of " | |
3117 "-XX:+UseGCTimeLimit in the future\n"); | |
3118 } else if (match_option(option, "-XX:-UseGCTimeLimit", &tail)) { | |
3119 FLAG_SET_CMDLINE(bool, UseGCOverheadLimit, false); | |
3120 jio_fprintf(defaultStream::error_stream(), | |
3121 "Please use -XX:-UseGCOverheadLimit in place of " | |
3122 "-XX:-UseGCTimeLimit in the future\n"); | |
3123 // The TLE options are for compatibility with 1.3 and will be | |
3124 // removed without notice in a future release. These options | |
3125 // are not to be documented. | |
3126 } else if (match_option(option, "-XX:MaxTLERatio=", &tail)) { | |
3127 // No longer used. | |
3128 } else if (match_option(option, "-XX:+ResizeTLE", &tail)) { | |
3129 FLAG_SET_CMDLINE(bool, ResizeTLAB, true); | |
3130 } else if (match_option(option, "-XX:-ResizeTLE", &tail)) { | |
3131 FLAG_SET_CMDLINE(bool, ResizeTLAB, false); | |
3132 } else if (match_option(option, "-XX:+PrintTLE", &tail)) { | |
3133 FLAG_SET_CMDLINE(bool, PrintTLAB, true); | |
3134 } else if (match_option(option, "-XX:-PrintTLE", &tail)) { | |
3135 FLAG_SET_CMDLINE(bool, PrintTLAB, false); | |
3136 } else if (match_option(option, "-XX:TLEFragmentationRatio=", &tail)) { | |
3137 // No longer used. | |
3138 } else if (match_option(option, "-XX:TLESize=", &tail)) { | |
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
3139 julong long_tlab_size = 0; |
0 | 3140 ArgsRange errcode = parse_memory_size(tail, &long_tlab_size, 1); |
3141 if (errcode != arg_in_range) { | |
3142 jio_fprintf(defaultStream::error_stream(), | |
3143 "Invalid TLAB size: %s\n", option->optionString); | |
3144 describe_range_error(errcode); | |
3145 return JNI_EINVAL; | |
3146 } | |
3147 FLAG_SET_CMDLINE(uintx, TLABSize, long_tlab_size); | |
3148 } else if (match_option(option, "-XX:TLEThreadRatio=", &tail)) { | |
3149 // No longer used. | |
3150 } else if (match_option(option, "-XX:+UseTLE", &tail)) { | |
3151 FLAG_SET_CMDLINE(bool, UseTLAB, true); | |
3152 } else if (match_option(option, "-XX:-UseTLE", &tail)) { | |
3153 FLAG_SET_CMDLINE(bool, UseTLAB, false); | |
3154 } else if (match_option(option, "-XX:+DisplayVMOutputToStderr", &tail)) { | |
3155 FLAG_SET_CMDLINE(bool, DisplayVMOutputToStdout, false); | |
3156 FLAG_SET_CMDLINE(bool, DisplayVMOutputToStderr, true); | |
3157 } else if (match_option(option, "-XX:+DisplayVMOutputToStdout", &tail)) { | |
3158 FLAG_SET_CMDLINE(bool, DisplayVMOutputToStderr, false); | |
3159 FLAG_SET_CMDLINE(bool, DisplayVMOutputToStdout, true); | |
3160 } else if (match_option(option, "-XX:+ExtendedDTraceProbes", &tail)) { | |
4006 | 3161 #if defined(DTRACE_ENABLED) |
0 | 3162 FLAG_SET_CMDLINE(bool, ExtendedDTraceProbes, true); |
3163 FLAG_SET_CMDLINE(bool, DTraceMethodProbes, true); | |
3164 FLAG_SET_CMDLINE(bool, DTraceAllocProbes, true); | |
3165 FLAG_SET_CMDLINE(bool, DTraceMonitorProbes, true); | |
4006 | 3166 #else // defined(DTRACE_ENABLED) |
0 | 3167 jio_fprintf(defaultStream::error_stream(), |
4006 | 3168 "ExtendedDTraceProbes flag is not applicable for this configuration\n"); |
0 | 3169 return JNI_EINVAL; |
4006 | 3170 #endif // defined(DTRACE_ENABLED) |
0 | 3171 #ifdef ASSERT |
1145
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3172 } else if (match_option(option, "-XX:+FullGCALot", &tail)) { |
0 | 3173 FLAG_SET_CMDLINE(bool, FullGCALot, true); |
3174 // disable scavenge before parallel mark-compact | |
3175 FLAG_SET_CMDLINE(bool, ScavengeBeforeFullGC, false); | |
3176 #endif | |
1145
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3177 } else if (match_option(option, "-XX:CMSParPromoteBlocksToClaim=", &tail)) { |
0 | 3178 julong cms_blocks_to_claim = (julong)atol(tail); |
3179 FLAG_SET_CMDLINE(uintx, CMSParPromoteBlocksToClaim, cms_blocks_to_claim); | |
3180 jio_fprintf(defaultStream::error_stream(), | |
1145
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3181 "Please use -XX:OldPLABSize in place of " |
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3182 "-XX:CMSParPromoteBlocksToClaim in the future\n"); |
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3183 } else if (match_option(option, "-XX:ParCMSPromoteBlocksToClaim=", &tail)) { |
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3184 julong cms_blocks_to_claim = (julong)atol(tail); |
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3185 FLAG_SET_CMDLINE(uintx, CMSParPromoteBlocksToClaim, cms_blocks_to_claim); |
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3186 jio_fprintf(defaultStream::error_stream(), |
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3187 "Please use -XX:OldPLABSize in place of " |
0 | 3188 "-XX:ParCMSPromoteBlocksToClaim in the future\n"); |
1145
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3189 } else if (match_option(option, "-XX:ParallelGCOldGenAllocBufferSize=", &tail)) { |
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
3190 julong old_plab_size = 0; |
0 | 3191 ArgsRange errcode = parse_memory_size(tail, &old_plab_size, 1); |
3192 if (errcode != arg_in_range) { | |
3193 jio_fprintf(defaultStream::error_stream(), | |
3194 "Invalid old PLAB size: %s\n", option->optionString); | |
3195 describe_range_error(errcode); | |
3196 return JNI_EINVAL; | |
3197 } | |
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
3198 FLAG_SET_CMDLINE(uintx, OldPLABSize, old_plab_size); |
0 | 3199 jio_fprintf(defaultStream::error_stream(), |
3200 "Please use -XX:OldPLABSize in place of " | |
3201 "-XX:ParallelGCOldGenAllocBufferSize in the future\n"); | |
1145
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3202 } else if (match_option(option, "-XX:ParallelGCToSpaceAllocBufferSize=", &tail)) { |
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
3203 julong young_plab_size = 0; |
0 | 3204 ArgsRange errcode = parse_memory_size(tail, &young_plab_size, 1); |
3205 if (errcode != arg_in_range) { | |
3206 jio_fprintf(defaultStream::error_stream(), | |
3207 "Invalid young PLAB size: %s\n", option->optionString); | |
3208 describe_range_error(errcode); | |
3209 return JNI_EINVAL; | |
3210 } | |
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
3211 FLAG_SET_CMDLINE(uintx, YoungPLABSize, young_plab_size); |
0 | 3212 jio_fprintf(defaultStream::error_stream(), |
3213 "Please use -XX:YoungPLABSize in place of " | |
3214 "-XX:ParallelGCToSpaceAllocBufferSize in the future\n"); | |
1284 | 3215 } else if (match_option(option, "-XX:CMSMarkStackSize=", &tail) || |
3216 match_option(option, "-XX:G1MarkStackSize=", &tail)) { | |
3217 julong stack_size = 0; | |
3218 ArgsRange errcode = parse_memory_size(tail, &stack_size, 1); | |
3219 if (errcode != arg_in_range) { | |
3220 jio_fprintf(defaultStream::error_stream(), | |
3221 "Invalid mark stack size: %s\n", option->optionString); | |
3222 describe_range_error(errcode); | |
3223 return JNI_EINVAL; | |
3224 } | |
3225 FLAG_SET_CMDLINE(uintx, MarkStackSize, stack_size); | |
3226 } else if (match_option(option, "-XX:CMSMarkStackSizeMax=", &tail)) { | |
3227 julong max_stack_size = 0; | |
3228 ArgsRange errcode = parse_memory_size(tail, &max_stack_size, 1); | |
3229 if (errcode != arg_in_range) { | |
3230 jio_fprintf(defaultStream::error_stream(), | |
3231 "Invalid maximum mark stack size: %s\n", | |
3232 option->optionString); | |
3233 describe_range_error(errcode); | |
3234 return JNI_EINVAL; | |
3235 } | |
3236 FLAG_SET_CMDLINE(uintx, MarkStackSizeMax, max_stack_size); | |
3237 } else if (match_option(option, "-XX:ParallelMarkingThreads=", &tail) || | |
3238 match_option(option, "-XX:ParallelCMSThreads=", &tail)) { | |
3239 uintx conc_threads = 0; | |
3240 if (!parse_uintx(tail, &conc_threads, 1)) { | |
3241 jio_fprintf(defaultStream::error_stream(), | |
3242 "Invalid concurrent threads: %s\n", option->optionString); | |
3243 return JNI_EINVAL; | |
3244 } | |
3245 FLAG_SET_CMDLINE(uintx, ConcGCThreads, conc_threads); | |
6199
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3246 } else if (match_option(option, "-XX:MaxDirectMemorySize=", &tail)) { |
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3247 julong max_direct_memory_size = 0; |
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3248 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
|
3249 if (errcode != arg_in_range) { |
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3250 jio_fprintf(defaultStream::error_stream(), |
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3251 "Invalid maximum direct memory size: %s\n", |
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3252 option->optionString); |
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3253 describe_range_error(errcode); |
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3254 return JNI_EINVAL; |
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3255 } |
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3256 FLAG_SET_CMDLINE(uintx, MaxDirectMemorySize, max_direct_memory_size); |
6878
85916677fc22
7188233: UseVMInterruptibleIO flag deprecate for JDK8
coleenp
parents:
6857
diff
changeset
|
3257 } else if (match_option(option, "-XX:+UseVMInterruptibleIO", &tail)) { |
85916677fc22
7188233: UseVMInterruptibleIO flag deprecate for JDK8
coleenp
parents:
6857
diff
changeset
|
3258 // NOTE! In JDK 9, the UseVMInterruptibleIO flag will completely go |
85916677fc22
7188233: UseVMInterruptibleIO flag deprecate for JDK8
coleenp
parents:
6857
diff
changeset
|
3259 // away and will cause VM initialization failures! |
85916677fc22
7188233: UseVMInterruptibleIO flag deprecate for JDK8
coleenp
parents:
6857
diff
changeset
|
3260 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
|
3261 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
|
3262 #if !INCLUDE_MANAGEMENT |
579f6adb7f51
8003539: Minimal VM don't react to -Dcom.sun.management and -XX:+ManagementServer
jprovino
parents:
8002
diff
changeset
|
3263 } 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
|
3264 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
|
3265 "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
|
3266 return JNI_ERR; |
8081
579f6adb7f51
8003539: Minimal VM don't react to -Dcom.sun.management and -XX:+ManagementServer
jprovino
parents:
8002
diff
changeset
|
3267 #endif // INCLUDE_MANAGEMENT |
1145
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3268 } else if (match_option(option, "-XX:", &tail)) { // -XX:xxxx |
0 | 3269 // Skip -XX:Flags= since that case has already been handled |
3270 if (strncmp(tail, "Flags=", strlen("Flags=")) != 0) { | |
3271 if (!process_argument(tail, args->ignoreUnrecognized, origin)) { | |
3272 return JNI_EINVAL; | |
3273 } | |
3274 } | |
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
|
3275 } |
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
|
3276 #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
|
3277 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
|
3278 // 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
|
3279 if (PrintVMOptions) { |
7125
1baf7f1e3f23
decoupled C++ Graal runtime from C1
Doug Simon <doug.simon@oracle.com>
parents:
7066
diff
changeset
|
3280 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
|
3281 } |
2891
75a99b4f1c98
Rebranded C++ part from C1X to Graal.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2873
diff
changeset
|
3282 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
|
3283 |
0 | 3284 // 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
|
3285 } |
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
|
3286 #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
|
3287 else if (is_bad_option(option, args->ignoreUnrecognized)) { |
0 | 3288 return JNI_ERR; |
3289 } | |
3290 } | |
3767
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
3291 |
449
171e581e8161
6554406: Change switch UseVMInterruptibleIO default to false (sol)
xlu
parents:
420
diff
changeset
|
3292 // 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
|
3293 // when working with older JDKs. |
1679
3d90023429ec
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
1628
diff
changeset
|
3294 #ifdef LINUX |
3d90023429ec
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
1628
diff
changeset
|
3295 if (JDK_Version::current().compare_major(6) <= 0 && |
3d90023429ec
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
1628
diff
changeset
|
3296 FLAG_IS_DEFAULT(UseLinuxPosixThreadCPUClocks)) { |
3d90023429ec
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
1628
diff
changeset
|
3297 FLAG_SET_DEFAULT(UseLinuxPosixThreadCPUClocks, false); |
3d90023429ec
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
1628
diff
changeset
|
3298 } |
3d90023429ec
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
1628
diff
changeset
|
3299 #endif // LINUX |
0 | 3300 return JNI_OK; |
3301 } | |
3302 | |
3303 jint Arguments::finalize_vm_init_args(SysClassPath* scp_p, bool scp_assembly_required) { | |
3304 // This must be done after all -D arguments have been processed. | |
3305 scp_p->expand_endorsed(); | |
3306 | |
16395
ad431bf0de07
added support to load classes from graal.jar with a separate class loader
Doug Simon <doug.simon@oracle.com>
parents:
15015
diff
changeset
|
3307 #ifdef GRAAL |
ad431bf0de07
added support to load classes from graal.jar with a separate class loader
Doug Simon <doug.simon@oracle.com>
parents:
15015
diff
changeset
|
3308 if (!UseGraalClassLoader) { |
ad431bf0de07
added support to load classes from graal.jar with a separate class loader
Doug Simon <doug.simon@oracle.com>
parents:
15015
diff
changeset
|
3309 // Append graal.jar to boot class path |
ad431bf0de07
added support to load classes from graal.jar with a separate class loader
Doug Simon <doug.simon@oracle.com>
parents:
15015
diff
changeset
|
3310 const char* home = Arguments::get_java_home(); |
16623
addc0564e5b5
split com.oracle.graal.truffle.* projects into a separate graal-truffle.jar and added truffle.jar to the boot class path
Doug Simon <doug.simon@oracle.com>
parents:
16395
diff
changeset
|
3311 scp_p->add_suffix(os::format_boot_path("%/lib/graal.jar:%/lib/graal-truffle.jar", home, (int)strlen(home), os::file_separator()[0], os::path_separator()[0])); |
16395
ad431bf0de07
added support to load classes from graal.jar with a separate class loader
Doug Simon <doug.simon@oracle.com>
parents:
15015
diff
changeset
|
3312 scp_assembly_required = true; |
ad431bf0de07
added support to load classes from graal.jar with a separate class loader
Doug Simon <doug.simon@oracle.com>
parents:
15015
diff
changeset
|
3313 } |
ad431bf0de07
added support to load classes from graal.jar with a separate class loader
Doug Simon <doug.simon@oracle.com>
parents:
15015
diff
changeset
|
3314 #endif |
ad431bf0de07
added support to load classes from graal.jar with a separate class loader
Doug Simon <doug.simon@oracle.com>
parents:
15015
diff
changeset
|
3315 |
0 | 3316 if (scp_assembly_required || scp_p->get_endorsed() != NULL) { |
3317 // Assemble the bootclasspath elements into the final path. | |
3318 Arguments::set_sysclasspath(scp_p->combined_path()); | |
3319 } | |
3320 | |
3321 // This must be done after all arguments have been processed. | |
3322 // java_compiler() true means set to "NONE" or empty. | |
3323 if (java_compiler() && !xdebug_mode()) { | |
3324 // For backwards compatibility, we switch to interpreted mode if | |
3325 // -Djava.compiler="NONE" or "" is specified AND "-Xdebug" was | |
3326 // not specified. | |
3327 set_mode_flags(_int); | |
3328 } | |
3329 if (CompileThreshold == 0) { | |
3330 set_mode_flags(_int); | |
3331 } | |
3332 | |
10292
acac2b03a07f
8014765: VM exits if MaxTenuringThreshold is set below the default InitialTenuringThreshold, and InitialTenuringThreshold is not set
tschatzl
parents:
10287
diff
changeset
|
3333 // 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
|
3334 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
|
3335 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
|
3336 } |
acac2b03a07f
8014765: VM exits if MaxTenuringThreshold is set below the default InitialTenuringThreshold, and InitialTenuringThreshold is not set
tschatzl
parents:
10287
diff
changeset
|
3337 |
0 | 3338 #ifndef COMPILER2 |
3339 // Don't degrade server performance for footprint | |
3340 if (FLAG_IS_DEFAULT(UseLargePages) && | |
3341 MaxHeapSize < LargePageHeapSizeThreshold) { | |
3342 // No need for large granularity pages w/small heaps. | |
3343 // Note that large pages are enabled/disabled for both the | |
3344 // Java heap and the code cache. | |
3345 FLAG_SET_DEFAULT(UseLargePages, false); | |
3346 } | |
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
3347 |
0 | 3348 #else |
3349 if (!FLAG_IS_DEFAULT(OptoLoopAlignment) && FLAG_IS_DEFAULT(MaxLoopPad)) { | |
3350 FLAG_SET_DEFAULT(MaxLoopPad, OptoLoopAlignment-1); | |
3351 } | |
3352 #endif | |
3353 | |
11999
79a5283f4595
8021120: TieredCompilation can be enabled even if TIERED is undefined
iignatyev
parents:
11154
diff
changeset
|
3354 #ifndef TIERED |
79a5283f4595
8021120: TieredCompilation can be enabled even if TIERED is undefined
iignatyev
parents:
11154
diff
changeset
|
3355 // Tiered compilation is undefined. |
79a5283f4595
8021120: TieredCompilation can be enabled even if TIERED is undefined
iignatyev
parents:
11154
diff
changeset
|
3356 UNSUPPORTED_OPTION(TieredCompilation, "TieredCompilation"); |
79a5283f4595
8021120: TieredCompilation can be enabled even if TIERED is undefined
iignatyev
parents:
11154
diff
changeset
|
3357 #endif |
79a5283f4595
8021120: TieredCompilation can be enabled even if TIERED is undefined
iignatyev
parents:
11154
diff
changeset
|
3358 |
1681
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3359 // 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
|
3360 // to be true unless the property has already been set. |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3361 // 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
|
3362 if (os::is_headless_jre()) { |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3363 const char* headless = Arguments::get_property("java.awt.headless"); |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3364 if (headless == NULL) { |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3365 char envbuffer[128]; |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3366 if (!os::getenv("JAVA_AWT_HEADLESS", envbuffer, sizeof(envbuffer))) { |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3367 if (!add_property("java.awt.headless=true")) { |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3368 return JNI_ENOMEM; |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3369 } |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3370 } else { |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3371 char buffer[256]; |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3372 strcpy(buffer, "java.awt.headless="); |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3373 strcat(buffer, envbuffer); |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3374 if (!add_property(buffer)) { |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3375 return JNI_ENOMEM; |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3376 } |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3377 } |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3378 } |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3379 } |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3380 |
0 | 3381 if (!check_vm_args_consistency()) { |
3382 return JNI_ERR; | |
3383 } | |
3384 | |
3385 return JNI_OK; | |
3386 } | |
3387 | |
3388 jint Arguments::parse_java_options_environment_variable(SysClassPath* scp_p, bool* scp_assembly_required_p) { | |
3389 return parse_options_environment_variable("_JAVA_OPTIONS", scp_p, | |
3390 scp_assembly_required_p); | |
3391 } | |
3392 | |
3393 jint Arguments::parse_java_tool_options_environment_variable(SysClassPath* scp_p, bool* scp_assembly_required_p) { | |
3394 return parse_options_environment_variable("JAVA_TOOL_OPTIONS", scp_p, | |
3395 scp_assembly_required_p); | |
3396 } | |
3397 | |
3398 jint Arguments::parse_options_environment_variable(const char* name, SysClassPath* scp_p, bool* scp_assembly_required_p) { | |
3399 const int N_MAX_OPTIONS = 64; | |
3400 const int OPTION_BUFFER_SIZE = 1024; | |
3401 char buffer[OPTION_BUFFER_SIZE]; | |
3402 | |
3403 // The variable will be ignored if it exceeds the length of the buffer. | |
3404 // Don't check this variable if user has special privileges | |
3405 // (e.g. unix su command). | |
3406 if (os::getenv(name, buffer, sizeof(buffer)) && | |
3407 !os::have_special_privileges()) { | |
3408 JavaVMOption options[N_MAX_OPTIONS]; // Construct option array | |
3409 jio_fprintf(defaultStream::error_stream(), | |
3410 "Picked up %s: %s\n", name, buffer); | |
3411 char* rd = buffer; // pointer to the input string (rd) | |
3412 int i; | |
3413 for (i = 0; i < N_MAX_OPTIONS;) { // repeat for all options in the input string | |
3414 while (isspace(*rd)) rd++; // skip whitespace | |
3415 if (*rd == 0) break; // we re done when the input string is read completely | |
3416 | |
3417 // The output, option string, overwrites the input string. | |
3418 // Because of quoting, the pointer to the option string (wrt) may lag the pointer to | |
3419 // input string (rd). | |
3420 char* wrt = rd; | |
3421 | |
3422 options[i++].optionString = wrt; // Fill in option | |
3423 while (*rd != 0 && !isspace(*rd)) { // unquoted strings terminate with a space or NULL | |
3424 if (*rd == '\'' || *rd == '"') { // handle a quoted string | |
3425 int quote = *rd; // matching quote to look for | |
3426 rd++; // don't copy open quote | |
3427 while (*rd != quote) { // include everything (even spaces) up until quote | |
3428 if (*rd == 0) { // string termination means unmatched string | |
3429 jio_fprintf(defaultStream::error_stream(), | |
3430 "Unmatched quote in %s\n", name); | |
3431 return JNI_ERR; | |
3432 } | |
3433 *wrt++ = *rd++; // copy to option string | |
3434 } | |
3435 rd++; // don't copy close quote | |
3436 } else { | |
3437 *wrt++ = *rd++; // copy to option string | |
3438 } | |
3439 } | |
3440 // Need to check if we're done before writing a NULL, | |
3441 // because the write could be to the byte that rd is pointing to. | |
3442 if (*rd++ == 0) { | |
3443 *wrt = 0; | |
3444 break; | |
3445 } | |
3446 *wrt = 0; // Zero terminate option | |
3447 } | |
3448 // Construct JavaVMInitArgs structure and parse as if it was part of the command line | |
3449 JavaVMInitArgs vm_args; | |
3450 vm_args.version = JNI_VERSION_1_2; | |
3451 vm_args.options = options; | |
3452 vm_args.nOptions = i; | |
564 | 3453 vm_args.ignoreUnrecognized = IgnoreUnrecognizedVMOptions; |
0 | 3454 |
3455 if (PrintVMOptions) { | |
3456 const char* tail; | |
3457 for (int i = 0; i < vm_args.nOptions; i++) { | |
3458 const JavaVMOption *option = vm_args.options + i; | |
3459 if (match_option(option, "-XX:", &tail)) { | |
3460 logOption(tail); | |
3461 } | |
3462 } | |
3463 } | |
3464 | |
12322
72b7e96c1922
8024545: make develop and notproduct flag values available in product builds
twisti
parents:
12269
diff
changeset
|
3465 return(parse_each_vm_init_arg(&vm_args, scp_p, scp_assembly_required_p, Flag::ENVIRON_VAR)); |
0 | 3466 } |
3467 return JNI_OK; | |
3468 } | |
3469 | |
2362
a2c2eac1ca62
7018056: large pages not always enabled by default
jcoomes
parents:
2302
diff
changeset
|
3470 void Arguments::set_shared_spaces_flags() { |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3471 if (DumpSharedSpaces) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3472 if (RequireSharedSpaces) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3473 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
|
3474 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3475 UseSharedSpaces = false; |
12056
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
3476 #ifdef _LP64 |
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
3477 if (!UseCompressedOops || !UseCompressedClassPointers) { |
12056
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
3478 vm_exit_during_initialization( |
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
3479 "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
|
3480 } |
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
3481 } else { |
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
3482 // UseCompressedOops and UseCompressedClassPointers must be on for UseSharedSpaces. |
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
3483 if (!UseCompressedOops || !UseCompressedClassPointers) { |
12056
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
3484 no_shared_spaces(); |
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 #endif |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3487 } |
2362
a2c2eac1ca62
7018056: large pages not always enabled by default
jcoomes
parents:
2302
diff
changeset
|
3488 } |
1891
9de67bf4244d
6996136: VM crash in src/share/vm/runtime/virtualspace.cpp:424
iveresov
parents:
1890
diff
changeset
|
3489 |
9060
cc32ccaaf47f
8003310: Enable -Wunused-function when compiling with gcc
mikael
parents:
8847
diff
changeset
|
3490 #if !INCLUDE_ALL_GCS |
8086
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3491 static void force_serial_gc() { |
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3492 FLAG_SET_DEFAULT(UseSerialGC, true); |
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3493 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
|
3494 UNSUPPORTED_GC_OPTION(UseG1GC); |
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3495 UNSUPPORTED_GC_OPTION(UseParallelGC); |
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3496 UNSUPPORTED_GC_OPTION(UseParallelOldGC); |
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3497 UNSUPPORTED_GC_OPTION(UseConcMarkSweepGC); |
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3498 UNSUPPORTED_GC_OPTION(UseParNewGC); |
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3499 } |
9060
cc32ccaaf47f
8003310: Enable -Wunused-function when compiling with gcc
mikael
parents:
8847
diff
changeset
|
3500 #endif // INCLUDE_ALL_GCS |
8086
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3501 |
10270
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3502 // Sharing support |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3503 // Construct the path to the archive |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3504 static char* get_shared_archive_path() { |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3505 char *shared_archive_path; |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3506 if (SharedArchiveFile == NULL) { |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3507 char jvm_path[JVM_MAXPATHLEN]; |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3508 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
|
3509 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
|
3510 if (end != NULL) *end = '\0'; |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3511 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
|
3512 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
|
3513 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
|
3514 file_sep_len + 20, mtInternal); |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3515 if (shared_archive_path != NULL) { |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3516 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
|
3517 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
|
3518 strncat(shared_archive_path, "classes.jsa", 11); |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3519 } |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3520 } else { |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3521 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
|
3522 if (shared_archive_path != NULL) { |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3523 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
|
3524 } |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3525 } |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3526 return shared_archive_path; |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3527 } |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3528 |
12257
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3529 #ifndef PRODUCT |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3530 // 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
|
3531 static bool use_vm_log() { |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3532 if (LogCompilation || !FLAG_IS_DEFAULT(LogFile) || |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3533 PrintCompilation || PrintInlining || PrintDependencies || PrintNativeNMethods || |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3534 PrintDebugInfo || PrintRelocations || PrintNMethods || PrintExceptionHandlers || |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3535 PrintAssembly || TraceDeoptimization || TraceDependencies || |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3536 (VerifyDependencies && FLAG_IS_CMDLINE(VerifyDependencies))) { |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3537 return true; |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3538 } |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3539 |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3540 #ifdef COMPILER1 |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3541 if (PrintC1Statistics) { |
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 #endif // COMPILER1 |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3545 |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3546 #ifdef COMPILER2 |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3547 if (PrintOptoAssembly || PrintOptoStatistics) { |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3548 return true; |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3549 } |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3550 #endif // COMPILER2 |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3551 |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3552 return false; |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3553 } |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3554 #endif // PRODUCT |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3555 |
0 | 3556 // Parse entry point called from JNI_CreateJavaVM |
3557 | |
3558 jint Arguments::parse(const JavaVMInitArgs* args) { | |
3559 | |
3560 // Remaining part of option string | |
3561 const char* tail; | |
3562 | |
3563 // 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
|
3564 const char* hotspotrc = ".hotspotrc"; |
0 | 3565 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
|
3566 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
|
3567 |
564 | 3568 const char* flags_file; |
0 | 3569 int index; |
3570 for (index = 0; index < args->nOptions; index++) { | |
3571 const JavaVMOption *option = args->options + index; | |
3572 if (match_option(option, "-XX:Flags=", &tail)) { | |
564 | 3573 flags_file = tail; |
0 | 3574 settings_file_specified = true; |
3575 } | |
3576 if (match_option(option, "-XX:+PrintVMOptions", &tail)) { | |
3577 PrintVMOptions = true; | |
3578 } | |
253
b0fe4deeb9fb
6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.")
kvn
parents:
196
diff
changeset
|
3579 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
|
3580 PrintVMOptions = false; |
b0fe4deeb9fb
6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.")
kvn
parents:
196
diff
changeset
|
3581 } |
564 | 3582 if (match_option(option, "-XX:+IgnoreUnrecognizedVMOptions", &tail)) { |
3583 IgnoreUnrecognizedVMOptions = true; | |
3584 } | |
3585 if (match_option(option, "-XX:-IgnoreUnrecognizedVMOptions", &tail)) { | |
3586 IgnoreUnrecognizedVMOptions = false; | |
3587 } | |
1150 | 3588 if (match_option(option, "-XX:+PrintFlagsInitial", &tail)) { |
4773 | 3589 CommandLineFlags::printFlags(tty, false); |
1150 | 3590 vm_exit(0); |
3591 } | |
6197 | 3592 if (match_option(option, "-XX:NativeMemoryTracking", &tail)) { |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3593 #if INCLUDE_NMT |
6197 | 3594 MemTracker::init_tracking_options(tail); |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3595 #else |
8720
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
3596 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
|
3597 "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
|
3598 return JNI_ERR; |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3599 #endif |
6197 | 3600 } |
3601 | |
1768
6ee479178066
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
1745
diff
changeset
|
3602 |
6ee479178066
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
1745
diff
changeset
|
3603 #ifndef PRODUCT |
6ee479178066
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
1745
diff
changeset
|
3604 if (match_option(option, "-XX:+PrintFlagsWithComments", &tail)) { |
4773 | 3605 CommandLineFlags::printFlags(tty, true); |
1768
6ee479178066
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
1745
diff
changeset
|
3606 vm_exit(0); |
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 #endif |
564 | 3609 } |
3610 | |
3611 if (IgnoreUnrecognizedVMOptions) { | |
3612 // uncast const to modify the flag args->ignoreUnrecognized | |
3613 *(jboolean*)(&args->ignoreUnrecognized) = true; | |
3614 } | |
3615 | |
3616 // Parse specified settings file | |
3617 if (settings_file_specified) { | |
3618 if (!process_settings_file(flags_file, true, args->ignoreUnrecognized)) { | |
3619 return JNI_EINVAL; | |
3620 } | |
6196
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3621 } else { |
6150
1e76463170b3
7110720: Issue with vm config file loadingIssue with vm config file loading
kamg
parents:
4780
diff
changeset
|
3622 #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
|
3623 // Parse default .hotspotrc settings file |
0 | 3624 if (!process_settings_file(".hotspotrc", false, args->ignoreUnrecognized)) { |
3625 return JNI_EINVAL; | |
3626 } | |
6196
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3627 #else |
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3628 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
|
3629 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
|
3630 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
|
3631 } |
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3632 #endif |
0 | 3633 } |
3634 | |
3635 if (PrintVMOptions) { | |
3636 for (index = 0; index < args->nOptions; index++) { | |
3637 const JavaVMOption *option = args->options + index; | |
3638 if (match_option(option, "-XX:", &tail)) { | |
3639 logOption(tail); | |
3640 } | |
3641 } | |
3642 } | |
3643 | |
3644 // Parse JavaVMInitArgs structure passed in, as well as JAVA_TOOL_OPTIONS and _JAVA_OPTIONS | |
3645 jint result = parse_vm_init_args(args); | |
3646 if (result != JNI_OK) { | |
3647 return result; | |
3648 } | |
3649 | |
10270
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3650 // 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
|
3651 SharedArchivePath = get_shared_archive_path(); |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3652 if (SharedArchivePath == NULL) { |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3653 return JNI_ENOMEM; |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3654 } |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3655 |
18096 | 3656 // Set up VerifySharedSpaces |
3657 if (FLAG_IS_DEFAULT(VerifySharedSpaces) && SharedArchiveFile != NULL) { | |
3658 VerifySharedSpaces = true; | |
3659 } | |
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(); |
17648
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14260
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(); |
17648
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14260
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 } |
17648
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14260
diff
changeset
|
3794 if (MinHeapFreeRatio == 100) { |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14260
diff
changeset
|
3795 // Keeping the heap 100% free is hard ;-) so limit it to 99%. |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14260
diff
changeset
|
3796 FLAG_SET_ERGO(uintx, MinHeapFreeRatio, 99); |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
14260
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 |
12838
85c1ca43713f
8024547: MaxMetaspaceSize should limit the committed memory used by the metaspaces
stefank
parents:
12831
diff
changeset
|
3802 // Initialize Metaspace flags and alignments. |
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 | |
3808 // Set flags if Aggressive optimization flags (-XX:+AggressiveOpts) enabled. | |
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, |
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3812 // which are subtlely different from each other but neither works with |
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
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 |
4777 | 3840 if (!EliminateLocks) { |
3841 EliminateNestedLocks = false; | |
3842 } | |
7473 | 3843 if (!Inline) { |
3844 IncrementalInline = false; | |
3845 } | |
3846 #ifndef PRODUCT | |
3847 if (!IncrementalInline) { | |
3848 AlwaysIncrementalInline = false; | |
3849 } | |
3850 #endif | |
3851 if (IncrementalInline && FLAG_IS_DEFAULT(MaxNodeLimit)) { | |
3852 // incremental inlining: bump MaxNodeLimit | |
3853 FLAG_SET_DEFAULT(MaxNodeLimit, (intx)75000); | |
3854 } | |
12966 | 3855 if (!UseTypeSpeculation && FLAG_IS_DEFAULT(TypeProfileLevel)) { |
3856 // nothing to use the profiling, turn if off | |
3857 FLAG_SET_DEFAULT(TypeProfileLevel, 0); | |
3858 } | |
3859 if (UseTypeSpeculation && FLAG_IS_DEFAULT(ReplaceInParentMaps)) { | |
3860 // Doing the replace in parent maps helps speculation | |
3861 FLAG_SET_DEFAULT(ReplaceInParentMaps, true); | |
3862 } | |
420
a1980da045cc
6462850: generate biased locking code in C2 ideal graph
kvn
parents:
416
diff
changeset
|
3863 #endif |
a1980da045cc
6462850: generate biased locking code in C2 ideal graph
kvn
parents:
416
diff
changeset
|
3864 |
1155
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1150
diff
changeset
|
3865 if (PrintAssembly && FLAG_IS_DEFAULT(DebugNonSafepoints)) { |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1150
diff
changeset
|
3866 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
|
3867 DebugNonSafepoints = true; |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1150
diff
changeset
|
3868 } |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1150
diff
changeset
|
3869 |
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
3870 if (FLAG_IS_CMDLINE(CompressedClassSpaceSize) && !UseCompressedClassPointers) { |
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
3871 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
|
3872 } |
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
3873 |
1188
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
3874 #ifndef PRODUCT |
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
3875 if (CompileTheWorld) { |
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
3876 // 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
|
3877 if (FLAG_IS_DEFAULT(NmethodSweepFraction)) { |
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
3878 NmethodSweepFraction = 1; |
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
3879 } |
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
3880 } |
12257
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3881 |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3882 if (!LogVMOutput && FLAG_IS_DEFAULT(LogVMOutput)) { |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3883 if (use_vm_log()) { |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3884 LogVMOutput = true; |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3885 } |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3886 } |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3887 #endif // PRODUCT |
1188
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
3888 |
0 | 3889 if (PrintCommandLineFlags) { |
4773 | 3890 CommandLineFlags::printSetFlags(tty); |
0 | 3891 } |
3892 | |
1681
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3893 // Apply CPU specific policy for the BiasedLocking |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3894 if (UseBiasedLocking) { |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3895 if (!VM_Version::use_biased_locking() && |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3896 !(FLAG_IS_CMDLINE(UseBiasedLocking))) { |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3897 UseBiasedLocking = false; |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3898 } |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3899 } |
17780 | 3900 #ifdef COMPILER2 |
3901 if (!UseBiasedLocking || EmitSync != 0) { | |
3902 UseOptoBiasInlining = false; | |
3903 } | |
3904 #endif | |
1681
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
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3905 |
2302
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3906 // set PauseAtExit if the gamma launcher was used and a debugger is attached |
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3907 // but only if not already set on the commandline |
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3908 if (Arguments::created_by_gamma_launcher() && os::is_debugger_attached()) { |
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3909 bool set = false; |
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3910 CommandLineFlags::wasSetOnCmdline("PauseAtExit", &set); |
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3911 if (!set) { |
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3912 FLAG_SET_DEFAULT(PauseAtExit, true); |
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3913 } |
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3914 } |
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3915 |
0 | 3916 return JNI_OK; |
3917 } | |
3918 | |
7177
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3919 jint Arguments::adjust_after_os() { |
8001
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3920 #if INCLUDE_ALL_GCS |
7177
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3921 if (UseParallelGC || UseParallelOldGC) { |
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3922 if (UseNUMA) { |
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3923 if (FLAG_IS_DEFAULT(MinHeapDeltaBytes)) { |
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3924 FLAG_SET_DEFAULT(MinHeapDeltaBytes, 64*M); |
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3925 } |
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3926 // For those collectors or operating systems (eg, Windows) that do |
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3927 // not support full UseNUMA, we will map to UseNUMAInterleaving for now |
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3928 UseNUMAInterleaving = true; |
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3929 } |
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3930 } |
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3931 #endif // INCLUDE_ALL_GCS |
7177
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3932 return JNI_OK; |
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3933 } |
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3934 |
0 | 3935 int Arguments::PropertyList_count(SystemProperty* pl) { |
3936 int count = 0; | |
3937 while(pl != NULL) { | |
3938 count++; | |
3939 pl = pl->next(); | |
3940 } | |
3941 return count; | |
3942 } | |
3943 | |
3944 const char* Arguments::PropertyList_get_value(SystemProperty *pl, const char* key) { | |
3945 assert(key != NULL, "just checking"); | |
3946 SystemProperty* prop; | |
3947 for (prop = pl; prop != NULL; prop = prop->next()) { | |
3948 if (strcmp(key, prop->key()) == 0) return prop->value(); | |
3949 } | |
3950 return NULL; | |
3951 } | |
3952 | |
3953 const char* Arguments::PropertyList_get_key_at(SystemProperty *pl, int index) { | |
3954 int count = 0; | |
3955 const char* ret_val = NULL; | |
3956 | |
3957 while(pl != NULL) { | |
3958 if(count >= index) { | |
3959 ret_val = pl->key(); | |
3960 break; | |
3961 } | |
3962 count++; | |
3963 pl = pl->next(); | |
3964 } | |
3965 | |
3966 return ret_val; | |
3967 } | |
3968 | |
3969 char* Arguments::PropertyList_get_value_at(SystemProperty* pl, int index) { | |
3970 int count = 0; | |
3971 char* ret_val = NULL; | |
3972 | |
3973 while(pl != NULL) { | |
3974 if(count >= index) { | |
3975 ret_val = pl->value(); | |
3976 break; | |
3977 } | |
3978 count++; | |
3979 pl = pl->next(); | |
3980 } | |
3981 | |
3982 return ret_val; | |
3983 } | |
3984 | |
3985 void Arguments::PropertyList_add(SystemProperty** plist, SystemProperty *new_p) { | |
3986 SystemProperty* p = *plist; | |
3987 if (p == NULL) { | |
3988 *plist = new_p; | |
3989 } else { | |
3990 while (p->next() != NULL) { | |
3991 p = p->next(); | |
3992 } | |
3993 p->set_next(new_p); | |
3994 } | |
3995 } | |
3996 | |
3997 void Arguments::PropertyList_add(SystemProperty** plist, const char* k, char* v) { | |
3998 if (plist == NULL) | |
3999 return; | |
4000 | |
4001 SystemProperty* new_p = new SystemProperty(k, v, true); | |
4002 PropertyList_add(plist, new_p); | |
4003 } | |
4004 | |
4005 // This add maintains unique property key in the list. | |
691 | 4006 void Arguments::PropertyList_unique_add(SystemProperty** plist, const char* k, char* v, jboolean append) { |
0 | 4007 if (plist == NULL) |
4008 return; | |
4009 | |
4010 // If property key exist then update with new value. | |
4011 SystemProperty* prop; | |
4012 for (prop = *plist; prop != NULL; prop = prop->next()) { | |
4013 if (strcmp(k, prop->key()) == 0) { | |
691 | 4014 if (append) { |
4015 prop->append_value(v); | |
4016 } else { | |
4017 prop->set_value(v); | |
4018 } | |
0 | 4019 return; |
4020 } | |
4021 } | |
4022 | |
4023 PropertyList_add(plist, k, v); | |
4024 } | |
4025 | |
4026 // Copies src into buf, replacing "%%" with "%" and "%p" with pid | |
4027 // Returns true if all of the source pointed by src has been copied over to | |
4028 // the destination buffer pointed by buf. Otherwise, returns false. | |
4029 // Notes: | |
4030 // 1. If the length (buflen) of the destination buffer excluding the | |
4031 // NULL terminator character is not long enough for holding the expanded | |
4032 // pid characters, it also returns false instead of returning the partially | |
4033 // expanded one. | |
4034 // 2. The passed in "buflen" should be large enough to hold the null terminator. | |
4035 bool Arguments::copy_expand_pid(const char* src, size_t srclen, | |
4036 char* buf, size_t buflen) { | |
4037 const char* p = src; | |
4038 char* b = buf; | |
4039 const char* src_end = &src[srclen]; | |
4040 char* buf_end = &buf[buflen - 1]; | |
4041 | |
4042 while (p < src_end && b < buf_end) { | |
4043 if (*p == '%') { | |
4044 switch (*(++p)) { | |
4045 case '%': // "%%" ==> "%" | |
4046 *b++ = *p++; | |
4047 break; | |
4048 case 'p': { // "%p" ==> current process id | |
4049 // buf_end points to the character before the last character so | |
4050 // that we could write '\0' to the end of the buffer. | |
4051 size_t buf_sz = buf_end - b + 1; | |
4052 int ret = jio_snprintf(b, buf_sz, "%d", os::current_process_id()); | |
4053 | |
4054 // if jio_snprintf fails or the buffer is not long enough to hold | |
4055 // the expanded pid, returns false. | |
4056 if (ret < 0 || ret >= (int)buf_sz) { | |
4057 return false; | |
4058 } else { | |
4059 b += ret; | |
4060 assert(*b == '\0', "fail in copy_expand_pid"); | |
4061 if (p == src_end && b == buf_end + 1) { | |
4062 // reach the end of the buffer. | |
4063 return true; | |
4064 } | |
4065 } | |
4066 p++; | |
4067 break; | |
4068 } | |
4069 default : | |
4070 *b++ = '%'; | |
4071 } | |
4072 } else { | |
4073 *b++ = *p++; | |
4074 } | |
4075 } | |
4076 *b = '\0'; | |
4077 return (p == src_end); // return false if not all of the source was copied | |
4078 } |