Mercurial > hg > truffle
annotate src/share/vm/runtime/arguments.cpp @ 20345:f933a15469d4
8055006: Store original value of Min/MaxHeapFreeRatio
Summary: Store the value set by the user and some makefile changes required to change the flags.
Reviewed-by: sla, mchung, bchristi, jmasa, dholmes
author | jwilhelm |
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date | Mon, 28 Jul 2014 22:43:08 +0200 |
parents | ee019285a52c |
children | 3374ec4c4448 |
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; | |
95 char* Arguments::_java_command = NULL; | |
96 SystemProperty* Arguments::_system_properties = NULL; | |
97 const char* Arguments::_gc_log_filename = NULL; | |
98 bool Arguments::_has_profile = false; | |
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99 size_t Arguments::_conservative_max_heap_alignment = 0; |
0 | 100 uintx Arguments::_min_heap_size = 0; |
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101 uintx Arguments::_min_heap_free_ratio = 0; |
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102 uintx Arguments::_max_heap_free_ratio = 0; |
0 | 103 Arguments::Mode Arguments::_mode = _mixed; |
104 bool Arguments::_java_compiler = false; | |
105 bool Arguments::_xdebug_mode = false; | |
106 const char* Arguments::_java_vendor_url_bug = DEFAULT_VENDOR_URL_BUG; | |
107 const char* Arguments::_sun_java_launcher = DEFAULT_JAVA_LAUNCHER; | |
108 int Arguments::_sun_java_launcher_pid = -1; | |
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109 bool Arguments::_created_by_gamma_launcher = false; |
0 | 110 |
111 // These parameters are reset in method parse_vm_init_args(JavaVMInitArgs*) | |
112 bool Arguments::_AlwaysCompileLoopMethods = AlwaysCompileLoopMethods; | |
113 bool Arguments::_UseOnStackReplacement = UseOnStackReplacement; | |
114 bool Arguments::_BackgroundCompilation = BackgroundCompilation; | |
115 bool Arguments::_ClipInlining = ClipInlining; | |
116 | |
117 char* Arguments::SharedArchivePath = NULL; | |
118 | |
119 AgentLibraryList Arguments::_libraryList; | |
120 AgentLibraryList Arguments::_agentList; | |
121 | |
122 abort_hook_t Arguments::_abort_hook = NULL; | |
123 exit_hook_t Arguments::_exit_hook = NULL; | |
124 vfprintf_hook_t Arguments::_vfprintf_hook = NULL; | |
125 | |
126 | |
127 SystemProperty *Arguments::_java_ext_dirs = NULL; | |
128 SystemProperty *Arguments::_java_endorsed_dirs = NULL; | |
129 SystemProperty *Arguments::_sun_boot_library_path = NULL; | |
130 SystemProperty *Arguments::_java_library_path = NULL; | |
131 SystemProperty *Arguments::_java_home = NULL; | |
132 SystemProperty *Arguments::_java_class_path = NULL; | |
133 SystemProperty *Arguments::_sun_boot_class_path = NULL; | |
134 | |
135 char* Arguments::_meta_index_path = NULL; | |
136 char* Arguments::_meta_index_dir = NULL; | |
137 | |
138 // Check if head of 'option' matches 'name', and sets 'tail' remaining part of option string | |
139 | |
140 static bool match_option(const JavaVMOption *option, const char* name, | |
141 const char** tail) { | |
142 int len = (int)strlen(name); | |
143 if (strncmp(option->optionString, name, len) == 0) { | |
144 *tail = option->optionString + len; | |
145 return true; | |
146 } else { | |
147 return false; | |
148 } | |
149 } | |
150 | |
151 static void logOption(const char* opt) { | |
152 if (PrintVMOptions) { | |
153 jio_fprintf(defaultStream::output_stream(), "VM option '%s'\n", opt); | |
154 } | |
155 } | |
156 | |
157 // Process java launcher properties. | |
158 void Arguments::process_sun_java_launcher_properties(JavaVMInitArgs* args) { | |
159 // See if sun.java.launcher or sun.java.launcher.pid is defined. | |
160 // Must do this before setting up other system properties, | |
161 // as some of them may depend on launcher type. | |
162 for (int index = 0; index < args->nOptions; index++) { | |
163 const JavaVMOption* option = args->options + index; | |
164 const char* tail; | |
165 | |
166 if (match_option(option, "-Dsun.java.launcher=", &tail)) { | |
167 process_java_launcher_argument(tail, option->extraInfo); | |
168 continue; | |
169 } | |
170 if (match_option(option, "-Dsun.java.launcher.pid=", &tail)) { | |
171 _sun_java_launcher_pid = atoi(tail); | |
172 continue; | |
173 } | |
174 } | |
175 } | |
176 | |
177 // Initialize system properties key and value. | |
178 void Arguments::init_system_properties() { | |
179 | |
180 PropertyList_add(&_system_properties, new SystemProperty("java.vm.specification.name", | |
181 "Java Virtual Machine Specification", false)); | |
182 PropertyList_add(&_system_properties, new SystemProperty("java.vm.version", VM_Version::vm_release(), false)); | |
183 PropertyList_add(&_system_properties, new SystemProperty("java.vm.name", VM_Version::vm_name(), false)); | |
184 PropertyList_add(&_system_properties, new SystemProperty("java.vm.info", VM_Version::vm_info_string(), true)); | |
185 | |
186 // following are JVMTI agent writeable properties. | |
187 // Properties values are set to NULL and they are | |
188 // os specific they are initialized in os::init_system_properties_values(). | |
189 _java_ext_dirs = new SystemProperty("java.ext.dirs", NULL, true); | |
190 _java_endorsed_dirs = new SystemProperty("java.endorsed.dirs", NULL, true); | |
191 _sun_boot_library_path = new SystemProperty("sun.boot.library.path", NULL, true); | |
192 _java_library_path = new SystemProperty("java.library.path", NULL, true); | |
193 _java_home = new SystemProperty("java.home", NULL, true); | |
194 _sun_boot_class_path = new SystemProperty("sun.boot.class.path", NULL, true); | |
195 | |
196 _java_class_path = new SystemProperty("java.class.path", "", true); | |
197 | |
198 // Add to System Property list. | |
199 PropertyList_add(&_system_properties, _java_ext_dirs); | |
200 PropertyList_add(&_system_properties, _java_endorsed_dirs); | |
201 PropertyList_add(&_system_properties, _sun_boot_library_path); | |
202 PropertyList_add(&_system_properties, _java_library_path); | |
203 PropertyList_add(&_system_properties, _java_home); | |
204 PropertyList_add(&_system_properties, _java_class_path); | |
205 PropertyList_add(&_system_properties, _sun_boot_class_path); | |
206 | |
207 // Set OS specific system properties values | |
208 os::init_system_properties_values(); | |
209 } | |
210 | |
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211 |
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212 // Update/Initialize System properties after JDK version number is known |
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213 void Arguments::init_version_specific_system_properties() { |
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214 enum { bufsz = 16 }; |
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215 char buffer[bufsz]; |
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216 const char* spec_vendor = "Sun Microsystems Inc."; |
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217 uint32_t spec_version = 0; |
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218 |
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219 if (JDK_Version::is_gte_jdk17x_version()) { |
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220 spec_vendor = "Oracle Corporation"; |
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221 spec_version = JDK_Version::current().major_version(); |
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222 } |
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223 jio_snprintf(buffer, bufsz, "1." UINT32_FORMAT, spec_version); |
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224 |
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225 PropertyList_add(&_system_properties, |
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226 new SystemProperty("java.vm.specification.vendor", spec_vendor, false)); |
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227 PropertyList_add(&_system_properties, |
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228 new SystemProperty("java.vm.specification.version", buffer, false)); |
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229 PropertyList_add(&_system_properties, |
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230 new SystemProperty("java.vm.vendor", VM_Version::vm_vendor(), false)); |
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231 } |
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232 |
242 | 233 /** |
234 * Provide a slightly more user-friendly way of eliminating -XX flags. | |
235 * When a flag is eliminated, it can be added to this list in order to | |
236 * continue accepting this flag on the command-line, while issuing a warning | |
237 * and ignoring the value. Once the JDK version reaches the 'accept_until' | |
238 * limit, we flatly refuse to admit the existence of the flag. This allows | |
239 * a flag to die correctly over JDK releases using HSX. | |
240 */ | |
241 typedef struct { | |
242 const char* name; | |
243 JDK_Version obsoleted_in; // when the flag went away | |
244 JDK_Version accept_until; // which version to start denying the existence | |
245 } ObsoleteFlag; | |
0 | 246 |
242 | 247 static ObsoleteFlag obsolete_jvm_flags[] = { |
248 { "UseTrainGC", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
249 { "UseSpecialLargeObjectHandling", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
250 { "UseOversizedCarHandling", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
251 { "TraceCarAllocation", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
252 { "PrintTrainGCProcessingStats", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
253 { "LogOfCarSpaceSize", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
254 { "OversizedCarThreshold", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
255 { "MinTickInterval", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
256 { "DefaultTickInterval", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
257 { "MaxTickInterval", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
258 { "DelayTickAdjustment", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
259 { "ProcessingToTenuringRatio", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
260 { "MinTrainLength", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
261 { "AppendRatio", JDK_Version::jdk_update(6,10), JDK_Version::jdk(7) }, | |
1064 | 262 { "DefaultMaxRAM", JDK_Version::jdk_update(6,18), JDK_Version::jdk(7) }, |
263 { "DefaultInitialRAMFraction", | |
264 JDK_Version::jdk_update(6,18), JDK_Version::jdk(7) }, | |
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265 { "UseDepthFirstScavengeOrder", |
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266 JDK_Version::jdk_update(6,22), JDK_Version::jdk(7) }, |
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267 { "HandlePromotionFailure", |
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268 JDK_Version::jdk_update(6,24), JDK_Version::jdk(8) }, |
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269 { "MaxLiveObjectEvacuationRatio", |
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270 JDK_Version::jdk_update(6,24), JDK_Version::jdk(8) }, |
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271 { "ForceSharedSpaces", JDK_Version::jdk_update(6,25), JDK_Version::jdk(8) }, |
3251
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272 { "UseParallelOldGCCompacting", |
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273 JDK_Version::jdk_update(6,27), JDK_Version::jdk(8) }, |
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274 { "UseParallelDensePrefixUpdate", |
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275 JDK_Version::jdk_update(6,27), JDK_Version::jdk(8) }, |
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276 { "UseParallelOldGCDensePrefix", |
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277 JDK_Version::jdk_update(6,27), JDK_Version::jdk(8) }, |
2460 | 278 { "AllowTransitionalJSR292", JDK_Version::jdk(7), JDK_Version::jdk(8) }, |
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279 { "UseCompressedStrings", JDK_Version::jdk(7), JDK_Version::jdk(8) }, |
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280 { "CMSPermGenPrecleaningEnabled", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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281 { "CMSTriggerPermRatio", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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282 { "CMSInitiatingPermOccupancyFraction", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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283 { "AdaptivePermSizeWeight", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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284 { "PermGenPadding", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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285 { "PermMarkSweepDeadRatio", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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286 { "PermSize", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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287 { "MaxPermSize", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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288 { "MinPermHeapExpansion", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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289 { "MaxPermHeapExpansion", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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290 { "CMSRevisitStackSize", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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291 { "PrintRevisitStats", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
6916 | 292 { "UseVectoredExceptions", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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293 { "UseSplitVerifier", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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294 { "UseISM", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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295 { "UsePermISM", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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296 { "UseMPSS", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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297 { "UseStringCache", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
17672 | 298 { "UseOldInlining", JDK_Version::jdk(9), JDK_Version::jdk(10) }, |
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299 #ifdef PRODUCT |
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300 { "DesiredMethodLimit", |
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301 JDK_Version::jdk_update(7, 2), JDK_Version::jdk(8) }, |
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302 #endif // PRODUCT |
242 | 303 { NULL, JDK_Version(0), JDK_Version(0) } |
304 }; | |
305 | |
306 // Returns true if the flag is obsolete and fits into the range specified | |
307 // for being ignored. In the case that the flag is ignored, the 'version' | |
308 // value is filled in with the version number when the flag became | |
309 // obsolete so that that value can be displayed to the user. | |
310 bool Arguments::is_newly_obsolete(const char *s, JDK_Version* version) { | |
0 | 311 int i = 0; |
242 | 312 assert(version != NULL, "Must provide a version buffer"); |
313 while (obsolete_jvm_flags[i].name != NULL) { | |
314 const ObsoleteFlag& flag_status = obsolete_jvm_flags[i]; | |
0 | 315 // <flag>=xxx form |
316 // [-|+]<flag> form | |
242 | 317 if ((strncmp(flag_status.name, s, strlen(flag_status.name)) == 0) || |
0 | 318 ((s[0] == '+' || s[0] == '-') && |
242 | 319 (strncmp(flag_status.name, &s[1], strlen(flag_status.name)) == 0))) { |
320 if (JDK_Version::current().compare(flag_status.accept_until) == -1) { | |
321 *version = flag_status.obsoleted_in; | |
322 return true; | |
323 } | |
0 | 324 } |
325 i++; | |
326 } | |
327 return false; | |
328 } | |
329 | |
330 // Constructs the system class path (aka boot class path) from the following | |
331 // components, in order: | |
332 // | |
333 // prefix // from -Xbootclasspath/p:... | |
334 // endorsed // the expansion of -Djava.endorsed.dirs=... | |
335 // base // from os::get_system_properties() or -Xbootclasspath= | |
336 // suffix // from -Xbootclasspath/a:... | |
337 // | |
338 // java.endorsed.dirs is a list of directories; any jar or zip files in the | |
339 // directories are added to the sysclasspath just before the base. | |
340 // | |
341 // This could be AllStatic, but it isn't needed after argument processing is | |
342 // complete. | |
343 class SysClassPath: public StackObj { | |
344 public: | |
345 SysClassPath(const char* base); | |
346 ~SysClassPath(); | |
347 | |
348 inline void set_base(const char* base); | |
349 inline void add_prefix(const char* prefix); | |
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350 inline void add_suffix_to_prefix(const char* suffix); |
0 | 351 inline void add_suffix(const char* suffix); |
352 inline void reset_path(const char* base); | |
353 | |
354 // Expand the jar/zip files in each directory listed by the java.endorsed.dirs | |
355 // property. Must be called after all command-line arguments have been | |
356 // processed (in particular, -Djava.endorsed.dirs=...) and before calling | |
357 // combined_path(). | |
358 void expand_endorsed(); | |
359 | |
360 inline const char* get_base() const { return _items[_scp_base]; } | |
361 inline const char* get_prefix() const { return _items[_scp_prefix]; } | |
362 inline const char* get_suffix() const { return _items[_scp_suffix]; } | |
363 inline const char* get_endorsed() const { return _items[_scp_endorsed]; } | |
364 | |
365 // Combine all the components into a single c-heap-allocated string; caller | |
366 // must free the string if/when no longer needed. | |
367 char* combined_path(); | |
368 | |
369 private: | |
370 // Utility routines. | |
371 static char* add_to_path(const char* path, const char* str, bool prepend); | |
372 static char* add_jars_to_path(char* path, const char* directory); | |
373 | |
374 inline void reset_item_at(int index); | |
375 | |
376 // Array indices for the items that make up the sysclasspath. All except the | |
377 // base are allocated in the C heap and freed by this class. | |
378 enum { | |
379 _scp_prefix, // from -Xbootclasspath/p:... | |
380 _scp_endorsed, // the expansion of -Djava.endorsed.dirs=... | |
381 _scp_base, // the default sysclasspath | |
382 _scp_suffix, // from -Xbootclasspath/a:... | |
383 _scp_nitems // the number of items, must be last. | |
384 }; | |
385 | |
386 const char* _items[_scp_nitems]; | |
387 DEBUG_ONLY(bool _expansion_done;) | |
388 }; | |
389 | |
390 SysClassPath::SysClassPath(const char* base) { | |
391 memset(_items, 0, sizeof(_items)); | |
392 _items[_scp_base] = base; | |
393 DEBUG_ONLY(_expansion_done = false;) | |
394 } | |
395 | |
396 SysClassPath::~SysClassPath() { | |
397 // Free everything except the base. | |
398 for (int i = 0; i < _scp_nitems; ++i) { | |
399 if (i != _scp_base) reset_item_at(i); | |
400 } | |
401 DEBUG_ONLY(_expansion_done = false;) | |
402 } | |
403 | |
404 inline void SysClassPath::set_base(const char* base) { | |
405 _items[_scp_base] = base; | |
406 } | |
407 | |
408 inline void SysClassPath::add_prefix(const char* prefix) { | |
409 _items[_scp_prefix] = add_to_path(_items[_scp_prefix], prefix, true); | |
410 } | |
411 | |
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412 inline void SysClassPath::add_suffix_to_prefix(const char* suffix) { |
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413 _items[_scp_prefix] = add_to_path(_items[_scp_prefix], suffix, false); |
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414 } |
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415 |
0 | 416 inline void SysClassPath::add_suffix(const char* suffix) { |
417 _items[_scp_suffix] = add_to_path(_items[_scp_suffix], suffix, false); | |
418 } | |
419 | |
420 inline void SysClassPath::reset_item_at(int index) { | |
421 assert(index < _scp_nitems && index != _scp_base, "just checking"); | |
422 if (_items[index] != NULL) { | |
6197 | 423 FREE_C_HEAP_ARRAY(char, _items[index], mtInternal); |
0 | 424 _items[index] = NULL; |
425 } | |
426 } | |
427 | |
428 inline void SysClassPath::reset_path(const char* base) { | |
429 // Clear the prefix and suffix. | |
430 reset_item_at(_scp_prefix); | |
431 reset_item_at(_scp_suffix); | |
432 set_base(base); | |
433 } | |
434 | |
435 //------------------------------------------------------------------------------ | |
436 | |
437 void SysClassPath::expand_endorsed() { | |
438 assert(_items[_scp_endorsed] == NULL, "can only be called once."); | |
439 | |
440 const char* path = Arguments::get_property("java.endorsed.dirs"); | |
441 if (path == NULL) { | |
442 path = Arguments::get_endorsed_dir(); | |
443 assert(path != NULL, "no default for java.endorsed.dirs"); | |
444 } | |
445 | |
446 char* expanded_path = NULL; | |
447 const char separator = *os::path_separator(); | |
448 const char* const end = path + strlen(path); | |
449 while (path < end) { | |
450 const char* tmp_end = strchr(path, separator); | |
451 if (tmp_end == NULL) { | |
452 expanded_path = add_jars_to_path(expanded_path, path); | |
453 path = end; | |
454 } else { | |
6197 | 455 char* dirpath = NEW_C_HEAP_ARRAY(char, tmp_end - path + 1, mtInternal); |
0 | 456 memcpy(dirpath, path, tmp_end - path); |
457 dirpath[tmp_end - path] = '\0'; | |
458 expanded_path = add_jars_to_path(expanded_path, dirpath); | |
6197 | 459 FREE_C_HEAP_ARRAY(char, dirpath, mtInternal); |
0 | 460 path = tmp_end + 1; |
461 } | |
462 } | |
463 _items[_scp_endorsed] = expanded_path; | |
464 DEBUG_ONLY(_expansion_done = true;) | |
465 } | |
466 | |
467 // Combine the bootclasspath elements, some of which may be null, into a single | |
468 // c-heap-allocated string. | |
469 char* SysClassPath::combined_path() { | |
470 assert(_items[_scp_base] != NULL, "empty default sysclasspath"); | |
471 assert(_expansion_done, "must call expand_endorsed() first."); | |
472 | |
473 size_t lengths[_scp_nitems]; | |
474 size_t total_len = 0; | |
475 | |
476 const char separator = *os::path_separator(); | |
477 | |
478 // Get the lengths. | |
479 int i; | |
480 for (i = 0; i < _scp_nitems; ++i) { | |
481 if (_items[i] != NULL) { | |
482 lengths[i] = strlen(_items[i]); | |
483 // Include space for the separator char (or a NULL for the last item). | |
484 total_len += lengths[i] + 1; | |
485 } | |
486 } | |
487 assert(total_len > 0, "empty sysclasspath not allowed"); | |
488 | |
489 // Copy the _items to a single string. | |
6197 | 490 char* cp = NEW_C_HEAP_ARRAY(char, total_len, mtInternal); |
0 | 491 char* cp_tmp = cp; |
492 for (i = 0; i < _scp_nitems; ++i) { | |
493 if (_items[i] != NULL) { | |
494 memcpy(cp_tmp, _items[i], lengths[i]); | |
495 cp_tmp += lengths[i]; | |
496 *cp_tmp++ = separator; | |
497 } | |
498 } | |
499 *--cp_tmp = '\0'; // Replace the extra separator. | |
500 return cp; | |
501 } | |
502 | |
503 // Note: path must be c-heap-allocated (or NULL); it is freed if non-null. | |
504 char* | |
505 SysClassPath::add_to_path(const char* path, const char* str, bool prepend) { | |
506 char *cp; | |
507 | |
508 assert(str != NULL, "just checking"); | |
509 if (path == NULL) { | |
510 size_t len = strlen(str) + 1; | |
6197 | 511 cp = NEW_C_HEAP_ARRAY(char, len, mtInternal); |
0 | 512 memcpy(cp, str, len); // copy the trailing null |
513 } else { | |
514 const char separator = *os::path_separator(); | |
515 size_t old_len = strlen(path); | |
516 size_t str_len = strlen(str); | |
517 size_t len = old_len + str_len + 2; | |
518 | |
519 if (prepend) { | |
6197 | 520 cp = NEW_C_HEAP_ARRAY(char, len, mtInternal); |
0 | 521 char* cp_tmp = cp; |
522 memcpy(cp_tmp, str, str_len); | |
523 cp_tmp += str_len; | |
524 *cp_tmp = separator; | |
525 memcpy(++cp_tmp, path, old_len + 1); // copy the trailing null | |
6197 | 526 FREE_C_HEAP_ARRAY(char, path, mtInternal); |
0 | 527 } else { |
6197 | 528 cp = REALLOC_C_HEAP_ARRAY(char, path, len, mtInternal); |
0 | 529 char* cp_tmp = cp + old_len; |
530 *cp_tmp = separator; | |
531 memcpy(++cp_tmp, str, str_len + 1); // copy the trailing null | |
532 } | |
533 } | |
534 return cp; | |
535 } | |
536 | |
537 // Scan the directory and append any jar or zip files found to path. | |
538 // Note: path must be c-heap-allocated (or NULL); it is freed if non-null. | |
539 char* SysClassPath::add_jars_to_path(char* path, const char* directory) { | |
540 DIR* dir = os::opendir(directory); | |
541 if (dir == NULL) return path; | |
542 | |
543 char dir_sep[2] = { '\0', '\0' }; | |
544 size_t directory_len = strlen(directory); | |
545 const char fileSep = *os::file_separator(); | |
546 if (directory[directory_len - 1] != fileSep) dir_sep[0] = fileSep; | |
547 | |
548 /* Scan the directory for jars/zips, appending them to path. */ | |
549 struct dirent *entry; | |
6197 | 550 char *dbuf = NEW_C_HEAP_ARRAY(char, os::readdir_buf_size(directory), mtInternal); |
0 | 551 while ((entry = os::readdir(dir, (dirent *) dbuf)) != NULL) { |
552 const char* name = entry->d_name; | |
553 const char* ext = name + strlen(name) - 4; | |
554 bool isJarOrZip = ext > name && | |
555 (os::file_name_strcmp(ext, ".jar") == 0 || | |
556 os::file_name_strcmp(ext, ".zip") == 0); | |
557 if (isJarOrZip) { | |
6197 | 558 char* jarpath = NEW_C_HEAP_ARRAY(char, directory_len + 2 + strlen(name), mtInternal); |
0 | 559 sprintf(jarpath, "%s%s%s", directory, dir_sep, name); |
560 path = add_to_path(path, jarpath, false); | |
6197 | 561 FREE_C_HEAP_ARRAY(char, jarpath, mtInternal); |
0 | 562 } |
563 } | |
6197 | 564 FREE_C_HEAP_ARRAY(char, dbuf, mtInternal); |
0 | 565 os::closedir(dir); |
566 return path; | |
567 } | |
568 | |
569 // Parses a memory size specification string. | |
489
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570 static bool atomull(const char *s, julong* result) { |
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571 julong n = 0; |
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572 int args_read = sscanf(s, JULONG_FORMAT, &n); |
0 | 573 if (args_read != 1) { |
574 return false; | |
575 } | |
576 while (*s != '\0' && isdigit(*s)) { | |
577 s++; | |
578 } | |
579 // 4705540: illegal if more characters are found after the first non-digit | |
580 if (strlen(s) > 1) { | |
581 return false; | |
582 } | |
583 switch (*s) { | |
584 case 'T': case 't': | |
585 *result = n * G * K; | |
489
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586 // Check for overflow. |
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587 if (*result/((julong)G * K) != n) return false; |
0 | 588 return true; |
589 case 'G': case 'g': | |
590 *result = n * G; | |
489
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591 if (*result/G != n) return false; |
0 | 592 return true; |
593 case 'M': case 'm': | |
594 *result = n * M; | |
489
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595 if (*result/M != n) return false; |
0 | 596 return true; |
597 case 'K': case 'k': | |
598 *result = n * K; | |
489
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599 if (*result/K != n) return false; |
0 | 600 return true; |
601 case '\0': | |
602 *result = n; | |
603 return true; | |
604 default: | |
605 return false; | |
606 } | |
607 } | |
608 | |
489
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609 Arguments::ArgsRange Arguments::check_memory_size(julong size, julong min_size) { |
0 | 610 if (size < min_size) return arg_too_small; |
611 // Check that size will fit in a size_t (only relevant on 32-bit) | |
489
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612 if (size > max_uintx) return arg_too_big; |
0 | 613 return arg_in_range; |
614 } | |
615 | |
616 // Describe an argument out of range error | |
617 void Arguments::describe_range_error(ArgsRange errcode) { | |
618 switch(errcode) { | |
619 case arg_too_big: | |
620 jio_fprintf(defaultStream::error_stream(), | |
621 "The specified size exceeds the maximum " | |
622 "representable size.\n"); | |
623 break; | |
624 case arg_too_small: | |
625 case arg_unreadable: | |
626 case arg_in_range: | |
627 // do nothing for now | |
628 break; | |
629 default: | |
630 ShouldNotReachHere(); | |
631 } | |
632 } | |
633 | |
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634 static bool set_bool_flag(char* name, bool value, Flag::Flags origin) { |
0 | 635 return CommandLineFlags::boolAtPut(name, &value, origin); |
636 } | |
637 | |
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638 static bool set_fp_numeric_flag(char* name, char* value, Flag::Flags origin) { |
0 | 639 double v; |
640 if (sscanf(value, "%lf", &v) != 1) { | |
641 return false; | |
642 } | |
643 | |
644 if (CommandLineFlags::doubleAtPut(name, &v, origin)) { | |
645 return true; | |
646 } | |
647 return false; | |
648 } | |
649 | |
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650 static bool set_numeric_flag(char* name, char* value, Flag::Flags origin) { |
489
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651 julong v; |
0 | 652 intx intx_v; |
653 bool is_neg = false; | |
489
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654 // Check the sign first since atomull() parses only unsigned values. |
0 | 655 if (*value == '-') { |
656 if (!CommandLineFlags::intxAt(name, &intx_v)) { | |
657 return false; | |
658 } | |
659 value++; | |
660 is_neg = true; | |
661 } | |
489
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662 if (!atomull(value, &v)) { |
0 | 663 return false; |
664 } | |
665 intx_v = (intx) v; | |
666 if (is_neg) { | |
667 intx_v = -intx_v; | |
668 } | |
669 if (CommandLineFlags::intxAtPut(name, &intx_v, origin)) { | |
670 return true; | |
671 } | |
672 uintx uintx_v = (uintx) v; | |
673 if (!is_neg && CommandLineFlags::uintxAtPut(name, &uintx_v, origin)) { | |
674 return true; | |
675 } | |
1064 | 676 uint64_t uint64_t_v = (uint64_t) v; |
677 if (!is_neg && CommandLineFlags::uint64_tAtPut(name, &uint64_t_v, origin)) { | |
678 return true; | |
679 } | |
0 | 680 return false; |
681 } | |
682 | |
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683 static bool set_string_flag(char* name, const char* value, Flag::Flags origin) { |
0 | 684 if (!CommandLineFlags::ccstrAtPut(name, &value, origin)) return false; |
685 // Contract: CommandLineFlags always returns a pointer that needs freeing. | |
6197 | 686 FREE_C_HEAP_ARRAY(char, value, mtInternal); |
0 | 687 return true; |
688 } | |
689 | |
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690 static bool append_to_string_flag(char* name, const char* new_value, Flag::Flags origin) { |
0 | 691 const char* old_value = ""; |
692 if (!CommandLineFlags::ccstrAt(name, &old_value)) return false; | |
693 size_t old_len = old_value != NULL ? strlen(old_value) : 0; | |
694 size_t new_len = strlen(new_value); | |
695 const char* value; | |
696 char* free_this_too = NULL; | |
697 if (old_len == 0) { | |
698 value = new_value; | |
699 } else if (new_len == 0) { | |
700 value = old_value; | |
701 } else { | |
6197 | 702 char* buf = NEW_C_HEAP_ARRAY(char, old_len + 1 + new_len + 1, mtInternal); |
0 | 703 // each new setting adds another LINE to the switch: |
704 sprintf(buf, "%s\n%s", old_value, new_value); | |
705 value = buf; | |
706 free_this_too = buf; | |
707 } | |
708 (void) CommandLineFlags::ccstrAtPut(name, &value, origin); | |
709 // CommandLineFlags always returns a pointer that needs freeing. | |
6197 | 710 FREE_C_HEAP_ARRAY(char, value, mtInternal); |
0 | 711 if (free_this_too != NULL) { |
712 // CommandLineFlags made its own copy, so I must delete my own temp. buffer. | |
6197 | 713 FREE_C_HEAP_ARRAY(char, free_this_too, mtInternal); |
0 | 714 } |
715 return true; | |
716 } | |
717 | |
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718 bool Arguments::parse_argument(const char* arg, Flag::Flags origin) { |
0 | 719 |
720 // range of acceptable characters spelled out for portability reasons | |
721 #define NAME_RANGE "[abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_]" | |
722 #define BUFLEN 255 | |
723 char name[BUFLEN+1]; | |
724 char dummy; | |
725 | |
726 if (sscanf(arg, "-%" XSTR(BUFLEN) NAME_RANGE "%c", name, &dummy) == 1) { | |
727 return set_bool_flag(name, false, origin); | |
728 } | |
729 if (sscanf(arg, "+%" XSTR(BUFLEN) NAME_RANGE "%c", name, &dummy) == 1) { | |
730 return set_bool_flag(name, true, origin); | |
731 } | |
732 | |
733 char punct; | |
734 if (sscanf(arg, "%" XSTR(BUFLEN) NAME_RANGE "%c", name, &punct) == 2 && punct == '=') { | |
735 const char* value = strchr(arg, '=') + 1; | |
736 Flag* flag = Flag::find_flag(name, strlen(name)); | |
737 if (flag != NULL && flag->is_ccstr()) { | |
738 if (flag->ccstr_accumulates()) { | |
739 return append_to_string_flag(name, value, origin); | |
740 } else { | |
741 if (value[0] == '\0') { | |
742 value = NULL; | |
743 } | |
744 return set_string_flag(name, value, origin); | |
745 } | |
746 } | |
747 } | |
748 | |
749 if (sscanf(arg, "%" XSTR(BUFLEN) NAME_RANGE ":%c", name, &punct) == 2 && punct == '=') { | |
750 const char* value = strchr(arg, '=') + 1; | |
751 // -XX:Foo:=xxx will reset the string flag to the given value. | |
752 if (value[0] == '\0') { | |
753 value = NULL; | |
754 } | |
755 return set_string_flag(name, value, origin); | |
756 } | |
757 | |
758 #define SIGNED_FP_NUMBER_RANGE "[-0123456789.]" | |
759 #define SIGNED_NUMBER_RANGE "[-0123456789]" | |
760 #define NUMBER_RANGE "[0123456789]" | |
761 char value[BUFLEN + 1]; | |
762 char value2[BUFLEN + 1]; | |
763 if (sscanf(arg, "%" XSTR(BUFLEN) NAME_RANGE "=" "%" XSTR(BUFLEN) SIGNED_NUMBER_RANGE "." "%" XSTR(BUFLEN) NUMBER_RANGE "%c", name, value, value2, &dummy) == 3) { | |
764 // Looks like a floating-point number -- try again with more lenient format string | |
765 if (sscanf(arg, "%" XSTR(BUFLEN) NAME_RANGE "=" "%" XSTR(BUFLEN) SIGNED_FP_NUMBER_RANGE "%c", name, value, &dummy) == 2) { | |
766 return set_fp_numeric_flag(name, value, origin); | |
767 } | |
768 } | |
769 | |
770 #define VALUE_RANGE "[-kmgtKMGT0123456789]" | |
771 if (sscanf(arg, "%" XSTR(BUFLEN) NAME_RANGE "=" "%" XSTR(BUFLEN) VALUE_RANGE "%c", name, value, &dummy) == 2) { | |
772 return set_numeric_flag(name, value, origin); | |
773 } | |
774 | |
775 return false; | |
776 } | |
777 | |
778 void Arguments::add_string(char*** bldarray, int* count, const char* arg) { | |
779 assert(bldarray != NULL, "illegal argument"); | |
780 | |
781 if (arg == NULL) { | |
782 return; | |
783 } | |
784 | |
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785 int new_count = *count + 1; |
0 | 786 |
787 // expand the array and add arg to the last element | |
788 if (*bldarray == NULL) { | |
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789 *bldarray = NEW_C_HEAP_ARRAY(char*, new_count, mtInternal); |
0 | 790 } else { |
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791 *bldarray = REALLOC_C_HEAP_ARRAY(char*, *bldarray, new_count, mtInternal); |
0 | 792 } |
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793 (*bldarray)[*count] = strdup(arg); |
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794 *count = new_count; |
0 | 795 } |
796 | |
797 void Arguments::build_jvm_args(const char* arg) { | |
798 add_string(&_jvm_args_array, &_num_jvm_args, arg); | |
799 } | |
800 | |
801 void Arguments::build_jvm_flags(const char* arg) { | |
802 add_string(&_jvm_flags_array, &_num_jvm_flags, arg); | |
803 } | |
804 | |
805 // utility function to return a string that concatenates all | |
806 // strings in a given char** array | |
807 const char* Arguments::build_resource_string(char** args, int count) { | |
808 if (args == NULL || count == 0) { | |
809 return NULL; | |
810 } | |
811 size_t length = strlen(args[0]) + 1; // add 1 for the null terminator | |
812 for (int i = 1; i < count; i++) { | |
813 length += strlen(args[i]) + 1; // add 1 for a space | |
814 } | |
815 char* s = NEW_RESOURCE_ARRAY(char, length); | |
816 strcpy(s, args[0]); | |
817 for (int j = 1; j < count; j++) { | |
818 strcat(s, " "); | |
819 strcat(s, args[j]); | |
820 } | |
821 return (const char*) s; | |
822 } | |
823 | |
824 void Arguments::print_on(outputStream* st) { | |
825 st->print_cr("VM Arguments:"); | |
826 if (num_jvm_flags() > 0) { | |
827 st->print("jvm_flags: "); print_jvm_flags_on(st); | |
828 } | |
829 if (num_jvm_args() > 0) { | |
830 st->print("jvm_args: "); print_jvm_args_on(st); | |
831 } | |
832 st->print_cr("java_command: %s", java_command() ? java_command() : "<unknown>"); | |
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833 if (_java_class_path != NULL) { |
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834 char* path = _java_class_path->value(); |
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835 st->print_cr("java_class_path (initial): %s", strlen(path) == 0 ? "<not set>" : path ); |
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836 } |
0 | 837 st->print_cr("Launcher Type: %s", _sun_java_launcher); |
838 } | |
839 | |
840 void Arguments::print_jvm_flags_on(outputStream* st) { | |
841 if (_num_jvm_flags > 0) { | |
842 for (int i=0; i < _num_jvm_flags; i++) { | |
843 st->print("%s ", _jvm_flags_array[i]); | |
844 } | |
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845 st->cr(); |
0 | 846 } |
847 } | |
848 | |
849 void Arguments::print_jvm_args_on(outputStream* st) { | |
850 if (_num_jvm_args > 0) { | |
851 for (int i=0; i < _num_jvm_args; i++) { | |
852 st->print("%s ", _jvm_args_array[i]); | |
853 } | |
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854 st->cr(); |
0 | 855 } |
856 } | |
857 | |
242 | 858 bool Arguments::process_argument(const char* arg, |
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859 jboolean ignore_unrecognized, Flag::Flags origin) { |
242 | 860 |
861 JDK_Version since = JDK_Version(); | |
0 | 862 |
3250 | 863 if (parse_argument(arg, origin) || ignore_unrecognized) { |
864 return true; | |
0 | 865 } |
3250 | 866 |
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867 bool has_plus_minus = (*arg == '+' || *arg == '-'); |
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868 const char* const argname = has_plus_minus ? arg + 1 : arg; |
3250 | 869 if (is_newly_obsolete(arg, &since)) { |
870 char version[256]; | |
871 since.to_string(version, sizeof(version)); | |
872 warning("ignoring option %s; support was removed in %s", argname, version); | |
873 return true; | |
874 } | |
875 | |
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876 // For locked flags, report a custom error message if available. |
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877 // Otherwise, report the standard unrecognized VM option. |
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878 |
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879 size_t arg_len; |
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880 const char* equal_sign = strchr(argname, '='); |
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881 if (equal_sign == NULL) { |
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882 arg_len = strlen(argname); |
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883 } else { |
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884 arg_len = equal_sign - argname; |
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885 } |
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886 |
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887 Flag* found_flag = Flag::find_flag((const char*)argname, arg_len, true, true); |
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888 if (found_flag != NULL) { |
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889 char locked_message_buf[BUFLEN]; |
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890 found_flag->get_locked_message(locked_message_buf, BUFLEN); |
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891 if (strlen(locked_message_buf) == 0) { |
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892 if (found_flag->is_bool() && !has_plus_minus) { |
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893 jio_fprintf(defaultStream::error_stream(), |
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894 "Missing +/- setting for VM option '%s'\n", argname); |
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895 } else if (!found_flag->is_bool() && has_plus_minus) { |
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896 jio_fprintf(defaultStream::error_stream(), |
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897 "Unexpected +/- setting in VM option '%s'\n", argname); |
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898 } else { |
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899 jio_fprintf(defaultStream::error_stream(), |
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900 "Improperly specified VM option '%s'\n", argname); |
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901 } |
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902 } else { |
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903 jio_fprintf(defaultStream::error_stream(), "%s", locked_message_buf); |
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904 } |
6017 | 905 } else { |
906 jio_fprintf(defaultStream::error_stream(), | |
907 "Unrecognized VM option '%s'\n", argname); | |
11070 | 908 Flag* fuzzy_matched = Flag::fuzzy_match((const char*)argname, arg_len, true); |
909 if (fuzzy_matched != NULL) { | |
910 jio_fprintf(defaultStream::error_stream(), | |
911 "Did you mean '%s%s%s'?\n", | |
912 (fuzzy_matched->is_bool()) ? "(+/-)" : "", | |
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913 fuzzy_matched->_name, |
11070 | 914 (fuzzy_matched->is_bool()) ? "" : "=<value>"); |
915 } | |
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916 } |
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917 |
3250 | 918 // allow for commandline "commenting out" options like -XX:#+Verbose |
919 return arg[0] == '#'; | |
0 | 920 } |
921 | |
922 bool Arguments::process_settings_file(const char* file_name, bool should_exist, jboolean ignore_unrecognized) { | |
923 FILE* stream = fopen(file_name, "rb"); | |
924 if (stream == NULL) { | |
925 if (should_exist) { | |
926 jio_fprintf(defaultStream::error_stream(), | |
927 "Could not open settings file %s\n", file_name); | |
928 return false; | |
929 } else { | |
930 return true; | |
931 } | |
932 } | |
933 | |
934 char token[1024]; | |
935 int pos = 0; | |
936 | |
937 bool in_white_space = true; | |
938 bool in_comment = false; | |
939 bool in_quote = false; | |
940 char quote_c = 0; | |
941 bool result = true; | |
942 | |
943 int c = getc(stream); | |
6901 | 944 while(c != EOF && pos < (int)(sizeof(token)-1)) { |
0 | 945 if (in_white_space) { |
946 if (in_comment) { | |
947 if (c == '\n') in_comment = false; | |
948 } else { | |
949 if (c == '#') in_comment = true; | |
950 else if (!isspace(c)) { | |
951 in_white_space = false; | |
952 token[pos++] = c; | |
953 } | |
954 } | |
955 } else { | |
956 if (c == '\n' || (!in_quote && isspace(c))) { | |
957 // token ends at newline, or at unquoted whitespace | |
958 // this allows a way to include spaces in string-valued options | |
959 token[pos] = '\0'; | |
960 logOption(token); | |
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961 result &= process_argument(token, ignore_unrecognized, Flag::CONFIG_FILE); |
0 | 962 build_jvm_flags(token); |
963 pos = 0; | |
964 in_white_space = true; | |
965 in_quote = false; | |
966 } else if (!in_quote && (c == '\'' || c == '"')) { | |
967 in_quote = true; | |
968 quote_c = c; | |
969 } else if (in_quote && (c == quote_c)) { | |
970 in_quote = false; | |
971 } else { | |
972 token[pos++] = c; | |
973 } | |
974 } | |
975 c = getc(stream); | |
976 } | |
977 if (pos > 0) { | |
978 token[pos] = '\0'; | |
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979 result &= process_argument(token, ignore_unrecognized, Flag::CONFIG_FILE); |
0 | 980 build_jvm_flags(token); |
981 } | |
982 fclose(stream); | |
983 return result; | |
984 } | |
985 | |
986 //============================================================================================================= | |
987 // Parsing of properties (-D) | |
988 | |
989 const char* Arguments::get_property(const char* key) { | |
990 return PropertyList_get_value(system_properties(), key); | |
991 } | |
992 | |
993 bool Arguments::add_property(const char* prop) { | |
994 const char* eq = strchr(prop, '='); | |
995 char* key; | |
996 // ns must be static--its address may be stored in a SystemProperty object. | |
997 const static char ns[1] = {0}; | |
998 char* value = (char *)ns; | |
999 | |
1000 size_t key_len = (eq == NULL) ? strlen(prop) : (eq - prop); | |
6197 | 1001 key = AllocateHeap(key_len + 1, mtInternal); |
0 | 1002 strncpy(key, prop, key_len); |
1003 key[key_len] = '\0'; | |
1004 | |
1005 if (eq != NULL) { | |
1006 size_t value_len = strlen(prop) - key_len - 1; | |
6197 | 1007 value = AllocateHeap(value_len + 1, mtInternal); |
0 | 1008 strncpy(value, &prop[key_len + 1], value_len + 1); |
1009 } | |
1010 | |
1011 if (strcmp(key, "java.compiler") == 0) { | |
1012 process_java_compiler_argument(value); | |
1013 FreeHeap(key); | |
1014 if (eq != NULL) { | |
1015 FreeHeap(value); | |
1016 } | |
1017 return true; | |
691 | 1018 } else if (strcmp(key, "sun.java.command") == 0) { |
0 | 1019 _java_command = value; |
1020 | |
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1021 // Record value in Arguments, but let it get passed to Java. |
691 | 1022 } else if (strcmp(key, "sun.java.launcher.pid") == 0) { |
0 | 1023 // launcher.pid property is private and is processed |
1024 // in process_sun_java_launcher_properties(); | |
1025 // the sun.java.launcher property is passed on to the java application | |
1026 FreeHeap(key); | |
1027 if (eq != NULL) { | |
1028 FreeHeap(value); | |
1029 } | |
1030 return true; | |
691 | 1031 } else if (strcmp(key, "java.vendor.url.bug") == 0) { |
0 | 1032 // save it in _java_vendor_url_bug, so JVM fatal error handler can access |
1033 // its value without going through the property list or making a Java call. | |
1034 _java_vendor_url_bug = value; | |
691 | 1035 } else if (strcmp(key, "sun.boot.library.path") == 0) { |
1036 PropertyList_unique_add(&_system_properties, key, value, true); | |
1037 return true; | |
0 | 1038 } |
1039 // Create new property and add at the end of the list | |
1040 PropertyList_unique_add(&_system_properties, key, value); | |
1041 return true; | |
1042 } | |
1043 | |
1044 //=========================================================================================================== | |
1045 // Setting int/mixed/comp mode flags | |
1046 | |
1047 void Arguments::set_mode_flags(Mode mode) { | |
1048 // Set up default values for all flags. | |
1049 // If you add a flag to any of the branches below, | |
1050 // add a default value for it here. | |
1051 set_java_compiler(false); | |
1052 _mode = mode; | |
1053 | |
1054 // Ensure Agent_OnLoad has the correct initial values. | |
1055 // This may not be the final mode; mode may change later in onload phase. | |
1056 PropertyList_unique_add(&_system_properties, "java.vm.info", | |
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1057 (char*)VM_Version::vm_info_string(), false); |
0 | 1058 |
1059 UseInterpreter = true; | |
1060 UseCompiler = true; | |
1061 UseLoopCounter = true; | |
1062 | |
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1063 #ifndef ZERO |
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1064 // Turn these off for mixed and comp. Leave them on for Zero. |
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1065 if (FLAG_IS_DEFAULT(UseFastAccessorMethods)) { |
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1066 UseFastAccessorMethods = (mode == _int); |
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1067 } |
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1068 if (FLAG_IS_DEFAULT(UseFastEmptyMethods)) { |
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1069 UseFastEmptyMethods = (mode == _int); |
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1070 } |
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1071 #endif |
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1072 |
0 | 1073 // Default values may be platform/compiler dependent - |
1074 // use the saved values | |
1075 ClipInlining = Arguments::_ClipInlining; | |
1076 AlwaysCompileLoopMethods = Arguments::_AlwaysCompileLoopMethods; | |
1077 UseOnStackReplacement = Arguments::_UseOnStackReplacement; | |
1078 BackgroundCompilation = Arguments::_BackgroundCompilation; | |
1079 | |
1080 // Change from defaults based on mode | |
1081 switch (mode) { | |
1082 default: | |
1083 ShouldNotReachHere(); | |
1084 break; | |
1085 case _int: | |
1086 UseCompiler = false; | |
1087 UseLoopCounter = false; | |
1088 AlwaysCompileLoopMethods = false; | |
1089 UseOnStackReplacement = false; | |
1090 break; | |
1091 case _mixed: | |
1092 // same as default | |
1093 break; | |
1094 case _comp: | |
1095 UseInterpreter = false; | |
1096 BackgroundCompilation = false; | |
1097 ClipInlining = false; | |
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1098 // Be much more aggressive in tiered mode with -Xcomp and exercise C2 more. |
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1099 // We will first compile a level 3 version (C1 with full profiling), then do one invocation of it and |
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1100 // compile a level 4 (C2) and then continue executing it. |
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1101 if (TieredCompilation) { |
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1102 Tier3InvokeNotifyFreqLog = 0; |
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1103 Tier4InvocationThreshold = 0; |
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1104 } |
0 | 1105 break; |
1106 } | |
1107 } | |
1108 | |
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1109 #if defined(COMPILER2) || defined(_LP64) || !INCLUDE_CDS |
0 | 1110 // Conflict: required to use shared spaces (-Xshare:on), but |
1111 // incompatible command line options were chosen. | |
1112 | |
1113 static void no_shared_spaces() { | |
1114 if (RequireSharedSpaces) { | |
1115 jio_fprintf(defaultStream::error_stream(), | |
1116 "Class data sharing is inconsistent with other specified options.\n"); | |
1117 vm_exit_during_initialization("Unable to use shared archive.", NULL); | |
1118 } else { | |
1119 FLAG_SET_DEFAULT(UseSharedSpaces, false); | |
1120 } | |
1121 } | |
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1122 #endif |
0 | 1123 |
1783 | 1124 void Arguments::set_tiered_flags() { |
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1125 // With tiered, set default policy to AdvancedThresholdPolicy, which is 3. |
1783 | 1126 if (FLAG_IS_DEFAULT(CompilationPolicyChoice)) { |
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1127 FLAG_SET_DEFAULT(CompilationPolicyChoice, 3); |
1783 | 1128 } |
1129 if (CompilationPolicyChoice < 2) { | |
1130 vm_exit_during_initialization( | |
1131 "Incompatible compilation policy selected", NULL); | |
1132 } | |
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1133 // Increase the code cache size - tiered compiles a lot more. |
1783 | 1134 if (FLAG_IS_DEFAULT(ReservedCodeCacheSize)) { |
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1135 FLAG_SET_DEFAULT(ReservedCodeCacheSize, ReservedCodeCacheSize * 5); |
1783 | 1136 } |
10278 | 1137 if (!UseInterpreter) { // -Xcomp |
1138 Tier3InvokeNotifyFreqLog = 0; | |
1139 Tier4InvocationThreshold = 0; | |
1140 } | |
1783 | 1141 } |
1142 | |
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1143 #if INCLUDE_ALL_GCS |
4838 | 1144 static void disable_adaptive_size_policy(const char* collector_name) { |
1145 if (UseAdaptiveSizePolicy) { | |
1146 if (FLAG_IS_CMDLINE(UseAdaptiveSizePolicy)) { | |
1147 warning("disabling UseAdaptiveSizePolicy; it is incompatible with %s.", | |
1148 collector_name); | |
1149 } | |
1150 FLAG_SET_DEFAULT(UseAdaptiveSizePolicy, false); | |
1151 } | |
1152 } | |
1153 | |
0 | 1154 void Arguments::set_parnew_gc_flags() { |
1064 | 1155 assert(!UseSerialGC && !UseParallelOldGC && !UseParallelGC && !UseG1GC, |
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1156 "control point invariant"); |
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1157 assert(UseParNewGC, "Error"); |
0 | 1158 |
4838 | 1159 // Turn off AdaptiveSizePolicy for parnew until it is complete. |
1160 disable_adaptive_size_policy("UseParNewGC"); | |
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1161 |
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1162 if (FLAG_IS_DEFAULT(ParallelGCThreads)) { |
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1163 FLAG_SET_DEFAULT(ParallelGCThreads, Abstract_VM_Version::parallel_worker_threads()); |
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1164 assert(ParallelGCThreads > 0, "We should always have at least one thread by default"); |
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1165 } else if (ParallelGCThreads == 0) { |
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1166 jio_fprintf(defaultStream::error_stream(), |
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1167 "The ParNew GC can not be combined with -XX:ParallelGCThreads=0\n"); |
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1168 vm_exit(1); |
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1169 } |
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1170 |
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1171 // By default YoungPLABSize and OldPLABSize are set to 4096 and 1024 respectively, |
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1172 // these settings are default for Parallel Scavenger. For ParNew+Tenured configuration |
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1173 // we set them to 1024 and 1024. |
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1174 // See CR 6362902. |
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1175 if (FLAG_IS_DEFAULT(YoungPLABSize)) { |
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1176 FLAG_SET_DEFAULT(YoungPLABSize, (intx)1024); |
0 | 1177 } |
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1178 if (FLAG_IS_DEFAULT(OldPLABSize)) { |
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1179 FLAG_SET_DEFAULT(OldPLABSize, (intx)1024); |
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1180 } |
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1181 |
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1182 // AlwaysTenure flag should make ParNew promote all at first collection. |
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1183 // See CR 6362902. |
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1184 if (AlwaysTenure) { |
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1185 FLAG_SET_CMDLINE(uintx, MaxTenuringThreshold, 0); |
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1186 } |
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1187 // When using compressed oops, we use local overflow stacks, |
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1188 // rather than using a global overflow list chained through |
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1189 // the klass word of the object's pre-image. |
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1190 if (UseCompressedOops && !ParGCUseLocalOverflow) { |
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1191 if (!FLAG_IS_DEFAULT(ParGCUseLocalOverflow)) { |
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1192 warning("Forcing +ParGCUseLocalOverflow: needed if using compressed references"); |
0 | 1193 } |
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1194 FLAG_SET_DEFAULT(ParGCUseLocalOverflow, true); |
0 | 1195 } |
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1196 assert(ParGCUseLocalOverflow || !UseCompressedOops, "Error"); |
0 | 1197 } |
1198 | |
1199 // Adjust some sizes to suit CMS and/or ParNew needs; these work well on | |
1200 // sparc/solaris for certain applications, but would gain from | |
1201 // further optimization and tuning efforts, and would almost | |
1202 // certainly gain from analysis of platform and environment. | |
1203 void Arguments::set_cms_and_parnew_gc_flags() { | |
1064 | 1204 assert(!UseSerialGC && !UseParallelOldGC && !UseParallelGC, "Error"); |
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1205 assert(UseConcMarkSweepGC, "CMS is expected to be on here"); |
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1206 |
0 | 1207 // If we are using CMS, we prefer to UseParNewGC, |
1208 // unless explicitly forbidden. | |
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1209 if (FLAG_IS_DEFAULT(UseParNewGC)) { |
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1210 FLAG_SET_ERGO(bool, UseParNewGC, true); |
0 | 1211 } |
1212 | |
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1213 // Turn off AdaptiveSizePolicy by default for cms until it is complete. |
4838 | 1214 disable_adaptive_size_policy("UseConcMarkSweepGC"); |
0 | 1215 |
1216 // In either case, adjust ParallelGCThreads and/or UseParNewGC | |
1217 // as needed. | |
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1218 if (UseParNewGC) { |
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1219 set_parnew_gc_flags(); |
0 | 1220 } |
1221 | |
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1222 size_t max_heap = align_size_down(MaxHeapSize, |
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1223 CardTableRS::ct_max_alignment_constraint()); |
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1224 |
0 | 1225 // Now make adjustments for CMS |
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1226 intx tenuring_default = (intx)6; |
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1227 size_t young_gen_per_worker = CMSYoungGenPerWorker; |
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1228 |
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1229 // Preferred young gen size for "short" pauses: |
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1230 // upper bound depends on # of threads and NewRatio. |
0 | 1231 const uintx parallel_gc_threads = |
1232 (ParallelGCThreads == 0 ? 1 : ParallelGCThreads); | |
1233 const size_t preferred_max_new_size_unaligned = | |
2368
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1234 MIN2(max_heap/(NewRatio+1), ScaleForWordSize(young_gen_per_worker * parallel_gc_threads)); |
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1235 size_t preferred_max_new_size = |
0 | 1236 align_size_up(preferred_max_new_size_unaligned, os::vm_page_size()); |
1237 | |
1238 // Unless explicitly requested otherwise, size young gen | |
2368
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1239 // for "short" pauses ~ CMSYoungGenPerWorker*ParallelGCThreads |
886
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1240 |
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1241 // If either MaxNewSize or NewRatio is set on the command line, |
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1242 // assume the user is trying to set the size of the young gen. |
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1243 if (FLAG_IS_DEFAULT(MaxNewSize) && FLAG_IS_DEFAULT(NewRatio)) { |
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1244 |
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1245 // Set MaxNewSize to our calculated preferred_max_new_size unless |
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1246 // NewSize was set on the command line and it is larger than |
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1247 // preferred_max_new_size. |
0 | 1248 if (!FLAG_IS_DEFAULT(NewSize)) { // NewSize explicitly set at command-line |
13
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1249 FLAG_SET_ERGO(uintx, MaxNewSize, MAX2(NewSize, preferred_max_new_size)); |
0 | 1250 } else { |
13
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1251 FLAG_SET_ERGO(uintx, MaxNewSize, preferred_max_new_size); |
0 | 1252 } |
1064 | 1253 if (PrintGCDetails && Verbose) { |
13
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1254 // Too early to use gclog_or_tty |
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1255 tty->print_cr("CMS ergo set MaxNewSize: " SIZE_FORMAT, MaxNewSize); |
886
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1256 } |
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1257 |
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1258 // Code along this path potentially sets NewSize and OldSize |
1064 | 1259 if (PrintGCDetails && Verbose) { |
13
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1260 // Too early to use gclog_or_tty |
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1261 tty->print_cr("CMS set min_heap_size: " SIZE_FORMAT |
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1262 " initial_heap_size: " SIZE_FORMAT |
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1263 " max_heap: " SIZE_FORMAT, |
1064 | 1264 min_heap_size(), InitialHeapSize, max_heap); |
13
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1265 } |
2368
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1266 size_t min_new = preferred_max_new_size; |
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1267 if (FLAG_IS_CMDLINE(NewSize)) { |
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1268 min_new = NewSize; |
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1269 } |
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1270 if (max_heap > min_new && min_heap_size() > min_new) { |
0 | 1271 // Unless explicitly requested otherwise, make young gen |
1272 // at least min_new, and at most preferred_max_new_size. | |
1273 if (FLAG_IS_DEFAULT(NewSize)) { | |
13
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1274 FLAG_SET_ERGO(uintx, NewSize, MAX2(NewSize, min_new)); |
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1275 FLAG_SET_ERGO(uintx, NewSize, MIN2(preferred_max_new_size, NewSize)); |
1064 | 1276 if (PrintGCDetails && Verbose) { |
13
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1277 // Too early to use gclog_or_tty |
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1278 tty->print_cr("CMS ergo set NewSize: " SIZE_FORMAT, NewSize); |
13
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1279 } |
0 | 1280 } |
1281 // Unless explicitly requested otherwise, size old gen | |
2368
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1282 // so it's NewRatio x of NewSize. |
0 | 1283 if (FLAG_IS_DEFAULT(OldSize)) { |
1284 if (max_heap > NewSize) { | |
2368
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1285 FLAG_SET_ERGO(uintx, OldSize, MIN2(NewRatio*NewSize, max_heap - NewSize)); |
1064 | 1286 if (PrintGCDetails && Verbose) { |
13
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1287 // Too early to use gclog_or_tty |
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1288 tty->print_cr("CMS ergo set OldSize: " SIZE_FORMAT, OldSize); |
13
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1289 } |
0 | 1290 } |
1291 } | |
1292 } | |
1293 } | |
1294 // Unless explicitly requested otherwise, definitely | |
1295 // promote all objects surviving "tenuring_default" scavenges. | |
1296 if (FLAG_IS_DEFAULT(MaxTenuringThreshold) && | |
1297 FLAG_IS_DEFAULT(SurvivorRatio)) { | |
6818 | 1298 FLAG_SET_ERGO(uintx, MaxTenuringThreshold, tenuring_default); |
0 | 1299 } |
1300 // If we decided above (or user explicitly requested) | |
1301 // `promote all' (via MaxTenuringThreshold := 0), | |
1302 // prefer minuscule survivor spaces so as not to waste | |
1303 // space for (non-existent) survivors | |
1304 if (FLAG_IS_DEFAULT(SurvivorRatio) && MaxTenuringThreshold == 0) { | |
8035 | 1305 FLAG_SET_ERGO(uintx, SurvivorRatio, MAX2((uintx)1024, SurvivorRatio)); |
0 | 1306 } |
1307 // If OldPLABSize is set and CMSParPromoteBlocksToClaim is not, | |
1308 // set CMSParPromoteBlocksToClaim equal to OldPLABSize. | |
1309 // This is done in order to make ParNew+CMS configuration to work | |
1310 // with YoungPLABSize and OldPLABSize options. | |
1311 // See CR 6362902. | |
1312 if (!FLAG_IS_DEFAULT(OldPLABSize)) { | |
1313 if (FLAG_IS_DEFAULT(CMSParPromoteBlocksToClaim)) { | |
13
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1314 // OldPLABSize is not the default value but CMSParPromoteBlocksToClaim |
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1315 // is. In this situtation let CMSParPromoteBlocksToClaim follow |
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1316 // the value (either from the command line or ergonomics) of |
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1317 // OldPLABSize. Following OldPLABSize is an ergonomics decision. |
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1318 FLAG_SET_ERGO(uintx, CMSParPromoteBlocksToClaim, OldPLABSize); |
1145
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1319 } else { |
0 | 1320 // OldPLABSize and CMSParPromoteBlocksToClaim are both set. |
1321 // CMSParPromoteBlocksToClaim is a collector-specific flag, so | |
1322 // we'll let it to take precedence. | |
1323 jio_fprintf(defaultStream::error_stream(), | |
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1324 "Both OldPLABSize and CMSParPromoteBlocksToClaim" |
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1325 " options are specified for the CMS collector." |
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1326 " CMSParPromoteBlocksToClaim will take precedence.\n"); |
0 | 1327 } |
1328 } | |
1145
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1329 if (!FLAG_IS_DEFAULT(ResizeOldPLAB) && !ResizeOldPLAB) { |
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1330 // OldPLAB sizing manually turned off: Use a larger default setting, |
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1331 // unless it was manually specified. This is because a too-low value |
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1332 // will slow down scavenges. |
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1333 if (FLAG_IS_DEFAULT(CMSParPromoteBlocksToClaim)) { |
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1334 FLAG_SET_ERGO(uintx, CMSParPromoteBlocksToClaim, 50); // default value before 6631166 |
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1335 } |
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1336 } |
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1337 // Overwrite OldPLABSize which is the variable we will internally use everywhere. |
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1338 FLAG_SET_ERGO(uintx, OldPLABSize, CMSParPromoteBlocksToClaim); |
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1339 // If either of the static initialization defaults have changed, note this |
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1340 // modification. |
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1341 if (!FLAG_IS_DEFAULT(CMSParPromoteBlocksToClaim) || !FLAG_IS_DEFAULT(OldPLABWeight)) { |
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1342 CFLS_LAB::modify_initialization(OldPLABSize, OldPLABWeight); |
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1343 } |
1284 | 1344 if (PrintGCDetails && Verbose) { |
1345 tty->print_cr("MarkStackSize: %uk MarkStackSizeMax: %uk", | |
17937
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1346 (unsigned int) (MarkStackSize / K), (uint) (MarkStackSizeMax / K)); |
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1347 tty->print_cr("ConcGCThreads: %u", (uint) ConcGCThreads); |
1284 | 1348 } |
0 | 1349 } |
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1350 #endif // INCLUDE_ALL_GCS |
0 | 1351 |
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1352 void set_object_alignment() { |
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1353 // Object alignment. |
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1354 assert(is_power_of_2(ObjectAlignmentInBytes), "ObjectAlignmentInBytes must be power of 2"); |
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1355 MinObjAlignmentInBytes = ObjectAlignmentInBytes; |
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1356 assert(MinObjAlignmentInBytes >= HeapWordsPerLong * HeapWordSize, "ObjectAlignmentInBytes value is too small"); |
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1357 MinObjAlignment = MinObjAlignmentInBytes / HeapWordSize; |
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1358 assert(MinObjAlignmentInBytes == MinObjAlignment * HeapWordSize, "ObjectAlignmentInBytes value is incorrect"); |
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1359 MinObjAlignmentInBytesMask = MinObjAlignmentInBytes - 1; |
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1360 |
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1361 LogMinObjAlignmentInBytes = exact_log2(ObjectAlignmentInBytes); |
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1362 LogMinObjAlignment = LogMinObjAlignmentInBytes - LogHeapWordSize; |
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1363 |
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1364 // Oop encoding heap max |
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1365 OopEncodingHeapMax = (uint64_t(max_juint) + 1) << LogMinObjAlignmentInBytes; |
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1366 |
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1367 #if INCLUDE_ALL_GCS |
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1368 // Set CMS global values |
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1369 CompactibleFreeListSpace::set_cms_values(); |
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1370 #endif // INCLUDE_ALL_GCS |
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1371 } |
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1372 |
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1373 bool verify_object_alignment() { |
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1374 // Object alignment. |
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1375 if (!is_power_of_2(ObjectAlignmentInBytes)) { |
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1376 jio_fprintf(defaultStream::error_stream(), |
1829
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1377 "error: ObjectAlignmentInBytes=%d must be power of 2\n", |
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1378 (int)ObjectAlignmentInBytes); |
1571
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1379 return false; |
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1380 } |
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1381 if ((int)ObjectAlignmentInBytes < BytesPerLong) { |
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1382 jio_fprintf(defaultStream::error_stream(), |
1829
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6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
1796
diff
changeset
|
1383 "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
|
1384 (int)ObjectAlignmentInBytes, BytesPerLong); |
fe08403130db
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
1796
diff
changeset
|
1385 return false; |
fe08403130db
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
1796
diff
changeset
|
1386 } |
fe08403130db
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
1796
diff
changeset
|
1387 // 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
|
1388 // 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
|
1389 // then a saved space from compressed oops. |
fe08403130db
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
1796
diff
changeset
|
1390 if ((int)ObjectAlignmentInBytes > 256) { |
fe08403130db
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
1796
diff
changeset
|
1391 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
|
1392 "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
|
1393 (int)ObjectAlignmentInBytes); |
fe08403130db
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
1796
diff
changeset
|
1394 return false; |
fe08403130db
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
1796
diff
changeset
|
1395 } |
fe08403130db
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
1796
diff
changeset
|
1396 // In case page size is very small. |
fe08403130db
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
1796
diff
changeset
|
1397 if ((int)ObjectAlignmentInBytes >= os::vm_page_size()) { |
fe08403130db
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
1796
diff
changeset
|
1398 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
|
1399 "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
|
1400 (int)ObjectAlignmentInBytes, os::vm_page_size()); |
1571
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
1401 return false; |
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
1402 } |
20317
ee019285a52c
8031323: Optionally align objects copied to survivor spaces
jmasa
parents:
20294
diff
changeset
|
1403 if(SurvivorAlignmentInBytes == 0) { |
ee019285a52c
8031323: Optionally align objects copied to survivor spaces
jmasa
parents:
20294
diff
changeset
|
1404 SurvivorAlignmentInBytes = ObjectAlignmentInBytes; |
ee019285a52c
8031323: Optionally align objects copied to survivor spaces
jmasa
parents:
20294
diff
changeset
|
1405 } else { |
ee019285a52c
8031323: Optionally align objects copied to survivor spaces
jmasa
parents:
20294
diff
changeset
|
1406 if (!is_power_of_2(SurvivorAlignmentInBytes)) { |
ee019285a52c
8031323: Optionally align objects copied to survivor spaces
jmasa
parents:
20294
diff
changeset
|
1407 jio_fprintf(defaultStream::error_stream(), |
ee019285a52c
8031323: Optionally align objects copied to survivor spaces
jmasa
parents:
20294
diff
changeset
|
1408 "error: SurvivorAlignmentInBytes=%d must be power of 2\n", |
ee019285a52c
8031323: Optionally align objects copied to survivor spaces
jmasa
parents:
20294
diff
changeset
|
1409 (int)SurvivorAlignmentInBytes); |
ee019285a52c
8031323: Optionally align objects copied to survivor spaces
jmasa
parents:
20294
diff
changeset
|
1410 return false; |
ee019285a52c
8031323: Optionally align objects copied to survivor spaces
jmasa
parents:
20294
diff
changeset
|
1411 } |
ee019285a52c
8031323: Optionally align objects copied to survivor spaces
jmasa
parents:
20294
diff
changeset
|
1412 if (SurvivorAlignmentInBytes < ObjectAlignmentInBytes) { |
ee019285a52c
8031323: Optionally align objects copied to survivor spaces
jmasa
parents:
20294
diff
changeset
|
1413 jio_fprintf(defaultStream::error_stream(), |
ee019285a52c
8031323: Optionally align objects copied to survivor spaces
jmasa
parents:
20294
diff
changeset
|
1414 "error: SurvivorAlignmentInBytes=%d must be greater than ObjectAlignmentInBytes=%d \n", |
ee019285a52c
8031323: Optionally align objects copied to survivor spaces
jmasa
parents:
20294
diff
changeset
|
1415 (int)SurvivorAlignmentInBytes, (int)ObjectAlignmentInBytes); |
ee019285a52c
8031323: Optionally align objects copied to survivor spaces
jmasa
parents:
20294
diff
changeset
|
1416 return false; |
ee019285a52c
8031323: Optionally align objects copied to survivor spaces
jmasa
parents:
20294
diff
changeset
|
1417 } |
ee019285a52c
8031323: Optionally align objects copied to survivor spaces
jmasa
parents:
20294
diff
changeset
|
1418 } |
1571
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
1419 return true; |
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
1420 } |
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
1421 |
20220
d15367d92f0d
8043723: max_heap_for_compressed_oops() declared with size_t, but defined with uintx
tschatzl
parents:
17937
diff
changeset
|
1422 size_t Arguments::max_heap_for_compressed_oops() { |
1963 | 1423 // Avoid sign flip. |
12056
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1424 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
|
1425 // 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
|
1426 // keeping alignment constraints of the heap. To guarantee the latter, as the |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
1427 // 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
|
1428 // 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
|
1429 size_t displacement_due_to_null_page = align_size_up_(os::vm_page_size(), |
13059
46d7652b223c
8026853: Prepare GC code for collector policy regression fix
jwilhelm
parents:
13008
diff
changeset
|
1430 _conservative_max_heap_alignment); |
12233
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
1431 |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
1432 LP64_ONLY(return OopEncodingHeapMax - displacement_due_to_null_page); |
1064 | 1433 NOT_LP64(ShouldNotReachHere(); return 0); |
135
b7268662a986
6689523: max heap calculation for compressed oops is off by MaxPermSize
coleenp
parents:
113
diff
changeset
|
1434 } |
b7268662a986
6689523: max heap calculation for compressed oops is off by MaxPermSize
coleenp
parents:
113
diff
changeset
|
1435 |
0 | 1436 bool Arguments::should_auto_select_low_pause_collector() { |
1437 if (UseAutoGCSelectPolicy && | |
1438 !FLAG_IS_DEFAULT(MaxGCPauseMillis) && | |
1439 (MaxGCPauseMillis <= AutoGCSelectPauseMillis)) { | |
1440 if (PrintGCDetails) { | |
1441 // Cannot use gclog_or_tty yet. | |
1442 tty->print_cr("Automatic selection of the low pause collector" | |
17937
78bbf4d43a14
8037816: Fix for 8036122 breaks build with Xcode5/clang
drchase
parents:
17906
diff
changeset
|
1443 " based on pause goal of %d (ms)", (int) MaxGCPauseMillis); |
0 | 1444 } |
1445 return true; | |
1446 } | |
1447 return false; | |
1448 } | |
1449 | |
8741
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1450 void Arguments::set_use_compressed_oops() { |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1451 #ifndef ZERO |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1452 #ifdef _LP64 |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1453 // 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
|
1454 // 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
|
1455 // to use UseCompressedOops is InitialHeapSize. |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1456 size_t max_heap_size = MAX2(MaxHeapSize, InitialHeapSize); |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1457 |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1458 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
|
1459 #if !defined(COMPILER1) || defined(TIERED) |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1460 if (FLAG_IS_DEFAULT(UseCompressedOops)) { |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1461 FLAG_SET_ERGO(bool, UseCompressedOops, true); |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1462 } |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1463 #endif |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1464 #ifdef _WIN64 |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1465 if (UseLargePages && UseCompressedOops) { |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1466 // Cannot allocate guard pages for implicit checks in indexed addressing |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1467 // 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
|
1468 // This flag could be switched ON if narrow oop base address is set to 0, |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1469 // see code in Universe::initialize_heap(). |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1470 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
|
1471 } |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1472 #endif // _WIN64 |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1473 } else { |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1474 if (UseCompressedOops && !FLAG_IS_DEFAULT(UseCompressedOops)) { |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1475 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
|
1476 FLAG_SET_DEFAULT(UseCompressedOops, false); |
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
1477 FLAG_SET_DEFAULT(UseCompressedClassPointers, false); |
8741
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1478 } |
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 #endif // _LP64 |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1481 #endif // ZERO |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1482 } |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1483 |
12056
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1484 |
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1485 // NOTE: set_use_compressed_klass_ptrs() must be called after calling |
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1486 // set_use_compressed_oops(). |
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1487 void Arguments::set_use_compressed_klass_ptrs() { |
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1488 #ifndef ZERO |
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1489 #ifdef _LP64 |
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
1490 // UseCompressedOops must be on for UseCompressedClassPointers to be on. |
12056
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1491 if (!UseCompressedOops) { |
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
1492 if (UseCompressedClassPointers) { |
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
1493 warning("UseCompressedClassPointers requires UseCompressedOops"); |
12056
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1494 } |
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
1495 FLAG_SET_DEFAULT(UseCompressedClassPointers, false); |
12056
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1496 } else { |
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
1497 // Turn on UseCompressedClassPointers too |
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
1498 if (FLAG_IS_DEFAULT(UseCompressedClassPointers)) { |
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
1499 FLAG_SET_ERGO(bool, UseCompressedClassPointers, true); |
12056
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1500 } |
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
1501 // 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
|
1502 if (UseCompressedClassPointers) { |
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
1503 if (CompressedClassSpaceSize > KlassEncodingMetaspaceMax) { |
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
1504 warning("CompressedClassSpaceSize is too large for UseCompressedClassPointers"); |
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
1505 FLAG_SET_DEFAULT(UseCompressedClassPointers, false); |
12056
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1506 } |
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1507 } |
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 #endif // _LP64 |
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1510 #endif // !ZERO |
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1511 } |
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1512 |
12233
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
1513 void Arguments::set_conservative_max_heap_alignment() { |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
1514 // The conservative maximum required alignment for the heap is the maximum of |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
1515 // the alignments imposed by several sources: any requirements from the heap |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
1516 // itself, the collector policy and the maximum page size we may run the VM |
40136aa2cdb1
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1517 // with. |
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|
1518 size_t heap_alignment = GenCollectedHeap::conservative_max_heap_alignment(); |
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|
1519 #if INCLUDE_ALL_GCS |
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|
1520 if (UseParallelGC) { |
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|
1521 heap_alignment = ParallelScavengeHeap::conservative_max_heap_alignment(); |
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|
1522 } else if (UseG1GC) { |
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|
1523 heap_alignment = G1CollectedHeap::conservative_max_heap_alignment(); |
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|
1524 } |
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|
1525 #endif // INCLUDE_ALL_GCS |
20294
dd219eaec9cc
8048088: Conservative maximum heap alignment should take vm_allocation_granularity into account
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|
1526 _conservative_max_heap_alignment = MAX4(heap_alignment, |
dd219eaec9cc
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|
1527 (size_t)os::vm_allocation_granularity(), |
dd219eaec9cc
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|
1528 os::max_page_size(), |
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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
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6964458: Reimplement class meta-data storage to use native memory
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|
1548 } |
0 | 1549 } |
12280
9ed97b511b26
8024517: runtime/CDSCompressedKPtrs/XShareAuto.java failed with RuntimeException
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|
1550 #ifdef COMPILER2 |
9ed97b511b26
8024517: runtime/CDSCompressedKPtrs/XShareAuto.java failed with RuntimeException
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|
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
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|
1552 // to be disabled, which hurts interpreter performance and decreases |
9ed97b511b26
8024517: runtime/CDSCompressedKPtrs/XShareAuto.java failed with RuntimeException
hseigel
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diff
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|
1553 // server performance. When -server is specified, keep the default off |
9ed97b511b26
8024517: runtime/CDSCompressedKPtrs/XShareAuto.java failed with RuntimeException
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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
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diff
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|
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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|
1556 if (!DumpSharedSpaces && !RequireSharedSpaces && |
9ed97b511b26
8024517: runtime/CDSCompressedKPtrs/XShareAuto.java failed with RuntimeException
hseigel
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|
1557 (FLAG_IS_DEFAULT(UseSharedSpaces) || !UseSharedSpaces)) { |
9ed97b511b26
8024517: runtime/CDSCompressedKPtrs/XShareAuto.java failed with RuntimeException
hseigel
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|
1558 no_shared_spaces(); |
9ed97b511b26
8024517: runtime/CDSCompressedKPtrs/XShareAuto.java failed with RuntimeException
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|
1559 } |
9ed97b511b26
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|
1560 #endif |
113
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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
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|
1565 #ifdef _LP64 |
8741
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
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8734
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|
1566 set_use_compressed_oops(); |
12056
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
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|
1567 |
740e263c80c6
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|
1568 // set_use_compressed_klass_ptrs() must be called after calling |
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
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|
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 |
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|
1573 // in vm_version initialization code. |
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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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|
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
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|
1588 FLAG_SET_DEFAULT(ParallelGCThreads, |
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8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
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|
1589 Abstract_VM_Version::parallel_worker_threads()); |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
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|
1590 if (ParallelGCThreads == 0) { |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
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|
1591 jio_fprintf(defaultStream::error_stream(), |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
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|
1592 "The Parallel GC can not be combined with -XX:ParallelGCThreads=0\n"); |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
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|
1593 vm_exit(1); |
4c8bf5e55392
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|
1594 } |
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8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
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|
1595 |
17648
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
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17628
diff
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|
1596 if (UseAdaptiveSizePolicy) { |
a034dc5e910b
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17628
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|
1597 // We don't want to limit adaptive heap sizing's freedom to adjust the heap |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
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diff
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|
1598 // unless the user actually sets these flags. |
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17628
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|
1599 if (FLAG_IS_DEFAULT(MinHeapFreeRatio)) { |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
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|
1600 FLAG_SET_DEFAULT(MinHeapFreeRatio, 0); |
20345
f933a15469d4
8055006: Store original value of Min/MaxHeapFreeRatio
jwilhelm
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20317
diff
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|
1601 _min_heap_free_ratio = MinHeapFreeRatio; |
17648
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
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17628
diff
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|
1602 } |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
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17628
diff
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|
1603 if (FLAG_IS_DEFAULT(MaxHeapFreeRatio)) { |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
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17628
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|
1604 FLAG_SET_DEFAULT(MaxHeapFreeRatio, 100); |
20345
f933a15469d4
8055006: Store original value of Min/MaxHeapFreeRatio
jwilhelm
parents:
20317
diff
changeset
|
1605 _max_heap_free_ratio = MaxHeapFreeRatio; |
17648
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
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17628
diff
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|
1606 } |
a034dc5e910b
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17628
diff
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|
1607 } |
7471
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
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diff
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|
1608 |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
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diff
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|
1609 // If InitialSurvivorRatio or MinSurvivorRatio were not specified, but the |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
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diff
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|
1610 // SurvivorRatio has been set, reset their default values to SurvivorRatio + |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
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7453
diff
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|
1611 // 2. By doing this we make SurvivorRatio also work for Parallel Scavenger. |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
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|
1612 // See CR 6362902 for details. |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
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|
1613 if (!FLAG_IS_DEFAULT(SurvivorRatio)) { |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
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7453
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|
1614 if (FLAG_IS_DEFAULT(InitialSurvivorRatio)) { |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
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7453
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|
1615 FLAG_SET_DEFAULT(InitialSurvivorRatio, SurvivorRatio + 2); |
0 | 1616 } |
7471
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
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|
1617 if (FLAG_IS_DEFAULT(MinSurvivorRatio)) { |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
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7453
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|
1618 FLAG_SET_DEFAULT(MinSurvivorRatio, SurvivorRatio + 2); |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
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7453
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|
1619 } |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
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7453
diff
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|
1620 } |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
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7453
diff
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|
1621 |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
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7453
diff
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|
1622 if (UseParallelOldGC) { |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
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7453
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|
1623 // Par compact uses lower default values since they are treated as |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
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diff
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|
1624 // 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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diff
changeset
|
1625 // interpretation and are not ergonomically set. |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
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7453
diff
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|
1626 if (FLAG_IS_DEFAULT(MarkSweepDeadRatio)) { |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
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7453
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|
1627 FLAG_SET_DEFAULT(MarkSweepDeadRatio, 1); |
0 | 1628 } |
1629 } | |
1630 } | |
1631 | |
342
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|
1632 void Arguments::set_g1_gc_flags() { |
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|
1633 assert(UseG1GC, "Error"); |
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135
diff
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|
1634 #ifdef COMPILER1 |
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135
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|
1635 FastTLABRefill = false; |
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|
1636 #endif |
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|
1637 FLAG_SET_DEFAULT(ParallelGCThreads, |
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|
1638 Abstract_VM_Version::parallel_worker_threads()); |
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|
1639 if (ParallelGCThreads == 0) { |
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|
1640 FLAG_SET_DEFAULT(ParallelGCThreads, |
751 | 1641 Abstract_VM_Version::parallel_worker_threads()); |
342
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|
1642 } |
751 | 1643 |
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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|
1644 // 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
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7177
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|
1645 // 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
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|
1646 // 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
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7177
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|
1647 // 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
|
1648 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
|
1649 FLAG_SET_DEFAULT(MarkStackSizeMax, 128 * TASKQUEUE_SIZE); |
1284 | 1650 } |
1356 | 1651 |
1652 if (FLAG_IS_DEFAULT(GCTimeRatio) || GCTimeRatio == 0) { | |
1653 // In G1, we want the default GC overhead goal to be higher than | |
1654 // say in PS. So we set it here to 10%. Otherwise the heap might | |
1655 // be expanded more aggressively than we would like it to. In | |
1656 // fact, even 10% seems to not be high enough in some cases | |
1657 // (especially small GC stress tests that the main thing they do | |
1658 // is allocation). We might consider increase it further. | |
1659 FLAG_SET_DEFAULT(GCTimeRatio, 9); | |
1660 } | |
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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|
1661 |
442f942757c0
8000244: G1: Ergonomically set MarkStackSize and use virtual space for global marking stack
johnc
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7177
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|
1662 if (PrintGCDetails && Verbose) { |
442f942757c0
8000244: G1: Ergonomically set MarkStackSize and use virtual space for global marking stack
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7177
diff
changeset
|
1663 tty->print_cr("MarkStackSize: %uk MarkStackSizeMax: %uk", |
17937
78bbf4d43a14
8037816: Fix for 8036122 breaks build with Xcode5/clang
drchase
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17906
diff
changeset
|
1664 (unsigned int) (MarkStackSize / K), (uint) (MarkStackSizeMax / K)); |
78bbf4d43a14
8037816: Fix for 8036122 breaks build with Xcode5/clang
drchase
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17906
diff
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|
1665 tty->print_cr("ConcGCThreads: %u", (uint) ConcGCThreads); |
7397
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|
1666 } |
342
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|
1667 } |
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|
1668 |
8854
754c24457b20
7112912: Message "Error occurred during initialization of VM" on boxes with lots of RAM
tschatzl
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8824
diff
changeset
|
1669 julong Arguments::limit_by_allocatable_memory(julong limit) { |
754c24457b20
7112912: Message "Error occurred during initialization of VM" on boxes with lots of RAM
tschatzl
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8824
diff
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|
1670 julong max_allocatable; |
754c24457b20
7112912: Message "Error occurred during initialization of VM" on boxes with lots of RAM
tschatzl
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8824
diff
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|
1671 julong result = limit; |
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1672 if (os::has_allocatable_memory_limit(&max_allocatable)) { |
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|
1673 result = MIN2(result, max_allocatable / MaxVirtMemFraction); |
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|
1674 } |
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|
1675 return result; |
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|
1676 } |
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|
1677 |
1064 | 1678 void Arguments::set_heap_size() { |
1679 if (!FLAG_IS_DEFAULT(DefaultMaxRAMFraction)) { | |
1680 // Deprecated flag | |
1681 FLAG_SET_CMDLINE(uintx, MaxRAMFraction, DefaultMaxRAMFraction); | |
1682 } | |
1683 | |
1684 const julong phys_mem = | |
1685 FLAG_IS_DEFAULT(MaxRAM) ? MIN2(os::physical_memory(), (julong)MaxRAM) | |
1686 : (julong)MaxRAM; | |
1687 | |
1688 // If the maximum heap size has not been set with -Xmx, | |
1689 // then set it as fraction of the size of physical memory, | |
1690 // respecting the maximum and minimum sizes of the heap. | |
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1691 if (FLAG_IS_DEFAULT(MaxHeapSize)) { |
1064 | 1692 julong reasonable_max = phys_mem / MaxRAMFraction; |
1693 | |
1694 if (phys_mem <= MaxHeapSize * MinRAMFraction) { | |
1695 // Small physical memory, so use a minimum fraction of it for the heap | |
1696 reasonable_max = phys_mem / MinRAMFraction; | |
1697 } else { | |
1698 // Not-small physical memory, so require a heap at least | |
1699 // as large as MaxHeapSize | |
1700 reasonable_max = MAX2(reasonable_max, (julong)MaxHeapSize); | |
1701 } | |
1702 if (!FLAG_IS_DEFAULT(ErgoHeapSizeLimit) && ErgoHeapSizeLimit != 0) { | |
1703 // Limit the heap size to ErgoHeapSizeLimit | |
1704 reasonable_max = MIN2(reasonable_max, (julong)ErgoHeapSizeLimit); | |
342
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1705 } |
1064 | 1706 if (UseCompressedOops) { |
1707 // Limit the heap size to the maximum possible when using compressed oops | |
1963 | 1708 julong max_coop_heap = (julong)max_heap_for_compressed_oops(); |
1709 if (HeapBaseMinAddress + MaxHeapSize < max_coop_heap) { | |
1710 // Heap should be above HeapBaseMinAddress to get zero based compressed oops | |
1711 // but it should be not less than default MaxHeapSize. | |
1712 max_coop_heap -= HeapBaseMinAddress; | |
1713 } | |
1714 reasonable_max = MIN2(reasonable_max, max_coop_heap); | |
1064 | 1715 } |
8854
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|
1716 reasonable_max = limit_by_allocatable_memory(reasonable_max); |
1064 | 1717 |
1718 if (!FLAG_IS_DEFAULT(InitialHeapSize)) { | |
1719 // An initial heap size was specified on the command line, | |
1720 // so be sure that the maximum size is consistent. Done | |
8854
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1721 // after call to limit_by_allocatable_memory because that |
1064 | 1722 // method might reduce the allocation size. |
1723 reasonable_max = MAX2(reasonable_max, (julong)InitialHeapSize); | |
1724 } | |
1725 | |
342
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1726 if (PrintGCDetails && Verbose) { |
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|
1727 // Cannot use gclog_or_tty yet. |
17937
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|
1728 tty->print_cr(" Maximum heap size " SIZE_FORMAT, (size_t) reasonable_max); |
342
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1729 } |
1064 | 1730 FLAG_SET_ERGO(uintx, MaxHeapSize, (uintx)reasonable_max); |
1731 } | |
1732 | |
10241
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1733 // If the minimum or initial heap_size have not been set or requested to be set |
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1734 // ergonomically, set them accordingly. |
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1735 if (InitialHeapSize == 0 || min_heap_size() == 0) { |
1074
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|
1736 julong reasonable_minimum = (julong)(OldSize + NewSize); |
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1737 |
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1738 reasonable_minimum = MIN2(reasonable_minimum, (julong)MaxHeapSize); |
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1739 |
8854
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1740 reasonable_minimum = limit_by_allocatable_memory(reasonable_minimum); |
1074
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|
1741 |
10241
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1742 if (InitialHeapSize == 0) { |
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|
1743 julong reasonable_initial = phys_mem / InitialRAMFraction; |
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1744 |
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1745 reasonable_initial = MAX3(reasonable_initial, reasonable_minimum, (julong)min_heap_size()); |
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1746 reasonable_initial = MIN2(reasonable_initial, (julong)MaxHeapSize); |
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1747 |
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1748 reasonable_initial = limit_by_allocatable_memory(reasonable_initial); |
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1749 |
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1750 if (PrintGCDetails && Verbose) { |
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1751 // Cannot use gclog_or_tty yet. |
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1752 tty->print_cr(" Initial heap size " SIZE_FORMAT, (uintx)reasonable_initial); |
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|
1753 } |
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|
1754 FLAG_SET_ERGO(uintx, InitialHeapSize, (uintx)reasonable_initial); |
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1755 } |
10241
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1756 // If the minimum heap size has not been set (via -Xms), |
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1757 // synchronize with InitialHeapSize to avoid errors with the default value. |
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|
1758 if (min_heap_size() == 0) { |
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|
1759 set_min_heap_size(MIN2((uintx)reasonable_minimum, InitialHeapSize)); |
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|
1760 if (PrintGCDetails && Verbose) { |
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|
1761 // Cannot use gclog_or_tty yet. |
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|
1762 tty->print_cr(" Minimum heap size " SIZE_FORMAT, min_heap_size()); |
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|
1763 } |
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|
1764 } |
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|
1765 } |
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|
1766 } |
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|
1767 |
0 | 1768 // This must be called after ergonomics because we want bytecode rewriting |
1769 // if the server compiler is used, or if UseSharedSpaces is disabled. | |
1770 void Arguments::set_bytecode_flags() { | |
1771 // Better not attempt to store into a read-only space. | |
1772 if (UseSharedSpaces) { | |
1773 FLAG_SET_DEFAULT(RewriteBytecodes, false); | |
1774 FLAG_SET_DEFAULT(RewriteFrequentPairs, false); | |
1775 } | |
1776 | |
1777 if (!RewriteBytecodes) { | |
1778 FLAG_SET_DEFAULT(RewriteFrequentPairs, false); | |
1779 } | |
1780 } | |
1781 | |
1782 // Aggressive optimization flags -XX:+AggressiveOpts | |
1783 void Arguments::set_aggressive_opts_flags() { | |
17
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|
1784 #ifdef COMPILER2 |
10278 | 1785 if (AggressiveUnboxing) { |
1786 if (FLAG_IS_DEFAULT(EliminateAutoBox)) { | |
1787 FLAG_SET_DEFAULT(EliminateAutoBox, true); | |
1788 } else if (!EliminateAutoBox) { | |
1789 // warning("AggressiveUnboxing is disabled because EliminateAutoBox is disabled"); | |
1790 AggressiveUnboxing = false; | |
1791 } | |
1792 if (FLAG_IS_DEFAULT(DoEscapeAnalysis)) { | |
1793 FLAG_SET_DEFAULT(DoEscapeAnalysis, true); | |
1794 } else if (!DoEscapeAnalysis) { | |
1795 // warning("AggressiveUnboxing is disabled because DoEscapeAnalysis is disabled"); | |
1796 AggressiveUnboxing = false; | |
1797 } | |
1798 } | |
17
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|
1799 if (AggressiveOpts || !FLAG_IS_DEFAULT(AutoBoxCacheMax)) { |
ff5961f4c095
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|
1800 if (FLAG_IS_DEFAULT(EliminateAutoBox)) { |
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|
1801 FLAG_SET_DEFAULT(EliminateAutoBox, true); |
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|
1802 } |
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|
1803 if (FLAG_IS_DEFAULT(AutoBoxCacheMax)) { |
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|
1804 FLAG_SET_DEFAULT(AutoBoxCacheMax, 20000); |
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|
1805 } |
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|
1806 |
ff5961f4c095
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|
1807 // Feed the cache size setting into the JDK |
ff5961f4c095
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|
1808 char buffer[1024]; |
513
2328d1d3f8cf
6781583: Hotspot build fails on linux 64 bit platform with gcc 4.3.2
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diff
changeset
|
1809 sprintf(buffer, "java.lang.Integer.IntegerCache.high=" INTX_FORMAT, AutoBoxCacheMax); |
17
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|
1810 add_property(buffer); |
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|
1811 } |
416
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|
1812 if (AggressiveOpts && FLAG_IS_DEFAULT(BiasedLockingStartupDelay)) { |
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6649622: HotSpot Biased locking needs tuning on latest CPUs
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|
1813 FLAG_SET_DEFAULT(BiasedLockingStartupDelay, 500); |
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|
1814 } |
17
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|
1815 #endif |
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|
1816 |
0 | 1817 if (AggressiveOpts) { |
61 | 1818 // Sample flag setting code |
1819 // if (FLAG_IS_DEFAULT(EliminateZeroing)) { | |
1820 // FLAG_SET_DEFAULT(EliminateZeroing, true); | |
1821 // } | |
0 | 1822 } |
1823 } | |
1824 | |
1825 //=========================================================================================================== | |
1826 // Parsing of java.compiler property | |
1827 | |
1828 void Arguments::process_java_compiler_argument(char* arg) { | |
1829 // For backwards compatibility, Djava.compiler=NONE or "" | |
1830 // causes us to switch to -Xint mode UNLESS -Xdebug | |
1831 // is also specified. | |
1832 if (strlen(arg) == 0 || strcasecmp(arg, "NONE") == 0) { | |
1833 set_java_compiler(true); // "-Djava.compiler[=...]" most recently seen. | |
1834 } | |
1835 } | |
1836 | |
1837 void Arguments::process_java_launcher_argument(const char* launcher, void* extra_info) { | |
1838 _sun_java_launcher = strdup(launcher); | |
2302
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|
1839 if (strcmp("gamma", _sun_java_launcher) == 0) { |
da091bb67459
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|
1840 _created_by_gamma_launcher = true; |
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|
1841 } |
0 | 1842 } |
1843 | |
1844 bool Arguments::created_by_java_launcher() { | |
1845 assert(_sun_java_launcher != NULL, "property must have value"); | |
1846 return strcmp(DEFAULT_JAVA_LAUNCHER, _sun_java_launcher) != 0; | |
1847 } | |
1848 | |
2302
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|
1849 bool Arguments::created_by_gamma_launcher() { |
da091bb67459
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|
1850 return _created_by_gamma_launcher; |
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|
1851 } |
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|
1852 |
0 | 1853 //=========================================================================================================== |
1854 // Parsing of main arguments | |
1855 | |
1244
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|
1856 bool Arguments::verify_interval(uintx val, uintx min, |
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|
1857 uintx max, const char* name) { |
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|
1858 // Returns true iff value is in the inclusive interval [min..max] |
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|
1859 // false, otherwise. |
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|
1860 if (val >= min && val <= max) { |
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|
1861 return true; |
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|
1862 } |
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|
1863 jio_fprintf(defaultStream::error_stream(), |
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|
1864 "%s of " UINTX_FORMAT " is invalid; must be between " UINTX_FORMAT |
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|
1865 " and " UINTX_FORMAT "\n", |
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diff
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|
1866 name, val, min, max); |
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|
1867 return false; |
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|
1868 } |
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|
1869 |
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|
1870 bool Arguments::verify_min_value(intx val, intx min, const char* name) { |
2366
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|
1871 // Returns true if given value is at least specified min threshold |
1744
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|
1872 // false, otherwise. |
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|
1873 if (val >= min ) { |
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1874 return true; |
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1875 } |
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1876 jio_fprintf(defaultStream::error_stream(), |
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1877 "%s of " INTX_FORMAT " is invalid; must be at least " INTX_FORMAT "\n", |
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1878 name, val, min); |
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1879 return false; |
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1880 } |
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1881 |
0 | 1882 bool Arguments::verify_percentage(uintx value, const char* name) { |
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1883 if (is_percentage(value)) { |
0 | 1884 return true; |
1885 } | |
1886 jio_fprintf(defaultStream::error_stream(), | |
1887 "%s of " UINTX_FORMAT " is invalid; must be between 0 and 100\n", | |
1888 name, value); | |
1889 return false; | |
1890 } | |
1891 | |
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1892 #if !INCLUDE_ALL_GCS |
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1893 #ifdef ASSERT |
0 | 1894 static bool verify_serial_gc_flags() { |
1895 return (UseSerialGC && | |
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1896 !(UseParNewGC || (UseConcMarkSweepGC || CMSIncrementalMode) || UseG1GC || |
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1897 UseParallelGC || UseParallelOldGC)); |
0 | 1898 } |
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1899 #endif // ASSERT |
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1900 #endif // INCLUDE_ALL_GCS |
0 | 1901 |
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1902 // check if do gclog rotation |
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1903 // +UseGCLogFileRotation is a must, |
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1904 // no gc log rotation when log file not supplied or |
17827 | 1905 // NumberOfGCLogFiles is 0 |
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1906 void check_gclog_consistency() { |
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1907 if (UseGCLogFileRotation) { |
17827 | 1908 if ((Arguments::gc_log_filename() == NULL) || (NumberOfGCLogFiles == 0)) { |
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1909 jio_fprintf(defaultStream::output_stream(), |
17827 | 1910 "To enable GC log rotation, use -Xloggc:<filename> -XX:+UseGCLogFileRotation -XX:NumberOfGCLogFiles=<num_of_files>\n" |
1911 "where num_of_file > 0\n" | |
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1912 "GC log rotation is turned off\n"); |
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1913 UseGCLogFileRotation = false; |
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1914 } |
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1915 } |
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1916 |
17827 | 1917 if (UseGCLogFileRotation && (GCLogFileSize != 0) && (GCLogFileSize < 8*K)) { |
1918 FLAG_SET_CMDLINE(uintx, GCLogFileSize, 8*K); | |
1919 jio_fprintf(defaultStream::output_stream(), | |
1920 "GCLogFileSize changed to minimum 8K\n"); | |
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1921 } |
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1922 } |
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1923 |
12215 | 1924 // This function is called for -Xloggc:<filename>, it can be used |
1925 // to check if a given file name(or string) conforms to the following | |
1926 // specification: | |
1927 // A valid string only contains "[A-Z][a-z][0-9].-_%[p|t]" | |
1928 // %p and %t only allowed once. We only limit usage of filename not path | |
1929 bool is_filename_valid(const char *file_name) { | |
1930 const char* p = file_name; | |
1931 char file_sep = os::file_separator()[0]; | |
1932 const char* cp; | |
1933 // skip prefix path | |
1934 for (cp = file_name; *cp != '\0'; cp++) { | |
1935 if (*cp == '/' || *cp == file_sep) { | |
1936 p = cp + 1; | |
1937 } | |
1938 } | |
1939 | |
1940 int count_p = 0; | |
1941 int count_t = 0; | |
1942 while (*p != '\0') { | |
1943 if ((*p >= '0' && *p <= '9') || | |
1944 (*p >= 'A' && *p <= 'Z') || | |
1945 (*p >= 'a' && *p <= 'z') || | |
1946 *p == '-' || | |
1947 *p == '_' || | |
1948 *p == '.') { | |
1949 p++; | |
1950 continue; | |
1951 } | |
1952 if (*p == '%') { | |
1953 if(*(p + 1) == 'p') { | |
1954 p += 2; | |
1955 count_p ++; | |
1956 continue; | |
1957 } | |
1958 if (*(p + 1) == 't') { | |
1959 p += 2; | |
1960 count_t ++; | |
1961 continue; | |
1962 } | |
1963 } | |
1964 return false; | |
1965 } | |
1966 return count_p < 2 && count_t < 2; | |
1967 } | |
1968 | |
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1969 bool Arguments::verify_MinHeapFreeRatio(FormatBuffer<80>& err_msg, uintx min_heap_free_ratio) { |
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1970 if (!is_percentage(min_heap_free_ratio)) { |
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1971 err_msg.print("MinHeapFreeRatio must have a value between 0 and 100"); |
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1972 return false; |
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1973 } |
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1974 if (min_heap_free_ratio > MaxHeapFreeRatio) { |
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1975 err_msg.print("MinHeapFreeRatio (" UINTX_FORMAT ") must be less than or " |
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1976 "equal to MaxHeapFreeRatio (" UINTX_FORMAT ")", min_heap_free_ratio, |
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1977 MaxHeapFreeRatio); |
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1978 return false; |
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1979 } |
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1980 // This does not set the flag itself, but stores the value in a safe place for later usage. |
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1981 _min_heap_free_ratio = min_heap_free_ratio; |
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1982 return true; |
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1983 } |
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1984 |
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1985 bool Arguments::verify_MaxHeapFreeRatio(FormatBuffer<80>& err_msg, uintx max_heap_free_ratio) { |
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1986 if (!is_percentage(max_heap_free_ratio)) { |
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1987 err_msg.print("MaxHeapFreeRatio must have a value between 0 and 100"); |
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1988 return false; |
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1989 } |
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1990 if (max_heap_free_ratio < MinHeapFreeRatio) { |
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1991 err_msg.print("MaxHeapFreeRatio (" UINTX_FORMAT ") must be greater than or " |
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1992 "equal to MinHeapFreeRatio (" UINTX_FORMAT ")", max_heap_free_ratio, |
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1993 MinHeapFreeRatio); |
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1994 return false; |
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1995 } |
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1996 // This does not set the flag itself, but stores the value in a safe place for later usage. |
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1997 _max_heap_free_ratio = max_heap_free_ratio; |
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1998 return true; |
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1999 } |
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2000 |
10
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2001 // Check consistency of GC selection |
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2002 bool Arguments::check_gc_consistency() { |
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2003 check_gclog_consistency(); |
10
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2004 bool status = true; |
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2005 // Ensure that the user has not selected conflicting sets |
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2006 // of collectors. [Note: this check is merely a user convenience; |
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2007 // collectors over-ride each other so that only a non-conflicting |
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2008 // set is selected; however what the user gets is not what they |
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2009 // may have expected from the combination they asked for. It's |
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2010 // better to reduce user confusion by not allowing them to |
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2011 // select conflicting combinations. |
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2012 uint i = 0; |
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2013 if (UseSerialGC) i++; |
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2014 if (UseConcMarkSweepGC || UseParNewGC) i++; |
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2015 if (UseParallelGC || UseParallelOldGC) i++; |
845
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2016 if (UseG1GC) i++; |
10
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2017 if (i > 1) { |
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2018 jio_fprintf(defaultStream::error_stream(), |
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2019 "Conflicting collector combinations in option list; " |
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2020 "please refer to the release notes for the combinations " |
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2021 "allowed\n"); |
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2022 status = false; |
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2023 } |
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2024 return status; |
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2025 } |
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2026 |
7452
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2027 void Arguments::check_deprecated_gcs() { |
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2028 if (UseConcMarkSweepGC && !UseParNewGC) { |
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2029 warning("Using the DefNew young collector with the CMS collector is deprecated " |
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2030 "and will likely be removed in a future release"); |
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2031 } |
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2032 |
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2033 if (UseParNewGC && !UseConcMarkSweepGC) { |
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2034 // !UseConcMarkSweepGC means that we are using serial old gc. Unfortunately we don't |
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2035 // set up UseSerialGC properly, so that can't be used in the check here. |
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2036 warning("Using the ParNew young collector with the Serial old collector is deprecated " |
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2037 "and will likely be removed in a future release"); |
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2038 } |
7453 | 2039 |
2040 if (CMSIncrementalMode) { | |
2041 warning("Using incremental CMS is deprecated and will likely be removed in a future release"); | |
2042 } | |
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2043 } |
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2044 |
8734 | 2045 void Arguments::check_deprecated_gc_flags() { |
2046 if (FLAG_IS_CMDLINE(MaxGCMinorPauseMillis)) { | |
2047 warning("Using MaxGCMinorPauseMillis as minor pause goal is deprecated" | |
2048 "and will likely be removed in future release"); | |
2049 } | |
11977 | 2050 if (FLAG_IS_CMDLINE(DefaultMaxRAMFraction)) { |
2051 warning("DefaultMaxRAMFraction is deprecated and will likely be removed in a future release. " | |
2052 "Use MaxRAMFraction instead."); | |
2053 } | |
13008
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2054 if (FLAG_IS_CMDLINE(UseCMSCompactAtFullCollection)) { |
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2055 warning("UseCMSCompactAtFullCollection is deprecated and will likely be removed in a future release."); |
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2056 } |
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2057 if (FLAG_IS_CMDLINE(CMSFullGCsBeforeCompaction)) { |
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2058 warning("CMSFullGCsBeforeCompaction is deprecated and will likely be removed in a future release."); |
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2059 } |
3b3133d93fb6
8027132: Print deprecation warning message for the flags controlling the CMS foreground collector
brutisso
parents:
12976
diff
changeset
|
2060 if (FLAG_IS_CMDLINE(UseCMSCollectionPassing)) { |
3b3133d93fb6
8027132: Print deprecation warning message for the flags controlling the CMS foreground collector
brutisso
parents:
12976
diff
changeset
|
2061 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
|
2062 } |
8734 | 2063 } |
2064 | |
1744
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
2065 // Check stack pages settings |
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
2066 bool Arguments::check_stack_pages() |
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
2067 { |
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
2068 bool status = true; |
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
2069 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
|
2070 status = status && verify_min_value(StackRedPages, 1, "StackRedPages"); |
1867
b6aedd1acdc0
6983240: guarantee((Solaris::min_stack_allowed >= (StackYellowPages+StackRedPages...) wrong
coleenp
parents:
1864
diff
changeset
|
2071 // 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
|
2072 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
|
2073 return status; |
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
2074 } |
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
2075 |
0 | 2076 // Check the consistency of vm_init_args |
2077 bool Arguments::check_vm_args_consistency() { | |
2078 // Method for adding checks for flag consistency. | |
2079 // The intent is to warn the user of all possible conflicts, | |
2080 // before returning an error. | |
2081 // Note: Needs platform-dependent factoring. | |
2082 bool status = true; | |
2083 | |
2084 // Allow both -XX:-UseStackBanging and -XX:-UseBoundThreads in non-product | |
2085 // builds so the cost of stack banging can be measured. | |
2086 #if (defined(PRODUCT) && defined(SOLARIS)) | |
2087 if (!UseBoundThreads && !UseStackBanging) { | |
2088 jio_fprintf(defaultStream::error_stream(), | |
2089 "-UseStackBanging conflicts with -UseBoundThreads\n"); | |
2090 | |
2091 status = false; | |
2092 } | |
2093 #endif | |
2094 | |
2095 if (TLABRefillWasteFraction == 0) { | |
2096 jio_fprintf(defaultStream::error_stream(), | |
2097 "TLABRefillWasteFraction should be a denominator, " | |
2098 "not " SIZE_FORMAT "\n", | |
2099 TLABRefillWasteFraction); | |
2100 status = false; | |
2101 } | |
2102 | |
10287
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2103 status = status && verify_interval(AdaptiveSizePolicyWeight, 0, 100, |
0 | 2104 "AdaptiveSizePolicyWeight"); |
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2105 status = status && verify_percentage(ThresholdTolerance, "ThresholdTolerance"); |
0 | 2106 |
6982
e4f764ddb06a
7122219: Passed StringTableSize value not verified
hseigel
parents:
6928
diff
changeset
|
2107 // 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
|
2108 // 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
|
2109 status = status && verify_interval(StringTableSize, minimumStringTableSize, |
6982
e4f764ddb06a
7122219: Passed StringTableSize value not verified
hseigel
parents:
6928
diff
changeset
|
2110 (max_uintx / StringTable::bucket_size()), "StringTable size"); |
e4f764ddb06a
7122219: Passed StringTableSize value not verified
hseigel
parents:
6928
diff
changeset
|
2111 |
12825
c90e76575b03
8019375: Internal symbol table size should be tunable.
kevinw
parents:
12326
diff
changeset
|
2112 status = status && verify_interval(SymbolTableSize, minimumSymbolTableSize, |
c90e76575b03
8019375: Internal symbol table size should be tunable.
kevinw
parents:
12326
diff
changeset
|
2113 (max_uintx / SymbolTable::bucket_size()), "SymbolTable size"); |
c90e76575b03
8019375: Internal symbol table size should be tunable.
kevinw
parents:
12326
diff
changeset
|
2114 |
17648
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
2115 { |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
2116 // Using "else if" below to avoid printing two error messages if min > max. |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
2117 // This will also prevent us from reporting both min>100 and max>100 at the |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
2118 // 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
|
2119 FormatBuffer<80> err_msg("%s",""); |
17648
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
2120 if (!verify_MinHeapFreeRatio(err_msg, MinHeapFreeRatio)) { |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
2121 jio_fprintf(defaultStream::error_stream(), "%s\n", err_msg.buffer()); |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
2122 status = false; |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
2123 } else if (!verify_MaxHeapFreeRatio(err_msg, MaxHeapFreeRatio)) { |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
2124 jio_fprintf(defaultStream::error_stream(), "%s\n", err_msg.buffer()); |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
2125 status = false; |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
2126 } |
0 | 2127 } |
2128 | |
8040
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2129 // Min/MaxMetaspaceFreeRatio |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2130 status = status && verify_percentage(MinMetaspaceFreeRatio, "MinMetaspaceFreeRatio"); |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2131 status = status && verify_percentage(MaxMetaspaceFreeRatio, "MaxMetaspaceFreeRatio"); |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2132 |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2133 if (MinMetaspaceFreeRatio > MaxMetaspaceFreeRatio) { |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2134 jio_fprintf(defaultStream::error_stream(), |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2135 "MinMetaspaceFreeRatio (%s" UINTX_FORMAT ") must be less than or " |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2136 "equal to MaxMetaspaceFreeRatio (%s" UINTX_FORMAT ")\n", |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2137 FLAG_IS_DEFAULT(MinMetaspaceFreeRatio) ? "Default: " : "", |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2138 MinMetaspaceFreeRatio, |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2139 FLAG_IS_DEFAULT(MaxMetaspaceFreeRatio) ? "Default: " : "", |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2140 MaxMetaspaceFreeRatio); |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2141 status = false; |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2142 } |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2143 |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2144 // Trying to keep 100% free is not practical |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2145 MinMetaspaceFreeRatio = MIN2(MinMetaspaceFreeRatio, (uintx) 99); |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2146 |
0 | 2147 if (FullGCALot && FLAG_IS_DEFAULT(MarkSweepAlwaysCompactCount)) { |
2148 MarkSweepAlwaysCompactCount = 1; // Move objects every gc. | |
2149 } | |
2150 | |
483
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2151 if (UseParallelOldGC && ParallelOldGCSplitALot) { |
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2152 // Settings to encourage splitting. |
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2153 if (!FLAG_IS_CMDLINE(NewRatio)) { |
8035 | 2154 FLAG_SET_CMDLINE(uintx, NewRatio, 2); |
483
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2155 } |
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2156 if (!FLAG_IS_CMDLINE(ScavengeBeforeFullGC)) { |
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2157 FLAG_SET_CMDLINE(bool, ScavengeBeforeFullGC, false); |
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2158 } |
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2159 } |
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2160 |
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2161 status = status && verify_percentage(GCHeapFreeLimit, "GCHeapFreeLimit"); |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2162 status = status && verify_percentage(GCTimeLimit, "GCTimeLimit"); |
0 | 2163 if (GCTimeLimit == 100) { |
2164 // Turn off gc-overhead-limit-exceeded checks | |
2165 FLAG_SET_DEFAULT(UseGCOverheadLimit, false); | |
2166 } | |
2167 | |
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2168 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
|
2169 status = status && check_stack_pages(); |
0 | 2170 |
2171 if (CMSIncrementalMode) { | |
2172 if (!UseConcMarkSweepGC) { | |
2173 jio_fprintf(defaultStream::error_stream(), | |
2174 "error: invalid argument combination.\n" | |
2175 "The CMS collector (-XX:+UseConcMarkSweepGC) must be " | |
2176 "selected in order\nto use CMSIncrementalMode.\n"); | |
2177 status = false; | |
2178 } else { | |
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2179 status = status && verify_percentage(CMSIncrementalDutyCycle, |
0 | 2180 "CMSIncrementalDutyCycle"); |
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2181 status = status && verify_percentage(CMSIncrementalDutyCycleMin, |
0 | 2182 "CMSIncrementalDutyCycleMin"); |
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2183 status = status && verify_percentage(CMSIncrementalSafetyFactor, |
0 | 2184 "CMSIncrementalSafetyFactor"); |
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2185 status = status && verify_percentage(CMSIncrementalOffset, |
0 | 2186 "CMSIncrementalOffset"); |
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2187 status = status && verify_percentage(CMSExpAvgFactor, |
0 | 2188 "CMSExpAvgFactor"); |
2189 // If it was not set on the command line, set | |
2190 // CMSInitiatingOccupancyFraction to 1 so icms can initiate cycles early. | |
2191 if (CMSInitiatingOccupancyFraction < 0) { | |
2192 FLAG_SET_DEFAULT(CMSInitiatingOccupancyFraction, 1); | |
2193 } | |
2194 } | |
2195 } | |
2196 | |
2197 // CMS space iteration, which FLSVerifyAllHeapreferences entails, | |
2198 // insists that we hold the requisite locks so that the iteration is | |
2199 // MT-safe. For the verification at start-up and shut-down, we don't | |
2200 // yet have a good way of acquiring and releasing these locks, | |
2201 // which are not visible at the CollectedHeap level. We want to | |
2202 // be able to acquire these locks and then do the iteration rather | |
2203 // than just disable the lock verification. This will be fixed under | |
2204 // bug 4788986. | |
2205 if (UseConcMarkSweepGC && FLSVerifyAllHeapReferences) { | |
9071
68fe50d4f1d5
8011343: Add new flag for verifying the heap during startup
johnc
parents:
8859
diff
changeset
|
2206 if (VerifyDuringStartup) { |
0 | 2207 warning("Heap verification at start-up disabled " |
2208 "(due to current incompatibility with FLSVerifyAllHeapReferences)"); | |
9071
68fe50d4f1d5
8011343: Add new flag for verifying the heap during startup
johnc
parents:
8859
diff
changeset
|
2209 VerifyDuringStartup = false; // Disable verification at start-up |
0 | 2210 } |
9071
68fe50d4f1d5
8011343: Add new flag for verifying the heap during startup
johnc
parents:
8859
diff
changeset
|
2211 |
0 | 2212 if (VerifyBeforeExit) { |
2213 warning("Heap verification at shutdown disabled " | |
2214 "(due to current incompatibility with FLSVerifyAllHeapReferences)"); | |
2215 VerifyBeforeExit = false; // Disable verification at shutdown | |
2216 } | |
2217 } | |
2218 | |
2219 // Note: only executed in non-PRODUCT mode | |
2220 if (!UseAsyncConcMarkSweepGC && | |
2221 (ExplicitGCInvokesConcurrent || | |
2222 ExplicitGCInvokesConcurrentAndUnloadsClasses)) { | |
2223 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
|
2224 "error: +ExplicitGCInvokesConcurrent[AndUnloadsClasses] conflicts" |
0 | 2225 " with -UseAsyncConcMarkSweepGC"); |
2226 status = false; | |
2227 } | |
2228 | |
2366
1fb790245268
6820066: Check that -XX:ParGCArrayScanChunk has a value larger than zero.
jwilhelm
parents:
2362
diff
changeset
|
2229 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
|
2230 |
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
2231 #if INCLUDE_ALL_GCS |
1283
1c72304f1885
6928073: G1: use existing command line parameters for marking cycle initiation
tonyp
parents:
1257
diff
changeset
|
2232 if (UseG1GC) { |
13060
8f07aa079343
8016309: assert(eden_size > 0 && survivor_size > 0) failed: just checking
jwilhelm
parents:
13059
diff
changeset
|
2233 status = status && verify_percentage(G1NewSizePercent, "G1NewSizePercent"); |
8f07aa079343
8016309: assert(eden_size > 0 && survivor_size > 0) failed: just checking
jwilhelm
parents:
13059
diff
changeset
|
2234 status = status && verify_percentage(G1MaxNewSizePercent, "G1MaxNewSizePercent"); |
8f07aa079343
8016309: assert(eden_size > 0 && survivor_size > 0) failed: just checking
jwilhelm
parents:
13059
diff
changeset
|
2235 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
|
2236 |
1283
1c72304f1885
6928073: G1: use existing command line parameters for marking cycle initiation
tonyp
parents:
1257
diff
changeset
|
2237 status = status && verify_percentage(InitiatingHeapOccupancyPercent, |
1c72304f1885
6928073: G1: use existing command line parameters for marking cycle initiation
tonyp
parents:
1257
diff
changeset
|
2238 "InitiatingHeapOccupancyPercent"); |
2174
234761c55641
6608385: G1: need to support parallel reference processing
johnc
parents:
2129
diff
changeset
|
2239 status = status && verify_min_value(G1RefProcDrainInterval, 1, |
234761c55641
6608385: G1: need to support parallel reference processing
johnc
parents:
2129
diff
changeset
|
2240 "G1RefProcDrainInterval"); |
234761c55641
6608385: G1: need to support parallel reference processing
johnc
parents:
2129
diff
changeset
|
2241 status = status && verify_min_value((intx)G1ConcMarkStepDurationMillis, 1, |
234761c55641
6608385: G1: need to support parallel reference processing
johnc
parents:
2129
diff
changeset
|
2242 "G1ConcMarkStepDurationMillis"); |
10246
194f52aa2f23
7176479: G1: JVM crashes on T5-8 system with 1.5 TB heap
johnc
parents:
10241
diff
changeset
|
2243 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
|
2244 "G1ConcRSHotCardLimit"); |
194f52aa2f23
7176479: G1: JVM crashes on T5-8 system with 1.5 TB heap
johnc
parents:
10241
diff
changeset
|
2245 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
|
2246 "G1ConcRSLogCacheSize"); |
17764 | 2247 status = status && verify_interval(StringDeduplicationAgeThreshold, 1, markOopDesc::max_age, |
2248 "StringDeduplicationAgeThreshold"); | |
1283
1c72304f1885
6928073: G1: use existing command line parameters for marking cycle initiation
tonyp
parents:
1257
diff
changeset
|
2249 } |
10287
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
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diff
changeset
|
2250 if (UseConcMarkSweepGC) { |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2251 status = status && verify_min_value(CMSOldPLABNumRefills, 1, "CMSOldPLABNumRefills"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2252 status = status && verify_min_value(CMSOldPLABToleranceFactor, 1, "CMSOldPLABToleranceFactor"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2253 status = status && verify_min_value(CMSOldPLABMax, 1, "CMSOldPLABMax"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2254 status = status && verify_interval(CMSOldPLABMin, 1, CMSOldPLABMax, "CMSOldPLABMin"); |
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_min_value(CMSYoungGenPerWorker, 1, "CMSYoungGenPerWorker"); |
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(CMSSamplingGrain, 1, "CMSSamplingGrain"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2259 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
|
2260 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
|
2261 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2262 status = status && verify_interval(FLSCoalescePolicy, 0, 4, "FLSCoalescePolicy"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2263 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2264 status = status && verify_min_value(CMSRescanMultiple, 1, "CMSRescanMultiple"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2265 status = status && verify_min_value(CMSConcMarkMultiple, 1, "CMSConcMarkMultiple"); |
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_interval(CMSPrecleanIter, 0, 9, "CMSPrecleanIter"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2268 status = status && verify_min_value(CMSPrecleanDenominator, 1, "CMSPrecleanDenominator"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2269 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
|
2270 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2271 status = status && verify_percentage(CMSBootstrapOccupancy, "CMSBootstrapOccupancy"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2272 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2273 status = status && verify_min_value(CMSPrecleanThreshold, 100, "CMSPrecleanThreshold"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2274 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2275 status = status && verify_percentage(CMSScheduleRemarkEdenPenetration, "CMSScheduleRemarkEdenPenetration"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2276 status = status && verify_min_value(CMSScheduleRemarkSamplingRatio, 1, "CMSScheduleRemarkSamplingRatio"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2277 status = status && verify_min_value(CMSBitMapYieldQuantum, 1, "CMSBitMapYieldQuantum"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2278 status = status && verify_percentage(CMSTriggerRatio, "CMSTriggerRatio"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2279 status = status && verify_percentage(CMSIsTooFullPercentage, "CMSIsTooFullPercentage"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2280 } |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2281 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2282 if (UseParallelGC || UseParallelOldGC) { |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2283 status = status && verify_interval(ParallelOldDeadWoodLimiterMean, 0, 100, "ParallelOldDeadWoodLimiterMean"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2284 status = status && verify_interval(ParallelOldDeadWoodLimiterStdDev, 0, 100, "ParallelOldDeadWoodLimiterStdDev"); |
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_percentage(YoungGenerationSizeIncrement, "YoungGenerationSizeIncrement"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2287 status = status && verify_percentage(TenuredGenerationSizeIncrement, "TenuredGenerationSizeIncrement"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2288 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2289 status = status && verify_min_value(YoungGenerationSizeSupplementDecay, 1, "YoungGenerationSizeSupplementDecay"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2290 status = status && verify_min_value(TenuredGenerationSizeSupplementDecay, 1, "TenuredGenerationSizeSupplementDecay"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2291 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2292 status = status && verify_min_value(ParGCCardsPerStrideChunk, 1, "ParGCCardsPerStrideChunk"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2293 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2294 status = status && verify_min_value(ParallelOldGCSplitInterval, 0, "ParallelOldGCSplitInterval"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2295 } |
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
2296 #endif // INCLUDE_ALL_GCS |
1283
1c72304f1885
6928073: G1: use existing command line parameters for marking cycle initiation
tonyp
parents:
1257
diff
changeset
|
2297 |
1244
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2298 status = status && verify_interval(RefDiscoveryPolicy, |
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2299 ReferenceProcessor::DiscoveryPolicyMin, |
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2300 ReferenceProcessor::DiscoveryPolicyMax, |
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2301 "RefDiscoveryPolicy"); |
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2302 |
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2303 // 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
|
2304 // expression. |
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2305 status = status && verify_interval(TLABWasteTargetPercent, |
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2306 1, 100, "TLABWasteTargetPercent"); |
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2307 |
1571
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
2308 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
|
2309 |
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
2310 status = status && verify_interval(CompressedClassSpaceSize, 1*M, 3*G, |
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
2311 "CompressedClassSpaceSize"); |
6736
11fb740ce98f
7196103: NPG: Unable to allocate bit map for parallel garbage collection for the requested heap size
coleenp
parents:
6725
diff
changeset
|
2312 |
7397
442f942757c0
8000244: G1: Ergonomically set MarkStackSize and use virtual space for global marking stack
johnc
parents:
7177
diff
changeset
|
2313 status = status && verify_interval(MarkStackSizeMax, |
442f942757c0
8000244: G1: Ergonomically set MarkStackSize and use virtual space for global marking stack
johnc
parents:
7177
diff
changeset
|
2314 1, (max_jint - 1), "MarkStackSizeMax"); |
10287
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2315 status = status && verify_interval(NUMAChunkResizeWeight, 0, 100, "NUMAChunkResizeWeight"); |
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_min_value(LogEventsBufferEntries, 1, "LogEventsBufferEntries"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2318 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2319 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
|
2320 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2321 status = status && verify_min_value(GCTaskTimeStampEntries, 1, "GCTaskTimeStampEntries"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2322 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2323 status = status && verify_percentage(ParallelGCBufferWastePct, "ParallelGCBufferWastePct"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2324 status = status && verify_interval(TargetPLABWastePct, 1, 100, "TargetPLABWastePct"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2325 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2326 status = status && verify_min_value(ParGCStridesPerThread, 1, "ParGCStridesPerThread"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2327 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2328 status = status && verify_min_value(MinRAMFraction, 1, "MinRAMFraction"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2329 status = status && verify_min_value(InitialRAMFraction, 1, "InitialRAMFraction"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2330 status = status && verify_min_value(MaxRAMFraction, 1, "MaxRAMFraction"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2331 status = status && verify_min_value(DefaultMaxRAMFraction, 1, "DefaultMaxRAMFraction"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2332 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2333 status = status && verify_interval(AdaptiveTimeWeight, 0, 100, "AdaptiveTimeWeight"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2334 status = status && verify_min_value(AdaptiveSizeDecrementScaleFactor, 1, "AdaptiveSizeDecrementScaleFactor"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2335 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2336 status = status && verify_interval(TLABAllocationWeight, 0, 100, "TLABAllocationWeight"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2337 status = status && verify_min_value(MinTLABSize, 1, "MinTLABSize"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2338 status = status && verify_min_value(TLABRefillWasteFraction, 1, "TLABRefillWasteFraction"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2339 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2340 status = status && verify_percentage(YoungGenerationSizeSupplement, "YoungGenerationSizeSupplement"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2341 status = status && verify_percentage(TenuredGenerationSizeSupplement, "TenuredGenerationSizeSupplement"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2342 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2343 // 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
|
2344 // just for that, so hardcode here. |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2345 status = status && verify_interval(MaxTenuringThreshold, 0, 15, "MaxTenuringThreshold"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2346 status = status && verify_interval(InitialTenuringThreshold, 0, MaxTenuringThreshold, "MaxTenuringThreshold"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2347 status = status && verify_percentage(TargetSurvivorRatio, "TargetSurvivorRatio"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2348 status = status && verify_percentage(MarkSweepDeadRatio, "MarkSweepDeadRatio"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2349 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2350 status = status && verify_min_value(MarkSweepAlwaysCompactCount, 1, "MarkSweepAlwaysCompactCount"); |
6755
bc675e55b48c
7193946: Move warnings associated with UseMemSetInBOT flag
johnc
parents:
6736
diff
changeset
|
2351 |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2352 if (PrintNMTStatistics) { |
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2353 #if INCLUDE_NMT |
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2354 if (MemTracker::tracking_level() == MemTracker::NMT_off) { |
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2355 #endif // INCLUDE_NMT |
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2356 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
|
2357 PrintNMTStatistics = false; |
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2358 #if INCLUDE_NMT |
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2359 } |
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2360 #endif |
6770
9a86ddfc6c8f
7188594: Print statistic collected by NMT with VM flag
zgu
parents:
6736
diff
changeset
|
2361 } |
9a86ddfc6c8f
7188594: Print statistic collected by NMT with VM flag
zgu
parents:
6736
diff
changeset
|
2362 |
10260
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2363 // Need to limit the extent of the padding to reasonable size. |
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2364 // 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
|
2365 // aggressive prefetching, while still leaving the room for segregating |
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2366 // among the distinct pages. |
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2367 if (ContendedPaddingWidth < 0 || ContendedPaddingWidth > 8192) { |
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2368 jio_fprintf(defaultStream::error_stream(), |
12129 | 2369 "ContendedPaddingWidth=" INTX_FORMAT " must be in between %d and %d\n", |
10260
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2370 ContendedPaddingWidth, 0, 8192); |
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2371 status = false; |
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2372 } |
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2373 |
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2374 // Need to enforce the padding not to break the existing field alignments. |
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2375 // It is sufficient to check against the largest type size. |
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2376 if ((ContendedPaddingWidth % BytesPerLong) != 0) { |
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2377 jio_fprintf(defaultStream::error_stream(), |
12129 | 2378 "ContendedPaddingWidth=" INTX_FORMAT " must be a multiple of %d\n", |
10260
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2379 ContendedPaddingWidth, BytesPerLong); |
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2380 status = false; |
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2381 } |
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2382 |
11079
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2383 // 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
|
2384 // 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
|
2385 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
|
2386 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
|
2387 jio_fprintf(defaultStream::error_stream(), |
11079
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2388 "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
|
2389 os::vm_page_size()/K); |
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2390 status = false; |
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2391 } else if (ReservedCodeCacheSize < InitialCodeCacheSize) { |
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2392 jio_fprintf(defaultStream::error_stream(), |
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2393 "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
|
2394 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
|
2395 status = false; |
11079
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2396 } 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
|
2397 jio_fprintf(defaultStream::error_stream(), |
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2398 "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
|
2399 min_code_cache_size/K); |
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2400 status = false; |
11109
7ac80525ece9
8015635: Crash when specifying very large code cache size
anoll
parents:
11083
diff
changeset
|
2401 } else if (ReservedCodeCacheSize > 2*G) { |
7ac80525ece9
8015635: Crash when specifying very large code cache size
anoll
parents:
11083
diff
changeset
|
2402 // Code cache size larger than MAXINT is not supported. |
7ac80525ece9
8015635: Crash when specifying very large code cache size
anoll
parents:
11083
diff
changeset
|
2403 jio_fprintf(defaultStream::error_stream(), |
7ac80525ece9
8015635: Crash when specifying very large code cache size
anoll
parents:
11083
diff
changeset
|
2404 "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
|
2405 (2*G)/M); |
7ac80525ece9
8015635: Crash when specifying very large code cache size
anoll
parents:
11083
diff
changeset
|
2406 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
|
2407 } |
12324
510fbd28919c
8020151: PSR:PERF Large performance regressions when code cache is filled
anoll
parents:
12322
diff
changeset
|
2408 |
510fbd28919c
8020151: PSR:PERF Large performance regressions when code cache is filled
anoll
parents:
12322
diff
changeset
|
2409 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
|
2410 status &= verify_interval(NmethodSweepActivity, 0, 2000, "NmethodSweepActivity"); |
510fbd28919c
8020151: PSR:PERF Large performance regressions when code cache is filled
anoll
parents:
12322
diff
changeset
|
2411 |
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
|
2412 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
|
2413 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
|
2414 } |
7150b16fda52
8029436: CICompilerCount is not updated when the number of compiler threads is adjusted to the number of CPUs
anoll
parents:
17827
diff
changeset
|
2415 |
20237
99dbb9cd9521
8046715: Add a way to verify an extended set of command line options
jwilhelm
parents:
20220
diff
changeset
|
2416 status &= check_vm_args_consistency_ext(); |
99dbb9cd9521
8046715: Add a way to verify an extended set of command line options
jwilhelm
parents:
20220
diff
changeset
|
2417 |
0 | 2418 return status; |
2419 } | |
2420 | |
2421 bool Arguments::is_bad_option(const JavaVMOption* option, jboolean ignore, | |
2422 const char* option_type) { | |
2423 if (ignore) return false; | |
2424 | |
2425 const char* spacer = " "; | |
2426 if (option_type == NULL) { | |
2427 option_type = ++spacer; // Set both to the empty string. | |
2428 } | |
2429 | |
2430 if (os::obsolete_option(option)) { | |
2431 jio_fprintf(defaultStream::error_stream(), | |
2432 "Obsolete %s%soption: %s\n", option_type, spacer, | |
2433 option->optionString); | |
2434 return false; | |
2435 } else { | |
2436 jio_fprintf(defaultStream::error_stream(), | |
2437 "Unrecognized %s%soption: %s\n", option_type, spacer, | |
2438 option->optionString); | |
2439 return true; | |
2440 } | |
2441 } | |
2442 | |
2443 static const char* user_assertion_options[] = { | |
2444 "-da", "-ea", "-disableassertions", "-enableassertions", 0 | |
2445 }; | |
2446 | |
2447 static const char* system_assertion_options[] = { | |
2448 "-dsa", "-esa", "-disablesystemassertions", "-enablesystemassertions", 0 | |
2449 }; | |
2450 | |
2451 // Return true if any of the strings in null-terminated array 'names' matches. | |
2452 // If tail_allowed is true, then the tail must begin with a colon; otherwise, | |
2453 // the option must match exactly. | |
2454 static bool match_option(const JavaVMOption* option, const char** names, const char** tail, | |
2455 bool tail_allowed) { | |
2456 for (/* empty */; *names != NULL; ++names) { | |
2457 if (match_option(option, *names, tail)) { | |
2458 if (**tail == '\0' || tail_allowed && **tail == ':') { | |
2459 return true; | |
2460 } | |
2461 } | |
2462 } | |
2463 return false; | |
2464 } | |
2465 | |
1284 | 2466 bool Arguments::parse_uintx(const char* value, |
2467 uintx* uintx_arg, | |
2468 uintx min_size) { | |
2469 | |
2470 // Check the sign first since atomull() parses only unsigned values. | |
2471 bool value_is_positive = !(*value == '-'); | |
2472 | |
2473 if (value_is_positive) { | |
2474 julong n; | |
2475 bool good_return = atomull(value, &n); | |
2476 if (good_return) { | |
2477 bool above_minimum = n >= min_size; | |
2478 bool value_is_too_large = n > max_uintx; | |
2479 | |
2480 if (above_minimum && !value_is_too_large) { | |
2481 *uintx_arg = n; | |
2482 return true; | |
2483 } | |
2484 } | |
2485 } | |
2486 return false; | |
2487 } | |
2488 | |
0 | 2489 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
|
2490 julong* long_arg, |
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
2491 julong min_size) { |
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
2492 if (!atomull(s, long_arg)) return arg_unreadable; |
0 | 2493 return check_memory_size(*long_arg, min_size); |
2494 } | |
2495 | |
2496 // Parse JavaVMInitArgs structure | |
2497 | |
2498 jint Arguments::parse_vm_init_args(const JavaVMInitArgs* args) { | |
2499 // For components of the system classpath. | |
2500 SysClassPath scp(Arguments::get_sysclasspath()); | |
2501 bool scp_assembly_required = false; | |
2502 | |
2503 // Save default settings for some mode flags | |
2504 Arguments::_AlwaysCompileLoopMethods = AlwaysCompileLoopMethods; | |
2505 Arguments::_UseOnStackReplacement = UseOnStackReplacement; | |
2506 Arguments::_ClipInlining = ClipInlining; | |
2507 Arguments::_BackgroundCompilation = BackgroundCompilation; | |
2508 | |
3341
e9b8ef09622a
7041582: set_mode_flags isn't called without -Xmixed specified
never
parents:
3261
diff
changeset
|
2509 // Setup flags for mixed which is the default |
e9b8ef09622a
7041582: set_mode_flags isn't called without -Xmixed specified
never
parents:
3261
diff
changeset
|
2510 set_mode_flags(_mixed); |
e9b8ef09622a
7041582: set_mode_flags isn't called without -Xmixed specified
never
parents:
3261
diff
changeset
|
2511 |
0 | 2512 // Parse JAVA_TOOL_OPTIONS environment variable (if present) |
2513 jint result = parse_java_tool_options_environment_variable(&scp, &scp_assembly_required); | |
2514 if (result != JNI_OK) { | |
2515 return result; | |
2516 } | |
2517 | |
2518 // Parse JavaVMInitArgs structure passed in | |
12322
72b7e96c1922
8024545: make develop and notproduct flag values available in product builds
twisti
parents:
12269
diff
changeset
|
2519 result = parse_each_vm_init_arg(args, &scp, &scp_assembly_required, Flag::COMMAND_LINE); |
0 | 2520 if (result != JNI_OK) { |
2521 return result; | |
2522 } | |
2523 | |
2524 // Parse _JAVA_OPTIONS environment variable (if present) (mimics classic VM) | |
2525 result = parse_java_options_environment_variable(&scp, &scp_assembly_required); | |
2526 if (result != JNI_OK) { | |
2527 return result; | |
2528 } | |
2529 | |
2530 // Do final processing now that all arguments have been parsed | |
2531 result = finalize_vm_init_args(&scp, scp_assembly_required); | |
2532 if (result != JNI_OK) { | |
2533 return result; | |
2534 } | |
2535 | |
2536 return JNI_OK; | |
2537 } | |
2538 | |
10170
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2539 // 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
|
2540 // 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
|
2541 // 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
|
2542 // -agentlib |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2543 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
|
2544 char *_name; |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2545 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
|
2546 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
|
2547 |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2548 if (is_path) { |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2549 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
|
2550 return false; |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2551 } |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2552 |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2553 _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
|
2554 _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
|
2555 |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2556 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
|
2557 return false; |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2558 } |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2559 |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2560 _name += _len_prefix; |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2561 _len_hprof = strlen(_hprof); |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2562 _len_jdwp = strlen(_jdwp); |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2563 |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2564 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
|
2565 _name += _len_hprof; |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2566 } |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2567 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
|
2568 _name += _len_jdwp; |
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 else { |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2571 return false; |
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 |
3c0584fec1e6
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2574 if (strcmp(_name, JNI_LIB_SUFFIX) != 0) { |
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diff
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|
2575 return false; |
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diff
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|
2576 } |
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|
2577 |
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8010428: Special -agentpath checks needed with minimal VM to produce proper error message
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diff
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|
2578 return true; |
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diff
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|
2579 } |
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|
2580 |
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|
2581 if (strcmp(name, _hprof) == 0 || strcmp(name, _jdwp) == 0) { |
3c0584fec1e6
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changeset
|
2582 return true; |
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diff
changeset
|
2583 } |
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|
2584 |
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diff
changeset
|
2585 return false; |
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diff
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|
2586 } |
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|
2587 |
0 | 2588 jint Arguments::parse_each_vm_init_arg(const JavaVMInitArgs* args, |
2589 SysClassPath* scp_p, | |
2590 bool* scp_assembly_required_p, | |
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changeset
|
2591 Flag::Flags origin) { |
0 | 2592 // Remaining part of option string |
2593 const char* tail; | |
2594 | |
2595 // iterate over arguments | |
2596 for (int index = 0; index < args->nOptions; index++) { | |
2597 bool is_absolute_path = false; // for -agentpath vs -agentlib | |
2598 | |
2599 const JavaVMOption* option = args->options + index; | |
2600 | |
2601 if (!match_option(option, "-Djava.class.path", &tail) && | |
2602 !match_option(option, "-Dsun.java.command", &tail) && | |
2603 !match_option(option, "-Dsun.java.launcher", &tail)) { | |
2604 | |
2605 // add all jvm options to the jvm_args string. This string | |
2606 // is used later to set the java.vm.args PerfData string constant. | |
2607 // the -Djava.class.path and the -Dsun.java.command options are | |
2608 // omitted from jvm_args string as each have their own PerfData | |
2609 // string constant object. | |
2610 build_jvm_args(option->optionString); | |
2611 } | |
2612 | |
2613 // -verbose:[class/gc/jni] | |
2614 if (match_option(option, "-verbose", &tail)) { | |
2615 if (!strcmp(tail, ":class") || !strcmp(tail, "")) { | |
2616 FLAG_SET_CMDLINE(bool, TraceClassLoading, true); | |
2617 FLAG_SET_CMDLINE(bool, TraceClassUnloading, true); | |
2618 } else if (!strcmp(tail, ":gc")) { | |
2619 FLAG_SET_CMDLINE(bool, PrintGC, true); | |
2620 } else if (!strcmp(tail, ":jni")) { | |
2621 FLAG_SET_CMDLINE(bool, PrintJNIResolving, true); | |
2622 } | |
2623 // -da / -ea / -disableassertions / -enableassertions | |
2624 // These accept an optional class/package name separated by a colon, e.g., | |
2625 // -da:java.lang.Thread. | |
2626 } else if (match_option(option, user_assertion_options, &tail, true)) { | |
2627 bool enable = option->optionString[1] == 'e'; // char after '-' is 'e' | |
2628 if (*tail == '\0') { | |
2629 JavaAssertions::setUserClassDefault(enable); | |
2630 } else { | |
2631 assert(*tail == ':', "bogus match by match_option()"); | |
2632 JavaAssertions::addOption(tail + 1, enable); | |
2633 } | |
2634 // -dsa / -esa / -disablesystemassertions / -enablesystemassertions | |
2635 } else if (match_option(option, system_assertion_options, &tail, false)) { | |
2636 bool enable = option->optionString[1] == 'e'; // char after '-' is 'e' | |
2637 JavaAssertions::setSystemClassDefault(enable); | |
2638 // -bootclasspath: | |
2639 } else if (match_option(option, "-Xbootclasspath:", &tail)) { | |
2640 scp_p->reset_path(tail); | |
2641 *scp_assembly_required_p = true; | |
2642 // -bootclasspath/a: | |
2643 } else if (match_option(option, "-Xbootclasspath/a:", &tail)) { | |
2644 scp_p->add_suffix(tail); | |
2645 *scp_assembly_required_p = true; | |
2646 // -bootclasspath/p: | |
2647 } else if (match_option(option, "-Xbootclasspath/p:", &tail)) { | |
2648 scp_p->add_prefix(tail); | |
2649 *scp_assembly_required_p = true; | |
2650 // -Xrun | |
2651 } else if (match_option(option, "-Xrun", &tail)) { | |
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40ee984935b9
6792705: Add JAR file to bootclasspath when using AggressiveOpts
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513
diff
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|
2652 if (tail != NULL) { |
0 | 2653 const char* pos = strchr(tail, ':'); |
2654 size_t len = (pos == NULL) ? strlen(tail) : pos - tail; | |
6197 | 2655 char* name = (char*)memcpy(NEW_C_HEAP_ARRAY(char, len + 1, mtInternal), tail, len); |
0 | 2656 name[len] = '\0'; |
2657 | |
2658 char *options = NULL; | |
2659 if(pos != NULL) { | |
2660 size_t len2 = strlen(pos+1) + 1; // options start after ':'. Final zero must be copied. | |
6197 | 2661 options = (char*)memcpy(NEW_C_HEAP_ARRAY(char, len2, mtInternal), pos+1, len2); |
0 | 2662 } |
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7189254: Change makefiles for more flexibility to override defaults
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diff
changeset
|
2663 #if !INCLUDE_JVMTI |
0 | 2664 if ((strcmp(name, "hprof") == 0) || (strcmp(name, "jdwp") == 0)) { |
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|
2665 jio_fprintf(defaultStream::error_stream(), |
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|
2666 "Profiling and debugging agents are not supported in this VM\n"); |
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|
2667 return JNI_ERR; |
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|
2668 } |
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|
2669 #endif // !INCLUDE_JVMTI |
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fad90b102190
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8105
diff
changeset
|
2670 add_init_library(name, options); |
0 | 2671 } |
2672 // -agentlib and -agentpath | |
2673 } else if (match_option(option, "-agentlib:", &tail) || | |
2674 (is_absolute_path = match_option(option, "-agentpath:", &tail))) { | |
2675 if(tail != NULL) { | |
2676 const char* pos = strchr(tail, '='); | |
2677 size_t len = (pos == NULL) ? strlen(tail) : pos - tail; | |
6197 | 2678 char* name = strncpy(NEW_C_HEAP_ARRAY(char, len + 1, mtInternal), tail, len); |
0 | 2679 name[len] = '\0'; |
2680 | |
2681 char *options = NULL; | |
2682 if(pos != NULL) { | |
6197 | 2683 options = strcpy(NEW_C_HEAP_ARRAY(char, strlen(pos + 1) + 1, mtInternal), pos + 1); |
0 | 2684 } |
6854
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6818
diff
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|
2685 #if !INCLUDE_JVMTI |
10170
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diff
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|
2686 if (valid_hprof_or_jdwp_agent(name, is_absolute_path)) { |
8720
fad90b102190
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diff
changeset
|
2687 jio_fprintf(defaultStream::error_stream(), |
fad90b102190
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diff
changeset
|
2688 "Profiling and debugging agents are not supported in this VM\n"); |
fad90b102190
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8105
diff
changeset
|
2689 return JNI_ERR; |
fad90b102190
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parents:
8105
diff
changeset
|
2690 } |
6854
fb19af007ffc
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6818
diff
changeset
|
2691 #endif // !INCLUDE_JVMTI |
0 | 2692 add_init_agent(name, options, is_absolute_path); |
2693 } | |
2694 // -javaagent | |
2695 } else if (match_option(option, "-javaagent:", &tail)) { | |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
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6818
diff
changeset
|
2696 #if !INCLUDE_JVMTI |
8720
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jprovino
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diff
changeset
|
2697 jio_fprintf(defaultStream::error_stream(), |
fad90b102190
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jprovino
parents:
8105
diff
changeset
|
2698 "Instrumentation agents are not supported in this VM\n"); |
fad90b102190
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jprovino
parents:
8105
diff
changeset
|
2699 return JNI_ERR; |
6854
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7189254: Change makefiles for more flexibility to override defaults
jprovino
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6818
diff
changeset
|
2700 #else |
0 | 2701 if(tail != NULL) { |
6197 | 2702 char *options = strcpy(NEW_C_HEAP_ARRAY(char, strlen(tail) + 1, mtInternal), tail); |
0 | 2703 add_init_agent("instrument", options, false); |
2704 } | |
6854
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jprovino
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6818
diff
changeset
|
2705 #endif // !INCLUDE_JVMTI |
0 | 2706 // -Xnoclassgc |
2707 } else if (match_option(option, "-Xnoclassgc", &tail)) { | |
2708 FLAG_SET_CMDLINE(bool, ClassUnloading, false); | |
2709 // -Xincgc: i-CMS | |
2710 } else if (match_option(option, "-Xincgc", &tail)) { | |
2711 FLAG_SET_CMDLINE(bool, UseConcMarkSweepGC, true); | |
2712 FLAG_SET_CMDLINE(bool, CMSIncrementalMode, true); | |
2713 // -Xnoincgc: no i-CMS | |
2714 } else if (match_option(option, "-Xnoincgc", &tail)) { | |
2715 FLAG_SET_CMDLINE(bool, UseConcMarkSweepGC, false); | |
2716 FLAG_SET_CMDLINE(bool, CMSIncrementalMode, false); | |
2717 // -Xconcgc | |
2718 } else if (match_option(option, "-Xconcgc", &tail)) { | |
2719 FLAG_SET_CMDLINE(bool, UseConcMarkSweepGC, true); | |
2720 // -Xnoconcgc | |
2721 } else if (match_option(option, "-Xnoconcgc", &tail)) { | |
2722 FLAG_SET_CMDLINE(bool, UseConcMarkSweepGC, false); | |
2723 // -Xbatch | |
2724 } else if (match_option(option, "-Xbatch", &tail)) { | |
2725 FLAG_SET_CMDLINE(bool, BackgroundCompilation, false); | |
2726 // -Xmn for compatibility with other JVM vendors | |
2727 } else if (match_option(option, "-Xmn", &tail)) { | |
12831 | 2728 julong long_initial_young_size = 0; |
2729 ArgsRange errcode = parse_memory_size(tail, &long_initial_young_size, 1); | |
0 | 2730 if (errcode != arg_in_range) { |
2731 jio_fprintf(defaultStream::error_stream(), | |
12831 | 2732 "Invalid initial young generation size: %s\n", option->optionString); |
0 | 2733 describe_range_error(errcode); |
2734 return JNI_EINVAL; | |
2735 } | |
12831 | 2736 FLAG_SET_CMDLINE(uintx, MaxNewSize, (uintx)long_initial_young_size); |
2737 FLAG_SET_CMDLINE(uintx, NewSize, (uintx)long_initial_young_size); | |
0 | 2738 // -Xms |
2739 } else if (match_option(option, "-Xms", &tail)) { | |
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
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483
diff
changeset
|
2740 julong long_initial_heap_size = 0; |
10241
d17700c82d7d
8006088: Incompatible heap size flags accepted by VM
tschatzl
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10240
diff
changeset
|
2741 // an initial heap size of 0 means automatically determine |
d17700c82d7d
8006088: Incompatible heap size flags accepted by VM
tschatzl
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10240
diff
changeset
|
2742 ArgsRange errcode = parse_memory_size(tail, &long_initial_heap_size, 0); |
0 | 2743 if (errcode != arg_in_range) { |
2744 jio_fprintf(defaultStream::error_stream(), | |
2745 "Invalid initial heap size: %s\n", option->optionString); | |
2746 describe_range_error(errcode); | |
2747 return JNI_EINVAL; | |
2748 } | |
13059
46d7652b223c
8026853: Prepare GC code for collector policy regression fix
jwilhelm
parents:
13008
diff
changeset
|
2749 set_min_heap_size((uintx)long_initial_heap_size); |
0 | 2750 // 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
|
2751 // Can be overridden with -XX:InitialHeapSize. |
46d7652b223c
8026853: Prepare GC code for collector policy regression fix
jwilhelm
parents:
13008
diff
changeset
|
2752 FLAG_SET_CMDLINE(uintx, InitialHeapSize, (uintx)long_initial_heap_size); |
0 | 2753 // -Xmx |
10241
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8006088: Incompatible heap size flags accepted by VM
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parents:
10240
diff
changeset
|
2754 } else if (match_option(option, "-Xmx", &tail) || match_option(option, "-XX:MaxHeapSize=", &tail)) { |
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
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483
diff
changeset
|
2755 julong long_max_heap_size = 0; |
0 | 2756 ArgsRange errcode = parse_memory_size(tail, &long_max_heap_size, 1); |
2757 if (errcode != arg_in_range) { | |
2758 jio_fprintf(defaultStream::error_stream(), | |
2759 "Invalid maximum heap size: %s\n", option->optionString); | |
2760 describe_range_error(errcode); | |
2761 return JNI_EINVAL; | |
2762 } | |
1064 | 2763 FLAG_SET_CMDLINE(uintx, MaxHeapSize, (uintx)long_max_heap_size); |
0 | 2764 // Xmaxf |
2765 } 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
|
2766 char* err; |
027006a47a6d
8025661: Ill-formed -Xminf and -Xmaxf options values interpreted as 0
sjohanss
parents:
12840
diff
changeset
|
2767 int maxf = (int)(strtod(tail, &err) * 100); |
17648
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
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17628
diff
changeset
|
2768 if (*err != '\0' || *tail == '\0' || maxf < 0 || maxf > 100) { |
0 | 2769 jio_fprintf(defaultStream::error_stream(), |
2770 "Bad max heap free percentage size: %s\n", | |
2771 option->optionString); | |
2772 return JNI_EINVAL; | |
2773 } else { | |
2774 FLAG_SET_CMDLINE(uintx, MaxHeapFreeRatio, maxf); | |
2775 } | |
2776 // Xminf | |
2777 } else if (match_option(option, "-Xminf", &tail)) { | |
12896
027006a47a6d
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sjohanss
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12840
diff
changeset
|
2778 char* err; |
027006a47a6d
8025661: Ill-formed -Xminf and -Xmaxf options values interpreted as 0
sjohanss
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12840
diff
changeset
|
2779 int minf = (int)(strtod(tail, &err) * 100); |
17648
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
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17628
diff
changeset
|
2780 if (*err != '\0' || *tail == '\0' || minf < 0 || minf > 100) { |
0 | 2781 jio_fprintf(defaultStream::error_stream(), |
2782 "Bad min heap free percentage size: %s\n", | |
2783 option->optionString); | |
2784 return JNI_EINVAL; | |
2785 } else { | |
2786 FLAG_SET_CMDLINE(uintx, MinHeapFreeRatio, minf); | |
2787 } | |
2788 // -Xss | |
2789 } else if (match_option(option, "-Xss", &tail)) { | |
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
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483
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|
2790 julong long_ThreadStackSize = 0; |
0 | 2791 ArgsRange errcode = parse_memory_size(tail, &long_ThreadStackSize, 1000); |
2792 if (errcode != arg_in_range) { | |
2793 jio_fprintf(defaultStream::error_stream(), | |
2794 "Invalid thread stack size: %s\n", option->optionString); | |
2795 describe_range_error(errcode); | |
2796 return JNI_EINVAL; | |
2797 } | |
2798 // Internally track ThreadStackSize in units of 1024 bytes. | |
2799 FLAG_SET_CMDLINE(intx, ThreadStackSize, | |
2800 round_to((int)long_ThreadStackSize, K) / K); | |
2801 // -Xoss | |
2802 } else if (match_option(option, "-Xoss", &tail)) { | |
2803 // HotSpot does not have separate native and Java stacks, ignore silently for compatibility | |
11079
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
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diff
changeset
|
2804 } else if (match_option(option, "-XX:CodeCacheExpansionSize=", &tail)) { |
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diff
changeset
|
2805 julong long_CodeCacheExpansionSize = 0; |
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8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
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diff
changeset
|
2806 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
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11006
diff
changeset
|
2807 if (errcode != arg_in_range) { |
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
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11006
diff
changeset
|
2808 jio_fprintf(defaultStream::error_stream(), |
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2809 "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
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11006
diff
changeset
|
2810 os::vm_page_size()/K); |
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
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diff
changeset
|
2811 return JNI_EINVAL; |
738e04fb1232
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11006
diff
changeset
|
2812 } |
738e04fb1232
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anoll
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11006
diff
changeset
|
2813 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
|
2814 } 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
|
2815 match_option(option, "-XX:ReservedCodeCacheSize=", &tail)) { |
489
2494ab195856
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swamyv
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483
diff
changeset
|
2816 julong long_ReservedCodeCacheSize = 0; |
11079
738e04fb1232
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anoll
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11006
diff
changeset
|
2817 |
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
|
2818 ArgsRange errcode = parse_memory_size(tail, &long_ReservedCodeCacheSize, 1); |
0 | 2819 if (errcode != arg_in_range) { |
2820 jio_fprintf(defaultStream::error_stream(), | |
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diff
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|
2821 "Invalid maximum code cache size: %s.\n", option->optionString); |
0 | 2822 return JNI_EINVAL; |
2823 } | |
2824 FLAG_SET_CMDLINE(uintx, ReservedCodeCacheSize, (uintx)long_ReservedCodeCacheSize); | |
10319
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
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|
2825 //-XX:IncreaseFirstTierCompileThresholdAt= |
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
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diff
changeset
|
2826 } else if (match_option(option, "-XX:IncreaseFirstTierCompileThresholdAt=", &tail)) { |
91eba9f82325
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diff
changeset
|
2827 uintx uint_IncreaseFirstTierCompileThresholdAt = 0; |
91eba9f82325
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diff
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|
2828 if (!parse_uintx(tail, &uint_IncreaseFirstTierCompileThresholdAt, 0) || uint_IncreaseFirstTierCompileThresholdAt > 99) { |
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
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diff
changeset
|
2829 jio_fprintf(defaultStream::error_stream(), |
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
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10294
diff
changeset
|
2830 "Invalid value for IncreaseFirstTierCompileThresholdAt: %s. Should be between 0 and 99.\n", |
91eba9f82325
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anoll
parents:
10294
diff
changeset
|
2831 option->optionString); |
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
parents:
10294
diff
changeset
|
2832 return JNI_EINVAL; |
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
parents:
10294
diff
changeset
|
2833 } |
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
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|
2834 FLAG_SET_CMDLINE(uintx, IncreaseFirstTierCompileThresholdAt, (uintx)uint_IncreaseFirstTierCompileThresholdAt); |
0 | 2835 // -green |
2836 } else if (match_option(option, "-green", &tail)) { | |
2837 jio_fprintf(defaultStream::error_stream(), | |
2838 "Green threads support not available\n"); | |
2839 return JNI_EINVAL; | |
2840 // -native | |
2841 } else if (match_option(option, "-native", &tail)) { | |
2842 // HotSpot always uses native threads, ignore silently for compatibility | |
2843 // -Xsqnopause | |
2844 } else if (match_option(option, "-Xsqnopause", &tail)) { | |
2845 // EVM option, ignore silently for compatibility | |
2846 // -Xrs | |
2847 } else if (match_option(option, "-Xrs", &tail)) { | |
2848 // Classic/EVM option, new functionality | |
2849 FLAG_SET_CMDLINE(bool, ReduceSignalUsage, true); | |
2850 } else if (match_option(option, "-Xusealtsigs", &tail)) { | |
2851 // change default internal VM signals used - lower case for back compat | |
2852 FLAG_SET_CMDLINE(bool, UseAltSigs, true); | |
2853 // -Xoptimize | |
2854 } else if (match_option(option, "-Xoptimize", &tail)) { | |
2855 // EVM option, ignore silently for compatibility | |
2856 // -Xprof | |
2857 } else if (match_option(option, "-Xprof", &tail)) { | |
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6818
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changeset
|
2858 #if INCLUDE_FPROF |
0 | 2859 _has_profile = true; |
6854
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changeset
|
2860 #else // INCLUDE_FPROF |
8720
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
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|
2861 jio_fprintf(defaultStream::error_stream(), |
fad90b102190
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|
2862 "Flat profiling is not supported in this VM.\n"); |
fad90b102190
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jprovino
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|
2863 return JNI_ERR; |
6854
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|
2864 #endif // INCLUDE_FPROF |
0 | 2865 // -Xconcurrentio |
2866 } else if (match_option(option, "-Xconcurrentio", &tail)) { | |
2867 FLAG_SET_CMDLINE(bool, UseLWPSynchronization, true); | |
2868 FLAG_SET_CMDLINE(bool, BackgroundCompilation, false); | |
2869 FLAG_SET_CMDLINE(intx, DeferThrSuspendLoopCount, 1); | |
2870 FLAG_SET_CMDLINE(bool, UseTLAB, false); | |
2871 FLAG_SET_CMDLINE(uintx, NewSizeThreadIncrease, 16 * K); // 20Kb per thread added to new generation | |
2872 | |
2873 // -Xinternalversion | |
2874 } else if (match_option(option, "-Xinternalversion", &tail)) { | |
2875 jio_fprintf(defaultStream::output_stream(), "%s\n", | |
2876 VM_Version::internal_vm_info_string()); | |
2877 vm_exit(0); | |
2878 #ifndef PRODUCT | |
2879 // -Xprintflags | |
2880 } else if (match_option(option, "-Xprintflags", &tail)) { | |
4773 | 2881 CommandLineFlags::printFlags(tty, false); |
0 | 2882 vm_exit(0); |
2883 #endif | |
2884 // -D | |
2885 } else if (match_option(option, "-D", &tail)) { | |
2886 if (!add_property(tail)) { | |
2887 return JNI_ENOMEM; | |
2888 } | |
2889 // Out of the box management support | |
2890 if (match_option(option, "-Dcom.sun.management", &tail)) { | |
8081
579f6adb7f51
8003539: Minimal VM don't react to -Dcom.sun.management and -XX:+ManagementServer
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parents:
8002
diff
changeset
|
2891 #if INCLUDE_MANAGEMENT |
0 | 2892 FLAG_SET_CMDLINE(bool, ManagementServer, true); |
8081
579f6adb7f51
8003539: Minimal VM don't react to -Dcom.sun.management and -XX:+ManagementServer
jprovino
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8002
diff
changeset
|
2893 #else |
8720
fad90b102190
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parents:
8105
diff
changeset
|
2894 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
|
2895 "-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
|
2896 return JNI_ERR; |
8081
579f6adb7f51
8003539: Minimal VM don't react to -Dcom.sun.management and -XX:+ManagementServer
jprovino
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8002
diff
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|
2897 #endif |
0 | 2898 } |
2899 // -Xint | |
2900 } else if (match_option(option, "-Xint", &tail)) { | |
2901 set_mode_flags(_int); | |
2902 // -Xmixed | |
2903 } else if (match_option(option, "-Xmixed", &tail)) { | |
2904 set_mode_flags(_mixed); | |
2905 // -Xcomp | |
2906 } else if (match_option(option, "-Xcomp", &tail)) { | |
2907 // for testing the compiler; turn off all flags that inhibit compilation | |
2908 set_mode_flags(_comp); | |
2909 // -Xshare:dump | |
2910 } else if (match_option(option, "-Xshare:dump", &tail)) { | |
2911 FLAG_SET_CMDLINE(bool, DumpSharedSpaces, true); | |
2912 set_mode_flags(_int); // Prevent compilation, which creates objects | |
2913 // -Xshare:on | |
2914 } else if (match_option(option, "-Xshare:on", &tail)) { | |
2915 FLAG_SET_CMDLINE(bool, UseSharedSpaces, true); | |
2916 FLAG_SET_CMDLINE(bool, RequireSharedSpaces, true); | |
2917 // -Xshare:auto | |
2918 } else if (match_option(option, "-Xshare:auto", &tail)) { | |
2919 FLAG_SET_CMDLINE(bool, UseSharedSpaces, true); | |
2920 FLAG_SET_CMDLINE(bool, RequireSharedSpaces, false); | |
2921 // -Xshare:off | |
2922 } else if (match_option(option, "-Xshare:off", &tail)) { | |
2923 FLAG_SET_CMDLINE(bool, UseSharedSpaces, false); | |
2924 FLAG_SET_CMDLINE(bool, RequireSharedSpaces, false); | |
2925 // -Xverify | |
2926 } else if (match_option(option, "-Xverify", &tail)) { | |
2927 if (strcmp(tail, ":all") == 0 || strcmp(tail, "") == 0) { | |
2928 FLAG_SET_CMDLINE(bool, BytecodeVerificationLocal, true); | |
2929 FLAG_SET_CMDLINE(bool, BytecodeVerificationRemote, true); | |
2930 } else if (strcmp(tail, ":remote") == 0) { | |
2931 FLAG_SET_CMDLINE(bool, BytecodeVerificationLocal, false); | |
2932 FLAG_SET_CMDLINE(bool, BytecodeVerificationRemote, true); | |
2933 } else if (strcmp(tail, ":none") == 0) { | |
2934 FLAG_SET_CMDLINE(bool, BytecodeVerificationLocal, false); | |
2935 FLAG_SET_CMDLINE(bool, BytecodeVerificationRemote, false); | |
2936 } else if (is_bad_option(option, args->ignoreUnrecognized, "verification")) { | |
2937 return JNI_EINVAL; | |
2938 } | |
2939 // -Xdebug | |
2940 } else if (match_option(option, "-Xdebug", &tail)) { | |
2941 // note this flag has been used, then ignore | |
2942 set_xdebug_mode(true); | |
2943 // -Xnoagent | |
2944 } else if (match_option(option, "-Xnoagent", &tail)) { | |
2945 // For compatibility with classic. HotSpot refuses to load the old style agent.dll. | |
2946 } else if (match_option(option, "-Xboundthreads", &tail)) { | |
2947 // Bind user level threads to kernel threads (Solaris only) | |
2948 FLAG_SET_CMDLINE(bool, UseBoundThreads, true); | |
2949 } else if (match_option(option, "-Xloggc:", &tail)) { | |
2950 // Redirect GC output to the file. -Xloggc:<filename> | |
2951 // ostream_init_log(), when called will use this filename | |
2952 // to initialize a fileStream. | |
2953 _gc_log_filename = strdup(tail); | |
12215 | 2954 if (!is_filename_valid(_gc_log_filename)) { |
2955 jio_fprintf(defaultStream::output_stream(), | |
2956 "Invalid file name for use with -Xloggc: Filename can only contain the " | |
2957 "characters [A-Z][a-z][0-9]-_.%%[p|t] but it has been %s\n" | |
2958 "Note %%p or %%t can only be used once\n", _gc_log_filename); | |
2959 return JNI_EINVAL; | |
2960 } | |
0 | 2961 FLAG_SET_CMDLINE(bool, PrintGC, true); |
2962 FLAG_SET_CMDLINE(bool, PrintGCTimeStamps, true); | |
2963 | |
2964 // JNI hooks | |
2965 } else if (match_option(option, "-Xcheck", &tail)) { | |
2966 if (!strcmp(tail, ":jni")) { | |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2967 #if !INCLUDE_JNI_CHECK |
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2968 warning("JNI CHECKING is not supported in this VM"); |
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2969 #else |
0 | 2970 CheckJNICalls = true; |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2971 #endif // INCLUDE_JNI_CHECK |
0 | 2972 } else if (is_bad_option(option, args->ignoreUnrecognized, |
2973 "check")) { | |
2974 return JNI_EINVAL; | |
2975 } | |
2976 } else if (match_option(option, "vfprintf", &tail)) { | |
2977 _vfprintf_hook = CAST_TO_FN_PTR(vfprintf_hook_t, option->extraInfo); | |
2978 } else if (match_option(option, "exit", &tail)) { | |
2979 _exit_hook = CAST_TO_FN_PTR(exit_hook_t, option->extraInfo); | |
2980 } else if (match_option(option, "abort", &tail)) { | |
2981 _abort_hook = CAST_TO_FN_PTR(abort_hook_t, option->extraInfo); | |
2982 // -XX:+AggressiveHeap | |
2983 } else if (match_option(option, "-XX:+AggressiveHeap", &tail)) { | |
2984 | |
2985 // This option inspects the machine and attempts to set various | |
2986 // parameters to be optimal for long-running, memory allocation | |
2987 // intensive jobs. It is intended for machines with large | |
2988 // amounts of cpu and memory. | |
2989 | |
2990 // initHeapSize is needed since _initial_heap_size is 4 bytes on a 32 bit | |
2991 // VM, but we may not be able to represent the total physical memory | |
2992 // available (like having 8gb of memory on a box but using a 32bit VM). | |
2993 // Thus, we need to make sure we're using a julong for intermediate | |
2994 // calculations. | |
2995 julong initHeapSize; | |
2996 julong total_memory = os::physical_memory(); | |
2997 | |
2998 if (total_memory < (julong)256*M) { | |
2999 jio_fprintf(defaultStream::error_stream(), | |
3000 "You need at least 256mb of memory to use -XX:+AggressiveHeap\n"); | |
3001 vm_exit(1); | |
3002 } | |
3003 | |
3004 // The heap size is half of available memory, or (at most) | |
3005 // all of possible memory less 160mb (leaving room for the OS | |
3006 // when using ISM). This is the maximum; because adaptive sizing | |
3007 // is turned on below, the actual space used may be smaller. | |
3008 | |
3009 initHeapSize = MIN2(total_memory / (julong)2, | |
3010 total_memory - (julong)160*M); | |
3011 | |
8854
754c24457b20
7112912: Message "Error occurred during initialization of VM" on boxes with lots of RAM
tschatzl
parents:
8824
diff
changeset
|
3012 initHeapSize = limit_by_allocatable_memory(initHeapSize); |
0 | 3013 |
3014 if (FLAG_IS_DEFAULT(MaxHeapSize)) { | |
3015 FLAG_SET_CMDLINE(uintx, MaxHeapSize, initHeapSize); | |
1064 | 3016 FLAG_SET_CMDLINE(uintx, InitialHeapSize, initHeapSize); |
0 | 3017 // Currently the minimum size and the initial heap sizes are the same. |
1064 | 3018 set_min_heap_size(initHeapSize); |
0 | 3019 } |
3020 if (FLAG_IS_DEFAULT(NewSize)) { | |
3021 // Make the young generation 3/8ths of the total heap. | |
3022 FLAG_SET_CMDLINE(uintx, NewSize, | |
3023 ((julong)MaxHeapSize / (julong)8) * (julong)3); | |
3024 FLAG_SET_CMDLINE(uintx, MaxNewSize, NewSize); | |
3025 } | |
3026 | |
6917
e81fbc04a942
7191817: -XX:+UseSerialGC -XX:+UseLargePages crashes with SIGFPE on MacOS X
coleenp
parents:
6916
diff
changeset
|
3027 #ifndef _ALLBSD_SOURCE // UseLargePages is not yet supported on BSD. |
0 | 3028 FLAG_SET_DEFAULT(UseLargePages, true); |
6917
e81fbc04a942
7191817: -XX:+UseSerialGC -XX:+UseLargePages crashes with SIGFPE on MacOS X
coleenp
parents:
6916
diff
changeset
|
3029 #endif |
0 | 3030 |
3031 // Increase some data structure sizes for efficiency | |
3032 FLAG_SET_CMDLINE(uintx, BaseFootPrintEstimate, MaxHeapSize); | |
3033 FLAG_SET_CMDLINE(bool, ResizeTLAB, false); | |
3034 FLAG_SET_CMDLINE(uintx, TLABSize, 256*K); | |
3035 | |
3036 // See the OldPLABSize comment below, but replace 'after promotion' | |
3037 // with 'after copying'. YoungPLABSize is the size of the survivor | |
3038 // space per-gc-thread buffers. The default is 4kw. | |
3039 FLAG_SET_CMDLINE(uintx, YoungPLABSize, 256*K); // Note: this is in words | |
3040 | |
3041 // OldPLABSize is the size of the buffers in the old gen that | |
3042 // UseParallelGC uses to promote live data that doesn't fit in the | |
3043 // survivor spaces. At any given time, there's one for each gc thread. | |
3044 // The default size is 1kw. These buffers are rarely used, since the | |
3045 // survivor spaces are usually big enough. For specjbb, however, there | |
3046 // are occasions when there's lots of live data in the young gen | |
3047 // and we end up promoting some of it. We don't have a definite | |
3048 // explanation for why bumping OldPLABSize helps, but the theory | |
3049 // is that a bigger PLAB results in retaining something like the | |
3050 // original allocation order after promotion, which improves mutator | |
3051 // locality. A minor effect may be that larger PLABs reduce the | |
3052 // number of PLAB allocation events during gc. The value of 8kw | |
3053 // was arrived at by experimenting with specjbb. | |
3054 FLAG_SET_CMDLINE(uintx, OldPLABSize, 8*K); // Note: this is in words | |
3055 | |
3056 // Enable parallel GC and adaptive generation sizing | |
3057 FLAG_SET_CMDLINE(bool, UseParallelGC, true); | |
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
3058 FLAG_SET_DEFAULT(ParallelGCThreads, |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
3059 Abstract_VM_Version::parallel_worker_threads()); |
0 | 3060 |
3061 // Encourage steady state memory management | |
3062 FLAG_SET_CMDLINE(uintx, ThresholdTolerance, 100); | |
3063 | |
3064 // This appears to improve mutator locality | |
3065 FLAG_SET_CMDLINE(bool, ScavengeBeforeFullGC, false); | |
3066 | |
3067 // Get around early Solaris scheduling bug | |
3068 // (affinity vs other jobs on system) | |
3069 // but disallow DR and offlining (5008695). | |
3070 FLAG_SET_CMDLINE(bool, BindGCTaskThreadsToCPUs, true); | |
3071 | |
3072 } else if (match_option(option, "-XX:+NeverTenure", &tail)) { | |
3073 // The last option must always win. | |
3074 FLAG_SET_CMDLINE(bool, AlwaysTenure, false); | |
3075 FLAG_SET_CMDLINE(bool, NeverTenure, true); | |
3076 } else if (match_option(option, "-XX:+AlwaysTenure", &tail)) { | |
3077 // The last option must always win. | |
3078 FLAG_SET_CMDLINE(bool, NeverTenure, false); | |
3079 FLAG_SET_CMDLINE(bool, AlwaysTenure, true); | |
3080 } else if (match_option(option, "-XX:+CMSPermGenSweepingEnabled", &tail) || | |
3081 match_option(option, "-XX:-CMSPermGenSweepingEnabled", &tail)) { | |
3082 jio_fprintf(defaultStream::error_stream(), | |
3083 "Please use CMSClassUnloadingEnabled in place of " | |
3084 "CMSPermGenSweepingEnabled in the future\n"); | |
3085 } else if (match_option(option, "-XX:+UseGCTimeLimit", &tail)) { | |
3086 FLAG_SET_CMDLINE(bool, UseGCOverheadLimit, true); | |
3087 jio_fprintf(defaultStream::error_stream(), | |
3088 "Please use -XX:+UseGCOverheadLimit in place of " | |
3089 "-XX:+UseGCTimeLimit in the future\n"); | |
3090 } else if (match_option(option, "-XX:-UseGCTimeLimit", &tail)) { | |
3091 FLAG_SET_CMDLINE(bool, UseGCOverheadLimit, false); | |
3092 jio_fprintf(defaultStream::error_stream(), | |
3093 "Please use -XX:-UseGCOverheadLimit in place of " | |
3094 "-XX:-UseGCTimeLimit in the future\n"); | |
3095 // The TLE options are for compatibility with 1.3 and will be | |
3096 // removed without notice in a future release. These options | |
3097 // are not to be documented. | |
3098 } else if (match_option(option, "-XX:MaxTLERatio=", &tail)) { | |
3099 // No longer used. | |
3100 } else if (match_option(option, "-XX:+ResizeTLE", &tail)) { | |
3101 FLAG_SET_CMDLINE(bool, ResizeTLAB, true); | |
3102 } else if (match_option(option, "-XX:-ResizeTLE", &tail)) { | |
3103 FLAG_SET_CMDLINE(bool, ResizeTLAB, false); | |
3104 } else if (match_option(option, "-XX:+PrintTLE", &tail)) { | |
3105 FLAG_SET_CMDLINE(bool, PrintTLAB, true); | |
3106 } else if (match_option(option, "-XX:-PrintTLE", &tail)) { | |
3107 FLAG_SET_CMDLINE(bool, PrintTLAB, false); | |
3108 } else if (match_option(option, "-XX:TLEFragmentationRatio=", &tail)) { | |
3109 // No longer used. | |
3110 } else if (match_option(option, "-XX:TLESize=", &tail)) { | |
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
3111 julong long_tlab_size = 0; |
0 | 3112 ArgsRange errcode = parse_memory_size(tail, &long_tlab_size, 1); |
3113 if (errcode != arg_in_range) { | |
3114 jio_fprintf(defaultStream::error_stream(), | |
3115 "Invalid TLAB size: %s\n", option->optionString); | |
3116 describe_range_error(errcode); | |
3117 return JNI_EINVAL; | |
3118 } | |
3119 FLAG_SET_CMDLINE(uintx, TLABSize, long_tlab_size); | |
3120 } else if (match_option(option, "-XX:TLEThreadRatio=", &tail)) { | |
3121 // No longer used. | |
3122 } else if (match_option(option, "-XX:+UseTLE", &tail)) { | |
3123 FLAG_SET_CMDLINE(bool, UseTLAB, true); | |
3124 } else if (match_option(option, "-XX:-UseTLE", &tail)) { | |
3125 FLAG_SET_CMDLINE(bool, UseTLAB, false); | |
3126 } else if (match_option(option, "-XX:+DisplayVMOutputToStderr", &tail)) { | |
3127 FLAG_SET_CMDLINE(bool, DisplayVMOutputToStdout, false); | |
3128 FLAG_SET_CMDLINE(bool, DisplayVMOutputToStderr, true); | |
3129 } else if (match_option(option, "-XX:+DisplayVMOutputToStdout", &tail)) { | |
3130 FLAG_SET_CMDLINE(bool, DisplayVMOutputToStderr, false); | |
3131 FLAG_SET_CMDLINE(bool, DisplayVMOutputToStdout, true); | |
3132 } else if (match_option(option, "-XX:+ExtendedDTraceProbes", &tail)) { | |
4006 | 3133 #if defined(DTRACE_ENABLED) |
0 | 3134 FLAG_SET_CMDLINE(bool, ExtendedDTraceProbes, true); |
3135 FLAG_SET_CMDLINE(bool, DTraceMethodProbes, true); | |
3136 FLAG_SET_CMDLINE(bool, DTraceAllocProbes, true); | |
3137 FLAG_SET_CMDLINE(bool, DTraceMonitorProbes, true); | |
4006 | 3138 #else // defined(DTRACE_ENABLED) |
0 | 3139 jio_fprintf(defaultStream::error_stream(), |
4006 | 3140 "ExtendedDTraceProbes flag is not applicable for this configuration\n"); |
0 | 3141 return JNI_EINVAL; |
4006 | 3142 #endif // defined(DTRACE_ENABLED) |
0 | 3143 #ifdef ASSERT |
1145
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3144 } else if (match_option(option, "-XX:+FullGCALot", &tail)) { |
0 | 3145 FLAG_SET_CMDLINE(bool, FullGCALot, true); |
3146 // disable scavenge before parallel mark-compact | |
3147 FLAG_SET_CMDLINE(bool, ScavengeBeforeFullGC, false); | |
3148 #endif | |
1145
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3149 } else if (match_option(option, "-XX:CMSParPromoteBlocksToClaim=", &tail)) { |
0 | 3150 julong cms_blocks_to_claim = (julong)atol(tail); |
3151 FLAG_SET_CMDLINE(uintx, CMSParPromoteBlocksToClaim, cms_blocks_to_claim); | |
3152 jio_fprintf(defaultStream::error_stream(), | |
1145
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3153 "Please use -XX:OldPLABSize in place of " |
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3154 "-XX:CMSParPromoteBlocksToClaim in the future\n"); |
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3155 } else if (match_option(option, "-XX:ParCMSPromoteBlocksToClaim=", &tail)) { |
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3156 julong cms_blocks_to_claim = (julong)atol(tail); |
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3157 FLAG_SET_CMDLINE(uintx, CMSParPromoteBlocksToClaim, cms_blocks_to_claim); |
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3158 jio_fprintf(defaultStream::error_stream(), |
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3159 "Please use -XX:OldPLABSize in place of " |
0 | 3160 "-XX:ParCMSPromoteBlocksToClaim in the future\n"); |
1145
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3161 } else if (match_option(option, "-XX:ParallelGCOldGenAllocBufferSize=", &tail)) { |
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
3162 julong old_plab_size = 0; |
0 | 3163 ArgsRange errcode = parse_memory_size(tail, &old_plab_size, 1); |
3164 if (errcode != arg_in_range) { | |
3165 jio_fprintf(defaultStream::error_stream(), | |
3166 "Invalid old PLAB size: %s\n", option->optionString); | |
3167 describe_range_error(errcode); | |
3168 return JNI_EINVAL; | |
3169 } | |
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
3170 FLAG_SET_CMDLINE(uintx, OldPLABSize, old_plab_size); |
0 | 3171 jio_fprintf(defaultStream::error_stream(), |
3172 "Please use -XX:OldPLABSize in place of " | |
3173 "-XX:ParallelGCOldGenAllocBufferSize in the future\n"); | |
1145
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3174 } else if (match_option(option, "-XX:ParallelGCToSpaceAllocBufferSize=", &tail)) { |
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
3175 julong young_plab_size = 0; |
0 | 3176 ArgsRange errcode = parse_memory_size(tail, &young_plab_size, 1); |
3177 if (errcode != arg_in_range) { | |
3178 jio_fprintf(defaultStream::error_stream(), | |
3179 "Invalid young PLAB size: %s\n", option->optionString); | |
3180 describe_range_error(errcode); | |
3181 return JNI_EINVAL; | |
3182 } | |
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
3183 FLAG_SET_CMDLINE(uintx, YoungPLABSize, young_plab_size); |
0 | 3184 jio_fprintf(defaultStream::error_stream(), |
3185 "Please use -XX:YoungPLABSize in place of " | |
3186 "-XX:ParallelGCToSpaceAllocBufferSize in the future\n"); | |
1284 | 3187 } else if (match_option(option, "-XX:CMSMarkStackSize=", &tail) || |
3188 match_option(option, "-XX:G1MarkStackSize=", &tail)) { | |
3189 julong stack_size = 0; | |
3190 ArgsRange errcode = parse_memory_size(tail, &stack_size, 1); | |
3191 if (errcode != arg_in_range) { | |
3192 jio_fprintf(defaultStream::error_stream(), | |
3193 "Invalid mark stack size: %s\n", option->optionString); | |
3194 describe_range_error(errcode); | |
3195 return JNI_EINVAL; | |
3196 } | |
3197 FLAG_SET_CMDLINE(uintx, MarkStackSize, stack_size); | |
3198 } else if (match_option(option, "-XX:CMSMarkStackSizeMax=", &tail)) { | |
3199 julong max_stack_size = 0; | |
3200 ArgsRange errcode = parse_memory_size(tail, &max_stack_size, 1); | |
3201 if (errcode != arg_in_range) { | |
3202 jio_fprintf(defaultStream::error_stream(), | |
3203 "Invalid maximum mark stack size: %s\n", | |
3204 option->optionString); | |
3205 describe_range_error(errcode); | |
3206 return JNI_EINVAL; | |
3207 } | |
3208 FLAG_SET_CMDLINE(uintx, MarkStackSizeMax, max_stack_size); | |
3209 } else if (match_option(option, "-XX:ParallelMarkingThreads=", &tail) || | |
3210 match_option(option, "-XX:ParallelCMSThreads=", &tail)) { | |
3211 uintx conc_threads = 0; | |
3212 if (!parse_uintx(tail, &conc_threads, 1)) { | |
3213 jio_fprintf(defaultStream::error_stream(), | |
3214 "Invalid concurrent threads: %s\n", option->optionString); | |
3215 return JNI_EINVAL; | |
3216 } | |
3217 FLAG_SET_CMDLINE(uintx, ConcGCThreads, conc_threads); | |
6199
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3218 } else if (match_option(option, "-XX:MaxDirectMemorySize=", &tail)) { |
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3219 julong max_direct_memory_size = 0; |
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3220 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
|
3221 if (errcode != arg_in_range) { |
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3222 jio_fprintf(defaultStream::error_stream(), |
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3223 "Invalid maximum direct memory size: %s\n", |
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3224 option->optionString); |
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3225 describe_range_error(errcode); |
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3226 return JNI_EINVAL; |
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3227 } |
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3228 FLAG_SET_CMDLINE(uintx, MaxDirectMemorySize, max_direct_memory_size); |
6878
85916677fc22
7188233: UseVMInterruptibleIO flag deprecate for JDK8
coleenp
parents:
6857
diff
changeset
|
3229 } else if (match_option(option, "-XX:+UseVMInterruptibleIO", &tail)) { |
85916677fc22
7188233: UseVMInterruptibleIO flag deprecate for JDK8
coleenp
parents:
6857
diff
changeset
|
3230 // NOTE! In JDK 9, the UseVMInterruptibleIO flag will completely go |
85916677fc22
7188233: UseVMInterruptibleIO flag deprecate for JDK8
coleenp
parents:
6857
diff
changeset
|
3231 // away and will cause VM initialization failures! |
85916677fc22
7188233: UseVMInterruptibleIO flag deprecate for JDK8
coleenp
parents:
6857
diff
changeset
|
3232 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
|
3233 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
|
3234 #if !INCLUDE_MANAGEMENT |
579f6adb7f51
8003539: Minimal VM don't react to -Dcom.sun.management and -XX:+ManagementServer
jprovino
parents:
8002
diff
changeset
|
3235 } 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
|
3236 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
|
3237 "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
|
3238 return JNI_ERR; |
8081
579f6adb7f51
8003539: Minimal VM don't react to -Dcom.sun.management and -XX:+ManagementServer
jprovino
parents:
8002
diff
changeset
|
3239 #endif // INCLUDE_MANAGEMENT |
1145
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3240 } else if (match_option(option, "-XX:", &tail)) { // -XX:xxxx |
0 | 3241 // Skip -XX:Flags= since that case has already been handled |
3242 if (strncmp(tail, "Flags=", strlen("Flags=")) != 0) { | |
3243 if (!process_argument(tail, args->ignoreUnrecognized, origin)) { | |
3244 return JNI_EINVAL; | |
3245 } | |
3246 } | |
3247 // Unknown option | |
3248 } else if (is_bad_option(option, args->ignoreUnrecognized)) { | |
3249 return JNI_ERR; | |
3250 } | |
3251 } | |
3767
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
3252 |
449
171e581e8161
6554406: Change switch UseVMInterruptibleIO default to false (sol)
xlu
parents:
420
diff
changeset
|
3253 // 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
|
3254 // when working with older JDKs. |
1679
3d90023429ec
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
1628
diff
changeset
|
3255 #ifdef LINUX |
3d90023429ec
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
1628
diff
changeset
|
3256 if (JDK_Version::current().compare_major(6) <= 0 && |
3d90023429ec
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
1628
diff
changeset
|
3257 FLAG_IS_DEFAULT(UseLinuxPosixThreadCPUClocks)) { |
3d90023429ec
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
1628
diff
changeset
|
3258 FLAG_SET_DEFAULT(UseLinuxPosixThreadCPUClocks, false); |
3d90023429ec
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
1628
diff
changeset
|
3259 } |
3d90023429ec
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
1628
diff
changeset
|
3260 #endif // LINUX |
0 | 3261 return JNI_OK; |
3262 } | |
3263 | |
3264 jint Arguments::finalize_vm_init_args(SysClassPath* scp_p, bool scp_assembly_required) { | |
3265 // This must be done after all -D arguments have been processed. | |
3266 scp_p->expand_endorsed(); | |
3267 | |
3268 if (scp_assembly_required || scp_p->get_endorsed() != NULL) { | |
3269 // Assemble the bootclasspath elements into the final path. | |
3270 Arguments::set_sysclasspath(scp_p->combined_path()); | |
3271 } | |
3272 | |
3273 // This must be done after all arguments have been processed. | |
3274 // java_compiler() true means set to "NONE" or empty. | |
3275 if (java_compiler() && !xdebug_mode()) { | |
3276 // For backwards compatibility, we switch to interpreted mode if | |
3277 // -Djava.compiler="NONE" or "" is specified AND "-Xdebug" was | |
3278 // not specified. | |
3279 set_mode_flags(_int); | |
3280 } | |
3281 if (CompileThreshold == 0) { | |
3282 set_mode_flags(_int); | |
3283 } | |
3284 | |
10292
acac2b03a07f
8014765: VM exits if MaxTenuringThreshold is set below the default InitialTenuringThreshold, and InitialTenuringThreshold is not set
tschatzl
parents:
10287
diff
changeset
|
3285 // 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
|
3286 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
|
3287 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
|
3288 } |
acac2b03a07f
8014765: VM exits if MaxTenuringThreshold is set below the default InitialTenuringThreshold, and InitialTenuringThreshold is not set
tschatzl
parents:
10287
diff
changeset
|
3289 |
0 | 3290 #ifndef COMPILER2 |
3291 // Don't degrade server performance for footprint | |
3292 if (FLAG_IS_DEFAULT(UseLargePages) && | |
3293 MaxHeapSize < LargePageHeapSizeThreshold) { | |
3294 // No need for large granularity pages w/small heaps. | |
3295 // Note that large pages are enabled/disabled for both the | |
3296 // Java heap and the code cache. | |
3297 FLAG_SET_DEFAULT(UseLargePages, false); | |
3298 } | |
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
3299 |
0 | 3300 #else |
3301 if (!FLAG_IS_DEFAULT(OptoLoopAlignment) && FLAG_IS_DEFAULT(MaxLoopPad)) { | |
3302 FLAG_SET_DEFAULT(MaxLoopPad, OptoLoopAlignment-1); | |
3303 } | |
3304 #endif | |
3305 | |
11999
79a5283f4595
8021120: TieredCompilation can be enabled even if TIERED is undefined
iignatyev
parents:
11154
diff
changeset
|
3306 #ifndef TIERED |
79a5283f4595
8021120: TieredCompilation can be enabled even if TIERED is undefined
iignatyev
parents:
11154
diff
changeset
|
3307 // Tiered compilation is undefined. |
79a5283f4595
8021120: TieredCompilation can be enabled even if TIERED is undefined
iignatyev
parents:
11154
diff
changeset
|
3308 UNSUPPORTED_OPTION(TieredCompilation, "TieredCompilation"); |
79a5283f4595
8021120: TieredCompilation can be enabled even if TIERED is undefined
iignatyev
parents:
11154
diff
changeset
|
3309 #endif |
79a5283f4595
8021120: TieredCompilation can be enabled even if TIERED is undefined
iignatyev
parents:
11154
diff
changeset
|
3310 |
1681
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3311 // 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
|
3312 // to be true unless the property has already been set. |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3313 // 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
|
3314 if (os::is_headless_jre()) { |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3315 const char* headless = Arguments::get_property("java.awt.headless"); |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3316 if (headless == NULL) { |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3317 char envbuffer[128]; |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3318 if (!os::getenv("JAVA_AWT_HEADLESS", envbuffer, sizeof(envbuffer))) { |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3319 if (!add_property("java.awt.headless=true")) { |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3320 return JNI_ENOMEM; |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3321 } |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3322 } else { |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3323 char buffer[256]; |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3324 strcpy(buffer, "java.awt.headless="); |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3325 strcat(buffer, envbuffer); |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3326 if (!add_property(buffer)) { |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3327 return JNI_ENOMEM; |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3328 } |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3329 } |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3330 } |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3331 } |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3332 |
0 | 3333 if (!check_vm_args_consistency()) { |
3334 return JNI_ERR; | |
3335 } | |
3336 | |
3337 return JNI_OK; | |
3338 } | |
3339 | |
3340 jint Arguments::parse_java_options_environment_variable(SysClassPath* scp_p, bool* scp_assembly_required_p) { | |
3341 return parse_options_environment_variable("_JAVA_OPTIONS", scp_p, | |
3342 scp_assembly_required_p); | |
3343 } | |
3344 | |
3345 jint Arguments::parse_java_tool_options_environment_variable(SysClassPath* scp_p, bool* scp_assembly_required_p) { | |
3346 return parse_options_environment_variable("JAVA_TOOL_OPTIONS", scp_p, | |
3347 scp_assembly_required_p); | |
3348 } | |
3349 | |
3350 jint Arguments::parse_options_environment_variable(const char* name, SysClassPath* scp_p, bool* scp_assembly_required_p) { | |
3351 const int N_MAX_OPTIONS = 64; | |
3352 const int OPTION_BUFFER_SIZE = 1024; | |
3353 char buffer[OPTION_BUFFER_SIZE]; | |
3354 | |
3355 // The variable will be ignored if it exceeds the length of the buffer. | |
3356 // Don't check this variable if user has special privileges | |
3357 // (e.g. unix su command). | |
3358 if (os::getenv(name, buffer, sizeof(buffer)) && | |
3359 !os::have_special_privileges()) { | |
3360 JavaVMOption options[N_MAX_OPTIONS]; // Construct option array | |
3361 jio_fprintf(defaultStream::error_stream(), | |
3362 "Picked up %s: %s\n", name, buffer); | |
3363 char* rd = buffer; // pointer to the input string (rd) | |
3364 int i; | |
3365 for (i = 0; i < N_MAX_OPTIONS;) { // repeat for all options in the input string | |
3366 while (isspace(*rd)) rd++; // skip whitespace | |
3367 if (*rd == 0) break; // we re done when the input string is read completely | |
3368 | |
3369 // The output, option string, overwrites the input string. | |
3370 // Because of quoting, the pointer to the option string (wrt) may lag the pointer to | |
3371 // input string (rd). | |
3372 char* wrt = rd; | |
3373 | |
3374 options[i++].optionString = wrt; // Fill in option | |
3375 while (*rd != 0 && !isspace(*rd)) { // unquoted strings terminate with a space or NULL | |
3376 if (*rd == '\'' || *rd == '"') { // handle a quoted string | |
3377 int quote = *rd; // matching quote to look for | |
3378 rd++; // don't copy open quote | |
3379 while (*rd != quote) { // include everything (even spaces) up until quote | |
3380 if (*rd == 0) { // string termination means unmatched string | |
3381 jio_fprintf(defaultStream::error_stream(), | |
3382 "Unmatched quote in %s\n", name); | |
3383 return JNI_ERR; | |
3384 } | |
3385 *wrt++ = *rd++; // copy to option string | |
3386 } | |
3387 rd++; // don't copy close quote | |
3388 } else { | |
3389 *wrt++ = *rd++; // copy to option string | |
3390 } | |
3391 } | |
3392 // Need to check if we're done before writing a NULL, | |
3393 // because the write could be to the byte that rd is pointing to. | |
3394 if (*rd++ == 0) { | |
3395 *wrt = 0; | |
3396 break; | |
3397 } | |
3398 *wrt = 0; // Zero terminate option | |
3399 } | |
3400 // Construct JavaVMInitArgs structure and parse as if it was part of the command line | |
3401 JavaVMInitArgs vm_args; | |
3402 vm_args.version = JNI_VERSION_1_2; | |
3403 vm_args.options = options; | |
3404 vm_args.nOptions = i; | |
564 | 3405 vm_args.ignoreUnrecognized = IgnoreUnrecognizedVMOptions; |
0 | 3406 |
3407 if (PrintVMOptions) { | |
3408 const char* tail; | |
3409 for (int i = 0; i < vm_args.nOptions; i++) { | |
3410 const JavaVMOption *option = vm_args.options + i; | |
3411 if (match_option(option, "-XX:", &tail)) { | |
3412 logOption(tail); | |
3413 } | |
3414 } | |
3415 } | |
3416 | |
12322
72b7e96c1922
8024545: make develop and notproduct flag values available in product builds
twisti
parents:
12269
diff
changeset
|
3417 return(parse_each_vm_init_arg(&vm_args, scp_p, scp_assembly_required_p, Flag::ENVIRON_VAR)); |
0 | 3418 } |
3419 return JNI_OK; | |
3420 } | |
3421 | |
2362
a2c2eac1ca62
7018056: large pages not always enabled by default
jcoomes
parents:
2302
diff
changeset
|
3422 void Arguments::set_shared_spaces_flags() { |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3423 if (DumpSharedSpaces) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3424 if (RequireSharedSpaces) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3425 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
|
3426 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3427 UseSharedSpaces = false; |
12056
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
3428 #ifdef _LP64 |
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
3429 if (!UseCompressedOops || !UseCompressedClassPointers) { |
12056
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
3430 vm_exit_during_initialization( |
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
3431 "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
|
3432 } |
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
3433 } else { |
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
3434 // UseCompressedOops and UseCompressedClassPointers must be on for UseSharedSpaces. |
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
3435 if (!UseCompressedOops || !UseCompressedClassPointers) { |
12056
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
3436 no_shared_spaces(); |
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
3437 } |
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
3438 #endif |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3439 } |
2362
a2c2eac1ca62
7018056: large pages not always enabled by default
jcoomes
parents:
2302
diff
changeset
|
3440 } |
1891
9de67bf4244d
6996136: VM crash in src/share/vm/runtime/virtualspace.cpp:424
iveresov
parents:
1890
diff
changeset
|
3441 |
9060
cc32ccaaf47f
8003310: Enable -Wunused-function when compiling with gcc
mikael
parents:
8847
diff
changeset
|
3442 #if !INCLUDE_ALL_GCS |
8086
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3443 static void force_serial_gc() { |
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3444 FLAG_SET_DEFAULT(UseSerialGC, true); |
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3445 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
|
3446 UNSUPPORTED_GC_OPTION(UseG1GC); |
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3447 UNSUPPORTED_GC_OPTION(UseParallelGC); |
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3448 UNSUPPORTED_GC_OPTION(UseParallelOldGC); |
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3449 UNSUPPORTED_GC_OPTION(UseConcMarkSweepGC); |
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3450 UNSUPPORTED_GC_OPTION(UseParNewGC); |
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3451 } |
9060
cc32ccaaf47f
8003310: Enable -Wunused-function when compiling with gcc
mikael
parents:
8847
diff
changeset
|
3452 #endif // INCLUDE_ALL_GCS |
8086
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3453 |
10270
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3454 // Sharing support |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3455 // Construct the path to the archive |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3456 static char* get_shared_archive_path() { |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3457 char *shared_archive_path; |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3458 if (SharedArchiveFile == NULL) { |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3459 char jvm_path[JVM_MAXPATHLEN]; |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3460 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
|
3461 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
|
3462 if (end != NULL) *end = '\0'; |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3463 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
|
3464 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
|
3465 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
|
3466 file_sep_len + 20, mtInternal); |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3467 if (shared_archive_path != NULL) { |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3468 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
|
3469 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
|
3470 strncat(shared_archive_path, "classes.jsa", 11); |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3471 } |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3472 } else { |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3473 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
|
3474 if (shared_archive_path != NULL) { |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3475 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
|
3476 } |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3477 } |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3478 return shared_archive_path; |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3479 } |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3480 |
12257
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3481 #ifndef PRODUCT |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3482 // 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
|
3483 static bool use_vm_log() { |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3484 if (LogCompilation || !FLAG_IS_DEFAULT(LogFile) || |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3485 PrintCompilation || PrintInlining || PrintDependencies || PrintNativeNMethods || |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3486 PrintDebugInfo || PrintRelocations || PrintNMethods || PrintExceptionHandlers || |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3487 PrintAssembly || TraceDeoptimization || TraceDependencies || |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3488 (VerifyDependencies && FLAG_IS_CMDLINE(VerifyDependencies))) { |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3489 return true; |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3490 } |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3491 |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3492 #ifdef COMPILER1 |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3493 if (PrintC1Statistics) { |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3494 return true; |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3495 } |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3496 #endif // COMPILER1 |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3497 |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3498 #ifdef COMPILER2 |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3499 if (PrintOptoAssembly || PrintOptoStatistics) { |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3500 return true; |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3501 } |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3502 #endif // COMPILER2 |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3503 |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3504 return false; |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3505 } |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3506 #endif // PRODUCT |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3507 |
0 | 3508 // Parse entry point called from JNI_CreateJavaVM |
3509 | |
3510 jint Arguments::parse(const JavaVMInitArgs* args) { | |
3511 | |
3512 // Remaining part of option string | |
3513 const char* tail; | |
3514 | |
3515 // 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
|
3516 const char* hotspotrc = ".hotspotrc"; |
0 | 3517 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
|
3518 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
|
3519 |
564 | 3520 const char* flags_file; |
0 | 3521 int index; |
3522 for (index = 0; index < args->nOptions; index++) { | |
3523 const JavaVMOption *option = args->options + index; | |
3524 if (match_option(option, "-XX:Flags=", &tail)) { | |
564 | 3525 flags_file = tail; |
0 | 3526 settings_file_specified = true; |
3527 } | |
3528 if (match_option(option, "-XX:+PrintVMOptions", &tail)) { | |
3529 PrintVMOptions = true; | |
3530 } | |
253
b0fe4deeb9fb
6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.")
kvn
parents:
196
diff
changeset
|
3531 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
|
3532 PrintVMOptions = false; |
b0fe4deeb9fb
6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.")
kvn
parents:
196
diff
changeset
|
3533 } |
564 | 3534 if (match_option(option, "-XX:+IgnoreUnrecognizedVMOptions", &tail)) { |
3535 IgnoreUnrecognizedVMOptions = true; | |
3536 } | |
3537 if (match_option(option, "-XX:-IgnoreUnrecognizedVMOptions", &tail)) { | |
3538 IgnoreUnrecognizedVMOptions = false; | |
3539 } | |
1150 | 3540 if (match_option(option, "-XX:+PrintFlagsInitial", &tail)) { |
4773 | 3541 CommandLineFlags::printFlags(tty, false); |
1150 | 3542 vm_exit(0); |
3543 } | |
6197 | 3544 if (match_option(option, "-XX:NativeMemoryTracking", &tail)) { |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3545 #if INCLUDE_NMT |
6197 | 3546 MemTracker::init_tracking_options(tail); |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3547 #else |
8720
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
3548 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
|
3549 "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
|
3550 return JNI_ERR; |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3551 #endif |
6197 | 3552 } |
3553 | |
1768
6ee479178066
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
1745
diff
changeset
|
3554 |
6ee479178066
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
1745
diff
changeset
|
3555 #ifndef PRODUCT |
6ee479178066
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
1745
diff
changeset
|
3556 if (match_option(option, "-XX:+PrintFlagsWithComments", &tail)) { |
4773 | 3557 CommandLineFlags::printFlags(tty, true); |
1768
6ee479178066
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
1745
diff
changeset
|
3558 vm_exit(0); |
6ee479178066
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
1745
diff
changeset
|
3559 } |
6ee479178066
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
1745
diff
changeset
|
3560 #endif |
564 | 3561 } |
3562 | |
3563 if (IgnoreUnrecognizedVMOptions) { | |
3564 // uncast const to modify the flag args->ignoreUnrecognized | |
3565 *(jboolean*)(&args->ignoreUnrecognized) = true; | |
3566 } | |
3567 | |
3568 // Parse specified settings file | |
3569 if (settings_file_specified) { | |
3570 if (!process_settings_file(flags_file, true, args->ignoreUnrecognized)) { | |
3571 return JNI_EINVAL; | |
3572 } | |
6196
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3573 } else { |
6150
1e76463170b3
7110720: Issue with vm config file loadingIssue with vm config file loading
kamg
parents:
4780
diff
changeset
|
3574 #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
|
3575 // Parse default .hotspotrc settings file |
0 | 3576 if (!process_settings_file(".hotspotrc", false, args->ignoreUnrecognized)) { |
3577 return JNI_EINVAL; | |
3578 } | |
6196
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3579 #else |
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3580 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
|
3581 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
|
3582 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
|
3583 } |
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3584 #endif |
0 | 3585 } |
3586 | |
3587 if (PrintVMOptions) { | |
3588 for (index = 0; index < args->nOptions; index++) { | |
3589 const JavaVMOption *option = args->options + index; | |
3590 if (match_option(option, "-XX:", &tail)) { | |
3591 logOption(tail); | |
3592 } | |
3593 } | |
3594 } | |
3595 | |
3596 // Parse JavaVMInitArgs structure passed in, as well as JAVA_TOOL_OPTIONS and _JAVA_OPTIONS | |
3597 jint result = parse_vm_init_args(args); | |
3598 if (result != JNI_OK) { | |
3599 return result; | |
3600 } | |
3601 | |
10270
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3602 // 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
|
3603 SharedArchivePath = get_shared_archive_path(); |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3604 if (SharedArchivePath == NULL) { |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3605 return JNI_ENOMEM; |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3606 } |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3607 |
6196
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3608 // 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
|
3609 // 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
|
3610 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
|
3611 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
|
3612 "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
|
3613 hotspotrc, hotspotrc); |
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3614 } |
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3615 |
6917
e81fbc04a942
7191817: -XX:+UseSerialGC -XX:+UseLargePages crashes with SIGFPE on MacOS X
coleenp
parents:
6916
diff
changeset
|
3616 #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
|
3617 UNSUPPORTED_OPTION(UseLargePages, "-XX:+UseLargePages"); |
e81fbc04a942
7191817: -XX:+UseSerialGC -XX:+UseLargePages crashes with SIGFPE on MacOS X
coleenp
parents:
6916
diff
changeset
|
3618 #endif |
e81fbc04a942
7191817: -XX:+UseSerialGC -XX:+UseLargePages crashes with SIGFPE on MacOS X
coleenp
parents:
6916
diff
changeset
|
3619 |
8086
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3620 #if INCLUDE_ALL_GCS |
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3621 #if (defined JAVASE_EMBEDDED || defined ARM) |
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3622 UNSUPPORTED_OPTION(UseG1GC, "G1 GC"); |
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3623 #endif |
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3624 #endif |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3625 |
0 | 3626 #ifndef PRODUCT |
3627 if (TraceBytecodesAt != 0) { | |
3628 TraceBytecodes = true; | |
3629 } | |
3630 if (CountCompiledCalls) { | |
3631 if (UseCounterDecay) { | |
3632 warning("UseCounterDecay disabled because CountCalls is set"); | |
3633 UseCounterDecay = false; | |
3634 } | |
3635 } | |
3636 #endif // PRODUCT | |
3637 | |
2416
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3638 // 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
|
3639 if (!JDK_Version::is_gte_jdk17x_version()) { |
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3640 if (EnableInvokeDynamic) { |
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3641 if (!FLAG_IS_DEFAULT(EnableInvokeDynamic)) { |
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3642 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
|
3643 } |
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3644 EnableInvokeDynamic = false; |
710 | 3645 } |
3646 } | |
2416
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3647 |
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3648 if (EnableInvokeDynamic && ScavengeRootsInCode == 0) { |
989
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
932
diff
changeset
|
3649 if (!FLAG_IS_DEFAULT(ScavengeRootsInCode)) { |
2416
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3650 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
|
3651 } |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
932
diff
changeset
|
3652 ScavengeRootsInCode = 1; |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
932
diff
changeset
|
3653 } |
710 | 3654 |
0 | 3655 if (PrintGCDetails) { |
3656 // Turn on -verbose:gc options as well | |
3657 PrintGC = true; | |
3658 } | |
3659 | |
6064
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
3660 if (!JDK_Version::is_gte_jdk18x_version()) { |
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
3661 // 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
|
3662 // true by default in JDK8 and above. |
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
3663 if (FLAG_IS_DEFAULT(PrintGCCause)) { |
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
3664 FLAG_SET_DEFAULT(PrintGCCause, false); |
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
3665 } |
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
3666 } |
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
3667 |
1571
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
3668 // 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
|
3669 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
|
3670 |
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
3671 #if !INCLUDE_ALL_GCS |
1064 | 3672 force_serial_gc(); |
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
3673 #endif // INCLUDE_ALL_GCS |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3674 #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
|
3675 if (DumpSharedSpaces || RequireSharedSpaces) { |
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
3676 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
|
3677 "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
|
3678 return JNI_ERR; |
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
3679 } |
8724
69ffa4ac9e53
8009835: Only produce a warning when -Xshare:auto is explicitly requested
jprovino
parents:
8720
diff
changeset
|
3680 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
|
3681 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
|
3682 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
|
3683 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
|
3684 } |
0 | 3685 no_shared_spaces(); |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3686 #endif // INCLUDE_CDS |
0 | 3687 |
12233
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
3688 return JNI_OK; |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
3689 } |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
3690 |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
3691 jint Arguments::apply_ergo() { |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
3692 |
0 | 3693 // Set flags based on ergonomics. |
3694 set_ergonomics_flags(); | |
3695 | |
2362
a2c2eac1ca62
7018056: large pages not always enabled by default
jcoomes
parents:
2302
diff
changeset
|
3696 set_shared_spaces_flags(); |
1135
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1131
diff
changeset
|
3697 |
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
3698 // Check the GC selections again. |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
3699 if (!check_gc_consistency()) { |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
3700 return JNI_EINVAL; |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
3701 } |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
3702 |
1783 | 3703 if (TieredCompilation) { |
3704 set_tiered_flags(); | |
3705 } else { | |
3706 // Check if the policy is valid. Policies 0 and 1 are valid for non-tiered setup. | |
3707 if (CompilationPolicyChoice >= 2) { | |
3708 vm_exit_during_initialization( | |
3709 "Incompatible compilation policy selected", NULL); | |
3710 } | |
3711 } | |
13074
78da3894b86f
8027593: performance drop with constrained codecache starting with hs25 b111
anoll
parents:
13008
diff
changeset
|
3712 // 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
|
3713 if (FLAG_IS_DEFAULT(NmethodSweepFraction)) { |
78da3894b86f
8027593: performance drop with constrained codecache starting with hs25 b111
anoll
parents:
13008
diff
changeset
|
3714 FLAG_SET_DEFAULT(NmethodSweepFraction, 1 + ReservedCodeCacheSize / (16 * M)); |
78da3894b86f
8027593: performance drop with constrained codecache starting with hs25 b111
anoll
parents:
13008
diff
changeset
|
3715 } |
78da3894b86f
8027593: performance drop with constrained codecache starting with hs25 b111
anoll
parents:
13008
diff
changeset
|
3716 |
1783 | 3717 |
2368
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
3718 // Set heap size based on available physical memory |
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
3719 set_heap_size(); |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3720 |
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
3721 #if INCLUDE_ALL_GCS |
2368
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
3722 // Set per-collector flags |
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
3723 if (UseParallelGC || UseParallelOldGC) { |
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
3724 set_parallel_gc_flags(); |
17648
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
3725 } 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
|
3726 set_cms_and_parnew_gc_flags(); |
17648
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
3727 } 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
|
3728 set_parnew_gc_flags(); |
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
3729 } else if (UseG1GC) { |
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
3730 set_g1_gc_flags(); |
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
3731 } |
7452
e0ab18eafbde
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
7451
diff
changeset
|
3732 check_deprecated_gcs(); |
8734 | 3733 check_deprecated_gc_flags(); |
8845
1b90c7607451
2178143: JVM crashes if the number of bound CPUs changed during runtime
minqi
parents:
8819
diff
changeset
|
3734 if (AssumeMP && !UseSerialGC) { |
1b90c7607451
2178143: JVM crashes if the number of bound CPUs changed during runtime
minqi
parents:
8819
diff
changeset
|
3735 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
|
3736 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
|
3737 " 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
|
3738 " using -XX:ParallelGCThreads=N"); |
1b90c7607451
2178143: JVM crashes if the number of bound CPUs changed during runtime
minqi
parents:
8819
diff
changeset
|
3739 } |
1b90c7607451
2178143: JVM crashes if the number of bound CPUs changed during runtime
minqi
parents:
8819
diff
changeset
|
3740 } |
17648
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
3741 if (MinHeapFreeRatio == 100) { |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
3742 // Keeping the heap 100% free is hard ;-) so limit it to 99%. |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
3743 FLAG_SET_ERGO(uintx, MinHeapFreeRatio, 99); |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
3744 } |
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
3745 #else // INCLUDE_ALL_GCS |
0 | 3746 assert(verify_serial_gc_flags(), "SerialGC unset"); |
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
3747 #endif // INCLUDE_ALL_GCS |
0 | 3748 |
12838
85c1ca43713f
8024547: MaxMetaspaceSize should limit the committed memory used by the metaspaces
stefank
parents:
12831
diff
changeset
|
3749 // Initialize Metaspace flags and alignments. |
85c1ca43713f
8024547: MaxMetaspaceSize should limit the committed memory used by the metaspaces
stefank
parents:
12831
diff
changeset
|
3750 Metaspace::ergo_initialize(); |
85c1ca43713f
8024547: MaxMetaspaceSize should limit the committed memory used by the metaspaces
stefank
parents:
12831
diff
changeset
|
3751 |
0 | 3752 // Set bytecode rewriting flags |
3753 set_bytecode_flags(); | |
3754 | |
3755 // Set flags if Aggressive optimization flags (-XX:+AggressiveOpts) enabled. | |
3756 set_aggressive_opts_flags(); | |
3757 | |
2239
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3758 // Turn off biased locking for locking debug mode flags, |
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3759 // 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
|
3760 // biased locking. |
2331 | 3761 if (UseHeavyMonitors |
3762 #ifdef COMPILER1 | |
3763 || !UseFastLocking | |
3764 #endif // COMPILER1 | |
3765 ) { | |
2239
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3766 if (!FLAG_IS_DEFAULT(UseBiasedLocking) && UseBiasedLocking) { |
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3767 // 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
|
3768 // can't enable biased locking here |
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3769 warning("Biased Locking is not supported with locking debug flags" |
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3770 "; ignoring UseBiasedLocking flag." ); |
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3771 } |
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3772 UseBiasedLocking = false; |
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3773 } |
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3774 |
14420
abe03600372a
8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents:
14412
diff
changeset
|
3775 #ifdef ZERO |
abe03600372a
8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents:
14412
diff
changeset
|
3776 // Clear flags not supported on zero. |
1131 | 3777 FLAG_SET_DEFAULT(ProfileInterpreter, false); |
0 | 3778 FLAG_SET_DEFAULT(UseBiasedLocking, false); |
1131 | 3779 LP64_ONLY(FLAG_SET_DEFAULT(UseCompressedOops, false)); |
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
3780 LP64_ONLY(FLAG_SET_DEFAULT(UseCompressedClassPointers, false)); |
1131 | 3781 #endif // CC_INTERP |
3782 | |
420
a1980da045cc
6462850: generate biased locking code in C2 ideal graph
kvn
parents:
416
diff
changeset
|
3783 #ifdef COMPILER2 |
4777 | 3784 if (!EliminateLocks) { |
3785 EliminateNestedLocks = false; | |
3786 } | |
7473 | 3787 if (!Inline) { |
3788 IncrementalInline = false; | |
3789 } | |
3790 #ifndef PRODUCT | |
3791 if (!IncrementalInline) { | |
3792 AlwaysIncrementalInline = false; | |
3793 } | |
3794 #endif | |
3795 if (IncrementalInline && FLAG_IS_DEFAULT(MaxNodeLimit)) { | |
3796 // incremental inlining: bump MaxNodeLimit | |
3797 FLAG_SET_DEFAULT(MaxNodeLimit, (intx)75000); | |
3798 } | |
12966 | 3799 if (!UseTypeSpeculation && FLAG_IS_DEFAULT(TypeProfileLevel)) { |
3800 // nothing to use the profiling, turn if off | |
3801 FLAG_SET_DEFAULT(TypeProfileLevel, 0); | |
3802 } | |
3803 if (UseTypeSpeculation && FLAG_IS_DEFAULT(ReplaceInParentMaps)) { | |
3804 // Doing the replace in parent maps helps speculation | |
3805 FLAG_SET_DEFAULT(ReplaceInParentMaps, true); | |
3806 } | |
420
a1980da045cc
6462850: generate biased locking code in C2 ideal graph
kvn
parents:
416
diff
changeset
|
3807 #endif |
a1980da045cc
6462850: generate biased locking code in C2 ideal graph
kvn
parents:
416
diff
changeset
|
3808 |
1155
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1150
diff
changeset
|
3809 if (PrintAssembly && FLAG_IS_DEFAULT(DebugNonSafepoints)) { |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1150
diff
changeset
|
3810 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
|
3811 DebugNonSafepoints = true; |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1150
diff
changeset
|
3812 } |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1150
diff
changeset
|
3813 |
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
3814 if (FLAG_IS_CMDLINE(CompressedClassSpaceSize) && !UseCompressedClassPointers) { |
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
3815 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
|
3816 } |
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
3817 |
1188
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
3818 #ifndef PRODUCT |
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
3819 if (CompileTheWorld) { |
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
3820 // 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
|
3821 if (FLAG_IS_DEFAULT(NmethodSweepFraction)) { |
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
3822 NmethodSweepFraction = 1; |
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
3823 } |
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
3824 } |
12257
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3825 |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3826 if (!LogVMOutput && FLAG_IS_DEFAULT(LogVMOutput)) { |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3827 if (use_vm_log()) { |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3828 LogVMOutput = true; |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3829 } |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3830 } |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3831 #endif // PRODUCT |
1188
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
3832 |
0 | 3833 if (PrintCommandLineFlags) { |
4773 | 3834 CommandLineFlags::printSetFlags(tty); |
0 | 3835 } |
3836 | |
1681
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3837 // Apply CPU specific policy for the BiasedLocking |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3838 if (UseBiasedLocking) { |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3839 if (!VM_Version::use_biased_locking() && |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3840 !(FLAG_IS_CMDLINE(UseBiasedLocking))) { |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3841 UseBiasedLocking = false; |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3842 } |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3843 } |
17780 | 3844 #ifdef COMPILER2 |
3845 if (!UseBiasedLocking || EmitSync != 0) { | |
3846 UseOptoBiasInlining = false; | |
3847 } | |
3848 #endif | |
1681
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3849 |
2302
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
3850 // set PauseAtExit if the gamma launcher was used and a debugger is attached |
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
3851 // but only if not already set on the commandline |
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
3852 if (Arguments::created_by_gamma_launcher() && os::is_debugger_attached()) { |
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
3853 bool set = false; |
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
3854 CommandLineFlags::wasSetOnCmdline("PauseAtExit", &set); |
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
3855 if (!set) { |
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
3856 FLAG_SET_DEFAULT(PauseAtExit, true); |
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
3857 } |
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
3858 } |
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
3859 |
0 | 3860 return JNI_OK; |
3861 } | |
3862 | |
7177
53715fb1597d
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
6982
diff
changeset
|
3863 jint Arguments::adjust_after_os() { |
20241 | 3864 if (UseNUMA) { |
3865 if (UseParallelGC || UseParallelOldGC) { | |
7177
53715fb1597d
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
6982
diff
changeset
|
3866 if (FLAG_IS_DEFAULT(MinHeapDeltaBytes)) { |
20241 | 3867 FLAG_SET_DEFAULT(MinHeapDeltaBytes, 64*M); |
7177
53715fb1597d
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
6982
diff
changeset
|
3868 } |
20241 | 3869 } |
3870 // UseNUMAInterleaving is set to ON for all collectors and | |
3871 // platforms when UseNUMA is set to ON. NUMA-aware collectors | |
3872 // such as the parallel collector for Linux and Solaris will | |
3873 // interleave old gen and survivor spaces on top of NUMA | |
3874 // allocation policy for the eden space. | |
3875 // Non NUMA-aware collectors such as CMS, G1 and Serial-GC on | |
3876 // all platforms and ParallelGC on Windows will interleave all | |
3877 // of the heap spaces across NUMA nodes. | |
3878 if (FLAG_IS_DEFAULT(UseNUMAInterleaving)) { | |
3879 FLAG_SET_ERGO(bool, UseNUMAInterleaving, true); | |
7177
53715fb1597d
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
6982
diff
changeset
|
3880 } |
53715fb1597d
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
6982
diff
changeset
|
3881 } |
53715fb1597d
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
6982
diff
changeset
|
3882 return JNI_OK; |
53715fb1597d
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
6982
diff
changeset
|
3883 } |
53715fb1597d
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
6982
diff
changeset
|
3884 |
0 | 3885 int Arguments::PropertyList_count(SystemProperty* pl) { |
3886 int count = 0; | |
3887 while(pl != NULL) { | |
3888 count++; | |
3889 pl = pl->next(); | |
3890 } | |
3891 return count; | |
3892 } | |
3893 | |
3894 const char* Arguments::PropertyList_get_value(SystemProperty *pl, const char* key) { | |
3895 assert(key != NULL, "just checking"); | |
3896 SystemProperty* prop; | |
3897 for (prop = pl; prop != NULL; prop = prop->next()) { | |
3898 if (strcmp(key, prop->key()) == 0) return prop->value(); | |
3899 } | |
3900 return NULL; | |
3901 } | |
3902 | |
3903 const char* Arguments::PropertyList_get_key_at(SystemProperty *pl, int index) { | |
3904 int count = 0; | |
3905 const char* ret_val = NULL; | |
3906 | |
3907 while(pl != NULL) { | |
3908 if(count >= index) { | |
3909 ret_val = pl->key(); | |
3910 break; | |
3911 } | |
3912 count++; | |
3913 pl = pl->next(); | |
3914 } | |
3915 | |
3916 return ret_val; | |
3917 } | |
3918 | |
3919 char* Arguments::PropertyList_get_value_at(SystemProperty* pl, int index) { | |
3920 int count = 0; | |
3921 char* ret_val = NULL; | |
3922 | |
3923 while(pl != NULL) { | |
3924 if(count >= index) { | |
3925 ret_val = pl->value(); | |
3926 break; | |
3927 } | |
3928 count++; | |
3929 pl = pl->next(); | |
3930 } | |
3931 | |
3932 return ret_val; | |
3933 } | |
3934 | |
3935 void Arguments::PropertyList_add(SystemProperty** plist, SystemProperty *new_p) { | |
3936 SystemProperty* p = *plist; | |
3937 if (p == NULL) { | |
3938 *plist = new_p; | |
3939 } else { | |
3940 while (p->next() != NULL) { | |
3941 p = p->next(); | |
3942 } | |
3943 p->set_next(new_p); | |
3944 } | |
3945 } | |
3946 | |
3947 void Arguments::PropertyList_add(SystemProperty** plist, const char* k, char* v) { | |
3948 if (plist == NULL) | |
3949 return; | |
3950 | |
3951 SystemProperty* new_p = new SystemProperty(k, v, true); | |
3952 PropertyList_add(plist, new_p); | |
3953 } | |
3954 | |
3955 // This add maintains unique property key in the list. | |
691 | 3956 void Arguments::PropertyList_unique_add(SystemProperty** plist, const char* k, char* v, jboolean append) { |
0 | 3957 if (plist == NULL) |
3958 return; | |
3959 | |
3960 // If property key exist then update with new value. | |
3961 SystemProperty* prop; | |
3962 for (prop = *plist; prop != NULL; prop = prop->next()) { | |
3963 if (strcmp(k, prop->key()) == 0) { | |
691 | 3964 if (append) { |
3965 prop->append_value(v); | |
3966 } else { | |
3967 prop->set_value(v); | |
3968 } | |
0 | 3969 return; |
3970 } | |
3971 } | |
3972 | |
3973 PropertyList_add(plist, k, v); | |
3974 } | |
3975 | |
3976 // Copies src into buf, replacing "%%" with "%" and "%p" with pid | |
3977 // Returns true if all of the source pointed by src has been copied over to | |
3978 // the destination buffer pointed by buf. Otherwise, returns false. | |
3979 // Notes: | |
3980 // 1. If the length (buflen) of the destination buffer excluding the | |
3981 // NULL terminator character is not long enough for holding the expanded | |
3982 // pid characters, it also returns false instead of returning the partially | |
3983 // expanded one. | |
3984 // 2. The passed in "buflen" should be large enough to hold the null terminator. | |
3985 bool Arguments::copy_expand_pid(const char* src, size_t srclen, | |
3986 char* buf, size_t buflen) { | |
3987 const char* p = src; | |
3988 char* b = buf; | |
3989 const char* src_end = &src[srclen]; | |
3990 char* buf_end = &buf[buflen - 1]; | |
3991 | |
3992 while (p < src_end && b < buf_end) { | |
3993 if (*p == '%') { | |
3994 switch (*(++p)) { | |
3995 case '%': // "%%" ==> "%" | |
3996 *b++ = *p++; | |
3997 break; | |
3998 case 'p': { // "%p" ==> current process id | |
3999 // buf_end points to the character before the last character so | |
4000 // that we could write '\0' to the end of the buffer. | |
4001 size_t buf_sz = buf_end - b + 1; | |
4002 int ret = jio_snprintf(b, buf_sz, "%d", os::current_process_id()); | |
4003 | |
4004 // if jio_snprintf fails or the buffer is not long enough to hold | |
4005 // the expanded pid, returns false. | |
4006 if (ret < 0 || ret >= (int)buf_sz) { | |
4007 return false; | |
4008 } else { | |
4009 b += ret; | |
4010 assert(*b == '\0', "fail in copy_expand_pid"); | |
4011 if (p == src_end && b == buf_end + 1) { | |
4012 // reach the end of the buffer. | |
4013 return true; | |
4014 } | |
4015 } | |
4016 p++; | |
4017 break; | |
4018 } | |
4019 default : | |
4020 *b++ = '%'; | |
4021 } | |
4022 } else { | |
4023 *b++ = *p++; | |
4024 } | |
4025 } | |
4026 *b = '\0'; | |
4027 return (p == src_end); // return false if not all of the source was copied | |
4028 } |