Mercurial > hg > graal-jvmci-8
annotate src/share/vm/runtime/arguments.cpp @ 22877:d68158e12cea
8043224: -Xcheck:jni improvements to exception checking and excessive local refs
Summary: Warning when not checking exceptions from function that require so, also when local refs expand beyond capacity.
Reviewed-by: dsimms
author | poonam |
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date | Wed, 11 Mar 2015 13:36:57 -0700 |
parents | 1f60a119863a |
children | 4b8dc0e79adb 8f07afdc1cd1 |
rev | line source |
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0 | 1 /* |
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2 * Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved. |
0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
4 * | |
5 * This code is free software; you can redistribute it and/or modify it | |
6 * under the terms of the GNU General Public License version 2 only, as | |
7 * published by the Free Software Foundation. | |
8 * | |
9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
12 * version 2 for more details (a copy is included in the LICENSE file that | |
13 * accompanied this code). | |
14 * | |
15 * You should have received a copy of the GNU General Public License version | |
16 * 2 along with this work; if not, write to the Free Software Foundation, | |
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
18 * | |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
0 | 22 * |
23 */ | |
24 | |
1972 | 25 #include "precompiled.hpp" |
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26 #include "classfile/classLoader.hpp" |
1972 | 27 #include "classfile/javaAssertions.hpp" |
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28 #include "classfile/symbolTable.hpp" |
1972 | 29 #include "compiler/compilerOracle.hpp" |
30 #include "memory/allocation.inline.hpp" | |
31 #include "memory/cardTableRS.hpp" | |
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32 #include "memory/genCollectedHeap.hpp" |
1972 | 33 #include "memory/referenceProcessor.hpp" |
34 #include "memory/universe.inline.hpp" | |
35 #include "oops/oop.inline.hpp" | |
36 #include "prims/jvmtiExport.hpp" | |
37 #include "runtime/arguments.hpp" | |
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38 #include "runtime/arguments_ext.hpp" |
1972 | 39 #include "runtime/globals_extension.hpp" |
40 #include "runtime/java.hpp" | |
41 #include "services/management.hpp" | |
6197 | 42 #include "services/memTracker.hpp" |
1972 | 43 #include "utilities/defaultStream.hpp" |
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44 #include "utilities/macros.hpp" |
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45 #include "utilities/stringUtils.hpp" |
1972 | 46 #include "utilities/taskqueue.hpp" |
47 #ifdef TARGET_OS_FAMILY_linux | |
48 # include "os_linux.inline.hpp" | |
49 #endif | |
50 #ifdef TARGET_OS_FAMILY_solaris | |
51 # include "os_solaris.inline.hpp" | |
52 #endif | |
53 #ifdef TARGET_OS_FAMILY_windows | |
54 # include "os_windows.inline.hpp" | |
55 #endif | |
14411 | 56 #ifdef TARGET_OS_FAMILY_aix |
57 # include "os_aix.inline.hpp" | |
58 #endif | |
3960 | 59 #ifdef TARGET_OS_FAMILY_bsd |
60 # include "os_bsd.inline.hpp" | |
61 #endif | |
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62 #if INCLUDE_ALL_GCS |
1972 | 63 #include "gc_implementation/concurrentMarkSweep/compactibleFreeListSpace.hpp" |
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64 #include "gc_implementation/g1/g1CollectedHeap.inline.hpp" |
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65 #include "gc_implementation/parallelScavenge/parallelScavengeHeap.hpp" |
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66 #endif // INCLUDE_ALL_GCS |
0 | 67 |
2474 | 68 // Note: This is a special bug reporting site for the JVM |
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69 #define DEFAULT_VENDOR_URL_BUG "http://bugreport.java.com/bugreport/crash.jsp" |
0 | 70 #define DEFAULT_JAVA_LAUNCHER "generic" |
71 | |
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72 // Disable options not supported in this release, with a warning if they |
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73 // were explicitly requested on the command-line |
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74 #define UNSUPPORTED_OPTION(opt, description) \ |
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75 do { \ |
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76 if (opt) { \ |
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77 if (FLAG_IS_CMDLINE(opt)) { \ |
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78 warning(description " is disabled in this release."); \ |
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79 } \ |
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80 FLAG_SET_DEFAULT(opt, false); \ |
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81 } \ |
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82 } while(0) |
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83 |
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84 #define UNSUPPORTED_GC_OPTION(gc) \ |
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85 do { \ |
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86 if (gc) { \ |
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87 if (FLAG_IS_CMDLINE(gc)) { \ |
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88 warning(#gc " is not supported in this VM. Using Serial GC."); \ |
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89 } \ |
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90 FLAG_SET_DEFAULT(gc, false); \ |
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91 } \ |
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92 } while(0) |
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93 |
0 | 94 char** Arguments::_jvm_flags_array = NULL; |
95 int Arguments::_num_jvm_flags = 0; | |
96 char** Arguments::_jvm_args_array = NULL; | |
97 int Arguments::_num_jvm_args = 0; | |
98 char* Arguments::_java_command = NULL; | |
99 SystemProperty* Arguments::_system_properties = NULL; | |
100 const char* Arguments::_gc_log_filename = NULL; | |
101 bool Arguments::_has_profile = false; | |
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102 size_t Arguments::_conservative_max_heap_alignment = 0; |
0 | 103 uintx Arguments::_min_heap_size = 0; |
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104 uintx Arguments::_min_heap_free_ratio = 0; |
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105 uintx Arguments::_max_heap_free_ratio = 0; |
0 | 106 Arguments::Mode Arguments::_mode = _mixed; |
107 bool Arguments::_java_compiler = false; | |
108 bool Arguments::_xdebug_mode = false; | |
109 const char* Arguments::_java_vendor_url_bug = DEFAULT_VENDOR_URL_BUG; | |
110 const char* Arguments::_sun_java_launcher = DEFAULT_JAVA_LAUNCHER; | |
111 int Arguments::_sun_java_launcher_pid = -1; | |
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112 bool Arguments::_created_by_gamma_launcher = false; |
0 | 113 |
114 // These parameters are reset in method parse_vm_init_args(JavaVMInitArgs*) | |
115 bool Arguments::_AlwaysCompileLoopMethods = AlwaysCompileLoopMethods; | |
116 bool Arguments::_UseOnStackReplacement = UseOnStackReplacement; | |
117 bool Arguments::_BackgroundCompilation = BackgroundCompilation; | |
118 bool Arguments::_ClipInlining = ClipInlining; | |
119 | |
120 char* Arguments::SharedArchivePath = NULL; | |
121 | |
122 AgentLibraryList Arguments::_libraryList; | |
123 AgentLibraryList Arguments::_agentList; | |
124 | |
125 abort_hook_t Arguments::_abort_hook = NULL; | |
126 exit_hook_t Arguments::_exit_hook = NULL; | |
127 vfprintf_hook_t Arguments::_vfprintf_hook = NULL; | |
128 | |
129 | |
130 SystemProperty *Arguments::_java_ext_dirs = NULL; | |
131 SystemProperty *Arguments::_java_endorsed_dirs = NULL; | |
132 SystemProperty *Arguments::_sun_boot_library_path = NULL; | |
133 SystemProperty *Arguments::_java_library_path = NULL; | |
134 SystemProperty *Arguments::_java_home = NULL; | |
135 SystemProperty *Arguments::_java_class_path = NULL; | |
136 SystemProperty *Arguments::_sun_boot_class_path = NULL; | |
137 | |
138 char* Arguments::_meta_index_path = NULL; | |
139 char* Arguments::_meta_index_dir = NULL; | |
140 | |
141 // Check if head of 'option' matches 'name', and sets 'tail' remaining part of option string | |
142 | |
143 static bool match_option(const JavaVMOption *option, const char* name, | |
144 const char** tail) { | |
145 int len = (int)strlen(name); | |
146 if (strncmp(option->optionString, name, len) == 0) { | |
147 *tail = option->optionString + len; | |
148 return true; | |
149 } else { | |
150 return false; | |
151 } | |
152 } | |
153 | |
154 static void logOption(const char* opt) { | |
155 if (PrintVMOptions) { | |
156 jio_fprintf(defaultStream::output_stream(), "VM option '%s'\n", opt); | |
157 } | |
158 } | |
159 | |
160 // Process java launcher properties. | |
161 void Arguments::process_sun_java_launcher_properties(JavaVMInitArgs* args) { | |
162 // See if sun.java.launcher or sun.java.launcher.pid is defined. | |
163 // Must do this before setting up other system properties, | |
164 // as some of them may depend on launcher type. | |
165 for (int index = 0; index < args->nOptions; index++) { | |
166 const JavaVMOption* option = args->options + index; | |
167 const char* tail; | |
168 | |
169 if (match_option(option, "-Dsun.java.launcher=", &tail)) { | |
170 process_java_launcher_argument(tail, option->extraInfo); | |
171 continue; | |
172 } | |
173 if (match_option(option, "-Dsun.java.launcher.pid=", &tail)) { | |
174 _sun_java_launcher_pid = atoi(tail); | |
175 continue; | |
176 } | |
177 } | |
178 } | |
179 | |
180 // Initialize system properties key and value. | |
181 void Arguments::init_system_properties() { | |
182 | |
183 PropertyList_add(&_system_properties, new SystemProperty("java.vm.specification.name", | |
184 "Java Virtual Machine Specification", false)); | |
185 PropertyList_add(&_system_properties, new SystemProperty("java.vm.version", VM_Version::vm_release(), false)); | |
186 PropertyList_add(&_system_properties, new SystemProperty("java.vm.name", VM_Version::vm_name(), false)); | |
187 PropertyList_add(&_system_properties, new SystemProperty("java.vm.info", VM_Version::vm_info_string(), true)); | |
188 | |
189 // following are JVMTI agent writeable properties. | |
190 // Properties values are set to NULL and they are | |
191 // os specific they are initialized in os::init_system_properties_values(). | |
192 _java_ext_dirs = new SystemProperty("java.ext.dirs", NULL, true); | |
193 _java_endorsed_dirs = new SystemProperty("java.endorsed.dirs", NULL, true); | |
194 _sun_boot_library_path = new SystemProperty("sun.boot.library.path", NULL, true); | |
195 _java_library_path = new SystemProperty("java.library.path", NULL, true); | |
196 _java_home = new SystemProperty("java.home", NULL, true); | |
197 _sun_boot_class_path = new SystemProperty("sun.boot.class.path", NULL, true); | |
198 | |
199 _java_class_path = new SystemProperty("java.class.path", "", true); | |
200 | |
201 // Add to System Property list. | |
202 PropertyList_add(&_system_properties, _java_ext_dirs); | |
203 PropertyList_add(&_system_properties, _java_endorsed_dirs); | |
204 PropertyList_add(&_system_properties, _sun_boot_library_path); | |
205 PropertyList_add(&_system_properties, _java_library_path); | |
206 PropertyList_add(&_system_properties, _java_home); | |
207 PropertyList_add(&_system_properties, _java_class_path); | |
208 PropertyList_add(&_system_properties, _sun_boot_class_path); | |
209 | |
210 // Set OS specific system properties values | |
211 os::init_system_properties_values(); | |
212 } | |
213 | |
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214 |
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215 // Update/Initialize System properties after JDK version number is known |
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216 void Arguments::init_version_specific_system_properties() { |
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217 enum { bufsz = 16 }; |
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218 char buffer[bufsz]; |
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219 const char* spec_vendor = "Sun Microsystems Inc."; |
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220 uint32_t spec_version = 0; |
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221 |
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222 if (JDK_Version::is_gte_jdk17x_version()) { |
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223 spec_vendor = "Oracle Corporation"; |
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224 spec_version = JDK_Version::current().major_version(); |
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225 } |
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226 jio_snprintf(buffer, bufsz, "1." UINT32_FORMAT, spec_version); |
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227 |
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228 PropertyList_add(&_system_properties, |
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229 new SystemProperty("java.vm.specification.vendor", spec_vendor, false)); |
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230 PropertyList_add(&_system_properties, |
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231 new SystemProperty("java.vm.specification.version", buffer, false)); |
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232 PropertyList_add(&_system_properties, |
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233 new SystemProperty("java.vm.vendor", VM_Version::vm_vendor(), false)); |
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234 } |
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235 |
242 | 236 /** |
237 * Provide a slightly more user-friendly way of eliminating -XX flags. | |
238 * When a flag is eliminated, it can be added to this list in order to | |
239 * continue accepting this flag on the command-line, while issuing a warning | |
240 * and ignoring the value. Once the JDK version reaches the 'accept_until' | |
241 * limit, we flatly refuse to admit the existence of the flag. This allows | |
242 * a flag to die correctly over JDK releases using HSX. | |
243 */ | |
244 typedef struct { | |
245 const char* name; | |
246 JDK_Version obsoleted_in; // when the flag went away | |
247 JDK_Version accept_until; // which version to start denying the existence | |
248 } ObsoleteFlag; | |
0 | 249 |
242 | 250 static ObsoleteFlag obsolete_jvm_flags[] = { |
251 { "UseTrainGC", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
252 { "UseSpecialLargeObjectHandling", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
253 { "UseOversizedCarHandling", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
254 { "TraceCarAllocation", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
255 { "PrintTrainGCProcessingStats", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
256 { "LogOfCarSpaceSize", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
257 { "OversizedCarThreshold", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
258 { "MinTickInterval", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
259 { "DefaultTickInterval", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
260 { "MaxTickInterval", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
261 { "DelayTickAdjustment", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
262 { "ProcessingToTenuringRatio", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
263 { "MinTrainLength", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
264 { "AppendRatio", JDK_Version::jdk_update(6,10), JDK_Version::jdk(7) }, | |
1064 | 265 { "DefaultMaxRAM", JDK_Version::jdk_update(6,18), JDK_Version::jdk(7) }, |
266 { "DefaultInitialRAMFraction", | |
267 JDK_Version::jdk_update(6,18), JDK_Version::jdk(7) }, | |
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268 { "UseDepthFirstScavengeOrder", |
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269 JDK_Version::jdk_update(6,22), JDK_Version::jdk(7) }, |
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270 { "HandlePromotionFailure", |
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271 JDK_Version::jdk_update(6,24), JDK_Version::jdk(8) }, |
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272 { "MaxLiveObjectEvacuationRatio", |
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273 JDK_Version::jdk_update(6,24), JDK_Version::jdk(8) }, |
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274 { "ForceSharedSpaces", JDK_Version::jdk_update(6,25), JDK_Version::jdk(8) }, |
3251
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275 { "UseParallelOldGCCompacting", |
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276 JDK_Version::jdk_update(6,27), JDK_Version::jdk(8) }, |
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277 { "UseParallelDensePrefixUpdate", |
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278 JDK_Version::jdk_update(6,27), JDK_Version::jdk(8) }, |
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279 { "UseParallelOldGCDensePrefix", |
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280 JDK_Version::jdk_update(6,27), JDK_Version::jdk(8) }, |
2460 | 281 { "AllowTransitionalJSR292", JDK_Version::jdk(7), JDK_Version::jdk(8) }, |
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282 { "UseCompressedStrings", JDK_Version::jdk(7), JDK_Version::jdk(8) }, |
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283 { "CMSPermGenPrecleaningEnabled", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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284 { "CMSTriggerPermRatio", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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285 { "CMSInitiatingPermOccupancyFraction", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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286 { "AdaptivePermSizeWeight", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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287 { "PermGenPadding", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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288 { "PermMarkSweepDeadRatio", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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289 { "PermSize", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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290 { "MaxPermSize", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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291 { "MinPermHeapExpansion", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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292 { "MaxPermHeapExpansion", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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293 { "CMSRevisitStackSize", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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294 { "PrintRevisitStats", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
6916 | 295 { "UseVectoredExceptions", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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296 { "UseSplitVerifier", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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297 { "UseISM", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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298 { "UsePermISM", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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299 { "UseMPSS", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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300 { "UseStringCache", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
17672 | 301 { "UseOldInlining", JDK_Version::jdk(9), JDK_Version::jdk(10) }, |
20360 | 302 { "AutoShutdownNMT", JDK_Version::jdk(9), JDK_Version::jdk(10) }, |
20575 | 303 { "CompilationRepeat", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
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304 #ifdef PRODUCT |
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305 { "DesiredMethodLimit", |
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306 JDK_Version::jdk_update(7, 2), JDK_Version::jdk(8) }, |
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307 #endif // PRODUCT |
242 | 308 { NULL, JDK_Version(0), JDK_Version(0) } |
309 }; | |
310 | |
311 // Returns true if the flag is obsolete and fits into the range specified | |
312 // for being ignored. In the case that the flag is ignored, the 'version' | |
313 // value is filled in with the version number when the flag became | |
314 // obsolete so that that value can be displayed to the user. | |
315 bool Arguments::is_newly_obsolete(const char *s, JDK_Version* version) { | |
0 | 316 int i = 0; |
242 | 317 assert(version != NULL, "Must provide a version buffer"); |
318 while (obsolete_jvm_flags[i].name != NULL) { | |
319 const ObsoleteFlag& flag_status = obsolete_jvm_flags[i]; | |
0 | 320 // <flag>=xxx form |
321 // [-|+]<flag> form | |
242 | 322 if ((strncmp(flag_status.name, s, strlen(flag_status.name)) == 0) || |
0 | 323 ((s[0] == '+' || s[0] == '-') && |
242 | 324 (strncmp(flag_status.name, &s[1], strlen(flag_status.name)) == 0))) { |
325 if (JDK_Version::current().compare(flag_status.accept_until) == -1) { | |
326 *version = flag_status.obsoleted_in; | |
327 return true; | |
328 } | |
0 | 329 } |
330 i++; | |
331 } | |
332 return false; | |
333 } | |
334 | |
335 // Constructs the system class path (aka boot class path) from the following | |
336 // components, in order: | |
337 // | |
338 // prefix // from -Xbootclasspath/p:... | |
339 // endorsed // the expansion of -Djava.endorsed.dirs=... | |
340 // base // from os::get_system_properties() or -Xbootclasspath= | |
341 // suffix // from -Xbootclasspath/a:... | |
342 // | |
343 // java.endorsed.dirs is a list of directories; any jar or zip files in the | |
344 // directories are added to the sysclasspath just before the base. | |
345 // | |
346 // This could be AllStatic, but it isn't needed after argument processing is | |
347 // complete. | |
348 class SysClassPath: public StackObj { | |
349 public: | |
350 SysClassPath(const char* base); | |
351 ~SysClassPath(); | |
352 | |
353 inline void set_base(const char* base); | |
354 inline void add_prefix(const char* prefix); | |
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355 inline void add_suffix_to_prefix(const char* suffix); |
0 | 356 inline void add_suffix(const char* suffix); |
357 inline void reset_path(const char* base); | |
358 | |
359 // Expand the jar/zip files in each directory listed by the java.endorsed.dirs | |
360 // property. Must be called after all command-line arguments have been | |
361 // processed (in particular, -Djava.endorsed.dirs=...) and before calling | |
362 // combined_path(). | |
363 void expand_endorsed(); | |
364 | |
365 inline const char* get_base() const { return _items[_scp_base]; } | |
366 inline const char* get_prefix() const { return _items[_scp_prefix]; } | |
367 inline const char* get_suffix() const { return _items[_scp_suffix]; } | |
368 inline const char* get_endorsed() const { return _items[_scp_endorsed]; } | |
369 | |
370 // Combine all the components into a single c-heap-allocated string; caller | |
371 // must free the string if/when no longer needed. | |
372 char* combined_path(); | |
373 | |
374 private: | |
375 // Utility routines. | |
376 static char* add_to_path(const char* path, const char* str, bool prepend); | |
377 static char* add_jars_to_path(char* path, const char* directory); | |
378 | |
379 inline void reset_item_at(int index); | |
380 | |
381 // Array indices for the items that make up the sysclasspath. All except the | |
382 // base are allocated in the C heap and freed by this class. | |
383 enum { | |
384 _scp_prefix, // from -Xbootclasspath/p:... | |
385 _scp_endorsed, // the expansion of -Djava.endorsed.dirs=... | |
386 _scp_base, // the default sysclasspath | |
387 _scp_suffix, // from -Xbootclasspath/a:... | |
388 _scp_nitems // the number of items, must be last. | |
389 }; | |
390 | |
391 const char* _items[_scp_nitems]; | |
392 DEBUG_ONLY(bool _expansion_done;) | |
393 }; | |
394 | |
395 SysClassPath::SysClassPath(const char* base) { | |
396 memset(_items, 0, sizeof(_items)); | |
397 _items[_scp_base] = base; | |
398 DEBUG_ONLY(_expansion_done = false;) | |
399 } | |
400 | |
401 SysClassPath::~SysClassPath() { | |
402 // Free everything except the base. | |
403 for (int i = 0; i < _scp_nitems; ++i) { | |
404 if (i != _scp_base) reset_item_at(i); | |
405 } | |
406 DEBUG_ONLY(_expansion_done = false;) | |
407 } | |
408 | |
409 inline void SysClassPath::set_base(const char* base) { | |
410 _items[_scp_base] = base; | |
411 } | |
412 | |
413 inline void SysClassPath::add_prefix(const char* prefix) { | |
414 _items[_scp_prefix] = add_to_path(_items[_scp_prefix], prefix, true); | |
415 } | |
416 | |
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417 inline void SysClassPath::add_suffix_to_prefix(const char* suffix) { |
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418 _items[_scp_prefix] = add_to_path(_items[_scp_prefix], suffix, false); |
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419 } |
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420 |
0 | 421 inline void SysClassPath::add_suffix(const char* suffix) { |
422 _items[_scp_suffix] = add_to_path(_items[_scp_suffix], suffix, false); | |
423 } | |
424 | |
425 inline void SysClassPath::reset_item_at(int index) { | |
426 assert(index < _scp_nitems && index != _scp_base, "just checking"); | |
427 if (_items[index] != NULL) { | |
6197 | 428 FREE_C_HEAP_ARRAY(char, _items[index], mtInternal); |
0 | 429 _items[index] = NULL; |
430 } | |
431 } | |
432 | |
433 inline void SysClassPath::reset_path(const char* base) { | |
434 // Clear the prefix and suffix. | |
435 reset_item_at(_scp_prefix); | |
436 reset_item_at(_scp_suffix); | |
437 set_base(base); | |
438 } | |
439 | |
440 //------------------------------------------------------------------------------ | |
441 | |
442 void SysClassPath::expand_endorsed() { | |
443 assert(_items[_scp_endorsed] == NULL, "can only be called once."); | |
444 | |
445 const char* path = Arguments::get_property("java.endorsed.dirs"); | |
446 if (path == NULL) { | |
447 path = Arguments::get_endorsed_dir(); | |
448 assert(path != NULL, "no default for java.endorsed.dirs"); | |
449 } | |
450 | |
451 char* expanded_path = NULL; | |
452 const char separator = *os::path_separator(); | |
453 const char* const end = path + strlen(path); | |
454 while (path < end) { | |
455 const char* tmp_end = strchr(path, separator); | |
456 if (tmp_end == NULL) { | |
457 expanded_path = add_jars_to_path(expanded_path, path); | |
458 path = end; | |
459 } else { | |
6197 | 460 char* dirpath = NEW_C_HEAP_ARRAY(char, tmp_end - path + 1, mtInternal); |
0 | 461 memcpy(dirpath, path, tmp_end - path); |
462 dirpath[tmp_end - path] = '\0'; | |
463 expanded_path = add_jars_to_path(expanded_path, dirpath); | |
6197 | 464 FREE_C_HEAP_ARRAY(char, dirpath, mtInternal); |
0 | 465 path = tmp_end + 1; |
466 } | |
467 } | |
468 _items[_scp_endorsed] = expanded_path; | |
469 DEBUG_ONLY(_expansion_done = true;) | |
470 } | |
471 | |
472 // Combine the bootclasspath elements, some of which may be null, into a single | |
473 // c-heap-allocated string. | |
474 char* SysClassPath::combined_path() { | |
475 assert(_items[_scp_base] != NULL, "empty default sysclasspath"); | |
476 assert(_expansion_done, "must call expand_endorsed() first."); | |
477 | |
478 size_t lengths[_scp_nitems]; | |
479 size_t total_len = 0; | |
480 | |
481 const char separator = *os::path_separator(); | |
482 | |
483 // Get the lengths. | |
484 int i; | |
485 for (i = 0; i < _scp_nitems; ++i) { | |
486 if (_items[i] != NULL) { | |
487 lengths[i] = strlen(_items[i]); | |
488 // Include space for the separator char (or a NULL for the last item). | |
489 total_len += lengths[i] + 1; | |
490 } | |
491 } | |
492 assert(total_len > 0, "empty sysclasspath not allowed"); | |
493 | |
494 // Copy the _items to a single string. | |
6197 | 495 char* cp = NEW_C_HEAP_ARRAY(char, total_len, mtInternal); |
0 | 496 char* cp_tmp = cp; |
497 for (i = 0; i < _scp_nitems; ++i) { | |
498 if (_items[i] != NULL) { | |
499 memcpy(cp_tmp, _items[i], lengths[i]); | |
500 cp_tmp += lengths[i]; | |
501 *cp_tmp++ = separator; | |
502 } | |
503 } | |
504 *--cp_tmp = '\0'; // Replace the extra separator. | |
505 return cp; | |
506 } | |
507 | |
508 // Note: path must be c-heap-allocated (or NULL); it is freed if non-null. | |
509 char* | |
510 SysClassPath::add_to_path(const char* path, const char* str, bool prepend) { | |
511 char *cp; | |
512 | |
513 assert(str != NULL, "just checking"); | |
514 if (path == NULL) { | |
515 size_t len = strlen(str) + 1; | |
6197 | 516 cp = NEW_C_HEAP_ARRAY(char, len, mtInternal); |
0 | 517 memcpy(cp, str, len); // copy the trailing null |
518 } else { | |
519 const char separator = *os::path_separator(); | |
520 size_t old_len = strlen(path); | |
521 size_t str_len = strlen(str); | |
522 size_t len = old_len + str_len + 2; | |
523 | |
524 if (prepend) { | |
6197 | 525 cp = NEW_C_HEAP_ARRAY(char, len, mtInternal); |
0 | 526 char* cp_tmp = cp; |
527 memcpy(cp_tmp, str, str_len); | |
528 cp_tmp += str_len; | |
529 *cp_tmp = separator; | |
530 memcpy(++cp_tmp, path, old_len + 1); // copy the trailing null | |
6197 | 531 FREE_C_HEAP_ARRAY(char, path, mtInternal); |
0 | 532 } else { |
6197 | 533 cp = REALLOC_C_HEAP_ARRAY(char, path, len, mtInternal); |
0 | 534 char* cp_tmp = cp + old_len; |
535 *cp_tmp = separator; | |
536 memcpy(++cp_tmp, str, str_len + 1); // copy the trailing null | |
537 } | |
538 } | |
539 return cp; | |
540 } | |
541 | |
542 // Scan the directory and append any jar or zip files found to path. | |
543 // Note: path must be c-heap-allocated (or NULL); it is freed if non-null. | |
544 char* SysClassPath::add_jars_to_path(char* path, const char* directory) { | |
545 DIR* dir = os::opendir(directory); | |
546 if (dir == NULL) return path; | |
547 | |
548 char dir_sep[2] = { '\0', '\0' }; | |
549 size_t directory_len = strlen(directory); | |
550 const char fileSep = *os::file_separator(); | |
551 if (directory[directory_len - 1] != fileSep) dir_sep[0] = fileSep; | |
552 | |
553 /* Scan the directory for jars/zips, appending them to path. */ | |
554 struct dirent *entry; | |
6197 | 555 char *dbuf = NEW_C_HEAP_ARRAY(char, os::readdir_buf_size(directory), mtInternal); |
0 | 556 while ((entry = os::readdir(dir, (dirent *) dbuf)) != NULL) { |
557 const char* name = entry->d_name; | |
558 const char* ext = name + strlen(name) - 4; | |
559 bool isJarOrZip = ext > name && | |
560 (os::file_name_strcmp(ext, ".jar") == 0 || | |
561 os::file_name_strcmp(ext, ".zip") == 0); | |
562 if (isJarOrZip) { | |
6197 | 563 char* jarpath = NEW_C_HEAP_ARRAY(char, directory_len + 2 + strlen(name), mtInternal); |
0 | 564 sprintf(jarpath, "%s%s%s", directory, dir_sep, name); |
565 path = add_to_path(path, jarpath, false); | |
6197 | 566 FREE_C_HEAP_ARRAY(char, jarpath, mtInternal); |
0 | 567 } |
568 } | |
6197 | 569 FREE_C_HEAP_ARRAY(char, dbuf, mtInternal); |
0 | 570 os::closedir(dir); |
571 return path; | |
572 } | |
573 | |
574 // Parses a memory size specification string. | |
489
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575 static bool atomull(const char *s, julong* result) { |
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576 julong n = 0; |
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577 int args_read = sscanf(s, JULONG_FORMAT, &n); |
0 | 578 if (args_read != 1) { |
579 return false; | |
580 } | |
581 while (*s != '\0' && isdigit(*s)) { | |
582 s++; | |
583 } | |
584 // 4705540: illegal if more characters are found after the first non-digit | |
585 if (strlen(s) > 1) { | |
586 return false; | |
587 } | |
588 switch (*s) { | |
589 case 'T': case 't': | |
590 *result = n * G * K; | |
489
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591 // Check for overflow. |
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592 if (*result/((julong)G * K) != n) return false; |
0 | 593 return true; |
594 case 'G': case 'g': | |
595 *result = n * G; | |
489
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596 if (*result/G != n) return false; |
0 | 597 return true; |
598 case 'M': case 'm': | |
599 *result = n * M; | |
489
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600 if (*result/M != n) return false; |
0 | 601 return true; |
602 case 'K': case 'k': | |
603 *result = n * K; | |
489
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604 if (*result/K != n) return false; |
0 | 605 return true; |
606 case '\0': | |
607 *result = n; | |
608 return true; | |
609 default: | |
610 return false; | |
611 } | |
612 } | |
613 | |
489
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614 Arguments::ArgsRange Arguments::check_memory_size(julong size, julong min_size) { |
0 | 615 if (size < min_size) return arg_too_small; |
616 // Check that size will fit in a size_t (only relevant on 32-bit) | |
489
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617 if (size > max_uintx) return arg_too_big; |
0 | 618 return arg_in_range; |
619 } | |
620 | |
621 // Describe an argument out of range error | |
622 void Arguments::describe_range_error(ArgsRange errcode) { | |
623 switch(errcode) { | |
624 case arg_too_big: | |
625 jio_fprintf(defaultStream::error_stream(), | |
626 "The specified size exceeds the maximum " | |
627 "representable size.\n"); | |
628 break; | |
629 case arg_too_small: | |
630 case arg_unreadable: | |
631 case arg_in_range: | |
632 // do nothing for now | |
633 break; | |
634 default: | |
635 ShouldNotReachHere(); | |
636 } | |
637 } | |
638 | |
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639 static bool set_bool_flag(char* name, bool value, Flag::Flags origin) { |
0 | 640 return CommandLineFlags::boolAtPut(name, &value, origin); |
641 } | |
642 | |
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643 static bool set_fp_numeric_flag(char* name, char* value, Flag::Flags origin) { |
0 | 644 double v; |
645 if (sscanf(value, "%lf", &v) != 1) { | |
646 return false; | |
647 } | |
648 | |
649 if (CommandLineFlags::doubleAtPut(name, &v, origin)) { | |
650 return true; | |
651 } | |
652 return false; | |
653 } | |
654 | |
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655 static bool set_numeric_flag(char* name, char* value, Flag::Flags origin) { |
489
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656 julong v; |
0 | 657 intx intx_v; |
658 bool is_neg = false; | |
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659 // Check the sign first since atomull() parses only unsigned values. |
0 | 660 if (*value == '-') { |
661 if (!CommandLineFlags::intxAt(name, &intx_v)) { | |
662 return false; | |
663 } | |
664 value++; | |
665 is_neg = true; | |
666 } | |
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667 if (!atomull(value, &v)) { |
0 | 668 return false; |
669 } | |
670 intx_v = (intx) v; | |
671 if (is_neg) { | |
672 intx_v = -intx_v; | |
673 } | |
674 if (CommandLineFlags::intxAtPut(name, &intx_v, origin)) { | |
675 return true; | |
676 } | |
677 uintx uintx_v = (uintx) v; | |
678 if (!is_neg && CommandLineFlags::uintxAtPut(name, &uintx_v, origin)) { | |
679 return true; | |
680 } | |
1064 | 681 uint64_t uint64_t_v = (uint64_t) v; |
682 if (!is_neg && CommandLineFlags::uint64_tAtPut(name, &uint64_t_v, origin)) { | |
683 return true; | |
684 } | |
0 | 685 return false; |
686 } | |
687 | |
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688 static bool set_string_flag(char* name, const char* value, Flag::Flags origin) { |
0 | 689 if (!CommandLineFlags::ccstrAtPut(name, &value, origin)) return false; |
690 // Contract: CommandLineFlags always returns a pointer that needs freeing. | |
6197 | 691 FREE_C_HEAP_ARRAY(char, value, mtInternal); |
0 | 692 return true; |
693 } | |
694 | |
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695 static bool append_to_string_flag(char* name, const char* new_value, Flag::Flags origin) { |
0 | 696 const char* old_value = ""; |
697 if (!CommandLineFlags::ccstrAt(name, &old_value)) return false; | |
698 size_t old_len = old_value != NULL ? strlen(old_value) : 0; | |
699 size_t new_len = strlen(new_value); | |
700 const char* value; | |
701 char* free_this_too = NULL; | |
702 if (old_len == 0) { | |
703 value = new_value; | |
704 } else if (new_len == 0) { | |
705 value = old_value; | |
706 } else { | |
6197 | 707 char* buf = NEW_C_HEAP_ARRAY(char, old_len + 1 + new_len + 1, mtInternal); |
0 | 708 // each new setting adds another LINE to the switch: |
709 sprintf(buf, "%s\n%s", old_value, new_value); | |
710 value = buf; | |
711 free_this_too = buf; | |
712 } | |
713 (void) CommandLineFlags::ccstrAtPut(name, &value, origin); | |
714 // CommandLineFlags always returns a pointer that needs freeing. | |
6197 | 715 FREE_C_HEAP_ARRAY(char, value, mtInternal); |
0 | 716 if (free_this_too != NULL) { |
717 // CommandLineFlags made its own copy, so I must delete my own temp. buffer. | |
6197 | 718 FREE_C_HEAP_ARRAY(char, free_this_too, mtInternal); |
0 | 719 } |
720 return true; | |
721 } | |
722 | |
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723 bool Arguments::parse_argument(const char* arg, Flag::Flags origin) { |
0 | 724 |
725 // range of acceptable characters spelled out for portability reasons | |
726 #define NAME_RANGE "[abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_]" | |
727 #define BUFLEN 255 | |
728 char name[BUFLEN+1]; | |
729 char dummy; | |
730 | |
731 if (sscanf(arg, "-%" XSTR(BUFLEN) NAME_RANGE "%c", name, &dummy) == 1) { | |
732 return set_bool_flag(name, false, origin); | |
733 } | |
734 if (sscanf(arg, "+%" XSTR(BUFLEN) NAME_RANGE "%c", name, &dummy) == 1) { | |
735 return set_bool_flag(name, true, origin); | |
736 } | |
737 | |
738 char punct; | |
739 if (sscanf(arg, "%" XSTR(BUFLEN) NAME_RANGE "%c", name, &punct) == 2 && punct == '=') { | |
740 const char* value = strchr(arg, '=') + 1; | |
741 Flag* flag = Flag::find_flag(name, strlen(name)); | |
742 if (flag != NULL && flag->is_ccstr()) { | |
743 if (flag->ccstr_accumulates()) { | |
744 return append_to_string_flag(name, value, origin); | |
745 } else { | |
746 if (value[0] == '\0') { | |
747 value = NULL; | |
748 } | |
749 return set_string_flag(name, value, origin); | |
750 } | |
751 } | |
752 } | |
753 | |
754 if (sscanf(arg, "%" XSTR(BUFLEN) NAME_RANGE ":%c", name, &punct) == 2 && punct == '=') { | |
755 const char* value = strchr(arg, '=') + 1; | |
756 // -XX:Foo:=xxx will reset the string flag to the given value. | |
757 if (value[0] == '\0') { | |
758 value = NULL; | |
759 } | |
760 return set_string_flag(name, value, origin); | |
761 } | |
762 | |
763 #define SIGNED_FP_NUMBER_RANGE "[-0123456789.]" | |
764 #define SIGNED_NUMBER_RANGE "[-0123456789]" | |
765 #define NUMBER_RANGE "[0123456789]" | |
766 char value[BUFLEN + 1]; | |
767 char value2[BUFLEN + 1]; | |
768 if (sscanf(arg, "%" XSTR(BUFLEN) NAME_RANGE "=" "%" XSTR(BUFLEN) SIGNED_NUMBER_RANGE "." "%" XSTR(BUFLEN) NUMBER_RANGE "%c", name, value, value2, &dummy) == 3) { | |
769 // Looks like a floating-point number -- try again with more lenient format string | |
770 if (sscanf(arg, "%" XSTR(BUFLEN) NAME_RANGE "=" "%" XSTR(BUFLEN) SIGNED_FP_NUMBER_RANGE "%c", name, value, &dummy) == 2) { | |
771 return set_fp_numeric_flag(name, value, origin); | |
772 } | |
773 } | |
774 | |
775 #define VALUE_RANGE "[-kmgtKMGT0123456789]" | |
776 if (sscanf(arg, "%" XSTR(BUFLEN) NAME_RANGE "=" "%" XSTR(BUFLEN) VALUE_RANGE "%c", name, value, &dummy) == 2) { | |
777 return set_numeric_flag(name, value, origin); | |
778 } | |
779 | |
780 return false; | |
781 } | |
782 | |
783 void Arguments::add_string(char*** bldarray, int* count, const char* arg) { | |
784 assert(bldarray != NULL, "illegal argument"); | |
785 | |
786 if (arg == NULL) { | |
787 return; | |
788 } | |
789 | |
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790 int new_count = *count + 1; |
0 | 791 |
792 // expand the array and add arg to the last element | |
793 if (*bldarray == NULL) { | |
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794 *bldarray = NEW_C_HEAP_ARRAY(char*, new_count, mtInternal); |
0 | 795 } else { |
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796 *bldarray = REALLOC_C_HEAP_ARRAY(char*, *bldarray, new_count, mtInternal); |
0 | 797 } |
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798 (*bldarray)[*count] = strdup(arg); |
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799 *count = new_count; |
0 | 800 } |
801 | |
802 void Arguments::build_jvm_args(const char* arg) { | |
803 add_string(&_jvm_args_array, &_num_jvm_args, arg); | |
804 } | |
805 | |
806 void Arguments::build_jvm_flags(const char* arg) { | |
807 add_string(&_jvm_flags_array, &_num_jvm_flags, arg); | |
808 } | |
809 | |
810 // utility function to return a string that concatenates all | |
811 // strings in a given char** array | |
812 const char* Arguments::build_resource_string(char** args, int count) { | |
813 if (args == NULL || count == 0) { | |
814 return NULL; | |
815 } | |
816 size_t length = strlen(args[0]) + 1; // add 1 for the null terminator | |
817 for (int i = 1; i < count; i++) { | |
818 length += strlen(args[i]) + 1; // add 1 for a space | |
819 } | |
820 char* s = NEW_RESOURCE_ARRAY(char, length); | |
821 strcpy(s, args[0]); | |
822 for (int j = 1; j < count; j++) { | |
823 strcat(s, " "); | |
824 strcat(s, args[j]); | |
825 } | |
826 return (const char*) s; | |
827 } | |
828 | |
829 void Arguments::print_on(outputStream* st) { | |
830 st->print_cr("VM Arguments:"); | |
831 if (num_jvm_flags() > 0) { | |
832 st->print("jvm_flags: "); print_jvm_flags_on(st); | |
833 } | |
834 if (num_jvm_args() > 0) { | |
835 st->print("jvm_args: "); print_jvm_args_on(st); | |
836 } | |
837 st->print_cr("java_command: %s", java_command() ? java_command() : "<unknown>"); | |
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838 if (_java_class_path != NULL) { |
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839 char* path = _java_class_path->value(); |
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840 st->print_cr("java_class_path (initial): %s", strlen(path) == 0 ? "<not set>" : path ); |
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841 } |
0 | 842 st->print_cr("Launcher Type: %s", _sun_java_launcher); |
843 } | |
844 | |
845 void Arguments::print_jvm_flags_on(outputStream* st) { | |
846 if (_num_jvm_flags > 0) { | |
847 for (int i=0; i < _num_jvm_flags; i++) { | |
848 st->print("%s ", _jvm_flags_array[i]); | |
849 } | |
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850 st->cr(); |
0 | 851 } |
852 } | |
853 | |
854 void Arguments::print_jvm_args_on(outputStream* st) { | |
855 if (_num_jvm_args > 0) { | |
856 for (int i=0; i < _num_jvm_args; i++) { | |
857 st->print("%s ", _jvm_args_array[i]); | |
858 } | |
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859 st->cr(); |
0 | 860 } |
861 } | |
862 | |
242 | 863 bool Arguments::process_argument(const char* arg, |
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864 jboolean ignore_unrecognized, Flag::Flags origin) { |
242 | 865 |
866 JDK_Version since = JDK_Version(); | |
0 | 867 |
3250 | 868 if (parse_argument(arg, origin) || ignore_unrecognized) { |
869 return true; | |
0 | 870 } |
3250 | 871 |
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872 bool has_plus_minus = (*arg == '+' || *arg == '-'); |
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873 const char* const argname = has_plus_minus ? arg + 1 : arg; |
3250 | 874 if (is_newly_obsolete(arg, &since)) { |
875 char version[256]; | |
876 since.to_string(version, sizeof(version)); | |
877 warning("ignoring option %s; support was removed in %s", argname, version); | |
878 return true; | |
879 } | |
880 | |
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881 // For locked flags, report a custom error message if available. |
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882 // Otherwise, report the standard unrecognized VM option. |
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883 |
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884 size_t arg_len; |
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885 const char* equal_sign = strchr(argname, '='); |
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886 if (equal_sign == NULL) { |
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887 arg_len = strlen(argname); |
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888 } else { |
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889 arg_len = equal_sign - argname; |
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890 } |
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891 |
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892 Flag* found_flag = Flag::find_flag((const char*)argname, arg_len, true, true); |
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893 if (found_flag != NULL) { |
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894 char locked_message_buf[BUFLEN]; |
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895 found_flag->get_locked_message(locked_message_buf, BUFLEN); |
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896 if (strlen(locked_message_buf) == 0) { |
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897 if (found_flag->is_bool() && !has_plus_minus) { |
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898 jio_fprintf(defaultStream::error_stream(), |
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899 "Missing +/- setting for VM option '%s'\n", argname); |
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900 } else if (!found_flag->is_bool() && has_plus_minus) { |
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901 jio_fprintf(defaultStream::error_stream(), |
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902 "Unexpected +/- setting in VM option '%s'\n", argname); |
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903 } else { |
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904 jio_fprintf(defaultStream::error_stream(), |
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905 "Improperly specified VM option '%s'\n", argname); |
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906 } |
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907 } else { |
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908 jio_fprintf(defaultStream::error_stream(), "%s", locked_message_buf); |
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909 } |
6017 | 910 } else { |
911 jio_fprintf(defaultStream::error_stream(), | |
912 "Unrecognized VM option '%s'\n", argname); | |
11070 | 913 Flag* fuzzy_matched = Flag::fuzzy_match((const char*)argname, arg_len, true); |
914 if (fuzzy_matched != NULL) { | |
915 jio_fprintf(defaultStream::error_stream(), | |
916 "Did you mean '%s%s%s'?\n", | |
917 (fuzzy_matched->is_bool()) ? "(+/-)" : "", | |
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918 fuzzy_matched->_name, |
11070 | 919 (fuzzy_matched->is_bool()) ? "" : "=<value>"); |
920 } | |
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921 } |
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922 |
3250 | 923 // allow for commandline "commenting out" options like -XX:#+Verbose |
924 return arg[0] == '#'; | |
0 | 925 } |
926 | |
927 bool Arguments::process_settings_file(const char* file_name, bool should_exist, jboolean ignore_unrecognized) { | |
928 FILE* stream = fopen(file_name, "rb"); | |
929 if (stream == NULL) { | |
930 if (should_exist) { | |
931 jio_fprintf(defaultStream::error_stream(), | |
932 "Could not open settings file %s\n", file_name); | |
933 return false; | |
934 } else { | |
935 return true; | |
936 } | |
937 } | |
938 | |
939 char token[1024]; | |
940 int pos = 0; | |
941 | |
942 bool in_white_space = true; | |
943 bool in_comment = false; | |
944 bool in_quote = false; | |
945 char quote_c = 0; | |
946 bool result = true; | |
947 | |
948 int c = getc(stream); | |
6901 | 949 while(c != EOF && pos < (int)(sizeof(token)-1)) { |
0 | 950 if (in_white_space) { |
951 if (in_comment) { | |
952 if (c == '\n') in_comment = false; | |
953 } else { | |
954 if (c == '#') in_comment = true; | |
955 else if (!isspace(c)) { | |
956 in_white_space = false; | |
957 token[pos++] = c; | |
958 } | |
959 } | |
960 } else { | |
961 if (c == '\n' || (!in_quote && isspace(c))) { | |
962 // token ends at newline, or at unquoted whitespace | |
963 // this allows a way to include spaces in string-valued options | |
964 token[pos] = '\0'; | |
965 logOption(token); | |
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966 result &= process_argument(token, ignore_unrecognized, Flag::CONFIG_FILE); |
0 | 967 build_jvm_flags(token); |
968 pos = 0; | |
969 in_white_space = true; | |
970 in_quote = false; | |
971 } else if (!in_quote && (c == '\'' || c == '"')) { | |
972 in_quote = true; | |
973 quote_c = c; | |
974 } else if (in_quote && (c == quote_c)) { | |
975 in_quote = false; | |
976 } else { | |
977 token[pos++] = c; | |
978 } | |
979 } | |
980 c = getc(stream); | |
981 } | |
982 if (pos > 0) { | |
983 token[pos] = '\0'; | |
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984 result &= process_argument(token, ignore_unrecognized, Flag::CONFIG_FILE); |
0 | 985 build_jvm_flags(token); |
986 } | |
987 fclose(stream); | |
988 return result; | |
989 } | |
990 | |
991 //============================================================================================================= | |
992 // Parsing of properties (-D) | |
993 | |
994 const char* Arguments::get_property(const char* key) { | |
995 return PropertyList_get_value(system_properties(), key); | |
996 } | |
997 | |
998 bool Arguments::add_property(const char* prop) { | |
999 const char* eq = strchr(prop, '='); | |
1000 char* key; | |
1001 // ns must be static--its address may be stored in a SystemProperty object. | |
1002 const static char ns[1] = {0}; | |
1003 char* value = (char *)ns; | |
1004 | |
1005 size_t key_len = (eq == NULL) ? strlen(prop) : (eq - prop); | |
6197 | 1006 key = AllocateHeap(key_len + 1, mtInternal); |
0 | 1007 strncpy(key, prop, key_len); |
1008 key[key_len] = '\0'; | |
1009 | |
1010 if (eq != NULL) { | |
1011 size_t value_len = strlen(prop) - key_len - 1; | |
6197 | 1012 value = AllocateHeap(value_len + 1, mtInternal); |
0 | 1013 strncpy(value, &prop[key_len + 1], value_len + 1); |
1014 } | |
1015 | |
1016 if (strcmp(key, "java.compiler") == 0) { | |
1017 process_java_compiler_argument(value); | |
1018 FreeHeap(key); | |
1019 if (eq != NULL) { | |
1020 FreeHeap(value); | |
1021 } | |
1022 return true; | |
691 | 1023 } else if (strcmp(key, "sun.java.command") == 0) { |
0 | 1024 _java_command = value; |
1025 | |
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1026 // Record value in Arguments, but let it get passed to Java. |
691 | 1027 } else if (strcmp(key, "sun.java.launcher.pid") == 0) { |
0 | 1028 // launcher.pid property is private and is processed |
1029 // in process_sun_java_launcher_properties(); | |
1030 // the sun.java.launcher property is passed on to the java application | |
1031 FreeHeap(key); | |
1032 if (eq != NULL) { | |
1033 FreeHeap(value); | |
1034 } | |
1035 return true; | |
691 | 1036 } else if (strcmp(key, "java.vendor.url.bug") == 0) { |
0 | 1037 // save it in _java_vendor_url_bug, so JVM fatal error handler can access |
1038 // its value without going through the property list or making a Java call. | |
1039 _java_vendor_url_bug = value; | |
691 | 1040 } else if (strcmp(key, "sun.boot.library.path") == 0) { |
1041 PropertyList_unique_add(&_system_properties, key, value, true); | |
1042 return true; | |
0 | 1043 } |
1044 // Create new property and add at the end of the list | |
1045 PropertyList_unique_add(&_system_properties, key, value); | |
1046 return true; | |
1047 } | |
1048 | |
1049 //=========================================================================================================== | |
1050 // Setting int/mixed/comp mode flags | |
1051 | |
1052 void Arguments::set_mode_flags(Mode mode) { | |
1053 // Set up default values for all flags. | |
1054 // If you add a flag to any of the branches below, | |
1055 // add a default value for it here. | |
1056 set_java_compiler(false); | |
1057 _mode = mode; | |
1058 | |
1059 // Ensure Agent_OnLoad has the correct initial values. | |
1060 // This may not be the final mode; mode may change later in onload phase. | |
1061 PropertyList_unique_add(&_system_properties, "java.vm.info", | |
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1062 (char*)VM_Version::vm_info_string(), false); |
0 | 1063 |
1064 UseInterpreter = true; | |
1065 UseCompiler = true; | |
1066 UseLoopCounter = true; | |
1067 | |
2458
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1068 #ifndef ZERO |
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1069 // Turn these off for mixed and comp. Leave them on for Zero. |
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1070 if (FLAG_IS_DEFAULT(UseFastAccessorMethods)) { |
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1071 UseFastAccessorMethods = (mode == _int); |
2458
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1072 } |
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1073 if (FLAG_IS_DEFAULT(UseFastEmptyMethods)) { |
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1074 UseFastEmptyMethods = (mode == _int); |
2458
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1075 } |
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1076 #endif |
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1077 |
0 | 1078 // Default values may be platform/compiler dependent - |
1079 // use the saved values | |
1080 ClipInlining = Arguments::_ClipInlining; | |
1081 AlwaysCompileLoopMethods = Arguments::_AlwaysCompileLoopMethods; | |
1082 UseOnStackReplacement = Arguments::_UseOnStackReplacement; | |
1083 BackgroundCompilation = Arguments::_BackgroundCompilation; | |
1084 | |
1085 // Change from defaults based on mode | |
1086 switch (mode) { | |
1087 default: | |
1088 ShouldNotReachHere(); | |
1089 break; | |
1090 case _int: | |
1091 UseCompiler = false; | |
1092 UseLoopCounter = false; | |
1093 AlwaysCompileLoopMethods = false; | |
1094 UseOnStackReplacement = false; | |
1095 break; | |
1096 case _mixed: | |
1097 // same as default | |
1098 break; | |
1099 case _comp: | |
1100 UseInterpreter = false; | |
1101 BackgroundCompilation = false; | |
1102 ClipInlining = false; | |
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1103 // Be much more aggressive in tiered mode with -Xcomp and exercise C2 more. |
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1104 // We will first compile a level 3 version (C1 with full profiling), then do one invocation of it and |
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1105 // compile a level 4 (C2) and then continue executing it. |
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1106 if (TieredCompilation) { |
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1107 Tier3InvokeNotifyFreqLog = 0; |
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1108 Tier4InvocationThreshold = 0; |
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1109 } |
0 | 1110 break; |
1111 } | |
1112 } | |
1113 | |
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1114 #if defined(COMPILER2) || defined(_LP64) || !INCLUDE_CDS |
0 | 1115 // Conflict: required to use shared spaces (-Xshare:on), but |
1116 // incompatible command line options were chosen. | |
1117 | |
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1118 static void no_shared_spaces(const char* message) { |
0 | 1119 if (RequireSharedSpaces) { |
1120 jio_fprintf(defaultStream::error_stream(), | |
1121 "Class data sharing is inconsistent with other specified options.\n"); | |
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1122 vm_exit_during_initialization("Unable to use shared archive.", message); |
0 | 1123 } else { |
1124 FLAG_SET_DEFAULT(UseSharedSpaces, false); | |
1125 } | |
1126 } | |
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1127 #endif |
0 | 1128 |
1783 | 1129 void Arguments::set_tiered_flags() { |
2348
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1130 // With tiered, set default policy to AdvancedThresholdPolicy, which is 3. |
1783 | 1131 if (FLAG_IS_DEFAULT(CompilationPolicyChoice)) { |
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1132 FLAG_SET_DEFAULT(CompilationPolicyChoice, 3); |
1783 | 1133 } |
1134 if (CompilationPolicyChoice < 2) { | |
1135 vm_exit_during_initialization( | |
1136 "Incompatible compilation policy selected", NULL); | |
1137 } | |
1891
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1138 // Increase the code cache size - tiered compiles a lot more. |
1783 | 1139 if (FLAG_IS_DEFAULT(ReservedCodeCacheSize)) { |
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1140 FLAG_SET_DEFAULT(ReservedCodeCacheSize, ReservedCodeCacheSize * 5); |
1783 | 1141 } |
10278 | 1142 if (!UseInterpreter) { // -Xcomp |
1143 Tier3InvokeNotifyFreqLog = 0; | |
1144 Tier4InvocationThreshold = 0; | |
1145 } | |
1783 | 1146 } |
1147 | |
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1148 /** |
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1149 * Returns the minimum number of compiler threads needed to run the JVM. The following |
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1150 * configurations are possible. |
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1151 * |
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1152 * 1) The JVM is build using an interpreter only. As a result, the minimum number of |
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1153 * compiler threads is 0. |
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1154 * 2) The JVM is build using the compiler(s) and tiered compilation is disabled. As |
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1155 * a result, either C1 or C2 is used, so the minimum number of compiler threads is 1. |
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1156 * 3) The JVM is build using the compiler(s) and tiered compilation is enabled. However, |
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1157 * the option "TieredStopAtLevel < CompLevel_full_optimization". As a result, only |
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1158 * C1 can be used, so the minimum number of compiler threads is 1. |
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1159 * 4) The JVM is build using the compilers and tiered compilation is enabled. The option |
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1160 * 'TieredStopAtLevel = CompLevel_full_optimization' (the default value). As a result, |
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1161 * the minimum number of compiler threads is 2. |
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1162 */ |
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1163 int Arguments::get_min_number_of_compiler_threads() { |
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1164 #if !defined(COMPILER1) && !defined(COMPILER2) && !defined(SHARK) |
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1165 return 0; // case 1 |
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1166 #else |
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1167 if (!TieredCompilation || (TieredStopAtLevel < CompLevel_full_optimization)) { |
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1168 return 1; // case 2 or case 3 |
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1169 } |
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1170 return 2; // case 4 (tiered) |
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1171 #endif |
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1172 } |
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1173 |
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1174 #if INCLUDE_ALL_GCS |
4838 | 1175 static void disable_adaptive_size_policy(const char* collector_name) { |
1176 if (UseAdaptiveSizePolicy) { | |
1177 if (FLAG_IS_CMDLINE(UseAdaptiveSizePolicy)) { | |
1178 warning("disabling UseAdaptiveSizePolicy; it is incompatible with %s.", | |
1179 collector_name); | |
1180 } | |
1181 FLAG_SET_DEFAULT(UseAdaptiveSizePolicy, false); | |
1182 } | |
1183 } | |
1184 | |
0 | 1185 void Arguments::set_parnew_gc_flags() { |
1064 | 1186 assert(!UseSerialGC && !UseParallelOldGC && !UseParallelGC && !UseG1GC, |
342
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1187 "control point invariant"); |
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1188 assert(UseParNewGC, "Error"); |
0 | 1189 |
4838 | 1190 // Turn off AdaptiveSizePolicy for parnew until it is complete. |
1191 disable_adaptive_size_policy("UseParNewGC"); | |
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1192 |
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1193 if (FLAG_IS_DEFAULT(ParallelGCThreads)) { |
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1194 FLAG_SET_DEFAULT(ParallelGCThreads, Abstract_VM_Version::parallel_worker_threads()); |
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1195 assert(ParallelGCThreads > 0, "We should always have at least one thread by default"); |
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1196 } else if (ParallelGCThreads == 0) { |
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1197 jio_fprintf(defaultStream::error_stream(), |
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1198 "The ParNew GC can not be combined with -XX:ParallelGCThreads=0\n"); |
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1199 vm_exit(1); |
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1200 } |
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1201 |
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1202 // By default YoungPLABSize and OldPLABSize are set to 4096 and 1024 respectively, |
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1203 // these settings are default for Parallel Scavenger. For ParNew+Tenured configuration |
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1204 // we set them to 1024 and 1024. |
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1205 // See CR 6362902. |
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1206 if (FLAG_IS_DEFAULT(YoungPLABSize)) { |
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1207 FLAG_SET_DEFAULT(YoungPLABSize, (intx)1024); |
0 | 1208 } |
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1209 if (FLAG_IS_DEFAULT(OldPLABSize)) { |
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1210 FLAG_SET_DEFAULT(OldPLABSize, (intx)1024); |
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1211 } |
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1212 |
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1213 // AlwaysTenure flag should make ParNew promote all at first collection. |
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1214 // See CR 6362902. |
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1215 if (AlwaysTenure) { |
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1216 FLAG_SET_CMDLINE(uintx, MaxTenuringThreshold, 0); |
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1217 } |
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1218 // When using compressed oops, we use local overflow stacks, |
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1219 // rather than using a global overflow list chained through |
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1220 // the klass word of the object's pre-image. |
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1221 if (UseCompressedOops && !ParGCUseLocalOverflow) { |
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1222 if (!FLAG_IS_DEFAULT(ParGCUseLocalOverflow)) { |
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1223 warning("Forcing +ParGCUseLocalOverflow: needed if using compressed references"); |
0 | 1224 } |
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1225 FLAG_SET_DEFAULT(ParGCUseLocalOverflow, true); |
0 | 1226 } |
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1227 assert(ParGCUseLocalOverflow || !UseCompressedOops, "Error"); |
0 | 1228 } |
1229 | |
1230 // Adjust some sizes to suit CMS and/or ParNew needs; these work well on | |
1231 // sparc/solaris for certain applications, but would gain from | |
1232 // further optimization and tuning efforts, and would almost | |
1233 // certainly gain from analysis of platform and environment. | |
1234 void Arguments::set_cms_and_parnew_gc_flags() { | |
1064 | 1235 assert(!UseSerialGC && !UseParallelOldGC && !UseParallelGC, "Error"); |
10
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1236 assert(UseConcMarkSweepGC, "CMS is expected to be on here"); |
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1237 |
0 | 1238 // If we are using CMS, we prefer to UseParNewGC, |
1239 // unless explicitly forbidden. | |
342
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1240 if (FLAG_IS_DEFAULT(UseParNewGC)) { |
10
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1241 FLAG_SET_ERGO(bool, UseParNewGC, true); |
0 | 1242 } |
1243 | |
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1244 // Turn off AdaptiveSizePolicy by default for cms until it is complete. |
4838 | 1245 disable_adaptive_size_policy("UseConcMarkSweepGC"); |
0 | 1246 |
1247 // In either case, adjust ParallelGCThreads and/or UseParNewGC | |
1248 // as needed. | |
10
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1249 if (UseParNewGC) { |
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1250 set_parnew_gc_flags(); |
0 | 1251 } |
1252 | |
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1253 size_t max_heap = align_size_down(MaxHeapSize, |
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1254 CardTableRS::ct_max_alignment_constraint()); |
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1255 |
0 | 1256 // Now make adjustments for CMS |
2368
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1257 intx tenuring_default = (intx)6; |
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1258 size_t young_gen_per_worker = CMSYoungGenPerWorker; |
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1259 |
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1260 // Preferred young gen size for "short" pauses: |
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1261 // upper bound depends on # of threads and NewRatio. |
0 | 1262 const uintx parallel_gc_threads = |
1263 (ParallelGCThreads == 0 ? 1 : ParallelGCThreads); | |
1264 const size_t preferred_max_new_size_unaligned = | |
2368
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1265 MIN2(max_heap/(NewRatio+1), ScaleForWordSize(young_gen_per_worker * parallel_gc_threads)); |
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1266 size_t preferred_max_new_size = |
0 | 1267 align_size_up(preferred_max_new_size_unaligned, os::vm_page_size()); |
1268 | |
1269 // Unless explicitly requested otherwise, size young gen | |
2368
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1270 // for "short" pauses ~ CMSYoungGenPerWorker*ParallelGCThreads |
886
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1271 |
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1272 // If either MaxNewSize or NewRatio is set on the command line, |
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1273 // assume the user is trying to set the size of the young gen. |
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1274 if (FLAG_IS_DEFAULT(MaxNewSize) && FLAG_IS_DEFAULT(NewRatio)) { |
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1275 |
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1276 // Set MaxNewSize to our calculated preferred_max_new_size unless |
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1277 // NewSize was set on the command line and it is larger than |
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1278 // preferred_max_new_size. |
0 | 1279 if (!FLAG_IS_DEFAULT(NewSize)) { // NewSize explicitly set at command-line |
13
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1280 FLAG_SET_ERGO(uintx, MaxNewSize, MAX2(NewSize, preferred_max_new_size)); |
0 | 1281 } else { |
13
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1282 FLAG_SET_ERGO(uintx, MaxNewSize, preferred_max_new_size); |
0 | 1283 } |
1064 | 1284 if (PrintGCDetails && Verbose) { |
13
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1285 // Too early to use gclog_or_tty |
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1286 tty->print_cr("CMS ergo set MaxNewSize: " SIZE_FORMAT, MaxNewSize); |
886
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1287 } |
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1288 |
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1289 // Code along this path potentially sets NewSize and OldSize |
1064 | 1290 if (PrintGCDetails && Verbose) { |
13
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1291 // Too early to use gclog_or_tty |
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1292 tty->print_cr("CMS set min_heap_size: " SIZE_FORMAT |
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1293 " initial_heap_size: " SIZE_FORMAT |
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1294 " max_heap: " SIZE_FORMAT, |
1064 | 1295 min_heap_size(), InitialHeapSize, max_heap); |
13
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1296 } |
2368
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1297 size_t min_new = preferred_max_new_size; |
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1298 if (FLAG_IS_CMDLINE(NewSize)) { |
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1299 min_new = NewSize; |
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1300 } |
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1301 if (max_heap > min_new && min_heap_size() > min_new) { |
0 | 1302 // Unless explicitly requested otherwise, make young gen |
1303 // at least min_new, and at most preferred_max_new_size. | |
1304 if (FLAG_IS_DEFAULT(NewSize)) { | |
13
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1305 FLAG_SET_ERGO(uintx, NewSize, MAX2(NewSize, min_new)); |
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1306 FLAG_SET_ERGO(uintx, NewSize, MIN2(preferred_max_new_size, NewSize)); |
1064 | 1307 if (PrintGCDetails && Verbose) { |
13
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1308 // Too early to use gclog_or_tty |
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1309 tty->print_cr("CMS ergo set NewSize: " SIZE_FORMAT, NewSize); |
13
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1310 } |
0 | 1311 } |
1312 // Unless explicitly requested otherwise, size old gen | |
2368
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1313 // so it's NewRatio x of NewSize. |
0 | 1314 if (FLAG_IS_DEFAULT(OldSize)) { |
1315 if (max_heap > NewSize) { | |
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1316 FLAG_SET_ERGO(uintx, OldSize, MIN2(NewRatio*NewSize, max_heap - NewSize)); |
1064 | 1317 if (PrintGCDetails && Verbose) { |
13
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1318 // Too early to use gclog_or_tty |
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1319 tty->print_cr("CMS ergo set OldSize: " SIZE_FORMAT, OldSize); |
13
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1320 } |
0 | 1321 } |
1322 } | |
1323 } | |
1324 } | |
1325 // Unless explicitly requested otherwise, definitely | |
1326 // promote all objects surviving "tenuring_default" scavenges. | |
1327 if (FLAG_IS_DEFAULT(MaxTenuringThreshold) && | |
1328 FLAG_IS_DEFAULT(SurvivorRatio)) { | |
6818 | 1329 FLAG_SET_ERGO(uintx, MaxTenuringThreshold, tenuring_default); |
0 | 1330 } |
1331 // If we decided above (or user explicitly requested) | |
1332 // `promote all' (via MaxTenuringThreshold := 0), | |
1333 // prefer minuscule survivor spaces so as not to waste | |
1334 // space for (non-existent) survivors | |
1335 if (FLAG_IS_DEFAULT(SurvivorRatio) && MaxTenuringThreshold == 0) { | |
8035 | 1336 FLAG_SET_ERGO(uintx, SurvivorRatio, MAX2((uintx)1024, SurvivorRatio)); |
0 | 1337 } |
1338 // If OldPLABSize is set and CMSParPromoteBlocksToClaim is not, | |
1339 // set CMSParPromoteBlocksToClaim equal to OldPLABSize. | |
1340 // This is done in order to make ParNew+CMS configuration to work | |
1341 // with YoungPLABSize and OldPLABSize options. | |
1342 // See CR 6362902. | |
1343 if (!FLAG_IS_DEFAULT(OldPLABSize)) { | |
1344 if (FLAG_IS_DEFAULT(CMSParPromoteBlocksToClaim)) { | |
13
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1345 // OldPLABSize is not the default value but CMSParPromoteBlocksToClaim |
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1346 // is. In this situtation let CMSParPromoteBlocksToClaim follow |
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1347 // the value (either from the command line or ergonomics) of |
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1348 // OldPLABSize. Following OldPLABSize is an ergonomics decision. |
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1349 FLAG_SET_ERGO(uintx, CMSParPromoteBlocksToClaim, OldPLABSize); |
1145
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1350 } else { |
0 | 1351 // OldPLABSize and CMSParPromoteBlocksToClaim are both set. |
1352 // CMSParPromoteBlocksToClaim is a collector-specific flag, so | |
1353 // we'll let it to take precedence. | |
1354 jio_fprintf(defaultStream::error_stream(), | |
886
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1355 "Both OldPLABSize and CMSParPromoteBlocksToClaim" |
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1356 " options are specified for the CMS collector." |
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1357 " CMSParPromoteBlocksToClaim will take precedence.\n"); |
0 | 1358 } |
1359 } | |
1145
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1360 if (!FLAG_IS_DEFAULT(ResizeOldPLAB) && !ResizeOldPLAB) { |
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1361 // OldPLAB sizing manually turned off: Use a larger default setting, |
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1362 // unless it was manually specified. This is because a too-low value |
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1363 // will slow down scavenges. |
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1364 if (FLAG_IS_DEFAULT(CMSParPromoteBlocksToClaim)) { |
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1365 FLAG_SET_ERGO(uintx, CMSParPromoteBlocksToClaim, 50); // default value before 6631166 |
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1366 } |
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1367 } |
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1368 // Overwrite OldPLABSize which is the variable we will internally use everywhere. |
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1369 FLAG_SET_ERGO(uintx, OldPLABSize, CMSParPromoteBlocksToClaim); |
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1370 // If either of the static initialization defaults have changed, note this |
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1371 // modification. |
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1372 if (!FLAG_IS_DEFAULT(CMSParPromoteBlocksToClaim) || !FLAG_IS_DEFAULT(OldPLABWeight)) { |
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1373 CFLS_LAB::modify_initialization(OldPLABSize, OldPLABWeight); |
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1374 } |
1284 | 1375 if (PrintGCDetails && Verbose) { |
1376 tty->print_cr("MarkStackSize: %uk MarkStackSizeMax: %uk", | |
17937
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1377 (unsigned int) (MarkStackSize / K), (uint) (MarkStackSizeMax / K)); |
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1378 tty->print_cr("ConcGCThreads: %u", (uint) ConcGCThreads); |
1284 | 1379 } |
0 | 1380 } |
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1381 #endif // INCLUDE_ALL_GCS |
0 | 1382 |
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1383 void set_object_alignment() { |
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|
1384 // Object alignment. |
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1385 assert(is_power_of_2(ObjectAlignmentInBytes), "ObjectAlignmentInBytes must be power of 2"); |
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1386 MinObjAlignmentInBytes = ObjectAlignmentInBytes; |
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|
1387 assert(MinObjAlignmentInBytes >= HeapWordsPerLong * HeapWordSize, "ObjectAlignmentInBytes value is too small"); |
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1388 MinObjAlignment = MinObjAlignmentInBytes / HeapWordSize; |
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|
1389 assert(MinObjAlignmentInBytes == MinObjAlignment * HeapWordSize, "ObjectAlignmentInBytes value is incorrect"); |
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|
1390 MinObjAlignmentInBytesMask = MinObjAlignmentInBytes - 1; |
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|
1391 |
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|
1392 LogMinObjAlignmentInBytes = exact_log2(ObjectAlignmentInBytes); |
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|
1393 LogMinObjAlignment = LogMinObjAlignmentInBytes - LogHeapWordSize; |
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|
1394 |
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|
1395 // Oop encoding heap max |
2d127394260e
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|
1396 OopEncodingHeapMax = (uint64_t(max_juint) + 1) << LogMinObjAlignmentInBytes; |
2d127394260e
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|
1397 |
8001
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|
1398 #if INCLUDE_ALL_GCS |
1571
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|
1399 // Set CMS global values |
2d127394260e
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|
1400 CompactibleFreeListSpace::set_cms_values(); |
8001
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8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
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diff
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|
1401 #endif // INCLUDE_ALL_GCS |
1571
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|
1402 } |
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|
1403 |
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|
1404 bool verify_object_alignment() { |
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|
1405 // Object alignment. |
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1406 if (!is_power_of_2(ObjectAlignmentInBytes)) { |
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|
1407 jio_fprintf(defaultStream::error_stream(), |
1829
fe08403130db
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
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diff
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|
1408 "error: ObjectAlignmentInBytes=%d must be power of 2\n", |
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|
1409 (int)ObjectAlignmentInBytes); |
1571
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1410 return false; |
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|
1411 } |
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|
1412 if ((int)ObjectAlignmentInBytes < BytesPerLong) { |
2d127394260e
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|
1413 jio_fprintf(defaultStream::error_stream(), |
1829
fe08403130db
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diff
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|
1414 "error: ObjectAlignmentInBytes=%d must be greater or equal %d\n", |
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diff
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|
1415 (int)ObjectAlignmentInBytes, BytesPerLong); |
fe08403130db
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
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|
1416 return false; |
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6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
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diff
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|
1417 } |
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diff
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|
1418 // It does not make sense to have big object alignment |
fe08403130db
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diff
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|
1419 // since a space lost due to alignment will be greater |
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parents:
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diff
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|
1420 // then a saved space from compressed oops. |
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|
1421 if ((int)ObjectAlignmentInBytes > 256) { |
fe08403130db
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
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|
1422 jio_fprintf(defaultStream::error_stream(), |
7461
561148896559
8005076: Creating a CDS archive with one alignment and running another causes a crash.
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diff
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|
1423 "error: ObjectAlignmentInBytes=%d must not be greater than 256\n", |
1829
fe08403130db
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
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diff
changeset
|
1424 (int)ObjectAlignmentInBytes); |
fe08403130db
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diff
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|
1425 return false; |
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diff
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|
1426 } |
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diff
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|
1427 // In case page size is very small. |
fe08403130db
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diff
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|
1428 if ((int)ObjectAlignmentInBytes >= os::vm_page_size()) { |
fe08403130db
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
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diff
changeset
|
1429 jio_fprintf(defaultStream::error_stream(), |
7461
561148896559
8005076: Creating a CDS archive with one alignment and running another causes a crash.
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parents:
7458
diff
changeset
|
1430 "error: ObjectAlignmentInBytes=%d must be less than page size %d\n", |
1829
fe08403130db
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
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diff
changeset
|
1431 (int)ObjectAlignmentInBytes, os::vm_page_size()); |
1571
2d127394260e
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|
1432 return false; |
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|
1433 } |
20317
ee019285a52c
8031323: Optionally align objects copied to survivor spaces
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diff
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|
1434 if(SurvivorAlignmentInBytes == 0) { |
ee019285a52c
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diff
changeset
|
1435 SurvivorAlignmentInBytes = ObjectAlignmentInBytes; |
ee019285a52c
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|
1436 } else { |
ee019285a52c
8031323: Optionally align objects copied to survivor spaces
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parents:
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|
1437 if (!is_power_of_2(SurvivorAlignmentInBytes)) { |
ee019285a52c
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|
1438 jio_fprintf(defaultStream::error_stream(), |
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diff
changeset
|
1439 "error: SurvivorAlignmentInBytes=%d must be power of 2\n", |
ee019285a52c
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diff
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|
1440 (int)SurvivorAlignmentInBytes); |
ee019285a52c
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jmasa
parents:
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diff
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|
1441 return false; |
ee019285a52c
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parents:
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diff
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|
1442 } |
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diff
changeset
|
1443 if (SurvivorAlignmentInBytes < ObjectAlignmentInBytes) { |
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|
1444 jio_fprintf(defaultStream::error_stream(), |
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diff
changeset
|
1445 "error: SurvivorAlignmentInBytes=%d must be greater than ObjectAlignmentInBytes=%d \n", |
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|
1446 (int)SurvivorAlignmentInBytes, (int)ObjectAlignmentInBytes); |
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|
1447 return false; |
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|
1448 } |
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|
1449 } |
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1450 return true; |
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|
1451 } |
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|
1452 |
20220
d15367d92f0d
8043723: max_heap_for_compressed_oops() declared with size_t, but defined with uintx
tschatzl
parents:
17937
diff
changeset
|
1453 size_t Arguments::max_heap_for_compressed_oops() { |
1963 | 1454 // Avoid sign flip. |
12056
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1455 assert(OopEncodingHeapMax > (uint64_t)os::vm_page_size(), "Unusual page size"); |
12233
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
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diff
changeset
|
1456 // 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
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12226
diff
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|
1457 // keeping alignment constraints of the heap. To guarantee the latter, as the |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
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diff
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|
1458 // 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
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|
1459 // maximum alignment that the GC may ever impose upon the heap. |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
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|
1460 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
|
1461 _conservative_max_heap_alignment); |
12233
40136aa2cdb1
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parents:
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|
1462 |
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8010722: assert: failed: heap size is too big for compressed oops
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|
1463 LP64_ONLY(return OopEncodingHeapMax - displacement_due_to_null_page); |
1064 | 1464 NOT_LP64(ShouldNotReachHere(); return 0); |
135
b7268662a986
6689523: max heap calculation for compressed oops is off by MaxPermSize
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diff
changeset
|
1465 } |
b7268662a986
6689523: max heap calculation for compressed oops is off by MaxPermSize
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113
diff
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|
1466 |
0 | 1467 bool Arguments::should_auto_select_low_pause_collector() { |
1468 if (UseAutoGCSelectPolicy && | |
1469 !FLAG_IS_DEFAULT(MaxGCPauseMillis) && | |
1470 (MaxGCPauseMillis <= AutoGCSelectPauseMillis)) { | |
1471 if (PrintGCDetails) { | |
1472 // Cannot use gclog_or_tty yet. | |
1473 tty->print_cr("Automatic selection of the low pause collector" | |
17937
78bbf4d43a14
8037816: Fix for 8036122 breaks build with Xcode5/clang
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parents:
17906
diff
changeset
|
1474 " based on pause goal of %d (ms)", (int) MaxGCPauseMillis); |
0 | 1475 } |
1476 return true; | |
1477 } | |
1478 return false; | |
1479 } | |
1480 | |
8741
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|
1481 void Arguments::set_use_compressed_oops() { |
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diff
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|
1482 #ifndef ZERO |
eac371996b44
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|
1483 #ifdef _LP64 |
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|
1484 // MaxHeapSize is not set up properly at this point, but |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
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|
1485 // the only value that can override MaxHeapSize if we are |
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8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
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|
1486 // to use UseCompressedOops is InitialHeapSize. |
eac371996b44
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|
1487 size_t max_heap_size = MAX2(MaxHeapSize, InitialHeapSize); |
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|
1488 |
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|
1489 if (max_heap_size <= max_heap_for_compressed_oops()) { |
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8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
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|
1490 #if !defined(COMPILER1) || defined(TIERED) |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
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|
1491 if (FLAG_IS_DEFAULT(UseCompressedOops)) { |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
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diff
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|
1492 FLAG_SET_ERGO(bool, UseCompressedOops, true); |
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brutisso
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|
1493 } |
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brutisso
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diff
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|
1494 #endif |
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diff
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|
1495 #ifdef _WIN64 |
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|
1496 if (UseLargePages && UseCompressedOops) { |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
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8734
diff
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|
1497 // Cannot allocate guard pages for implicit checks in indexed addressing |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
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diff
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|
1498 // mode, when large pages are specified on windows. |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
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8734
diff
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|
1499 // This flag could be switched ON if narrow oop base address is set to 0, |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
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8734
diff
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|
1500 // see code in Universe::initialize_heap(). |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
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8734
diff
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|
1501 Universe::set_narrow_oop_use_implicit_null_checks(false); |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
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|
1502 } |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
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|
1503 #endif // _WIN64 |
eac371996b44
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diff
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|
1504 } else { |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
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8734
diff
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|
1505 if (UseCompressedOops && !FLAG_IS_DEFAULT(UseCompressedOops)) { |
eac371996b44
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brutisso
parents:
8734
diff
changeset
|
1506 warning("Max heap size too large for Compressed Oops"); |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
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8734
diff
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|
1507 FLAG_SET_DEFAULT(UseCompressedOops, false); |
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
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|
1508 FLAG_SET_DEFAULT(UseCompressedClassPointers, false); |
8741
eac371996b44
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brutisso
parents:
8734
diff
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|
1509 } |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
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diff
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|
1510 } |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
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|
1511 #endif // _LP64 |
eac371996b44
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brutisso
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|
1512 #endif // ZERO |
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8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
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8734
diff
changeset
|
1513 } |
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8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
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diff
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|
1514 |
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diff
changeset
|
1515 |
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12003
diff
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|
1516 // NOTE: set_use_compressed_klass_ptrs() must be called after calling |
740e263c80c6
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diff
changeset
|
1517 // set_use_compressed_oops(). |
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
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diff
changeset
|
1518 void Arguments::set_use_compressed_klass_ptrs() { |
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
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12003
diff
changeset
|
1519 #ifndef ZERO |
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
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12003
diff
changeset
|
1520 #ifdef _LP64 |
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
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12182
diff
changeset
|
1521 // UseCompressedOops must be on for UseCompressedClassPointers to be on. |
12056
740e263c80c6
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hseigel
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12003
diff
changeset
|
1522 if (!UseCompressedOops) { |
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
1523 if (UseCompressedClassPointers) { |
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
1524 warning("UseCompressedClassPointers requires UseCompressedOops"); |
12056
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
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12003
diff
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|
1525 } |
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
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12182
diff
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|
1526 FLAG_SET_DEFAULT(UseCompressedClassPointers, false); |
12056
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diff
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|
1527 } else { |
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
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parents:
12182
diff
changeset
|
1528 // Turn on UseCompressedClassPointers too |
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
1529 if (FLAG_IS_DEFAULT(UseCompressedClassPointers)) { |
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
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12182
diff
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|
1530 FLAG_SET_ERGO(bool, UseCompressedClassPointers, true); |
12056
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diff
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|
1531 } |
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
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parents:
12182
diff
changeset
|
1532 // 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
|
1533 if (UseCompressedClassPointers) { |
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
1534 if (CompressedClassSpaceSize > KlassEncodingMetaspaceMax) { |
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
1535 warning("CompressedClassSpaceSize is too large for UseCompressedClassPointers"); |
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
1536 FLAG_SET_DEFAULT(UseCompressedClassPointers, false); |
12056
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8003424: Enable Class Data Sharing for CompressedOops
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12003
diff
changeset
|
1537 } |
740e263c80c6
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hseigel
parents:
12003
diff
changeset
|
1538 } |
740e263c80c6
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hseigel
parents:
12003
diff
changeset
|
1539 } |
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1540 #endif // _LP64 |
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1541 #endif // !ZERO |
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
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12003
diff
changeset
|
1542 } |
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
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12003
diff
changeset
|
1543 |
12233
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
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12226
diff
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|
1544 void Arguments::set_conservative_max_heap_alignment() { |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
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diff
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|
1545 // The conservative maximum required alignment for the heap is the maximum of |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
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diff
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|
1546 // the alignments imposed by several sources: any requirements from the heap |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
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diff
changeset
|
1547 // itself, the collector policy and the maximum page size we may run the VM |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
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12226
diff
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|
1548 // with. |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
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12226
diff
changeset
|
1549 size_t heap_alignment = GenCollectedHeap::conservative_max_heap_alignment(); |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
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diff
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|
1550 #if INCLUDE_ALL_GCS |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
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diff
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|
1551 if (UseParallelGC) { |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
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diff
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|
1552 heap_alignment = ParallelScavengeHeap::conservative_max_heap_alignment(); |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
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diff
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|
1553 } else if (UseG1GC) { |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
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diff
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|
1554 heap_alignment = G1CollectedHeap::conservative_max_heap_alignment(); |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
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diff
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|
1555 } |
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8010722: assert: failed: heap size is too big for compressed oops
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12226
diff
changeset
|
1556 #endif // INCLUDE_ALL_GCS |
20294
dd219eaec9cc
8048088: Conservative maximum heap alignment should take vm_allocation_granularity into account
tschatzl
parents:
20241
diff
changeset
|
1557 _conservative_max_heap_alignment = MAX4(heap_alignment, |
dd219eaec9cc
8048088: Conservative maximum heap alignment should take vm_allocation_granularity into account
tschatzl
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20241
diff
changeset
|
1558 (size_t)os::vm_allocation_granularity(), |
dd219eaec9cc
8048088: Conservative maximum heap alignment should take vm_allocation_granularity into account
tschatzl
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20241
diff
changeset
|
1559 os::max_page_size(), |
dd219eaec9cc
8048088: Conservative maximum heap alignment should take vm_allocation_granularity into account
tschatzl
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20241
diff
changeset
|
1560 CollectorPolicy::compute_heap_alignment()); |
12233
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
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12226
diff
changeset
|
1561 } |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
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12226
diff
changeset
|
1562 |
20403
8ec8971f511a
8057531: refactor gc argument processing code slightly
jcoomes
parents:
20395
diff
changeset
|
1563 void Arguments::select_gc_ergonomically() { |
4946 | 1564 if (os::is_server_class_machine()) { |
20403
8ec8971f511a
8057531: refactor gc argument processing code slightly
jcoomes
parents:
20395
diff
changeset
|
1565 if (should_auto_select_low_pause_collector()) { |
8ec8971f511a
8057531: refactor gc argument processing code slightly
jcoomes
parents:
20395
diff
changeset
|
1566 FLAG_SET_ERGO(bool, UseConcMarkSweepGC, true); |
8ec8971f511a
8057531: refactor gc argument processing code slightly
jcoomes
parents:
20395
diff
changeset
|
1567 } else { |
8ec8971f511a
8057531: refactor gc argument processing code slightly
jcoomes
parents:
20395
diff
changeset
|
1568 FLAG_SET_ERGO(bool, UseParallelGC, true); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
1569 } |
0 | 1570 } |
20403
8ec8971f511a
8057531: refactor gc argument processing code slightly
jcoomes
parents:
20395
diff
changeset
|
1571 } |
8ec8971f511a
8057531: refactor gc argument processing code slightly
jcoomes
parents:
20395
diff
changeset
|
1572 |
8ec8971f511a
8057531: refactor gc argument processing code slightly
jcoomes
parents:
20395
diff
changeset
|
1573 void Arguments::select_gc() { |
8ec8971f511a
8057531: refactor gc argument processing code slightly
jcoomes
parents:
20395
diff
changeset
|
1574 if (!gc_selected()) { |
22861
1f60a119863a
8073944: Simplify ArgumentsExt and remove unneeded functionallity
sjohanss
parents:
20783
diff
changeset
|
1575 select_gc_ergonomically(); |
20403
8ec8971f511a
8057531: refactor gc argument processing code slightly
jcoomes
parents:
20395
diff
changeset
|
1576 } |
8ec8971f511a
8057531: refactor gc argument processing code slightly
jcoomes
parents:
20395
diff
changeset
|
1577 } |
8ec8971f511a
8057531: refactor gc argument processing code slightly
jcoomes
parents:
20395
diff
changeset
|
1578 |
8ec8971f511a
8057531: refactor gc argument processing code slightly
jcoomes
parents:
20395
diff
changeset
|
1579 void Arguments::set_ergonomics_flags() { |
8ec8971f511a
8057531: refactor gc argument processing code slightly
jcoomes
parents:
20395
diff
changeset
|
1580 select_gc(); |
8ec8971f511a
8057531: refactor gc argument processing code slightly
jcoomes
parents:
20395
diff
changeset
|
1581 |
12280
9ed97b511b26
8024517: runtime/CDSCompressedKPtrs/XShareAuto.java failed with RuntimeException
hseigel
parents:
12276
diff
changeset
|
1582 #ifdef COMPILER2 |
9ed97b511b26
8024517: runtime/CDSCompressedKPtrs/XShareAuto.java failed with RuntimeException
hseigel
parents:
12276
diff
changeset
|
1583 // Shared spaces work fine with other GCs but causes bytecode rewriting |
9ed97b511b26
8024517: runtime/CDSCompressedKPtrs/XShareAuto.java failed with RuntimeException
hseigel
parents:
12276
diff
changeset
|
1584 // to be disabled, which hurts interpreter performance and decreases |
9ed97b511b26
8024517: runtime/CDSCompressedKPtrs/XShareAuto.java failed with RuntimeException
hseigel
parents:
12276
diff
changeset
|
1585 // server performance. When -server is specified, keep the default off |
9ed97b511b26
8024517: runtime/CDSCompressedKPtrs/XShareAuto.java failed with RuntimeException
hseigel
parents:
12276
diff
changeset
|
1586 // unless it is asked for. Future work: either add bytecode rewriting |
9ed97b511b26
8024517: runtime/CDSCompressedKPtrs/XShareAuto.java failed with RuntimeException
hseigel
parents:
12276
diff
changeset
|
1587 // at link time, or rewrite bytecodes in non-shared methods. |
9ed97b511b26
8024517: runtime/CDSCompressedKPtrs/XShareAuto.java failed with RuntimeException
hseigel
parents:
12276
diff
changeset
|
1588 if (!DumpSharedSpaces && !RequireSharedSpaces && |
9ed97b511b26
8024517: runtime/CDSCompressedKPtrs/XShareAuto.java failed with RuntimeException
hseigel
parents:
12276
diff
changeset
|
1589 (FLAG_IS_DEFAULT(UseSharedSpaces) || !UseSharedSpaces)) { |
20375
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
1590 no_shared_spaces("COMPILER2 default: -Xshare:auto | off, have to manually setup to on."); |
12280
9ed97b511b26
8024517: runtime/CDSCompressedKPtrs/XShareAuto.java failed with RuntimeException
hseigel
parents:
12276
diff
changeset
|
1591 } |
9ed97b511b26
8024517: runtime/CDSCompressedKPtrs/XShareAuto.java failed with RuntimeException
hseigel
parents:
12276
diff
changeset
|
1592 #endif |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
76
diff
changeset
|
1593 |
12233
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
1594 set_conservative_max_heap_alignment(); |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
1595 |
1010 | 1596 #ifndef ZERO |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
76
diff
changeset
|
1597 #ifdef _LP64 |
8741
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1598 set_use_compressed_oops(); |
12056
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
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12003
diff
changeset
|
1599 |
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1600 // set_use_compressed_klass_ptrs() must be called after calling |
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
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12003
diff
changeset
|
1601 // set_use_compressed_oops(). |
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1602 set_use_compressed_klass_ptrs(); |
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
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12003
diff
changeset
|
1603 |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
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76
diff
changeset
|
1604 // Also checks that certain machines are slower with compressed oops |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
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76
diff
changeset
|
1605 // in vm_version initialization code. |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
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76
diff
changeset
|
1606 #endif // _LP64 |
1010 | 1607 #endif // !ZERO |
0 | 1608 } |
1609 | |
1610 void Arguments::set_parallel_gc_flags() { | |
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
1611 assert(UseParallelGC || UseParallelOldGC, "Error"); |
4879 | 1612 // Enable ParallelOld unless it was explicitly disabled (cmd line or rc file). |
1613 if (FLAG_IS_DEFAULT(UseParallelOldGC)) { | |
1614 FLAG_SET_DEFAULT(UseParallelOldGC, true); | |
0 | 1615 } |
4879 | 1616 FLAG_SET_DEFAULT(UseParallelGC, true); |
0 | 1617 |
1618 // If no heap maximum was requested explicitly, use some reasonable fraction | |
1619 // of the physical memory, up to a maximum of 1GB. | |
7471
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1620 FLAG_SET_DEFAULT(ParallelGCThreads, |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1621 Abstract_VM_Version::parallel_worker_threads()); |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1622 if (ParallelGCThreads == 0) { |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1623 jio_fprintf(defaultStream::error_stream(), |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1624 "The Parallel GC can not be combined with -XX:ParallelGCThreads=0\n"); |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1625 vm_exit(1); |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1626 } |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1627 |
17648
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
1628 if (UseAdaptiveSizePolicy) { |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
1629 // We don't want to limit adaptive heap sizing's freedom to adjust the heap |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
1630 // unless the user actually sets these flags. |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
1631 if (FLAG_IS_DEFAULT(MinHeapFreeRatio)) { |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
1632 FLAG_SET_DEFAULT(MinHeapFreeRatio, 0); |
20345
f933a15469d4
8055006: Store original value of Min/MaxHeapFreeRatio
jwilhelm
parents:
20317
diff
changeset
|
1633 _min_heap_free_ratio = MinHeapFreeRatio; |
17648
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
1634 } |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
1635 if (FLAG_IS_DEFAULT(MaxHeapFreeRatio)) { |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
1636 FLAG_SET_DEFAULT(MaxHeapFreeRatio, 100); |
20345
f933a15469d4
8055006: Store original value of Min/MaxHeapFreeRatio
jwilhelm
parents:
20317
diff
changeset
|
1637 _max_heap_free_ratio = MaxHeapFreeRatio; |
17648
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
1638 } |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
1639 } |
7471
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1640 |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1641 // If InitialSurvivorRatio or MinSurvivorRatio were not specified, but the |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1642 // SurvivorRatio has been set, reset their default values to SurvivorRatio + |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1643 // 2. By doing this we make SurvivorRatio also work for Parallel Scavenger. |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1644 // See CR 6362902 for details. |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1645 if (!FLAG_IS_DEFAULT(SurvivorRatio)) { |
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1646 if (FLAG_IS_DEFAULT(InitialSurvivorRatio)) { |
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1647 FLAG_SET_DEFAULT(InitialSurvivorRatio, SurvivorRatio + 2); |
0 | 1648 } |
7471
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1649 if (FLAG_IS_DEFAULT(MinSurvivorRatio)) { |
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1650 FLAG_SET_DEFAULT(MinSurvivorRatio, SurvivorRatio + 2); |
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1651 } |
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|
1652 } |
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1653 |
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|
1654 if (UseParallelOldGC) { |
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|
1655 // Par compact uses lower default values since they are treated as |
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|
1656 // minimums. These are different defaults because of the different |
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1657 // interpretation and are not ergonomically set. |
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1658 if (FLAG_IS_DEFAULT(MarkSweepDeadRatio)) { |
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1659 FLAG_SET_DEFAULT(MarkSweepDeadRatio, 1); |
0 | 1660 } |
1661 } | |
1662 } | |
1663 | |
342
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1664 void Arguments::set_g1_gc_flags() { |
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1665 assert(UseG1GC, "Error"); |
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1666 #ifdef COMPILER1 |
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1667 FastTLABRefill = false; |
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1668 #endif |
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1669 FLAG_SET_DEFAULT(ParallelGCThreads, |
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1670 Abstract_VM_Version::parallel_worker_threads()); |
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1671 if (ParallelGCThreads == 0) { |
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1672 FLAG_SET_DEFAULT(ParallelGCThreads, |
751 | 1673 Abstract_VM_Version::parallel_worker_threads()); |
342
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1674 } |
751 | 1675 |
20505
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1676 #if INCLUDE_ALL_GCS |
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1677 if (G1ConcRefinementThreads == 0) { |
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1678 FLAG_SET_DEFAULT(G1ConcRefinementThreads, ParallelGCThreads); |
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1679 } |
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1680 #endif |
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1681 |
7397
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1682 // MarkStackSize will be set (if it hasn't been set by the user) |
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1683 // when concurrent marking is initialized. |
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1684 // Its value will be based upon the number of parallel marking threads. |
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1685 // But we do set the maximum mark stack size here. |
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1686 if (FLAG_IS_DEFAULT(MarkStackSizeMax)) { |
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|
1687 FLAG_SET_DEFAULT(MarkStackSizeMax, 128 * TASKQUEUE_SIZE); |
1284 | 1688 } |
1356 | 1689 |
1690 if (FLAG_IS_DEFAULT(GCTimeRatio) || GCTimeRatio == 0) { | |
1691 // In G1, we want the default GC overhead goal to be higher than | |
1692 // say in PS. So we set it here to 10%. Otherwise the heap might | |
1693 // be expanded more aggressively than we would like it to. In | |
1694 // fact, even 10% seems to not be high enough in some cases | |
1695 // (especially small GC stress tests that the main thing they do | |
1696 // is allocation). We might consider increase it further. | |
1697 FLAG_SET_DEFAULT(GCTimeRatio, 9); | |
1698 } | |
7397
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|
1699 |
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|
1700 if (PrintGCDetails && Verbose) { |
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|
1701 tty->print_cr("MarkStackSize: %uk MarkStackSizeMax: %uk", |
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1702 (unsigned int) (MarkStackSize / K), (uint) (MarkStackSizeMax / K)); |
78bbf4d43a14
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|
1703 tty->print_cr("ConcGCThreads: %u", (uint) ConcGCThreads); |
7397
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1704 } |
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1705 } |
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1706 |
20403
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1707 #if !INCLUDE_ALL_GCS |
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1708 #ifdef ASSERT |
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|
1709 static bool verify_serial_gc_flags() { |
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1710 return (UseSerialGC && |
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|
1711 !(UseParNewGC || (UseConcMarkSweepGC || CMSIncrementalMode) || UseG1GC || |
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1712 UseParallelGC || UseParallelOldGC)); |
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|
1713 } |
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|
1714 #endif // ASSERT |
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|
1715 #endif // INCLUDE_ALL_GCS |
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|
1716 |
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|
1717 void Arguments::set_gc_specific_flags() { |
8ec8971f511a
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|
1718 #if INCLUDE_ALL_GCS |
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|
1719 // Set per-collector flags |
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|
1720 if (UseParallelGC || UseParallelOldGC) { |
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|
1721 set_parallel_gc_flags(); |
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|
1722 } else if (UseConcMarkSweepGC) { // Should be done before ParNew check below |
8ec8971f511a
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|
1723 set_cms_and_parnew_gc_flags(); |
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|
1724 } else if (UseParNewGC) { // Skipped if CMS is set above |
8ec8971f511a
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|
1725 set_parnew_gc_flags(); |
8ec8971f511a
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diff
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|
1726 } else if (UseG1GC) { |
8ec8971f511a
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diff
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|
1727 set_g1_gc_flags(); |
8ec8971f511a
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diff
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|
1728 } |
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diff
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|
1729 check_deprecated_gcs(); |
8ec8971f511a
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diff
changeset
|
1730 check_deprecated_gc_flags(); |
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|
1731 if (AssumeMP && !UseSerialGC) { |
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|
1732 if (FLAG_IS_DEFAULT(ParallelGCThreads) && ParallelGCThreads == 1) { |
8ec8971f511a
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|
1733 warning("If the number of processors is expected to increase from one, then" |
8ec8971f511a
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diff
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|
1734 " you should configure the number of parallel GC threads appropriately" |
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|
1735 " using -XX:ParallelGCThreads=N"); |
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diff
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|
1736 } |
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|
1737 } |
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|
1738 if (MinHeapFreeRatio == 100) { |
8ec8971f511a
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|
1739 // Keeping the heap 100% free is hard ;-) so limit it to 99%. |
8ec8971f511a
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|
1740 FLAG_SET_ERGO(uintx, MinHeapFreeRatio, 99); |
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|
1741 } |
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|
1742 #else // INCLUDE_ALL_GCS |
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|
1743 assert(verify_serial_gc_flags(), "SerialGC unset"); |
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|
1744 #endif // INCLUDE_ALL_GCS |
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|
1745 } |
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|
1746 |
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|
1747 julong Arguments::limit_by_allocatable_memory(julong limit) { |
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7112912: Message "Error occurred during initialization of VM" on boxes with lots of RAM
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|
1748 julong max_allocatable; |
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|
1749 julong result = limit; |
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|
1750 if (os::has_allocatable_memory_limit(&max_allocatable)) { |
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|
1751 result = MIN2(result, max_allocatable / MaxVirtMemFraction); |
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|
1752 } |
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|
1753 return result; |
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|
1754 } |
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|
1755 |
1064 | 1756 void Arguments::set_heap_size() { |
1757 if (!FLAG_IS_DEFAULT(DefaultMaxRAMFraction)) { | |
1758 // Deprecated flag | |
1759 FLAG_SET_CMDLINE(uintx, MaxRAMFraction, DefaultMaxRAMFraction); | |
1760 } | |
1761 | |
1762 const julong phys_mem = | |
1763 FLAG_IS_DEFAULT(MaxRAM) ? MIN2(os::physical_memory(), (julong)MaxRAM) | |
1764 : (julong)MaxRAM; | |
1765 | |
1766 // If the maximum heap size has not been set with -Xmx, | |
1767 // then set it as fraction of the size of physical memory, | |
1768 // respecting the maximum and minimum sizes of the heap. | |
342
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|
1769 if (FLAG_IS_DEFAULT(MaxHeapSize)) { |
1064 | 1770 julong reasonable_max = phys_mem / MaxRAMFraction; |
1771 | |
1772 if (phys_mem <= MaxHeapSize * MinRAMFraction) { | |
1773 // Small physical memory, so use a minimum fraction of it for the heap | |
1774 reasonable_max = phys_mem / MinRAMFraction; | |
1775 } else { | |
1776 // Not-small physical memory, so require a heap at least | |
1777 // as large as MaxHeapSize | |
1778 reasonable_max = MAX2(reasonable_max, (julong)MaxHeapSize); | |
1779 } | |
1780 if (!FLAG_IS_DEFAULT(ErgoHeapSizeLimit) && ErgoHeapSizeLimit != 0) { | |
1781 // Limit the heap size to ErgoHeapSizeLimit | |
1782 reasonable_max = MIN2(reasonable_max, (julong)ErgoHeapSizeLimit); | |
342
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|
1783 } |
1064 | 1784 if (UseCompressedOops) { |
1785 // Limit the heap size to the maximum possible when using compressed oops | |
1963 | 1786 julong max_coop_heap = (julong)max_heap_for_compressed_oops(); |
1787 if (HeapBaseMinAddress + MaxHeapSize < max_coop_heap) { | |
1788 // Heap should be above HeapBaseMinAddress to get zero based compressed oops | |
1789 // but it should be not less than default MaxHeapSize. | |
1790 max_coop_heap -= HeapBaseMinAddress; | |
1791 } | |
1792 reasonable_max = MIN2(reasonable_max, max_coop_heap); | |
1064 | 1793 } |
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|
1794 reasonable_max = limit_by_allocatable_memory(reasonable_max); |
1064 | 1795 |
1796 if (!FLAG_IS_DEFAULT(InitialHeapSize)) { | |
1797 // An initial heap size was specified on the command line, | |
1798 // so be sure that the maximum size is consistent. Done | |
8854
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|
1799 // after call to limit_by_allocatable_memory because that |
1064 | 1800 // method might reduce the allocation size. |
1801 reasonable_max = MAX2(reasonable_max, (julong)InitialHeapSize); | |
1802 } | |
1803 | |
342
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1804 if (PrintGCDetails && Verbose) { |
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|
1805 // Cannot use gclog_or_tty yet. |
17937
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1806 tty->print_cr(" Maximum heap size " SIZE_FORMAT, (size_t) reasonable_max); |
342
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1807 } |
1064 | 1808 FLAG_SET_ERGO(uintx, MaxHeapSize, (uintx)reasonable_max); |
1809 } | |
1810 | |
10241
d17700c82d7d
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|
1811 // If the minimum or initial heap_size have not been set or requested to be set |
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|
1812 // ergonomically, set them accordingly. |
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|
1813 if (InitialHeapSize == 0 || min_heap_size() == 0) { |
1074
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diff
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|
1814 julong reasonable_minimum = (julong)(OldSize + NewSize); |
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|
1815 |
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|
1816 reasonable_minimum = MIN2(reasonable_minimum, (julong)MaxHeapSize); |
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|
1817 |
8854
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|
1818 reasonable_minimum = limit_by_allocatable_memory(reasonable_minimum); |
1074
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1819 |
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1820 if (InitialHeapSize == 0) { |
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1821 julong reasonable_initial = phys_mem / InitialRAMFraction; |
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1822 |
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1823 reasonable_initial = MAX3(reasonable_initial, reasonable_minimum, (julong)min_heap_size()); |
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1824 reasonable_initial = MIN2(reasonable_initial, (julong)MaxHeapSize); |
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1825 |
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1826 reasonable_initial = limit_by_allocatable_memory(reasonable_initial); |
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1827 |
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1828 if (PrintGCDetails && Verbose) { |
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1829 // Cannot use gclog_or_tty yet. |
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1830 tty->print_cr(" Initial heap size " SIZE_FORMAT, (uintx)reasonable_initial); |
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1831 } |
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1832 FLAG_SET_ERGO(uintx, InitialHeapSize, (uintx)reasonable_initial); |
342
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1833 } |
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1834 // If the minimum heap size has not been set (via -Xms), |
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1835 // synchronize with InitialHeapSize to avoid errors with the default value. |
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1836 if (min_heap_size() == 0) { |
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1837 set_min_heap_size(MIN2((uintx)reasonable_minimum, InitialHeapSize)); |
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1838 if (PrintGCDetails && Verbose) { |
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1839 // Cannot use gclog_or_tty yet. |
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1840 tty->print_cr(" Minimum heap size " SIZE_FORMAT, min_heap_size()); |
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1841 } |
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1842 } |
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1843 } |
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1844 } |
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1845 |
0 | 1846 // This must be called after ergonomics because we want bytecode rewriting |
1847 // if the server compiler is used, or if UseSharedSpaces is disabled. | |
1848 void Arguments::set_bytecode_flags() { | |
1849 // Better not attempt to store into a read-only space. | |
1850 if (UseSharedSpaces) { | |
1851 FLAG_SET_DEFAULT(RewriteBytecodes, false); | |
1852 FLAG_SET_DEFAULT(RewriteFrequentPairs, false); | |
1853 } | |
1854 | |
1855 if (!RewriteBytecodes) { | |
1856 FLAG_SET_DEFAULT(RewriteFrequentPairs, false); | |
1857 } | |
1858 } | |
1859 | |
1860 // Aggressive optimization flags -XX:+AggressiveOpts | |
1861 void Arguments::set_aggressive_opts_flags() { | |
17
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|
1862 #ifdef COMPILER2 |
10278 | 1863 if (AggressiveUnboxing) { |
1864 if (FLAG_IS_DEFAULT(EliminateAutoBox)) { | |
1865 FLAG_SET_DEFAULT(EliminateAutoBox, true); | |
1866 } else if (!EliminateAutoBox) { | |
1867 // warning("AggressiveUnboxing is disabled because EliminateAutoBox is disabled"); | |
1868 AggressiveUnboxing = false; | |
1869 } | |
1870 if (FLAG_IS_DEFAULT(DoEscapeAnalysis)) { | |
1871 FLAG_SET_DEFAULT(DoEscapeAnalysis, true); | |
1872 } else if (!DoEscapeAnalysis) { | |
1873 // warning("AggressiveUnboxing is disabled because DoEscapeAnalysis is disabled"); | |
1874 AggressiveUnboxing = false; | |
1875 } | |
1876 } | |
17
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1877 if (AggressiveOpts || !FLAG_IS_DEFAULT(AutoBoxCacheMax)) { |
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1878 if (FLAG_IS_DEFAULT(EliminateAutoBox)) { |
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1879 FLAG_SET_DEFAULT(EliminateAutoBox, true); |
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1880 } |
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1881 if (FLAG_IS_DEFAULT(AutoBoxCacheMax)) { |
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1882 FLAG_SET_DEFAULT(AutoBoxCacheMax, 20000); |
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1883 } |
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1884 |
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1885 // Feed the cache size setting into the JDK |
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1886 char buffer[1024]; |
513
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1887 sprintf(buffer, "java.lang.Integer.IntegerCache.high=" INTX_FORMAT, AutoBoxCacheMax); |
17
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1888 add_property(buffer); |
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1889 } |
416
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1890 if (AggressiveOpts && FLAG_IS_DEFAULT(BiasedLockingStartupDelay)) { |
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1891 FLAG_SET_DEFAULT(BiasedLockingStartupDelay, 500); |
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1892 } |
17
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1893 #endif |
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1894 |
0 | 1895 if (AggressiveOpts) { |
61 | 1896 // Sample flag setting code |
1897 // if (FLAG_IS_DEFAULT(EliminateZeroing)) { | |
1898 // FLAG_SET_DEFAULT(EliminateZeroing, true); | |
1899 // } | |
0 | 1900 } |
1901 } | |
1902 | |
1903 //=========================================================================================================== | |
1904 // Parsing of java.compiler property | |
1905 | |
1906 void Arguments::process_java_compiler_argument(char* arg) { | |
1907 // For backwards compatibility, Djava.compiler=NONE or "" | |
1908 // causes us to switch to -Xint mode UNLESS -Xdebug | |
1909 // is also specified. | |
1910 if (strlen(arg) == 0 || strcasecmp(arg, "NONE") == 0) { | |
1911 set_java_compiler(true); // "-Djava.compiler[=...]" most recently seen. | |
1912 } | |
1913 } | |
1914 | |
1915 void Arguments::process_java_launcher_argument(const char* launcher, void* extra_info) { | |
1916 _sun_java_launcher = strdup(launcher); | |
2302
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1917 if (strcmp("gamma", _sun_java_launcher) == 0) { |
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1918 _created_by_gamma_launcher = true; |
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1919 } |
0 | 1920 } |
1921 | |
1922 bool Arguments::created_by_java_launcher() { | |
1923 assert(_sun_java_launcher != NULL, "property must have value"); | |
1924 return strcmp(DEFAULT_JAVA_LAUNCHER, _sun_java_launcher) != 0; | |
1925 } | |
1926 | |
2302
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|
1927 bool Arguments::created_by_gamma_launcher() { |
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1928 return _created_by_gamma_launcher; |
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1929 } |
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|
1930 |
0 | 1931 //=========================================================================================================== |
1932 // Parsing of main arguments | |
1933 | |
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1934 bool Arguments::verify_interval(uintx val, uintx min, |
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1935 uintx max, const char* name) { |
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1936 // Returns true iff value is in the inclusive interval [min..max] |
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1937 // false, otherwise. |
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1938 if (val >= min && val <= max) { |
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1939 return true; |
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1940 } |
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1941 jio_fprintf(defaultStream::error_stream(), |
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1942 "%s of " UINTX_FORMAT " is invalid; must be between " UINTX_FORMAT |
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1943 " and " UINTX_FORMAT "\n", |
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1944 name, val, min, max); |
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1945 return false; |
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1946 } |
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1947 |
1744
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1948 bool Arguments::verify_min_value(intx val, intx min, const char* name) { |
2366
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1949 // Returns true if given value is at least specified min threshold |
1744
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1950 // false, otherwise. |
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1951 if (val >= min ) { |
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1952 return true; |
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1953 } |
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1954 jio_fprintf(defaultStream::error_stream(), |
2366
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1955 "%s of " INTX_FORMAT " is invalid; must be at least " INTX_FORMAT "\n", |
1744
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1956 name, val, min); |
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1957 return false; |
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1958 } |
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1959 |
0 | 1960 bool Arguments::verify_percentage(uintx value, const char* name) { |
17648
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1961 if (is_percentage(value)) { |
0 | 1962 return true; |
1963 } | |
1964 jio_fprintf(defaultStream::error_stream(), | |
1965 "%s of " UINTX_FORMAT " is invalid; must be between 0 and 100\n", | |
1966 name, value); | |
1967 return false; | |
1968 } | |
1969 | |
3767
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1970 // check if do gclog rotation |
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1971 // +UseGCLogFileRotation is a must, |
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|
1972 // no gc log rotation when log file not supplied or |
17827 | 1973 // NumberOfGCLogFiles is 0 |
3767
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1974 void check_gclog_consistency() { |
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|
1975 if (UseGCLogFileRotation) { |
17827 | 1976 if ((Arguments::gc_log_filename() == NULL) || (NumberOfGCLogFiles == 0)) { |
3767
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1977 jio_fprintf(defaultStream::output_stream(), |
17827 | 1978 "To enable GC log rotation, use -Xloggc:<filename> -XX:+UseGCLogFileRotation -XX:NumberOfGCLogFiles=<num_of_files>\n" |
1979 "where num_of_file > 0\n" | |
3767
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1980 "GC log rotation is turned off\n"); |
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|
1981 UseGCLogFileRotation = false; |
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1982 } |
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|
1983 } |
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|
1984 |
17827 | 1985 if (UseGCLogFileRotation && (GCLogFileSize != 0) && (GCLogFileSize < 8*K)) { |
1986 FLAG_SET_CMDLINE(uintx, GCLogFileSize, 8*K); | |
1987 jio_fprintf(defaultStream::output_stream(), | |
1988 "GCLogFileSize changed to minimum 8K\n"); | |
3767
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1989 } |
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1990 } |
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|
1991 |
12215 | 1992 // This function is called for -Xloggc:<filename>, it can be used |
1993 // to check if a given file name(or string) conforms to the following | |
1994 // specification: | |
1995 // A valid string only contains "[A-Z][a-z][0-9].-_%[p|t]" | |
1996 // %p and %t only allowed once. We only limit usage of filename not path | |
1997 bool is_filename_valid(const char *file_name) { | |
1998 const char* p = file_name; | |
1999 char file_sep = os::file_separator()[0]; | |
2000 const char* cp; | |
2001 // skip prefix path | |
2002 for (cp = file_name; *cp != '\0'; cp++) { | |
2003 if (*cp == '/' || *cp == file_sep) { | |
2004 p = cp + 1; | |
2005 } | |
2006 } | |
2007 | |
2008 int count_p = 0; | |
2009 int count_t = 0; | |
2010 while (*p != '\0') { | |
2011 if ((*p >= '0' && *p <= '9') || | |
2012 (*p >= 'A' && *p <= 'Z') || | |
2013 (*p >= 'a' && *p <= 'z') || | |
2014 *p == '-' || | |
2015 *p == '_' || | |
2016 *p == '.') { | |
2017 p++; | |
2018 continue; | |
2019 } | |
2020 if (*p == '%') { | |
2021 if(*(p + 1) == 'p') { | |
2022 p += 2; | |
2023 count_p ++; | |
2024 continue; | |
2025 } | |
2026 if (*(p + 1) == 't') { | |
2027 p += 2; | |
2028 count_t ++; | |
2029 continue; | |
2030 } | |
2031 } | |
2032 return false; | |
2033 } | |
2034 return count_p < 2 && count_t < 2; | |
2035 } | |
2036 | |
17648
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8028391: Make the Min/MaxHeapFreeRatio flags manageable
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17628
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changeset
|
2037 bool Arguments::verify_MinHeapFreeRatio(FormatBuffer<80>& err_msg, uintx min_heap_free_ratio) { |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
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parents:
17628
diff
changeset
|
2038 if (!is_percentage(min_heap_free_ratio)) { |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
2039 err_msg.print("MinHeapFreeRatio must have a value between 0 and 100"); |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
2040 return false; |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
2041 } |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
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parents:
17628
diff
changeset
|
2042 if (min_heap_free_ratio > MaxHeapFreeRatio) { |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
2043 err_msg.print("MinHeapFreeRatio (" UINTX_FORMAT ") must be less than or " |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
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parents:
17628
diff
changeset
|
2044 "equal to MaxHeapFreeRatio (" UINTX_FORMAT ")", min_heap_free_ratio, |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
2045 MaxHeapFreeRatio); |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
2046 return false; |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
2047 } |
20345
f933a15469d4
8055006: Store original value of Min/MaxHeapFreeRatio
jwilhelm
parents:
20317
diff
changeset
|
2048 // This does not set the flag itself, but stores the value in a safe place for later usage. |
f933a15469d4
8055006: Store original value of Min/MaxHeapFreeRatio
jwilhelm
parents:
20317
diff
changeset
|
2049 _min_heap_free_ratio = min_heap_free_ratio; |
17648
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
2050 return true; |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
2051 } |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
2052 |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
2053 bool Arguments::verify_MaxHeapFreeRatio(FormatBuffer<80>& err_msg, uintx max_heap_free_ratio) { |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
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17628
diff
changeset
|
2054 if (!is_percentage(max_heap_free_ratio)) { |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
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parents:
17628
diff
changeset
|
2055 err_msg.print("MaxHeapFreeRatio must have a value between 0 and 100"); |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
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parents:
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diff
changeset
|
2056 return false; |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
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parents:
17628
diff
changeset
|
2057 } |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
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parents:
17628
diff
changeset
|
2058 if (max_heap_free_ratio < MinHeapFreeRatio) { |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
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parents:
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diff
changeset
|
2059 err_msg.print("MaxHeapFreeRatio (" UINTX_FORMAT ") must be greater than or " |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
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parents:
17628
diff
changeset
|
2060 "equal to MinHeapFreeRatio (" UINTX_FORMAT ")", max_heap_free_ratio, |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
2061 MinHeapFreeRatio); |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
2062 return false; |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
2063 } |
20345
f933a15469d4
8055006: Store original value of Min/MaxHeapFreeRatio
jwilhelm
parents:
20317
diff
changeset
|
2064 // This does not set the flag itself, but stores the value in a safe place for later usage. |
f933a15469d4
8055006: Store original value of Min/MaxHeapFreeRatio
jwilhelm
parents:
20317
diff
changeset
|
2065 _max_heap_free_ratio = max_heap_free_ratio; |
17648
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
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parents:
17628
diff
changeset
|
2066 return true; |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
2067 } |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
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parents:
17628
diff
changeset
|
2068 |
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2069 // Check consistency of GC selection |
22861
1f60a119863a
8073944: Simplify ArgumentsExt and remove unneeded functionallity
sjohanss
parents:
20783
diff
changeset
|
2070 bool Arguments::check_gc_consistency() { |
3767
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
2071 check_gclog_consistency(); |
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2072 bool status = true; |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2073 // Ensure that the user has not selected conflicting sets |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2074 // of collectors. [Note: this check is merely a user convenience; |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2075 // collectors over-ride each other so that only a non-conflicting |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2076 // set is selected; however what the user gets is not what they |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2077 // may have expected from the combination they asked for. It's |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2078 // better to reduce user confusion by not allowing them to |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2079 // select conflicting combinations. |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2080 uint i = 0; |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2081 if (UseSerialGC) i++; |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2082 if (UseConcMarkSweepGC || UseParNewGC) i++; |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2083 if (UseParallelGC || UseParallelOldGC) i++; |
845
df6caf649ff7
6700789: G1: Enable use of compressed oops with G1 heaps
ysr
parents:
751
diff
changeset
|
2084 if (UseG1GC) i++; |
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2085 if (i > 1) { |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2086 jio_fprintf(defaultStream::error_stream(), |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2087 "Conflicting collector combinations in option list; " |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2088 "please refer to the release notes for the combinations " |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2089 "allowed\n"); |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2090 status = false; |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2091 } |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2092 return status; |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2093 } |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2094 |
7452
e0ab18eafbde
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
7451
diff
changeset
|
2095 void Arguments::check_deprecated_gcs() { |
e0ab18eafbde
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
7451
diff
changeset
|
2096 if (UseConcMarkSweepGC && !UseParNewGC) { |
e0ab18eafbde
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
7451
diff
changeset
|
2097 warning("Using the DefNew young collector with the CMS collector is deprecated " |
e0ab18eafbde
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
7451
diff
changeset
|
2098 "and will likely be removed in a future release"); |
e0ab18eafbde
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
7451
diff
changeset
|
2099 } |
e0ab18eafbde
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
7451
diff
changeset
|
2100 |
e0ab18eafbde
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
7451
diff
changeset
|
2101 if (UseParNewGC && !UseConcMarkSweepGC) { |
e0ab18eafbde
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
7451
diff
changeset
|
2102 // !UseConcMarkSweepGC means that we are using serial old gc. Unfortunately we don't |
e0ab18eafbde
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
7451
diff
changeset
|
2103 // set up UseSerialGC properly, so that can't be used in the check here. |
e0ab18eafbde
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
7451
diff
changeset
|
2104 warning("Using the ParNew young collector with the Serial old collector is deprecated " |
e0ab18eafbde
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
7451
diff
changeset
|
2105 "and will likely be removed in a future release"); |
e0ab18eafbde
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
7451
diff
changeset
|
2106 } |
7453 | 2107 |
2108 if (CMSIncrementalMode) { | |
2109 warning("Using incremental CMS is deprecated and will likely be removed in a future release"); | |
2110 } | |
7452
e0ab18eafbde
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
7451
diff
changeset
|
2111 } |
e0ab18eafbde
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
7451
diff
changeset
|
2112 |
8734 | 2113 void Arguments::check_deprecated_gc_flags() { |
2114 if (FLAG_IS_CMDLINE(MaxGCMinorPauseMillis)) { | |
2115 warning("Using MaxGCMinorPauseMillis as minor pause goal is deprecated" | |
2116 "and will likely be removed in future release"); | |
2117 } | |
11977 | 2118 if (FLAG_IS_CMDLINE(DefaultMaxRAMFraction)) { |
2119 warning("DefaultMaxRAMFraction is deprecated and will likely be removed in a future release. " | |
2120 "Use MaxRAMFraction instead."); | |
2121 } | |
13008
3b3133d93fb6
8027132: Print deprecation warning message for the flags controlling the CMS foreground collector
brutisso
parents:
12976
diff
changeset
|
2122 if (FLAG_IS_CMDLINE(UseCMSCompactAtFullCollection)) { |
3b3133d93fb6
8027132: Print deprecation warning message for the flags controlling the CMS foreground collector
brutisso
parents:
12976
diff
changeset
|
2123 warning("UseCMSCompactAtFullCollection is deprecated and will likely be removed in a future release."); |
3b3133d93fb6
8027132: Print deprecation warning message for the flags controlling the CMS foreground collector
brutisso
parents:
12976
diff
changeset
|
2124 } |
3b3133d93fb6
8027132: Print deprecation warning message for the flags controlling the CMS foreground collector
brutisso
parents:
12976
diff
changeset
|
2125 if (FLAG_IS_CMDLINE(CMSFullGCsBeforeCompaction)) { |
3b3133d93fb6
8027132: Print deprecation warning message for the flags controlling the CMS foreground collector
brutisso
parents:
12976
diff
changeset
|
2126 warning("CMSFullGCsBeforeCompaction is deprecated and will likely be removed in a future release."); |
3b3133d93fb6
8027132: Print deprecation warning message for the flags controlling the CMS foreground collector
brutisso
parents:
12976
diff
changeset
|
2127 } |
3b3133d93fb6
8027132: Print deprecation warning message for the flags controlling the CMS foreground collector
brutisso
parents:
12976
diff
changeset
|
2128 if (FLAG_IS_CMDLINE(UseCMSCollectionPassing)) { |
3b3133d93fb6
8027132: Print deprecation warning message for the flags controlling the CMS foreground collector
brutisso
parents:
12976
diff
changeset
|
2129 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
|
2130 } |
8734 | 2131 } |
2132 | |
1744
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
2133 // Check stack pages settings |
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
2134 bool Arguments::check_stack_pages() |
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
2135 { |
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
2136 bool status = true; |
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
2137 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
|
2138 status = status && verify_min_value(StackRedPages, 1, "StackRedPages"); |
1867
b6aedd1acdc0
6983240: guarantee((Solaris::min_stack_allowed >= (StackYellowPages+StackRedPages...) wrong
coleenp
parents:
1864
diff
changeset
|
2139 // 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
|
2140 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
|
2141 return status; |
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
2142 } |
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
2143 |
0 | 2144 // Check the consistency of vm_init_args |
2145 bool Arguments::check_vm_args_consistency() { | |
2146 // Method for adding checks for flag consistency. | |
2147 // The intent is to warn the user of all possible conflicts, | |
2148 // before returning an error. | |
2149 // Note: Needs platform-dependent factoring. | |
2150 bool status = true; | |
2151 | |
2152 // Allow both -XX:-UseStackBanging and -XX:-UseBoundThreads in non-product | |
2153 // builds so the cost of stack banging can be measured. | |
2154 #if (defined(PRODUCT) && defined(SOLARIS)) | |
2155 if (!UseBoundThreads && !UseStackBanging) { | |
2156 jio_fprintf(defaultStream::error_stream(), | |
2157 "-UseStackBanging conflicts with -UseBoundThreads\n"); | |
2158 | |
2159 status = false; | |
2160 } | |
2161 #endif | |
2162 | |
2163 if (TLABRefillWasteFraction == 0) { | |
2164 jio_fprintf(defaultStream::error_stream(), | |
2165 "TLABRefillWasteFraction should be a denominator, " | |
2166 "not " SIZE_FORMAT "\n", | |
2167 TLABRefillWasteFraction); | |
2168 status = false; | |
2169 } | |
2170 | |
10287
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2171 status = status && verify_interval(AdaptiveSizePolicyWeight, 0, 100, |
0 | 2172 "AdaptiveSizePolicyWeight"); |
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2173 status = status && verify_percentage(ThresholdTolerance, "ThresholdTolerance"); |
0 | 2174 |
6982
e4f764ddb06a
7122219: Passed StringTableSize value not verified
hseigel
parents:
6928
diff
changeset
|
2175 // 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
|
2176 // 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
|
2177 status = status && verify_interval(StringTableSize, minimumStringTableSize, |
6982
e4f764ddb06a
7122219: Passed StringTableSize value not verified
hseigel
parents:
6928
diff
changeset
|
2178 (max_uintx / StringTable::bucket_size()), "StringTable size"); |
e4f764ddb06a
7122219: Passed StringTableSize value not verified
hseigel
parents:
6928
diff
changeset
|
2179 |
12825
c90e76575b03
8019375: Internal symbol table size should be tunable.
kevinw
parents:
12326
diff
changeset
|
2180 status = status && verify_interval(SymbolTableSize, minimumSymbolTableSize, |
c90e76575b03
8019375: Internal symbol table size should be tunable.
kevinw
parents:
12326
diff
changeset
|
2181 (max_uintx / SymbolTable::bucket_size()), "SymbolTable size"); |
c90e76575b03
8019375: Internal symbol table size should be tunable.
kevinw
parents:
12326
diff
changeset
|
2182 |
17648
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
2183 { |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
2184 // 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
|
2185 // 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
|
2186 // 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
|
2187 FormatBuffer<80> err_msg("%s",""); |
17648
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
2188 if (!verify_MinHeapFreeRatio(err_msg, MinHeapFreeRatio)) { |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
2189 jio_fprintf(defaultStream::error_stream(), "%s\n", err_msg.buffer()); |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
2190 status = false; |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
2191 } else if (!verify_MaxHeapFreeRatio(err_msg, MaxHeapFreeRatio)) { |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
2192 jio_fprintf(defaultStream::error_stream(), "%s\n", err_msg.buffer()); |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
2193 status = false; |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
2194 } |
0 | 2195 } |
2196 | |
8040
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2197 // Min/MaxMetaspaceFreeRatio |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2198 status = status && verify_percentage(MinMetaspaceFreeRatio, "MinMetaspaceFreeRatio"); |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2199 status = status && verify_percentage(MaxMetaspaceFreeRatio, "MaxMetaspaceFreeRatio"); |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2200 |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2201 if (MinMetaspaceFreeRatio > MaxMetaspaceFreeRatio) { |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2202 jio_fprintf(defaultStream::error_stream(), |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2203 "MinMetaspaceFreeRatio (%s" UINTX_FORMAT ") must be less than or " |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2204 "equal to MaxMetaspaceFreeRatio (%s" UINTX_FORMAT ")\n", |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2205 FLAG_IS_DEFAULT(MinMetaspaceFreeRatio) ? "Default: " : "", |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2206 MinMetaspaceFreeRatio, |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2207 FLAG_IS_DEFAULT(MaxMetaspaceFreeRatio) ? "Default: " : "", |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2208 MaxMetaspaceFreeRatio); |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2209 status = false; |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2210 } |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2211 |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2212 // Trying to keep 100% free is not practical |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2213 MinMetaspaceFreeRatio = MIN2(MinMetaspaceFreeRatio, (uintx) 99); |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2214 |
0 | 2215 if (FullGCALot && FLAG_IS_DEFAULT(MarkSweepAlwaysCompactCount)) { |
2216 MarkSweepAlwaysCompactCount = 1; // Move objects every gc. | |
2217 } | |
2218 | |
483
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2219 if (UseParallelOldGC && ParallelOldGCSplitALot) { |
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2220 // Settings to encourage splitting. |
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2221 if (!FLAG_IS_CMDLINE(NewRatio)) { |
8035 | 2222 FLAG_SET_CMDLINE(uintx, NewRatio, 2); |
483
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2223 } |
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2224 if (!FLAG_IS_CMDLINE(ScavengeBeforeFullGC)) { |
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2225 FLAG_SET_CMDLINE(bool, ScavengeBeforeFullGC, false); |
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2226 } |
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2227 } |
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2228 |
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2229 status = status && verify_percentage(GCHeapFreeLimit, "GCHeapFreeLimit"); |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2230 status = status && verify_percentage(GCTimeLimit, "GCTimeLimit"); |
0 | 2231 if (GCTimeLimit == 100) { |
2232 // Turn off gc-overhead-limit-exceeded checks | |
2233 FLAG_SET_DEFAULT(UseGCOverheadLimit, false); | |
2234 } | |
2235 | |
22861
1f60a119863a
8073944: Simplify ArgumentsExt and remove unneeded functionallity
sjohanss
parents:
20783
diff
changeset
|
2236 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
|
2237 status = status && check_stack_pages(); |
0 | 2238 |
2239 if (CMSIncrementalMode) { | |
2240 if (!UseConcMarkSweepGC) { | |
2241 jio_fprintf(defaultStream::error_stream(), | |
2242 "error: invalid argument combination.\n" | |
2243 "The CMS collector (-XX:+UseConcMarkSweepGC) must be " | |
2244 "selected in order\nto use CMSIncrementalMode.\n"); | |
2245 status = false; | |
2246 } else { | |
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2247 status = status && verify_percentage(CMSIncrementalDutyCycle, |
0 | 2248 "CMSIncrementalDutyCycle"); |
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2249 status = status && verify_percentage(CMSIncrementalDutyCycleMin, |
0 | 2250 "CMSIncrementalDutyCycleMin"); |
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2251 status = status && verify_percentage(CMSIncrementalSafetyFactor, |
0 | 2252 "CMSIncrementalSafetyFactor"); |
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2253 status = status && verify_percentage(CMSIncrementalOffset, |
0 | 2254 "CMSIncrementalOffset"); |
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2255 status = status && verify_percentage(CMSExpAvgFactor, |
0 | 2256 "CMSExpAvgFactor"); |
2257 // If it was not set on the command line, set | |
2258 // CMSInitiatingOccupancyFraction to 1 so icms can initiate cycles early. | |
2259 if (CMSInitiatingOccupancyFraction < 0) { | |
2260 FLAG_SET_DEFAULT(CMSInitiatingOccupancyFraction, 1); | |
2261 } | |
2262 } | |
2263 } | |
2264 | |
2265 // CMS space iteration, which FLSVerifyAllHeapreferences entails, | |
2266 // insists that we hold the requisite locks so that the iteration is | |
2267 // MT-safe. For the verification at start-up and shut-down, we don't | |
2268 // yet have a good way of acquiring and releasing these locks, | |
2269 // which are not visible at the CollectedHeap level. We want to | |
2270 // be able to acquire these locks and then do the iteration rather | |
2271 // than just disable the lock verification. This will be fixed under | |
2272 // bug 4788986. | |
2273 if (UseConcMarkSweepGC && FLSVerifyAllHeapReferences) { | |
9071
68fe50d4f1d5
8011343: Add new flag for verifying the heap during startup
johnc
parents:
8859
diff
changeset
|
2274 if (VerifyDuringStartup) { |
0 | 2275 warning("Heap verification at start-up disabled " |
2276 "(due to current incompatibility with FLSVerifyAllHeapReferences)"); | |
9071
68fe50d4f1d5
8011343: Add new flag for verifying the heap during startup
johnc
parents:
8859
diff
changeset
|
2277 VerifyDuringStartup = false; // Disable verification at start-up |
0 | 2278 } |
9071
68fe50d4f1d5
8011343: Add new flag for verifying the heap during startup
johnc
parents:
8859
diff
changeset
|
2279 |
0 | 2280 if (VerifyBeforeExit) { |
2281 warning("Heap verification at shutdown disabled " | |
2282 "(due to current incompatibility with FLSVerifyAllHeapReferences)"); | |
2283 VerifyBeforeExit = false; // Disable verification at shutdown | |
2284 } | |
2285 } | |
2286 | |
2287 // Note: only executed in non-PRODUCT mode | |
2288 if (!UseAsyncConcMarkSweepGC && | |
2289 (ExplicitGCInvokesConcurrent || | |
2290 ExplicitGCInvokesConcurrentAndUnloadsClasses)) { | |
2291 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
|
2292 "error: +ExplicitGCInvokesConcurrent[AndUnloadsClasses] conflicts" |
0 | 2293 " with -UseAsyncConcMarkSweepGC"); |
2294 status = false; | |
2295 } | |
2296 | |
2366
1fb790245268
6820066: Check that -XX:ParGCArrayScanChunk has a value larger than zero.
jwilhelm
parents:
2362
diff
changeset
|
2297 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
|
2298 |
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
2299 #if INCLUDE_ALL_GCS |
1283
1c72304f1885
6928073: G1: use existing command line parameters for marking cycle initiation
tonyp
parents:
1257
diff
changeset
|
2300 if (UseG1GC) { |
13060
8f07aa079343
8016309: assert(eden_size > 0 && survivor_size > 0) failed: just checking
jwilhelm
parents:
13059
diff
changeset
|
2301 status = status && verify_percentage(G1NewSizePercent, "G1NewSizePercent"); |
8f07aa079343
8016309: assert(eden_size > 0 && survivor_size > 0) failed: just checking
jwilhelm
parents:
13059
diff
changeset
|
2302 status = status && verify_percentage(G1MaxNewSizePercent, "G1MaxNewSizePercent"); |
8f07aa079343
8016309: assert(eden_size > 0 && survivor_size > 0) failed: just checking
jwilhelm
parents:
13059
diff
changeset
|
2303 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
|
2304 |
1283
1c72304f1885
6928073: G1: use existing command line parameters for marking cycle initiation
tonyp
parents:
1257
diff
changeset
|
2305 status = status && verify_percentage(InitiatingHeapOccupancyPercent, |
1c72304f1885
6928073: G1: use existing command line parameters for marking cycle initiation
tonyp
parents:
1257
diff
changeset
|
2306 "InitiatingHeapOccupancyPercent"); |
2174
234761c55641
6608385: G1: need to support parallel reference processing
johnc
parents:
2129
diff
changeset
|
2307 status = status && verify_min_value(G1RefProcDrainInterval, 1, |
234761c55641
6608385: G1: need to support parallel reference processing
johnc
parents:
2129
diff
changeset
|
2308 "G1RefProcDrainInterval"); |
234761c55641
6608385: G1: need to support parallel reference processing
johnc
parents:
2129
diff
changeset
|
2309 status = status && verify_min_value((intx)G1ConcMarkStepDurationMillis, 1, |
234761c55641
6608385: G1: need to support parallel reference processing
johnc
parents:
2129
diff
changeset
|
2310 "G1ConcMarkStepDurationMillis"); |
10246
194f52aa2f23
7176479: G1: JVM crashes on T5-8 system with 1.5 TB heap
johnc
parents:
10241
diff
changeset
|
2311 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
|
2312 "G1ConcRSHotCardLimit"); |
194f52aa2f23
7176479: G1: JVM crashes on T5-8 system with 1.5 TB heap
johnc
parents:
10241
diff
changeset
|
2313 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
|
2314 "G1ConcRSLogCacheSize"); |
17764 | 2315 status = status && verify_interval(StringDeduplicationAgeThreshold, 1, markOopDesc::max_age, |
2316 "StringDeduplicationAgeThreshold"); | |
1283
1c72304f1885
6928073: G1: use existing command line parameters for marking cycle initiation
tonyp
parents:
1257
diff
changeset
|
2317 } |
10287
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2318 if (UseConcMarkSweepGC) { |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2319 status = status && verify_min_value(CMSOldPLABNumRefills, 1, "CMSOldPLABNumRefills"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2320 status = status && verify_min_value(CMSOldPLABToleranceFactor, 1, "CMSOldPLABToleranceFactor"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2321 status = status && verify_min_value(CMSOldPLABMax, 1, "CMSOldPLABMax"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2322 status = status && verify_interval(CMSOldPLABMin, 1, CMSOldPLABMax, "CMSOldPLABMin"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2323 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2324 status = status && verify_min_value(CMSYoungGenPerWorker, 1, "CMSYoungGenPerWorker"); |
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(CMSSamplingGrain, 1, "CMSSamplingGrain"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2327 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
|
2328 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
|
2329 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2330 status = status && verify_interval(FLSCoalescePolicy, 0, 4, "FLSCoalescePolicy"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2331 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2332 status = status && verify_min_value(CMSRescanMultiple, 1, "CMSRescanMultiple"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2333 status = status && verify_min_value(CMSConcMarkMultiple, 1, "CMSConcMarkMultiple"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2334 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2335 status = status && verify_interval(CMSPrecleanIter, 0, 9, "CMSPrecleanIter"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2336 status = status && verify_min_value(CMSPrecleanDenominator, 1, "CMSPrecleanDenominator"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2337 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
|
2338 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2339 status = status && verify_percentage(CMSBootstrapOccupancy, "CMSBootstrapOccupancy"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2340 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2341 status = status && verify_min_value(CMSPrecleanThreshold, 100, "CMSPrecleanThreshold"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2342 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2343 status = status && verify_percentage(CMSScheduleRemarkEdenPenetration, "CMSScheduleRemarkEdenPenetration"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2344 status = status && verify_min_value(CMSScheduleRemarkSamplingRatio, 1, "CMSScheduleRemarkSamplingRatio"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2345 status = status && verify_min_value(CMSBitMapYieldQuantum, 1, "CMSBitMapYieldQuantum"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2346 status = status && verify_percentage(CMSTriggerRatio, "CMSTriggerRatio"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2347 status = status && verify_percentage(CMSIsTooFullPercentage, "CMSIsTooFullPercentage"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2348 } |
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 if (UseParallelGC || UseParallelOldGC) { |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2351 status = status && verify_interval(ParallelOldDeadWoodLimiterMean, 0, 100, "ParallelOldDeadWoodLimiterMean"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2352 status = status && verify_interval(ParallelOldDeadWoodLimiterStdDev, 0, 100, "ParallelOldDeadWoodLimiterStdDev"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2353 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2354 status = status && verify_percentage(YoungGenerationSizeIncrement, "YoungGenerationSizeIncrement"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2355 status = status && verify_percentage(TenuredGenerationSizeIncrement, "TenuredGenerationSizeIncrement"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2356 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2357 status = status && verify_min_value(YoungGenerationSizeSupplementDecay, 1, "YoungGenerationSizeSupplementDecay"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2358 status = status && verify_min_value(TenuredGenerationSizeSupplementDecay, 1, "TenuredGenerationSizeSupplementDecay"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2359 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2360 status = status && verify_min_value(ParGCCardsPerStrideChunk, 1, "ParGCCardsPerStrideChunk"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2361 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2362 status = status && verify_min_value(ParallelOldGCSplitInterval, 0, "ParallelOldGCSplitInterval"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2363 } |
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
2364 #endif // INCLUDE_ALL_GCS |
1283
1c72304f1885
6928073: G1: use existing command line parameters for marking cycle initiation
tonyp
parents:
1257
diff
changeset
|
2365 |
1244
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2366 status = status && verify_interval(RefDiscoveryPolicy, |
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2367 ReferenceProcessor::DiscoveryPolicyMin, |
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2368 ReferenceProcessor::DiscoveryPolicyMax, |
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2369 "RefDiscoveryPolicy"); |
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2370 |
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2371 // 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
|
2372 // expression. |
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2373 status = status && verify_interval(TLABWasteTargetPercent, |
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2374 1, 100, "TLABWasteTargetPercent"); |
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2375 |
1571
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
2376 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
|
2377 |
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
2378 status = status && verify_interval(CompressedClassSpaceSize, 1*M, 3*G, |
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
2379 "CompressedClassSpaceSize"); |
6736
11fb740ce98f
7196103: NPG: Unable to allocate bit map for parallel garbage collection for the requested heap size
coleenp
parents:
6725
diff
changeset
|
2380 |
7397
442f942757c0
8000244: G1: Ergonomically set MarkStackSize and use virtual space for global marking stack
johnc
parents:
7177
diff
changeset
|
2381 status = status && verify_interval(MarkStackSizeMax, |
442f942757c0
8000244: G1: Ergonomically set MarkStackSize and use virtual space for global marking stack
johnc
parents:
7177
diff
changeset
|
2382 1, (max_jint - 1), "MarkStackSizeMax"); |
10287
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2383 status = status && verify_interval(NUMAChunkResizeWeight, 0, 100, "NUMAChunkResizeWeight"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2384 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2385 status = status && verify_min_value(LogEventsBufferEntries, 1, "LogEventsBufferEntries"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2386 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2387 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
|
2388 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2389 status = status && verify_min_value(GCTaskTimeStampEntries, 1, "GCTaskTimeStampEntries"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2390 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2391 status = status && verify_percentage(ParallelGCBufferWastePct, "ParallelGCBufferWastePct"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2392 status = status && verify_interval(TargetPLABWastePct, 1, 100, "TargetPLABWastePct"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2393 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2394 status = status && verify_min_value(ParGCStridesPerThread, 1, "ParGCStridesPerThread"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2395 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2396 status = status && verify_min_value(MinRAMFraction, 1, "MinRAMFraction"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2397 status = status && verify_min_value(InitialRAMFraction, 1, "InitialRAMFraction"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2398 status = status && verify_min_value(MaxRAMFraction, 1, "MaxRAMFraction"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2399 status = status && verify_min_value(DefaultMaxRAMFraction, 1, "DefaultMaxRAMFraction"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2400 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2401 status = status && verify_interval(AdaptiveTimeWeight, 0, 100, "AdaptiveTimeWeight"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2402 status = status && verify_min_value(AdaptiveSizeDecrementScaleFactor, 1, "AdaptiveSizeDecrementScaleFactor"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2403 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2404 status = status && verify_interval(TLABAllocationWeight, 0, 100, "TLABAllocationWeight"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2405 status = status && verify_min_value(MinTLABSize, 1, "MinTLABSize"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2406 status = status && verify_min_value(TLABRefillWasteFraction, 1, "TLABRefillWasteFraction"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2407 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2408 status = status && verify_percentage(YoungGenerationSizeSupplement, "YoungGenerationSizeSupplement"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2409 status = status && verify_percentage(TenuredGenerationSizeSupplement, "TenuredGenerationSizeSupplement"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2410 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2411 // 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
|
2412 // just for that, so hardcode here. |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2413 status = status && verify_interval(MaxTenuringThreshold, 0, 15, "MaxTenuringThreshold"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2414 status = status && verify_interval(InitialTenuringThreshold, 0, MaxTenuringThreshold, "MaxTenuringThreshold"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2415 status = status && verify_percentage(TargetSurvivorRatio, "TargetSurvivorRatio"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2416 status = status && verify_percentage(MarkSweepDeadRatio, "MarkSweepDeadRatio"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2417 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2418 status = status && verify_min_value(MarkSweepAlwaysCompactCount, 1, "MarkSweepAlwaysCompactCount"); |
20545
ab4548891480
6883953: java -client -XX:ValueMapInitialSize=0 crashes
adlertz
parents:
20505
diff
changeset
|
2419 #ifdef COMPILER1 |
ab4548891480
6883953: java -client -XX:ValueMapInitialSize=0 crashes
adlertz
parents:
20505
diff
changeset
|
2420 status = status && verify_min_value(ValueMapInitialSize, 1, "ValueMapInitialSize"); |
ab4548891480
6883953: java -client -XX:ValueMapInitialSize=0 crashes
adlertz
parents:
20505
diff
changeset
|
2421 #endif |
6755
bc675e55b48c
7193946: Move warnings associated with UseMemSetInBOT flag
johnc
parents:
6736
diff
changeset
|
2422 |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2423 if (PrintNMTStatistics) { |
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2424 #if INCLUDE_NMT |
20360 | 2425 if (MemTracker::tracking_level() == NMT_off) { |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2426 #endif // INCLUDE_NMT |
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2427 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
|
2428 PrintNMTStatistics = false; |
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2429 #if INCLUDE_NMT |
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2430 } |
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2431 #endif |
6770
9a86ddfc6c8f
7188594: Print statistic collected by NMT with VM flag
zgu
parents:
6736
diff
changeset
|
2432 } |
9a86ddfc6c8f
7188594: Print statistic collected by NMT with VM flag
zgu
parents:
6736
diff
changeset
|
2433 |
10260
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2434 // Need to limit the extent of the padding to reasonable size. |
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2435 // 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
|
2436 // aggressive prefetching, while still leaving the room for segregating |
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2437 // among the distinct pages. |
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2438 if (ContendedPaddingWidth < 0 || ContendedPaddingWidth > 8192) { |
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2439 jio_fprintf(defaultStream::error_stream(), |
12129 | 2440 "ContendedPaddingWidth=" INTX_FORMAT " must be in between %d and %d\n", |
10260
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2441 ContendedPaddingWidth, 0, 8192); |
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2442 status = false; |
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2443 } |
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2444 |
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2445 // Need to enforce the padding not to break the existing field alignments. |
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2446 // It is sufficient to check against the largest type size. |
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2447 if ((ContendedPaddingWidth % BytesPerLong) != 0) { |
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2448 jio_fprintf(defaultStream::error_stream(), |
12129 | 2449 "ContendedPaddingWidth=" INTX_FORMAT " must be a multiple of %d\n", |
10260
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2450 ContendedPaddingWidth, BytesPerLong); |
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2451 status = false; |
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2452 } |
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2453 |
11079
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2454 // 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
|
2455 // 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
|
2456 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
|
2457 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
|
2458 jio_fprintf(defaultStream::error_stream(), |
11079
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2459 "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
|
2460 os::vm_page_size()/K); |
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2461 status = false; |
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2462 } else if (ReservedCodeCacheSize < InitialCodeCacheSize) { |
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2463 jio_fprintf(defaultStream::error_stream(), |
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2464 "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
|
2465 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
|
2466 status = false; |
11079
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2467 } 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
|
2468 jio_fprintf(defaultStream::error_stream(), |
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2469 "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
|
2470 min_code_cache_size/K); |
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2471 status = false; |
11109
7ac80525ece9
8015635: Crash when specifying very large code cache size
anoll
parents:
11083
diff
changeset
|
2472 } else if (ReservedCodeCacheSize > 2*G) { |
7ac80525ece9
8015635: Crash when specifying very large code cache size
anoll
parents:
11083
diff
changeset
|
2473 // Code cache size larger than MAXINT is not supported. |
7ac80525ece9
8015635: Crash when specifying very large code cache size
anoll
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11083
diff
changeset
|
2474 jio_fprintf(defaultStream::error_stream(), |
7ac80525ece9
8015635: Crash when specifying very large code cache size
anoll
parents:
11083
diff
changeset
|
2475 "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
|
2476 (2*G)/M); |
7ac80525ece9
8015635: Crash when specifying very large code cache size
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parents:
11083
diff
changeset
|
2477 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.
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parents:
10319
diff
changeset
|
2478 } |
12324
510fbd28919c
8020151: PSR:PERF Large performance regressions when code cache is filled
anoll
parents:
12322
diff
changeset
|
2479 |
510fbd28919c
8020151: PSR:PERF Large performance regressions when code cache is filled
anoll
parents:
12322
diff
changeset
|
2480 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
|
2481 status &= verify_interval(NmethodSweepActivity, 0, 2000, "NmethodSweepActivity"); |
510fbd28919c
8020151: PSR:PERF Large performance regressions when code cache is filled
anoll
parents:
12322
diff
changeset
|
2482 |
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
|
2483 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
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17827
diff
changeset
|
2484 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
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diff
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|
2485 } |
7150b16fda52
8029436: CICompilerCount is not updated when the number of compiler threads is adjusted to the number of CPUs
anoll
parents:
17827
diff
changeset
|
2486 |
18054
fbf689f3752e
8042603: 'SafepointPollOffset' was not declared in static member function 'static bool Arguments::check_vm_args_consistency()'
twisti
parents:
18049
diff
changeset
|
2487 #ifdef COMPILER1 |
18049 | 2488 status &= verify_interval(SafepointPollOffset, 0, os::vm_page_size() - BytesPerWord, "SafepointPollOffset"); |
18054
fbf689f3752e
8042603: 'SafepointPollOffset' was not declared in static member function 'static bool Arguments::check_vm_args_consistency()'
twisti
parents:
18049
diff
changeset
|
2489 #endif |
18049 | 2490 |
20597
327c00d0f091
8042431: compiler/7200264/TestIntVect.java fails with: Test Failed: AddVI 0 < 4
anoll
parents:
20596
diff
changeset
|
2491 int min_number_of_compiler_threads = get_min_number_of_compiler_threads(); |
327c00d0f091
8042431: compiler/7200264/TestIntVect.java fails with: Test Failed: AddVI 0 < 4
anoll
parents:
20596
diff
changeset
|
2492 // The default CICompilerCount's value is CI_COMPILER_COUNT. |
327c00d0f091
8042431: compiler/7200264/TestIntVect.java fails with: Test Failed: AddVI 0 < 4
anoll
parents:
20596
diff
changeset
|
2493 assert(min_number_of_compiler_threads <= CI_COMPILER_COUNT, "minimum should be less or equal default number"); |
327c00d0f091
8042431: compiler/7200264/TestIntVect.java fails with: Test Failed: AddVI 0 < 4
anoll
parents:
20596
diff
changeset
|
2494 // Check the minimum number of compiler threads |
327c00d0f091
8042431: compiler/7200264/TestIntVect.java fails with: Test Failed: AddVI 0 < 4
anoll
parents:
20596
diff
changeset
|
2495 status &=verify_min_value(CICompilerCount, min_number_of_compiler_threads, "CICompilerCount"); |
20593
2eda90444a0d
8034775: Failing to initialize VM when running with negative value for -XX:CICompilerCount
anoll
parents:
20575
diff
changeset
|
2496 |
0 | 2497 return status; |
2498 } | |
2499 | |
2500 bool Arguments::is_bad_option(const JavaVMOption* option, jboolean ignore, | |
2501 const char* option_type) { | |
2502 if (ignore) return false; | |
2503 | |
2504 const char* spacer = " "; | |
2505 if (option_type == NULL) { | |
2506 option_type = ++spacer; // Set both to the empty string. | |
2507 } | |
2508 | |
2509 if (os::obsolete_option(option)) { | |
2510 jio_fprintf(defaultStream::error_stream(), | |
2511 "Obsolete %s%soption: %s\n", option_type, spacer, | |
2512 option->optionString); | |
2513 return false; | |
2514 } else { | |
2515 jio_fprintf(defaultStream::error_stream(), | |
2516 "Unrecognized %s%soption: %s\n", option_type, spacer, | |
2517 option->optionString); | |
2518 return true; | |
2519 } | |
2520 } | |
2521 | |
2522 static const char* user_assertion_options[] = { | |
2523 "-da", "-ea", "-disableassertions", "-enableassertions", 0 | |
2524 }; | |
2525 | |
2526 static const char* system_assertion_options[] = { | |
2527 "-dsa", "-esa", "-disablesystemassertions", "-enablesystemassertions", 0 | |
2528 }; | |
2529 | |
2530 // Return true if any of the strings in null-terminated array 'names' matches. | |
2531 // If tail_allowed is true, then the tail must begin with a colon; otherwise, | |
2532 // the option must match exactly. | |
2533 static bool match_option(const JavaVMOption* option, const char** names, const char** tail, | |
2534 bool tail_allowed) { | |
2535 for (/* empty */; *names != NULL; ++names) { | |
2536 if (match_option(option, *names, tail)) { | |
2537 if (**tail == '\0' || tail_allowed && **tail == ':') { | |
2538 return true; | |
2539 } | |
2540 } | |
2541 } | |
2542 return false; | |
2543 } | |
2544 | |
1284 | 2545 bool Arguments::parse_uintx(const char* value, |
2546 uintx* uintx_arg, | |
2547 uintx min_size) { | |
2548 | |
2549 // Check the sign first since atomull() parses only unsigned values. | |
2550 bool value_is_positive = !(*value == '-'); | |
2551 | |
2552 if (value_is_positive) { | |
2553 julong n; | |
2554 bool good_return = atomull(value, &n); | |
2555 if (good_return) { | |
2556 bool above_minimum = n >= min_size; | |
2557 bool value_is_too_large = n > max_uintx; | |
2558 | |
2559 if (above_minimum && !value_is_too_large) { | |
2560 *uintx_arg = n; | |
2561 return true; | |
2562 } | |
2563 } | |
2564 } | |
2565 return false; | |
2566 } | |
2567 | |
0 | 2568 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
|
2569 julong* long_arg, |
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
2570 julong min_size) { |
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
2571 if (!atomull(s, long_arg)) return arg_unreadable; |
0 | 2572 return check_memory_size(*long_arg, min_size); |
2573 } | |
2574 | |
2575 // Parse JavaVMInitArgs structure | |
2576 | |
2577 jint Arguments::parse_vm_init_args(const JavaVMInitArgs* args) { | |
2578 // For components of the system classpath. | |
2579 SysClassPath scp(Arguments::get_sysclasspath()); | |
2580 bool scp_assembly_required = false; | |
2581 | |
2582 // Save default settings for some mode flags | |
2583 Arguments::_AlwaysCompileLoopMethods = AlwaysCompileLoopMethods; | |
2584 Arguments::_UseOnStackReplacement = UseOnStackReplacement; | |
2585 Arguments::_ClipInlining = ClipInlining; | |
2586 Arguments::_BackgroundCompilation = BackgroundCompilation; | |
2587 | |
3341
e9b8ef09622a
7041582: set_mode_flags isn't called without -Xmixed specified
never
parents:
3261
diff
changeset
|
2588 // Setup flags for mixed which is the default |
e9b8ef09622a
7041582: set_mode_flags isn't called without -Xmixed specified
never
parents:
3261
diff
changeset
|
2589 set_mode_flags(_mixed); |
e9b8ef09622a
7041582: set_mode_flags isn't called without -Xmixed specified
never
parents:
3261
diff
changeset
|
2590 |
0 | 2591 // Parse JAVA_TOOL_OPTIONS environment variable (if present) |
2592 jint result = parse_java_tool_options_environment_variable(&scp, &scp_assembly_required); | |
2593 if (result != JNI_OK) { | |
2594 return result; | |
2595 } | |
2596 | |
2597 // Parse JavaVMInitArgs structure passed in | |
12322
72b7e96c1922
8024545: make develop and notproduct flag values available in product builds
twisti
parents:
12269
diff
changeset
|
2598 result = parse_each_vm_init_arg(args, &scp, &scp_assembly_required, Flag::COMMAND_LINE); |
0 | 2599 if (result != JNI_OK) { |
2600 return result; | |
2601 } | |
2602 | |
2603 // Parse _JAVA_OPTIONS environment variable (if present) (mimics classic VM) | |
2604 result = parse_java_options_environment_variable(&scp, &scp_assembly_required); | |
2605 if (result != JNI_OK) { | |
2606 return result; | |
2607 } | |
2608 | |
2609 // Do final processing now that all arguments have been parsed | |
2610 result = finalize_vm_init_args(&scp, scp_assembly_required); | |
2611 if (result != JNI_OK) { | |
2612 return result; | |
2613 } | |
2614 | |
2615 return JNI_OK; | |
2616 } | |
2617 | |
10170
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2618 // 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
|
2619 // 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
|
2620 // 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
|
2621 // -agentlib |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2622 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
|
2623 char *_name; |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2624 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
|
2625 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
|
2626 |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2627 if (is_path) { |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2628 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
|
2629 return false; |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2630 } |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2631 |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2632 _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
|
2633 _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
|
2634 |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2635 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
|
2636 return false; |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2637 } |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2638 |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2639 _name += _len_prefix; |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2640 _len_hprof = strlen(_hprof); |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2641 _len_jdwp = strlen(_jdwp); |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2642 |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2643 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
|
2644 _name += _len_hprof; |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2645 } |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2646 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
|
2647 _name += _len_jdwp; |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2648 } |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2649 else { |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2650 return false; |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2651 } |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2652 |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2653 if (strcmp(_name, JNI_LIB_SUFFIX) != 0) { |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2654 return false; |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2655 } |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2656 |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2657 return true; |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2658 } |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2659 |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2660 if (strcmp(name, _hprof) == 0 || strcmp(name, _jdwp) == 0) { |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2661 return true; |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2662 } |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2663 |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2664 return false; |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2665 } |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2666 |
0 | 2667 jint Arguments::parse_each_vm_init_arg(const JavaVMInitArgs* args, |
2668 SysClassPath* scp_p, | |
2669 bool* scp_assembly_required_p, | |
12322
72b7e96c1922
8024545: make develop and notproduct flag values available in product builds
twisti
parents:
12269
diff
changeset
|
2670 Flag::Flags origin) { |
0 | 2671 // Remaining part of option string |
2672 const char* tail; | |
2673 | |
2674 // iterate over arguments | |
2675 for (int index = 0; index < args->nOptions; index++) { | |
2676 bool is_absolute_path = false; // for -agentpath vs -agentlib | |
2677 | |
2678 const JavaVMOption* option = args->options + index; | |
2679 | |
2680 if (!match_option(option, "-Djava.class.path", &tail) && | |
2681 !match_option(option, "-Dsun.java.command", &tail) && | |
2682 !match_option(option, "-Dsun.java.launcher", &tail)) { | |
2683 | |
2684 // add all jvm options to the jvm_args string. This string | |
2685 // is used later to set the java.vm.args PerfData string constant. | |
2686 // the -Djava.class.path and the -Dsun.java.command options are | |
2687 // omitted from jvm_args string as each have their own PerfData | |
2688 // string constant object. | |
2689 build_jvm_args(option->optionString); | |
2690 } | |
2691 | |
2692 // -verbose:[class/gc/jni] | |
2693 if (match_option(option, "-verbose", &tail)) { | |
2694 if (!strcmp(tail, ":class") || !strcmp(tail, "")) { | |
2695 FLAG_SET_CMDLINE(bool, TraceClassLoading, true); | |
2696 FLAG_SET_CMDLINE(bool, TraceClassUnloading, true); | |
2697 } else if (!strcmp(tail, ":gc")) { | |
2698 FLAG_SET_CMDLINE(bool, PrintGC, true); | |
2699 } else if (!strcmp(tail, ":jni")) { | |
2700 FLAG_SET_CMDLINE(bool, PrintJNIResolving, true); | |
2701 } | |
2702 // -da / -ea / -disableassertions / -enableassertions | |
2703 // These accept an optional class/package name separated by a colon, e.g., | |
2704 // -da:java.lang.Thread. | |
2705 } else if (match_option(option, user_assertion_options, &tail, true)) { | |
2706 bool enable = option->optionString[1] == 'e'; // char after '-' is 'e' | |
2707 if (*tail == '\0') { | |
2708 JavaAssertions::setUserClassDefault(enable); | |
2709 } else { | |
2710 assert(*tail == ':', "bogus match by match_option()"); | |
2711 JavaAssertions::addOption(tail + 1, enable); | |
2712 } | |
2713 // -dsa / -esa / -disablesystemassertions / -enablesystemassertions | |
2714 } else if (match_option(option, system_assertion_options, &tail, false)) { | |
2715 bool enable = option->optionString[1] == 'e'; // char after '-' is 'e' | |
2716 JavaAssertions::setSystemClassDefault(enable); | |
2717 // -bootclasspath: | |
2718 } else if (match_option(option, "-Xbootclasspath:", &tail)) { | |
2719 scp_p->reset_path(tail); | |
2720 *scp_assembly_required_p = true; | |
2721 // -bootclasspath/a: | |
2722 } else if (match_option(option, "-Xbootclasspath/a:", &tail)) { | |
2723 scp_p->add_suffix(tail); | |
2724 *scp_assembly_required_p = true; | |
2725 // -bootclasspath/p: | |
2726 } else if (match_option(option, "-Xbootclasspath/p:", &tail)) { | |
2727 scp_p->add_prefix(tail); | |
2728 *scp_assembly_required_p = true; | |
2729 // -Xrun | |
2730 } else if (match_option(option, "-Xrun", &tail)) { | |
531
40ee984935b9
6792705: Add JAR file to bootclasspath when using AggressiveOpts
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parents:
513
diff
changeset
|
2731 if (tail != NULL) { |
0 | 2732 const char* pos = strchr(tail, ':'); |
2733 size_t len = (pos == NULL) ? strlen(tail) : pos - tail; | |
6197 | 2734 char* name = (char*)memcpy(NEW_C_HEAP_ARRAY(char, len + 1, mtInternal), tail, len); |
0 | 2735 name[len] = '\0'; |
2736 | |
2737 char *options = NULL; | |
2738 if(pos != NULL) { | |
2739 size_t len2 = strlen(pos+1) + 1; // options start after ':'. Final zero must be copied. | |
6197 | 2740 options = (char*)memcpy(NEW_C_HEAP_ARRAY(char, len2, mtInternal), pos+1, len2); |
0 | 2741 } |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2742 #if !INCLUDE_JVMTI |
0 | 2743 if ((strcmp(name, "hprof") == 0) || (strcmp(name, "jdwp") == 0)) { |
8720
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
2744 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
|
2745 "Profiling and debugging agents are not supported in this VM\n"); |
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
2746 return JNI_ERR; |
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
2747 } |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
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parents:
6818
diff
changeset
|
2748 #endif // !INCLUDE_JVMTI |
8720
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
2749 add_init_library(name, options); |
0 | 2750 } |
2751 // -agentlib and -agentpath | |
2752 } else if (match_option(option, "-agentlib:", &tail) || | |
2753 (is_absolute_path = match_option(option, "-agentpath:", &tail))) { | |
2754 if(tail != NULL) { | |
2755 const char* pos = strchr(tail, '='); | |
2756 size_t len = (pos == NULL) ? strlen(tail) : pos - tail; | |
6197 | 2757 char* name = strncpy(NEW_C_HEAP_ARRAY(char, len + 1, mtInternal), tail, len); |
0 | 2758 name[len] = '\0'; |
2759 | |
2760 char *options = NULL; | |
2761 if(pos != NULL) { | |
6197 | 2762 options = strcpy(NEW_C_HEAP_ARRAY(char, strlen(pos + 1) + 1, mtInternal), pos + 1); |
0 | 2763 } |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2764 #if !INCLUDE_JVMTI |
10170
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2765 if (valid_hprof_or_jdwp_agent(name, is_absolute_path)) { |
8720
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
2766 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
|
2767 "Profiling and debugging agents are not supported in this VM\n"); |
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
2768 return JNI_ERR; |
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
2769 } |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2770 #endif // !INCLUDE_JVMTI |
0 | 2771 add_init_agent(name, options, is_absolute_path); |
2772 } | |
2773 // -javaagent | |
2774 } else if (match_option(option, "-javaagent:", &tail)) { | |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2775 #if !INCLUDE_JVMTI |
8720
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
2776 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
|
2777 "Instrumentation agents are not supported in this VM\n"); |
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
2778 return JNI_ERR; |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2779 #else |
0 | 2780 if(tail != NULL) { |
6197 | 2781 char *options = strcpy(NEW_C_HEAP_ARRAY(char, strlen(tail) + 1, mtInternal), tail); |
0 | 2782 add_init_agent("instrument", options, false); |
2783 } | |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2784 #endif // !INCLUDE_JVMTI |
0 | 2785 // -Xnoclassgc |
2786 } else if (match_option(option, "-Xnoclassgc", &tail)) { | |
2787 FLAG_SET_CMDLINE(bool, ClassUnloading, false); | |
2788 // -Xincgc: i-CMS | |
2789 } else if (match_option(option, "-Xincgc", &tail)) { | |
2790 FLAG_SET_CMDLINE(bool, UseConcMarkSweepGC, true); | |
2791 FLAG_SET_CMDLINE(bool, CMSIncrementalMode, true); | |
2792 // -Xnoincgc: no i-CMS | |
2793 } else if (match_option(option, "-Xnoincgc", &tail)) { | |
2794 FLAG_SET_CMDLINE(bool, UseConcMarkSweepGC, false); | |
2795 FLAG_SET_CMDLINE(bool, CMSIncrementalMode, false); | |
2796 // -Xconcgc | |
2797 } else if (match_option(option, "-Xconcgc", &tail)) { | |
2798 FLAG_SET_CMDLINE(bool, UseConcMarkSweepGC, true); | |
2799 // -Xnoconcgc | |
2800 } else if (match_option(option, "-Xnoconcgc", &tail)) { | |
2801 FLAG_SET_CMDLINE(bool, UseConcMarkSweepGC, false); | |
2802 // -Xbatch | |
2803 } else if (match_option(option, "-Xbatch", &tail)) { | |
2804 FLAG_SET_CMDLINE(bool, BackgroundCompilation, false); | |
2805 // -Xmn for compatibility with other JVM vendors | |
2806 } else if (match_option(option, "-Xmn", &tail)) { | |
12831 | 2807 julong long_initial_young_size = 0; |
2808 ArgsRange errcode = parse_memory_size(tail, &long_initial_young_size, 1); | |
0 | 2809 if (errcode != arg_in_range) { |
2810 jio_fprintf(defaultStream::error_stream(), | |
12831 | 2811 "Invalid initial young generation size: %s\n", option->optionString); |
0 | 2812 describe_range_error(errcode); |
2813 return JNI_EINVAL; | |
2814 } | |
12831 | 2815 FLAG_SET_CMDLINE(uintx, MaxNewSize, (uintx)long_initial_young_size); |
2816 FLAG_SET_CMDLINE(uintx, NewSize, (uintx)long_initial_young_size); | |
0 | 2817 // -Xms |
2818 } else if (match_option(option, "-Xms", &tail)) { | |
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
2819 julong long_initial_heap_size = 0; |
10241
d17700c82d7d
8006088: Incompatible heap size flags accepted by VM
tschatzl
parents:
10240
diff
changeset
|
2820 // an initial heap size of 0 means automatically determine |
d17700c82d7d
8006088: Incompatible heap size flags accepted by VM
tschatzl
parents:
10240
diff
changeset
|
2821 ArgsRange errcode = parse_memory_size(tail, &long_initial_heap_size, 0); |
0 | 2822 if (errcode != arg_in_range) { |
2823 jio_fprintf(defaultStream::error_stream(), | |
2824 "Invalid initial heap size: %s\n", option->optionString); | |
2825 describe_range_error(errcode); | |
2826 return JNI_EINVAL; | |
2827 } | |
13059
46d7652b223c
8026853: Prepare GC code for collector policy regression fix
jwilhelm
parents:
13008
diff
changeset
|
2828 set_min_heap_size((uintx)long_initial_heap_size); |
0 | 2829 // 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
|
2830 // Can be overridden with -XX:InitialHeapSize. |
46d7652b223c
8026853: Prepare GC code for collector policy regression fix
jwilhelm
parents:
13008
diff
changeset
|
2831 FLAG_SET_CMDLINE(uintx, InitialHeapSize, (uintx)long_initial_heap_size); |
0 | 2832 // -Xmx |
10241
d17700c82d7d
8006088: Incompatible heap size flags accepted by VM
tschatzl
parents:
10240
diff
changeset
|
2833 } else if (match_option(option, "-Xmx", &tail) || match_option(option, "-XX:MaxHeapSize=", &tail)) { |
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
2834 julong long_max_heap_size = 0; |
0 | 2835 ArgsRange errcode = parse_memory_size(tail, &long_max_heap_size, 1); |
2836 if (errcode != arg_in_range) { | |
2837 jio_fprintf(defaultStream::error_stream(), | |
2838 "Invalid maximum heap size: %s\n", option->optionString); | |
2839 describe_range_error(errcode); | |
2840 return JNI_EINVAL; | |
2841 } | |
1064 | 2842 FLAG_SET_CMDLINE(uintx, MaxHeapSize, (uintx)long_max_heap_size); |
0 | 2843 // Xmaxf |
2844 } 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
|
2845 char* err; |
027006a47a6d
8025661: Ill-formed -Xminf and -Xmaxf options values interpreted as 0
sjohanss
parents:
12840
diff
changeset
|
2846 int maxf = (int)(strtod(tail, &err) * 100); |
17648
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
2847 if (*err != '\0' || *tail == '\0' || maxf < 0 || maxf > 100) { |
0 | 2848 jio_fprintf(defaultStream::error_stream(), |
2849 "Bad max heap free percentage size: %s\n", | |
2850 option->optionString); | |
2851 return JNI_EINVAL; | |
2852 } else { | |
2853 FLAG_SET_CMDLINE(uintx, MaxHeapFreeRatio, maxf); | |
2854 } | |
2855 // Xminf | |
2856 } else if (match_option(option, "-Xminf", &tail)) { | |
12896
027006a47a6d
8025661: Ill-formed -Xminf and -Xmaxf options values interpreted as 0
sjohanss
parents:
12840
diff
changeset
|
2857 char* err; |
027006a47a6d
8025661: Ill-formed -Xminf and -Xmaxf options values interpreted as 0
sjohanss
parents:
12840
diff
changeset
|
2858 int minf = (int)(strtod(tail, &err) * 100); |
17648
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
2859 if (*err != '\0' || *tail == '\0' || minf < 0 || minf > 100) { |
0 | 2860 jio_fprintf(defaultStream::error_stream(), |
2861 "Bad min heap free percentage size: %s\n", | |
2862 option->optionString); | |
2863 return JNI_EINVAL; | |
2864 } else { | |
2865 FLAG_SET_CMDLINE(uintx, MinHeapFreeRatio, minf); | |
2866 } | |
2867 // -Xss | |
2868 } else if (match_option(option, "-Xss", &tail)) { | |
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
2869 julong long_ThreadStackSize = 0; |
0 | 2870 ArgsRange errcode = parse_memory_size(tail, &long_ThreadStackSize, 1000); |
2871 if (errcode != arg_in_range) { | |
2872 jio_fprintf(defaultStream::error_stream(), | |
2873 "Invalid thread stack size: %s\n", option->optionString); | |
2874 describe_range_error(errcode); | |
2875 return JNI_EINVAL; | |
2876 } | |
2877 // Internally track ThreadStackSize in units of 1024 bytes. | |
2878 FLAG_SET_CMDLINE(intx, ThreadStackSize, | |
2879 round_to((int)long_ThreadStackSize, K) / K); | |
2880 // -Xoss | |
2881 } else if (match_option(option, "-Xoss", &tail)) { | |
2882 // HotSpot does not have separate native and Java stacks, ignore silently for compatibility | |
11079
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2883 } else if (match_option(option, "-XX:CodeCacheExpansionSize=", &tail)) { |
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2884 julong long_CodeCacheExpansionSize = 0; |
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2885 ArgsRange errcode = parse_memory_size(tail, &long_CodeCacheExpansionSize, os::vm_page_size()); |
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2886 if (errcode != arg_in_range) { |
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2887 jio_fprintf(defaultStream::error_stream(), |
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2888 "Invalid argument: %s. Must be at least %luK.\n", option->optionString, |
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2889 os::vm_page_size()/K); |
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2890 return JNI_EINVAL; |
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2891 } |
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2892 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
|
2893 } 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
|
2894 match_option(option, "-XX:ReservedCodeCacheSize=", &tail)) { |
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
2895 julong long_ReservedCodeCacheSize = 0; |
11079
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2896 |
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
|
2897 ArgsRange errcode = parse_memory_size(tail, &long_ReservedCodeCacheSize, 1); |
0 | 2898 if (errcode != arg_in_range) { |
2899 jio_fprintf(defaultStream::error_stream(), | |
10392
c07dd9be16e8
8013496: Code cache management command line options work only in special order. Another order of arguments does not deliver the second parameter to the jvm.
anoll
parents:
10319
diff
changeset
|
2900 "Invalid maximum code cache size: %s.\n", option->optionString); |
0 | 2901 return JNI_EINVAL; |
2902 } | |
2903 FLAG_SET_CMDLINE(uintx, ReservedCodeCacheSize, (uintx)long_ReservedCodeCacheSize); | |
10319
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
parents:
10294
diff
changeset
|
2904 //-XX:IncreaseFirstTierCompileThresholdAt= |
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
parents:
10294
diff
changeset
|
2905 } else if (match_option(option, "-XX:IncreaseFirstTierCompileThresholdAt=", &tail)) { |
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
parents:
10294
diff
changeset
|
2906 uintx uint_IncreaseFirstTierCompileThresholdAt = 0; |
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
parents:
10294
diff
changeset
|
2907 if (!parse_uintx(tail, &uint_IncreaseFirstTierCompileThresholdAt, 0) || uint_IncreaseFirstTierCompileThresholdAt > 99) { |
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
parents:
10294
diff
changeset
|
2908 jio_fprintf(defaultStream::error_stream(), |
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
parents:
10294
diff
changeset
|
2909 "Invalid value for IncreaseFirstTierCompileThresholdAt: %s. Should be between 0 and 99.\n", |
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
parents:
10294
diff
changeset
|
2910 option->optionString); |
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
parents:
10294
diff
changeset
|
2911 return JNI_EINVAL; |
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
parents:
10294
diff
changeset
|
2912 } |
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
parents:
10294
diff
changeset
|
2913 FLAG_SET_CMDLINE(uintx, IncreaseFirstTierCompileThresholdAt, (uintx)uint_IncreaseFirstTierCompileThresholdAt); |
0 | 2914 // -green |
2915 } else if (match_option(option, "-green", &tail)) { | |
2916 jio_fprintf(defaultStream::error_stream(), | |
2917 "Green threads support not available\n"); | |
2918 return JNI_EINVAL; | |
2919 // -native | |
2920 } else if (match_option(option, "-native", &tail)) { | |
2921 // HotSpot always uses native threads, ignore silently for compatibility | |
2922 // -Xsqnopause | |
2923 } else if (match_option(option, "-Xsqnopause", &tail)) { | |
2924 // EVM option, ignore silently for compatibility | |
2925 // -Xrs | |
2926 } else if (match_option(option, "-Xrs", &tail)) { | |
2927 // Classic/EVM option, new functionality | |
2928 FLAG_SET_CMDLINE(bool, ReduceSignalUsage, true); | |
2929 } else if (match_option(option, "-Xusealtsigs", &tail)) { | |
2930 // change default internal VM signals used - lower case for back compat | |
2931 FLAG_SET_CMDLINE(bool, UseAltSigs, true); | |
2932 // -Xoptimize | |
2933 } else if (match_option(option, "-Xoptimize", &tail)) { | |
2934 // EVM option, ignore silently for compatibility | |
2935 // -Xprof | |
2936 } else if (match_option(option, "-Xprof", &tail)) { | |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2937 #if INCLUDE_FPROF |
0 | 2938 _has_profile = true; |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2939 #else // INCLUDE_FPROF |
8720
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
2940 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
|
2941 "Flat profiling is not supported in this VM.\n"); |
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
2942 return JNI_ERR; |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2943 #endif // INCLUDE_FPROF |
0 | 2944 // -Xconcurrentio |
2945 } else if (match_option(option, "-Xconcurrentio", &tail)) { | |
2946 FLAG_SET_CMDLINE(bool, UseLWPSynchronization, true); | |
2947 FLAG_SET_CMDLINE(bool, BackgroundCompilation, false); | |
2948 FLAG_SET_CMDLINE(intx, DeferThrSuspendLoopCount, 1); | |
2949 FLAG_SET_CMDLINE(bool, UseTLAB, false); | |
2950 FLAG_SET_CMDLINE(uintx, NewSizeThreadIncrease, 16 * K); // 20Kb per thread added to new generation | |
2951 | |
2952 // -Xinternalversion | |
2953 } else if (match_option(option, "-Xinternalversion", &tail)) { | |
2954 jio_fprintf(defaultStream::output_stream(), "%s\n", | |
2955 VM_Version::internal_vm_info_string()); | |
2956 vm_exit(0); | |
2957 #ifndef PRODUCT | |
2958 // -Xprintflags | |
2959 } else if (match_option(option, "-Xprintflags", &tail)) { | |
4773 | 2960 CommandLineFlags::printFlags(tty, false); |
0 | 2961 vm_exit(0); |
2962 #endif | |
2963 // -D | |
2964 } else if (match_option(option, "-D", &tail)) { | |
20654
fa6adc194d48
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diff
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|
2965 if (CheckEndorsedAndExtDirs) { |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
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diff
changeset
|
2966 if (match_option(option, "-Djava.endorsed.dirs=", &tail)) { |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
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diff
changeset
|
2967 // abort if -Djava.endorsed.dirs is set |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
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diff
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|
2968 jio_fprintf(defaultStream::output_stream(), |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
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diff
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|
2969 "-Djava.endorsed.dirs will not be supported in a future release.\n" |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
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diff
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|
2970 "Refer to JEP 220 for details (http://openjdk.java.net/jeps/220).\n"); |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
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diff
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|
2971 return JNI_EINVAL; |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
2972 } |
fa6adc194d48
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mchung
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20601
diff
changeset
|
2973 if (match_option(option, "-Djava.ext.dirs=", &tail)) { |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
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20601
diff
changeset
|
2974 // abort if -Djava.ext.dirs is set |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
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diff
changeset
|
2975 jio_fprintf(defaultStream::output_stream(), |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
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diff
changeset
|
2976 "-Djava.ext.dirs will not be supported in a future release.\n" |
fa6adc194d48
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mchung
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diff
changeset
|
2977 "Refer to JEP 220 for details (http://openjdk.java.net/jeps/220).\n"); |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
2978 return JNI_EINVAL; |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
2979 } |
fa6adc194d48
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mchung
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diff
changeset
|
2980 } |
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|
2981 |
0 | 2982 if (!add_property(tail)) { |
2983 return JNI_ENOMEM; | |
2984 } | |
2985 // Out of the box management support | |
2986 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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8002
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changeset
|
2987 #if INCLUDE_MANAGEMENT |
0 | 2988 FLAG_SET_CMDLINE(bool, ManagementServer, true); |
8081
579f6adb7f51
8003539: Minimal VM don't react to -Dcom.sun.management and -XX:+ManagementServer
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changeset
|
2989 #else |
8720
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
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8105
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changeset
|
2990 jio_fprintf(defaultStream::output_stream(), |
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
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8105
diff
changeset
|
2991 "-Dcom.sun.management is not supported in this VM.\n"); |
fad90b102190
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diff
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|
2992 return JNI_ERR; |
8081
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8003539: Minimal VM don't react to -Dcom.sun.management and -XX:+ManagementServer
jprovino
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diff
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|
2993 #endif |
0 | 2994 } |
2995 // -Xint | |
2996 } else if (match_option(option, "-Xint", &tail)) { | |
2997 set_mode_flags(_int); | |
2998 // -Xmixed | |
2999 } else if (match_option(option, "-Xmixed", &tail)) { | |
3000 set_mode_flags(_mixed); | |
3001 // -Xcomp | |
3002 } else if (match_option(option, "-Xcomp", &tail)) { | |
3003 // for testing the compiler; turn off all flags that inhibit compilation | |
3004 set_mode_flags(_comp); | |
3005 // -Xshare:dump | |
3006 } else if (match_option(option, "-Xshare:dump", &tail)) { | |
3007 FLAG_SET_CMDLINE(bool, DumpSharedSpaces, true); | |
3008 set_mode_flags(_int); // Prevent compilation, which creates objects | |
3009 // -Xshare:on | |
3010 } else if (match_option(option, "-Xshare:on", &tail)) { | |
3011 FLAG_SET_CMDLINE(bool, UseSharedSpaces, true); | |
3012 FLAG_SET_CMDLINE(bool, RequireSharedSpaces, true); | |
3013 // -Xshare:auto | |
3014 } else if (match_option(option, "-Xshare:auto", &tail)) { | |
3015 FLAG_SET_CMDLINE(bool, UseSharedSpaces, true); | |
3016 FLAG_SET_CMDLINE(bool, RequireSharedSpaces, false); | |
3017 // -Xshare:off | |
3018 } else if (match_option(option, "-Xshare:off", &tail)) { | |
3019 FLAG_SET_CMDLINE(bool, UseSharedSpaces, false); | |
3020 FLAG_SET_CMDLINE(bool, RequireSharedSpaces, false); | |
3021 // -Xverify | |
3022 } else if (match_option(option, "-Xverify", &tail)) { | |
3023 if (strcmp(tail, ":all") == 0 || strcmp(tail, "") == 0) { | |
3024 FLAG_SET_CMDLINE(bool, BytecodeVerificationLocal, true); | |
3025 FLAG_SET_CMDLINE(bool, BytecodeVerificationRemote, true); | |
3026 } else if (strcmp(tail, ":remote") == 0) { | |
3027 FLAG_SET_CMDLINE(bool, BytecodeVerificationLocal, false); | |
3028 FLAG_SET_CMDLINE(bool, BytecodeVerificationRemote, true); | |
3029 } else if (strcmp(tail, ":none") == 0) { | |
3030 FLAG_SET_CMDLINE(bool, BytecodeVerificationLocal, false); | |
3031 FLAG_SET_CMDLINE(bool, BytecodeVerificationRemote, false); | |
3032 } else if (is_bad_option(option, args->ignoreUnrecognized, "verification")) { | |
3033 return JNI_EINVAL; | |
3034 } | |
3035 // -Xdebug | |
3036 } else if (match_option(option, "-Xdebug", &tail)) { | |
3037 // note this flag has been used, then ignore | |
3038 set_xdebug_mode(true); | |
3039 // -Xnoagent | |
3040 } else if (match_option(option, "-Xnoagent", &tail)) { | |
3041 // For compatibility with classic. HotSpot refuses to load the old style agent.dll. | |
3042 } else if (match_option(option, "-Xboundthreads", &tail)) { | |
3043 // Bind user level threads to kernel threads (Solaris only) | |
3044 FLAG_SET_CMDLINE(bool, UseBoundThreads, true); | |
3045 } else if (match_option(option, "-Xloggc:", &tail)) { | |
3046 // Redirect GC output to the file. -Xloggc:<filename> | |
3047 // ostream_init_log(), when called will use this filename | |
3048 // to initialize a fileStream. | |
3049 _gc_log_filename = strdup(tail); | |
12215 | 3050 if (!is_filename_valid(_gc_log_filename)) { |
3051 jio_fprintf(defaultStream::output_stream(), | |
3052 "Invalid file name for use with -Xloggc: Filename can only contain the " | |
3053 "characters [A-Z][a-z][0-9]-_.%%[p|t] but it has been %s\n" | |
3054 "Note %%p or %%t can only be used once\n", _gc_log_filename); | |
3055 return JNI_EINVAL; | |
3056 } | |
0 | 3057 FLAG_SET_CMDLINE(bool, PrintGC, true); |
3058 FLAG_SET_CMDLINE(bool, PrintGCTimeStamps, true); | |
3059 | |
3060 // JNI hooks | |
3061 } else if (match_option(option, "-Xcheck", &tail)) { | |
3062 if (!strcmp(tail, ":jni")) { | |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3063 #if !INCLUDE_JNI_CHECK |
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3064 warning("JNI CHECKING is not supported in this VM"); |
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3065 #else |
0 | 3066 CheckJNICalls = true; |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3067 #endif // INCLUDE_JNI_CHECK |
0 | 3068 } else if (is_bad_option(option, args->ignoreUnrecognized, |
3069 "check")) { | |
3070 return JNI_EINVAL; | |
3071 } | |
3072 } else if (match_option(option, "vfprintf", &tail)) { | |
3073 _vfprintf_hook = CAST_TO_FN_PTR(vfprintf_hook_t, option->extraInfo); | |
3074 } else if (match_option(option, "exit", &tail)) { | |
3075 _exit_hook = CAST_TO_FN_PTR(exit_hook_t, option->extraInfo); | |
3076 } else if (match_option(option, "abort", &tail)) { | |
3077 _abort_hook = CAST_TO_FN_PTR(abort_hook_t, option->extraInfo); | |
3078 // -XX:+AggressiveHeap | |
3079 } else if (match_option(option, "-XX:+AggressiveHeap", &tail)) { | |
3080 | |
3081 // This option inspects the machine and attempts to set various | |
3082 // parameters to be optimal for long-running, memory allocation | |
3083 // intensive jobs. It is intended for machines with large | |
3084 // amounts of cpu and memory. | |
3085 | |
3086 // initHeapSize is needed since _initial_heap_size is 4 bytes on a 32 bit | |
3087 // VM, but we may not be able to represent the total physical memory | |
3088 // available (like having 8gb of memory on a box but using a 32bit VM). | |
3089 // Thus, we need to make sure we're using a julong for intermediate | |
3090 // calculations. | |
3091 julong initHeapSize; | |
3092 julong total_memory = os::physical_memory(); | |
3093 | |
3094 if (total_memory < (julong)256*M) { | |
3095 jio_fprintf(defaultStream::error_stream(), | |
3096 "You need at least 256mb of memory to use -XX:+AggressiveHeap\n"); | |
3097 vm_exit(1); | |
3098 } | |
3099 | |
3100 // The heap size is half of available memory, or (at most) | |
3101 // all of possible memory less 160mb (leaving room for the OS | |
3102 // when using ISM). This is the maximum; because adaptive sizing | |
3103 // is turned on below, the actual space used may be smaller. | |
3104 | |
3105 initHeapSize = MIN2(total_memory / (julong)2, | |
3106 total_memory - (julong)160*M); | |
3107 | |
8854
754c24457b20
7112912: Message "Error occurred during initialization of VM" on boxes with lots of RAM
tschatzl
parents:
8824
diff
changeset
|
3108 initHeapSize = limit_by_allocatable_memory(initHeapSize); |
0 | 3109 |
3110 if (FLAG_IS_DEFAULT(MaxHeapSize)) { | |
3111 FLAG_SET_CMDLINE(uintx, MaxHeapSize, initHeapSize); | |
1064 | 3112 FLAG_SET_CMDLINE(uintx, InitialHeapSize, initHeapSize); |
0 | 3113 // Currently the minimum size and the initial heap sizes are the same. |
1064 | 3114 set_min_heap_size(initHeapSize); |
0 | 3115 } |
3116 if (FLAG_IS_DEFAULT(NewSize)) { | |
3117 // Make the young generation 3/8ths of the total heap. | |
3118 FLAG_SET_CMDLINE(uintx, NewSize, | |
3119 ((julong)MaxHeapSize / (julong)8) * (julong)3); | |
3120 FLAG_SET_CMDLINE(uintx, MaxNewSize, NewSize); | |
3121 } | |
3122 | |
6917
e81fbc04a942
7191817: -XX:+UseSerialGC -XX:+UseLargePages crashes with SIGFPE on MacOS X
coleenp
parents:
6916
diff
changeset
|
3123 #ifndef _ALLBSD_SOURCE // UseLargePages is not yet supported on BSD. |
0 | 3124 FLAG_SET_DEFAULT(UseLargePages, true); |
6917
e81fbc04a942
7191817: -XX:+UseSerialGC -XX:+UseLargePages crashes with SIGFPE on MacOS X
coleenp
parents:
6916
diff
changeset
|
3125 #endif |
0 | 3126 |
3127 // Increase some data structure sizes for efficiency | |
3128 FLAG_SET_CMDLINE(uintx, BaseFootPrintEstimate, MaxHeapSize); | |
3129 FLAG_SET_CMDLINE(bool, ResizeTLAB, false); | |
3130 FLAG_SET_CMDLINE(uintx, TLABSize, 256*K); | |
3131 | |
3132 // See the OldPLABSize comment below, but replace 'after promotion' | |
3133 // with 'after copying'. YoungPLABSize is the size of the survivor | |
3134 // space per-gc-thread buffers. The default is 4kw. | |
3135 FLAG_SET_CMDLINE(uintx, YoungPLABSize, 256*K); // Note: this is in words | |
3136 | |
3137 // OldPLABSize is the size of the buffers in the old gen that | |
3138 // UseParallelGC uses to promote live data that doesn't fit in the | |
3139 // survivor spaces. At any given time, there's one for each gc thread. | |
3140 // The default size is 1kw. These buffers are rarely used, since the | |
3141 // survivor spaces are usually big enough. For specjbb, however, there | |
3142 // are occasions when there's lots of live data in the young gen | |
3143 // and we end up promoting some of it. We don't have a definite | |
3144 // explanation for why bumping OldPLABSize helps, but the theory | |
3145 // is that a bigger PLAB results in retaining something like the | |
3146 // original allocation order after promotion, which improves mutator | |
3147 // locality. A minor effect may be that larger PLABs reduce the | |
3148 // number of PLAB allocation events during gc. The value of 8kw | |
3149 // was arrived at by experimenting with specjbb. | |
3150 FLAG_SET_CMDLINE(uintx, OldPLABSize, 8*K); // Note: this is in words | |
3151 | |
3152 // Enable parallel GC and adaptive generation sizing | |
3153 FLAG_SET_CMDLINE(bool, UseParallelGC, true); | |
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
3154 FLAG_SET_DEFAULT(ParallelGCThreads, |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
3155 Abstract_VM_Version::parallel_worker_threads()); |
0 | 3156 |
3157 // Encourage steady state memory management | |
3158 FLAG_SET_CMDLINE(uintx, ThresholdTolerance, 100); | |
3159 | |
3160 // This appears to improve mutator locality | |
3161 FLAG_SET_CMDLINE(bool, ScavengeBeforeFullGC, false); | |
3162 | |
3163 // Get around early Solaris scheduling bug | |
3164 // (affinity vs other jobs on system) | |
3165 // but disallow DR and offlining (5008695). | |
3166 FLAG_SET_CMDLINE(bool, BindGCTaskThreadsToCPUs, true); | |
3167 | |
3168 } else if (match_option(option, "-XX:+NeverTenure", &tail)) { | |
3169 // The last option must always win. | |
3170 FLAG_SET_CMDLINE(bool, AlwaysTenure, false); | |
3171 FLAG_SET_CMDLINE(bool, NeverTenure, true); | |
3172 } else if (match_option(option, "-XX:+AlwaysTenure", &tail)) { | |
3173 // The last option must always win. | |
3174 FLAG_SET_CMDLINE(bool, NeverTenure, false); | |
3175 FLAG_SET_CMDLINE(bool, AlwaysTenure, true); | |
3176 } else if (match_option(option, "-XX:+CMSPermGenSweepingEnabled", &tail) || | |
3177 match_option(option, "-XX:-CMSPermGenSweepingEnabled", &tail)) { | |
3178 jio_fprintf(defaultStream::error_stream(), | |
3179 "Please use CMSClassUnloadingEnabled in place of " | |
3180 "CMSPermGenSweepingEnabled in the future\n"); | |
3181 } else if (match_option(option, "-XX:+UseGCTimeLimit", &tail)) { | |
3182 FLAG_SET_CMDLINE(bool, UseGCOverheadLimit, true); | |
3183 jio_fprintf(defaultStream::error_stream(), | |
3184 "Please use -XX:+UseGCOverheadLimit in place of " | |
3185 "-XX:+UseGCTimeLimit in the future\n"); | |
3186 } else if (match_option(option, "-XX:-UseGCTimeLimit", &tail)) { | |
3187 FLAG_SET_CMDLINE(bool, UseGCOverheadLimit, false); | |
3188 jio_fprintf(defaultStream::error_stream(), | |
3189 "Please use -XX:-UseGCOverheadLimit in place of " | |
3190 "-XX:-UseGCTimeLimit in the future\n"); | |
3191 // The TLE options are for compatibility with 1.3 and will be | |
3192 // removed without notice in a future release. These options | |
3193 // are not to be documented. | |
3194 } else if (match_option(option, "-XX:MaxTLERatio=", &tail)) { | |
3195 // No longer used. | |
3196 } else if (match_option(option, "-XX:+ResizeTLE", &tail)) { | |
3197 FLAG_SET_CMDLINE(bool, ResizeTLAB, true); | |
3198 } else if (match_option(option, "-XX:-ResizeTLE", &tail)) { | |
3199 FLAG_SET_CMDLINE(bool, ResizeTLAB, false); | |
3200 } else if (match_option(option, "-XX:+PrintTLE", &tail)) { | |
3201 FLAG_SET_CMDLINE(bool, PrintTLAB, true); | |
3202 } else if (match_option(option, "-XX:-PrintTLE", &tail)) { | |
3203 FLAG_SET_CMDLINE(bool, PrintTLAB, false); | |
3204 } else if (match_option(option, "-XX:TLEFragmentationRatio=", &tail)) { | |
3205 // No longer used. | |
3206 } else if (match_option(option, "-XX:TLESize=", &tail)) { | |
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
3207 julong long_tlab_size = 0; |
0 | 3208 ArgsRange errcode = parse_memory_size(tail, &long_tlab_size, 1); |
3209 if (errcode != arg_in_range) { | |
3210 jio_fprintf(defaultStream::error_stream(), | |
3211 "Invalid TLAB size: %s\n", option->optionString); | |
3212 describe_range_error(errcode); | |
3213 return JNI_EINVAL; | |
3214 } | |
3215 FLAG_SET_CMDLINE(uintx, TLABSize, long_tlab_size); | |
3216 } else if (match_option(option, "-XX:TLEThreadRatio=", &tail)) { | |
3217 // No longer used. | |
3218 } else if (match_option(option, "-XX:+UseTLE", &tail)) { | |
3219 FLAG_SET_CMDLINE(bool, UseTLAB, true); | |
3220 } else if (match_option(option, "-XX:-UseTLE", &tail)) { | |
3221 FLAG_SET_CMDLINE(bool, UseTLAB, false); | |
3222 } else if (match_option(option, "-XX:+DisplayVMOutputToStderr", &tail)) { | |
3223 FLAG_SET_CMDLINE(bool, DisplayVMOutputToStdout, false); | |
3224 FLAG_SET_CMDLINE(bool, DisplayVMOutputToStderr, true); | |
3225 } else if (match_option(option, "-XX:+DisplayVMOutputToStdout", &tail)) { | |
3226 FLAG_SET_CMDLINE(bool, DisplayVMOutputToStderr, false); | |
3227 FLAG_SET_CMDLINE(bool, DisplayVMOutputToStdout, true); | |
3228 } else if (match_option(option, "-XX:+ExtendedDTraceProbes", &tail)) { | |
4006 | 3229 #if defined(DTRACE_ENABLED) |
0 | 3230 FLAG_SET_CMDLINE(bool, ExtendedDTraceProbes, true); |
3231 FLAG_SET_CMDLINE(bool, DTraceMethodProbes, true); | |
3232 FLAG_SET_CMDLINE(bool, DTraceAllocProbes, true); | |
3233 FLAG_SET_CMDLINE(bool, DTraceMonitorProbes, true); | |
4006 | 3234 #else // defined(DTRACE_ENABLED) |
0 | 3235 jio_fprintf(defaultStream::error_stream(), |
4006 | 3236 "ExtendedDTraceProbes flag is not applicable for this configuration\n"); |
0 | 3237 return JNI_EINVAL; |
4006 | 3238 #endif // defined(DTRACE_ENABLED) |
0 | 3239 #ifdef ASSERT |
1145
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
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1074
diff
changeset
|
3240 } else if (match_option(option, "-XX:+FullGCALot", &tail)) { |
0 | 3241 FLAG_SET_CMDLINE(bool, FullGCALot, true); |
3242 // disable scavenge before parallel mark-compact | |
3243 FLAG_SET_CMDLINE(bool, ScavengeBeforeFullGC, false); | |
3244 #endif | |
1145
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3245 } else if (match_option(option, "-XX:CMSParPromoteBlocksToClaim=", &tail)) { |
0 | 3246 julong cms_blocks_to_claim = (julong)atol(tail); |
3247 FLAG_SET_CMDLINE(uintx, CMSParPromoteBlocksToClaim, cms_blocks_to_claim); | |
3248 jio_fprintf(defaultStream::error_stream(), | |
1145
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3249 "Please use -XX:OldPLABSize in place of " |
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3250 "-XX:CMSParPromoteBlocksToClaim in the future\n"); |
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3251 } else if (match_option(option, "-XX:ParCMSPromoteBlocksToClaim=", &tail)) { |
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3252 julong cms_blocks_to_claim = (julong)atol(tail); |
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3253 FLAG_SET_CMDLINE(uintx, CMSParPromoteBlocksToClaim, cms_blocks_to_claim); |
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3254 jio_fprintf(defaultStream::error_stream(), |
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3255 "Please use -XX:OldPLABSize in place of " |
0 | 3256 "-XX:ParCMSPromoteBlocksToClaim in the future\n"); |
1145
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
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1074
diff
changeset
|
3257 } else if (match_option(option, "-XX:ParallelGCOldGenAllocBufferSize=", &tail)) { |
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
3258 julong old_plab_size = 0; |
0 | 3259 ArgsRange errcode = parse_memory_size(tail, &old_plab_size, 1); |
3260 if (errcode != arg_in_range) { | |
3261 jio_fprintf(defaultStream::error_stream(), | |
3262 "Invalid old PLAB size: %s\n", option->optionString); | |
3263 describe_range_error(errcode); | |
3264 return JNI_EINVAL; | |
3265 } | |
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
3266 FLAG_SET_CMDLINE(uintx, OldPLABSize, old_plab_size); |
0 | 3267 jio_fprintf(defaultStream::error_stream(), |
3268 "Please use -XX:OldPLABSize in place of " | |
3269 "-XX:ParallelGCOldGenAllocBufferSize in the future\n"); | |
1145
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3270 } else if (match_option(option, "-XX:ParallelGCToSpaceAllocBufferSize=", &tail)) { |
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
3271 julong young_plab_size = 0; |
0 | 3272 ArgsRange errcode = parse_memory_size(tail, &young_plab_size, 1); |
3273 if (errcode != arg_in_range) { | |
3274 jio_fprintf(defaultStream::error_stream(), | |
3275 "Invalid young PLAB size: %s\n", option->optionString); | |
3276 describe_range_error(errcode); | |
3277 return JNI_EINVAL; | |
3278 } | |
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
3279 FLAG_SET_CMDLINE(uintx, YoungPLABSize, young_plab_size); |
0 | 3280 jio_fprintf(defaultStream::error_stream(), |
3281 "Please use -XX:YoungPLABSize in place of " | |
3282 "-XX:ParallelGCToSpaceAllocBufferSize in the future\n"); | |
1284 | 3283 } else if (match_option(option, "-XX:CMSMarkStackSize=", &tail) || |
3284 match_option(option, "-XX:G1MarkStackSize=", &tail)) { | |
3285 julong stack_size = 0; | |
3286 ArgsRange errcode = parse_memory_size(tail, &stack_size, 1); | |
3287 if (errcode != arg_in_range) { | |
3288 jio_fprintf(defaultStream::error_stream(), | |
3289 "Invalid mark stack size: %s\n", option->optionString); | |
3290 describe_range_error(errcode); | |
3291 return JNI_EINVAL; | |
3292 } | |
3293 FLAG_SET_CMDLINE(uintx, MarkStackSize, stack_size); | |
3294 } else if (match_option(option, "-XX:CMSMarkStackSizeMax=", &tail)) { | |
3295 julong max_stack_size = 0; | |
3296 ArgsRange errcode = parse_memory_size(tail, &max_stack_size, 1); | |
3297 if (errcode != arg_in_range) { | |
3298 jio_fprintf(defaultStream::error_stream(), | |
3299 "Invalid maximum mark stack size: %s\n", | |
3300 option->optionString); | |
3301 describe_range_error(errcode); | |
3302 return JNI_EINVAL; | |
3303 } | |
3304 FLAG_SET_CMDLINE(uintx, MarkStackSizeMax, max_stack_size); | |
3305 } else if (match_option(option, "-XX:ParallelMarkingThreads=", &tail) || | |
3306 match_option(option, "-XX:ParallelCMSThreads=", &tail)) { | |
3307 uintx conc_threads = 0; | |
3308 if (!parse_uintx(tail, &conc_threads, 1)) { | |
3309 jio_fprintf(defaultStream::error_stream(), | |
3310 "Invalid concurrent threads: %s\n", option->optionString); | |
3311 return JNI_EINVAL; | |
3312 } | |
3313 FLAG_SET_CMDLINE(uintx, ConcGCThreads, conc_threads); | |
6199
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3314 } else if (match_option(option, "-XX:MaxDirectMemorySize=", &tail)) { |
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3315 julong max_direct_memory_size = 0; |
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3316 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
|
3317 if (errcode != arg_in_range) { |
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3318 jio_fprintf(defaultStream::error_stream(), |
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3319 "Invalid maximum direct memory size: %s\n", |
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3320 option->optionString); |
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3321 describe_range_error(errcode); |
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3322 return JNI_EINVAL; |
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3323 } |
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3324 FLAG_SET_CMDLINE(uintx, MaxDirectMemorySize, max_direct_memory_size); |
6878
85916677fc22
7188233: UseVMInterruptibleIO flag deprecate for JDK8
coleenp
parents:
6857
diff
changeset
|
3325 } else if (match_option(option, "-XX:+UseVMInterruptibleIO", &tail)) { |
85916677fc22
7188233: UseVMInterruptibleIO flag deprecate for JDK8
coleenp
parents:
6857
diff
changeset
|
3326 // NOTE! In JDK 9, the UseVMInterruptibleIO flag will completely go |
85916677fc22
7188233: UseVMInterruptibleIO flag deprecate for JDK8
coleenp
parents:
6857
diff
changeset
|
3327 // away and will cause VM initialization failures! |
85916677fc22
7188233: UseVMInterruptibleIO flag deprecate for JDK8
coleenp
parents:
6857
diff
changeset
|
3328 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
|
3329 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
|
3330 #if !INCLUDE_MANAGEMENT |
579f6adb7f51
8003539: Minimal VM don't react to -Dcom.sun.management and -XX:+ManagementServer
jprovino
parents:
8002
diff
changeset
|
3331 } 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
|
3332 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
|
3333 "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
|
3334 return JNI_ERR; |
8081
579f6adb7f51
8003539: Minimal VM don't react to -Dcom.sun.management and -XX:+ManagementServer
jprovino
parents:
8002
diff
changeset
|
3335 #endif // INCLUDE_MANAGEMENT |
1145
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3336 } else if (match_option(option, "-XX:", &tail)) { // -XX:xxxx |
0 | 3337 // Skip -XX:Flags= since that case has already been handled |
3338 if (strncmp(tail, "Flags=", strlen("Flags=")) != 0) { | |
3339 if (!process_argument(tail, args->ignoreUnrecognized, origin)) { | |
3340 return JNI_EINVAL; | |
3341 } | |
3342 } | |
3343 // Unknown option | |
3344 } else if (is_bad_option(option, args->ignoreUnrecognized)) { | |
3345 return JNI_ERR; | |
3346 } | |
3347 } | |
3767
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
3348 |
20375
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3349 // PrintSharedArchiveAndExit will turn on |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3350 // -Xshare:on |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3351 // -XX:+TraceClassPaths |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3352 if (PrintSharedArchiveAndExit) { |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3353 FLAG_SET_CMDLINE(bool, UseSharedSpaces, true); |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3354 FLAG_SET_CMDLINE(bool, RequireSharedSpaces, true); |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3355 FLAG_SET_CMDLINE(bool, TraceClassPaths, true); |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3356 } |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3357 |
449
171e581e8161
6554406: Change switch UseVMInterruptibleIO default to false (sol)
xlu
parents:
420
diff
changeset
|
3358 // 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
|
3359 // when working with older JDKs. |
1679
3d90023429ec
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
1628
diff
changeset
|
3360 #ifdef LINUX |
3d90023429ec
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
1628
diff
changeset
|
3361 if (JDK_Version::current().compare_major(6) <= 0 && |
3d90023429ec
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
1628
diff
changeset
|
3362 FLAG_IS_DEFAULT(UseLinuxPosixThreadCPUClocks)) { |
3d90023429ec
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
1628
diff
changeset
|
3363 FLAG_SET_DEFAULT(UseLinuxPosixThreadCPUClocks, false); |
3d90023429ec
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
1628
diff
changeset
|
3364 } |
3d90023429ec
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
1628
diff
changeset
|
3365 #endif // LINUX |
20375
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3366 fix_appclasspath(); |
0 | 3367 return JNI_OK; |
3368 } | |
3369 | |
20375
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3370 // Remove all empty paths from the app classpath (if IgnoreEmptyClassPaths is enabled) |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3371 // |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3372 // This is necessary because some apps like to specify classpath like -cp foo.jar:${XYZ}:bar.jar |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3373 // in their start-up scripts. If XYZ is empty, the classpath will look like "-cp foo.jar::bar.jar". |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3374 // Java treats such empty paths as if the user specified "-cp foo.jar:.:bar.jar". I.e., an empty |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3375 // path is treated as the current directory. |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3376 // |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3377 // This causes problems with CDS, which requires that all directories specified in the classpath |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3378 // must be empty. In most cases, applications do NOT want to load classes from the current |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3379 // directory anyway. Adding -XX:+IgnoreEmptyClassPaths will make these applications' start-up |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3380 // scripts compatible with CDS. |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3381 void Arguments::fix_appclasspath() { |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3382 if (IgnoreEmptyClassPaths) { |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3383 const char separator = *os::path_separator(); |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3384 const char* src = _java_class_path->value(); |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3385 |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3386 // skip over all the leading empty paths |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3387 while (*src == separator) { |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3388 src ++; |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3389 } |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3390 |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3391 char* copy = AllocateHeap(strlen(src) + 1, mtInternal); |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3392 strncpy(copy, src, strlen(src) + 1); |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3393 |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3394 // trim all trailing empty paths |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3395 for (char* tail = copy + strlen(copy) - 1; tail >= copy && *tail == separator; tail--) { |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3396 *tail = '\0'; |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3397 } |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3398 |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3399 char from[3] = {separator, separator, '\0'}; |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3400 char to [2] = {separator, '\0'}; |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3401 while (StringUtils::replace_no_expand(copy, from, to) > 0) { |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3402 // Keep replacing "::" -> ":" until we have no more "::" (non-windows) |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3403 // Keep replacing ";;" -> ";" until we have no more ";;" (windows) |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3404 } |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3405 |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3406 _java_class_path->set_value(copy); |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3407 FreeHeap(copy); // a copy was made by set_value, so don't need this anymore |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3408 } |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3409 |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3410 if (!PrintSharedArchiveAndExit) { |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3411 ClassLoader::trace_class_path("[classpath: ", _java_class_path->value()); |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3412 } |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3413 } |
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3414 |
20654
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3415 static bool has_jar_files(const char* directory) { |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3416 DIR* dir = os::opendir(directory); |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3417 if (dir == NULL) return false; |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3418 |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3419 struct dirent *entry; |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3420 char *dbuf = NEW_C_HEAP_ARRAY(char, os::readdir_buf_size(directory), mtInternal); |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3421 bool hasJarFile = false; |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3422 while (!hasJarFile && (entry = os::readdir(dir, (dirent *) dbuf)) != NULL) { |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3423 const char* name = entry->d_name; |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3424 const char* ext = name + strlen(name) - 4; |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3425 hasJarFile = ext > name && (os::file_name_strcmp(ext, ".jar") == 0); |
fa6adc194d48
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|
3426 } |
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|
3427 FREE_C_HEAP_ARRAY(char, dbuf, mtInternal); |
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|
3428 os::closedir(dir); |
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|
3429 return hasJarFile ; |
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|
3430 } |
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|
3431 |
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|
3432 // returns the number of directories in the given path containing JAR files |
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|
3433 // If the skip argument is not NULL, it will skip that directory |
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|
3434 static int check_non_empty_dirs(const char* path, const char* type, const char* skip) { |
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|
3435 const char separator = *os::path_separator(); |
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3436 const char* const end = path + strlen(path); |
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|
3437 int nonEmptyDirs = 0; |
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|
3438 while (path < end) { |
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|
3439 const char* tmp_end = strchr(path, separator); |
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|
3440 if (tmp_end == NULL) { |
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|
3441 if ((skip == NULL || strcmp(path, skip) != 0) && has_jar_files(path)) { |
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|
3442 nonEmptyDirs++; |
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|
3443 jio_fprintf(defaultStream::output_stream(), |
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|
3444 "Non-empty %s directory: %s\n", type, path); |
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|
3445 } |
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|
3446 path = end; |
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|
3447 } else { |
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|
3448 char* dirpath = NEW_C_HEAP_ARRAY(char, tmp_end - path + 1, mtInternal); |
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|
3449 memcpy(dirpath, path, tmp_end - path); |
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|
3450 dirpath[tmp_end - path] = '\0'; |
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|
3451 if ((skip == NULL || strcmp(dirpath, skip) != 0) && has_jar_files(dirpath)) { |
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|
3452 nonEmptyDirs++; |
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|
3453 jio_fprintf(defaultStream::output_stream(), |
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|
3454 "Non-empty %s directory: %s\n", type, dirpath); |
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|
3455 } |
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|
3456 FREE_C_HEAP_ARRAY(char, dirpath, mtInternal); |
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|
3457 path = tmp_end + 1; |
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|
3458 } |
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|
3459 } |
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|
3460 return nonEmptyDirs; |
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|
3461 } |
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|
3462 |
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|
3463 // Returns true if endorsed standards override mechanism and extension mechanism |
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|
3464 // are not used. |
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|
3465 static bool check_endorsed_and_ext_dirs() { |
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|
3466 if (!CheckEndorsedAndExtDirs) |
fa6adc194d48
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|
3467 return true; |
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changeset
|
3468 |
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|
3469 char endorsedDir[JVM_MAXPATHLEN]; |
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|
3470 char extDir[JVM_MAXPATHLEN]; |
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|
3471 const char* fileSep = os::file_separator(); |
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|
3472 jio_snprintf(endorsedDir, sizeof(endorsedDir), "%s%slib%sendorsed", |
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|
3473 Arguments::get_java_home(), fileSep, fileSep); |
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|
3474 jio_snprintf(extDir, sizeof(extDir), "%s%slib%sext", |
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|
3475 Arguments::get_java_home(), fileSep, fileSep); |
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|
3476 |
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|
3477 // check endorsed directory |
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|
3478 int nonEmptyDirs = check_non_empty_dirs(Arguments::get_endorsed_dir(), "endorsed", NULL); |
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|
3479 |
fa6adc194d48
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|
3480 // check the extension directories but skip the default lib/ext directory |
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|
3481 nonEmptyDirs += check_non_empty_dirs(Arguments::get_ext_dirs(), "extension", extDir); |
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|
3482 |
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|
3483 // List of JAR files installed in the default lib/ext directory. |
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|
3484 // -XX:+CheckEndorsedAndExtDirs checks if any non-JDK file installed |
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|
3485 static const char* jdk_ext_jars[] = { |
fa6adc194d48
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|
3486 "access-bridge-32.jar", |
fa6adc194d48
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|
3487 "access-bridge-64.jar", |
fa6adc194d48
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|
3488 "access-bridge.jar", |
fa6adc194d48
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|
3489 "cldrdata.jar", |
fa6adc194d48
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|
3490 "dnsns.jar", |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
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|
3491 "jaccess.jar", |
fa6adc194d48
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mchung
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|
3492 "jfxrt.jar", |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
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|
3493 "localedata.jar", |
fa6adc194d48
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|
3494 "nashorn.jar", |
fa6adc194d48
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|
3495 "sunec.jar", |
fa6adc194d48
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|
3496 "sunjce_provider.jar", |
fa6adc194d48
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|
3497 "sunmscapi.jar", |
fa6adc194d48
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|
3498 "sunpkcs11.jar", |
fa6adc194d48
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|
3499 "ucrypto.jar", |
fa6adc194d48
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|
3500 "zipfs.jar", |
fa6adc194d48
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|
3501 NULL |
fa6adc194d48
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changeset
|
3502 }; |
fa6adc194d48
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changeset
|
3503 |
fa6adc194d48
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|
3504 // check if the default lib/ext directory has any non-JDK jar files; if so, error |
fa6adc194d48
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|
3505 DIR* dir = os::opendir(extDir); |
fa6adc194d48
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|
3506 if (dir != NULL) { |
fa6adc194d48
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|
3507 int num_ext_jars = 0; |
fa6adc194d48
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|
3508 struct dirent *entry; |
fa6adc194d48
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|
3509 char *dbuf = NEW_C_HEAP_ARRAY(char, os::readdir_buf_size(extDir), mtInternal); |
fa6adc194d48
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|
3510 while ((entry = os::readdir(dir, (dirent *) dbuf)) != NULL) { |
fa6adc194d48
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|
3511 const char* name = entry->d_name; |
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|
3512 const char* ext = name + strlen(name) - 4; |
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|
3513 if (ext > name && (os::file_name_strcmp(ext, ".jar") == 0)) { |
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|
3514 bool is_jdk_jar = false; |
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|
3515 const char* jarfile = NULL; |
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|
3516 for (int i=0; (jarfile = jdk_ext_jars[i]) != NULL; i++) { |
fa6adc194d48
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|
3517 if (os::file_name_strcmp(name, jarfile) == 0) { |
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|
3518 is_jdk_jar = true; |
fa6adc194d48
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changeset
|
3519 break; |
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diff
changeset
|
3520 } |
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diff
changeset
|
3521 } |
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changeset
|
3522 if (!is_jdk_jar) { |
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|
3523 jio_fprintf(defaultStream::output_stream(), |
fa6adc194d48
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|
3524 "%s installed in <JAVA_HOME>/lib/ext\n", name); |
fa6adc194d48
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|
3525 num_ext_jars++; |
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changeset
|
3526 } |
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changeset
|
3527 } |
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changeset
|
3528 } |
fa6adc194d48
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diff
changeset
|
3529 FREE_C_HEAP_ARRAY(char, dbuf, mtInternal); |
fa6adc194d48
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|
3530 os::closedir(dir); |
fa6adc194d48
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changeset
|
3531 if (num_ext_jars > 0) { |
fa6adc194d48
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changeset
|
3532 nonEmptyDirs += 1; |
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diff
changeset
|
3533 } |
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diff
changeset
|
3534 } |
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changeset
|
3535 |
fa6adc194d48
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changeset
|
3536 // check if the default lib/endorsed directory exists; if so, error |
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|
3537 dir = os::opendir(endorsedDir); |
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changeset
|
3538 if (dir != NULL) { |
fa6adc194d48
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changeset
|
3539 jio_fprintf(defaultStream::output_stream(), "<JAVA_HOME>/lib/endorsed exists\n"); |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3540 os::closedir(dir); |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3541 nonEmptyDirs += 1; |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3542 } |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3543 |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3544 if (nonEmptyDirs > 0) { |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3545 jio_fprintf(defaultStream::output_stream(), |
20684
c03d85ef5e6a
8065765: Missing space in output message from -XX:+CheckEndorsedAndExtDirs
mchung
parents:
20655
diff
changeset
|
3546 "Endorsed standards override mechanism and extension mechanism " |
20654
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3547 "will not be supported in a future release.\n" |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3548 "Refer to JEP 220 for details (http://openjdk.java.net/jeps/220).\n"); |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3549 return false; |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3550 } |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3551 |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3552 return true; |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3553 } |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3554 |
0 | 3555 jint Arguments::finalize_vm_init_args(SysClassPath* scp_p, bool scp_assembly_required) { |
3556 // This must be done after all -D arguments have been processed. | |
3557 scp_p->expand_endorsed(); | |
3558 | |
3559 if (scp_assembly_required || scp_p->get_endorsed() != NULL) { | |
3560 // Assemble the bootclasspath elements into the final path. | |
3561 Arguments::set_sysclasspath(scp_p->combined_path()); | |
3562 } | |
3563 | |
20654
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3564 if (!check_endorsed_and_ext_dirs()) { |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3565 return JNI_ERR; |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3566 } |
fa6adc194d48
8064667: Add -XX:+CheckEndorsedAndExtDirs flag to JDK 8
mchung
parents:
20601
diff
changeset
|
3567 |
0 | 3568 // This must be done after all arguments have been processed. |
3569 // java_compiler() true means set to "NONE" or empty. | |
3570 if (java_compiler() && !xdebug_mode()) { | |
3571 // For backwards compatibility, we switch to interpreted mode if | |
3572 // -Djava.compiler="NONE" or "" is specified AND "-Xdebug" was | |
3573 // not specified. | |
3574 set_mode_flags(_int); | |
3575 } | |
3576 if (CompileThreshold == 0) { | |
3577 set_mode_flags(_int); | |
3578 } | |
3579 | |
10292
acac2b03a07f
8014765: VM exits if MaxTenuringThreshold is set below the default InitialTenuringThreshold, and InitialTenuringThreshold is not set
tschatzl
parents:
10287
diff
changeset
|
3580 // 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
|
3581 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
|
3582 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
|
3583 } |
acac2b03a07f
8014765: VM exits if MaxTenuringThreshold is set below the default InitialTenuringThreshold, and InitialTenuringThreshold is not set
tschatzl
parents:
10287
diff
changeset
|
3584 |
0 | 3585 #ifndef COMPILER2 |
3586 // Don't degrade server performance for footprint | |
3587 if (FLAG_IS_DEFAULT(UseLargePages) && | |
3588 MaxHeapSize < LargePageHeapSizeThreshold) { | |
3589 // No need for large granularity pages w/small heaps. | |
3590 // Note that large pages are enabled/disabled for both the | |
3591 // Java heap and the code cache. | |
3592 FLAG_SET_DEFAULT(UseLargePages, false); | |
3593 } | |
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
3594 |
0 | 3595 #else |
3596 if (!FLAG_IS_DEFAULT(OptoLoopAlignment) && FLAG_IS_DEFAULT(MaxLoopPad)) { | |
3597 FLAG_SET_DEFAULT(MaxLoopPad, OptoLoopAlignment-1); | |
3598 } | |
3599 #endif | |
3600 | |
11999
79a5283f4595
8021120: TieredCompilation can be enabled even if TIERED is undefined
iignatyev
parents:
11154
diff
changeset
|
3601 #ifndef TIERED |
79a5283f4595
8021120: TieredCompilation can be enabled even if TIERED is undefined
iignatyev
parents:
11154
diff
changeset
|
3602 // Tiered compilation is undefined. |
79a5283f4595
8021120: TieredCompilation can be enabled even if TIERED is undefined
iignatyev
parents:
11154
diff
changeset
|
3603 UNSUPPORTED_OPTION(TieredCompilation, "TieredCompilation"); |
79a5283f4595
8021120: TieredCompilation can be enabled even if TIERED is undefined
iignatyev
parents:
11154
diff
changeset
|
3604 #endif |
79a5283f4595
8021120: TieredCompilation can be enabled even if TIERED is undefined
iignatyev
parents:
11154
diff
changeset
|
3605 |
1681
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3606 // 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
|
3607 // to be true unless the property has already been set. |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3608 // 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
|
3609 if (os::is_headless_jre()) { |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3610 const char* headless = Arguments::get_property("java.awt.headless"); |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3611 if (headless == NULL) { |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3612 char envbuffer[128]; |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3613 if (!os::getenv("JAVA_AWT_HEADLESS", envbuffer, sizeof(envbuffer))) { |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3614 if (!add_property("java.awt.headless=true")) { |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3615 return JNI_ENOMEM; |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3616 } |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3617 } else { |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3618 char buffer[256]; |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3619 strcpy(buffer, "java.awt.headless="); |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3620 strcat(buffer, envbuffer); |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3621 if (!add_property(buffer)) { |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3622 return JNI_ENOMEM; |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3623 } |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3624 } |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3625 } |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3626 } |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3627 |
20655
b840813adfcc
8065305: Make it possible to extend the G1CollectorPolicy
jwilhelm
parents:
20654
diff
changeset
|
3628 if (!check_vm_args_consistency()) { |
0 | 3629 return JNI_ERR; |
3630 } | |
3631 | |
3632 return JNI_OK; | |
3633 } | |
3634 | |
3635 jint Arguments::parse_java_options_environment_variable(SysClassPath* scp_p, bool* scp_assembly_required_p) { | |
3636 return parse_options_environment_variable("_JAVA_OPTIONS", scp_p, | |
3637 scp_assembly_required_p); | |
3638 } | |
3639 | |
3640 jint Arguments::parse_java_tool_options_environment_variable(SysClassPath* scp_p, bool* scp_assembly_required_p) { | |
3641 return parse_options_environment_variable("JAVA_TOOL_OPTIONS", scp_p, | |
3642 scp_assembly_required_p); | |
3643 } | |
3644 | |
3645 jint Arguments::parse_options_environment_variable(const char* name, SysClassPath* scp_p, bool* scp_assembly_required_p) { | |
3646 const int N_MAX_OPTIONS = 64; | |
3647 const int OPTION_BUFFER_SIZE = 1024; | |
3648 char buffer[OPTION_BUFFER_SIZE]; | |
3649 | |
3650 // The variable will be ignored if it exceeds the length of the buffer. | |
3651 // Don't check this variable if user has special privileges | |
3652 // (e.g. unix su command). | |
3653 if (os::getenv(name, buffer, sizeof(buffer)) && | |
3654 !os::have_special_privileges()) { | |
3655 JavaVMOption options[N_MAX_OPTIONS]; // Construct option array | |
3656 jio_fprintf(defaultStream::error_stream(), | |
3657 "Picked up %s: %s\n", name, buffer); | |
3658 char* rd = buffer; // pointer to the input string (rd) | |
3659 int i; | |
3660 for (i = 0; i < N_MAX_OPTIONS;) { // repeat for all options in the input string | |
3661 while (isspace(*rd)) rd++; // skip whitespace | |
3662 if (*rd == 0) break; // we re done when the input string is read completely | |
3663 | |
3664 // The output, option string, overwrites the input string. | |
3665 // Because of quoting, the pointer to the option string (wrt) may lag the pointer to | |
3666 // input string (rd). | |
3667 char* wrt = rd; | |
3668 | |
3669 options[i++].optionString = wrt; // Fill in option | |
3670 while (*rd != 0 && !isspace(*rd)) { // unquoted strings terminate with a space or NULL | |
3671 if (*rd == '\'' || *rd == '"') { // handle a quoted string | |
3672 int quote = *rd; // matching quote to look for | |
3673 rd++; // don't copy open quote | |
3674 while (*rd != quote) { // include everything (even spaces) up until quote | |
3675 if (*rd == 0) { // string termination means unmatched string | |
3676 jio_fprintf(defaultStream::error_stream(), | |
3677 "Unmatched quote in %s\n", name); | |
3678 return JNI_ERR; | |
3679 } | |
3680 *wrt++ = *rd++; // copy to option string | |
3681 } | |
3682 rd++; // don't copy close quote | |
3683 } else { | |
3684 *wrt++ = *rd++; // copy to option string | |
3685 } | |
3686 } | |
3687 // Need to check if we're done before writing a NULL, | |
3688 // because the write could be to the byte that rd is pointing to. | |
3689 if (*rd++ == 0) { | |
3690 *wrt = 0; | |
3691 break; | |
3692 } | |
3693 *wrt = 0; // Zero terminate option | |
3694 } | |
3695 // Construct JavaVMInitArgs structure and parse as if it was part of the command line | |
3696 JavaVMInitArgs vm_args; | |
3697 vm_args.version = JNI_VERSION_1_2; | |
3698 vm_args.options = options; | |
3699 vm_args.nOptions = i; | |
564 | 3700 vm_args.ignoreUnrecognized = IgnoreUnrecognizedVMOptions; |
0 | 3701 |
3702 if (PrintVMOptions) { | |
3703 const char* tail; | |
3704 for (int i = 0; i < vm_args.nOptions; i++) { | |
3705 const JavaVMOption *option = vm_args.options + i; | |
3706 if (match_option(option, "-XX:", &tail)) { | |
3707 logOption(tail); | |
3708 } | |
3709 } | |
3710 } | |
3711 | |
12322
72b7e96c1922
8024545: make develop and notproduct flag values available in product builds
twisti
parents:
12269
diff
changeset
|
3712 return(parse_each_vm_init_arg(&vm_args, scp_p, scp_assembly_required_p, Flag::ENVIRON_VAR)); |
0 | 3713 } |
3714 return JNI_OK; | |
3715 } | |
3716 | |
2362
a2c2eac1ca62
7018056: large pages not always enabled by default
jcoomes
parents:
2302
diff
changeset
|
3717 void Arguments::set_shared_spaces_flags() { |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3718 if (DumpSharedSpaces) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3719 if (RequireSharedSpaces) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3720 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
|
3721 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3722 UseSharedSpaces = false; |
12056
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
3723 #ifdef _LP64 |
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
3724 if (!UseCompressedOops || !UseCompressedClassPointers) { |
12056
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
3725 vm_exit_during_initialization( |
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
3726 "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
|
3727 } |
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
3728 } else { |
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
3729 if (!UseCompressedOops || !UseCompressedClassPointers) { |
20375
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3730 no_shared_spaces("UseCompressedOops and UseCompressedClassPointers must be on for UseSharedSpaces."); |
12056
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
3731 } |
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
3732 #endif |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3733 } |
2362
a2c2eac1ca62
7018056: large pages not always enabled by default
jcoomes
parents:
2302
diff
changeset
|
3734 } |
1891
9de67bf4244d
6996136: VM crash in src/share/vm/runtime/virtualspace.cpp:424
iveresov
parents:
1890
diff
changeset
|
3735 |
9060
cc32ccaaf47f
8003310: Enable -Wunused-function when compiling with gcc
mikael
parents:
8847
diff
changeset
|
3736 #if !INCLUDE_ALL_GCS |
8086
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3737 static void force_serial_gc() { |
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3738 FLAG_SET_DEFAULT(UseSerialGC, true); |
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3739 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
|
3740 UNSUPPORTED_GC_OPTION(UseG1GC); |
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3741 UNSUPPORTED_GC_OPTION(UseParallelGC); |
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3742 UNSUPPORTED_GC_OPTION(UseParallelOldGC); |
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3743 UNSUPPORTED_GC_OPTION(UseConcMarkSweepGC); |
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3744 UNSUPPORTED_GC_OPTION(UseParNewGC); |
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3745 } |
9060
cc32ccaaf47f
8003310: Enable -Wunused-function when compiling with gcc
mikael
parents:
8847
diff
changeset
|
3746 #endif // INCLUDE_ALL_GCS |
8086
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3747 |
10270
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3748 // Sharing support |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3749 // Construct the path to the archive |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3750 static char* get_shared_archive_path() { |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3751 char *shared_archive_path; |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3752 if (SharedArchiveFile == NULL) { |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3753 char jvm_path[JVM_MAXPATHLEN]; |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3754 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
|
3755 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
|
3756 if (end != NULL) *end = '\0'; |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3757 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
|
3758 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
|
3759 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
|
3760 file_sep_len + 20, mtInternal); |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3761 if (shared_archive_path != NULL) { |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3762 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
|
3763 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
|
3764 strncat(shared_archive_path, "classes.jsa", 11); |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3765 } |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3766 } else { |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3767 shared_archive_path = NEW_C_HEAP_ARRAY(char, strlen(SharedArchiveFile) + 1, mtInternal); |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
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10264
diff
changeset
|
3768 if (shared_archive_path != NULL) { |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3769 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
|
3770 } |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3771 } |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3772 return shared_archive_path; |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3773 } |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3774 |
12257
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3775 #ifndef PRODUCT |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3776 // 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
|
3777 static bool use_vm_log() { |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3778 if (LogCompilation || !FLAG_IS_DEFAULT(LogFile) || |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3779 PrintCompilation || PrintInlining || PrintDependencies || PrintNativeNMethods || |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3780 PrintDebugInfo || PrintRelocations || PrintNMethods || PrintExceptionHandlers || |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3781 PrintAssembly || TraceDeoptimization || TraceDependencies || |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3782 (VerifyDependencies && FLAG_IS_CMDLINE(VerifyDependencies))) { |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3783 return true; |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3784 } |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3785 |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3786 #ifdef COMPILER1 |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3787 if (PrintC1Statistics) { |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3788 return true; |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3789 } |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3790 #endif // COMPILER1 |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3791 |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3792 #ifdef COMPILER2 |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3793 if (PrintOptoAssembly || PrintOptoStatistics) { |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3794 return true; |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3795 } |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3796 #endif // COMPILER2 |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3797 |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3798 return false; |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3799 } |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3800 #endif // PRODUCT |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3801 |
0 | 3802 // Parse entry point called from JNI_CreateJavaVM |
3803 | |
3804 jint Arguments::parse(const JavaVMInitArgs* args) { | |
3805 | |
3806 // Remaining part of option string | |
3807 const char* tail; | |
3808 | |
3809 // 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
|
3810 const char* hotspotrc = ".hotspotrc"; |
0 | 3811 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
|
3812 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
|
3813 |
20568
46140919bf90
8047934: Adding new API for unlocking diagnostic argument.
jiangli
parents:
20548
diff
changeset
|
3814 ArgumentsExt::process_options(args); |
46140919bf90
8047934: Adding new API for unlocking diagnostic argument.
jiangli
parents:
20548
diff
changeset
|
3815 |
564 | 3816 const char* flags_file; |
0 | 3817 int index; |
3818 for (index = 0; index < args->nOptions; index++) { | |
3819 const JavaVMOption *option = args->options + index; | |
3820 if (match_option(option, "-XX:Flags=", &tail)) { | |
564 | 3821 flags_file = tail; |
0 | 3822 settings_file_specified = true; |
3823 } | |
3824 if (match_option(option, "-XX:+PrintVMOptions", &tail)) { | |
3825 PrintVMOptions = true; | |
3826 } | |
253
b0fe4deeb9fb
6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.")
kvn
parents:
196
diff
changeset
|
3827 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
|
3828 PrintVMOptions = false; |
b0fe4deeb9fb
6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.")
kvn
parents:
196
diff
changeset
|
3829 } |
564 | 3830 if (match_option(option, "-XX:+IgnoreUnrecognizedVMOptions", &tail)) { |
3831 IgnoreUnrecognizedVMOptions = true; | |
3832 } | |
3833 if (match_option(option, "-XX:-IgnoreUnrecognizedVMOptions", &tail)) { | |
3834 IgnoreUnrecognizedVMOptions = false; | |
3835 } | |
1150 | 3836 if (match_option(option, "-XX:+PrintFlagsInitial", &tail)) { |
4773 | 3837 CommandLineFlags::printFlags(tty, false); |
1150 | 3838 vm_exit(0); |
3839 } | |
20360 | 3840 #if INCLUDE_NMT |
6197 | 3841 if (match_option(option, "-XX:NativeMemoryTracking", &tail)) { |
20360 | 3842 // The launcher did not setup nmt environment variable properly. |
20395
f5164941749c
8054547: Re-enable warning for incompatible java launcher
zgu
parents:
20388
diff
changeset
|
3843 if (!MemTracker::check_launcher_nmt_support(tail)) { |
f5164941749c
8054547: Re-enable warning for incompatible java launcher
zgu
parents:
20388
diff
changeset
|
3844 warning("Native Memory Tracking did not setup properly, using wrong launcher?"); |
f5164941749c
8054547: Re-enable warning for incompatible java launcher
zgu
parents:
20388
diff
changeset
|
3845 } |
20360 | 3846 |
3847 // Verify if nmt option is valid. | |
3848 if (MemTracker::verify_nmt_option()) { | |
3849 // Late initialization, still in single-threaded mode. | |
3850 if (MemTracker::tracking_level() >= NMT_summary) { | |
3851 MemTracker::init(); | |
3852 } | |
3853 } else { | |
3854 vm_exit_during_initialization("Syntax error, expecting -XX:NativeMemoryTracking=[off|summary|detail]", NULL); | |
3855 } | |
3856 } | |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3857 #endif |
6197 | 3858 |
1768
6ee479178066
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
1745
diff
changeset
|
3859 |
6ee479178066
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
1745
diff
changeset
|
3860 #ifndef PRODUCT |
6ee479178066
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
1745
diff
changeset
|
3861 if (match_option(option, "-XX:+PrintFlagsWithComments", &tail)) { |
4773 | 3862 CommandLineFlags::printFlags(tty, true); |
1768
6ee479178066
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
1745
diff
changeset
|
3863 vm_exit(0); |
6ee479178066
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
1745
diff
changeset
|
3864 } |
6ee479178066
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
1745
diff
changeset
|
3865 #endif |
564 | 3866 } |
3867 | |
3868 if (IgnoreUnrecognizedVMOptions) { | |
3869 // uncast const to modify the flag args->ignoreUnrecognized | |
3870 *(jboolean*)(&args->ignoreUnrecognized) = true; | |
3871 } | |
3872 | |
3873 // Parse specified settings file | |
3874 if (settings_file_specified) { | |
3875 if (!process_settings_file(flags_file, true, args->ignoreUnrecognized)) { | |
3876 return JNI_EINVAL; | |
3877 } | |
6196
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3878 } else { |
6150
1e76463170b3
7110720: Issue with vm config file loadingIssue with vm config file loading
kamg
parents:
4780
diff
changeset
|
3879 #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
|
3880 // Parse default .hotspotrc settings file |
0 | 3881 if (!process_settings_file(".hotspotrc", false, args->ignoreUnrecognized)) { |
3882 return JNI_EINVAL; | |
3883 } | |
6196
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3884 #else |
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3885 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
|
3886 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
|
3887 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
|
3888 } |
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3889 #endif |
0 | 3890 } |
3891 | |
3892 if (PrintVMOptions) { | |
3893 for (index = 0; index < args->nOptions; index++) { | |
3894 const JavaVMOption *option = args->options + index; | |
3895 if (match_option(option, "-XX:", &tail)) { | |
3896 logOption(tail); | |
3897 } | |
3898 } | |
3899 } | |
3900 | |
3901 // Parse JavaVMInitArgs structure passed in, as well as JAVA_TOOL_OPTIONS and _JAVA_OPTIONS | |
3902 jint result = parse_vm_init_args(args); | |
3903 if (result != JNI_OK) { | |
3904 return result; | |
3905 } | |
3906 | |
10270
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3907 // 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
|
3908 SharedArchivePath = get_shared_archive_path(); |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3909 if (SharedArchivePath == NULL) { |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3910 return JNI_ENOMEM; |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3911 } |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3912 |
18096 | 3913 // Set up VerifySharedSpaces |
3914 if (FLAG_IS_DEFAULT(VerifySharedSpaces) && SharedArchiveFile != NULL) { | |
3915 VerifySharedSpaces = true; | |
3916 } | |
3917 | |
6196
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3918 // 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
|
3919 // 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
|
3920 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
|
3921 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
|
3922 "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
|
3923 hotspotrc, hotspotrc); |
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3924 } |
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3925 |
6917
e81fbc04a942
7191817: -XX:+UseSerialGC -XX:+UseLargePages crashes with SIGFPE on MacOS X
coleenp
parents:
6916
diff
changeset
|
3926 #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
|
3927 UNSUPPORTED_OPTION(UseLargePages, "-XX:+UseLargePages"); |
e81fbc04a942
7191817: -XX:+UseSerialGC -XX:+UseLargePages crashes with SIGFPE on MacOS X
coleenp
parents:
6916
diff
changeset
|
3928 #endif |
e81fbc04a942
7191817: -XX:+UseSerialGC -XX:+UseLargePages crashes with SIGFPE on MacOS X
coleenp
parents:
6916
diff
changeset
|
3929 |
8086
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3930 #if INCLUDE_ALL_GCS |
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3931 #if (defined JAVASE_EMBEDDED || defined ARM) |
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3932 UNSUPPORTED_OPTION(UseG1GC, "G1 GC"); |
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3933 #endif |
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3934 #endif |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3935 |
0 | 3936 #ifndef PRODUCT |
3937 if (TraceBytecodesAt != 0) { | |
3938 TraceBytecodes = true; | |
3939 } | |
3940 if (CountCompiledCalls) { | |
3941 if (UseCounterDecay) { | |
3942 warning("UseCounterDecay disabled because CountCalls is set"); | |
3943 UseCounterDecay = false; | |
3944 } | |
3945 } | |
3946 #endif // PRODUCT | |
3947 | |
2416
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3948 // 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
|
3949 if (!JDK_Version::is_gte_jdk17x_version()) { |
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3950 if (EnableInvokeDynamic) { |
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3951 if (!FLAG_IS_DEFAULT(EnableInvokeDynamic)) { |
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3952 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
|
3953 } |
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3954 EnableInvokeDynamic = false; |
710 | 3955 } |
3956 } | |
2416
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3957 |
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3958 if (EnableInvokeDynamic && ScavengeRootsInCode == 0) { |
989
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
932
diff
changeset
|
3959 if (!FLAG_IS_DEFAULT(ScavengeRootsInCode)) { |
2416
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3960 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
|
3961 } |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
932
diff
changeset
|
3962 ScavengeRootsInCode = 1; |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
932
diff
changeset
|
3963 } |
710 | 3964 |
0 | 3965 if (PrintGCDetails) { |
3966 // Turn on -verbose:gc options as well | |
3967 PrintGC = true; | |
3968 } | |
3969 | |
6064
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
3970 if (!JDK_Version::is_gte_jdk18x_version()) { |
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
3971 // 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
|
3972 // true by default in JDK8 and above. |
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
3973 if (FLAG_IS_DEFAULT(PrintGCCause)) { |
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
3974 FLAG_SET_DEFAULT(PrintGCCause, false); |
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
3975 } |
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
3976 } |
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
3977 |
1571
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
3978 // 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
|
3979 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
|
3980 |
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
3981 #if !INCLUDE_ALL_GCS |
1064 | 3982 force_serial_gc(); |
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
3983 #endif // INCLUDE_ALL_GCS |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3984 #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
|
3985 if (DumpSharedSpaces || RequireSharedSpaces) { |
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
3986 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
|
3987 "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
|
3988 return JNI_ERR; |
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
3989 } |
8724
69ffa4ac9e53
8009835: Only produce a warning when -Xshare:auto is explicitly requested
jprovino
parents:
8720
diff
changeset
|
3990 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
|
3991 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
|
3992 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
|
3993 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
|
3994 } |
20375
6e0cb14ce59b
8046070: Class Data Sharing clean up and refactoring
iklam
parents:
20360
diff
changeset
|
3995 no_shared_spaces("CDS Disabled"); |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3996 #endif // INCLUDE_CDS |
0 | 3997 |
12233
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
3998 return JNI_OK; |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
3999 } |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
4000 |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
4001 jint Arguments::apply_ergo() { |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
4002 |
0 | 4003 // Set flags based on ergonomics. |
4004 set_ergonomics_flags(); | |
4005 | |
2362
a2c2eac1ca62
7018056: large pages not always enabled by default
jcoomes
parents:
2302
diff
changeset
|
4006 set_shared_spaces_flags(); |
1135
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1131
diff
changeset
|
4007 |
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
4008 // Check the GC selections again. |
22861
1f60a119863a
8073944: Simplify ArgumentsExt and remove unneeded functionallity
sjohanss
parents:
20783
diff
changeset
|
4009 if (!check_gc_consistency()) { |
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
4010 return JNI_EINVAL; |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
4011 } |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
4012 |
1783 | 4013 if (TieredCompilation) { |
4014 set_tiered_flags(); | |
4015 } else { | |
4016 // Check if the policy is valid. Policies 0 and 1 are valid for non-tiered setup. | |
4017 if (CompilationPolicyChoice >= 2) { | |
4018 vm_exit_during_initialization( | |
4019 "Incompatible compilation policy selected", NULL); | |
4020 } | |
4021 } | |
13074
78da3894b86f
8027593: performance drop with constrained codecache starting with hs25 b111
anoll
parents:
13008
diff
changeset
|
4022 // 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
|
4023 if (FLAG_IS_DEFAULT(NmethodSweepFraction)) { |
78da3894b86f
8027593: performance drop with constrained codecache starting with hs25 b111
anoll
parents:
13008
diff
changeset
|
4024 FLAG_SET_DEFAULT(NmethodSweepFraction, 1 + ReservedCodeCacheSize / (16 * M)); |
78da3894b86f
8027593: performance drop with constrained codecache starting with hs25 b111
anoll
parents:
13008
diff
changeset
|
4025 } |
78da3894b86f
8027593: performance drop with constrained codecache starting with hs25 b111
anoll
parents:
13008
diff
changeset
|
4026 |
1783 | 4027 |
2368
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
4028 // Set heap size based on available physical memory |
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
4029 set_heap_size(); |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
4030 |
20655
b840813adfcc
8065305: Make it possible to extend the G1CollectorPolicy
jwilhelm
parents:
20654
diff
changeset
|
4031 ArgumentsExt::set_gc_specific_flags(); |
0 | 4032 |
12838
85c1ca43713f
8024547: MaxMetaspaceSize should limit the committed memory used by the metaspaces
stefank
parents:
12831
diff
changeset
|
4033 // Initialize Metaspace flags and alignments. |
85c1ca43713f
8024547: MaxMetaspaceSize should limit the committed memory used by the metaspaces
stefank
parents:
12831
diff
changeset
|
4034 Metaspace::ergo_initialize(); |
85c1ca43713f
8024547: MaxMetaspaceSize should limit the committed memory used by the metaspaces
stefank
parents:
12831
diff
changeset
|
4035 |
0 | 4036 // Set bytecode rewriting flags |
4037 set_bytecode_flags(); | |
4038 | |
4039 // Set flags if Aggressive optimization flags (-XX:+AggressiveOpts) enabled. | |
4040 set_aggressive_opts_flags(); | |
4041 | |
2239
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
4042 // Turn off biased locking for locking debug mode flags, |
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
4043 // 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
|
4044 // biased locking. |
2331 | 4045 if (UseHeavyMonitors |
4046 #ifdef COMPILER1 | |
4047 || !UseFastLocking | |
4048 #endif // COMPILER1 | |
4049 ) { | |
2239
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
4050 if (!FLAG_IS_DEFAULT(UseBiasedLocking) && UseBiasedLocking) { |
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
4051 // 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
|
4052 // can't enable biased locking here |
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
4053 warning("Biased Locking is not supported with locking debug flags" |
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
4054 "; ignoring UseBiasedLocking flag." ); |
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
4055 } |
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
4056 UseBiasedLocking = false; |
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
4057 } |
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
4058 |
14420
abe03600372a
8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents:
14412
diff
changeset
|
4059 #ifdef ZERO |
abe03600372a
8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents:
14412
diff
changeset
|
4060 // Clear flags not supported on zero. |
1131 | 4061 FLAG_SET_DEFAULT(ProfileInterpreter, false); |
0 | 4062 FLAG_SET_DEFAULT(UseBiasedLocking, false); |
1131 | 4063 LP64_ONLY(FLAG_SET_DEFAULT(UseCompressedOops, false)); |
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
4064 LP64_ONLY(FLAG_SET_DEFAULT(UseCompressedClassPointers, false)); |
1131 | 4065 #endif // CC_INTERP |
4066 | |
420
a1980da045cc
6462850: generate biased locking code in C2 ideal graph
kvn
parents:
416
diff
changeset
|
4067 #ifdef COMPILER2 |
4777 | 4068 if (!EliminateLocks) { |
4069 EliminateNestedLocks = false; | |
4070 } | |
7473 | 4071 if (!Inline) { |
4072 IncrementalInline = false; | |
4073 } | |
4074 #ifndef PRODUCT | |
4075 if (!IncrementalInline) { | |
4076 AlwaysIncrementalInline = false; | |
4077 } | |
4078 #endif | |
4079 if (IncrementalInline && FLAG_IS_DEFAULT(MaxNodeLimit)) { | |
4080 // incremental inlining: bump MaxNodeLimit | |
4081 FLAG_SET_DEFAULT(MaxNodeLimit, (intx)75000); | |
4082 } | |
12966 | 4083 if (!UseTypeSpeculation && FLAG_IS_DEFAULT(TypeProfileLevel)) { |
4084 // nothing to use the profiling, turn if off | |
4085 FLAG_SET_DEFAULT(TypeProfileLevel, 0); | |
4086 } | |
420
a1980da045cc
6462850: generate biased locking code in C2 ideal graph
kvn
parents:
416
diff
changeset
|
4087 #endif |
a1980da045cc
6462850: generate biased locking code in C2 ideal graph
kvn
parents:
416
diff
changeset
|
4088 |
1155
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1150
diff
changeset
|
4089 if (PrintAssembly && FLAG_IS_DEFAULT(DebugNonSafepoints)) { |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1150
diff
changeset
|
4090 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
|
4091 DebugNonSafepoints = true; |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1150
diff
changeset
|
4092 } |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1150
diff
changeset
|
4093 |
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
4094 if (FLAG_IS_CMDLINE(CompressedClassSpaceSize) && !UseCompressedClassPointers) { |
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
4095 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
|
4096 } |
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
4097 |
1188
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
4098 #ifndef PRODUCT |
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
4099 if (CompileTheWorld) { |
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
4100 // 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
|
4101 if (FLAG_IS_DEFAULT(NmethodSweepFraction)) { |
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
4102 NmethodSweepFraction = 1; |
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
4103 } |
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
4104 } |
12257
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
4105 |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
4106 if (!LogVMOutput && FLAG_IS_DEFAULT(LogVMOutput)) { |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
4107 if (use_vm_log()) { |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
4108 LogVMOutput = true; |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
4109 } |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
4110 } |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
4111 #endif // PRODUCT |
1188
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
4112 |
0 | 4113 if (PrintCommandLineFlags) { |
4773 | 4114 CommandLineFlags::printSetFlags(tty); |
0 | 4115 } |
4116 | |
1681
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
4117 // Apply CPU specific policy for the BiasedLocking |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
4118 if (UseBiasedLocking) { |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
4119 if (!VM_Version::use_biased_locking() && |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
4120 !(FLAG_IS_CMDLINE(UseBiasedLocking))) { |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
4121 UseBiasedLocking = false; |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
4122 } |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
4123 } |
17780 | 4124 #ifdef COMPILER2 |
4125 if (!UseBiasedLocking || EmitSync != 0) { | |
4126 UseOptoBiasInlining = false; | |
4127 } | |
4128 #endif | |
1681
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
4129 |
2302
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
4130 // set PauseAtExit if the gamma launcher was used and a debugger is attached |
da091bb67459
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4131 // but only if not already set on the commandline |
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4132 if (Arguments::created_by_gamma_launcher() && os::is_debugger_attached()) { |
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4133 bool set = false; |
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4134 CommandLineFlags::wasSetOnCmdline("PauseAtExit", &set); |
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4135 if (!set) { |
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4136 FLAG_SET_DEFAULT(PauseAtExit, true); |
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4137 } |
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4138 } |
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4139 |
0 | 4140 return JNI_OK; |
4141 } | |
4142 | |
7177
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4143 jint Arguments::adjust_after_os() { |
20241 | 4144 if (UseNUMA) { |
4145 if (UseParallelGC || UseParallelOldGC) { | |
7177
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4146 if (FLAG_IS_DEFAULT(MinHeapDeltaBytes)) { |
20241 | 4147 FLAG_SET_DEFAULT(MinHeapDeltaBytes, 64*M); |
7177
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4148 } |
20241 | 4149 } |
4150 // UseNUMAInterleaving is set to ON for all collectors and | |
4151 // platforms when UseNUMA is set to ON. NUMA-aware collectors | |
4152 // such as the parallel collector for Linux and Solaris will | |
4153 // interleave old gen and survivor spaces on top of NUMA | |
4154 // allocation policy for the eden space. | |
4155 // Non NUMA-aware collectors such as CMS, G1 and Serial-GC on | |
4156 // all platforms and ParallelGC on Windows will interleave all | |
4157 // of the heap spaces across NUMA nodes. | |
4158 if (FLAG_IS_DEFAULT(UseNUMAInterleaving)) { | |
4159 FLAG_SET_ERGO(bool, UseNUMAInterleaving, true); | |
7177
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4160 } |
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4161 } |
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4162 return JNI_OK; |
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4163 } |
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4164 |
0 | 4165 int Arguments::PropertyList_count(SystemProperty* pl) { |
4166 int count = 0; | |
4167 while(pl != NULL) { | |
4168 count++; | |
4169 pl = pl->next(); | |
4170 } | |
4171 return count; | |
4172 } | |
4173 | |
4174 const char* Arguments::PropertyList_get_value(SystemProperty *pl, const char* key) { | |
4175 assert(key != NULL, "just checking"); | |
4176 SystemProperty* prop; | |
4177 for (prop = pl; prop != NULL; prop = prop->next()) { | |
4178 if (strcmp(key, prop->key()) == 0) return prop->value(); | |
4179 } | |
4180 return NULL; | |
4181 } | |
4182 | |
4183 const char* Arguments::PropertyList_get_key_at(SystemProperty *pl, int index) { | |
4184 int count = 0; | |
4185 const char* ret_val = NULL; | |
4186 | |
4187 while(pl != NULL) { | |
4188 if(count >= index) { | |
4189 ret_val = pl->key(); | |
4190 break; | |
4191 } | |
4192 count++; | |
4193 pl = pl->next(); | |
4194 } | |
4195 | |
4196 return ret_val; | |
4197 } | |
4198 | |
4199 char* Arguments::PropertyList_get_value_at(SystemProperty* pl, int index) { | |
4200 int count = 0; | |
4201 char* ret_val = NULL; | |
4202 | |
4203 while(pl != NULL) { | |
4204 if(count >= index) { | |
4205 ret_val = pl->value(); | |
4206 break; | |
4207 } | |
4208 count++; | |
4209 pl = pl->next(); | |
4210 } | |
4211 | |
4212 return ret_val; | |
4213 } | |
4214 | |
4215 void Arguments::PropertyList_add(SystemProperty** plist, SystemProperty *new_p) { | |
4216 SystemProperty* p = *plist; | |
4217 if (p == NULL) { | |
4218 *plist = new_p; | |
4219 } else { | |
4220 while (p->next() != NULL) { | |
4221 p = p->next(); | |
4222 } | |
4223 p->set_next(new_p); | |
4224 } | |
4225 } | |
4226 | |
4227 void Arguments::PropertyList_add(SystemProperty** plist, const char* k, char* v) { | |
4228 if (plist == NULL) | |
4229 return; | |
4230 | |
4231 SystemProperty* new_p = new SystemProperty(k, v, true); | |
4232 PropertyList_add(plist, new_p); | |
4233 } | |
4234 | |
4235 // This add maintains unique property key in the list. | |
691 | 4236 void Arguments::PropertyList_unique_add(SystemProperty** plist, const char* k, char* v, jboolean append) { |
0 | 4237 if (plist == NULL) |
4238 return; | |
4239 | |
4240 // If property key exist then update with new value. | |
4241 SystemProperty* prop; | |
4242 for (prop = *plist; prop != NULL; prop = prop->next()) { | |
4243 if (strcmp(k, prop->key()) == 0) { | |
691 | 4244 if (append) { |
4245 prop->append_value(v); | |
4246 } else { | |
4247 prop->set_value(v); | |
4248 } | |
0 | 4249 return; |
4250 } | |
4251 } | |
4252 | |
4253 PropertyList_add(plist, k, v); | |
4254 } | |
4255 | |
4256 // Copies src into buf, replacing "%%" with "%" and "%p" with pid | |
4257 // Returns true if all of the source pointed by src has been copied over to | |
4258 // the destination buffer pointed by buf. Otherwise, returns false. | |
4259 // Notes: | |
4260 // 1. If the length (buflen) of the destination buffer excluding the | |
4261 // NULL terminator character is not long enough for holding the expanded | |
4262 // pid characters, it also returns false instead of returning the partially | |
4263 // expanded one. | |
4264 // 2. The passed in "buflen" should be large enough to hold the null terminator. | |
4265 bool Arguments::copy_expand_pid(const char* src, size_t srclen, | |
4266 char* buf, size_t buflen) { | |
4267 const char* p = src; | |
4268 char* b = buf; | |
4269 const char* src_end = &src[srclen]; | |
4270 char* buf_end = &buf[buflen - 1]; | |
4271 | |
4272 while (p < src_end && b < buf_end) { | |
4273 if (*p == '%') { | |
4274 switch (*(++p)) { | |
4275 case '%': // "%%" ==> "%" | |
4276 *b++ = *p++; | |
4277 break; | |
4278 case 'p': { // "%p" ==> current process id | |
4279 // buf_end points to the character before the last character so | |
4280 // that we could write '\0' to the end of the buffer. | |
4281 size_t buf_sz = buf_end - b + 1; | |
4282 int ret = jio_snprintf(b, buf_sz, "%d", os::current_process_id()); | |
4283 | |
4284 // if jio_snprintf fails or the buffer is not long enough to hold | |
4285 // the expanded pid, returns false. | |
4286 if (ret < 0 || ret >= (int)buf_sz) { | |
4287 return false; | |
4288 } else { | |
4289 b += ret; | |
4290 assert(*b == '\0', "fail in copy_expand_pid"); | |
4291 if (p == src_end && b == buf_end + 1) { | |
4292 // reach the end of the buffer. | |
4293 return true; | |
4294 } | |
4295 } | |
4296 p++; | |
4297 break; | |
4298 } | |
4299 default : | |
4300 *b++ = '%'; | |
4301 } | |
4302 } else { | |
4303 *b++ = *p++; | |
4304 } | |
4305 } | |
4306 *b = '\0'; | |
4307 return (p == src_end); // return false if not all of the source was copied | |
4308 } |