Mercurial > hg > truffle
annotate src/share/vm/runtime/arguments.cpp @ 17977:0b9500028980
8029381: assert(is_method_type()) failed: bad cast
Summary: Access to method_type and appendix from constant pool (cpcache) needs to be guarded by is_f1_null() because of racy update/initialization.
Reviewed-by: kvn, coleenp, jrose
author | drchase |
---|---|
date | Mon, 02 Jun 2014 14:32:29 -0400 |
parents | 78bbf4d43a14 |
children | 52b4284cb496 54bc75c144b0 d15367d92f0d |
rev | line source |
---|---|
0 | 1 /* |
17937
78bbf4d43a14
8037816: Fix for 8036122 breaks build with Xcode5/clang
drchase
parents:
17906
diff
changeset
|
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 * | |
1552
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1506
diff
changeset
|
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1506
diff
changeset
|
20 * or visit www.oracle.com if you need additional information or have any |
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1506
diff
changeset
|
21 * questions. |
0 | 22 * |
23 */ | |
24 | |
1972 | 25 #include "precompiled.hpp" |
26 #include "classfile/javaAssertions.hpp" | |
6982
e4f764ddb06a
7122219: Passed StringTableSize value not verified
hseigel
parents:
6928
diff
changeset
|
27 #include "classfile/symbolTable.hpp" |
1972 | 28 #include "compiler/compilerOracle.hpp" |
29 #include "memory/allocation.inline.hpp" | |
30 #include "memory/cardTableRS.hpp" | |
12233
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
31 #include "memory/genCollectedHeap.hpp" |
1972 | 32 #include "memory/referenceProcessor.hpp" |
33 #include "memory/universe.inline.hpp" | |
34 #include "oops/oop.inline.hpp" | |
35 #include "prims/jvmtiExport.hpp" | |
36 #include "runtime/arguments.hpp" | |
37 #include "runtime/globals_extension.hpp" | |
38 #include "runtime/java.hpp" | |
39 #include "services/management.hpp" | |
6197 | 40 #include "services/memTracker.hpp" |
1972 | 41 #include "utilities/defaultStream.hpp" |
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
42 #include "utilities/macros.hpp" |
1972 | 43 #include "utilities/taskqueue.hpp" |
44 #ifdef TARGET_OS_FAMILY_linux | |
45 # include "os_linux.inline.hpp" | |
46 #endif | |
47 #ifdef TARGET_OS_FAMILY_solaris | |
48 # include "os_solaris.inline.hpp" | |
49 #endif | |
50 #ifdef TARGET_OS_FAMILY_windows | |
51 # include "os_windows.inline.hpp" | |
52 #endif | |
14411 | 53 #ifdef TARGET_OS_FAMILY_aix |
54 # include "os_aix.inline.hpp" | |
55 #endif | |
3960 | 56 #ifdef TARGET_OS_FAMILY_bsd |
57 # include "os_bsd.inline.hpp" | |
58 #endif | |
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
59 #if INCLUDE_ALL_GCS |
1972 | 60 #include "gc_implementation/concurrentMarkSweep/compactibleFreeListSpace.hpp" |
12233
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
61 #include "gc_implementation/g1/g1CollectedHeap.inline.hpp" |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
62 #include "gc_implementation/parallelScavenge/parallelScavengeHeap.hpp" |
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
63 #endif // INCLUDE_ALL_GCS |
0 | 64 |
2474 | 65 // Note: This is a special bug reporting site for the JVM |
66 #define DEFAULT_VENDOR_URL_BUG "http://bugreport.sun.com/bugreport/crash.jsp" | |
0 | 67 #define DEFAULT_JAVA_LAUNCHER "generic" |
68 | |
11999
79a5283f4595
8021120: TieredCompilation can be enabled even if TIERED is undefined
iignatyev
parents:
11154
diff
changeset
|
69 // Disable options not supported in this release, with a warning if they |
79a5283f4595
8021120: TieredCompilation can be enabled even if TIERED is undefined
iignatyev
parents:
11154
diff
changeset
|
70 // were explicitly requested on the command-line |
79a5283f4595
8021120: TieredCompilation can be enabled even if TIERED is undefined
iignatyev
parents:
11154
diff
changeset
|
71 #define UNSUPPORTED_OPTION(opt, description) \ |
79a5283f4595
8021120: TieredCompilation can be enabled even if TIERED is undefined
iignatyev
parents:
11154
diff
changeset
|
72 do { \ |
79a5283f4595
8021120: TieredCompilation can be enabled even if TIERED is undefined
iignatyev
parents:
11154
diff
changeset
|
73 if (opt) { \ |
79a5283f4595
8021120: TieredCompilation can be enabled even if TIERED is undefined
iignatyev
parents:
11154
diff
changeset
|
74 if (FLAG_IS_CMDLINE(opt)) { \ |
79a5283f4595
8021120: TieredCompilation can be enabled even if TIERED is undefined
iignatyev
parents:
11154
diff
changeset
|
75 warning(description " is disabled in this release."); \ |
79a5283f4595
8021120: TieredCompilation can be enabled even if TIERED is undefined
iignatyev
parents:
11154
diff
changeset
|
76 } \ |
79a5283f4595
8021120: TieredCompilation can be enabled even if TIERED is undefined
iignatyev
parents:
11154
diff
changeset
|
77 FLAG_SET_DEFAULT(opt, false); \ |
79a5283f4595
8021120: TieredCompilation can be enabled even if TIERED is undefined
iignatyev
parents:
11154
diff
changeset
|
78 } \ |
79a5283f4595
8021120: TieredCompilation can be enabled even if TIERED is undefined
iignatyev
parents:
11154
diff
changeset
|
79 } while(0) |
79a5283f4595
8021120: TieredCompilation can be enabled even if TIERED is undefined
iignatyev
parents:
11154
diff
changeset
|
80 |
79a5283f4595
8021120: TieredCompilation can be enabled even if TIERED is undefined
iignatyev
parents:
11154
diff
changeset
|
81 #define UNSUPPORTED_GC_OPTION(gc) \ |
79a5283f4595
8021120: TieredCompilation can be enabled even if TIERED is undefined
iignatyev
parents:
11154
diff
changeset
|
82 do { \ |
79a5283f4595
8021120: TieredCompilation can be enabled even if TIERED is undefined
iignatyev
parents:
11154
diff
changeset
|
83 if (gc) { \ |
79a5283f4595
8021120: TieredCompilation can be enabled even if TIERED is undefined
iignatyev
parents:
11154
diff
changeset
|
84 if (FLAG_IS_CMDLINE(gc)) { \ |
79a5283f4595
8021120: TieredCompilation can be enabled even if TIERED is undefined
iignatyev
parents:
11154
diff
changeset
|
85 warning(#gc " is not supported in this VM. Using Serial GC."); \ |
79a5283f4595
8021120: TieredCompilation can be enabled even if TIERED is undefined
iignatyev
parents:
11154
diff
changeset
|
86 } \ |
79a5283f4595
8021120: TieredCompilation can be enabled even if TIERED is undefined
iignatyev
parents:
11154
diff
changeset
|
87 FLAG_SET_DEFAULT(gc, false); \ |
79a5283f4595
8021120: TieredCompilation can be enabled even if TIERED is undefined
iignatyev
parents:
11154
diff
changeset
|
88 } \ |
79a5283f4595
8021120: TieredCompilation can be enabled even if TIERED is undefined
iignatyev
parents:
11154
diff
changeset
|
89 } while(0) |
79a5283f4595
8021120: TieredCompilation can be enabled even if TIERED is undefined
iignatyev
parents:
11154
diff
changeset
|
90 |
0 | 91 char** Arguments::_jvm_flags_array = NULL; |
92 int Arguments::_num_jvm_flags = 0; | |
93 char** Arguments::_jvm_args_array = NULL; | |
94 int Arguments::_num_jvm_args = 0; | |
95 char* Arguments::_java_command = NULL; | |
96 SystemProperty* Arguments::_system_properties = NULL; | |
97 const char* Arguments::_gc_log_filename = NULL; | |
98 bool Arguments::_has_profile = false; | |
12233
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
99 size_t Arguments::_conservative_max_heap_alignment = 0; |
0 | 100 uintx Arguments::_min_heap_size = 0; |
101 Arguments::Mode Arguments::_mode = _mixed; | |
102 bool Arguments::_java_compiler = false; | |
103 bool Arguments::_xdebug_mode = false; | |
104 const char* Arguments::_java_vendor_url_bug = DEFAULT_VENDOR_URL_BUG; | |
105 const char* Arguments::_sun_java_launcher = DEFAULT_JAVA_LAUNCHER; | |
106 int Arguments::_sun_java_launcher_pid = -1; | |
2302
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
107 bool Arguments::_created_by_gamma_launcher = false; |
0 | 108 |
109 // These parameters are reset in method parse_vm_init_args(JavaVMInitArgs*) | |
110 bool Arguments::_AlwaysCompileLoopMethods = AlwaysCompileLoopMethods; | |
111 bool Arguments::_UseOnStackReplacement = UseOnStackReplacement; | |
112 bool Arguments::_BackgroundCompilation = BackgroundCompilation; | |
113 bool Arguments::_ClipInlining = ClipInlining; | |
114 | |
115 char* Arguments::SharedArchivePath = NULL; | |
116 | |
117 AgentLibraryList Arguments::_libraryList; | |
118 AgentLibraryList Arguments::_agentList; | |
119 | |
120 abort_hook_t Arguments::_abort_hook = NULL; | |
121 exit_hook_t Arguments::_exit_hook = NULL; | |
122 vfprintf_hook_t Arguments::_vfprintf_hook = NULL; | |
123 | |
124 | |
125 SystemProperty *Arguments::_java_ext_dirs = NULL; | |
126 SystemProperty *Arguments::_java_endorsed_dirs = NULL; | |
127 SystemProperty *Arguments::_sun_boot_library_path = NULL; | |
128 SystemProperty *Arguments::_java_library_path = NULL; | |
129 SystemProperty *Arguments::_java_home = NULL; | |
130 SystemProperty *Arguments::_java_class_path = NULL; | |
131 SystemProperty *Arguments::_sun_boot_class_path = NULL; | |
132 | |
133 char* Arguments::_meta_index_path = NULL; | |
134 char* Arguments::_meta_index_dir = NULL; | |
135 | |
136 // Check if head of 'option' matches 'name', and sets 'tail' remaining part of option string | |
137 | |
138 static bool match_option(const JavaVMOption *option, const char* name, | |
139 const char** tail) { | |
140 int len = (int)strlen(name); | |
141 if (strncmp(option->optionString, name, len) == 0) { | |
142 *tail = option->optionString + len; | |
143 return true; | |
144 } else { | |
145 return false; | |
146 } | |
147 } | |
148 | |
149 static void logOption(const char* opt) { | |
150 if (PrintVMOptions) { | |
151 jio_fprintf(defaultStream::output_stream(), "VM option '%s'\n", opt); | |
152 } | |
153 } | |
154 | |
155 // Process java launcher properties. | |
156 void Arguments::process_sun_java_launcher_properties(JavaVMInitArgs* args) { | |
157 // See if sun.java.launcher or sun.java.launcher.pid is defined. | |
158 // Must do this before setting up other system properties, | |
159 // as some of them may depend on launcher type. | |
160 for (int index = 0; index < args->nOptions; index++) { | |
161 const JavaVMOption* option = args->options + index; | |
162 const char* tail; | |
163 | |
164 if (match_option(option, "-Dsun.java.launcher=", &tail)) { | |
165 process_java_launcher_argument(tail, option->extraInfo); | |
166 continue; | |
167 } | |
168 if (match_option(option, "-Dsun.java.launcher.pid=", &tail)) { | |
169 _sun_java_launcher_pid = atoi(tail); | |
170 continue; | |
171 } | |
172 } | |
173 } | |
174 | |
175 // Initialize system properties key and value. | |
176 void Arguments::init_system_properties() { | |
177 | |
178 PropertyList_add(&_system_properties, new SystemProperty("java.vm.specification.name", | |
179 "Java Virtual Machine Specification", false)); | |
180 PropertyList_add(&_system_properties, new SystemProperty("java.vm.version", VM_Version::vm_release(), false)); | |
181 PropertyList_add(&_system_properties, new SystemProperty("java.vm.name", VM_Version::vm_name(), false)); | |
182 PropertyList_add(&_system_properties, new SystemProperty("java.vm.info", VM_Version::vm_info_string(), true)); | |
183 | |
184 // following are JVMTI agent writeable properties. | |
185 // Properties values are set to NULL and they are | |
186 // os specific they are initialized in os::init_system_properties_values(). | |
187 _java_ext_dirs = new SystemProperty("java.ext.dirs", NULL, true); | |
188 _java_endorsed_dirs = new SystemProperty("java.endorsed.dirs", NULL, true); | |
189 _sun_boot_library_path = new SystemProperty("sun.boot.library.path", NULL, true); | |
190 _java_library_path = new SystemProperty("java.library.path", NULL, true); | |
191 _java_home = new SystemProperty("java.home", NULL, true); | |
192 _sun_boot_class_path = new SystemProperty("sun.boot.class.path", NULL, true); | |
193 | |
194 _java_class_path = new SystemProperty("java.class.path", "", true); | |
195 | |
196 // Add to System Property list. | |
197 PropertyList_add(&_system_properties, _java_ext_dirs); | |
198 PropertyList_add(&_system_properties, _java_endorsed_dirs); | |
199 PropertyList_add(&_system_properties, _sun_boot_library_path); | |
200 PropertyList_add(&_system_properties, _java_library_path); | |
201 PropertyList_add(&_system_properties, _java_home); | |
202 PropertyList_add(&_system_properties, _java_class_path); | |
203 PropertyList_add(&_system_properties, _sun_boot_class_path); | |
204 | |
205 // Set OS specific system properties values | |
206 os::init_system_properties_values(); | |
207 } | |
208 | |
1864
dfb38ea7da17
6988363: Rebrand vm vendor property settings (jdk7 only)
zgu
parents:
1805
diff
changeset
|
209 |
dfb38ea7da17
6988363: Rebrand vm vendor property settings (jdk7 only)
zgu
parents:
1805
diff
changeset
|
210 // Update/Initialize System properties after JDK version number is known |
dfb38ea7da17
6988363: Rebrand vm vendor property settings (jdk7 only)
zgu
parents:
1805
diff
changeset
|
211 void Arguments::init_version_specific_system_properties() { |
1956
35f885165c69
6981737: The java.vm.specification.version property is 1.0, seems like it should be 2.0
kamg
parents:
1875
diff
changeset
|
212 enum { bufsz = 16 }; |
35f885165c69
6981737: The java.vm.specification.version property is 1.0, seems like it should be 2.0
kamg
parents:
1875
diff
changeset
|
213 char buffer[bufsz]; |
35f885165c69
6981737: The java.vm.specification.version property is 1.0, seems like it should be 2.0
kamg
parents:
1875
diff
changeset
|
214 const char* spec_vendor = "Sun Microsystems Inc."; |
35f885165c69
6981737: The java.vm.specification.version property is 1.0, seems like it should be 2.0
kamg
parents:
1875
diff
changeset
|
215 uint32_t spec_version = 0; |
35f885165c69
6981737: The java.vm.specification.version property is 1.0, seems like it should be 2.0
kamg
parents:
1875
diff
changeset
|
216 |
35f885165c69
6981737: The java.vm.specification.version property is 1.0, seems like it should be 2.0
kamg
parents:
1875
diff
changeset
|
217 if (JDK_Version::is_gte_jdk17x_version()) { |
35f885165c69
6981737: The java.vm.specification.version property is 1.0, seems like it should be 2.0
kamg
parents:
1875
diff
changeset
|
218 spec_vendor = "Oracle Corporation"; |
35f885165c69
6981737: The java.vm.specification.version property is 1.0, seems like it should be 2.0
kamg
parents:
1875
diff
changeset
|
219 spec_version = JDK_Version::current().major_version(); |
35f885165c69
6981737: The java.vm.specification.version property is 1.0, seems like it should be 2.0
kamg
parents:
1875
diff
changeset
|
220 } |
35f885165c69
6981737: The java.vm.specification.version property is 1.0, seems like it should be 2.0
kamg
parents:
1875
diff
changeset
|
221 jio_snprintf(buffer, bufsz, "1." UINT32_FORMAT, spec_version); |
35f885165c69
6981737: The java.vm.specification.version property is 1.0, seems like it should be 2.0
kamg
parents:
1875
diff
changeset
|
222 |
35f885165c69
6981737: The java.vm.specification.version property is 1.0, seems like it should be 2.0
kamg
parents:
1875
diff
changeset
|
223 PropertyList_add(&_system_properties, |
35f885165c69
6981737: The java.vm.specification.version property is 1.0, seems like it should be 2.0
kamg
parents:
1875
diff
changeset
|
224 new SystemProperty("java.vm.specification.vendor", spec_vendor, false)); |
35f885165c69
6981737: The java.vm.specification.version property is 1.0, seems like it should be 2.0
kamg
parents:
1875
diff
changeset
|
225 PropertyList_add(&_system_properties, |
35f885165c69
6981737: The java.vm.specification.version property is 1.0, seems like it should be 2.0
kamg
parents:
1875
diff
changeset
|
226 new SystemProperty("java.vm.specification.version", buffer, false)); |
35f885165c69
6981737: The java.vm.specification.version property is 1.0, seems like it should be 2.0
kamg
parents:
1875
diff
changeset
|
227 PropertyList_add(&_system_properties, |
35f885165c69
6981737: The java.vm.specification.version property is 1.0, seems like it should be 2.0
kamg
parents:
1875
diff
changeset
|
228 new SystemProperty("java.vm.vendor", VM_Version::vm_vendor(), false)); |
1864
dfb38ea7da17
6988363: Rebrand vm vendor property settings (jdk7 only)
zgu
parents:
1805
diff
changeset
|
229 } |
dfb38ea7da17
6988363: Rebrand vm vendor property settings (jdk7 only)
zgu
parents:
1805
diff
changeset
|
230 |
242 | 231 /** |
232 * Provide a slightly more user-friendly way of eliminating -XX flags. | |
233 * When a flag is eliminated, it can be added to this list in order to | |
234 * continue accepting this flag on the command-line, while issuing a warning | |
235 * and ignoring the value. Once the JDK version reaches the 'accept_until' | |
236 * limit, we flatly refuse to admit the existence of the flag. This allows | |
237 * a flag to die correctly over JDK releases using HSX. | |
238 */ | |
239 typedef struct { | |
240 const char* name; | |
241 JDK_Version obsoleted_in; // when the flag went away | |
242 JDK_Version accept_until; // which version to start denying the existence | |
243 } ObsoleteFlag; | |
0 | 244 |
242 | 245 static ObsoleteFlag obsolete_jvm_flags[] = { |
246 { "UseTrainGC", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
247 { "UseSpecialLargeObjectHandling", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
248 { "UseOversizedCarHandling", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
249 { "TraceCarAllocation", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
250 { "PrintTrainGCProcessingStats", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
251 { "LogOfCarSpaceSize", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
252 { "OversizedCarThreshold", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
253 { "MinTickInterval", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
254 { "DefaultTickInterval", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
255 { "MaxTickInterval", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
256 { "DelayTickAdjustment", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
257 { "ProcessingToTenuringRatio", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
258 { "MinTrainLength", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
259 { "AppendRatio", JDK_Version::jdk_update(6,10), JDK_Version::jdk(7) }, | |
1064 | 260 { "DefaultMaxRAM", JDK_Version::jdk_update(6,18), JDK_Version::jdk(7) }, |
261 { "DefaultInitialRAMFraction", | |
262 JDK_Version::jdk_update(6,18), JDK_Version::jdk(7) }, | |
1706
9d7a8ab3736b
6962589: remove breadth first scanning code from parallel gc
tonyp
parents:
1628
diff
changeset
|
263 { "UseDepthFirstScavengeOrder", |
9d7a8ab3736b
6962589: remove breadth first scanning code from parallel gc
tonyp
parents:
1628
diff
changeset
|
264 JDK_Version::jdk_update(6,22), JDK_Version::jdk(7) }, |
1888
a7214d79fcf1
6896603: CMS/GCH: collection_attempt_is_safe() ergo should use more recent data
ysr
parents:
1832
diff
changeset
|
265 { "HandlePromotionFailure", |
a7214d79fcf1
6896603: CMS/GCH: collection_attempt_is_safe() ergo should use more recent data
ysr
parents:
1832
diff
changeset
|
266 JDK_Version::jdk_update(6,24), JDK_Version::jdk(8) }, |
a7214d79fcf1
6896603: CMS/GCH: collection_attempt_is_safe() ergo should use more recent data
ysr
parents:
1832
diff
changeset
|
267 { "MaxLiveObjectEvacuationRatio", |
a7214d79fcf1
6896603: CMS/GCH: collection_attempt_is_safe() ergo should use more recent data
ysr
parents:
1832
diff
changeset
|
268 JDK_Version::jdk_update(6,24), JDK_Version::jdk(8) }, |
2362
a2c2eac1ca62
7018056: large pages not always enabled by default
jcoomes
parents:
2302
diff
changeset
|
269 { "ForceSharedSpaces", JDK_Version::jdk_update(6,25), JDK_Version::jdk(8) }, |
3251
eda9eb483d29
6841742: par compact - remove unused/unsupported options
jcoomes
parents:
3250
diff
changeset
|
270 { "UseParallelOldGCCompacting", |
eda9eb483d29
6841742: par compact - remove unused/unsupported options
jcoomes
parents:
3250
diff
changeset
|
271 JDK_Version::jdk_update(6,27), JDK_Version::jdk(8) }, |
eda9eb483d29
6841742: par compact - remove unused/unsupported options
jcoomes
parents:
3250
diff
changeset
|
272 { "UseParallelDensePrefixUpdate", |
eda9eb483d29
6841742: par compact - remove unused/unsupported options
jcoomes
parents:
3250
diff
changeset
|
273 JDK_Version::jdk_update(6,27), JDK_Version::jdk(8) }, |
eda9eb483d29
6841742: par compact - remove unused/unsupported options
jcoomes
parents:
3250
diff
changeset
|
274 { "UseParallelOldGCDensePrefix", |
eda9eb483d29
6841742: par compact - remove unused/unsupported options
jcoomes
parents:
3250
diff
changeset
|
275 JDK_Version::jdk_update(6,27), JDK_Version::jdk(8) }, |
2460 | 276 { "AllowTransitionalJSR292", JDK_Version::jdk(7), JDK_Version::jdk(8) }, |
3797
eb94b7226b7a
7061192: option handling adjustments for oracle and embedded builds
jcoomes
parents:
3769
diff
changeset
|
277 { "UseCompressedStrings", JDK_Version::jdk(7), JDK_Version::jdk(8) }, |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
278 { "CMSPermGenPrecleaningEnabled", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
279 { "CMSTriggerPermRatio", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
280 { "CMSInitiatingPermOccupancyFraction", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
281 { "AdaptivePermSizeWeight", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
282 { "PermGenPadding", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
283 { "PermMarkSweepDeadRatio", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
284 { "PermSize", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
285 { "MaxPermSize", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
286 { "MinPermHeapExpansion", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
287 { "MaxPermHeapExpansion", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
288 { "CMSRevisitStackSize", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
289 { "PrintRevisitStats", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
6916 | 290 { "UseVectoredExceptions", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
8819
36376b540a98
8009595: The UseSplitVerifier option needs to be deprecated.
hseigel
parents:
8746
diff
changeset
|
291 { "UseSplitVerifier", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
11111
dec841e0c9aa
8016749: -XX:+UseISM fails an assert(obj->is_oop()) when running SPECjbb2005
anoll
parents:
11109
diff
changeset
|
292 { "UseISM", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
dec841e0c9aa
8016749: -XX:+UseISM fails an assert(obj->is_oop()) when running SPECjbb2005
anoll
parents:
11109
diff
changeset
|
293 { "UsePermISM", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
dec841e0c9aa
8016749: -XX:+UseISM fails an assert(obj->is_oop()) when running SPECjbb2005
anoll
parents:
11109
diff
changeset
|
294 { "UseMPSS", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
11154
02d7aa1456c9
8004872: Early loading of HashMap and StringValue under -XX:+AggressiveOpts can be removed
ccheung
parents:
11112
diff
changeset
|
295 { "UseStringCache", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
17672 | 296 { "UseOldInlining", JDK_Version::jdk(9), JDK_Version::jdk(10) }, |
3797
eb94b7226b7a
7061192: option handling adjustments for oracle and embedded builds
jcoomes
parents:
3769
diff
changeset
|
297 #ifdef PRODUCT |
eb94b7226b7a
7061192: option handling adjustments for oracle and embedded builds
jcoomes
parents:
3769
diff
changeset
|
298 { "DesiredMethodLimit", |
eb94b7226b7a
7061192: option handling adjustments for oracle and embedded builds
jcoomes
parents:
3769
diff
changeset
|
299 JDK_Version::jdk_update(7, 2), JDK_Version::jdk(8) }, |
eb94b7226b7a
7061192: option handling adjustments for oracle and embedded builds
jcoomes
parents:
3769
diff
changeset
|
300 #endif // PRODUCT |
242 | 301 { NULL, JDK_Version(0), JDK_Version(0) } |
302 }; | |
303 | |
304 // Returns true if the flag is obsolete and fits into the range specified | |
305 // for being ignored. In the case that the flag is ignored, the 'version' | |
306 // value is filled in with the version number when the flag became | |
307 // obsolete so that that value can be displayed to the user. | |
308 bool Arguments::is_newly_obsolete(const char *s, JDK_Version* version) { | |
0 | 309 int i = 0; |
242 | 310 assert(version != NULL, "Must provide a version buffer"); |
311 while (obsolete_jvm_flags[i].name != NULL) { | |
312 const ObsoleteFlag& flag_status = obsolete_jvm_flags[i]; | |
0 | 313 // <flag>=xxx form |
314 // [-|+]<flag> form | |
242 | 315 if ((strncmp(flag_status.name, s, strlen(flag_status.name)) == 0) || |
0 | 316 ((s[0] == '+' || s[0] == '-') && |
242 | 317 (strncmp(flag_status.name, &s[1], strlen(flag_status.name)) == 0))) { |
318 if (JDK_Version::current().compare(flag_status.accept_until) == -1) { | |
319 *version = flag_status.obsoleted_in; | |
320 return true; | |
321 } | |
0 | 322 } |
323 i++; | |
324 } | |
325 return false; | |
326 } | |
327 | |
328 // Constructs the system class path (aka boot class path) from the following | |
329 // components, in order: | |
330 // | |
331 // prefix // from -Xbootclasspath/p:... | |
332 // endorsed // the expansion of -Djava.endorsed.dirs=... | |
333 // base // from os::get_system_properties() or -Xbootclasspath= | |
334 // suffix // from -Xbootclasspath/a:... | |
335 // | |
336 // java.endorsed.dirs is a list of directories; any jar or zip files in the | |
337 // directories are added to the sysclasspath just before the base. | |
338 // | |
339 // This could be AllStatic, but it isn't needed after argument processing is | |
340 // complete. | |
341 class SysClassPath: public StackObj { | |
342 public: | |
343 SysClassPath(const char* base); | |
344 ~SysClassPath(); | |
345 | |
346 inline void set_base(const char* base); | |
347 inline void add_prefix(const char* prefix); | |
531
40ee984935b9
6792705: Add JAR file to bootclasspath when using AggressiveOpts
phh
parents:
513
diff
changeset
|
348 inline void add_suffix_to_prefix(const char* suffix); |
0 | 349 inline void add_suffix(const char* suffix); |
350 inline void reset_path(const char* base); | |
351 | |
352 // Expand the jar/zip files in each directory listed by the java.endorsed.dirs | |
353 // property. Must be called after all command-line arguments have been | |
354 // processed (in particular, -Djava.endorsed.dirs=...) and before calling | |
355 // combined_path(). | |
356 void expand_endorsed(); | |
357 | |
358 inline const char* get_base() const { return _items[_scp_base]; } | |
359 inline const char* get_prefix() const { return _items[_scp_prefix]; } | |
360 inline const char* get_suffix() const { return _items[_scp_suffix]; } | |
361 inline const char* get_endorsed() const { return _items[_scp_endorsed]; } | |
362 | |
363 // Combine all the components into a single c-heap-allocated string; caller | |
364 // must free the string if/when no longer needed. | |
365 char* combined_path(); | |
366 | |
367 private: | |
368 // Utility routines. | |
369 static char* add_to_path(const char* path, const char* str, bool prepend); | |
370 static char* add_jars_to_path(char* path, const char* directory); | |
371 | |
372 inline void reset_item_at(int index); | |
373 | |
374 // Array indices for the items that make up the sysclasspath. All except the | |
375 // base are allocated in the C heap and freed by this class. | |
376 enum { | |
377 _scp_prefix, // from -Xbootclasspath/p:... | |
378 _scp_endorsed, // the expansion of -Djava.endorsed.dirs=... | |
379 _scp_base, // the default sysclasspath | |
380 _scp_suffix, // from -Xbootclasspath/a:... | |
381 _scp_nitems // the number of items, must be last. | |
382 }; | |
383 | |
384 const char* _items[_scp_nitems]; | |
385 DEBUG_ONLY(bool _expansion_done;) | |
386 }; | |
387 | |
388 SysClassPath::SysClassPath(const char* base) { | |
389 memset(_items, 0, sizeof(_items)); | |
390 _items[_scp_base] = base; | |
391 DEBUG_ONLY(_expansion_done = false;) | |
392 } | |
393 | |
394 SysClassPath::~SysClassPath() { | |
395 // Free everything except the base. | |
396 for (int i = 0; i < _scp_nitems; ++i) { | |
397 if (i != _scp_base) reset_item_at(i); | |
398 } | |
399 DEBUG_ONLY(_expansion_done = false;) | |
400 } | |
401 | |
402 inline void SysClassPath::set_base(const char* base) { | |
403 _items[_scp_base] = base; | |
404 } | |
405 | |
406 inline void SysClassPath::add_prefix(const char* prefix) { | |
407 _items[_scp_prefix] = add_to_path(_items[_scp_prefix], prefix, true); | |
408 } | |
409 | |
531
40ee984935b9
6792705: Add JAR file to bootclasspath when using AggressiveOpts
phh
parents:
513
diff
changeset
|
410 inline void SysClassPath::add_suffix_to_prefix(const char* suffix) { |
40ee984935b9
6792705: Add JAR file to bootclasspath when using AggressiveOpts
phh
parents:
513
diff
changeset
|
411 _items[_scp_prefix] = add_to_path(_items[_scp_prefix], suffix, false); |
40ee984935b9
6792705: Add JAR file to bootclasspath when using AggressiveOpts
phh
parents:
513
diff
changeset
|
412 } |
40ee984935b9
6792705: Add JAR file to bootclasspath when using AggressiveOpts
phh
parents:
513
diff
changeset
|
413 |
0 | 414 inline void SysClassPath::add_suffix(const char* suffix) { |
415 _items[_scp_suffix] = add_to_path(_items[_scp_suffix], suffix, false); | |
416 } | |
417 | |
418 inline void SysClassPath::reset_item_at(int index) { | |
419 assert(index < _scp_nitems && index != _scp_base, "just checking"); | |
420 if (_items[index] != NULL) { | |
6197 | 421 FREE_C_HEAP_ARRAY(char, _items[index], mtInternal); |
0 | 422 _items[index] = NULL; |
423 } | |
424 } | |
425 | |
426 inline void SysClassPath::reset_path(const char* base) { | |
427 // Clear the prefix and suffix. | |
428 reset_item_at(_scp_prefix); | |
429 reset_item_at(_scp_suffix); | |
430 set_base(base); | |
431 } | |
432 | |
433 //------------------------------------------------------------------------------ | |
434 | |
435 void SysClassPath::expand_endorsed() { | |
436 assert(_items[_scp_endorsed] == NULL, "can only be called once."); | |
437 | |
438 const char* path = Arguments::get_property("java.endorsed.dirs"); | |
439 if (path == NULL) { | |
440 path = Arguments::get_endorsed_dir(); | |
441 assert(path != NULL, "no default for java.endorsed.dirs"); | |
442 } | |
443 | |
444 char* expanded_path = NULL; | |
445 const char separator = *os::path_separator(); | |
446 const char* const end = path + strlen(path); | |
447 while (path < end) { | |
448 const char* tmp_end = strchr(path, separator); | |
449 if (tmp_end == NULL) { | |
450 expanded_path = add_jars_to_path(expanded_path, path); | |
451 path = end; | |
452 } else { | |
6197 | 453 char* dirpath = NEW_C_HEAP_ARRAY(char, tmp_end - path + 1, mtInternal); |
0 | 454 memcpy(dirpath, path, tmp_end - path); |
455 dirpath[tmp_end - path] = '\0'; | |
456 expanded_path = add_jars_to_path(expanded_path, dirpath); | |
6197 | 457 FREE_C_HEAP_ARRAY(char, dirpath, mtInternal); |
0 | 458 path = tmp_end + 1; |
459 } | |
460 } | |
461 _items[_scp_endorsed] = expanded_path; | |
462 DEBUG_ONLY(_expansion_done = true;) | |
463 } | |
464 | |
465 // Combine the bootclasspath elements, some of which may be null, into a single | |
466 // c-heap-allocated string. | |
467 char* SysClassPath::combined_path() { | |
468 assert(_items[_scp_base] != NULL, "empty default sysclasspath"); | |
469 assert(_expansion_done, "must call expand_endorsed() first."); | |
470 | |
471 size_t lengths[_scp_nitems]; | |
472 size_t total_len = 0; | |
473 | |
474 const char separator = *os::path_separator(); | |
475 | |
476 // Get the lengths. | |
477 int i; | |
478 for (i = 0; i < _scp_nitems; ++i) { | |
479 if (_items[i] != NULL) { | |
480 lengths[i] = strlen(_items[i]); | |
481 // Include space for the separator char (or a NULL for the last item). | |
482 total_len += lengths[i] + 1; | |
483 } | |
484 } | |
485 assert(total_len > 0, "empty sysclasspath not allowed"); | |
486 | |
487 // Copy the _items to a single string. | |
6197 | 488 char* cp = NEW_C_HEAP_ARRAY(char, total_len, mtInternal); |
0 | 489 char* cp_tmp = cp; |
490 for (i = 0; i < _scp_nitems; ++i) { | |
491 if (_items[i] != NULL) { | |
492 memcpy(cp_tmp, _items[i], lengths[i]); | |
493 cp_tmp += lengths[i]; | |
494 *cp_tmp++ = separator; | |
495 } | |
496 } | |
497 *--cp_tmp = '\0'; // Replace the extra separator. | |
498 return cp; | |
499 } | |
500 | |
501 // Note: path must be c-heap-allocated (or NULL); it is freed if non-null. | |
502 char* | |
503 SysClassPath::add_to_path(const char* path, const char* str, bool prepend) { | |
504 char *cp; | |
505 | |
506 assert(str != NULL, "just checking"); | |
507 if (path == NULL) { | |
508 size_t len = strlen(str) + 1; | |
6197 | 509 cp = NEW_C_HEAP_ARRAY(char, len, mtInternal); |
0 | 510 memcpy(cp, str, len); // copy the trailing null |
511 } else { | |
512 const char separator = *os::path_separator(); | |
513 size_t old_len = strlen(path); | |
514 size_t str_len = strlen(str); | |
515 size_t len = old_len + str_len + 2; | |
516 | |
517 if (prepend) { | |
6197 | 518 cp = NEW_C_HEAP_ARRAY(char, len, mtInternal); |
0 | 519 char* cp_tmp = cp; |
520 memcpy(cp_tmp, str, str_len); | |
521 cp_tmp += str_len; | |
522 *cp_tmp = separator; | |
523 memcpy(++cp_tmp, path, old_len + 1); // copy the trailing null | |
6197 | 524 FREE_C_HEAP_ARRAY(char, path, mtInternal); |
0 | 525 } else { |
6197 | 526 cp = REALLOC_C_HEAP_ARRAY(char, path, len, mtInternal); |
0 | 527 char* cp_tmp = cp + old_len; |
528 *cp_tmp = separator; | |
529 memcpy(++cp_tmp, str, str_len + 1); // copy the trailing null | |
530 } | |
531 } | |
532 return cp; | |
533 } | |
534 | |
535 // Scan the directory and append any jar or zip files found to path. | |
536 // Note: path must be c-heap-allocated (or NULL); it is freed if non-null. | |
537 char* SysClassPath::add_jars_to_path(char* path, const char* directory) { | |
538 DIR* dir = os::opendir(directory); | |
539 if (dir == NULL) return path; | |
540 | |
541 char dir_sep[2] = { '\0', '\0' }; | |
542 size_t directory_len = strlen(directory); | |
543 const char fileSep = *os::file_separator(); | |
544 if (directory[directory_len - 1] != fileSep) dir_sep[0] = fileSep; | |
545 | |
546 /* Scan the directory for jars/zips, appending them to path. */ | |
547 struct dirent *entry; | |
6197 | 548 char *dbuf = NEW_C_HEAP_ARRAY(char, os::readdir_buf_size(directory), mtInternal); |
0 | 549 while ((entry = os::readdir(dir, (dirent *) dbuf)) != NULL) { |
550 const char* name = entry->d_name; | |
551 const char* ext = name + strlen(name) - 4; | |
552 bool isJarOrZip = ext > name && | |
553 (os::file_name_strcmp(ext, ".jar") == 0 || | |
554 os::file_name_strcmp(ext, ".zip") == 0); | |
555 if (isJarOrZip) { | |
6197 | 556 char* jarpath = NEW_C_HEAP_ARRAY(char, directory_len + 2 + strlen(name), mtInternal); |
0 | 557 sprintf(jarpath, "%s%s%s", directory, dir_sep, name); |
558 path = add_to_path(path, jarpath, false); | |
6197 | 559 FREE_C_HEAP_ARRAY(char, jarpath, mtInternal); |
0 | 560 } |
561 } | |
6197 | 562 FREE_C_HEAP_ARRAY(char, dbuf, mtInternal); |
0 | 563 os::closedir(dir); |
564 return path; | |
565 } | |
566 | |
567 // Parses a memory size specification string. | |
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
568 static bool atomull(const char *s, julong* result) { |
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
569 julong n = 0; |
7623
203f64878aab
7102489: RFE: cleanup jlong typedef on __APPLE__and _LLP64 systems.
hseigel
parents:
7461
diff
changeset
|
570 int args_read = sscanf(s, JULONG_FORMAT, &n); |
0 | 571 if (args_read != 1) { |
572 return false; | |
573 } | |
574 while (*s != '\0' && isdigit(*s)) { | |
575 s++; | |
576 } | |
577 // 4705540: illegal if more characters are found after the first non-digit | |
578 if (strlen(s) > 1) { | |
579 return false; | |
580 } | |
581 switch (*s) { | |
582 case 'T': case 't': | |
583 *result = n * G * K; | |
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
584 // Check for overflow. |
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
585 if (*result/((julong)G * K) != n) return false; |
0 | 586 return true; |
587 case 'G': case 'g': | |
588 *result = n * G; | |
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
589 if (*result/G != n) return false; |
0 | 590 return true; |
591 case 'M': case 'm': | |
592 *result = n * M; | |
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
593 if (*result/M != n) return false; |
0 | 594 return true; |
595 case 'K': case 'k': | |
596 *result = n * K; | |
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
597 if (*result/K != n) return false; |
0 | 598 return true; |
599 case '\0': | |
600 *result = n; | |
601 return true; | |
602 default: | |
603 return false; | |
604 } | |
605 } | |
606 | |
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
607 Arguments::ArgsRange Arguments::check_memory_size(julong size, julong min_size) { |
0 | 608 if (size < min_size) return arg_too_small; |
609 // Check that size will fit in a size_t (only relevant on 32-bit) | |
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
610 if (size > max_uintx) return arg_too_big; |
0 | 611 return arg_in_range; |
612 } | |
613 | |
614 // Describe an argument out of range error | |
615 void Arguments::describe_range_error(ArgsRange errcode) { | |
616 switch(errcode) { | |
617 case arg_too_big: | |
618 jio_fprintf(defaultStream::error_stream(), | |
619 "The specified size exceeds the maximum " | |
620 "representable size.\n"); | |
621 break; | |
622 case arg_too_small: | |
623 case arg_unreadable: | |
624 case arg_in_range: | |
625 // do nothing for now | |
626 break; | |
627 default: | |
628 ShouldNotReachHere(); | |
629 } | |
630 } | |
631 | |
12322
72b7e96c1922
8024545: make develop and notproduct flag values available in product builds
twisti
parents:
12269
diff
changeset
|
632 static bool set_bool_flag(char* name, bool value, Flag::Flags origin) { |
0 | 633 return CommandLineFlags::boolAtPut(name, &value, origin); |
634 } | |
635 | |
12322
72b7e96c1922
8024545: make develop and notproduct flag values available in product builds
twisti
parents:
12269
diff
changeset
|
636 static bool set_fp_numeric_flag(char* name, char* value, Flag::Flags origin) { |
0 | 637 double v; |
638 if (sscanf(value, "%lf", &v) != 1) { | |
639 return false; | |
640 } | |
641 | |
642 if (CommandLineFlags::doubleAtPut(name, &v, origin)) { | |
643 return true; | |
644 } | |
645 return false; | |
646 } | |
647 | |
12322
72b7e96c1922
8024545: make develop and notproduct flag values available in product builds
twisti
parents:
12269
diff
changeset
|
648 static bool set_numeric_flag(char* name, char* value, Flag::Flags origin) { |
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
649 julong v; |
0 | 650 intx intx_v; |
651 bool is_neg = false; | |
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
652 // Check the sign first since atomull() parses only unsigned values. |
0 | 653 if (*value == '-') { |
654 if (!CommandLineFlags::intxAt(name, &intx_v)) { | |
655 return false; | |
656 } | |
657 value++; | |
658 is_neg = true; | |
659 } | |
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
660 if (!atomull(value, &v)) { |
0 | 661 return false; |
662 } | |
663 intx_v = (intx) v; | |
664 if (is_neg) { | |
665 intx_v = -intx_v; | |
666 } | |
667 if (CommandLineFlags::intxAtPut(name, &intx_v, origin)) { | |
668 return true; | |
669 } | |
670 uintx uintx_v = (uintx) v; | |
671 if (!is_neg && CommandLineFlags::uintxAtPut(name, &uintx_v, origin)) { | |
672 return true; | |
673 } | |
1064 | 674 uint64_t uint64_t_v = (uint64_t) v; |
675 if (!is_neg && CommandLineFlags::uint64_tAtPut(name, &uint64_t_v, origin)) { | |
676 return true; | |
677 } | |
0 | 678 return false; |
679 } | |
680 | |
12322
72b7e96c1922
8024545: make develop and notproduct flag values available in product builds
twisti
parents:
12269
diff
changeset
|
681 static bool set_string_flag(char* name, const char* value, Flag::Flags origin) { |
0 | 682 if (!CommandLineFlags::ccstrAtPut(name, &value, origin)) return false; |
683 // Contract: CommandLineFlags always returns a pointer that needs freeing. | |
6197 | 684 FREE_C_HEAP_ARRAY(char, value, mtInternal); |
0 | 685 return true; |
686 } | |
687 | |
12322
72b7e96c1922
8024545: make develop and notproduct flag values available in product builds
twisti
parents:
12269
diff
changeset
|
688 static bool append_to_string_flag(char* name, const char* new_value, Flag::Flags origin) { |
0 | 689 const char* old_value = ""; |
690 if (!CommandLineFlags::ccstrAt(name, &old_value)) return false; | |
691 size_t old_len = old_value != NULL ? strlen(old_value) : 0; | |
692 size_t new_len = strlen(new_value); | |
693 const char* value; | |
694 char* free_this_too = NULL; | |
695 if (old_len == 0) { | |
696 value = new_value; | |
697 } else if (new_len == 0) { | |
698 value = old_value; | |
699 } else { | |
6197 | 700 char* buf = NEW_C_HEAP_ARRAY(char, old_len + 1 + new_len + 1, mtInternal); |
0 | 701 // each new setting adds another LINE to the switch: |
702 sprintf(buf, "%s\n%s", old_value, new_value); | |
703 value = buf; | |
704 free_this_too = buf; | |
705 } | |
706 (void) CommandLineFlags::ccstrAtPut(name, &value, origin); | |
707 // CommandLineFlags always returns a pointer that needs freeing. | |
6197 | 708 FREE_C_HEAP_ARRAY(char, value, mtInternal); |
0 | 709 if (free_this_too != NULL) { |
710 // CommandLineFlags made its own copy, so I must delete my own temp. buffer. | |
6197 | 711 FREE_C_HEAP_ARRAY(char, free_this_too, mtInternal); |
0 | 712 } |
713 return true; | |
714 } | |
715 | |
12322
72b7e96c1922
8024545: make develop and notproduct flag values available in product builds
twisti
parents:
12269
diff
changeset
|
716 bool Arguments::parse_argument(const char* arg, Flag::Flags origin) { |
0 | 717 |
718 // range of acceptable characters spelled out for portability reasons | |
719 #define NAME_RANGE "[abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_]" | |
720 #define BUFLEN 255 | |
721 char name[BUFLEN+1]; | |
722 char dummy; | |
723 | |
724 if (sscanf(arg, "-%" XSTR(BUFLEN) NAME_RANGE "%c", name, &dummy) == 1) { | |
725 return set_bool_flag(name, false, origin); | |
726 } | |
727 if (sscanf(arg, "+%" XSTR(BUFLEN) NAME_RANGE "%c", name, &dummy) == 1) { | |
728 return set_bool_flag(name, true, origin); | |
729 } | |
730 | |
731 char punct; | |
732 if (sscanf(arg, "%" XSTR(BUFLEN) NAME_RANGE "%c", name, &punct) == 2 && punct == '=') { | |
733 const char* value = strchr(arg, '=') + 1; | |
734 Flag* flag = Flag::find_flag(name, strlen(name)); | |
735 if (flag != NULL && flag->is_ccstr()) { | |
736 if (flag->ccstr_accumulates()) { | |
737 return append_to_string_flag(name, value, origin); | |
738 } else { | |
739 if (value[0] == '\0') { | |
740 value = NULL; | |
741 } | |
742 return set_string_flag(name, value, origin); | |
743 } | |
744 } | |
745 } | |
746 | |
747 if (sscanf(arg, "%" XSTR(BUFLEN) NAME_RANGE ":%c", name, &punct) == 2 && punct == '=') { | |
748 const char* value = strchr(arg, '=') + 1; | |
749 // -XX:Foo:=xxx will reset the string flag to the given value. | |
750 if (value[0] == '\0') { | |
751 value = NULL; | |
752 } | |
753 return set_string_flag(name, value, origin); | |
754 } | |
755 | |
756 #define SIGNED_FP_NUMBER_RANGE "[-0123456789.]" | |
757 #define SIGNED_NUMBER_RANGE "[-0123456789]" | |
758 #define NUMBER_RANGE "[0123456789]" | |
759 char value[BUFLEN + 1]; | |
760 char value2[BUFLEN + 1]; | |
761 if (sscanf(arg, "%" XSTR(BUFLEN) NAME_RANGE "=" "%" XSTR(BUFLEN) SIGNED_NUMBER_RANGE "." "%" XSTR(BUFLEN) NUMBER_RANGE "%c", name, value, value2, &dummy) == 3) { | |
762 // Looks like a floating-point number -- try again with more lenient format string | |
763 if (sscanf(arg, "%" XSTR(BUFLEN) NAME_RANGE "=" "%" XSTR(BUFLEN) SIGNED_FP_NUMBER_RANGE "%c", name, value, &dummy) == 2) { | |
764 return set_fp_numeric_flag(name, value, origin); | |
765 } | |
766 } | |
767 | |
768 #define VALUE_RANGE "[-kmgtKMGT0123456789]" | |
769 if (sscanf(arg, "%" XSTR(BUFLEN) NAME_RANGE "=" "%" XSTR(BUFLEN) VALUE_RANGE "%c", name, value, &dummy) == 2) { | |
770 return set_numeric_flag(name, value, origin); | |
771 } | |
772 | |
773 return false; | |
774 } | |
775 | |
776 void Arguments::add_string(char*** bldarray, int* count, const char* arg) { | |
777 assert(bldarray != NULL, "illegal argument"); | |
778 | |
779 if (arg == NULL) { | |
780 return; | |
781 } | |
782 | |
10238
1d0fba8a2a6d
8013574: PrintMalloc conflicts with the command line parsing
brutisso
parents:
10126
diff
changeset
|
783 int new_count = *count + 1; |
0 | 784 |
785 // expand the array and add arg to the last element | |
786 if (*bldarray == NULL) { | |
10238
1d0fba8a2a6d
8013574: PrintMalloc conflicts with the command line parsing
brutisso
parents:
10126
diff
changeset
|
787 *bldarray = NEW_C_HEAP_ARRAY(char*, new_count, mtInternal); |
0 | 788 } else { |
10238
1d0fba8a2a6d
8013574: PrintMalloc conflicts with the command line parsing
brutisso
parents:
10126
diff
changeset
|
789 *bldarray = REALLOC_C_HEAP_ARRAY(char*, *bldarray, new_count, mtInternal); |
0 | 790 } |
10238
1d0fba8a2a6d
8013574: PrintMalloc conflicts with the command line parsing
brutisso
parents:
10126
diff
changeset
|
791 (*bldarray)[*count] = strdup(arg); |
1d0fba8a2a6d
8013574: PrintMalloc conflicts with the command line parsing
brutisso
parents:
10126
diff
changeset
|
792 *count = new_count; |
0 | 793 } |
794 | |
795 void Arguments::build_jvm_args(const char* arg) { | |
796 add_string(&_jvm_args_array, &_num_jvm_args, arg); | |
797 } | |
798 | |
799 void Arguments::build_jvm_flags(const char* arg) { | |
800 add_string(&_jvm_flags_array, &_num_jvm_flags, arg); | |
801 } | |
802 | |
803 // utility function to return a string that concatenates all | |
804 // strings in a given char** array | |
805 const char* Arguments::build_resource_string(char** args, int count) { | |
806 if (args == NULL || count == 0) { | |
807 return NULL; | |
808 } | |
809 size_t length = strlen(args[0]) + 1; // add 1 for the null terminator | |
810 for (int i = 1; i < count; i++) { | |
811 length += strlen(args[i]) + 1; // add 1 for a space | |
812 } | |
813 char* s = NEW_RESOURCE_ARRAY(char, length); | |
814 strcpy(s, args[0]); | |
815 for (int j = 1; j < count; j++) { | |
816 strcat(s, " "); | |
817 strcat(s, args[j]); | |
818 } | |
819 return (const char*) s; | |
820 } | |
821 | |
822 void Arguments::print_on(outputStream* st) { | |
823 st->print_cr("VM Arguments:"); | |
824 if (num_jvm_flags() > 0) { | |
825 st->print("jvm_flags: "); print_jvm_flags_on(st); | |
826 } | |
827 if (num_jvm_args() > 0) { | |
828 st->print("jvm_args: "); print_jvm_args_on(st); | |
829 } | |
830 st->print_cr("java_command: %s", java_command() ? java_command() : "<unknown>"); | |
6879
8ebcedb7604d
7053130: hs_err file does not record specified CLASSPATH
coleenp
parents:
6878
diff
changeset
|
831 if (_java_class_path != NULL) { |
8ebcedb7604d
7053130: hs_err file does not record specified CLASSPATH
coleenp
parents:
6878
diff
changeset
|
832 char* path = _java_class_path->value(); |
8ebcedb7604d
7053130: hs_err file does not record specified CLASSPATH
coleenp
parents:
6878
diff
changeset
|
833 st->print_cr("java_class_path (initial): %s", strlen(path) == 0 ? "<not set>" : path ); |
8ebcedb7604d
7053130: hs_err file does not record specified CLASSPATH
coleenp
parents:
6878
diff
changeset
|
834 } |
0 | 835 st->print_cr("Launcher Type: %s", _sun_java_launcher); |
836 } | |
837 | |
838 void Arguments::print_jvm_flags_on(outputStream* st) { | |
839 if (_num_jvm_flags > 0) { | |
840 for (int i=0; i < _num_jvm_flags; i++) { | |
841 st->print("%s ", _jvm_flags_array[i]); | |
842 } | |
17937
78bbf4d43a14
8037816: Fix for 8036122 breaks build with Xcode5/clang
drchase
parents:
17906
diff
changeset
|
843 st->cr(); |
0 | 844 } |
845 } | |
846 | |
847 void Arguments::print_jvm_args_on(outputStream* st) { | |
848 if (_num_jvm_args > 0) { | |
849 for (int i=0; i < _num_jvm_args; i++) { | |
850 st->print("%s ", _jvm_args_array[i]); | |
851 } | |
17937
78bbf4d43a14
8037816: Fix for 8036122 breaks build with Xcode5/clang
drchase
parents:
17906
diff
changeset
|
852 st->cr(); |
0 | 853 } |
854 } | |
855 | |
242 | 856 bool Arguments::process_argument(const char* arg, |
12322
72b7e96c1922
8024545: make develop and notproduct flag values available in product builds
twisti
parents:
12269
diff
changeset
|
857 jboolean ignore_unrecognized, Flag::Flags origin) { |
242 | 858 |
859 JDK_Version since = JDK_Version(); | |
0 | 860 |
3250 | 861 if (parse_argument(arg, origin) || ignore_unrecognized) { |
862 return true; | |
0 | 863 } |
3250 | 864 |
7961
baf7fac3167e
8006298: Specifying malformed JFR options (-XX:+FlightRecorderOptions) outputs non-sensical error
hseigel
parents:
7951
diff
changeset
|
865 bool has_plus_minus = (*arg == '+' || *arg == '-'); |
baf7fac3167e
8006298: Specifying malformed JFR options (-XX:+FlightRecorderOptions) outputs non-sensical error
hseigel
parents:
7951
diff
changeset
|
866 const char* const argname = has_plus_minus ? arg + 1 : arg; |
3250 | 867 if (is_newly_obsolete(arg, &since)) { |
868 char version[256]; | |
869 since.to_string(version, sizeof(version)); | |
870 warning("ignoring option %s; support was removed in %s", argname, version); | |
871 return true; | |
872 } | |
873 | |
5947
80fe40862b02
7144328: Improper commandlines for -XX:+-UnlockCommercialFeatures require proper warning/error messages
jmelvin
parents:
5915
diff
changeset
|
874 // For locked flags, report a custom error message if available. |
80fe40862b02
7144328: Improper commandlines for -XX:+-UnlockCommercialFeatures require proper warning/error messages
jmelvin
parents:
5915
diff
changeset
|
875 // Otherwise, report the standard unrecognized VM option. |
80fe40862b02
7144328: Improper commandlines for -XX:+-UnlockCommercialFeatures require proper warning/error messages
jmelvin
parents:
5915
diff
changeset
|
876 |
7961
baf7fac3167e
8006298: Specifying malformed JFR options (-XX:+FlightRecorderOptions) outputs non-sensical error
hseigel
parents:
7951
diff
changeset
|
877 size_t arg_len; |
baf7fac3167e
8006298: Specifying malformed JFR options (-XX:+FlightRecorderOptions) outputs non-sensical error
hseigel
parents:
7951
diff
changeset
|
878 const char* equal_sign = strchr(argname, '='); |
baf7fac3167e
8006298: Specifying malformed JFR options (-XX:+FlightRecorderOptions) outputs non-sensical error
hseigel
parents:
7951
diff
changeset
|
879 if (equal_sign == NULL) { |
baf7fac3167e
8006298: Specifying malformed JFR options (-XX:+FlightRecorderOptions) outputs non-sensical error
hseigel
parents:
7951
diff
changeset
|
880 arg_len = strlen(argname); |
baf7fac3167e
8006298: Specifying malformed JFR options (-XX:+FlightRecorderOptions) outputs non-sensical error
hseigel
parents:
7951
diff
changeset
|
881 } else { |
baf7fac3167e
8006298: Specifying malformed JFR options (-XX:+FlightRecorderOptions) outputs non-sensical error
hseigel
parents:
7951
diff
changeset
|
882 arg_len = equal_sign - argname; |
baf7fac3167e
8006298: Specifying malformed JFR options (-XX:+FlightRecorderOptions) outputs non-sensical error
hseigel
parents:
7951
diff
changeset
|
883 } |
baf7fac3167e
8006298: Specifying malformed JFR options (-XX:+FlightRecorderOptions) outputs non-sensical error
hseigel
parents:
7951
diff
changeset
|
884 |
17667
cd7a42c7be06
8027314: Java should recognize Diagnostic options if -XX:+UnlockDiagnosticVMOptions is not specified and print an informative message
ccheung
parents:
17648
diff
changeset
|
885 Flag* found_flag = Flag::find_flag((const char*)argname, arg_len, true, true); |
7961
baf7fac3167e
8006298: Specifying malformed JFR options (-XX:+FlightRecorderOptions) outputs non-sensical error
hseigel
parents:
7951
diff
changeset
|
886 if (found_flag != NULL) { |
5947
80fe40862b02
7144328: Improper commandlines for -XX:+-UnlockCommercialFeatures require proper warning/error messages
jmelvin
parents:
5915
diff
changeset
|
887 char locked_message_buf[BUFLEN]; |
7961
baf7fac3167e
8006298: Specifying malformed JFR options (-XX:+FlightRecorderOptions) outputs non-sensical error
hseigel
parents:
7951
diff
changeset
|
888 found_flag->get_locked_message(locked_message_buf, BUFLEN); |
5947
80fe40862b02
7144328: Improper commandlines for -XX:+-UnlockCommercialFeatures require proper warning/error messages
jmelvin
parents:
5915
diff
changeset
|
889 if (strlen(locked_message_buf) == 0) { |
7961
baf7fac3167e
8006298: Specifying malformed JFR options (-XX:+FlightRecorderOptions) outputs non-sensical error
hseigel
parents:
7951
diff
changeset
|
890 if (found_flag->is_bool() && !has_plus_minus) { |
baf7fac3167e
8006298: Specifying malformed JFR options (-XX:+FlightRecorderOptions) outputs non-sensical error
hseigel
parents:
7951
diff
changeset
|
891 jio_fprintf(defaultStream::error_stream(), |
baf7fac3167e
8006298: Specifying malformed JFR options (-XX:+FlightRecorderOptions) outputs non-sensical error
hseigel
parents:
7951
diff
changeset
|
892 "Missing +/- setting for VM option '%s'\n", argname); |
baf7fac3167e
8006298: Specifying malformed JFR options (-XX:+FlightRecorderOptions) outputs non-sensical error
hseigel
parents:
7951
diff
changeset
|
893 } else if (!found_flag->is_bool() && has_plus_minus) { |
baf7fac3167e
8006298: Specifying malformed JFR options (-XX:+FlightRecorderOptions) outputs non-sensical error
hseigel
parents:
7951
diff
changeset
|
894 jio_fprintf(defaultStream::error_stream(), |
baf7fac3167e
8006298: Specifying malformed JFR options (-XX:+FlightRecorderOptions) outputs non-sensical error
hseigel
parents:
7951
diff
changeset
|
895 "Unexpected +/- setting in VM option '%s'\n", argname); |
baf7fac3167e
8006298: Specifying malformed JFR options (-XX:+FlightRecorderOptions) outputs non-sensical error
hseigel
parents:
7951
diff
changeset
|
896 } else { |
baf7fac3167e
8006298: Specifying malformed JFR options (-XX:+FlightRecorderOptions) outputs non-sensical error
hseigel
parents:
7951
diff
changeset
|
897 jio_fprintf(defaultStream::error_stream(), |
baf7fac3167e
8006298: Specifying malformed JFR options (-XX:+FlightRecorderOptions) outputs non-sensical error
hseigel
parents:
7951
diff
changeset
|
898 "Improperly specified VM option '%s'\n", argname); |
baf7fac3167e
8006298: Specifying malformed JFR options (-XX:+FlightRecorderOptions) outputs non-sensical error
hseigel
parents:
7951
diff
changeset
|
899 } |
5947
80fe40862b02
7144328: Improper commandlines for -XX:+-UnlockCommercialFeatures require proper warning/error messages
jmelvin
parents:
5915
diff
changeset
|
900 } else { |
80fe40862b02
7144328: Improper commandlines for -XX:+-UnlockCommercialFeatures require proper warning/error messages
jmelvin
parents:
5915
diff
changeset
|
901 jio_fprintf(defaultStream::error_stream(), "%s", locked_message_buf); |
80fe40862b02
7144328: Improper commandlines for -XX:+-UnlockCommercialFeatures require proper warning/error messages
jmelvin
parents:
5915
diff
changeset
|
902 } |
6017 | 903 } else { |
904 jio_fprintf(defaultStream::error_stream(), | |
905 "Unrecognized VM option '%s'\n", argname); | |
11070 | 906 Flag* fuzzy_matched = Flag::fuzzy_match((const char*)argname, arg_len, true); |
907 if (fuzzy_matched != NULL) { | |
908 jio_fprintf(defaultStream::error_stream(), | |
909 "Did you mean '%s%s%s'?\n", | |
910 (fuzzy_matched->is_bool()) ? "(+/-)" : "", | |
12322
72b7e96c1922
8024545: make develop and notproduct flag values available in product builds
twisti
parents:
12269
diff
changeset
|
911 fuzzy_matched->_name, |
11070 | 912 (fuzzy_matched->is_bool()) ? "" : "=<value>"); |
913 } | |
5947
80fe40862b02
7144328: Improper commandlines for -XX:+-UnlockCommercialFeatures require proper warning/error messages
jmelvin
parents:
5915
diff
changeset
|
914 } |
80fe40862b02
7144328: Improper commandlines for -XX:+-UnlockCommercialFeatures require proper warning/error messages
jmelvin
parents:
5915
diff
changeset
|
915 |
3250 | 916 // allow for commandline "commenting out" options like -XX:#+Verbose |
917 return arg[0] == '#'; | |
0 | 918 } |
919 | |
920 bool Arguments::process_settings_file(const char* file_name, bool should_exist, jboolean ignore_unrecognized) { | |
921 FILE* stream = fopen(file_name, "rb"); | |
922 if (stream == NULL) { | |
923 if (should_exist) { | |
924 jio_fprintf(defaultStream::error_stream(), | |
925 "Could not open settings file %s\n", file_name); | |
926 return false; | |
927 } else { | |
928 return true; | |
929 } | |
930 } | |
931 | |
932 char token[1024]; | |
933 int pos = 0; | |
934 | |
935 bool in_white_space = true; | |
936 bool in_comment = false; | |
937 bool in_quote = false; | |
938 char quote_c = 0; | |
939 bool result = true; | |
940 | |
941 int c = getc(stream); | |
6901 | 942 while(c != EOF && pos < (int)(sizeof(token)-1)) { |
0 | 943 if (in_white_space) { |
944 if (in_comment) { | |
945 if (c == '\n') in_comment = false; | |
946 } else { | |
947 if (c == '#') in_comment = true; | |
948 else if (!isspace(c)) { | |
949 in_white_space = false; | |
950 token[pos++] = c; | |
951 } | |
952 } | |
953 } else { | |
954 if (c == '\n' || (!in_quote && isspace(c))) { | |
955 // token ends at newline, or at unquoted whitespace | |
956 // this allows a way to include spaces in string-valued options | |
957 token[pos] = '\0'; | |
958 logOption(token); | |
12322
72b7e96c1922
8024545: make develop and notproduct flag values available in product builds
twisti
parents:
12269
diff
changeset
|
959 result &= process_argument(token, ignore_unrecognized, Flag::CONFIG_FILE); |
0 | 960 build_jvm_flags(token); |
961 pos = 0; | |
962 in_white_space = true; | |
963 in_quote = false; | |
964 } else if (!in_quote && (c == '\'' || c == '"')) { | |
965 in_quote = true; | |
966 quote_c = c; | |
967 } else if (in_quote && (c == quote_c)) { | |
968 in_quote = false; | |
969 } else { | |
970 token[pos++] = c; | |
971 } | |
972 } | |
973 c = getc(stream); | |
974 } | |
975 if (pos > 0) { | |
976 token[pos] = '\0'; | |
12322
72b7e96c1922
8024545: make develop and notproduct flag values available in product builds
twisti
parents:
12269
diff
changeset
|
977 result &= process_argument(token, ignore_unrecognized, Flag::CONFIG_FILE); |
0 | 978 build_jvm_flags(token); |
979 } | |
980 fclose(stream); | |
981 return result; | |
982 } | |
983 | |
984 //============================================================================================================= | |
985 // Parsing of properties (-D) | |
986 | |
987 const char* Arguments::get_property(const char* key) { | |
988 return PropertyList_get_value(system_properties(), key); | |
989 } | |
990 | |
991 bool Arguments::add_property(const char* prop) { | |
992 const char* eq = strchr(prop, '='); | |
993 char* key; | |
994 // ns must be static--its address may be stored in a SystemProperty object. | |
995 const static char ns[1] = {0}; | |
996 char* value = (char *)ns; | |
997 | |
998 size_t key_len = (eq == NULL) ? strlen(prop) : (eq - prop); | |
6197 | 999 key = AllocateHeap(key_len + 1, mtInternal); |
0 | 1000 strncpy(key, prop, key_len); |
1001 key[key_len] = '\0'; | |
1002 | |
1003 if (eq != NULL) { | |
1004 size_t value_len = strlen(prop) - key_len - 1; | |
6197 | 1005 value = AllocateHeap(value_len + 1, mtInternal); |
0 | 1006 strncpy(value, &prop[key_len + 1], value_len + 1); |
1007 } | |
1008 | |
1009 if (strcmp(key, "java.compiler") == 0) { | |
1010 process_java_compiler_argument(value); | |
1011 FreeHeap(key); | |
1012 if (eq != NULL) { | |
1013 FreeHeap(value); | |
1014 } | |
1015 return true; | |
691 | 1016 } else if (strcmp(key, "sun.java.command") == 0) { |
0 | 1017 _java_command = value; |
1018 | |
2129
8f8dfba37802
6994753: Implement optional hook to a Java method at VM startup.
kevinw
parents:
2095
diff
changeset
|
1019 // Record value in Arguments, but let it get passed to Java. |
691 | 1020 } else if (strcmp(key, "sun.java.launcher.pid") == 0) { |
0 | 1021 // launcher.pid property is private and is processed |
1022 // in process_sun_java_launcher_properties(); | |
1023 // the sun.java.launcher property is passed on to the java application | |
1024 FreeHeap(key); | |
1025 if (eq != NULL) { | |
1026 FreeHeap(value); | |
1027 } | |
1028 return true; | |
691 | 1029 } else if (strcmp(key, "java.vendor.url.bug") == 0) { |
0 | 1030 // save it in _java_vendor_url_bug, so JVM fatal error handler can access |
1031 // its value without going through the property list or making a Java call. | |
1032 _java_vendor_url_bug = value; | |
691 | 1033 } else if (strcmp(key, "sun.boot.library.path") == 0) { |
1034 PropertyList_unique_add(&_system_properties, key, value, true); | |
1035 return true; | |
0 | 1036 } |
1037 // Create new property and add at the end of the list | |
1038 PropertyList_unique_add(&_system_properties, key, value); | |
1039 return true; | |
1040 } | |
1041 | |
1042 //=========================================================================================================== | |
1043 // Setting int/mixed/comp mode flags | |
1044 | |
1045 void Arguments::set_mode_flags(Mode mode) { | |
1046 // Set up default values for all flags. | |
1047 // If you add a flag to any of the branches below, | |
1048 // add a default value for it here. | |
1049 set_java_compiler(false); | |
1050 _mode = mode; | |
1051 | |
1052 // Ensure Agent_OnLoad has the correct initial values. | |
1053 // This may not be the final mode; mode may change later in onload phase. | |
1054 PropertyList_unique_add(&_system_properties, "java.vm.info", | |
3326
6c978a541c03
7036267: c2/arm: mark version number as experimental and disable on unsupported platforms
dholmes
parents:
3261
diff
changeset
|
1055 (char*)VM_Version::vm_info_string(), false); |
0 | 1056 |
1057 UseInterpreter = true; | |
1058 UseCompiler = true; | |
1059 UseLoopCounter = true; | |
1060 | |
2458
98c560260039
7034513: enable fast accessors and empty methods for ZERO and -Xint
never
parents:
2416
diff
changeset
|
1061 #ifndef ZERO |
98c560260039
7034513: enable fast accessors and empty methods for ZERO and -Xint
never
parents:
2416
diff
changeset
|
1062 // Turn these off for mixed and comp. Leave them on for Zero. |
98c560260039
7034513: enable fast accessors and empty methods for ZERO and -Xint
never
parents:
2416
diff
changeset
|
1063 if (FLAG_IS_DEFAULT(UseFastAccessorMethods)) { |
3341
e9b8ef09622a
7041582: set_mode_flags isn't called without -Xmixed specified
never
parents:
3261
diff
changeset
|
1064 UseFastAccessorMethods = (mode == _int); |
2458
98c560260039
7034513: enable fast accessors and empty methods for ZERO and -Xint
never
parents:
2416
diff
changeset
|
1065 } |
98c560260039
7034513: enable fast accessors and empty methods for ZERO and -Xint
never
parents:
2416
diff
changeset
|
1066 if (FLAG_IS_DEFAULT(UseFastEmptyMethods)) { |
3341
e9b8ef09622a
7041582: set_mode_flags isn't called without -Xmixed specified
never
parents:
3261
diff
changeset
|
1067 UseFastEmptyMethods = (mode == _int); |
2458
98c560260039
7034513: enable fast accessors and empty methods for ZERO and -Xint
never
parents:
2416
diff
changeset
|
1068 } |
98c560260039
7034513: enable fast accessors and empty methods for ZERO and -Xint
never
parents:
2416
diff
changeset
|
1069 #endif |
98c560260039
7034513: enable fast accessors and empty methods for ZERO and -Xint
never
parents:
2416
diff
changeset
|
1070 |
0 | 1071 // Default values may be platform/compiler dependent - |
1072 // use the saved values | |
1073 ClipInlining = Arguments::_ClipInlining; | |
1074 AlwaysCompileLoopMethods = Arguments::_AlwaysCompileLoopMethods; | |
1075 UseOnStackReplacement = Arguments::_UseOnStackReplacement; | |
1076 BackgroundCompilation = Arguments::_BackgroundCompilation; | |
1077 | |
1078 // Change from defaults based on mode | |
1079 switch (mode) { | |
1080 default: | |
1081 ShouldNotReachHere(); | |
1082 break; | |
1083 case _int: | |
1084 UseCompiler = false; | |
1085 UseLoopCounter = false; | |
1086 AlwaysCompileLoopMethods = false; | |
1087 UseOnStackReplacement = false; | |
1088 break; | |
1089 case _mixed: | |
1090 // same as default | |
1091 break; | |
1092 case _comp: | |
1093 UseInterpreter = false; | |
1094 BackgroundCompilation = false; | |
1095 ClipInlining = false; | |
4758
d725f0affb1a
7121111: -server -Xcomp -XX:+TieredCompilation does not invoke C2 compiler
iveresov
parents:
4111
diff
changeset
|
1096 // Be much more aggressive in tiered mode with -Xcomp and exercise C2 more. |
d725f0affb1a
7121111: -server -Xcomp -XX:+TieredCompilation does not invoke C2 compiler
iveresov
parents:
4111
diff
changeset
|
1097 // We will first compile a level 3 version (C1 with full profiling), then do one invocation of it and |
d725f0affb1a
7121111: -server -Xcomp -XX:+TieredCompilation does not invoke C2 compiler
iveresov
parents:
4111
diff
changeset
|
1098 // compile a level 4 (C2) and then continue executing it. |
d725f0affb1a
7121111: -server -Xcomp -XX:+TieredCompilation does not invoke C2 compiler
iveresov
parents:
4111
diff
changeset
|
1099 if (TieredCompilation) { |
d725f0affb1a
7121111: -server -Xcomp -XX:+TieredCompilation does not invoke C2 compiler
iveresov
parents:
4111
diff
changeset
|
1100 Tier3InvokeNotifyFreqLog = 0; |
d725f0affb1a
7121111: -server -Xcomp -XX:+TieredCompilation does not invoke C2 compiler
iveresov
parents:
4111
diff
changeset
|
1101 Tier4InvocationThreshold = 0; |
d725f0affb1a
7121111: -server -Xcomp -XX:+TieredCompilation does not invoke C2 compiler
iveresov
parents:
4111
diff
changeset
|
1102 } |
0 | 1103 break; |
1104 } | |
1105 } | |
1106 | |
12280
9ed97b511b26
8024517: runtime/CDSCompressedKPtrs/XShareAuto.java failed with RuntimeException
hseigel
parents:
12276
diff
changeset
|
1107 #if defined(COMPILER2) || defined(_LP64) || !INCLUDE_CDS |
0 | 1108 // Conflict: required to use shared spaces (-Xshare:on), but |
1109 // incompatible command line options were chosen. | |
1110 | |
1111 static void no_shared_spaces() { | |
1112 if (RequireSharedSpaces) { | |
1113 jio_fprintf(defaultStream::error_stream(), | |
1114 "Class data sharing is inconsistent with other specified options.\n"); | |
1115 vm_exit_during_initialization("Unable to use shared archive.", NULL); | |
1116 } else { | |
1117 FLAG_SET_DEFAULT(UseSharedSpaces, false); | |
1118 } | |
1119 } | |
12280
9ed97b511b26
8024517: runtime/CDSCompressedKPtrs/XShareAuto.java failed with RuntimeException
hseigel
parents:
12276
diff
changeset
|
1120 #endif |
0 | 1121 |
1783 | 1122 void Arguments::set_tiered_flags() { |
2348
5d8f5a6dced7
7020403: Add AdvancedCompilationPolicy for tiered
iveresov
parents:
2325
diff
changeset
|
1123 // With tiered, set default policy to AdvancedThresholdPolicy, which is 3. |
1783 | 1124 if (FLAG_IS_DEFAULT(CompilationPolicyChoice)) { |
2348
5d8f5a6dced7
7020403: Add AdvancedCompilationPolicy for tiered
iveresov
parents:
2325
diff
changeset
|
1125 FLAG_SET_DEFAULT(CompilationPolicyChoice, 3); |
1783 | 1126 } |
1127 if (CompilationPolicyChoice < 2) { | |
1128 vm_exit_during_initialization( | |
1129 "Incompatible compilation policy selected", NULL); | |
1130 } | |
1891
9de67bf4244d
6996136: VM crash in src/share/vm/runtime/virtualspace.cpp:424
iveresov
parents:
1890
diff
changeset
|
1131 // Increase the code cache size - tiered compiles a lot more. |
1783 | 1132 if (FLAG_IS_DEFAULT(ReservedCodeCacheSize)) { |
8043
309460dcedf7
8006851: When TieredCompilation is set, max code cache should be bumped to 256mb
morris
parents:
8003
diff
changeset
|
1133 FLAG_SET_DEFAULT(ReservedCodeCacheSize, ReservedCodeCacheSize * 5); |
1783 | 1134 } |
10278 | 1135 if (!UseInterpreter) { // -Xcomp |
1136 Tier3InvokeNotifyFreqLog = 0; | |
1137 Tier4InvocationThreshold = 0; | |
1138 } | |
1783 | 1139 } |
1140 | |
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
1141 #if INCLUDE_ALL_GCS |
4838 | 1142 static void disable_adaptive_size_policy(const char* collector_name) { |
1143 if (UseAdaptiveSizePolicy) { | |
1144 if (FLAG_IS_CMDLINE(UseAdaptiveSizePolicy)) { | |
1145 warning("disabling UseAdaptiveSizePolicy; it is incompatible with %s.", | |
1146 collector_name); | |
1147 } | |
1148 FLAG_SET_DEFAULT(UseAdaptiveSizePolicy, false); | |
1149 } | |
1150 } | |
1151 | |
0 | 1152 void Arguments::set_parnew_gc_flags() { |
1064 | 1153 assert(!UseSerialGC && !UseParallelOldGC && !UseParallelGC && !UseG1GC, |
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
1154 "control point invariant"); |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
1155 assert(UseParNewGC, "Error"); |
0 | 1156 |
4838 | 1157 // Turn off AdaptiveSizePolicy for parnew until it is complete. |
1158 disable_adaptive_size_policy("UseParNewGC"); | |
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1159 |
7451
ca0a78017dc7
8005396: Use ParNew with only one thread instead of DefNew as default for CMS on single CPU machines
brutisso
parents:
7397
diff
changeset
|
1160 if (FLAG_IS_DEFAULT(ParallelGCThreads)) { |
ca0a78017dc7
8005396: Use ParNew with only one thread instead of DefNew as default for CMS on single CPU machines
brutisso
parents:
7397
diff
changeset
|
1161 FLAG_SET_DEFAULT(ParallelGCThreads, Abstract_VM_Version::parallel_worker_threads()); |
ca0a78017dc7
8005396: Use ParNew with only one thread instead of DefNew as default for CMS on single CPU machines
brutisso
parents:
7397
diff
changeset
|
1162 assert(ParallelGCThreads > 0, "We should always have at least one thread by default"); |
ca0a78017dc7
8005396: Use ParNew with only one thread instead of DefNew as default for CMS on single CPU machines
brutisso
parents:
7397
diff
changeset
|
1163 } else if (ParallelGCThreads == 0) { |
ca0a78017dc7
8005396: Use ParNew with only one thread instead of DefNew as default for CMS on single CPU machines
brutisso
parents:
7397
diff
changeset
|
1164 jio_fprintf(defaultStream::error_stream(), |
ca0a78017dc7
8005396: Use ParNew with only one thread instead of DefNew as default for CMS on single CPU machines
brutisso
parents:
7397
diff
changeset
|
1165 "The ParNew GC can not be combined with -XX:ParallelGCThreads=0\n"); |
ca0a78017dc7
8005396: Use ParNew with only one thread instead of DefNew as default for CMS on single CPU machines
brutisso
parents:
7397
diff
changeset
|
1166 vm_exit(1); |
ca0a78017dc7
8005396: Use ParNew with only one thread instead of DefNew as default for CMS on single CPU machines
brutisso
parents:
7397
diff
changeset
|
1167 } |
ca0a78017dc7
8005396: Use ParNew with only one thread instead of DefNew as default for CMS on single CPU machines
brutisso
parents:
7397
diff
changeset
|
1168 |
ca0a78017dc7
8005396: Use ParNew with only one thread instead of DefNew as default for CMS on single CPU machines
brutisso
parents:
7397
diff
changeset
|
1169 // By default YoungPLABSize and OldPLABSize are set to 4096 and 1024 respectively, |
ca0a78017dc7
8005396: Use ParNew with only one thread instead of DefNew as default for CMS on single CPU machines
brutisso
parents:
7397
diff
changeset
|
1170 // these settings are default for Parallel Scavenger. For ParNew+Tenured configuration |
ca0a78017dc7
8005396: Use ParNew with only one thread instead of DefNew as default for CMS on single CPU machines
brutisso
parents:
7397
diff
changeset
|
1171 // we set them to 1024 and 1024. |
ca0a78017dc7
8005396: Use ParNew with only one thread instead of DefNew as default for CMS on single CPU machines
brutisso
parents:
7397
diff
changeset
|
1172 // See CR 6362902. |
ca0a78017dc7
8005396: Use ParNew with only one thread instead of DefNew as default for CMS on single CPU machines
brutisso
parents:
7397
diff
changeset
|
1173 if (FLAG_IS_DEFAULT(YoungPLABSize)) { |
ca0a78017dc7
8005396: Use ParNew with only one thread instead of DefNew as default for CMS on single CPU machines
brutisso
parents:
7397
diff
changeset
|
1174 FLAG_SET_DEFAULT(YoungPLABSize, (intx)1024); |
0 | 1175 } |
7451
ca0a78017dc7
8005396: Use ParNew with only one thread instead of DefNew as default for CMS on single CPU machines
brutisso
parents:
7397
diff
changeset
|
1176 if (FLAG_IS_DEFAULT(OldPLABSize)) { |
ca0a78017dc7
8005396: Use ParNew with only one thread instead of DefNew as default for CMS on single CPU machines
brutisso
parents:
7397
diff
changeset
|
1177 FLAG_SET_DEFAULT(OldPLABSize, (intx)1024); |
ca0a78017dc7
8005396: Use ParNew with only one thread instead of DefNew as default for CMS on single CPU machines
brutisso
parents:
7397
diff
changeset
|
1178 } |
ca0a78017dc7
8005396: Use ParNew with only one thread instead of DefNew as default for CMS on single CPU machines
brutisso
parents:
7397
diff
changeset
|
1179 |
ca0a78017dc7
8005396: Use ParNew with only one thread instead of DefNew as default for CMS on single CPU machines
brutisso
parents:
7397
diff
changeset
|
1180 // AlwaysTenure flag should make ParNew promote all at first collection. |
ca0a78017dc7
8005396: Use ParNew with only one thread instead of DefNew as default for CMS on single CPU machines
brutisso
parents:
7397
diff
changeset
|
1181 // See CR 6362902. |
ca0a78017dc7
8005396: Use ParNew with only one thread instead of DefNew as default for CMS on single CPU machines
brutisso
parents:
7397
diff
changeset
|
1182 if (AlwaysTenure) { |
ca0a78017dc7
8005396: Use ParNew with only one thread instead of DefNew as default for CMS on single CPU machines
brutisso
parents:
7397
diff
changeset
|
1183 FLAG_SET_CMDLINE(uintx, MaxTenuringThreshold, 0); |
ca0a78017dc7
8005396: Use ParNew with only one thread instead of DefNew as default for CMS on single CPU machines
brutisso
parents:
7397
diff
changeset
|
1184 } |
ca0a78017dc7
8005396: Use ParNew with only one thread instead of DefNew as default for CMS on single CPU machines
brutisso
parents:
7397
diff
changeset
|
1185 // When using compressed oops, we use local overflow stacks, |
ca0a78017dc7
8005396: Use ParNew with only one thread instead of DefNew as default for CMS on single CPU machines
brutisso
parents:
7397
diff
changeset
|
1186 // rather than using a global overflow list chained through |
ca0a78017dc7
8005396: Use ParNew with only one thread instead of DefNew as default for CMS on single CPU machines
brutisso
parents:
7397
diff
changeset
|
1187 // the klass word of the object's pre-image. |
ca0a78017dc7
8005396: Use ParNew with only one thread instead of DefNew as default for CMS on single CPU machines
brutisso
parents:
7397
diff
changeset
|
1188 if (UseCompressedOops && !ParGCUseLocalOverflow) { |
ca0a78017dc7
8005396: Use ParNew with only one thread instead of DefNew as default for CMS on single CPU machines
brutisso
parents:
7397
diff
changeset
|
1189 if (!FLAG_IS_DEFAULT(ParGCUseLocalOverflow)) { |
ca0a78017dc7
8005396: Use ParNew with only one thread instead of DefNew as default for CMS on single CPU machines
brutisso
parents:
7397
diff
changeset
|
1190 warning("Forcing +ParGCUseLocalOverflow: needed if using compressed references"); |
0 | 1191 } |
7451
ca0a78017dc7
8005396: Use ParNew with only one thread instead of DefNew as default for CMS on single CPU machines
brutisso
parents:
7397
diff
changeset
|
1192 FLAG_SET_DEFAULT(ParGCUseLocalOverflow, true); |
0 | 1193 } |
7451
ca0a78017dc7
8005396: Use ParNew with only one thread instead of DefNew as default for CMS on single CPU machines
brutisso
parents:
7397
diff
changeset
|
1194 assert(ParGCUseLocalOverflow || !UseCompressedOops, "Error"); |
0 | 1195 } |
1196 | |
1197 // Adjust some sizes to suit CMS and/or ParNew needs; these work well on | |
1198 // sparc/solaris for certain applications, but would gain from | |
1199 // further optimization and tuning efforts, and would almost | |
1200 // certainly gain from analysis of platform and environment. | |
1201 void Arguments::set_cms_and_parnew_gc_flags() { | |
1064 | 1202 assert(!UseSerialGC && !UseParallelOldGC && !UseParallelGC, "Error"); |
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1203 assert(UseConcMarkSweepGC, "CMS is expected to be on here"); |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1204 |
0 | 1205 // If we are using CMS, we prefer to UseParNewGC, |
1206 // unless explicitly forbidden. | |
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
1207 if (FLAG_IS_DEFAULT(UseParNewGC)) { |
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1208 FLAG_SET_ERGO(bool, UseParNewGC, true); |
0 | 1209 } |
1210 | |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
1211 // Turn off AdaptiveSizePolicy by default for cms until it is complete. |
4838 | 1212 disable_adaptive_size_policy("UseConcMarkSweepGC"); |
0 | 1213 |
1214 // In either case, adjust ParallelGCThreads and/or UseParNewGC | |
1215 // as needed. | |
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1216 if (UseParNewGC) { |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1217 set_parnew_gc_flags(); |
0 | 1218 } |
1219 | |
2368
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
1220 size_t max_heap = align_size_down(MaxHeapSize, |
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
1221 CardTableRS::ct_max_alignment_constraint()); |
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
1222 |
0 | 1223 // Now make adjustments for CMS |
2368
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
1224 intx tenuring_default = (intx)6; |
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
1225 size_t young_gen_per_worker = CMSYoungGenPerWorker; |
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
1226 |
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
1227 // Preferred young gen size for "short" pauses: |
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
1228 // upper bound depends on # of threads and NewRatio. |
0 | 1229 const uintx parallel_gc_threads = |
1230 (ParallelGCThreads == 0 ? 1 : ParallelGCThreads); | |
1231 const size_t preferred_max_new_size_unaligned = | |
2368
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
1232 MIN2(max_heap/(NewRatio+1), ScaleForWordSize(young_gen_per_worker * parallel_gc_threads)); |
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
1233 size_t preferred_max_new_size = |
0 | 1234 align_size_up(preferred_max_new_size_unaligned, os::vm_page_size()); |
1235 | |
1236 // Unless explicitly requested otherwise, size young gen | |
2368
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
1237 // for "short" pauses ~ CMSYoungGenPerWorker*ParallelGCThreads |
886
061cd4d965fc
6862534: -XX:NewRatio completely ignored when combined with -XX:+UseConcMarkSweepG
jmasa
parents:
845
diff
changeset
|
1238 |
061cd4d965fc
6862534: -XX:NewRatio completely ignored when combined with -XX:+UseConcMarkSweepG
jmasa
parents:
845
diff
changeset
|
1239 // If either MaxNewSize or NewRatio is set on the command line, |
061cd4d965fc
6862534: -XX:NewRatio completely ignored when combined with -XX:+UseConcMarkSweepG
jmasa
parents:
845
diff
changeset
|
1240 // assume the user is trying to set the size of the young gen. |
061cd4d965fc
6862534: -XX:NewRatio completely ignored when combined with -XX:+UseConcMarkSweepG
jmasa
parents:
845
diff
changeset
|
1241 if (FLAG_IS_DEFAULT(MaxNewSize) && FLAG_IS_DEFAULT(NewRatio)) { |
061cd4d965fc
6862534: -XX:NewRatio completely ignored when combined with -XX:+UseConcMarkSweepG
jmasa
parents:
845
diff
changeset
|
1242 |
061cd4d965fc
6862534: -XX:NewRatio completely ignored when combined with -XX:+UseConcMarkSweepG
jmasa
parents:
845
diff
changeset
|
1243 // Set MaxNewSize to our calculated preferred_max_new_size unless |
061cd4d965fc
6862534: -XX:NewRatio completely ignored when combined with -XX:+UseConcMarkSweepG
jmasa
parents:
845
diff
changeset
|
1244 // NewSize was set on the command line and it is larger than |
061cd4d965fc
6862534: -XX:NewRatio completely ignored when combined with -XX:+UseConcMarkSweepG
jmasa
parents:
845
diff
changeset
|
1245 // preferred_max_new_size. |
0 | 1246 if (!FLAG_IS_DEFAULT(NewSize)) { // NewSize explicitly set at command-line |
13
183f41cf8bfe
6557851: CMS: ergonomics defaults are not set with FLAG_SET_ERGO
jmasa
parents:
10
diff
changeset
|
1247 FLAG_SET_ERGO(uintx, MaxNewSize, MAX2(NewSize, preferred_max_new_size)); |
0 | 1248 } else { |
13
183f41cf8bfe
6557851: CMS: ergonomics defaults are not set with FLAG_SET_ERGO
jmasa
parents:
10
diff
changeset
|
1249 FLAG_SET_ERGO(uintx, MaxNewSize, preferred_max_new_size); |
0 | 1250 } |
1064 | 1251 if (PrintGCDetails && Verbose) { |
13
183f41cf8bfe
6557851: CMS: ergonomics defaults are not set with FLAG_SET_ERGO
jmasa
parents:
10
diff
changeset
|
1252 // Too early to use gclog_or_tty |
2368
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
1253 tty->print_cr("CMS ergo set MaxNewSize: " SIZE_FORMAT, MaxNewSize); |
886
061cd4d965fc
6862534: -XX:NewRatio completely ignored when combined with -XX:+UseConcMarkSweepG
jmasa
parents:
845
diff
changeset
|
1254 } |
061cd4d965fc
6862534: -XX:NewRatio completely ignored when combined with -XX:+UseConcMarkSweepG
jmasa
parents:
845
diff
changeset
|
1255 |
061cd4d965fc
6862534: -XX:NewRatio completely ignored when combined with -XX:+UseConcMarkSweepG
jmasa
parents:
845
diff
changeset
|
1256 // Code along this path potentially sets NewSize and OldSize |
1064 | 1257 if (PrintGCDetails && Verbose) { |
13
183f41cf8bfe
6557851: CMS: ergonomics defaults are not set with FLAG_SET_ERGO
jmasa
parents:
10
diff
changeset
|
1258 // Too early to use gclog_or_tty |
183f41cf8bfe
6557851: CMS: ergonomics defaults are not set with FLAG_SET_ERGO
jmasa
parents:
10
diff
changeset
|
1259 tty->print_cr("CMS set min_heap_size: " SIZE_FORMAT |
183f41cf8bfe
6557851: CMS: ergonomics defaults are not set with FLAG_SET_ERGO
jmasa
parents:
10
diff
changeset
|
1260 " initial_heap_size: " SIZE_FORMAT |
183f41cf8bfe
6557851: CMS: ergonomics defaults are not set with FLAG_SET_ERGO
jmasa
parents:
10
diff
changeset
|
1261 " max_heap: " SIZE_FORMAT, |
1064 | 1262 min_heap_size(), InitialHeapSize, max_heap); |
13
183f41cf8bfe
6557851: CMS: ergonomics defaults are not set with FLAG_SET_ERGO
jmasa
parents:
10
diff
changeset
|
1263 } |
2368
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
1264 size_t min_new = preferred_max_new_size; |
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
1265 if (FLAG_IS_CMDLINE(NewSize)) { |
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
1266 min_new = NewSize; |
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
1267 } |
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
1268 if (max_heap > min_new && min_heap_size() > min_new) { |
0 | 1269 // Unless explicitly requested otherwise, make young gen |
1270 // at least min_new, and at most preferred_max_new_size. | |
1271 if (FLAG_IS_DEFAULT(NewSize)) { | |
13
183f41cf8bfe
6557851: CMS: ergonomics defaults are not set with FLAG_SET_ERGO
jmasa
parents:
10
diff
changeset
|
1272 FLAG_SET_ERGO(uintx, NewSize, MAX2(NewSize, min_new)); |
183f41cf8bfe
6557851: CMS: ergonomics defaults are not set with FLAG_SET_ERGO
jmasa
parents:
10
diff
changeset
|
1273 FLAG_SET_ERGO(uintx, NewSize, MIN2(preferred_max_new_size, NewSize)); |
1064 | 1274 if (PrintGCDetails && Verbose) { |
13
183f41cf8bfe
6557851: CMS: ergonomics defaults are not set with FLAG_SET_ERGO
jmasa
parents:
10
diff
changeset
|
1275 // Too early to use gclog_or_tty |
2368
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
1276 tty->print_cr("CMS ergo set NewSize: " SIZE_FORMAT, NewSize); |
13
183f41cf8bfe
6557851: CMS: ergonomics defaults are not set with FLAG_SET_ERGO
jmasa
parents:
10
diff
changeset
|
1277 } |
0 | 1278 } |
1279 // Unless explicitly requested otherwise, size old gen | |
2368
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
1280 // so it's NewRatio x of NewSize. |
0 | 1281 if (FLAG_IS_DEFAULT(OldSize)) { |
1282 if (max_heap > NewSize) { | |
2368
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
1283 FLAG_SET_ERGO(uintx, OldSize, MIN2(NewRatio*NewSize, max_heap - NewSize)); |
1064 | 1284 if (PrintGCDetails && Verbose) { |
13
183f41cf8bfe
6557851: CMS: ergonomics defaults are not set with FLAG_SET_ERGO
jmasa
parents:
10
diff
changeset
|
1285 // Too early to use gclog_or_tty |
2368
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
1286 tty->print_cr("CMS ergo set OldSize: " SIZE_FORMAT, OldSize); |
13
183f41cf8bfe
6557851: CMS: ergonomics defaults are not set with FLAG_SET_ERGO
jmasa
parents:
10
diff
changeset
|
1287 } |
0 | 1288 } |
1289 } | |
1290 } | |
1291 } | |
1292 // Unless explicitly requested otherwise, definitely | |
1293 // promote all objects surviving "tenuring_default" scavenges. | |
1294 if (FLAG_IS_DEFAULT(MaxTenuringThreshold) && | |
1295 FLAG_IS_DEFAULT(SurvivorRatio)) { | |
6818 | 1296 FLAG_SET_ERGO(uintx, MaxTenuringThreshold, tenuring_default); |
0 | 1297 } |
1298 // If we decided above (or user explicitly requested) | |
1299 // `promote all' (via MaxTenuringThreshold := 0), | |
1300 // prefer minuscule survivor spaces so as not to waste | |
1301 // space for (non-existent) survivors | |
1302 if (FLAG_IS_DEFAULT(SurvivorRatio) && MaxTenuringThreshold == 0) { | |
8035 | 1303 FLAG_SET_ERGO(uintx, SurvivorRatio, MAX2((uintx)1024, SurvivorRatio)); |
0 | 1304 } |
1305 // If OldPLABSize is set and CMSParPromoteBlocksToClaim is not, | |
1306 // set CMSParPromoteBlocksToClaim equal to OldPLABSize. | |
1307 // This is done in order to make ParNew+CMS configuration to work | |
1308 // with YoungPLABSize and OldPLABSize options. | |
1309 // See CR 6362902. | |
1310 if (!FLAG_IS_DEFAULT(OldPLABSize)) { | |
1311 if (FLAG_IS_DEFAULT(CMSParPromoteBlocksToClaim)) { | |
13
183f41cf8bfe
6557851: CMS: ergonomics defaults are not set with FLAG_SET_ERGO
jmasa
parents:
10
diff
changeset
|
1312 // OldPLABSize is not the default value but CMSParPromoteBlocksToClaim |
183f41cf8bfe
6557851: CMS: ergonomics defaults are not set with FLAG_SET_ERGO
jmasa
parents:
10
diff
changeset
|
1313 // is. In this situtation let CMSParPromoteBlocksToClaim follow |
183f41cf8bfe
6557851: CMS: ergonomics defaults are not set with FLAG_SET_ERGO
jmasa
parents:
10
diff
changeset
|
1314 // the value (either from the command line or ergonomics) of |
183f41cf8bfe
6557851: CMS: ergonomics defaults are not set with FLAG_SET_ERGO
jmasa
parents:
10
diff
changeset
|
1315 // OldPLABSize. Following OldPLABSize is an ergonomics decision. |
183f41cf8bfe
6557851: CMS: ergonomics defaults are not set with FLAG_SET_ERGO
jmasa
parents:
10
diff
changeset
|
1316 FLAG_SET_ERGO(uintx, CMSParPromoteBlocksToClaim, OldPLABSize); |
1145
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
1317 } else { |
0 | 1318 // OldPLABSize and CMSParPromoteBlocksToClaim are both set. |
1319 // CMSParPromoteBlocksToClaim is a collector-specific flag, so | |
1320 // we'll let it to take precedence. | |
1321 jio_fprintf(defaultStream::error_stream(), | |
886
061cd4d965fc
6862534: -XX:NewRatio completely ignored when combined with -XX:+UseConcMarkSweepG
jmasa
parents:
845
diff
changeset
|
1322 "Both OldPLABSize and CMSParPromoteBlocksToClaim" |
061cd4d965fc
6862534: -XX:NewRatio completely ignored when combined with -XX:+UseConcMarkSweepG
jmasa
parents:
845
diff
changeset
|
1323 " options are specified for the CMS collector." |
061cd4d965fc
6862534: -XX:NewRatio completely ignored when combined with -XX:+UseConcMarkSweepG
jmasa
parents:
845
diff
changeset
|
1324 " CMSParPromoteBlocksToClaim will take precedence.\n"); |
0 | 1325 } |
1326 } | |
1145
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
1327 if (!FLAG_IS_DEFAULT(ResizeOldPLAB) && !ResizeOldPLAB) { |
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
1328 // OldPLAB sizing manually turned off: Use a larger default setting, |
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
1329 // unless it was manually specified. This is because a too-low value |
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
1330 // will slow down scavenges. |
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
1331 if (FLAG_IS_DEFAULT(CMSParPromoteBlocksToClaim)) { |
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
1332 FLAG_SET_ERGO(uintx, CMSParPromoteBlocksToClaim, 50); // default value before 6631166 |
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
1333 } |
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
1334 } |
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
1335 // Overwrite OldPLABSize which is the variable we will internally use everywhere. |
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
1336 FLAG_SET_ERGO(uintx, OldPLABSize, CMSParPromoteBlocksToClaim); |
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
1337 // If either of the static initialization defaults have changed, note this |
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
1338 // modification. |
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
1339 if (!FLAG_IS_DEFAULT(CMSParPromoteBlocksToClaim) || !FLAG_IS_DEFAULT(OldPLABWeight)) { |
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
1340 CFLS_LAB::modify_initialization(OldPLABSize, OldPLABWeight); |
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
1341 } |
1284 | 1342 if (PrintGCDetails && Verbose) { |
1343 tty->print_cr("MarkStackSize: %uk MarkStackSizeMax: %uk", | |
17937
78bbf4d43a14
8037816: Fix for 8036122 breaks build with Xcode5/clang
drchase
parents:
17906
diff
changeset
|
1344 (unsigned int) (MarkStackSize / K), (uint) (MarkStackSizeMax / K)); |
78bbf4d43a14
8037816: Fix for 8036122 breaks build with Xcode5/clang
drchase
parents:
17906
diff
changeset
|
1345 tty->print_cr("ConcGCThreads: %u", (uint) ConcGCThreads); |
1284 | 1346 } |
0 | 1347 } |
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
1348 #endif // INCLUDE_ALL_GCS |
0 | 1349 |
1571
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
1350 void 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
|
1351 // Object alignment. |
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
1352 assert(is_power_of_2(ObjectAlignmentInBytes), "ObjectAlignmentInBytes must be power of 2"); |
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
1353 MinObjAlignmentInBytes = ObjectAlignmentInBytes; |
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
1354 assert(MinObjAlignmentInBytes >= HeapWordsPerLong * HeapWordSize, "ObjectAlignmentInBytes value is too small"); |
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
1355 MinObjAlignment = MinObjAlignmentInBytes / HeapWordSize; |
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
1356 assert(MinObjAlignmentInBytes == MinObjAlignment * HeapWordSize, "ObjectAlignmentInBytes value is incorrect"); |
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
1357 MinObjAlignmentInBytesMask = MinObjAlignmentInBytes - 1; |
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
1358 |
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
1359 LogMinObjAlignmentInBytes = exact_log2(ObjectAlignmentInBytes); |
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
1360 LogMinObjAlignment = LogMinObjAlignmentInBytes - LogHeapWordSize; |
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
1361 |
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
1362 // Oop encoding heap max |
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
1363 OopEncodingHeapMax = (uint64_t(max_juint) + 1) << LogMinObjAlignmentInBytes; |
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
1364 |
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
1365 #if INCLUDE_ALL_GCS |
1571
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
1366 // Set CMS global values |
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
1367 CompactibleFreeListSpace::set_cms_values(); |
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
1368 #endif // INCLUDE_ALL_GCS |
1571
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
1369 } |
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
1370 |
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
1371 bool verify_object_alignment() { |
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
1372 // Object alignment. |
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
1373 if (!is_power_of_2(ObjectAlignmentInBytes)) { |
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
1374 jio_fprintf(defaultStream::error_stream(), |
1829
fe08403130db
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
1796
diff
changeset
|
1375 "error: ObjectAlignmentInBytes=%d must be power of 2\n", |
fe08403130db
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
1796
diff
changeset
|
1376 (int)ObjectAlignmentInBytes); |
1571
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
1377 return false; |
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
1378 } |
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
1379 if ((int)ObjectAlignmentInBytes < BytesPerLong) { |
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
1380 jio_fprintf(defaultStream::error_stream(), |
1829
fe08403130db
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
1796
diff
changeset
|
1381 "error: ObjectAlignmentInBytes=%d must be greater or equal %d\n", |
fe08403130db
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
1796
diff
changeset
|
1382 (int)ObjectAlignmentInBytes, BytesPerLong); |
fe08403130db
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
1796
diff
changeset
|
1383 return false; |
fe08403130db
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
1796
diff
changeset
|
1384 } |
fe08403130db
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
1796
diff
changeset
|
1385 // It does not make sense to have big object alignment |
fe08403130db
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
1796
diff
changeset
|
1386 // since a space lost due to alignment will be greater |
fe08403130db
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
1796
diff
changeset
|
1387 // then a saved space from compressed oops. |
fe08403130db
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
1796
diff
changeset
|
1388 if ((int)ObjectAlignmentInBytes > 256) { |
fe08403130db
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
1796
diff
changeset
|
1389 jio_fprintf(defaultStream::error_stream(), |
7461
561148896559
8005076: Creating a CDS archive with one alignment and running another causes a crash.
hseigel
parents:
7458
diff
changeset
|
1390 "error: ObjectAlignmentInBytes=%d must not be greater than 256\n", |
1829
fe08403130db
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
1796
diff
changeset
|
1391 (int)ObjectAlignmentInBytes); |
fe08403130db
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
1796
diff
changeset
|
1392 return false; |
fe08403130db
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
1796
diff
changeset
|
1393 } |
fe08403130db
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
1796
diff
changeset
|
1394 // In case page size is very small. |
fe08403130db
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
1796
diff
changeset
|
1395 if ((int)ObjectAlignmentInBytes >= os::vm_page_size()) { |
fe08403130db
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
1796
diff
changeset
|
1396 jio_fprintf(defaultStream::error_stream(), |
7461
561148896559
8005076: Creating a CDS archive with one alignment and running another causes a crash.
hseigel
parents:
7458
diff
changeset
|
1397 "error: ObjectAlignmentInBytes=%d must be less than page size %d\n", |
1829
fe08403130db
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
1796
diff
changeset
|
1398 (int)ObjectAlignmentInBytes, os::vm_page_size()); |
1571
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
1399 return false; |
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
1400 } |
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
1401 return true; |
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
1402 } |
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
1403 |
12233
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
1404 uintx Arguments::max_heap_for_compressed_oops() { |
1963 | 1405 // Avoid sign flip. |
12056
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1406 assert(OopEncodingHeapMax > (uint64_t)os::vm_page_size(), "Unusual page size"); |
12233
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
1407 // We need to fit both the NULL page and the heap into the memory budget, while |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
1408 // keeping alignment constraints of the heap. To guarantee the latter, as the |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
1409 // NULL page is located before the heap, we pad the NULL page to the conservative |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
1410 // maximum alignment that the GC may ever impose upon the heap. |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
1411 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
|
1412 _conservative_max_heap_alignment); |
12233
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
1413 |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
1414 LP64_ONLY(return OopEncodingHeapMax - displacement_due_to_null_page); |
1064 | 1415 NOT_LP64(ShouldNotReachHere(); return 0); |
135
b7268662a986
6689523: max heap calculation for compressed oops is off by MaxPermSize
coleenp
parents:
113
diff
changeset
|
1416 } |
b7268662a986
6689523: max heap calculation for compressed oops is off by MaxPermSize
coleenp
parents:
113
diff
changeset
|
1417 |
0 | 1418 bool Arguments::should_auto_select_low_pause_collector() { |
1419 if (UseAutoGCSelectPolicy && | |
1420 !FLAG_IS_DEFAULT(MaxGCPauseMillis) && | |
1421 (MaxGCPauseMillis <= AutoGCSelectPauseMillis)) { | |
1422 if (PrintGCDetails) { | |
1423 // Cannot use gclog_or_tty yet. | |
1424 tty->print_cr("Automatic selection of the low pause collector" | |
17937
78bbf4d43a14
8037816: Fix for 8036122 breaks build with Xcode5/clang
drchase
parents:
17906
diff
changeset
|
1425 " based on pause goal of %d (ms)", (int) MaxGCPauseMillis); |
0 | 1426 } |
1427 return true; | |
1428 } | |
1429 return false; | |
1430 } | |
1431 | |
8741
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1432 void Arguments::set_use_compressed_oops() { |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1433 #ifndef ZERO |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1434 #ifdef _LP64 |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1435 // MaxHeapSize is not set up properly at this point, but |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1436 // the only value that can override MaxHeapSize if we are |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1437 // to use UseCompressedOops is InitialHeapSize. |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1438 size_t max_heap_size = MAX2(MaxHeapSize, InitialHeapSize); |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1439 |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1440 if (max_heap_size <= max_heap_for_compressed_oops()) { |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1441 #if !defined(COMPILER1) || defined(TIERED) |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1442 if (FLAG_IS_DEFAULT(UseCompressedOops)) { |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1443 FLAG_SET_ERGO(bool, UseCompressedOops, true); |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1444 } |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1445 #endif |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1446 #ifdef _WIN64 |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1447 if (UseLargePages && UseCompressedOops) { |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1448 // Cannot allocate guard pages for implicit checks in indexed addressing |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1449 // mode, when large pages are specified on windows. |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1450 // This flag could be switched ON if narrow oop base address is set to 0, |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1451 // see code in Universe::initialize_heap(). |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1452 Universe::set_narrow_oop_use_implicit_null_checks(false); |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1453 } |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1454 #endif // _WIN64 |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1455 } else { |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1456 if (UseCompressedOops && !FLAG_IS_DEFAULT(UseCompressedOops)) { |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1457 warning("Max heap size too large for Compressed Oops"); |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1458 FLAG_SET_DEFAULT(UseCompressedOops, false); |
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
1459 FLAG_SET_DEFAULT(UseCompressedClassPointers, false); |
8741
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1460 } |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1461 } |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1462 #endif // _LP64 |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1463 #endif // ZERO |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1464 } |
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1465 |
12056
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1466 |
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1467 // NOTE: set_use_compressed_klass_ptrs() must be called after calling |
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1468 // set_use_compressed_oops(). |
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1469 void Arguments::set_use_compressed_klass_ptrs() { |
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1470 #ifndef ZERO |
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1471 #ifdef _LP64 |
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
1472 // UseCompressedOops must be on for UseCompressedClassPointers to be on. |
12056
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1473 if (!UseCompressedOops) { |
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
1474 if (UseCompressedClassPointers) { |
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
1475 warning("UseCompressedClassPointers requires UseCompressedOops"); |
12056
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1476 } |
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
1477 FLAG_SET_DEFAULT(UseCompressedClassPointers, false); |
12056
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1478 } else { |
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
1479 // Turn on UseCompressedClassPointers too |
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
1480 if (FLAG_IS_DEFAULT(UseCompressedClassPointers)) { |
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
1481 FLAG_SET_ERGO(bool, UseCompressedClassPointers, true); |
12056
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1482 } |
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
1483 // 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
|
1484 if (UseCompressedClassPointers) { |
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
1485 if (CompressedClassSpaceSize > KlassEncodingMetaspaceMax) { |
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
1486 warning("CompressedClassSpaceSize is too large for UseCompressedClassPointers"); |
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
1487 FLAG_SET_DEFAULT(UseCompressedClassPointers, false); |
12056
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1488 } |
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1489 } |
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1490 } |
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1491 #endif // _LP64 |
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1492 #endif // !ZERO |
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1493 } |
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1494 |
12233
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
1495 void Arguments::set_conservative_max_heap_alignment() { |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
1496 // The conservative maximum required alignment for the heap is the maximum of |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
1497 // the alignments imposed by several sources: any requirements from the heap |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
1498 // 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
parents:
12226
diff
changeset
|
1499 // with. |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
1500 size_t heap_alignment = GenCollectedHeap::conservative_max_heap_alignment(); |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
1501 #if INCLUDE_ALL_GCS |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
1502 if (UseParallelGC) { |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
1503 heap_alignment = ParallelScavengeHeap::conservative_max_heap_alignment(); |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
1504 } else if (UseG1GC) { |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
1505 heap_alignment = G1CollectedHeap::conservative_max_heap_alignment(); |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
1506 } |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
1507 #endif // INCLUDE_ALL_GCS |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
1508 _conservative_max_heap_alignment = MAX3(heap_alignment, os::max_page_size(), |
13060
8f07aa079343
8016309: assert(eden_size > 0 && survivor_size > 0) failed: just checking
jwilhelm
parents:
13059
diff
changeset
|
1509 CollectorPolicy::compute_heap_alignment()); |
12233
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
1510 } |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
1511 |
0 | 1512 void Arguments::set_ergonomics_flags() { |
1513 | |
4946 | 1514 if (os::is_server_class_machine()) { |
0 | 1515 // If no other collector is requested explicitly, |
1516 // let the VM select the collector based on | |
1517 // machine class and automatic selection policy. | |
1518 if (!UseSerialGC && | |
1519 !UseConcMarkSweepGC && | |
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
1520 !UseG1GC && |
0 | 1521 !UseParNewGC && |
1522 FLAG_IS_DEFAULT(UseParallelGC)) { | |
1523 if (should_auto_select_low_pause_collector()) { | |
1524 FLAG_SET_ERGO(bool, UseConcMarkSweepGC, true); | |
1525 } else { | |
1526 FLAG_SET_ERGO(bool, UseParallelGC, true); | |
1527 } | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
1528 } |
0 | 1529 } |
12280
9ed97b511b26
8024517: runtime/CDSCompressedKPtrs/XShareAuto.java failed with RuntimeException
hseigel
parents:
12276
diff
changeset
|
1530 #ifdef COMPILER2 |
9ed97b511b26
8024517: runtime/CDSCompressedKPtrs/XShareAuto.java failed with RuntimeException
hseigel
parents:
12276
diff
changeset
|
1531 // 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
|
1532 // to be disabled, which hurts interpreter performance and decreases |
9ed97b511b26
8024517: runtime/CDSCompressedKPtrs/XShareAuto.java failed with RuntimeException
hseigel
parents:
12276
diff
changeset
|
1533 // server performance. When -server is specified, keep the default off |
9ed97b511b26
8024517: runtime/CDSCompressedKPtrs/XShareAuto.java failed with RuntimeException
hseigel
parents:
12276
diff
changeset
|
1534 // 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
|
1535 // at link time, or rewrite bytecodes in non-shared methods. |
9ed97b511b26
8024517: runtime/CDSCompressedKPtrs/XShareAuto.java failed with RuntimeException
hseigel
parents:
12276
diff
changeset
|
1536 if (!DumpSharedSpaces && !RequireSharedSpaces && |
9ed97b511b26
8024517: runtime/CDSCompressedKPtrs/XShareAuto.java failed with RuntimeException
hseigel
parents:
12276
diff
changeset
|
1537 (FLAG_IS_DEFAULT(UseSharedSpaces) || !UseSharedSpaces)) { |
9ed97b511b26
8024517: runtime/CDSCompressedKPtrs/XShareAuto.java failed with RuntimeException
hseigel
parents:
12276
diff
changeset
|
1538 no_shared_spaces(); |
9ed97b511b26
8024517: runtime/CDSCompressedKPtrs/XShareAuto.java failed with RuntimeException
hseigel
parents:
12276
diff
changeset
|
1539 } |
9ed97b511b26
8024517: runtime/CDSCompressedKPtrs/XShareAuto.java failed with RuntimeException
hseigel
parents:
12276
diff
changeset
|
1540 #endif |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
76
diff
changeset
|
1541 |
12233
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
1542 set_conservative_max_heap_alignment(); |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
1543 |
1010 | 1544 #ifndef ZERO |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
76
diff
changeset
|
1545 #ifdef _LP64 |
8741
eac371996b44
8001049: VM crashes when running with large -Xms and not specifying ObjectAlignmentInBytes
brutisso
parents:
8734
diff
changeset
|
1546 set_use_compressed_oops(); |
12056
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1547 |
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1548 // set_use_compressed_klass_ptrs() must be called after calling |
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1549 // set_use_compressed_oops(). |
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1550 set_use_compressed_klass_ptrs(); |
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
1551 |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
76
diff
changeset
|
1552 // 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
parents:
76
diff
changeset
|
1553 // in vm_version initialization code. |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
76
diff
changeset
|
1554 #endif // _LP64 |
1010 | 1555 #endif // !ZERO |
0 | 1556 } |
1557 | |
1558 void Arguments::set_parallel_gc_flags() { | |
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
1559 assert(UseParallelGC || UseParallelOldGC, "Error"); |
4879 | 1560 // Enable ParallelOld unless it was explicitly disabled (cmd line or rc file). |
1561 if (FLAG_IS_DEFAULT(UseParallelOldGC)) { | |
1562 FLAG_SET_DEFAULT(UseParallelOldGC, true); | |
0 | 1563 } |
4879 | 1564 FLAG_SET_DEFAULT(UseParallelGC, true); |
0 | 1565 |
1566 // If no heap maximum was requested explicitly, use some reasonable fraction | |
1567 // 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
|
1568 FLAG_SET_DEFAULT(ParallelGCThreads, |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1569 Abstract_VM_Version::parallel_worker_threads()); |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1570 if (ParallelGCThreads == 0) { |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1571 jio_fprintf(defaultStream::error_stream(), |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1572 "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
|
1573 vm_exit(1); |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1574 } |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1575 |
17648
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
1576 if (UseAdaptiveSizePolicy) { |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
1577 // 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
|
1578 // unless the user actually sets these flags. |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
1579 if (FLAG_IS_DEFAULT(MinHeapFreeRatio)) { |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
1580 FLAG_SET_DEFAULT(MinHeapFreeRatio, 0); |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
1581 } |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
1582 if (FLAG_IS_DEFAULT(MaxHeapFreeRatio)) { |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
1583 FLAG_SET_DEFAULT(MaxHeapFreeRatio, 100); |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
1584 } |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
1585 } |
7471
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1586 |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1587 // 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
|
1588 // 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
|
1589 // 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
|
1590 // See CR 6362902 for details. |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1591 if (!FLAG_IS_DEFAULT(SurvivorRatio)) { |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1592 if (FLAG_IS_DEFAULT(InitialSurvivorRatio)) { |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1593 FLAG_SET_DEFAULT(InitialSurvivorRatio, SurvivorRatio + 2); |
0 | 1594 } |
7471
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1595 if (FLAG_IS_DEFAULT(MinSurvivorRatio)) { |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1596 FLAG_SET_DEFAULT(MinSurvivorRatio, SurvivorRatio + 2); |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1597 } |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1598 } |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1599 |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1600 if (UseParallelOldGC) { |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1601 // Par compact uses lower default values since they are treated as |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1602 // minimums. These are different defaults because of the different |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1603 // interpretation and are not ergonomically set. |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1604 if (FLAG_IS_DEFAULT(MarkSweepDeadRatio)) { |
4c8bf5e55392
8005489: VM hangs during GC with ParallelGC and ParallelGCThreads=0
brutisso
parents:
7453
diff
changeset
|
1605 FLAG_SET_DEFAULT(MarkSweepDeadRatio, 1); |
0 | 1606 } |
1607 } | |
1608 } | |
1609 | |
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
1610 void Arguments::set_g1_gc_flags() { |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
1611 assert(UseG1GC, "Error"); |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
1612 #ifdef COMPILER1 |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
1613 FastTLABRefill = false; |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
1614 #endif |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
1615 FLAG_SET_DEFAULT(ParallelGCThreads, |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
1616 Abstract_VM_Version::parallel_worker_threads()); |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
1617 if (ParallelGCThreads == 0) { |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
1618 FLAG_SET_DEFAULT(ParallelGCThreads, |
751 | 1619 Abstract_VM_Version::parallel_worker_threads()); |
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
1620 } |
751 | 1621 |
7397
442f942757c0
8000244: G1: Ergonomically set MarkStackSize and use virtual space for global marking stack
johnc
parents:
7177
diff
changeset
|
1622 // MarkStackSize will be set (if it hasn't been set by the user) |
442f942757c0
8000244: G1: Ergonomically set MarkStackSize and use virtual space for global marking stack
johnc
parents:
7177
diff
changeset
|
1623 // when concurrent marking is initialized. |
442f942757c0
8000244: G1: Ergonomically set MarkStackSize and use virtual space for global marking stack
johnc
parents:
7177
diff
changeset
|
1624 // Its value will be based upon the number of parallel marking threads. |
442f942757c0
8000244: G1: Ergonomically set MarkStackSize and use virtual space for global marking stack
johnc
parents:
7177
diff
changeset
|
1625 // But we do set the maximum mark stack size here. |
442f942757c0
8000244: G1: Ergonomically set MarkStackSize and use virtual space for global marking stack
johnc
parents:
7177
diff
changeset
|
1626 if (FLAG_IS_DEFAULT(MarkStackSizeMax)) { |
442f942757c0
8000244: G1: Ergonomically set MarkStackSize and use virtual space for global marking stack
johnc
parents:
7177
diff
changeset
|
1627 FLAG_SET_DEFAULT(MarkStackSizeMax, 128 * TASKQUEUE_SIZE); |
1284 | 1628 } |
1356 | 1629 |
1630 if (FLAG_IS_DEFAULT(GCTimeRatio) || GCTimeRatio == 0) { | |
1631 // In G1, we want the default GC overhead goal to be higher than | |
1632 // say in PS. So we set it here to 10%. Otherwise the heap might | |
1633 // be expanded more aggressively than we would like it to. In | |
1634 // fact, even 10% seems to not be high enough in some cases | |
1635 // (especially small GC stress tests that the main thing they do | |
1636 // is allocation). We might consider increase it further. | |
1637 FLAG_SET_DEFAULT(GCTimeRatio, 9); | |
1638 } | |
7397
442f942757c0
8000244: G1: Ergonomically set MarkStackSize and use virtual space for global marking stack
johnc
parents:
7177
diff
changeset
|
1639 |
442f942757c0
8000244: G1: Ergonomically set MarkStackSize and use virtual space for global marking stack
johnc
parents:
7177
diff
changeset
|
1640 if (PrintGCDetails && Verbose) { |
442f942757c0
8000244: G1: Ergonomically set MarkStackSize and use virtual space for global marking stack
johnc
parents:
7177
diff
changeset
|
1641 tty->print_cr("MarkStackSize: %uk MarkStackSizeMax: %uk", |
17937
78bbf4d43a14
8037816: Fix for 8036122 breaks build with Xcode5/clang
drchase
parents:
17906
diff
changeset
|
1642 (unsigned int) (MarkStackSize / K), (uint) (MarkStackSizeMax / K)); |
78bbf4d43a14
8037816: Fix for 8036122 breaks build with Xcode5/clang
drchase
parents:
17906
diff
changeset
|
1643 tty->print_cr("ConcGCThreads: %u", (uint) ConcGCThreads); |
7397
442f942757c0
8000244: G1: Ergonomically set MarkStackSize and use virtual space for global marking stack
johnc
parents:
7177
diff
changeset
|
1644 } |
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
1645 } |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
1646 |
8854
754c24457b20
7112912: Message "Error occurred during initialization of VM" on boxes with lots of RAM
tschatzl
parents:
8824
diff
changeset
|
1647 julong Arguments::limit_by_allocatable_memory(julong limit) { |
754c24457b20
7112912: Message "Error occurred during initialization of VM" on boxes with lots of RAM
tschatzl
parents:
8824
diff
changeset
|
1648 julong max_allocatable; |
754c24457b20
7112912: Message "Error occurred during initialization of VM" on boxes with lots of RAM
tschatzl
parents:
8824
diff
changeset
|
1649 julong result = limit; |
754c24457b20
7112912: Message "Error occurred during initialization of VM" on boxes with lots of RAM
tschatzl
parents:
8824
diff
changeset
|
1650 if (os::has_allocatable_memory_limit(&max_allocatable)) { |
754c24457b20
7112912: Message "Error occurred during initialization of VM" on boxes with lots of RAM
tschatzl
parents:
8824
diff
changeset
|
1651 result = MIN2(result, max_allocatable / MaxVirtMemFraction); |
754c24457b20
7112912: Message "Error occurred during initialization of VM" on boxes with lots of RAM
tschatzl
parents:
8824
diff
changeset
|
1652 } |
754c24457b20
7112912: Message "Error occurred during initialization of VM" on boxes with lots of RAM
tschatzl
parents:
8824
diff
changeset
|
1653 return result; |
754c24457b20
7112912: Message "Error occurred during initialization of VM" on boxes with lots of RAM
tschatzl
parents:
8824
diff
changeset
|
1654 } |
754c24457b20
7112912: Message "Error occurred during initialization of VM" on boxes with lots of RAM
tschatzl
parents:
8824
diff
changeset
|
1655 |
1064 | 1656 void Arguments::set_heap_size() { |
1657 if (!FLAG_IS_DEFAULT(DefaultMaxRAMFraction)) { | |
1658 // Deprecated flag | |
1659 FLAG_SET_CMDLINE(uintx, MaxRAMFraction, DefaultMaxRAMFraction); | |
1660 } | |
1661 | |
1662 const julong phys_mem = | |
1663 FLAG_IS_DEFAULT(MaxRAM) ? MIN2(os::physical_memory(), (julong)MaxRAM) | |
1664 : (julong)MaxRAM; | |
1665 | |
1666 // If the maximum heap size has not been set with -Xmx, | |
1667 // then set it as fraction of the size of physical memory, | |
1668 // respecting the maximum and minimum sizes of the heap. | |
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
1669 if (FLAG_IS_DEFAULT(MaxHeapSize)) { |
1064 | 1670 julong reasonable_max = phys_mem / MaxRAMFraction; |
1671 | |
1672 if (phys_mem <= MaxHeapSize * MinRAMFraction) { | |
1673 // Small physical memory, so use a minimum fraction of it for the heap | |
1674 reasonable_max = phys_mem / MinRAMFraction; | |
1675 } else { | |
1676 // Not-small physical memory, so require a heap at least | |
1677 // as large as MaxHeapSize | |
1678 reasonable_max = MAX2(reasonable_max, (julong)MaxHeapSize); | |
1679 } | |
1680 if (!FLAG_IS_DEFAULT(ErgoHeapSizeLimit) && ErgoHeapSizeLimit != 0) { | |
1681 // Limit the heap size to ErgoHeapSizeLimit | |
1682 reasonable_max = MIN2(reasonable_max, (julong)ErgoHeapSizeLimit); | |
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
1683 } |
1064 | 1684 if (UseCompressedOops) { |
1685 // Limit the heap size to the maximum possible when using compressed oops | |
1963 | 1686 julong max_coop_heap = (julong)max_heap_for_compressed_oops(); |
1687 if (HeapBaseMinAddress + MaxHeapSize < max_coop_heap) { | |
1688 // Heap should be above HeapBaseMinAddress to get zero based compressed oops | |
1689 // but it should be not less than default MaxHeapSize. | |
1690 max_coop_heap -= HeapBaseMinAddress; | |
1691 } | |
1692 reasonable_max = MIN2(reasonable_max, max_coop_heap); | |
1064 | 1693 } |
8854
754c24457b20
7112912: Message "Error occurred during initialization of VM" on boxes with lots of RAM
tschatzl
parents:
8824
diff
changeset
|
1694 reasonable_max = limit_by_allocatable_memory(reasonable_max); |
1064 | 1695 |
1696 if (!FLAG_IS_DEFAULT(InitialHeapSize)) { | |
1697 // An initial heap size was specified on the command line, | |
1698 // so be sure that the maximum size is consistent. Done | |
8854
754c24457b20
7112912: Message "Error occurred during initialization of VM" on boxes with lots of RAM
tschatzl
parents:
8824
diff
changeset
|
1699 // after call to limit_by_allocatable_memory because that |
1064 | 1700 // method might reduce the allocation size. |
1701 reasonable_max = MAX2(reasonable_max, (julong)InitialHeapSize); | |
1702 } | |
1703 | |
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
1704 if (PrintGCDetails && Verbose) { |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
1705 // Cannot use gclog_or_tty yet. |
17937
78bbf4d43a14
8037816: Fix for 8036122 breaks build with Xcode5/clang
drchase
parents:
17906
diff
changeset
|
1706 tty->print_cr(" Maximum heap size " SIZE_FORMAT, (size_t) reasonable_max); |
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
1707 } |
1064 | 1708 FLAG_SET_ERGO(uintx, MaxHeapSize, (uintx)reasonable_max); |
1709 } | |
1710 | |
10241
d17700c82d7d
8006088: Incompatible heap size flags accepted by VM
tschatzl
parents:
10240
diff
changeset
|
1711 // If the minimum or initial heap_size have not been set or requested to be set |
d17700c82d7d
8006088: Incompatible heap size flags accepted by VM
tschatzl
parents:
10240
diff
changeset
|
1712 // ergonomically, set them accordingly. |
d17700c82d7d
8006088: Incompatible heap size flags accepted by VM
tschatzl
parents:
10240
diff
changeset
|
1713 if (InitialHeapSize == 0 || min_heap_size() == 0) { |
1074
84cb6f20afb3
6900899: vm fails to start when -Xmx value is less than OldSize + NewSize
phh
parents:
1069
diff
changeset
|
1714 julong reasonable_minimum = (julong)(OldSize + NewSize); |
84cb6f20afb3
6900899: vm fails to start when -Xmx value is less than OldSize + NewSize
phh
parents:
1069
diff
changeset
|
1715 |
84cb6f20afb3
6900899: vm fails to start when -Xmx value is less than OldSize + NewSize
phh
parents:
1069
diff
changeset
|
1716 reasonable_minimum = MIN2(reasonable_minimum, (julong)MaxHeapSize); |
84cb6f20afb3
6900899: vm fails to start when -Xmx value is less than OldSize + NewSize
phh
parents:
1069
diff
changeset
|
1717 |
8854
754c24457b20
7112912: Message "Error occurred during initialization of VM" on boxes with lots of RAM
tschatzl
parents:
8824
diff
changeset
|
1718 reasonable_minimum = limit_by_allocatable_memory(reasonable_minimum); |
1074
84cb6f20afb3
6900899: vm fails to start when -Xmx value is less than OldSize + NewSize
phh
parents:
1069
diff
changeset
|
1719 |
10241
d17700c82d7d
8006088: Incompatible heap size flags accepted by VM
tschatzl
parents:
10240
diff
changeset
|
1720 if (InitialHeapSize == 0) { |
d17700c82d7d
8006088: Incompatible heap size flags accepted by VM
tschatzl
parents:
10240
diff
changeset
|
1721 julong reasonable_initial = phys_mem / InitialRAMFraction; |
d17700c82d7d
8006088: Incompatible heap size flags accepted by VM
tschatzl
parents:
10240
diff
changeset
|
1722 |
d17700c82d7d
8006088: Incompatible heap size flags accepted by VM
tschatzl
parents:
10240
diff
changeset
|
1723 reasonable_initial = MAX3(reasonable_initial, reasonable_minimum, (julong)min_heap_size()); |
d17700c82d7d
8006088: Incompatible heap size flags accepted by VM
tschatzl
parents:
10240
diff
changeset
|
1724 reasonable_initial = MIN2(reasonable_initial, (julong)MaxHeapSize); |
d17700c82d7d
8006088: Incompatible heap size flags accepted by VM
tschatzl
parents:
10240
diff
changeset
|
1725 |
d17700c82d7d
8006088: Incompatible heap size flags accepted by VM
tschatzl
parents:
10240
diff
changeset
|
1726 reasonable_initial = limit_by_allocatable_memory(reasonable_initial); |
d17700c82d7d
8006088: Incompatible heap size flags accepted by VM
tschatzl
parents:
10240
diff
changeset
|
1727 |
d17700c82d7d
8006088: Incompatible heap size flags accepted by VM
tschatzl
parents:
10240
diff
changeset
|
1728 if (PrintGCDetails && Verbose) { |
d17700c82d7d
8006088: Incompatible heap size flags accepted by VM
tschatzl
parents:
10240
diff
changeset
|
1729 // Cannot use gclog_or_tty yet. |
d17700c82d7d
8006088: Incompatible heap size flags accepted by VM
tschatzl
parents:
10240
diff
changeset
|
1730 tty->print_cr(" Initial heap size " SIZE_FORMAT, (uintx)reasonable_initial); |
d17700c82d7d
8006088: Incompatible heap size flags accepted by VM
tschatzl
parents:
10240
diff
changeset
|
1731 } |
d17700c82d7d
8006088: Incompatible heap size flags accepted by VM
tschatzl
parents:
10240
diff
changeset
|
1732 FLAG_SET_ERGO(uintx, InitialHeapSize, (uintx)reasonable_initial); |
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
1733 } |
10241
d17700c82d7d
8006088: Incompatible heap size flags accepted by VM
tschatzl
parents:
10240
diff
changeset
|
1734 // If the minimum heap size has not been set (via -Xms), |
d17700c82d7d
8006088: Incompatible heap size flags accepted by VM
tschatzl
parents:
10240
diff
changeset
|
1735 // synchronize with InitialHeapSize to avoid errors with the default value. |
d17700c82d7d
8006088: Incompatible heap size flags accepted by VM
tschatzl
parents:
10240
diff
changeset
|
1736 if (min_heap_size() == 0) { |
d17700c82d7d
8006088: Incompatible heap size flags accepted by VM
tschatzl
parents:
10240
diff
changeset
|
1737 set_min_heap_size(MIN2((uintx)reasonable_minimum, InitialHeapSize)); |
d17700c82d7d
8006088: Incompatible heap size flags accepted by VM
tschatzl
parents:
10240
diff
changeset
|
1738 if (PrintGCDetails && Verbose) { |
d17700c82d7d
8006088: Incompatible heap size flags accepted by VM
tschatzl
parents:
10240
diff
changeset
|
1739 // Cannot use gclog_or_tty yet. |
d17700c82d7d
8006088: Incompatible heap size flags accepted by VM
tschatzl
parents:
10240
diff
changeset
|
1740 tty->print_cr(" Minimum heap size " SIZE_FORMAT, min_heap_size()); |
d17700c82d7d
8006088: Incompatible heap size flags accepted by VM
tschatzl
parents:
10240
diff
changeset
|
1741 } |
d17700c82d7d
8006088: Incompatible heap size flags accepted by VM
tschatzl
parents:
10240
diff
changeset
|
1742 } |
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
1743 } |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
1744 } |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
1745 |
0 | 1746 // This must be called after ergonomics because we want bytecode rewriting |
1747 // if the server compiler is used, or if UseSharedSpaces is disabled. | |
1748 void Arguments::set_bytecode_flags() { | |
1749 // Better not attempt to store into a read-only space. | |
1750 if (UseSharedSpaces) { | |
1751 FLAG_SET_DEFAULT(RewriteBytecodes, false); | |
1752 FLAG_SET_DEFAULT(RewriteFrequentPairs, false); | |
1753 } | |
1754 | |
1755 if (!RewriteBytecodes) { | |
1756 FLAG_SET_DEFAULT(RewriteFrequentPairs, false); | |
1757 } | |
1758 } | |
1759 | |
1760 // Aggressive optimization flags -XX:+AggressiveOpts | |
1761 void Arguments::set_aggressive_opts_flags() { | |
17
ff5961f4c095
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
never
parents:
0
diff
changeset
|
1762 #ifdef COMPILER2 |
10278 | 1763 if (AggressiveUnboxing) { |
1764 if (FLAG_IS_DEFAULT(EliminateAutoBox)) { | |
1765 FLAG_SET_DEFAULT(EliminateAutoBox, true); | |
1766 } else if (!EliminateAutoBox) { | |
1767 // warning("AggressiveUnboxing is disabled because EliminateAutoBox is disabled"); | |
1768 AggressiveUnboxing = false; | |
1769 } | |
1770 if (FLAG_IS_DEFAULT(DoEscapeAnalysis)) { | |
1771 FLAG_SET_DEFAULT(DoEscapeAnalysis, true); | |
1772 } else if (!DoEscapeAnalysis) { | |
1773 // warning("AggressiveUnboxing is disabled because DoEscapeAnalysis is disabled"); | |
1774 AggressiveUnboxing = false; | |
1775 } | |
1776 } | |
17
ff5961f4c095
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
never
parents:
0
diff
changeset
|
1777 if (AggressiveOpts || !FLAG_IS_DEFAULT(AutoBoxCacheMax)) { |
ff5961f4c095
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
never
parents:
0
diff
changeset
|
1778 if (FLAG_IS_DEFAULT(EliminateAutoBox)) { |
ff5961f4c095
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
never
parents:
0
diff
changeset
|
1779 FLAG_SET_DEFAULT(EliminateAutoBox, true); |
ff5961f4c095
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
never
parents:
0
diff
changeset
|
1780 } |
ff5961f4c095
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
never
parents:
0
diff
changeset
|
1781 if (FLAG_IS_DEFAULT(AutoBoxCacheMax)) { |
ff5961f4c095
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
never
parents:
0
diff
changeset
|
1782 FLAG_SET_DEFAULT(AutoBoxCacheMax, 20000); |
ff5961f4c095
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
never
parents:
0
diff
changeset
|
1783 } |
ff5961f4c095
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
never
parents:
0
diff
changeset
|
1784 |
ff5961f4c095
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
never
parents:
0
diff
changeset
|
1785 // Feed the cache size setting into the JDK |
ff5961f4c095
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
never
parents:
0
diff
changeset
|
1786 char buffer[1024]; |
513
2328d1d3f8cf
6781583: Hotspot build fails on linux 64 bit platform with gcc 4.3.2
xlu
parents:
489
diff
changeset
|
1787 sprintf(buffer, "java.lang.Integer.IntegerCache.high=" INTX_FORMAT, AutoBoxCacheMax); |
17
ff5961f4c095
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
never
parents:
0
diff
changeset
|
1788 add_property(buffer); |
ff5961f4c095
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
never
parents:
0
diff
changeset
|
1789 } |
416
b6cfd754403d
6649622: HotSpot Biased locking needs tuning on latest CPUs
never
parents:
363
diff
changeset
|
1790 if (AggressiveOpts && FLAG_IS_DEFAULT(BiasedLockingStartupDelay)) { |
b6cfd754403d
6649622: HotSpot Biased locking needs tuning on latest CPUs
never
parents:
363
diff
changeset
|
1791 FLAG_SET_DEFAULT(BiasedLockingStartupDelay, 500); |
b6cfd754403d
6649622: HotSpot Biased locking needs tuning on latest CPUs
never
parents:
363
diff
changeset
|
1792 } |
17
ff5961f4c095
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
never
parents:
0
diff
changeset
|
1793 #endif |
ff5961f4c095
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
never
parents:
0
diff
changeset
|
1794 |
0 | 1795 if (AggressiveOpts) { |
61 | 1796 // Sample flag setting code |
1797 // if (FLAG_IS_DEFAULT(EliminateZeroing)) { | |
1798 // FLAG_SET_DEFAULT(EliminateZeroing, true); | |
1799 // } | |
0 | 1800 } |
1801 } | |
1802 | |
1803 //=========================================================================================================== | |
1804 // Parsing of java.compiler property | |
1805 | |
1806 void Arguments::process_java_compiler_argument(char* arg) { | |
1807 // For backwards compatibility, Djava.compiler=NONE or "" | |
1808 // causes us to switch to -Xint mode UNLESS -Xdebug | |
1809 // is also specified. | |
1810 if (strlen(arg) == 0 || strcasecmp(arg, "NONE") == 0) { | |
1811 set_java_compiler(true); // "-Djava.compiler[=...]" most recently seen. | |
1812 } | |
1813 } | |
1814 | |
1815 void Arguments::process_java_launcher_argument(const char* launcher, void* extra_info) { | |
1816 _sun_java_launcher = strdup(launcher); | |
2302
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
1817 if (strcmp("gamma", _sun_java_launcher) == 0) { |
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
1818 _created_by_gamma_launcher = true; |
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
1819 } |
0 | 1820 } |
1821 | |
1822 bool Arguments::created_by_java_launcher() { | |
1823 assert(_sun_java_launcher != NULL, "property must have value"); | |
1824 return strcmp(DEFAULT_JAVA_LAUNCHER, _sun_java_launcher) != 0; | |
1825 } | |
1826 | |
2302
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
1827 bool Arguments::created_by_gamma_launcher() { |
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
1828 return _created_by_gamma_launcher; |
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
1829 } |
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
1830 |
0 | 1831 //=========================================================================================================== |
1832 // Parsing of main arguments | |
1833 | |
1244
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
1834 bool Arguments::verify_interval(uintx val, uintx min, |
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
1835 uintx max, const char* name) { |
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
1836 // Returns true iff value is in the inclusive interval [min..max] |
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
1837 // false, otherwise. |
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
1838 if (val >= min && val <= max) { |
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
1839 return true; |
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
1840 } |
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
1841 jio_fprintf(defaultStream::error_stream(), |
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
1842 "%s of " UINTX_FORMAT " is invalid; must be between " UINTX_FORMAT |
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
1843 " and " UINTX_FORMAT "\n", |
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
1844 name, val, min, max); |
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
1845 return false; |
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
1846 } |
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
1847 |
1744
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
1848 bool Arguments::verify_min_value(intx val, intx min, const char* name) { |
2366
1fb790245268
6820066: Check that -XX:ParGCArrayScanChunk has a value larger than zero.
jwilhelm
parents:
2362
diff
changeset
|
1849 // Returns true if given value is at least specified min threshold |
1744
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
1850 // false, otherwise. |
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
1851 if (val >= min ) { |
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
1852 return true; |
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
1853 } |
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
1854 jio_fprintf(defaultStream::error_stream(), |
2366
1fb790245268
6820066: Check that -XX:ParGCArrayScanChunk has a value larger than zero.
jwilhelm
parents:
2362
diff
changeset
|
1855 "%s of " INTX_FORMAT " is invalid; must be at least " INTX_FORMAT "\n", |
1744
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
1856 name, val, min); |
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
1857 return false; |
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
1858 } |
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
1859 |
0 | 1860 bool Arguments::verify_percentage(uintx value, const char* name) { |
17648
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
1861 if (is_percentage(value)) { |
0 | 1862 return true; |
1863 } | |
1864 jio_fprintf(defaultStream::error_stream(), | |
1865 "%s of " UINTX_FORMAT " is invalid; must be between 0 and 100\n", | |
1866 name, value); | |
1867 return false; | |
1868 } | |
1869 | |
9060
cc32ccaaf47f
8003310: Enable -Wunused-function when compiling with gcc
mikael
parents:
8847
diff
changeset
|
1870 #if !INCLUDE_ALL_GCS |
cc32ccaaf47f
8003310: Enable -Wunused-function when compiling with gcc
mikael
parents:
8847
diff
changeset
|
1871 #ifdef ASSERT |
0 | 1872 static bool verify_serial_gc_flags() { |
1873 return (UseSerialGC && | |
945
68ef3fdcdb76
6872136: CMS: confusing message may be printed when a collector is switched off implicitly
ysr
parents:
932
diff
changeset
|
1874 !(UseParNewGC || (UseConcMarkSweepGC || CMSIncrementalMode) || UseG1GC || |
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
1875 UseParallelGC || UseParallelOldGC)); |
0 | 1876 } |
9060
cc32ccaaf47f
8003310: Enable -Wunused-function when compiling with gcc
mikael
parents:
8847
diff
changeset
|
1877 #endif // ASSERT |
cc32ccaaf47f
8003310: Enable -Wunused-function when compiling with gcc
mikael
parents:
8847
diff
changeset
|
1878 #endif // INCLUDE_ALL_GCS |
0 | 1879 |
3767
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1880 // check if do gclog rotation |
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1881 // +UseGCLogFileRotation is a must, |
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1882 // no gc log rotation when log file not supplied or |
17827 | 1883 // NumberOfGCLogFiles is 0 |
3767
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1884 void check_gclog_consistency() { |
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1885 if (UseGCLogFileRotation) { |
17827 | 1886 if ((Arguments::gc_log_filename() == NULL) || (NumberOfGCLogFiles == 0)) { |
3767
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1887 jio_fprintf(defaultStream::output_stream(), |
17827 | 1888 "To enable GC log rotation, use -Xloggc:<filename> -XX:+UseGCLogFileRotation -XX:NumberOfGCLogFiles=<num_of_files>\n" |
1889 "where num_of_file > 0\n" | |
3767
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1890 "GC log rotation is turned off\n"); |
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1891 UseGCLogFileRotation = false; |
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1892 } |
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1893 } |
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1894 |
17827 | 1895 if (UseGCLogFileRotation && (GCLogFileSize != 0) && (GCLogFileSize < 8*K)) { |
1896 FLAG_SET_CMDLINE(uintx, GCLogFileSize, 8*K); | |
1897 jio_fprintf(defaultStream::output_stream(), | |
1898 "GCLogFileSize changed to minimum 8K\n"); | |
3767
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1899 } |
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1900 } |
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1901 |
12215 | 1902 // This function is called for -Xloggc:<filename>, it can be used |
1903 // to check if a given file name(or string) conforms to the following | |
1904 // specification: | |
1905 // A valid string only contains "[A-Z][a-z][0-9].-_%[p|t]" | |
1906 // %p and %t only allowed once. We only limit usage of filename not path | |
1907 bool is_filename_valid(const char *file_name) { | |
1908 const char* p = file_name; | |
1909 char file_sep = os::file_separator()[0]; | |
1910 const char* cp; | |
1911 // skip prefix path | |
1912 for (cp = file_name; *cp != '\0'; cp++) { | |
1913 if (*cp == '/' || *cp == file_sep) { | |
1914 p = cp + 1; | |
1915 } | |
1916 } | |
1917 | |
1918 int count_p = 0; | |
1919 int count_t = 0; | |
1920 while (*p != '\0') { | |
1921 if ((*p >= '0' && *p <= '9') || | |
1922 (*p >= 'A' && *p <= 'Z') || | |
1923 (*p >= 'a' && *p <= 'z') || | |
1924 *p == '-' || | |
1925 *p == '_' || | |
1926 *p == '.') { | |
1927 p++; | |
1928 continue; | |
1929 } | |
1930 if (*p == '%') { | |
1931 if(*(p + 1) == 'p') { | |
1932 p += 2; | |
1933 count_p ++; | |
1934 continue; | |
1935 } | |
1936 if (*(p + 1) == 't') { | |
1937 p += 2; | |
1938 count_t ++; | |
1939 continue; | |
1940 } | |
1941 } | |
1942 return false; | |
1943 } | |
1944 return count_p < 2 && count_t < 2; | |
1945 } | |
1946 | |
17648
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
1947 bool Arguments::verify_MinHeapFreeRatio(FormatBuffer<80>& err_msg, uintx min_heap_free_ratio) { |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
1948 if (!is_percentage(min_heap_free_ratio)) { |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
1949 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
|
1950 return false; |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
1951 } |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
1952 if (min_heap_free_ratio > MaxHeapFreeRatio) { |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
1953 err_msg.print("MinHeapFreeRatio (" UINTX_FORMAT ") must be less than or " |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
1954 "equal to MaxHeapFreeRatio (" UINTX_FORMAT ")", min_heap_free_ratio, |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
1955 MaxHeapFreeRatio); |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
1956 return false; |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
1957 } |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
1958 return true; |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
1959 } |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
1960 |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
1961 bool Arguments::verify_MaxHeapFreeRatio(FormatBuffer<80>& err_msg, uintx max_heap_free_ratio) { |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
1962 if (!is_percentage(max_heap_free_ratio)) { |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
1963 err_msg.print("MaxHeapFreeRatio must have a value between 0 and 100"); |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
1964 return false; |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
1965 } |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
1966 if (max_heap_free_ratio < MinHeapFreeRatio) { |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
1967 err_msg.print("MaxHeapFreeRatio (" UINTX_FORMAT ") must be greater than or " |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
1968 "equal to MinHeapFreeRatio (" UINTX_FORMAT ")", max_heap_free_ratio, |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
1969 MinHeapFreeRatio); |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
1970 return false; |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
1971 } |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
1972 return true; |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
1973 } |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
1974 |
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1975 // Check consistency of GC selection |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1976 bool Arguments::check_gc_consistency() { |
3767
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1977 check_gclog_consistency(); |
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1978 bool status = true; |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1979 // 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
|
1980 // 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
|
1981 // 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
|
1982 // 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
|
1983 // 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
|
1984 // 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
|
1985 // select conflicting combinations. |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1986 uint i = 0; |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1987 if (UseSerialGC) i++; |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1988 if (UseConcMarkSweepGC || UseParNewGC) i++; |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1989 if (UseParallelGC || UseParallelOldGC) i++; |
845
df6caf649ff7
6700789: G1: Enable use of compressed oops with G1 heaps
ysr
parents:
751
diff
changeset
|
1990 if (UseG1GC) i++; |
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1991 if (i > 1) { |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1992 jio_fprintf(defaultStream::error_stream(), |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1993 "Conflicting collector combinations in option list; " |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1994 "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
|
1995 "allowed\n"); |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1996 status = false; |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1997 } |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1998 return status; |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1999 } |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2000 |
7452
e0ab18eafbde
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
7451
diff
changeset
|
2001 void Arguments::check_deprecated_gcs() { |
e0ab18eafbde
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
7451
diff
changeset
|
2002 if (UseConcMarkSweepGC && !UseParNewGC) { |
e0ab18eafbde
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
7451
diff
changeset
|
2003 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
|
2004 "and will likely be removed in a future release"); |
e0ab18eafbde
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
7451
diff
changeset
|
2005 } |
e0ab18eafbde
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
7451
diff
changeset
|
2006 |
e0ab18eafbde
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
7451
diff
changeset
|
2007 if (UseParNewGC && !UseConcMarkSweepGC) { |
e0ab18eafbde
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
7451
diff
changeset
|
2008 // !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
|
2009 // 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
|
2010 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
|
2011 "and will likely be removed in a future release"); |
e0ab18eafbde
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
7451
diff
changeset
|
2012 } |
7453 | 2013 |
2014 if (CMSIncrementalMode) { | |
2015 warning("Using incremental CMS is deprecated and will likely be removed in a future release"); | |
2016 } | |
7452
e0ab18eafbde
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
7451
diff
changeset
|
2017 } |
e0ab18eafbde
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
7451
diff
changeset
|
2018 |
8734 | 2019 void Arguments::check_deprecated_gc_flags() { |
2020 if (FLAG_IS_CMDLINE(MaxGCMinorPauseMillis)) { | |
2021 warning("Using MaxGCMinorPauseMillis as minor pause goal is deprecated" | |
2022 "and will likely be removed in future release"); | |
2023 } | |
11977 | 2024 if (FLAG_IS_CMDLINE(DefaultMaxRAMFraction)) { |
2025 warning("DefaultMaxRAMFraction is deprecated and will likely be removed in a future release. " | |
2026 "Use MaxRAMFraction instead."); | |
2027 } | |
13008
3b3133d93fb6
8027132: Print deprecation warning message for the flags controlling the CMS foreground collector
brutisso
parents:
12976
diff
changeset
|
2028 if (FLAG_IS_CMDLINE(UseCMSCompactAtFullCollection)) { |
3b3133d93fb6
8027132: Print deprecation warning message for the flags controlling the CMS foreground collector
brutisso
parents:
12976
diff
changeset
|
2029 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
|
2030 } |
3b3133d93fb6
8027132: Print deprecation warning message for the flags controlling the CMS foreground collector
brutisso
parents:
12976
diff
changeset
|
2031 if (FLAG_IS_CMDLINE(CMSFullGCsBeforeCompaction)) { |
3b3133d93fb6
8027132: Print deprecation warning message for the flags controlling the CMS foreground collector
brutisso
parents:
12976
diff
changeset
|
2032 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
|
2033 } |
3b3133d93fb6
8027132: Print deprecation warning message for the flags controlling the CMS foreground collector
brutisso
parents:
12976
diff
changeset
|
2034 if (FLAG_IS_CMDLINE(UseCMSCollectionPassing)) { |
3b3133d93fb6
8027132: Print deprecation warning message for the flags controlling the CMS foreground collector
brutisso
parents:
12976
diff
changeset
|
2035 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
|
2036 } |
8734 | 2037 } |
2038 | |
1744
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
2039 // Check stack pages settings |
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
2040 bool Arguments::check_stack_pages() |
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
2041 { |
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
2042 bool status = true; |
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
2043 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
|
2044 status = status && verify_min_value(StackRedPages, 1, "StackRedPages"); |
1867
b6aedd1acdc0
6983240: guarantee((Solaris::min_stack_allowed >= (StackYellowPages+StackRedPages...) wrong
coleenp
parents:
1864
diff
changeset
|
2045 // 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
|
2046 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
|
2047 return status; |
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
2048 } |
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
2049 |
0 | 2050 // Check the consistency of vm_init_args |
2051 bool Arguments::check_vm_args_consistency() { | |
2052 // Method for adding checks for flag consistency. | |
2053 // The intent is to warn the user of all possible conflicts, | |
2054 // before returning an error. | |
2055 // Note: Needs platform-dependent factoring. | |
2056 bool status = true; | |
2057 | |
2058 // Allow both -XX:-UseStackBanging and -XX:-UseBoundThreads in non-product | |
2059 // builds so the cost of stack banging can be measured. | |
2060 #if (defined(PRODUCT) && defined(SOLARIS)) | |
2061 if (!UseBoundThreads && !UseStackBanging) { | |
2062 jio_fprintf(defaultStream::error_stream(), | |
2063 "-UseStackBanging conflicts with -UseBoundThreads\n"); | |
2064 | |
2065 status = false; | |
2066 } | |
2067 #endif | |
2068 | |
2069 if (TLABRefillWasteFraction == 0) { | |
2070 jio_fprintf(defaultStream::error_stream(), | |
2071 "TLABRefillWasteFraction should be a denominator, " | |
2072 "not " SIZE_FORMAT "\n", | |
2073 TLABRefillWasteFraction); | |
2074 status = false; | |
2075 } | |
2076 | |
10287
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2077 status = status && verify_interval(AdaptiveSizePolicyWeight, 0, 100, |
0 | 2078 "AdaptiveSizePolicyWeight"); |
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2079 status = status && verify_percentage(ThresholdTolerance, "ThresholdTolerance"); |
0 | 2080 |
6982
e4f764ddb06a
7122219: Passed StringTableSize value not verified
hseigel
parents:
6928
diff
changeset
|
2081 // 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
|
2082 // 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
|
2083 status = status && verify_interval(StringTableSize, minimumStringTableSize, |
6982
e4f764ddb06a
7122219: Passed StringTableSize value not verified
hseigel
parents:
6928
diff
changeset
|
2084 (max_uintx / StringTable::bucket_size()), "StringTable size"); |
e4f764ddb06a
7122219: Passed StringTableSize value not verified
hseigel
parents:
6928
diff
changeset
|
2085 |
12825
c90e76575b03
8019375: Internal symbol table size should be tunable.
kevinw
parents:
12326
diff
changeset
|
2086 status = status && verify_interval(SymbolTableSize, minimumSymbolTableSize, |
c90e76575b03
8019375: Internal symbol table size should be tunable.
kevinw
parents:
12326
diff
changeset
|
2087 (max_uintx / SymbolTable::bucket_size()), "SymbolTable size"); |
c90e76575b03
8019375: Internal symbol table size should be tunable.
kevinw
parents:
12326
diff
changeset
|
2088 |
17648
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
2089 { |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
2090 // 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
|
2091 // 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
|
2092 // 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
|
2093 FormatBuffer<80> err_msg("%s",""); |
17648
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
2094 if (!verify_MinHeapFreeRatio(err_msg, MinHeapFreeRatio)) { |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
2095 jio_fprintf(defaultStream::error_stream(), "%s\n", err_msg.buffer()); |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
2096 status = false; |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
2097 } else if (!verify_MaxHeapFreeRatio(err_msg, MaxHeapFreeRatio)) { |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
2098 jio_fprintf(defaultStream::error_stream(), "%s\n", err_msg.buffer()); |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
2099 status = false; |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
2100 } |
0 | 2101 } |
2102 | |
8040
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2103 // Min/MaxMetaspaceFreeRatio |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2104 status = status && verify_percentage(MinMetaspaceFreeRatio, "MinMetaspaceFreeRatio"); |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2105 status = status && verify_percentage(MaxMetaspaceFreeRatio, "MaxMetaspaceFreeRatio"); |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2106 |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2107 if (MinMetaspaceFreeRatio > MaxMetaspaceFreeRatio) { |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2108 jio_fprintf(defaultStream::error_stream(), |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2109 "MinMetaspaceFreeRatio (%s" UINTX_FORMAT ") must be less than or " |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2110 "equal to MaxMetaspaceFreeRatio (%s" UINTX_FORMAT ")\n", |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2111 FLAG_IS_DEFAULT(MinMetaspaceFreeRatio) ? "Default: " : "", |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2112 MinMetaspaceFreeRatio, |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2113 FLAG_IS_DEFAULT(MaxMetaspaceFreeRatio) ? "Default: " : "", |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2114 MaxMetaspaceFreeRatio); |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2115 status = false; |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2116 } |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2117 |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2118 // Trying to keep 100% free is not practical |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2119 MinMetaspaceFreeRatio = MIN2(MinMetaspaceFreeRatio, (uintx) 99); |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8037
diff
changeset
|
2120 |
0 | 2121 if (FullGCALot && FLAG_IS_DEFAULT(MarkSweepAlwaysCompactCount)) { |
2122 MarkSweepAlwaysCompactCount = 1; // Move objects every gc. | |
2123 } | |
2124 | |
483
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2125 if (UseParallelOldGC && ParallelOldGCSplitALot) { |
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2126 // Settings to encourage splitting. |
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2127 if (!FLAG_IS_CMDLINE(NewRatio)) { |
8035 | 2128 FLAG_SET_CMDLINE(uintx, NewRatio, 2); |
483
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2129 } |
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2130 if (!FLAG_IS_CMDLINE(ScavengeBeforeFullGC)) { |
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2131 FLAG_SET_CMDLINE(bool, ScavengeBeforeFullGC, false); |
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2132 } |
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2133 } |
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
2134 |
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2135 status = status && verify_percentage(GCHeapFreeLimit, "GCHeapFreeLimit"); |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2136 status = status && verify_percentage(GCTimeLimit, "GCTimeLimit"); |
0 | 2137 if (GCTimeLimit == 100) { |
2138 // Turn off gc-overhead-limit-exceeded checks | |
2139 FLAG_SET_DEFAULT(UseGCOverheadLimit, false); | |
2140 } | |
2141 | |
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2142 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
|
2143 status = status && check_stack_pages(); |
0 | 2144 |
2145 if (CMSIncrementalMode) { | |
2146 if (!UseConcMarkSweepGC) { | |
2147 jio_fprintf(defaultStream::error_stream(), | |
2148 "error: invalid argument combination.\n" | |
2149 "The CMS collector (-XX:+UseConcMarkSweepGC) must be " | |
2150 "selected in order\nto use CMSIncrementalMode.\n"); | |
2151 status = false; | |
2152 } else { | |
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2153 status = status && verify_percentage(CMSIncrementalDutyCycle, |
0 | 2154 "CMSIncrementalDutyCycle"); |
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2155 status = status && verify_percentage(CMSIncrementalDutyCycleMin, |
0 | 2156 "CMSIncrementalDutyCycleMin"); |
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2157 status = status && verify_percentage(CMSIncrementalSafetyFactor, |
0 | 2158 "CMSIncrementalSafetyFactor"); |
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2159 status = status && verify_percentage(CMSIncrementalOffset, |
0 | 2160 "CMSIncrementalOffset"); |
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2161 status = status && verify_percentage(CMSExpAvgFactor, |
0 | 2162 "CMSExpAvgFactor"); |
2163 // If it was not set on the command line, set | |
2164 // CMSInitiatingOccupancyFraction to 1 so icms can initiate cycles early. | |
2165 if (CMSInitiatingOccupancyFraction < 0) { | |
2166 FLAG_SET_DEFAULT(CMSInitiatingOccupancyFraction, 1); | |
2167 } | |
2168 } | |
2169 } | |
2170 | |
2171 // CMS space iteration, which FLSVerifyAllHeapreferences entails, | |
2172 // insists that we hold the requisite locks so that the iteration is | |
2173 // MT-safe. For the verification at start-up and shut-down, we don't | |
2174 // yet have a good way of acquiring and releasing these locks, | |
2175 // which are not visible at the CollectedHeap level. We want to | |
2176 // be able to acquire these locks and then do the iteration rather | |
2177 // than just disable the lock verification. This will be fixed under | |
2178 // bug 4788986. | |
2179 if (UseConcMarkSweepGC && FLSVerifyAllHeapReferences) { | |
9071
68fe50d4f1d5
8011343: Add new flag for verifying the heap during startup
johnc
parents:
8859
diff
changeset
|
2180 if (VerifyDuringStartup) { |
0 | 2181 warning("Heap verification at start-up disabled " |
2182 "(due to current incompatibility with FLSVerifyAllHeapReferences)"); | |
9071
68fe50d4f1d5
8011343: Add new flag for verifying the heap during startup
johnc
parents:
8859
diff
changeset
|
2183 VerifyDuringStartup = false; // Disable verification at start-up |
0 | 2184 } |
9071
68fe50d4f1d5
8011343: Add new flag for verifying the heap during startup
johnc
parents:
8859
diff
changeset
|
2185 |
0 | 2186 if (VerifyBeforeExit) { |
2187 warning("Heap verification at shutdown disabled " | |
2188 "(due to current incompatibility with FLSVerifyAllHeapReferences)"); | |
2189 VerifyBeforeExit = false; // Disable verification at shutdown | |
2190 } | |
2191 } | |
2192 | |
2193 // Note: only executed in non-PRODUCT mode | |
2194 if (!UseAsyncConcMarkSweepGC && | |
2195 (ExplicitGCInvokesConcurrent || | |
2196 ExplicitGCInvokesConcurrentAndUnloadsClasses)) { | |
2197 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
|
2198 "error: +ExplicitGCInvokesConcurrent[AndUnloadsClasses] conflicts" |
0 | 2199 " with -UseAsyncConcMarkSweepGC"); |
2200 status = false; | |
2201 } | |
2202 | |
2366
1fb790245268
6820066: Check that -XX:ParGCArrayScanChunk has a value larger than zero.
jwilhelm
parents:
2362
diff
changeset
|
2203 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
|
2204 |
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
2205 #if INCLUDE_ALL_GCS |
1283
1c72304f1885
6928073: G1: use existing command line parameters for marking cycle initiation
tonyp
parents:
1257
diff
changeset
|
2206 if (UseG1GC) { |
13060
8f07aa079343
8016309: assert(eden_size > 0 && survivor_size > 0) failed: just checking
jwilhelm
parents:
13059
diff
changeset
|
2207 status = status && verify_percentage(G1NewSizePercent, "G1NewSizePercent"); |
8f07aa079343
8016309: assert(eden_size > 0 && survivor_size > 0) failed: just checking
jwilhelm
parents:
13059
diff
changeset
|
2208 status = status && verify_percentage(G1MaxNewSizePercent, "G1MaxNewSizePercent"); |
8f07aa079343
8016309: assert(eden_size > 0 && survivor_size > 0) failed: just checking
jwilhelm
parents:
13059
diff
changeset
|
2209 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
|
2210 |
1283
1c72304f1885
6928073: G1: use existing command line parameters for marking cycle initiation
tonyp
parents:
1257
diff
changeset
|
2211 status = status && verify_percentage(InitiatingHeapOccupancyPercent, |
1c72304f1885
6928073: G1: use existing command line parameters for marking cycle initiation
tonyp
parents:
1257
diff
changeset
|
2212 "InitiatingHeapOccupancyPercent"); |
2174
234761c55641
6608385: G1: need to support parallel reference processing
johnc
parents:
2129
diff
changeset
|
2213 status = status && verify_min_value(G1RefProcDrainInterval, 1, |
234761c55641
6608385: G1: need to support parallel reference processing
johnc
parents:
2129
diff
changeset
|
2214 "G1RefProcDrainInterval"); |
234761c55641
6608385: G1: need to support parallel reference processing
johnc
parents:
2129
diff
changeset
|
2215 status = status && verify_min_value((intx)G1ConcMarkStepDurationMillis, 1, |
234761c55641
6608385: G1: need to support parallel reference processing
johnc
parents:
2129
diff
changeset
|
2216 "G1ConcMarkStepDurationMillis"); |
10246
194f52aa2f23
7176479: G1: JVM crashes on T5-8 system with 1.5 TB heap
johnc
parents:
10241
diff
changeset
|
2217 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
|
2218 "G1ConcRSHotCardLimit"); |
194f52aa2f23
7176479: G1: JVM crashes on T5-8 system with 1.5 TB heap
johnc
parents:
10241
diff
changeset
|
2219 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
|
2220 "G1ConcRSLogCacheSize"); |
17764 | 2221 status = status && verify_interval(StringDeduplicationAgeThreshold, 1, markOopDesc::max_age, |
2222 "StringDeduplicationAgeThreshold"); | |
1283
1c72304f1885
6928073: G1: use existing command line parameters for marking cycle initiation
tonyp
parents:
1257
diff
changeset
|
2223 } |
10287
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2224 if (UseConcMarkSweepGC) { |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2225 status = status && verify_min_value(CMSOldPLABNumRefills, 1, "CMSOldPLABNumRefills"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2226 status = status && verify_min_value(CMSOldPLABToleranceFactor, 1, "CMSOldPLABToleranceFactor"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2227 status = status && verify_min_value(CMSOldPLABMax, 1, "CMSOldPLABMax"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2228 status = status && verify_interval(CMSOldPLABMin, 1, CMSOldPLABMax, "CMSOldPLABMin"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2229 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2230 status = status && verify_min_value(CMSYoungGenPerWorker, 1, "CMSYoungGenPerWorker"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2231 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2232 status = status && verify_min_value(CMSSamplingGrain, 1, "CMSSamplingGrain"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2233 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
|
2234 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
|
2235 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2236 status = status && verify_interval(FLSCoalescePolicy, 0, 4, "FLSCoalescePolicy"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2237 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2238 status = status && verify_min_value(CMSRescanMultiple, 1, "CMSRescanMultiple"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2239 status = status && verify_min_value(CMSConcMarkMultiple, 1, "CMSConcMarkMultiple"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2240 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2241 status = status && verify_interval(CMSPrecleanIter, 0, 9, "CMSPrecleanIter"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2242 status = status && verify_min_value(CMSPrecleanDenominator, 1, "CMSPrecleanDenominator"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2243 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
|
2244 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2245 status = status && verify_percentage(CMSBootstrapOccupancy, "CMSBootstrapOccupancy"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2246 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2247 status = status && verify_min_value(CMSPrecleanThreshold, 100, "CMSPrecleanThreshold"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2248 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2249 status = status && verify_percentage(CMSScheduleRemarkEdenPenetration, "CMSScheduleRemarkEdenPenetration"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2250 status = status && verify_min_value(CMSScheduleRemarkSamplingRatio, 1, "CMSScheduleRemarkSamplingRatio"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2251 status = status && verify_min_value(CMSBitMapYieldQuantum, 1, "CMSBitMapYieldQuantum"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2252 status = status && verify_percentage(CMSTriggerRatio, "CMSTriggerRatio"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2253 status = status && verify_percentage(CMSIsTooFullPercentage, "CMSIsTooFullPercentage"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2254 } |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2255 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2256 if (UseParallelGC || UseParallelOldGC) { |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2257 status = status && verify_interval(ParallelOldDeadWoodLimiterMean, 0, 100, "ParallelOldDeadWoodLimiterMean"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2258 status = status && verify_interval(ParallelOldDeadWoodLimiterStdDev, 0, 100, "ParallelOldDeadWoodLimiterStdDev"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2259 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2260 status = status && verify_percentage(YoungGenerationSizeIncrement, "YoungGenerationSizeIncrement"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2261 status = status && verify_percentage(TenuredGenerationSizeIncrement, "TenuredGenerationSizeIncrement"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2262 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2263 status = status && verify_min_value(YoungGenerationSizeSupplementDecay, 1, "YoungGenerationSizeSupplementDecay"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2264 status = status && verify_min_value(TenuredGenerationSizeSupplementDecay, 1, "TenuredGenerationSizeSupplementDecay"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2265 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2266 status = status && verify_min_value(ParGCCardsPerStrideChunk, 1, "ParGCCardsPerStrideChunk"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2267 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2268 status = status && verify_min_value(ParallelOldGCSplitInterval, 0, "ParallelOldGCSplitInterval"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2269 } |
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
2270 #endif // INCLUDE_ALL_GCS |
1283
1c72304f1885
6928073: G1: use existing command line parameters for marking cycle initiation
tonyp
parents:
1257
diff
changeset
|
2271 |
1244
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2272 status = status && verify_interval(RefDiscoveryPolicy, |
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2273 ReferenceProcessor::DiscoveryPolicyMin, |
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2274 ReferenceProcessor::DiscoveryPolicyMax, |
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2275 "RefDiscoveryPolicy"); |
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2276 |
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2277 // 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
|
2278 // expression. |
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2279 status = status && verify_interval(TLABWasteTargetPercent, |
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2280 1, 100, "TLABWasteTargetPercent"); |
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2281 |
1571
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
2282 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
|
2283 |
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
2284 status = status && verify_interval(CompressedClassSpaceSize, 1*M, 3*G, |
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
2285 "CompressedClassSpaceSize"); |
6736
11fb740ce98f
7196103: NPG: Unable to allocate bit map for parallel garbage collection for the requested heap size
coleenp
parents:
6725
diff
changeset
|
2286 |
7397
442f942757c0
8000244: G1: Ergonomically set MarkStackSize and use virtual space for global marking stack
johnc
parents:
7177
diff
changeset
|
2287 status = status && verify_interval(MarkStackSizeMax, |
442f942757c0
8000244: G1: Ergonomically set MarkStackSize and use virtual space for global marking stack
johnc
parents:
7177
diff
changeset
|
2288 1, (max_jint - 1), "MarkStackSizeMax"); |
10287
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2289 status = status && verify_interval(NUMAChunkResizeWeight, 0, 100, "NUMAChunkResizeWeight"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2290 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2291 status = status && verify_min_value(LogEventsBufferEntries, 1, "LogEventsBufferEntries"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2292 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2293 status = status && verify_min_value(HeapSizePerGCThread, (uintx) os::vm_page_size(), "HeapSizePerGCThread"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2294 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2295 status = status && verify_min_value(GCTaskTimeStampEntries, 1, "GCTaskTimeStampEntries"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2296 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2297 status = status && verify_percentage(ParallelGCBufferWastePct, "ParallelGCBufferWastePct"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2298 status = status && verify_interval(TargetPLABWastePct, 1, 100, "TargetPLABWastePct"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2299 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2300 status = status && verify_min_value(ParGCStridesPerThread, 1, "ParGCStridesPerThread"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2301 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2302 status = status && verify_min_value(MinRAMFraction, 1, "MinRAMFraction"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2303 status = status && verify_min_value(InitialRAMFraction, 1, "InitialRAMFraction"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2304 status = status && verify_min_value(MaxRAMFraction, 1, "MaxRAMFraction"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2305 status = status && verify_min_value(DefaultMaxRAMFraction, 1, "DefaultMaxRAMFraction"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2306 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2307 status = status && verify_interval(AdaptiveTimeWeight, 0, 100, "AdaptiveTimeWeight"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2308 status = status && verify_min_value(AdaptiveSizeDecrementScaleFactor, 1, "AdaptiveSizeDecrementScaleFactor"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2309 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2310 status = status && verify_interval(TLABAllocationWeight, 0, 100, "TLABAllocationWeight"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2311 status = status && verify_min_value(MinTLABSize, 1, "MinTLABSize"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2312 status = status && verify_min_value(TLABRefillWasteFraction, 1, "TLABRefillWasteFraction"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2313 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2314 status = status && verify_percentage(YoungGenerationSizeSupplement, "YoungGenerationSizeSupplement"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2315 status = status && verify_percentage(TenuredGenerationSizeSupplement, "TenuredGenerationSizeSupplement"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2316 |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2317 // 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
|
2318 // just for that, so hardcode here. |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2319 status = status && verify_interval(MaxTenuringThreshold, 0, 15, "MaxTenuringThreshold"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2320 status = status && verify_interval(InitialTenuringThreshold, 0, MaxTenuringThreshold, "MaxTenuringThreshold"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2321 status = status && verify_percentage(TargetSurvivorRatio, "TargetSurvivorRatio"); |
12f651e29f6b
6843347: Boundary values in some public GC options cause crashes
tschatzl
parents:
10246
diff
changeset
|
2322 status = status && verify_percentage(MarkSweepDeadRatio, "MarkSweepDeadRatio"); |
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(MarkSweepAlwaysCompactCount, 1, "MarkSweepAlwaysCompactCount"); |
6755
bc675e55b48c
7193946: Move warnings associated with UseMemSetInBOT flag
johnc
parents:
6736
diff
changeset
|
2325 |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2326 if (PrintNMTStatistics) { |
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2327 #if INCLUDE_NMT |
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2328 if (MemTracker::tracking_level() == MemTracker::NMT_off) { |
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2329 #endif // INCLUDE_NMT |
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2330 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
|
2331 PrintNMTStatistics = false; |
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2332 #if INCLUDE_NMT |
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2333 } |
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2334 #endif |
6770
9a86ddfc6c8f
7188594: Print statistic collected by NMT with VM flag
zgu
parents:
6736
diff
changeset
|
2335 } |
9a86ddfc6c8f
7188594: Print statistic collected by NMT with VM flag
zgu
parents:
6736
diff
changeset
|
2336 |
10260
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2337 // Need to limit the extent of the padding to reasonable size. |
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2338 // 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
|
2339 // aggressive prefetching, while still leaving the room for segregating |
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2340 // among the distinct pages. |
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2341 if (ContendedPaddingWidth < 0 || ContendedPaddingWidth > 8192) { |
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2342 jio_fprintf(defaultStream::error_stream(), |
12129 | 2343 "ContendedPaddingWidth=" INTX_FORMAT " must be in between %d and %d\n", |
10260
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2344 ContendedPaddingWidth, 0, 8192); |
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2345 status = false; |
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2346 } |
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2347 |
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2348 // Need to enforce the padding not to break the existing field alignments. |
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2349 // It is sufficient to check against the largest type size. |
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2350 if ((ContendedPaddingWidth % BytesPerLong) != 0) { |
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2351 jio_fprintf(defaultStream::error_stream(), |
12129 | 2352 "ContendedPaddingWidth=" INTX_FORMAT " must be a multiple of %d\n", |
10260
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2353 ContendedPaddingWidth, BytesPerLong); |
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2354 status = false; |
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2355 } |
711016f146fd
8006997: ContendedPaddingWidth should be range-checked
dholmes
parents:
10172
diff
changeset
|
2356 |
11079
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2357 // 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
|
2358 // 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
|
2359 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
|
2360 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
|
2361 jio_fprintf(defaultStream::error_stream(), |
11079
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2362 "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
|
2363 os::vm_page_size()/K); |
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2364 status = false; |
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2365 } else if (ReservedCodeCacheSize < InitialCodeCacheSize) { |
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2366 jio_fprintf(defaultStream::error_stream(), |
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2367 "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
|
2368 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
|
2369 status = false; |
11079
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2370 } 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
|
2371 jio_fprintf(defaultStream::error_stream(), |
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2372 "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
|
2373 min_code_cache_size/K); |
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2374 status = false; |
11109
7ac80525ece9
8015635: Crash when specifying very large code cache size
anoll
parents:
11083
diff
changeset
|
2375 } else if (ReservedCodeCacheSize > 2*G) { |
7ac80525ece9
8015635: Crash when specifying very large code cache size
anoll
parents:
11083
diff
changeset
|
2376 // Code cache size larger than MAXINT is not supported. |
7ac80525ece9
8015635: Crash when specifying very large code cache size
anoll
parents:
11083
diff
changeset
|
2377 jio_fprintf(defaultStream::error_stream(), |
7ac80525ece9
8015635: Crash when specifying very large code cache size
anoll
parents:
11083
diff
changeset
|
2378 "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
|
2379 (2*G)/M); |
7ac80525ece9
8015635: Crash when specifying very large code cache size
anoll
parents:
11083
diff
changeset
|
2380 status = false; |
10392
c07dd9be16e8
8013496: Code cache management command line options work only in special order. Another order of arguments does not deliver the second parameter to the jvm.
anoll
parents:
10319
diff
changeset
|
2381 } |
12324
510fbd28919c
8020151: PSR:PERF Large performance regressions when code cache is filled
anoll
parents:
12322
diff
changeset
|
2382 |
510fbd28919c
8020151: PSR:PERF Large performance regressions when code cache is filled
anoll
parents:
12322
diff
changeset
|
2383 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
|
2384 status &= verify_interval(NmethodSweepActivity, 0, 2000, "NmethodSweepActivity"); |
510fbd28919c
8020151: PSR:PERF Large performance regressions when code cache is filled
anoll
parents:
12322
diff
changeset
|
2385 |
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
|
2386 if (!FLAG_IS_DEFAULT(CICompilerCount) && !FLAG_IS_DEFAULT(CICompilerCountPerCPU) && CICompilerCountPerCPU) { |
7150b16fda52
8029436: CICompilerCount is not updated when the number of compiler threads is adjusted to the number of CPUs
anoll
parents:
17827
diff
changeset
|
2387 warning("The VM option CICompilerCountPerCPU overrides CICompilerCount."); |
7150b16fda52
8029436: CICompilerCount is not updated when the number of compiler threads is adjusted to the number of CPUs
anoll
parents:
17827
diff
changeset
|
2388 } |
7150b16fda52
8029436: CICompilerCount is not updated when the number of compiler threads is adjusted to the number of CPUs
anoll
parents:
17827
diff
changeset
|
2389 |
0 | 2390 return status; |
2391 } | |
2392 | |
2393 bool Arguments::is_bad_option(const JavaVMOption* option, jboolean ignore, | |
2394 const char* option_type) { | |
2395 if (ignore) return false; | |
2396 | |
2397 const char* spacer = " "; | |
2398 if (option_type == NULL) { | |
2399 option_type = ++spacer; // Set both to the empty string. | |
2400 } | |
2401 | |
2402 if (os::obsolete_option(option)) { | |
2403 jio_fprintf(defaultStream::error_stream(), | |
2404 "Obsolete %s%soption: %s\n", option_type, spacer, | |
2405 option->optionString); | |
2406 return false; | |
2407 } else { | |
2408 jio_fprintf(defaultStream::error_stream(), | |
2409 "Unrecognized %s%soption: %s\n", option_type, spacer, | |
2410 option->optionString); | |
2411 return true; | |
2412 } | |
2413 } | |
2414 | |
2415 static const char* user_assertion_options[] = { | |
2416 "-da", "-ea", "-disableassertions", "-enableassertions", 0 | |
2417 }; | |
2418 | |
2419 static const char* system_assertion_options[] = { | |
2420 "-dsa", "-esa", "-disablesystemassertions", "-enablesystemassertions", 0 | |
2421 }; | |
2422 | |
2423 // Return true if any of the strings in null-terminated array 'names' matches. | |
2424 // If tail_allowed is true, then the tail must begin with a colon; otherwise, | |
2425 // the option must match exactly. | |
2426 static bool match_option(const JavaVMOption* option, const char** names, const char** tail, | |
2427 bool tail_allowed) { | |
2428 for (/* empty */; *names != NULL; ++names) { | |
2429 if (match_option(option, *names, tail)) { | |
2430 if (**tail == '\0' || tail_allowed && **tail == ':') { | |
2431 return true; | |
2432 } | |
2433 } | |
2434 } | |
2435 return false; | |
2436 } | |
2437 | |
1284 | 2438 bool Arguments::parse_uintx(const char* value, |
2439 uintx* uintx_arg, | |
2440 uintx min_size) { | |
2441 | |
2442 // Check the sign first since atomull() parses only unsigned values. | |
2443 bool value_is_positive = !(*value == '-'); | |
2444 | |
2445 if (value_is_positive) { | |
2446 julong n; | |
2447 bool good_return = atomull(value, &n); | |
2448 if (good_return) { | |
2449 bool above_minimum = n >= min_size; | |
2450 bool value_is_too_large = n > max_uintx; | |
2451 | |
2452 if (above_minimum && !value_is_too_large) { | |
2453 *uintx_arg = n; | |
2454 return true; | |
2455 } | |
2456 } | |
2457 } | |
2458 return false; | |
2459 } | |
2460 | |
0 | 2461 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
|
2462 julong* long_arg, |
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
2463 julong min_size) { |
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
2464 if (!atomull(s, long_arg)) return arg_unreadable; |
0 | 2465 return check_memory_size(*long_arg, min_size); |
2466 } | |
2467 | |
2468 // Parse JavaVMInitArgs structure | |
2469 | |
2470 jint Arguments::parse_vm_init_args(const JavaVMInitArgs* args) { | |
2471 // For components of the system classpath. | |
2472 SysClassPath scp(Arguments::get_sysclasspath()); | |
2473 bool scp_assembly_required = false; | |
2474 | |
2475 // Save default settings for some mode flags | |
2476 Arguments::_AlwaysCompileLoopMethods = AlwaysCompileLoopMethods; | |
2477 Arguments::_UseOnStackReplacement = UseOnStackReplacement; | |
2478 Arguments::_ClipInlining = ClipInlining; | |
2479 Arguments::_BackgroundCompilation = BackgroundCompilation; | |
2480 | |
3341
e9b8ef09622a
7041582: set_mode_flags isn't called without -Xmixed specified
never
parents:
3261
diff
changeset
|
2481 // Setup flags for mixed which is the default |
e9b8ef09622a
7041582: set_mode_flags isn't called without -Xmixed specified
never
parents:
3261
diff
changeset
|
2482 set_mode_flags(_mixed); |
e9b8ef09622a
7041582: set_mode_flags isn't called without -Xmixed specified
never
parents:
3261
diff
changeset
|
2483 |
0 | 2484 // Parse JAVA_TOOL_OPTIONS environment variable (if present) |
2485 jint result = parse_java_tool_options_environment_variable(&scp, &scp_assembly_required); | |
2486 if (result != JNI_OK) { | |
2487 return result; | |
2488 } | |
2489 | |
2490 // Parse JavaVMInitArgs structure passed in | |
12322
72b7e96c1922
8024545: make develop and notproduct flag values available in product builds
twisti
parents:
12269
diff
changeset
|
2491 result = parse_each_vm_init_arg(args, &scp, &scp_assembly_required, Flag::COMMAND_LINE); |
0 | 2492 if (result != JNI_OK) { |
2493 return result; | |
2494 } | |
2495 | |
2496 // Parse _JAVA_OPTIONS environment variable (if present) (mimics classic VM) | |
2497 result = parse_java_options_environment_variable(&scp, &scp_assembly_required); | |
2498 if (result != JNI_OK) { | |
2499 return result; | |
2500 } | |
2501 | |
2502 // Do final processing now that all arguments have been parsed | |
2503 result = finalize_vm_init_args(&scp, scp_assembly_required); | |
2504 if (result != JNI_OK) { | |
2505 return result; | |
2506 } | |
2507 | |
2508 return JNI_OK; | |
2509 } | |
2510 | |
10170
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2511 // 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
|
2512 // 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
|
2513 // 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
|
2514 // -agentlib |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2515 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
|
2516 char *_name; |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2517 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
|
2518 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
|
2519 |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2520 if (is_path) { |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2521 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
|
2522 return false; |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2523 } |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2524 |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2525 _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
|
2526 _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
|
2527 |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2528 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
|
2529 return false; |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2530 } |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2531 |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2532 _name += _len_prefix; |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2533 _len_hprof = strlen(_hprof); |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2534 _len_jdwp = strlen(_jdwp); |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2535 |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2536 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
|
2537 _name += _len_hprof; |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2538 } |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2539 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
|
2540 _name += _len_jdwp; |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2541 } |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2542 else { |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2543 return false; |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2544 } |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2545 |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2546 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
|
2547 return false; |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2548 } |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2549 |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2550 return true; |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2551 } |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2552 |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2553 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
|
2554 return true; |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2555 } |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2556 |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2557 return false; |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2558 } |
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2559 |
0 | 2560 jint Arguments::parse_each_vm_init_arg(const JavaVMInitArgs* args, |
2561 SysClassPath* scp_p, | |
2562 bool* scp_assembly_required_p, | |
12322
72b7e96c1922
8024545: make develop and notproduct flag values available in product builds
twisti
parents:
12269
diff
changeset
|
2563 Flag::Flags origin) { |
0 | 2564 // Remaining part of option string |
2565 const char* tail; | |
2566 | |
2567 // iterate over arguments | |
2568 for (int index = 0; index < args->nOptions; index++) { | |
2569 bool is_absolute_path = false; // for -agentpath vs -agentlib | |
2570 | |
2571 const JavaVMOption* option = args->options + index; | |
2572 | |
2573 if (!match_option(option, "-Djava.class.path", &tail) && | |
2574 !match_option(option, "-Dsun.java.command", &tail) && | |
2575 !match_option(option, "-Dsun.java.launcher", &tail)) { | |
2576 | |
2577 // add all jvm options to the jvm_args string. This string | |
2578 // is used later to set the java.vm.args PerfData string constant. | |
2579 // the -Djava.class.path and the -Dsun.java.command options are | |
2580 // omitted from jvm_args string as each have their own PerfData | |
2581 // string constant object. | |
2582 build_jvm_args(option->optionString); | |
2583 } | |
2584 | |
2585 // -verbose:[class/gc/jni] | |
2586 if (match_option(option, "-verbose", &tail)) { | |
2587 if (!strcmp(tail, ":class") || !strcmp(tail, "")) { | |
2588 FLAG_SET_CMDLINE(bool, TraceClassLoading, true); | |
2589 FLAG_SET_CMDLINE(bool, TraceClassUnloading, true); | |
2590 } else if (!strcmp(tail, ":gc")) { | |
2591 FLAG_SET_CMDLINE(bool, PrintGC, true); | |
2592 } else if (!strcmp(tail, ":jni")) { | |
2593 FLAG_SET_CMDLINE(bool, PrintJNIResolving, true); | |
2594 } | |
2595 // -da / -ea / -disableassertions / -enableassertions | |
2596 // These accept an optional class/package name separated by a colon, e.g., | |
2597 // -da:java.lang.Thread. | |
2598 } else if (match_option(option, user_assertion_options, &tail, true)) { | |
2599 bool enable = option->optionString[1] == 'e'; // char after '-' is 'e' | |
2600 if (*tail == '\0') { | |
2601 JavaAssertions::setUserClassDefault(enable); | |
2602 } else { | |
2603 assert(*tail == ':', "bogus match by match_option()"); | |
2604 JavaAssertions::addOption(tail + 1, enable); | |
2605 } | |
2606 // -dsa / -esa / -disablesystemassertions / -enablesystemassertions | |
2607 } else if (match_option(option, system_assertion_options, &tail, false)) { | |
2608 bool enable = option->optionString[1] == 'e'; // char after '-' is 'e' | |
2609 JavaAssertions::setSystemClassDefault(enable); | |
2610 // -bootclasspath: | |
2611 } else if (match_option(option, "-Xbootclasspath:", &tail)) { | |
2612 scp_p->reset_path(tail); | |
2613 *scp_assembly_required_p = true; | |
2614 // -bootclasspath/a: | |
2615 } else if (match_option(option, "-Xbootclasspath/a:", &tail)) { | |
2616 scp_p->add_suffix(tail); | |
2617 *scp_assembly_required_p = true; | |
2618 // -bootclasspath/p: | |
2619 } else if (match_option(option, "-Xbootclasspath/p:", &tail)) { | |
2620 scp_p->add_prefix(tail); | |
2621 *scp_assembly_required_p = true; | |
2622 // -Xrun | |
2623 } else if (match_option(option, "-Xrun", &tail)) { | |
531
40ee984935b9
6792705: Add JAR file to bootclasspath when using AggressiveOpts
phh
parents:
513
diff
changeset
|
2624 if (tail != NULL) { |
0 | 2625 const char* pos = strchr(tail, ':'); |
2626 size_t len = (pos == NULL) ? strlen(tail) : pos - tail; | |
6197 | 2627 char* name = (char*)memcpy(NEW_C_HEAP_ARRAY(char, len + 1, mtInternal), tail, len); |
0 | 2628 name[len] = '\0'; |
2629 | |
2630 char *options = NULL; | |
2631 if(pos != NULL) { | |
2632 size_t len2 = strlen(pos+1) + 1; // options start after ':'. Final zero must be copied. | |
6197 | 2633 options = (char*)memcpy(NEW_C_HEAP_ARRAY(char, len2, mtInternal), pos+1, len2); |
0 | 2634 } |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2635 #if !INCLUDE_JVMTI |
0 | 2636 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
|
2637 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
|
2638 "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
|
2639 return JNI_ERR; |
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
2640 } |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2641 #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
|
2642 add_init_library(name, options); |
0 | 2643 } |
2644 // -agentlib and -agentpath | |
2645 } else if (match_option(option, "-agentlib:", &tail) || | |
2646 (is_absolute_path = match_option(option, "-agentpath:", &tail))) { | |
2647 if(tail != NULL) { | |
2648 const char* pos = strchr(tail, '='); | |
2649 size_t len = (pos == NULL) ? strlen(tail) : pos - tail; | |
6197 | 2650 char* name = strncpy(NEW_C_HEAP_ARRAY(char, len + 1, mtInternal), tail, len); |
0 | 2651 name[len] = '\0'; |
2652 | |
2653 char *options = NULL; | |
2654 if(pos != NULL) { | |
6197 | 2655 options = strcpy(NEW_C_HEAP_ARRAY(char, strlen(pos + 1) + 1, mtInternal), pos + 1); |
0 | 2656 } |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2657 #if !INCLUDE_JVMTI |
10170
3c0584fec1e6
8010428: Special -agentpath checks needed with minimal VM to produce proper error message
dholmes
parents:
9077
diff
changeset
|
2658 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
|
2659 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
|
2660 "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
|
2661 return JNI_ERR; |
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
2662 } |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2663 #endif // !INCLUDE_JVMTI |
0 | 2664 add_init_agent(name, options, is_absolute_path); |
2665 } | |
2666 // -javaagent | |
2667 } else if (match_option(option, "-javaagent:", &tail)) { | |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2668 #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
|
2669 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
|
2670 "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
|
2671 return JNI_ERR; |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2672 #else |
0 | 2673 if(tail != NULL) { |
6197 | 2674 char *options = strcpy(NEW_C_HEAP_ARRAY(char, strlen(tail) + 1, mtInternal), tail); |
0 | 2675 add_init_agent("instrument", options, false); |
2676 } | |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2677 #endif // !INCLUDE_JVMTI |
0 | 2678 // -Xnoclassgc |
2679 } else if (match_option(option, "-Xnoclassgc", &tail)) { | |
2680 FLAG_SET_CMDLINE(bool, ClassUnloading, false); | |
2681 // -Xincgc: i-CMS | |
2682 } else if (match_option(option, "-Xincgc", &tail)) { | |
2683 FLAG_SET_CMDLINE(bool, UseConcMarkSweepGC, true); | |
2684 FLAG_SET_CMDLINE(bool, CMSIncrementalMode, true); | |
2685 // -Xnoincgc: no i-CMS | |
2686 } else if (match_option(option, "-Xnoincgc", &tail)) { | |
2687 FLAG_SET_CMDLINE(bool, UseConcMarkSweepGC, false); | |
2688 FLAG_SET_CMDLINE(bool, CMSIncrementalMode, false); | |
2689 // -Xconcgc | |
2690 } else if (match_option(option, "-Xconcgc", &tail)) { | |
2691 FLAG_SET_CMDLINE(bool, UseConcMarkSweepGC, true); | |
2692 // -Xnoconcgc | |
2693 } else if (match_option(option, "-Xnoconcgc", &tail)) { | |
2694 FLAG_SET_CMDLINE(bool, UseConcMarkSweepGC, false); | |
2695 // -Xbatch | |
2696 } else if (match_option(option, "-Xbatch", &tail)) { | |
2697 FLAG_SET_CMDLINE(bool, BackgroundCompilation, false); | |
2698 // -Xmn for compatibility with other JVM vendors | |
2699 } else if (match_option(option, "-Xmn", &tail)) { | |
12831 | 2700 julong long_initial_young_size = 0; |
2701 ArgsRange errcode = parse_memory_size(tail, &long_initial_young_size, 1); | |
0 | 2702 if (errcode != arg_in_range) { |
2703 jio_fprintf(defaultStream::error_stream(), | |
12831 | 2704 "Invalid initial young generation size: %s\n", option->optionString); |
0 | 2705 describe_range_error(errcode); |
2706 return JNI_EINVAL; | |
2707 } | |
12831 | 2708 FLAG_SET_CMDLINE(uintx, MaxNewSize, (uintx)long_initial_young_size); |
2709 FLAG_SET_CMDLINE(uintx, NewSize, (uintx)long_initial_young_size); | |
0 | 2710 // -Xms |
2711 } else if (match_option(option, "-Xms", &tail)) { | |
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
2712 julong long_initial_heap_size = 0; |
10241
d17700c82d7d
8006088: Incompatible heap size flags accepted by VM
tschatzl
parents:
10240
diff
changeset
|
2713 // an initial heap size of 0 means automatically determine |
d17700c82d7d
8006088: Incompatible heap size flags accepted by VM
tschatzl
parents:
10240
diff
changeset
|
2714 ArgsRange errcode = parse_memory_size(tail, &long_initial_heap_size, 0); |
0 | 2715 if (errcode != arg_in_range) { |
2716 jio_fprintf(defaultStream::error_stream(), | |
2717 "Invalid initial heap size: %s\n", option->optionString); | |
2718 describe_range_error(errcode); | |
2719 return JNI_EINVAL; | |
2720 } | |
13059
46d7652b223c
8026853: Prepare GC code for collector policy regression fix
jwilhelm
parents:
13008
diff
changeset
|
2721 set_min_heap_size((uintx)long_initial_heap_size); |
0 | 2722 // 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
|
2723 // Can be overridden with -XX:InitialHeapSize. |
46d7652b223c
8026853: Prepare GC code for collector policy regression fix
jwilhelm
parents:
13008
diff
changeset
|
2724 FLAG_SET_CMDLINE(uintx, InitialHeapSize, (uintx)long_initial_heap_size); |
0 | 2725 // -Xmx |
10241
d17700c82d7d
8006088: Incompatible heap size flags accepted by VM
tschatzl
parents:
10240
diff
changeset
|
2726 } 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
|
2727 julong long_max_heap_size = 0; |
0 | 2728 ArgsRange errcode = parse_memory_size(tail, &long_max_heap_size, 1); |
2729 if (errcode != arg_in_range) { | |
2730 jio_fprintf(defaultStream::error_stream(), | |
2731 "Invalid maximum heap size: %s\n", option->optionString); | |
2732 describe_range_error(errcode); | |
2733 return JNI_EINVAL; | |
2734 } | |
1064 | 2735 FLAG_SET_CMDLINE(uintx, MaxHeapSize, (uintx)long_max_heap_size); |
0 | 2736 // Xmaxf |
2737 } 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
|
2738 char* err; |
027006a47a6d
8025661: Ill-formed -Xminf and -Xmaxf options values interpreted as 0
sjohanss
parents:
12840
diff
changeset
|
2739 int maxf = (int)(strtod(tail, &err) * 100); |
17648
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
2740 if (*err != '\0' || *tail == '\0' || maxf < 0 || maxf > 100) { |
0 | 2741 jio_fprintf(defaultStream::error_stream(), |
2742 "Bad max heap free percentage size: %s\n", | |
2743 option->optionString); | |
2744 return JNI_EINVAL; | |
2745 } else { | |
2746 FLAG_SET_CMDLINE(uintx, MaxHeapFreeRatio, maxf); | |
2747 } | |
2748 // Xminf | |
2749 } 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
|
2750 char* err; |
027006a47a6d
8025661: Ill-formed -Xminf and -Xmaxf options values interpreted as 0
sjohanss
parents:
12840
diff
changeset
|
2751 int minf = (int)(strtod(tail, &err) * 100); |
17648
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
2752 if (*err != '\0' || *tail == '\0' || minf < 0 || minf > 100) { |
0 | 2753 jio_fprintf(defaultStream::error_stream(), |
2754 "Bad min heap free percentage size: %s\n", | |
2755 option->optionString); | |
2756 return JNI_EINVAL; | |
2757 } else { | |
2758 FLAG_SET_CMDLINE(uintx, MinHeapFreeRatio, minf); | |
2759 } | |
2760 // -Xss | |
2761 } else if (match_option(option, "-Xss", &tail)) { | |
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
2762 julong long_ThreadStackSize = 0; |
0 | 2763 ArgsRange errcode = parse_memory_size(tail, &long_ThreadStackSize, 1000); |
2764 if (errcode != arg_in_range) { | |
2765 jio_fprintf(defaultStream::error_stream(), | |
2766 "Invalid thread stack size: %s\n", option->optionString); | |
2767 describe_range_error(errcode); | |
2768 return JNI_EINVAL; | |
2769 } | |
2770 // Internally track ThreadStackSize in units of 1024 bytes. | |
2771 FLAG_SET_CMDLINE(intx, ThreadStackSize, | |
2772 round_to((int)long_ThreadStackSize, K) / K); | |
2773 // -Xoss | |
2774 } else if (match_option(option, "-Xoss", &tail)) { | |
2775 // 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
|
2776 } 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
|
2777 julong long_CodeCacheExpansionSize = 0; |
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2778 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
|
2779 if (errcode != arg_in_range) { |
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2780 jio_fprintf(defaultStream::error_stream(), |
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2781 "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
|
2782 os::vm_page_size()/K); |
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2783 return JNI_EINVAL; |
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2784 } |
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2785 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
|
2786 } 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
|
2787 match_option(option, "-XX:ReservedCodeCacheSize=", &tail)) { |
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
2788 julong long_ReservedCodeCacheSize = 0; |
11079
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
11006
diff
changeset
|
2789 |
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
|
2790 ArgsRange errcode = parse_memory_size(tail, &long_ReservedCodeCacheSize, 1); |
0 | 2791 if (errcode != arg_in_range) { |
2792 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
|
2793 "Invalid maximum code cache size: %s.\n", option->optionString); |
0 | 2794 return JNI_EINVAL; |
2795 } | |
2796 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
|
2797 //-XX:IncreaseFirstTierCompileThresholdAt= |
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
parents:
10294
diff
changeset
|
2798 } 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
|
2799 uintx uint_IncreaseFirstTierCompileThresholdAt = 0; |
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
parents:
10294
diff
changeset
|
2800 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
|
2801 jio_fprintf(defaultStream::error_stream(), |
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
parents:
10294
diff
changeset
|
2802 "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
|
2803 option->optionString); |
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
parents:
10294
diff
changeset
|
2804 return JNI_EINVAL; |
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
parents:
10294
diff
changeset
|
2805 } |
91eba9f82325
8012371: Adjust Tiered compile threshold according to available space in code cache
anoll
parents:
10294
diff
changeset
|
2806 FLAG_SET_CMDLINE(uintx, IncreaseFirstTierCompileThresholdAt, (uintx)uint_IncreaseFirstTierCompileThresholdAt); |
0 | 2807 // -green |
2808 } else if (match_option(option, "-green", &tail)) { | |
2809 jio_fprintf(defaultStream::error_stream(), | |
2810 "Green threads support not available\n"); | |
2811 return JNI_EINVAL; | |
2812 // -native | |
2813 } else if (match_option(option, "-native", &tail)) { | |
2814 // HotSpot always uses native threads, ignore silently for compatibility | |
2815 // -Xsqnopause | |
2816 } else if (match_option(option, "-Xsqnopause", &tail)) { | |
2817 // EVM option, ignore silently for compatibility | |
2818 // -Xrs | |
2819 } else if (match_option(option, "-Xrs", &tail)) { | |
2820 // Classic/EVM option, new functionality | |
2821 FLAG_SET_CMDLINE(bool, ReduceSignalUsage, true); | |
2822 } else if (match_option(option, "-Xusealtsigs", &tail)) { | |
2823 // change default internal VM signals used - lower case for back compat | |
2824 FLAG_SET_CMDLINE(bool, UseAltSigs, true); | |
2825 // -Xoptimize | |
2826 } else if (match_option(option, "-Xoptimize", &tail)) { | |
2827 // EVM option, ignore silently for compatibility | |
2828 // -Xprof | |
2829 } else if (match_option(option, "-Xprof", &tail)) { | |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2830 #if INCLUDE_FPROF |
0 | 2831 _has_profile = true; |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2832 #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
|
2833 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
|
2834 "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
|
2835 return JNI_ERR; |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2836 #endif // INCLUDE_FPROF |
0 | 2837 // -Xconcurrentio |
2838 } else if (match_option(option, "-Xconcurrentio", &tail)) { | |
2839 FLAG_SET_CMDLINE(bool, UseLWPSynchronization, true); | |
2840 FLAG_SET_CMDLINE(bool, BackgroundCompilation, false); | |
2841 FLAG_SET_CMDLINE(intx, DeferThrSuspendLoopCount, 1); | |
2842 FLAG_SET_CMDLINE(bool, UseTLAB, false); | |
2843 FLAG_SET_CMDLINE(uintx, NewSizeThreadIncrease, 16 * K); // 20Kb per thread added to new generation | |
2844 | |
2845 // -Xinternalversion | |
2846 } else if (match_option(option, "-Xinternalversion", &tail)) { | |
2847 jio_fprintf(defaultStream::output_stream(), "%s\n", | |
2848 VM_Version::internal_vm_info_string()); | |
2849 vm_exit(0); | |
2850 #ifndef PRODUCT | |
2851 // -Xprintflags | |
2852 } else if (match_option(option, "-Xprintflags", &tail)) { | |
4773 | 2853 CommandLineFlags::printFlags(tty, false); |
0 | 2854 vm_exit(0); |
2855 #endif | |
2856 // -D | |
2857 } else if (match_option(option, "-D", &tail)) { | |
2858 if (!add_property(tail)) { | |
2859 return JNI_ENOMEM; | |
2860 } | |
2861 // Out of the box management support | |
2862 if (match_option(option, "-Dcom.sun.management", &tail)) { | |
8081
579f6adb7f51
8003539: Minimal VM don't react to -Dcom.sun.management and -XX:+ManagementServer
jprovino
parents:
8002
diff
changeset
|
2863 #if INCLUDE_MANAGEMENT |
0 | 2864 FLAG_SET_CMDLINE(bool, ManagementServer, true); |
8081
579f6adb7f51
8003539: Minimal VM don't react to -Dcom.sun.management and -XX:+ManagementServer
jprovino
parents:
8002
diff
changeset
|
2865 #else |
8720
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
2866 jio_fprintf(defaultStream::output_stream(), |
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
2867 "-Dcom.sun.management is not supported in this VM.\n"); |
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
2868 return JNI_ERR; |
8081
579f6adb7f51
8003539: Minimal VM don't react to -Dcom.sun.management and -XX:+ManagementServer
jprovino
parents:
8002
diff
changeset
|
2869 #endif |
0 | 2870 } |
2871 // -Xint | |
2872 } else if (match_option(option, "-Xint", &tail)) { | |
2873 set_mode_flags(_int); | |
2874 // -Xmixed | |
2875 } else if (match_option(option, "-Xmixed", &tail)) { | |
2876 set_mode_flags(_mixed); | |
2877 // -Xcomp | |
2878 } else if (match_option(option, "-Xcomp", &tail)) { | |
2879 // for testing the compiler; turn off all flags that inhibit compilation | |
2880 set_mode_flags(_comp); | |
2881 // -Xshare:dump | |
2882 } else if (match_option(option, "-Xshare:dump", &tail)) { | |
2883 FLAG_SET_CMDLINE(bool, DumpSharedSpaces, true); | |
2884 set_mode_flags(_int); // Prevent compilation, which creates objects | |
2885 // -Xshare:on | |
2886 } else if (match_option(option, "-Xshare:on", &tail)) { | |
2887 FLAG_SET_CMDLINE(bool, UseSharedSpaces, true); | |
2888 FLAG_SET_CMDLINE(bool, RequireSharedSpaces, true); | |
2889 // -Xshare:auto | |
2890 } else if (match_option(option, "-Xshare:auto", &tail)) { | |
2891 FLAG_SET_CMDLINE(bool, UseSharedSpaces, true); | |
2892 FLAG_SET_CMDLINE(bool, RequireSharedSpaces, false); | |
2893 // -Xshare:off | |
2894 } else if (match_option(option, "-Xshare:off", &tail)) { | |
2895 FLAG_SET_CMDLINE(bool, UseSharedSpaces, false); | |
2896 FLAG_SET_CMDLINE(bool, RequireSharedSpaces, false); | |
2897 // -Xverify | |
2898 } else if (match_option(option, "-Xverify", &tail)) { | |
2899 if (strcmp(tail, ":all") == 0 || strcmp(tail, "") == 0) { | |
2900 FLAG_SET_CMDLINE(bool, BytecodeVerificationLocal, true); | |
2901 FLAG_SET_CMDLINE(bool, BytecodeVerificationRemote, true); | |
2902 } else if (strcmp(tail, ":remote") == 0) { | |
2903 FLAG_SET_CMDLINE(bool, BytecodeVerificationLocal, false); | |
2904 FLAG_SET_CMDLINE(bool, BytecodeVerificationRemote, true); | |
2905 } else if (strcmp(tail, ":none") == 0) { | |
2906 FLAG_SET_CMDLINE(bool, BytecodeVerificationLocal, false); | |
2907 FLAG_SET_CMDLINE(bool, BytecodeVerificationRemote, false); | |
2908 } else if (is_bad_option(option, args->ignoreUnrecognized, "verification")) { | |
2909 return JNI_EINVAL; | |
2910 } | |
2911 // -Xdebug | |
2912 } else if (match_option(option, "-Xdebug", &tail)) { | |
2913 // note this flag has been used, then ignore | |
2914 set_xdebug_mode(true); | |
2915 // -Xnoagent | |
2916 } else if (match_option(option, "-Xnoagent", &tail)) { | |
2917 // For compatibility with classic. HotSpot refuses to load the old style agent.dll. | |
2918 } else if (match_option(option, "-Xboundthreads", &tail)) { | |
2919 // Bind user level threads to kernel threads (Solaris only) | |
2920 FLAG_SET_CMDLINE(bool, UseBoundThreads, true); | |
2921 } else if (match_option(option, "-Xloggc:", &tail)) { | |
2922 // Redirect GC output to the file. -Xloggc:<filename> | |
2923 // ostream_init_log(), when called will use this filename | |
2924 // to initialize a fileStream. | |
2925 _gc_log_filename = strdup(tail); | |
12215 | 2926 if (!is_filename_valid(_gc_log_filename)) { |
2927 jio_fprintf(defaultStream::output_stream(), | |
2928 "Invalid file name for use with -Xloggc: Filename can only contain the " | |
2929 "characters [A-Z][a-z][0-9]-_.%%[p|t] but it has been %s\n" | |
2930 "Note %%p or %%t can only be used once\n", _gc_log_filename); | |
2931 return JNI_EINVAL; | |
2932 } | |
0 | 2933 FLAG_SET_CMDLINE(bool, PrintGC, true); |
2934 FLAG_SET_CMDLINE(bool, PrintGCTimeStamps, true); | |
2935 | |
2936 // JNI hooks | |
2937 } else if (match_option(option, "-Xcheck", &tail)) { | |
2938 if (!strcmp(tail, ":jni")) { | |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2939 #if !INCLUDE_JNI_CHECK |
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2940 warning("JNI CHECKING is not supported in this VM"); |
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2941 #else |
0 | 2942 CheckJNICalls = true; |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2943 #endif // INCLUDE_JNI_CHECK |
0 | 2944 } else if (is_bad_option(option, args->ignoreUnrecognized, |
2945 "check")) { | |
2946 return JNI_EINVAL; | |
2947 } | |
2948 } else if (match_option(option, "vfprintf", &tail)) { | |
2949 _vfprintf_hook = CAST_TO_FN_PTR(vfprintf_hook_t, option->extraInfo); | |
2950 } else if (match_option(option, "exit", &tail)) { | |
2951 _exit_hook = CAST_TO_FN_PTR(exit_hook_t, option->extraInfo); | |
2952 } else if (match_option(option, "abort", &tail)) { | |
2953 _abort_hook = CAST_TO_FN_PTR(abort_hook_t, option->extraInfo); | |
2954 // -XX:+AggressiveHeap | |
2955 } else if (match_option(option, "-XX:+AggressiveHeap", &tail)) { | |
2956 | |
2957 // This option inspects the machine and attempts to set various | |
2958 // parameters to be optimal for long-running, memory allocation | |
2959 // intensive jobs. It is intended for machines with large | |
2960 // amounts of cpu and memory. | |
2961 | |
2962 // initHeapSize is needed since _initial_heap_size is 4 bytes on a 32 bit | |
2963 // VM, but we may not be able to represent the total physical memory | |
2964 // available (like having 8gb of memory on a box but using a 32bit VM). | |
2965 // Thus, we need to make sure we're using a julong for intermediate | |
2966 // calculations. | |
2967 julong initHeapSize; | |
2968 julong total_memory = os::physical_memory(); | |
2969 | |
2970 if (total_memory < (julong)256*M) { | |
2971 jio_fprintf(defaultStream::error_stream(), | |
2972 "You need at least 256mb of memory to use -XX:+AggressiveHeap\n"); | |
2973 vm_exit(1); | |
2974 } | |
2975 | |
2976 // The heap size is half of available memory, or (at most) | |
2977 // all of possible memory less 160mb (leaving room for the OS | |
2978 // when using ISM). This is the maximum; because adaptive sizing | |
2979 // is turned on below, the actual space used may be smaller. | |
2980 | |
2981 initHeapSize = MIN2(total_memory / (julong)2, | |
2982 total_memory - (julong)160*M); | |
2983 | |
8854
754c24457b20
7112912: Message "Error occurred during initialization of VM" on boxes with lots of RAM
tschatzl
parents:
8824
diff
changeset
|
2984 initHeapSize = limit_by_allocatable_memory(initHeapSize); |
0 | 2985 |
2986 if (FLAG_IS_DEFAULT(MaxHeapSize)) { | |
2987 FLAG_SET_CMDLINE(uintx, MaxHeapSize, initHeapSize); | |
1064 | 2988 FLAG_SET_CMDLINE(uintx, InitialHeapSize, initHeapSize); |
0 | 2989 // Currently the minimum size and the initial heap sizes are the same. |
1064 | 2990 set_min_heap_size(initHeapSize); |
0 | 2991 } |
2992 if (FLAG_IS_DEFAULT(NewSize)) { | |
2993 // Make the young generation 3/8ths of the total heap. | |
2994 FLAG_SET_CMDLINE(uintx, NewSize, | |
2995 ((julong)MaxHeapSize / (julong)8) * (julong)3); | |
2996 FLAG_SET_CMDLINE(uintx, MaxNewSize, NewSize); | |
2997 } | |
2998 | |
6917
e81fbc04a942
7191817: -XX:+UseSerialGC -XX:+UseLargePages crashes with SIGFPE on MacOS X
coleenp
parents:
6916
diff
changeset
|
2999 #ifndef _ALLBSD_SOURCE // UseLargePages is not yet supported on BSD. |
0 | 3000 FLAG_SET_DEFAULT(UseLargePages, true); |
6917
e81fbc04a942
7191817: -XX:+UseSerialGC -XX:+UseLargePages crashes with SIGFPE on MacOS X
coleenp
parents:
6916
diff
changeset
|
3001 #endif |
0 | 3002 |
3003 // Increase some data structure sizes for efficiency | |
3004 FLAG_SET_CMDLINE(uintx, BaseFootPrintEstimate, MaxHeapSize); | |
3005 FLAG_SET_CMDLINE(bool, ResizeTLAB, false); | |
3006 FLAG_SET_CMDLINE(uintx, TLABSize, 256*K); | |
3007 | |
3008 // See the OldPLABSize comment below, but replace 'after promotion' | |
3009 // with 'after copying'. YoungPLABSize is the size of the survivor | |
3010 // space per-gc-thread buffers. The default is 4kw. | |
3011 FLAG_SET_CMDLINE(uintx, YoungPLABSize, 256*K); // Note: this is in words | |
3012 | |
3013 // OldPLABSize is the size of the buffers in the old gen that | |
3014 // UseParallelGC uses to promote live data that doesn't fit in the | |
3015 // survivor spaces. At any given time, there's one for each gc thread. | |
3016 // The default size is 1kw. These buffers are rarely used, since the | |
3017 // survivor spaces are usually big enough. For specjbb, however, there | |
3018 // are occasions when there's lots of live data in the young gen | |
3019 // and we end up promoting some of it. We don't have a definite | |
3020 // explanation for why bumping OldPLABSize helps, but the theory | |
3021 // is that a bigger PLAB results in retaining something like the | |
3022 // original allocation order after promotion, which improves mutator | |
3023 // locality. A minor effect may be that larger PLABs reduce the | |
3024 // number of PLAB allocation events during gc. The value of 8kw | |
3025 // was arrived at by experimenting with specjbb. | |
3026 FLAG_SET_CMDLINE(uintx, OldPLABSize, 8*K); // Note: this is in words | |
3027 | |
3028 // Enable parallel GC and adaptive generation sizing | |
3029 FLAG_SET_CMDLINE(bool, UseParallelGC, true); | |
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
3030 FLAG_SET_DEFAULT(ParallelGCThreads, |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
3031 Abstract_VM_Version::parallel_worker_threads()); |
0 | 3032 |
3033 // Encourage steady state memory management | |
3034 FLAG_SET_CMDLINE(uintx, ThresholdTolerance, 100); | |
3035 | |
3036 // This appears to improve mutator locality | |
3037 FLAG_SET_CMDLINE(bool, ScavengeBeforeFullGC, false); | |
3038 | |
3039 // Get around early Solaris scheduling bug | |
3040 // (affinity vs other jobs on system) | |
3041 // but disallow DR and offlining (5008695). | |
3042 FLAG_SET_CMDLINE(bool, BindGCTaskThreadsToCPUs, true); | |
3043 | |
3044 } else if (match_option(option, "-XX:+NeverTenure", &tail)) { | |
3045 // The last option must always win. | |
3046 FLAG_SET_CMDLINE(bool, AlwaysTenure, false); | |
3047 FLAG_SET_CMDLINE(bool, NeverTenure, true); | |
3048 } else if (match_option(option, "-XX:+AlwaysTenure", &tail)) { | |
3049 // The last option must always win. | |
3050 FLAG_SET_CMDLINE(bool, NeverTenure, false); | |
3051 FLAG_SET_CMDLINE(bool, AlwaysTenure, true); | |
3052 } else if (match_option(option, "-XX:+CMSPermGenSweepingEnabled", &tail) || | |
3053 match_option(option, "-XX:-CMSPermGenSweepingEnabled", &tail)) { | |
3054 jio_fprintf(defaultStream::error_stream(), | |
3055 "Please use CMSClassUnloadingEnabled in place of " | |
3056 "CMSPermGenSweepingEnabled in the future\n"); | |
3057 } else if (match_option(option, "-XX:+UseGCTimeLimit", &tail)) { | |
3058 FLAG_SET_CMDLINE(bool, UseGCOverheadLimit, true); | |
3059 jio_fprintf(defaultStream::error_stream(), | |
3060 "Please use -XX:+UseGCOverheadLimit in place of " | |
3061 "-XX:+UseGCTimeLimit in the future\n"); | |
3062 } else if (match_option(option, "-XX:-UseGCTimeLimit", &tail)) { | |
3063 FLAG_SET_CMDLINE(bool, UseGCOverheadLimit, false); | |
3064 jio_fprintf(defaultStream::error_stream(), | |
3065 "Please use -XX:-UseGCOverheadLimit in place of " | |
3066 "-XX:-UseGCTimeLimit in the future\n"); | |
3067 // The TLE options are for compatibility with 1.3 and will be | |
3068 // removed without notice in a future release. These options | |
3069 // are not to be documented. | |
3070 } else if (match_option(option, "-XX:MaxTLERatio=", &tail)) { | |
3071 // No longer used. | |
3072 } else if (match_option(option, "-XX:+ResizeTLE", &tail)) { | |
3073 FLAG_SET_CMDLINE(bool, ResizeTLAB, true); | |
3074 } else if (match_option(option, "-XX:-ResizeTLE", &tail)) { | |
3075 FLAG_SET_CMDLINE(bool, ResizeTLAB, false); | |
3076 } else if (match_option(option, "-XX:+PrintTLE", &tail)) { | |
3077 FLAG_SET_CMDLINE(bool, PrintTLAB, true); | |
3078 } else if (match_option(option, "-XX:-PrintTLE", &tail)) { | |
3079 FLAG_SET_CMDLINE(bool, PrintTLAB, false); | |
3080 } else if (match_option(option, "-XX:TLEFragmentationRatio=", &tail)) { | |
3081 // No longer used. | |
3082 } else if (match_option(option, "-XX:TLESize=", &tail)) { | |
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
3083 julong long_tlab_size = 0; |
0 | 3084 ArgsRange errcode = parse_memory_size(tail, &long_tlab_size, 1); |
3085 if (errcode != arg_in_range) { | |
3086 jio_fprintf(defaultStream::error_stream(), | |
3087 "Invalid TLAB size: %s\n", option->optionString); | |
3088 describe_range_error(errcode); | |
3089 return JNI_EINVAL; | |
3090 } | |
3091 FLAG_SET_CMDLINE(uintx, TLABSize, long_tlab_size); | |
3092 } else if (match_option(option, "-XX:TLEThreadRatio=", &tail)) { | |
3093 // No longer used. | |
3094 } else if (match_option(option, "-XX:+UseTLE", &tail)) { | |
3095 FLAG_SET_CMDLINE(bool, UseTLAB, true); | |
3096 } else if (match_option(option, "-XX:-UseTLE", &tail)) { | |
3097 FLAG_SET_CMDLINE(bool, UseTLAB, false); | |
3098 } else if (match_option(option, "-XX:+DisplayVMOutputToStderr", &tail)) { | |
3099 FLAG_SET_CMDLINE(bool, DisplayVMOutputToStdout, false); | |
3100 FLAG_SET_CMDLINE(bool, DisplayVMOutputToStderr, true); | |
3101 } else if (match_option(option, "-XX:+DisplayVMOutputToStdout", &tail)) { | |
3102 FLAG_SET_CMDLINE(bool, DisplayVMOutputToStderr, false); | |
3103 FLAG_SET_CMDLINE(bool, DisplayVMOutputToStdout, true); | |
3104 } else if (match_option(option, "-XX:+ExtendedDTraceProbes", &tail)) { | |
4006 | 3105 #if defined(DTRACE_ENABLED) |
0 | 3106 FLAG_SET_CMDLINE(bool, ExtendedDTraceProbes, true); |
3107 FLAG_SET_CMDLINE(bool, DTraceMethodProbes, true); | |
3108 FLAG_SET_CMDLINE(bool, DTraceAllocProbes, true); | |
3109 FLAG_SET_CMDLINE(bool, DTraceMonitorProbes, true); | |
4006 | 3110 #else // defined(DTRACE_ENABLED) |
0 | 3111 jio_fprintf(defaultStream::error_stream(), |
4006 | 3112 "ExtendedDTraceProbes flag is not applicable for this configuration\n"); |
0 | 3113 return JNI_EINVAL; |
4006 | 3114 #endif // defined(DTRACE_ENABLED) |
0 | 3115 #ifdef ASSERT |
1145
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3116 } else if (match_option(option, "-XX:+FullGCALot", &tail)) { |
0 | 3117 FLAG_SET_CMDLINE(bool, FullGCALot, true); |
3118 // disable scavenge before parallel mark-compact | |
3119 FLAG_SET_CMDLINE(bool, ScavengeBeforeFullGC, false); | |
3120 #endif | |
1145
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3121 } else if (match_option(option, "-XX:CMSParPromoteBlocksToClaim=", &tail)) { |
0 | 3122 julong cms_blocks_to_claim = (julong)atol(tail); |
3123 FLAG_SET_CMDLINE(uintx, CMSParPromoteBlocksToClaim, cms_blocks_to_claim); | |
3124 jio_fprintf(defaultStream::error_stream(), | |
1145
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3125 "Please use -XX:OldPLABSize in place of " |
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3126 "-XX:CMSParPromoteBlocksToClaim in the future\n"); |
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3127 } else if (match_option(option, "-XX:ParCMSPromoteBlocksToClaim=", &tail)) { |
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3128 julong cms_blocks_to_claim = (julong)atol(tail); |
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3129 FLAG_SET_CMDLINE(uintx, CMSParPromoteBlocksToClaim, cms_blocks_to_claim); |
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3130 jio_fprintf(defaultStream::error_stream(), |
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3131 "Please use -XX:OldPLABSize in place of " |
0 | 3132 "-XX:ParCMSPromoteBlocksToClaim in the future\n"); |
1145
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3133 } else if (match_option(option, "-XX:ParallelGCOldGenAllocBufferSize=", &tail)) { |
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
3134 julong old_plab_size = 0; |
0 | 3135 ArgsRange errcode = parse_memory_size(tail, &old_plab_size, 1); |
3136 if (errcode != arg_in_range) { | |
3137 jio_fprintf(defaultStream::error_stream(), | |
3138 "Invalid old PLAB size: %s\n", option->optionString); | |
3139 describe_range_error(errcode); | |
3140 return JNI_EINVAL; | |
3141 } | |
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
3142 FLAG_SET_CMDLINE(uintx, OldPLABSize, old_plab_size); |
0 | 3143 jio_fprintf(defaultStream::error_stream(), |
3144 "Please use -XX:OldPLABSize in place of " | |
3145 "-XX:ParallelGCOldGenAllocBufferSize in the future\n"); | |
1145
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3146 } else if (match_option(option, "-XX:ParallelGCToSpaceAllocBufferSize=", &tail)) { |
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
3147 julong young_plab_size = 0; |
0 | 3148 ArgsRange errcode = parse_memory_size(tail, &young_plab_size, 1); |
3149 if (errcode != arg_in_range) { | |
3150 jio_fprintf(defaultStream::error_stream(), | |
3151 "Invalid young PLAB size: %s\n", option->optionString); | |
3152 describe_range_error(errcode); | |
3153 return JNI_EINVAL; | |
3154 } | |
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
3155 FLAG_SET_CMDLINE(uintx, YoungPLABSize, young_plab_size); |
0 | 3156 jio_fprintf(defaultStream::error_stream(), |
3157 "Please use -XX:YoungPLABSize in place of " | |
3158 "-XX:ParallelGCToSpaceAllocBufferSize in the future\n"); | |
1284 | 3159 } else if (match_option(option, "-XX:CMSMarkStackSize=", &tail) || |
3160 match_option(option, "-XX:G1MarkStackSize=", &tail)) { | |
3161 julong stack_size = 0; | |
3162 ArgsRange errcode = parse_memory_size(tail, &stack_size, 1); | |
3163 if (errcode != arg_in_range) { | |
3164 jio_fprintf(defaultStream::error_stream(), | |
3165 "Invalid mark stack size: %s\n", option->optionString); | |
3166 describe_range_error(errcode); | |
3167 return JNI_EINVAL; | |
3168 } | |
3169 FLAG_SET_CMDLINE(uintx, MarkStackSize, stack_size); | |
3170 } else if (match_option(option, "-XX:CMSMarkStackSizeMax=", &tail)) { | |
3171 julong max_stack_size = 0; | |
3172 ArgsRange errcode = parse_memory_size(tail, &max_stack_size, 1); | |
3173 if (errcode != arg_in_range) { | |
3174 jio_fprintf(defaultStream::error_stream(), | |
3175 "Invalid maximum mark stack size: %s\n", | |
3176 option->optionString); | |
3177 describe_range_error(errcode); | |
3178 return JNI_EINVAL; | |
3179 } | |
3180 FLAG_SET_CMDLINE(uintx, MarkStackSizeMax, max_stack_size); | |
3181 } else if (match_option(option, "-XX:ParallelMarkingThreads=", &tail) || | |
3182 match_option(option, "-XX:ParallelCMSThreads=", &tail)) { | |
3183 uintx conc_threads = 0; | |
3184 if (!parse_uintx(tail, &conc_threads, 1)) { | |
3185 jio_fprintf(defaultStream::error_stream(), | |
3186 "Invalid concurrent threads: %s\n", option->optionString); | |
3187 return JNI_EINVAL; | |
3188 } | |
3189 FLAG_SET_CMDLINE(uintx, ConcGCThreads, conc_threads); | |
6199
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3190 } else if (match_option(option, "-XX:MaxDirectMemorySize=", &tail)) { |
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3191 julong max_direct_memory_size = 0; |
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3192 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
|
3193 if (errcode != arg_in_range) { |
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3194 jio_fprintf(defaultStream::error_stream(), |
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3195 "Invalid maximum direct memory size: %s\n", |
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3196 option->optionString); |
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3197 describe_range_error(errcode); |
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3198 return JNI_EINVAL; |
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3199 } |
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
3200 FLAG_SET_CMDLINE(uintx, MaxDirectMemorySize, max_direct_memory_size); |
6878
85916677fc22
7188233: UseVMInterruptibleIO flag deprecate for JDK8
coleenp
parents:
6857
diff
changeset
|
3201 } else if (match_option(option, "-XX:+UseVMInterruptibleIO", &tail)) { |
85916677fc22
7188233: UseVMInterruptibleIO flag deprecate for JDK8
coleenp
parents:
6857
diff
changeset
|
3202 // NOTE! In JDK 9, the UseVMInterruptibleIO flag will completely go |
85916677fc22
7188233: UseVMInterruptibleIO flag deprecate for JDK8
coleenp
parents:
6857
diff
changeset
|
3203 // away and will cause VM initialization failures! |
85916677fc22
7188233: UseVMInterruptibleIO flag deprecate for JDK8
coleenp
parents:
6857
diff
changeset
|
3204 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
|
3205 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
|
3206 #if !INCLUDE_MANAGEMENT |
579f6adb7f51
8003539: Minimal VM don't react to -Dcom.sun.management and -XX:+ManagementServer
jprovino
parents:
8002
diff
changeset
|
3207 } 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
|
3208 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
|
3209 "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
|
3210 return JNI_ERR; |
8081
579f6adb7f51
8003539: Minimal VM don't react to -Dcom.sun.management and -XX:+ManagementServer
jprovino
parents:
8002
diff
changeset
|
3211 #endif // INCLUDE_MANAGEMENT |
1145
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
3212 } else if (match_option(option, "-XX:", &tail)) { // -XX:xxxx |
0 | 3213 // Skip -XX:Flags= since that case has already been handled |
3214 if (strncmp(tail, "Flags=", strlen("Flags=")) != 0) { | |
3215 if (!process_argument(tail, args->ignoreUnrecognized, origin)) { | |
3216 return JNI_EINVAL; | |
3217 } | |
3218 } | |
3219 // Unknown option | |
3220 } else if (is_bad_option(option, args->ignoreUnrecognized)) { | |
3221 return JNI_ERR; | |
3222 } | |
3223 } | |
3767
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
3224 |
449
171e581e8161
6554406: Change switch UseVMInterruptibleIO default to false (sol)
xlu
parents:
420
diff
changeset
|
3225 // 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
|
3226 // when working with older JDKs. |
1679
3d90023429ec
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
1628
diff
changeset
|
3227 #ifdef LINUX |
3d90023429ec
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
1628
diff
changeset
|
3228 if (JDK_Version::current().compare_major(6) <= 0 && |
3d90023429ec
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
1628
diff
changeset
|
3229 FLAG_IS_DEFAULT(UseLinuxPosixThreadCPUClocks)) { |
3d90023429ec
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
1628
diff
changeset
|
3230 FLAG_SET_DEFAULT(UseLinuxPosixThreadCPUClocks, false); |
3d90023429ec
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
1628
diff
changeset
|
3231 } |
3d90023429ec
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
1628
diff
changeset
|
3232 #endif // LINUX |
0 | 3233 return JNI_OK; |
3234 } | |
3235 | |
3236 jint Arguments::finalize_vm_init_args(SysClassPath* scp_p, bool scp_assembly_required) { | |
3237 // This must be done after all -D arguments have been processed. | |
3238 scp_p->expand_endorsed(); | |
3239 | |
3240 if (scp_assembly_required || scp_p->get_endorsed() != NULL) { | |
3241 // Assemble the bootclasspath elements into the final path. | |
3242 Arguments::set_sysclasspath(scp_p->combined_path()); | |
3243 } | |
3244 | |
3245 // This must be done after all arguments have been processed. | |
3246 // java_compiler() true means set to "NONE" or empty. | |
3247 if (java_compiler() && !xdebug_mode()) { | |
3248 // For backwards compatibility, we switch to interpreted mode if | |
3249 // -Djava.compiler="NONE" or "" is specified AND "-Xdebug" was | |
3250 // not specified. | |
3251 set_mode_flags(_int); | |
3252 } | |
3253 if (CompileThreshold == 0) { | |
3254 set_mode_flags(_int); | |
3255 } | |
3256 | |
10292
acac2b03a07f
8014765: VM exits if MaxTenuringThreshold is set below the default InitialTenuringThreshold, and InitialTenuringThreshold is not set
tschatzl
parents:
10287
diff
changeset
|
3257 // 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
|
3258 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
|
3259 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
|
3260 } |
acac2b03a07f
8014765: VM exits if MaxTenuringThreshold is set below the default InitialTenuringThreshold, and InitialTenuringThreshold is not set
tschatzl
parents:
10287
diff
changeset
|
3261 |
0 | 3262 #ifndef COMPILER2 |
3263 // Don't degrade server performance for footprint | |
3264 if (FLAG_IS_DEFAULT(UseLargePages) && | |
3265 MaxHeapSize < LargePageHeapSizeThreshold) { | |
3266 // No need for large granularity pages w/small heaps. | |
3267 // Note that large pages are enabled/disabled for both the | |
3268 // Java heap and the code cache. | |
3269 FLAG_SET_DEFAULT(UseLargePages, false); | |
3270 } | |
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
3271 |
0 | 3272 #else |
3273 if (!FLAG_IS_DEFAULT(OptoLoopAlignment) && FLAG_IS_DEFAULT(MaxLoopPad)) { | |
3274 FLAG_SET_DEFAULT(MaxLoopPad, OptoLoopAlignment-1); | |
3275 } | |
3276 #endif | |
3277 | |
11999
79a5283f4595
8021120: TieredCompilation can be enabled even if TIERED is undefined
iignatyev
parents:
11154
diff
changeset
|
3278 #ifndef TIERED |
79a5283f4595
8021120: TieredCompilation can be enabled even if TIERED is undefined
iignatyev
parents:
11154
diff
changeset
|
3279 // Tiered compilation is undefined. |
79a5283f4595
8021120: TieredCompilation can be enabled even if TIERED is undefined
iignatyev
parents:
11154
diff
changeset
|
3280 UNSUPPORTED_OPTION(TieredCompilation, "TieredCompilation"); |
79a5283f4595
8021120: TieredCompilation can be enabled even if TIERED is undefined
iignatyev
parents:
11154
diff
changeset
|
3281 #endif |
79a5283f4595
8021120: TieredCompilation can be enabled even if TIERED is undefined
iignatyev
parents:
11154
diff
changeset
|
3282 |
1681
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3283 // 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
|
3284 // to be true unless the property has already been set. |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3285 // 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
|
3286 if (os::is_headless_jre()) { |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3287 const char* headless = Arguments::get_property("java.awt.headless"); |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3288 if (headless == NULL) { |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3289 char envbuffer[128]; |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3290 if (!os::getenv("JAVA_AWT_HEADLESS", envbuffer, sizeof(envbuffer))) { |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3291 if (!add_property("java.awt.headless=true")) { |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3292 return JNI_ENOMEM; |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3293 } |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3294 } else { |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3295 char buffer[256]; |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3296 strcpy(buffer, "java.awt.headless="); |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3297 strcat(buffer, envbuffer); |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3298 if (!add_property(buffer)) { |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3299 return JNI_ENOMEM; |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3300 } |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3301 } |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3302 } |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3303 } |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3304 |
0 | 3305 if (!check_vm_args_consistency()) { |
3306 return JNI_ERR; | |
3307 } | |
3308 | |
3309 return JNI_OK; | |
3310 } | |
3311 | |
3312 jint Arguments::parse_java_options_environment_variable(SysClassPath* scp_p, bool* scp_assembly_required_p) { | |
3313 return parse_options_environment_variable("_JAVA_OPTIONS", scp_p, | |
3314 scp_assembly_required_p); | |
3315 } | |
3316 | |
3317 jint Arguments::parse_java_tool_options_environment_variable(SysClassPath* scp_p, bool* scp_assembly_required_p) { | |
3318 return parse_options_environment_variable("JAVA_TOOL_OPTIONS", scp_p, | |
3319 scp_assembly_required_p); | |
3320 } | |
3321 | |
3322 jint Arguments::parse_options_environment_variable(const char* name, SysClassPath* scp_p, bool* scp_assembly_required_p) { | |
3323 const int N_MAX_OPTIONS = 64; | |
3324 const int OPTION_BUFFER_SIZE = 1024; | |
3325 char buffer[OPTION_BUFFER_SIZE]; | |
3326 | |
3327 // The variable will be ignored if it exceeds the length of the buffer. | |
3328 // Don't check this variable if user has special privileges | |
3329 // (e.g. unix su command). | |
3330 if (os::getenv(name, buffer, sizeof(buffer)) && | |
3331 !os::have_special_privileges()) { | |
3332 JavaVMOption options[N_MAX_OPTIONS]; // Construct option array | |
3333 jio_fprintf(defaultStream::error_stream(), | |
3334 "Picked up %s: %s\n", name, buffer); | |
3335 char* rd = buffer; // pointer to the input string (rd) | |
3336 int i; | |
3337 for (i = 0; i < N_MAX_OPTIONS;) { // repeat for all options in the input string | |
3338 while (isspace(*rd)) rd++; // skip whitespace | |
3339 if (*rd == 0) break; // we re done when the input string is read completely | |
3340 | |
3341 // The output, option string, overwrites the input string. | |
3342 // Because of quoting, the pointer to the option string (wrt) may lag the pointer to | |
3343 // input string (rd). | |
3344 char* wrt = rd; | |
3345 | |
3346 options[i++].optionString = wrt; // Fill in option | |
3347 while (*rd != 0 && !isspace(*rd)) { // unquoted strings terminate with a space or NULL | |
3348 if (*rd == '\'' || *rd == '"') { // handle a quoted string | |
3349 int quote = *rd; // matching quote to look for | |
3350 rd++; // don't copy open quote | |
3351 while (*rd != quote) { // include everything (even spaces) up until quote | |
3352 if (*rd == 0) { // string termination means unmatched string | |
3353 jio_fprintf(defaultStream::error_stream(), | |
3354 "Unmatched quote in %s\n", name); | |
3355 return JNI_ERR; | |
3356 } | |
3357 *wrt++ = *rd++; // copy to option string | |
3358 } | |
3359 rd++; // don't copy close quote | |
3360 } else { | |
3361 *wrt++ = *rd++; // copy to option string | |
3362 } | |
3363 } | |
3364 // Need to check if we're done before writing a NULL, | |
3365 // because the write could be to the byte that rd is pointing to. | |
3366 if (*rd++ == 0) { | |
3367 *wrt = 0; | |
3368 break; | |
3369 } | |
3370 *wrt = 0; // Zero terminate option | |
3371 } | |
3372 // Construct JavaVMInitArgs structure and parse as if it was part of the command line | |
3373 JavaVMInitArgs vm_args; | |
3374 vm_args.version = JNI_VERSION_1_2; | |
3375 vm_args.options = options; | |
3376 vm_args.nOptions = i; | |
564 | 3377 vm_args.ignoreUnrecognized = IgnoreUnrecognizedVMOptions; |
0 | 3378 |
3379 if (PrintVMOptions) { | |
3380 const char* tail; | |
3381 for (int i = 0; i < vm_args.nOptions; i++) { | |
3382 const JavaVMOption *option = vm_args.options + i; | |
3383 if (match_option(option, "-XX:", &tail)) { | |
3384 logOption(tail); | |
3385 } | |
3386 } | |
3387 } | |
3388 | |
12322
72b7e96c1922
8024545: make develop and notproduct flag values available in product builds
twisti
parents:
12269
diff
changeset
|
3389 return(parse_each_vm_init_arg(&vm_args, scp_p, scp_assembly_required_p, Flag::ENVIRON_VAR)); |
0 | 3390 } |
3391 return JNI_OK; | |
3392 } | |
3393 | |
2362
a2c2eac1ca62
7018056: large pages not always enabled by default
jcoomes
parents:
2302
diff
changeset
|
3394 void Arguments::set_shared_spaces_flags() { |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3395 if (DumpSharedSpaces) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3396 if (RequireSharedSpaces) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3397 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
|
3398 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3399 UseSharedSpaces = false; |
12056
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
3400 #ifdef _LP64 |
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
3401 if (!UseCompressedOops || !UseCompressedClassPointers) { |
12056
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
3402 vm_exit_during_initialization( |
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
3403 "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
|
3404 } |
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
3405 } else { |
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
3406 // UseCompressedOops and UseCompressedClassPointers must be on for UseSharedSpaces. |
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
3407 if (!UseCompressedOops || !UseCompressedClassPointers) { |
12056
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
3408 no_shared_spaces(); |
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
3409 } |
740e263c80c6
8003424: Enable Class Data Sharing for CompressedOops
hseigel
parents:
12003
diff
changeset
|
3410 #endif |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3411 } |
2362
a2c2eac1ca62
7018056: large pages not always enabled by default
jcoomes
parents:
2302
diff
changeset
|
3412 } |
1891
9de67bf4244d
6996136: VM crash in src/share/vm/runtime/virtualspace.cpp:424
iveresov
parents:
1890
diff
changeset
|
3413 |
9060
cc32ccaaf47f
8003310: Enable -Wunused-function when compiling with gcc
mikael
parents:
8847
diff
changeset
|
3414 #if !INCLUDE_ALL_GCS |
8086
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3415 static void force_serial_gc() { |
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3416 FLAG_SET_DEFAULT(UseSerialGC, true); |
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3417 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
|
3418 UNSUPPORTED_GC_OPTION(UseG1GC); |
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3419 UNSUPPORTED_GC_OPTION(UseParallelGC); |
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3420 UNSUPPORTED_GC_OPTION(UseParallelOldGC); |
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3421 UNSUPPORTED_GC_OPTION(UseConcMarkSweepGC); |
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3422 UNSUPPORTED_GC_OPTION(UseParNewGC); |
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3423 } |
9060
cc32ccaaf47f
8003310: Enable -Wunused-function when compiling with gcc
mikael
parents:
8847
diff
changeset
|
3424 #endif // INCLUDE_ALL_GCS |
8086
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3425 |
10270
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3426 // Sharing support |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3427 // Construct the path to the archive |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3428 static char* get_shared_archive_path() { |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3429 char *shared_archive_path; |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3430 if (SharedArchiveFile == NULL) { |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3431 char jvm_path[JVM_MAXPATHLEN]; |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3432 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
|
3433 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
|
3434 if (end != NULL) *end = '\0'; |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3435 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
|
3436 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
|
3437 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
|
3438 file_sep_len + 20, mtInternal); |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3439 if (shared_archive_path != NULL) { |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3440 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
|
3441 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
|
3442 strncat(shared_archive_path, "classes.jsa", 11); |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3443 } |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3444 } else { |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3445 shared_archive_path = NEW_C_HEAP_ARRAY(char, strlen(SharedArchiveFile) + 1, mtInternal); |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3446 if (shared_archive_path != NULL) { |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3447 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
|
3448 } |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3449 } |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3450 return shared_archive_path; |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3451 } |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3452 |
12257
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3453 #ifndef PRODUCT |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3454 // 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
|
3455 static bool use_vm_log() { |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3456 if (LogCompilation || !FLAG_IS_DEFAULT(LogFile) || |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3457 PrintCompilation || PrintInlining || PrintDependencies || PrintNativeNMethods || |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3458 PrintDebugInfo || PrintRelocations || PrintNMethods || PrintExceptionHandlers || |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3459 PrintAssembly || TraceDeoptimization || TraceDependencies || |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3460 (VerifyDependencies && FLAG_IS_CMDLINE(VerifyDependencies))) { |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3461 return true; |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3462 } |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3463 |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3464 #ifdef COMPILER1 |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3465 if (PrintC1Statistics) { |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3466 return true; |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3467 } |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3468 #endif // COMPILER1 |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3469 |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3470 #ifdef COMPILER2 |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3471 if (PrintOptoAssembly || PrintOptoStatistics) { |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3472 return true; |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3473 } |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3474 #endif // COMPILER2 |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3475 |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3476 return false; |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3477 } |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3478 #endif // PRODUCT |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3479 |
0 | 3480 // Parse entry point called from JNI_CreateJavaVM |
3481 | |
3482 jint Arguments::parse(const JavaVMInitArgs* args) { | |
3483 | |
3484 // Remaining part of option string | |
3485 const char* tail; | |
3486 | |
3487 // 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
|
3488 const char* hotspotrc = ".hotspotrc"; |
0 | 3489 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
|
3490 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
|
3491 |
564 | 3492 const char* flags_file; |
0 | 3493 int index; |
3494 for (index = 0; index < args->nOptions; index++) { | |
3495 const JavaVMOption *option = args->options + index; | |
3496 if (match_option(option, "-XX:Flags=", &tail)) { | |
564 | 3497 flags_file = tail; |
0 | 3498 settings_file_specified = true; |
3499 } | |
3500 if (match_option(option, "-XX:+PrintVMOptions", &tail)) { | |
3501 PrintVMOptions = true; | |
3502 } | |
253
b0fe4deeb9fb
6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.")
kvn
parents:
196
diff
changeset
|
3503 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
|
3504 PrintVMOptions = false; |
b0fe4deeb9fb
6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.")
kvn
parents:
196
diff
changeset
|
3505 } |
564 | 3506 if (match_option(option, "-XX:+IgnoreUnrecognizedVMOptions", &tail)) { |
3507 IgnoreUnrecognizedVMOptions = true; | |
3508 } | |
3509 if (match_option(option, "-XX:-IgnoreUnrecognizedVMOptions", &tail)) { | |
3510 IgnoreUnrecognizedVMOptions = false; | |
3511 } | |
1150 | 3512 if (match_option(option, "-XX:+PrintFlagsInitial", &tail)) { |
4773 | 3513 CommandLineFlags::printFlags(tty, false); |
1150 | 3514 vm_exit(0); |
3515 } | |
6197 | 3516 if (match_option(option, "-XX:NativeMemoryTracking", &tail)) { |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3517 #if INCLUDE_NMT |
6197 | 3518 MemTracker::init_tracking_options(tail); |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3519 #else |
8720
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
3520 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
|
3521 "Native Memory Tracking is not supported in this VM\n"); |
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
3522 return JNI_ERR; |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3523 #endif |
6197 | 3524 } |
3525 | |
1768
6ee479178066
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
1745
diff
changeset
|
3526 |
6ee479178066
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
1745
diff
changeset
|
3527 #ifndef PRODUCT |
6ee479178066
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
1745
diff
changeset
|
3528 if (match_option(option, "-XX:+PrintFlagsWithComments", &tail)) { |
4773 | 3529 CommandLineFlags::printFlags(tty, true); |
1768
6ee479178066
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
1745
diff
changeset
|
3530 vm_exit(0); |
6ee479178066
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
1745
diff
changeset
|
3531 } |
6ee479178066
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
1745
diff
changeset
|
3532 #endif |
564 | 3533 } |
3534 | |
3535 if (IgnoreUnrecognizedVMOptions) { | |
3536 // uncast const to modify the flag args->ignoreUnrecognized | |
3537 *(jboolean*)(&args->ignoreUnrecognized) = true; | |
3538 } | |
3539 | |
3540 // Parse specified settings file | |
3541 if (settings_file_specified) { | |
3542 if (!process_settings_file(flags_file, true, args->ignoreUnrecognized)) { | |
3543 return JNI_EINVAL; | |
3544 } | |
6196
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3545 } else { |
6150
1e76463170b3
7110720: Issue with vm config file loadingIssue with vm config file loading
kamg
parents:
4780
diff
changeset
|
3546 #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
|
3547 // Parse default .hotspotrc settings file |
0 | 3548 if (!process_settings_file(".hotspotrc", false, args->ignoreUnrecognized)) { |
3549 return JNI_EINVAL; | |
3550 } | |
6196
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3551 #else |
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3552 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
|
3553 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
|
3554 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
|
3555 } |
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3556 #endif |
0 | 3557 } |
3558 | |
3559 if (PrintVMOptions) { | |
3560 for (index = 0; index < args->nOptions; index++) { | |
3561 const JavaVMOption *option = args->options + index; | |
3562 if (match_option(option, "-XX:", &tail)) { | |
3563 logOption(tail); | |
3564 } | |
3565 } | |
3566 } | |
3567 | |
3568 // Parse JavaVMInitArgs structure passed in, as well as JAVA_TOOL_OPTIONS and _JAVA_OPTIONS | |
3569 jint result = parse_vm_init_args(args); | |
3570 if (result != JNI_OK) { | |
3571 return result; | |
3572 } | |
3573 | |
10270
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3574 // 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
|
3575 SharedArchivePath = get_shared_archive_path(); |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3576 if (SharedArchivePath == NULL) { |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3577 return JNI_ENOMEM; |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3578 } |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10264
diff
changeset
|
3579 |
6196
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3580 // 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
|
3581 // 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
|
3582 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
|
3583 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
|
3584 "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
|
3585 hotspotrc, hotspotrc); |
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3586 } |
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3587 |
6917
e81fbc04a942
7191817: -XX:+UseSerialGC -XX:+UseLargePages crashes with SIGFPE on MacOS X
coleenp
parents:
6916
diff
changeset
|
3588 #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
|
3589 UNSUPPORTED_OPTION(UseLargePages, "-XX:+UseLargePages"); |
e81fbc04a942
7191817: -XX:+UseSerialGC -XX:+UseLargePages crashes with SIGFPE on MacOS X
coleenp
parents:
6916
diff
changeset
|
3590 #endif |
e81fbc04a942
7191817: -XX:+UseSerialGC -XX:+UseLargePages crashes with SIGFPE on MacOS X
coleenp
parents:
6916
diff
changeset
|
3591 |
8086
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3592 #if INCLUDE_ALL_GCS |
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3593 #if (defined JAVASE_EMBEDDED || defined ARM) |
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3594 UNSUPPORTED_OPTION(UseG1GC, "G1 GC"); |
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3595 #endif |
1605eef8e11e
8003581: UseG1GC is not properly accounted for by INCLUDE_ALTERNATE_GCS
jprovino
parents:
8083
diff
changeset
|
3596 #endif |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3597 |
0 | 3598 #ifndef PRODUCT |
3599 if (TraceBytecodesAt != 0) { | |
3600 TraceBytecodes = true; | |
3601 } | |
3602 if (CountCompiledCalls) { | |
3603 if (UseCounterDecay) { | |
3604 warning("UseCounterDecay disabled because CountCalls is set"); | |
3605 UseCounterDecay = false; | |
3606 } | |
3607 } | |
3608 #endif // PRODUCT | |
3609 | |
2416
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3610 // 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
|
3611 if (!JDK_Version::is_gte_jdk17x_version()) { |
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3612 if (EnableInvokeDynamic) { |
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3613 if (!FLAG_IS_DEFAULT(EnableInvokeDynamic)) { |
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3614 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
|
3615 } |
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3616 EnableInvokeDynamic = false; |
710 | 3617 } |
3618 } | |
2416
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3619 |
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3620 if (EnableInvokeDynamic && ScavengeRootsInCode == 0) { |
989
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
932
diff
changeset
|
3621 if (!FLAG_IS_DEFAULT(ScavengeRootsInCode)) { |
2416
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3622 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
|
3623 } |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
932
diff
changeset
|
3624 ScavengeRootsInCode = 1; |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
932
diff
changeset
|
3625 } |
710 | 3626 |
0 | 3627 if (PrintGCDetails) { |
3628 // Turn on -verbose:gc options as well | |
3629 PrintGC = true; | |
3630 } | |
3631 | |
6064
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
3632 if (!JDK_Version::is_gte_jdk18x_version()) { |
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
3633 // 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
|
3634 // true by default in JDK8 and above. |
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
3635 if (FLAG_IS_DEFAULT(PrintGCCause)) { |
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
3636 FLAG_SET_DEFAULT(PrintGCCause, false); |
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
3637 } |
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
3638 } |
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
3639 |
1571
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
3640 // 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
|
3641 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
|
3642 |
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
3643 #if !INCLUDE_ALL_GCS |
1064 | 3644 force_serial_gc(); |
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
3645 #endif // INCLUDE_ALL_GCS |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3646 #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
|
3647 if (DumpSharedSpaces || RequireSharedSpaces) { |
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
3648 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
|
3649 "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
|
3650 return JNI_ERR; |
fad90b102190
8008310: Some adjustments needed to minimal VM warnings and errors for unsupported command line options
jprovino
parents:
8105
diff
changeset
|
3651 } |
8724
69ffa4ac9e53
8009835: Only produce a warning when -Xshare:auto is explicitly requested
jprovino
parents:
8720
diff
changeset
|
3652 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
|
3653 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
|
3654 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
|
3655 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
|
3656 } |
0 | 3657 no_shared_spaces(); |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3658 #endif // INCLUDE_CDS |
0 | 3659 |
12233
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
3660 return JNI_OK; |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
3661 } |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
3662 |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
3663 jint Arguments::apply_ergo() { |
40136aa2cdb1
8010722: assert: failed: heap size is too big for compressed oops
tschatzl
parents:
12226
diff
changeset
|
3664 |
0 | 3665 // Set flags based on ergonomics. |
3666 set_ergonomics_flags(); | |
3667 | |
2362
a2c2eac1ca62
7018056: large pages not always enabled by default
jcoomes
parents:
2302
diff
changeset
|
3668 set_shared_spaces_flags(); |
1135
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1131
diff
changeset
|
3669 |
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
3670 // Check the GC selections again. |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
3671 if (!check_gc_consistency()) { |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
3672 return JNI_EINVAL; |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
3673 } |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
3674 |
1783 | 3675 if (TieredCompilation) { |
3676 set_tiered_flags(); | |
3677 } else { | |
3678 // Check if the policy is valid. Policies 0 and 1 are valid for non-tiered setup. | |
3679 if (CompilationPolicyChoice >= 2) { | |
3680 vm_exit_during_initialization( | |
3681 "Incompatible compilation policy selected", NULL); | |
3682 } | |
3683 } | |
13074
78da3894b86f
8027593: performance drop with constrained codecache starting with hs25 b111
anoll
parents:
13008
diff
changeset
|
3684 // 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
|
3685 if (FLAG_IS_DEFAULT(NmethodSweepFraction)) { |
78da3894b86f
8027593: performance drop with constrained codecache starting with hs25 b111
anoll
parents:
13008
diff
changeset
|
3686 FLAG_SET_DEFAULT(NmethodSweepFraction, 1 + ReservedCodeCacheSize / (16 * M)); |
78da3894b86f
8027593: performance drop with constrained codecache starting with hs25 b111
anoll
parents:
13008
diff
changeset
|
3687 } |
78da3894b86f
8027593: performance drop with constrained codecache starting with hs25 b111
anoll
parents:
13008
diff
changeset
|
3688 |
1783 | 3689 |
2368
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
3690 // Set heap size based on available physical memory |
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
3691 set_heap_size(); |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3692 |
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
3693 #if INCLUDE_ALL_GCS |
2368
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
3694 // Set per-collector flags |
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
3695 if (UseParallelGC || UseParallelOldGC) { |
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
3696 set_parallel_gc_flags(); |
17648
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
3697 } else if (UseConcMarkSweepGC) { // Should be done before ParNew check below |
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
3698 set_cms_and_parnew_gc_flags(); |
17648
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
3699 } else if (UseParNewGC) { // Skipped if CMS is set above |
2368
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
3700 set_parnew_gc_flags(); |
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
3701 } else if (UseG1GC) { |
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
3702 set_g1_gc_flags(); |
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
3703 } |
7452
e0ab18eafbde
8003820: Deprecate untested and rarely used GC combinations
brutisso
parents:
7451
diff
changeset
|
3704 check_deprecated_gcs(); |
8734 | 3705 check_deprecated_gc_flags(); |
8845
1b90c7607451
2178143: JVM crashes if the number of bound CPUs changed during runtime
minqi
parents:
8819
diff
changeset
|
3706 if (AssumeMP && !UseSerialGC) { |
1b90c7607451
2178143: JVM crashes if the number of bound CPUs changed during runtime
minqi
parents:
8819
diff
changeset
|
3707 if (FLAG_IS_DEFAULT(ParallelGCThreads) && ParallelGCThreads == 1) { |
1b90c7607451
2178143: JVM crashes if the number of bound CPUs changed during runtime
minqi
parents:
8819
diff
changeset
|
3708 warning("If the number of processors is expected to increase from one, then" |
1b90c7607451
2178143: JVM crashes if the number of bound CPUs changed during runtime
minqi
parents:
8819
diff
changeset
|
3709 " you should configure the number of parallel GC threads appropriately" |
1b90c7607451
2178143: JVM crashes if the number of bound CPUs changed during runtime
minqi
parents:
8819
diff
changeset
|
3710 " using -XX:ParallelGCThreads=N"); |
1b90c7607451
2178143: JVM crashes if the number of bound CPUs changed during runtime
minqi
parents:
8819
diff
changeset
|
3711 } |
1b90c7607451
2178143: JVM crashes if the number of bound CPUs changed during runtime
minqi
parents:
8819
diff
changeset
|
3712 } |
17648
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
3713 if (MinHeapFreeRatio == 100) { |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
3714 // Keeping the heap 100% free is hard ;-) so limit it to 99%. |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
3715 FLAG_SET_ERGO(uintx, MinHeapFreeRatio, 99); |
a034dc5e910b
8028391: Make the Min/MaxHeapFreeRatio flags manageable
jwilhelm
parents:
17628
diff
changeset
|
3716 } |
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
3717 #else // INCLUDE_ALL_GCS |
0 | 3718 assert(verify_serial_gc_flags(), "SerialGC unset"); |
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
3719 #endif // INCLUDE_ALL_GCS |
0 | 3720 |
12838
85c1ca43713f
8024547: MaxMetaspaceSize should limit the committed memory used by the metaspaces
stefank
parents:
12831
diff
changeset
|
3721 // Initialize Metaspace flags and alignments. |
85c1ca43713f
8024547: MaxMetaspaceSize should limit the committed memory used by the metaspaces
stefank
parents:
12831
diff
changeset
|
3722 Metaspace::ergo_initialize(); |
85c1ca43713f
8024547: MaxMetaspaceSize should limit the committed memory used by the metaspaces
stefank
parents:
12831
diff
changeset
|
3723 |
0 | 3724 // Set bytecode rewriting flags |
3725 set_bytecode_flags(); | |
3726 | |
3727 // Set flags if Aggressive optimization flags (-XX:+AggressiveOpts) enabled. | |
3728 set_aggressive_opts_flags(); | |
3729 | |
2239
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3730 // Turn off biased locking for locking debug mode flags, |
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3731 // 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
|
3732 // biased locking. |
2331 | 3733 if (UseHeavyMonitors |
3734 #ifdef COMPILER1 | |
3735 || !UseFastLocking | |
3736 #endif // COMPILER1 | |
3737 ) { | |
2239
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3738 if (!FLAG_IS_DEFAULT(UseBiasedLocking) && UseBiasedLocking) { |
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3739 // 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
|
3740 // can't enable biased locking here |
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3741 warning("Biased Locking is not supported with locking debug flags" |
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3742 "; ignoring UseBiasedLocking flag." ); |
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3743 } |
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3744 UseBiasedLocking = false; |
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3745 } |
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3746 |
14420
abe03600372a
8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents:
14412
diff
changeset
|
3747 #ifdef ZERO |
abe03600372a
8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling
goetz
parents:
14412
diff
changeset
|
3748 // Clear flags not supported on zero. |
1131 | 3749 FLAG_SET_DEFAULT(ProfileInterpreter, false); |
0 | 3750 FLAG_SET_DEFAULT(UseBiasedLocking, false); |
1131 | 3751 LP64_ONLY(FLAG_SET_DEFAULT(UseCompressedOops, false)); |
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
3752 LP64_ONLY(FLAG_SET_DEFAULT(UseCompressedClassPointers, false)); |
1131 | 3753 #endif // CC_INTERP |
3754 | |
420
a1980da045cc
6462850: generate biased locking code in C2 ideal graph
kvn
parents:
416
diff
changeset
|
3755 #ifdef COMPILER2 |
4777 | 3756 if (!EliminateLocks) { |
3757 EliminateNestedLocks = false; | |
3758 } | |
7473 | 3759 if (!Inline) { |
3760 IncrementalInline = false; | |
3761 } | |
3762 #ifndef PRODUCT | |
3763 if (!IncrementalInline) { | |
3764 AlwaysIncrementalInline = false; | |
3765 } | |
3766 #endif | |
3767 if (IncrementalInline && FLAG_IS_DEFAULT(MaxNodeLimit)) { | |
3768 // incremental inlining: bump MaxNodeLimit | |
3769 FLAG_SET_DEFAULT(MaxNodeLimit, (intx)75000); | |
3770 } | |
12966 | 3771 if (!UseTypeSpeculation && FLAG_IS_DEFAULT(TypeProfileLevel)) { |
3772 // nothing to use the profiling, turn if off | |
3773 FLAG_SET_DEFAULT(TypeProfileLevel, 0); | |
3774 } | |
3775 if (UseTypeSpeculation && FLAG_IS_DEFAULT(ReplaceInParentMaps)) { | |
3776 // Doing the replace in parent maps helps speculation | |
3777 FLAG_SET_DEFAULT(ReplaceInParentMaps, true); | |
3778 } | |
420
a1980da045cc
6462850: generate biased locking code in C2 ideal graph
kvn
parents:
416
diff
changeset
|
3779 #endif |
a1980da045cc
6462850: generate biased locking code in C2 ideal graph
kvn
parents:
416
diff
changeset
|
3780 |
1155
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1150
diff
changeset
|
3781 if (PrintAssembly && FLAG_IS_DEFAULT(DebugNonSafepoints)) { |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1150
diff
changeset
|
3782 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
|
3783 DebugNonSafepoints = true; |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1150
diff
changeset
|
3784 } |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1150
diff
changeset
|
3785 |
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
3786 if (FLAG_IS_CMDLINE(CompressedClassSpaceSize) && !UseCompressedClassPointers) { |
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
3787 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
|
3788 } |
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
12182
diff
changeset
|
3789 |
1188
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
3790 #ifndef PRODUCT |
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
3791 if (CompileTheWorld) { |
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
3792 // 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
|
3793 if (FLAG_IS_DEFAULT(NmethodSweepFraction)) { |
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
3794 NmethodSweepFraction = 1; |
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
3795 } |
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
3796 } |
12257
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 if (!LogVMOutput && FLAG_IS_DEFAULT(LogVMOutput)) { |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3799 if (use_vm_log()) { |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3800 LogVMOutput = true; |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3801 } |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3802 } |
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
vlivanov
parents:
12129
diff
changeset
|
3803 #endif // PRODUCT |
1188
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
3804 |
0 | 3805 if (PrintCommandLineFlags) { |
4773 | 3806 CommandLineFlags::printSetFlags(tty); |
0 | 3807 } |
3808 | |
1681
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3809 // Apply CPU specific policy for the BiasedLocking |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3810 if (UseBiasedLocking) { |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3811 if (!VM_Version::use_biased_locking() && |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3812 !(FLAG_IS_CMDLINE(UseBiasedLocking))) { |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3813 UseBiasedLocking = false; |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3814 } |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3815 } |
17780 | 3816 #ifdef COMPILER2 |
3817 if (!UseBiasedLocking || EmitSync != 0) { | |
3818 UseOptoBiasInlining = false; | |
3819 } | |
3820 #endif | |
1681
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3821 |
2302
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
3822 // set PauseAtExit if the gamma launcher was used and a debugger is attached |
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
3823 // but only if not already set on the commandline |
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
3824 if (Arguments::created_by_gamma_launcher() && os::is_debugger_attached()) { |
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
3825 bool set = false; |
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
3826 CommandLineFlags::wasSetOnCmdline("PauseAtExit", &set); |
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
3827 if (!set) { |
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
3828 FLAG_SET_DEFAULT(PauseAtExit, true); |
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
3829 } |
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
3830 } |
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
3831 |
0 | 3832 return JNI_OK; |
3833 } | |
3834 | |
7177
53715fb1597d
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
6982
diff
changeset
|
3835 jint Arguments::adjust_after_os() { |
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
3836 #if INCLUDE_ALL_GCS |
7177
53715fb1597d
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
6982
diff
changeset
|
3837 if (UseParallelGC || UseParallelOldGC) { |
53715fb1597d
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
6982
diff
changeset
|
3838 if (UseNUMA) { |
53715fb1597d
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
6982
diff
changeset
|
3839 if (FLAG_IS_DEFAULT(MinHeapDeltaBytes)) { |
53715fb1597d
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
6982
diff
changeset
|
3840 FLAG_SET_DEFAULT(MinHeapDeltaBytes, 64*M); |
53715fb1597d
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
6982
diff
changeset
|
3841 } |
53715fb1597d
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
6982
diff
changeset
|
3842 // For those collectors or operating systems (eg, Windows) that do |
53715fb1597d
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
6982
diff
changeset
|
3843 // not support full UseNUMA, we will map to UseNUMAInterleaving for now |
53715fb1597d
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
6982
diff
changeset
|
3844 UseNUMAInterleaving = true; |
53715fb1597d
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
6982
diff
changeset
|
3845 } |
53715fb1597d
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
6982
diff
changeset
|
3846 } |
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7479
diff
changeset
|
3847 #endif // INCLUDE_ALL_GCS |
7177
53715fb1597d
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
6982
diff
changeset
|
3848 return JNI_OK; |
53715fb1597d
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
6982
diff
changeset
|
3849 } |
53715fb1597d
7198334: UseNUMA modifies system parameters on non-NUMA system
brutisso
parents:
6982
diff
changeset
|
3850 |
0 | 3851 int Arguments::PropertyList_count(SystemProperty* pl) { |
3852 int count = 0; | |
3853 while(pl != NULL) { | |
3854 count++; | |
3855 pl = pl->next(); | |
3856 } | |
3857 return count; | |
3858 } | |
3859 | |
3860 const char* Arguments::PropertyList_get_value(SystemProperty *pl, const char* key) { | |
3861 assert(key != NULL, "just checking"); | |
3862 SystemProperty* prop; | |
3863 for (prop = pl; prop != NULL; prop = prop->next()) { | |
3864 if (strcmp(key, prop->key()) == 0) return prop->value(); | |
3865 } | |
3866 return NULL; | |
3867 } | |
3868 | |
3869 const char* Arguments::PropertyList_get_key_at(SystemProperty *pl, int index) { | |
3870 int count = 0; | |
3871 const char* ret_val = NULL; | |
3872 | |
3873 while(pl != NULL) { | |
3874 if(count >= index) { | |
3875 ret_val = pl->key(); | |
3876 break; | |
3877 } | |
3878 count++; | |
3879 pl = pl->next(); | |
3880 } | |
3881 | |
3882 return ret_val; | |
3883 } | |
3884 | |
3885 char* Arguments::PropertyList_get_value_at(SystemProperty* pl, int index) { | |
3886 int count = 0; | |
3887 char* ret_val = NULL; | |
3888 | |
3889 while(pl != NULL) { | |
3890 if(count >= index) { | |
3891 ret_val = pl->value(); | |
3892 break; | |
3893 } | |
3894 count++; | |
3895 pl = pl->next(); | |
3896 } | |
3897 | |
3898 return ret_val; | |
3899 } | |
3900 | |
3901 void Arguments::PropertyList_add(SystemProperty** plist, SystemProperty *new_p) { | |
3902 SystemProperty* p = *plist; | |
3903 if (p == NULL) { | |
3904 *plist = new_p; | |
3905 } else { | |
3906 while (p->next() != NULL) { | |
3907 p = p->next(); | |
3908 } | |
3909 p->set_next(new_p); | |
3910 } | |
3911 } | |
3912 | |
3913 void Arguments::PropertyList_add(SystemProperty** plist, const char* k, char* v) { | |
3914 if (plist == NULL) | |
3915 return; | |
3916 | |
3917 SystemProperty* new_p = new SystemProperty(k, v, true); | |
3918 PropertyList_add(plist, new_p); | |
3919 } | |
3920 | |
3921 // This add maintains unique property key in the list. | |
691 | 3922 void Arguments::PropertyList_unique_add(SystemProperty** plist, const char* k, char* v, jboolean append) { |
0 | 3923 if (plist == NULL) |
3924 return; | |
3925 | |
3926 // If property key exist then update with new value. | |
3927 SystemProperty* prop; | |
3928 for (prop = *plist; prop != NULL; prop = prop->next()) { | |
3929 if (strcmp(k, prop->key()) == 0) { | |
691 | 3930 if (append) { |
3931 prop->append_value(v); | |
3932 } else { | |
3933 prop->set_value(v); | |
3934 } | |
0 | 3935 return; |
3936 } | |
3937 } | |
3938 | |
3939 PropertyList_add(plist, k, v); | |
3940 } | |
3941 | |
3942 // Copies src into buf, replacing "%%" with "%" and "%p" with pid | |
3943 // Returns true if all of the source pointed by src has been copied over to | |
3944 // the destination buffer pointed by buf. Otherwise, returns false. | |
3945 // Notes: | |
3946 // 1. If the length (buflen) of the destination buffer excluding the | |
3947 // NULL terminator character is not long enough for holding the expanded | |
3948 // pid characters, it also returns false instead of returning the partially | |
3949 // expanded one. | |
3950 // 2. The passed in "buflen" should be large enough to hold the null terminator. | |
3951 bool Arguments::copy_expand_pid(const char* src, size_t srclen, | |
3952 char* buf, size_t buflen) { | |
3953 const char* p = src; | |
3954 char* b = buf; | |
3955 const char* src_end = &src[srclen]; | |
3956 char* buf_end = &buf[buflen - 1]; | |
3957 | |
3958 while (p < src_end && b < buf_end) { | |
3959 if (*p == '%') { | |
3960 switch (*(++p)) { | |
3961 case '%': // "%%" ==> "%" | |
3962 *b++ = *p++; | |
3963 break; | |
3964 case 'p': { // "%p" ==> current process id | |
3965 // buf_end points to the character before the last character so | |
3966 // that we could write '\0' to the end of the buffer. | |
3967 size_t buf_sz = buf_end - b + 1; | |
3968 int ret = jio_snprintf(b, buf_sz, "%d", os::current_process_id()); | |
3969 | |
3970 // if jio_snprintf fails or the buffer is not long enough to hold | |
3971 // the expanded pid, returns false. | |
3972 if (ret < 0 || ret >= (int)buf_sz) { | |
3973 return false; | |
3974 } else { | |
3975 b += ret; | |
3976 assert(*b == '\0', "fail in copy_expand_pid"); | |
3977 if (p == src_end && b == buf_end + 1) { | |
3978 // reach the end of the buffer. | |
3979 return true; | |
3980 } | |
3981 } | |
3982 p++; | |
3983 break; | |
3984 } | |
3985 default : | |
3986 *b++ = '%'; | |
3987 } | |
3988 } else { | |
3989 *b++ = *p++; | |
3990 } | |
3991 } | |
3992 *b = '\0'; | |
3993 return (p == src_end); // return false if not all of the source was copied | |
3994 } |