Mercurial > hg > graal-compiler
annotate src/share/vm/runtime/arguments.cpp @ 6998:49f0841607b7
Merge.
author | Doug Simon <doug.simon@oracle.com> |
---|---|
date | Tue, 20 Nov 2012 22:50:44 +0100 |
parents | edb2d7ed9a01 2cb439954abf |
children | 7d815d842ee0 |
rev | line source |
---|---|
0 | 1 /* |
4838 | 2 * Copyright (c) 1997, 2012, 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" | |
31 #include "memory/referenceProcessor.hpp" | |
32 #include "memory/universe.inline.hpp" | |
33 #include "oops/oop.inline.hpp" | |
34 #include "prims/jvmtiExport.hpp" | |
35 #include "runtime/arguments.hpp" | |
36 #include "runtime/globals_extension.hpp" | |
37 #include "runtime/java.hpp" | |
38 #include "services/management.hpp" | |
6197 | 39 #include "services/memTracker.hpp" |
1972 | 40 #include "utilities/defaultStream.hpp" |
41 #include "utilities/taskqueue.hpp" | |
42 #ifdef TARGET_OS_FAMILY_linux | |
43 # include "os_linux.inline.hpp" | |
44 #endif | |
45 #ifdef TARGET_OS_FAMILY_solaris | |
46 # include "os_solaris.inline.hpp" | |
47 #endif | |
48 #ifdef TARGET_OS_FAMILY_windows | |
49 # include "os_windows.inline.hpp" | |
50 #endif | |
3960 | 51 #ifdef TARGET_OS_FAMILY_bsd |
52 # include "os_bsd.inline.hpp" | |
53 #endif | |
1972 | 54 #ifndef SERIALGC |
55 #include "gc_implementation/concurrentMarkSweep/compactibleFreeListSpace.hpp" | |
56 #endif | |
0 | 57 |
2474 | 58 // Note: This is a special bug reporting site for the JVM |
59 #define DEFAULT_VENDOR_URL_BUG "http://bugreport.sun.com/bugreport/crash.jsp" | |
0 | 60 #define DEFAULT_JAVA_LAUNCHER "generic" |
61 | |
62 char** Arguments::_jvm_flags_array = NULL; | |
63 int Arguments::_num_jvm_flags = 0; | |
64 char** Arguments::_jvm_args_array = NULL; | |
65 int Arguments::_num_jvm_args = 0; | |
4559
723df37192d6
Make it possible again to build a real client libjvm, drop the UseGraal flag.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
4350
diff
changeset
|
66 #ifdef GRAAL |
2891
75a99b4f1c98
Rebranded C++ part from C1X to Graal.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2873
diff
changeset
|
67 char** Arguments::_graal_args_array = NULL; |
75a99b4f1c98
Rebranded C++ part from C1X to Graal.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2873
diff
changeset
|
68 int Arguments::_num_graal_args = 0; |
4559
723df37192d6
Make it possible again to build a real client libjvm, drop the UseGraal flag.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
4350
diff
changeset
|
69 #endif |
0 | 70 char* Arguments::_java_command = NULL; |
71 SystemProperty* Arguments::_system_properties = NULL; | |
72 const char* Arguments::_gc_log_filename = NULL; | |
73 bool Arguments::_has_profile = false; | |
74 bool Arguments::_has_alloc_profile = false; | |
75 uintx Arguments::_min_heap_size = 0; | |
76 Arguments::Mode Arguments::_mode = _mixed; | |
77 bool Arguments::_java_compiler = false; | |
78 bool Arguments::_xdebug_mode = false; | |
79 const char* Arguments::_java_vendor_url_bug = DEFAULT_VENDOR_URL_BUG; | |
80 const char* Arguments::_sun_java_launcher = DEFAULT_JAVA_LAUNCHER; | |
81 int Arguments::_sun_java_launcher_pid = -1; | |
2302
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
82 bool Arguments::_created_by_gamma_launcher = false; |
0 | 83 |
84 // These parameters are reset in method parse_vm_init_args(JavaVMInitArgs*) | |
85 bool Arguments::_AlwaysCompileLoopMethods = AlwaysCompileLoopMethods; | |
86 bool Arguments::_UseOnStackReplacement = UseOnStackReplacement; | |
87 bool Arguments::_BackgroundCompilation = BackgroundCompilation; | |
88 bool Arguments::_ClipInlining = ClipInlining; | |
89 | |
90 char* Arguments::SharedArchivePath = NULL; | |
91 | |
92 AgentLibraryList Arguments::_libraryList; | |
93 AgentLibraryList Arguments::_agentList; | |
94 | |
95 abort_hook_t Arguments::_abort_hook = NULL; | |
96 exit_hook_t Arguments::_exit_hook = NULL; | |
97 vfprintf_hook_t Arguments::_vfprintf_hook = NULL; | |
98 | |
99 | |
100 SystemProperty *Arguments::_java_ext_dirs = NULL; | |
101 SystemProperty *Arguments::_java_endorsed_dirs = NULL; | |
102 SystemProperty *Arguments::_sun_boot_library_path = NULL; | |
103 SystemProperty *Arguments::_java_library_path = NULL; | |
104 SystemProperty *Arguments::_java_home = NULL; | |
105 SystemProperty *Arguments::_java_class_path = NULL; | |
106 SystemProperty *Arguments::_sun_boot_class_path = NULL; | |
4559
723df37192d6
Make it possible again to build a real client libjvm, drop the UseGraal flag.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
4350
diff
changeset
|
107 #ifdef GRAAL |
3546
4aa80ca3dbec
Separate compiler bootstrappath from application bootstrappath.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
3544
diff
changeset
|
108 SystemProperty *Arguments::_compiler_class_path = NULL; |
4559
723df37192d6
Make it possible again to build a real client libjvm, drop the UseGraal flag.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
4350
diff
changeset
|
109 #endif |
0 | 110 |
111 char* Arguments::_meta_index_path = NULL; | |
112 char* Arguments::_meta_index_dir = NULL; | |
113 | |
114 // Check if head of 'option' matches 'name', and sets 'tail' remaining part of option string | |
115 | |
116 static bool match_option(const JavaVMOption *option, const char* name, | |
117 const char** tail) { | |
118 int len = (int)strlen(name); | |
119 if (strncmp(option->optionString, name, len) == 0) { | |
120 *tail = option->optionString + len; | |
121 return true; | |
122 } else { | |
123 return false; | |
124 } | |
125 } | |
126 | |
127 static void logOption(const char* opt) { | |
128 if (PrintVMOptions) { | |
129 jio_fprintf(defaultStream::output_stream(), "VM option '%s'\n", opt); | |
130 } | |
131 } | |
132 | |
133 // Process java launcher properties. | |
134 void Arguments::process_sun_java_launcher_properties(JavaVMInitArgs* args) { | |
135 // See if sun.java.launcher or sun.java.launcher.pid is defined. | |
136 // Must do this before setting up other system properties, | |
137 // as some of them may depend on launcher type. | |
138 for (int index = 0; index < args->nOptions; index++) { | |
139 const JavaVMOption* option = args->options + index; | |
140 const char* tail; | |
141 | |
142 if (match_option(option, "-Dsun.java.launcher=", &tail)) { | |
143 process_java_launcher_argument(tail, option->extraInfo); | |
144 continue; | |
145 } | |
146 if (match_option(option, "-Dsun.java.launcher.pid=", &tail)) { | |
147 _sun_java_launcher_pid = atoi(tail); | |
148 continue; | |
149 } | |
150 } | |
151 } | |
152 | |
153 // Initialize system properties key and value. | |
154 void Arguments::init_system_properties() { | |
155 | |
156 PropertyList_add(&_system_properties, new SystemProperty("java.vm.specification.name", | |
157 "Java Virtual Machine Specification", false)); | |
158 PropertyList_add(&_system_properties, new SystemProperty("java.vm.version", VM_Version::vm_release(), false)); | |
159 PropertyList_add(&_system_properties, new SystemProperty("java.vm.name", VM_Version::vm_name(), false)); | |
160 PropertyList_add(&_system_properties, new SystemProperty("java.vm.info", VM_Version::vm_info_string(), true)); | |
161 | |
162 // following are JVMTI agent writeable properties. | |
163 // Properties values are set to NULL and they are | |
164 // os specific they are initialized in os::init_system_properties_values(). | |
165 _java_ext_dirs = new SystemProperty("java.ext.dirs", NULL, true); | |
166 _java_endorsed_dirs = new SystemProperty("java.endorsed.dirs", NULL, true); | |
167 _sun_boot_library_path = new SystemProperty("sun.boot.library.path", NULL, true); | |
168 _java_library_path = new SystemProperty("java.library.path", NULL, true); | |
169 _java_home = new SystemProperty("java.home", NULL, true); | |
170 _sun_boot_class_path = new SystemProperty("sun.boot.class.path", NULL, true); | |
4559
723df37192d6
Make it possible again to build a real client libjvm, drop the UseGraal flag.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
4350
diff
changeset
|
171 #ifdef GRAAL |
3546
4aa80ca3dbec
Separate compiler bootstrappath from application bootstrappath.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
3544
diff
changeset
|
172 _compiler_class_path = new SystemProperty("compiler.class.path", NULL, true); |
4559
723df37192d6
Make it possible again to build a real client libjvm, drop the UseGraal flag.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
4350
diff
changeset
|
173 #endif |
0 | 174 |
175 _java_class_path = new SystemProperty("java.class.path", "", true); | |
176 | |
177 // Add to System Property list. | |
178 PropertyList_add(&_system_properties, _java_ext_dirs); | |
179 PropertyList_add(&_system_properties, _java_endorsed_dirs); | |
180 PropertyList_add(&_system_properties, _sun_boot_library_path); | |
181 PropertyList_add(&_system_properties, _java_library_path); | |
182 PropertyList_add(&_system_properties, _java_home); | |
183 PropertyList_add(&_system_properties, _java_class_path); | |
184 PropertyList_add(&_system_properties, _sun_boot_class_path); | |
4559
723df37192d6
Make it possible again to build a real client libjvm, drop the UseGraal flag.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
4350
diff
changeset
|
185 #ifdef GRAAL |
3546
4aa80ca3dbec
Separate compiler bootstrappath from application bootstrappath.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
3544
diff
changeset
|
186 PropertyList_add(&_system_properties, _compiler_class_path); |
4559
723df37192d6
Make it possible again to build a real client libjvm, drop the UseGraal flag.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
4350
diff
changeset
|
187 #endif |
0 | 188 |
189 // Set OS specific system properties values | |
190 os::init_system_properties_values(); | |
191 } | |
192 | |
1864
dfb38ea7da17
6988363: Rebrand vm vendor property settings (jdk7 only)
zgu
parents:
1805
diff
changeset
|
193 |
dfb38ea7da17
6988363: Rebrand vm vendor property settings (jdk7 only)
zgu
parents:
1805
diff
changeset
|
194 // Update/Initialize System properties after JDK version number is known |
dfb38ea7da17
6988363: Rebrand vm vendor property settings (jdk7 only)
zgu
parents:
1805
diff
changeset
|
195 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
|
196 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
|
197 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
|
198 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
|
199 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
|
200 |
35f885165c69
6981737: The java.vm.specification.version property is 1.0, seems like it should be 2.0
kamg
parents:
1875
diff
changeset
|
201 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
|
202 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
|
203 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
|
204 } |
35f885165c69
6981737: The java.vm.specification.version property is 1.0, seems like it should be 2.0
kamg
parents:
1875
diff
changeset
|
205 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
|
206 |
35f885165c69
6981737: The java.vm.specification.version property is 1.0, seems like it should be 2.0
kamg
parents:
1875
diff
changeset
|
207 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
|
208 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
|
209 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
|
210 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
|
211 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
|
212 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
|
213 } |
dfb38ea7da17
6988363: Rebrand vm vendor property settings (jdk7 only)
zgu
parents:
1805
diff
changeset
|
214 |
242 | 215 /** |
216 * Provide a slightly more user-friendly way of eliminating -XX flags. | |
217 * When a flag is eliminated, it can be added to this list in order to | |
218 * continue accepting this flag on the command-line, while issuing a warning | |
219 * and ignoring the value. Once the JDK version reaches the 'accept_until' | |
220 * limit, we flatly refuse to admit the existence of the flag. This allows | |
221 * a flag to die correctly over JDK releases using HSX. | |
222 */ | |
223 typedef struct { | |
224 const char* name; | |
225 JDK_Version obsoleted_in; // when the flag went away | |
226 JDK_Version accept_until; // which version to start denying the existence | |
227 } ObsoleteFlag; | |
0 | 228 |
242 | 229 static ObsoleteFlag obsolete_jvm_flags[] = { |
230 { "UseTrainGC", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
231 { "UseSpecialLargeObjectHandling", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
232 { "UseOversizedCarHandling", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
233 { "TraceCarAllocation", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
234 { "PrintTrainGCProcessingStats", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
235 { "LogOfCarSpaceSize", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
236 { "OversizedCarThreshold", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
237 { "MinTickInterval", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
238 { "DefaultTickInterval", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
239 { "MaxTickInterval", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
240 { "DelayTickAdjustment", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
241 { "ProcessingToTenuringRatio", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
242 { "MinTrainLength", JDK_Version::jdk(5), JDK_Version::jdk(7) }, | |
243 { "AppendRatio", JDK_Version::jdk_update(6,10), JDK_Version::jdk(7) }, | |
1064 | 244 { "DefaultMaxRAM", JDK_Version::jdk_update(6,18), JDK_Version::jdk(7) }, |
245 { "DefaultInitialRAMFraction", | |
246 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
|
247 { "UseDepthFirstScavengeOrder", |
9d7a8ab3736b
6962589: remove breadth first scanning code from parallel gc
tonyp
parents:
1628
diff
changeset
|
248 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
|
249 { "HandlePromotionFailure", |
a7214d79fcf1
6896603: CMS/GCH: collection_attempt_is_safe() ergo should use more recent data
ysr
parents:
1832
diff
changeset
|
250 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
|
251 { "MaxLiveObjectEvacuationRatio", |
a7214d79fcf1
6896603: CMS/GCH: collection_attempt_is_safe() ergo should use more recent data
ysr
parents:
1832
diff
changeset
|
252 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
|
253 { "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
|
254 { "UseParallelOldGCCompacting", |
eda9eb483d29
6841742: par compact - remove unused/unsupported options
jcoomes
parents:
3250
diff
changeset
|
255 JDK_Version::jdk_update(6,27), JDK_Version::jdk(8) }, |
eda9eb483d29
6841742: par compact - remove unused/unsupported options
jcoomes
parents:
3250
diff
changeset
|
256 { "UseParallelDensePrefixUpdate", |
eda9eb483d29
6841742: par compact - remove unused/unsupported options
jcoomes
parents:
3250
diff
changeset
|
257 JDK_Version::jdk_update(6,27), JDK_Version::jdk(8) }, |
eda9eb483d29
6841742: par compact - remove unused/unsupported options
jcoomes
parents:
3250
diff
changeset
|
258 { "UseParallelOldGCDensePrefix", |
eda9eb483d29
6841742: par compact - remove unused/unsupported options
jcoomes
parents:
3250
diff
changeset
|
259 JDK_Version::jdk_update(6,27), JDK_Version::jdk(8) }, |
2460 | 260 { "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
|
261 { "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
|
262 { "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
|
263 { "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
|
264 { "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
|
265 { "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
|
266 { "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
|
267 { "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
|
268 { "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
|
269 { "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
|
270 { "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
|
271 { "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
|
272 { "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
|
273 { "PrintRevisitStats", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
6916 | 274 { "UseVectoredExceptions", JDK_Version::jdk(8), JDK_Version::jdk(9) }, |
3797
eb94b7226b7a
7061192: option handling adjustments for oracle and embedded builds
jcoomes
parents:
3769
diff
changeset
|
275 #ifdef PRODUCT |
eb94b7226b7a
7061192: option handling adjustments for oracle and embedded builds
jcoomes
parents:
3769
diff
changeset
|
276 { "DesiredMethodLimit", |
eb94b7226b7a
7061192: option handling adjustments for oracle and embedded builds
jcoomes
parents:
3769
diff
changeset
|
277 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
|
278 #endif // PRODUCT |
242 | 279 { NULL, JDK_Version(0), JDK_Version(0) } |
280 }; | |
281 | |
282 // Returns true if the flag is obsolete and fits into the range specified | |
283 // for being ignored. In the case that the flag is ignored, the 'version' | |
284 // value is filled in with the version number when the flag became | |
285 // obsolete so that that value can be displayed to the user. | |
286 bool Arguments::is_newly_obsolete(const char *s, JDK_Version* version) { | |
0 | 287 int i = 0; |
242 | 288 assert(version != NULL, "Must provide a version buffer"); |
289 while (obsolete_jvm_flags[i].name != NULL) { | |
290 const ObsoleteFlag& flag_status = obsolete_jvm_flags[i]; | |
0 | 291 // <flag>=xxx form |
292 // [-|+]<flag> form | |
242 | 293 if ((strncmp(flag_status.name, s, strlen(flag_status.name)) == 0) || |
0 | 294 ((s[0] == '+' || s[0] == '-') && |
242 | 295 (strncmp(flag_status.name, &s[1], strlen(flag_status.name)) == 0))) { |
296 if (JDK_Version::current().compare(flag_status.accept_until) == -1) { | |
297 *version = flag_status.obsoleted_in; | |
298 return true; | |
299 } | |
0 | 300 } |
301 i++; | |
302 } | |
303 return false; | |
304 } | |
305 | |
306 // Constructs the system class path (aka boot class path) from the following | |
307 // components, in order: | |
308 // | |
309 // prefix // from -Xbootclasspath/p:... | |
310 // endorsed // the expansion of -Djava.endorsed.dirs=... | |
311 // base // from os::get_system_properties() or -Xbootclasspath= | |
312 // suffix // from -Xbootclasspath/a:... | |
313 // | |
314 // java.endorsed.dirs is a list of directories; any jar or zip files in the | |
315 // directories are added to the sysclasspath just before the base. | |
316 // | |
317 // This could be AllStatic, but it isn't needed after argument processing is | |
318 // complete. | |
319 class SysClassPath: public StackObj { | |
320 public: | |
321 SysClassPath(const char* base); | |
322 ~SysClassPath(); | |
323 | |
324 inline void set_base(const char* base); | |
325 inline void add_prefix(const char* prefix); | |
531
40ee984935b9
6792705: Add JAR file to bootclasspath when using AggressiveOpts
phh
parents:
513
diff
changeset
|
326 inline void add_suffix_to_prefix(const char* suffix); |
0 | 327 inline void add_suffix(const char* suffix); |
328 inline void reset_path(const char* base); | |
329 | |
330 // Expand the jar/zip files in each directory listed by the java.endorsed.dirs | |
331 // property. Must be called after all command-line arguments have been | |
332 // processed (in particular, -Djava.endorsed.dirs=...) and before calling | |
333 // combined_path(). | |
334 void expand_endorsed(); | |
335 | |
336 inline const char* get_base() const { return _items[_scp_base]; } | |
337 inline const char* get_prefix() const { return _items[_scp_prefix]; } | |
338 inline const char* get_suffix() const { return _items[_scp_suffix]; } | |
339 inline const char* get_endorsed() const { return _items[_scp_endorsed]; } | |
340 | |
341 // Combine all the components into a single c-heap-allocated string; caller | |
342 // must free the string if/when no longer needed. | |
343 char* combined_path(); | |
344 | |
345 private: | |
346 // Utility routines. | |
347 static char* add_to_path(const char* path, const char* str, bool prepend); | |
348 static char* add_jars_to_path(char* path, const char* directory); | |
349 | |
350 inline void reset_item_at(int index); | |
351 | |
352 // Array indices for the items that make up the sysclasspath. All except the | |
353 // base are allocated in the C heap and freed by this class. | |
354 enum { | |
355 _scp_prefix, // from -Xbootclasspath/p:... | |
356 _scp_endorsed, // the expansion of -Djava.endorsed.dirs=... | |
357 _scp_base, // the default sysclasspath | |
358 _scp_suffix, // from -Xbootclasspath/a:... | |
359 _scp_nitems // the number of items, must be last. | |
360 }; | |
361 | |
362 const char* _items[_scp_nitems]; | |
363 DEBUG_ONLY(bool _expansion_done;) | |
364 }; | |
365 | |
366 SysClassPath::SysClassPath(const char* base) { | |
367 memset(_items, 0, sizeof(_items)); | |
368 _items[_scp_base] = base; | |
369 DEBUG_ONLY(_expansion_done = false;) | |
370 } | |
371 | |
372 SysClassPath::~SysClassPath() { | |
373 // Free everything except the base. | |
374 for (int i = 0; i < _scp_nitems; ++i) { | |
375 if (i != _scp_base) reset_item_at(i); | |
376 } | |
377 DEBUG_ONLY(_expansion_done = false;) | |
378 } | |
379 | |
380 inline void SysClassPath::set_base(const char* base) { | |
381 _items[_scp_base] = base; | |
382 } | |
383 | |
384 inline void SysClassPath::add_prefix(const char* prefix) { | |
385 _items[_scp_prefix] = add_to_path(_items[_scp_prefix], prefix, true); | |
386 } | |
387 | |
531
40ee984935b9
6792705: Add JAR file to bootclasspath when using AggressiveOpts
phh
parents:
513
diff
changeset
|
388 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
|
389 _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
|
390 } |
40ee984935b9
6792705: Add JAR file to bootclasspath when using AggressiveOpts
phh
parents:
513
diff
changeset
|
391 |
0 | 392 inline void SysClassPath::add_suffix(const char* suffix) { |
393 _items[_scp_suffix] = add_to_path(_items[_scp_suffix], suffix, false); | |
394 } | |
395 | |
396 inline void SysClassPath::reset_item_at(int index) { | |
397 assert(index < _scp_nitems && index != _scp_base, "just checking"); | |
398 if (_items[index] != NULL) { | |
6197 | 399 FREE_C_HEAP_ARRAY(char, _items[index], mtInternal); |
0 | 400 _items[index] = NULL; |
401 } | |
402 } | |
403 | |
404 inline void SysClassPath::reset_path(const char* base) { | |
405 // Clear the prefix and suffix. | |
406 reset_item_at(_scp_prefix); | |
407 reset_item_at(_scp_suffix); | |
408 set_base(base); | |
409 } | |
410 | |
411 //------------------------------------------------------------------------------ | |
412 | |
413 void SysClassPath::expand_endorsed() { | |
414 assert(_items[_scp_endorsed] == NULL, "can only be called once."); | |
415 | |
416 const char* path = Arguments::get_property("java.endorsed.dirs"); | |
417 if (path == NULL) { | |
418 path = Arguments::get_endorsed_dir(); | |
419 assert(path != NULL, "no default for java.endorsed.dirs"); | |
420 } | |
421 | |
422 char* expanded_path = NULL; | |
423 const char separator = *os::path_separator(); | |
424 const char* const end = path + strlen(path); | |
425 while (path < end) { | |
426 const char* tmp_end = strchr(path, separator); | |
427 if (tmp_end == NULL) { | |
428 expanded_path = add_jars_to_path(expanded_path, path); | |
429 path = end; | |
430 } else { | |
6197 | 431 char* dirpath = NEW_C_HEAP_ARRAY(char, tmp_end - path + 1, mtInternal); |
0 | 432 memcpy(dirpath, path, tmp_end - path); |
433 dirpath[tmp_end - path] = '\0'; | |
434 expanded_path = add_jars_to_path(expanded_path, dirpath); | |
6197 | 435 FREE_C_HEAP_ARRAY(char, dirpath, mtInternal); |
0 | 436 path = tmp_end + 1; |
437 } | |
438 } | |
439 _items[_scp_endorsed] = expanded_path; | |
440 DEBUG_ONLY(_expansion_done = true;) | |
441 } | |
442 | |
443 // Combine the bootclasspath elements, some of which may be null, into a single | |
444 // c-heap-allocated string. | |
445 char* SysClassPath::combined_path() { | |
446 assert(_items[_scp_base] != NULL, "empty default sysclasspath"); | |
447 assert(_expansion_done, "must call expand_endorsed() first."); | |
448 | |
449 size_t lengths[_scp_nitems]; | |
450 size_t total_len = 0; | |
451 | |
452 const char separator = *os::path_separator(); | |
453 | |
454 // Get the lengths. | |
455 int i; | |
456 for (i = 0; i < _scp_nitems; ++i) { | |
457 if (_items[i] != NULL) { | |
458 lengths[i] = strlen(_items[i]); | |
459 // Include space for the separator char (or a NULL for the last item). | |
460 total_len += lengths[i] + 1; | |
461 } | |
462 } | |
463 assert(total_len > 0, "empty sysclasspath not allowed"); | |
464 | |
465 // Copy the _items to a single string. | |
6197 | 466 char* cp = NEW_C_HEAP_ARRAY(char, total_len, mtInternal); |
0 | 467 char* cp_tmp = cp; |
468 for (i = 0; i < _scp_nitems; ++i) { | |
469 if (_items[i] != NULL) { | |
470 memcpy(cp_tmp, _items[i], lengths[i]); | |
471 cp_tmp += lengths[i]; | |
472 *cp_tmp++ = separator; | |
473 } | |
474 } | |
475 *--cp_tmp = '\0'; // Replace the extra separator. | |
476 return cp; | |
477 } | |
478 | |
479 // Note: path must be c-heap-allocated (or NULL); it is freed if non-null. | |
480 char* | |
481 SysClassPath::add_to_path(const char* path, const char* str, bool prepend) { | |
482 char *cp; | |
483 | |
484 assert(str != NULL, "just checking"); | |
485 if (path == NULL) { | |
486 size_t len = strlen(str) + 1; | |
6197 | 487 cp = NEW_C_HEAP_ARRAY(char, len, mtInternal); |
0 | 488 memcpy(cp, str, len); // copy the trailing null |
489 } else { | |
490 const char separator = *os::path_separator(); | |
491 size_t old_len = strlen(path); | |
492 size_t str_len = strlen(str); | |
493 size_t len = old_len + str_len + 2; | |
494 | |
495 if (prepend) { | |
6197 | 496 cp = NEW_C_HEAP_ARRAY(char, len, mtInternal); |
0 | 497 char* cp_tmp = cp; |
498 memcpy(cp_tmp, str, str_len); | |
499 cp_tmp += str_len; | |
500 *cp_tmp = separator; | |
501 memcpy(++cp_tmp, path, old_len + 1); // copy the trailing null | |
6197 | 502 FREE_C_HEAP_ARRAY(char, path, mtInternal); |
0 | 503 } else { |
6197 | 504 cp = REALLOC_C_HEAP_ARRAY(char, path, len, mtInternal); |
0 | 505 char* cp_tmp = cp + old_len; |
506 *cp_tmp = separator; | |
507 memcpy(++cp_tmp, str, str_len + 1); // copy the trailing null | |
508 } | |
509 } | |
510 return cp; | |
511 } | |
512 | |
513 // Scan the directory and append any jar or zip files found to path. | |
514 // Note: path must be c-heap-allocated (or NULL); it is freed if non-null. | |
515 char* SysClassPath::add_jars_to_path(char* path, const char* directory) { | |
516 DIR* dir = os::opendir(directory); | |
517 if (dir == NULL) return path; | |
518 | |
519 char dir_sep[2] = { '\0', '\0' }; | |
520 size_t directory_len = strlen(directory); | |
521 const char fileSep = *os::file_separator(); | |
522 if (directory[directory_len - 1] != fileSep) dir_sep[0] = fileSep; | |
523 | |
524 /* Scan the directory for jars/zips, appending them to path. */ | |
525 struct dirent *entry; | |
6197 | 526 char *dbuf = NEW_C_HEAP_ARRAY(char, os::readdir_buf_size(directory), mtInternal); |
0 | 527 while ((entry = os::readdir(dir, (dirent *) dbuf)) != NULL) { |
528 const char* name = entry->d_name; | |
529 const char* ext = name + strlen(name) - 4; | |
530 bool isJarOrZip = ext > name && | |
531 (os::file_name_strcmp(ext, ".jar") == 0 || | |
532 os::file_name_strcmp(ext, ".zip") == 0); | |
533 if (isJarOrZip) { | |
6197 | 534 char* jarpath = NEW_C_HEAP_ARRAY(char, directory_len + 2 + strlen(name), mtInternal); |
0 | 535 sprintf(jarpath, "%s%s%s", directory, dir_sep, name); |
536 path = add_to_path(path, jarpath, false); | |
6197 | 537 FREE_C_HEAP_ARRAY(char, jarpath, mtInternal); |
0 | 538 } |
539 } | |
6197 | 540 FREE_C_HEAP_ARRAY(char, dbuf, mtInternal); |
0 | 541 os::closedir(dir); |
542 return path; | |
543 } | |
544 | |
545 // Parses a memory size specification string. | |
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
546 static bool atomull(const char *s, julong* result) { |
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
547 julong n = 0; |
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
548 int args_read = sscanf(s, os::julong_format_specifier(), &n); |
0 | 549 if (args_read != 1) { |
550 return false; | |
551 } | |
552 while (*s != '\0' && isdigit(*s)) { | |
553 s++; | |
554 } | |
555 // 4705540: illegal if more characters are found after the first non-digit | |
556 if (strlen(s) > 1) { | |
557 return false; | |
558 } | |
559 switch (*s) { | |
560 case 'T': case 't': | |
561 *result = n * G * K; | |
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
562 // Check for overflow. |
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
563 if (*result/((julong)G * K) != n) return false; |
0 | 564 return true; |
565 case 'G': case 'g': | |
566 *result = n * G; | |
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
567 if (*result/G != n) return false; |
0 | 568 return true; |
569 case 'M': case 'm': | |
570 *result = n * M; | |
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
571 if (*result/M != n) return false; |
0 | 572 return true; |
573 case 'K': case 'k': | |
574 *result = n * K; | |
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
575 if (*result/K != n) return false; |
0 | 576 return true; |
577 case '\0': | |
578 *result = n; | |
579 return true; | |
580 default: | |
581 return false; | |
582 } | |
583 } | |
584 | |
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
585 Arguments::ArgsRange Arguments::check_memory_size(julong size, julong min_size) { |
0 | 586 if (size < min_size) return arg_too_small; |
587 // 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
|
588 if (size > max_uintx) return arg_too_big; |
0 | 589 return arg_in_range; |
590 } | |
591 | |
592 // Describe an argument out of range error | |
593 void Arguments::describe_range_error(ArgsRange errcode) { | |
594 switch(errcode) { | |
595 case arg_too_big: | |
596 jio_fprintf(defaultStream::error_stream(), | |
597 "The specified size exceeds the maximum " | |
598 "representable size.\n"); | |
599 break; | |
600 case arg_too_small: | |
601 case arg_unreadable: | |
602 case arg_in_range: | |
603 // do nothing for now | |
604 break; | |
605 default: | |
606 ShouldNotReachHere(); | |
607 } | |
608 } | |
609 | |
610 static bool set_bool_flag(char* name, bool value, FlagValueOrigin origin) { | |
611 return CommandLineFlags::boolAtPut(name, &value, origin); | |
612 } | |
613 | |
614 static bool set_fp_numeric_flag(char* name, char* value, FlagValueOrigin origin) { | |
615 double v; | |
616 if (sscanf(value, "%lf", &v) != 1) { | |
617 return false; | |
618 } | |
619 | |
620 if (CommandLineFlags::doubleAtPut(name, &v, origin)) { | |
621 return true; | |
622 } | |
623 return false; | |
624 } | |
625 | |
626 static bool set_numeric_flag(char* name, char* value, FlagValueOrigin origin) { | |
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
627 julong v; |
0 | 628 intx intx_v; |
629 bool is_neg = false; | |
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
630 // Check the sign first since atomull() parses only unsigned values. |
0 | 631 if (*value == '-') { |
632 if (!CommandLineFlags::intxAt(name, &intx_v)) { | |
633 return false; | |
634 } | |
635 value++; | |
636 is_neg = true; | |
637 } | |
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
638 if (!atomull(value, &v)) { |
0 | 639 return false; |
640 } | |
641 intx_v = (intx) v; | |
642 if (is_neg) { | |
643 intx_v = -intx_v; | |
644 } | |
645 if (CommandLineFlags::intxAtPut(name, &intx_v, origin)) { | |
646 return true; | |
647 } | |
648 uintx uintx_v = (uintx) v; | |
649 if (!is_neg && CommandLineFlags::uintxAtPut(name, &uintx_v, origin)) { | |
650 return true; | |
651 } | |
1064 | 652 uint64_t uint64_t_v = (uint64_t) v; |
653 if (!is_neg && CommandLineFlags::uint64_tAtPut(name, &uint64_t_v, origin)) { | |
654 return true; | |
655 } | |
0 | 656 return false; |
657 } | |
658 | |
659 static bool set_string_flag(char* name, const char* value, FlagValueOrigin origin) { | |
660 if (!CommandLineFlags::ccstrAtPut(name, &value, origin)) return false; | |
661 // Contract: CommandLineFlags always returns a pointer that needs freeing. | |
6197 | 662 FREE_C_HEAP_ARRAY(char, value, mtInternal); |
0 | 663 return true; |
664 } | |
665 | |
666 static bool append_to_string_flag(char* name, const char* new_value, FlagValueOrigin origin) { | |
667 const char* old_value = ""; | |
668 if (!CommandLineFlags::ccstrAt(name, &old_value)) return false; | |
669 size_t old_len = old_value != NULL ? strlen(old_value) : 0; | |
670 size_t new_len = strlen(new_value); | |
671 const char* value; | |
672 char* free_this_too = NULL; | |
673 if (old_len == 0) { | |
674 value = new_value; | |
675 } else if (new_len == 0) { | |
676 value = old_value; | |
677 } else { | |
6197 | 678 char* buf = NEW_C_HEAP_ARRAY(char, old_len + 1 + new_len + 1, mtInternal); |
0 | 679 // each new setting adds another LINE to the switch: |
680 sprintf(buf, "%s\n%s", old_value, new_value); | |
681 value = buf; | |
682 free_this_too = buf; | |
683 } | |
684 (void) CommandLineFlags::ccstrAtPut(name, &value, origin); | |
685 // CommandLineFlags always returns a pointer that needs freeing. | |
6197 | 686 FREE_C_HEAP_ARRAY(char, value, mtInternal); |
0 | 687 if (free_this_too != NULL) { |
688 // CommandLineFlags made its own copy, so I must delete my own temp. buffer. | |
6197 | 689 FREE_C_HEAP_ARRAY(char, free_this_too, mtInternal); |
0 | 690 } |
691 return true; | |
692 } | |
693 | |
694 bool Arguments::parse_argument(const char* arg, FlagValueOrigin origin) { | |
695 | |
696 // range of acceptable characters spelled out for portability reasons | |
697 #define NAME_RANGE "[abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_]" | |
698 #define BUFLEN 255 | |
699 char name[BUFLEN+1]; | |
700 char dummy; | |
701 | |
702 if (sscanf(arg, "-%" XSTR(BUFLEN) NAME_RANGE "%c", name, &dummy) == 1) { | |
703 return set_bool_flag(name, false, origin); | |
704 } | |
705 if (sscanf(arg, "+%" XSTR(BUFLEN) NAME_RANGE "%c", name, &dummy) == 1) { | |
706 return set_bool_flag(name, true, origin); | |
707 } | |
708 | |
709 char punct; | |
710 if (sscanf(arg, "%" XSTR(BUFLEN) NAME_RANGE "%c", name, &punct) == 2 && punct == '=') { | |
711 const char* value = strchr(arg, '=') + 1; | |
712 Flag* flag = Flag::find_flag(name, strlen(name)); | |
713 if (flag != NULL && flag->is_ccstr()) { | |
714 if (flag->ccstr_accumulates()) { | |
715 return append_to_string_flag(name, value, origin); | |
716 } else { | |
717 if (value[0] == '\0') { | |
718 value = NULL; | |
719 } | |
720 return set_string_flag(name, value, origin); | |
721 } | |
722 } | |
723 } | |
724 | |
725 if (sscanf(arg, "%" XSTR(BUFLEN) NAME_RANGE ":%c", name, &punct) == 2 && punct == '=') { | |
726 const char* value = strchr(arg, '=') + 1; | |
727 // -XX:Foo:=xxx will reset the string flag to the given value. | |
728 if (value[0] == '\0') { | |
729 value = NULL; | |
730 } | |
731 return set_string_flag(name, value, origin); | |
732 } | |
733 | |
734 #define SIGNED_FP_NUMBER_RANGE "[-0123456789.]" | |
735 #define SIGNED_NUMBER_RANGE "[-0123456789]" | |
736 #define NUMBER_RANGE "[0123456789]" | |
737 char value[BUFLEN + 1]; | |
738 char value2[BUFLEN + 1]; | |
739 if (sscanf(arg, "%" XSTR(BUFLEN) NAME_RANGE "=" "%" XSTR(BUFLEN) SIGNED_NUMBER_RANGE "." "%" XSTR(BUFLEN) NUMBER_RANGE "%c", name, value, value2, &dummy) == 3) { | |
740 // Looks like a floating-point number -- try again with more lenient format string | |
741 if (sscanf(arg, "%" XSTR(BUFLEN) NAME_RANGE "=" "%" XSTR(BUFLEN) SIGNED_FP_NUMBER_RANGE "%c", name, value, &dummy) == 2) { | |
742 return set_fp_numeric_flag(name, value, origin); | |
743 } | |
744 } | |
745 | |
746 #define VALUE_RANGE "[-kmgtKMGT0123456789]" | |
747 if (sscanf(arg, "%" XSTR(BUFLEN) NAME_RANGE "=" "%" XSTR(BUFLEN) VALUE_RANGE "%c", name, value, &dummy) == 2) { | |
748 return set_numeric_flag(name, value, origin); | |
749 } | |
750 | |
751 return false; | |
752 } | |
753 | |
754 void Arguments::add_string(char*** bldarray, int* count, const char* arg) { | |
755 assert(bldarray != NULL, "illegal argument"); | |
756 | |
757 if (arg == NULL) { | |
758 return; | |
759 } | |
760 | |
761 int index = *count; | |
762 | |
763 // expand the array and add arg to the last element | |
764 (*count)++; | |
765 if (*bldarray == NULL) { | |
6197 | 766 *bldarray = NEW_C_HEAP_ARRAY(char*, *count, mtInternal); |
0 | 767 } else { |
6197 | 768 *bldarray = REALLOC_C_HEAP_ARRAY(char*, *bldarray, *count, mtInternal); |
0 | 769 } |
770 (*bldarray)[index] = strdup(arg); | |
771 } | |
772 | |
773 void Arguments::build_jvm_args(const char* arg) { | |
774 add_string(&_jvm_args_array, &_num_jvm_args, arg); | |
775 } | |
776 | |
777 void Arguments::build_jvm_flags(const char* arg) { | |
778 add_string(&_jvm_flags_array, &_num_jvm_flags, arg); | |
779 } | |
4559
723df37192d6
Make it possible again to build a real client libjvm, drop the UseGraal flag.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
4350
diff
changeset
|
780 #ifdef GRAAL |
2891
75a99b4f1c98
Rebranded C++ part from C1X to Graal.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2873
diff
changeset
|
781 void Arguments::add_graal_arg(const char* arg) { |
75a99b4f1c98
Rebranded C++ part from C1X to Graal.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2873
diff
changeset
|
782 add_string(&_graal_args_array, &_num_graal_args, arg); |
1437
9e5e83ca2259
Enabled -C1X:OPTIONS when running HotSpot/C1X. Enabled checkstyle for the HotSpotVM Java project.
Thomas Wuerthinger <wuerthinger@ssw.jku.at>
parents:
1356
diff
changeset
|
783 } |
4559
723df37192d6
Make it possible again to build a real client libjvm, drop the UseGraal flag.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
4350
diff
changeset
|
784 #endif |
0 | 785 |
786 // utility function to return a string that concatenates all | |
787 // strings in a given char** array | |
788 const char* Arguments::build_resource_string(char** args, int count) { | |
789 if (args == NULL || count == 0) { | |
790 return NULL; | |
791 } | |
792 size_t length = strlen(args[0]) + 1; // add 1 for the null terminator | |
793 for (int i = 1; i < count; i++) { | |
794 length += strlen(args[i]) + 1; // add 1 for a space | |
795 } | |
796 char* s = NEW_RESOURCE_ARRAY(char, length); | |
797 strcpy(s, args[0]); | |
798 for (int j = 1; j < count; j++) { | |
799 strcat(s, " "); | |
800 strcat(s, args[j]); | |
801 } | |
802 return (const char*) s; | |
803 } | |
804 | |
805 void Arguments::print_on(outputStream* st) { | |
806 st->print_cr("VM Arguments:"); | |
807 if (num_jvm_flags() > 0) { | |
808 st->print("jvm_flags: "); print_jvm_flags_on(st); | |
809 } | |
810 if (num_jvm_args() > 0) { | |
811 st->print("jvm_args: "); print_jvm_args_on(st); | |
812 } | |
813 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
|
814 if (_java_class_path != NULL) { |
8ebcedb7604d
7053130: hs_err file does not record specified CLASSPATH
coleenp
parents:
6878
diff
changeset
|
815 char* path = _java_class_path->value(); |
8ebcedb7604d
7053130: hs_err file does not record specified CLASSPATH
coleenp
parents:
6878
diff
changeset
|
816 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
|
817 } |
0 | 818 st->print_cr("Launcher Type: %s", _sun_java_launcher); |
819 } | |
820 | |
821 void Arguments::print_jvm_flags_on(outputStream* st) { | |
822 if (_num_jvm_flags > 0) { | |
823 for (int i=0; i < _num_jvm_flags; i++) { | |
824 st->print("%s ", _jvm_flags_array[i]); | |
825 } | |
826 st->print_cr(""); | |
827 } | |
828 } | |
829 | |
830 void Arguments::print_jvm_args_on(outputStream* st) { | |
831 if (_num_jvm_args > 0) { | |
832 for (int i=0; i < _num_jvm_args; i++) { | |
833 st->print("%s ", _jvm_args_array[i]); | |
834 } | |
835 st->print_cr(""); | |
836 } | |
837 } | |
838 | |
242 | 839 bool Arguments::process_argument(const char* arg, |
840 jboolean ignore_unrecognized, FlagValueOrigin origin) { | |
841 | |
842 JDK_Version since = JDK_Version(); | |
0 | 843 |
3250 | 844 if (parse_argument(arg, origin) || ignore_unrecognized) { |
845 return true; | |
0 | 846 } |
3250 | 847 |
848 const char * const argname = *arg == '+' || *arg == '-' ? arg + 1 : arg; | |
849 if (is_newly_obsolete(arg, &since)) { | |
850 char version[256]; | |
851 since.to_string(version, sizeof(version)); | |
852 warning("ignoring option %s; support was removed in %s", argname, version); | |
853 return true; | |
854 } | |
855 | |
5947
80fe40862b02
7144328: Improper commandlines for -XX:+-UnlockCommercialFeatures require proper warning/error messages
jmelvin
parents:
5915
diff
changeset
|
856 // 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
|
857 // Otherwise, report the standard unrecognized VM option. |
80fe40862b02
7144328: Improper commandlines for -XX:+-UnlockCommercialFeatures require proper warning/error messages
jmelvin
parents:
5915
diff
changeset
|
858 |
80fe40862b02
7144328: Improper commandlines for -XX:+-UnlockCommercialFeatures require proper warning/error messages
jmelvin
parents:
5915
diff
changeset
|
859 Flag* locked_flag = Flag::find_flag((char*)argname, strlen(argname), true); |
80fe40862b02
7144328: Improper commandlines for -XX:+-UnlockCommercialFeatures require proper warning/error messages
jmelvin
parents:
5915
diff
changeset
|
860 if (locked_flag != NULL) { |
80fe40862b02
7144328: Improper commandlines for -XX:+-UnlockCommercialFeatures require proper warning/error messages
jmelvin
parents:
5915
diff
changeset
|
861 char locked_message_buf[BUFLEN]; |
80fe40862b02
7144328: Improper commandlines for -XX:+-UnlockCommercialFeatures require proper warning/error messages
jmelvin
parents:
5915
diff
changeset
|
862 locked_flag->get_locked_message(locked_message_buf, BUFLEN); |
80fe40862b02
7144328: Improper commandlines for -XX:+-UnlockCommercialFeatures require proper warning/error messages
jmelvin
parents:
5915
diff
changeset
|
863 if (strlen(locked_message_buf) == 0) { |
80fe40862b02
7144328: Improper commandlines for -XX:+-UnlockCommercialFeatures require proper warning/error messages
jmelvin
parents:
5915
diff
changeset
|
864 jio_fprintf(defaultStream::error_stream(), |
80fe40862b02
7144328: Improper commandlines for -XX:+-UnlockCommercialFeatures require proper warning/error messages
jmelvin
parents:
5915
diff
changeset
|
865 "Unrecognized VM option '%s'\n", argname); |
80fe40862b02
7144328: Improper commandlines for -XX:+-UnlockCommercialFeatures require proper warning/error messages
jmelvin
parents:
5915
diff
changeset
|
866 } else { |
80fe40862b02
7144328: Improper commandlines for -XX:+-UnlockCommercialFeatures require proper warning/error messages
jmelvin
parents:
5915
diff
changeset
|
867 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
|
868 } |
6017 | 869 } else { |
870 jio_fprintf(defaultStream::error_stream(), | |
871 "Unrecognized VM option '%s'\n", argname); | |
5947
80fe40862b02
7144328: Improper commandlines for -XX:+-UnlockCommercialFeatures require proper warning/error messages
jmelvin
parents:
5915
diff
changeset
|
872 } |
80fe40862b02
7144328: Improper commandlines for -XX:+-UnlockCommercialFeatures require proper warning/error messages
jmelvin
parents:
5915
diff
changeset
|
873 |
3250 | 874 // allow for commandline "commenting out" options like -XX:#+Verbose |
875 return arg[0] == '#'; | |
0 | 876 } |
877 | |
878 bool Arguments::process_settings_file(const char* file_name, bool should_exist, jboolean ignore_unrecognized) { | |
879 FILE* stream = fopen(file_name, "rb"); | |
880 if (stream == NULL) { | |
881 if (should_exist) { | |
882 jio_fprintf(defaultStream::error_stream(), | |
883 "Could not open settings file %s\n", file_name); | |
884 return false; | |
885 } else { | |
886 return true; | |
887 } | |
888 } | |
889 | |
890 char token[1024]; | |
891 int pos = 0; | |
892 | |
893 bool in_white_space = true; | |
894 bool in_comment = false; | |
895 bool in_quote = false; | |
896 char quote_c = 0; | |
897 bool result = true; | |
898 | |
899 int c = getc(stream); | |
6901 | 900 while(c != EOF && pos < (int)(sizeof(token)-1)) { |
0 | 901 if (in_white_space) { |
902 if (in_comment) { | |
903 if (c == '\n') in_comment = false; | |
904 } else { | |
905 if (c == '#') in_comment = true; | |
906 else if (!isspace(c)) { | |
907 in_white_space = false; | |
908 token[pos++] = c; | |
909 } | |
910 } | |
911 } else { | |
912 if (c == '\n' || (!in_quote && isspace(c))) { | |
913 // token ends at newline, or at unquoted whitespace | |
914 // this allows a way to include spaces in string-valued options | |
915 token[pos] = '\0'; | |
916 logOption(token); | |
917 result &= process_argument(token, ignore_unrecognized, CONFIG_FILE); | |
918 build_jvm_flags(token); | |
919 pos = 0; | |
920 in_white_space = true; | |
921 in_quote = false; | |
922 } else if (!in_quote && (c == '\'' || c == '"')) { | |
923 in_quote = true; | |
924 quote_c = c; | |
925 } else if (in_quote && (c == quote_c)) { | |
926 in_quote = false; | |
927 } else { | |
928 token[pos++] = c; | |
929 } | |
930 } | |
931 c = getc(stream); | |
932 } | |
933 if (pos > 0) { | |
934 token[pos] = '\0'; | |
935 result &= process_argument(token, ignore_unrecognized, CONFIG_FILE); | |
936 build_jvm_flags(token); | |
937 } | |
938 fclose(stream); | |
939 return result; | |
940 } | |
941 | |
942 //============================================================================================================= | |
943 // Parsing of properties (-D) | |
944 | |
945 const char* Arguments::get_property(const char* key) { | |
946 return PropertyList_get_value(system_properties(), key); | |
947 } | |
948 | |
949 bool Arguments::add_property(const char* prop) { | |
950 const char* eq = strchr(prop, '='); | |
951 char* key; | |
952 // ns must be static--its address may be stored in a SystemProperty object. | |
953 const static char ns[1] = {0}; | |
954 char* value = (char *)ns; | |
955 | |
956 size_t key_len = (eq == NULL) ? strlen(prop) : (eq - prop); | |
6197 | 957 key = AllocateHeap(key_len + 1, mtInternal); |
0 | 958 strncpy(key, prop, key_len); |
959 key[key_len] = '\0'; | |
960 | |
961 if (eq != NULL) { | |
962 size_t value_len = strlen(prop) - key_len - 1; | |
6197 | 963 value = AllocateHeap(value_len + 1, mtInternal); |
0 | 964 strncpy(value, &prop[key_len + 1], value_len + 1); |
965 } | |
966 | |
967 if (strcmp(key, "java.compiler") == 0) { | |
968 process_java_compiler_argument(value); | |
969 FreeHeap(key); | |
970 if (eq != NULL) { | |
971 FreeHeap(value); | |
972 } | |
973 return true; | |
691 | 974 } else if (strcmp(key, "sun.java.command") == 0) { |
0 | 975 _java_command = value; |
976 | |
2129
8f8dfba37802
6994753: Implement optional hook to a Java method at VM startup.
kevinw
parents:
2095
diff
changeset
|
977 // Record value in Arguments, but let it get passed to Java. |
691 | 978 } else if (strcmp(key, "sun.java.launcher.pid") == 0) { |
0 | 979 // launcher.pid property is private and is processed |
980 // in process_sun_java_launcher_properties(); | |
981 // the sun.java.launcher property is passed on to the java application | |
982 FreeHeap(key); | |
983 if (eq != NULL) { | |
984 FreeHeap(value); | |
985 } | |
986 return true; | |
691 | 987 } else if (strcmp(key, "java.vendor.url.bug") == 0) { |
0 | 988 // save it in _java_vendor_url_bug, so JVM fatal error handler can access |
989 // its value without going through the property list or making a Java call. | |
990 _java_vendor_url_bug = value; | |
691 | 991 } else if (strcmp(key, "sun.boot.library.path") == 0) { |
992 PropertyList_unique_add(&_system_properties, key, value, true); | |
993 return true; | |
0 | 994 } |
995 // Create new property and add at the end of the list | |
996 PropertyList_unique_add(&_system_properties, key, value); | |
997 return true; | |
998 } | |
999 | |
1000 //=========================================================================================================== | |
1001 // Setting int/mixed/comp mode flags | |
1002 | |
1003 void Arguments::set_mode_flags(Mode mode) { | |
1004 // Set up default values for all flags. | |
1005 // If you add a flag to any of the branches below, | |
1006 // add a default value for it here. | |
1007 set_java_compiler(false); | |
1008 _mode = mode; | |
1009 | |
1010 // Ensure Agent_OnLoad has the correct initial values. | |
1011 // This may not be the final mode; mode may change later in onload phase. | |
1012 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
|
1013 (char*)VM_Version::vm_info_string(), false); |
0 | 1014 |
1015 UseInterpreter = true; | |
1016 UseCompiler = true; | |
1017 UseLoopCounter = true; | |
1018 | |
2458
98c560260039
7034513: enable fast accessors and empty methods for ZERO and -Xint
never
parents:
2416
diff
changeset
|
1019 #ifndef ZERO |
98c560260039
7034513: enable fast accessors and empty methods for ZERO and -Xint
never
parents:
2416
diff
changeset
|
1020 // 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
|
1021 if (FLAG_IS_DEFAULT(UseFastAccessorMethods)) { |
3341
e9b8ef09622a
7041582: set_mode_flags isn't called without -Xmixed specified
never
parents:
3261
diff
changeset
|
1022 UseFastAccessorMethods = (mode == _int); |
2458
98c560260039
7034513: enable fast accessors and empty methods for ZERO and -Xint
never
parents:
2416
diff
changeset
|
1023 } |
98c560260039
7034513: enable fast accessors and empty methods for ZERO and -Xint
never
parents:
2416
diff
changeset
|
1024 if (FLAG_IS_DEFAULT(UseFastEmptyMethods)) { |
3341
e9b8ef09622a
7041582: set_mode_flags isn't called without -Xmixed specified
never
parents:
3261
diff
changeset
|
1025 UseFastEmptyMethods = (mode == _int); |
2458
98c560260039
7034513: enable fast accessors and empty methods for ZERO and -Xint
never
parents:
2416
diff
changeset
|
1026 } |
98c560260039
7034513: enable fast accessors and empty methods for ZERO and -Xint
never
parents:
2416
diff
changeset
|
1027 #endif |
98c560260039
7034513: enable fast accessors and empty methods for ZERO and -Xint
never
parents:
2416
diff
changeset
|
1028 |
0 | 1029 // Default values may be platform/compiler dependent - |
1030 // use the saved values | |
1031 ClipInlining = Arguments::_ClipInlining; | |
1032 AlwaysCompileLoopMethods = Arguments::_AlwaysCompileLoopMethods; | |
1033 UseOnStackReplacement = Arguments::_UseOnStackReplacement; | |
1034 BackgroundCompilation = Arguments::_BackgroundCompilation; | |
1035 | |
1036 // Change from defaults based on mode | |
1037 switch (mode) { | |
1038 default: | |
1039 ShouldNotReachHere(); | |
1040 break; | |
1041 case _int: | |
1042 UseCompiler = false; | |
1043 UseLoopCounter = false; | |
1044 AlwaysCompileLoopMethods = false; | |
1045 UseOnStackReplacement = false; | |
1046 break; | |
1047 case _mixed: | |
1048 // same as default | |
1049 break; | |
1050 case _comp: | |
1051 UseInterpreter = false; | |
1052 BackgroundCompilation = false; | |
1053 ClipInlining = false; | |
4758
d725f0affb1a
7121111: -server -Xcomp -XX:+TieredCompilation does not invoke C2 compiler
iveresov
parents:
4111
diff
changeset
|
1054 // 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
|
1055 // 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
|
1056 // 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
|
1057 if (TieredCompilation) { |
d725f0affb1a
7121111: -server -Xcomp -XX:+TieredCompilation does not invoke C2 compiler
iveresov
parents:
4111
diff
changeset
|
1058 Tier3InvokeNotifyFreqLog = 0; |
d725f0affb1a
7121111: -server -Xcomp -XX:+TieredCompilation does not invoke C2 compiler
iveresov
parents:
4111
diff
changeset
|
1059 Tier4InvocationThreshold = 0; |
d725f0affb1a
7121111: -server -Xcomp -XX:+TieredCompilation does not invoke C2 compiler
iveresov
parents:
4111
diff
changeset
|
1060 } |
0 | 1061 break; |
1062 } | |
1063 } | |
1064 | |
1065 // Conflict: required to use shared spaces (-Xshare:on), but | |
1066 // incompatible command line options were chosen. | |
1067 | |
1068 static void no_shared_spaces() { | |
1069 if (RequireSharedSpaces) { | |
1070 jio_fprintf(defaultStream::error_stream(), | |
1071 "Class data sharing is inconsistent with other specified options.\n"); | |
1072 vm_exit_during_initialization("Unable to use shared archive.", NULL); | |
1073 } else { | |
1074 FLAG_SET_DEFAULT(UseSharedSpaces, false); | |
1075 } | |
1076 } | |
1077 | |
1783 | 1078 void Arguments::set_tiered_flags() { |
2348
5d8f5a6dced7
7020403: Add AdvancedCompilationPolicy for tiered
iveresov
parents:
2325
diff
changeset
|
1079 // With tiered, set default policy to AdvancedThresholdPolicy, which is 3. |
1783 | 1080 if (FLAG_IS_DEFAULT(CompilationPolicyChoice)) { |
2348
5d8f5a6dced7
7020403: Add AdvancedCompilationPolicy for tiered
iveresov
parents:
2325
diff
changeset
|
1081 FLAG_SET_DEFAULT(CompilationPolicyChoice, 3); |
1783 | 1082 } |
1083 if (CompilationPolicyChoice < 2) { | |
1084 vm_exit_during_initialization( | |
1085 "Incompatible compilation policy selected", NULL); | |
1086 } | |
1891
9de67bf4244d
6996136: VM crash in src/share/vm/runtime/virtualspace.cpp:424
iveresov
parents:
1890
diff
changeset
|
1087 // Increase the code cache size - tiered compiles a lot more. |
1783 | 1088 if (FLAG_IS_DEFAULT(ReservedCodeCacheSize)) { |
1089 FLAG_SET_DEFAULT(ReservedCodeCacheSize, ReservedCodeCacheSize * 2); | |
1090 } | |
1091 } | |
1092 | |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
1093 #if INCLUDE_ALTERNATE_GCS |
4838 | 1094 static void disable_adaptive_size_policy(const char* collector_name) { |
1095 if (UseAdaptiveSizePolicy) { | |
1096 if (FLAG_IS_CMDLINE(UseAdaptiveSizePolicy)) { | |
1097 warning("disabling UseAdaptiveSizePolicy; it is incompatible with %s.", | |
1098 collector_name); | |
1099 } | |
1100 FLAG_SET_DEFAULT(UseAdaptiveSizePolicy, false); | |
1101 } | |
1102 } | |
1103 | |
0 | 1104 // If the user has chosen ParallelGCThreads > 0, we set UseParNewGC |
1105 // if it's not explictly set or unset. If the user has chosen | |
1106 // UseParNewGC and not explicitly set ParallelGCThreads we | |
1107 // set it, unless this is a single cpu machine. | |
1108 void Arguments::set_parnew_gc_flags() { | |
1064 | 1109 assert(!UseSerialGC && !UseParallelOldGC && !UseParallelGC && !UseG1GC, |
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
1110 "control point invariant"); |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
1111 assert(UseParNewGC, "Error"); |
0 | 1112 |
4838 | 1113 // Turn off AdaptiveSizePolicy for parnew until it is complete. |
1114 disable_adaptive_size_policy("UseParNewGC"); | |
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1115 |
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
1116 if (ParallelGCThreads == 0) { |
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1117 FLAG_SET_DEFAULT(ParallelGCThreads, |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1118 Abstract_VM_Version::parallel_worker_threads()); |
1064 | 1119 if (ParallelGCThreads == 1) { |
0 | 1120 FLAG_SET_DEFAULT(UseParNewGC, false); |
1064 | 1121 FLAG_SET_DEFAULT(ParallelGCThreads, 0); |
0 | 1122 } |
1123 } | |
1064 | 1124 if (UseParNewGC) { |
695 | 1125 // By default YoungPLABSize and OldPLABSize are set to 4096 and 1024 respectively, |
0 | 1126 // these settings are default for Parallel Scavenger. For ParNew+Tenured configuration |
1127 // we set them to 1024 and 1024. | |
1128 // See CR 6362902. | |
1129 if (FLAG_IS_DEFAULT(YoungPLABSize)) { | |
1130 FLAG_SET_DEFAULT(YoungPLABSize, (intx)1024); | |
1131 } | |
1132 if (FLAG_IS_DEFAULT(OldPLABSize)) { | |
1133 FLAG_SET_DEFAULT(OldPLABSize, (intx)1024); | |
1134 } | |
1135 | |
1064 | 1136 // AlwaysTenure flag should make ParNew promote all at first collection. |
0 | 1137 // See CR 6362902. |
1138 if (AlwaysTenure) { | |
6818 | 1139 FLAG_SET_CMDLINE(uintx, MaxTenuringThreshold, 0); |
0 | 1140 } |
695 | 1141 // When using compressed oops, we use local overflow stacks, |
1142 // rather than using a global overflow list chained through | |
1143 // the klass word of the object's pre-image. | |
1144 if (UseCompressedOops && !ParGCUseLocalOverflow) { | |
1145 if (!FLAG_IS_DEFAULT(ParGCUseLocalOverflow)) { | |
1146 warning("Forcing +ParGCUseLocalOverflow: needed if using compressed references"); | |
1147 } | |
1148 FLAG_SET_DEFAULT(ParGCUseLocalOverflow, true); | |
1149 } | |
1150 assert(ParGCUseLocalOverflow || !UseCompressedOops, "Error"); | |
0 | 1151 } |
1152 } | |
1153 | |
1154 // Adjust some sizes to suit CMS and/or ParNew needs; these work well on | |
1155 // sparc/solaris for certain applications, but would gain from | |
1156 // further optimization and tuning efforts, and would almost | |
1157 // certainly gain from analysis of platform and environment. | |
1158 void Arguments::set_cms_and_parnew_gc_flags() { | |
1064 | 1159 assert(!UseSerialGC && !UseParallelOldGC && !UseParallelGC, "Error"); |
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1160 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
|
1161 |
0 | 1162 // If we are using CMS, we prefer to UseParNewGC, |
1163 // unless explicitly forbidden. | |
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
1164 if (FLAG_IS_DEFAULT(UseParNewGC)) { |
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1165 FLAG_SET_ERGO(bool, UseParNewGC, true); |
0 | 1166 } |
1167 | |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
1168 // Turn off AdaptiveSizePolicy by default for cms until it is complete. |
4838 | 1169 disable_adaptive_size_policy("UseConcMarkSweepGC"); |
0 | 1170 |
1171 // In either case, adjust ParallelGCThreads and/or UseParNewGC | |
1172 // as needed. | |
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1173 if (UseParNewGC) { |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1174 set_parnew_gc_flags(); |
0 | 1175 } |
1176 | |
2368
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
1177 // MaxHeapSize is aligned down in collectorPolicy |
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
1178 size_t max_heap = align_size_down(MaxHeapSize, |
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
1179 CardTableRS::ct_max_alignment_constraint()); |
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
1180 |
0 | 1181 // Now make adjustments for CMS |
2368
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
1182 intx tenuring_default = (intx)6; |
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
1183 size_t young_gen_per_worker = CMSYoungGenPerWorker; |
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
1184 |
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
1185 // Preferred young gen size for "short" pauses: |
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
1186 // upper bound depends on # of threads and NewRatio. |
0 | 1187 const uintx parallel_gc_threads = |
1188 (ParallelGCThreads == 0 ? 1 : ParallelGCThreads); | |
1189 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
|
1190 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
|
1191 size_t preferred_max_new_size = |
0 | 1192 align_size_up(preferred_max_new_size_unaligned, os::vm_page_size()); |
1193 | |
1194 // Unless explicitly requested otherwise, size young gen | |
2368
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
1195 // for "short" pauses ~ CMSYoungGenPerWorker*ParallelGCThreads |
886
061cd4d965fc
6862534: -XX:NewRatio completely ignored when combined with -XX:+UseConcMarkSweepG
jmasa
parents:
845
diff
changeset
|
1196 |
061cd4d965fc
6862534: -XX:NewRatio completely ignored when combined with -XX:+UseConcMarkSweepG
jmasa
parents:
845
diff
changeset
|
1197 // 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
|
1198 // 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
|
1199 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
|
1200 |
061cd4d965fc
6862534: -XX:NewRatio completely ignored when combined with -XX:+UseConcMarkSweepG
jmasa
parents:
845
diff
changeset
|
1201 // 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
|
1202 // 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
|
1203 // preferred_max_new_size. |
0 | 1204 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
|
1205 FLAG_SET_ERGO(uintx, MaxNewSize, MAX2(NewSize, preferred_max_new_size)); |
0 | 1206 } else { |
13
183f41cf8bfe
6557851: CMS: ergonomics defaults are not set with FLAG_SET_ERGO
jmasa
parents:
10
diff
changeset
|
1207 FLAG_SET_ERGO(uintx, MaxNewSize, preferred_max_new_size); |
0 | 1208 } |
1064 | 1209 if (PrintGCDetails && Verbose) { |
13
183f41cf8bfe
6557851: CMS: ergonomics defaults are not set with FLAG_SET_ERGO
jmasa
parents:
10
diff
changeset
|
1210 // Too early to use gclog_or_tty |
2368
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
1211 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
|
1212 } |
061cd4d965fc
6862534: -XX:NewRatio completely ignored when combined with -XX:+UseConcMarkSweepG
jmasa
parents:
845
diff
changeset
|
1213 |
061cd4d965fc
6862534: -XX:NewRatio completely ignored when combined with -XX:+UseConcMarkSweepG
jmasa
parents:
845
diff
changeset
|
1214 // Code along this path potentially sets NewSize and OldSize |
061cd4d965fc
6862534: -XX:NewRatio completely ignored when combined with -XX:+UseConcMarkSweepG
jmasa
parents:
845
diff
changeset
|
1215 |
2368
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
1216 assert(max_heap >= InitialHeapSize, "Error"); |
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
1217 assert(max_heap >= NewSize, "Error"); |
0 | 1218 |
1064 | 1219 if (PrintGCDetails && Verbose) { |
13
183f41cf8bfe
6557851: CMS: ergonomics defaults are not set with FLAG_SET_ERGO
jmasa
parents:
10
diff
changeset
|
1220 // Too early to use gclog_or_tty |
183f41cf8bfe
6557851: CMS: ergonomics defaults are not set with FLAG_SET_ERGO
jmasa
parents:
10
diff
changeset
|
1221 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
|
1222 " initial_heap_size: " SIZE_FORMAT |
183f41cf8bfe
6557851: CMS: ergonomics defaults are not set with FLAG_SET_ERGO
jmasa
parents:
10
diff
changeset
|
1223 " max_heap: " SIZE_FORMAT, |
1064 | 1224 min_heap_size(), InitialHeapSize, max_heap); |
13
183f41cf8bfe
6557851: CMS: ergonomics defaults are not set with FLAG_SET_ERGO
jmasa
parents:
10
diff
changeset
|
1225 } |
2368
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
1226 size_t min_new = preferred_max_new_size; |
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
1227 if (FLAG_IS_CMDLINE(NewSize)) { |
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
1228 min_new = NewSize; |
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
1229 } |
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
1230 if (max_heap > min_new && min_heap_size() > min_new) { |
0 | 1231 // Unless explicitly requested otherwise, make young gen |
1232 // at least min_new, and at most preferred_max_new_size. | |
1233 if (FLAG_IS_DEFAULT(NewSize)) { | |
13
183f41cf8bfe
6557851: CMS: ergonomics defaults are not set with FLAG_SET_ERGO
jmasa
parents:
10
diff
changeset
|
1234 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
|
1235 FLAG_SET_ERGO(uintx, NewSize, MIN2(preferred_max_new_size, NewSize)); |
1064 | 1236 if (PrintGCDetails && Verbose) { |
13
183f41cf8bfe
6557851: CMS: ergonomics defaults are not set with FLAG_SET_ERGO
jmasa
parents:
10
diff
changeset
|
1237 // Too early to use gclog_or_tty |
2368
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
1238 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
|
1239 } |
0 | 1240 } |
1241 // Unless explicitly requested otherwise, size old gen | |
2368
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
1242 // so it's NewRatio x of NewSize. |
0 | 1243 if (FLAG_IS_DEFAULT(OldSize)) { |
1244 if (max_heap > NewSize) { | |
2368
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
1245 FLAG_SET_ERGO(uintx, OldSize, MIN2(NewRatio*NewSize, max_heap - NewSize)); |
1064 | 1246 if (PrintGCDetails && Verbose) { |
13
183f41cf8bfe
6557851: CMS: ergonomics defaults are not set with FLAG_SET_ERGO
jmasa
parents:
10
diff
changeset
|
1247 // Too early to use gclog_or_tty |
2368
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
1248 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
|
1249 } |
0 | 1250 } |
1251 } | |
1252 } | |
1253 } | |
1254 // Unless explicitly requested otherwise, definitely | |
1255 // promote all objects surviving "tenuring_default" scavenges. | |
1256 if (FLAG_IS_DEFAULT(MaxTenuringThreshold) && | |
1257 FLAG_IS_DEFAULT(SurvivorRatio)) { | |
6818 | 1258 FLAG_SET_ERGO(uintx, MaxTenuringThreshold, tenuring_default); |
0 | 1259 } |
1260 // If we decided above (or user explicitly requested) | |
1261 // `promote all' (via MaxTenuringThreshold := 0), | |
1262 // prefer minuscule survivor spaces so as not to waste | |
1263 // space for (non-existent) survivors | |
1264 if (FLAG_IS_DEFAULT(SurvivorRatio) && MaxTenuringThreshold == 0) { | |
13
183f41cf8bfe
6557851: CMS: ergonomics defaults are not set with FLAG_SET_ERGO
jmasa
parents:
10
diff
changeset
|
1265 FLAG_SET_ERGO(intx, SurvivorRatio, MAX2((intx)1024, SurvivorRatio)); |
0 | 1266 } |
1267 // If OldPLABSize is set and CMSParPromoteBlocksToClaim is not, | |
1268 // set CMSParPromoteBlocksToClaim equal to OldPLABSize. | |
1269 // This is done in order to make ParNew+CMS configuration to work | |
1270 // with YoungPLABSize and OldPLABSize options. | |
1271 // See CR 6362902. | |
1272 if (!FLAG_IS_DEFAULT(OldPLABSize)) { | |
1273 if (FLAG_IS_DEFAULT(CMSParPromoteBlocksToClaim)) { | |
13
183f41cf8bfe
6557851: CMS: ergonomics defaults are not set with FLAG_SET_ERGO
jmasa
parents:
10
diff
changeset
|
1274 // 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
|
1275 // is. In this situtation let CMSParPromoteBlocksToClaim follow |
183f41cf8bfe
6557851: CMS: ergonomics defaults are not set with FLAG_SET_ERGO
jmasa
parents:
10
diff
changeset
|
1276 // 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
|
1277 // OldPLABSize. Following OldPLABSize is an ergonomics decision. |
183f41cf8bfe
6557851: CMS: ergonomics defaults are not set with FLAG_SET_ERGO
jmasa
parents:
10
diff
changeset
|
1278 FLAG_SET_ERGO(uintx, CMSParPromoteBlocksToClaim, OldPLABSize); |
1145
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
1279 } else { |
0 | 1280 // OldPLABSize and CMSParPromoteBlocksToClaim are both set. |
1281 // CMSParPromoteBlocksToClaim is a collector-specific flag, so | |
1282 // we'll let it to take precedence. | |
1283 jio_fprintf(defaultStream::error_stream(), | |
886
061cd4d965fc
6862534: -XX:NewRatio completely ignored when combined with -XX:+UseConcMarkSweepG
jmasa
parents:
845
diff
changeset
|
1284 "Both OldPLABSize and CMSParPromoteBlocksToClaim" |
061cd4d965fc
6862534: -XX:NewRatio completely ignored when combined with -XX:+UseConcMarkSweepG
jmasa
parents:
845
diff
changeset
|
1285 " options are specified for the CMS collector." |
061cd4d965fc
6862534: -XX:NewRatio completely ignored when combined with -XX:+UseConcMarkSweepG
jmasa
parents:
845
diff
changeset
|
1286 " CMSParPromoteBlocksToClaim will take precedence.\n"); |
0 | 1287 } |
1288 } | |
1145
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
1289 if (!FLAG_IS_DEFAULT(ResizeOldPLAB) && !ResizeOldPLAB) { |
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
1290 // OldPLAB sizing manually turned off: Use a larger default setting, |
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
1291 // 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
|
1292 // will slow down scavenges. |
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
1293 if (FLAG_IS_DEFAULT(CMSParPromoteBlocksToClaim)) { |
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
1294 FLAG_SET_ERGO(uintx, CMSParPromoteBlocksToClaim, 50); // default value before 6631166 |
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
1295 } |
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
1296 } |
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
1297 // Overwrite OldPLABSize which is the variable we will internally use everywhere. |
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
1298 FLAG_SET_ERGO(uintx, OldPLABSize, CMSParPromoteBlocksToClaim); |
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
1299 // If either of the static initialization defaults have changed, note this |
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
1300 // modification. |
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
1301 if (!FLAG_IS_DEFAULT(CMSParPromoteBlocksToClaim) || !FLAG_IS_DEFAULT(OldPLABWeight)) { |
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
1302 CFLS_LAB::modify_initialization(OldPLABSize, OldPLABWeight); |
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
1303 } |
1284 | 1304 if (PrintGCDetails && Verbose) { |
1305 tty->print_cr("MarkStackSize: %uk MarkStackSizeMax: %uk", | |
1306 MarkStackSize / K, MarkStackSizeMax / K); | |
1307 tty->print_cr("ConcGCThreads: %u", ConcGCThreads); | |
1308 } | |
0 | 1309 } |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
1310 #endif // INCLUDE_ALTERNATE_GCS |
0 | 1311 |
1571
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
1312 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
|
1313 // Object alignment. |
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
1314 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
|
1315 MinObjAlignmentInBytes = ObjectAlignmentInBytes; |
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
1316 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
|
1317 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
|
1318 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
|
1319 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
|
1320 |
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
1321 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
|
1322 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
|
1323 |
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
1324 // 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
|
1325 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
|
1326 |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
1327 #if INCLUDE_ALTERNATE_GCS |
1571
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
1328 // 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
|
1329 CompactibleFreeListSpace::set_cms_values(); |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
1330 #endif // INCLUDE_ALTERNATE_GCS |
1571
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
1331 } |
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
1332 |
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
1333 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
|
1334 // Object alignment. |
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
1335 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
|
1336 jio_fprintf(defaultStream::error_stream(), |
1829
fe08403130db
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
1796
diff
changeset
|
1337 "error: ObjectAlignmentInBytes=%d must be power of 2\n", |
fe08403130db
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
1796
diff
changeset
|
1338 (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
|
1339 return false; |
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
1340 } |
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
1341 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
|
1342 jio_fprintf(defaultStream::error_stream(), |
1829
fe08403130db
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
1796
diff
changeset
|
1343 "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
|
1344 (int)ObjectAlignmentInBytes, BytesPerLong); |
fe08403130db
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
1796
diff
changeset
|
1345 return false; |
fe08403130db
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
1796
diff
changeset
|
1346 } |
fe08403130db
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
1796
diff
changeset
|
1347 // 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
|
1348 // 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
|
1349 // then a saved space from compressed oops. |
fe08403130db
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
1796
diff
changeset
|
1350 if ((int)ObjectAlignmentInBytes > 256) { |
fe08403130db
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
1796
diff
changeset
|
1351 jio_fprintf(defaultStream::error_stream(), |
fe08403130db
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
1796
diff
changeset
|
1352 "error: ObjectAlignmentInBytes=%d must not be greater then 256\n", |
fe08403130db
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
1796
diff
changeset
|
1353 (int)ObjectAlignmentInBytes); |
fe08403130db
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
1796
diff
changeset
|
1354 return false; |
fe08403130db
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
1796
diff
changeset
|
1355 } |
fe08403130db
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
1796
diff
changeset
|
1356 // In case page size is very small. |
fe08403130db
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
1796
diff
changeset
|
1357 if ((int)ObjectAlignmentInBytes >= os::vm_page_size()) { |
fe08403130db
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
1796
diff
changeset
|
1358 jio_fprintf(defaultStream::error_stream(), |
fe08403130db
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
1796
diff
changeset
|
1359 "error: ObjectAlignmentInBytes=%d must be less then page size %d\n", |
fe08403130db
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
kvn
parents:
1796
diff
changeset
|
1360 (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
|
1361 return false; |
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
1362 } |
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
1363 return true; |
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
1364 } |
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
1365 |
135
b7268662a986
6689523: max heap calculation for compressed oops is off by MaxPermSize
coleenp
parents:
113
diff
changeset
|
1366 inline uintx max_heap_for_compressed_oops() { |
1963 | 1367 // Avoid sign flip. |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
1368 if (OopEncodingHeapMax < ClassMetaspaceSize + os::vm_page_size()) { |
1963 | 1369 return 0; |
1370 } | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
1371 LP64_ONLY(return OopEncodingHeapMax - ClassMetaspaceSize - os::vm_page_size()); |
1064 | 1372 NOT_LP64(ShouldNotReachHere(); return 0); |
135
b7268662a986
6689523: max heap calculation for compressed oops is off by MaxPermSize
coleenp
parents:
113
diff
changeset
|
1373 } |
b7268662a986
6689523: max heap calculation for compressed oops is off by MaxPermSize
coleenp
parents:
113
diff
changeset
|
1374 |
0 | 1375 bool Arguments::should_auto_select_low_pause_collector() { |
1376 if (UseAutoGCSelectPolicy && | |
1377 !FLAG_IS_DEFAULT(MaxGCPauseMillis) && | |
1378 (MaxGCPauseMillis <= AutoGCSelectPauseMillis)) { | |
1379 if (PrintGCDetails) { | |
1380 // Cannot use gclog_or_tty yet. | |
1381 tty->print_cr("Automatic selection of the low pause collector" | |
1382 " based on pause goal of %d (ms)", MaxGCPauseMillis); | |
1383 } | |
1384 return true; | |
1385 } | |
1386 return false; | |
1387 } | |
1388 | |
1389 void Arguments::set_ergonomics_flags() { | |
1390 | |
4946 | 1391 if (os::is_server_class_machine()) { |
0 | 1392 // If no other collector is requested explicitly, |
1393 // let the VM select the collector based on | |
1394 // machine class and automatic selection policy. | |
1395 if (!UseSerialGC && | |
1396 !UseConcMarkSweepGC && | |
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
1397 !UseG1GC && |
0 | 1398 !UseParNewGC && |
1399 FLAG_IS_DEFAULT(UseParallelGC)) { | |
1400 if (should_auto_select_low_pause_collector()) { | |
1401 FLAG_SET_ERGO(bool, UseConcMarkSweepGC, true); | |
1402 } else { | |
1403 FLAG_SET_ERGO(bool, UseParallelGC, true); | |
1404 } | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
1405 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
1406 // Shared spaces work fine with other GCs but causes bytecode rewriting |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
1407 // to be disabled, which hurts interpreter performance and decreases |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
1408 // server performance. On server class machines, keep the default |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
1409 // off unless it is asked for. Future work: either add bytecode rewriting |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
1410 // at link time, or rewrite bytecodes in non-shared methods. |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
1411 if (!DumpSharedSpaces && !RequireSharedSpaces) { |
0 | 1412 no_shared_spaces(); |
1413 } | |
1414 } | |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
76
diff
changeset
|
1415 |
1010 | 1416 #ifndef ZERO |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
76
diff
changeset
|
1417 #ifdef _LP64 |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
76
diff
changeset
|
1418 // Check that UseCompressedOops can be set with the max heap size allocated |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
76
diff
changeset
|
1419 // by ergonomics. |
187 | 1420 if (MaxHeapSize <= max_heap_for_compressed_oops()) { |
1783 | 1421 #if !defined(COMPILER1) || defined(TIERED) |
2228 | 1422 if (FLAG_IS_DEFAULT(UseCompressedOops)) { |
932 | 1423 FLAG_SET_ERGO(bool, UseCompressedOops, true); |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
76
diff
changeset
|
1424 } |
1060 | 1425 #endif |
325
93befa083681
6741004: UseLargePages + UseCompressedOops breaks implicit null checking guard page
coleenp
parents:
276
diff
changeset
|
1426 #ifdef _WIN64 |
93befa083681
6741004: UseLargePages + UseCompressedOops breaks implicit null checking guard page
coleenp
parents:
276
diff
changeset
|
1427 if (UseLargePages && UseCompressedOops) { |
93befa083681
6741004: UseLargePages + UseCompressedOops breaks implicit null checking guard page
coleenp
parents:
276
diff
changeset
|
1428 // Cannot allocate guard pages for implicit checks in indexed addressing |
93befa083681
6741004: UseLargePages + UseCompressedOops breaks implicit null checking guard page
coleenp
parents:
276
diff
changeset
|
1429 // mode, when large pages are specified on windows. |
642
660978a2a31a
6791178: Specialize for zero as the compressed oop vm heap base
kvn
parents:
570
diff
changeset
|
1430 // This flag could be switched ON if narrow oop base address is set to 0, |
660978a2a31a
6791178: Specialize for zero as the compressed oop vm heap base
kvn
parents:
570
diff
changeset
|
1431 // see code in Universe::initialize_heap(). |
660978a2a31a
6791178: Specialize for zero as the compressed oop vm heap base
kvn
parents:
570
diff
changeset
|
1432 Universe::set_narrow_oop_use_implicit_null_checks(false); |
325
93befa083681
6741004: UseLargePages + UseCompressedOops breaks implicit null checking guard page
coleenp
parents:
276
diff
changeset
|
1433 } |
93befa083681
6741004: UseLargePages + UseCompressedOops breaks implicit null checking guard page
coleenp
parents:
276
diff
changeset
|
1434 #endif // _WIN64 |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
76
diff
changeset
|
1435 } else { |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
76
diff
changeset
|
1436 if (UseCompressedOops && !FLAG_IS_DEFAULT(UseCompressedOops)) { |
344 | 1437 warning("Max heap size too large for Compressed Oops"); |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
76
diff
changeset
|
1438 FLAG_SET_DEFAULT(UseCompressedOops, false); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
1439 FLAG_SET_DEFAULT(UseCompressedKlassPointers, false); |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
76
diff
changeset
|
1440 } |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
76
diff
changeset
|
1441 } |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
1442 // UseCompressedOops must be on for UseCompressedKlassPointers to be on. |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
1443 if (!UseCompressedOops) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
1444 if (UseCompressedKlassPointers) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
1445 warning("UseCompressedKlassPointers requires UseCompressedOops"); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
1446 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
1447 FLAG_SET_DEFAULT(UseCompressedKlassPointers, false); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
1448 } else { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
1449 // Turn on UseCompressedKlassPointers too |
6848
8e47bac5643a
7054512: Compress class pointers after perm gen removal
roland
parents:
6818
diff
changeset
|
1450 if (FLAG_IS_DEFAULT(UseCompressedKlassPointers)) { |
8e47bac5643a
7054512: Compress class pointers after perm gen removal
roland
parents:
6818
diff
changeset
|
1451 FLAG_SET_ERGO(bool, UseCompressedKlassPointers, true); |
8e47bac5643a
7054512: Compress class pointers after perm gen removal
roland
parents:
6818
diff
changeset
|
1452 } |
6736
11fb740ce98f
7196103: NPG: Unable to allocate bit map for parallel garbage collection for the requested heap size
coleenp
parents:
6725
diff
changeset
|
1453 // Set the ClassMetaspaceSize to something that will not need to be |
11fb740ce98f
7196103: NPG: Unable to allocate bit map for parallel garbage collection for the requested heap size
coleenp
parents:
6725
diff
changeset
|
1454 // expanded, since it cannot be expanded. |
11fb740ce98f
7196103: NPG: Unable to allocate bit map for parallel garbage collection for the requested heap size
coleenp
parents:
6725
diff
changeset
|
1455 if (UseCompressedKlassPointers && FLAG_IS_DEFAULT(ClassMetaspaceSize)) { |
11fb740ce98f
7196103: NPG: Unable to allocate bit map for parallel garbage collection for the requested heap size
coleenp
parents:
6725
diff
changeset
|
1456 // 100,000 classes seems like a good size, so 100M assumes around 1K |
11fb740ce98f
7196103: NPG: Unable to allocate bit map for parallel garbage collection for the requested heap size
coleenp
parents:
6725
diff
changeset
|
1457 // per klass. The vtable and oopMap is embedded so we don't have a fixed |
11fb740ce98f
7196103: NPG: Unable to allocate bit map for parallel garbage collection for the requested heap size
coleenp
parents:
6725
diff
changeset
|
1458 // size per klass. Eventually, this will be parameterized because it |
11fb740ce98f
7196103: NPG: Unable to allocate bit map for parallel garbage collection for the requested heap size
coleenp
parents:
6725
diff
changeset
|
1459 // would also be useful to determine the optimal size of the |
11fb740ce98f
7196103: NPG: Unable to allocate bit map for parallel garbage collection for the requested heap size
coleenp
parents:
6725
diff
changeset
|
1460 // systemDictionary. |
11fb740ce98f
7196103: NPG: Unable to allocate bit map for parallel garbage collection for the requested heap size
coleenp
parents:
6725
diff
changeset
|
1461 FLAG_SET_ERGO(uintx, ClassMetaspaceSize, 100*M); |
11fb740ce98f
7196103: NPG: Unable to allocate bit map for parallel garbage collection for the requested heap size
coleenp
parents:
6725
diff
changeset
|
1462 } |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
1463 } |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
76
diff
changeset
|
1464 // 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
|
1465 // in vm_version initialization code. |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
76
diff
changeset
|
1466 #endif // _LP64 |
1010 | 1467 #endif // !ZERO |
0 | 1468 } |
1469 | |
1470 void Arguments::set_parallel_gc_flags() { | |
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
1471 assert(UseParallelGC || UseParallelOldGC, "Error"); |
4879 | 1472 // Enable ParallelOld unless it was explicitly disabled (cmd line or rc file). |
1473 if (FLAG_IS_DEFAULT(UseParallelOldGC)) { | |
1474 FLAG_SET_DEFAULT(UseParallelOldGC, true); | |
0 | 1475 } |
4879 | 1476 FLAG_SET_DEFAULT(UseParallelGC, true); |
0 | 1477 |
1478 // If no heap maximum was requested explicitly, use some reasonable fraction | |
1479 // of the physical memory, up to a maximum of 1GB. | |
1480 if (UseParallelGC) { | |
4095
bca17e38de00
6593758: RFE: Enhance GC ergonomics to dynamically choose ParallelGCThreads
jmasa
parents:
4039
diff
changeset
|
1481 FLAG_SET_DEFAULT(ParallelGCThreads, |
bca17e38de00
6593758: RFE: Enhance GC ergonomics to dynamically choose ParallelGCThreads
jmasa
parents:
4039
diff
changeset
|
1482 Abstract_VM_Version::parallel_worker_threads()); |
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1483 |
0 | 1484 // If InitialSurvivorRatio or MinSurvivorRatio were not specified, but the |
1485 // SurvivorRatio has been set, reset their default values to SurvivorRatio + | |
1486 // 2. By doing this we make SurvivorRatio also work for Parallel Scavenger. | |
1487 // See CR 6362902 for details. | |
1488 if (!FLAG_IS_DEFAULT(SurvivorRatio)) { | |
1489 if (FLAG_IS_DEFAULT(InitialSurvivorRatio)) { | |
1490 FLAG_SET_DEFAULT(InitialSurvivorRatio, SurvivorRatio + 2); | |
1491 } | |
1492 if (FLAG_IS_DEFAULT(MinSurvivorRatio)) { | |
1493 FLAG_SET_DEFAULT(MinSurvivorRatio, SurvivorRatio + 2); | |
1494 } | |
1495 } | |
1496 | |
1497 if (UseParallelOldGC) { | |
1498 // Par compact uses lower default values since they are treated as | |
13
183f41cf8bfe
6557851: CMS: ergonomics defaults are not set with FLAG_SET_ERGO
jmasa
parents:
10
diff
changeset
|
1499 // minimums. These are different defaults because of the different |
183f41cf8bfe
6557851: CMS: ergonomics defaults are not set with FLAG_SET_ERGO
jmasa
parents:
10
diff
changeset
|
1500 // interpretation and are not ergonomically set. |
0 | 1501 if (FLAG_IS_DEFAULT(MarkSweepDeadRatio)) { |
13
183f41cf8bfe
6557851: CMS: ergonomics defaults are not set with FLAG_SET_ERGO
jmasa
parents:
10
diff
changeset
|
1502 FLAG_SET_DEFAULT(MarkSweepDeadRatio, 1); |
0 | 1503 } |
1504 } | |
1505 } | |
3322
567c87d484a0
7041501: NUMA: Expand the old gen more aggressively
iveresov
parents:
3315
diff
changeset
|
1506 if (UseNUMA) { |
567c87d484a0
7041501: NUMA: Expand the old gen more aggressively
iveresov
parents:
3315
diff
changeset
|
1507 if (FLAG_IS_DEFAULT(MinHeapDeltaBytes)) { |
567c87d484a0
7041501: NUMA: Expand the old gen more aggressively
iveresov
parents:
3315
diff
changeset
|
1508 FLAG_SET_DEFAULT(MinHeapDeltaBytes, 64*M); |
567c87d484a0
7041501: NUMA: Expand the old gen more aggressively
iveresov
parents:
3315
diff
changeset
|
1509 } |
3885 | 1510 // For those collectors or operating systems (eg, Windows) that do |
1511 // not support full UseNUMA, we will map to UseNUMAInterleaving for now | |
1512 UseNUMAInterleaving = true; | |
3322
567c87d484a0
7041501: NUMA: Expand the old gen more aggressively
iveresov
parents:
3315
diff
changeset
|
1513 } |
0 | 1514 } |
1515 | |
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
1516 void Arguments::set_g1_gc_flags() { |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
1517 assert(UseG1GC, "Error"); |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
1518 #ifdef COMPILER1 |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
1519 FastTLABRefill = false; |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
1520 #endif |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
1521 FLAG_SET_DEFAULT(ParallelGCThreads, |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
1522 Abstract_VM_Version::parallel_worker_threads()); |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
1523 if (ParallelGCThreads == 0) { |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
1524 FLAG_SET_DEFAULT(ParallelGCThreads, |
751 | 1525 Abstract_VM_Version::parallel_worker_threads()); |
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
1526 } |
751 | 1527 |
1284 | 1528 if (FLAG_IS_DEFAULT(MarkStackSize)) { |
1311
2a1472c30599
4396719: Mark Sweep stack overflow on deeply nested Object arrays
jcoomes
parents:
1284
diff
changeset
|
1529 FLAG_SET_DEFAULT(MarkStackSize, 128 * TASKQUEUE_SIZE); |
1284 | 1530 } |
1531 if (PrintGCDetails && Verbose) { | |
1532 tty->print_cr("MarkStackSize: %uk MarkStackSizeMax: %uk", | |
1533 MarkStackSize / K, MarkStackSizeMax / K); | |
1534 tty->print_cr("ConcGCThreads: %u", ConcGCThreads); | |
1535 } | |
1356 | 1536 |
1537 if (FLAG_IS_DEFAULT(GCTimeRatio) || GCTimeRatio == 0) { | |
1538 // In G1, we want the default GC overhead goal to be higher than | |
1539 // say in PS. So we set it here to 10%. Otherwise the heap might | |
1540 // be expanded more aggressively than we would like it to. In | |
1541 // fact, even 10% seems to not be high enough in some cases | |
1542 // (especially small GC stress tests that the main thing they do | |
1543 // is allocation). We might consider increase it further. | |
1544 FLAG_SET_DEFAULT(GCTimeRatio, 9); | |
1545 } | |
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
1546 } |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
1547 |
1064 | 1548 void Arguments::set_heap_size() { |
1549 if (!FLAG_IS_DEFAULT(DefaultMaxRAMFraction)) { | |
1550 // Deprecated flag | |
1551 FLAG_SET_CMDLINE(uintx, MaxRAMFraction, DefaultMaxRAMFraction); | |
1552 } | |
1553 | |
1554 const julong phys_mem = | |
1555 FLAG_IS_DEFAULT(MaxRAM) ? MIN2(os::physical_memory(), (julong)MaxRAM) | |
1556 : (julong)MaxRAM; | |
1557 | |
1558 // If the maximum heap size has not been set with -Xmx, | |
1559 // then set it as fraction of the size of physical memory, | |
1560 // respecting the maximum and minimum sizes of the heap. | |
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
1561 if (FLAG_IS_DEFAULT(MaxHeapSize)) { |
1064 | 1562 julong reasonable_max = phys_mem / MaxRAMFraction; |
1563 | |
1564 if (phys_mem <= MaxHeapSize * MinRAMFraction) { | |
1565 // Small physical memory, so use a minimum fraction of it for the heap | |
1566 reasonable_max = phys_mem / MinRAMFraction; | |
1567 } else { | |
1568 // Not-small physical memory, so require a heap at least | |
1569 // as large as MaxHeapSize | |
1570 reasonable_max = MAX2(reasonable_max, (julong)MaxHeapSize); | |
1571 } | |
1572 if (!FLAG_IS_DEFAULT(ErgoHeapSizeLimit) && ErgoHeapSizeLimit != 0) { | |
1573 // Limit the heap size to ErgoHeapSizeLimit | |
1574 reasonable_max = MIN2(reasonable_max, (julong)ErgoHeapSizeLimit); | |
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
1575 } |
1064 | 1576 if (UseCompressedOops) { |
1577 // Limit the heap size to the maximum possible when using compressed oops | |
1963 | 1578 julong max_coop_heap = (julong)max_heap_for_compressed_oops(); |
1579 if (HeapBaseMinAddress + MaxHeapSize < max_coop_heap) { | |
1580 // Heap should be above HeapBaseMinAddress to get zero based compressed oops | |
1581 // but it should be not less than default MaxHeapSize. | |
1582 max_coop_heap -= HeapBaseMinAddress; | |
1583 } | |
1584 reasonable_max = MIN2(reasonable_max, max_coop_heap); | |
1064 | 1585 } |
1586 reasonable_max = os::allocatable_physical_memory(reasonable_max); | |
1587 | |
1588 if (!FLAG_IS_DEFAULT(InitialHeapSize)) { | |
1589 // An initial heap size was specified on the command line, | |
1590 // so be sure that the maximum size is consistent. Done | |
1591 // after call to allocatable_physical_memory because that | |
1592 // method might reduce the allocation size. | |
1593 reasonable_max = MAX2(reasonable_max, (julong)InitialHeapSize); | |
1594 } | |
1595 | |
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
1596 if (PrintGCDetails && Verbose) { |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
1597 // Cannot use gclog_or_tty yet. |
1064 | 1598 tty->print_cr(" Maximum heap size " SIZE_FORMAT, reasonable_max); |
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
1599 } |
1064 | 1600 FLAG_SET_ERGO(uintx, MaxHeapSize, (uintx)reasonable_max); |
1601 } | |
1602 | |
1603 // If the initial_heap_size has not been set with InitialHeapSize | |
1604 // or -Xms, then set it as fraction of the size of physical memory, | |
1605 // respecting the maximum and minimum sizes of the heap. | |
1606 if (FLAG_IS_DEFAULT(InitialHeapSize)) { | |
1074
84cb6f20afb3
6900899: vm fails to start when -Xmx value is less than OldSize + NewSize
phh
parents:
1069
diff
changeset
|
1607 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
|
1608 |
84cb6f20afb3
6900899: vm fails to start when -Xmx value is less than OldSize + NewSize
phh
parents:
1069
diff
changeset
|
1609 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
|
1610 |
84cb6f20afb3
6900899: vm fails to start when -Xmx value is less than OldSize + NewSize
phh
parents:
1069
diff
changeset
|
1611 reasonable_minimum = os::allocatable_physical_memory(reasonable_minimum); |
84cb6f20afb3
6900899: vm fails to start when -Xmx value is less than OldSize + NewSize
phh
parents:
1069
diff
changeset
|
1612 |
1064 | 1613 julong reasonable_initial = phys_mem / InitialRAMFraction; |
1614 | |
1074
84cb6f20afb3
6900899: vm fails to start when -Xmx value is less than OldSize + NewSize
phh
parents:
1069
diff
changeset
|
1615 reasonable_initial = MAX2(reasonable_initial, reasonable_minimum); |
1064 | 1616 reasonable_initial = MIN2(reasonable_initial, (julong)MaxHeapSize); |
1617 | |
1618 reasonable_initial = os::allocatable_physical_memory(reasonable_initial); | |
1619 | |
1620 if (PrintGCDetails && Verbose) { | |
1621 // Cannot use gclog_or_tty yet. | |
1622 tty->print_cr(" Initial heap size " SIZE_FORMAT, (uintx)reasonable_initial); | |
1074
84cb6f20afb3
6900899: vm fails to start when -Xmx value is less than OldSize + NewSize
phh
parents:
1069
diff
changeset
|
1623 tty->print_cr(" Minimum heap size " SIZE_FORMAT, (uintx)reasonable_minimum); |
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
1624 } |
1064 | 1625 FLAG_SET_ERGO(uintx, InitialHeapSize, (uintx)reasonable_initial); |
1074
84cb6f20afb3
6900899: vm fails to start when -Xmx value is less than OldSize + NewSize
phh
parents:
1069
diff
changeset
|
1626 set_min_heap_size((uintx)reasonable_minimum); |
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
1627 } |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
1628 } |
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
1629 |
0 | 1630 // This must be called after ergonomics because we want bytecode rewriting |
1631 // if the server compiler is used, or if UseSharedSpaces is disabled. | |
1632 void Arguments::set_bytecode_flags() { | |
1633 // Better not attempt to store into a read-only space. | |
1634 if (UseSharedSpaces) { | |
1635 FLAG_SET_DEFAULT(RewriteBytecodes, false); | |
1636 FLAG_SET_DEFAULT(RewriteFrequentPairs, false); | |
1637 } | |
1638 | |
1639 if (!RewriteBytecodes) { | |
1640 FLAG_SET_DEFAULT(RewriteFrequentPairs, false); | |
1641 } | |
1642 } | |
1643 | |
1644 // Aggressive optimization flags -XX:+AggressiveOpts | |
1645 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
|
1646 #ifdef COMPILER2 |
ff5961f4c095
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
never
parents:
0
diff
changeset
|
1647 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
|
1648 if (FLAG_IS_DEFAULT(EliminateAutoBox)) { |
ff5961f4c095
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
never
parents:
0
diff
changeset
|
1649 FLAG_SET_DEFAULT(EliminateAutoBox, true); |
ff5961f4c095
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
never
parents:
0
diff
changeset
|
1650 } |
ff5961f4c095
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
never
parents:
0
diff
changeset
|
1651 if (FLAG_IS_DEFAULT(AutoBoxCacheMax)) { |
ff5961f4c095
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
never
parents:
0
diff
changeset
|
1652 FLAG_SET_DEFAULT(AutoBoxCacheMax, 20000); |
ff5961f4c095
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
never
parents:
0
diff
changeset
|
1653 } |
ff5961f4c095
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
never
parents:
0
diff
changeset
|
1654 |
ff5961f4c095
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
never
parents:
0
diff
changeset
|
1655 // 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
|
1656 char buffer[1024]; |
513
2328d1d3f8cf
6781583: Hotspot build fails on linux 64 bit platform with gcc 4.3.2
xlu
parents:
489
diff
changeset
|
1657 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
|
1658 add_property(buffer); |
ff5961f4c095
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
never
parents:
0
diff
changeset
|
1659 } |
416
b6cfd754403d
6649622: HotSpot Biased locking needs tuning on latest CPUs
never
parents:
363
diff
changeset
|
1660 if (AggressiveOpts && FLAG_IS_DEFAULT(BiasedLockingStartupDelay)) { |
b6cfd754403d
6649622: HotSpot Biased locking needs tuning on latest CPUs
never
parents:
363
diff
changeset
|
1661 FLAG_SET_DEFAULT(BiasedLockingStartupDelay, 500); |
b6cfd754403d
6649622: HotSpot Biased locking needs tuning on latest CPUs
never
parents:
363
diff
changeset
|
1662 } |
17
ff5961f4c095
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
never
parents:
0
diff
changeset
|
1663 #endif |
ff5961f4c095
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
never
parents:
0
diff
changeset
|
1664 |
0 | 1665 if (AggressiveOpts) { |
61 | 1666 // Sample flag setting code |
1667 // if (FLAG_IS_DEFAULT(EliminateZeroing)) { | |
1668 // FLAG_SET_DEFAULT(EliminateZeroing, true); | |
1669 // } | |
0 | 1670 } |
1671 } | |
1672 | |
1673 //=========================================================================================================== | |
1674 // Parsing of java.compiler property | |
1675 | |
1676 void Arguments::process_java_compiler_argument(char* arg) { | |
1677 // For backwards compatibility, Djava.compiler=NONE or "" | |
1678 // causes us to switch to -Xint mode UNLESS -Xdebug | |
1679 // is also specified. | |
1680 if (strlen(arg) == 0 || strcasecmp(arg, "NONE") == 0) { | |
1681 set_java_compiler(true); // "-Djava.compiler[=...]" most recently seen. | |
1682 } | |
1683 } | |
1684 | |
1685 void Arguments::process_java_launcher_argument(const char* launcher, void* extra_info) { | |
1686 _sun_java_launcher = strdup(launcher); | |
2302
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
1687 if (strcmp("gamma", _sun_java_launcher) == 0) { |
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
1688 _created_by_gamma_launcher = true; |
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
1689 } |
0 | 1690 } |
1691 | |
1692 bool Arguments::created_by_java_launcher() { | |
1693 assert(_sun_java_launcher != NULL, "property must have value"); | |
1694 return strcmp(DEFAULT_JAVA_LAUNCHER, _sun_java_launcher) != 0; | |
1695 } | |
1696 | |
2302
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
1697 bool Arguments::created_by_gamma_launcher() { |
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
1698 return _created_by_gamma_launcher; |
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
1699 } |
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
1700 |
0 | 1701 //=========================================================================================================== |
1702 // Parsing of main arguments | |
1703 | |
1244
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
1704 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
|
1705 uintx max, const char* name) { |
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
1706 // 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
|
1707 // false, otherwise. |
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
1708 if (val >= min && val <= max) { |
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
1709 return true; |
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
1710 } |
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
1711 jio_fprintf(defaultStream::error_stream(), |
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
1712 "%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
|
1713 " and " UINTX_FORMAT "\n", |
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
1714 name, val, min, max); |
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
1715 return false; |
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
1716 } |
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
1717 |
1744
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
1718 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
|
1719 // 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
|
1720 // false, otherwise. |
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
1721 if (val >= min ) { |
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
1722 return true; |
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
1723 } |
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
1724 jio_fprintf(defaultStream::error_stream(), |
2366
1fb790245268
6820066: Check that -XX:ParGCArrayScanChunk has a value larger than zero.
jwilhelm
parents:
2362
diff
changeset
|
1725 "%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
|
1726 name, val, min); |
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
1727 return false; |
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
1728 } |
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
1729 |
0 | 1730 bool Arguments::verify_percentage(uintx value, const char* name) { |
1731 if (value <= 100) { | |
1732 return true; | |
1733 } | |
1734 jio_fprintf(defaultStream::error_stream(), | |
1735 "%s of " UINTX_FORMAT " is invalid; must be between 0 and 100\n", | |
1736 name, value); | |
1737 return false; | |
1738 } | |
1739 | |
1064 | 1740 static void force_serial_gc() { |
0 | 1741 FLAG_SET_DEFAULT(UseSerialGC, true); |
1742 FLAG_SET_DEFAULT(UseParNewGC, false); | |
1743 FLAG_SET_DEFAULT(UseConcMarkSweepGC, false); | |
945
68ef3fdcdb76
6872136: CMS: confusing message may be printed when a collector is switched off implicitly
ysr
parents:
932
diff
changeset
|
1744 FLAG_SET_DEFAULT(CMSIncrementalMode, false); // special CMS suboption |
0 | 1745 FLAG_SET_DEFAULT(UseParallelGC, false); |
1746 FLAG_SET_DEFAULT(UseParallelOldGC, false); | |
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
1747 FLAG_SET_DEFAULT(UseG1GC, false); |
0 | 1748 } |
1749 | |
1750 static bool verify_serial_gc_flags() { | |
1751 return (UseSerialGC && | |
945
68ef3fdcdb76
6872136: CMS: confusing message may be printed when a collector is switched off implicitly
ysr
parents:
932
diff
changeset
|
1752 !(UseParNewGC || (UseConcMarkSweepGC || CMSIncrementalMode) || UseG1GC || |
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
1753 UseParallelGC || UseParallelOldGC)); |
0 | 1754 } |
1755 | |
3767
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1756 // check if do gclog rotation |
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1757 // +UseGCLogFileRotation is a must, |
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1758 // no gc log rotation when log file not supplied or |
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1759 // NumberOfGCLogFiles is 0, or GCLogFileSize is 0 |
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1760 void check_gclog_consistency() { |
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1761 if (UseGCLogFileRotation) { |
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1762 if ((Arguments::gc_log_filename() == NULL) || |
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1763 (NumberOfGCLogFiles == 0) || |
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1764 (GCLogFileSize == 0)) { |
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1765 jio_fprintf(defaultStream::output_stream(), |
3769
ef2d1b8f2dd4
7051430: CMS: ongoing CMS cycle should terminate abruptly to allow prompt JVM termination at exit
ysr
parents:
3767
diff
changeset
|
1766 "To enable GC log rotation, use -Xloggc:<filename> -XX:+UseGCLogFileRotation -XX:NumberOfGCLogFiles=<num_of_files> -XX:GCLogFileSize=<num_of_size>\n" |
3767
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1767 "where num_of_file > 0 and num_of_size > 0\n" |
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1768 "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
|
1769 UseGCLogFileRotation = false; |
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1770 } |
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1771 } |
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1772 |
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1773 if (UseGCLogFileRotation && GCLogFileSize < 8*K) { |
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1774 FLAG_SET_CMDLINE(uintx, GCLogFileSize, 8*K); |
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1775 jio_fprintf(defaultStream::output_stream(), |
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1776 "GCLogFileSize changed to minimum 8K\n"); |
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1777 } |
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1778 } |
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1779 |
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1780 // Check consistency of GC selection |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1781 bool Arguments::check_gc_consistency() { |
3767
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
1782 check_gclog_consistency(); |
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1783 bool status = true; |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1784 // 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
|
1785 // 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
|
1786 // 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
|
1787 // 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
|
1788 // 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
|
1789 // 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
|
1790 // select conflicting combinations. |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1791 uint i = 0; |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1792 if (UseSerialGC) i++; |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1793 if (UseConcMarkSweepGC || UseParNewGC) i++; |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1794 if (UseParallelGC || UseParallelOldGC) i++; |
845
df6caf649ff7
6700789: G1: Enable use of compressed oops with G1 heaps
ysr
parents:
751
diff
changeset
|
1795 if (UseG1GC) i++; |
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1796 if (i > 1) { |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1797 jio_fprintf(defaultStream::error_stream(), |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1798 "Conflicting collector combinations in option list; " |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1799 "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
|
1800 "allowed\n"); |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1801 status = false; |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1802 } |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1803 |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1804 return status; |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1805 } |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1806 |
1744
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
1807 // Check stack pages settings |
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
1808 bool Arguments::check_stack_pages() |
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
1809 { |
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
1810 bool status = true; |
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
1811 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
|
1812 status = status && verify_min_value(StackRedPages, 1, "StackRedPages"); |
1867
b6aedd1acdc0
6983240: guarantee((Solaris::min_stack_allowed >= (StackYellowPages+StackRedPages...) wrong
coleenp
parents:
1864
diff
changeset
|
1813 // 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
|
1814 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
|
1815 return status; |
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
1816 } |
f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
ptisnovs
parents:
1681
diff
changeset
|
1817 |
0 | 1818 // Check the consistency of vm_init_args |
1819 bool Arguments::check_vm_args_consistency() { | |
1820 // Method for adding checks for flag consistency. | |
1821 // The intent is to warn the user of all possible conflicts, | |
1822 // before returning an error. | |
1823 // Note: Needs platform-dependent factoring. | |
1824 bool status = true; | |
1825 | |
1826 #if ( (defined(COMPILER2) && defined(SPARC))) | |
1827 // NOTE: The call to VM_Version_init depends on the fact that VM_Version_init | |
1828 // on sparc doesn't require generation of a stub as is the case on, e.g., | |
1829 // x86. Normally, VM_Version_init must be called from init_globals in | |
1830 // init.cpp, which is called by the initial java thread *after* arguments | |
1831 // have been parsed. VM_Version_init gets called twice on sparc. | |
1832 extern void VM_Version_init(); | |
1833 VM_Version_init(); | |
1834 if (!VM_Version::has_v9()) { | |
1835 jio_fprintf(defaultStream::error_stream(), | |
1836 "V8 Machine detected, Server requires V9\n"); | |
1837 status = false; | |
1838 } | |
1839 #endif /* COMPILER2 && SPARC */ | |
1840 | |
1841 // Allow both -XX:-UseStackBanging and -XX:-UseBoundThreads in non-product | |
1842 // builds so the cost of stack banging can be measured. | |
1843 #if (defined(PRODUCT) && defined(SOLARIS)) | |
1844 if (!UseBoundThreads && !UseStackBanging) { | |
1845 jio_fprintf(defaultStream::error_stream(), | |
1846 "-UseStackBanging conflicts with -UseBoundThreads\n"); | |
1847 | |
1848 status = false; | |
1849 } | |
1850 #endif | |
1851 | |
1852 if (TLABRefillWasteFraction == 0) { | |
1853 jio_fprintf(defaultStream::error_stream(), | |
1854 "TLABRefillWasteFraction should be a denominator, " | |
1855 "not " SIZE_FORMAT "\n", | |
1856 TLABRefillWasteFraction); | |
1857 status = false; | |
1858 } | |
1859 | |
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1860 status = status && verify_percentage(AdaptiveSizePolicyWeight, |
0 | 1861 "AdaptiveSizePolicyWeight"); |
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1862 status = status && verify_percentage(ThresholdTolerance, "ThresholdTolerance"); |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1863 status = status && verify_percentage(MinHeapFreeRatio, "MinHeapFreeRatio"); |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1864 status = status && verify_percentage(MaxHeapFreeRatio, "MaxHeapFreeRatio"); |
0 | 1865 |
6982
e4f764ddb06a
7122219: Passed StringTableSize value not verified
hseigel
parents:
6928
diff
changeset
|
1866 // 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
|
1867 // calculating amount of memory needed to be allocated for the String table. |
e4f764ddb06a
7122219: Passed StringTableSize value not verified
hseigel
parents:
6928
diff
changeset
|
1868 status = status && verify_interval(StringTableSize, defaultStringTableSize, |
e4f764ddb06a
7122219: Passed StringTableSize value not verified
hseigel
parents:
6928
diff
changeset
|
1869 (max_uintx / StringTable::bucket_size()), "StringTable size"); |
e4f764ddb06a
7122219: Passed StringTableSize value not verified
hseigel
parents:
6928
diff
changeset
|
1870 |
0 | 1871 if (MinHeapFreeRatio > MaxHeapFreeRatio) { |
1872 jio_fprintf(defaultStream::error_stream(), | |
1873 "MinHeapFreeRatio (" UINTX_FORMAT ") must be less than or " | |
1874 "equal to MaxHeapFreeRatio (" UINTX_FORMAT ")\n", | |
1875 MinHeapFreeRatio, MaxHeapFreeRatio); | |
1876 status = false; | |
1877 } | |
1878 // Keeping the heap 100% free is hard ;-) so limit it to 99%. | |
1879 MinHeapFreeRatio = MIN2(MinHeapFreeRatio, (uintx) 99); | |
1880 | |
1881 if (FullGCALot && FLAG_IS_DEFAULT(MarkSweepAlwaysCompactCount)) { | |
1882 MarkSweepAlwaysCompactCount = 1; // Move objects every gc. | |
1883 } | |
1884 | |
483
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
1885 if (UseParallelOldGC && ParallelOldGCSplitALot) { |
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
1886 // Settings to encourage splitting. |
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
1887 if (!FLAG_IS_CMDLINE(NewRatio)) { |
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
1888 FLAG_SET_CMDLINE(intx, NewRatio, 2); |
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
1889 } |
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
1890 if (!FLAG_IS_CMDLINE(ScavengeBeforeFullGC)) { |
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
1891 FLAG_SET_CMDLINE(bool, ScavengeBeforeFullGC, false); |
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
1892 } |
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
1893 } |
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
449
diff
changeset
|
1894 |
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1895 status = status && verify_percentage(GCHeapFreeLimit, "GCHeapFreeLimit"); |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1896 status = status && verify_percentage(GCTimeLimit, "GCTimeLimit"); |
0 | 1897 if (GCTimeLimit == 100) { |
1898 // Turn off gc-overhead-limit-exceeded checks | |
1899 FLAG_SET_DEFAULT(UseGCOverheadLimit, false); | |
1900 } | |
1901 | |
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1902 status = status && verify_percentage(GCHeapFreeLimit, "GCHeapFreeLimit"); |
0 | 1903 |
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1904 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
|
1905 status = status && check_stack_pages(); |
0 | 1906 |
1907 if (_has_alloc_profile) { | |
1908 if (UseParallelGC || UseParallelOldGC) { | |
1909 jio_fprintf(defaultStream::error_stream(), | |
1910 "error: invalid argument combination.\n" | |
1911 "Allocation profiling (-Xaprof) cannot be used together with " | |
1912 "Parallel GC (-XX:+UseParallelGC or -XX:+UseParallelOldGC).\n"); | |
1913 status = false; | |
1914 } | |
1915 if (UseConcMarkSweepGC) { | |
1916 jio_fprintf(defaultStream::error_stream(), | |
1917 "error: invalid argument combination.\n" | |
1918 "Allocation profiling (-Xaprof) cannot be used together with " | |
1919 "the CMS collector (-XX:+UseConcMarkSweepGC).\n"); | |
1920 status = false; | |
1921 } | |
1922 } | |
1923 | |
1924 if (CMSIncrementalMode) { | |
1925 if (!UseConcMarkSweepGC) { | |
1926 jio_fprintf(defaultStream::error_stream(), | |
1927 "error: invalid argument combination.\n" | |
1928 "The CMS collector (-XX:+UseConcMarkSweepGC) must be " | |
1929 "selected in order\nto use CMSIncrementalMode.\n"); | |
1930 status = false; | |
1931 } else { | |
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1932 status = status && verify_percentage(CMSIncrementalDutyCycle, |
0 | 1933 "CMSIncrementalDutyCycle"); |
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1934 status = status && verify_percentage(CMSIncrementalDutyCycleMin, |
0 | 1935 "CMSIncrementalDutyCycleMin"); |
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1936 status = status && verify_percentage(CMSIncrementalSafetyFactor, |
0 | 1937 "CMSIncrementalSafetyFactor"); |
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1938 status = status && verify_percentage(CMSIncrementalOffset, |
0 | 1939 "CMSIncrementalOffset"); |
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
1940 status = status && verify_percentage(CMSExpAvgFactor, |
0 | 1941 "CMSExpAvgFactor"); |
1942 // If it was not set on the command line, set | |
1943 // CMSInitiatingOccupancyFraction to 1 so icms can initiate cycles early. | |
1944 if (CMSInitiatingOccupancyFraction < 0) { | |
1945 FLAG_SET_DEFAULT(CMSInitiatingOccupancyFraction, 1); | |
1946 } | |
1947 } | |
1948 } | |
1949 | |
1950 // CMS space iteration, which FLSVerifyAllHeapreferences entails, | |
1951 // insists that we hold the requisite locks so that the iteration is | |
1952 // MT-safe. For the verification at start-up and shut-down, we don't | |
1953 // yet have a good way of acquiring and releasing these locks, | |
1954 // which are not visible at the CollectedHeap level. We want to | |
1955 // be able to acquire these locks and then do the iteration rather | |
1956 // than just disable the lock verification. This will be fixed under | |
1957 // bug 4788986. | |
1958 if (UseConcMarkSweepGC && FLSVerifyAllHeapReferences) { | |
1959 if (VerifyGCStartAt == 0) { | |
1960 warning("Heap verification at start-up disabled " | |
1961 "(due to current incompatibility with FLSVerifyAllHeapReferences)"); | |
1962 VerifyGCStartAt = 1; // Disable verification at start-up | |
1963 } | |
1964 if (VerifyBeforeExit) { | |
1965 warning("Heap verification at shutdown disabled " | |
1966 "(due to current incompatibility with FLSVerifyAllHeapReferences)"); | |
1967 VerifyBeforeExit = false; // Disable verification at shutdown | |
1968 } | |
1969 } | |
1970 | |
1971 // Note: only executed in non-PRODUCT mode | |
1972 if (!UseAsyncConcMarkSweepGC && | |
1973 (ExplicitGCInvokesConcurrent || | |
1974 ExplicitGCInvokesConcurrentAndUnloadsClasses)) { | |
1975 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
|
1976 "error: +ExplicitGCInvokesConcurrent[AndUnloadsClasses] conflicts" |
0 | 1977 " with -UseAsyncConcMarkSweepGC"); |
1978 status = false; | |
1979 } | |
1980 | |
2366
1fb790245268
6820066: Check that -XX:ParGCArrayScanChunk has a value larger than zero.
jwilhelm
parents:
2362
diff
changeset
|
1981 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
|
1982 |
2174
234761c55641
6608385: G1: need to support parallel reference processing
johnc
parents:
2129
diff
changeset
|
1983 #ifndef SERIALGC |
1283
1c72304f1885
6928073: G1: use existing command line parameters for marking cycle initiation
tonyp
parents:
1257
diff
changeset
|
1984 if (UseG1GC) { |
1c72304f1885
6928073: G1: use existing command line parameters for marking cycle initiation
tonyp
parents:
1257
diff
changeset
|
1985 status = status && verify_percentage(InitiatingHeapOccupancyPercent, |
1c72304f1885
6928073: G1: use existing command line parameters for marking cycle initiation
tonyp
parents:
1257
diff
changeset
|
1986 "InitiatingHeapOccupancyPercent"); |
2174
234761c55641
6608385: G1: need to support parallel reference processing
johnc
parents:
2129
diff
changeset
|
1987 status = status && verify_min_value(G1RefProcDrainInterval, 1, |
234761c55641
6608385: G1: need to support parallel reference processing
johnc
parents:
2129
diff
changeset
|
1988 "G1RefProcDrainInterval"); |
234761c55641
6608385: G1: need to support parallel reference processing
johnc
parents:
2129
diff
changeset
|
1989 status = status && verify_min_value((intx)G1ConcMarkStepDurationMillis, 1, |
234761c55641
6608385: G1: need to support parallel reference processing
johnc
parents:
2129
diff
changeset
|
1990 "G1ConcMarkStepDurationMillis"); |
1283
1c72304f1885
6928073: G1: use existing command line parameters for marking cycle initiation
tonyp
parents:
1257
diff
changeset
|
1991 } |
2174
234761c55641
6608385: G1: need to support parallel reference processing
johnc
parents:
2129
diff
changeset
|
1992 #endif |
1283
1c72304f1885
6928073: G1: use existing command line parameters for marking cycle initiation
tonyp
parents:
1257
diff
changeset
|
1993 |
1244
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
1994 status = status && verify_interval(RefDiscoveryPolicy, |
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
1995 ReferenceProcessor::DiscoveryPolicyMin, |
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
1996 ReferenceProcessor::DiscoveryPolicyMax, |
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
1997 "RefDiscoveryPolicy"); |
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
1998 |
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
1999 // 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
|
2000 // expression. |
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2001 status = status && verify_interval(TLABWasteTargetPercent, |
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2002 1, 100, "TLABWasteTargetPercent"); |
745c853ee57f
6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash
johnc
parents:
1188
diff
changeset
|
2003 |
1571
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
2004 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
|
2005 |
6736
11fb740ce98f
7196103: NPG: Unable to allocate bit map for parallel garbage collection for the requested heap size
coleenp
parents:
6725
diff
changeset
|
2006 status = status && verify_min_value(ClassMetaspaceSize, 1*M, |
11fb740ce98f
7196103: NPG: Unable to allocate bit map for parallel garbage collection for the requested heap size
coleenp
parents:
6725
diff
changeset
|
2007 "ClassMetaspaceSize"); |
11fb740ce98f
7196103: NPG: Unable to allocate bit map for parallel garbage collection for the requested heap size
coleenp
parents:
6725
diff
changeset
|
2008 |
6755
bc675e55b48c
7193946: Move warnings associated with UseMemSetInBOT flag
johnc
parents:
6736
diff
changeset
|
2009 #ifdef SPARC |
bc675e55b48c
7193946: Move warnings associated with UseMemSetInBOT flag
johnc
parents:
6736
diff
changeset
|
2010 if (UseConcMarkSweepGC || UseG1GC) { |
bc675e55b48c
7193946: Move warnings associated with UseMemSetInBOT flag
johnc
parents:
6736
diff
changeset
|
2011 // Issue a stern warning if the user has explicitly set |
bc675e55b48c
7193946: Move warnings associated with UseMemSetInBOT flag
johnc
parents:
6736
diff
changeset
|
2012 // UseMemSetInBOT (it is known to cause issues), but allow |
bc675e55b48c
7193946: Move warnings associated with UseMemSetInBOT flag
johnc
parents:
6736
diff
changeset
|
2013 // use for experimentation and debugging. |
bc675e55b48c
7193946: Move warnings associated with UseMemSetInBOT flag
johnc
parents:
6736
diff
changeset
|
2014 if (VM_Version::is_sun4v() && UseMemSetInBOT) { |
bc675e55b48c
7193946: Move warnings associated with UseMemSetInBOT flag
johnc
parents:
6736
diff
changeset
|
2015 assert(!FLAG_IS_DEFAULT(UseMemSetInBOT), "Error"); |
bc675e55b48c
7193946: Move warnings associated with UseMemSetInBOT flag
johnc
parents:
6736
diff
changeset
|
2016 warning("Experimental flag -XX:+UseMemSetInBOT is known to cause instability" |
bc675e55b48c
7193946: Move warnings associated with UseMemSetInBOT flag
johnc
parents:
6736
diff
changeset
|
2017 " on sun4v; please understand that you are using at your own risk!"); |
bc675e55b48c
7193946: Move warnings associated with UseMemSetInBOT flag
johnc
parents:
6736
diff
changeset
|
2018 } |
bc675e55b48c
7193946: Move warnings associated with UseMemSetInBOT flag
johnc
parents:
6736
diff
changeset
|
2019 } |
bc675e55b48c
7193946: Move warnings associated with UseMemSetInBOT flag
johnc
parents:
6736
diff
changeset
|
2020 #endif // SPARC |
bc675e55b48c
7193946: Move warnings associated with UseMemSetInBOT flag
johnc
parents:
6736
diff
changeset
|
2021 |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2022 if (PrintNMTStatistics) { |
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2023 #if INCLUDE_NMT |
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2024 if (MemTracker::tracking_level() == MemTracker::NMT_off) { |
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2025 #endif // INCLUDE_NMT |
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2026 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
|
2027 PrintNMTStatistics = false; |
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2028 #if INCLUDE_NMT |
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2029 } |
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2030 #endif |
6770
9a86ddfc6c8f
7188594: Print statistic collected by NMT with VM flag
zgu
parents:
6736
diff
changeset
|
2031 } |
4559
723df37192d6
Make it possible again to build a real client libjvm, drop the UseGraal flag.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
4350
diff
changeset
|
2032 #ifdef GRAAL |
723df37192d6
Make it possible again to build a real client libjvm, drop the UseGraal flag.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
4350
diff
changeset
|
2033 if (UseCompressedOops) { |
723df37192d6
Make it possible again to build a real client libjvm, drop the UseGraal flag.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
4350
diff
changeset
|
2034 jio_fprintf(defaultStream::error_stream(), |
723df37192d6
Make it possible again to build a real client libjvm, drop the UseGraal flag.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
4350
diff
changeset
|
2035 "CompressedOops are not supported in Graal at the moment\n"); |
723df37192d6
Make it possible again to build a real client libjvm, drop the UseGraal flag.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
4350
diff
changeset
|
2036 status = false; |
723df37192d6
Make it possible again to build a real client libjvm, drop the UseGraal flag.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
4350
diff
changeset
|
2037 } |
6995
edb2d7ed9a01
ensure UseCompressedKlassPointers is disabled in Graal VM
Doug Simon <doug.simon@oracle.com>
parents:
6948
diff
changeset
|
2038 if (UseCompressedKlassPointers) { |
edb2d7ed9a01
ensure UseCompressedKlassPointers is disabled in Graal VM
Doug Simon <doug.simon@oracle.com>
parents:
6948
diff
changeset
|
2039 jio_fprintf(defaultStream::error_stream(), |
edb2d7ed9a01
ensure UseCompressedKlassPointers is disabled in Graal VM
Doug Simon <doug.simon@oracle.com>
parents:
6948
diff
changeset
|
2040 "UseCompressedKlassPointers are not supported in Graal at the moment\n"); |
edb2d7ed9a01
ensure UseCompressedKlassPointers is disabled in Graal VM
Doug Simon <doug.simon@oracle.com>
parents:
6948
diff
changeset
|
2041 status = false; |
edb2d7ed9a01
ensure UseCompressedKlassPointers is disabled in Graal VM
Doug Simon <doug.simon@oracle.com>
parents:
6948
diff
changeset
|
2042 } |
4559
723df37192d6
Make it possible again to build a real client libjvm, drop the UseGraal flag.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
4350
diff
changeset
|
2043 if (UseG1GC) { |
723df37192d6
Make it possible again to build a real client libjvm, drop the UseGraal flag.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
4350
diff
changeset
|
2044 jio_fprintf(defaultStream::error_stream(), |
723df37192d6
Make it possible again to build a real client libjvm, drop the UseGraal flag.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
4350
diff
changeset
|
2045 "G1 is not supported in Graal at the moment\n"); |
6948
e522a00b91aa
Merge with http://hg.openjdk.java.net/hsx/hsx25/hotspot/ after NPG - C++ build works
Doug Simon <doug.simon@oracle.com>
diff
changeset
|
2046 status = false; |
4559
723df37192d6
Make it possible again to build a real client libjvm, drop the UseGraal flag.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
4350
diff
changeset
|
2047 } |
6948
e522a00b91aa
Merge with http://hg.openjdk.java.net/hsx/hsx25/hotspot/ after NPG - C++ build works
Doug Simon <doug.simon@oracle.com>
diff
changeset
|
2048 |
e522a00b91aa
Merge with http://hg.openjdk.java.net/hsx/hsx25/hotspot/ after NPG - C++ build works
Doug Simon <doug.simon@oracle.com>
diff
changeset
|
2049 if (!ScavengeRootsInCode) { |
e522a00b91aa
Merge with http://hg.openjdk.java.net/hsx/hsx25/hotspot/ after NPG - C++ build works
Doug Simon <doug.simon@oracle.com>
diff
changeset
|
2050 warning("forcing ScavengeRootsInCode non-zero because Graal is enabled"); |
e522a00b91aa
Merge with http://hg.openjdk.java.net/hsx/hsx25/hotspot/ after NPG - C++ build works
Doug Simon <doug.simon@oracle.com>
diff
changeset
|
2051 ScavengeRootsInCode = 1; |
e522a00b91aa
Merge with http://hg.openjdk.java.net/hsx/hsx25/hotspot/ after NPG - C++ build works
Doug Simon <doug.simon@oracle.com>
diff
changeset
|
2052 } |
e522a00b91aa
Merge with http://hg.openjdk.java.net/hsx/hsx25/hotspot/ after NPG - C++ build works
Doug Simon <doug.simon@oracle.com>
diff
changeset
|
2053 |
4559
723df37192d6
Make it possible again to build a real client libjvm, drop the UseGraal flag.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
4350
diff
changeset
|
2054 #endif |
0 | 2055 return status; |
2056 } | |
2057 | |
2058 bool Arguments::is_bad_option(const JavaVMOption* option, jboolean ignore, | |
2059 const char* option_type) { | |
2060 if (ignore) return false; | |
2061 | |
2062 const char* spacer = " "; | |
2063 if (option_type == NULL) { | |
2064 option_type = ++spacer; // Set both to the empty string. | |
2065 } | |
2066 | |
2067 if (os::obsolete_option(option)) { | |
2068 jio_fprintf(defaultStream::error_stream(), | |
2069 "Obsolete %s%soption: %s\n", option_type, spacer, | |
2070 option->optionString); | |
2071 return false; | |
2072 } else { | |
2073 jio_fprintf(defaultStream::error_stream(), | |
2074 "Unrecognized %s%soption: %s\n", option_type, spacer, | |
2075 option->optionString); | |
2076 return true; | |
2077 } | |
2078 } | |
2079 | |
2080 static const char* user_assertion_options[] = { | |
2081 "-da", "-ea", "-disableassertions", "-enableassertions", 0 | |
2082 }; | |
2083 | |
2084 static const char* system_assertion_options[] = { | |
2085 "-dsa", "-esa", "-disablesystemassertions", "-enablesystemassertions", 0 | |
2086 }; | |
2087 | |
2088 // Return true if any of the strings in null-terminated array 'names' matches. | |
2089 // If tail_allowed is true, then the tail must begin with a colon; otherwise, | |
2090 // the option must match exactly. | |
2091 static bool match_option(const JavaVMOption* option, const char** names, const char** tail, | |
2092 bool tail_allowed) { | |
2093 for (/* empty */; *names != NULL; ++names) { | |
2094 if (match_option(option, *names, tail)) { | |
2095 if (**tail == '\0' || tail_allowed && **tail == ':') { | |
2096 return true; | |
2097 } | |
2098 } | |
2099 } | |
2100 return false; | |
2101 } | |
2102 | |
1284 | 2103 bool Arguments::parse_uintx(const char* value, |
2104 uintx* uintx_arg, | |
2105 uintx min_size) { | |
2106 | |
2107 // Check the sign first since atomull() parses only unsigned values. | |
2108 bool value_is_positive = !(*value == '-'); | |
2109 | |
2110 if (value_is_positive) { | |
2111 julong n; | |
2112 bool good_return = atomull(value, &n); | |
2113 if (good_return) { | |
2114 bool above_minimum = n >= min_size; | |
2115 bool value_is_too_large = n > max_uintx; | |
2116 | |
2117 if (above_minimum && !value_is_too_large) { | |
2118 *uintx_arg = n; | |
2119 return true; | |
2120 } | |
2121 } | |
2122 } | |
2123 return false; | |
2124 } | |
2125 | |
0 | 2126 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
|
2127 julong* long_arg, |
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
2128 julong min_size) { |
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
2129 if (!atomull(s, long_arg)) return arg_unreadable; |
0 | 2130 return check_memory_size(*long_arg, min_size); |
2131 } | |
2132 | |
2133 // Parse JavaVMInitArgs structure | |
4559
723df37192d6
Make it possible again to build a real client libjvm, drop the UseGraal flag.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
4350
diff
changeset
|
2134 #ifdef GRAAL |
4155
394404b2d9bd
Removed strict requirement for GRAAL environment variable. It only needs to be set now if the graal directory is not in the directory hierarchy of GraalVM JDK.
Doug Simon <doug.simon@oracle.com>
parents:
4137
diff
changeset
|
2135 static void prepend_to_graal_classpath(SysClassPath &cp, const char* graal_dir, const char* project) { |
394404b2d9bd
Removed strict requirement for GRAAL environment variable. It only needs to be set now if the graal directory is not in the directory hierarchy of GraalVM JDK.
Doug Simon <doug.simon@oracle.com>
parents:
4137
diff
changeset
|
2136 const int BUFFER_SIZE = 1024; |
394404b2d9bd
Removed strict requirement for GRAAL environment variable. It only needs to be set now if the graal directory is not in the directory hierarchy of GraalVM JDK.
Doug Simon <doug.simon@oracle.com>
parents:
4137
diff
changeset
|
2137 char path[BUFFER_SIZE]; |
394404b2d9bd
Removed strict requirement for GRAAL environment variable. It only needs to be set now if the graal directory is not in the directory hierarchy of GraalVM JDK.
Doug Simon <doug.simon@oracle.com>
parents:
4137
diff
changeset
|
2138 |
4252
67e88b7624d5
Removed need for GRAAL environment variable on Windows.
Doug Simon <doug.simon@oracle.com>
parents:
4205
diff
changeset
|
2139 const char fileSep = *os::file_separator(); |
67e88b7624d5
Removed need for GRAAL environment variable on Windows.
Doug Simon <doug.simon@oracle.com>
parents:
4205
diff
changeset
|
2140 sprintf(path, "%s%c%s%cbin", graal_dir, fileSep, project, fileSep); |
4155
394404b2d9bd
Removed strict requirement for GRAAL environment variable. It only needs to be set now if the graal directory is not in the directory hierarchy of GraalVM JDK.
Doug Simon <doug.simon@oracle.com>
parents:
4137
diff
changeset
|
2141 DIR* dir = os::opendir(path); |
394404b2d9bd
Removed strict requirement for GRAAL environment variable. It only needs to be set now if the graal directory is not in the directory hierarchy of GraalVM JDK.
Doug Simon <doug.simon@oracle.com>
parents:
4137
diff
changeset
|
2142 if (dir == NULL) { |
394404b2d9bd
Removed strict requirement for GRAAL environment variable. It only needs to be set now if the graal directory is not in the directory hierarchy of GraalVM JDK.
Doug Simon <doug.simon@oracle.com>
parents:
4137
diff
changeset
|
2143 jio_fprintf(defaultStream::output_stream(), "Error while starting Graal VM: The Graal class directory %s could not be opened.\n", path); |
394404b2d9bd
Removed strict requirement for GRAAL environment variable. It only needs to be set now if the graal directory is not in the directory hierarchy of GraalVM JDK.
Doug Simon <doug.simon@oracle.com>
parents:
4137
diff
changeset
|
2144 vm_exit(1); |
394404b2d9bd
Removed strict requirement for GRAAL environment variable. It only needs to be set now if the graal directory is not in the directory hierarchy of GraalVM JDK.
Doug Simon <doug.simon@oracle.com>
parents:
4137
diff
changeset
|
2145 } |
394404b2d9bd
Removed strict requirement for GRAAL environment variable. It only needs to be set now if the graal directory is not in the directory hierarchy of GraalVM JDK.
Doug Simon <doug.simon@oracle.com>
parents:
4137
diff
changeset
|
2146 os::closedir(dir); |
394404b2d9bd
Removed strict requirement for GRAAL environment variable. It only needs to be set now if the graal directory is not in the directory hierarchy of GraalVM JDK.
Doug Simon <doug.simon@oracle.com>
parents:
4137
diff
changeset
|
2147 cp.add_prefix(path); |
394404b2d9bd
Removed strict requirement for GRAAL environment variable. It only needs to be set now if the graal directory is not in the directory hierarchy of GraalVM JDK.
Doug Simon <doug.simon@oracle.com>
parents:
4137
diff
changeset
|
2148 } |
394404b2d9bd
Removed strict requirement for GRAAL environment variable. It only needs to be set now if the graal directory is not in the directory hierarchy of GraalVM JDK.
Doug Simon <doug.simon@oracle.com>
parents:
4137
diff
changeset
|
2149 |
394404b2d9bd
Removed strict requirement for GRAAL environment variable. It only needs to be set now if the graal directory is not in the directory hierarchy of GraalVM JDK.
Doug Simon <doug.simon@oracle.com>
parents:
4137
diff
changeset
|
2150 // Walk up the directory hierarchy starting from JAVA_HOME looking |
394404b2d9bd
Removed strict requirement for GRAAL environment variable. It only needs to be set now if the graal directory is not in the directory hierarchy of GraalVM JDK.
Doug Simon <doug.simon@oracle.com>
parents:
4137
diff
changeset
|
2151 // for a directory named "graal". If found, then the full path to |
394404b2d9bd
Removed strict requirement for GRAAL environment variable. It only needs to be set now if the graal directory is not in the directory hierarchy of GraalVM JDK.
Doug Simon <doug.simon@oracle.com>
parents:
4137
diff
changeset
|
2152 // this directory is returned in graal_dir. |
394404b2d9bd
Removed strict requirement for GRAAL environment variable. It only needs to be set now if the graal directory is not in the directory hierarchy of GraalVM JDK.
Doug Simon <doug.simon@oracle.com>
parents:
4137
diff
changeset
|
2153 static bool find_graal_dir(char* graal_dir) { |
394404b2d9bd
Removed strict requirement for GRAAL environment variable. It only needs to be set now if the graal directory is not in the directory hierarchy of GraalVM JDK.
Doug Simon <doug.simon@oracle.com>
parents:
4137
diff
changeset
|
2154 strcpy(graal_dir, Arguments::get_java_home()); |
394404b2d9bd
Removed strict requirement for GRAAL environment variable. It only needs to be set now if the graal directory is not in the directory hierarchy of GraalVM JDK.
Doug Simon <doug.simon@oracle.com>
parents:
4137
diff
changeset
|
2155 char* end = graal_dir + strlen(graal_dir); |
4252
67e88b7624d5
Removed need for GRAAL environment variable on Windows.
Doug Simon <doug.simon@oracle.com>
parents:
4205
diff
changeset
|
2156 const char fileSep = *os::file_separator(); |
4155
394404b2d9bd
Removed strict requirement for GRAAL environment variable. It only needs to be set now if the graal directory is not in the directory hierarchy of GraalVM JDK.
Doug Simon <doug.simon@oracle.com>
parents:
4137
diff
changeset
|
2157 while (end != graal_dir) { |
4252
67e88b7624d5
Removed need for GRAAL environment variable on Windows.
Doug Simon <doug.simon@oracle.com>
parents:
4205
diff
changeset
|
2158 if (fileSep == '/') |
67e88b7624d5
Removed need for GRAAL environment variable on Windows.
Doug Simon <doug.simon@oracle.com>
parents:
4205
diff
changeset
|
2159 strcat(graal_dir, "/graal"); |
67e88b7624d5
Removed need for GRAAL environment variable on Windows.
Doug Simon <doug.simon@oracle.com>
parents:
4205
diff
changeset
|
2160 else { |
67e88b7624d5
Removed need for GRAAL environment variable on Windows.
Doug Simon <doug.simon@oracle.com>
parents:
4205
diff
changeset
|
2161 assert(fileSep == '\\', "unexpected separator char"); |
67e88b7624d5
Removed need for GRAAL environment variable on Windows.
Doug Simon <doug.simon@oracle.com>
parents:
4205
diff
changeset
|
2162 strcat(graal_dir, "\\graal"); |
67e88b7624d5
Removed need for GRAAL environment variable on Windows.
Doug Simon <doug.simon@oracle.com>
parents:
4205
diff
changeset
|
2163 } |
4155
394404b2d9bd
Removed strict requirement for GRAAL environment variable. It only needs to be set now if the graal directory is not in the directory hierarchy of GraalVM JDK.
Doug Simon <doug.simon@oracle.com>
parents:
4137
diff
changeset
|
2164 DIR* dir = os::opendir(graal_dir); |
394404b2d9bd
Removed strict requirement for GRAAL environment variable. It only needs to be set now if the graal directory is not in the directory hierarchy of GraalVM JDK.
Doug Simon <doug.simon@oracle.com>
parents:
4137
diff
changeset
|
2165 if (dir != NULL) { |
394404b2d9bd
Removed strict requirement for GRAAL environment variable. It only needs to be set now if the graal directory is not in the directory hierarchy of GraalVM JDK.
Doug Simon <doug.simon@oracle.com>
parents:
4137
diff
changeset
|
2166 os::closedir(dir); |
394404b2d9bd
Removed strict requirement for GRAAL environment variable. It only needs to be set now if the graal directory is not in the directory hierarchy of GraalVM JDK.
Doug Simon <doug.simon@oracle.com>
parents:
4137
diff
changeset
|
2167 return true; |
394404b2d9bd
Removed strict requirement for GRAAL environment variable. It only needs to be set now if the graal directory is not in the directory hierarchy of GraalVM JDK.
Doug Simon <doug.simon@oracle.com>
parents:
4137
diff
changeset
|
2168 } |
394404b2d9bd
Removed strict requirement for GRAAL environment variable. It only needs to be set now if the graal directory is not in the directory hierarchy of GraalVM JDK.
Doug Simon <doug.simon@oracle.com>
parents:
4137
diff
changeset
|
2169 *end = 0; |
394404b2d9bd
Removed strict requirement for GRAAL environment variable. It only needs to be set now if the graal directory is not in the directory hierarchy of GraalVM JDK.
Doug Simon <doug.simon@oracle.com>
parents:
4137
diff
changeset
|
2170 while (end != graal_dir) { |
4252
67e88b7624d5
Removed need for GRAAL environment variable on Windows.
Doug Simon <doug.simon@oracle.com>
parents:
4205
diff
changeset
|
2171 if (*end == fileSep) { |
4155
394404b2d9bd
Removed strict requirement for GRAAL environment variable. It only needs to be set now if the graal directory is not in the directory hierarchy of GraalVM JDK.
Doug Simon <doug.simon@oracle.com>
parents:
4137
diff
changeset
|
2172 *end = 0; |
394404b2d9bd
Removed strict requirement for GRAAL environment variable. It only needs to be set now if the graal directory is not in the directory hierarchy of GraalVM JDK.
Doug Simon <doug.simon@oracle.com>
parents:
4137
diff
changeset
|
2173 break; |
394404b2d9bd
Removed strict requirement for GRAAL environment variable. It only needs to be set now if the graal directory is not in the directory hierarchy of GraalVM JDK.
Doug Simon <doug.simon@oracle.com>
parents:
4137
diff
changeset
|
2174 } |
394404b2d9bd
Removed strict requirement for GRAAL environment variable. It only needs to be set now if the graal directory is not in the directory hierarchy of GraalVM JDK.
Doug Simon <doug.simon@oracle.com>
parents:
4137
diff
changeset
|
2175 end--; |
394404b2d9bd
Removed strict requirement for GRAAL environment variable. It only needs to be set now if the graal directory is not in the directory hierarchy of GraalVM JDK.
Doug Simon <doug.simon@oracle.com>
parents:
4137
diff
changeset
|
2176 } |
394404b2d9bd
Removed strict requirement for GRAAL environment variable. It only needs to be set now if the graal directory is not in the directory hierarchy of GraalVM JDK.
Doug Simon <doug.simon@oracle.com>
parents:
4137
diff
changeset
|
2177 } |
394404b2d9bd
Removed strict requirement for GRAAL environment variable. It only needs to be set now if the graal directory is not in the directory hierarchy of GraalVM JDK.
Doug Simon <doug.simon@oracle.com>
parents:
4137
diff
changeset
|
2178 return false; |
394404b2d9bd
Removed strict requirement for GRAAL environment variable. It only needs to be set now if the graal directory is not in the directory hierarchy of GraalVM JDK.
Doug Simon <doug.simon@oracle.com>
parents:
4137
diff
changeset
|
2179 } |
4559
723df37192d6
Make it possible again to build a real client libjvm, drop the UseGraal flag.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
4350
diff
changeset
|
2180 #endif |
0 | 2181 |
2182 jint Arguments::parse_vm_init_args(const JavaVMInitArgs* args) { | |
2183 // For components of the system classpath. | |
2184 SysClassPath scp(Arguments::get_sysclasspath()); | |
2185 bool scp_assembly_required = false; | |
2186 | |
2187 // Save default settings for some mode flags | |
2188 Arguments::_AlwaysCompileLoopMethods = AlwaysCompileLoopMethods; | |
2189 Arguments::_UseOnStackReplacement = UseOnStackReplacement; | |
2190 Arguments::_ClipInlining = ClipInlining; | |
2191 Arguments::_BackgroundCompilation = BackgroundCompilation; | |
2192 | |
3341
e9b8ef09622a
7041582: set_mode_flags isn't called without -Xmixed specified
never
parents:
3261
diff
changeset
|
2193 // Setup flags for mixed which is the default |
e9b8ef09622a
7041582: set_mode_flags isn't called without -Xmixed specified
never
parents:
3261
diff
changeset
|
2194 set_mode_flags(_mixed); |
e9b8ef09622a
7041582: set_mode_flags isn't called without -Xmixed specified
never
parents:
3261
diff
changeset
|
2195 |
0 | 2196 // Parse JAVA_TOOL_OPTIONS environment variable (if present) |
2197 jint result = parse_java_tool_options_environment_variable(&scp, &scp_assembly_required); | |
2198 if (result != JNI_OK) { | |
2199 return result; | |
2200 } | |
2201 | |
2202 // Parse JavaVMInitArgs structure passed in | |
2203 result = parse_each_vm_init_arg(args, &scp, &scp_assembly_required, COMMAND_LINE); | |
2204 if (result != JNI_OK) { | |
2205 return result; | |
2206 } | |
2207 | |
4559
723df37192d6
Make it possible again to build a real client libjvm, drop the UseGraal flag.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
4350
diff
changeset
|
2208 #ifdef GRAAL |
3543
344264424174
Enable debugging of compiler code from Java IDEs. Moved binary to "graal" subdirectory. New flag for starting Graal is just "-graal".
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
3535
diff
changeset
|
2209 if (PrintVMOptions) { |
3568
409ef3a68dc8
re-lock objects whose lock was removed by escape analysis, enable stack walking compilation policy (-XX:CompilationPolicyChoice=1)
Lukas Stadler <lukas.stadler@jku.at>
parents:
3546
diff
changeset
|
2210 tty->print_cr("Running Graal VM... "); |
3543
344264424174
Enable debugging of compiler code from Java IDEs. Moved binary to "graal" subdirectory. New flag for starting Graal is just "-graal".
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
3535
diff
changeset
|
2211 } |
344264424174
Enable debugging of compiler code from Java IDEs. Moved binary to "graal" subdirectory. New flag for starting Graal is just "-graal".
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
3535
diff
changeset
|
2212 const int BUFFER_SIZE = 1024; |
3736
d3ec27ea1b20
Work with GRAAL environment variable instead of MAXINE environment variable.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
3601
diff
changeset
|
2213 char graal_dir[BUFFER_SIZE]; |
d3ec27ea1b20
Work with GRAAL environment variable instead of MAXINE environment variable.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
3601
diff
changeset
|
2214 if (!os::getenv("GRAAL", graal_dir, sizeof(graal_dir))) { |
4155
394404b2d9bd
Removed strict requirement for GRAAL environment variable. It only needs to be set now if the graal directory is not in the directory hierarchy of GraalVM JDK.
Doug Simon <doug.simon@oracle.com>
parents:
4137
diff
changeset
|
2215 if (find_graal_dir(graal_dir) == false) { |
394404b2d9bd
Removed strict requirement for GRAAL environment variable. It only needs to be set now if the graal directory is not in the directory hierarchy of GraalVM JDK.
Doug Simon <doug.simon@oracle.com>
parents:
4137
diff
changeset
|
2216 jio_fprintf(defaultStream::output_stream(), "Error while starting Graal VM: The GRAAL environment variable needs to point to the directory containing the Graal projects.\n"); |
394404b2d9bd
Removed strict requirement for GRAAL environment variable. It only needs to be set now if the graal directory is not in the directory hierarchy of GraalVM JDK.
Doug Simon <doug.simon@oracle.com>
parents:
4137
diff
changeset
|
2217 vm_exit(0); |
394404b2d9bd
Removed strict requirement for GRAAL environment variable. It only needs to be set now if the graal directory is not in the directory hierarchy of GraalVM JDK.
Doug Simon <doug.simon@oracle.com>
parents:
4137
diff
changeset
|
2218 } |
3543
344264424174
Enable debugging of compiler code from Java IDEs. Moved binary to "graal" subdirectory. New flag for starting Graal is just "-graal".
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
3535
diff
changeset
|
2219 } |
3736
d3ec27ea1b20
Work with GRAAL environment variable instead of MAXINE environment variable.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
3601
diff
changeset
|
2220 if (PrintVMOptions) tty->print_cr("GRAAL=%s", graal_dir); |
4345
176d60b77d31
Moved PrintCompilation logic from graal.compiler to graal.hotspot. Made bootclasspath generated from the GRAAL environment option more generic (such that adding/removing a project requires no changes in the C++ part).
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
4252
diff
changeset
|
2221 |
5152
cfdb3c24bd6c
changed Graal class path declaration (back) to a constant that is checked for correctness during building
Doug Simon <doug.simon@oracle.com>
parents:
5093
diff
changeset
|
2222 // this declaration is checked for correctness by 'mx build' - only |
cfdb3c24bd6c
changed Graal class path declaration (back) to a constant that is checked for correctness during building
Doug Simon <doug.simon@oracle.com>
parents:
5093
diff
changeset
|
2223 // modify its entries, not its name or shape |
cfdb3c24bd6c
changed Graal class path declaration (back) to a constant that is checked for correctness during building
Doug Simon <doug.simon@oracle.com>
parents:
5093
diff
changeset
|
2224 const char* graal_projects[] = { |
6495
75f130f2b30f
moved AMD64 specific HotSpot code in com.oracle.graal.hotspot.amd64 project
Doug Simon <doug.simon@oracle.com>
parents:
6493
diff
changeset
|
2225 #ifdef AMD64 |
6580
d56d600819fe
moved AMD64 into its own (new) project: com.oracle.graal.amd64
Doug Simon <doug.simon@oracle.com>
parents:
6543
diff
changeset
|
2226 "com.oracle.graal.amd64", |
6497
64b7dd2075c0
renamed projects com.oracle.max.asm* to com.oracle.graal.asm*
Doug Simon <doug.simon@oracle.com>
parents:
6496
diff
changeset
|
2227 "com.oracle.graal.asm.amd64", |
6495
75f130f2b30f
moved AMD64 specific HotSpot code in com.oracle.graal.hotspot.amd64 project
Doug Simon <doug.simon@oracle.com>
parents:
6493
diff
changeset
|
2228 "com.oracle.graal.lir.amd64", |
6496
16d1411409b4
moved AMD64 specific code into com.oracle.graal.compiler.amd64
Doug Simon <doug.simon@oracle.com>
parents:
6495
diff
changeset
|
2229 "com.oracle.graal.compiler.amd64", |
6495
75f130f2b30f
moved AMD64 specific HotSpot code in com.oracle.graal.hotspot.amd64 project
Doug Simon <doug.simon@oracle.com>
parents:
6493
diff
changeset
|
2230 "com.oracle.graal.hotspot.amd64", |
75f130f2b30f
moved AMD64 specific HotSpot code in com.oracle.graal.hotspot.amd64 project
Doug Simon <doug.simon@oracle.com>
parents:
6493
diff
changeset
|
2231 #endif |
6543
ec196bfc458b
Minor fixes after cleanup
Christian Wimmer <christian.wimmer@oracle.com>
parents:
6526
diff
changeset
|
2232 "com.oracle.graal.api.runtime", |
5508
22fe762332af
Changes in C++ part for the Java renamings.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
5176
diff
changeset
|
2233 "com.oracle.graal.api.meta", |
5512
18f51ca0070f
Changes in the C++ part according to the Java renamings.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
5508
diff
changeset
|
2234 "com.oracle.graal.api.code", |
18f51ca0070f
Changes in the C++ part according to the Java renamings.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
5508
diff
changeset
|
2235 "com.oracle.graal.api.interpreter", |
5152
cfdb3c24bd6c
changed Graal class path declaration (back) to a constant that is checked for correctness during building
Doug Simon <doug.simon@oracle.com>
parents:
5093
diff
changeset
|
2236 "com.oracle.graal.hotspot", |
6497
64b7dd2075c0
renamed projects com.oracle.max.asm* to com.oracle.graal.asm*
Doug Simon <doug.simon@oracle.com>
parents:
6496
diff
changeset
|
2237 "com.oracle.graal.asm", |
5152
cfdb3c24bd6c
changed Graal class path declaration (back) to a constant that is checked for correctness during building
Doug Simon <doug.simon@oracle.com>
parents:
5093
diff
changeset
|
2238 "com.oracle.graal.alloc", |
cfdb3c24bd6c
changed Graal class path declaration (back) to a constant that is checked for correctness during building
Doug Simon <doug.simon@oracle.com>
parents:
5093
diff
changeset
|
2239 "com.oracle.graal.snippets", |
cfdb3c24bd6c
changed Graal class path declaration (back) to a constant that is checked for correctness during building
Doug Simon <doug.simon@oracle.com>
parents:
5093
diff
changeset
|
2240 "com.oracle.graal.compiler", |
6522
c612043278e9
refactoring: graal.compiler.phases -> graal.phases, graal.compiler.virtual -> graal.virtual, graal.compiler.loop -> graal.loop
Doug Simon <doug.simon@oracle.com>
parents:
6502
diff
changeset
|
2241 "com.oracle.graal.loop", |
c612043278e9
refactoring: graal.compiler.phases -> graal.phases, graal.compiler.virtual -> graal.virtual, graal.compiler.loop -> graal.loop
Doug Simon <doug.simon@oracle.com>
parents:
6502
diff
changeset
|
2242 "com.oracle.graal.phases", |
6526
ee651c726397
split phases out of graal.phases project into graal.phases.common project
Doug Simon <doug.simon@oracle.com>
parents:
6522
diff
changeset
|
2243 "com.oracle.graal.phases.common", |
6522
c612043278e9
refactoring: graal.compiler.phases -> graal.phases, graal.compiler.virtual -> graal.virtual, graal.compiler.loop -> graal.loop
Doug Simon <doug.simon@oracle.com>
parents:
6502
diff
changeset
|
2244 "com.oracle.graal.virtual", |
5152
cfdb3c24bd6c
changed Graal class path declaration (back) to a constant that is checked for correctness during building
Doug Simon <doug.simon@oracle.com>
parents:
5093
diff
changeset
|
2245 "com.oracle.graal.nodes", |
cfdb3c24bd6c
changed Graal class path declaration (back) to a constant that is checked for correctness during building
Doug Simon <doug.simon@oracle.com>
parents:
5093
diff
changeset
|
2246 "com.oracle.graal.printer", |
cfdb3c24bd6c
changed Graal class path declaration (back) to a constant that is checked for correctness during building
Doug Simon <doug.simon@oracle.com>
parents:
5093
diff
changeset
|
2247 "com.oracle.graal.debug", |
cfdb3c24bd6c
changed Graal class path declaration (back) to a constant that is checked for correctness during building
Doug Simon <doug.simon@oracle.com>
parents:
5093
diff
changeset
|
2248 "com.oracle.graal.graph", |
cfdb3c24bd6c
changed Graal class path declaration (back) to a constant that is checked for correctness during building
Doug Simon <doug.simon@oracle.com>
parents:
5093
diff
changeset
|
2249 "com.oracle.graal.lir", |
5570
30162e74f11f
Updated list of projects added to the bootclasspath.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
5512
diff
changeset
|
2250 "com.oracle.graal.bytecode", |
5152
cfdb3c24bd6c
changed Graal class path declaration (back) to a constant that is checked for correctness during building
Doug Simon <doug.simon@oracle.com>
parents:
5093
diff
changeset
|
2251 "com.oracle.graal.java" |
cfdb3c24bd6c
changed Graal class path declaration (back) to a constant that is checked for correctness during building
Doug Simon <doug.simon@oracle.com>
parents:
5093
diff
changeset
|
2252 }; |
cfdb3c24bd6c
changed Graal class path declaration (back) to a constant that is checked for correctness during building
Doug Simon <doug.simon@oracle.com>
parents:
5093
diff
changeset
|
2253 |
5093
ba5e8ba07b5c
compiler.class.path should not include system class path
Doug Simon <doug.simon@oracle.com>
parents:
5065
diff
changeset
|
2254 SysClassPath scp_compiler(""); |
5152
cfdb3c24bd6c
changed Graal class path declaration (back) to a constant that is checked for correctness during building
Doug Simon <doug.simon@oracle.com>
parents:
5093
diff
changeset
|
2255 const int len = sizeof(graal_projects) / sizeof(char*); |
cfdb3c24bd6c
changed Graal class path declaration (back) to a constant that is checked for correctness during building
Doug Simon <doug.simon@oracle.com>
parents:
5093
diff
changeset
|
2256 for (int i = 0; i < len; i++) { |
cfdb3c24bd6c
changed Graal class path declaration (back) to a constant that is checked for correctness during building
Doug Simon <doug.simon@oracle.com>
parents:
5093
diff
changeset
|
2257 if (PrintVMOptions) { |
cfdb3c24bd6c
changed Graal class path declaration (back) to a constant that is checked for correctness during building
Doug Simon <doug.simon@oracle.com>
parents:
5093
diff
changeset
|
2258 tty->print_cr("Adding project directory %s to bootclasspath", graal_projects[i]); |
4345
176d60b77d31
Moved PrintCompilation logic from graal.compiler to graal.hotspot. Made bootclasspath generated from the GRAAL environment option more generic (such that adding/removing a project requires no changes in the C++ part).
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
4252
diff
changeset
|
2259 } |
5152
cfdb3c24bd6c
changed Graal class path declaration (back) to a constant that is checked for correctness during building
Doug Simon <doug.simon@oracle.com>
parents:
5093
diff
changeset
|
2260 prepend_to_graal_classpath(scp_compiler, graal_dir, graal_projects[i]); |
4345
176d60b77d31
Moved PrintCompilation logic from graal.compiler to graal.hotspot. Made bootclasspath generated from the GRAAL environment option more generic (such that adding/removing a project requires no changes in the C++ part).
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
4252
diff
changeset
|
2261 } |
4155
394404b2d9bd
Removed strict requirement for GRAAL environment variable. It only needs to be set now if the graal directory is not in the directory hierarchy of GraalVM JDK.
Doug Simon <doug.simon@oracle.com>
parents:
4137
diff
changeset
|
2262 scp_compiler.expand_endorsed(); |
394404b2d9bd
Removed strict requirement for GRAAL environment variable. It only needs to be set now if the graal directory is not in the directory hierarchy of GraalVM JDK.
Doug Simon <doug.simon@oracle.com>
parents:
4137
diff
changeset
|
2263 |
394404b2d9bd
Removed strict requirement for GRAAL environment variable. It only needs to be set now if the graal directory is not in the directory hierarchy of GraalVM JDK.
Doug Simon <doug.simon@oracle.com>
parents:
4137
diff
changeset
|
2264 Arguments::set_compilerclasspath(scp_compiler.combined_path()); |
4559
723df37192d6
Make it possible again to build a real client libjvm, drop the UseGraal flag.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
4350
diff
changeset
|
2265 #endif |
3543
344264424174
Enable debugging of compiler code from Java IDEs. Moved binary to "graal" subdirectory. New flag for starting Graal is just "-graal".
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
3535
diff
changeset
|
2266 |
531
40ee984935b9
6792705: Add JAR file to bootclasspath when using AggressiveOpts
phh
parents:
513
diff
changeset
|
2267 if (AggressiveOpts) { |
40ee984935b9
6792705: Add JAR file to bootclasspath when using AggressiveOpts
phh
parents:
513
diff
changeset
|
2268 // Insert alt-rt.jar between user-specified bootclasspath |
40ee984935b9
6792705: Add JAR file to bootclasspath when using AggressiveOpts
phh
parents:
513
diff
changeset
|
2269 // prefix and the default bootclasspath. os::set_boot_path() |
40ee984935b9
6792705: Add JAR file to bootclasspath when using AggressiveOpts
phh
parents:
513
diff
changeset
|
2270 // uses meta_index_dir as the default bootclasspath directory. |
40ee984935b9
6792705: Add JAR file to bootclasspath when using AggressiveOpts
phh
parents:
513
diff
changeset
|
2271 const char* altclasses_jar = "alt-rt.jar"; |
40ee984935b9
6792705: Add JAR file to bootclasspath when using AggressiveOpts
phh
parents:
513
diff
changeset
|
2272 size_t altclasses_path_len = strlen(get_meta_index_dir()) + 1 + |
40ee984935b9
6792705: Add JAR file to bootclasspath when using AggressiveOpts
phh
parents:
513
diff
changeset
|
2273 strlen(altclasses_jar); |
6197 | 2274 char* altclasses_path = NEW_C_HEAP_ARRAY(char, altclasses_path_len, mtInternal); |
531
40ee984935b9
6792705: Add JAR file to bootclasspath when using AggressiveOpts
phh
parents:
513
diff
changeset
|
2275 strcpy(altclasses_path, get_meta_index_dir()); |
40ee984935b9
6792705: Add JAR file to bootclasspath when using AggressiveOpts
phh
parents:
513
diff
changeset
|
2276 strcat(altclasses_path, altclasses_jar); |
40ee984935b9
6792705: Add JAR file to bootclasspath when using AggressiveOpts
phh
parents:
513
diff
changeset
|
2277 scp.add_suffix_to_prefix(altclasses_path); |
40ee984935b9
6792705: Add JAR file to bootclasspath when using AggressiveOpts
phh
parents:
513
diff
changeset
|
2278 scp_assembly_required = true; |
6197 | 2279 FREE_C_HEAP_ARRAY(char, altclasses_path, mtInternal); |
531
40ee984935b9
6792705: Add JAR file to bootclasspath when using AggressiveOpts
phh
parents:
513
diff
changeset
|
2280 } |
40ee984935b9
6792705: Add JAR file to bootclasspath when using AggressiveOpts
phh
parents:
513
diff
changeset
|
2281 |
5915 | 2282 if (WhiteBoxAPI) { |
2283 // Append wb.jar to bootclasspath if enabled | |
2284 const char* wb_jar = "wb.jar"; | |
2285 size_t wb_path_len = strlen(get_meta_index_dir()) + 1 + | |
2286 strlen(wb_jar); | |
6197 | 2287 char* wb_path = NEW_C_HEAP_ARRAY(char, wb_path_len, mtInternal); |
5915 | 2288 strcpy(wb_path, get_meta_index_dir()); |
2289 strcat(wb_path, wb_jar); | |
2290 scp.add_suffix(wb_path); | |
2291 scp_assembly_required = true; | |
6197 | 2292 FREE_C_HEAP_ARRAY(char, wb_path, mtInternal); |
5915 | 2293 } |
2294 | |
0 | 2295 // Parse _JAVA_OPTIONS environment variable (if present) (mimics classic VM) |
2296 result = parse_java_options_environment_variable(&scp, &scp_assembly_required); | |
2297 if (result != JNI_OK) { | |
2298 return result; | |
2299 } | |
2300 | |
2301 // Do final processing now that all arguments have been parsed | |
2302 result = finalize_vm_init_args(&scp, scp_assembly_required); | |
2303 if (result != JNI_OK) { | |
2304 return result; | |
2305 } | |
2306 | |
2307 return JNI_OK; | |
2308 } | |
2309 | |
2310 jint Arguments::parse_each_vm_init_arg(const JavaVMInitArgs* args, | |
2311 SysClassPath* scp_p, | |
2312 bool* scp_assembly_required_p, | |
2313 FlagValueOrigin origin) { | |
2314 // Remaining part of option string | |
2315 const char* tail; | |
2316 | |
2317 // iterate over arguments | |
2318 for (int index = 0; index < args->nOptions; index++) { | |
2319 bool is_absolute_path = false; // for -agentpath vs -agentlib | |
2320 | |
2321 const JavaVMOption* option = args->options + index; | |
2322 | |
2323 if (!match_option(option, "-Djava.class.path", &tail) && | |
2324 !match_option(option, "-Dsun.java.command", &tail) && | |
2325 !match_option(option, "-Dsun.java.launcher", &tail)) { | |
2326 | |
2327 // add all jvm options to the jvm_args string. This string | |
2328 // is used later to set the java.vm.args PerfData string constant. | |
2329 // the -Djava.class.path and the -Dsun.java.command options are | |
2330 // omitted from jvm_args string as each have their own PerfData | |
2331 // string constant object. | |
2332 build_jvm_args(option->optionString); | |
2333 } | |
2334 | |
2335 // -verbose:[class/gc/jni] | |
2336 if (match_option(option, "-verbose", &tail)) { | |
2337 if (!strcmp(tail, ":class") || !strcmp(tail, "")) { | |
2338 FLAG_SET_CMDLINE(bool, TraceClassLoading, true); | |
2339 FLAG_SET_CMDLINE(bool, TraceClassUnloading, true); | |
2340 } else if (!strcmp(tail, ":gc")) { | |
2341 FLAG_SET_CMDLINE(bool, PrintGC, true); | |
2342 } else if (!strcmp(tail, ":jni")) { | |
2343 FLAG_SET_CMDLINE(bool, PrintJNIResolving, true); | |
2344 } | |
2345 // -da / -ea / -disableassertions / -enableassertions | |
2346 // These accept an optional class/package name separated by a colon, e.g., | |
2347 // -da:java.lang.Thread. | |
2348 } else if (match_option(option, user_assertion_options, &tail, true)) { | |
2349 bool enable = option->optionString[1] == 'e'; // char after '-' is 'e' | |
2350 if (*tail == '\0') { | |
2351 JavaAssertions::setUserClassDefault(enable); | |
2352 } else { | |
2353 assert(*tail == ':', "bogus match by match_option()"); | |
2354 JavaAssertions::addOption(tail + 1, enable); | |
2355 } | |
2356 // -dsa / -esa / -disablesystemassertions / -enablesystemassertions | |
2357 } else if (match_option(option, system_assertion_options, &tail, false)) { | |
2358 bool enable = option->optionString[1] == 'e'; // char after '-' is 'e' | |
2359 JavaAssertions::setSystemClassDefault(enable); | |
2360 // -bootclasspath: | |
2361 } else if (match_option(option, "-Xbootclasspath:", &tail)) { | |
2362 scp_p->reset_path(tail); | |
2363 *scp_assembly_required_p = true; | |
2364 // -bootclasspath/a: | |
2365 } else if (match_option(option, "-Xbootclasspath/a:", &tail)) { | |
2366 scp_p->add_suffix(tail); | |
2367 *scp_assembly_required_p = true; | |
2368 // -bootclasspath/p: | |
2369 } else if (match_option(option, "-Xbootclasspath/p:", &tail)) { | |
2370 scp_p->add_prefix(tail); | |
2371 *scp_assembly_required_p = true; | |
2372 // -Xrun | |
2373 } else if (match_option(option, "-Xrun", &tail)) { | |
531
40ee984935b9
6792705: Add JAR file to bootclasspath when using AggressiveOpts
phh
parents:
513
diff
changeset
|
2374 if (tail != NULL) { |
0 | 2375 const char* pos = strchr(tail, ':'); |
2376 size_t len = (pos == NULL) ? strlen(tail) : pos - tail; | |
6197 | 2377 char* name = (char*)memcpy(NEW_C_HEAP_ARRAY(char, len + 1, mtInternal), tail, len); |
0 | 2378 name[len] = '\0'; |
2379 | |
2380 char *options = NULL; | |
2381 if(pos != NULL) { | |
2382 size_t len2 = strlen(pos+1) + 1; // options start after ':'. Final zero must be copied. | |
6197 | 2383 options = (char*)memcpy(NEW_C_HEAP_ARRAY(char, len2, mtInternal), pos+1, len2); |
0 | 2384 } |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2385 #if !INCLUDE_JVMTI |
0 | 2386 if ((strcmp(name, "hprof") == 0) || (strcmp(name, "jdwp") == 0)) { |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2387 warning("profiling and debugging agents are not supported in this VM"); |
0 | 2388 } else |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2389 #endif // !INCLUDE_JVMTI |
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2390 add_init_library(name, options); |
0 | 2391 } |
2392 // -agentlib and -agentpath | |
2393 } else if (match_option(option, "-agentlib:", &tail) || | |
2394 (is_absolute_path = match_option(option, "-agentpath:", &tail))) { | |
2395 if(tail != NULL) { | |
2396 const char* pos = strchr(tail, '='); | |
2397 size_t len = (pos == NULL) ? strlen(tail) : pos - tail; | |
6197 | 2398 char* name = strncpy(NEW_C_HEAP_ARRAY(char, len + 1, mtInternal), tail, len); |
0 | 2399 name[len] = '\0'; |
2400 | |
2401 char *options = NULL; | |
2402 if(pos != NULL) { | |
6197 | 2403 options = strcpy(NEW_C_HEAP_ARRAY(char, strlen(pos + 1) + 1, mtInternal), pos + 1); |
0 | 2404 } |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2405 #if !INCLUDE_JVMTI |
0 | 2406 if ((strcmp(name, "hprof") == 0) || (strcmp(name, "jdwp") == 0)) { |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2407 warning("profiling and debugging agents are not supported in this VM"); |
0 | 2408 } else |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2409 #endif // !INCLUDE_JVMTI |
0 | 2410 add_init_agent(name, options, is_absolute_path); |
2411 | |
2412 } | |
2413 // -javaagent | |
2414 } else if (match_option(option, "-javaagent:", &tail)) { | |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2415 #if !INCLUDE_JVMTI |
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2416 warning("Instrumentation agents are not supported in this VM"); |
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2417 #else |
0 | 2418 if(tail != NULL) { |
6197 | 2419 char *options = strcpy(NEW_C_HEAP_ARRAY(char, strlen(tail) + 1, mtInternal), tail); |
0 | 2420 add_init_agent("instrument", options, false); |
2421 } | |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2422 #endif // !INCLUDE_JVMTI |
0 | 2423 // -Xnoclassgc |
2424 } else if (match_option(option, "-Xnoclassgc", &tail)) { | |
2425 FLAG_SET_CMDLINE(bool, ClassUnloading, false); | |
2426 // -Xincgc: i-CMS | |
2427 } else if (match_option(option, "-Xincgc", &tail)) { | |
2428 FLAG_SET_CMDLINE(bool, UseConcMarkSweepGC, true); | |
2429 FLAG_SET_CMDLINE(bool, CMSIncrementalMode, true); | |
2430 // -Xnoincgc: no i-CMS | |
2431 } else if (match_option(option, "-Xnoincgc", &tail)) { | |
2432 FLAG_SET_CMDLINE(bool, UseConcMarkSweepGC, false); | |
2433 FLAG_SET_CMDLINE(bool, CMSIncrementalMode, false); | |
2434 // -Xconcgc | |
2435 } else if (match_option(option, "-Xconcgc", &tail)) { | |
2436 FLAG_SET_CMDLINE(bool, UseConcMarkSweepGC, true); | |
2437 // -Xnoconcgc | |
2438 } else if (match_option(option, "-Xnoconcgc", &tail)) { | |
2439 FLAG_SET_CMDLINE(bool, UseConcMarkSweepGC, false); | |
2440 // -Xbatch | |
2441 } else if (match_option(option, "-Xbatch", &tail)) { | |
2442 FLAG_SET_CMDLINE(bool, BackgroundCompilation, false); | |
2443 // -Xmn for compatibility with other JVM vendors | |
2444 } else if (match_option(option, "-Xmn", &tail)) { | |
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
2445 julong long_initial_eden_size = 0; |
0 | 2446 ArgsRange errcode = parse_memory_size(tail, &long_initial_eden_size, 1); |
2447 if (errcode != arg_in_range) { | |
2448 jio_fprintf(defaultStream::error_stream(), | |
2449 "Invalid initial eden size: %s\n", option->optionString); | |
2450 describe_range_error(errcode); | |
2451 return JNI_EINVAL; | |
2452 } | |
1064 | 2453 FLAG_SET_CMDLINE(uintx, MaxNewSize, (uintx)long_initial_eden_size); |
2454 FLAG_SET_CMDLINE(uintx, NewSize, (uintx)long_initial_eden_size); | |
0 | 2455 // -Xms |
2456 } else if (match_option(option, "-Xms", &tail)) { | |
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
2457 julong long_initial_heap_size = 0; |
0 | 2458 ArgsRange errcode = parse_memory_size(tail, &long_initial_heap_size, 1); |
2459 if (errcode != arg_in_range) { | |
2460 jio_fprintf(defaultStream::error_stream(), | |
2461 "Invalid initial heap size: %s\n", option->optionString); | |
2462 describe_range_error(errcode); | |
2463 return JNI_EINVAL; | |
2464 } | |
1064 | 2465 FLAG_SET_CMDLINE(uintx, InitialHeapSize, (uintx)long_initial_heap_size); |
0 | 2466 // Currently the minimum size and the initial heap sizes are the same. |
1064 | 2467 set_min_heap_size(InitialHeapSize); |
0 | 2468 // -Xmx |
2469 } else if (match_option(option, "-Xmx", &tail)) { | |
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
2470 julong long_max_heap_size = 0; |
0 | 2471 ArgsRange errcode = parse_memory_size(tail, &long_max_heap_size, 1); |
2472 if (errcode != arg_in_range) { | |
2473 jio_fprintf(defaultStream::error_stream(), | |
2474 "Invalid maximum heap size: %s\n", option->optionString); | |
2475 describe_range_error(errcode); | |
2476 return JNI_EINVAL; | |
2477 } | |
1064 | 2478 FLAG_SET_CMDLINE(uintx, MaxHeapSize, (uintx)long_max_heap_size); |
0 | 2479 // Xmaxf |
2480 } else if (match_option(option, "-Xmaxf", &tail)) { | |
2481 int maxf = (int)(atof(tail) * 100); | |
2482 if (maxf < 0 || maxf > 100) { | |
2483 jio_fprintf(defaultStream::error_stream(), | |
2484 "Bad max heap free percentage size: %s\n", | |
2485 option->optionString); | |
2486 return JNI_EINVAL; | |
2487 } else { | |
2488 FLAG_SET_CMDLINE(uintx, MaxHeapFreeRatio, maxf); | |
2489 } | |
2490 // Xminf | |
2491 } else if (match_option(option, "-Xminf", &tail)) { | |
2492 int minf = (int)(atof(tail) * 100); | |
2493 if (minf < 0 || minf > 100) { | |
2494 jio_fprintf(defaultStream::error_stream(), | |
2495 "Bad min heap free percentage size: %s\n", | |
2496 option->optionString); | |
2497 return JNI_EINVAL; | |
2498 } else { | |
2499 FLAG_SET_CMDLINE(uintx, MinHeapFreeRatio, minf); | |
2500 } | |
2501 // -Xss | |
2502 } else if (match_option(option, "-Xss", &tail)) { | |
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
2503 julong long_ThreadStackSize = 0; |
0 | 2504 ArgsRange errcode = parse_memory_size(tail, &long_ThreadStackSize, 1000); |
2505 if (errcode != arg_in_range) { | |
2506 jio_fprintf(defaultStream::error_stream(), | |
2507 "Invalid thread stack size: %s\n", option->optionString); | |
2508 describe_range_error(errcode); | |
2509 return JNI_EINVAL; | |
2510 } | |
2511 // Internally track ThreadStackSize in units of 1024 bytes. | |
2512 FLAG_SET_CMDLINE(intx, ThreadStackSize, | |
2513 round_to((int)long_ThreadStackSize, K) / K); | |
2514 // -Xoss | |
2515 } else if (match_option(option, "-Xoss", &tail)) { | |
2516 // HotSpot does not have separate native and Java stacks, ignore silently for compatibility | |
2517 // -Xmaxjitcodesize | |
2095
36c186bcc085
6302804: Hotspot VM dies ungraceful death when C heap is exhausted in various places.
coleenp
parents:
2002
diff
changeset
|
2518 } 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
|
2519 match_option(option, "-XX:ReservedCodeCacheSize=", &tail)) { |
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
2520 julong long_ReservedCodeCacheSize = 0; |
0 | 2521 ArgsRange errcode = parse_memory_size(tail, &long_ReservedCodeCacheSize, |
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
2522 (size_t)InitialCodeCacheSize); |
0 | 2523 if (errcode != arg_in_range) { |
2524 jio_fprintf(defaultStream::error_stream(), | |
2095
36c186bcc085
6302804: Hotspot VM dies ungraceful death when C heap is exhausted in various places.
coleenp
parents:
2002
diff
changeset
|
2525 "Invalid maximum code cache size: %s. Should be greater than InitialCodeCacheSize=%dK\n", |
36c186bcc085
6302804: Hotspot VM dies ungraceful death when C heap is exhausted in various places.
coleenp
parents:
2002
diff
changeset
|
2526 option->optionString, InitialCodeCacheSize/K); |
0 | 2527 describe_range_error(errcode); |
2528 return JNI_EINVAL; | |
2529 } | |
2530 FLAG_SET_CMDLINE(uintx, ReservedCodeCacheSize, (uintx)long_ReservedCodeCacheSize); | |
2531 // -green | |
2532 } else if (match_option(option, "-green", &tail)) { | |
2533 jio_fprintf(defaultStream::error_stream(), | |
2534 "Green threads support not available\n"); | |
2535 return JNI_EINVAL; | |
2536 // -native | |
2537 } else if (match_option(option, "-native", &tail)) { | |
2538 // HotSpot always uses native threads, ignore silently for compatibility | |
2539 // -Xsqnopause | |
2540 } else if (match_option(option, "-Xsqnopause", &tail)) { | |
2541 // EVM option, ignore silently for compatibility | |
2542 // -Xrs | |
2543 } else if (match_option(option, "-Xrs", &tail)) { | |
2544 // Classic/EVM option, new functionality | |
2545 FLAG_SET_CMDLINE(bool, ReduceSignalUsage, true); | |
2546 } else if (match_option(option, "-Xusealtsigs", &tail)) { | |
2547 // change default internal VM signals used - lower case for back compat | |
2548 FLAG_SET_CMDLINE(bool, UseAltSigs, true); | |
2549 // -Xoptimize | |
2550 } else if (match_option(option, "-Xoptimize", &tail)) { | |
2551 // EVM option, ignore silently for compatibility | |
2552 // -Xprof | |
2553 } else if (match_option(option, "-Xprof", &tail)) { | |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2554 #if INCLUDE_FPROF |
0 | 2555 _has_profile = true; |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2556 #else // INCLUDE_FPROF |
0 | 2557 // do we have to exit? |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2558 warning("Flat profiling is not supported in this VM."); |
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2559 #endif // INCLUDE_FPROF |
0 | 2560 // -Xaprof |
2561 } else if (match_option(option, "-Xaprof", &tail)) { | |
2562 _has_alloc_profile = true; | |
2563 // -Xconcurrentio | |
2564 } else if (match_option(option, "-Xconcurrentio", &tail)) { | |
2565 FLAG_SET_CMDLINE(bool, UseLWPSynchronization, true); | |
2566 FLAG_SET_CMDLINE(bool, BackgroundCompilation, false); | |
2567 FLAG_SET_CMDLINE(intx, DeferThrSuspendLoopCount, 1); | |
2568 FLAG_SET_CMDLINE(bool, UseTLAB, false); | |
2569 FLAG_SET_CMDLINE(uintx, NewSizeThreadIncrease, 16 * K); // 20Kb per thread added to new generation | |
2570 | |
2571 // -Xinternalversion | |
2572 } else if (match_option(option, "-Xinternalversion", &tail)) { | |
2573 jio_fprintf(defaultStream::output_stream(), "%s\n", | |
2574 VM_Version::internal_vm_info_string()); | |
2575 vm_exit(0); | |
2576 #ifndef PRODUCT | |
2577 // -Xprintflags | |
2578 } else if (match_option(option, "-Xprintflags", &tail)) { | |
4773 | 2579 CommandLineFlags::printFlags(tty, false); |
0 | 2580 vm_exit(0); |
2581 #endif | |
2582 // -D | |
2583 } else if (match_option(option, "-D", &tail)) { | |
2584 if (!add_property(tail)) { | |
2585 return JNI_ENOMEM; | |
2586 } | |
2587 // Out of the box management support | |
2588 if (match_option(option, "-Dcom.sun.management", &tail)) { | |
2589 FLAG_SET_CMDLINE(bool, ManagementServer, true); | |
2590 } | |
2591 // -Xint | |
2592 } else if (match_option(option, "-Xint", &tail)) { | |
2593 set_mode_flags(_int); | |
2594 // -Xmixed | |
2595 } else if (match_option(option, "-Xmixed", &tail)) { | |
2596 set_mode_flags(_mixed); | |
2597 // -Xcomp | |
2598 } else if (match_option(option, "-Xcomp", &tail)) { | |
2599 // for testing the compiler; turn off all flags that inhibit compilation | |
2600 set_mode_flags(_comp); | |
2601 | |
2602 // -Xshare:dump | |
2603 } else if (match_option(option, "-Xshare:dump", &tail)) { | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
2604 #if defined(KERNEL) |
0 | 2605 vm_exit_during_initialization( |
2606 "Dumping a shared archive is not supported on the Kernel JVM.", NULL); | |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2607 #elif !INCLUDE_CDS |
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2608 vm_exit_during_initialization( |
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2609 "Dumping a shared archive is not supported in this VM.", NULL); |
0 | 2610 #else |
2611 FLAG_SET_CMDLINE(bool, DumpSharedSpaces, true); | |
2612 set_mode_flags(_int); // Prevent compilation, which creates objects | |
2613 #endif | |
2614 // -Xshare:on | |
2615 } else if (match_option(option, "-Xshare:on", &tail)) { | |
2616 FLAG_SET_CMDLINE(bool, UseSharedSpaces, true); | |
2617 FLAG_SET_CMDLINE(bool, RequireSharedSpaces, true); | |
2618 // -Xshare:auto | |
2619 } else if (match_option(option, "-Xshare:auto", &tail)) { | |
2620 FLAG_SET_CMDLINE(bool, UseSharedSpaces, true); | |
2621 FLAG_SET_CMDLINE(bool, RequireSharedSpaces, false); | |
2622 // -Xshare:off | |
2623 } else if (match_option(option, "-Xshare:off", &tail)) { | |
2624 FLAG_SET_CMDLINE(bool, UseSharedSpaces, false); | |
2625 FLAG_SET_CMDLINE(bool, RequireSharedSpaces, false); | |
2626 | |
2627 // -Xverify | |
2628 } else if (match_option(option, "-Xverify", &tail)) { | |
2629 if (strcmp(tail, ":all") == 0 || strcmp(tail, "") == 0) { | |
2630 FLAG_SET_CMDLINE(bool, BytecodeVerificationLocal, true); | |
2631 FLAG_SET_CMDLINE(bool, BytecodeVerificationRemote, true); | |
2632 } else if (strcmp(tail, ":remote") == 0) { | |
2633 FLAG_SET_CMDLINE(bool, BytecodeVerificationLocal, false); | |
2634 FLAG_SET_CMDLINE(bool, BytecodeVerificationRemote, true); | |
2635 } else if (strcmp(tail, ":none") == 0) { | |
2636 FLAG_SET_CMDLINE(bool, BytecodeVerificationLocal, false); | |
2637 FLAG_SET_CMDLINE(bool, BytecodeVerificationRemote, false); | |
2638 } else if (is_bad_option(option, args->ignoreUnrecognized, "verification")) { | |
2639 return JNI_EINVAL; | |
2640 } | |
2641 // -Xdebug | |
2642 } else if (match_option(option, "-Xdebug", &tail)) { | |
2643 // note this flag has been used, then ignore | |
2644 set_xdebug_mode(true); | |
2645 // -Xnoagent | |
2646 } else if (match_option(option, "-Xnoagent", &tail)) { | |
2647 // For compatibility with classic. HotSpot refuses to load the old style agent.dll. | |
2648 } else if (match_option(option, "-Xboundthreads", &tail)) { | |
2649 // Bind user level threads to kernel threads (Solaris only) | |
2650 FLAG_SET_CMDLINE(bool, UseBoundThreads, true); | |
2651 } else if (match_option(option, "-Xloggc:", &tail)) { | |
2652 // Redirect GC output to the file. -Xloggc:<filename> | |
2653 // ostream_init_log(), when called will use this filename | |
2654 // to initialize a fileStream. | |
2655 _gc_log_filename = strdup(tail); | |
2656 FLAG_SET_CMDLINE(bool, PrintGC, true); | |
2657 FLAG_SET_CMDLINE(bool, PrintGCTimeStamps, true); | |
2658 | |
2659 // JNI hooks | |
2660 } else if (match_option(option, "-Xcheck", &tail)) { | |
2661 if (!strcmp(tail, ":jni")) { | |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2662 #if !INCLUDE_JNI_CHECK |
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2663 warning("JNI CHECKING is not supported in this VM"); |
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2664 #else |
0 | 2665 CheckJNICalls = true; |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
2666 #endif // INCLUDE_JNI_CHECK |
0 | 2667 } else if (is_bad_option(option, args->ignoreUnrecognized, |
2668 "check")) { | |
2669 return JNI_EINVAL; | |
2670 } | |
2671 } else if (match_option(option, "vfprintf", &tail)) { | |
2672 _vfprintf_hook = CAST_TO_FN_PTR(vfprintf_hook_t, option->extraInfo); | |
2673 } else if (match_option(option, "exit", &tail)) { | |
2674 _exit_hook = CAST_TO_FN_PTR(exit_hook_t, option->extraInfo); | |
2675 } else if (match_option(option, "abort", &tail)) { | |
2676 _abort_hook = CAST_TO_FN_PTR(abort_hook_t, option->extraInfo); | |
2677 // -XX:+AggressiveHeap | |
2678 } else if (match_option(option, "-XX:+AggressiveHeap", &tail)) { | |
2679 | |
2680 // This option inspects the machine and attempts to set various | |
2681 // parameters to be optimal for long-running, memory allocation | |
2682 // intensive jobs. It is intended for machines with large | |
2683 // amounts of cpu and memory. | |
2684 | |
2685 // initHeapSize is needed since _initial_heap_size is 4 bytes on a 32 bit | |
2686 // VM, but we may not be able to represent the total physical memory | |
2687 // available (like having 8gb of memory on a box but using a 32bit VM). | |
2688 // Thus, we need to make sure we're using a julong for intermediate | |
2689 // calculations. | |
2690 julong initHeapSize; | |
2691 julong total_memory = os::physical_memory(); | |
2692 | |
2693 if (total_memory < (julong)256*M) { | |
2694 jio_fprintf(defaultStream::error_stream(), | |
2695 "You need at least 256mb of memory to use -XX:+AggressiveHeap\n"); | |
2696 vm_exit(1); | |
2697 } | |
2698 | |
2699 // The heap size is half of available memory, or (at most) | |
2700 // all of possible memory less 160mb (leaving room for the OS | |
2701 // when using ISM). This is the maximum; because adaptive sizing | |
2702 // is turned on below, the actual space used may be smaller. | |
2703 | |
2704 initHeapSize = MIN2(total_memory / (julong)2, | |
2705 total_memory - (julong)160*M); | |
2706 | |
2707 // Make sure that if we have a lot of memory we cap the 32 bit | |
2708 // process space. The 64bit VM version of this function is a nop. | |
2709 initHeapSize = os::allocatable_physical_memory(initHeapSize); | |
2710 | |
2711 if (FLAG_IS_DEFAULT(MaxHeapSize)) { | |
2712 FLAG_SET_CMDLINE(uintx, MaxHeapSize, initHeapSize); | |
1064 | 2713 FLAG_SET_CMDLINE(uintx, InitialHeapSize, initHeapSize); |
0 | 2714 // Currently the minimum size and the initial heap sizes are the same. |
1064 | 2715 set_min_heap_size(initHeapSize); |
0 | 2716 } |
2717 if (FLAG_IS_DEFAULT(NewSize)) { | |
2718 // Make the young generation 3/8ths of the total heap. | |
2719 FLAG_SET_CMDLINE(uintx, NewSize, | |
2720 ((julong)MaxHeapSize / (julong)8) * (julong)3); | |
2721 FLAG_SET_CMDLINE(uintx, MaxNewSize, NewSize); | |
2722 } | |
2723 | |
6917
e81fbc04a942
7191817: -XX:+UseSerialGC -XX:+UseLargePages crashes with SIGFPE on MacOS X
coleenp
parents:
6916
diff
changeset
|
2724 #ifndef _ALLBSD_SOURCE // UseLargePages is not yet supported on BSD. |
0 | 2725 FLAG_SET_DEFAULT(UseLargePages, true); |
6917
e81fbc04a942
7191817: -XX:+UseSerialGC -XX:+UseLargePages crashes with SIGFPE on MacOS X
coleenp
parents:
6916
diff
changeset
|
2726 #endif |
0 | 2727 |
2728 // Increase some data structure sizes for efficiency | |
2729 FLAG_SET_CMDLINE(uintx, BaseFootPrintEstimate, MaxHeapSize); | |
2730 FLAG_SET_CMDLINE(bool, ResizeTLAB, false); | |
2731 FLAG_SET_CMDLINE(uintx, TLABSize, 256*K); | |
2732 | |
2733 // See the OldPLABSize comment below, but replace 'after promotion' | |
2734 // with 'after copying'. YoungPLABSize is the size of the survivor | |
2735 // space per-gc-thread buffers. The default is 4kw. | |
2736 FLAG_SET_CMDLINE(uintx, YoungPLABSize, 256*K); // Note: this is in words | |
2737 | |
2738 // OldPLABSize is the size of the buffers in the old gen that | |
2739 // UseParallelGC uses to promote live data that doesn't fit in the | |
2740 // survivor spaces. At any given time, there's one for each gc thread. | |
2741 // The default size is 1kw. These buffers are rarely used, since the | |
2742 // survivor spaces are usually big enough. For specjbb, however, there | |
2743 // are occasions when there's lots of live data in the young gen | |
2744 // and we end up promoting some of it. We don't have a definite | |
2745 // explanation for why bumping OldPLABSize helps, but the theory | |
2746 // is that a bigger PLAB results in retaining something like the | |
2747 // original allocation order after promotion, which improves mutator | |
2748 // locality. A minor effect may be that larger PLABs reduce the | |
2749 // number of PLAB allocation events during gc. The value of 8kw | |
2750 // was arrived at by experimenting with specjbb. | |
2751 FLAG_SET_CMDLINE(uintx, OldPLABSize, 8*K); // Note: this is in words | |
2752 | |
2753 // Enable parallel GC and adaptive generation sizing | |
2754 FLAG_SET_CMDLINE(bool, UseParallelGC, true); | |
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2755 FLAG_SET_DEFAULT(ParallelGCThreads, |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
2756 Abstract_VM_Version::parallel_worker_threads()); |
0 | 2757 |
2758 // Encourage steady state memory management | |
2759 FLAG_SET_CMDLINE(uintx, ThresholdTolerance, 100); | |
2760 | |
2761 // This appears to improve mutator locality | |
2762 FLAG_SET_CMDLINE(bool, ScavengeBeforeFullGC, false); | |
2763 | |
2764 // Get around early Solaris scheduling bug | |
2765 // (affinity vs other jobs on system) | |
2766 // but disallow DR and offlining (5008695). | |
2767 FLAG_SET_CMDLINE(bool, BindGCTaskThreadsToCPUs, true); | |
2768 | |
2769 } else if (match_option(option, "-XX:+NeverTenure", &tail)) { | |
2770 // The last option must always win. | |
2771 FLAG_SET_CMDLINE(bool, AlwaysTenure, false); | |
2772 FLAG_SET_CMDLINE(bool, NeverTenure, true); | |
2773 } else if (match_option(option, "-XX:+AlwaysTenure", &tail)) { | |
2774 // The last option must always win. | |
2775 FLAG_SET_CMDLINE(bool, NeverTenure, false); | |
2776 FLAG_SET_CMDLINE(bool, AlwaysTenure, true); | |
2777 } else if (match_option(option, "-XX:+CMSPermGenSweepingEnabled", &tail) || | |
2778 match_option(option, "-XX:-CMSPermGenSweepingEnabled", &tail)) { | |
2779 jio_fprintf(defaultStream::error_stream(), | |
2780 "Please use CMSClassUnloadingEnabled in place of " | |
2781 "CMSPermGenSweepingEnabled in the future\n"); | |
2782 } else if (match_option(option, "-XX:+UseGCTimeLimit", &tail)) { | |
2783 FLAG_SET_CMDLINE(bool, UseGCOverheadLimit, true); | |
2784 jio_fprintf(defaultStream::error_stream(), | |
2785 "Please use -XX:+UseGCOverheadLimit in place of " | |
2786 "-XX:+UseGCTimeLimit in the future\n"); | |
2787 } else if (match_option(option, "-XX:-UseGCTimeLimit", &tail)) { | |
2788 FLAG_SET_CMDLINE(bool, UseGCOverheadLimit, false); | |
2789 jio_fprintf(defaultStream::error_stream(), | |
2790 "Please use -XX:-UseGCOverheadLimit in place of " | |
2791 "-XX:-UseGCTimeLimit in the future\n"); | |
2792 // The TLE options are for compatibility with 1.3 and will be | |
2793 // removed without notice in a future release. These options | |
2794 // are not to be documented. | |
2795 } else if (match_option(option, "-XX:MaxTLERatio=", &tail)) { | |
2796 // No longer used. | |
2797 } else if (match_option(option, "-XX:+ResizeTLE", &tail)) { | |
2798 FLAG_SET_CMDLINE(bool, ResizeTLAB, true); | |
2799 } else if (match_option(option, "-XX:-ResizeTLE", &tail)) { | |
2800 FLAG_SET_CMDLINE(bool, ResizeTLAB, false); | |
2801 } else if (match_option(option, "-XX:+PrintTLE", &tail)) { | |
2802 FLAG_SET_CMDLINE(bool, PrintTLAB, true); | |
2803 } else if (match_option(option, "-XX:-PrintTLE", &tail)) { | |
2804 FLAG_SET_CMDLINE(bool, PrintTLAB, false); | |
2805 } else if (match_option(option, "-XX:TLEFragmentationRatio=", &tail)) { | |
2806 // No longer used. | |
2807 } else if (match_option(option, "-XX:TLESize=", &tail)) { | |
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
2808 julong long_tlab_size = 0; |
0 | 2809 ArgsRange errcode = parse_memory_size(tail, &long_tlab_size, 1); |
2810 if (errcode != arg_in_range) { | |
2811 jio_fprintf(defaultStream::error_stream(), | |
2812 "Invalid TLAB size: %s\n", option->optionString); | |
2813 describe_range_error(errcode); | |
2814 return JNI_EINVAL; | |
2815 } | |
2816 FLAG_SET_CMDLINE(uintx, TLABSize, long_tlab_size); | |
2817 } else if (match_option(option, "-XX:TLEThreadRatio=", &tail)) { | |
2818 // No longer used. | |
2819 } else if (match_option(option, "-XX:+UseTLE", &tail)) { | |
2820 FLAG_SET_CMDLINE(bool, UseTLAB, true); | |
2821 } else if (match_option(option, "-XX:-UseTLE", &tail)) { | |
2822 FLAG_SET_CMDLINE(bool, UseTLAB, false); | |
2823 SOLARIS_ONLY( | |
2824 } else if (match_option(option, "-XX:+UsePermISM", &tail)) { | |
2825 warning("-XX:+UsePermISM is obsolete."); | |
2826 FLAG_SET_CMDLINE(bool, UseISM, true); | |
2827 } else if (match_option(option, "-XX:-UsePermISM", &tail)) { | |
2828 FLAG_SET_CMDLINE(bool, UseISM, false); | |
2829 ) | |
2830 } else if (match_option(option, "-XX:+DisplayVMOutputToStderr", &tail)) { | |
2831 FLAG_SET_CMDLINE(bool, DisplayVMOutputToStdout, false); | |
2832 FLAG_SET_CMDLINE(bool, DisplayVMOutputToStderr, true); | |
2833 } else if (match_option(option, "-XX:+DisplayVMOutputToStdout", &tail)) { | |
2834 FLAG_SET_CMDLINE(bool, DisplayVMOutputToStderr, false); | |
2835 FLAG_SET_CMDLINE(bool, DisplayVMOutputToStdout, true); | |
2836 } else if (match_option(option, "-XX:+ExtendedDTraceProbes", &tail)) { | |
4006 | 2837 #if defined(DTRACE_ENABLED) |
0 | 2838 FLAG_SET_CMDLINE(bool, ExtendedDTraceProbes, true); |
2839 FLAG_SET_CMDLINE(bool, DTraceMethodProbes, true); | |
2840 FLAG_SET_CMDLINE(bool, DTraceAllocProbes, true); | |
2841 FLAG_SET_CMDLINE(bool, DTraceMonitorProbes, true); | |
4006 | 2842 #else // defined(DTRACE_ENABLED) |
0 | 2843 jio_fprintf(defaultStream::error_stream(), |
4006 | 2844 "ExtendedDTraceProbes flag is not applicable for this configuration\n"); |
0 | 2845 return JNI_EINVAL; |
4006 | 2846 #endif // defined(DTRACE_ENABLED) |
0 | 2847 #ifdef ASSERT |
1145
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
2848 } else if (match_option(option, "-XX:+FullGCALot", &tail)) { |
0 | 2849 FLAG_SET_CMDLINE(bool, FullGCALot, true); |
2850 // disable scavenge before parallel mark-compact | |
2851 FLAG_SET_CMDLINE(bool, ScavengeBeforeFullGC, false); | |
2852 #endif | |
1145
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
2853 } else if (match_option(option, "-XX:CMSParPromoteBlocksToClaim=", &tail)) { |
0 | 2854 julong cms_blocks_to_claim = (julong)atol(tail); |
2855 FLAG_SET_CMDLINE(uintx, CMSParPromoteBlocksToClaim, cms_blocks_to_claim); | |
2856 jio_fprintf(defaultStream::error_stream(), | |
1145
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
2857 "Please use -XX:OldPLABSize in place of " |
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
2858 "-XX:CMSParPromoteBlocksToClaim in the future\n"); |
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
2859 } else if (match_option(option, "-XX:ParCMSPromoteBlocksToClaim=", &tail)) { |
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
2860 julong cms_blocks_to_claim = (julong)atol(tail); |
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
2861 FLAG_SET_CMDLINE(uintx, CMSParPromoteBlocksToClaim, cms_blocks_to_claim); |
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
2862 jio_fprintf(defaultStream::error_stream(), |
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
2863 "Please use -XX:OldPLABSize in place of " |
0 | 2864 "-XX:ParCMSPromoteBlocksToClaim in the future\n"); |
1145
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
2865 } else if (match_option(option, "-XX:ParallelGCOldGenAllocBufferSize=", &tail)) { |
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
2866 julong old_plab_size = 0; |
0 | 2867 ArgsRange errcode = parse_memory_size(tail, &old_plab_size, 1); |
2868 if (errcode != arg_in_range) { | |
2869 jio_fprintf(defaultStream::error_stream(), | |
2870 "Invalid old PLAB size: %s\n", option->optionString); | |
2871 describe_range_error(errcode); | |
2872 return JNI_EINVAL; | |
2873 } | |
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
2874 FLAG_SET_CMDLINE(uintx, OldPLABSize, old_plab_size); |
0 | 2875 jio_fprintf(defaultStream::error_stream(), |
2876 "Please use -XX:OldPLABSize in place of " | |
2877 "-XX:ParallelGCOldGenAllocBufferSize in the future\n"); | |
1145
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
2878 } else if (match_option(option, "-XX:ParallelGCToSpaceAllocBufferSize=", &tail)) { |
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
2879 julong young_plab_size = 0; |
0 | 2880 ArgsRange errcode = parse_memory_size(tail, &young_plab_size, 1); |
2881 if (errcode != arg_in_range) { | |
2882 jio_fprintf(defaultStream::error_stream(), | |
2883 "Invalid young PLAB size: %s\n", option->optionString); | |
2884 describe_range_error(errcode); | |
2885 return JNI_EINVAL; | |
2886 } | |
489
2494ab195856
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes.
swamyv
parents:
483
diff
changeset
|
2887 FLAG_SET_CMDLINE(uintx, YoungPLABSize, young_plab_size); |
0 | 2888 jio_fprintf(defaultStream::error_stream(), |
2889 "Please use -XX:YoungPLABSize in place of " | |
2890 "-XX:ParallelGCToSpaceAllocBufferSize in the future\n"); | |
1284 | 2891 } else if (match_option(option, "-XX:CMSMarkStackSize=", &tail) || |
2892 match_option(option, "-XX:G1MarkStackSize=", &tail)) { | |
2893 julong stack_size = 0; | |
2894 ArgsRange errcode = parse_memory_size(tail, &stack_size, 1); | |
2895 if (errcode != arg_in_range) { | |
2896 jio_fprintf(defaultStream::error_stream(), | |
2897 "Invalid mark stack size: %s\n", option->optionString); | |
2898 describe_range_error(errcode); | |
2899 return JNI_EINVAL; | |
2900 } | |
2901 FLAG_SET_CMDLINE(uintx, MarkStackSize, stack_size); | |
2902 } else if (match_option(option, "-XX:CMSMarkStackSizeMax=", &tail)) { | |
2903 julong max_stack_size = 0; | |
2904 ArgsRange errcode = parse_memory_size(tail, &max_stack_size, 1); | |
2905 if (errcode != arg_in_range) { | |
2906 jio_fprintf(defaultStream::error_stream(), | |
2907 "Invalid maximum mark stack size: %s\n", | |
2908 option->optionString); | |
2909 describe_range_error(errcode); | |
2910 return JNI_EINVAL; | |
2911 } | |
2912 FLAG_SET_CMDLINE(uintx, MarkStackSizeMax, max_stack_size); | |
2913 } else if (match_option(option, "-XX:ParallelMarkingThreads=", &tail) || | |
2914 match_option(option, "-XX:ParallelCMSThreads=", &tail)) { | |
2915 uintx conc_threads = 0; | |
2916 if (!parse_uintx(tail, &conc_threads, 1)) { | |
2917 jio_fprintf(defaultStream::error_stream(), | |
2918 "Invalid concurrent threads: %s\n", option->optionString); | |
2919 return JNI_EINVAL; | |
2920 } | |
2921 FLAG_SET_CMDLINE(uintx, ConcGCThreads, conc_threads); | |
6199
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
2922 } else if (match_option(option, "-XX:MaxDirectMemorySize=", &tail)) { |
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
2923 julong max_direct_memory_size = 0; |
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
2924 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
|
2925 if (errcode != arg_in_range) { |
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
2926 jio_fprintf(defaultStream::error_stream(), |
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
2927 "Invalid maximum direct memory size: %s\n", |
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
2928 option->optionString); |
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
2929 describe_range_error(errcode); |
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
2930 return JNI_EINVAL; |
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
2931 } |
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6198
diff
changeset
|
2932 FLAG_SET_CMDLINE(uintx, MaxDirectMemorySize, max_direct_memory_size); |
6878
85916677fc22
7188233: UseVMInterruptibleIO flag deprecate for JDK8
coleenp
parents:
6857
diff
changeset
|
2933 } else if (match_option(option, "-XX:+UseVMInterruptibleIO", &tail)) { |
85916677fc22
7188233: UseVMInterruptibleIO flag deprecate for JDK8
coleenp
parents:
6857
diff
changeset
|
2934 // NOTE! In JDK 9, the UseVMInterruptibleIO flag will completely go |
85916677fc22
7188233: UseVMInterruptibleIO flag deprecate for JDK8
coleenp
parents:
6857
diff
changeset
|
2935 // away and will cause VM initialization failures! |
85916677fc22
7188233: UseVMInterruptibleIO flag deprecate for JDK8
coleenp
parents:
6857
diff
changeset
|
2936 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
|
2937 FLAG_SET_CMDLINE(bool, UseVMInterruptibleIO, true); |
1145
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1074
diff
changeset
|
2938 } else if (match_option(option, "-XX:", &tail)) { // -XX:xxxx |
0 | 2939 // Skip -XX:Flags= since that case has already been handled |
2940 if (strncmp(tail, "Flags=", strlen("Flags=")) != 0) { | |
2941 if (!process_argument(tail, args->ignoreUnrecognized, origin)) { | |
2942 return JNI_EINVAL; | |
2943 } | |
2944 } | |
4559
723df37192d6
Make it possible again to build a real client libjvm, drop the UseGraal flag.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
4350
diff
changeset
|
2945 } |
723df37192d6
Make it possible again to build a real client libjvm, drop the UseGraal flag.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
4350
diff
changeset
|
2946 #ifdef GRAAL |
723df37192d6
Make it possible again to build a real client libjvm, drop the UseGraal flag.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
4350
diff
changeset
|
2947 else if (match_option(option, "-G:", &tail)) { // -G:XXX |
2891
75a99b4f1c98
Rebranded C++ part from C1X to Graal.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2873
diff
changeset
|
2948 // Option for the graal compiler. |
1437
9e5e83ca2259
Enabled -C1X:OPTIONS when running HotSpot/C1X. Enabled checkstyle for the HotSpotVM Java project.
Thomas Wuerthinger <wuerthinger@ssw.jku.at>
parents:
1356
diff
changeset
|
2949 if (PrintVMOptions) { |
2891
75a99b4f1c98
Rebranded C++ part from C1X to Graal.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2873
diff
changeset
|
2950 tty->print_cr("graal option %s", tail); |
1437
9e5e83ca2259
Enabled -C1X:OPTIONS when running HotSpot/C1X. Enabled checkstyle for the HotSpotVM Java project.
Thomas Wuerthinger <wuerthinger@ssw.jku.at>
parents:
1356
diff
changeset
|
2951 } |
2891
75a99b4f1c98
Rebranded C++ part from C1X to Graal.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2873
diff
changeset
|
2952 Arguments::add_graal_arg(tail); |
1437
9e5e83ca2259
Enabled -C1X:OPTIONS when running HotSpot/C1X. Enabled checkstyle for the HotSpotVM Java project.
Thomas Wuerthinger <wuerthinger@ssw.jku.at>
parents:
1356
diff
changeset
|
2953 |
0 | 2954 // Unknown option |
4559
723df37192d6
Make it possible again to build a real client libjvm, drop the UseGraal flag.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
4350
diff
changeset
|
2955 } |
723df37192d6
Make it possible again to build a real client libjvm, drop the UseGraal flag.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
4350
diff
changeset
|
2956 #endif |
723df37192d6
Make it possible again to build a real client libjvm, drop the UseGraal flag.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
4350
diff
changeset
|
2957 else if (is_bad_option(option, args->ignoreUnrecognized)) { |
0 | 2958 return JNI_ERR; |
2959 } | |
2960 } | |
3767
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3349
diff
changeset
|
2961 |
449
171e581e8161
6554406: Change switch UseVMInterruptibleIO default to false (sol)
xlu
parents:
420
diff
changeset
|
2962 // 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
|
2963 // when working with older JDKs. |
1679
3d90023429ec
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
1628
diff
changeset
|
2964 #ifdef LINUX |
3d90023429ec
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
1628
diff
changeset
|
2965 if (JDK_Version::current().compare_major(6) <= 0 && |
3d90023429ec
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
1628
diff
changeset
|
2966 FLAG_IS_DEFAULT(UseLinuxPosixThreadCPUClocks)) { |
3d90023429ec
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
1628
diff
changeset
|
2967 FLAG_SET_DEFAULT(UseLinuxPosixThreadCPUClocks, false); |
3d90023429ec
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
1628
diff
changeset
|
2968 } |
3d90023429ec
6888526: Linux getCurrentThreadCpuTime is drastically slower than Windows
aph
parents:
1628
diff
changeset
|
2969 #endif // LINUX |
0 | 2970 return JNI_OK; |
2971 } | |
2972 | |
2973 jint Arguments::finalize_vm_init_args(SysClassPath* scp_p, bool scp_assembly_required) { | |
2974 // This must be done after all -D arguments have been processed. | |
2975 scp_p->expand_endorsed(); | |
2976 | |
2977 if (scp_assembly_required || scp_p->get_endorsed() != NULL) { | |
2978 // Assemble the bootclasspath elements into the final path. | |
2979 Arguments::set_sysclasspath(scp_p->combined_path()); | |
2980 } | |
2981 | |
2982 // This must be done after all arguments have been processed. | |
2983 // java_compiler() true means set to "NONE" or empty. | |
2984 if (java_compiler() && !xdebug_mode()) { | |
2985 // For backwards compatibility, we switch to interpreted mode if | |
2986 // -Djava.compiler="NONE" or "" is specified AND "-Xdebug" was | |
2987 // not specified. | |
2988 set_mode_flags(_int); | |
2989 } | |
2990 if (CompileThreshold == 0) { | |
2991 set_mode_flags(_int); | |
2992 } | |
2993 | |
2994 #ifndef COMPILER2 | |
2995 // Don't degrade server performance for footprint | |
2996 if (FLAG_IS_DEFAULT(UseLargePages) && | |
2997 MaxHeapSize < LargePageHeapSizeThreshold) { | |
2998 // No need for large granularity pages w/small heaps. | |
2999 // Note that large pages are enabled/disabled for both the | |
3000 // Java heap and the code cache. | |
3001 FLAG_SET_DEFAULT(UseLargePages, false); | |
3002 SOLARIS_ONLY(FLAG_SET_DEFAULT(UseMPSS, false)); | |
3003 SOLARIS_ONLY(FLAG_SET_DEFAULT(UseISM, false)); | |
3004 } | |
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
3005 |
1251
576e77447e3c
6923002: assert(false,"this call site should not be polymorphic")
kvn
parents:
1188
diff
changeset
|
3006 // Tiered compilation is undefined with C1. |
576e77447e3c
6923002: assert(false,"this call site should not be polymorphic")
kvn
parents:
1188
diff
changeset
|
3007 TieredCompilation = false; |
0 | 3008 #else |
3009 if (!FLAG_IS_DEFAULT(OptoLoopAlignment) && FLAG_IS_DEFAULT(MaxLoopPad)) { | |
3010 FLAG_SET_DEFAULT(MaxLoopPad, OptoLoopAlignment-1); | |
3011 } | |
3012 #endif | |
3013 | |
1681
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3014 // 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
|
3015 // to be true unless the property has already been set. |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3016 // 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
|
3017 if (os::is_headless_jre()) { |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3018 const char* headless = Arguments::get_property("java.awt.headless"); |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3019 if (headless == NULL) { |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3020 char envbuffer[128]; |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3021 if (!os::getenv("JAVA_AWT_HEADLESS", envbuffer, sizeof(envbuffer))) { |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3022 if (!add_property("java.awt.headless=true")) { |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3023 return JNI_ENOMEM; |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3024 } |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3025 } else { |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3026 char buffer[256]; |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3027 strcpy(buffer, "java.awt.headless="); |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3028 strcat(buffer, envbuffer); |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3029 if (!add_property(buffer)) { |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3030 return JNI_ENOMEM; |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3031 } |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3032 } |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3033 } |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3034 } |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3035 |
0 | 3036 if (!check_vm_args_consistency()) { |
3037 return JNI_ERR; | |
3038 } | |
3039 | |
3040 return JNI_OK; | |
3041 } | |
3042 | |
3043 jint Arguments::parse_java_options_environment_variable(SysClassPath* scp_p, bool* scp_assembly_required_p) { | |
3044 return parse_options_environment_variable("_JAVA_OPTIONS", scp_p, | |
3045 scp_assembly_required_p); | |
3046 } | |
3047 | |
3048 jint Arguments::parse_java_tool_options_environment_variable(SysClassPath* scp_p, bool* scp_assembly_required_p) { | |
3049 return parse_options_environment_variable("JAVA_TOOL_OPTIONS", scp_p, | |
3050 scp_assembly_required_p); | |
3051 } | |
3052 | |
3053 jint Arguments::parse_options_environment_variable(const char* name, SysClassPath* scp_p, bool* scp_assembly_required_p) { | |
3054 const int N_MAX_OPTIONS = 64; | |
3055 const int OPTION_BUFFER_SIZE = 1024; | |
3056 char buffer[OPTION_BUFFER_SIZE]; | |
3057 | |
3058 // The variable will be ignored if it exceeds the length of the buffer. | |
3059 // Don't check this variable if user has special privileges | |
3060 // (e.g. unix su command). | |
3061 if (os::getenv(name, buffer, sizeof(buffer)) && | |
3062 !os::have_special_privileges()) { | |
3063 JavaVMOption options[N_MAX_OPTIONS]; // Construct option array | |
3064 jio_fprintf(defaultStream::error_stream(), | |
3065 "Picked up %s: %s\n", name, buffer); | |
3066 char* rd = buffer; // pointer to the input string (rd) | |
3067 int i; | |
3068 for (i = 0; i < N_MAX_OPTIONS;) { // repeat for all options in the input string | |
3069 while (isspace(*rd)) rd++; // skip whitespace | |
3070 if (*rd == 0) break; // we re done when the input string is read completely | |
3071 | |
3072 // The output, option string, overwrites the input string. | |
3073 // Because of quoting, the pointer to the option string (wrt) may lag the pointer to | |
3074 // input string (rd). | |
3075 char* wrt = rd; | |
3076 | |
3077 options[i++].optionString = wrt; // Fill in option | |
3078 while (*rd != 0 && !isspace(*rd)) { // unquoted strings terminate with a space or NULL | |
3079 if (*rd == '\'' || *rd == '"') { // handle a quoted string | |
3080 int quote = *rd; // matching quote to look for | |
3081 rd++; // don't copy open quote | |
3082 while (*rd != quote) { // include everything (even spaces) up until quote | |
3083 if (*rd == 0) { // string termination means unmatched string | |
3084 jio_fprintf(defaultStream::error_stream(), | |
3085 "Unmatched quote in %s\n", name); | |
3086 return JNI_ERR; | |
3087 } | |
3088 *wrt++ = *rd++; // copy to option string | |
3089 } | |
3090 rd++; // don't copy close quote | |
3091 } else { | |
3092 *wrt++ = *rd++; // copy to option string | |
3093 } | |
3094 } | |
3095 // Need to check if we're done before writing a NULL, | |
3096 // because the write could be to the byte that rd is pointing to. | |
3097 if (*rd++ == 0) { | |
3098 *wrt = 0; | |
3099 break; | |
3100 } | |
3101 *wrt = 0; // Zero terminate option | |
3102 } | |
3103 // Construct JavaVMInitArgs structure and parse as if it was part of the command line | |
3104 JavaVMInitArgs vm_args; | |
3105 vm_args.version = JNI_VERSION_1_2; | |
3106 vm_args.options = options; | |
3107 vm_args.nOptions = i; | |
564 | 3108 vm_args.ignoreUnrecognized = IgnoreUnrecognizedVMOptions; |
0 | 3109 |
3110 if (PrintVMOptions) { | |
3111 const char* tail; | |
3112 for (int i = 0; i < vm_args.nOptions; i++) { | |
3113 const JavaVMOption *option = vm_args.options + i; | |
3114 if (match_option(option, "-XX:", &tail)) { | |
3115 logOption(tail); | |
3116 } | |
3117 } | |
3118 } | |
3119 | |
3120 return(parse_each_vm_init_arg(&vm_args, scp_p, scp_assembly_required_p, ENVIRON_VAR)); | |
3121 } | |
3122 return JNI_OK; | |
3123 } | |
3124 | |
2362
a2c2eac1ca62
7018056: large pages not always enabled by default
jcoomes
parents:
2302
diff
changeset
|
3125 void Arguments::set_shared_spaces_flags() { |
2378 | 3126 const bool must_share = DumpSharedSpaces || RequireSharedSpaces; |
3127 const bool might_share = must_share || UseSharedSpaces; | |
3128 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3129 // CompressedOops cannot be used with CDS. The offsets of oopmaps and |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3130 // static fields are incorrect in the archive. With some more clever |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3131 // initialization, this restriction can probably be lifted. |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3132 // ??? UseLargePages might be okay now |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3133 const bool cannot_share = UseCompressedOops || |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3134 (UseLargePages && FLAG_IS_CMDLINE(UseLargePages)); |
2362
a2c2eac1ca62
7018056: large pages not always enabled by default
jcoomes
parents:
2302
diff
changeset
|
3135 if (cannot_share) { |
a2c2eac1ca62
7018056: large pages not always enabled by default
jcoomes
parents:
2302
diff
changeset
|
3136 if (must_share) { |
6736
11fb740ce98f
7196103: NPG: Unable to allocate bit map for parallel garbage collection for the requested heap size
coleenp
parents:
6725
diff
changeset
|
3137 warning("disabling large pages %s" |
2378 | 3138 "because of %s", "" LP64_ONLY("and compressed oops "), |
3139 DumpSharedSpaces ? "-Xshare:dump" : "-Xshare:on"); | |
3140 FLAG_SET_CMDLINE(bool, UseLargePages, false); | |
3141 LP64_ONLY(FLAG_SET_CMDLINE(bool, UseCompressedOops, false)); | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3142 LP64_ONLY(FLAG_SET_CMDLINE(bool, UseCompressedKlassPointers, false)); |
2362
a2c2eac1ca62
7018056: large pages not always enabled by default
jcoomes
parents:
2302
diff
changeset
|
3143 } else { |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3144 // Prefer compressed oops and large pages to class data sharing |
2362
a2c2eac1ca62
7018056: large pages not always enabled by default
jcoomes
parents:
2302
diff
changeset
|
3145 if (UseSharedSpaces && Verbose) { |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3146 warning("turning off use of shared archive because of large pages%s", |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3147 "" LP64_ONLY(" and/or compressed oops")); |
2362
a2c2eac1ca62
7018056: large pages not always enabled by default
jcoomes
parents:
2302
diff
changeset
|
3148 } |
a2c2eac1ca62
7018056: large pages not always enabled by default
jcoomes
parents:
2302
diff
changeset
|
3149 no_shared_spaces(); |
a2c2eac1ca62
7018056: large pages not always enabled by default
jcoomes
parents:
2302
diff
changeset
|
3150 } |
a2c2eac1ca62
7018056: large pages not always enabled by default
jcoomes
parents:
2302
diff
changeset
|
3151 } else if (UseLargePages && might_share) { |
a2c2eac1ca62
7018056: large pages not always enabled by default
jcoomes
parents:
2302
diff
changeset
|
3152 // Disable large pages to allow shared spaces. This is sub-optimal, since |
a2c2eac1ca62
7018056: large pages not always enabled by default
jcoomes
parents:
2302
diff
changeset
|
3153 // there may not even be a shared archive to use. |
a2c2eac1ca62
7018056: large pages not always enabled by default
jcoomes
parents:
2302
diff
changeset
|
3154 FLAG_SET_DEFAULT(UseLargePages, false); |
a2c2eac1ca62
7018056: large pages not always enabled by default
jcoomes
parents:
2302
diff
changeset
|
3155 } |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3156 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3157 // Add 2M to any size for SharedReadOnlySize to get around the JPRT setting |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3158 if (DumpSharedSpaces && !FLAG_IS_DEFAULT(SharedReadOnlySize)) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3159 SharedReadOnlySize = 14*M; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3160 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3161 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3162 if (DumpSharedSpaces) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3163 if (RequireSharedSpaces) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3164 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
|
3165 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3166 UseSharedSpaces = false; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3167 } |
2362
a2c2eac1ca62
7018056: large pages not always enabled by default
jcoomes
parents:
2302
diff
changeset
|
3168 } |
1891
9de67bf4244d
6996136: VM crash in src/share/vm/runtime/virtualspace.cpp:424
iveresov
parents:
1890
diff
changeset
|
3169 |
3797
eb94b7226b7a
7061192: option handling adjustments for oracle and embedded builds
jcoomes
parents:
3769
diff
changeset
|
3170 // Disable options not supported in this release, with a warning if they |
eb94b7226b7a
7061192: option handling adjustments for oracle and embedded builds
jcoomes
parents:
3769
diff
changeset
|
3171 // were explicitly requested on the command-line |
eb94b7226b7a
7061192: option handling adjustments for oracle and embedded builds
jcoomes
parents:
3769
diff
changeset
|
3172 #define UNSUPPORTED_OPTION(opt, description) \ |
eb94b7226b7a
7061192: option handling adjustments for oracle and embedded builds
jcoomes
parents:
3769
diff
changeset
|
3173 do { \ |
eb94b7226b7a
7061192: option handling adjustments for oracle and embedded builds
jcoomes
parents:
3769
diff
changeset
|
3174 if (opt) { \ |
eb94b7226b7a
7061192: option handling adjustments for oracle and embedded builds
jcoomes
parents:
3769
diff
changeset
|
3175 if (FLAG_IS_CMDLINE(opt)) { \ |
eb94b7226b7a
7061192: option handling adjustments for oracle and embedded builds
jcoomes
parents:
3769
diff
changeset
|
3176 warning(description " is disabled in this release."); \ |
eb94b7226b7a
7061192: option handling adjustments for oracle and embedded builds
jcoomes
parents:
3769
diff
changeset
|
3177 } \ |
eb94b7226b7a
7061192: option handling adjustments for oracle and embedded builds
jcoomes
parents:
3769
diff
changeset
|
3178 FLAG_SET_DEFAULT(opt, false); \ |
eb94b7226b7a
7061192: option handling adjustments for oracle and embedded builds
jcoomes
parents:
3769
diff
changeset
|
3179 } \ |
eb94b7226b7a
7061192: option handling adjustments for oracle and embedded builds
jcoomes
parents:
3769
diff
changeset
|
3180 } while(0) |
eb94b7226b7a
7061192: option handling adjustments for oracle and embedded builds
jcoomes
parents:
3769
diff
changeset
|
3181 |
0 | 3182 // Parse entry point called from JNI_CreateJavaVM |
3183 | |
3184 jint Arguments::parse(const JavaVMInitArgs* args) { | |
3185 | |
3186 // Sharing support | |
3187 // Construct the path to the archive | |
3188 char jvm_path[JVM_MAXPATHLEN]; | |
3189 os::jvm_path(jvm_path, sizeof(jvm_path)); | |
3190 char *end = strrchr(jvm_path, *os::file_separator()); | |
3191 if (end != NULL) *end = '\0'; | |
3192 char *shared_archive_path = NEW_C_HEAP_ARRAY(char, strlen(jvm_path) + | |
6197 | 3193 strlen(os::file_separator()) + 20, mtInternal); |
0 | 3194 if (shared_archive_path == NULL) return JNI_ENOMEM; |
3195 strcpy(shared_archive_path, jvm_path); | |
3196 strcat(shared_archive_path, os::file_separator()); | |
3197 strcat(shared_archive_path, "classes"); | |
3198 DEBUG_ONLY(strcat(shared_archive_path, "_g");) | |
3199 strcat(shared_archive_path, ".jsa"); | |
3200 SharedArchivePath = shared_archive_path; | |
3201 | |
3202 // Remaining part of option string | |
3203 const char* tail; | |
3204 | |
3205 // 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
|
3206 const char* hotspotrc = ".hotspotrc"; |
0 | 3207 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
|
3208 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
|
3209 |
564 | 3210 const char* flags_file; |
0 | 3211 int index; |
3212 for (index = 0; index < args->nOptions; index++) { | |
3213 const JavaVMOption *option = args->options + index; | |
3214 if (match_option(option, "-XX:Flags=", &tail)) { | |
564 | 3215 flags_file = tail; |
0 | 3216 settings_file_specified = true; |
3217 } | |
3218 if (match_option(option, "-XX:+PrintVMOptions", &tail)) { | |
3219 PrintVMOptions = true; | |
3220 } | |
253
b0fe4deeb9fb
6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.")
kvn
parents:
196
diff
changeset
|
3221 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
|
3222 PrintVMOptions = false; |
b0fe4deeb9fb
6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.")
kvn
parents:
196
diff
changeset
|
3223 } |
564 | 3224 if (match_option(option, "-XX:+IgnoreUnrecognizedVMOptions", &tail)) { |
3225 IgnoreUnrecognizedVMOptions = true; | |
3226 } | |
3227 if (match_option(option, "-XX:-IgnoreUnrecognizedVMOptions", &tail)) { | |
3228 IgnoreUnrecognizedVMOptions = false; | |
3229 } | |
1150 | 3230 if (match_option(option, "-XX:+PrintFlagsInitial", &tail)) { |
4773 | 3231 CommandLineFlags::printFlags(tty, false); |
1150 | 3232 vm_exit(0); |
3233 } | |
6197 | 3234 if (match_option(option, "-XX:NativeMemoryTracking", &tail)) { |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3235 #if INCLUDE_NMT |
6197 | 3236 MemTracker::init_tracking_options(tail); |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3237 #else |
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3238 warning("Native Memory Tracking is not supported in this VM"); |
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3239 #endif |
6197 | 3240 } |
3241 | |
1768
6ee479178066
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
1745
diff
changeset
|
3242 |
6ee479178066
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
1745
diff
changeset
|
3243 #ifndef PRODUCT |
6ee479178066
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
1745
diff
changeset
|
3244 if (match_option(option, "-XX:+PrintFlagsWithComments", &tail)) { |
4773 | 3245 CommandLineFlags::printFlags(tty, true); |
1768
6ee479178066
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
1745
diff
changeset
|
3246 vm_exit(0); |
6ee479178066
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
1745
diff
changeset
|
3247 } |
6ee479178066
6979444: add command line option to print command line flags descriptions
ikrylov
parents:
1745
diff
changeset
|
3248 #endif |
564 | 3249 } |
3250 | |
3251 if (IgnoreUnrecognizedVMOptions) { | |
3252 // uncast const to modify the flag args->ignoreUnrecognized | |
3253 *(jboolean*)(&args->ignoreUnrecognized) = true; | |
3254 } | |
3255 | |
3256 // Parse specified settings file | |
3257 if (settings_file_specified) { | |
3258 if (!process_settings_file(flags_file, true, args->ignoreUnrecognized)) { | |
3259 return JNI_EINVAL; | |
3260 } | |
6196
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3261 } else { |
6150
1e76463170b3
7110720: Issue with vm config file loadingIssue with vm config file loading
kamg
parents:
4780
diff
changeset
|
3262 #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
|
3263 // Parse default .hotspotrc settings file |
0 | 3264 if (!process_settings_file(".hotspotrc", false, args->ignoreUnrecognized)) { |
3265 return JNI_EINVAL; | |
3266 } | |
6196
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3267 #else |
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3268 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
|
3269 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
|
3270 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
|
3271 } |
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3272 #endif |
0 | 3273 } |
3274 | |
3275 if (PrintVMOptions) { | |
3276 for (index = 0; index < args->nOptions; index++) { | |
3277 const JavaVMOption *option = args->options + index; | |
3278 if (match_option(option, "-XX:", &tail)) { | |
3279 logOption(tail); | |
3280 } | |
3281 } | |
3282 } | |
3283 | |
3284 // Parse JavaVMInitArgs structure passed in, as well as JAVA_TOOL_OPTIONS and _JAVA_OPTIONS | |
3285 jint result = parse_vm_init_args(args); | |
3286 if (result != JNI_OK) { | |
3287 return result; | |
3288 } | |
3289 | |
6196
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3290 // 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
|
3291 // 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
|
3292 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
|
3293 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
|
3294 "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
|
3295 hotspotrc, hotspotrc); |
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3296 } |
3759236eea14
7167142: Consider a warning when finding a .hotspotrc or .hotspot_compiler file that isn't used
kamg
parents:
6158
diff
changeset
|
3297 |
6055
35e504cb49a6
7167625: Adjustments for SE-Embedded build process
collins
parents:
6017
diff
changeset
|
3298 #if (defined JAVASE_EMBEDDED || defined ARM) |
3797
eb94b7226b7a
7061192: option handling adjustments for oracle and embedded builds
jcoomes
parents:
3769
diff
changeset
|
3299 UNSUPPORTED_OPTION(UseG1GC, "G1 GC"); |
eb94b7226b7a
7061192: option handling adjustments for oracle and embedded builds
jcoomes
parents:
3769
diff
changeset
|
3300 #endif |
eb94b7226b7a
7061192: option handling adjustments for oracle and embedded builds
jcoomes
parents:
3769
diff
changeset
|
3301 |
6917
e81fbc04a942
7191817: -XX:+UseSerialGC -XX:+UseLargePages crashes with SIGFPE on MacOS X
coleenp
parents:
6916
diff
changeset
|
3302 #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
|
3303 UNSUPPORTED_OPTION(UseLargePages, "-XX:+UseLargePages"); |
e81fbc04a942
7191817: -XX:+UseSerialGC -XX:+UseLargePages crashes with SIGFPE on MacOS X
coleenp
parents:
6916
diff
changeset
|
3304 #endif |
e81fbc04a942
7191817: -XX:+UseSerialGC -XX:+UseLargePages crashes with SIGFPE on MacOS X
coleenp
parents:
6916
diff
changeset
|
3305 |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3306 #if !INCLUDE_ALTERNATE_GCS |
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3307 if (UseParallelGC) { |
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3308 warning("Parallel GC is not supported in this VM. Using Serial GC."); |
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3309 } |
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3310 if (UseParallelOldGC) { |
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3311 warning("Parallel Old GC is not supported in this VM. Using Serial GC."); |
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3312 } |
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3313 if (UseConcMarkSweepGC) { |
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3314 warning("Concurrent Mark Sweep GC is not supported in this VM. Using Serial GC."); |
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3315 } |
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3316 if (UseParNewGC) { |
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3317 warning("Par New GC is not supported in this VM. Using Serial GC."); |
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3318 } |
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3319 #endif // INCLUDE_ALTERNATE_GCS |
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3320 |
0 | 3321 #ifndef PRODUCT |
3322 if (TraceBytecodesAt != 0) { | |
3323 TraceBytecodes = true; | |
3324 } | |
3325 if (CountCompiledCalls) { | |
3326 if (UseCounterDecay) { | |
3327 warning("UseCounterDecay disabled because CountCalls is set"); | |
3328 UseCounterDecay = false; | |
3329 } | |
3330 } | |
3331 #endif // PRODUCT | |
3332 | |
2416
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3333 // 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
|
3334 if (!JDK_Version::is_gte_jdk17x_version()) { |
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3335 if (EnableInvokeDynamic) { |
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3336 if (!FLAG_IS_DEFAULT(EnableInvokeDynamic)) { |
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3337 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
|
3338 } |
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3339 EnableInvokeDynamic = false; |
710 | 3340 } |
3341 } | |
2416
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3342 |
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3343 if (EnableInvokeDynamic && ScavengeRootsInCode == 0) { |
989
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
932
diff
changeset
|
3344 if (!FLAG_IS_DEFAULT(ScavengeRootsInCode)) { |
2416
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2378
diff
changeset
|
3345 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
|
3346 } |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
932
diff
changeset
|
3347 ScavengeRootsInCode = 1; |
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
932
diff
changeset
|
3348 } |
710 | 3349 |
0 | 3350 if (PrintGCDetails) { |
3351 // Turn on -verbose:gc options as well | |
3352 PrintGC = true; | |
3353 } | |
3354 | |
6064
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
3355 if (!JDK_Version::is_gte_jdk18x_version()) { |
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
3356 // 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
|
3357 // true by default in JDK8 and above. |
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
3358 if (FLAG_IS_DEFAULT(PrintGCCause)) { |
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
3359 FLAG_SET_DEFAULT(PrintGCCause, false); |
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
3360 } |
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
3361 } |
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
6017
diff
changeset
|
3362 |
1571
2d127394260e
6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb
kvn
parents:
1506
diff
changeset
|
3363 // 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
|
3364 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
|
3365 |
0 | 3366 #ifdef SERIALGC |
1064 | 3367 force_serial_gc(); |
0 | 3368 #endif // SERIALGC |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3369 #if !INCLUDE_CDS |
0 | 3370 no_shared_spaces(); |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3371 #endif // INCLUDE_CDS |
0 | 3372 |
3373 // Set flags based on ergonomics. | |
3374 set_ergonomics_flags(); | |
3375 | |
2362
a2c2eac1ca62
7018056: large pages not always enabled by default
jcoomes
parents:
2302
diff
changeset
|
3376 set_shared_spaces_flags(); |
1135
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
1131
diff
changeset
|
3377 |
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
3378 // Check the GC selections again. |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
3379 if (!check_gc_consistency()) { |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
3380 return JNI_EINVAL; |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
3381 } |
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
3382 |
1783 | 3383 if (TieredCompilation) { |
3384 set_tiered_flags(); | |
3385 } else { | |
3386 // Check if the policy is valid. Policies 0 and 1 are valid for non-tiered setup. | |
5176
af59b4dfc9e4
compilation queue changes:
Lukas Stadler <lukas.stadler@jku.at>
parents:
5152
diff
changeset
|
3387 if (CompilationPolicyChoice >= 2 && CompilationPolicyChoice < 4) { |
1783 | 3388 vm_exit_during_initialization( |
3389 "Incompatible compilation policy selected", NULL); | |
3390 } | |
3391 } | |
3392 | |
2368
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
3393 // Set heap size based on available physical memory |
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
3394 set_heap_size(); |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3395 |
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3396 #if INCLUDE_ALTERNATE_GCS |
2368
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
3397 // Set per-collector flags |
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
3398 if (UseParallelGC || UseParallelOldGC) { |
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
3399 set_parallel_gc_flags(); |
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
3400 } 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
|
3401 set_cms_and_parnew_gc_flags(); |
2368
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
3402 } else if (UseParNewGC) { // skipped if CMS is set above |
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
3403 set_parnew_gc_flags(); |
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
3404 } else if (UseG1GC) { |
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
parents:
2366
diff
changeset
|
3405 set_g1_gc_flags(); |
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
135
diff
changeset
|
3406 } |
6854
fb19af007ffc
7189254: Change makefiles for more flexibility to override defaults
jprovino
parents:
6818
diff
changeset
|
3407 #endif // INCLUDE_ALTERNATE_GCS |
10
28372612af5e
6362677: Change parallel GC collector default number of parallel GC threads.
jmasa
parents:
0
diff
changeset
|
3408 |
0 | 3409 #ifdef SERIALGC |
3410 assert(verify_serial_gc_flags(), "SerialGC unset"); | |
3411 #endif // SERIALGC | |
3412 | |
3413 // Set bytecode rewriting flags | |
3414 set_bytecode_flags(); | |
3415 | |
3416 // Set flags if Aggressive optimization flags (-XX:+AggressiveOpts) enabled. | |
3417 set_aggressive_opts_flags(); | |
3418 | |
2239
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3419 // Turn off biased locking for locking debug mode flags, |
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3420 // 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
|
3421 // biased locking. |
2331 | 3422 if (UseHeavyMonitors |
3423 #ifdef COMPILER1 | |
3424 || !UseFastLocking | |
3425 #endif // COMPILER1 | |
3426 ) { | |
2239
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3427 if (!FLAG_IS_DEFAULT(UseBiasedLocking) && UseBiasedLocking) { |
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3428 // 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
|
3429 // can't enable biased locking here |
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3430 warning("Biased Locking is not supported with locking debug flags" |
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3431 "; ignoring UseBiasedLocking flag." ); |
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3432 } |
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3433 UseBiasedLocking = false; |
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3434 } |
c08677f98289
6840152: JVM crashes when heavyweight monitors are used
coleenp
parents:
2176
diff
changeset
|
3435 |
0 | 3436 #ifdef CC_INTERP |
1131 | 3437 // Clear flags not supported by the C++ interpreter |
3438 FLAG_SET_DEFAULT(ProfileInterpreter, false); | |
0 | 3439 FLAG_SET_DEFAULT(UseBiasedLocking, false); |
1131 | 3440 LP64_ONLY(FLAG_SET_DEFAULT(UseCompressedOops, false)); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6628
diff
changeset
|
3441 LP64_ONLY(FLAG_SET_DEFAULT(UseCompressedKlassPointers, false)); |
1131 | 3442 #endif // CC_INTERP |
3443 | |
420
a1980da045cc
6462850: generate biased locking code in C2 ideal graph
kvn
parents:
416
diff
changeset
|
3444 #ifdef COMPILER2 |
a1980da045cc
6462850: generate biased locking code in C2 ideal graph
kvn
parents:
416
diff
changeset
|
3445 if (!UseBiasedLocking || EmitSync != 0) { |
a1980da045cc
6462850: generate biased locking code in C2 ideal graph
kvn
parents:
416
diff
changeset
|
3446 UseOptoBiasInlining = false; |
a1980da045cc
6462850: generate biased locking code in C2 ideal graph
kvn
parents:
416
diff
changeset
|
3447 } |
4777 | 3448 if (!EliminateLocks) { |
3449 EliminateNestedLocks = false; | |
3450 } | |
420
a1980da045cc
6462850: generate biased locking code in C2 ideal graph
kvn
parents:
416
diff
changeset
|
3451 #endif |
a1980da045cc
6462850: generate biased locking code in C2 ideal graph
kvn
parents:
416
diff
changeset
|
3452 |
1155
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1150
diff
changeset
|
3453 if (PrintAssembly && FLAG_IS_DEFAULT(DebugNonSafepoints)) { |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1150
diff
changeset
|
3454 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
|
3455 DebugNonSafepoints = true; |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1150
diff
changeset
|
3456 } |
4e6abf09f540
6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents:
1150
diff
changeset
|
3457 |
1188
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
3458 #ifndef PRODUCT |
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
3459 if (CompileTheWorld) { |
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
3460 // 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
|
3461 if (FLAG_IS_DEFAULT(NmethodSweepFraction)) { |
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
3462 NmethodSweepFraction = 1; |
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
3463 } |
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
3464 } |
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
3465 #endif |
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
kvn
parents:
1161
diff
changeset
|
3466 |
0 | 3467 if (PrintCommandLineFlags) { |
4773 | 3468 CommandLineFlags::printSetFlags(tty); |
0 | 3469 } |
3470 | |
1681
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3471 // Apply CPU specific policy for the BiasedLocking |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3472 if (UseBiasedLocking) { |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3473 if (!VM_Version::use_biased_locking() && |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3474 !(FLAG_IS_CMDLINE(UseBiasedLocking))) { |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3475 UseBiasedLocking = false; |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3476 } |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3477 } |
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1679
diff
changeset
|
3478 |
2302
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
3479 // 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
|
3480 // 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
|
3481 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
|
3482 bool set = false; |
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
3483 CommandLineFlags::wasSetOnCmdline("PauseAtExit", &set); |
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
3484 if (!set) { |
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
3485 FLAG_SET_DEFAULT(PauseAtExit, true); |
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
3486 } |
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
3487 } |
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2243
diff
changeset
|
3488 |
0 | 3489 return JNI_OK; |
3490 } | |
3491 | |
3492 int Arguments::PropertyList_count(SystemProperty* pl) { | |
3493 int count = 0; | |
3494 while(pl != NULL) { | |
3495 count++; | |
3496 pl = pl->next(); | |
3497 } | |
3498 return count; | |
3499 } | |
3500 | |
3501 const char* Arguments::PropertyList_get_value(SystemProperty *pl, const char* key) { | |
3502 assert(key != NULL, "just checking"); | |
3503 SystemProperty* prop; | |
3504 for (prop = pl; prop != NULL; prop = prop->next()) { | |
3505 if (strcmp(key, prop->key()) == 0) return prop->value(); | |
3506 } | |
3507 return NULL; | |
3508 } | |
3509 | |
3510 const char* Arguments::PropertyList_get_key_at(SystemProperty *pl, int index) { | |
3511 int count = 0; | |
3512 const char* ret_val = NULL; | |
3513 | |
3514 while(pl != NULL) { | |
3515 if(count >= index) { | |
3516 ret_val = pl->key(); | |
3517 break; | |
3518 } | |
3519 count++; | |
3520 pl = pl->next(); | |
3521 } | |
3522 | |
3523 return ret_val; | |
3524 } | |
3525 | |
3526 char* Arguments::PropertyList_get_value_at(SystemProperty* pl, int index) { | |
3527 int count = 0; | |
3528 char* ret_val = NULL; | |
3529 | |
3530 while(pl != NULL) { | |
3531 if(count >= index) { | |
3532 ret_val = pl->value(); | |
3533 break; | |
3534 } | |
3535 count++; | |
3536 pl = pl->next(); | |
3537 } | |
3538 | |
3539 return ret_val; | |
3540 } | |
3541 | |
3542 void Arguments::PropertyList_add(SystemProperty** plist, SystemProperty *new_p) { | |
3543 SystemProperty* p = *plist; | |
3544 if (p == NULL) { | |
3545 *plist = new_p; | |
3546 } else { | |
3547 while (p->next() != NULL) { | |
3548 p = p->next(); | |
3549 } | |
3550 p->set_next(new_p); | |
3551 } | |
3552 } | |
3553 | |
3554 void Arguments::PropertyList_add(SystemProperty** plist, const char* k, char* v) { | |
3555 if (plist == NULL) | |
3556 return; | |
3557 | |
3558 SystemProperty* new_p = new SystemProperty(k, v, true); | |
3559 PropertyList_add(plist, new_p); | |
3560 } | |
3561 | |
3562 // This add maintains unique property key in the list. | |
691 | 3563 void Arguments::PropertyList_unique_add(SystemProperty** plist, const char* k, char* v, jboolean append) { |
0 | 3564 if (plist == NULL) |
3565 return; | |
3566 | |
3567 // If property key exist then update with new value. | |
3568 SystemProperty* prop; | |
3569 for (prop = *plist; prop != NULL; prop = prop->next()) { | |
3570 if (strcmp(k, prop->key()) == 0) { | |
691 | 3571 if (append) { |
3572 prop->append_value(v); | |
3573 } else { | |
3574 prop->set_value(v); | |
3575 } | |
0 | 3576 return; |
3577 } | |
3578 } | |
3579 | |
3580 PropertyList_add(plist, k, v); | |
3581 } | |
3582 | |
3583 #ifdef KERNEL | |
3584 char *Arguments::get_kernel_properties() { | |
3585 // Find properties starting with kernel and append them to string | |
3586 // We need to find out how long they are first because the URL's that they | |
3587 // might point to could get long. | |
3588 int length = 0; | |
3589 SystemProperty* prop; | |
3590 for (prop = _system_properties; prop != NULL; prop = prop->next()) { | |
3591 if (strncmp(prop->key(), "kernel.", 7 ) == 0) { | |
3592 length += (strlen(prop->key()) + strlen(prop->value()) + 5); // "-D =" | |
3593 } | |
3594 } | |
3595 // Add one for null terminator. | |
6197 | 3596 char *props = AllocateHeap(length + 1, mtInternal); |
0 | 3597 if (length != 0) { |
3598 int pos = 0; | |
3599 for (prop = _system_properties; prop != NULL; prop = prop->next()) { | |
3600 if (strncmp(prop->key(), "kernel.", 7 ) == 0) { | |
3601 jio_snprintf(&props[pos], length-pos, | |
3602 "-D%s=%s ", prop->key(), prop->value()); | |
3603 pos = strlen(props); | |
3604 } | |
3605 } | |
3606 } | |
3607 // null terminate props in case of null | |
3608 props[length] = '\0'; | |
3609 return props; | |
3610 } | |
3611 #endif // KERNEL | |
3612 | |
3613 // Copies src into buf, replacing "%%" with "%" and "%p" with pid | |
3614 // Returns true if all of the source pointed by src has been copied over to | |
3615 // the destination buffer pointed by buf. Otherwise, returns false. | |
3616 // Notes: | |
3617 // 1. If the length (buflen) of the destination buffer excluding the | |
3618 // NULL terminator character is not long enough for holding the expanded | |
3619 // pid characters, it also returns false instead of returning the partially | |
3620 // expanded one. | |
3621 // 2. The passed in "buflen" should be large enough to hold the null terminator. | |
3622 bool Arguments::copy_expand_pid(const char* src, size_t srclen, | |
3623 char* buf, size_t buflen) { | |
3624 const char* p = src; | |
3625 char* b = buf; | |
3626 const char* src_end = &src[srclen]; | |
3627 char* buf_end = &buf[buflen - 1]; | |
3628 | |
3629 while (p < src_end && b < buf_end) { | |
3630 if (*p == '%') { | |
3631 switch (*(++p)) { | |
3632 case '%': // "%%" ==> "%" | |
3633 *b++ = *p++; | |
3634 break; | |
3635 case 'p': { // "%p" ==> current process id | |
3636 // buf_end points to the character before the last character so | |
3637 // that we could write '\0' to the end of the buffer. | |
3638 size_t buf_sz = buf_end - b + 1; | |
3639 int ret = jio_snprintf(b, buf_sz, "%d", os::current_process_id()); | |
3640 | |
3641 // if jio_snprintf fails or the buffer is not long enough to hold | |
3642 // the expanded pid, returns false. | |
3643 if (ret < 0 || ret >= (int)buf_sz) { | |
3644 return false; | |
3645 } else { | |
3646 b += ret; | |
3647 assert(*b == '\0', "fail in copy_expand_pid"); | |
3648 if (p == src_end && b == buf_end + 1) { | |
3649 // reach the end of the buffer. | |
3650 return true; | |
3651 } | |
3652 } | |
3653 p++; | |
3654 break; | |
3655 } | |
3656 default : | |
3657 *b++ = '%'; | |
3658 } | |
3659 } else { | |
3660 *b++ = *p++; | |
3661 } | |
3662 } | |
3663 *b = '\0'; | |
3664 return (p == src_end); // return false if not all of the source was copied | |
3665 } |