Mercurial > hg > truffle
annotate src/share/vm/runtime/globals.hpp @ 12836:b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
Summary: Fix typos and errors in descriptions of vm options in globals.hpp
Reviewed-by: jmasa, jwilhelm
author | tamao |
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date | Wed, 09 Oct 2013 11:18:53 -0700 |
parents | 0f37d1badced |
children | 85c1ca43713f |
rev | line source |
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0 | 1 /* |
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2 * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved. |
0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
4 * | |
5 * This code is free software; you can redistribute it and/or modify it | |
6 * under the terms of the GNU General Public License version 2 only, as | |
7 * published by the Free Software Foundation. | |
8 * | |
9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
12 * version 2 for more details (a copy is included in the LICENSE file that | |
13 * accompanied this code). | |
14 * | |
15 * You should have received a copy of the GNU General Public License version | |
16 * 2 along with this work; if not, write to the Free Software Foundation, | |
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
18 * | |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
0 | 22 * |
23 */ | |
24 | |
1972 | 25 #ifndef SHARE_VM_RUNTIME_GLOBALS_HPP |
26 #define SHARE_VM_RUNTIME_GLOBALS_HPP | |
27 | |
28 #include "utilities/debug.hpp" | |
4868 | 29 |
30 // use this for flags that are true per default in the tiered build | |
31 // but false in non-tiered builds, and vice versa | |
32 #ifdef TIERED | |
33 #define trueInTiered true | |
34 #define falseInTiered false | |
35 #else | |
36 #define trueInTiered false | |
37 #define falseInTiered true | |
38 #endif | |
39 | |
1972 | 40 #ifdef TARGET_ARCH_x86 |
41 # include "globals_x86.hpp" | |
42 #endif | |
43 #ifdef TARGET_ARCH_sparc | |
44 # include "globals_sparc.hpp" | |
45 #endif | |
46 #ifdef TARGET_ARCH_zero | |
47 # include "globals_zero.hpp" | |
48 #endif | |
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49 #ifdef TARGET_ARCH_arm |
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50 # include "globals_arm.hpp" |
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51 #endif |
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52 #ifdef TARGET_ARCH_ppc |
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53 # include "globals_ppc.hpp" |
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54 #endif |
1972 | 55 #ifdef TARGET_OS_FAMILY_linux |
56 # include "globals_linux.hpp" | |
57 #endif | |
58 #ifdef TARGET_OS_FAMILY_solaris | |
59 # include "globals_solaris.hpp" | |
60 #endif | |
61 #ifdef TARGET_OS_FAMILY_windows | |
62 # include "globals_windows.hpp" | |
63 #endif | |
3960 | 64 #ifdef TARGET_OS_FAMILY_bsd |
65 # include "globals_bsd.hpp" | |
66 #endif | |
1972 | 67 #ifdef TARGET_OS_ARCH_linux_x86 |
68 # include "globals_linux_x86.hpp" | |
69 #endif | |
70 #ifdef TARGET_OS_ARCH_linux_sparc | |
71 # include "globals_linux_sparc.hpp" | |
72 #endif | |
73 #ifdef TARGET_OS_ARCH_linux_zero | |
74 # include "globals_linux_zero.hpp" | |
75 #endif | |
76 #ifdef TARGET_OS_ARCH_solaris_x86 | |
77 # include "globals_solaris_x86.hpp" | |
78 #endif | |
79 #ifdef TARGET_OS_ARCH_solaris_sparc | |
80 # include "globals_solaris_sparc.hpp" | |
81 #endif | |
82 #ifdef TARGET_OS_ARCH_windows_x86 | |
83 # include "globals_windows_x86.hpp" | |
84 #endif | |
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85 #ifdef TARGET_OS_ARCH_linux_arm |
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86 # include "globals_linux_arm.hpp" |
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87 #endif |
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88 #ifdef TARGET_OS_ARCH_linux_ppc |
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89 # include "globals_linux_ppc.hpp" |
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90 #endif |
3960 | 91 #ifdef TARGET_OS_ARCH_bsd_x86 |
92 # include "globals_bsd_x86.hpp" | |
93 #endif | |
94 #ifdef TARGET_OS_ARCH_bsd_zero | |
95 # include "globals_bsd_zero.hpp" | |
96 #endif | |
1972 | 97 #ifdef COMPILER1 |
98 #ifdef TARGET_ARCH_x86 | |
99 # include "c1_globals_x86.hpp" | |
100 #endif | |
101 #ifdef TARGET_ARCH_sparc | |
102 # include "c1_globals_sparc.hpp" | |
103 #endif | |
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104 #ifdef TARGET_ARCH_arm |
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105 # include "c1_globals_arm.hpp" |
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106 #endif |
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107 #ifdef TARGET_ARCH_ppc |
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108 # include "c1_globals_ppc.hpp" |
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109 #endif |
1972 | 110 #ifdef TARGET_OS_FAMILY_linux |
111 # include "c1_globals_linux.hpp" | |
112 #endif | |
113 #ifdef TARGET_OS_FAMILY_solaris | |
114 # include "c1_globals_solaris.hpp" | |
115 #endif | |
116 #ifdef TARGET_OS_FAMILY_windows | |
117 # include "c1_globals_windows.hpp" | |
118 #endif | |
3960 | 119 #ifdef TARGET_OS_FAMILY_bsd |
120 # include "c1_globals_bsd.hpp" | |
121 #endif | |
1972 | 122 #endif |
123 #ifdef COMPILER2 | |
124 #ifdef TARGET_ARCH_x86 | |
125 # include "c2_globals_x86.hpp" | |
126 #endif | |
127 #ifdef TARGET_ARCH_sparc | |
128 # include "c2_globals_sparc.hpp" | |
129 #endif | |
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130 #ifdef TARGET_ARCH_arm |
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131 # include "c2_globals_arm.hpp" |
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132 #endif |
1972 | 133 #ifdef TARGET_OS_FAMILY_linux |
134 # include "c2_globals_linux.hpp" | |
135 #endif | |
136 #ifdef TARGET_OS_FAMILY_solaris | |
137 # include "c2_globals_solaris.hpp" | |
138 #endif | |
139 #ifdef TARGET_OS_FAMILY_windows | |
140 # include "c2_globals_windows.hpp" | |
141 #endif | |
3960 | 142 #ifdef TARGET_OS_FAMILY_bsd |
143 # include "c2_globals_bsd.hpp" | |
144 #endif | |
1972 | 145 #endif |
146 #ifdef SHARK | |
147 #ifdef TARGET_ARCH_zero | |
148 # include "shark_globals_zero.hpp" | |
149 #endif | |
150 #endif | |
151 | |
1692 | 152 #if !defined(COMPILER1) && !defined(COMPILER2) && !defined(SHARK) |
0 | 153 define_pd_global(bool, BackgroundCompilation, false); |
154 define_pd_global(bool, UseTLAB, false); | |
155 define_pd_global(bool, CICompileOSR, false); | |
156 define_pd_global(bool, UseTypeProfile, false); | |
157 define_pd_global(bool, UseOnStackReplacement, false); | |
158 define_pd_global(bool, InlineIntrinsics, false); | |
159 define_pd_global(bool, PreferInterpreterNativeStubs, true); | |
160 define_pd_global(bool, ProfileInterpreter, false); | |
161 define_pd_global(bool, ProfileTraps, false); | |
162 define_pd_global(bool, TieredCompilation, false); | |
163 | |
164 define_pd_global(intx, CompileThreshold, 0); | |
165 define_pd_global(intx, BackEdgeThreshold, 0); | |
166 | |
167 define_pd_global(intx, OnStackReplacePercentage, 0); | |
168 define_pd_global(bool, ResizeTLAB, false); | |
169 define_pd_global(intx, FreqInlineSize, 0); | |
1064 | 170 define_pd_global(intx, InlineSmallCode, 0); |
0 | 171 define_pd_global(intx, NewSizeThreadIncrease, 4*K); |
172 define_pd_global(intx, InlineClassNatives, true); | |
173 define_pd_global(intx, InlineUnsafeOps, true); | |
174 define_pd_global(intx, InitialCodeCacheSize, 160*K); | |
175 define_pd_global(intx, ReservedCodeCacheSize, 32*M); | |
176 define_pd_global(intx, CodeCacheExpansionSize, 32*K); | |
177 define_pd_global(intx, CodeCacheMinBlockLength, 1); | |
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178 define_pd_global(intx, CodeCacheMinimumUseSpace, 200*K); |
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179 define_pd_global(uintx,MetaspaceSize, ScaleForWordSize(4*M)); |
0 | 180 define_pd_global(bool, NeverActAsServerClassMachine, true); |
1064 | 181 define_pd_global(uint64_t,MaxRAM, 1ULL*G); |
0 | 182 #define CI_COMPILER_COUNT 0 |
183 #else | |
184 | |
185 #ifdef COMPILER2 | |
186 #define CI_COMPILER_COUNT 2 | |
187 #else | |
188 #define CI_COMPILER_COUNT 1 | |
189 #endif // COMPILER2 | |
190 | |
191 #endif // no compilers | |
192 | |
193 // string type aliases used only in this file | |
194 typedef const char* ccstr; | |
195 typedef const char* ccstrlist; // represents string arguments which accumulate | |
196 | |
197 enum FlagValueOrigin { | |
198 DEFAULT = 0, | |
199 COMMAND_LINE = 1, | |
200 ENVIRON_VAR = 2, | |
201 CONFIG_FILE = 3, | |
202 MANAGEMENT = 4, | |
203 ERGONOMIC = 5, | |
204 ATTACH_ON_DEMAND = 6, | |
205 INTERNAL = 99 | |
206 }; | |
207 | |
208 struct Flag { | |
209 const char *type; | |
210 const char *name; | |
211 void* addr; | |
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212 |
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213 NOT_PRODUCT(const char *doc;) |
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214 |
0 | 215 const char *kind; |
216 FlagValueOrigin origin; | |
217 | |
218 // points to all Flags static array | |
219 static Flag *flags; | |
220 | |
221 // number of flags | |
222 static size_t numFlags; | |
223 | |
11070 | 224 static Flag* find_flag(const char* name, size_t length, bool allow_locked = false); |
225 static Flag* fuzzy_match(const char* name, size_t length, bool allow_locked = false); | |
0 | 226 |
227 bool is_bool() const { return strcmp(type, "bool") == 0; } | |
228 bool get_bool() const { return *((bool*) addr); } | |
229 void set_bool(bool value) { *((bool*) addr) = value; } | |
230 | |
231 bool is_intx() const { return strcmp(type, "intx") == 0; } | |
232 intx get_intx() const { return *((intx*) addr); } | |
233 void set_intx(intx value) { *((intx*) addr) = value; } | |
234 | |
235 bool is_uintx() const { return strcmp(type, "uintx") == 0; } | |
236 uintx get_uintx() const { return *((uintx*) addr); } | |
237 void set_uintx(uintx value) { *((uintx*) addr) = value; } | |
238 | |
1064 | 239 bool is_uint64_t() const { return strcmp(type, "uint64_t") == 0; } |
240 uint64_t get_uint64_t() const { return *((uint64_t*) addr); } | |
241 void set_uint64_t(uint64_t value) { *((uint64_t*) addr) = value; } | |
242 | |
0 | 243 bool is_double() const { return strcmp(type, "double") == 0; } |
244 double get_double() const { return *((double*) addr); } | |
245 void set_double(double value) { *((double*) addr) = value; } | |
246 | |
247 bool is_ccstr() const { return strcmp(type, "ccstr") == 0 || strcmp(type, "ccstrlist") == 0; } | |
248 bool ccstr_accumulates() const { return strcmp(type, "ccstrlist") == 0; } | |
249 ccstr get_ccstr() const { return *((ccstr*) addr); } | |
250 void set_ccstr(ccstr value) { *((ccstr*) addr) = value; } | |
251 | |
252 bool is_unlocker() const; | |
253 bool is_unlocked() const; | |
254 bool is_writeable() const; | |
255 bool is_external() const; | |
256 | |
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257 bool is_unlocker_ext() const; |
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258 bool is_unlocked_ext() const; |
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259 bool is_writeable_ext() const; |
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260 bool is_external_ext() const; |
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261 |
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262 void get_locked_message(char*, int) const; |
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263 void get_locked_message_ext(char*, int) const; |
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264 |
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265 void print_on(outputStream* st, bool withComments = false ); |
0 | 266 void print_as_flag(outputStream* st); |
267 }; | |
268 | |
269 // debug flags control various aspects of the VM and are global accessible | |
270 | |
271 // use FlagSetting to temporarily change some debug flag | |
272 // e.g. FlagSetting fs(DebugThisAndThat, true); | |
273 // restored to previous value upon leaving scope | |
274 class FlagSetting { | |
275 bool val; | |
276 bool* flag; | |
277 public: | |
278 FlagSetting(bool& fl, bool newValue) { flag = &fl; val = fl; fl = newValue; } | |
279 ~FlagSetting() { *flag = val; } | |
280 }; | |
281 | |
282 | |
283 class CounterSetting { | |
284 intx* counter; | |
285 public: | |
286 CounterSetting(intx* cnt) { counter = cnt; (*counter)++; } | |
287 ~CounterSetting() { (*counter)--; } | |
288 }; | |
289 | |
290 | |
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291 class UIntFlagSetting { |
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292 uintx val; |
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293 uintx* flag; |
0 | 294 public: |
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295 UIntFlagSetting(uintx& fl, uintx newValue) { flag = &fl; val = fl; fl = newValue; } |
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296 ~UIntFlagSetting() { *flag = val; } |
0 | 297 }; |
298 | |
299 | |
300 class DoubleFlagSetting { | |
301 double val; | |
302 double* flag; | |
303 public: | |
304 DoubleFlagSetting(double& fl, double newValue) { flag = &fl; val = fl; fl = newValue; } | |
305 ~DoubleFlagSetting() { *flag = val; } | |
306 }; | |
307 | |
308 | |
309 class CommandLineFlags { | |
310 public: | |
311 static bool boolAt(char* name, size_t len, bool* value); | |
312 static bool boolAt(char* name, bool* value) { return boolAt(name, strlen(name), value); } | |
313 static bool boolAtPut(char* name, size_t len, bool* value, FlagValueOrigin origin); | |
314 static bool boolAtPut(char* name, bool* value, FlagValueOrigin origin) { return boolAtPut(name, strlen(name), value, origin); } | |
315 | |
316 static bool intxAt(char* name, size_t len, intx* value); | |
317 static bool intxAt(char* name, intx* value) { return intxAt(name, strlen(name), value); } | |
318 static bool intxAtPut(char* name, size_t len, intx* value, FlagValueOrigin origin); | |
319 static bool intxAtPut(char* name, intx* value, FlagValueOrigin origin) { return intxAtPut(name, strlen(name), value, origin); } | |
320 | |
321 static bool uintxAt(char* name, size_t len, uintx* value); | |
322 static bool uintxAt(char* name, uintx* value) { return uintxAt(name, strlen(name), value); } | |
323 static bool uintxAtPut(char* name, size_t len, uintx* value, FlagValueOrigin origin); | |
324 static bool uintxAtPut(char* name, uintx* value, FlagValueOrigin origin) { return uintxAtPut(name, strlen(name), value, origin); } | |
325 | |
1064 | 326 static bool uint64_tAt(char* name, size_t len, uint64_t* value); |
327 static bool uint64_tAt(char* name, uint64_t* value) { return uint64_tAt(name, strlen(name), value); } | |
328 static bool uint64_tAtPut(char* name, size_t len, uint64_t* value, FlagValueOrigin origin); | |
329 static bool uint64_tAtPut(char* name, uint64_t* value, FlagValueOrigin origin) { return uint64_tAtPut(name, strlen(name), value, origin); } | |
330 | |
0 | 331 static bool doubleAt(char* name, size_t len, double* value); |
332 static bool doubleAt(char* name, double* value) { return doubleAt(name, strlen(name), value); } | |
333 static bool doubleAtPut(char* name, size_t len, double* value, FlagValueOrigin origin); | |
334 static bool doubleAtPut(char* name, double* value, FlagValueOrigin origin) { return doubleAtPut(name, strlen(name), value, origin); } | |
335 | |
336 static bool ccstrAt(char* name, size_t len, ccstr* value); | |
337 static bool ccstrAt(char* name, ccstr* value) { return ccstrAt(name, strlen(name), value); } | |
338 static bool ccstrAtPut(char* name, size_t len, ccstr* value, FlagValueOrigin origin); | |
339 static bool ccstrAtPut(char* name, ccstr* value, FlagValueOrigin origin) { return ccstrAtPut(name, strlen(name), value, origin); } | |
340 | |
341 // Returns false if name is not a command line flag. | |
342 static bool wasSetOnCmdline(const char* name, bool* value); | |
4773 | 343 static void printSetFlags(outputStream* out); |
0 | 344 |
4773 | 345 static void printFlags(outputStream* out, bool withComments); |
0 | 346 |
347 static void verify() PRODUCT_RETURN; | |
348 }; | |
349 | |
350 // use this for flags that are true by default in the debug version but | |
351 // false in the optimized version, and vice versa | |
352 #ifdef ASSERT | |
353 #define trueInDebug true | |
354 #define falseInDebug false | |
355 #else | |
356 #define trueInDebug false | |
357 #define falseInDebug true | |
358 #endif | |
359 | |
360 // use this for flags that are true per default in the product build | |
361 // but false in development builds, and vice versa | |
362 #ifdef PRODUCT | |
363 #define trueInProduct true | |
364 #define falseInProduct false | |
365 #else | |
366 #define trueInProduct false | |
367 #define falseInProduct true | |
368 #endif | |
369 | |
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370 #ifdef JAVASE_EMBEDDED |
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371 #define falseInEmbedded false |
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372 #else |
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373 #define falseInEmbedded true |
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374 #endif |
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375 |
0 | 376 // develop flags are settable / visible only during development and are constant in the PRODUCT version |
377 // product flags are always settable / visible | |
378 // notproduct flags are settable / visible only during development and are not declared in the PRODUCT version | |
379 | |
380 // A flag must be declared with one of the following types: | |
381 // bool, intx, uintx, ccstr. | |
382 // The type "ccstr" is an alias for "const char*" and is used | |
383 // only in this file, because the macrology requires single-token type names. | |
384 | |
385 // Note: Diagnostic options not meant for VM tuning or for product modes. | |
386 // They are to be used for VM quality assurance or field diagnosis | |
387 // of VM bugs. They are hidden so that users will not be encouraged to | |
388 // try them as if they were VM ordinary execution options. However, they | |
389 // are available in the product version of the VM. Under instruction | |
390 // from support engineers, VM customers can turn them on to collect | |
391 // diagnostic information about VM problems. To use a VM diagnostic | |
392 // option, you must first specify +UnlockDiagnosticVMOptions. | |
393 // (This master switch also affects the behavior of -Xprintflags.) | |
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394 // |
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395 // experimental flags are in support of features that are not |
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396 // part of the officially supported product, but are available |
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397 // for experimenting with. They could, for example, be performance |
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398 // features that may not have undergone full or rigorous QA, but which may |
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399 // help performance in some cases and released for experimentation |
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400 // by the community of users and developers. This flag also allows one to |
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401 // be able to build a fully supported product that nonetheless also |
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402 // ships with some unsupported, lightly tested, experimental features. |
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403 // Like the UnlockDiagnosticVMOptions flag above, there is a corresponding |
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404 // UnlockExperimentalVMOptions flag, which allows the control and |
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405 // modification of the experimental flags. |
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406 // |
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407 // Nota bene: neither diagnostic nor experimental options should be used casually, |
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408 // and they are not supported on production loads, except under explicit |
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409 // direction from support engineers. |
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410 // |
0 | 411 // manageable flags are writeable external product flags. |
412 // They are dynamically writeable through the JDK management interface | |
413 // (com.sun.management.HotSpotDiagnosticMXBean API) and also through JConsole. | |
414 // These flags are external exported interface (see CCC). The list of | |
415 // manageable flags can be queried programmatically through the management | |
416 // interface. | |
417 // | |
418 // A flag can be made as "manageable" only if | |
419 // - the flag is defined in a CCC as an external exported interface. | |
420 // - the VM implementation supports dynamic setting of the flag. | |
421 // This implies that the VM must *always* query the flag variable | |
422 // and not reuse state related to the flag state at any given time. | |
423 // - you want the flag to be queried programmatically by the customers. | |
424 // | |
425 // product_rw flags are writeable internal product flags. | |
426 // They are like "manageable" flags but for internal/private use. | |
427 // The list of product_rw flags are internal/private flags which | |
428 // may be changed/removed in a future release. It can be set | |
429 // through the management interface to get/set value | |
430 // when the name of flag is supplied. | |
431 // | |
432 // A flag can be made as "product_rw" only if | |
433 // - the VM implementation supports dynamic setting of the flag. | |
434 // This implies that the VM must *always* query the flag variable | |
435 // and not reuse state related to the flag state at any given time. | |
436 // | |
437 // Note that when there is a need to support develop flags to be writeable, | |
438 // it can be done in the same way as product_rw. | |
439 | |
350
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440 #define RUNTIME_FLAGS(develop, develop_pd, product, product_pd, diagnostic, experimental, notproduct, manageable, product_rw, lp64_product) \ |
113
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441 \ |
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442 lp64_product(bool, UseCompressedOops, false, \ |
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443 "Use 32-bit object references in 64-bit VM. " \ |
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444 "lp64_product means flag is always constant in 32 bit VM") \ |
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445 \ |
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446 lp64_product(bool, UseCompressedClassPointers, false, \ |
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447 "Use 32-bit class pointers in 64-bit VM. " \ |
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448 "lp64_product means flag is always constant in 32 bit VM") \ |
0 | 449 \ |
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450 notproduct(bool, CheckCompressedOops, true, \ |
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451 "Generate checks in encoding/decoding code in debug VM") \ |
642
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452 \ |
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453 product_pd(uintx, HeapBaseMinAddress, \ |
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454 "OS specific low limit for heap base address") \ |
642
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455 \ |
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456 diagnostic(bool, PrintCompressedOopsMode, false, \ |
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457 "Print compressed oops base address and encoding mode") \ |
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458 \ |
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459 lp64_product(intx, ObjectAlignmentInBytes, 8, \ |
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460 "Default object alignment in bytes, 8 is minimum") \ |
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461 \ |
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462 product(bool, AssumeMP, false, \ |
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463 "Instruct the VM to assume multiple processors are available") \ |
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464 \ |
0 | 465 /* UseMembar is theoretically a temp flag used for memory barrier \ |
466 * removal testing. It was supposed to be removed before FCS but has \ | |
467 * been re-added (see 6401008) */ \ | |
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468 product_pd(bool, UseMembar, \ |
0 | 469 "(Unstable) Issues membars on thread state transitions") \ |
470 \ | |
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471 /* Temp PPC Flag to allow disabling the use of lwsync on ppc platforms \ |
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472 * that don't support it. This will be replaced by processor detection \ |
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473 * logic. \ |
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474 */ \ |
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475 product(bool, UsePPCLWSYNC, true, \ |
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476 "Use lwsync instruction if true, else use slower sync") \ |
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477 \ |
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478 develop(bool, CleanChunkPoolAsync, falseInEmbedded, \ |
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479 "Clean the chunk pool asynchronously") \ |
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480 \ |
6818 | 481 /* Temporary: See 6948537 */ \ |
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482 experimental(bool, UseMemSetInBOT, true, \ |
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483 "(Unstable) uses memset in BOT updates in GC code") \ |
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484 \ |
0 | 485 diagnostic(bool, UnlockDiagnosticVMOptions, trueInDebug, \ |
350
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486 "Enable normal processing of flags relating to field diagnostics")\ |
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487 \ |
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488 experimental(bool, UnlockExperimentalVMOptions, false, \ |
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489 "Enable normal processing of flags relating to experimental " \ |
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490 "features") \ |
0 | 491 \ |
492 product(bool, JavaMonitorsInStackTrace, true, \ | |
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493 "Print information about Java monitor locks when the stacks are" \ |
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494 "dumped") \ |
0 | 495 \ |
496 product_pd(bool, UseLargePages, \ | |
497 "Use large page memory") \ | |
498 \ | |
389
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499 product_pd(bool, UseLargePagesIndividualAllocation, \ |
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500 "Allocate large pages individually for better affinity") \ |
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501 \ |
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502 develop(bool, LargePagesIndividualAllocationInjectError, false, \ |
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503 "Fail large pages individual allocation") \ |
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504 \ |
0 | 505 develop(bool, TracePageSizes, false, \ |
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506 "Trace page size selection and usage") \ |
0 | 507 \ |
508 product(bool, UseNUMA, false, \ | |
509 "Use NUMA if available") \ | |
510 \ | |
3885 | 511 product(bool, UseNUMAInterleaving, false, \ |
512 "Interleave memory across NUMA nodes if available") \ | |
513 \ | |
514 product(uintx, NUMAInterleaveGranularity, 2*M, \ | |
515 "Granularity to use for NUMA interleaving on Windows OS") \ | |
516 \ | |
462
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517 product(bool, ForceNUMA, false, \ |
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518 "Force NUMA optimizations on single-node/UMA systems") \ |
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519 \ |
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520 product(uintx, NUMAChunkResizeWeight, 20, \ |
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521 "Percentage (0-100) used to weigh the current sample when " \ |
0 | 522 "computing exponentially decaying average for " \ |
523 "AdaptiveNUMAChunkSizing") \ | |
524 \ | |
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525 product(uintx, NUMASpaceResizeRate, 1*G, \ |
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526 "Do not reallocate more than this amount per collection") \ |
0 | 527 \ |
528 product(bool, UseAdaptiveNUMAChunkSizing, true, \ | |
529 "Enable adaptive chunk sizing for NUMA") \ | |
530 \ | |
531 product(bool, NUMAStats, false, \ | |
532 "Print NUMA stats in detailed heap information") \ | |
533 \ | |
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534 product(uintx, NUMAPageScanRate, 256, \ |
0 | 535 "Maximum number of pages to include in the page scan procedure") \ |
536 \ | |
537 product_pd(bool, NeedsDeoptSuspend, \ | |
538 "True for register window machines (sparc/ia64)") \ | |
539 \ | |
540 product(intx, UseSSE, 99, \ | |
541 "Highest supported SSE instructions set on x86/x64") \ | |
542 \ | |
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543 product(bool, UseAES, false, \ |
6894 | 544 "Control whether AES instructions can be used on x86/x64") \ |
545 \ | |
0 | 546 product(uintx, LargePageSizeInBytes, 0, \ |
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547 "Large page size (0 to let VM choose the page size)") \ |
0 | 548 \ |
549 product(uintx, LargePageHeapSizeThreshold, 128*M, \ | |
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550 "Use large pages if maximum heap is at least this big") \ |
0 | 551 \ |
552 product(bool, ForceTimeHighResolution, false, \ | |
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553 "Using high time resolution (for Win32 only)") \ |
0 | 554 \ |
555 develop(bool, TraceItables, false, \ | |
556 "Trace initialization and use of itables") \ | |
557 \ | |
558 develop(bool, TracePcPatching, false, \ | |
559 "Trace usage of frame::patch_pc") \ | |
560 \ | |
561 develop(bool, TraceJumps, false, \ | |
562 "Trace assembly jumps in thread ring buffer") \ | |
563 \ | |
564 develop(bool, TraceRelocator, false, \ | |
565 "Trace the bytecode relocator") \ | |
566 \ | |
567 develop(bool, TraceLongCompiles, false, \ | |
568 "Print out every time compilation is longer than " \ | |
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569 "a given threshold") \ |
0 | 570 \ |
571 develop(bool, SafepointALot, false, \ | |
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572 "Generate a lot of safepoints. This works with " \ |
0 | 573 "GuaranteedSafepointInterval") \ |
574 \ | |
575 product_pd(bool, BackgroundCompilation, \ | |
576 "A thread requesting compilation is not blocked during " \ | |
577 "compilation") \ | |
578 \ | |
579 product(bool, PrintVMQWaitTime, false, \ | |
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580 "Print out the waiting time in VM operation queue") \ |
0 | 581 \ |
582 develop(bool, NoYieldsInMicrolock, false, \ | |
583 "Disable yields in microlock") \ | |
584 \ | |
585 develop(bool, TraceOopMapGeneration, false, \ | |
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586 "Show OopMapGeneration") \ |
0 | 587 \ |
588 product(bool, MethodFlushing, true, \ | |
589 "Reclamation of zombie and not-entrant methods") \ | |
590 \ | |
591 develop(bool, VerifyStack, false, \ | |
592 "Verify stack of each thread when it is entering a runtime call") \ | |
593 \ | |
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594 diagnostic(bool, ForceUnreachable, false, \ |
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595 "Make all non code cache addresses to be unreachable by " \ |
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596 "forcing use of 64bit literal fixups") \ |
0 | 597 \ |
598 notproduct(bool, StressDerivedPointers, false, \ | |
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599 "Force scavenge when a derived pointer is detected on stack " \ |
0 | 600 "after rtm call") \ |
601 \ | |
602 develop(bool, TraceDerivedPointers, false, \ | |
603 "Trace traversal of derived pointers on stack") \ | |
604 \ | |
605 notproduct(bool, TraceCodeBlobStacks, false, \ | |
606 "Trace stack-walk of codeblobs") \ | |
607 \ | |
608 product(bool, PrintJNIResolving, false, \ | |
609 "Used to implement -v:jni") \ | |
610 \ | |
611 notproduct(bool, PrintRewrites, false, \ | |
612 "Print methods that are being rewritten") \ | |
613 \ | |
614 product(bool, UseInlineCaches, true, \ | |
615 "Use Inline Caches for virtual calls ") \ | |
616 \ | |
617 develop(bool, InlineArrayCopy, true, \ | |
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618 "Inline arraycopy native that is known to be part of " \ |
0 | 619 "base library DLL") \ |
620 \ | |
621 develop(bool, InlineObjectHash, true, \ | |
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622 "Inline Object::hashCode() native that is known to be part " \ |
0 | 623 "of base library DLL") \ |
624 \ | |
625 develop(bool, InlineNatives, true, \ | |
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626 "Inline natives that are known to be part of base library DLL") \ |
0 | 627 \ |
628 develop(bool, InlineMathNatives, true, \ | |
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629 "Inline SinD, CosD, etc.") \ |
0 | 630 \ |
631 develop(bool, InlineClassNatives, true, \ | |
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632 "Inline Class.isInstance, etc") \ |
0 | 633 \ |
634 develop(bool, InlineThreadNatives, true, \ | |
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635 "Inline Thread.currentThread, etc") \ |
0 | 636 \ |
637 develop(bool, InlineUnsafeOps, true, \ | |
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638 "Inline memory ops (native methods) from sun.misc.Unsafe") \ |
0 | 639 \ |
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640 product(bool, CriticalJNINatives, true, \ |
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641 "Check for critical JNI entry points") \ |
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642 \ |
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643 notproduct(bool, StressCriticalJNINatives, false, \ |
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644 "Exercise register saving code in critical natives") \ |
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645 \ |
681 | 646 product(bool, UseSSE42Intrinsics, false, \ |
647 "SSE4.2 versions of intrinsics") \ | |
648 \ | |
6894 | 649 product(bool, UseAESIntrinsics, false, \ |
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650 "Use intrinsics for AES versions of crypto") \ |
6894 | 651 \ |
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652 product(bool, UseCRC32Intrinsics, false, \ |
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653 "use intrinsics for java.util.zip.CRC32") \ |
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654 \ |
0 | 655 develop(bool, TraceCallFixup, false, \ |
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656 "Trace all call fixups") \ |
0 | 657 \ |
658 develop(bool, DeoptimizeALot, false, \ | |
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659 "Deoptimize at every exit from the runtime system") \ |
0 | 660 \ |
434 | 661 notproduct(ccstrlist, DeoptimizeOnlyAt, "", \ |
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662 "A comma separated list of bcis to deoptimize at") \ |
0 | 663 \ |
664 product(bool, DeoptimizeRandom, false, \ | |
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665 "Deoptimize random frames on random exit from the runtime system")\ |
0 | 666 \ |
667 notproduct(bool, ZombieALot, false, \ | |
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668 "Create zombies (non-entrant) at exit from the runtime system") \ |
0 | 669 \ |
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670 product(bool, UnlinkSymbolsALot, false, \ |
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671 "Unlink unreferenced symbols from the symbol table at safepoints")\ |
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672 \ |
0 | 673 notproduct(bool, WalkStackALot, false, \ |
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674 "Trace stack (no print) at every exit from the runtime system") \ |
0 | 675 \ |
4006 | 676 product(bool, Debugging, false, \ |
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677 "Set when executing debug methods in debug.cpp " \ |
0 | 678 "(to prevent triggering assertions)") \ |
679 \ | |
680 notproduct(bool, StrictSafepointChecks, trueInDebug, \ | |
681 "Enable strict checks that safepoints cannot happen for threads " \ | |
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682 "that use No_Safepoint_Verifier") \ |
0 | 683 \ |
684 notproduct(bool, VerifyLastFrame, false, \ | |
685 "Verify oops on last frame on entry to VM") \ | |
686 \ | |
687 develop(bool, TraceHandleAllocation, false, \ | |
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688 "Print out warnings when suspiciously many handles are allocated")\ |
0 | 689 \ |
690 product(bool, UseCompilerSafepoints, true, \ | |
691 "Stop at safepoints in compiled code") \ | |
692 \ | |
693 product(bool, FailOverToOldVerifier, true, \ | |
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694 "Fail over to old verifier when split verifier fails") \ |
0 | 695 \ |
696 develop(bool, ShowSafepointMsgs, false, \ | |
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697 "Show message about safepoint synchronization") \ |
0 | 698 \ |
699 product(bool, SafepointTimeout, false, \ | |
700 "Time out and warn or fail after SafepointTimeoutDelay " \ | |
701 "milliseconds if failed to reach safepoint") \ | |
702 \ | |
703 develop(bool, DieOnSafepointTimeout, false, \ | |
704 "Die upon failure to reach safepoint (see SafepointTimeout)") \ | |
705 \ | |
706 /* 50 retries * (5 * current_retry_count) millis = ~6.375 seconds */ \ | |
707 /* typically, at most a few retries are needed */ \ | |
708 product(intx, SuspendRetryCount, 50, \ | |
709 "Maximum retry count for an external suspend request") \ | |
710 \ | |
711 product(intx, SuspendRetryDelay, 5, \ | |
712 "Milliseconds to delay per retry (* current_retry_count)") \ | |
713 \ | |
714 product(bool, AssertOnSuspendWaitFailure, false, \ | |
715 "Assert/Guarantee on external suspend wait failure") \ | |
716 \ | |
717 product(bool, TraceSuspendWaitFailures, false, \ | |
718 "Trace external suspend wait failures") \ | |
719 \ | |
720 product(bool, MaxFDLimit, true, \ | |
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721 "Bump the number of file descriptors to maximum in Solaris") \ |
0 | 722 \ |
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723 diagnostic(bool, LogEvents, true, \ |
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724 "Enable the various ring buffer event logs") \ |
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725 \ |
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726 diagnostic(uintx, LogEventsBufferEntries, 10, \ |
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727 "Number of ring buffer event logs") \ |
0 | 728 \ |
729 product(bool, BytecodeVerificationRemote, true, \ | |
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730 "Enable the Java bytecode verifier for remote classes") \ |
0 | 731 \ |
732 product(bool, BytecodeVerificationLocal, false, \ | |
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733 "Enable the Java bytecode verifier for local classes") \ |
0 | 734 \ |
735 develop(bool, ForceFloatExceptions, trueInDebug, \ | |
736 "Force exceptions on FP stack under/overflow") \ | |
737 \ | |
738 develop(bool, VerifyStackAtCalls, false, \ | |
739 "Verify that the stack pointer is unchanged after calls") \ | |
740 \ | |
741 develop(bool, TraceJavaAssertions, false, \ | |
742 "Trace java language assertions") \ | |
743 \ | |
744 notproduct(bool, CheckAssertionStatusDirectives, false, \ | |
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745 "Temporary - see javaClasses.cpp") \ |
0 | 746 \ |
747 notproduct(bool, PrintMallocFree, false, \ | |
748 "Trace calls to C heap malloc/free allocation") \ | |
749 \ | |
1681
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750 product(bool, PrintOopAddress, false, \ |
0 | 751 "Always print the location of the oop") \ |
752 \ | |
753 notproduct(bool, VerifyCodeCacheOften, false, \ | |
754 "Verify compiled-code cache often") \ | |
755 \ | |
756 develop(bool, ZapDeadCompiledLocals, false, \ | |
757 "Zap dead locals in compiler frames") \ | |
758 \ | |
759 notproduct(bool, ZapDeadLocalsOld, false, \ | |
760 "Zap dead locals (old version, zaps all frames when " \ | |
761 "entering the VM") \ | |
762 \ | |
763 notproduct(bool, CheckOopishValues, false, \ | |
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764 "Warn if value contains oop (requires ZapDeadLocals)") \ |
0 | 765 \ |
766 develop(bool, UseMallocOnly, false, \ | |
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767 "Use only malloc/free for allocation (no resource area/arena)") \ |
0 | 768 \ |
769 develop(bool, PrintMalloc, false, \ | |
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770 "Print all malloc/free calls") \ |
0 | 771 \ |
2250 | 772 develop(bool, PrintMallocStatistics, false, \ |
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773 "Print malloc/free statistics") \ |
2250 | 774 \ |
0 | 775 develop(bool, ZapResourceArea, trueInDebug, \ |
776 "Zap freed resource/arena space with 0xABABABAB") \ | |
777 \ | |
778 notproduct(bool, ZapVMHandleArea, trueInDebug, \ | |
779 "Zap freed VM handle space with 0xBCBCBCBC") \ | |
780 \ | |
781 develop(bool, ZapJNIHandleArea, trueInDebug, \ | |
782 "Zap freed JNI handle space with 0xFEFEFEFE") \ | |
783 \ | |
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784 notproduct(bool, ZapStackSegments, trueInDebug, \ |
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785 "Zap allocated/freed stack segments with 0xFADFADED") \ |
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786 \ |
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787 develop(bool, ZapUnusedHeapArea, trueInDebug, \ |
0 | 788 "Zap unused heap space with 0xBAADBABE") \ |
789 \ | |
263
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790 develop(bool, TraceZapUnusedHeapArea, false, \ |
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791 "Trace zapping of unused heap space") \ |
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792 \ |
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793 develop(bool, CheckZapUnusedHeapArea, false, \ |
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794 "Check zapping of unused heap space") \ |
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795 \ |
481
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|
796 develop(bool, ZapFillerObjects, trueInDebug, \ |
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797 "Zap filler objects with 0xDEAFBABE") \ |
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|
798 \ |
0 | 799 develop(bool, PrintVMMessages, true, \ |
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800 "Print VM messages on console") \ |
0 | 801 \ |
802 product(bool, PrintGCApplicationConcurrentTime, false, \ | |
803 "Print the time the application has been running") \ | |
804 \ | |
805 product(bool, PrintGCApplicationStoppedTime, false, \ | |
806 "Print the time the application has been stopped") \ | |
807 \ | |
6605 | 808 diagnostic(bool, VerboseVerification, false, \ |
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809 "Display detailed verification details") \ |
6605 | 810 \ |
1490
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|
811 notproduct(uintx, ErrorHandlerTest, 0, \ |
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812 "If > 0, provokes an error after VM initialization; the value " \ |
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813 "determines which error to provoke. See test_error_handler() " \ |
1490
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814 "in debug.cpp.") \ |
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815 \ |
0 | 816 develop(bool, Verbose, false, \ |
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817 "Print additional debugging information from other modes") \ |
0 | 818 \ |
819 develop(bool, PrintMiscellaneous, false, \ | |
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820 "Print uncategorized debugging information (requires +Verbose)") \ |
0 | 821 \ |
822 develop(bool, WizardMode, false, \ | |
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823 "Print much more debugging information") \ |
0 | 824 \ |
825 product(bool, ShowMessageBoxOnError, false, \ | |
826 "Keep process alive on VM fatal error") \ | |
827 \ | |
2204
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|
828 product(bool, CreateMinidumpOnCrash, false, \ |
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|
829 "Create minidump on VM fatal error") \ |
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|
830 \ |
0 | 831 product_pd(bool, UseOSErrorReporting, \ |
832 "Let VM fatal error propagate to the OS (ie. WER on Windows)") \ | |
833 \ | |
834 product(bool, SuppressFatalErrorMessage, false, \ | |
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835 "Report NO fatal error message (avoid deadlock)") \ |
0 | 836 \ |
837 product(ccstrlist, OnError, "", \ | |
838 "Run user-defined commands on fatal error; see VMError.cpp " \ | |
839 "for examples") \ | |
840 \ | |
841 product(ccstrlist, OnOutOfMemoryError, "", \ | |
842 "Run user-defined commands on first java.lang.OutOfMemoryError") \ | |
843 \ | |
615
c6c601a0f2d6
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|
844 manageable(bool, HeapDumpBeforeFullGC, false, \ |
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845 "Dump heap to file before any major stop-the-world GC") \ |
615
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|
846 \ |
c6c601a0f2d6
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|
847 manageable(bool, HeapDumpAfterFullGC, false, \ |
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848 "Dump heap to file after any major stop-the-world GC") \ |
615
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|
849 \ |
0 | 850 manageable(bool, HeapDumpOnOutOfMemoryError, false, \ |
851 "Dump heap to file when java.lang.OutOfMemoryError is thrown") \ | |
852 \ | |
853 manageable(ccstr, HeapDumpPath, NULL, \ | |
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854 "When HeapDumpOnOutOfMemoryError is on, the path (filename or " \ |
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855 "directory) of the dump file (defaults to java_pid<pid>.hprof " \ |
0 | 856 "in the working directory)") \ |
857 \ | |
858 develop(uintx, SegmentedHeapDumpThreshold, 2*G, \ | |
859 "Generate a segmented heap dump (JAVA PROFILE 1.0.2 format) " \ | |
860 "when the heap usage is larger than this") \ | |
861 \ | |
862 develop(uintx, HeapDumpSegmentSize, 1*G, \ | |
863 "Approximate segment size when generating a segmented heap dump") \ | |
864 \ | |
865 develop(bool, BreakAtWarning, false, \ | |
866 "Execute breakpoint upon encountering VM warning") \ | |
867 \ | |
868 develop(bool, TraceVMOperation, false, \ | |
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869 "Trace VM operations") \ |
0 | 870 \ |
871 develop(bool, UseFakeTimers, false, \ | |
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872 "Tell whether the VM should use system time or a fake timer") \ |
0 | 873 \ |
6197 | 874 product(ccstr, NativeMemoryTracking, "off", \ |
875 "Native memory tracking options") \ | |
876 \ | |
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877 diagnostic(bool, PrintNMTStatistics, false, \ |
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878 "Print native memory tracking summary data if it is on") \ |
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879 \ |
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880 diagnostic(bool, AutoShutdownNMT, true, \ |
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881 "Automatically shutdown native memory tracking under stress " \ |
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882 "situations. When set to false, native memory tracking tries to " \ |
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883 "stay alive at the expense of JVM performance") \ |
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884 \ |
0 | 885 diagnostic(bool, LogCompilation, false, \ |
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886 "Log compilation activity in detail to LogFile") \ |
0 | 887 \ |
888 product(bool, PrintCompilation, false, \ | |
889 "Print compilations") \ | |
890 \ | |
891 diagnostic(bool, TraceNMethodInstalls, false, \ | |
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892 "Trace nmethod installation") \ |
0 | 893 \ |
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894 diagnostic(intx, ScavengeRootsInCode, 2, \ |
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895 "0: do not allow scavengable oops in the code cache; " \ |
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896 "1: allow scavenging from the code cache; " \ |
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897 "2: emit as many constants as the compiler can see") \ |
989
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898 \ |
0 | 899 product(bool, AlwaysRestoreFPU, false, \ |
900 "Restore the FPU control word after every JNI call (expensive)") \ | |
901 \ | |
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902 diagnostic(bool, PrintCompilation2, false, \ |
0 | 903 "Print additional statistics per compilation") \ |
904 \ | |
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905 diagnostic(bool, PrintAdapterHandlers, false, \ |
0 | 906 "Print code generated for i2c/c2i adapters") \ |
907 \ | |
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908 diagnostic(bool, VerifyAdapterCalls, trueInDebug, \ |
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909 "Verify that i2c/c2i adapters are called properly") \ |
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910 \ |
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911 develop(bool, VerifyAdapterSharing, false, \ |
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912 "Verify that the code for shared adapters is the equivalent") \ |
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913 \ |
100
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914 diagnostic(bool, PrintAssembly, false, \ |
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915 "Print assembly code (using external disassembler.so)") \ |
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916 \ |
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917 diagnostic(ccstr, PrintAssemblyOptions, NULL, \ |
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918 "Print options string passed to disassembler.so") \ |
100
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919 \ |
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920 diagnostic(bool, PrintNMethods, false, \ |
0 | 921 "Print assembly code for nmethods when generated") \ |
922 \ | |
100
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923 diagnostic(bool, PrintNativeNMethods, false, \ |
0 | 924 "Print assembly code for native nmethods when generated") \ |
925 \ | |
926 develop(bool, PrintDebugInfo, false, \ | |
927 "Print debug information for all nmethods when generated") \ | |
928 \ | |
929 develop(bool, PrintRelocations, false, \ | |
930 "Print relocation information for all nmethods when generated") \ | |
931 \ | |
932 develop(bool, PrintDependencies, false, \ | |
933 "Print dependency information for all nmethods when generated") \ | |
934 \ | |
935 develop(bool, PrintExceptionHandlers, false, \ | |
936 "Print exception handler tables for all nmethods when generated") \ | |
937 \ | |
7428
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938 develop(bool, StressCompiledExceptionHandlers, false, \ |
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939 "Exercise compiled exception handlers") \ |
7428
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940 \ |
0 | 941 develop(bool, InterceptOSException, false, \ |
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942 "Start debugger when an implicit OS (e.g. NULL) " \ |
0 | 943 "exception happens") \ |
944 \ | |
7595
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945 product(bool, PrintCodeCache, false, \ |
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946 "Print the code cache memory usage when exiting") \ |
0 | 947 \ |
948 develop(bool, PrintCodeCache2, false, \ | |
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949 "Print detailed usage information on the code cache when exiting")\ |
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950 \ |
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951 product(bool, PrintCodeCacheOnCompilation, false, \ |
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952 "Print the code cache memory usage each time a method is " \ |
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953 "compiled") \ |
0 | 954 \ |
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955 diagnostic(bool, PrintStubCode, false, \ |
0 | 956 "Print generated stub code") \ |
957 \ | |
958 product(bool, StackTraceInThrowable, true, \ | |
959 "Collect backtrace in throwable when exception happens") \ | |
960 \ | |
961 product(bool, OmitStackTraceInFastThrow, true, \ | |
962 "Omit backtraces for some 'hot' exceptions in optimized code") \ | |
963 \ | |
964 product(bool, ProfilerPrintByteCodeStatistics, false, \ | |
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965 "Print bytecode statistics when dumping profiler output") \ |
0 | 966 \ |
967 product(bool, ProfilerRecordPC, false, \ | |
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968 "Collect ticks for each 16 byte interval of compiled code") \ |
0 | 969 \ |
1064 | 970 product(bool, ProfileVM, false, \ |
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971 "Profile ticks that fall within VM (either in the VM Thread " \ |
0 | 972 "or VM code called through stubs)") \ |
973 \ | |
974 product(bool, ProfileIntervals, false, \ | |
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975 "Print profiles for each interval (see ProfileIntervalsTicks)") \ |
0 | 976 \ |
977 notproduct(bool, ProfilerCheckIntervals, false, \ | |
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978 "Collect and print information on spacing of profiler ticks") \ |
0 | 979 \ |
980 develop(bool, PrintJVMWarnings, false, \ | |
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981 "Print warnings for unimplemented JVM functions") \ |
0 | 982 \ |
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983 product(bool, PrintWarnings, true, \ |
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984 "Print JVM warnings to output stream") \ |
1870
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985 \ |
0 | 986 notproduct(uintx, WarnOnStalledSpinLock, 0, \ |
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987 "Print warnings for stalled SpinLocks") \ |
0 | 988 \ |
989 product(bool, RegisterFinalizersAtInit, true, \ | |
990 "Register finalizable objects at end of Object.<init> or " \ | |
1064 | 991 "after allocation") \ |
0 | 992 \ |
993 develop(bool, RegisterReferences, true, \ | |
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994 "Tell whether the VM should register soft/weak/final/phantom " \ |
0 | 995 "references") \ |
996 \ | |
997 develop(bool, IgnoreRewrites, false, \ | |
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998 "Suppress rewrites of bytecodes in the oopmap generator. " \ |
0 | 999 "This is unsafe!") \ |
1000 \ | |
1001 develop(bool, PrintCodeCacheExtension, false, \ | |
1002 "Print extension of code cache") \ | |
1003 \ | |
1004 develop(bool, UsePrivilegedStack, true, \ | |
1005 "Enable the security JVM functions") \ | |
1006 \ | |
1007 develop(bool, ProtectionDomainVerification, true, \ | |
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1008 "Verify protection domain before resolution in system dictionary")\ |
0 | 1009 \ |
1010 product(bool, ClassUnloading, true, \ | |
1011 "Do unloading of classes") \ | |
1012 \ | |
1013 develop(bool, DisableStartThread, false, \ | |
1014 "Disable starting of additional Java threads " \ | |
1015 "(for debugging only)") \ | |
1016 \ | |
1017 develop(bool, MemProfiling, false, \ | |
1018 "Write memory usage profiling to log file") \ | |
1019 \ | |
1020 notproduct(bool, PrintSystemDictionaryAtExit, false, \ | |
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1021 "Print the system dictionary at exit") \ |
0 | 1022 \ |
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1023 experimental(intx, PredictedLoadedClassCount, 0, \ |
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1024 "Experimental: Tune loaded class cache starting size") \ |
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1025 \ |
0 | 1026 diagnostic(bool, UnsyncloadClass, false, \ |
514 | 1027 "Unstable: VM calls loadClass unsynchronized. Custom " \ |
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1028 "class loader must call VM synchronized for findClass " \ |
514 | 1029 "and defineClass.") \ |
1030 \ | |
1031 product(bool, AlwaysLockClassLoader, false, \ | |
1032 "Require the VM to acquire the class loader lock before calling " \ | |
1033 "loadClass() even for class loaders registering " \ | |
1064 | 1034 "as parallel capable") \ |
514 | 1035 \ |
1036 product(bool, AllowParallelDefineClass, false, \ | |
1037 "Allow parallel defineClass requests for class loaders " \ | |
1064 | 1038 "registering as parallel capable") \ |
514 | 1039 \ |
1040 product(bool, MustCallLoadClassInternal, false, \ | |
1064 | 1041 "Call loadClassInternal() rather than loadClass()") \ |
0 | 1042 \ |
1043 product_pd(bool, DontYieldALot, \ | |
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1044 "Throw away obvious excess yield calls (for Solaris only)") \ |
0 | 1045 \ |
1046 product_pd(bool, ConvertSleepToYield, \ | |
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1047 "Convert sleep(0) to thread yield " \ |
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1048 "(may be off for Solaris to improve GUI)") \ |
0 | 1049 \ |
1050 product(bool, ConvertYieldToSleep, false, \ | |
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1051 "Convert yield to a sleep of MinSleepInterval to simulate Win32 " \ |
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1052 "behavior (Solaris only)") \ |
0 | 1053 \ |
1054 product(bool, UseBoundThreads, true, \ | |
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1055 "Bind user level threads to kernel threads (for Solaris only)") \ |
0 | 1056 \ |
1057 develop(bool, UseDetachedThreads, true, \ | |
1058 "Use detached threads that are recycled upon termination " \ | |
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1059 "(for Solaris only)") \ |
0 | 1060 \ |
1061 product(bool, UseLWPSynchronization, true, \ | |
1062 "Use LWP-based instead of libthread-based synchronization " \ | |
1063 "(SPARC only)") \ | |
1064 \ | |
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1065 product(ccstr, SyncKnobs, NULL, \ |
0 | 1066 "(Unstable) Various monitor synchronization tunables") \ |
1067 \ | |
1068 product(intx, EmitSync, 0, \ | |
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1069 "(Unsafe, Unstable) " \ |
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1070 "Control emission of inline sync fast-path code") \ |
0 | 1071 \ |
1587 | 1072 product(intx, MonitorBound, 0, "Bound Monitor population") \ |
1073 \ | |
1074 product(bool, MonitorInUseLists, false, "Track Monitors for Deflation") \ | |
1075 \ | |
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1076 product(intx, SyncFlags, 0, "(Unsafe, Unstable) Experimental Sync flags") \ |
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1077 \ |
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1078 product(intx, SyncVerbose, 0, "(Unstable)") \ |
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1079 \ |
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1080 product(intx, ClearFPUAtPark, 0, "(Unsafe, Unstable)") \ |
0 | 1081 \ |
7587 | 1082 product(intx, hashCode, 5, \ |
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1083 "(Unstable) select hashCode generation algorithm") \ |
0 | 1084 \ |
1085 product(intx, WorkAroundNPTLTimedWaitHang, 1, \ | |
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1086 "(Unstable, Linux-specific) " \ |
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1087 "avoid NPTL-FUTEX hang pthread_cond_timedwait") \ |
0 | 1088 \ |
1064 | 1089 product(bool, FilterSpuriousWakeups, true, \ |
1090 "Prevent spurious or premature wakeups from object.wait " \ | |
1091 "(Solaris only)") \ | |
0 | 1092 \ |
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1093 product(intx, NativeMonitorTimeout, -1, "(Unstable)") \ |
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1094 \ |
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1095 product(intx, NativeMonitorFlags, 0, "(Unstable)") \ |
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1096 \ |
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1097 product(intx, NativeMonitorSpinLimit, 20, "(Unstable)") \ |
0 | 1098 \ |
1099 develop(bool, UsePthreads, false, \ | |
1100 "Use pthread-based instead of libthread-based synchronization " \ | |
1101 "(SPARC only)") \ | |
1102 \ | |
1103 product(bool, AdjustConcurrency, false, \ | |
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1104 "Call thr_setconcurrency at thread creation time to avoid " \ |
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1105 "LWP starvation on MP systems (for Solaris Only)") \ |
0 | 1106 \ |
1107 product(bool, ReduceSignalUsage, false, \ | |
1108 "Reduce the use of OS signals in Java and/or the VM") \ | |
1109 \ | |
1110 develop_pd(bool, ShareVtableStubs, \ | |
1111 "Share vtable stubs (smaller code but worse branch prediction") \ | |
1112 \ | |
1113 develop(bool, LoadLineNumberTables, true, \ | |
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1114 "Tell whether the class file parser loads line number tables") \ |
0 | 1115 \ |
1116 develop(bool, LoadLocalVariableTables, true, \ | |
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1117 "Tell whether the class file parser loads local variable tables") \ |
0 | 1118 \ |
1119 develop(bool, LoadLocalVariableTypeTables, true, \ | |
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1120 "Tell whether the class file parser loads local variable type" \ |
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1121 "tables") \ |
0 | 1122 \ |
1123 product(bool, AllowUserSignalHandlers, false, \ | |
1124 "Do not complain if the application installs signal handlers " \ | |
1125 "(Solaris & Linux only)") \ | |
1126 \ | |
1127 product(bool, UseSignalChaining, true, \ | |
1128 "Use signal-chaining to invoke signal handlers installed " \ | |
1129 "by the application (Solaris & Linux only)") \ | |
1130 \ | |
1131 product(bool, UseAltSigs, false, \ | |
1132 "Use alternate signals instead of SIGUSR1 & SIGUSR2 for VM " \ | |
1064 | 1133 "internal signals (Solaris only)") \ |
0 | 1134 \ |
1135 product(bool, AllowJNIEnvProxy, false, \ | |
1136 "Allow JNIEnv proxies for jdbx") \ | |
1137 \ | |
1138 product(bool, JNIDetachReleasesMonitors, true, \ | |
1139 "JNI DetachCurrentThread releases monitors owned by thread") \ | |
1140 \ | |
1141 product(bool, RestoreMXCSROnJNICalls, false, \ | |
1142 "Restore MXCSR when returning from JNI calls") \ | |
1143 \ | |
1144 product(bool, CheckJNICalls, false, \ | |
1145 "Verify all arguments to JNI calls") \ | |
1146 \ | |
1147 product(bool, UseFastJNIAccessors, true, \ | |
1148 "Use optimized versions of Get<Primitive>Field") \ | |
1149 \ | |
1150 product(bool, EagerXrunInit, false, \ | |
1151 "Eagerly initialize -Xrun libraries; allows startup profiling, " \ | |
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1152 "but not all -Xrun libraries may support the state of the VM " \ |
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1153 "at this time") \ |
0 | 1154 \ |
1155 product(bool, PreserveAllAnnotations, false, \ | |
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1156 "Preserve RuntimeInvisibleAnnotations as well " \ |
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1157 "as RuntimeVisibleAnnotations") \ |
0 | 1158 \ |
1159 develop(uintx, PreallocatedOutOfMemoryErrorCount, 4, \ | |
1160 "Number of OutOfMemoryErrors preallocated with backtrace") \ | |
1161 \ | |
1162 product(bool, LazyBootClassLoader, true, \ | |
1163 "Enable/disable lazy opening of boot class path entries") \ | |
1164 \ | |
405 | 1165 product(bool, UseXMMForArrayCopy, false, \ |
1166 "Use SSE2 MOVQ instruction for Arraycopy") \ | |
1167 \ | |
0 | 1168 product(intx, FieldsAllocationStyle, 1, \ |
1366
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1169 "0 - type based with oops first, 1 - with oops last, " \ |
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1170 "2 - oops in super and sub classes are together") \ |
0 | 1171 \ |
1172 product(bool, CompactFields, true, \ | |
1173 "Allocate nonstatic fields in gaps between previous fields") \ | |
1174 \ | |
7587 | 1175 notproduct(bool, PrintFieldLayout, false, \ |
1176 "Print field layout for each class") \ | |
1177 \ | |
1178 product(intx, ContendedPaddingWidth, 128, \ | |
1179 "How many bytes to pad the fields/classes marked @Contended with")\ | |
1180 \ | |
1181 product(bool, EnableContended, true, \ | |
1182 "Enable @Contended annotation support") \ | |
1183 \ | |
1184 product(bool, RestrictContended, true, \ | |
1185 "Restrict @Contended to trusted classes") \ | |
1186 \ | |
0 | 1187 product(bool, UseBiasedLocking, true, \ |
1188 "Enable biased locking in JVM") \ | |
1189 \ | |
1190 product(intx, BiasedLockingStartupDelay, 4000, \ | |
1191 "Number of milliseconds to wait before enabling biased locking") \ | |
1192 \ | |
1193 diagnostic(bool, PrintBiasedLockingStatistics, false, \ | |
1194 "Print statistics of biased locking in JVM") \ | |
1195 \ | |
1196 product(intx, BiasedLockingBulkRebiasThreshold, 20, \ | |
1197 "Threshold of number of revocations per type to try to " \ | |
1198 "rebias all objects in the heap of that type") \ | |
1199 \ | |
1200 product(intx, BiasedLockingBulkRevokeThreshold, 40, \ | |
1201 "Threshold of number of revocations per type to permanently " \ | |
1202 "revoke biases of all objects in the heap of that type") \ | |
1203 \ | |
1204 product(intx, BiasedLockingDecayTime, 25000, \ | |
1205 "Decay time (in milliseconds) to re-enable bulk rebiasing of a " \ | |
1206 "type after previous bulk rebias") \ | |
1207 \ | |
1208 /* tracing */ \ | |
1209 \ | |
1210 notproduct(bool, TraceRuntimeCalls, false, \ | |
1211 "Trace run-time calls") \ | |
1212 \ | |
1213 develop(bool, TraceJNICalls, false, \ | |
1214 "Trace JNI calls") \ | |
1215 \ | |
1216 notproduct(bool, TraceJVMCalls, false, \ | |
1217 "Trace JVM calls") \ | |
1218 \ | |
370
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1219 product(ccstr, TraceJVMTI, NULL, \ |
0 | 1220 "Trace flags for JVMTI functions and events") \ |
1221 \ | |
1222 /* This option can change an EMCP method into an obsolete method. */ \ | |
1223 /* This can affect tests that except specific methods to be EMCP. */ \ | |
1224 /* This option should be used with caution. */ \ | |
1225 product(bool, StressLdcRewrite, false, \ | |
1226 "Force ldc -> ldc_w rewrite during RedefineClasses") \ | |
1227 \ | |
1228 product(intx, TraceRedefineClasses, 0, \ | |
1229 "Trace level for JVMTI RedefineClasses") \ | |
1230 \ | |
1574 | 1231 develop(bool, StressMethodComparator, false, \ |
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1232 "Run the MethodComparator on all loaded methods") \ |
1574 | 1233 \ |
0 | 1234 /* change to false by default sometime after Mustang */ \ |
1235 product(bool, VerifyMergedCPBytecodes, true, \ | |
1236 "Verify bytecodes after RedefineClasses constant pool merging") \ | |
1237 \ | |
1238 develop(bool, TraceJNIHandleAllocation, false, \ | |
1239 "Trace allocation/deallocation of JNI handle blocks") \ | |
1240 \ | |
1241 develop(bool, TraceThreadEvents, false, \ | |
1242 "Trace all thread events") \ | |
1243 \ | |
1244 develop(bool, TraceBytecodes, false, \ | |
1245 "Trace bytecode execution") \ | |
1246 \ | |
1247 develop(bool, TraceClassInitialization, false, \ | |
1248 "Trace class initialization") \ | |
1249 \ | |
1250 develop(bool, TraceExceptions, false, \ | |
1251 "Trace exceptions") \ | |
1252 \ | |
1253 develop(bool, TraceICs, false, \ | |
1254 "Trace inline cache changes") \ | |
1255 \ | |
1256 notproduct(bool, TraceInvocationCounterOverflow, false, \ | |
1257 "Trace method invocation counter overflow") \ | |
1258 \ | |
1259 develop(bool, TraceInlineCacheClearing, false, \ | |
1260 "Trace clearing of inline caches in nmethods") \ | |
1261 \ | |
1262 develop(bool, TraceDependencies, false, \ | |
1263 "Trace dependencies") \ | |
1264 \ | |
1265 develop(bool, VerifyDependencies, trueInDebug, \ | |
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1266 "Exercise and verify the compilation dependency mechanism") \ |
0 | 1267 \ |
1268 develop(bool, TraceNewOopMapGeneration, false, \ | |
1269 "Trace OopMapGeneration") \ | |
1270 \ | |
1271 develop(bool, TraceNewOopMapGenerationDetailed, false, \ | |
1272 "Trace OopMapGeneration: print detailed cell states") \ | |
1273 \ | |
1274 develop(bool, TimeOopMap, false, \ | |
1275 "Time calls to GenerateOopMap::compute_map() in sum") \ | |
1276 \ | |
1277 develop(bool, TimeOopMap2, false, \ | |
1278 "Time calls to GenerateOopMap::compute_map() individually") \ | |
1279 \ | |
1280 develop(bool, TraceMonitorMismatch, false, \ | |
1281 "Trace monitor matching failures during OopMapGeneration") \ | |
1282 \ | |
1283 develop(bool, TraceOopMapRewrites, false, \ | |
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1284 "Trace rewriting of method oops during oop map generation") \ |
0 | 1285 \ |
1286 develop(bool, TraceSafepoint, false, \ | |
1287 "Trace safepoint operations") \ | |
1288 \ | |
1289 develop(bool, TraceICBuffer, false, \ | |
1290 "Trace usage of IC buffer") \ | |
1291 \ | |
1292 develop(bool, TraceCompiledIC, false, \ | |
1293 "Trace changes of compiled IC") \ | |
1294 \ | |
1295 notproduct(bool, TraceZapDeadLocals, false, \ | |
1296 "Trace zapping dead locals") \ | |
1297 \ | |
1298 develop(bool, TraceStartupTime, false, \ | |
1299 "Trace setup time") \ | |
1300 \ | |
1301 develop(bool, TraceProtectionDomainVerification, false, \ | |
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1302 "Trace protection domain verification") \ |
0 | 1303 \ |
1304 develop(bool, TraceClearedExceptions, false, \ | |
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1305 "Print when an exception is forcibly cleared") \ |
0 | 1306 \ |
1307 product(bool, TraceClassResolution, false, \ | |
1308 "Trace all constant pool resolutions (for debugging)") \ | |
1309 \ | |
1310 product(bool, TraceBiasedLocking, false, \ | |
1311 "Trace biased locking in JVM") \ | |
1312 \ | |
1313 product(bool, TraceMonitorInflation, false, \ | |
1314 "Trace monitor inflation in JVM") \ | |
1315 \ | |
1316 /* gc */ \ | |
1317 \ | |
1318 product(bool, UseSerialGC, false, \ | |
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1319 "Use the Serial garbage collector") \ |
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1320 \ |
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1321 product(bool, UseG1GC, false, \ |
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1322 "Use the Garbage-First garbage collector") \ |
0 | 1323 \ |
1324 product(bool, UseParallelGC, false, \ | |
1325 "Use the Parallel Scavenge garbage collector") \ | |
1326 \ | |
1327 product(bool, UseParallelOldGC, false, \ | |
1328 "Use the Parallel Old garbage collector") \ | |
1329 \ | |
1330 product(uintx, HeapMaximumCompactionInterval, 20, \ | |
1331 "How often should we maximally compact the heap (not allowing " \ | |
1332 "any dead space)") \ | |
1333 \ | |
1334 product(uintx, HeapFirstMaximumCompactionCount, 3, \ | |
1335 "The collection count for the first maximum compaction") \ | |
1336 \ | |
1337 product(bool, UseMaximumCompactionOnSystemGC, true, \ | |
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1338 "Use maximum compaction in the Parallel Old garbage collector " \ |
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1339 "for a system GC") \ |
0 | 1340 \ |
1341 product(uintx, ParallelOldDeadWoodLimiterMean, 50, \ | |
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1342 "The mean used by the parallel compact dead wood " \ |
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1343 "limiter (a number between 0-100)") \ |
0 | 1344 \ |
1345 product(uintx, ParallelOldDeadWoodLimiterStdDev, 80, \ | |
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1346 "The standard deviation used by the parallel compact dead wood " \ |
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1347 "limiter (a number between 0-100)") \ |
0 | 1348 \ |
1349 product(uintx, ParallelGCThreads, 0, \ | |
1350 "Number of parallel threads parallel gc will use") \ | |
1351 \ | |
4095
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1352 product(bool, UseDynamicNumberOfGCThreads, false, \ |
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1353 "Dynamically choose the number of parallel threads " \ |
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1354 "parallel gc will use") \ |
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1355 \ |
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1356 diagnostic(bool, ForceDynamicNumberOfGCThreads, false, \ |
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1357 "Force dynamic selection of the number of " \ |
4095
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1358 "parallel threads parallel gc will use to aid debugging") \ |
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1359 \ |
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1360 product(uintx, HeapSizePerGCThread, ScaleForWordSize(64*M), \ |
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1361 "Size of heap (bytes) per GC thread used in calculating the " \ |
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1362 "number of GC threads") \ |
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1363 \ |
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1364 product(bool, TraceDynamicGCThreads, false, \ |
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1365 "Trace the dynamic GC thread usage") \ |
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1366 \ |
483
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1367 develop(bool, ParallelOldGCSplitALot, false, \ |
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1368 "Provoke splitting (copying data from a young gen space to " \ |
483
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1369 "multiple destination spaces)") \ |
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1370 \ |
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1371 develop(uintx, ParallelOldGCSplitInterval, 3, \ |
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1372 "How often to provoke splitting a young gen space") \ |
0 | 1373 \ |
1284 | 1374 product(uintx, ConcGCThreads, 0, \ |
1375 "Number of threads concurrent gc will use") \ | |
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1376 \ |
0 | 1377 product(uintx, YoungPLABSize, 4096, \ |
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1378 "Size of young gen promotion LAB's (in HeapWords)") \ |
0 | 1379 \ |
1380 product(uintx, OldPLABSize, 1024, \ | |
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1381 "Size of old gen promotion LAB's (in HeapWords)") \ |
0 | 1382 \ |
1383 product(uintx, GCTaskTimeStampEntries, 200, \ | |
1384 "Number of time stamp entries per gc worker thread") \ | |
1385 \ | |
1386 product(bool, AlwaysTenure, false, \ | |
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1387 "Always tenure objects in eden (ParallelGC only)") \ |
0 | 1388 \ |
1389 product(bool, NeverTenure, false, \ | |
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1390 "Never tenure objects in eden, may tenure on overflow " \ |
1064 | 1391 "(ParallelGC only)") \ |
0 | 1392 \ |
1393 product(bool, ScavengeBeforeFullGC, true, \ | |
1064 | 1394 "Scavenge youngest generation before each full GC, " \ |
1395 "used with UseParallelGC") \ | |
0 | 1396 \ |
1397 develop(bool, ScavengeWithObjectsInToSpace, false, \ | |
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1398 "Allow scavenges to occur when to-space contains objects") \ |
0 | 1399 \ |
1400 product(bool, UseConcMarkSweepGC, false, \ | |
1401 "Use Concurrent Mark-Sweep GC in the old generation") \ | |
1402 \ | |
1403 product(bool, ExplicitGCInvokesConcurrent, false, \ | |
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1404 "A System.gc() request invokes a concurrent collection; " \ |
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1405 "(effective only when UseConcMarkSweepGC)") \ |
0 | 1406 \ |
1407 product(bool, ExplicitGCInvokesConcurrentAndUnloadsClasses, false, \ | |
1064 | 1408 "A System.gc() request invokes a concurrent collection and " \ |
1409 "also unloads classes during such a concurrent gc cycle " \ | |
1410 "(effective only when UseConcMarkSweepGC)") \ | |
0 | 1411 \ |
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1412 product(bool, GCLockerInvokesConcurrent, false, \ |
12836
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1413 "The exit of a JNI critical section necessitating a scavenge, " \ |
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1414 "also kicks off a background concurrent collection") \ |
1520
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1415 \ |
1991
016a3628c885
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|
1416 product(uintx, GCLockerEdenExpansionPercent, 5, \ |
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1417 "How much the GC can expand the eden by while the GC locker " \ |
1991
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|
1418 "is active (as a percentage)") \ |
016a3628c885
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|
1419 \ |
8853
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|
1420 diagnostic(intx, GCLockerRetryAllocationCount, 2, \ |
12836
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1421 "Number of times to retry allocations when " \ |
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1422 "blocked by the GC locker") \ |
8853
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|
1423 \ |
0 | 1424 develop(bool, UseCMSAdaptiveFreeLists, true, \ |
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1425 "Use adaptive free lists in the CMS generation") \ |
0 | 1426 \ |
1427 develop(bool, UseAsyncConcMarkSweepGC, true, \ | |
1428 "Use Asynchronous Concurrent Mark-Sweep GC in the old generation")\ | |
1429 \ | |
1430 develop(bool, RotateCMSCollectionTypes, false, \ | |
1431 "Rotate the CMS collections among concurrent and STW") \ | |
1432 \ | |
1433 product(bool, UseCMSBestFit, true, \ | |
1434 "Use CMS best fit allocation strategy") \ | |
1435 \ | |
1436 product(bool, UseCMSCollectionPassing, true, \ | |
1437 "Use passing of collection from background to foreground") \ | |
1438 \ | |
1439 product(bool, UseParNewGC, false, \ | |
12836
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1440 "Use parallel threads in the new generation") \ |
0 | 1441 \ |
1442 product(bool, ParallelGCVerbose, false, \ | |
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1443 "Verbose output for parallel gc") \ |
0 | 1444 \ |
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1445 product(uintx, ParallelGCBufferWastePct, 10, \ |
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1446 "Wasted fraction of parallel allocation buffer") \ |
0 | 1447 \ |
3357
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1448 diagnostic(bool, ParallelGCRetainPLAB, false, \ |
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1449 "Retain parallel allocation buffers across scavenges; " \ |
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1450 "it is disabled because this currently conflicts with " \ |
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1451 "parallel card scanning under certain conditions.") \ |
0 | 1452 \ |
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1453 product(uintx, TargetPLABWastePct, 10, \ |
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1454 "Target wasted space in last buffer as percent of overall " \ |
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1455 "allocation") \ |
0 | 1456 \ |
1457 product(uintx, PLABWeight, 75, \ | |
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1458 "Percentage (0-100) used to weigh the current sample when " \ |
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1459 "computing exponentially decaying average for ResizePLAB") \ |
0 | 1460 \ |
1461 product(bool, ResizePLAB, true, \ | |
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1462 "Dynamically resize (survivor space) promotion LAB's") \ |
0 | 1463 \ |
1464 product(bool, PrintPLAB, false, \ | |
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1465 "Print (survivor space) promotion LAB's sizing decisions") \ |
0 | 1466 \ |
1467 product(intx, ParGCArrayScanChunk, 50, \ | |
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1468 "Scan a subset of object array and push remainder, if array is " \ |
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1469 "bigger than this") \ |
0 | 1470 \ |
695 | 1471 product(bool, ParGCUseLocalOverflow, false, \ |
1472 "Instead of a global overflow list, use local overflow stacks") \ | |
1473 \ | |
679
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|
1474 product(bool, ParGCTrimOverflow, true, \ |
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1475 "Eagerly trim the local overflow lists " \ |
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1476 "(when ParGCUseLocalOverflow)") \ |
679
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|
1477 \ |
534 | 1478 notproduct(bool, ParGCWorkQueueOverflowALot, false, \ |
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1479 "Simulate work queue overflow in ParNew") \ |
534 | 1480 \ |
1481 notproduct(uintx, ParGCWorkQueueOverflowInterval, 1000, \ | |
1064 | 1482 "An `interval' counter that determines how frequently " \ |
1483 "we simulate overflow; a smaller number increases frequency") \ | |
534 | 1484 \ |
1485 product(uintx, ParGCDesiredObjsFromOverflowList, 20, \ | |
0 | 1486 "The desired number of objects to claim from the overflow list") \ |
1487 \ | |
4728
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1488 diagnostic(uintx, ParGCStridesPerThread, 2, \ |
3357
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|
1489 "The number of strides per worker thread that we divide up the " \ |
fc2b798ab316
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1490 "card table scanning work into") \ |
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1491 \ |
fc2b798ab316
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|
1492 diagnostic(intx, ParGCCardsPerStrideChunk, 256, \ |
fc2b798ab316
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|
1493 "The number of cards in each chunk of the parallel chunks used " \ |
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|
1494 "during card table scanning") \ |
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|
1495 \ |
fc2b798ab316
6883834: ParNew: assert(!_g->to()->is_in_reserved(obj),"Scanning field twice?") with LargeObjects tests
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|
1496 product(uintx, CMSParPromoteBlocksToClaim, 16, \ |
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1497 "Number of blocks to attempt to claim when refilling CMS LAB's " \ |
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1498 "for parallel GC") \ |
0 | 1499 \ |
1145
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1500 product(uintx, OldPLABWeight, 50, \ |
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1501 "Percentage (0-100) used to weight the current sample when " \ |
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1502 "computing exponentially decaying average for resizing " \ |
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1503 "CMSParPromoteBlocksToClaim") \ |
1145
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|
1504 \ |
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1505 product(bool, ResizeOldPLAB, true, \ |
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1506 "Dynamically resize (old gen) promotion LAB's") \ |
1145
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|
1507 \ |
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|
1508 product(bool, PrintOldPLAB, false, \ |
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1509 "Print (old gen) promotion LAB's sizing decisions") \ |
1145
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1510 \ |
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|
1511 product(uintx, CMSOldPLABMin, 16, \ |
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1512 "Minimum size of CMS gen promotion LAB caches per worker " \ |
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1513 "per block size") \ |
1145
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|
1514 \ |
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|
1515 product(uintx, CMSOldPLABMax, 1024, \ |
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1516 "Maximum size of CMS gen promotion LAB caches per worker " \ |
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1517 "per block size") \ |
1145
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|
1518 \ |
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|
1519 product(uintx, CMSOldPLABNumRefills, 4, \ |
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1520 "Nominal number of refills of CMS gen promotion LAB cache " \ |
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1521 "per worker per block size") \ |
1145
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|
1522 \ |
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|
1523 product(bool, CMSOldPLABResizeQuicker, false, \ |
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1524 "React on-the-fly during a scavenge to a sudden " \ |
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1525 "change in block demand rate") \ |
1145
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|
1526 \ |
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|
1527 product(uintx, CMSOldPLABToleranceFactor, 4, \ |
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1528 "The tolerance of the phase-change detector for on-the-fly " \ |
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1529 "PLAB resizing during a scavenge") \ |
1145
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|
1530 \ |
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1531 product(uintx, CMSOldPLABReactivityFactor, 2, \ |
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1532 "The gain in the feedback loop for on-the-fly PLAB resizing " \ |
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1533 "during a scavenge") \ |
1145
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|
1534 \ |
0 | 1535 product(bool, AlwaysPreTouch, false, \ |
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|
1536 "Force all freshly committed pages to be pre-touched") \ |
0 | 1537 \ |
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1538 product_pd(uintx, CMSYoungGenPerWorker, \ |
2368
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|
1539 "The maximum size of young gen chosen by default per GC worker " \ |
1064 | 1540 "thread available") \ |
0 | 1541 \ |
1542 product(bool, CMSIncrementalMode, false, \ | |
1543 "Whether CMS GC should operate in \"incremental\" mode") \ | |
1544 \ | |
1545 product(uintx, CMSIncrementalDutyCycle, 10, \ | |
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1546 "Percentage (0-100) of CMS incremental mode duty cycle. If " \ |
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1547 "CMSIncrementalPacing is enabled, then this is just the initial " \ |
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1548 "value.") \ |
0 | 1549 \ |
1550 product(bool, CMSIncrementalPacing, true, \ | |
1551 "Whether the CMS incremental mode duty cycle should be " \ | |
1552 "automatically adjusted") \ | |
1553 \ | |
1554 product(uintx, CMSIncrementalDutyCycleMin, 0, \ | |
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1555 "Minimum percentage (0-100) of the CMS incremental duty cycle " \ |
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1556 "used when CMSIncrementalPacing is enabled") \ |
0 | 1557 \ |
1558 product(uintx, CMSIncrementalSafetyFactor, 10, \ | |
1064 | 1559 "Percentage (0-100) used to add conservatism when computing the " \ |
1560 "duty cycle") \ | |
0 | 1561 \ |
1562 product(uintx, CMSIncrementalOffset, 0, \ | |
12836
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|
1563 "Percentage (0-100) by which the CMS incremental mode duty cycle "\ |
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1564 "is shifted to the right within the period between young GCs") \ |
0 | 1565 \ |
1145
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1566 product(uintx, CMSExpAvgFactor, 50, \ |
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1567 "Percentage (0-100) used to weigh the current sample when " \ |
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1568 "computing exponential averages for CMS statistics") \ |
1145
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|
1569 \ |
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1570 product(uintx, CMS_FLSWeight, 75, \ |
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|
1571 "Percentage (0-100) used to weigh the current sample when " \ |
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1572 "computing exponentially decaying averages for CMS FLS " \ |
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|
1573 "statistics") \ |
1145
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1574 \ |
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1575 product(uintx, CMS_FLSPadding, 1, \ |
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|
1576 "The multiple of deviation from mean to use for buffering " \ |
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1577 "against volatility in free list demand") \ |
0 | 1578 \ |
1579 product(uintx, FLSCoalescePolicy, 2, \ | |
12836
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1580 "CMS: aggressiveness level for coalescing, increasing " \ |
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1581 "from 0 to 4") \ |
0 | 1582 \ |
1145
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1583 product(bool, FLSAlwaysCoalesceLarge, false, \ |
12836
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1584 "CMS: larger free blocks are always available for coalescing") \ |
1145
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1585 \ |
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1586 product(double, FLSLargestBlockCoalesceProximity, 0.99, \ |
12836
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1587 "CMS: the smaller the percentage the greater the coalescing " \ |
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1588 "force") \ |
1145
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1589 \ |
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1590 product(double, CMSSmallCoalSurplusPercent, 1.05, \ |
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1591 "CMS: the factor by which to inflate estimated demand of small " \ |
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1592 "block sizes to prevent coalescing with an adjoining block") \ |
1145
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1593 \ |
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1594 product(double, CMSLargeCoalSurplusPercent, 0.95, \ |
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1595 "CMS: the factor by which to inflate estimated demand of large " \ |
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1596 "block sizes to prevent coalescing with an adjoining block") \ |
1145
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1597 \ |
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1598 product(double, CMSSmallSplitSurplusPercent, 1.10, \ |
12836
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1599 "CMS: the factor by which to inflate estimated demand of small " \ |
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1600 "block sizes to prevent splitting to supply demand for smaller " \ |
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1601 "blocks") \ |
1145
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1602 \ |
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1603 product(double, CMSLargeSplitSurplusPercent, 1.00, \ |
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1604 "CMS: the factor by which to inflate estimated demand of large " \ |
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1605 "block sizes to prevent splitting to supply demand for smaller " \ |
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1606 "blocks") \ |
1145
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1607 \ |
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1608 product(bool, CMSExtrapolateSweep, false, \ |
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1609 "CMS: cushion for block demand during sweep") \ |
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1610 \ |
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1611 product(uintx, CMS_SweepWeight, 75, \ |
1064 | 1612 "Percentage (0-100) used to weight the current sample when " \ |
1613 "computing exponentially decaying average for inter-sweep " \ | |
1614 "duration") \ | |
0 | 1615 \ |
1145
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1616 product(uintx, CMS_SweepPadding, 1, \ |
1064 | 1617 "The multiple of deviation from mean to use for buffering " \ |
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1618 "against volatility in inter-sweep duration") \ |
0 | 1619 \ |
1620 product(uintx, CMS_SweepTimerThresholdMillis, 10, \ | |
1621 "Skip block flux-rate sampling for an epoch unless inter-sweep " \ | |
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1622 "duration exceeds this threshold in milliseconds") \ |
0 | 1623 \ |
1624 develop(bool, CMSTraceIncrementalMode, false, \ | |
1625 "Trace CMS incremental mode") \ | |
1626 \ | |
1627 develop(bool, CMSTraceIncrementalPacing, false, \ | |
1628 "Trace CMS incremental mode pacing computation") \ | |
1629 \ | |
1630 develop(bool, CMSTraceThreadState, false, \ | |
1631 "Trace the CMS thread state (enable the trace_state() method)") \ | |
1632 \ | |
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1633 product(bool, CMSClassUnloadingEnabled, true, \ |
0 | 1634 "Whether class unloading enabled when using CMS GC") \ |
1635 \ | |
94
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1636 product(uintx, CMSClassUnloadingMaxInterval, 0, \ |
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1637 "When CMS class unloading is enabled, the maximum CMS cycle " \ |
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1638 "count for which classes may not be unloaded") \ |
94
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1639 \ |
0 | 1640 product(bool, CMSCompactWhenClearAllSoftRefs, true, \ |
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1641 "Compact when asked to collect CMS gen with " \ |
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1642 "clear_all_soft_refs()") \ |
0 | 1643 \ |
1644 product(bool, UseCMSCompactAtFullCollection, true, \ | |
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1645 "Use Mark-Sweep-Compact algorithm at full collections") \ |
0 | 1646 \ |
1647 product(uintx, CMSFullGCsBeforeCompaction, 0, \ | |
1648 "Number of CMS full collection done before compaction if > 0") \ | |
1649 \ | |
1650 develop(intx, CMSDictionaryChoice, 0, \ | |
1651 "Use BinaryTreeDictionary as default in the CMS generation") \ | |
1652 \ | |
1653 product(uintx, CMSIndexedFreeListReplenish, 4, \ | |
6818 | 1654 "Replenish an indexed free list with this number of chunks") \ |
0 | 1655 \ |
1145
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1656 product(bool, CMSReplenishIntermediate, true, \ |
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1657 "Replenish all intermediate free-list caches") \ |
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1658 \ |
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1659 product(bool, CMSSplitIndexedFreeListBlocks, true, \ |
1777
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1660 "When satisfying batched demand, split blocks from the " \ |
1145
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1661 "IndexedFreeList whose size is a multiple of requested size") \ |
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1662 \ |
0 | 1663 product(bool, CMSLoopWarn, false, \ |
1664 "Warn in case of excessive CMS looping") \ | |
1665 \ | |
1666 develop(bool, CMSOverflowEarlyRestoration, false, \ | |
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1667 "Restore preserved marks early") \ |
0 | 1668 \ |
1284 | 1669 product(uintx, MarkStackSize, NOT_LP64(32*K) LP64_ONLY(4*M), \ |
1670 "Size of marking stack") \ | |
1671 \ | |
1672 product(uintx, MarkStackSizeMax, NOT_LP64(4*M) LP64_ONLY(512*M), \ | |
12836
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1673 "Maximum size of marking stack") \ |
0 | 1674 \ |
1675 notproduct(bool, CMSMarkStackOverflowALot, false, \ | |
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1676 "Simulate frequent marking stack / work queue overflow") \ |
0 | 1677 \ |
534 | 1678 notproduct(uintx, CMSMarkStackOverflowInterval, 1000, \ |
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1679 "An \"interval\" counter that determines how frequently " \ |
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1680 "to simulate overflow; a smaller number increases frequency") \ |
0 | 1681 \ |
1682 product(uintx, CMSMaxAbortablePrecleanLoops, 0, \ | |
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1683 "(Temporary, subject to experimentation) " \ |
0 | 1684 "Maximum number of abortable preclean iterations, if > 0") \ |
1685 \ | |
1686 product(intx, CMSMaxAbortablePrecleanTime, 5000, \ | |
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1687 "(Temporary, subject to experimentation) " \ |
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1688 "Maximum time in abortable preclean (in milliseconds)") \ |
0 | 1689 \ |
1690 product(uintx, CMSAbortablePrecleanMinWorkPerIteration, 100, \ | |
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1691 "(Temporary, subject to experimentation) " \ |
0 | 1692 "Nominal minimum work per abortable preclean iteration") \ |
1693 \ | |
1887
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|
1694 manageable(intx, CMSAbortablePrecleanWaitMillis, 100, \ |
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1695 "(Temporary, subject to experimentation) " \ |
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1696 "Time that we sleep between iterations when not given " \ |
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1697 "enough work per iteration") \ |
0 | 1698 \ |
1699 product(uintx, CMSRescanMultiple, 32, \ | |
1700 "Size (in cards) of CMS parallel rescan task") \ | |
1701 \ | |
1702 product(uintx, CMSConcMarkMultiple, 32, \ | |
1703 "Size (in cards) of CMS concurrent MT marking task") \ | |
1704 \ | |
1705 product(bool, CMSAbortSemantics, false, \ | |
1706 "Whether abort-on-overflow semantics is implemented") \ | |
1707 \ | |
11975 | 1708 product(bool, CMSParallelInitialMarkEnabled, true, \ |
1709 "Use the parallel initial mark.") \ | |
1710 \ | |
0 | 1711 product(bool, CMSParallelRemarkEnabled, true, \ |
1712 "Whether parallel remark enabled (only if ParNewGC)") \ | |
1713 \ | |
1714 product(bool, CMSParallelSurvivorRemarkEnabled, true, \ | |
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1715 "Whether parallel remark of survivor space " \ |
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1716 "enabled (effective only if CMSParallelRemarkEnabled)") \ |
0 | 1717 \ |
1718 product(bool, CMSPLABRecordAlways, true, \ | |
12836
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1719 "Always record survivor space PLAB boundaries (effective only " \ |
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1720 "if CMSParallelSurvivorRemarkEnabled)") \ |
0 | 1721 \ |
11973
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|
1722 product(bool, CMSEdenChunksRecordAlways, true, \ |
12836
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1723 "Always record eden chunks used for the parallel initial mark " \ |
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1724 "or remark of eden") \ |
11973
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1725 \ |
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1726 product(bool, CMSPrintEdenSurvivorChunks, false, \ |
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1727 "Print the eden and the survivor chunks used for the parallel " \ |
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1728 "initial mark or remark of the eden/survivor spaces") \ |
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1729 \ |
0 | 1730 product(bool, CMSConcurrentMTEnabled, true, \ |
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1731 "Whether multi-threaded concurrent work enabled " \ |
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1732 "(effective only if ParNewGC)") \ |
0 | 1733 \ |
1734 product(bool, CMSPrecleaningEnabled, true, \ | |
1735 "Whether concurrent precleaning enabled") \ | |
1736 \ | |
1737 product(uintx, CMSPrecleanIter, 3, \ | |
1738 "Maximum number of precleaning iteration passes") \ | |
1739 \ | |
1740 product(uintx, CMSPrecleanNumerator, 2, \ | |
12836
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1741 "CMSPrecleanNumerator:CMSPrecleanDenominator yields convergence " \ |
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1742 "ratio") \ |
0 | 1743 \ |
1744 product(uintx, CMSPrecleanDenominator, 3, \ | |
12836
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1745 "CMSPrecleanNumerator:CMSPrecleanDenominator yields convergence " \ |
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1746 "ratio") \ |
0 | 1747 \ |
452
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1748 product(bool, CMSPrecleanRefLists1, true, \ |
0 | 1749 "Preclean ref lists during (initial) preclean phase") \ |
1750 \ | |
1751 product(bool, CMSPrecleanRefLists2, false, \ | |
1752 "Preclean ref lists during abortable preclean phase") \ | |
1753 \ | |
1754 product(bool, CMSPrecleanSurvivors1, false, \ | |
1755 "Preclean survivors during (initial) preclean phase") \ | |
1756 \ | |
1757 product(bool, CMSPrecleanSurvivors2, true, \ | |
1758 "Preclean survivors during abortable preclean phase") \ | |
1759 \ | |
1760 product(uintx, CMSPrecleanThreshold, 1000, \ | |
12836
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1761 "Do not iterate again if number of dirty cards is less than this")\ |
0 | 1762 \ |
1763 product(bool, CMSCleanOnEnter, true, \ | |
1764 "Clean-on-enter optimization for reducing number of dirty cards") \ | |
1765 \ | |
1766 product(uintx, CMSRemarkVerifyVariant, 1, \ | |
1767 "Choose variant (1,2) of verification following remark") \ | |
1768 \ | |
1769 product(uintx, CMSScheduleRemarkEdenSizeThreshold, 2*M, \ | |
12836
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1770 "If Eden size is below this, do not try to schedule remark") \ |
0 | 1771 \ |
1772 product(uintx, CMSScheduleRemarkEdenPenetration, 50, \ | |
12836
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1773 "The Eden occupancy percentage (0-100) at which " \ |
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|
1774 "to try and schedule remark pause") \ |
0 | 1775 \ |
1776 product(uintx, CMSScheduleRemarkSamplingRatio, 5, \ | |
12836
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1777 "Start sampling eden top at least before young gen " \ |
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1778 "occupancy reaches 1/<ratio> of the size at which " \ |
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1779 "we plan to schedule remark") \ |
0 | 1780 \ |
1781 product(uintx, CMSSamplingGrain, 16*K, \ | |
1782 "The minimum distance between eden samples for CMS (see above)") \ | |
1783 \ | |
1784 product(bool, CMSScavengeBeforeRemark, false, \ | |
1785 "Attempt scavenge before the CMS remark step") \ | |
1786 \ | |
1787 develop(bool, CMSTraceSweeper, false, \ | |
1788 "Trace some actions of the CMS sweeper") \ | |
1789 \ | |
1790 product(uintx, CMSWorkQueueDrainThreshold, 10, \ | |
1791 "Don't drain below this size per parallel worker/thief") \ | |
1792 \ | |
1887
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1793 manageable(intx, CMSWaitDuration, 2000, \ |
0 | 1794 "Time in milliseconds that CMS thread waits for young GC") \ |
1795 \ | |
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1796 develop(uintx, CMSCheckInterval, 1000, \ |
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1797 "Interval in milliseconds that CMS thread checks if it " \ |
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1798 "should start a collection cycle") \ |
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1799 \ |
0 | 1800 product(bool, CMSYield, true, \ |
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1801 "Yield between steps of CMS") \ |
0 | 1802 \ |
1803 product(uintx, CMSBitMapYieldQuantum, 10*M, \ | |
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1804 "Bitmap operations should process at most this many bits " \ |
0 | 1805 "between yields") \ |
1806 \ | |
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1807 product(bool, CMSDumpAtPromotionFailure, false, \ |
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1808 "Dump useful information about the state of the CMS old " \ |
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1809 "generation upon a promotion failure") \ |
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1810 \ |
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1811 product(bool, CMSPrintChunksInDump, false, \ |
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1812 "In a dump enabled by CMSDumpAtPromotionFailure, include " \ |
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1813 "more detailed information about the free chunks") \ |
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1814 \ |
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1815 product(bool, CMSPrintObjectsInDump, false, \ |
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1816 "In a dump enabled by CMSDumpAtPromotionFailure, include " \ |
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1817 "more detailed information about the allocated objects") \ |
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1818 \ |
0 | 1819 diagnostic(bool, FLSVerifyAllHeapReferences, false, \ |
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1820 "Verify that all references across the FLS boundary " \ |
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1821 "are to valid objects") \ |
0 | 1822 \ |
1823 diagnostic(bool, FLSVerifyLists, false, \ | |
1824 "Do lots of (expensive) FreeListSpace verification") \ | |
1825 \ | |
1826 diagnostic(bool, FLSVerifyIndexTable, false, \ | |
1827 "Do lots of (expensive) FLS index table verification") \ | |
1828 \ | |
1829 develop(bool, FLSVerifyDictionary, false, \ | |
1830 "Do lots of (expensive) FLS dictionary verification") \ | |
1831 \ | |
1832 develop(bool, VerifyBlockOffsetArray, false, \ | |
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1833 "Do (expensive) block offset array verification") \ |
0 | 1834 \ |
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1835 diagnostic(bool, BlockOffsetArrayUseUnallocatedBlock, false, \ |
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1836 "Maintain _unallocated_block in BlockOffsetArray " \ |
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1837 "(currently applicable only to CMS collector)") \ |
0 | 1838 \ |
1839 develop(bool, TraceCMSState, false, \ | |
1840 "Trace the state of the CMS collection") \ | |
1841 \ | |
1842 product(intx, RefDiscoveryPolicy, 0, \ | |
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1843 "Select type of reference discovery policy: " \ |
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1844 "reference-based(0) or referent-based(1)") \ |
0 | 1845 \ |
1846 product(bool, ParallelRefProcEnabled, false, \ | |
1847 "Enable parallel reference processing whenever possible") \ | |
1848 \ | |
1849 product(bool, ParallelRefProcBalancingEnabled, true, \ | |
1850 "Enable balancing of reference processing queues") \ | |
1851 \ | |
8035 | 1852 product(uintx, CMSTriggerRatio, 80, \ |
0 | 1853 "Percentage of MinHeapFreeRatio in CMS generation that is " \ |
1064 | 1854 "allocated before a CMS collection cycle commences") \ |
0 | 1855 \ |
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1856 product(uintx, CMSBootstrapOccupancy, 50, \ |
0 | 1857 "Percentage CMS generation occupancy at which to " \ |
1064 | 1858 "initiate CMS collection for bootstrapping collection stats") \ |
0 | 1859 \ |
1860 product(intx, CMSInitiatingOccupancyFraction, -1, \ | |
1861 "Percentage CMS generation occupancy to start a CMS collection " \ | |
1064 | 1862 "cycle. A negative value means that CMSTriggerRatio is used") \ |
94
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1863 \ |
1283
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1864 product(uintx, InitiatingHeapOccupancyPercent, 45, \ |
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1865 "Percentage of the (entire) heap occupancy to start a " \ |
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1866 "concurrent GC cycle. It is used by GCs that trigger a " \ |
1283
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1867 "concurrent GC cycle based on the occupancy of the entire heap, " \ |
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1868 "not just one of the generations (e.g., G1). A value of 0 " \ |
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1869 "denotes 'do constant GC cycles'.") \ |
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1870 \ |
0 | 1871 product(bool, UseCMSInitiatingOccupancyOnly, false, \ |
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1872 "Only use occupancy as a criterion for starting a CMS collection")\ |
0 | 1873 \ |
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1874 product(uintx, CMSIsTooFullPercentage, 98, \ |
1064 | 1875 "An absolute ceiling above which CMS will always consider the " \ |
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1876 "unloading of classes when class unloading is enabled") \ |
94
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1877 \ |
0 | 1878 develop(bool, CMSTestInFreeList, false, \ |
1879 "Check if the coalesced range is already in the " \ | |
1064 | 1880 "free lists as claimed") \ |
0 | 1881 \ |
1882 notproduct(bool, CMSVerifyReturnedBytes, false, \ | |
1883 "Check that all the garbage collected was returned to the " \ | |
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1884 "free lists") \ |
0 | 1885 \ |
1886 notproduct(bool, ScavengeALot, false, \ | |
1887 "Force scavenge at every Nth exit from the runtime system " \ | |
1888 "(N=ScavengeALotInterval)") \ | |
1889 \ | |
1890 develop(bool, FullGCALot, false, \ | |
1891 "Force full gc at every Nth exit from the runtime system " \ | |
1892 "(N=FullGCALotInterval)") \ | |
1893 \ | |
1894 notproduct(bool, GCALotAtAllSafepoints, false, \ | |
1895 "Enforce ScavengeALot/GCALot at all potential safepoints") \ | |
1896 \ | |
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1897 product(bool, PrintPromotionFailure, false, \ |
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1898 "Print additional diagnostic information following " \ |
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1899 "promotion failure") \ |
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1900 \ |
0 | 1901 notproduct(bool, PromotionFailureALot, false, \ |
1902 "Use promotion failure handling on every youngest generation " \ | |
1903 "collection") \ | |
1904 \ | |
1905 develop(uintx, PromotionFailureALotCount, 1000, \ | |
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1906 "Number of promotion failures occurring at ParGCAllocBuffer " \ |
0 | 1907 "refill attempts (ParNew) or promotion attempts " \ |
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1908 "(other young collectors)") \ |
0 | 1909 \ |
1910 develop(uintx, PromotionFailureALotInterval, 5, \ | |
1911 "Total collections between promotion failures alot") \ | |
1912 \ | |
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1913 experimental(uintx, WorkStealingSleepMillis, 1, \ |
0 | 1914 "Sleep time when sleep is used for yields") \ |
1915 \ | |
2430 | 1916 experimental(uintx, WorkStealingYieldsBeforeSleep, 5000, \ |
0 | 1917 "Number of yields before a sleep is done during workstealing") \ |
1918 \ | |
1837
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1919 experimental(uintx, WorkStealingHardSpins, 4096, \ |
546
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1920 "Number of iterations in a spin loop between checks on " \ |
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1921 "time out of hard spin") \ |
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1922 \ |
1837
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1923 experimental(uintx, WorkStealingSpinToYieldRatio, 10, \ |
546
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1924 "Ratio of hard spins to calls to yield") \ |
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1925 \ |
1311
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1926 develop(uintx, ObjArrayMarkingStride, 512, \ |
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1927 "Number of object array elements to push onto the marking stack " \ |
1311
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1928 "before pushing a continuation entry") \ |
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1929 \ |
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1930 develop(bool, MetadataAllocationFailALot, false, \ |
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1931 "Fail metadata allocations at intervals controlled by " \ |
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1932 "MetadataAllocationFailALotInterval") \ |
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1933 \ |
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1934 develop(uintx, MetadataAllocationFailALotInterval, 1000, \ |
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1935 "Metadata allocation failure a lot interval") \ |
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1936 \ |
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1937 develop(bool, MetaDataDeallocateALot, false, \ |
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1938 "Deallocation bunches of metadata at intervals controlled by " \ |
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1939 "MetaDataAllocateALotInterval") \ |
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1940 \ |
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1941 develop(uintx, MetaDataDeallocateALotInterval, 100, \ |
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1942 "Metadata deallocation alot interval") \ |
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1943 \ |
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1944 develop(bool, TraceMetadataChunkAllocation, false, \ |
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1945 "Trace chunk metadata allocations") \ |
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1946 \ |
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1947 product(bool, TraceMetadataHumongousAllocation, false, \ |
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1948 "Trace humongous metadata allocations") \ |
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1949 \ |
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1950 develop(bool, TraceMetavirtualspaceAllocation, false, \ |
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1951 "Trace virtual space metadata allocations") \ |
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1952 \ |
3779 | 1953 notproduct(bool, ExecuteInternalVMTests, false, \ |
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1954 "Enable execution of internal VM tests") \ |
3779 | 1955 \ |
12110
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1956 notproduct(bool, VerboseInternalVMTests, false, \ |
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1957 "Turn on logging for internal VM tests.") \ |
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1958 \ |
0 | 1959 product_pd(bool, UseTLAB, "Use thread-local object allocation") \ |
1960 \ | |
1961 product_pd(bool, ResizeTLAB, \ | |
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1962 "Dynamically resize TLAB size for threads") \ |
0 | 1963 \ |
1964 product(bool, ZeroTLAB, false, \ | |
1965 "Zero out the newly created TLAB") \ | |
1966 \ | |
342
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1967 product(bool, FastTLABRefill, true, \ |
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1968 "Use fast TLAB refill code") \ |
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1969 \ |
0 | 1970 product(bool, PrintTLAB, false, \ |
1971 "Print various TLAB related information") \ | |
1972 \ | |
1973 product(bool, TLABStats, true, \ | |
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1974 "Provide more detailed and expensive TLAB statistics " \ |
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1975 "(with PrintTLAB)") \ |
0 | 1976 \ |
2192
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1977 EMBEDDED_ONLY(product(bool, LowMemoryProtection, true, \ |
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|
1978 "Enable LowMemoryProtection")) \ |
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1979 \ |
0 | 1980 product_pd(bool, NeverActAsServerClassMachine, \ |
1981 "Never act like a server-class machine") \ | |
1982 \ | |
1983 product(bool, AlwaysActAsServerClassMachine, false, \ | |
1984 "Always act like a server-class machine") \ | |
1985 \ | |
1064 | 1986 product_pd(uint64_t, MaxRAM, \ |
1987 "Real memory size (in bytes) used to set maximum heap size") \ | |
1988 \ | |
1989 product(uintx, ErgoHeapSizeLimit, 0, \ | |
1990 "Maximum ergonomically set heap size (in bytes); zero means use " \ | |
1991 "MaxRAM / MaxRAMFraction") \ | |
1992 \ | |
1993 product(uintx, MaxRAMFraction, 4, \ | |
1994 "Maximum fraction (1/n) of real memory used for maximum heap " \ | |
1995 "size") \ | |
0 | 1996 \ |
1997 product(uintx, DefaultMaxRAMFraction, 4, \ | |
1064 | 1998 "Maximum fraction (1/n) of real memory used for maximum heap " \ |
1999 "size; deprecated: to be renamed to MaxRAMFraction") \ | |
2000 \ | |
2001 product(uintx, MinRAMFraction, 2, \ | |
2002 "Minimum fraction (1/n) of real memory used for maxmimum heap " \ | |
2003 "size on systems with small physical memory size") \ | |
2004 \ | |
2005 product(uintx, InitialRAMFraction, 64, \ | |
2006 "Fraction (1/n) of real memory used for initial heap size") \ | |
0 | 2007 \ |
8854
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2008 develop(uintx, MaxVirtMemFraction, 2, \ |
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2009 "Maximum fraction (1/n) of virtual memory used for ergonomically "\ |
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2010 "determining maximum heap size") \ |
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|
2011 \ |
0 | 2012 product(bool, UseAutoGCSelectPolicy, false, \ |
2013 "Use automatic collection selection policy") \ | |
2014 \ | |
2015 product(uintx, AutoGCSelectPauseMillis, 5000, \ | |
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2016 "Automatic GC selection pause threshold in milliseconds") \ |
0 | 2017 \ |
2018 product(bool, UseAdaptiveSizePolicy, true, \ | |
2019 "Use adaptive generation sizing policies") \ | |
2020 \ | |
2021 product(bool, UsePSAdaptiveSurvivorSizePolicy, true, \ | |
2022 "Use adaptive survivor sizing policies") \ | |
2023 \ | |
2024 product(bool, UseAdaptiveGenerationSizePolicyAtMinorCollection, true, \ | |
2025 "Use adaptive young-old sizing policies at minor collections") \ | |
2026 \ | |
2027 product(bool, UseAdaptiveGenerationSizePolicyAtMajorCollection, true, \ | |
2028 "Use adaptive young-old sizing policies at major collections") \ | |
2029 \ | |
2030 product(bool, UseAdaptiveSizePolicyWithSystemGC, false, \ | |
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2031 "Include statistics from System.gc() for adaptive size policy") \ |
0 | 2032 \ |
2033 product(bool, UseAdaptiveGCBoundary, false, \ | |
2034 "Allow young-old boundary to move") \ | |
2035 \ | |
2036 develop(bool, TraceAdaptiveGCBoundary, false, \ | |
2037 "Trace young-old boundary moves") \ | |
2038 \ | |
2039 develop(intx, PSAdaptiveSizePolicyResizeVirtualSpaceAlot, -1, \ | |
2040 "Resize the virtual spaces of the young or old generations") \ | |
2041 \ | |
2042 product(uintx, AdaptiveSizeThroughPutPolicy, 0, \ | |
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2043 "Policy for changing generation size for throughput goals") \ |
0 | 2044 \ |
2045 product(uintx, AdaptiveSizePausePolicy, 0, \ | |
2046 "Policy for changing generation size for pause goals") \ | |
2047 \ | |
2048 develop(bool, PSAdjustTenuredGenForMinorPause, false, \ | |
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2049 "Adjust tenured generation to achieve a minor pause goal") \ |
0 | 2050 \ |
2051 develop(bool, PSAdjustYoungGenForMajorPause, false, \ | |
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2052 "Adjust young generation to achieve a major pause goal") \ |
0 | 2053 \ |
2054 product(uintx, AdaptiveSizePolicyInitializingSteps, 20, \ | |
2055 "Number of steps where heuristics is used before data is used") \ | |
2056 \ | |
2057 develop(uintx, AdaptiveSizePolicyReadyThreshold, 5, \ | |
2058 "Number of collections before the adaptive sizing is started") \ | |
2059 \ | |
2060 product(uintx, AdaptiveSizePolicyOutputInterval, 0, \ | |
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2061 "Collection interval for printing information; zero means never") \ |
0 | 2062 \ |
2063 product(bool, UseAdaptiveSizePolicyFootprintGoal, true, \ | |
2064 "Use adaptive minimum footprint as a goal") \ | |
2065 \ | |
2066 product(uintx, AdaptiveSizePolicyWeight, 10, \ | |
2067 "Weight given to exponential resizing, between 0 and 100") \ | |
2068 \ | |
2069 product(uintx, AdaptiveTimeWeight, 25, \ | |
2070 "Weight given to time in adaptive policy, between 0 and 100") \ | |
2071 \ | |
2072 product(uintx, PausePadding, 1, \ | |
2073 "How much buffer to keep for pause time") \ | |
2074 \ | |
2075 product(uintx, PromotedPadding, 3, \ | |
2076 "How much buffer to keep for promotion failure") \ | |
2077 \ | |
2078 product(uintx, SurvivorPadding, 3, \ | |
2079 "How much buffer to keep for survivor overflow") \ | |
2080 \ | |
2081 product(uintx, ThresholdTolerance, 10, \ | |
2082 "Allowed collection cost difference between generations") \ | |
2083 \ | |
2084 product(uintx, AdaptiveSizePolicyCollectionCostMargin, 50, \ | |
1064 | 2085 "If collection costs are within margin, reduce both by full " \ |
2086 "delta") \ | |
0 | 2087 \ |
2088 product(uintx, YoungGenerationSizeIncrement, 20, \ | |
2089 "Adaptive size percentage change in young generation") \ | |
2090 \ | |
2091 product(uintx, YoungGenerationSizeSupplement, 80, \ | |
2092 "Supplement to YoungedGenerationSizeIncrement used at startup") \ | |
2093 \ | |
2094 product(uintx, YoungGenerationSizeSupplementDecay, 8, \ | |
2095 "Decay factor to YoungedGenerationSizeSupplement") \ | |
2096 \ | |
2097 product(uintx, TenuredGenerationSizeIncrement, 20, \ | |
2098 "Adaptive size percentage change in tenured generation") \ | |
2099 \ | |
2100 product(uintx, TenuredGenerationSizeSupplement, 80, \ | |
2101 "Supplement to TenuredGenerationSizeIncrement used at startup") \ | |
2102 \ | |
2103 product(uintx, TenuredGenerationSizeSupplementDecay, 2, \ | |
2104 "Decay factor to TenuredGenerationSizeIncrement") \ | |
2105 \ | |
6818 | 2106 product(uintx, MaxGCPauseMillis, max_uintx, \ |
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2107 "Adaptive size policy maximum GC pause time goal in millisecond, "\ |
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2108 "or (G1 Only) the maximum GC time per MMU time slice") \ |
751 | 2109 \ |
1610
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|
2110 product(uintx, GCPauseIntervalMillis, 0, \ |
751 | 2111 "Time slice for MMU specification") \ |
0 | 2112 \ |
2113 product(uintx, MaxGCMinorPauseMillis, max_uintx, \ | |
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2114 "Adaptive size policy maximum GC minor pause time goal " \ |
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|
2115 "in millisecond") \ |
0 | 2116 \ |
2117 product(uintx, GCTimeRatio, 99, \ | |
2118 "Adaptive size policy application time to GC time ratio") \ | |
2119 \ | |
2120 product(uintx, AdaptiveSizeDecrementScaleFactor, 4, \ | |
2121 "Adaptive size scale down factor for shrinking") \ | |
2122 \ | |
2123 product(bool, UseAdaptiveSizeDecayMajorGCCost, true, \ | |
2124 "Adaptive size decays the major cost for long major intervals") \ | |
2125 \ | |
2126 product(uintx, AdaptiveSizeMajorGCDecayTimeScale, 10, \ | |
2127 "Time scale over which major costs decay") \ | |
2128 \ | |
2129 product(uintx, MinSurvivorRatio, 3, \ | |
2130 "Minimum ratio of young generation/survivor space size") \ | |
2131 \ | |
2132 product(uintx, InitialSurvivorRatio, 8, \ | |
2133 "Initial ratio of eden/survivor space size") \ | |
2134 \ | |
2135 product(uintx, BaseFootPrintEstimate, 256*M, \ | |
2136 "Estimate of footprint other than Java Heap") \ | |
2137 \ | |
2138 product(bool, UseGCOverheadLimit, true, \ | |
2139 "Use policy to limit of proportion of time spent in GC " \ | |
2140 "before an OutOfMemory error is thrown") \ | |
2141 \ | |
2142 product(uintx, GCTimeLimit, 98, \ | |
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2143 "Limit of the proportion of time spent in GC before " \ |
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2144 "an OutOfMemoryError is thrown (used with GCHeapFreeLimit)") \ |
0 | 2145 \ |
2146 product(uintx, GCHeapFreeLimit, 2, \ | |
2147 "Minimum percentage of free space after a full GC before an " \ | |
2148 "OutOfMemoryError is thrown (used with GCTimeLimit)") \ | |
2149 \ | |
2150 develop(uintx, AdaptiveSizePolicyGCTimeLimitThreshold, 5, \ | |
2151 "Number of consecutive collections before gc time limit fires") \ | |
2152 \ | |
2153 product(bool, PrintAdaptiveSizePolicy, false, \ | |
2154 "Print information about AdaptiveSizePolicy") \ | |
2155 \ | |
2156 product(intx, PrefetchCopyIntervalInBytes, -1, \ | |
2157 "How far ahead to prefetch destination area (<= 0 means off)") \ | |
2158 \ | |
2159 product(intx, PrefetchScanIntervalInBytes, -1, \ | |
2160 "How far ahead to prefetch scan area (<= 0 means off)") \ | |
2161 \ | |
2162 product(intx, PrefetchFieldsAhead, -1, \ | |
2163 "How many fields ahead to prefetch in oop scan (<= 0 means off)") \ | |
2164 \ | |
10186
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|
2165 diagnostic(bool, VerifySilently, false, \ |
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2166 "Do not print the verification progress") \ |
10186
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|
2167 \ |
9071
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|
2168 diagnostic(bool, VerifyDuringStartup, false, \ |
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|
2169 "Verify memory system before executing any Java code " \ |
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|
2170 "during VM initialization") \ |
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|
2171 \ |
0 | 2172 diagnostic(bool, VerifyBeforeExit, trueInDebug, \ |
2173 "Verify system before exiting") \ | |
2174 \ | |
2175 diagnostic(bool, VerifyBeforeGC, false, \ | |
2176 "Verify memory system before GC") \ | |
2177 \ | |
2178 diagnostic(bool, VerifyAfterGC, false, \ | |
2179 "Verify memory system after GC") \ | |
2180 \ | |
2181 diagnostic(bool, VerifyDuringGC, false, \ | |
2182 "Verify memory system during GC (between phases)") \ | |
2183 \ | |
390 | 2184 diagnostic(bool, GCParallelVerificationEnabled, true, \ |
2185 "Enable parallel memory system verification") \ | |
2186 \ | |
1166 | 2187 diagnostic(bool, DeferInitialCardMark, false, \ |
2188 "When +ReduceInitialCardMarks, explicitly defer any that " \ | |
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2189 "may arise from new_pre_store_barrier") \ |
1166 | 2190 \ |
0 | 2191 diagnostic(bool, VerifyRememberedSets, false, \ |
2192 "Verify GC remembered sets") \ | |
2193 \ | |
2194 diagnostic(bool, VerifyObjectStartArray, true, \ | |
2195 "Verify GC object start array if verify before/after") \ | |
2196 \ | |
2197 product(bool, DisableExplicitGC, false, \ | |
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2198 "Ignore calls to System.gc()") \ |
0 | 2199 \ |
2200 notproduct(bool, CheckMemoryInitialization, false, \ | |
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2201 "Check memory initialization") \ |
0 | 2202 \ |
2203 product(bool, CollectGen0First, false, \ | |
2204 "Collect youngest generation before each full GC") \ | |
2205 \ | |
2206 diagnostic(bool, BindCMSThreadToCPU, false, \ | |
2207 "Bind CMS Thread to CPU if possible") \ | |
2208 \ | |
2209 diagnostic(uintx, CPUForCMSThread, 0, \ | |
2210 "When BindCMSThreadToCPU is true, the CPU to bind CMS thread to") \ | |
2211 \ | |
2212 product(bool, BindGCTaskThreadsToCPUs, false, \ | |
2213 "Bind GCTaskThreads to CPUs if possible") \ | |
2214 \ | |
2215 product(bool, UseGCTaskAffinity, false, \ | |
2216 "Use worker affinity when asking for GCTasks") \ | |
2217 \ | |
2218 product(uintx, ProcessDistributionStride, 4, \ | |
2219 "Stride through processors when distributing processes") \ | |
2220 \ | |
2221 product(uintx, CMSCoordinatorYieldSleepCount, 10, \ | |
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|
2222 "Number of times the coordinator GC thread will sleep while " \ |
0 | 2223 "yielding before giving up and resuming GC") \ |
2224 \ | |
2225 product(uintx, CMSYieldSleepCount, 0, \ | |
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2226 "Number of times a GC thread (minus the coordinator) " \ |
0 | 2227 "will sleep while yielding before giving up and resuming GC") \ |
2228 \ | |
2229 /* gc tracing */ \ | |
2230 manageable(bool, PrintGC, false, \ | |
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2231 "Print message at garbage collection") \ |
0 | 2232 \ |
2233 manageable(bool, PrintGCDetails, false, \ | |
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2234 "Print more details at garbage collection") \ |
0 | 2235 \ |
2236 manageable(bool, PrintGCDateStamps, false, \ | |
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2237 "Print date stamps at garbage collection") \ |
0 | 2238 \ |
2239 manageable(bool, PrintGCTimeStamps, false, \ | |
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2240 "Print timestamps at garbage collection") \ |
0 | 2241 \ |
2242 product(bool, PrintGCTaskTimeStamps, false, \ | |
2243 "Print timestamps for individual gc worker thread tasks") \ | |
2244 \ | |
2245 develop(intx, ConcGCYieldTimeout, 0, \ | |
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2246 "If non-zero, assert that GC threads yield within this " \ |
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2247 "number of milliseconds") \ |
0 | 2248 \ |
2249 notproduct(bool, TraceMarkSweep, false, \ | |
2250 "Trace mark sweep") \ | |
2251 \ | |
2252 product(bool, PrintReferenceGC, false, \ | |
2253 "Print times spent handling reference objects during GC " \ | |
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2254 "(enabled only when PrintGCDetails)") \ |
0 | 2255 \ |
2256 develop(bool, TraceReferenceGC, false, \ | |
2257 "Trace handling of soft/weak/final/phantom references") \ | |
2258 \ | |
2259 develop(bool, TraceFinalizerRegistration, false, \ | |
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2260 "Trace registration of final references") \ |
0 | 2261 \ |
2262 notproduct(bool, TraceScavenge, false, \ | |
2263 "Trace scavenge") \ | |
2264 \ | |
2265 product_rw(bool, TraceClassLoading, false, \ | |
2266 "Trace all classes loaded") \ | |
2267 \ | |
2268 product(bool, TraceClassLoadingPreorder, false, \ | |
2269 "Trace all classes loaded in order referenced (not loaded)") \ | |
2270 \ | |
2271 product_rw(bool, TraceClassUnloading, false, \ | |
2272 "Trace unloading of classes") \ | |
2273 \ | |
2274 product_rw(bool, TraceLoaderConstraints, false, \ | |
2275 "Trace loader constraints") \ | |
2276 \ | |
6725
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2277 develop(bool, TraceClassLoaderData, false, \ |
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2278 "Trace class loader loader_data lifetime") \ |
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2279 \ |
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2280 product(uintx, InitialBootClassLoaderMetaspaceSize, \ |
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|
2281 NOT_LP64(2200*K) LP64_ONLY(4*M), \ |
6725
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2282 "Initial size of the boot class loader data metaspace") \ |
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2283 \ |
0 | 2284 product(bool, TraceGen0Time, false, \ |
2285 "Trace accumulated time for Gen 0 collection") \ | |
2286 \ | |
2287 product(bool, TraceGen1Time, false, \ | |
2288 "Trace accumulated time for Gen 1 collection") \ | |
2289 \ | |
2290 product(bool, PrintTenuringDistribution, false, \ | |
2291 "Print tenuring age information") \ | |
2292 \ | |
2293 product_rw(bool, PrintHeapAtGC, false, \ | |
2294 "Print heap layout before and after each GC") \ | |
2295 \ | |
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2296 product_rw(bool, PrintHeapAtGCExtended, false, \ |
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2297 "Print extended information about the layout of the heap " \ |
838
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|
2298 "when -XX:+PrintHeapAtGC is set") \ |
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|
2299 \ |
0 | 2300 product(bool, PrintHeapAtSIGBREAK, true, \ |
2301 "Print heap layout in response to SIGBREAK") \ | |
2302 \ | |
615
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|
2303 manageable(bool, PrintClassHistogramBeforeFullGC, false, \ |
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|
2304 "Print a class histogram before any major stop-world GC") \ |
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|
2305 \ |
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|
2306 manageable(bool, PrintClassHistogramAfterFullGC, false, \ |
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|
2307 "Print a class histogram after any major stop-world GC") \ |
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|
2308 \ |
0 | 2309 manageable(bool, PrintClassHistogram, false, \ |
2310 "Print a histogram of class instances") \ | |
2311 \ | |
2312 develop(bool, TraceWorkGang, false, \ | |
2313 "Trace activities of work gangs") \ | |
2314 \ | |
2315 product(bool, TraceParallelOldGCTasks, false, \ | |
2316 "Trace multithreaded GC activity") \ | |
2317 \ | |
2318 develop(bool, TraceBlockOffsetTable, false, \ | |
2319 "Print BlockOffsetTable maps") \ | |
2320 \ | |
2321 develop(bool, TraceCardTableModRefBS, false, \ | |
2322 "Print CardTableModRefBS maps") \ | |
2323 \ | |
2324 develop(bool, TraceGCTaskManager, false, \ | |
2325 "Trace actions of the GC task manager") \ | |
2326 \ | |
2327 develop(bool, TraceGCTaskQueue, false, \ | |
2328 "Trace actions of the GC task queues") \ | |
2329 \ | |
6818 | 2330 diagnostic(bool, TraceGCTaskThread, false, \ |
0 | 2331 "Trace actions of the GC task threads") \ |
2332 \ | |
2333 product(bool, PrintParallelOldGCPhaseTimes, false, \ | |
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2334 "Print the time taken by each phase in ParallelOldGC " \ |
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2335 "(PrintGCDetails must also be enabled)") \ |
0 | 2336 \ |
2337 develop(bool, TraceParallelOldGCMarkingPhase, false, \ | |
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2338 "Trace marking phase in ParallelOldGC") \ |
0 | 2339 \ |
2340 develop(bool, TraceParallelOldGCSummaryPhase, false, \ | |
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2341 "Trace summary phase in ParallelOldGC") \ |
0 | 2342 \ |
2343 develop(bool, TraceParallelOldGCCompactionPhase, false, \ | |
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2344 "Trace compaction phase in ParallelOldGC") \ |
0 | 2345 \ |
2346 develop(bool, TraceParallelOldGCDensePrefix, false, \ | |
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2347 "Trace dense prefix computation for ParallelOldGC") \ |
0 | 2348 \ |
2349 develop(bool, IgnoreLibthreadGPFault, false, \ | |
2350 "Suppress workaround for libthread GP fault") \ | |
2351 \ | |
139
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2352 product(bool, PrintJNIGCStalls, false, \ |
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2353 "Print diagnostic message when GC is stalled " \ |
139
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2354 "by JNI critical section") \ |
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2355 \ |
10405 | 2356 experimental(double, ObjectCountCutOffPercent, 0.5, \ |
2357 "The percentage of the used heap that the instances of a class " \ | |
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2358 "must occupy for the class to generate a trace event") \ |
10405 | 2359 \ |
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2360 /* GC log rotation setting */ \ |
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2361 \ |
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|
2362 product(bool, UseGCLogFileRotation, false, \ |
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2363 "Rotate gclog files (for long running applications). It requires "\ |
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2364 "-Xloggc:<filename>") \ |
3767
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2365 \ |
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2366 product(uintx, NumberOfGCLogFiles, 0, \ |
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2367 "Number of gclog files in rotation " \ |
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2368 "(default: 0, no rotation)") \ |
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2369 \ |
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2370 product(uintx, GCLogFileSize, 0, \ |
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2371 "GC log file size (default: 0 bytes, no rotation). " \ |
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2372 "It requires UseGCLogFileRotation") \ |
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2373 \ |
0 | 2374 /* JVMTI heap profiling */ \ |
2375 \ | |
2376 diagnostic(bool, TraceJVMTIObjectTagging, false, \ | |
2377 "Trace JVMTI object tagging calls") \ | |
2378 \ | |
2379 diagnostic(bool, VerifyBeforeIteration, false, \ | |
2380 "Verify memory system before JVMTI iteration") \ | |
2381 \ | |
2382 /* compiler interface */ \ | |
2383 \ | |
2384 develop(bool, CIPrintCompilerName, false, \ | |
2385 "when CIPrint is active, print the name of the active compiler") \ | |
2386 \ | |
2387 develop(bool, CIPrintCompileQueue, false, \ | |
2388 "display the contents of the compile queue whenever a " \ | |
2389 "compilation is enqueued") \ | |
2390 \ | |
2391 develop(bool, CIPrintRequests, false, \ | |
2392 "display every request for compilation") \ | |
2393 \ | |
2394 product(bool, CITime, false, \ | |
2395 "collect timing information for compilation") \ | |
2396 \ | |
2397 develop(bool, CITimeEach, false, \ | |
2398 "display timing information after each successful compilation") \ | |
2399 \ | |
6843 | 2400 develop(bool, CICountOSR, false, \ |
0 | 2401 "use a separate counter when assigning ids to osr compilations") \ |
2402 \ | |
2403 develop(bool, CICompileNatives, true, \ | |
2404 "compile native methods if supported by the compiler") \ | |
2405 \ | |
2406 develop_pd(bool, CICompileOSR, \ | |
2407 "compile on stack replacement methods if supported by the " \ | |
2408 "compiler") \ | |
2409 \ | |
2410 develop(bool, CIPrintMethodCodes, false, \ | |
2411 "print method bytecodes of the compiled code") \ | |
2412 \ | |
2413 develop(bool, CIPrintTypeFlow, false, \ | |
2414 "print the results of ciTypeFlow analysis") \ | |
2415 \ | |
2416 develop(bool, CITraceTypeFlow, false, \ | |
2417 "detailed per-bytecode tracing of ciTypeFlow analysis") \ | |
2418 \ | |
2403 | 2419 develop(intx, OSROnlyBCI, -1, \ |
2420 "OSR only at this bci. Negative values mean exclude that bci") \ | |
2421 \ | |
0 | 2422 /* compiler */ \ |
2423 \ | |
2424 product(intx, CICompilerCount, CI_COMPILER_COUNT, \ | |
2425 "Number of compiler threads to run") \ | |
2426 \ | |
2427 product(intx, CompilationPolicyChoice, 0, \ | |
2428 "which compilation policy (0/1)") \ | |
2429 \ | |
2430 develop(bool, UseStackBanging, true, \ | |
2431 "use stack banging for stack overflow checks (required for " \ | |
2432 "proper StackOverflow handling; disable only to measure cost " \ | |
2433 "of stackbanging)") \ | |
2434 \ | |
2435 develop(bool, UseStrictFP, true, \ | |
2436 "use strict fp if modifier strictfp is set") \ | |
2437 \ | |
2438 develop(bool, GenerateSynchronizationCode, true, \ | |
2439 "generate locking/unlocking code for synchronized methods and " \ | |
2440 "monitors") \ | |
2441 \ | |
2442 develop(bool, GenerateCompilerNullChecks, true, \ | |
2443 "Generate explicit null checks for loads/stores/calls") \ | |
2444 \ | |
2445 develop(bool, GenerateRangeChecks, true, \ | |
2446 "Generate range checks for array accesses") \ | |
2447 \ | |
2448 develop_pd(bool, ImplicitNullChecks, \ | |
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2449 "Generate code for implicit null checks") \ |
0 | 2450 \ |
2451 product(bool, PrintSafepointStatistics, false, \ | |
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2452 "Print statistics about safepoint synchronization") \ |
0 | 2453 \ |
2454 product(intx, PrintSafepointStatisticsCount, 300, \ | |
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2455 "Total number of safepoint statistics collected " \ |
0 | 2456 "before printing them out") \ |
2457 \ | |
2458 product(intx, PrintSafepointStatisticsTimeout, -1, \ | |
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2459 "Print safepoint statistics only when safepoint takes " \ |
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2460 "more than PrintSafepointSatisticsTimeout in millis") \ |
0 | 2461 \ |
1321
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2462 product(bool, TraceSafepointCleanupTime, false, \ |
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2463 "Print the break down of clean up tasks performed during " \ |
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2464 "safepoint") \ |
1321
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2465 \ |
0 | 2466 product(bool, Inline, true, \ |
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2467 "Enable inlining") \ |
0 | 2468 \ |
2469 product(bool, ClipInlining, true, \ | |
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2470 "Clip inlining if aggregate method exceeds DesiredMethodLimit") \ |
0 | 2471 \ |
2472 develop(bool, UseCHA, true, \ | |
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2473 "Enable CHA") \ |
0 | 2474 \ |
2475 product(bool, UseTypeProfile, true, \ | |
2476 "Check interpreter profile for historically monomorphic calls") \ | |
2477 \ | |
2478 notproduct(bool, TimeCompiler, false, \ | |
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2479 "Time the compiler") \ |
0 | 2480 \ |
2481 diagnostic(bool, PrintInlining, false, \ | |
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2482 "Print inlining optimizations") \ |
0 | 2483 \ |
643
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|
2484 product(bool, UsePopCountInstruction, false, \ |
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6378821: bitCount() should use POPC on SPARC processors and AMD+10h
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diff
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|
2485 "Use population count instruction") \ |
c771b7f43bbf
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|
2486 \ |
0 | 2487 develop(bool, EagerInitialization, false, \ |
2488 "Eagerly initialize classes if possible") \ | |
2489 \ | |
2490 develop(bool, TraceMethodReplacement, false, \ | |
2491 "Print when methods are replaced do to recompilation") \ | |
2492 \ | |
2493 develop(bool, PrintMethodFlushing, false, \ | |
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2494 "Print the nmethods being flushed") \ |
0 | 2495 \ |
2496 develop(bool, UseRelocIndex, false, \ | |
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2497 "Use an index to speed random access to relocations") \ |
0 | 2498 \ |
2499 develop(bool, StressCodeBuffers, false, \ | |
12836
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2500 "Exercise code buffer expansion and other rare state changes") \ |
0 | 2501 \ |
2502 diagnostic(bool, DebugNonSafepoints, trueInDebug, \ | |
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2503 "Generate extra debugging information for non-safepoints in " \ |
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|
2504 "nmethods") \ |
0 | 2505 \ |
4066 | 2506 product(bool, PrintVMOptions, false, \ |
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2507 "Print flags that appeared on the command line") \ |
0 | 2508 \ |
564 | 2509 product(bool, IgnoreUnrecognizedVMOptions, false, \ |
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2510 "Ignore unrecognized VM options") \ |
564 | 2511 \ |
1150 | 2512 product(bool, PrintCommandLineFlags, false, \ |
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2513 "Print flags specified on command line or set by ergonomics") \ |
1150 | 2514 \ |
2515 product(bool, PrintFlagsInitial, false, \ | |
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2516 "Print all VM flags before argument processing and exit VM") \ |
1150 | 2517 \ |
2518 product(bool, PrintFlagsFinal, false, \ | |
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|
2519 "Print all VM flags after argument and ergonomic processing") \ |
1150 | 2520 \ |
1768
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|
2521 notproduct(bool, PrintFlagsWithComments, false, \ |
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2522 "Print all VM flags with default values and descriptions and " \ |
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2523 "exit") \ |
1768
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|
2524 \ |
0 | 2525 diagnostic(bool, SerializeVMOutput, true, \ |
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2526 "Use a mutex to serialize output to tty and LogFile") \ |
0 | 2527 \ |
2528 diagnostic(bool, DisplayVMOutput, true, \ | |
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2529 "Display all VM output on the tty, independently of LogVMOutput") \ |
0 | 2530 \ |
12257
01b268b3080a
8023134: Rename VM LogFile to hotspot_pid{pid}.log (was hotspot.log)
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|
2531 diagnostic(bool, LogVMOutput, false, \ |
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|
2532 "Save VM output to LogFile") \ |
0 | 2533 \ |
2534 diagnostic(ccstr, LogFile, NULL, \ | |
12836
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|
2535 "If LogVMOutput or LogCompilation is on, save VM output to " \ |
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|
2536 "this file [default: ./hotspot_pid%p.log] (%p replaced with pid)")\ |
0 | 2537 \ |
2538 product(ccstr, ErrorFile, NULL, \ | |
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|
2539 "If an error occurs, save the error data to this file " \ |
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|
2540 "[default: ./hs_err_pid%p.log] (%p replaced with pid)") \ |
0 | 2541 \ |
2542 product(bool, DisplayVMOutputToStderr, false, \ | |
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|
2543 "If DisplayVMOutput is true, display all VM output to stderr") \ |
0 | 2544 \ |
2545 product(bool, DisplayVMOutputToStdout, false, \ | |
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|
2546 "If DisplayVMOutput is true, display all VM output to stdout") \ |
0 | 2547 \ |
2548 product(bool, UseHeavyMonitors, false, \ | |
2549 "use heavyweight instead of lightweight Java monitors") \ | |
2550 \ | |
6162 | 2551 product(bool, PrintStringTableStatistics, false, \ |
2552 "print statistics about the StringTable and SymbolTable") \ | |
2553 \ | |
12275
63147986a428
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|
2554 diagnostic(bool, VerifyStringTableAtExit, false, \ |
63147986a428
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|
2555 "verify StringTable contents at exit") \ |
63147986a428
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|
2556 \ |
0 | 2557 notproduct(bool, PrintSymbolTableSizeHistogram, false, \ |
2558 "print histogram of the symbol table") \ | |
2559 \ | |
2560 notproduct(bool, ExitVMOnVerifyError, false, \ | |
2561 "standard exit from VM if bytecode verify error " \ | |
2562 "(only in debug mode)") \ | |
2563 \ | |
2564 notproduct(ccstr, AbortVMOnException, NULL, \ | |
2565 "Call fatal if this exception is thrown. Example: " \ | |
2566 "java -XX:AbortVMOnException=java.lang.NullPointerException Foo") \ | |
2567 \ | |
1684
66c5dadb4d61
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1660
diff
changeset
|
2568 notproduct(ccstr, AbortVMOnExceptionMessage, NULL, \ |
66c5dadb4d61
6973308: Missing zero length check before repne scas in check_klass_subtype_slow_path()
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1660
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|
2569 "Call fatal if the exception pointed by AbortVMOnException " \ |
12836
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|
2570 "has this message") \ |
1684
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|
2571 \ |
0 | 2572 develop(bool, DebugVtables, false, \ |
2573 "add debugging code to vtable dispatch") \ | |
2574 \ | |
2575 develop(bool, PrintVtables, false, \ | |
2576 "print vtables when printing klass") \ | |
2577 \ | |
2578 notproduct(bool, PrintVtableStats, false, \ | |
2579 "print vtables stats at end of run") \ | |
2580 \ | |
2581 develop(bool, TraceCreateZombies, false, \ | |
2582 "trace creation of zombie nmethods") \ | |
2583 \ | |
2584 notproduct(bool, IgnoreLockingAssertions, false, \ | |
2585 "disable locking assertions (for speed)") \ | |
2586 \ | |
2587 product(bool, RangeCheckElimination, true, \ | |
8860 | 2588 "Eliminate range checks") \ |
0 | 2589 \ |
2590 develop_pd(bool, UncommonNullCast, \ | |
2591 "track occurrences of null in casts; adjust compiler tactics") \ | |
2592 \ | |
2593 develop(bool, TypeProfileCasts, true, \ | |
2594 "treat casts like calls for purposes of type profiling") \ | |
2595 \ | |
2596 develop(bool, DelayCompilationDuringStartup, true, \ | |
2597 "Delay invoking the compiler until main application class is " \ | |
2598 "loaded") \ | |
2599 \ | |
2600 develop(bool, CompileTheWorld, false, \ | |
2601 "Compile all methods in all classes in bootstrap class path " \ | |
2602 "(stress test)") \ | |
2603 \ | |
2604 develop(bool, CompileTheWorldPreloadClasses, true, \ | |
2605 "Preload all classes used by a class before start loading") \ | |
2606 \ | |
1188
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2607 notproduct(intx, CompileTheWorldSafepointInterval, 100, \ |
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2608 "Force a safepoint every n compiles so sweeper can keep up") \ |
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|
2609 \ |
0 | 2610 develop(bool, FillDelaySlots, true, \ |
2611 "Fill delay slots (on SPARC only)") \ | |
2612 \ | |
2613 develop(bool, TimeLivenessAnalysis, false, \ | |
2614 "Time computation of bytecode liveness analysis") \ | |
2615 \ | |
2616 develop(bool, TraceLivenessGen, false, \ | |
2617 "Trace the generation of liveness analysis information") \ | |
2618 \ | |
2619 notproduct(bool, TraceLivenessQuery, false, \ | |
2620 "Trace queries of liveness analysis information") \ | |
2621 \ | |
2622 notproduct(bool, CollectIndexSetStatistics, false, \ | |
2623 "Collect information about IndexSets") \ | |
2624 \ | |
2625 develop(bool, UseLoopSafepoints, true, \ | |
2626 "Generate Safepoint nodes in every loop") \ | |
2627 \ | |
2628 develop(intx, FastAllocateSizeLimit, 128*K, \ | |
2629 /* Note: This value is zero mod 1<<13 for a cheap sparc set. */ \ | |
2630 "Inline allocations larger than this in doublewords must go slow")\ | |
2631 \ | |
2632 product(bool, AggressiveOpts, false, \ | |
2633 "Enable aggressive optimizations - see arguments.cpp") \ | |
2634 \ | |
2635 /* statistics */ \ | |
2636 develop(bool, CountCompiledCalls, false, \ | |
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2637 "Count method invocations") \ |
0 | 2638 \ |
2639 notproduct(bool, CountRuntimeCalls, false, \ | |
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|
2640 "Count VM runtime calls") \ |
0 | 2641 \ |
2642 develop(bool, CountJNICalls, false, \ | |
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|
2643 "Count jni method invocations") \ |
0 | 2644 \ |
2645 notproduct(bool, CountJVMCalls, false, \ | |
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|
2646 "Count jvm method invocations") \ |
0 | 2647 \ |
2648 notproduct(bool, CountRemovableExceptions, false, \ | |
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|
2649 "Count exceptions that could be replaced by branches due to " \ |
0 | 2650 "inlining") \ |
2651 \ | |
2652 notproduct(bool, ICMissHistogram, false, \ | |
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|
2653 "Produce histogram of IC misses") \ |
0 | 2654 \ |
2655 notproduct(bool, PrintClassStatistics, false, \ | |
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|
2656 "Print class statistics at end of run") \ |
0 | 2657 \ |
2658 notproduct(bool, PrintMethodStatistics, false, \ | |
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|
2659 "Print method statistics at end of run") \ |
0 | 2660 \ |
2661 /* interpreter */ \ | |
2662 develop(bool, ClearInterpreterLocals, false, \ | |
2663 "Always clear local variables of interpreter activations upon " \ | |
2664 "entry") \ | |
2665 \ | |
2666 product_pd(bool, RewriteBytecodes, \ | |
2667 "Allow rewriting of bytecodes (bytecodes are not immutable)") \ | |
2668 \ | |
2669 product_pd(bool, RewriteFrequentPairs, \ | |
2670 "Rewrite frequently used bytecode pairs into a single bytecode") \ | |
2671 \ | |
100
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|
2672 diagnostic(bool, PrintInterpreter, false, \ |
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|
2673 "Print the generated interpreter code") \ |
0 | 2674 \ |
2675 product(bool, UseInterpreter, true, \ | |
2676 "Use interpreter for non-compiled methods") \ | |
2677 \ | |
2678 develop(bool, UseFastSignatureHandlers, true, \ | |
2679 "Use fast signature handlers for native calls") \ | |
2680 \ | |
2681 product(bool, UseLoopCounter, true, \ | |
2682 "Increment invocation counter on backward branch") \ | |
2683 \ | |
2684 product(bool, UseFastEmptyMethods, true, \ | |
2685 "Use fast method entry code for empty methods") \ | |
2686 \ | |
2687 product(bool, UseFastAccessorMethods, true, \ | |
2688 "Use fast method entry code for accessor methods") \ | |
2689 \ | |
2690 product_pd(bool, UseOnStackReplacement, \ | |
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|
2691 "Use on stack replacement, calls runtime if invoc. counter " \ |
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|
2692 "overflows in loop") \ |
0 | 2693 \ |
2694 notproduct(bool, TraceOnStackReplacement, false, \ | |
2695 "Trace on stack replacement") \ | |
2696 \ | |
2697 product_pd(bool, PreferInterpreterNativeStubs, \ | |
2698 "Use always interpreter stubs for native methods invoked via " \ | |
2699 "interpreter") \ | |
2700 \ | |
2701 develop(bool, CountBytecodes, false, \ | |
2702 "Count number of bytecodes executed") \ | |
2703 \ | |
2704 develop(bool, PrintBytecodeHistogram, false, \ | |
2705 "Print histogram of the executed bytecodes") \ | |
2706 \ | |
2707 develop(bool, PrintBytecodePairHistogram, false, \ | |
2708 "Print histogram of the executed bytecode pairs") \ | |
2709 \ | |
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|
2710 diagnostic(bool, PrintSignatureHandlers, false, \ |
0 | 2711 "Print code generated for native method signature handlers") \ |
2712 \ | |
2713 develop(bool, VerifyOops, false, \ | |
2714 "Do plausibility checks for oops") \ | |
2715 \ | |
2716 develop(bool, CheckUnhandledOops, false, \ | |
2717 "Check for unhandled oops in VM code") \ | |
2718 \ | |
2719 develop(bool, VerifyJNIFields, trueInDebug, \ | |
2720 "Verify jfieldIDs for instance fields") \ | |
2721 \ | |
2722 notproduct(bool, VerifyJNIEnvThread, false, \ | |
2723 "Verify JNIEnv.thread == Thread::current() when entering VM " \ | |
2724 "from JNI") \ | |
2725 \ | |
2726 develop(bool, VerifyFPU, false, \ | |
2727 "Verify FPU state (check for NaN's, etc.)") \ | |
2728 \ | |
2729 develop(bool, VerifyThread, false, \ | |
2730 "Watch the thread register for corruption (SPARC only)") \ | |
2731 \ | |
2732 develop(bool, VerifyActivationFrameSize, false, \ | |
2733 "Verify that activation frame didn't become smaller than its " \ | |
2734 "minimal size") \ | |
2735 \ | |
2736 develop(bool, TraceFrequencyInlining, false, \ | |
2737 "Trace frequency based inlining") \ | |
2738 \ | |
2739 develop_pd(bool, InlineIntrinsics, \ | |
12836
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|
2740 "Inline intrinsics that can be statically resolved") \ |
0 | 2741 \ |
2742 product_pd(bool, ProfileInterpreter, \ | |
12836
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|
2743 "Profile at the bytecode level during interpretation") \ |
0 | 2744 \ |
2745 develop_pd(bool, ProfileTraps, \ | |
2746 "Profile deoptimization traps at the bytecode level") \ | |
2747 \ | |
2748 product(intx, ProfileMaturityPercentage, 20, \ | |
2749 "number of method invocations/branches (expressed as % of " \ | |
2750 "CompileThreshold) before using the method's profile") \ | |
2751 \ | |
2752 develop(bool, PrintMethodData, false, \ | |
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|
2753 "Print the results of +ProfileInterpreter at end of run") \ |
0 | 2754 \ |
2755 develop(bool, VerifyDataPointer, trueInDebug, \ | |
2756 "Verify the method data pointer during interpreter profiling") \ | |
2757 \ | |
2758 develop(bool, VerifyCompiledCode, false, \ | |
2759 "Include miscellaneous runtime verifications in nmethod code; " \ | |
1064 | 2760 "default off because it disturbs nmethod size heuristics") \ |
0 | 2761 \ |
1119
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|
2762 notproduct(bool, CrashGCForDumpingJavaThread, false, \ |
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diff
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|
2763 "Manually make GC thread crash then dump java stack trace; " \ |
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|
2764 "Test only") \ |
0 | 2765 \ |
2766 /* compilation */ \ | |
2767 product(bool, UseCompiler, true, \ | |
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|
2768 "Use Just-In-Time compilation") \ |
0 | 2769 \ |
2770 develop(bool, TraceCompilationPolicy, false, \ | |
2771 "Trace compilation policy") \ | |
2772 \ | |
2773 develop(bool, TimeCompilationPolicy, false, \ | |
2774 "Time the compilation policy") \ | |
2775 \ | |
2776 product(bool, UseCounterDecay, true, \ | |
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|
2777 "Adjust recompilation counters") \ |
0 | 2778 \ |
2779 develop(intx, CounterHalfLifeTime, 30, \ | |
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|
2780 "Half-life time of invocation counters (in seconds)") \ |
0 | 2781 \ |
2782 develop(intx, CounterDecayMinIntervalLength, 500, \ | |
12836
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|
2783 "The minimum interval (in milliseconds) between invocation of " \ |
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|
2784 "CounterDecay") \ |
0 | 2785 \ |
2786 product(bool, AlwaysCompileLoopMethods, false, \ | |
12836
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2787 "When using recompilation, never interpret methods " \ |
0 | 2788 "containing loops") \ |
2789 \ | |
2790 product(bool, DontCompileHugeMethods, true, \ | |
12836
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|
2791 "Do not compile methods > HugeMethodLimit") \ |
0 | 2792 \ |
2793 /* Bytecode escape analysis estimation. */ \ | |
2794 product(bool, EstimateArgEscape, true, \ | |
2795 "Analyze bytecodes to estimate escape state of arguments") \ | |
2796 \ | |
2797 product(intx, BCEATraceLevel, 0, \ | |
2798 "How much tracing to do of bytecode escape analysis estimates") \ | |
2799 \ | |
2800 product(intx, MaxBCEAEstimateLevel, 5, \ | |
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|
2801 "Maximum number of nested calls that are analyzed by BC EA") \ |
0 | 2802 \ |
2803 product(intx, MaxBCEAEstimateSize, 150, \ | |
12836
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|
2804 "Maximum bytecode size of a method to be analyzed by BC EA") \ |
0 | 2805 \ |
2806 product(intx, AllocatePrefetchStyle, 1, \ | |
2807 "0 = no prefetch, " \ | |
2808 "1 = prefetch instructions for each allocation, " \ | |
1367
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|
2809 "2 = use TLAB watermark to gate allocation prefetch, " \ |
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1366
diff
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|
2810 "3 = use BIS instruction on Sparc for allocation prefetch") \ |
0 | 2811 \ |
2812 product(intx, AllocatePrefetchDistance, -1, \ | |
2813 "Distance to prefetch ahead of allocation pointer") \ | |
2814 \ | |
3854 | 2815 product(intx, AllocatePrefetchLines, 3, \ |
2816 "Number of lines to prefetch ahead of array allocation pointer") \ | |
2817 \ | |
2818 product(intx, AllocateInstancePrefetchLines, 1, \ | |
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|
2819 "Number of lines to prefetch ahead of instance allocation " \ |
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|
2820 "pointer") \ |
0 | 2821 \ |
2822 product(intx, AllocatePrefetchStepSize, 16, \ | |
2823 "Step size in bytes of sequential prefetch instructions") \ | |
2824 \ | |
2825 product(intx, AllocatePrefetchInstr, 0, \ | |
2826 "Prefetch instruction to prefetch ahead of allocation pointer") \ | |
2827 \ | |
2828 /* deoptimization */ \ | |
2829 develop(bool, TraceDeoptimization, false, \ | |
2830 "Trace deoptimization") \ | |
2831 \ | |
2832 develop(bool, DebugDeoptimization, false, \ | |
2833 "Tracing various information while debugging deoptimization") \ | |
2834 \ | |
2835 product(intx, SelfDestructTimer, 0, \ | |
2836 "Will cause VM to terminate after a given time (in minutes) " \ | |
2837 "(0 means off)") \ | |
2838 \ | |
2839 product(intx, MaxJavaStackTraceDepth, 1024, \ | |
12836
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|
2840 "The maximum number of lines in the stack trace for Java " \ |
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|
2841 "exceptions (0 means all)") \ |
0 | 2842 \ |
3328
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3255
diff
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|
2843 NOT_EMBEDDED(diagnostic(intx, GuaranteedSafepointInterval, 1000, \ |
0 | 2844 "Guarantee a safepoint (at least) every so many milliseconds " \ |
2192
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|
2845 "(0 means none)")) \ |
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|
2846 \ |
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|
2847 EMBEDDED_ONLY(product(intx, GuaranteedSafepointInterval, 0, \ |
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|
2848 "Guarantee a safepoint (at least) every so many milliseconds " \ |
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|
2849 "(0 means none)")) \ |
0 | 2850 \ |
2851 product(intx, SafepointTimeoutDelay, 10000, \ | |
2852 "Delay in milliseconds for option SafepointTimeout") \ | |
2853 \ | |
6818 | 2854 product(intx, NmethodSweepFraction, 16, \ |
0 | 2855 "Number of invocations of sweeper to cover all nmethods") \ |
2856 \ | |
1538
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1513
diff
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|
2857 product(intx, NmethodSweepCheckInterval, 5, \ |
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parents:
1513
diff
changeset
|
2858 "Compilers wake up every n seconds to possibly sweep nmethods") \ |
bfe29ec02863
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parents:
1513
diff
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|
2859 \ |
3384
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parents:
3373
diff
changeset
|
2860 notproduct(bool, LogSweeper, false, \ |
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|
2861 "Keep a ring buffer of sweeper activity") \ |
3384
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parents:
3373
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|
2862 \ |
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3373
diff
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|
2863 notproduct(intx, SweeperLogEntries, 1024, \ |
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|
2864 "Number of records in the ring buffer of sweeper activity") \ |
3384
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diff
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|
2865 \ |
0 | 2866 notproduct(intx, MemProfilingInterval, 500, \ |
2867 "Time between each invocation of the MemProfiler") \ | |
2868 \ | |
2869 develop(intx, MallocCatchPtr, -1, \ | |
2870 "Hit breakpoint when mallocing/freeing this pointer") \ | |
2871 \ | |
2872 notproduct(intx, AssertRepeat, 1, \ | |
2873 "number of times to evaluate expression in assert " \ | |
2874 "(to estimate overhead); only works with -DUSE_REPEATED_ASSERTS") \ | |
2875 \ | |
2876 notproduct(ccstrlist, SuppressErrorAt, "", \ | |
2877 "List of assertions (file:line) to muzzle") \ | |
2878 \ | |
2879 notproduct(uintx, HandleAllocationLimit, 1024, \ | |
2880 "Threshold for HandleMark allocation when +TraceHandleAllocation "\ | |
2881 "is used") \ | |
2882 \ | |
2883 develop(uintx, TotalHandleAllocationLimit, 1024, \ | |
2884 "Threshold for total handle allocation when " \ | |
2885 "+TraceHandleAllocation is used") \ | |
2886 \ | |
2887 develop(intx, StackPrintLimit, 100, \ | |
2888 "number of stack frames to print in VM-level stack dump") \ | |
2889 \ | |
2890 notproduct(intx, MaxElementPrintSize, 256, \ | |
2891 "maximum number of elements to print") \ | |
2892 \ | |
2893 notproduct(intx, MaxSubklassPrintSize, 4, \ | |
2894 "maximum number of subklasses to print when printing klass") \ | |
2895 \ | |
1157
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|
2896 product(intx, MaxInlineLevel, 9, \ |
0 | 2897 "maximum number of nested calls that are inlined") \ |
2898 \ | |
1157
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|
2899 product(intx, MaxRecursiveInlineLevel, 1, \ |
0 | 2900 "maximum number of nested recursive calls that are inlined") \ |
2901 \ | |
675 | 2902 product_pd(intx, InlineSmallCode, \ |
0 | 2903 "Only inline already compiled methods if their code size is " \ |
2904 "less than this") \ | |
2905 \ | |
2906 product(intx, MaxInlineSize, 35, \ | |
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|
2907 "The maximum bytecode size of a method to be inlined") \ |
0 | 2908 \ |
2909 product_pd(intx, FreqInlineSize, \ | |
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|
2910 "The maximum bytecode size of a frequent method to be inlined") \ |
0 | 2911 \ |
1157
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|
2912 product(intx, MaxTrivialSize, 6, \ |
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|
2913 "The maximum bytecode size of a trivial method to be inlined") \ |
0 | 2914 \ |
1157
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|
2915 product(intx, MinInliningThreshold, 250, \ |
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|
2916 "The minimum invocation count a method needs to have to be " \ |
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changeset
|
2917 "inlined") \ |
0 | 2918 \ |
2919 develop(intx, MethodHistogramCutoff, 100, \ | |
12836
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2920 "The cutoff value for method invocation histogram (+CountCalls)") \ |
0 | 2921 \ |
2922 develop(intx, ProfilerNumberOfInterpretedMethods, 25, \ | |
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|
2923 "Number of interpreted methods to show in profile") \ |
0 | 2924 \ |
2925 develop(intx, ProfilerNumberOfCompiledMethods, 25, \ | |
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|
2926 "Number of compiled methods to show in profile") \ |
0 | 2927 \ |
2928 develop(intx, ProfilerNumberOfStubMethods, 25, \ | |
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2929 "Number of stub methods to show in profile") \ |
0 | 2930 \ |
2931 develop(intx, ProfilerNumberOfRuntimeStubNodes, 25, \ | |
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2932 "Number of runtime stub nodes to show in profile") \ |
0 | 2933 \ |
2934 product(intx, ProfileIntervalsTicks, 100, \ | |
12836
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|
2935 "Number of ticks between printing of interval profile " \ |
0 | 2936 "(+ProfileIntervals)") \ |
2937 \ | |
2938 notproduct(intx, ScavengeALotInterval, 1, \ | |
2939 "Interval between which scavenge will occur with +ScavengeALot") \ | |
2940 \ | |
2941 notproduct(intx, FullGCALotInterval, 1, \ | |
2942 "Interval between which full gc will occur with +FullGCALot") \ | |
2943 \ | |
2944 notproduct(intx, FullGCALotStart, 0, \ | |
2945 "For which invocation to start FullGCAlot") \ | |
2946 \ | |
2947 notproduct(intx, FullGCALotDummies, 32*K, \ | |
2948 "Dummy object allocated with +FullGCALot, forcing all objects " \ | |
2949 "to move") \ | |
2950 \ | |
2951 develop(intx, DontYieldALotInterval, 10, \ | |
2952 "Interval between which yields will be dropped (milliseconds)") \ | |
2953 \ | |
2954 develop(intx, MinSleepInterval, 1, \ | |
2955 "Minimum sleep() interval (milliseconds) when " \ | |
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|
2956 "ConvertSleepToYield is off (used for Solaris)") \ |
0 | 2957 \ |
2958 develop(intx, ProfilerPCTickThreshold, 15, \ | |
2959 "Number of ticks in a PC buckets to be a hotspot") \ | |
2960 \ | |
2961 notproduct(intx, DeoptimizeALotInterval, 5, \ | |
2962 "Number of exits until DeoptimizeALot kicks in") \ | |
2963 \ | |
2964 notproduct(intx, ZombieALotInterval, 5, \ | |
2965 "Number of exits until ZombieALot kicks in") \ | |
2966 \ | |
2967 develop(bool, StressNonEntrant, false, \ | |
2968 "Mark nmethods non-entrant at registration") \ | |
2969 \ | |
2970 diagnostic(intx, MallocVerifyInterval, 0, \ | |
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|
2971 "If non-zero, verify C heap after every N calls to " \ |
0 | 2972 "malloc/realloc/free") \ |
2973 \ | |
2974 diagnostic(intx, MallocVerifyStart, 0, \ | |
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|
2975 "If non-zero, start verifying C heap after Nth call to " \ |
0 | 2976 "malloc/realloc/free") \ |
2977 \ | |
8802
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|
2978 diagnostic(uintx, MallocMaxTestWords, 0, \ |
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2979 "If non-zero, maximum number of words that malloc/realloc can " \ |
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2980 "allocate (for testing only)") \ |
8802
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|
2981 \ |
6818 | 2982 product(intx, TypeProfileWidth, 2, \ |
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2983 "Number of receiver types to record in call/cast profile") \ |
0 | 2984 \ |
2985 develop(intx, BciProfileWidth, 2, \ | |
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2986 "Number of return bci's to record in ret profile") \ |
0 | 2987 \ |
2988 product(intx, PerMethodRecompilationCutoff, 400, \ | |
2989 "After recompiling N times, stay in the interpreter (-1=>'Inf')") \ | |
2990 \ | |
1206
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|
2991 product(intx, PerBytecodeRecompilationCutoff, 200, \ |
0 | 2992 "Per-BCI limit on repeated recompilation (-1=>'Inf')") \ |
2993 \ | |
2994 product(intx, PerMethodTrapLimit, 100, \ | |
2995 "Limit on traps (of one kind) in a method (includes inlines)") \ | |
2996 \ | |
2997 product(intx, PerBytecodeTrapLimit, 4, \ | |
2998 "Limit on traps (of one kind) at a particular BCI") \ | |
2999 \ | |
3000 develop(intx, InlineFrequencyRatio, 20, \ | |
3001 "Ratio of call site execution to caller method invocation") \ | |
3002 \ | |
3003 develop_pd(intx, InlineFrequencyCount, \ | |
3004 "Count of call site execution necessary to trigger frequent " \ | |
3005 "inlining") \ | |
3006 \ | |
3007 develop(intx, InlineThrowCount, 50, \ | |
3008 "Force inlining of interpreted methods that throw this often") \ | |
3009 \ | |
3010 develop(intx, InlineThrowMaxSize, 200, \ | |
3011 "Force inlining of throwing methods smaller than this") \ | |
3012 \ | |
3013 develop(intx, ProfilerNodeSize, 1024, \ | |
3014 "Size in K to allocate for the Profile Nodes of each thread") \ | |
3015 \ | |
3016 product_pd(intx, PreInflateSpin, \ | |
3017 "Number of times to spin wait before inflation") \ | |
3018 \ | |
3019 /* gc parameters */ \ | |
1064 | 3020 product(uintx, InitialHeapSize, 0, \ |
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10208
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3021 "Initial heap size (in bytes); zero means use ergonomics") \ |
1064 | 3022 \ |
3023 product(uintx, MaxHeapSize, ScaleForWordSize(96*M), \ | |
3024 "Maximum heap size (in bytes)") \ | |
3025 \ | |
3026 product(uintx, OldSize, ScaleForWordSize(4*M), \ | |
3027 "Initial tenured generation size (in bytes)") \ | |
3028 \ | |
1287
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1211
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|
3029 product(uintx, NewSize, ScaleForWordSize(1*M), \ |
1064 | 3030 "Initial new generation size (in bytes)") \ |
0 | 3031 \ |
3032 product(uintx, MaxNewSize, max_uintx, \ | |
1064 | 3033 "Maximum new generation size (in bytes), max_uintx means set " \ |
3034 "ergonomically") \ | |
0 | 3035 \ |
3036 product(uintx, PretenureSizeThreshold, 0, \ | |
1064 | 3037 "Maximum size in bytes of objects allocated in DefNew " \ |
3038 "generation; zero means no maximum") \ | |
3039 \ | |
3040 product(uintx, TLABSize, 0, \ | |
3041 "Starting TLAB size (in bytes); zero means set ergonomically") \ | |
0 | 3042 \ |
3043 product(uintx, MinTLABSize, 2*K, \ | |
3044 "Minimum allowed TLAB size (in bytes)") \ | |
3045 \ | |
3046 product(uintx, TLABAllocationWeight, 35, \ | |
3047 "Allocation averaging weight") \ | |
3048 \ | |
3049 product(uintx, TLABWasteTargetPercent, 1, \ | |
3050 "Percentage of Eden that can be wasted") \ | |
3051 \ | |
3052 product(uintx, TLABRefillWasteFraction, 64, \ | |
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3053 "Maximum TLAB waste at a refill (internal fragmentation)") \ |
0 | 3054 \ |
3055 product(uintx, TLABWasteIncrement, 4, \ | |
3056 "Increment allowed waste at slow allocation") \ | |
3057 \ | |
8035 | 3058 product(uintx, SurvivorRatio, 8, \ |
0 | 3059 "Ratio of eden/survivor space size") \ |
3060 \ | |
8035 | 3061 product(uintx, NewRatio, 2, \ |
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|
3062 "Ratio of old/new generation sizes") \ |
0 | 3063 \ |
3064 product_pd(uintx, NewSizeThreadIncrease, \ | |
3065 "Additional size added to desired new generation size per " \ | |
3066 "non-daemon thread (in bytes)") \ | |
3067 \ | |
6725
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|
3068 product_pd(uintx, MetaspaceSize, \ |
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|
3069 "Initial size of Metaspaces (in bytes)") \ |
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|
3070 \ |
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|
3071 product(uintx, MaxMetaspaceSize, max_uintx, \ |
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|
3072 "Maximum size of Metaspaces (in bytes)") \ |
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|
3073 \ |
12226
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12154
diff
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|
3074 product(uintx, CompressedClassSpaceSize, 1*G, \ |
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12154
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|
3075 "Maximum size of class area in Metaspace when compressed " \ |
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diff
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|
3076 "class pointers are used") \ |
0 | 3077 \ |
3078 product(uintx, MinHeapFreeRatio, 40, \ | |
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|
3079 "The minimum percentage of heap free after GC to avoid expansion")\ |
0 | 3080 \ |
3081 product(uintx, MaxHeapFreeRatio, 70, \ | |
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|
3082 "The maximum percentage of heap free after GC to avoid shrinking")\ |
0 | 3083 \ |
3084 product(intx, SoftRefLRUPolicyMSPerMB, 1000, \ | |
3085 "Number of milliseconds per MB of free space in the heap") \ | |
3086 \ | |
3087 product(uintx, MinHeapDeltaBytes, ScaleForWordSize(128*K), \ | |
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|
3088 "The minimum change in heap space due to GC (in bytes)") \ |
0 | 3089 \ |
6818 | 3090 product(uintx, MinMetaspaceExpansion, ScaleForWordSize(256*K), \ |
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|
3091 "The minimum expansion of Metaspace (in bytes)") \ |
8040
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diff
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|
3092 \ |
a83cd101fd62
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diff
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|
3093 product(uintx, MinMetaspaceFreeRatio, 40, \ |
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|
3094 "The minimum percentage of Metaspace free after GC to avoid " \ |
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|
3095 "expansion") \ |
8040
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
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8035
diff
changeset
|
3096 \ |
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
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8035
diff
changeset
|
3097 product(uintx, MaxMetaspaceFreeRatio, 70, \ |
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|
3098 "The maximum percentage of Metaspace free after GC to avoid " \ |
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|
3099 "shrinking") \ |
0 | 3100 \ |
6818 | 3101 product(uintx, MaxMetaspaceExpansion, ScaleForWordSize(4*M), \ |
12836
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|
3102 "The maximum expansion of Metaspace without full GC (in bytes)") \ |
0 | 3103 \ |
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|
3104 product(uintx, QueuedAllocationWarningCount, 0, \ |
0 | 3105 "Number of times an allocation that queues behind a GC " \ |
3106 "will retry before printing a warning") \ | |
3107 \ | |
3108 diagnostic(uintx, VerifyGCStartAt, 0, \ | |
3109 "GC invoke count where +VerifyBefore/AfterGC kicks in") \ | |
3110 \ | |
3111 diagnostic(intx, VerifyGCLevel, 0, \ | |
3112 "Generation level at which to start +VerifyBefore/AfterGC") \ | |
3113 \ | |
6818 | 3114 product(uintx, MaxTenuringThreshold, 15, \ |
0 | 3115 "Maximum value for tenuring threshold") \ |
3116 \ | |
6818 | 3117 product(uintx, InitialTenuringThreshold, 7, \ |
0 | 3118 "Initial value for tenuring threshold") \ |
3119 \ | |
8035 | 3120 product(uintx, TargetSurvivorRatio, 50, \ |
0 | 3121 "Desired percentage of survivor space used after scavenge") \ |
3122 \ | |
438 | 3123 product(uintx, MarkSweepDeadRatio, 5, \ |
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|
3124 "Percentage (0-100) of the old gen allowed as dead wood. " \ |
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|
3125 "Serial mark sweep treats this as both the minimum and maximum " \ |
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|
3126 "value. " \ |
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|
3127 "CMS uses this value only if it falls back to mark sweep. " \ |
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|
3128 "Par compact uses a variable scale based on the density of the " \ |
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|
3129 "generation and treats this as the maximum value when the heap " \ |
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|
3130 "is either completely full or completely empty. Par compact " \ |
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|
3131 "also has a smaller default value; see arguments.cpp.") \ |
0 | 3132 \ |
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|
3133 product(uintx, MarkSweepAlwaysCompactCount, 4, \ |
0 | 3134 "How often should we fully compact the heap (ignoring the dead " \ |
3135 "space parameters)") \ | |
3136 \ | |
3137 product(intx, PrintCMSStatistics, 0, \ | |
3138 "Statistics for CMS") \ | |
3139 \ | |
3140 product(bool, PrintCMSInitiationStatistics, false, \ | |
3141 "Statistics for initiating a CMS collection") \ | |
3142 \ | |
3143 product(intx, PrintFLSStatistics, 0, \ | |
3144 "Statistics for CMS' FreeListSpace") \ | |
3145 \ | |
3146 product(intx, PrintFLSCensus, 0, \ | |
3147 "Census for CMS' FreeListSpace") \ | |
3148 \ | |
3149 develop(uintx, GCExpandToAllocateDelayMillis, 0, \ | |
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|
3150 "Delay between expansion and allocation (in milliseconds)") \ |
0 | 3151 \ |
6817 | 3152 develop(uintx, GCWorkerDelayMillis, 0, \ |
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|
3153 "Delay in scheduling GC workers (in milliseconds)") \ |
6817 | 3154 \ |
0 | 3155 product(intx, DeferThrSuspendLoopCount, 4000, \ |
3156 "(Unstable) Number of times to iterate in safepoint loop " \ | |
12836
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|
3157 "before blocking VM threads ") \ |
0 | 3158 \ |
3159 product(intx, DeferPollingPageLoopCount, -1, \ | |
3160 "(Unsafe,Unstable) Number of iterations in safepoint loop " \ | |
3161 "before changing safepoint polling page to RO ") \ | |
3162 \ | |
12836
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|
3163 product(intx, SafepointSpinBeforeYield, 2000, "(Unstable)") \ |
0 | 3164 \ |
3165 product(bool, PSChunkLargeArrays, true, \ | |
12836
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|
3166 "Process large arrays in chunks") \ |
0 | 3167 \ |
3168 product(uintx, GCDrainStackTargetSize, 64, \ | |
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|
3169 "Number of entries we will try to leave on the stack " \ |
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|
3170 "during parallel gc") \ |
0 | 3171 \ |
3172 /* stack parameters */ \ | |
3173 product_pd(intx, StackYellowPages, \ | |
3174 "Number of yellow zone (recoverable overflows) pages") \ | |
3175 \ | |
3176 product_pd(intx, StackRedPages, \ | |
3177 "Number of red zone (unrecoverable overflows) pages") \ | |
3178 \ | |
3179 product_pd(intx, StackShadowPages, \ | |
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|
3180 "Number of shadow zone (for overflow checking) pages " \ |
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|
3181 "this should exceed the depth of the VM and native call stack") \ |
0 | 3182 \ |
3183 product_pd(intx, ThreadStackSize, \ | |
3184 "Thread Stack Size (in Kbytes)") \ | |
3185 \ | |
3186 product_pd(intx, VMThreadStackSize, \ | |
3187 "Non-Java Thread Stack Size (in Kbytes)") \ | |
3188 \ | |
3189 product_pd(intx, CompilerThreadStackSize, \ | |
3190 "Compiler Thread Stack Size (in Kbytes)") \ | |
3191 \ | |
3192 develop_pd(uintx, JVMInvokeMethodSlack, \ | |
3193 "Stack space (bytes) required for JVM_InvokeMethod to complete") \ | |
3194 \ | |
3195 product(uintx, ThreadSafetyMargin, 50*M, \ | |
3196 "Thread safety margin is used on fixed-stack LinuxThreads (on " \ | |
3197 "Linux/x86 only) to prevent heap-stack collision. Set to 0 to " \ | |
3198 "disable this feature") \ | |
3199 \ | |
3200 /* code cache parameters */ \ | |
3201 develop(uintx, CodeCacheSegmentSize, 64, \ | |
3202 "Code cache segment size (in bytes) - smallest unit of " \ | |
3203 "allocation") \ | |
3204 \ | |
3205 develop_pd(intx, CodeEntryAlignment, \ | |
3206 "Code entry alignment for generated code (in bytes)") \ | |
3207 \ | |
1365 | 3208 product_pd(intx, OptoLoopAlignment, \ |
3209 "Align inner loops to zero relative to this modulus") \ | |
3210 \ | |
0 | 3211 product_pd(uintx, InitialCodeCacheSize, \ |
3212 "Initial code cache size (in bytes)") \ | |
3213 \ | |
11079
738e04fb1232
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anoll
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10405
diff
changeset
|
3214 develop_pd(uintx, CodeCacheMinimumUseSpace, \ |
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
10405
diff
changeset
|
3215 "Minimum code cache size (in bytes) required to start VM.") \ |
738e04fb1232
8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k
anoll
parents:
10405
diff
changeset
|
3216 \ |
0 | 3217 product_pd(uintx, ReservedCodeCacheSize, \ |
3218 "Reserved code cache size (in bytes) - maximum code cache size") \ | |
3219 \ | |
3220 product(uintx, CodeCacheMinimumFreeSpace, 500*K, \ | |
12836
b4d8a3d4db73
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tamao
parents:
12287
diff
changeset
|
3221 "When less than X space left, we stop compiling") \ |
0 | 3222 \ |
3223 product_pd(uintx, CodeCacheExpansionSize, \ | |
3224 "Code cache expansion size (in bytes)") \ | |
3225 \ | |
3226 develop_pd(uintx, CodeCacheMinBlockLength, \ | |
12836
b4d8a3d4db73
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tamao
parents:
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diff
changeset
|
3227 "Minimum number of segments in a code cache block") \ |
0 | 3228 \ |
3229 notproduct(bool, ExitOnFullCodeCache, false, \ | |
12836
b4d8a3d4db73
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tamao
parents:
12287
diff
changeset
|
3230 "Exit the VM if we fill the code cache") \ |
0 | 3231 \ |
4039 | 3232 product(bool, UseCodeCacheFlushing, true, \ |
1202 | 3233 "Attempt to clean the code cache before shutting off compiler") \ |
3234 \ | |
3235 product(intx, MinCodeCacheFlushingInterval, 30, \ | |
12836
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents:
12287
diff
changeset
|
3236 "Minimum number of seconds between code cache cleaning sessions") \ |
1202 | 3237 \ |
3238 product(uintx, CodeCacheFlushingMinimumFreeSpace, 1500*K, \ | |
3239 "When less than X space left, start code cache cleaning") \ | |
3240 \ | |
10206
0cfa93c2fcc4
8012547: Code cache flushing can get stuck reclaming of memory
neliasso
parents:
10197
diff
changeset
|
3241 product(uintx, CodeCacheFlushingFraction, 2, \ |
0cfa93c2fcc4
8012547: Code cache flushing can get stuck reclaming of memory
neliasso
parents:
10197
diff
changeset
|
3242 "Fraction of the code cache that is flushed when full") \ |
0cfa93c2fcc4
8012547: Code cache flushing can get stuck reclaming of memory
neliasso
parents:
10197
diff
changeset
|
3243 \ |
0 | 3244 /* interpreter debugging */ \ |
3245 develop(intx, BinarySwitchThreshold, 5, \ | |
3246 "Minimal number of lookupswitch entries for rewriting to binary " \ | |
3247 "switch") \ | |
3248 \ | |
3249 develop(intx, StopInterpreterAt, 0, \ | |
12836
b4d8a3d4db73
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tamao
parents:
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diff
changeset
|
3250 "Stop interpreter execution at specified bytecode number") \ |
0 | 3251 \ |
3252 develop(intx, TraceBytecodesAt, 0, \ | |
12836
b4d8a3d4db73
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changeset
|
3253 "Trace bytecodes starting with specified bytecode number") \ |
0 | 3254 \ |
3255 /* compiler interface */ \ | |
3256 develop(intx, CIStart, 0, \ | |
12836
b4d8a3d4db73
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tamao
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diff
changeset
|
3257 "The id of the first compilation to permit") \ |
0 | 3258 \ |
3259 develop(intx, CIStop, -1, \ | |
12836
b4d8a3d4db73
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diff
changeset
|
3260 "The id of the last compilation to permit") \ |
0 | 3261 \ |
3262 develop(intx, CIStartOSR, 0, \ | |
12836
b4d8a3d4db73
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changeset
|
3263 "The id of the first osr compilation to permit " \ |
0 | 3264 "(CICountOSR must be on)") \ |
3265 \ | |
3266 develop(intx, CIStopOSR, -1, \ | |
12836
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changeset
|
3267 "The id of the last osr compilation to permit " \ |
0 | 3268 "(CICountOSR must be on)") \ |
3269 \ | |
3270 develop(intx, CIBreakAtOSR, -1, \ | |
12836
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changeset
|
3271 "The id of osr compilation to break at") \ |
0 | 3272 \ |
3273 develop(intx, CIBreakAt, -1, \ | |
12836
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changeset
|
3274 "The id of compilation to break at") \ |
0 | 3275 \ |
3276 product(ccstrlist, CompileOnly, "", \ | |
3277 "List of methods (pkg/class.name) to restrict compilation to") \ | |
3278 \ | |
3279 product(ccstr, CompileCommandFile, NULL, \ | |
3280 "Read compiler commands from this file [.hotspot_compiler]") \ | |
3281 \ | |
3282 product(ccstrlist, CompileCommand, "", \ | |
3283 "Prepend to .hotspot_compiler; e.g. log,java/lang/String.<init>") \ | |
3284 \ | |
6972
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
6935
diff
changeset
|
3285 develop(bool, ReplayCompiles, false, \ |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
6935
diff
changeset
|
3286 "Enable replay of compilations from ReplayDataFile") \ |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
6935
diff
changeset
|
3287 \ |
10195
e12c9b3740db
8012260: ciReplay: Include PID into the name of replay data file
vlivanov
parents:
9073
diff
changeset
|
3288 product(ccstr, ReplayDataFile, NULL, \ |
e12c9b3740db
8012260: ciReplay: Include PID into the name of replay data file
vlivanov
parents:
9073
diff
changeset
|
3289 "File containing compilation replay information" \ |
e12c9b3740db
8012260: ciReplay: Include PID into the name of replay data file
vlivanov
parents:
9073
diff
changeset
|
3290 "[default: ./replay_pid%p.log] (%p replaced with pid)") \ |
6972
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
6935
diff
changeset
|
3291 \ |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
6935
diff
changeset
|
3292 develop(intx, ReplaySuppressInitializers, 2, \ |
12836
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
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12287
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changeset
|
3293 "Control handling of class initialization during replay: " \ |
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
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changeset
|
3294 "0 - don't do anything special; " \ |
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
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12287
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changeset
|
3295 "1 - treat all class initializers as empty; " \ |
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents:
12287
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changeset
|
3296 "2 - treat class initializers for application classes as empty; " \ |
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents:
12287
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changeset
|
3297 "3 - allow all class initializers to run during bootstrap but " \ |
6972
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
6935
diff
changeset
|
3298 " pretend they are empty after starting replay") \ |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
6935
diff
changeset
|
3299 \ |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
6935
diff
changeset
|
3300 develop(bool, ReplayIgnoreInitErrors, false, \ |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
6935
diff
changeset
|
3301 "Ignore exceptions thrown during initialization for replay") \ |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
6935
diff
changeset
|
3302 \ |
10195
e12c9b3740db
8012260: ciReplay: Include PID into the name of replay data file
vlivanov
parents:
9073
diff
changeset
|
3303 product(bool, DumpReplayDataOnError, true, \ |
e12c9b3740db
8012260: ciReplay: Include PID into the name of replay data file
vlivanov
parents:
9073
diff
changeset
|
3304 "Record replay data for crashing compiler threads") \ |
6972
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
6935
diff
changeset
|
3305 \ |
0 | 3306 product(bool, CICompilerCountPerCPU, false, \ |
3307 "1 compiler thread for log(N CPUs)") \ | |
3308 \ | |
3309 develop(intx, CIFireOOMAt, -1, \ | |
3310 "Fire OutOfMemoryErrors throughout CI for testing the compiler " \ | |
3311 "(non-negative value throws OOM after this many CI accesses " \ | |
3312 "in each compile)") \ | |
10197
7b23cb975cf2
8011675: adding compilation level to replay data
iignatyev
parents:
10195
diff
changeset
|
3313 notproduct(intx, CICrashAt, -1, \ |
7b23cb975cf2
8011675: adding compilation level to replay data
iignatyev
parents:
10195
diff
changeset
|
3314 "id of compilation to trigger assert in compiler thread for " \ |
7b23cb975cf2
8011675: adding compilation level to replay data
iignatyev
parents:
10195
diff
changeset
|
3315 "the purpose of testing, e.g. generation of replay data") \ |
909
b32a809aab08
6866585: debug code in ciObjectFactory too slow for large objects
jcoomes
parents:
905
diff
changeset
|
3316 notproduct(bool, CIObjectFactoryVerify, false, \ |
b32a809aab08
6866585: debug code in ciObjectFactory too slow for large objects
jcoomes
parents:
905
diff
changeset
|
3317 "enable potentially expensive verification in ciObjectFactory") \ |
b32a809aab08
6866585: debug code in ciObjectFactory too slow for large objects
jcoomes
parents:
905
diff
changeset
|
3318 \ |
0 | 3319 /* Priorities */ \ |
3320 product_pd(bool, UseThreadPriorities, "Use native thread priorities") \ | |
3321 \ | |
3322 product(intx, ThreadPriorityPolicy, 0, \ | |
3323 "0 : Normal. "\ | |
3324 " VM chooses priorities that are appropriate for normal "\ | |
3325 " applications. On Solaris NORM_PRIORITY and above are mapped "\ | |
12836
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents:
12287
diff
changeset
|
3326 " to normal native priority. Java priorities below " \ |
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents:
12287
diff
changeset
|
3327 " NORM_PRIORITY map to lower native priority values. On "\ |
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents:
12287
diff
changeset
|
3328 " Windows applications are allowed to use higher native "\ |
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents:
12287
diff
changeset
|
3329 " priorities. However, with ThreadPriorityPolicy=0, VM will "\ |
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents:
12287
diff
changeset
|
3330 " not use the highest possible native priority, "\ |
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents:
12287
diff
changeset
|
3331 " THREAD_PRIORITY_TIME_CRITICAL, as it may interfere with "\ |
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents:
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changeset
|
3332 " system threads. On Linux thread priorities are ignored "\ |
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
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12287
diff
changeset
|
3333 " because the OS does not support static priority in "\ |
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
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12287
diff
changeset
|
3334 " SCHED_OTHER scheduling class which is the only choice for "\ |
0 | 3335 " non-root, non-realtime applications. "\ |
3336 "1 : Aggressive. "\ | |
3337 " Java thread priorities map over to the entire range of "\ | |
3338 " native thread priorities. Higher Java thread priorities map "\ | |
3339 " to higher native thread priorities. This policy should be "\ | |
3340 " used with care, as sometimes it can cause performance "\ | |
3341 " degradation in the application and/or the entire system. On "\ | |
3342 " Linux this policy requires root privilege.") \ | |
3343 \ | |
3344 product(bool, ThreadPriorityVerbose, false, \ | |
4854
de268c8a8075
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
4807
diff
changeset
|
3345 "Print priority changes") \ |
0 | 3346 \ |
3347 product(intx, DefaultThreadPriority, -1, \ | |
4854
de268c8a8075
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
4807
diff
changeset
|
3348 "The native priority at which threads run if not elsewhere " \ |
de268c8a8075
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
4807
diff
changeset
|
3349 "specified (-1 means no change)") \ |
0 | 3350 \ |
3351 product(intx, CompilerThreadPriority, -1, \ | |
4854
de268c8a8075
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
4807
diff
changeset
|
3352 "The native priority at which compiler threads should run " \ |
de268c8a8075
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
4807
diff
changeset
|
3353 "(-1 means no change)") \ |
0 | 3354 \ |
3355 product(intx, VMThreadPriority, -1, \ | |
4854
de268c8a8075
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
4807
diff
changeset
|
3356 "The native priority at which the VM thread should run " \ |
de268c8a8075
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
4807
diff
changeset
|
3357 "(-1 means no change)") \ |
0 | 3358 \ |
3359 product(bool, CompilerThreadHintNoPreempt, true, \ | |
3360 "(Solaris only) Give compiler threads an extra quanta") \ | |
3361 \ | |
3362 product(bool, VMThreadHintNoPreempt, false, \ | |
3363 "(Solaris only) Give VM thread an extra quanta") \ | |
3364 \ | |
12836
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
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12287
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changeset
|
3365 product(intx, JavaPriority1_To_OSPriority, -1, \ |
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents:
12287
diff
changeset
|
3366 "Map Java priorities to OS priorities") \ |
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents:
12287
diff
changeset
|
3367 \ |
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents:
12287
diff
changeset
|
3368 product(intx, JavaPriority2_To_OSPriority, -1, \ |
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents:
12287
diff
changeset
|
3369 "Map Java priorities to OS priorities") \ |
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents:
12287
diff
changeset
|
3370 \ |
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents:
12287
diff
changeset
|
3371 product(intx, JavaPriority3_To_OSPriority, -1, \ |
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents:
12287
diff
changeset
|
3372 "Map Java priorities to OS priorities") \ |
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents:
12287
diff
changeset
|
3373 \ |
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents:
12287
diff
changeset
|
3374 product(intx, JavaPriority4_To_OSPriority, -1, \ |
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents:
12287
diff
changeset
|
3375 "Map Java priorities to OS priorities") \ |
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents:
12287
diff
changeset
|
3376 \ |
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents:
12287
diff
changeset
|
3377 product(intx, JavaPriority5_To_OSPriority, -1, \ |
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents:
12287
diff
changeset
|
3378 "Map Java priorities to OS priorities") \ |
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents:
12287
diff
changeset
|
3379 \ |
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents:
12287
diff
changeset
|
3380 product(intx, JavaPriority6_To_OSPriority, -1, \ |
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents:
12287
diff
changeset
|
3381 "Map Java priorities to OS priorities") \ |
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents:
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diff
changeset
|
3382 \ |
b4d8a3d4db73
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tamao
parents:
12287
diff
changeset
|
3383 product(intx, JavaPriority7_To_OSPriority, -1, \ |
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents:
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diff
changeset
|
3384 "Map Java priorities to OS priorities") \ |
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents:
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diff
changeset
|
3385 \ |
b4d8a3d4db73
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tamao
parents:
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diff
changeset
|
3386 product(intx, JavaPriority8_To_OSPriority, -1, \ |
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents:
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changeset
|
3387 "Map Java priorities to OS priorities") \ |
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents:
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diff
changeset
|
3388 \ |
b4d8a3d4db73
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tamao
parents:
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diff
changeset
|
3389 product(intx, JavaPriority9_To_OSPriority, -1, \ |
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents:
12287
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changeset
|
3390 "Map Java priorities to OS priorities") \ |
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents:
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diff
changeset
|
3391 \ |
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents:
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diff
changeset
|
3392 product(intx, JavaPriority10_To_OSPriority,-1, \ |
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents:
12287
diff
changeset
|
3393 "Map Java priorities to OS priorities") \ |
0 | 3394 \ |
4854
de268c8a8075
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
4807
diff
changeset
|
3395 experimental(bool, UseCriticalJavaThreadPriority, false, \ |
de268c8a8075
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
4807
diff
changeset
|
3396 "Java thread priority 10 maps to critical scheduling priority") \ |
de268c8a8075
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
4807
diff
changeset
|
3397 \ |
de268c8a8075
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
4807
diff
changeset
|
3398 experimental(bool, UseCriticalCompilerThreadPriority, false, \ |
de268c8a8075
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
4807
diff
changeset
|
3399 "Compiler thread(s) run at critical scheduling priority") \ |
de268c8a8075
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
4807
diff
changeset
|
3400 \ |
de268c8a8075
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diff
changeset
|
3401 experimental(bool, UseCriticalCMSThreadPriority, false, \ |
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diff
changeset
|
3402 "ConcurrentMarkSweep thread runs at critical scheduling priority")\ |
de268c8a8075
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4807
diff
changeset
|
3403 \ |
0 | 3404 /* compiler debugging */ \ |
3405 notproduct(intx, CompileTheWorldStartAt, 1, \ | |
3406 "First class to consider when using +CompileTheWorld") \ | |
3407 \ | |
3408 notproduct(intx, CompileTheWorldStopAt, max_jint, \ | |
3409 "Last class to consider when using +CompileTheWorld") \ | |
3410 \ | |
3411 develop(intx, NewCodeParameter, 0, \ | |
3412 "Testing Only: Create a dedicated integer parameter before " \ | |
3413 "putback") \ | |
3414 \ | |
3415 /* new oopmap storage allocation */ \ | |
3416 develop(intx, MinOopMapAllocation, 8, \ | |
3417 "Minimum number of OopMap entries in an OopMapSet") \ | |
3418 \ | |
3419 /* Background Compilation */ \ | |
3420 develop(intx, LongCompileThreshold, 50, \ | |
3421 "Used with +TraceLongCompiles") \ | |
3422 \ | |
3423 product(intx, StarvationMonitorInterval, 200, \ | |
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|
3424 "Pause between each check (in milliseconds)") \ |
0 | 3425 \ |
3426 /* recompilation */ \ | |
3427 product_pd(intx, CompileThreshold, \ | |
3428 "number of interpreted method invocations before (re-)compiling") \ | |
3429 \ | |
3430 product_pd(intx, BackEdgeThreshold, \ | |
12836
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|
3431 "Interpreter Back edge threshold at which an OSR compilation is " \ |
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|
3432 "invoked") \ |
0 | 3433 \ |
1783 | 3434 product(intx, Tier0InvokeNotifyFreqLog, 7, \ |
12836
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|
3435 "Interpreter (tier 0) invocation notification frequency") \ |
1783 | 3436 \ |
3437 product(intx, Tier2InvokeNotifyFreqLog, 11, \ | |
12836
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|
3438 "C1 without MDO (tier 2) invocation notification frequency") \ |
1783 | 3439 \ |
3440 product(intx, Tier3InvokeNotifyFreqLog, 10, \ | |
3441 "C1 with MDO profiling (tier 3) invocation notification " \ | |
12836
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|
3442 "frequency") \ |
1783 | 3443 \ |
3964
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3960
diff
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|
3444 product(intx, Tier23InlineeNotifyFreqLog, 20, \ |
dc45ae774613
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3960
diff
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|
3445 "Inlinee invocation (tiers 2 and 3) notification frequency") \ |
dc45ae774613
7096639: Tiered: Incorrect counter overflow handling for inlined methods
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3960
diff
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|
3446 \ |
1783 | 3447 product(intx, Tier0BackedgeNotifyFreqLog, 10, \ |
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|
3448 "Interpreter (tier 0) invocation notification frequency") \ |
1783 | 3449 \ |
3450 product(intx, Tier2BackedgeNotifyFreqLog, 14, \ | |
12836
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|
3451 "C1 without MDO (tier 2) invocation notification frequency") \ |
1783 | 3452 \ |
3453 product(intx, Tier3BackedgeNotifyFreqLog, 13, \ | |
3454 "C1 with MDO profiling (tier 3) invocation notification " \ | |
12836
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|
3455 "frequency") \ |
1783 | 3456 \ |
3457 product(intx, Tier2CompileThreshold, 0, \ | |
3458 "threshold at which tier 2 compilation is invoked") \ | |
3459 \ | |
3460 product(intx, Tier2BackEdgeThreshold, 0, \ | |
3461 "Back edge threshold at which tier 2 compilation is invoked") \ | |
3462 \ | |
3463 product(intx, Tier3InvocationThreshold, 200, \ | |
3464 "Compile if number of method invocations crosses this " \ | |
3465 "threshold") \ | |
3466 \ | |
3467 product(intx, Tier3MinInvocationThreshold, 100, \ | |
3468 "Minimum invocation to compile at tier 3") \ | |
3469 \ | |
3470 product(intx, Tier3CompileThreshold, 2000, \ | |
3471 "Threshold at which tier 3 compilation is invoked (invocation " \ | |
12836
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|
3472 "minimum must be satisfied") \ |
1783 | 3473 \ |
4819 | 3474 product(intx, Tier3BackEdgeThreshold, 60000, \ |
1783 | 3475 "Back edge threshold at which tier 3 OSR compilation is invoked") \ |
3476 \ | |
3477 product(intx, Tier4InvocationThreshold, 5000, \ | |
3478 "Compile if number of method invocations crosses this " \ | |
3479 "threshold") \ | |
3480 \ | |
3481 product(intx, Tier4MinInvocationThreshold, 600, \ | |
3482 "Minimum invocation to compile at tier 4") \ | |
3483 \ | |
3484 product(intx, Tier4CompileThreshold, 15000, \ | |
3485 "Threshold at which tier 4 compilation is invoked (invocation " \ | |
12836
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|
3486 "minimum must be satisfied") \ |
1783 | 3487 \ |
3488 product(intx, Tier4BackEdgeThreshold, 40000, \ | |
3489 "Back edge threshold at which tier 4 OSR compilation is invoked") \ | |
3490 \ | |
3491 product(intx, Tier3DelayOn, 5, \ | |
3492 "If C2 queue size grows over this amount per compiler thread " \ | |
3493 "stop compiling at tier 3 and start compiling at tier 2") \ | |
3494 \ | |
3495 product(intx, Tier3DelayOff, 2, \ | |
3496 "If C2 queue size is less than this amount per compiler thread " \ | |
3497 "allow methods compiled at tier 2 transition to tier 3") \ | |
3498 \ | |
3499 product(intx, Tier3LoadFeedback, 5, \ | |
3500 "Tier 3 thresholds will increase twofold when C1 queue size " \ | |
3501 "reaches this amount per compiler thread") \ | |
3502 \ | |
3503 product(intx, Tier4LoadFeedback, 3, \ | |
3504 "Tier 4 thresholds will increase twofold when C2 queue size " \ | |
3505 "reaches this amount per compiler thread") \ | |
3506 \ | |
3507 product(intx, TieredCompileTaskTimeout, 50, \ | |
3508 "Kill compile task if method was not used within " \ | |
3509 "given timeout in milliseconds") \ | |
3510 \ | |
3511 product(intx, TieredStopAtLevel, 4, \ | |
3512 "Stop at given compilation level") \ | |
3513 \ | |
3514 product(intx, Tier0ProfilingStartPercentage, 200, \ | |
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|
3515 "Start profiling in interpreter if the counters exceed tier 3 " \ |
1783 | 3516 "thresholds by the specified percentage") \ |
3517 \ | |
10319
91eba9f82325
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changeset
|
3518 product(uintx, IncreaseFirstTierCompileThresholdAt, 50, \ |
12836
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|
3519 "Increase the compile threshold for C1 compilation if the code " \ |
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|
3520 "cache is filled by the specified percentage") \ |
10319
91eba9f82325
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diff
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|
3521 \ |
1783 | 3522 product(intx, TieredRateUpdateMinTime, 1, \ |
3523 "Minimum rate sampling interval (in milliseconds)") \ | |
3524 \ | |
3525 product(intx, TieredRateUpdateMaxTime, 25, \ | |
3526 "Maximum rate sampling interval (in milliseconds)") \ | |
0 | 3527 \ |
3528 product_pd(bool, TieredCompilation, \ | |
1783 | 3529 "Enable tiered compilation") \ |
3530 \ | |
3531 product(bool, PrintTieredEvents, false, \ | |
3532 "Print tiered events notifications") \ | |
0 | 3533 \ |
3534 product_pd(intx, OnStackReplacePercentage, \ | |
12836
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|
3535 "NON_TIERED number of method invocations/branches (expressed as " \ |
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|
3536 "% of CompileThreshold) before (re-)compiling OSR code") \ |
0 | 3537 \ |
3538 product(intx, InterpreterProfilePercentage, 33, \ | |
12836
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|
3539 "NON_TIERED number of method invocations/branches (expressed as " \ |
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|
3540 "% of CompileThreshold) before profiling in the interpreter") \ |
0 | 3541 \ |
3542 develop(intx, MaxRecompilationSearchLength, 10, \ | |
12836
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|
3543 "The maximum number of frames to inspect when searching for " \ |
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|
3544 "recompilee") \ |
0 | 3545 \ |
3546 develop(intx, MaxInterpretedSearchLength, 3, \ | |
12836
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|
3547 "The maximum number of interpreted frames to skip when searching "\ |
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|
3548 "for recompilee") \ |
0 | 3549 \ |
3550 develop(intx, DesiredMethodLimit, 8000, \ | |
12836
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|
3551 "The desired maximum method size (in bytecodes) after inlining") \ |
0 | 3552 \ |
3553 develop(intx, HugeMethodLimit, 8000, \ | |
12836
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|
3554 "Don't compile methods larger than this if " \ |
0 | 3555 "+DontCompileHugeMethods") \ |
3556 \ | |
3557 /* New JDK 1.4 reflection implementation */ \ | |
3558 \ | |
3559 develop(bool, UseNewReflection, true, \ | |
3560 "Temporary flag for transition to reflection based on dynamic " \ | |
3561 "bytecode generation in 1.4; can no longer be turned off in 1.4 " \ | |
3562 "JDK, and is unneeded in 1.3 JDK, but marks most places VM " \ | |
3563 "changes were needed") \ | |
3564 \ | |
3565 develop(bool, VerifyReflectionBytecodes, false, \ | |
3566 "Force verification of 1.4 reflection bytecodes. Does not work " \ | |
3567 "in situations like that described in 4486457 or for " \ | |
3568 "constructors generated for serialization, so can not be enabled "\ | |
3569 "in product.") \ | |
3570 \ | |
3571 product(bool, ReflectionWrapResolutionErrors, true, \ | |
3572 "Temporary flag for transition to AbstractMethodError wrapped " \ | |
3573 "in InvocationTargetException. See 6531596") \ | |
3574 \ | |
12154
3a1df0dce3e5
8023872: Verification error in generated lambda classes
acorn
parents:
12132
diff
changeset
|
3575 develop(bool, VerifyLambdaBytecodes, false, \ |
12836
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|
3576 "Force verification of jdk 8 lambda metafactory bytecodes") \ |
0 | 3577 \ |
3578 develop(intx, FastSuperclassLimit, 8, \ | |
3579 "Depth of hardwired instanceof accelerator array") \ | |
3580 \ | |
3581 /* Properties for Java libraries */ \ | |
3582 \ | |
6199
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6197
diff
changeset
|
3583 product(uintx, MaxDirectMemorySize, 0, \ |
0 | 3584 "Maximum total size of NIO direct-buffer allocations") \ |
3585 \ | |
3586 /* temporary developer defined flags */ \ | |
3587 \ | |
3588 diagnostic(bool, UseNewCode, false, \ | |
3589 "Testing Only: Use the new version while testing") \ | |
3590 \ | |
3591 diagnostic(bool, UseNewCode2, false, \ | |
3592 "Testing Only: Use the new version while testing") \ | |
3593 \ | |
3594 diagnostic(bool, UseNewCode3, false, \ | |
3595 "Testing Only: Use the new version while testing") \ | |
3596 \ | |
3597 /* flags for performance data collection */ \ | |
3598 \ | |
3797
eb94b7226b7a
7061192: option handling adjustments for oracle and embedded builds
jcoomes
parents:
3780
diff
changeset
|
3599 product(bool, UsePerfData, falseInEmbedded, \ |
12836
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|
3600 "Flag to disable jvmstat instrumentation for performance testing "\ |
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changeset
|
3601 "and problem isolation purposes") \ |
0 | 3602 \ |
3603 product(bool, PerfDataSaveToFile, false, \ | |
3604 "Save PerfData memory to hsperfdata_<pid> file on exit") \ | |
3605 \ | |
3606 product(ccstr, PerfDataSaveFile, NULL, \ | |
12836
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|
3607 "Save PerfData memory to the specified absolute pathname. " \ |
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|
3608 "The string %p in the file name (if present) " \ |
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changeset
|
3609 "will be replaced by pid") \ |
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|
3610 \ |
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|
3611 product(intx, PerfDataSamplingInterval, 50, \ |
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|
3612 "Data sampling interval (in milliseconds)") \ |
0 | 3613 \ |
3614 develop(bool, PerfTraceDataCreation, false, \ | |
3615 "Trace creation of Performance Data Entries") \ | |
3616 \ | |
3617 develop(bool, PerfTraceMemOps, false, \ | |
3618 "Trace PerfMemory create/attach/detach calls") \ | |
3619 \ | |
3620 product(bool, PerfDisableSharedMem, false, \ | |
3621 "Store performance data in standard memory") \ | |
3622 \ | |
3623 product(intx, PerfDataMemorySize, 32*K, \ | |
3624 "Size of performance data memory region. Will be rounded " \ | |
3625 "up to a multiple of the native os page size.") \ | |
3626 \ | |
3627 product(intx, PerfMaxStringConstLength, 1024, \ | |
3628 "Maximum PerfStringConstant string length before truncation") \ | |
3629 \ | |
3630 product(bool, PerfAllowAtExitRegistration, false, \ | |
3631 "Allow registration of atexit() methods") \ | |
3632 \ | |
3633 product(bool, PerfBypassFileSystemCheck, false, \ | |
3634 "Bypass Win32 file system criteria checks (Windows Only)") \ | |
3635 \ | |
3636 product(intx, UnguardOnExecutionViolation, 0, \ | |
12836
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|
3637 "Unguard page and retry on no-execute fault (Win32 only) " \ |
0 | 3638 "0=off, 1=conservative, 2=aggressive") \ |
3639 \ | |
3640 /* Serviceability Support */ \ | |
3641 \ | |
3642 product(bool, ManagementServer, false, \ | |
3643 "Create JMX Management Server") \ | |
3644 \ | |
3645 product(bool, DisableAttachMechanism, false, \ | |
12836
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|
3646 "Disable mechanism that allows tools to attach to this VM") \ |
0 | 3647 \ |
3648 product(bool, StartAttachListener, false, \ | |
3649 "Always start Attach Listener at VM startup") \ | |
3650 \ | |
3651 manageable(bool, PrintConcurrentLocks, false, \ | |
3652 "Print java.util.concurrent locks in thread dump") \ | |
3653 \ | |
2209
e9aa2ca89ad6
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kamg
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2204
diff
changeset
|
3654 product(bool, TransmitErrorReport, false, \ |
2199
d8a72fbc4be7
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2192
diff
changeset
|
3655 "Enable error report transmission on erroneous termination") \ |
d8a72fbc4be7
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2192
diff
changeset
|
3656 \ |
2209
e9aa2ca89ad6
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2204
diff
changeset
|
3657 product(ccstr, ErrorReportServer, NULL, \ |
2199
d8a72fbc4be7
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2192
diff
changeset
|
3658 "Override built-in error report server address") \ |
d8a72fbc4be7
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2192
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changeset
|
3659 \ |
0 | 3660 /* Shared spaces */ \ |
3661 \ | |
3662 product(bool, UseSharedSpaces, true, \ | |
7461
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7428
diff
changeset
|
3663 "Use shared spaces for metadata") \ |
0 | 3664 \ |
3665 product(bool, RequireSharedSpaces, false, \ | |
7461
561148896559
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7428
diff
changeset
|
3666 "Require shared spaces for metadata") \ |
0 | 3667 \ |
3668 product(bool, DumpSharedSpaces, false, \ | |
12836
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|
3669 "Special mode: JVM reads a class list, loads classes, builds " \ |
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|
3670 "shared spaces, and dumps the shared spaces to a file to be " \ |
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changeset
|
3671 "used in future JVM runs") \ |
0 | 3672 \ |
3673 product(bool, PrintSharedSpaces, false, \ | |
3674 "Print usage of shared spaces") \ | |
3675 \ | |
6725
da91efe96a93
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6633
diff
changeset
|
3676 product(uintx, SharedReadWriteSize, NOT_LP64(12*M) LP64_ONLY(16*M), \ |
7461
561148896559
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7428
diff
changeset
|
3677 "Size of read-write space for metadata (in bytes)") \ |
0 | 3678 \ |
6725
da91efe96a93
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6633
diff
changeset
|
3679 product(uintx, SharedReadOnlySize, NOT_LP64(12*M) LP64_ONLY(16*M), \ |
7461
561148896559
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hseigel
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7428
diff
changeset
|
3680 "Size of read-only space for metadata (in bytes)") \ |
0 | 3681 \ |
6725
da91efe96a93
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coleenp
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6633
diff
changeset
|
3682 product(uintx, SharedMiscDataSize, NOT_LP64(2*M) LP64_ONLY(4*M), \ |
7461
561148896559
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7428
diff
changeset
|
3683 "Size of the shared miscellaneous data area (in bytes)") \ |
0 | 3684 \ |
6725
da91efe96a93
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coleenp
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6633
diff
changeset
|
3685 product(uintx, SharedMiscCodeSize, 120*K, \ |
7461
561148896559
8005076: Creating a CDS archive with one alignment and running another causes a crash.
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7428
diff
changeset
|
3686 "Size of the shared miscellaneous code area (in bytes)") \ |
0 | 3687 \ |
8804
91bf0bdae37b
8008217: CDS: Class data sharing limits the malloc heap on Solaris
coleenp
parents:
8802
diff
changeset
|
3688 product(uintx, SharedBaseAddress, LP64_ONLY(32*G) \ |
91bf0bdae37b
8008217: CDS: Class data sharing limits the malloc heap on Solaris
coleenp
parents:
8802
diff
changeset
|
3689 NOT_LP64(LINUX_ONLY(2*G) NOT_LINUX(0)), \ |
91bf0bdae37b
8008217: CDS: Class data sharing limits the malloc heap on Solaris
coleenp
parents:
8802
diff
changeset
|
3690 "Address to allocate shared memory region for class data") \ |
0 | 3691 \ |
2416
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2403
diff
changeset
|
3692 diagnostic(bool, EnableInvokeDynamic, true, \ |
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2403
diff
changeset
|
3693 "support JSR 292 (method handles, invokedynamic, " \ |
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2403
diff
changeset
|
3694 "anonymous classes") \ |
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2403
diff
changeset
|
3695 \ |
3757
f8c9417e3571
7052219: JSR 292: Crash in ~BufferBlob::MethodHandles adapters
never
parents:
3745
diff
changeset
|
3696 diagnostic(bool, PrintMethodHandleStubs, false, \ |
f8c9417e3571
7052219: JSR 292: Crash in ~BufferBlob::MethodHandles adapters
never
parents:
3745
diff
changeset
|
3697 "Print generated stub code for method handles") \ |
f8c9417e3571
7052219: JSR 292: Crash in ~BufferBlob::MethodHandles adapters
never
parents:
3745
diff
changeset
|
3698 \ |
710 | 3699 develop(bool, TraceMethodHandles, false, \ |
3700 "trace internal method handle operations") \ | |
3701 \ | |
3702 diagnostic(bool, VerifyMethodHandles, trueInDebug, \ | |
3703 "perform extra checks when constructing method handles") \ | |
3704 \ | |
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6199
diff
changeset
|
3705 diagnostic(bool, ShowHiddenFrames, false, \ |
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6199
diff
changeset
|
3706 "show method handle implementation frames (usually hidden)") \ |
3388
a80577f854f9
7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents:
3384
diff
changeset
|
3707 \ |
1173
73b22f919c34
6912065: final fields in objects need to support inlining optimizations for JSR 292
jrose
parents:
1157
diff
changeset
|
3708 experimental(bool, TrustFinalNonStaticFields, false, \ |
73b22f919c34
6912065: final fields in objects need to support inlining optimizations for JSR 292
jrose
parents:
1157
diff
changeset
|
3709 "trust final non-static declarations for constant folding") \ |
73b22f919c34
6912065: final fields in objects need to support inlining optimizations for JSR 292
jrose
parents:
1157
diff
changeset
|
3710 \ |
12190
edb5ab0f3fe5
8001107: @Stable annotation for constant folding of lazily evaluated variables
vlivanov
parents:
12154
diff
changeset
|
3711 experimental(bool, FoldStableValues, false, \ |
edb5ab0f3fe5
8001107: @Stable annotation for constant folding of lazily evaluated variables
vlivanov
parents:
12154
diff
changeset
|
3712 "Private flag to control optimizations for stable variables") \ |
edb5ab0f3fe5
8001107: @Stable annotation for constant folding of lazily evaluated variables
vlivanov
parents:
12154
diff
changeset
|
3713 \ |
726
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
712
diff
changeset
|
3714 develop(bool, TraceInvokeDynamic, false, \ |
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
712
diff
changeset
|
3715 "trace internal invoke dynamic operations") \ |
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
712
diff
changeset
|
3716 \ |
0 | 3717 diagnostic(bool, PauseAtStartup, false, \ |
3718 "Causes the VM to pause at startup time and wait for the pause " \ | |
3719 "file to be removed (default: ./vm.paused.<pid>)") \ | |
3720 \ | |
3721 diagnostic(ccstr, PauseAtStartupFile, NULL, \ | |
3722 "The file to create and for whose removal to await when pausing " \ | |
3723 "at startup. (default: ./vm.paused.<pid>)") \ | |
3724 \ | |
2302
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2265
diff
changeset
|
3725 diagnostic(bool, PauseAtExit, false, \ |
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2265
diff
changeset
|
3726 "Pause and wait for keypress on exit if a debugger is attached") \ |
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2265
diff
changeset
|
3727 \ |
0 | 3728 product(bool, ExtendedDTraceProbes, false, \ |
3729 "Enable performance-impacting dtrace probes") \ | |
3730 \ | |
3731 product(bool, DTraceMethodProbes, false, \ | |
3732 "Enable dtrace probes for method-entry and method-exit") \ | |
3733 \ | |
3734 product(bool, DTraceAllocProbes, false, \ | |
3735 "Enable dtrace probes for object allocation") \ | |
3736 \ | |
3737 product(bool, DTraceMonitorProbes, false, \ | |
3738 "Enable dtrace probes for monitor events") \ | |
3739 \ | |
3740 product(bool, RelaxAccessControlCheck, false, \ | |
3741 "Relax the access control checks in the verifier") \ | |
3742 \ | |
116
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3743 diagnostic(bool, PrintDTraceDOF, false, \ |
12836
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents:
12287
diff
changeset
|
3744 "Print the DTrace DOF passed to the system for JSDT probes") \ |
116
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3745 \ |
6982
e4f764ddb06a
7122219: Passed StringTableSize value not verified
hseigel
parents:
6935
diff
changeset
|
3746 product(uintx, StringTableSize, defaultStringTableSize, \ |
2378 | 3747 "Number of buckets in the interned String table") \ |
3748 \ | |
6934 | 3749 develop(bool, TraceDefaultMethods, false, \ |
3750 "Trace the default method processing steps") \ | |
3751 \ | |
3752 develop(bool, VerifyGenericSignatures, false, \ | |
3753 "Abort VM on erroneous or inconsistent generic signatures") \ | |
3754 \ | |
449
171e581e8161
6554406: Change switch UseVMInterruptibleIO default to false (sol)
xlu
parents:
443
diff
changeset
|
3755 product(bool, UseVMInterruptibleIO, false, \ |
0 | 3756 "(Unstable, Solaris-specific) Thread interrupt before or with " \ |
12836
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents:
12287
diff
changeset
|
3757 "EINTR for I/O operations results in OS_INTRPT. The default " \ |
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents:
12287
diff
changeset
|
3758 "value of this flag is true for JDK 6 and earlier") \ |
5915 | 3759 \ |
3760 diagnostic(bool, WhiteBoxAPI, false, \ | |
6064
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
5979
diff
changeset
|
3761 "Enable internal testing APIs") \ |
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
5979
diff
changeset
|
3762 \ |
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
5979
diff
changeset
|
3763 product(bool, PrintGCCause, true, \ |
8702 | 3764 "Include GC cause in GC logging") \ |
3765 \ | |
9073
83f27710f5f7
7197666: java -d64 -version core dumps in a box with lots of memory
brutisso
parents:
9071
diff
changeset
|
3766 product(bool , AllowNonVirtualCalls, false, \ |
83f27710f5f7
7197666: java -d64 -version core dumps in a box with lots of memory
brutisso
parents:
9071
diff
changeset
|
3767 "Obey the ACC_SUPER flag and allow invokenonvirtual calls") \ |
83f27710f5f7
7197666: java -d64 -version core dumps in a box with lots of memory
brutisso
parents:
9071
diff
changeset
|
3768 \ |
10270
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10269
diff
changeset
|
3769 diagnostic(ccstr, SharedArchiveFile, NULL, \ |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10269
diff
changeset
|
3770 "Override the default location of the CDS archive file") \ |
f944ba972151
8014138: Add VM option to facilitate the writing of CDS tests
hseigel
parents:
10269
diff
changeset
|
3771 \ |
9073
83f27710f5f7
7197666: java -d64 -version core dumps in a box with lots of memory
brutisso
parents:
9071
diff
changeset
|
3772 experimental(uintx, ArrayAllocatorMallocLimit, \ |
83f27710f5f7
7197666: java -d64 -version core dumps in a box with lots of memory
brutisso
parents:
9071
diff
changeset
|
3773 SOLARIS_ONLY(64*K) NOT_SOLARIS(max_uintx), \ |
83f27710f5f7
7197666: java -d64 -version core dumps in a box with lots of memory
brutisso
parents:
9071
diff
changeset
|
3774 "Allocation less than this value will be allocated " \ |
10405 | 3775 "using malloc. Larger allocations will use mmap.") \ |
3776 \ | |
3777 product(bool, EnableTracing, false, \ | |
3778 "Enable event-based tracing") \ | |
12836
b4d8a3d4db73
8010506: Typos and errors in descriptions of vm options in globals.hpp
tamao
parents:
12287
diff
changeset
|
3779 \ |
10405 | 3780 product(bool, UseLockedTracing, false, \ |
3781 "Use locked-tracing when doing event-based tracing") | |
3782 | |
0 | 3783 |
3784 /* | |
3785 * Macros for factoring of globals | |
3786 */ | |
3787 | |
3788 // Interface macros | |
3789 #define DECLARE_PRODUCT_FLAG(type, name, value, doc) extern "C" type name; | |
3790 #define DECLARE_PD_PRODUCT_FLAG(type, name, doc) extern "C" type name; | |
3791 #define DECLARE_DIAGNOSTIC_FLAG(type, name, value, doc) extern "C" type name; | |
350
d28aa69f0959
6618726: Introduce -XX:+UnlockExperimentalVMOptions flag
ysr
parents:
348
diff
changeset
|
3792 #define DECLARE_EXPERIMENTAL_FLAG(type, name, value, doc) extern "C" type name; |
0 | 3793 #define DECLARE_MANAGEABLE_FLAG(type, name, value, doc) extern "C" type name; |
3794 #define DECLARE_PRODUCT_RW_FLAG(type, name, value, doc) extern "C" type name; | |
3795 #ifdef PRODUCT | |
3796 #define DECLARE_DEVELOPER_FLAG(type, name, value, doc) const type name = value; | |
3797 #define DECLARE_PD_DEVELOPER_FLAG(type, name, doc) const type name = pd_##name; | |
3798 #define DECLARE_NOTPRODUCT_FLAG(type, name, value, doc) | |
3799 #else | |
3800 #define DECLARE_DEVELOPER_FLAG(type, name, value, doc) extern "C" type name; | |
3801 #define DECLARE_PD_DEVELOPER_FLAG(type, name, doc) extern "C" type name; | |
3802 #define DECLARE_NOTPRODUCT_FLAG(type, name, value, doc) extern "C" type name; | |
3803 #endif | |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
109
diff
changeset
|
3804 // Special LP64 flags, product only needed for now. |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
109
diff
changeset
|
3805 #ifdef _LP64 |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
109
diff
changeset
|
3806 #define DECLARE_LP64_PRODUCT_FLAG(type, name, value, doc) extern "C" type name; |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
109
diff
changeset
|
3807 #else |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
109
diff
changeset
|
3808 #define DECLARE_LP64_PRODUCT_FLAG(type, name, value, doc) const type name = value; |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
109
diff
changeset
|
3809 #endif // _LP64 |
0 | 3810 |
3811 // Implementation macros | |
3812 #define MATERIALIZE_PRODUCT_FLAG(type, name, value, doc) type name = value; | |
3813 #define MATERIALIZE_PD_PRODUCT_FLAG(type, name, doc) type name = pd_##name; | |
3814 #define MATERIALIZE_DIAGNOSTIC_FLAG(type, name, value, doc) type name = value; | |
350
d28aa69f0959
6618726: Introduce -XX:+UnlockExperimentalVMOptions flag
ysr
parents:
348
diff
changeset
|
3815 #define MATERIALIZE_EXPERIMENTAL_FLAG(type, name, value, doc) type name = value; |
0 | 3816 #define MATERIALIZE_MANAGEABLE_FLAG(type, name, value, doc) type name = value; |
3817 #define MATERIALIZE_PRODUCT_RW_FLAG(type, name, value, doc) type name = value; | |
3818 #ifdef PRODUCT | |
3819 #define MATERIALIZE_DEVELOPER_FLAG(type, name, value, doc) /* flag name is constant */ | |
3820 #define MATERIALIZE_PD_DEVELOPER_FLAG(type, name, doc) /* flag name is constant */ | |
3821 #define MATERIALIZE_NOTPRODUCT_FLAG(type, name, value, doc) | |
3822 #else | |
3823 #define MATERIALIZE_DEVELOPER_FLAG(type, name, value, doc) type name = value; | |
3824 #define MATERIALIZE_PD_DEVELOPER_FLAG(type, name, doc) type name = pd_##name; | |
3825 #define MATERIALIZE_NOTPRODUCT_FLAG(type, name, value, doc) type name = value; | |
3826 #endif | |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
109
diff
changeset
|
3827 #ifdef _LP64 |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
109
diff
changeset
|
3828 #define MATERIALIZE_LP64_PRODUCT_FLAG(type, name, value, doc) type name = value; |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
109
diff
changeset
|
3829 #else |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
109
diff
changeset
|
3830 #define MATERIALIZE_LP64_PRODUCT_FLAG(type, name, value, doc) /* flag is constant */ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
109
diff
changeset
|
3831 #endif // _LP64 |
0 | 3832 |
350
d28aa69f0959
6618726: Introduce -XX:+UnlockExperimentalVMOptions flag
ysr
parents:
348
diff
changeset
|
3833 RUNTIME_FLAGS(DECLARE_DEVELOPER_FLAG, DECLARE_PD_DEVELOPER_FLAG, DECLARE_PRODUCT_FLAG, DECLARE_PD_PRODUCT_FLAG, DECLARE_DIAGNOSTIC_FLAG, DECLARE_EXPERIMENTAL_FLAG, DECLARE_NOTPRODUCT_FLAG, DECLARE_MANAGEABLE_FLAG, DECLARE_PRODUCT_RW_FLAG, DECLARE_LP64_PRODUCT_FLAG) |
0 | 3834 |
3835 RUNTIME_OS_FLAGS(DECLARE_DEVELOPER_FLAG, DECLARE_PD_DEVELOPER_FLAG, DECLARE_PRODUCT_FLAG, DECLARE_PD_PRODUCT_FLAG, DECLARE_DIAGNOSTIC_FLAG, DECLARE_NOTPRODUCT_FLAG) | |
1972 | 3836 |
6633
a5dd6e3ef9f3
6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents:
6608
diff
changeset
|
3837 ARCH_FLAGS(DECLARE_DEVELOPER_FLAG, DECLARE_PRODUCT_FLAG, DECLARE_DIAGNOSTIC_FLAG, DECLARE_EXPERIMENTAL_FLAG, DECLARE_NOTPRODUCT_FLAG) |
a5dd6e3ef9f3
6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents:
6608
diff
changeset
|
3838 |
4107
cd00eaeebef6
7117389: Add a framework for vendor-specific command line switch extensions to Hotspot
phh
parents:
4088
diff
changeset
|
3839 // Extensions |
cd00eaeebef6
7117389: Add a framework for vendor-specific command line switch extensions to Hotspot
phh
parents:
4088
diff
changeset
|
3840 |
cd00eaeebef6
7117389: Add a framework for vendor-specific command line switch extensions to Hotspot
phh
parents:
4088
diff
changeset
|
3841 #include "runtime/globals_ext.hpp" |
cd00eaeebef6
7117389: Add a framework for vendor-specific command line switch extensions to Hotspot
phh
parents:
4088
diff
changeset
|
3842 |
1972 | 3843 #endif // SHARE_VM_RUNTIME_GLOBALS_HPP |