Mercurial > hg > graal-compiler
annotate src/share/vm/runtime/globals.hpp @ 2607:008adfd6d850
Fixed the stateBefore of invokes and monitorenter instructions to include the arguments of the instruction.
This is necessary to ensure correct continuation in the interpreter when the stateBefore is used as a deoptimization point.
| author | Thomas Wuerthinger <thomas@wuerthinger.net> |
|---|---|
| date | Fri, 06 May 2011 17:47:17 +0200 |
| parents | 4e5515d09314 |
| children | be4ca325525a |
| rev | line source |
|---|---|
| 0 | 1 /* |
|
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2 * Copyright (c) 1997, 2011, 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" | |
| 29 #ifdef TARGET_ARCH_x86 | |
| 30 # include "globals_x86.hpp" | |
| 31 #endif | |
| 32 #ifdef TARGET_ARCH_sparc | |
| 33 # include "globals_sparc.hpp" | |
| 34 #endif | |
| 35 #ifdef TARGET_ARCH_zero | |
| 36 # include "globals_zero.hpp" | |
| 37 #endif | |
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38 #ifdef TARGET_ARCH_arm |
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39 # include "globals_arm.hpp" |
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40 #endif |
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41 #ifdef TARGET_ARCH_ppc |
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42 # include "globals_ppc.hpp" |
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43 #endif |
| 1972 | 44 #ifdef TARGET_OS_FAMILY_linux |
| 45 # include "globals_linux.hpp" | |
| 46 #endif | |
| 47 #ifdef TARGET_OS_FAMILY_solaris | |
| 48 # include "globals_solaris.hpp" | |
| 49 #endif | |
| 50 #ifdef TARGET_OS_FAMILY_windows | |
| 51 # include "globals_windows.hpp" | |
| 52 #endif | |
| 53 #ifdef TARGET_OS_ARCH_linux_x86 | |
| 54 # include "globals_linux_x86.hpp" | |
| 55 #endif | |
| 56 #ifdef TARGET_OS_ARCH_linux_sparc | |
| 57 # include "globals_linux_sparc.hpp" | |
| 58 #endif | |
| 59 #ifdef TARGET_OS_ARCH_linux_zero | |
| 60 # include "globals_linux_zero.hpp" | |
| 61 #endif | |
| 62 #ifdef TARGET_OS_ARCH_solaris_x86 | |
| 63 # include "globals_solaris_x86.hpp" | |
| 64 #endif | |
| 65 #ifdef TARGET_OS_ARCH_solaris_sparc | |
| 66 # include "globals_solaris_sparc.hpp" | |
| 67 #endif | |
| 68 #ifdef TARGET_OS_ARCH_windows_x86 | |
| 69 # include "globals_windows_x86.hpp" | |
| 70 #endif | |
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71 #ifdef TARGET_OS_ARCH_linux_arm |
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72 # include "globals_linux_arm.hpp" |
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73 #endif |
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74 #ifdef TARGET_OS_ARCH_linux_ppc |
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75 # include "globals_linux_ppc.hpp" |
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76 #endif |
| 1972 | 77 #ifdef COMPILER1 |
| 78 #ifdef TARGET_ARCH_x86 | |
| 79 # include "c1_globals_x86.hpp" | |
| 80 #endif | |
| 81 #ifdef TARGET_ARCH_sparc | |
| 82 # include "c1_globals_sparc.hpp" | |
| 83 #endif | |
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84 #ifdef TARGET_ARCH_arm |
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85 # include "c1_globals_arm.hpp" |
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86 #endif |
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87 #ifdef TARGET_ARCH_ppc |
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88 # include "c1_globals_ppc.hpp" |
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89 #endif |
| 1972 | 90 #ifdef TARGET_OS_FAMILY_linux |
| 91 # include "c1_globals_linux.hpp" | |
| 92 #endif | |
| 93 #ifdef TARGET_OS_FAMILY_solaris | |
| 94 # include "c1_globals_solaris.hpp" | |
| 95 #endif | |
| 96 #ifdef TARGET_OS_FAMILY_windows | |
| 97 # include "c1_globals_windows.hpp" | |
| 98 #endif | |
| 99 #endif | |
| 100 #ifdef COMPILER2 | |
| 101 #ifdef TARGET_ARCH_x86 | |
| 102 # include "c2_globals_x86.hpp" | |
| 103 #endif | |
| 104 #ifdef TARGET_ARCH_sparc | |
| 105 # include "c2_globals_sparc.hpp" | |
| 106 #endif | |
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107 #ifdef TARGET_ARCH_arm |
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108 # include "c2_globals_arm.hpp" |
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109 #endif |
| 1972 | 110 #ifdef TARGET_OS_FAMILY_linux |
| 111 # include "c2_globals_linux.hpp" | |
| 112 #endif | |
| 113 #ifdef TARGET_OS_FAMILY_solaris | |
| 114 # include "c2_globals_solaris.hpp" | |
| 115 #endif | |
| 116 #ifdef TARGET_OS_FAMILY_windows | |
| 117 # include "c2_globals_windows.hpp" | |
| 118 #endif | |
| 119 #endif | |
| 120 #ifdef SHARK | |
| 121 #ifdef TARGET_ARCH_zero | |
| 122 # include "shark_globals_zero.hpp" | |
| 123 #endif | |
| 124 #endif | |
| 125 | |
| 1692 | 126 #if !defined(COMPILER1) && !defined(COMPILER2) && !defined(SHARK) |
| 0 | 127 define_pd_global(bool, BackgroundCompilation, false); |
| 128 define_pd_global(bool, UseTLAB, false); | |
| 129 define_pd_global(bool, CICompileOSR, false); | |
| 130 define_pd_global(bool, UseTypeProfile, false); | |
| 131 define_pd_global(bool, UseOnStackReplacement, false); | |
| 132 define_pd_global(bool, InlineIntrinsics, false); | |
| 133 define_pd_global(bool, PreferInterpreterNativeStubs, true); | |
| 134 define_pd_global(bool, ProfileInterpreter, false); | |
| 135 define_pd_global(bool, ProfileTraps, false); | |
| 136 define_pd_global(bool, TieredCompilation, false); | |
| 137 | |
| 138 define_pd_global(intx, CompileThreshold, 0); | |
| 139 define_pd_global(intx, BackEdgeThreshold, 0); | |
| 140 | |
| 141 define_pd_global(intx, OnStackReplacePercentage, 0); | |
| 142 define_pd_global(bool, ResizeTLAB, false); | |
| 143 define_pd_global(intx, FreqInlineSize, 0); | |
| 1064 | 144 define_pd_global(intx, InlineSmallCode, 0); |
| 0 | 145 define_pd_global(intx, NewSizeThreadIncrease, 4*K); |
| 146 define_pd_global(intx, InlineClassNatives, true); | |
| 147 define_pd_global(intx, InlineUnsafeOps, true); | |
| 148 define_pd_global(intx, InitialCodeCacheSize, 160*K); | |
| 149 define_pd_global(intx, ReservedCodeCacheSize, 32*M); | |
| 150 define_pd_global(intx, CodeCacheExpansionSize, 32*K); | |
| 151 define_pd_global(intx, CodeCacheMinBlockLength, 1); | |
| 152 define_pd_global(uintx,PermSize, ScaleForWordSize(4*M)); | |
| 153 define_pd_global(uintx,MaxPermSize, ScaleForWordSize(64*M)); | |
| 154 define_pd_global(bool, NeverActAsServerClassMachine, true); | |
| 1064 | 155 define_pd_global(uint64_t,MaxRAM, 1ULL*G); |
| 0 | 156 #define CI_COMPILER_COUNT 0 |
| 157 #else | |
| 158 | |
| 159 #ifdef COMPILER2 | |
| 160 #define CI_COMPILER_COUNT 2 | |
| 161 #else | |
| 162 #define CI_COMPILER_COUNT 1 | |
| 163 #endif // COMPILER2 | |
| 164 | |
| 165 #endif // no compilers | |
| 166 | |
| 167 | |
| 168 // string type aliases used only in this file | |
| 169 typedef const char* ccstr; | |
| 170 typedef const char* ccstrlist; // represents string arguments which accumulate | |
| 171 | |
| 172 enum FlagValueOrigin { | |
| 173 DEFAULT = 0, | |
| 174 COMMAND_LINE = 1, | |
| 175 ENVIRON_VAR = 2, | |
| 176 CONFIG_FILE = 3, | |
| 177 MANAGEMENT = 4, | |
| 178 ERGONOMIC = 5, | |
| 179 ATTACH_ON_DEMAND = 6, | |
| 180 INTERNAL = 99 | |
| 181 }; | |
| 182 | |
| 183 struct Flag { | |
| 184 const char *type; | |
| 185 const char *name; | |
| 186 void* addr; | |
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187 |
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188 NOT_PRODUCT(const char *doc;) |
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189 |
| 0 | 190 const char *kind; |
| 191 FlagValueOrigin origin; | |
| 192 | |
| 193 // points to all Flags static array | |
| 194 static Flag *flags; | |
| 195 | |
| 196 // number of flags | |
| 197 static size_t numFlags; | |
| 198 | |
| 199 static Flag* find_flag(char* name, size_t length); | |
| 200 | |
| 201 bool is_bool() const { return strcmp(type, "bool") == 0; } | |
| 202 bool get_bool() const { return *((bool*) addr); } | |
| 203 void set_bool(bool value) { *((bool*) addr) = value; } | |
| 204 | |
| 205 bool is_intx() const { return strcmp(type, "intx") == 0; } | |
| 206 intx get_intx() const { return *((intx*) addr); } | |
| 207 void set_intx(intx value) { *((intx*) addr) = value; } | |
| 208 | |
| 209 bool is_uintx() const { return strcmp(type, "uintx") == 0; } | |
| 210 uintx get_uintx() const { return *((uintx*) addr); } | |
| 211 void set_uintx(uintx value) { *((uintx*) addr) = value; } | |
| 212 | |
| 1064 | 213 bool is_uint64_t() const { return strcmp(type, "uint64_t") == 0; } |
| 214 uint64_t get_uint64_t() const { return *((uint64_t*) addr); } | |
| 215 void set_uint64_t(uint64_t value) { *((uint64_t*) addr) = value; } | |
| 216 | |
| 0 | 217 bool is_double() const { return strcmp(type, "double") == 0; } |
| 218 double get_double() const { return *((double*) addr); } | |
| 219 void set_double(double value) { *((double*) addr) = value; } | |
| 220 | |
| 221 bool is_ccstr() const { return strcmp(type, "ccstr") == 0 || strcmp(type, "ccstrlist") == 0; } | |
| 222 bool ccstr_accumulates() const { return strcmp(type, "ccstrlist") == 0; } | |
| 223 ccstr get_ccstr() const { return *((ccstr*) addr); } | |
| 224 void set_ccstr(ccstr value) { *((ccstr*) addr) = value; } | |
| 225 | |
| 226 bool is_unlocker() const; | |
| 227 bool is_unlocked() const; | |
| 228 bool is_writeable() const; | |
| 229 bool is_external() const; | |
| 230 | |
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231 void print_on(outputStream* st, bool withComments = false ); |
| 0 | 232 void print_as_flag(outputStream* st); |
| 233 }; | |
| 234 | |
| 235 // debug flags control various aspects of the VM and are global accessible | |
| 236 | |
| 237 // use FlagSetting to temporarily change some debug flag | |
| 238 // e.g. FlagSetting fs(DebugThisAndThat, true); | |
| 239 // restored to previous value upon leaving scope | |
| 240 class FlagSetting { | |
| 241 bool val; | |
| 242 bool* flag; | |
| 243 public: | |
| 244 FlagSetting(bool& fl, bool newValue) { flag = &fl; val = fl; fl = newValue; } | |
| 245 ~FlagSetting() { *flag = val; } | |
| 246 }; | |
| 247 | |
| 248 | |
| 249 class CounterSetting { | |
| 250 intx* counter; | |
| 251 public: | |
| 252 CounterSetting(intx* cnt) { counter = cnt; (*counter)++; } | |
| 253 ~CounterSetting() { (*counter)--; } | |
| 254 }; | |
| 255 | |
| 256 | |
| 257 class IntFlagSetting { | |
| 258 intx val; | |
| 259 intx* flag; | |
| 260 public: | |
| 261 IntFlagSetting(intx& fl, intx newValue) { flag = &fl; val = fl; fl = newValue; } | |
| 262 ~IntFlagSetting() { *flag = val; } | |
| 263 }; | |
| 264 | |
| 265 | |
| 266 class DoubleFlagSetting { | |
| 267 double val; | |
| 268 double* flag; | |
| 269 public: | |
| 270 DoubleFlagSetting(double& fl, double newValue) { flag = &fl; val = fl; fl = newValue; } | |
| 271 ~DoubleFlagSetting() { *flag = val; } | |
| 272 }; | |
| 273 | |
| 274 | |
| 275 class CommandLineFlags { | |
| 276 public: | |
| 277 static bool boolAt(char* name, size_t len, bool* value); | |
| 278 static bool boolAt(char* name, bool* value) { return boolAt(name, strlen(name), value); } | |
| 279 static bool boolAtPut(char* name, size_t len, bool* value, FlagValueOrigin origin); | |
| 280 static bool boolAtPut(char* name, bool* value, FlagValueOrigin origin) { return boolAtPut(name, strlen(name), value, origin); } | |
| 281 | |
| 282 static bool intxAt(char* name, size_t len, intx* value); | |
| 283 static bool intxAt(char* name, intx* value) { return intxAt(name, strlen(name), value); } | |
| 284 static bool intxAtPut(char* name, size_t len, intx* value, FlagValueOrigin origin); | |
| 285 static bool intxAtPut(char* name, intx* value, FlagValueOrigin origin) { return intxAtPut(name, strlen(name), value, origin); } | |
| 286 | |
| 287 static bool uintxAt(char* name, size_t len, uintx* value); | |
| 288 static bool uintxAt(char* name, uintx* value) { return uintxAt(name, strlen(name), value); } | |
| 289 static bool uintxAtPut(char* name, size_t len, uintx* value, FlagValueOrigin origin); | |
| 290 static bool uintxAtPut(char* name, uintx* value, FlagValueOrigin origin) { return uintxAtPut(name, strlen(name), value, origin); } | |
| 291 | |
| 1064 | 292 static bool uint64_tAt(char* name, size_t len, uint64_t* value); |
| 293 static bool uint64_tAt(char* name, uint64_t* value) { return uint64_tAt(name, strlen(name), value); } | |
| 294 static bool uint64_tAtPut(char* name, size_t len, uint64_t* value, FlagValueOrigin origin); | |
| 295 static bool uint64_tAtPut(char* name, uint64_t* value, FlagValueOrigin origin) { return uint64_tAtPut(name, strlen(name), value, origin); } | |
| 296 | |
| 0 | 297 static bool doubleAt(char* name, size_t len, double* value); |
| 298 static bool doubleAt(char* name, double* value) { return doubleAt(name, strlen(name), value); } | |
| 299 static bool doubleAtPut(char* name, size_t len, double* value, FlagValueOrigin origin); | |
| 300 static bool doubleAtPut(char* name, double* value, FlagValueOrigin origin) { return doubleAtPut(name, strlen(name), value, origin); } | |
| 301 | |
| 302 static bool ccstrAt(char* name, size_t len, ccstr* value); | |
| 303 static bool ccstrAt(char* name, ccstr* value) { return ccstrAt(name, strlen(name), value); } | |
| 304 static bool ccstrAtPut(char* name, size_t len, ccstr* value, FlagValueOrigin origin); | |
| 305 static bool ccstrAtPut(char* name, ccstr* value, FlagValueOrigin origin) { return ccstrAtPut(name, strlen(name), value, origin); } | |
| 306 | |
| 307 // Returns false if name is not a command line flag. | |
| 308 static bool wasSetOnCmdline(const char* name, bool* value); | |
| 309 static void printSetFlags(); | |
| 310 | |
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311 static void printFlags(bool withComments = false ); |
| 0 | 312 |
| 313 static void verify() PRODUCT_RETURN; | |
| 314 }; | |
| 315 | |
| 316 // use this for flags that are true by default in the debug version but | |
| 317 // false in the optimized version, and vice versa | |
| 318 #ifdef ASSERT | |
| 319 #define trueInDebug true | |
| 320 #define falseInDebug false | |
| 321 #else | |
| 322 #define trueInDebug false | |
| 323 #define falseInDebug true | |
| 324 #endif | |
| 325 | |
| 326 // use this for flags that are true per default in the product build | |
| 327 // but false in development builds, and vice versa | |
| 328 #ifdef PRODUCT | |
| 329 #define trueInProduct true | |
| 330 #define falseInProduct false | |
| 331 #else | |
| 332 #define trueInProduct false | |
| 333 #define falseInProduct true | |
| 334 #endif | |
| 335 | |
| 336 // use this for flags that are true per default in the tiered build | |
| 337 // but false in non-tiered builds, and vice versa | |
| 338 #ifdef TIERED | |
| 339 #define trueInTiered true | |
| 340 #define falseInTiered false | |
| 341 #else | |
| 342 #define trueInTiered false | |
| 343 #define falseInTiered true | |
| 344 #endif | |
| 345 | |
| 346 // develop flags are settable / visible only during development and are constant in the PRODUCT version | |
| 347 // product flags are always settable / visible | |
| 348 // notproduct flags are settable / visible only during development and are not declared in the PRODUCT version | |
| 349 | |
| 350 // A flag must be declared with one of the following types: | |
| 351 // bool, intx, uintx, ccstr. | |
| 352 // The type "ccstr" is an alias for "const char*" and is used | |
| 353 // only in this file, because the macrology requires single-token type names. | |
| 354 | |
| 355 // Note: Diagnostic options not meant for VM tuning or for product modes. | |
| 356 // They are to be used for VM quality assurance or field diagnosis | |
| 357 // of VM bugs. They are hidden so that users will not be encouraged to | |
| 358 // try them as if they were VM ordinary execution options. However, they | |
| 359 // are available in the product version of the VM. Under instruction | |
| 360 // from support engineers, VM customers can turn them on to collect | |
| 361 // diagnostic information about VM problems. To use a VM diagnostic | |
| 362 // option, you must first specify +UnlockDiagnosticVMOptions. | |
| 363 // (This master switch also affects the behavior of -Xprintflags.) | |
|
350
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364 // |
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365 // experimental flags are in support of features that are not |
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366 // part of the officially supported product, but are available |
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367 // for experimenting with. They could, for example, be performance |
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368 // features that may not have undergone full or rigorous QA, but which may |
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369 // help performance in some cases and released for experimentation |
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370 // by the community of users and developers. This flag also allows one to |
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371 // be able to build a fully supported product that nonetheless also |
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372 // ships with some unsupported, lightly tested, experimental features. |
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373 // Like the UnlockDiagnosticVMOptions flag above, there is a corresponding |
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374 // UnlockExperimentalVMOptions flag, which allows the control and |
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375 // modification of the experimental flags. |
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376 // |
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377 // Nota bene: neither diagnostic nor experimental options should be used casually, |
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378 // and they are not supported on production loads, except under explicit |
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379 // direction from support engineers. |
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380 // |
| 0 | 381 // manageable flags are writeable external product flags. |
| 382 // They are dynamically writeable through the JDK management interface | |
| 383 // (com.sun.management.HotSpotDiagnosticMXBean API) and also through JConsole. | |
| 384 // These flags are external exported interface (see CCC). The list of | |
| 385 // manageable flags can be queried programmatically through the management | |
| 386 // interface. | |
| 387 // | |
| 388 // A flag can be made as "manageable" only if | |
| 389 // - the flag is defined in a CCC as an external exported interface. | |
| 390 // - the VM implementation supports dynamic setting of the flag. | |
| 391 // This implies that the VM must *always* query the flag variable | |
| 392 // and not reuse state related to the flag state at any given time. | |
| 393 // - you want the flag to be queried programmatically by the customers. | |
| 394 // | |
| 395 // product_rw flags are writeable internal product flags. | |
| 396 // They are like "manageable" flags but for internal/private use. | |
| 397 // The list of product_rw flags are internal/private flags which | |
| 398 // may be changed/removed in a future release. It can be set | |
| 399 // through the management interface to get/set value | |
| 400 // when the name of flag is supplied. | |
| 401 // | |
| 402 // A flag can be made as "product_rw" only if | |
| 403 // - the VM implementation supports dynamic setting of the flag. | |
| 404 // This implies that the VM must *always* query the flag variable | |
| 405 // and not reuse state related to the flag state at any given time. | |
| 406 // | |
| 407 // Note that when there is a need to support develop flags to be writeable, | |
| 408 // it can be done in the same way as product_rw. | |
| 409 | |
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410 #define RUNTIME_FLAGS(develop, develop_pd, product, product_pd, diagnostic, experimental, notproduct, manageable, product_rw, lp64_product) \ |
|
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411 \ |
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412 lp64_product(bool, UseCompressedOops, false, \ |
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413 "Use 32-bit object references in 64-bit VM. " \ |
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414 "lp64_product means flag is always constant in 32 bit VM") \ |
| 0 | 415 \ |
|
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416 notproduct(bool, CheckCompressedOops, true, \ |
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417 "generate checks in encoding/decoding code in debug VM") \ |
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418 \ |
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419 product_pd(uintx, HeapBaseMinAddress, \ |
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420 "OS specific low limit for heap base address") \ |
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421 \ |
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422 diagnostic(bool, PrintCompressedOopsMode, false, \ |
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423 "Print compressed oops base address and encoding mode") \ |
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424 \ |
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425 lp64_product(intx, ObjectAlignmentInBytes, 8, \ |
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426 "Default object alignment in bytes, 8 is minimum") \ |
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427 \ |
| 0 | 428 /* UseMembar is theoretically a temp flag used for memory barrier \ |
| 429 * removal testing. It was supposed to be removed before FCS but has \ | |
| 430 * been re-added (see 6401008) */ \ | |
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431 product_pd(bool, UseMembar, \ |
| 0 | 432 "(Unstable) Issues membars on thread state transitions") \ |
| 433 \ | |
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434 /* Temp PPC Flag to allow disabling the use of lwsync on ppc platforms \ |
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435 * that don't support it. This will be replaced by processor detection \ |
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436 * logic. \ |
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437 */ \ |
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438 product(bool, UsePPCLWSYNC, true, \ |
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439 "Use lwsync instruction if true, else use slower sync") \ |
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440 \ |
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441 /* Temporary: See 6948537 */ \ |
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442 experimental(bool, UseMemSetInBOT, true, \ |
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443 "(Unstable) uses memset in BOT updates in GC code") \ |
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444 \ |
| 0 | 445 diagnostic(bool, UnlockDiagnosticVMOptions, trueInDebug, \ |
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446 "Enable normal processing of flags relating to field diagnostics")\ |
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447 \ |
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448 experimental(bool, UnlockExperimentalVMOptions, false, \ |
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449 "Enable normal processing of flags relating to experimental features")\ |
| 0 | 450 \ |
| 451 product(bool, JavaMonitorsInStackTrace, true, \ | |
| 452 "Print info. about Java monitor locks when the stacks are dumped")\ | |
| 453 \ | |
| 454 product_pd(bool, UseLargePages, \ | |
| 455 "Use large page memory") \ | |
| 456 \ | |
|
389
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457 product_pd(bool, UseLargePagesIndividualAllocation, \ |
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458 "Allocate large pages individually for better affinity") \ |
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459 \ |
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460 develop(bool, LargePagesIndividualAllocationInjectError, false, \ |
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461 "Fail large pages individual allocation") \ |
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462 \ |
| 0 | 463 develop(bool, TracePageSizes, false, \ |
| 464 "Trace page size selection and usage.") \ | |
| 465 \ | |
| 466 product(bool, UseNUMA, false, \ | |
| 467 "Use NUMA if available") \ | |
| 468 \ | |
|
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469 product(bool, ForceNUMA, false, \ |
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470 "Force NUMA optimizations on single-node/UMA systems") \ |
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471 \ |
| 0 | 472 product(intx, NUMAChunkResizeWeight, 20, \ |
| 473 "Percentage (0-100) used to weight the current sample when " \ | |
| 474 "computing exponentially decaying average for " \ | |
| 475 "AdaptiveNUMAChunkSizing") \ | |
| 476 \ | |
| 477 product(intx, NUMASpaceResizeRate, 1*G, \ | |
| 478 "Do not reallocate more that this amount per collection") \ | |
| 479 \ | |
| 480 product(bool, UseAdaptiveNUMAChunkSizing, true, \ | |
| 481 "Enable adaptive chunk sizing for NUMA") \ | |
| 482 \ | |
| 483 product(bool, NUMAStats, false, \ | |
| 484 "Print NUMA stats in detailed heap information") \ | |
| 485 \ | |
| 486 product(intx, NUMAPageScanRate, 256, \ | |
| 487 "Maximum number of pages to include in the page scan procedure") \ | |
| 488 \ | |
| 489 product_pd(bool, NeedsDeoptSuspend, \ | |
| 490 "True for register window machines (sparc/ia64)") \ | |
| 491 \ | |
| 492 product(intx, UseSSE, 99, \ | |
| 493 "Highest supported SSE instructions set on x86/x64") \ | |
| 494 \ | |
| 495 product(uintx, LargePageSizeInBytes, 0, \ | |
| 496 "Large page size (0 to let VM choose the page size") \ | |
| 497 \ | |
| 498 product(uintx, LargePageHeapSizeThreshold, 128*M, \ | |
| 499 "Use large pages if max heap is at least this big") \ | |
| 500 \ | |
| 501 product(bool, ForceTimeHighResolution, false, \ | |
| 502 "Using high time resolution(For Win32 only)") \ | |
| 503 \ | |
| 504 develop(bool, TraceItables, false, \ | |
| 505 "Trace initialization and use of itables") \ | |
| 506 \ | |
| 507 develop(bool, TracePcPatching, false, \ | |
| 508 "Trace usage of frame::patch_pc") \ | |
| 509 \ | |
| 510 develop(bool, TraceJumps, false, \ | |
| 511 "Trace assembly jumps in thread ring buffer") \ | |
| 512 \ | |
| 513 develop(bool, TraceRelocator, false, \ | |
| 514 "Trace the bytecode relocator") \ | |
| 515 \ | |
| 516 develop(bool, TraceLongCompiles, false, \ | |
| 517 "Print out every time compilation is longer than " \ | |
| 518 "a given threashold") \ | |
| 519 \ | |
| 520 develop(bool, SafepointALot, false, \ | |
| 521 "Generates a lot of safepoints. Works with " \ | |
| 522 "GuaranteedSafepointInterval") \ | |
| 523 \ | |
| 524 product_pd(bool, BackgroundCompilation, \ | |
| 525 "A thread requesting compilation is not blocked during " \ | |
| 526 "compilation") \ | |
| 527 \ | |
| 528 product(bool, PrintVMQWaitTime, false, \ | |
| 529 "Prints out the waiting time in VM operation queue") \ | |
| 530 \ | |
| 531 develop(bool, BailoutToInterpreterForThrows, false, \ | |
| 532 "Compiled methods which throws/catches exceptions will be " \ | |
| 533 "deopt and intp.") \ | |
| 534 \ | |
| 535 develop(bool, NoYieldsInMicrolock, false, \ | |
| 536 "Disable yields in microlock") \ | |
| 537 \ | |
| 538 develop(bool, TraceOopMapGeneration, false, \ | |
| 539 "Shows oopmap generation") \ | |
| 540 \ | |
| 541 product(bool, MethodFlushing, true, \ | |
| 542 "Reclamation of zombie and not-entrant methods") \ | |
| 543 \ | |
| 544 develop(bool, VerifyStack, false, \ | |
| 545 "Verify stack of each thread when it is entering a runtime call") \ | |
| 546 \ | |
| 547 develop(bool, ForceUnreachable, false, \ | |
| 548 "(amd64) Make all non code cache addresses to be unreachable with rip-rel forcing use of 64bit literal fixups") \ | |
| 549 \ | |
| 550 notproduct(bool, StressDerivedPointers, false, \ | |
| 551 "Force scavenge when a derived pointers is detected on stack " \ | |
| 552 "after rtm call") \ | |
| 553 \ | |
| 554 develop(bool, TraceDerivedPointers, false, \ | |
| 555 "Trace traversal of derived pointers on stack") \ | |
| 556 \ | |
| 557 notproduct(bool, TraceCodeBlobStacks, false, \ | |
| 558 "Trace stack-walk of codeblobs") \ | |
| 559 \ | |
| 560 product(bool, PrintJNIResolving, false, \ | |
| 561 "Used to implement -v:jni") \ | |
| 562 \ | |
| 563 notproduct(bool, PrintRewrites, false, \ | |
| 564 "Print methods that are being rewritten") \ | |
| 565 \ | |
| 566 product(bool, UseInlineCaches, true, \ | |
| 567 "Use Inline Caches for virtual calls ") \ | |
| 568 \ | |
| 569 develop(bool, InlineArrayCopy, true, \ | |
| 570 "inline arraycopy native that is known to be part of " \ | |
| 571 "base library DLL") \ | |
| 572 \ | |
| 573 develop(bool, InlineObjectHash, true, \ | |
| 574 "inline Object::hashCode() native that is known to be part " \ | |
| 575 "of base library DLL") \ | |
| 576 \ | |
| 577 develop(bool, InlineObjectCopy, true, \ | |
| 578 "inline Object.clone and Arrays.copyOf[Range] intrinsics") \ | |
| 579 \ | |
| 580 develop(bool, InlineNatives, true, \ | |
| 581 "inline natives that are known to be part of base library DLL") \ | |
| 582 \ | |
| 583 develop(bool, InlineMathNatives, true, \ | |
| 584 "inline SinD, CosD, etc.") \ | |
| 585 \ | |
| 586 develop(bool, InlineClassNatives, true, \ | |
| 587 "inline Class.isInstance, etc") \ | |
| 588 \ | |
| 589 develop(bool, InlineAtomicLong, true, \ | |
| 590 "inline sun.misc.AtomicLong") \ | |
| 591 \ | |
| 592 develop(bool, InlineThreadNatives, true, \ | |
| 593 "inline Thread.currentThread, etc") \ | |
| 594 \ | |
| 595 develop(bool, InlineReflectionGetCallerClass, true, \ | |
| 596 "inline sun.reflect.Reflection.getCallerClass(), known to be part "\ | |
| 597 "of base library DLL") \ | |
| 598 \ | |
| 599 develop(bool, InlineUnsafeOps, true, \ | |
| 600 "inline memory ops (native methods) from sun.misc.Unsafe") \ | |
| 601 \ | |
| 602 develop(bool, ConvertCmpD2CmpF, true, \ | |
| 603 "Convert cmpD to cmpF when one input is constant in float range") \ | |
| 604 \ | |
| 605 develop(bool, ConvertFloat2IntClipping, true, \ | |
| 606 "Convert float2int clipping idiom to integer clipping") \ | |
| 607 \ | |
| 608 develop(bool, SpecialStringCompareTo, true, \ | |
| 609 "special version of string compareTo") \ | |
| 610 \ | |
| 611 develop(bool, SpecialStringIndexOf, true, \ | |
| 612 "special version of string indexOf") \ | |
| 613 \ | |
| 681 | 614 develop(bool, SpecialStringEquals, true, \ |
| 615 "special version of string equals") \ | |
| 616 \ | |
| 617 develop(bool, SpecialArraysEquals, true, \ | |
|
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618 "special version of Arrays.equals(char[],char[])") \ |
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619 \ |
| 681 | 620 product(bool, UseSSE42Intrinsics, false, \ |
| 621 "SSE4.2 versions of intrinsics") \ | |
| 622 \ | |
| 0 | 623 develop(bool, TraceCallFixup, false, \ |
| 624 "traces all call fixups") \ | |
| 625 \ | |
| 626 develop(bool, DeoptimizeALot, false, \ | |
| 627 "deoptimize at every exit from the runtime system") \ | |
| 628 \ | |
| 434 | 629 notproduct(ccstrlist, DeoptimizeOnlyAt, "", \ |
| 0 | 630 "a comma separated list of bcis to deoptimize at") \ |
| 631 \ | |
| 632 product(bool, DeoptimizeRandom, false, \ | |
| 633 "deoptimize random frames on random exit from the runtime system")\ | |
| 634 \ | |
| 635 notproduct(bool, ZombieALot, false, \ | |
| 636 "creates zombies (non-entrant) at exit from the runt. system") \ | |
| 637 \ | |
|
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638 product(bool, UnlinkSymbolsALot, false, \ |
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639 "unlink unreferenced symbols from the symbol table at safepoints")\ |
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640 \ |
| 0 | 641 notproduct(bool, WalkStackALot, false, \ |
| 642 "trace stack (no print) at every exit from the runtime system") \ | |
| 643 \ | |
| 644 develop(bool, Debugging, false, \ | |
| 645 "set when executing debug methods in debug.ccp " \ | |
| 646 "(to prevent triggering assertions)") \ | |
| 647 \ | |
| 648 notproduct(bool, StrictSafepointChecks, trueInDebug, \ | |
| 649 "Enable strict checks that safepoints cannot happen for threads " \ | |
| 650 "that used No_Safepoint_Verifier") \ | |
| 651 \ | |
| 652 notproduct(bool, VerifyLastFrame, false, \ | |
| 653 "Verify oops on last frame on entry to VM") \ | |
| 654 \ | |
| 655 develop(bool, TraceHandleAllocation, false, \ | |
| 656 "Prints out warnings when suspicious many handles are allocated") \ | |
| 657 \ | |
| 658 product(bool, UseCompilerSafepoints, true, \ | |
| 659 "Stop at safepoints in compiled code") \ | |
| 660 \ | |
| 661 product(bool, UseSplitVerifier, true, \ | |
| 662 "use split verifier with StackMapTable attributes") \ | |
| 663 \ | |
| 664 product(bool, FailOverToOldVerifier, true, \ | |
| 665 "fail over to old verifier when split verifier fails") \ | |
| 666 \ | |
| 667 develop(bool, ShowSafepointMsgs, false, \ | |
| 668 "Show msg. about safepoint synch.") \ | |
| 669 \ | |
| 670 product(bool, SafepointTimeout, false, \ | |
| 671 "Time out and warn or fail after SafepointTimeoutDelay " \ | |
| 672 "milliseconds if failed to reach safepoint") \ | |
| 673 \ | |
| 674 develop(bool, DieOnSafepointTimeout, false, \ | |
| 675 "Die upon failure to reach safepoint (see SafepointTimeout)") \ | |
| 676 \ | |
| 677 /* 50 retries * (5 * current_retry_count) millis = ~6.375 seconds */ \ | |
| 678 /* typically, at most a few retries are needed */ \ | |
| 679 product(intx, SuspendRetryCount, 50, \ | |
| 680 "Maximum retry count for an external suspend request") \ | |
| 681 \ | |
| 682 product(intx, SuspendRetryDelay, 5, \ | |
| 683 "Milliseconds to delay per retry (* current_retry_count)") \ | |
| 684 \ | |
| 685 product(bool, AssertOnSuspendWaitFailure, false, \ | |
| 686 "Assert/Guarantee on external suspend wait failure") \ | |
| 687 \ | |
| 688 product(bool, TraceSuspendWaitFailures, false, \ | |
| 689 "Trace external suspend wait failures") \ | |
| 690 \ | |
| 691 product(bool, MaxFDLimit, true, \ | |
| 692 "Bump the number of file descriptors to max in solaris.") \ | |
| 693 \ | |
| 694 notproduct(bool, LogEvents, trueInDebug, \ | |
| 695 "Enable Event log") \ | |
| 696 \ | |
| 697 product(bool, BytecodeVerificationRemote, true, \ | |
| 698 "Enables the Java bytecode verifier for remote classes") \ | |
| 699 \ | |
| 700 product(bool, BytecodeVerificationLocal, false, \ | |
| 701 "Enables the Java bytecode verifier for local classes") \ | |
| 702 \ | |
| 703 develop(bool, ForceFloatExceptions, trueInDebug, \ | |
| 704 "Force exceptions on FP stack under/overflow") \ | |
| 705 \ | |
| 706 develop(bool, SoftMatchFailure, trueInProduct, \ | |
| 707 "If the DFA fails to match a node, print a message and bail out") \ | |
| 708 \ | |
| 709 develop(bool, VerifyStackAtCalls, false, \ | |
| 710 "Verify that the stack pointer is unchanged after calls") \ | |
| 711 \ | |
| 712 develop(bool, TraceJavaAssertions, false, \ | |
| 713 "Trace java language assertions") \ | |
| 714 \ | |
| 715 notproduct(bool, CheckAssertionStatusDirectives, false, \ | |
| 716 "temporary - see javaClasses.cpp") \ | |
| 717 \ | |
| 718 notproduct(bool, PrintMallocFree, false, \ | |
| 719 "Trace calls to C heap malloc/free allocation") \ | |
| 720 \ | |
|
1681
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721 product(bool, PrintOopAddress, false, \ |
| 0 | 722 "Always print the location of the oop") \ |
| 723 \ | |
| 724 notproduct(bool, VerifyCodeCacheOften, false, \ | |
| 725 "Verify compiled-code cache often") \ | |
| 726 \ | |
| 727 develop(bool, ZapDeadCompiledLocals, false, \ | |
| 728 "Zap dead locals in compiler frames") \ | |
| 729 \ | |
| 730 notproduct(bool, ZapDeadLocalsOld, false, \ | |
| 731 "Zap dead locals (old version, zaps all frames when " \ | |
| 732 "entering the VM") \ | |
| 733 \ | |
| 734 notproduct(bool, CheckOopishValues, false, \ | |
| 735 "Warn if value contains oop ( requires ZapDeadLocals)") \ | |
| 736 \ | |
| 737 develop(bool, UseMallocOnly, false, \ | |
| 738 "use only malloc/free for allocation (no resource area/arena)") \ | |
| 739 \ | |
| 740 develop(bool, PrintMalloc, false, \ | |
| 741 "print all malloc/free calls") \ | |
| 742 \ | |
| 2250 | 743 develop(bool, PrintMallocStatistics, false, \ |
| 744 "print malloc/free statistics") \ | |
| 745 \ | |
| 0 | 746 develop(bool, ZapResourceArea, trueInDebug, \ |
| 747 "Zap freed resource/arena space with 0xABABABAB") \ | |
| 748 \ | |
| 749 notproduct(bool, ZapVMHandleArea, trueInDebug, \ | |
| 750 "Zap freed VM handle space with 0xBCBCBCBC") \ | |
| 751 \ | |
| 752 develop(bool, ZapJNIHandleArea, trueInDebug, \ | |
| 753 "Zap freed JNI handle space with 0xFEFEFEFE") \ | |
| 754 \ | |
|
1836
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|
755 notproduct(bool, ZapStackSegments, trueInDebug, \ |
|
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|
756 "Zap allocated/freed Stack segments with 0xFADFADED") \ |
|
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757 \ |
|
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|
758 develop(bool, ZapUnusedHeapArea, trueInDebug, \ |
| 0 | 759 "Zap unused heap space with 0xBAADBABE") \ |
| 760 \ | |
|
263
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761 develop(bool, TraceZapUnusedHeapArea, false, \ |
|
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|
762 "Trace zapping of unused heap space") \ |
|
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|
763 \ |
|
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|
764 develop(bool, CheckZapUnusedHeapArea, false, \ |
|
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|
765 "Check zapping of unused heap space") \ |
|
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|
766 \ |
|
481
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|
767 develop(bool, ZapFillerObjects, trueInDebug, \ |
|
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|
768 "Zap filler objects with 0xDEAFBABE") \ |
|
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|
769 \ |
| 0 | 770 develop(bool, PrintVMMessages, true, \ |
| 771 "Print vm messages on console") \ | |
| 772 \ | |
| 773 product(bool, PrintGCApplicationConcurrentTime, false, \ | |
| 774 "Print the time the application has been running") \ | |
| 775 \ | |
| 776 product(bool, PrintGCApplicationStoppedTime, false, \ | |
| 777 "Print the time the application has been stopped") \ | |
| 778 \ | |
|
1490
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|
779 notproduct(uintx, ErrorHandlerTest, 0, \ |
|
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|
780 "If > 0, provokes an error after VM initialization; the value" \ |
|
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781 "determines which error to provoke. See test_error_handler()" \ |
|
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|
782 "in debug.cpp.") \ |
|
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|
783 \ |
| 0 | 784 develop(bool, Verbose, false, \ |
| 785 "Prints additional debugging information from other modes") \ | |
| 786 \ | |
| 787 develop(bool, PrintMiscellaneous, false, \ | |
| 788 "Prints uncategorized debugging information (requires +Verbose)") \ | |
| 789 \ | |
| 790 develop(bool, WizardMode, false, \ | |
| 791 "Prints much more debugging information") \ | |
| 792 \ | |
| 793 product(bool, ShowMessageBoxOnError, false, \ | |
| 794 "Keep process alive on VM fatal error") \ | |
| 795 \ | |
|
2204
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|
796 product(bool, CreateMinidumpOnCrash, false, \ |
|
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diff
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|
797 "Create minidump on VM fatal error") \ |
|
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|
798 \ |
| 0 | 799 product_pd(bool, UseOSErrorReporting, \ |
| 800 "Let VM fatal error propagate to the OS (ie. WER on Windows)") \ | |
| 801 \ | |
| 802 product(bool, SuppressFatalErrorMessage, false, \ | |
| 803 "Do NO Fatal Error report [Avoid deadlock]") \ | |
| 804 \ | |
| 805 product(ccstrlist, OnError, "", \ | |
| 806 "Run user-defined commands on fatal error; see VMError.cpp " \ | |
| 807 "for examples") \ | |
| 808 \ | |
| 809 product(ccstrlist, OnOutOfMemoryError, "", \ | |
| 810 "Run user-defined commands on first java.lang.OutOfMemoryError") \ | |
| 811 \ | |
|
615
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|
812 manageable(bool, HeapDumpBeforeFullGC, false, \ |
|
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diff
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|
813 "Dump heap to file before any major stop-world GC") \ |
|
c6c601a0f2d6
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parents:
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diff
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|
814 \ |
|
c6c601a0f2d6
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parents:
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diff
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|
815 manageable(bool, HeapDumpAfterFullGC, false, \ |
|
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|
816 "Dump heap to file after any major stop-world GC") \ |
|
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|
817 \ |
| 0 | 818 manageable(bool, HeapDumpOnOutOfMemoryError, false, \ |
| 819 "Dump heap to file when java.lang.OutOfMemoryError is thrown") \ | |
| 820 \ | |
| 821 manageable(ccstr, HeapDumpPath, NULL, \ | |
| 822 "When HeapDumpOnOutOfMemoryError is on, the path (filename or" \ | |
| 823 "directory) of the dump file (defaults to java_pid<pid>.hprof" \ | |
| 824 "in the working directory)") \ | |
| 825 \ | |
| 826 develop(uintx, SegmentedHeapDumpThreshold, 2*G, \ | |
| 827 "Generate a segmented heap dump (JAVA PROFILE 1.0.2 format) " \ | |
| 828 "when the heap usage is larger than this") \ | |
| 829 \ | |
| 830 develop(uintx, HeapDumpSegmentSize, 1*G, \ | |
| 831 "Approximate segment size when generating a segmented heap dump") \ | |
| 832 \ | |
| 833 develop(bool, BreakAtWarning, false, \ | |
| 834 "Execute breakpoint upon encountering VM warning") \ | |
| 835 \ | |
| 836 product_pd(bool, UseVectoredExceptions, \ | |
| 837 "Temp Flag - Use Vectored Exceptions rather than SEH (Windows Only)") \ | |
| 838 \ | |
| 839 develop(bool, TraceVMOperation, false, \ | |
| 840 "Trace vm operations") \ | |
| 841 \ | |
| 842 develop(bool, UseFakeTimers, false, \ | |
| 843 "Tells whether the VM should use system time or a fake timer") \ | |
| 844 \ | |
| 845 diagnostic(bool, LogCompilation, false, \ | |
| 846 "Log compilation activity in detail to hotspot.log or LogFile") \ | |
| 847 \ | |
|
1939
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|
848 product(intx, MaxCompilationID, -1, \ |
|
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|
849 "All methods with greater compilation ID are skipped") \ |
|
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|
850 \ |
| 0 | 851 product(bool, PrintCompilation, false, \ |
| 852 "Print compilations") \ | |
| 853 \ | |
| 854 diagnostic(bool, TraceNMethodInstalls, false, \ | |
| 855 "Trace nmethod intallation") \ | |
| 856 \ | |
|
2379
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|
857 diagnostic(intx, ScavengeRootsInCode, 1, \ |
|
989
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|
858 "0: do not allow scavengable oops in the code cache; " \ |
|
148e5441d916
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diff
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|
859 "1: allow scavenging from the code cache; " \ |
|
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diff
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|
860 "2: emit as many constants as the compiler can see") \ |
|
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|
861 \ |
| 0 | 862 diagnostic(bool, TraceOSRBreakpoint, false, \ |
| 863 "Trace OSR Breakpoint ") \ | |
| 864 \ | |
| 865 diagnostic(bool, TraceCompileTriggered, false, \ | |
| 866 "Trace compile triggered") \ | |
| 867 \ | |
| 868 diagnostic(bool, TraceTriggers, false, \ | |
| 869 "Trace triggers") \ | |
| 870 \ | |
| 871 product(bool, AlwaysRestoreFPU, false, \ | |
| 872 "Restore the FPU control word after every JNI call (expensive)") \ | |
| 873 \ | |
| 874 notproduct(bool, PrintCompilation2, false, \ | |
| 875 "Print additional statistics per compilation") \ | |
| 876 \ | |
|
100
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|
877 diagnostic(bool, PrintAdapterHandlers, false, \ |
| 0 | 878 "Print code generated for i2c/c2i adapters") \ |
| 879 \ | |
|
1207
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parents:
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diff
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|
880 develop(bool, VerifyAdapterSharing, false, \ |
|
74c848d437ab
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parents:
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diff
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|
881 "Verify that the code for shared adapters is the equivalent") \ |
|
74c848d437ab
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diff
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|
882 \ |
|
100
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|
883 diagnostic(bool, PrintAssembly, false, \ |
|
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|
884 "Print assembly code (using external disassembler.so)") \ |
|
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|
885 \ |
|
370
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parents:
325
diff
changeset
|
886 diagnostic(ccstr, PrintAssemblyOptions, NULL, \ |
|
100
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|
887 "Options string passed to disassembler.so") \ |
|
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|
888 \ |
|
c7c777385a15
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changeset
|
889 diagnostic(bool, PrintNMethods, false, \ |
| 0 | 890 "Print assembly code for nmethods when generated") \ |
| 891 \ | |
|
100
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|
892 diagnostic(bool, PrintNativeNMethods, false, \ |
| 0 | 893 "Print assembly code for native nmethods when generated") \ |
| 894 \ | |
| 895 develop(bool, PrintDebugInfo, false, \ | |
| 896 "Print debug information for all nmethods when generated") \ | |
| 897 \ | |
| 898 develop(bool, PrintRelocations, false, \ | |
| 899 "Print relocation information for all nmethods when generated") \ | |
| 900 \ | |
| 901 develop(bool, PrintDependencies, false, \ | |
| 902 "Print dependency information for all nmethods when generated") \ | |
| 903 \ | |
| 904 develop(bool, PrintExceptionHandlers, false, \ | |
| 905 "Print exception handler tables for all nmethods when generated") \ | |
| 906 \ | |
| 907 develop(bool, InterceptOSException, false, \ | |
| 908 "Starts debugger when an implicit OS (e.g., NULL) " \ | |
| 909 "exception happens") \ | |
| 910 \ | |
| 911 notproduct(bool, PrintCodeCache, false, \ | |
| 912 "Print the compiled_code cache when exiting") \ | |
| 913 \ | |
| 914 develop(bool, PrintCodeCache2, false, \ | |
| 915 "Print detailed info on the compiled_code cache when exiting") \ | |
| 916 \ | |
|
100
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|
917 diagnostic(bool, PrintStubCode, false, \ |
| 0 | 918 "Print generated stub code") \ |
| 919 \ | |
| 920 product(bool, StackTraceInThrowable, true, \ | |
| 921 "Collect backtrace in throwable when exception happens") \ | |
| 922 \ | |
| 923 product(bool, OmitStackTraceInFastThrow, true, \ | |
| 924 "Omit backtraces for some 'hot' exceptions in optimized code") \ | |
| 925 \ | |
| 926 product(bool, ProfilerPrintByteCodeStatistics, false, \ | |
| 927 "Prints byte code statictics when dumping profiler output") \ | |
| 928 \ | |
| 929 product(bool, ProfilerRecordPC, false, \ | |
| 930 "Collects tick for each 16 byte interval of compiled code") \ | |
| 931 \ | |
| 1064 | 932 product(bool, ProfileVM, false, \ |
| 0 | 933 "Profiles ticks that fall within VM (either in the VM Thread " \ |
| 934 "or VM code called through stubs)") \ | |
| 935 \ | |
| 936 product(bool, ProfileIntervals, false, \ | |
| 937 "Prints profiles for each interval (see ProfileIntervalsTicks)") \ | |
| 938 \ | |
| 939 notproduct(bool, ProfilerCheckIntervals, false, \ | |
| 940 "Collect and print info on spacing of profiler ticks") \ | |
| 941 \ | |
| 942 develop(bool, PrintJVMWarnings, false, \ | |
| 943 "Prints warnings for unimplemented JVM functions") \ | |
| 944 \ | |
|
1870
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|
945 product(bool, PrintWarnings, true, \ |
|
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|
946 "Prints JVM warnings to output stream") \ |
|
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|
947 \ |
| 0 | 948 notproduct(uintx, WarnOnStalledSpinLock, 0, \ |
| 949 "Prints warnings for stalled SpinLocks") \ | |
| 950 \ | |
| 951 develop(bool, InitializeJavaLangSystem, true, \ | |
| 952 "Initialize java.lang.System - turn off for individual " \ | |
| 953 "method debugging") \ | |
| 954 \ | |
| 955 develop(bool, InitializeJavaLangString, true, \ | |
| 956 "Initialize java.lang.String - turn off for individual " \ | |
| 957 "method debugging") \ | |
| 958 \ | |
| 959 develop(bool, InitializeJavaLangExceptionsErrors, true, \ | |
| 960 "Initialize various error and exception classes - turn off for " \ | |
| 961 "individual method debugging") \ | |
| 962 \ | |
| 963 product(bool, RegisterFinalizersAtInit, true, \ | |
| 964 "Register finalizable objects at end of Object.<init> or " \ | |
| 1064 | 965 "after allocation") \ |
| 0 | 966 \ |
| 967 develop(bool, RegisterReferences, true, \ | |
| 968 "Tells whether the VM should register soft/weak/final/phantom " \ | |
| 969 "references") \ | |
| 970 \ | |
| 971 develop(bool, IgnoreRewrites, false, \ | |
| 972 "Supress rewrites of bytecodes in the oopmap generator. " \ | |
| 973 "This is unsafe!") \ | |
| 974 \ | |
| 975 develop(bool, PrintCodeCacheExtension, false, \ | |
| 976 "Print extension of code cache") \ | |
| 977 \ | |
| 978 develop(bool, UsePrivilegedStack, true, \ | |
| 979 "Enable the security JVM functions") \ | |
| 980 \ | |
| 981 develop(bool, IEEEPrecision, true, \ | |
| 982 "Enables IEEE precision (for INTEL only)") \ | |
| 983 \ | |
| 984 develop(bool, ProtectionDomainVerification, true, \ | |
| 985 "Verifies protection domain before resolution in system " \ | |
| 986 "dictionary") \ | |
| 987 \ | |
| 988 product(bool, ClassUnloading, true, \ | |
| 989 "Do unloading of classes") \ | |
| 990 \ | |
|
474
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diff
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|
991 diagnostic(bool, LinkWellKnownClasses, false, \ |
|
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|
992 "Resolve a well known class as soon as its name is seen") \ |
|
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|
993 \ |
| 0 | 994 develop(bool, DisableStartThread, false, \ |
| 995 "Disable starting of additional Java threads " \ | |
| 996 "(for debugging only)") \ | |
| 997 \ | |
| 998 develop(bool, MemProfiling, false, \ | |
| 999 "Write memory usage profiling to log file") \ | |
| 1000 \ | |
| 1001 notproduct(bool, PrintSystemDictionaryAtExit, false, \ | |
| 1002 "Prints the system dictionary at exit") \ | |
| 1003 \ | |
| 1004 diagnostic(bool, UnsyncloadClass, false, \ | |
| 514 | 1005 "Unstable: VM calls loadClass unsynchronized. Custom " \ |
| 1006 "class loader must call VM synchronized for findClass " \ | |
| 1007 "and defineClass.") \ | |
| 1008 \ | |
| 1009 product(bool, AlwaysLockClassLoader, false, \ | |
| 1010 "Require the VM to acquire the class loader lock before calling " \ | |
| 1011 "loadClass() even for class loaders registering " \ | |
| 1064 | 1012 "as parallel capable") \ |
| 514 | 1013 \ |
| 1014 product(bool, AllowParallelDefineClass, false, \ | |
| 1015 "Allow parallel defineClass requests for class loaders " \ | |
| 1064 | 1016 "registering as parallel capable") \ |
| 514 | 1017 \ |
| 1018 product(bool, MustCallLoadClassInternal, false, \ | |
| 1064 | 1019 "Call loadClassInternal() rather than loadClass()") \ |
| 0 | 1020 \ |
| 1021 product_pd(bool, DontYieldALot, \ | |
| 1022 "Throw away obvious excess yield calls (for SOLARIS only)") \ | |
| 1023 \ | |
| 1024 product_pd(bool, ConvertSleepToYield, \ | |
| 1025 "Converts sleep(0) to thread yield " \ | |
| 1026 "(may be off for SOLARIS to improve GUI)") \ | |
| 1027 \ | |
| 1028 product(bool, ConvertYieldToSleep, false, \ | |
| 1029 "Converts yield to a sleep of MinSleepInterval to simulate Win32 "\ | |
| 1030 "behavior (SOLARIS only)") \ | |
| 1031 \ | |
| 1032 product(bool, UseBoundThreads, true, \ | |
| 1033 "Bind user level threads to kernel threads (for SOLARIS only)") \ | |
| 1034 \ | |
| 1035 develop(bool, UseDetachedThreads, true, \ | |
| 1036 "Use detached threads that are recycled upon termination " \ | |
| 1037 "(for SOLARIS only)") \ | |
| 1038 \ | |
| 1039 product(bool, UseLWPSynchronization, true, \ | |
| 1040 "Use LWP-based instead of libthread-based synchronization " \ | |
| 1041 "(SPARC only)") \ | |
| 1042 \ | |
|
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1043 product(ccstr, SyncKnobs, NULL, \ |
| 0 | 1044 "(Unstable) Various monitor synchronization tunables") \ |
| 1045 \ | |
| 1046 product(intx, EmitSync, 0, \ | |
| 1047 "(Unsafe,Unstable) " \ | |
| 1048 " Controls emission of inline sync fast-path code") \ | |
| 1049 \ | |
| 1050 product(intx, AlwaysInflate, 0, "(Unstable) Force inflation") \ | |
| 1051 \ | |
| 1587 | 1052 product(intx, MonitorBound, 0, "Bound Monitor population") \ |
| 1053 \ | |
| 1054 product(bool, MonitorInUseLists, false, "Track Monitors for Deflation") \ | |
| 1055 \ | |
| 0 | 1056 product(intx, Atomics, 0, \ |
| 1057 "(Unsafe,Unstable) Diagnostic - Controls emission of atomics") \ | |
| 1058 \ | |
| 1059 product(intx, FenceInstruction, 0, \ | |
| 1060 "(Unsafe,Unstable) Experimental") \ | |
| 1061 \ | |
| 1062 product(intx, SyncFlags, 0, "(Unsafe,Unstable) Experimental Sync flags" ) \ | |
| 1063 \ | |
| 1064 product(intx, SyncVerbose, 0, "(Unstable)" ) \ | |
| 1065 \ | |
| 1066 product(intx, ClearFPUAtPark, 0, "(Unsafe,Unstable)" ) \ | |
| 1067 \ | |
| 1068 product(intx, hashCode, 0, \ | |
| 1069 "(Unstable) select hashCode generation algorithm" ) \ | |
| 1070 \ | |
| 1071 product(intx, WorkAroundNPTLTimedWaitHang, 1, \ | |
| 1072 "(Unstable, Linux-specific)" \ | |
| 1073 " avoid NPTL-FUTEX hang pthread_cond_timedwait" ) \ | |
| 1074 \ | |
| 1064 | 1075 product(bool, FilterSpuriousWakeups, true, \ |
| 1076 "Prevent spurious or premature wakeups from object.wait " \ | |
| 1077 "(Solaris only)") \ | |
| 0 | 1078 \ |
| 1079 product(intx, NativeMonitorTimeout, -1, "(Unstable)" ) \ | |
| 1080 product(intx, NativeMonitorFlags, 0, "(Unstable)" ) \ | |
| 1081 product(intx, NativeMonitorSpinLimit, 20, "(Unstable)" ) \ | |
| 1082 \ | |
| 1083 develop(bool, UsePthreads, false, \ | |
| 1084 "Use pthread-based instead of libthread-based synchronization " \ | |
| 1085 "(SPARC only)") \ | |
| 1086 \ | |
| 1087 product(bool, AdjustConcurrency, false, \ | |
| 1088 "call thr_setconcurrency at thread create time to avoid " \ | |
| 1089 "LWP starvation on MP systems (For Solaris Only)") \ | |
| 1090 \ | |
| 1091 develop(bool, UpdateHotSpotCompilerFileOnError, true, \ | |
| 1092 "Should the system attempt to update the compiler file when " \ | |
| 1093 "an error occurs?") \ | |
| 1094 \ | |
| 1095 product(bool, ReduceSignalUsage, false, \ | |
| 1096 "Reduce the use of OS signals in Java and/or the VM") \ | |
| 1097 \ | |
| 1098 notproduct(bool, ValidateMarkSweep, false, \ | |
| 1099 "Do extra validation during MarkSweep collection") \ | |
| 1100 \ | |
| 1101 notproduct(bool, RecordMarkSweepCompaction, false, \ | |
| 1102 "Enable GC-to-GC recording and querying of compaction during " \ | |
| 1103 "MarkSweep") \ | |
| 1104 \ | |
| 1105 develop_pd(bool, ShareVtableStubs, \ | |
| 1106 "Share vtable stubs (smaller code but worse branch prediction") \ | |
| 1107 \ | |
| 1108 develop(bool, LoadLineNumberTables, true, \ | |
| 1109 "Tells whether the class file parser loads line number tables") \ | |
| 1110 \ | |
| 1111 develop(bool, LoadLocalVariableTables, true, \ | |
| 1112 "Tells whether the class file parser loads local variable tables")\ | |
| 1113 \ | |
| 1114 develop(bool, LoadLocalVariableTypeTables, true, \ | |
| 1115 "Tells whether the class file parser loads local variable type tables")\ | |
| 1116 \ | |
| 1117 product(bool, AllowUserSignalHandlers, false, \ | |
| 1118 "Do not complain if the application installs signal handlers " \ | |
| 1119 "(Solaris & Linux only)") \ | |
| 1120 \ | |
| 1121 product(bool, UseSignalChaining, true, \ | |
| 1122 "Use signal-chaining to invoke signal handlers installed " \ | |
| 1123 "by the application (Solaris & Linux only)") \ | |
| 1124 \ | |
| 1125 product(bool, UseAltSigs, false, \ | |
| 1126 "Use alternate signals instead of SIGUSR1 & SIGUSR2 for VM " \ | |
| 1064 | 1127 "internal signals (Solaris only)") \ |
| 0 | 1128 \ |
| 1129 product(bool, UseSpinning, false, \ | |
| 1130 "Use spinning in monitor inflation and before entry") \ | |
| 1131 \ | |
| 1132 product(bool, PreSpinYield, false, \ | |
| 1133 "Yield before inner spinning loop") \ | |
| 1134 \ | |
| 1135 product(bool, PostSpinYield, true, \ | |
| 1136 "Yield after inner spinning loop") \ | |
| 1137 \ | |
| 1138 product(bool, AllowJNIEnvProxy, false, \ | |
| 1139 "Allow JNIEnv proxies for jdbx") \ | |
| 1140 \ | |
| 1141 product(bool, JNIDetachReleasesMonitors, true, \ | |
| 1142 "JNI DetachCurrentThread releases monitors owned by thread") \ | |
| 1143 \ | |
| 1144 product(bool, RestoreMXCSROnJNICalls, false, \ | |
| 1145 "Restore MXCSR when returning from JNI calls") \ | |
| 1146 \ | |
| 1147 product(bool, CheckJNICalls, false, \ | |
| 1148 "Verify all arguments to JNI calls") \ | |
| 1149 \ | |
| 1150 product(bool, UseFastJNIAccessors, true, \ | |
| 1151 "Use optimized versions of Get<Primitive>Field") \ | |
| 1152 \ | |
| 1153 product(bool, EagerXrunInit, false, \ | |
| 1154 "Eagerly initialize -Xrun libraries; allows startup profiling, " \ | |
| 1155 " but not all -Xrun libraries may support the state of the VM at this time") \ | |
| 1156 \ | |
| 1157 product(bool, PreserveAllAnnotations, false, \ | |
| 1158 "Preserve RuntimeInvisibleAnnotations as well as RuntimeVisibleAnnotations") \ | |
| 1159 \ | |
| 1160 develop(uintx, PreallocatedOutOfMemoryErrorCount, 4, \ | |
| 1161 "Number of OutOfMemoryErrors preallocated with backtrace") \ | |
| 1162 \ | |
| 1163 product(bool, LazyBootClassLoader, true, \ | |
| 1164 "Enable/disable lazy opening of boot class path entries") \ | |
| 1165 \ | |
| 1166 diagnostic(bool, UseIncDec, true, \ | |
| 1167 "Use INC, DEC instructions on x86") \ | |
| 1168 \ | |
| 219 | 1169 product(bool, UseNewLongLShift, false, \ |
| 1170 "Use optimized bitwise shift left") \ | |
| 1171 \ | |
| 0 | 1172 product(bool, UseStoreImmI16, true, \ |
| 1173 "Use store immediate 16-bits value instruction on x86") \ | |
| 1174 \ | |
| 1175 product(bool, UseAddressNop, false, \ | |
| 1176 "Use '0F 1F [addr]' NOP instructions on x86 cpus") \ | |
| 1177 \ | |
| 1178 product(bool, UseXmmLoadAndClearUpper, true, \ | |
| 1179 "Load low part of XMM register and clear upper part") \ | |
| 1180 \ | |
| 1181 product(bool, UseXmmRegToRegMoveAll, false, \ | |
| 1182 "Copy all XMM register bits when moving value between registers") \ | |
| 1183 \ | |
| 71 | 1184 product(bool, UseXmmI2D, false, \ |
| 1185 "Use SSE2 CVTDQ2PD instruction to convert Integer to Double") \ | |
| 1186 \ | |
| 1187 product(bool, UseXmmI2F, false, \ | |
| 1188 "Use SSE2 CVTDQ2PS instruction to convert Integer to Float") \ | |
| 1189 \ | |
| 405 | 1190 product(bool, UseXMMForArrayCopy, false, \ |
| 1191 "Use SSE2 MOVQ instruction for Arraycopy") \ | |
| 1192 \ | |
| 1193 product(bool, UseUnalignedLoadStores, false, \ | |
| 1194 "Use SSE2 MOVDQU instruction for Arraycopy") \ | |
| 1195 \ | |
| 0 | 1196 product(intx, FieldsAllocationStyle, 1, \ |
|
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1197 "0 - type based with oops first, 1 - with oops last, " \ |
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1198 "2 - oops in super and sub classes are together") \ |
| 0 | 1199 \ |
| 1200 product(bool, CompactFields, true, \ | |
| 1201 "Allocate nonstatic fields in gaps between previous fields") \ | |
| 1202 \ | |
| 1203 notproduct(bool, PrintCompactFieldsSavings, false, \ | |
| 1204 "Print how many words were saved with CompactFields") \ | |
| 1205 \ | |
| 1206 product(bool, UseBiasedLocking, true, \ | |
| 1207 "Enable biased locking in JVM") \ | |
| 1208 \ | |
| 1209 product(intx, BiasedLockingStartupDelay, 4000, \ | |
| 1210 "Number of milliseconds to wait before enabling biased locking") \ | |
| 1211 \ | |
| 1212 diagnostic(bool, PrintBiasedLockingStatistics, false, \ | |
| 1213 "Print statistics of biased locking in JVM") \ | |
| 1214 \ | |
| 1215 product(intx, BiasedLockingBulkRebiasThreshold, 20, \ | |
| 1216 "Threshold of number of revocations per type to try to " \ | |
| 1217 "rebias all objects in the heap of that type") \ | |
| 1218 \ | |
| 1219 product(intx, BiasedLockingBulkRevokeThreshold, 40, \ | |
| 1220 "Threshold of number of revocations per type to permanently " \ | |
| 1221 "revoke biases of all objects in the heap of that type") \ | |
| 1222 \ | |
| 1223 product(intx, BiasedLockingDecayTime, 25000, \ | |
| 1224 "Decay time (in milliseconds) to re-enable bulk rebiasing of a " \ | |
| 1225 "type after previous bulk rebias") \ | |
| 1226 \ | |
|
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1227 develop(bool, JavaObjectsInPerm, false, \ |
|
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1228 "controls whether Classes and interned Strings are allocated" \ |
|
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1229 "in perm. This purely intended to allow debugging issues" \ |
|
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1230 "in production.") \ |
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|
1231 \ |
| 0 | 1232 /* tracing */ \ |
| 1233 \ | |
| 1234 notproduct(bool, TraceRuntimeCalls, false, \ | |
| 1235 "Trace run-time calls") \ | |
| 1236 \ | |
| 1237 develop(bool, TraceJNICalls, false, \ | |
| 1238 "Trace JNI calls") \ | |
| 1239 \ | |
| 1240 notproduct(bool, TraceJVMCalls, false, \ | |
| 1241 "Trace JVM calls") \ | |
| 1242 \ | |
|
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1243 product(ccstr, TraceJVMTI, NULL, \ |
| 0 | 1244 "Trace flags for JVMTI functions and events") \ |
| 1245 \ | |
| 1246 /* This option can change an EMCP method into an obsolete method. */ \ | |
| 1247 /* This can affect tests that except specific methods to be EMCP. */ \ | |
| 1248 /* This option should be used with caution. */ \ | |
| 1249 product(bool, StressLdcRewrite, false, \ | |
| 1250 "Force ldc -> ldc_w rewrite during RedefineClasses") \ | |
| 1251 \ | |
| 1252 product(intx, TraceRedefineClasses, 0, \ | |
| 1253 "Trace level for JVMTI RedefineClasses") \ | |
| 1254 \ | |
| 1574 | 1255 develop(bool, StressMethodComparator, false, \ |
| 1256 "run the MethodComparator on all loaded methods") \ | |
| 1257 \ | |
| 0 | 1258 /* change to false by default sometime after Mustang */ \ |
| 1259 product(bool, VerifyMergedCPBytecodes, true, \ | |
| 1260 "Verify bytecodes after RedefineClasses constant pool merging") \ | |
| 1261 \ | |
| 1262 develop(bool, TraceJNIHandleAllocation, false, \ | |
| 1263 "Trace allocation/deallocation of JNI handle blocks") \ | |
| 1264 \ | |
| 1265 develop(bool, TraceThreadEvents, false, \ | |
| 1266 "Trace all thread events") \ | |
| 1267 \ | |
| 1268 develop(bool, TraceBytecodes, false, \ | |
| 1269 "Trace bytecode execution") \ | |
| 1270 \ | |
| 1271 develop(bool, TraceClassInitialization, false, \ | |
| 1272 "Trace class initialization") \ | |
| 1273 \ | |
|
1936
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1274 product(bool, TraceExceptions, false, \ |
| 0 | 1275 "Trace exceptions") \ |
| 1276 \ | |
| 1277 develop(bool, TraceICs, false, \ | |
| 1278 "Trace inline cache changes") \ | |
| 1279 \ | |
| 1280 notproduct(bool, TraceInvocationCounterOverflow, false, \ | |
| 1281 "Trace method invocation counter overflow") \ | |
| 1282 \ | |
| 1283 develop(bool, TraceInlineCacheClearing, false, \ | |
| 1284 "Trace clearing of inline caches in nmethods") \ | |
| 1285 \ | |
| 1286 develop(bool, TraceDependencies, false, \ | |
| 1287 "Trace dependencies") \ | |
| 1288 \ | |
| 1289 develop(bool, VerifyDependencies, trueInDebug, \ | |
| 1290 "Exercise and verify the compilation dependency mechanism") \ | |
| 1291 \ | |
| 1292 develop(bool, TraceNewOopMapGeneration, false, \ | |
| 1293 "Trace OopMapGeneration") \ | |
| 1294 \ | |
| 1295 develop(bool, TraceNewOopMapGenerationDetailed, false, \ | |
| 1296 "Trace OopMapGeneration: print detailed cell states") \ | |
| 1297 \ | |
| 1298 develop(bool, TimeOopMap, false, \ | |
| 1299 "Time calls to GenerateOopMap::compute_map() in sum") \ | |
| 1300 \ | |
| 1301 develop(bool, TimeOopMap2, false, \ | |
| 1302 "Time calls to GenerateOopMap::compute_map() individually") \ | |
| 1303 \ | |
| 1304 develop(bool, TraceMonitorMismatch, false, \ | |
| 1305 "Trace monitor matching failures during OopMapGeneration") \ | |
| 1306 \ | |
| 1307 develop(bool, TraceOopMapRewrites, false, \ | |
| 1308 "Trace rewritting of method oops during oop map generation") \ | |
| 1309 \ | |
| 1310 develop(bool, TraceSafepoint, false, \ | |
| 1311 "Trace safepoint operations") \ | |
| 1312 \ | |
| 1313 develop(bool, TraceICBuffer, false, \ | |
| 1314 "Trace usage of IC buffer") \ | |
| 1315 \ | |
| 1316 develop(bool, TraceCompiledIC, false, \ | |
| 1317 "Trace changes of compiled IC") \ | |
| 1318 \ | |
| 1319 notproduct(bool, TraceZapDeadLocals, false, \ | |
| 1320 "Trace zapping dead locals") \ | |
| 1321 \ | |
| 1322 develop(bool, TraceStartupTime, false, \ | |
| 1323 "Trace setup time") \ | |
| 1324 \ | |
| 1325 product(ccstr, HPILibPath, NULL, \ | |
| 1326 "Specify alternate path to HPI library") \ | |
| 1327 \ | |
| 1328 develop(bool, TraceProtectionDomainVerification, false, \ | |
| 1329 "Trace protection domain verifcation") \ | |
| 1330 \ | |
| 1331 develop(bool, TraceClearedExceptions, false, \ | |
| 1332 "Prints when an exception is forcibly cleared") \ | |
| 1333 \ | |
| 1334 product(bool, TraceClassResolution, false, \ | |
| 1335 "Trace all constant pool resolutions (for debugging)") \ | |
| 1336 \ | |
| 1337 product(bool, TraceBiasedLocking, false, \ | |
| 1338 "Trace biased locking in JVM") \ | |
| 1339 \ | |
| 1340 product(bool, TraceMonitorInflation, false, \ | |
| 1341 "Trace monitor inflation in JVM") \ | |
| 1342 \ | |
| 1343 /* assembler */ \ | |
| 1344 product(bool, Use486InstrsOnly, false, \ | |
| 1345 "Use 80486 Compliant instruction subset") \ | |
| 1346 \ | |
| 1347 /* gc */ \ | |
| 1348 \ | |
| 1349 product(bool, UseSerialGC, false, \ | |
|
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1350 "Use the serial garbage collector") \ |
|
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1351 \ |
|
1193
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1352 product(bool, UseG1GC, false, \ |
|
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1353 "Use the Garbage-First garbage collector") \ |
| 0 | 1354 \ |
| 1355 product(bool, UseParallelGC, false, \ | |
| 1356 "Use the Parallel Scavenge garbage collector") \ | |
| 1357 \ | |
| 1358 product(bool, UseParallelOldGC, false, \ | |
| 1359 "Use the Parallel Old garbage collector") \ | |
| 1360 \ | |
| 1361 product(bool, UseParallelOldGCCompacting, true, \ | |
| 1362 "In the Parallel Old garbage collector use parallel compaction") \ | |
| 1363 \ | |
| 1364 product(bool, UseParallelDensePrefixUpdate, true, \ | |
| 1365 "In the Parallel Old garbage collector use parallel dense" \ | |
| 1366 " prefix update") \ | |
| 1367 \ | |
| 1368 product(uintx, HeapMaximumCompactionInterval, 20, \ | |
| 1369 "How often should we maximally compact the heap (not allowing " \ | |
| 1370 "any dead space)") \ | |
| 1371 \ | |
| 1372 product(uintx, HeapFirstMaximumCompactionCount, 3, \ | |
| 1373 "The collection count for the first maximum compaction") \ | |
| 1374 \ | |
| 1375 product(bool, UseMaximumCompactionOnSystemGC, true, \ | |
| 1376 "In the Parallel Old garbage collector maximum compaction for " \ | |
| 1377 "a system GC") \ | |
| 1378 \ | |
| 1379 product(uintx, ParallelOldDeadWoodLimiterMean, 50, \ | |
| 1380 "The mean used by the par compact dead wood" \ | |
| 1381 "limiter (a number between 0-100).") \ | |
| 1382 \ | |
| 1383 product(uintx, ParallelOldDeadWoodLimiterStdDev, 80, \ | |
| 1384 "The standard deviation used by the par compact dead wood" \ | |
| 1385 "limiter (a number between 0-100).") \ | |
| 1386 \ | |
| 1387 product(bool, UseParallelOldGCDensePrefix, true, \ | |
| 1388 "Use a dense prefix with the Parallel Old garbage collector") \ | |
| 1389 \ | |
| 1390 product(uintx, ParallelGCThreads, 0, \ | |
| 1391 "Number of parallel threads parallel gc will use") \ | |
| 1392 \ | |
|
483
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1393 develop(bool, ParallelOldGCSplitALot, false, \ |
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1394 "Provoke splitting (copying data from a young gen space to" \ |
|
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1395 "multiple destination spaces)") \ |
|
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1396 \ |
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1397 develop(uintx, ParallelOldGCSplitInterval, 3, \ |
|
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1398 "How often to provoke splitting a young gen space") \ |
| 0 | 1399 \ |
|
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1400 develop(bool, TraceRegionTasksQueuing, false, \ |
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1401 "Trace the queuing of the region tasks") \ |
| 0 | 1402 \ |
| 1284 | 1403 product(uintx, ConcGCThreads, 0, \ |
| 1404 "Number of threads concurrent gc will use") \ | |
|
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1405 \ |
| 0 | 1406 product(uintx, YoungPLABSize, 4096, \ |
| 1407 "Size of young gen promotion labs (in HeapWords)") \ | |
| 1408 \ | |
| 1409 product(uintx, OldPLABSize, 1024, \ | |
| 1410 "Size of old gen promotion labs (in HeapWords)") \ | |
| 1411 \ | |
| 1412 product(uintx, GCTaskTimeStampEntries, 200, \ | |
| 1413 "Number of time stamp entries per gc worker thread") \ | |
| 1414 \ | |
| 1415 product(bool, AlwaysTenure, false, \ | |
| 1416 "Always tenure objects in eden. (ParallelGC only)") \ | |
| 1417 \ | |
| 1418 product(bool, NeverTenure, false, \ | |
| 1064 | 1419 "Never tenure objects in eden, May tenure on overflow " \ |
| 1420 "(ParallelGC only)") \ | |
| 0 | 1421 \ |
| 1422 product(bool, ScavengeBeforeFullGC, true, \ | |
| 1064 | 1423 "Scavenge youngest generation before each full GC, " \ |
| 1424 "used with UseParallelGC") \ | |
| 0 | 1425 \ |
| 1426 develop(bool, ScavengeWithObjectsInToSpace, false, \ | |
| 1427 "Allow scavenges to occur when to_space contains objects.") \ | |
| 1428 \ | |
| 1429 product(bool, UseConcMarkSweepGC, false, \ | |
| 1430 "Use Concurrent Mark-Sweep GC in the old generation") \ | |
| 1431 \ | |
| 1432 product(bool, ExplicitGCInvokesConcurrent, false, \ | |
| 1433 "A System.gc() request invokes a concurrent collection;" \ | |
| 1434 " (effective only when UseConcMarkSweepGC)") \ | |
| 1435 \ | |
| 1436 product(bool, ExplicitGCInvokesConcurrentAndUnloadsClasses, false, \ | |
| 1064 | 1437 "A System.gc() request invokes a concurrent collection and " \ |
| 1438 "also unloads classes during such a concurrent gc cycle " \ | |
| 1439 "(effective only when UseConcMarkSweepGC)") \ | |
| 0 | 1440 \ |
|
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1441 product(bool, GCLockerInvokesConcurrent, false, \ |
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1442 "The exit of a JNI CS necessitating a scavenge also" \ |
|
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|
1443 " kicks off a bkgrd concurrent collection") \ |
|
bb843ebc7c55
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diff
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|
1444 \ |
|
1991
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|
1445 product(uintx, GCLockerEdenExpansionPercent, 5, \ |
|
016a3628c885
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changeset
|
1446 "How much the GC can expand the eden by while the GC locker " \ |
|
016a3628c885
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diff
changeset
|
1447 "is active (as a percentage)") \ |
|
016a3628c885
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|
1448 \ |
| 0 | 1449 develop(bool, UseCMSAdaptiveFreeLists, true, \ |
| 1450 "Use Adaptive Free Lists in the CMS generation") \ | |
| 1451 \ | |
| 1452 develop(bool, UseAsyncConcMarkSweepGC, true, \ | |
| 1453 "Use Asynchronous Concurrent Mark-Sweep GC in the old generation")\ | |
| 1454 \ | |
| 1455 develop(bool, RotateCMSCollectionTypes, false, \ | |
| 1456 "Rotate the CMS collections among concurrent and STW") \ | |
| 1457 \ | |
| 1458 product(bool, UseCMSBestFit, true, \ | |
| 1459 "Use CMS best fit allocation strategy") \ | |
| 1460 \ | |
| 1461 product(bool, UseCMSCollectionPassing, true, \ | |
| 1462 "Use passing of collection from background to foreground") \ | |
| 1463 \ | |
| 1464 product(bool, UseParNewGC, false, \ | |
| 1465 "Use parallel threads in the new generation.") \ | |
| 1466 \ | |
| 1467 product(bool, ParallelGCVerbose, false, \ | |
| 1468 "Verbose output for parallel GC.") \ | |
| 1469 \ | |
| 1470 product(intx, ParallelGCBufferWastePct, 10, \ | |
| 1471 "wasted fraction of parallel allocation buffer.") \ | |
| 1472 \ | |
| 1473 product(bool, ParallelGCRetainPLAB, true, \ | |
| 1474 "Retain parallel allocation buffers across scavenges.") \ | |
| 1475 \ | |
| 1476 product(intx, TargetPLABWastePct, 10, \ | |
| 1477 "target wasted space in last buffer as pct of overall allocation")\ | |
| 1478 \ | |
| 1479 product(uintx, PLABWeight, 75, \ | |
| 1480 "Percentage (0-100) used to weight the current sample when" \ | |
| 1481 "computing exponentially decaying average for ResizePLAB.") \ | |
| 1482 \ | |
| 1483 product(bool, ResizePLAB, true, \ | |
| 1484 "Dynamically resize (survivor space) promotion labs") \ | |
| 1485 \ | |
| 1486 product(bool, PrintPLAB, false, \ | |
| 1487 "Print (survivor space) promotion labs sizing decisions") \ | |
| 1488 \ | |
| 1489 product(intx, ParGCArrayScanChunk, 50, \ | |
| 1490 "Scan a subset and push remainder, if array is bigger than this") \ | |
| 1491 \ | |
| 695 | 1492 product(bool, ParGCUseLocalOverflow, false, \ |
| 1493 "Instead of a global overflow list, use local overflow stacks") \ | |
| 1494 \ | |
|
679
cea947c8a988
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|
1495 product(bool, ParGCTrimOverflow, true, \ |
| 695 | 1496 "Eagerly trim the local overflow lists (when ParGCUseLocalOverflow") \ |
|
679
cea947c8a988
6819891: ParNew: Fix work queue overflow code to deal correctly with +UseCompressedOops
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|
1497 \ |
| 534 | 1498 notproduct(bool, ParGCWorkQueueOverflowALot, false, \ |
| 1499 "Whether we should simulate work queue overflow in ParNew") \ | |
| 1500 \ | |
| 1501 notproduct(uintx, ParGCWorkQueueOverflowInterval, 1000, \ | |
| 1064 | 1502 "An `interval' counter that determines how frequently " \ |
| 1503 "we simulate overflow; a smaller number increases frequency") \ | |
| 534 | 1504 \ |
| 1505 product(uintx, ParGCDesiredObjsFromOverflowList, 20, \ | |
| 0 | 1506 "The desired number of objects to claim from the overflow list") \ |
| 1507 \ | |
|
1145
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|
1508 product(uintx, CMSParPromoteBlocksToClaim, 16, \ |
| 0 | 1509 "Number of blocks to attempt to claim when refilling CMS LAB for "\ |
| 1510 "parallel GC.") \ | |
| 1511 \ | |
|
1145
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1512 product(uintx, OldPLABWeight, 50, \ |
|
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1513 "Percentage (0-100) used to weight the current sample when" \ |
|
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|
1514 "computing exponentially decaying average for resizing CMSParPromoteBlocksToClaim.") \ |
|
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|
1515 \ |
|
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|
1516 product(bool, ResizeOldPLAB, true, \ |
|
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|
1517 "Dynamically resize (old gen) promotion labs") \ |
|
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|
1518 \ |
|
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|
1519 product(bool, PrintOldPLAB, false, \ |
|
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1520 "Print (old gen) promotion labs sizing decisions") \ |
|
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|
1521 \ |
|
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|
1522 product(uintx, CMSOldPLABMin, 16, \ |
|
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1523 "Min size of CMS gen promotion lab caches per worker per blksize")\ |
|
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|
1524 \ |
|
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1525 product(uintx, CMSOldPLABMax, 1024, \ |
|
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1526 "Max size of CMS gen promotion lab caches per worker per blksize")\ |
|
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|
1527 \ |
|
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|
1528 product(uintx, CMSOldPLABNumRefills, 4, \ |
|
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1529 "Nominal number of refills of CMS gen promotion lab cache" \ |
|
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1530 " per worker per block size") \ |
|
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|
1531 \ |
|
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|
1532 product(bool, CMSOldPLABResizeQuicker, false, \ |
|
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|
1533 "Whether to react on-the-fly during a scavenge to a sudden" \ |
|
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|
1534 " change in block demand rate") \ |
|
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|
1535 \ |
|
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|
1536 product(uintx, CMSOldPLABToleranceFactor, 4, \ |
|
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|
1537 "The tolerance of the phase-change detector for on-the-fly" \ |
|
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1538 " PLAB resizing during a scavenge") \ |
|
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|
1539 \ |
|
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|
1540 product(uintx, CMSOldPLABReactivityFactor, 2, \ |
|
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|
1541 "The gain in the feedback loop for on-the-fly PLAB resizing" \ |
|
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1542 " during a scavenge") \ |
|
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|
1543 \ |
|
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|
1544 product(uintx, CMSOldPLABReactivityCeiling, 10, \ |
|
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|
1545 "The clamping of the gain in the feedback loop for on-the-fly" \ |
|
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|
1546 " PLAB resizing during a scavenge") \ |
|
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|
1547 \ |
| 0 | 1548 product(bool, AlwaysPreTouch, false, \ |
| 1549 "It forces all freshly committed pages to be pre-touched.") \ | |
| 1550 \ | |
|
2368
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
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|
1551 product_pd(intx, CMSYoungGenPerWorker, \ |
|
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
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diff
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|
1552 "The maximum size of young gen chosen by default per GC worker " \ |
| 1064 | 1553 "thread available") \ |
| 0 | 1554 \ |
|
342
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|
1555 product(bool, GCOverheadReporting, false, \ |
|
37f87013dfd8
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diff
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|
1556 "Enables the GC overhead reporting facility") \ |
|
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|
1557 \ |
|
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|
1558 product(intx, GCOverheadReportingPeriodMS, 100, \ |
|
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|
1559 "Reporting period for conc GC overhead reporting, in ms ") \ |
|
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|
1560 \ |
| 0 | 1561 product(bool, CMSIncrementalMode, false, \ |
| 1562 "Whether CMS GC should operate in \"incremental\" mode") \ | |
| 1563 \ | |
| 1564 product(uintx, CMSIncrementalDutyCycle, 10, \ | |
| 1565 "CMS incremental mode duty cycle (a percentage, 0-100). If" \ | |
| 1566 "CMSIncrementalPacing is enabled, then this is just the initial" \ | |
| 1567 "value") \ | |
| 1568 \ | |
| 1569 product(bool, CMSIncrementalPacing, true, \ | |
| 1570 "Whether the CMS incremental mode duty cycle should be " \ | |
| 1571 "automatically adjusted") \ | |
| 1572 \ | |
| 1573 product(uintx, CMSIncrementalDutyCycleMin, 0, \ | |
| 1064 | 1574 "Lower bound on the duty cycle when CMSIncrementalPacing is " \ |
| 1575 "enabled (a percentage, 0-100)") \ | |
| 0 | 1576 \ |
| 1577 product(uintx, CMSIncrementalSafetyFactor, 10, \ | |
| 1064 | 1578 "Percentage (0-100) used to add conservatism when computing the " \ |
| 1579 "duty cycle") \ | |
| 0 | 1580 \ |
| 1581 product(uintx, CMSIncrementalOffset, 0, \ | |
| 1582 "Percentage (0-100) by which the CMS incremental mode duty cycle" \ | |
| 1064 | 1583 " is shifted to the right within the period between young GCs") \ |
| 0 | 1584 \ |
|
1145
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|
1585 product(uintx, CMSExpAvgFactor, 50, \ |
|
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changeset
|
1586 "Percentage (0-100) used to weight the current sample when" \ |
|
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|
1587 "computing exponential averages for CMS statistics.") \ |
|
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|
1588 \ |
|
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|
1589 product(uintx, CMS_FLSWeight, 75, \ |
|
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changeset
|
1590 "Percentage (0-100) used to weight the current sample when" \ |
|
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|
1591 "computing exponentially decating averages for CMS FLS statistics.") \ |
|
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|
1592 \ |
|
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|
1593 product(uintx, CMS_FLSPadding, 1, \ |
|
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changeset
|
1594 "The multiple of deviation from mean to use for buffering" \ |
| 0 | 1595 "against volatility in free list demand.") \ |
| 1596 \ | |
| 1597 product(uintx, FLSCoalescePolicy, 2, \ | |
| 1598 "CMS: Aggression level for coalescing, increasing from 0 to 4") \ | |
| 1599 \ | |
|
1145
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|
1600 product(bool, FLSAlwaysCoalesceLarge, false, \ |
|
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|
1601 "CMS: Larger free blocks are always available for coalescing") \ |
|
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|
1602 \ |
|
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|
1603 product(double, FLSLargestBlockCoalesceProximity, 0.99, \ |
|
e018e6884bd8
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|
1604 "CMS: the smaller the percentage the greater the coalition force")\ |
|
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|
1605 \ |
|
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|
1606 product(double, CMSSmallCoalSurplusPercent, 1.05, \ |
|
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|
1607 "CMS: the factor by which to inflate estimated demand of small" \ |
|
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|
1608 " block sizes to prevent coalescing with an adjoining block") \ |
|
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|
1609 \ |
|
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|
1610 product(double, CMSLargeCoalSurplusPercent, 0.95, \ |
|
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|
1611 "CMS: the factor by which to inflate estimated demand of large" \ |
|
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|
1612 " block sizes to prevent coalescing with an adjoining block") \ |
|
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|
1613 \ |
|
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|
1614 product(double, CMSSmallSplitSurplusPercent, 1.10, \ |
|
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|
1615 "CMS: the factor by which to inflate estimated demand of small" \ |
|
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|
1616 " block sizes to prevent splitting to supply demand for smaller" \ |
|
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|
1617 " blocks") \ |
|
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|
1618 \ |
|
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|
1619 product(double, CMSLargeSplitSurplusPercent, 1.00, \ |
|
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|
1620 "CMS: the factor by which to inflate estimated demand of large" \ |
|
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|
1621 " block sizes to prevent splitting to supply demand for smaller" \ |
|
e018e6884bd8
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|
1622 " blocks") \ |
|
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|
1623 \ |
|
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|
1624 product(bool, CMSExtrapolateSweep, false, \ |
|
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|
1625 "CMS: cushion for block demand during sweep") \ |
|
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|
1626 \ |
|
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|
1627 product(uintx, CMS_SweepWeight, 75, \ |
| 1064 | 1628 "Percentage (0-100) used to weight the current sample when " \ |
| 1629 "computing exponentially decaying average for inter-sweep " \ | |
| 1630 "duration") \ | |
| 0 | 1631 \ |
|
1145
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|
1632 product(uintx, CMS_SweepPadding, 1, \ |
| 1064 | 1633 "The multiple of deviation from mean to use for buffering " \ |
| 0 | 1634 "against volatility in inter-sweep duration.") \ |
| 1635 \ | |
| 1636 product(uintx, CMS_SweepTimerThresholdMillis, 10, \ | |
| 1637 "Skip block flux-rate sampling for an epoch unless inter-sweep " \ | |
| 1064 | 1638 "duration exceeds this threhold in milliseconds") \ |
| 0 | 1639 \ |
| 1640 develop(bool, CMSTraceIncrementalMode, false, \ | |
| 1641 "Trace CMS incremental mode") \ | |
| 1642 \ | |
| 1643 develop(bool, CMSTraceIncrementalPacing, false, \ | |
| 1644 "Trace CMS incremental mode pacing computation") \ | |
| 1645 \ | |
| 1646 develop(bool, CMSTraceThreadState, false, \ | |
| 1647 "Trace the CMS thread state (enable the trace_state() method)") \ | |
| 1648 \ | |
| 1649 product(bool, CMSClassUnloadingEnabled, false, \ | |
| 1650 "Whether class unloading enabled when using CMS GC") \ | |
| 1651 \ | |
|
94
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|
1652 product(uintx, CMSClassUnloadingMaxInterval, 0, \ |
|
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1653 "When CMS class unloading is enabled, the maximum CMS cycle count"\ |
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1654 " for which classes may not be unloaded") \ |
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|
1655 \ |
| 0 | 1656 product(bool, CMSCompactWhenClearAllSoftRefs, true, \ |
| 1657 "Compact when asked to collect CMS gen with clear_all_soft_refs") \ | |
| 1658 \ | |
| 1659 product(bool, UseCMSCompactAtFullCollection, true, \ | |
| 1660 "Use mark sweep compact at full collections") \ | |
| 1661 \ | |
| 1662 product(uintx, CMSFullGCsBeforeCompaction, 0, \ | |
| 1663 "Number of CMS full collection done before compaction if > 0") \ | |
| 1664 \ | |
| 1665 develop(intx, CMSDictionaryChoice, 0, \ | |
| 1666 "Use BinaryTreeDictionary as default in the CMS generation") \ | |
| 1667 \ | |
| 1668 product(uintx, CMSIndexedFreeListReplenish, 4, \ | |
|
1777
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1669 "Replenish an indexed free list with this number of chunks") \ |
| 0 | 1670 \ |
|
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1671 product(bool, CMSReplenishIntermediate, true, \ |
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1672 "Replenish all intermediate free-list caches") \ |
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1673 \ |
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1674 product(bool, CMSSplitIndexedFreeListBlocks, true, \ |
|
1777
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1675 "When satisfying batched demand, split blocks from the " \ |
|
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1676 "IndexedFreeList whose size is a multiple of requested size") \ |
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1677 \ |
| 0 | 1678 product(bool, CMSLoopWarn, false, \ |
| 1679 "Warn in case of excessive CMS looping") \ | |
| 1680 \ | |
| 1681 develop(bool, CMSOverflowEarlyRestoration, false, \ | |
| 1682 "Whether preserved marks should be restored early") \ | |
| 1683 \ | |
| 1284 | 1684 product(uintx, MarkStackSize, NOT_LP64(32*K) LP64_ONLY(4*M), \ |
| 1685 "Size of marking stack") \ | |
| 1686 \ | |
| 1687 product(uintx, MarkStackSizeMax, NOT_LP64(4*M) LP64_ONLY(512*M), \ | |
| 1688 "Max size of marking stack") \ | |
| 0 | 1689 \ |
| 1690 notproduct(bool, CMSMarkStackOverflowALot, false, \ | |
| 1691 "Whether we should simulate frequent marking stack / work queue" \ | |
| 1692 " overflow") \ | |
| 1693 \ | |
| 534 | 1694 notproduct(uintx, CMSMarkStackOverflowInterval, 1000, \ |
| 1695 "An `interval' counter that determines how frequently" \ | |
| 0 | 1696 " we simulate overflow; a smaller number increases frequency") \ |
| 1697 \ | |
| 1698 product(uintx, CMSMaxAbortablePrecleanLoops, 0, \ | |
| 1699 "(Temporary, subject to experimentation)" \ | |
| 1700 "Maximum number of abortable preclean iterations, if > 0") \ | |
| 1701 \ | |
| 1702 product(intx, CMSMaxAbortablePrecleanTime, 5000, \ | |
| 1703 "(Temporary, subject to experimentation)" \ | |
| 1704 "Maximum time in abortable preclean in ms") \ | |
| 1705 \ | |
| 1706 product(uintx, CMSAbortablePrecleanMinWorkPerIteration, 100, \ | |
| 1707 "(Temporary, subject to experimentation)" \ | |
| 1708 "Nominal minimum work per abortable preclean iteration") \ | |
| 1709 \ | |
|
1887
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1710 manageable(intx, CMSAbortablePrecleanWaitMillis, 100, \ |
| 0 | 1711 "(Temporary, subject to experimentation)" \ |
| 1712 " Time that we sleep between iterations when not given" \ | |
| 1713 " enough work per iteration") \ | |
| 1714 \ | |
| 1715 product(uintx, CMSRescanMultiple, 32, \ | |
| 1716 "Size (in cards) of CMS parallel rescan task") \ | |
| 1717 \ | |
| 1718 product(uintx, CMSConcMarkMultiple, 32, \ | |
| 1719 "Size (in cards) of CMS concurrent MT marking task") \ | |
| 1720 \ | |
| 1721 product(uintx, CMSRevisitStackSize, 1*M, \ | |
| 1722 "Size of CMS KlassKlass revisit stack") \ | |
| 1723 \ | |
| 1724 product(bool, CMSAbortSemantics, false, \ | |
| 1725 "Whether abort-on-overflow semantics is implemented") \ | |
| 1726 \ | |
| 1727 product(bool, CMSParallelRemarkEnabled, true, \ | |
| 1728 "Whether parallel remark enabled (only if ParNewGC)") \ | |
| 1729 \ | |
| 1730 product(bool, CMSParallelSurvivorRemarkEnabled, true, \ | |
| 1731 "Whether parallel remark of survivor space" \ | |
| 1732 " enabled (effective only if CMSParallelRemarkEnabled)") \ | |
| 1733 \ | |
| 1734 product(bool, CMSPLABRecordAlways, true, \ | |
| 1735 "Whether to always record survivor space PLAB bdries" \ | |
| 1736 " (effective only if CMSParallelSurvivorRemarkEnabled)") \ | |
| 1737 \ | |
| 1738 product(bool, CMSConcurrentMTEnabled, true, \ | |
| 1739 "Whether multi-threaded concurrent work enabled (if ParNewGC)") \ | |
| 1740 \ | |
| 1741 product(bool, CMSPermGenPrecleaningEnabled, true, \ | |
| 1742 "Whether concurrent precleaning enabled in perm gen" \ | |
| 1743 " (effective only when CMSPrecleaningEnabled is true)") \ | |
| 1744 \ | |
| 1745 product(bool, CMSPrecleaningEnabled, true, \ | |
| 1746 "Whether concurrent precleaning enabled") \ | |
| 1747 \ | |
| 1748 product(uintx, CMSPrecleanIter, 3, \ | |
| 1749 "Maximum number of precleaning iteration passes") \ | |
| 1750 \ | |
| 1751 product(uintx, CMSPrecleanNumerator, 2, \ | |
| 1752 "CMSPrecleanNumerator:CMSPrecleanDenominator yields convergence" \ | |
| 1753 " ratio") \ | |
| 1754 \ | |
| 1755 product(uintx, CMSPrecleanDenominator, 3, \ | |
| 1756 "CMSPrecleanNumerator:CMSPrecleanDenominator yields convergence" \ | |
| 1757 " ratio") \ | |
| 1758 \ | |
|
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1759 product(bool, CMSPrecleanRefLists1, true, \ |
| 0 | 1760 "Preclean ref lists during (initial) preclean phase") \ |
| 1761 \ | |
| 1762 product(bool, CMSPrecleanRefLists2, false, \ | |
| 1763 "Preclean ref lists during abortable preclean phase") \ | |
| 1764 \ | |
| 1765 product(bool, CMSPrecleanSurvivors1, false, \ | |
| 1766 "Preclean survivors during (initial) preclean phase") \ | |
| 1767 \ | |
| 1768 product(bool, CMSPrecleanSurvivors2, true, \ | |
| 1769 "Preclean survivors during abortable preclean phase") \ | |
| 1770 \ | |
| 1771 product(uintx, CMSPrecleanThreshold, 1000, \ | |
| 1772 "Don't re-iterate if #dirty cards less than this") \ | |
| 1773 \ | |
| 1774 product(bool, CMSCleanOnEnter, true, \ | |
| 1775 "Clean-on-enter optimization for reducing number of dirty cards") \ | |
| 1776 \ | |
| 1777 product(uintx, CMSRemarkVerifyVariant, 1, \ | |
| 1778 "Choose variant (1,2) of verification following remark") \ | |
| 1779 \ | |
| 1780 product(uintx, CMSScheduleRemarkEdenSizeThreshold, 2*M, \ | |
| 1781 "If Eden used is below this value, don't try to schedule remark") \ | |
| 1782 \ | |
| 1783 product(uintx, CMSScheduleRemarkEdenPenetration, 50, \ | |
| 1784 "The Eden occupancy % at which to try and schedule remark pause") \ | |
| 1785 \ | |
| 1786 product(uintx, CMSScheduleRemarkSamplingRatio, 5, \ | |
| 1787 "Start sampling Eden top at least before yg occupancy reaches" \ | |
| 1788 " 1/<ratio> of the size at which we plan to schedule remark") \ | |
| 1789 \ | |
| 1790 product(uintx, CMSSamplingGrain, 16*K, \ | |
| 1791 "The minimum distance between eden samples for CMS (see above)") \ | |
| 1792 \ | |
| 1793 product(bool, CMSScavengeBeforeRemark, false, \ | |
| 1794 "Attempt scavenge before the CMS remark step") \ | |
| 1795 \ | |
| 1796 develop(bool, CMSTraceSweeper, false, \ | |
| 1797 "Trace some actions of the CMS sweeper") \ | |
| 1798 \ | |
| 1799 product(uintx, CMSWorkQueueDrainThreshold, 10, \ | |
| 1800 "Don't drain below this size per parallel worker/thief") \ | |
| 1801 \ | |
|
1887
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1802 manageable(intx, CMSWaitDuration, 2000, \ |
| 0 | 1803 "Time in milliseconds that CMS thread waits for young GC") \ |
| 1804 \ | |
| 1805 product(bool, CMSYield, true, \ | |
| 1806 "Yield between steps of concurrent mark & sweep") \ | |
| 1807 \ | |
| 1808 product(uintx, CMSBitMapYieldQuantum, 10*M, \ | |
| 1809 "Bitmap operations should process at most this many bits" \ | |
| 1810 "between yields") \ | |
| 1811 \ | |
|
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1812 product(bool, CMSDumpAtPromotionFailure, false, \ |
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1813 "Dump useful information about the state of the CMS old " \ |
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1814 " generation upon a promotion failure.") \ |
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1815 \ |
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1816 product(bool, CMSPrintChunksInDump, false, \ |
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1817 "In a dump enabled by CMSDumpAtPromotionFailure, include " \ |
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1818 " more detailed information about the free chunks.") \ |
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1819 \ |
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1820 product(bool, CMSPrintObjectsInDump, false, \ |
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1821 "In a dump enabled by CMSDumpAtPromotionFailure, include " \ |
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1822 " more detailed information about the allocated objects.") \ |
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1823 \ |
| 0 | 1824 diagnostic(bool, FLSVerifyAllHeapReferences, false, \ |
| 1825 "Verify that all refs across the FLS boundary " \ | |
| 1826 " are to valid objects") \ | |
| 1827 \ | |
| 1828 diagnostic(bool, FLSVerifyLists, false, \ | |
| 1829 "Do lots of (expensive) FreeListSpace verification") \ | |
| 1830 \ | |
| 1831 diagnostic(bool, FLSVerifyIndexTable, false, \ | |
| 1832 "Do lots of (expensive) FLS index table verification") \ | |
| 1833 \ | |
| 1834 develop(bool, FLSVerifyDictionary, false, \ | |
| 1835 "Do lots of (expensive) FLS dictionary verification") \ | |
| 1836 \ | |
| 1837 develop(bool, VerifyBlockOffsetArray, false, \ | |
| 1838 "Do (expensive!) block offset array verification") \ | |
| 1839 \ | |
|
1716
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1840 product(bool, BlockOffsetArrayUseUnallocatedBlock, false, \ |
| 0 | 1841 "Maintain _unallocated_block in BlockOffsetArray" \ |
| 1842 " (currently applicable only to CMS collector)") \ | |
| 1843 \ | |
| 1844 develop(bool, TraceCMSState, false, \ | |
| 1845 "Trace the state of the CMS collection") \ | |
| 1846 \ | |
| 1847 product(intx, RefDiscoveryPolicy, 0, \ | |
| 1848 "Whether reference-based(0) or referent-based(1)") \ | |
| 1849 \ | |
| 1850 product(bool, ParallelRefProcEnabled, false, \ | |
| 1851 "Enable parallel reference processing whenever possible") \ | |
| 1852 \ | |
| 1853 product(bool, ParallelRefProcBalancingEnabled, true, \ | |
| 1854 "Enable balancing of reference processing queues") \ | |
| 1855 \ | |
| 1856 product(intx, CMSTriggerRatio, 80, \ | |
| 1857 "Percentage of MinHeapFreeRatio in CMS generation that is " \ | |
| 1064 | 1858 "allocated before a CMS collection cycle commences") \ |
| 0 | 1859 \ |
|
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1860 product(intx, CMSTriggerPermRatio, 80, \ |
| 1064 | 1861 "Percentage of MinHeapFreeRatio in the CMS perm generation that " \ |
| 1862 "is allocated before a CMS collection cycle commences, that " \ | |
| 1863 "also collects the perm generation") \ | |
|
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1864 \ |
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1865 product(uintx, CMSBootstrapOccupancy, 50, \ |
| 0 | 1866 "Percentage CMS generation occupancy at which to " \ |
| 1064 | 1867 "initiate CMS collection for bootstrapping collection stats") \ |
| 0 | 1868 \ |
| 1869 product(intx, CMSInitiatingOccupancyFraction, -1, \ | |
| 1870 "Percentage CMS generation occupancy to start a CMS collection " \ | |
| 1064 | 1871 "cycle. A negative value means that CMSTriggerRatio is used") \ |
|
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1872 \ |
|
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1873 product(uintx, InitiatingHeapOccupancyPercent, 45, \ |
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1874 "Percentage of the (entire) heap occupancy to start a " \ |
|
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1875 "concurrent GC cycle. It us used by GCs that trigger a " \ |
|
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1876 "concurrent GC cycle based on the occupancy of the entire heap, " \ |
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1877 "not just one of the generations (e.g., G1). A value of 0 " \ |
|
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1878 "denotes 'do constant GC cycles'.") \ |
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1879 \ |
|
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1880 product(intx, CMSInitiatingPermOccupancyFraction, -1, \ |
| 1064 | 1881 "Percentage CMS perm generation occupancy to start a " \ |
| 1882 "CMScollection cycle. A negative value means that " \ | |
| 1883 "CMSTriggerPermRatio is used") \ | |
| 0 | 1884 \ |
| 1885 product(bool, UseCMSInitiatingOccupancyOnly, false, \ | |
| 1886 "Only use occupancy as a crierion for starting a CMS collection") \ | |
| 1887 \ | |
|
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1888 product(intx, CMSIsTooFullPercentage, 98, \ |
| 1064 | 1889 "An absolute ceiling above which CMS will always consider the " \ |
| 1890 "perm gen ripe for collection") \ | |
|
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1891 \ |
| 0 | 1892 develop(bool, CMSTestInFreeList, false, \ |
| 1893 "Check if the coalesced range is already in the " \ | |
| 1064 | 1894 "free lists as claimed") \ |
| 0 | 1895 \ |
| 1896 notproduct(bool, CMSVerifyReturnedBytes, false, \ | |
| 1897 "Check that all the garbage collected was returned to the " \ | |
| 1898 "free lists.") \ | |
| 1899 \ | |
| 1900 notproduct(bool, ScavengeALot, false, \ | |
| 1901 "Force scavenge at every Nth exit from the runtime system " \ | |
| 1902 "(N=ScavengeALotInterval)") \ | |
| 1903 \ | |
| 1904 develop(bool, FullGCALot, false, \ | |
| 1905 "Force full gc at every Nth exit from the runtime system " \ | |
| 1906 "(N=FullGCALotInterval)") \ | |
| 1907 \ | |
| 1908 notproduct(bool, GCALotAtAllSafepoints, false, \ | |
| 1909 "Enforce ScavengeALot/GCALot at all potential safepoints") \ | |
| 1910 \ | |
|
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1911 product(bool, PrintPromotionFailure, false, \ |
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1912 "Print additional diagnostic information following " \ |
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1913 " promotion failure") \ |
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1914 \ |
| 0 | 1915 notproduct(bool, PromotionFailureALot, false, \ |
| 1916 "Use promotion failure handling on every youngest generation " \ | |
| 1917 "collection") \ | |
| 1918 \ | |
| 1919 develop(uintx, PromotionFailureALotCount, 1000, \ | |
| 1920 "Number of promotion failures occurring at ParGCAllocBuffer" \ | |
| 1921 "refill attempts (ParNew) or promotion attempts " \ | |
| 1922 "(other young collectors) ") \ | |
| 1923 \ | |
| 1924 develop(uintx, PromotionFailureALotInterval, 5, \ | |
| 1925 "Total collections between promotion failures alot") \ | |
| 1926 \ | |
|
1837
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1927 experimental(intx, WorkStealingSleepMillis, 1, \ |
| 0 | 1928 "Sleep time when sleep is used for yields") \ |
| 1929 \ | |
| 2430 | 1930 experimental(uintx, WorkStealingYieldsBeforeSleep, 5000, \ |
| 0 | 1931 "Number of yields before a sleep is done during workstealing") \ |
| 1932 \ | |
|
1837
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1933 experimental(uintx, WorkStealingHardSpins, 4096, \ |
|
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1934 "Number of iterations in a spin loop between checks on " \ |
|
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1935 "time out of hard spin") \ |
|
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1936 \ |
|
1837
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1937 experimental(uintx, WorkStealingSpinToYieldRatio, 10, \ |
|
546
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1938 "Ratio of hard spins to calls to yield") \ |
|
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1939 \ |
| 534 | 1940 product(uintx, PreserveMarkStackSize, 1024, \ |
| 1064 | 1941 "Size for stack used in promotion failure handling") \ |
| 0 | 1942 \ |
|
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1943 develop(uintx, ObjArrayMarkingStride, 512, \ |
|
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1944 "Number of ObjArray elements to push onto the marking stack" \ |
|
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1945 "before pushing a continuation entry") \ |
|
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1946 \ |
| 0 | 1947 product_pd(bool, UseTLAB, "Use thread-local object allocation") \ |
| 1948 \ | |
| 1949 product_pd(bool, ResizeTLAB, \ | |
| 1950 "Dynamically resize tlab size for threads") \ | |
| 1951 \ | |
| 1952 product(bool, ZeroTLAB, false, \ | |
| 1953 "Zero out the newly created TLAB") \ | |
| 1954 \ | |
|
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1955 product(bool, FastTLABRefill, true, \ |
|
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|
1956 "Use fast TLAB refill code") \ |
|
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|
1957 \ |
| 0 | 1958 product(bool, PrintTLAB, false, \ |
| 1959 "Print various TLAB related information") \ | |
| 1960 \ | |
| 1961 product(bool, TLABStats, true, \ | |
| 1962 "Print various TLAB related information") \ | |
| 1963 \ | |
| 941 | 1964 product(bool, PrintRevisitStats, false, \ |
| 1965 "Print revisit (klass and MDO) stack related information") \ | |
| 1966 \ | |
|
2192
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|
1967 EMBEDDED_ONLY(product(bool, LowMemoryProtection, true, \ |
|
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|
1968 "Enable LowMemoryProtection")) \ |
|
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|
1969 \ |
| 0 | 1970 product_pd(bool, NeverActAsServerClassMachine, \ |
| 1971 "Never act like a server-class machine") \ | |
| 1972 \ | |
| 1973 product(bool, AlwaysActAsServerClassMachine, false, \ | |
| 1974 "Always act like a server-class machine") \ | |
| 1975 \ | |
| 1064 | 1976 product_pd(uint64_t, MaxRAM, \ |
| 1977 "Real memory size (in bytes) used to set maximum heap size") \ | |
| 1978 \ | |
| 1979 product(uintx, ErgoHeapSizeLimit, 0, \ | |
| 1980 "Maximum ergonomically set heap size (in bytes); zero means use " \ | |
| 1981 "MaxRAM / MaxRAMFraction") \ | |
| 1982 \ | |
| 1983 product(uintx, MaxRAMFraction, 4, \ | |
| 1984 "Maximum fraction (1/n) of real memory used for maximum heap " \ | |
| 1985 "size") \ | |
| 0 | 1986 \ |
| 1987 product(uintx, DefaultMaxRAMFraction, 4, \ | |
| 1064 | 1988 "Maximum fraction (1/n) of real memory used for maximum heap " \ |
| 1989 "size; deprecated: to be renamed to MaxRAMFraction") \ | |
| 1990 \ | |
| 1991 product(uintx, MinRAMFraction, 2, \ | |
| 1992 "Minimum fraction (1/n) of real memory used for maxmimum heap " \ | |
| 1993 "size on systems with small physical memory size") \ | |
| 1994 \ | |
| 1995 product(uintx, InitialRAMFraction, 64, \ | |
| 1996 "Fraction (1/n) of real memory used for initial heap size") \ | |
| 0 | 1997 \ |
| 1998 product(bool, UseAutoGCSelectPolicy, false, \ | |
| 1999 "Use automatic collection selection policy") \ | |
| 2000 \ | |
| 2001 product(uintx, AutoGCSelectPauseMillis, 5000, \ | |
| 2002 "Automatic GC selection pause threshhold in ms") \ | |
| 2003 \ | |
| 2004 product(bool, UseAdaptiveSizePolicy, true, \ | |
| 2005 "Use adaptive generation sizing policies") \ | |
| 2006 \ | |
| 2007 product(bool, UsePSAdaptiveSurvivorSizePolicy, true, \ | |
| 2008 "Use adaptive survivor sizing policies") \ | |
| 2009 \ | |
| 2010 product(bool, UseAdaptiveGenerationSizePolicyAtMinorCollection, true, \ | |
| 2011 "Use adaptive young-old sizing policies at minor collections") \ | |
| 2012 \ | |
| 2013 product(bool, UseAdaptiveGenerationSizePolicyAtMajorCollection, true, \ | |
| 2014 "Use adaptive young-old sizing policies at major collections") \ | |
| 2015 \ | |
| 2016 product(bool, UseAdaptiveSizePolicyWithSystemGC, false, \ | |
| 2017 "Use statistics from System.GC for adaptive size policy") \ | |
| 2018 \ | |
| 2019 product(bool, UseAdaptiveGCBoundary, false, \ | |
| 2020 "Allow young-old boundary to move") \ | |
| 2021 \ | |
| 2022 develop(bool, TraceAdaptiveGCBoundary, false, \ | |
| 2023 "Trace young-old boundary moves") \ | |
| 2024 \ | |
| 2025 develop(intx, PSAdaptiveSizePolicyResizeVirtualSpaceAlot, -1, \ | |
| 2026 "Resize the virtual spaces of the young or old generations") \ | |
| 2027 \ | |
| 2028 product(uintx, AdaptiveSizeThroughPutPolicy, 0, \ | |
| 2029 "Policy for changeing generation size for throughput goals") \ | |
| 2030 \ | |
| 2031 product(uintx, AdaptiveSizePausePolicy, 0, \ | |
| 2032 "Policy for changing generation size for pause goals") \ | |
| 2033 \ | |
| 2034 develop(bool, PSAdjustTenuredGenForMinorPause, false, \ | |
| 2035 "Adjust tenured generation to achive a minor pause goal") \ | |
| 2036 \ | |
| 2037 develop(bool, PSAdjustYoungGenForMajorPause, false, \ | |
| 2038 "Adjust young generation to achive a major pause goal") \ | |
| 2039 \ | |
| 2040 product(uintx, AdaptiveSizePolicyInitializingSteps, 20, \ | |
| 2041 "Number of steps where heuristics is used before data is used") \ | |
| 2042 \ | |
| 2043 develop(uintx, AdaptiveSizePolicyReadyThreshold, 5, \ | |
| 2044 "Number of collections before the adaptive sizing is started") \ | |
| 2045 \ | |
| 2046 product(uintx, AdaptiveSizePolicyOutputInterval, 0, \ | |
| 1064 | 2047 "Collecton interval for printing information; zero => never") \ |
| 0 | 2048 \ |
| 2049 product(bool, UseAdaptiveSizePolicyFootprintGoal, true, \ | |
| 2050 "Use adaptive minimum footprint as a goal") \ | |
| 2051 \ | |
| 2052 product(uintx, AdaptiveSizePolicyWeight, 10, \ | |
| 2053 "Weight given to exponential resizing, between 0 and 100") \ | |
| 2054 \ | |
| 2055 product(uintx, AdaptiveTimeWeight, 25, \ | |
| 2056 "Weight given to time in adaptive policy, between 0 and 100") \ | |
| 2057 \ | |
| 2058 product(uintx, PausePadding, 1, \ | |
| 2059 "How much buffer to keep for pause time") \ | |
| 2060 \ | |
| 2061 product(uintx, PromotedPadding, 3, \ | |
| 2062 "How much buffer to keep for promotion failure") \ | |
| 2063 \ | |
| 2064 product(uintx, SurvivorPadding, 3, \ | |
| 2065 "How much buffer to keep for survivor overflow") \ | |
| 2066 \ | |
| 2067 product(uintx, AdaptivePermSizeWeight, 20, \ | |
| 2068 "Weight for perm gen exponential resizing, between 0 and 100") \ | |
| 2069 \ | |
| 2070 product(uintx, PermGenPadding, 3, \ | |
| 2071 "How much buffer to keep for perm gen sizing") \ | |
| 2072 \ | |
| 2073 product(uintx, ThresholdTolerance, 10, \ | |
| 2074 "Allowed collection cost difference between generations") \ | |
| 2075 \ | |
| 2076 product(uintx, AdaptiveSizePolicyCollectionCostMargin, 50, \ | |
| 1064 | 2077 "If collection costs are within margin, reduce both by full " \ |
| 2078 "delta") \ | |
| 0 | 2079 \ |
| 2080 product(uintx, YoungGenerationSizeIncrement, 20, \ | |
| 2081 "Adaptive size percentage change in young generation") \ | |
| 2082 \ | |
| 2083 product(uintx, YoungGenerationSizeSupplement, 80, \ | |
| 2084 "Supplement to YoungedGenerationSizeIncrement used at startup") \ | |
| 2085 \ | |
| 2086 product(uintx, YoungGenerationSizeSupplementDecay, 8, \ | |
| 2087 "Decay factor to YoungedGenerationSizeSupplement") \ | |
| 2088 \ | |
| 2089 product(uintx, TenuredGenerationSizeIncrement, 20, \ | |
| 2090 "Adaptive size percentage change in tenured generation") \ | |
| 2091 \ | |
| 2092 product(uintx, TenuredGenerationSizeSupplement, 80, \ | |
| 2093 "Supplement to TenuredGenerationSizeIncrement used at startup") \ | |
| 2094 \ | |
| 2095 product(uintx, TenuredGenerationSizeSupplementDecay, 2, \ | |
| 2096 "Decay factor to TenuredGenerationSizeIncrement") \ | |
| 2097 \ | |
| 1783 | 2098 product(uintx, MaxGCPauseMillis, max_uintx, \ |
| 751 | 2099 "Adaptive size policy maximum GC pause time goal in msec, " \ |
| 2100 "or (G1 Only) the max. GC time per MMU time slice") \ | |
| 2101 \ | |
|
1610
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|
2102 product(uintx, GCPauseIntervalMillis, 0, \ |
| 751 | 2103 "Time slice for MMU specification") \ |
| 0 | 2104 \ |
| 2105 product(uintx, MaxGCMinorPauseMillis, max_uintx, \ | |
| 2106 "Adaptive size policy maximum GC minor pause time goal in msec") \ | |
| 2107 \ | |
| 2108 product(uintx, GCTimeRatio, 99, \ | |
| 2109 "Adaptive size policy application time to GC time ratio") \ | |
| 2110 \ | |
| 2111 product(uintx, AdaptiveSizeDecrementScaleFactor, 4, \ | |
| 2112 "Adaptive size scale down factor for shrinking") \ | |
| 2113 \ | |
| 2114 product(bool, UseAdaptiveSizeDecayMajorGCCost, true, \ | |
| 2115 "Adaptive size decays the major cost for long major intervals") \ | |
| 2116 \ | |
| 2117 product(uintx, AdaptiveSizeMajorGCDecayTimeScale, 10, \ | |
| 2118 "Time scale over which major costs decay") \ | |
| 2119 \ | |
| 2120 product(uintx, MinSurvivorRatio, 3, \ | |
| 2121 "Minimum ratio of young generation/survivor space size") \ | |
| 2122 \ | |
| 2123 product(uintx, InitialSurvivorRatio, 8, \ | |
| 2124 "Initial ratio of eden/survivor space size") \ | |
| 2125 \ | |
| 2126 product(uintx, BaseFootPrintEstimate, 256*M, \ | |
| 2127 "Estimate of footprint other than Java Heap") \ | |
| 2128 \ | |
| 2129 product(bool, UseGCOverheadLimit, true, \ | |
| 2130 "Use policy to limit of proportion of time spent in GC " \ | |
| 2131 "before an OutOfMemory error is thrown") \ | |
| 2132 \ | |
| 2133 product(uintx, GCTimeLimit, 98, \ | |
| 2134 "Limit of proportion of time spent in GC before an OutOfMemory" \ | |
| 2135 "error is thrown (used with GCHeapFreeLimit)") \ | |
| 2136 \ | |
| 2137 product(uintx, GCHeapFreeLimit, 2, \ | |
| 2138 "Minimum percentage of free space after a full GC before an " \ | |
| 2139 "OutOfMemoryError is thrown (used with GCTimeLimit)") \ | |
| 2140 \ | |
| 2141 develop(uintx, AdaptiveSizePolicyGCTimeLimitThreshold, 5, \ | |
| 2142 "Number of consecutive collections before gc time limit fires") \ | |
| 2143 \ | |
| 2144 product(bool, PrintAdaptiveSizePolicy, false, \ | |
| 2145 "Print information about AdaptiveSizePolicy") \ | |
| 2146 \ | |
| 2147 product(intx, PrefetchCopyIntervalInBytes, -1, \ | |
| 2148 "How far ahead to prefetch destination area (<= 0 means off)") \ | |
| 2149 \ | |
| 2150 product(intx, PrefetchScanIntervalInBytes, -1, \ | |
| 2151 "How far ahead to prefetch scan area (<= 0 means off)") \ | |
| 2152 \ | |
| 2153 product(intx, PrefetchFieldsAhead, -1, \ | |
| 2154 "How many fields ahead to prefetch in oop scan (<= 0 means off)") \ | |
| 2155 \ | |
| 2156 develop(bool, UsePrefetchQueue, true, \ | |
| 2157 "Use the prefetch queue during PS promotion") \ | |
| 2158 \ | |
| 2159 diagnostic(bool, VerifyBeforeExit, trueInDebug, \ | |
| 2160 "Verify system before exiting") \ | |
| 2161 \ | |
| 2162 diagnostic(bool, VerifyBeforeGC, false, \ | |
| 2163 "Verify memory system before GC") \ | |
| 2164 \ | |
| 2165 diagnostic(bool, VerifyAfterGC, false, \ | |
| 2166 "Verify memory system after GC") \ | |
| 2167 \ | |
| 2168 diagnostic(bool, VerifyDuringGC, false, \ | |
| 2169 "Verify memory system during GC (between phases)") \ | |
| 2170 \ | |
| 390 | 2171 diagnostic(bool, GCParallelVerificationEnabled, true, \ |
| 2172 "Enable parallel memory system verification") \ | |
| 2173 \ | |
| 1166 | 2174 diagnostic(bool, DeferInitialCardMark, false, \ |
| 2175 "When +ReduceInitialCardMarks, explicitly defer any that " \ | |
| 2176 "may arise from new_pre_store_barrier") \ | |
| 2177 \ | |
| 0 | 2178 diagnostic(bool, VerifyRememberedSets, false, \ |
| 2179 "Verify GC remembered sets") \ | |
| 2180 \ | |
| 2181 diagnostic(bool, VerifyObjectStartArray, true, \ | |
| 2182 "Verify GC object start array if verify before/after") \ | |
| 2183 \ | |
| 2184 product(bool, DisableExplicitGC, false, \ | |
| 2185 "Tells whether calling System.gc() does a full GC") \ | |
| 2186 \ | |
| 2187 notproduct(bool, CheckMemoryInitialization, false, \ | |
| 2188 "Checks memory initialization") \ | |
| 2189 \ | |
| 2190 product(bool, CollectGen0First, false, \ | |
| 2191 "Collect youngest generation before each full GC") \ | |
| 2192 \ | |
| 2193 diagnostic(bool, BindCMSThreadToCPU, false, \ | |
| 2194 "Bind CMS Thread to CPU if possible") \ | |
| 2195 \ | |
| 2196 diagnostic(uintx, CPUForCMSThread, 0, \ | |
| 2197 "When BindCMSThreadToCPU is true, the CPU to bind CMS thread to") \ | |
| 2198 \ | |
| 2199 product(bool, BindGCTaskThreadsToCPUs, false, \ | |
| 2200 "Bind GCTaskThreads to CPUs if possible") \ | |
| 2201 \ | |
| 2202 product(bool, UseGCTaskAffinity, false, \ | |
| 2203 "Use worker affinity when asking for GCTasks") \ | |
| 2204 \ | |
| 2205 product(uintx, ProcessDistributionStride, 4, \ | |
| 2206 "Stride through processors when distributing processes") \ | |
| 2207 \ | |
| 2208 product(uintx, CMSCoordinatorYieldSleepCount, 10, \ | |
| 2209 "number of times the coordinator GC thread will sleep while " \ | |
| 2210 "yielding before giving up and resuming GC") \ | |
| 2211 \ | |
| 2212 product(uintx, CMSYieldSleepCount, 0, \ | |
| 2213 "number of times a GC thread (minus the coordinator) " \ | |
| 2214 "will sleep while yielding before giving up and resuming GC") \ | |
| 2215 \ | |
| 2216 /* gc tracing */ \ | |
| 2217 manageable(bool, PrintGC, false, \ | |
| 2218 "Print message at garbage collect") \ | |
| 2219 \ | |
| 2220 manageable(bool, PrintGCDetails, false, \ | |
| 2221 "Print more details at garbage collect") \ | |
| 2222 \ | |
| 2223 manageable(bool, PrintGCDateStamps, false, \ | |
| 2224 "Print date stamps at garbage collect") \ | |
| 2225 \ | |
| 2226 manageable(bool, PrintGCTimeStamps, false, \ | |
| 2227 "Print timestamps at garbage collect") \ | |
| 2228 \ | |
| 2229 product(bool, PrintGCTaskTimeStamps, false, \ | |
| 2230 "Print timestamps for individual gc worker thread tasks") \ | |
| 2231 \ | |
| 2232 develop(intx, ConcGCYieldTimeout, 0, \ | |
| 2233 "If non-zero, assert that GC threads yield within this # of ms.") \ | |
| 2234 \ | |
| 2235 notproduct(bool, TraceMarkSweep, false, \ | |
| 2236 "Trace mark sweep") \ | |
| 2237 \ | |
| 2238 product(bool, PrintReferenceGC, false, \ | |
| 2239 "Print times spent handling reference objects during GC " \ | |
| 2240 " (enabled only when PrintGCDetails)") \ | |
| 2241 \ | |
| 2242 develop(bool, TraceReferenceGC, false, \ | |
| 2243 "Trace handling of soft/weak/final/phantom references") \ | |
| 2244 \ | |
| 2245 develop(bool, TraceFinalizerRegistration, false, \ | |
| 2246 "Trace registration of final references") \ | |
| 2247 \ | |
| 2248 notproduct(bool, TraceScavenge, false, \ | |
| 2249 "Trace scavenge") \ | |
| 2250 \ | |
| 2251 product_rw(bool, TraceClassLoading, false, \ | |
| 2252 "Trace all classes loaded") \ | |
| 2253 \ | |
| 2254 product(bool, TraceClassLoadingPreorder, false, \ | |
| 2255 "Trace all classes loaded in order referenced (not loaded)") \ | |
| 2256 \ | |
| 2257 product_rw(bool, TraceClassUnloading, false, \ | |
| 2258 "Trace unloading of classes") \ | |
| 2259 \ | |
| 2260 product_rw(bool, TraceLoaderConstraints, false, \ | |
| 2261 "Trace loader constraints") \ | |
| 2262 \ | |
| 2263 product(bool, TraceGen0Time, false, \ | |
| 2264 "Trace accumulated time for Gen 0 collection") \ | |
| 2265 \ | |
| 2266 product(bool, TraceGen1Time, false, \ | |
| 2267 "Trace accumulated time for Gen 1 collection") \ | |
| 2268 \ | |
| 2269 product(bool, PrintTenuringDistribution, false, \ | |
| 2270 "Print tenuring age information") \ | |
| 2271 \ | |
| 2272 product_rw(bool, PrintHeapAtGC, false, \ | |
| 2273 "Print heap layout before and after each GC") \ | |
| 2274 \ | |
|
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2275 product_rw(bool, PrintHeapAtGCExtended, false, \ |
|
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2276 "Prints extended information about the layout of the heap " \ |
|
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|
2277 "when -XX:+PrintHeapAtGC is set") \ |
|
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|
2278 \ |
| 0 | 2279 product(bool, PrintHeapAtSIGBREAK, true, \ |
| 2280 "Print heap layout in response to SIGBREAK") \ | |
| 2281 \ | |
|
615
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|
2282 manageable(bool, PrintClassHistogramBeforeFullGC, false, \ |
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2283 "Print a class histogram before any major stop-world GC") \ |
|
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|
2284 \ |
|
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|
2285 manageable(bool, PrintClassHistogramAfterFullGC, false, \ |
|
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2286 "Print a class histogram after any major stop-world GC") \ |
|
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|
2287 \ |
| 0 | 2288 manageable(bool, PrintClassHistogram, false, \ |
| 2289 "Print a histogram of class instances") \ | |
| 2290 \ | |
| 2291 develop(bool, TraceWorkGang, false, \ | |
| 2292 "Trace activities of work gangs") \ | |
| 2293 \ | |
| 2294 product(bool, TraceParallelOldGCTasks, false, \ | |
| 2295 "Trace multithreaded GC activity") \ | |
| 2296 \ | |
| 2297 develop(bool, TraceBlockOffsetTable, false, \ | |
| 2298 "Print BlockOffsetTable maps") \ | |
| 2299 \ | |
| 2300 develop(bool, TraceCardTableModRefBS, false, \ | |
| 2301 "Print CardTableModRefBS maps") \ | |
| 2302 \ | |
| 2303 develop(bool, TraceGCTaskManager, false, \ | |
| 2304 "Trace actions of the GC task manager") \ | |
| 2305 \ | |
| 2306 develop(bool, TraceGCTaskQueue, false, \ | |
| 2307 "Trace actions of the GC task queues") \ | |
| 2308 \ | |
| 2309 develop(bool, TraceGCTaskThread, false, \ | |
| 2310 "Trace actions of the GC task threads") \ | |
| 2311 \ | |
| 2312 product(bool, PrintParallelOldGCPhaseTimes, false, \ | |
| 2313 "Print the time taken by each parallel old gc phase." \ | |
| 2314 "PrintGCDetails must also be enabled.") \ | |
| 2315 \ | |
| 2316 develop(bool, TraceParallelOldGCMarkingPhase, false, \ | |
| 2317 "Trace parallel old gc marking phase") \ | |
| 2318 \ | |
| 2319 develop(bool, TraceParallelOldGCSummaryPhase, false, \ | |
| 2320 "Trace parallel old gc summary phase") \ | |
| 2321 \ | |
| 2322 develop(bool, TraceParallelOldGCCompactionPhase, false, \ | |
| 2323 "Trace parallel old gc compaction phase") \ | |
| 2324 \ | |
| 2325 develop(bool, TraceParallelOldGCDensePrefix, false, \ | |
| 2326 "Trace parallel old gc dense prefix computation") \ | |
| 2327 \ | |
| 2328 develop(bool, IgnoreLibthreadGPFault, false, \ | |
| 2329 "Suppress workaround for libthread GP fault") \ | |
| 2330 \ | |
|
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2331 product(bool, PrintJNIGCStalls, false, \ |
|
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|
2332 "Print diagnostic message when GC is stalled" \ |
|
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|
2333 "by JNI critical section") \ |
|
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|
2334 \ |
| 0 | 2335 /* JVMTI heap profiling */ \ |
| 2336 \ | |
| 2337 diagnostic(bool, TraceJVMTIObjectTagging, false, \ | |
| 2338 "Trace JVMTI object tagging calls") \ | |
| 2339 \ | |
| 2340 diagnostic(bool, VerifyBeforeIteration, false, \ | |
| 2341 "Verify memory system before JVMTI iteration") \ | |
| 2342 \ | |
| 2343 /* compiler interface */ \ | |
| 2344 \ | |
| 2345 develop(bool, CIPrintCompilerName, false, \ | |
| 2346 "when CIPrint is active, print the name of the active compiler") \ | |
| 2347 \ | |
| 2348 develop(bool, CIPrintCompileQueue, false, \ | |
| 2349 "display the contents of the compile queue whenever a " \ | |
| 2350 "compilation is enqueued") \ | |
| 2351 \ | |
| 2352 develop(bool, CIPrintRequests, false, \ | |
| 2353 "display every request for compilation") \ | |
| 2354 \ | |
| 2355 product(bool, CITime, false, \ | |
| 2356 "collect timing information for compilation") \ | |
| 2357 \ | |
| 2358 develop(bool, CITimeEach, false, \ | |
| 2359 "display timing information after each successful compilation") \ | |
| 2360 \ | |
| 2361 develop(bool, CICountOSR, true, \ | |
| 2362 "use a separate counter when assigning ids to osr compilations") \ | |
| 2363 \ | |
| 2364 develop(bool, CICompileNatives, true, \ | |
| 2365 "compile native methods if supported by the compiler") \ | |
| 2366 \ | |
| 2367 develop_pd(bool, CICompileOSR, \ | |
| 2368 "compile on stack replacement methods if supported by the " \ | |
| 2369 "compiler") \ | |
| 2370 \ | |
| 2371 develop(bool, CIPrintMethodCodes, false, \ | |
| 2372 "print method bytecodes of the compiled code") \ | |
| 2373 \ | |
| 2374 develop(bool, CIPrintTypeFlow, false, \ | |
| 2375 "print the results of ciTypeFlow analysis") \ | |
| 2376 \ | |
| 2377 develop(bool, CITraceTypeFlow, false, \ | |
| 2378 "detailed per-bytecode tracing of ciTypeFlow analysis") \ | |
| 2379 \ | |
| 2380 develop(intx, CICloneLoopTestLimit, 100, \ | |
| 2381 "size limit for blocks heuristically cloned in ciTypeFlow") \ | |
| 2382 \ | |
| 2403 | 2383 develop(intx, OSROnlyBCI, -1, \ |
| 2384 "OSR only at this bci. Negative values mean exclude that bci") \ | |
| 2385 \ | |
| 0 | 2386 /* temp diagnostics */ \ |
| 2387 \ | |
| 2388 diagnostic(bool, TraceRedundantCompiles, false, \ | |
| 2389 "Have compile broker print when a request already in the queue is"\ | |
| 2390 " requested again") \ | |
| 2391 \ | |
| 2392 diagnostic(bool, InitialCompileFast, false, \ | |
| 2393 "Initial compile at CompLevel_fast_compile") \ | |
| 2394 \ | |
| 2395 diagnostic(bool, InitialCompileReallyFast, false, \ | |
| 2396 "Initial compile at CompLevel_really_fast_compile (no profile)") \ | |
| 2397 \ | |
| 2398 diagnostic(bool, FullProfileOnReInterpret, true, \ | |
| 2399 "On re-interpret unc-trap compile next at CompLevel_fast_compile")\ | |
| 2400 \ | |
| 2401 /* compiler */ \ | |
| 2402 \ | |
| 2403 product(intx, CICompilerCount, CI_COMPILER_COUNT, \ | |
| 2404 "Number of compiler threads to run") \ | |
| 2405 \ | |
| 2406 product(intx, CompilationPolicyChoice, 0, \ | |
| 2407 "which compilation policy (0/1)") \ | |
| 2408 \ | |
| 2409 develop(bool, UseStackBanging, true, \ | |
| 2410 "use stack banging for stack overflow checks (required for " \ | |
| 2411 "proper StackOverflow handling; disable only to measure cost " \ | |
| 2412 "of stackbanging)") \ | |
| 2413 \ | |
| 2414 develop(bool, Use24BitFPMode, true, \ | |
| 2415 "Set 24-bit FPU mode on a per-compile basis ") \ | |
| 2416 \ | |
| 2417 develop(bool, Use24BitFP, true, \ | |
| 2418 "use FP instructions that produce 24-bit precise results") \ | |
| 2419 \ | |
| 2420 develop(bool, UseStrictFP, true, \ | |
| 2421 "use strict fp if modifier strictfp is set") \ | |
| 2422 \ | |
| 2423 develop(bool, GenerateSynchronizationCode, true, \ | |
| 2424 "generate locking/unlocking code for synchronized methods and " \ | |
| 2425 "monitors") \ | |
| 2426 \ | |
| 2427 develop(bool, GenerateCompilerNullChecks, true, \ | |
| 2428 "Generate explicit null checks for loads/stores/calls") \ | |
| 2429 \ | |
| 2430 develop(bool, GenerateRangeChecks, true, \ | |
| 2431 "Generate range checks for array accesses") \ | |
| 2432 \ | |
| 2433 develop_pd(bool, ImplicitNullChecks, \ | |
| 2434 "generate code for implicit null checks") \ | |
| 2435 \ | |
| 2436 product(bool, PrintSafepointStatistics, false, \ | |
| 2437 "print statistics about safepoint synchronization") \ | |
| 2438 \ | |
| 2439 product(intx, PrintSafepointStatisticsCount, 300, \ | |
| 2440 "total number of safepoint statistics collected " \ | |
| 2441 "before printing them out") \ | |
| 2442 \ | |
| 2443 product(intx, PrintSafepointStatisticsTimeout, -1, \ | |
| 2444 "print safepoint statistics only when safepoint takes" \ | |
| 2445 " more than PrintSafepointSatisticsTimeout in millis") \ | |
| 2446 \ | |
|
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|
2447 product(bool, TraceSafepointCleanupTime, false, \ |
|
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|
2448 "print the break down of clean up tasks performed during" \ |
|
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|
2449 " safepoint") \ |
|
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|
2450 \ |
| 0 | 2451 develop(bool, InlineAccessors, true, \ |
| 2452 "inline accessor methods (get/set)") \ | |
| 2453 \ | |
| 2454 product(bool, Inline, true, \ | |
| 2455 "enable inlining") \ | |
| 2456 \ | |
| 2457 product(bool, ClipInlining, true, \ | |
| 2458 "clip inlining if aggregate method exceeds DesiredMethodLimit") \ | |
| 2459 \ | |
| 2460 develop(bool, UseCHA, true, \ | |
| 2461 "enable CHA") \ | |
| 2462 \ | |
| 2463 product(bool, UseTypeProfile, true, \ | |
| 2464 "Check interpreter profile for historically monomorphic calls") \ | |
| 2465 \ | |
| 2466 product(intx, TypeProfileMajorReceiverPercent, 90, \ | |
| 2467 "% of major receiver type to all profiled receivers") \ | |
| 2468 \ | |
| 2469 notproduct(bool, TimeCompiler, false, \ | |
| 2470 "time the compiler") \ | |
| 2471 \ | |
| 2472 notproduct(bool, TimeCompiler2, false, \ | |
| 2473 "detailed time the compiler (requires +TimeCompiler)") \ | |
| 2474 \ | |
| 2475 diagnostic(bool, PrintInlining, false, \ | |
| 2476 "prints inlining optimizations") \ | |
| 2477 \ | |
| 2478 diagnostic(bool, PrintIntrinsics, false, \ | |
| 2479 "prints attempted and successful inlining of intrinsics") \ | |
| 2480 \ | |
|
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|
2481 product(bool, UseCountLeadingZerosInstruction, false, \ |
|
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|
2482 "Use count leading zeros instruction") \ |
|
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|
2483 \ |
|
643
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|
2484 product(bool, UsePopCountInstruction, false, \ |
|
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|
2485 "Use population count instruction") \ |
|
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|
2486 \ |
| 0 | 2487 diagnostic(ccstrlist, DisableIntrinsic, "", \ |
| 2488 "do not expand intrinsics whose (internal) names appear here") \ | |
| 2489 \ | |
| 2490 develop(bool, StressReflectiveCode, false, \ | |
| 2491 "Use inexact types at allocations, etc., to test reflection") \ | |
| 2492 \ | |
| 2493 develop(bool, EagerInitialization, false, \ | |
| 2494 "Eagerly initialize classes if possible") \ | |
| 2495 \ | |
| 2496 develop(bool, TraceMethodReplacement, false, \ | |
| 2497 "Print when methods are replaced do to recompilation") \ | |
| 2498 \ | |
| 2499 develop(bool, PrintMethodFlushing, false, \ | |
| 2500 "print the nmethods being flushed") \ | |
| 2501 \ | |
| 2502 notproduct(bool, LogMultipleMutexLocking, false, \ | |
| 2503 "log locking and unlocking of mutexes (only if multiple locks " \ | |
| 2504 "are held)") \ | |
| 2505 \ | |
| 2506 develop(bool, UseRelocIndex, false, \ | |
| 2507 "use an index to speed random access to relocations") \ | |
| 2508 \ | |
| 2509 develop(bool, StressCodeBuffers, false, \ | |
| 2510 "Exercise code buffer expansion and other rare state changes") \ | |
| 2511 \ | |
| 2512 diagnostic(bool, DebugNonSafepoints, trueInDebug, \ | |
| 2513 "Generate extra debugging info for non-safepoints in nmethods") \ | |
| 2514 \ | |
| 2515 diagnostic(bool, DebugInlinedCalls, true, \ | |
| 2516 "If false, restricts profiled locations to the root method only") \ | |
| 2517 \ | |
| 2518 product(bool, PrintVMOptions, trueInDebug, \ | |
| 1150 | 2519 "Print flags that appeared on the command line") \ |
| 0 | 2520 \ |
| 564 | 2521 product(bool, IgnoreUnrecognizedVMOptions, false, \ |
| 2522 "Ignore unrecognized VM options") \ | |
| 2523 \ | |
| 1150 | 2524 product(bool, PrintCommandLineFlags, false, \ |
| 2525 "Print flags specified on command line or set by ergonomics") \ | |
| 2526 \ | |
| 2527 product(bool, PrintFlagsInitial, false, \ | |
| 2528 "Print all VM flags before argument processing and exit VM") \ | |
| 2529 \ | |
| 2530 product(bool, PrintFlagsFinal, false, \ | |
| 2531 "Print all VM flags after argument and ergonomic processing") \ | |
| 2532 \ | |
|
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|
2533 notproduct(bool, PrintFlagsWithComments, false, \ |
|
6ee479178066
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diff
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|
2534 "Print all VM flags with default values and descriptions and exit")\ |
|
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|
2535 \ |
| 0 | 2536 diagnostic(bool, SerializeVMOutput, true, \ |
| 2537 "Use a mutex to serialize output to tty and hotspot.log") \ | |
| 2538 \ | |
| 2539 diagnostic(bool, DisplayVMOutput, true, \ | |
| 2540 "Display all VM output on the tty, independently of LogVMOutput") \ | |
| 2541 \ | |
| 2542 diagnostic(bool, LogVMOutput, trueInDebug, \ | |
| 2543 "Save VM output to hotspot.log, or to LogFile") \ | |
| 2544 \ | |
| 2545 diagnostic(ccstr, LogFile, NULL, \ | |
| 2546 "If LogVMOutput is on, save VM output to this file [hotspot.log]") \ | |
| 2547 \ | |
| 2548 product(ccstr, ErrorFile, NULL, \ | |
| 2549 "If an error occurs, save the error data to this file " \ | |
| 2550 "[default: ./hs_err_pid%p.log] (%p replaced with pid)") \ | |
| 2551 \ | |
| 2552 product(bool, DisplayVMOutputToStderr, false, \ | |
| 2553 "If DisplayVMOutput is true, display all VM output to stderr") \ | |
| 2554 \ | |
| 2555 product(bool, DisplayVMOutputToStdout, false, \ | |
| 2556 "If DisplayVMOutput is true, display all VM output to stdout") \ | |
| 2557 \ | |
| 2558 product(bool, UseHeavyMonitors, false, \ | |
| 2559 "use heavyweight instead of lightweight Java monitors") \ | |
| 2560 \ | |
| 2561 notproduct(bool, PrintSymbolTableSizeHistogram, false, \ | |
| 2562 "print histogram of the symbol table") \ | |
| 2563 \ | |
| 2564 notproduct(bool, ExitVMOnVerifyError, false, \ | |
| 2565 "standard exit from VM if bytecode verify error " \ | |
| 2566 "(only in debug mode)") \ | |
| 2567 \ | |
| 2568 notproduct(ccstr, AbortVMOnException, NULL, \ | |
| 2569 "Call fatal if this exception is thrown. Example: " \ | |
| 2570 "java -XX:AbortVMOnException=java.lang.NullPointerException Foo") \ | |
| 2571 \ | |
|
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|
2572 notproduct(ccstr, AbortVMOnExceptionMessage, NULL, \ |
|
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|
2573 "Call fatal if the exception pointed by AbortVMOnException " \ |
|
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|
2574 "has this message.") \ |
|
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|
2575 \ |
| 0 | 2576 develop(bool, DebugVtables, false, \ |
| 2577 "add debugging code to vtable dispatch") \ | |
| 2578 \ | |
| 2579 develop(bool, PrintVtables, false, \ | |
| 2580 "print vtables when printing klass") \ | |
| 2581 \ | |
| 2582 notproduct(bool, PrintVtableStats, false, \ | |
| 2583 "print vtables stats at end of run") \ | |
| 2584 \ | |
| 2585 develop(bool, TraceCreateZombies, false, \ | |
| 2586 "trace creation of zombie nmethods") \ | |
| 2587 \ | |
| 2588 notproduct(bool, IgnoreLockingAssertions, false, \ | |
| 2589 "disable locking assertions (for speed)") \ | |
| 2590 \ | |
| 2591 notproduct(bool, VerifyLoopOptimizations, false, \ | |
| 2592 "verify major loop optimizations") \ | |
| 2593 \ | |
| 2594 product(bool, RangeCheckElimination, true, \ | |
| 2595 "Split loop iterations to eliminate range checks") \ | |
| 2596 \ | |
| 2597 develop_pd(bool, UncommonNullCast, \ | |
| 2598 "track occurrences of null in casts; adjust compiler tactics") \ | |
| 2599 \ | |
| 2600 develop(bool, TypeProfileCasts, true, \ | |
| 2601 "treat casts like calls for purposes of type profiling") \ | |
| 2602 \ | |
| 2603 develop(bool, MonomorphicArrayCheck, true, \ | |
| 2604 "Uncommon-trap array store checks that require full type check") \ | |
| 2605 \ | |
|
1746
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diff
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|
2606 diagnostic(bool, ProfileDynamicTypes, true, \ |
|
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|
2607 "do extra type profiling and use it more aggressively") \ |
|
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|
2608 \ |
| 0 | 2609 develop(bool, DelayCompilationDuringStartup, true, \ |
| 2610 "Delay invoking the compiler until main application class is " \ | |
| 2611 "loaded") \ | |
| 2612 \ | |
| 2613 develop(bool, CompileTheWorld, false, \ | |
| 2614 "Compile all methods in all classes in bootstrap class path " \ | |
| 2615 "(stress test)") \ | |
| 2616 \ | |
| 2617 develop(bool, CompileTheWorldPreloadClasses, true, \ | |
| 2618 "Preload all classes used by a class before start loading") \ | |
| 2619 \ | |
|
1188
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6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
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diff
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|
2620 notproduct(intx, CompileTheWorldSafepointInterval, 100, \ |
|
99af867dfa05
6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld
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|
2621 "Force a safepoint every n compiles so sweeper can keep up") \ |
|
99af867dfa05
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|
2622 \ |
| 0 | 2623 develop(bool, TraceIterativeGVN, false, \ |
| 2624 "Print progress during Iterative Global Value Numbering") \ | |
| 2625 \ | |
| 2626 develop(bool, FillDelaySlots, true, \ | |
| 2627 "Fill delay slots (on SPARC only)") \ | |
| 2628 \ | |
| 2629 develop(bool, VerifyIterativeGVN, false, \ | |
| 2630 "Verify Def-Use modifications during sparse Iterative Global " \ | |
| 2631 "Value Numbering") \ | |
| 2632 \ | |
| 2633 notproduct(bool, TracePhaseCCP, false, \ | |
| 2634 "Print progress during Conditional Constant Propagation") \ | |
| 2635 \ | |
| 2636 develop(bool, TimeLivenessAnalysis, false, \ | |
| 2637 "Time computation of bytecode liveness analysis") \ | |
| 2638 \ | |
| 2639 develop(bool, TraceLivenessGen, false, \ | |
| 2640 "Trace the generation of liveness analysis information") \ | |
| 2641 \ | |
| 2642 notproduct(bool, TraceLivenessQuery, false, \ | |
| 2643 "Trace queries of liveness analysis information") \ | |
| 2644 \ | |
| 2645 notproduct(bool, CollectIndexSetStatistics, false, \ | |
| 2646 "Collect information about IndexSets") \ | |
| 2647 \ | |
| 2648 develop(bool, PrintDominators, false, \ | |
| 2649 "Print out dominator trees for GVN") \ | |
| 2650 \ | |
| 2651 develop(bool, UseLoopSafepoints, true, \ | |
| 2652 "Generate Safepoint nodes in every loop") \ | |
| 2653 \ | |
| 2654 notproduct(bool, TraceCISCSpill, false, \ | |
| 2655 "Trace allocators use of cisc spillable instructions") \ | |
| 2656 \ | |
| 2657 notproduct(bool, TraceSpilling, false, \ | |
| 2658 "Trace spilling") \ | |
| 2659 \ | |
| 2660 product(bool, SplitIfBlocks, true, \ | |
| 2661 "Clone compares and control flow through merge points to fold " \ | |
| 2662 "some branches") \ | |
| 2663 \ | |
| 2664 develop(intx, FastAllocateSizeLimit, 128*K, \ | |
| 2665 /* Note: This value is zero mod 1<<13 for a cheap sparc set. */ \ | |
| 2666 "Inline allocations larger than this in doublewords must go slow")\ | |
| 2667 \ | |
| 2668 product(bool, AggressiveOpts, false, \ | |
| 2669 "Enable aggressive optimizations - see arguments.cpp") \ | |
| 2670 \ | |
|
192
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|
2671 product(bool, UseStringCache, false, \ |
|
6d13fcb3663f
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|
2672 "Enable String cache capabilities on String.java") \ |
|
6d13fcb3663f
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|
2673 \ |
| 0 | 2674 /* statistics */ \ |
| 2675 develop(bool, CountCompiledCalls, false, \ | |
| 2676 "counts method invocations") \ | |
| 2677 \ | |
| 2678 notproduct(bool, CountRuntimeCalls, false, \ | |
| 2679 "counts VM runtime calls") \ | |
| 2680 \ | |
| 2681 develop(bool, CountJNICalls, false, \ | |
| 2682 "counts jni method invocations") \ | |
| 2683 \ | |
| 2684 notproduct(bool, CountJVMCalls, false, \ | |
| 2685 "counts jvm method invocations") \ | |
| 2686 \ | |
| 2687 notproduct(bool, CountRemovableExceptions, false, \ | |
| 2688 "count exceptions that could be replaced by branches due to " \ | |
| 2689 "inlining") \ | |
| 2690 \ | |
| 2691 notproduct(bool, ICMissHistogram, false, \ | |
| 2692 "produce histogram of IC misses") \ | |
| 2693 \ | |
| 2694 notproduct(bool, PrintClassStatistics, false, \ | |
| 2695 "prints class statistics at end of run") \ | |
| 2696 \ | |
| 2697 notproduct(bool, PrintMethodStatistics, false, \ | |
| 2698 "prints method statistics at end of run") \ | |
| 2699 \ | |
| 2700 /* interpreter */ \ | |
| 2701 develop(bool, ClearInterpreterLocals, false, \ | |
| 2702 "Always clear local variables of interpreter activations upon " \ | |
| 2703 "entry") \ | |
| 2704 \ | |
| 2705 product_pd(bool, RewriteBytecodes, \ | |
| 2706 "Allow rewriting of bytecodes (bytecodes are not immutable)") \ | |
| 2707 \ | |
| 2708 product_pd(bool, RewriteFrequentPairs, \ | |
| 2709 "Rewrite frequently used bytecode pairs into a single bytecode") \ | |
| 2710 \ | |
|
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|
2711 diagnostic(bool, PrintInterpreter, false, \ |
| 0 | 2712 "Prints the generated interpreter code") \ |
| 2713 \ | |
| 2714 product(bool, UseInterpreter, true, \ | |
| 2715 "Use interpreter for non-compiled methods") \ | |
| 2716 \ | |
| 2717 develop(bool, UseFastSignatureHandlers, true, \ | |
| 2718 "Use fast signature handlers for native calls") \ | |
| 2719 \ | |
| 2720 develop(bool, UseV8InstrsOnly, false, \ | |
| 2721 "Use SPARC-V8 Compliant instruction subset") \ | |
| 2722 \ | |
| 2723 product(bool, UseNiagaraInstrs, false, \ | |
| 2724 "Use Niagara-efficient instruction subset") \ | |
| 2725 \ | |
| 2726 develop(bool, UseCASForSwap, false, \ | |
| 2727 "Do not use swap instructions, but only CAS (in a loop) on SPARC")\ | |
| 2728 \ | |
| 2729 product(bool, UseLoopCounter, true, \ | |
| 2730 "Increment invocation counter on backward branch") \ | |
| 2731 \ | |
|
2458
98c560260039
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2442
diff
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|
2732 product(bool, UseFastEmptyMethods, true, \ |
| 0 | 2733 "Use fast method entry code for empty methods") \ |
| 2734 \ | |
|
2458
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|
2735 product(bool, UseFastAccessorMethods, true, \ |
| 0 | 2736 "Use fast method entry code for accessor methods") \ |
| 2737 \ | |
| 2738 product_pd(bool, UseOnStackReplacement, \ | |
| 2739 "Use on stack replacement, calls runtime if invoc. counter " \ | |
| 2740 "overflows in loop") \ | |
| 2741 \ | |
| 2742 notproduct(bool, TraceOnStackReplacement, false, \ | |
| 2743 "Trace on stack replacement") \ | |
| 2744 \ | |
| 2745 develop(bool, PoisonOSREntry, true, \ | |
| 2746 "Detect abnormal calls to OSR code") \ | |
| 2747 \ | |
| 2748 product_pd(bool, PreferInterpreterNativeStubs, \ | |
| 2749 "Use always interpreter stubs for native methods invoked via " \ | |
| 2750 "interpreter") \ | |
| 2751 \ | |
| 2752 develop(bool, CountBytecodes, false, \ | |
| 2753 "Count number of bytecodes executed") \ | |
| 2754 \ | |
| 2755 develop(bool, PrintBytecodeHistogram, false, \ | |
| 2756 "Print histogram of the executed bytecodes") \ | |
| 2757 \ | |
| 2758 develop(bool, PrintBytecodePairHistogram, false, \ | |
| 2759 "Print histogram of the executed bytecode pairs") \ | |
| 2760 \ | |
|
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|
2761 diagnostic(bool, PrintSignatureHandlers, false, \ |
| 0 | 2762 "Print code generated for native method signature handlers") \ |
| 2763 \ | |
| 2764 develop(bool, VerifyOops, false, \ | |
| 2765 "Do plausibility checks for oops") \ | |
| 2766 \ | |
| 2767 develop(bool, CheckUnhandledOops, false, \ | |
| 2768 "Check for unhandled oops in VM code") \ | |
| 2769 \ | |
| 2770 develop(bool, VerifyJNIFields, trueInDebug, \ | |
| 2771 "Verify jfieldIDs for instance fields") \ | |
| 2772 \ | |
| 2773 notproduct(bool, VerifyJNIEnvThread, false, \ | |
| 2774 "Verify JNIEnv.thread == Thread::current() when entering VM " \ | |
| 2775 "from JNI") \ | |
| 2776 \ | |
| 2777 develop(bool, VerifyFPU, false, \ | |
| 2778 "Verify FPU state (check for NaN's, etc.)") \ | |
| 2779 \ | |
| 2780 develop(bool, VerifyThread, false, \ | |
| 2781 "Watch the thread register for corruption (SPARC only)") \ | |
| 2782 \ | |
| 2783 develop(bool, VerifyActivationFrameSize, false, \ | |
| 2784 "Verify that activation frame didn't become smaller than its " \ | |
| 2785 "minimal size") \ | |
| 2786 \ | |
| 2787 develop(bool, TraceFrequencyInlining, false, \ | |
| 2788 "Trace frequency based inlining") \ | |
| 2789 \ | |
| 2790 notproduct(bool, TraceTypeProfile, false, \ | |
| 2791 "Trace type profile") \ | |
| 2792 \ | |
| 2793 develop_pd(bool, InlineIntrinsics, \ | |
| 2794 "Inline intrinsics that can be statically resolved") \ | |
| 2795 \ | |
| 2796 product_pd(bool, ProfileInterpreter, \ | |
| 2797 "Profile at the bytecode level during interpretation") \ | |
| 2798 \ | |
| 2799 develop_pd(bool, ProfileTraps, \ | |
| 2800 "Profile deoptimization traps at the bytecode level") \ | |
| 2801 \ | |
| 2802 product(intx, ProfileMaturityPercentage, 20, \ | |
| 2803 "number of method invocations/branches (expressed as % of " \ | |
| 2804 "CompileThreshold) before using the method's profile") \ | |
| 2805 \ | |
| 2806 develop(bool, PrintMethodData, false, \ | |
| 2807 "Print the results of +ProfileInterpreter at end of run") \ | |
| 2808 \ | |
| 2809 develop(bool, VerifyDataPointer, trueInDebug, \ | |
| 2810 "Verify the method data pointer during interpreter profiling") \ | |
| 2811 \ | |
| 2812 develop(bool, VerifyCompiledCode, false, \ | |
| 2813 "Include miscellaneous runtime verifications in nmethod code; " \ | |
| 1064 | 2814 "default off because it disturbs nmethod size heuristics") \ |
| 0 | 2815 \ |
|
1119
547f81740344
6361589: Print out stack trace for target thread of GC crash
minqi
parents:
1064
diff
changeset
|
2816 notproduct(bool, CrashGCForDumpingJavaThread, false, \ |
|
547f81740344
6361589: Print out stack trace for target thread of GC crash
minqi
parents:
1064
diff
changeset
|
2817 "Manually make GC thread crash then dump java stack trace; " \ |
|
547f81740344
6361589: Print out stack trace for target thread of GC crash
minqi
parents:
1064
diff
changeset
|
2818 "Test only") \ |
| 0 | 2819 \ |
| 2820 /* compilation */ \ | |
| 2821 product(bool, UseCompiler, true, \ | |
| 2822 "use compilation") \ | |
| 2823 \ | |
| 2824 develop(bool, TraceCompilationPolicy, false, \ | |
| 2825 "Trace compilation policy") \ | |
| 2826 \ | |
| 2827 develop(bool, TimeCompilationPolicy, false, \ | |
| 2828 "Time the compilation policy") \ | |
| 2829 \ | |
| 2830 product(bool, UseCounterDecay, true, \ | |
| 2831 "adjust recompilation counters") \ | |
| 2832 \ | |
| 2833 develop(intx, CounterHalfLifeTime, 30, \ | |
| 2834 "half-life time of invocation counters (in secs)") \ | |
| 2835 \ | |
| 2836 develop(intx, CounterDecayMinIntervalLength, 500, \ | |
| 2837 "Min. ms. between invocation of CounterDecay") \ | |
| 2838 \ | |
| 2839 product(bool, AlwaysCompileLoopMethods, false, \ | |
| 2840 "when using recompilation, never interpret methods " \ | |
| 2841 "containing loops") \ | |
| 2842 \ | |
| 2843 product(bool, DontCompileHugeMethods, true, \ | |
| 2844 "don't compile methods > HugeMethodLimit") \ | |
| 2845 \ | |
| 2846 /* Bytecode escape analysis estimation. */ \ | |
| 2847 product(bool, EstimateArgEscape, true, \ | |
| 2848 "Analyze bytecodes to estimate escape state of arguments") \ | |
| 2849 \ | |
| 2850 product(intx, BCEATraceLevel, 0, \ | |
| 2851 "How much tracing to do of bytecode escape analysis estimates") \ | |
| 2852 \ | |
| 2853 product(intx, MaxBCEAEstimateLevel, 5, \ | |
| 2854 "Maximum number of nested calls that are analyzed by BC EA.") \ | |
| 2855 \ | |
| 2856 product(intx, MaxBCEAEstimateSize, 150, \ | |
| 2857 "Maximum bytecode size of a method to be analyzed by BC EA.") \ | |
| 2858 \ | |
| 2859 product(intx, AllocatePrefetchStyle, 1, \ | |
| 2860 "0 = no prefetch, " \ | |
| 2861 "1 = prefetch instructions for each allocation, " \ | |
|
1367
9e321dcfa5b7
6940726: Use BIS instruction for allocation prefetch on Sparc
kvn
parents:
1366
diff
changeset
|
2862 "2 = use TLAB watermark to gate allocation prefetch, " \ |
|
9e321dcfa5b7
6940726: Use BIS instruction for allocation prefetch on Sparc
kvn
parents:
1366
diff
changeset
|
2863 "3 = use BIS instruction on Sparc for allocation prefetch") \ |
| 0 | 2864 \ |
| 2865 product(intx, AllocatePrefetchDistance, -1, \ | |
| 2866 "Distance to prefetch ahead of allocation pointer") \ | |
| 2867 \ | |
| 2868 product(intx, AllocatePrefetchLines, 1, \ | |
| 2869 "Number of lines to prefetch ahead of allocation pointer") \ | |
| 2870 \ | |
| 2871 product(intx, AllocatePrefetchStepSize, 16, \ | |
| 2872 "Step size in bytes of sequential prefetch instructions") \ | |
| 2873 \ | |
| 2874 product(intx, AllocatePrefetchInstr, 0, \ | |
| 2875 "Prefetch instruction to prefetch ahead of allocation pointer") \ | |
| 2876 \ | |
| 2877 product(intx, ReadPrefetchInstr, 0, \ | |
| 2878 "Prefetch instruction to prefetch ahead") \ | |
| 2879 \ | |
| 2880 /* deoptimization */ \ | |
|
2607
008adfd6d850
Fixed the stateBefore of invokes and monitorenter instructions to include the arguments of the instruction.
Thomas Wuerthinger <thomas@wuerthinger.net>
parents:
2492
diff
changeset
|
2881 product(bool, TraceDeoptimization, false, \ |
| 0 | 2882 "Trace deoptimization") \ |
| 2883 \ | |
| 2884 develop(bool, DebugDeoptimization, false, \ | |
| 2885 "Tracing various information while debugging deoptimization") \ | |
| 2886 \ | |
| 2887 product(intx, SelfDestructTimer, 0, \ | |
| 2888 "Will cause VM to terminate after a given time (in minutes) " \ | |
| 2889 "(0 means off)") \ | |
| 2890 \ | |
| 2891 product(intx, MaxJavaStackTraceDepth, 1024, \ | |
| 2892 "Max. no. of lines in the stack trace for Java exceptions " \ | |
| 2893 "(0 means all)") \ | |
| 2894 \ | |
|
2192
b92c45f2bc75
7016023: Enable building ARM and PPC from src/closed repository
bobv
parents:
2177
diff
changeset
|
2895 NOT_EMBEDDED(develop(intx, GuaranteedSafepointInterval, 1000, \ |
| 0 | 2896 "Guarantee a safepoint (at least) every so many milliseconds " \ |
|
2192
b92c45f2bc75
7016023: Enable building ARM and PPC from src/closed repository
bobv
parents:
2177
diff
changeset
|
2897 "(0 means none)")) \ |
|
b92c45f2bc75
7016023: Enable building ARM and PPC from src/closed repository
bobv
parents:
2177
diff
changeset
|
2898 \ |
|
b92c45f2bc75
7016023: Enable building ARM and PPC from src/closed repository
bobv
parents:
2177
diff
changeset
|
2899 EMBEDDED_ONLY(product(intx, GuaranteedSafepointInterval, 0, \ |
|
b92c45f2bc75
7016023: Enable building ARM and PPC from src/closed repository
bobv
parents:
2177
diff
changeset
|
2900 "Guarantee a safepoint (at least) every so many milliseconds " \ |
|
b92c45f2bc75
7016023: Enable building ARM and PPC from src/closed repository
bobv
parents:
2177
diff
changeset
|
2901 "(0 means none)")) \ |
| 0 | 2902 \ |
| 2903 product(intx, SafepointTimeoutDelay, 10000, \ | |
| 2904 "Delay in milliseconds for option SafepointTimeout") \ | |
| 2905 \ | |
| 2906 product(intx, NmethodSweepFraction, 4, \ | |
| 2907 "Number of invocations of sweeper to cover all nmethods") \ | |
| 2908 \ | |
|
1538
bfe29ec02863
6950075: nmethod sweeper should operate concurrently
never
parents:
1513
diff
changeset
|
2909 product(intx, NmethodSweepCheckInterval, 5, \ |
|
bfe29ec02863
6950075: nmethod sweeper should operate concurrently
never
parents:
1513
diff
changeset
|
2910 "Compilers wake up every n seconds to possibly sweep nmethods") \ |
|
bfe29ec02863
6950075: nmethod sweeper should operate concurrently
never
parents:
1513
diff
changeset
|
2911 \ |
| 0 | 2912 notproduct(intx, MemProfilingInterval, 500, \ |
| 2913 "Time between each invocation of the MemProfiler") \ | |
| 2914 \ | |
| 2915 develop(intx, MallocCatchPtr, -1, \ | |
| 2916 "Hit breakpoint when mallocing/freeing this pointer") \ | |
| 2917 \ | |
| 2918 notproduct(intx, AssertRepeat, 1, \ | |
| 2919 "number of times to evaluate expression in assert " \ | |
| 2920 "(to estimate overhead); only works with -DUSE_REPEATED_ASSERTS") \ | |
| 2921 \ | |
| 2922 notproduct(ccstrlist, SuppressErrorAt, "", \ | |
| 2923 "List of assertions (file:line) to muzzle") \ | |
| 2924 \ | |
| 2925 notproduct(uintx, HandleAllocationLimit, 1024, \ | |
| 2926 "Threshold for HandleMark allocation when +TraceHandleAllocation "\ | |
| 2927 "is used") \ | |
| 2928 \ | |
| 2929 develop(uintx, TotalHandleAllocationLimit, 1024, \ | |
| 2930 "Threshold for total handle allocation when " \ | |
| 2931 "+TraceHandleAllocation is used") \ | |
| 2932 \ | |
| 2933 develop(intx, StackPrintLimit, 100, \ | |
| 2934 "number of stack frames to print in VM-level stack dump") \ | |
| 2935 \ | |
| 2936 notproduct(intx, MaxElementPrintSize, 256, \ | |
| 2937 "maximum number of elements to print") \ | |
| 2938 \ | |
| 2939 notproduct(intx, MaxSubklassPrintSize, 4, \ | |
| 2940 "maximum number of subklasses to print when printing klass") \ | |
| 2941 \ | |
|
1157
c3b315a0d58a
6912063: inlining parameters need to be adjusted for some uses of the JVM
jrose
parents:
1150
diff
changeset
|
2942 product(intx, MaxInlineLevel, 9, \ |
| 0 | 2943 "maximum number of nested calls that are inlined") \ |
| 2944 \ | |
|
1157
c3b315a0d58a
6912063: inlining parameters need to be adjusted for some uses of the JVM
jrose
parents:
1150
diff
changeset
|
2945 product(intx, MaxRecursiveInlineLevel, 1, \ |
| 0 | 2946 "maximum number of nested recursive calls that are inlined") \ |
| 2947 \ | |
| 675 | 2948 product_pd(intx, InlineSmallCode, \ |
| 0 | 2949 "Only inline already compiled methods if their code size is " \ |
| 2950 "less than this") \ | |
| 2951 \ | |
| 2952 product(intx, MaxInlineSize, 35, \ | |
| 2953 "maximum bytecode size of a method to be inlined") \ | |
| 2954 \ | |
| 2955 product_pd(intx, FreqInlineSize, \ | |
| 2956 "maximum bytecode size of a frequent method to be inlined") \ | |
| 2957 \ | |
|
1157
c3b315a0d58a
6912063: inlining parameters need to be adjusted for some uses of the JVM
jrose
parents:
1150
diff
changeset
|
2958 product(intx, MaxTrivialSize, 6, \ |
| 0 | 2959 "maximum bytecode size of a trivial method to be inlined") \ |
| 2960 \ | |
|
1157
c3b315a0d58a
6912063: inlining parameters need to be adjusted for some uses of the JVM
jrose
parents:
1150
diff
changeset
|
2961 product(intx, MinInliningThreshold, 250, \ |
| 0 | 2962 "min. invocation count a method needs to have to be inlined") \ |
| 2963 \ | |
| 2964 develop(intx, AlignEntryCode, 4, \ | |
| 2965 "aligns entry code to specified value (in bytes)") \ | |
| 2966 \ | |
| 2967 develop(intx, MethodHistogramCutoff, 100, \ | |
| 2968 "cutoff value for method invoc. histogram (+CountCalls)") \ | |
| 2969 \ | |
| 2970 develop(intx, ProfilerNumberOfInterpretedMethods, 25, \ | |
| 2971 "# of interpreted methods to show in profile") \ | |
| 2972 \ | |
| 2973 develop(intx, ProfilerNumberOfCompiledMethods, 25, \ | |
| 2974 "# of compiled methods to show in profile") \ | |
| 2975 \ | |
| 2976 develop(intx, ProfilerNumberOfStubMethods, 25, \ | |
| 2977 "# of stub methods to show in profile") \ | |
| 2978 \ | |
| 2979 develop(intx, ProfilerNumberOfRuntimeStubNodes, 25, \ | |
| 2980 "# of runtime stub nodes to show in profile") \ | |
| 2981 \ | |
| 2982 product(intx, ProfileIntervalsTicks, 100, \ | |
| 2983 "# of ticks between printing of interval profile " \ | |
| 2984 "(+ProfileIntervals)") \ | |
| 2985 \ | |
| 2986 notproduct(intx, ScavengeALotInterval, 1, \ | |
| 2987 "Interval between which scavenge will occur with +ScavengeALot") \ | |
| 2988 \ | |
| 2989 notproduct(intx, FullGCALotInterval, 1, \ | |
| 2990 "Interval between which full gc will occur with +FullGCALot") \ | |
| 2991 \ | |
| 2992 notproduct(intx, FullGCALotStart, 0, \ | |
| 2993 "For which invocation to start FullGCAlot") \ | |
| 2994 \ | |
| 2995 notproduct(intx, FullGCALotDummies, 32*K, \ | |
| 2996 "Dummy object allocated with +FullGCALot, forcing all objects " \ | |
| 2997 "to move") \ | |
| 2998 \ | |
| 2999 develop(intx, DontYieldALotInterval, 10, \ | |
| 3000 "Interval between which yields will be dropped (milliseconds)") \ | |
| 3001 \ | |
| 3002 develop(intx, MinSleepInterval, 1, \ | |
| 3003 "Minimum sleep() interval (milliseconds) when " \ | |
| 3004 "ConvertSleepToYield is off (used for SOLARIS)") \ | |
| 3005 \ | |
| 3006 product(intx, EventLogLength, 2000, \ | |
| 3007 "maximum nof events in event log") \ | |
| 3008 \ | |
| 3009 develop(intx, ProfilerPCTickThreshold, 15, \ | |
| 3010 "Number of ticks in a PC buckets to be a hotspot") \ | |
| 3011 \ | |
| 3012 notproduct(intx, DeoptimizeALotInterval, 5, \ | |
| 3013 "Number of exits until DeoptimizeALot kicks in") \ | |
| 3014 \ | |
| 3015 notproduct(intx, ZombieALotInterval, 5, \ | |
| 3016 "Number of exits until ZombieALot kicks in") \ | |
| 3017 \ | |
| 3018 develop(bool, StressNonEntrant, false, \ | |
| 3019 "Mark nmethods non-entrant at registration") \ | |
| 3020 \ | |
| 3021 diagnostic(intx, MallocVerifyInterval, 0, \ | |
| 3022 "if non-zero, verify C heap after every N calls to " \ | |
| 3023 "malloc/realloc/free") \ | |
| 3024 \ | |
| 3025 diagnostic(intx, MallocVerifyStart, 0, \ | |
| 3026 "if non-zero, start verifying C heap after Nth call to " \ | |
| 3027 "malloc/realloc/free") \ | |
| 3028 \ | |
| 1783 | 3029 product(intx, TypeProfileWidth, 2, \ |
| 0 | 3030 "number of receiver types to record in call/cast profile") \ |
| 3031 \ | |
| 3032 develop(intx, BciProfileWidth, 2, \ | |
| 3033 "number of return bci's to record in ret profile") \ | |
| 3034 \ | |
| 3035 product(intx, PerMethodRecompilationCutoff, 400, \ | |
| 3036 "After recompiling N times, stay in the interpreter (-1=>'Inf')") \ | |
| 3037 \ | |
|
1206
87684f1a88b5
6614597: Performance variability in jvm2008 xml.validation
kvn
parents:
1202
diff
changeset
|
3038 product(intx, PerBytecodeRecompilationCutoff, 200, \ |
| 0 | 3039 "Per-BCI limit on repeated recompilation (-1=>'Inf')") \ |
| 3040 \ | |
| 3041 product(intx, PerMethodTrapLimit, 100, \ | |
| 3042 "Limit on traps (of one kind) in a method (includes inlines)") \ | |
| 3043 \ | |
| 3044 product(intx, PerBytecodeTrapLimit, 4, \ | |
| 3045 "Limit on traps (of one kind) at a particular BCI") \ | |
| 3046 \ | |
| 3047 develop(intx, FreqCountInvocations, 1, \ | |
| 3048 "Scaling factor for branch frequencies (deprecated)") \ | |
| 3049 \ | |
| 3050 develop(intx, InlineFrequencyRatio, 20, \ | |
| 3051 "Ratio of call site execution to caller method invocation") \ | |
| 3052 \ | |
| 3053 develop_pd(intx, InlineFrequencyCount, \ | |
| 3054 "Count of call site execution necessary to trigger frequent " \ | |
| 3055 "inlining") \ | |
| 3056 \ | |
| 3057 develop(intx, InlineThrowCount, 50, \ | |
| 3058 "Force inlining of interpreted methods that throw this often") \ | |
| 3059 \ | |
| 3060 develop(intx, InlineThrowMaxSize, 200, \ | |
| 3061 "Force inlining of throwing methods smaller than this") \ | |
| 3062 \ | |
| 3063 product(intx, AliasLevel, 3, \ | |
| 3064 "0 for no aliasing, 1 for oop/field/static/array split, " \ | |
| 3065 "2 for class split, 3 for unique instances") \ | |
| 3066 \ | |
| 3067 develop(bool, VerifyAliases, false, \ | |
| 3068 "perform extra checks on the results of alias analysis") \ | |
| 3069 \ | |
| 3070 develop(intx, ProfilerNodeSize, 1024, \ | |
| 3071 "Size in K to allocate for the Profile Nodes of each thread") \ | |
| 3072 \ | |
| 3073 develop(intx, V8AtomicOperationUnderLockSpinCount, 50, \ | |
| 3074 "Number of times to spin wait on a v8 atomic operation lock") \ | |
| 3075 \ | |
| 3076 product(intx, ReadSpinIterations, 100, \ | |
| 3077 "Number of read attempts before a yield (spin inner loop)") \ | |
| 3078 \ | |
| 3079 product_pd(intx, PreInflateSpin, \ | |
| 3080 "Number of times to spin wait before inflation") \ | |
| 3081 \ | |
| 3082 product(intx, PreBlockSpin, 10, \ | |
| 3083 "Number of times to spin in an inflated lock before going to " \ | |
| 3084 "an OS lock") \ | |
| 3085 \ | |
| 3086 /* gc parameters */ \ | |
| 1064 | 3087 product(uintx, InitialHeapSize, 0, \ |
| 3088 "Initial heap size (in bytes); zero means OldSize + NewSize") \ | |
| 3089 \ | |
| 3090 product(uintx, MaxHeapSize, ScaleForWordSize(96*M), \ | |
| 3091 "Maximum heap size (in bytes)") \ | |
| 3092 \ | |
| 3093 product(uintx, OldSize, ScaleForWordSize(4*M), \ | |
| 3094 "Initial tenured generation size (in bytes)") \ | |
| 3095 \ | |
|
1287
8911d8c0596f
6923123: Hotspot refuses to start when -Xmx4m or -Xms4m is specified
phh
parents:
1211
diff
changeset
|
3096 product(uintx, NewSize, ScaleForWordSize(1*M), \ |
| 1064 | 3097 "Initial new generation size (in bytes)") \ |
| 0 | 3098 \ |
| 3099 product(uintx, MaxNewSize, max_uintx, \ | |
| 1064 | 3100 "Maximum new generation size (in bytes), max_uintx means set " \ |
| 3101 "ergonomically") \ | |
| 0 | 3102 \ |
| 3103 product(uintx, PretenureSizeThreshold, 0, \ | |
| 1064 | 3104 "Maximum size in bytes of objects allocated in DefNew " \ |
| 3105 "generation; zero means no maximum") \ | |
| 3106 \ | |
| 3107 product(uintx, TLABSize, 0, \ | |
| 3108 "Starting TLAB size (in bytes); zero means set ergonomically") \ | |
| 0 | 3109 \ |
| 3110 product(uintx, MinTLABSize, 2*K, \ | |
| 3111 "Minimum allowed TLAB size (in bytes)") \ | |
| 3112 \ | |
| 3113 product(uintx, TLABAllocationWeight, 35, \ | |
| 3114 "Allocation averaging weight") \ | |
| 3115 \ | |
| 3116 product(uintx, TLABWasteTargetPercent, 1, \ | |
| 3117 "Percentage of Eden that can be wasted") \ | |
| 3118 \ | |
| 3119 product(uintx, TLABRefillWasteFraction, 64, \ | |
| 3120 "Max TLAB waste at a refill (internal fragmentation)") \ | |
| 3121 \ | |
| 3122 product(uintx, TLABWasteIncrement, 4, \ | |
| 3123 "Increment allowed waste at slow allocation") \ | |
| 3124 \ | |
| 1064 | 3125 product(intx, SurvivorRatio, 8, \ |
| 0 | 3126 "Ratio of eden/survivor space size") \ |
| 3127 \ | |
| 1064 | 3128 product(intx, NewRatio, 2, \ |
| 0 | 3129 "Ratio of new/old generation sizes") \ |
| 3130 \ | |
| 3131 product_pd(uintx, NewSizeThreadIncrease, \ | |
| 3132 "Additional size added to desired new generation size per " \ | |
| 3133 "non-daemon thread (in bytes)") \ | |
| 3134 \ | |
| 3135 product_pd(uintx, PermSize, \ | |
| 1064 | 3136 "Initial size of permanent generation (in bytes)") \ |
| 0 | 3137 \ |
| 3138 product_pd(uintx, MaxPermSize, \ | |
| 3139 "Maximum size of permanent generation (in bytes)") \ | |
| 3140 \ | |
| 3141 product(uintx, MinHeapFreeRatio, 40, \ | |
| 3142 "Min percentage of heap free after GC to avoid expansion") \ | |
| 3143 \ | |
| 3144 product(uintx, MaxHeapFreeRatio, 70, \ | |
| 3145 "Max percentage of heap free after GC to avoid shrinking") \ | |
| 3146 \ | |
| 3147 product(intx, SoftRefLRUPolicyMSPerMB, 1000, \ | |
| 3148 "Number of milliseconds per MB of free space in the heap") \ | |
| 3149 \ | |
| 3150 product(uintx, MinHeapDeltaBytes, ScaleForWordSize(128*K), \ | |
| 3151 "Min change in heap space due to GC (in bytes)") \ | |
| 3152 \ | |
| 3153 product(uintx, MinPermHeapExpansion, ScaleForWordSize(256*K), \ | |
| 3154 "Min expansion of permanent heap (in bytes)") \ | |
| 3155 \ | |
| 3156 product(uintx, MaxPermHeapExpansion, ScaleForWordSize(4*M), \ | |
| 3157 "Max expansion of permanent heap without full GC (in bytes)") \ | |
| 3158 \ | |
| 3159 product(intx, QueuedAllocationWarningCount, 0, \ | |
| 3160 "Number of times an allocation that queues behind a GC " \ | |
| 3161 "will retry before printing a warning") \ | |
| 3162 \ | |
| 3163 diagnostic(uintx, VerifyGCStartAt, 0, \ | |
| 3164 "GC invoke count where +VerifyBefore/AfterGC kicks in") \ | |
| 3165 \ | |
| 3166 diagnostic(intx, VerifyGCLevel, 0, \ | |
| 3167 "Generation level at which to start +VerifyBefore/AfterGC") \ | |
| 3168 \ | |
| 3169 develop(uintx, ExitAfterGCNum, 0, \ | |
| 3170 "If non-zero, exit after this GC.") \ | |
| 3171 \ | |
| 3172 product(intx, MaxTenuringThreshold, 15, \ | |
| 3173 "Maximum value for tenuring threshold") \ | |
| 3174 \ | |
| 3175 product(intx, InitialTenuringThreshold, 7, \ | |
| 3176 "Initial value for tenuring threshold") \ | |
| 3177 \ | |
| 3178 product(intx, TargetSurvivorRatio, 50, \ | |
| 3179 "Desired percentage of survivor space used after scavenge") \ | |
| 3180 \ | |
| 438 | 3181 product(uintx, MarkSweepDeadRatio, 5, \ |
| 0 | 3182 "Percentage (0-100) of the old gen allowed as dead wood." \ |
| 3183 "Serial mark sweep treats this as both the min and max value." \ | |
| 3184 "CMS uses this value only if it falls back to mark sweep." \ | |
| 3185 "Par compact uses a variable scale based on the density of the" \ | |
| 3186 "generation and treats this as the max value when the heap is" \ | |
| 3187 "either completely full or completely empty. Par compact also" \ | |
| 3188 "has a smaller default value; see arguments.cpp.") \ | |
| 3189 \ | |
| 438 | 3190 product(uintx, PermMarkSweepDeadRatio, 20, \ |
| 0 | 3191 "Percentage (0-100) of the perm gen allowed as dead wood." \ |
| 3192 "See MarkSweepDeadRatio for collector-specific comments.") \ | |
| 3193 \ | |
| 3194 product(intx, MarkSweepAlwaysCompactCount, 4, \ | |
| 3195 "How often should we fully compact the heap (ignoring the dead " \ | |
| 3196 "space parameters)") \ | |
| 3197 \ | |
| 3198 product(intx, PrintCMSStatistics, 0, \ | |
| 3199 "Statistics for CMS") \ | |
| 3200 \ | |
| 3201 product(bool, PrintCMSInitiationStatistics, false, \ | |
| 3202 "Statistics for initiating a CMS collection") \ | |
| 3203 \ | |
| 3204 product(intx, PrintFLSStatistics, 0, \ | |
| 3205 "Statistics for CMS' FreeListSpace") \ | |
| 3206 \ | |
| 3207 product(intx, PrintFLSCensus, 0, \ | |
| 3208 "Census for CMS' FreeListSpace") \ | |
| 3209 \ | |
| 3210 develop(uintx, GCExpandToAllocateDelayMillis, 0, \ | |
| 3211 "Delay in ms between expansion and allocation") \ | |
| 3212 \ | |
| 3213 product(intx, DeferThrSuspendLoopCount, 4000, \ | |
| 3214 "(Unstable) Number of times to iterate in safepoint loop " \ | |
| 3215 " before blocking VM threads ") \ | |
| 3216 \ | |
| 3217 product(intx, DeferPollingPageLoopCount, -1, \ | |
| 3218 "(Unsafe,Unstable) Number of iterations in safepoint loop " \ | |
| 3219 "before changing safepoint polling page to RO ") \ | |
| 3220 \ | |
| 3221 product(intx, SafepointSpinBeforeYield, 2000, "(Unstable)") \ | |
| 3222 \ | |
| 3223 product(bool, PSChunkLargeArrays, true, \ | |
| 3224 "true: process large arrays in chunks") \ | |
| 3225 \ | |
| 3226 product(uintx, GCDrainStackTargetSize, 64, \ | |
| 3227 "how many entries we'll try to leave on the stack during " \ | |
| 3228 "parallel GC") \ | |
| 3229 \ | |
| 3230 /* stack parameters */ \ | |
| 3231 product_pd(intx, StackYellowPages, \ | |
| 3232 "Number of yellow zone (recoverable overflows) pages") \ | |
| 3233 \ | |
| 3234 product_pd(intx, StackRedPages, \ | |
| 3235 "Number of red zone (unrecoverable overflows) pages") \ | |
| 3236 \ | |
| 3237 product_pd(intx, StackShadowPages, \ | |
| 3238 "Number of shadow zone (for overflow checking) pages" \ | |
| 3239 " this should exceed the depth of the VM and native call stack") \ | |
| 3240 \ | |
| 3241 product_pd(intx, ThreadStackSize, \ | |
| 3242 "Thread Stack Size (in Kbytes)") \ | |
| 3243 \ | |
| 3244 product_pd(intx, VMThreadStackSize, \ | |
| 3245 "Non-Java Thread Stack Size (in Kbytes)") \ | |
| 3246 \ | |
| 3247 product_pd(intx, CompilerThreadStackSize, \ | |
| 3248 "Compiler Thread Stack Size (in Kbytes)") \ | |
| 3249 \ | |
| 3250 develop_pd(uintx, JVMInvokeMethodSlack, \ | |
| 3251 "Stack space (bytes) required for JVM_InvokeMethod to complete") \ | |
| 3252 \ | |
| 3253 product(uintx, ThreadSafetyMargin, 50*M, \ | |
| 3254 "Thread safety margin is used on fixed-stack LinuxThreads (on " \ | |
| 3255 "Linux/x86 only) to prevent heap-stack collision. Set to 0 to " \ | |
| 3256 "disable this feature") \ | |
| 3257 \ | |
| 3258 /* code cache parameters */ \ | |
| 3259 develop(uintx, CodeCacheSegmentSize, 64, \ | |
| 3260 "Code cache segment size (in bytes) - smallest unit of " \ | |
| 3261 "allocation") \ | |
| 3262 \ | |
| 3263 develop_pd(intx, CodeEntryAlignment, \ | |
| 3264 "Code entry alignment for generated code (in bytes)") \ | |
| 3265 \ | |
| 1365 | 3266 product_pd(intx, OptoLoopAlignment, \ |
| 3267 "Align inner loops to zero relative to this modulus") \ | |
| 3268 \ | |
| 0 | 3269 product_pd(uintx, InitialCodeCacheSize, \ |
| 3270 "Initial code cache size (in bytes)") \ | |
| 3271 \ | |
| 3272 product_pd(uintx, ReservedCodeCacheSize, \ | |
| 3273 "Reserved code cache size (in bytes) - maximum code cache size") \ | |
| 3274 \ | |
| 3275 product(uintx, CodeCacheMinimumFreeSpace, 500*K, \ | |
| 3276 "When less than X space left, we stop compiling.") \ | |
| 3277 \ | |
| 3278 product_pd(uintx, CodeCacheExpansionSize, \ | |
| 3279 "Code cache expansion size (in bytes)") \ | |
| 3280 \ | |
| 3281 develop_pd(uintx, CodeCacheMinBlockLength, \ | |
| 3282 "Minimum number of segments in a code cache block.") \ | |
| 3283 \ | |
| 3284 notproduct(bool, ExitOnFullCodeCache, false, \ | |
| 3285 "Exit the VM if we fill the code cache.") \ | |
| 3286 \ | |
| 1202 | 3287 product(bool, UseCodeCacheFlushing, false, \ |
| 3288 "Attempt to clean the code cache before shutting off compiler") \ | |
| 3289 \ | |
| 3290 product(intx, MinCodeCacheFlushingInterval, 30, \ | |
| 3291 "Min number of seconds between code cache cleaning sessions") \ | |
| 3292 \ | |
| 3293 product(uintx, CodeCacheFlushingMinimumFreeSpace, 1500*K, \ | |
| 3294 "When less than X space left, start code cache cleaning") \ | |
| 3295 \ | |
| 0 | 3296 /* interpreter debugging */ \ |
| 3297 develop(intx, BinarySwitchThreshold, 5, \ | |
| 3298 "Minimal number of lookupswitch entries for rewriting to binary " \ | |
| 3299 "switch") \ | |
| 3300 \ | |
| 3301 develop(intx, StopInterpreterAt, 0, \ | |
| 3302 "Stops interpreter execution at specified bytecode number") \ | |
| 3303 \ | |
| 3304 develop(intx, TraceBytecodesAt, 0, \ | |
| 3305 "Traces bytecodes starting with specified bytecode number") \ | |
| 3306 \ | |
| 3307 /* compiler interface */ \ | |
| 3308 develop(intx, CIStart, 0, \ | |
| 3309 "the id of the first compilation to permit") \ | |
| 3310 \ | |
| 3311 develop(intx, CIStop, -1, \ | |
| 3312 "the id of the last compilation to permit") \ | |
| 3313 \ | |
| 3314 develop(intx, CIStartOSR, 0, \ | |
| 3315 "the id of the first osr compilation to permit " \ | |
| 3316 "(CICountOSR must be on)") \ | |
| 3317 \ | |
| 3318 develop(intx, CIStopOSR, -1, \ | |
| 3319 "the id of the last osr compilation to permit " \ | |
| 3320 "(CICountOSR must be on)") \ | |
| 3321 \ | |
| 3322 develop(intx, CIBreakAtOSR, -1, \ | |
| 3323 "id of osr compilation to break at") \ | |
| 3324 \ | |
| 3325 develop(intx, CIBreakAt, -1, \ | |
| 3326 "id of compilation to break at") \ | |
| 3327 \ | |
| 3328 product(ccstrlist, CompileOnly, "", \ | |
| 3329 "List of methods (pkg/class.name) to restrict compilation to") \ | |
| 3330 \ | |
| 3331 product(ccstr, CompileCommandFile, NULL, \ | |
| 3332 "Read compiler commands from this file [.hotspot_compiler]") \ | |
| 3333 \ | |
| 3334 product(ccstrlist, CompileCommand, "", \ | |
| 3335 "Prepend to .hotspot_compiler; e.g. log,java/lang/String.<init>") \ | |
| 3336 \ | |
| 3337 product(bool, CICompilerCountPerCPU, false, \ | |
| 3338 "1 compiler thread for log(N CPUs)") \ | |
| 3339 \ | |
| 3340 develop(intx, CIFireOOMAt, -1, \ | |
| 3341 "Fire OutOfMemoryErrors throughout CI for testing the compiler " \ | |
| 3342 "(non-negative value throws OOM after this many CI accesses " \ | |
| 3343 "in each compile)") \ | |
| 3344 \ | |
| 3345 develop(intx, CIFireOOMAtDelay, -1, \ | |
| 3346 "Wait for this many CI accesses to occur in all compiles before " \ | |
| 3347 "beginning to throw OutOfMemoryErrors in each compile") \ | |
| 3348 \ | |
|
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|
3349 notproduct(bool, CIObjectFactoryVerify, false, \ |
|
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diff
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|
3350 "enable potentially expensive verification in ciObjectFactory") \ |
|
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|
3351 \ |
| 0 | 3352 /* Priorities */ \ |
| 3353 product_pd(bool, UseThreadPriorities, "Use native thread priorities") \ | |
| 3354 \ | |
| 3355 product(intx, ThreadPriorityPolicy, 0, \ | |
| 3356 "0 : Normal. "\ | |
| 3357 " VM chooses priorities that are appropriate for normal "\ | |
| 3358 " applications. On Solaris NORM_PRIORITY and above are mapped "\ | |
| 3359 " to normal native priority. Java priorities below NORM_PRIORITY"\ | |
| 3360 " map to lower native priority values. On Windows applications"\ | |
| 3361 " are allowed to use higher native priorities. However, with "\ | |
| 3362 " ThreadPriorityPolicy=0, VM will not use the highest possible"\ | |
| 3363 " native priority, THREAD_PRIORITY_TIME_CRITICAL, as it may "\ | |
| 3364 " interfere with system threads. On Linux thread priorities "\ | |
| 3365 " are ignored because the OS does not support static priority "\ | |
| 3366 " in SCHED_OTHER scheduling class which is the only choice for"\ | |
| 3367 " non-root, non-realtime applications. "\ | |
| 3368 "1 : Aggressive. "\ | |
| 3369 " Java thread priorities map over to the entire range of "\ | |
| 3370 " native thread priorities. Higher Java thread priorities map "\ | |
| 3371 " to higher native thread priorities. This policy should be "\ | |
| 3372 " used with care, as sometimes it can cause performance "\ | |
| 3373 " degradation in the application and/or the entire system. On "\ | |
| 3374 " Linux this policy requires root privilege.") \ | |
| 3375 \ | |
| 3376 product(bool, ThreadPriorityVerbose, false, \ | |
| 3377 "print priority changes") \ | |
| 3378 \ | |
| 3379 product(intx, DefaultThreadPriority, -1, \ | |
| 3380 "what native priority threads run at if not specified elsewhere (-1 means no change)") \ | |
| 3381 \ | |
| 3382 product(intx, CompilerThreadPriority, -1, \ | |
| 3383 "what priority should compiler threads run at (-1 means no change)") \ | |
| 3384 \ | |
| 3385 product(intx, VMThreadPriority, -1, \ | |
| 3386 "what priority should VM threads run at (-1 means no change)") \ | |
| 3387 \ | |
| 3388 product(bool, CompilerThreadHintNoPreempt, true, \ | |
| 3389 "(Solaris only) Give compiler threads an extra quanta") \ | |
| 3390 \ | |
| 3391 product(bool, VMThreadHintNoPreempt, false, \ | |
| 3392 "(Solaris only) Give VM thread an extra quanta") \ | |
| 3393 \ | |
| 3394 product(intx, JavaPriority1_To_OSPriority, -1, "Map Java priorities to OS priorities") \ | |
| 3395 product(intx, JavaPriority2_To_OSPriority, -1, "Map Java priorities to OS priorities") \ | |
| 3396 product(intx, JavaPriority3_To_OSPriority, -1, "Map Java priorities to OS priorities") \ | |
| 3397 product(intx, JavaPriority4_To_OSPriority, -1, "Map Java priorities to OS priorities") \ | |
| 3398 product(intx, JavaPriority5_To_OSPriority, -1, "Map Java priorities to OS priorities") \ | |
| 3399 product(intx, JavaPriority6_To_OSPriority, -1, "Map Java priorities to OS priorities") \ | |
| 3400 product(intx, JavaPriority7_To_OSPriority, -1, "Map Java priorities to OS priorities") \ | |
| 3401 product(intx, JavaPriority8_To_OSPriority, -1, "Map Java priorities to OS priorities") \ | |
| 3402 product(intx, JavaPriority9_To_OSPriority, -1, "Map Java priorities to OS priorities") \ | |
| 3403 product(intx, JavaPriority10_To_OSPriority,-1, "Map Java priorities to OS priorities") \ | |
| 3404 \ | |
| 3405 /* compiler debugging */ \ | |
| 3406 notproduct(intx, CompileTheWorldStartAt, 1, \ | |
| 3407 "First class to consider when using +CompileTheWorld") \ | |
| 3408 \ | |
| 3409 notproduct(intx, CompileTheWorldStopAt, max_jint, \ | |
| 3410 "Last class to consider when using +CompileTheWorld") \ | |
| 3411 \ | |
| 3412 develop(intx, NewCodeParameter, 0, \ | |
| 3413 "Testing Only: Create a dedicated integer parameter before " \ | |
| 3414 "putback") \ | |
| 3415 \ | |
| 3416 /* new oopmap storage allocation */ \ | |
| 3417 develop(intx, MinOopMapAllocation, 8, \ | |
| 3418 "Minimum number of OopMap entries in an OopMapSet") \ | |
| 3419 \ | |
| 3420 /* Background Compilation */ \ | |
| 3421 develop(intx, LongCompileThreshold, 50, \ | |
| 3422 "Used with +TraceLongCompiles") \ | |
| 3423 \ | |
| 3424 product(intx, StarvationMonitorInterval, 200, \ | |
| 3425 "Pause between each check in ms") \ | |
| 3426 \ | |
| 3427 /* recompilation */ \ | |
| 3428 product_pd(intx, CompileThreshold, \ | |
| 3429 "number of interpreted method invocations before (re-)compiling") \ | |
| 3430 \ | |
| 3431 product_pd(intx, BackEdgeThreshold, \ | |
| 3432 "Interpreter Back edge threshold at which an OSR compilation is invoked")\ | |
| 3433 \ | |
| 1783 | 3434 product(intx, Tier0InvokeNotifyFreqLog, 7, \ |
| 3435 "Interpreter (tier 0) invocation notification frequency.") \ | |
| 3436 \ | |
| 3437 product(intx, Tier2InvokeNotifyFreqLog, 11, \ | |
| 3438 "C1 without MDO (tier 2) invocation notification frequency.") \ | |
| 3439 \ | |
| 3440 product(intx, Tier3InvokeNotifyFreqLog, 10, \ | |
| 3441 "C1 with MDO profiling (tier 3) invocation notification " \ | |
| 3442 "frequency.") \ | |
| 3443 \ | |
| 3444 product(intx, Tier0BackedgeNotifyFreqLog, 10, \ | |
| 3445 "Interpreter (tier 0) invocation notification frequency.") \ | |
| 3446 \ | |
| 3447 product(intx, Tier2BackedgeNotifyFreqLog, 14, \ | |
| 3448 "C1 without MDO (tier 2) invocation notification frequency.") \ | |
| 3449 \ | |
| 3450 product(intx, Tier3BackedgeNotifyFreqLog, 13, \ | |
| 3451 "C1 with MDO profiling (tier 3) invocation notification " \ | |
| 3452 "frequency.") \ | |
| 3453 \ | |
| 3454 product(intx, Tier2CompileThreshold, 0, \ | |
| 3455 "threshold at which tier 2 compilation is invoked") \ | |
| 3456 \ | |
| 3457 product(intx, Tier2BackEdgeThreshold, 0, \ | |
| 3458 "Back edge threshold at which tier 2 compilation is invoked") \ | |
| 3459 \ | |
| 3460 product(intx, Tier3InvocationThreshold, 200, \ | |
| 3461 "Compile if number of method invocations crosses this " \ | |
| 3462 "threshold") \ | |
| 3463 \ | |
| 3464 product(intx, Tier3MinInvocationThreshold, 100, \ | |
| 3465 "Minimum invocation to compile at tier 3") \ | |
| 3466 \ | |
| 3467 product(intx, Tier3CompileThreshold, 2000, \ | |
| 3468 "Threshold at which tier 3 compilation is invoked (invocation " \ | |
| 3469 "minimum must be satisfied.") \ | |
| 3470 \ | |
| 3471 product(intx, Tier3BackEdgeThreshold, 7000, \ | |
| 3472 "Back edge threshold at which tier 3 OSR compilation is invoked") \ | |
| 3473 \ | |
| 3474 product(intx, Tier4InvocationThreshold, 5000, \ | |
| 3475 "Compile if number of method invocations crosses this " \ | |
| 3476 "threshold") \ | |
| 3477 \ | |
| 3478 product(intx, Tier4MinInvocationThreshold, 600, \ | |
| 3479 "Minimum invocation to compile at tier 4") \ | |
| 3480 \ | |
| 3481 product(intx, Tier4CompileThreshold, 15000, \ | |
| 3482 "Threshold at which tier 4 compilation is invoked (invocation " \ | |
| 3483 "minimum must be satisfied.") \ | |
| 3484 \ | |
| 3485 product(intx, Tier4BackEdgeThreshold, 40000, \ | |
| 3486 "Back edge threshold at which tier 4 OSR compilation is invoked") \ | |
| 3487 \ | |
| 3488 product(intx, Tier3DelayOn, 5, \ | |
| 3489 "If C2 queue size grows over this amount per compiler thread " \ | |
| 3490 "stop compiling at tier 3 and start compiling at tier 2") \ | |
| 3491 \ | |
| 3492 product(intx, Tier3DelayOff, 2, \ | |
| 3493 "If C2 queue size is less than this amount per compiler thread " \ | |
| 3494 "allow methods compiled at tier 2 transition to tier 3") \ | |
| 3495 \ | |
| 3496 product(intx, Tier3LoadFeedback, 5, \ | |
| 3497 "Tier 3 thresholds will increase twofold when C1 queue size " \ | |
| 3498 "reaches this amount per compiler thread") \ | |
| 3499 \ | |
| 3500 product(intx, Tier4LoadFeedback, 3, \ | |
| 3501 "Tier 4 thresholds will increase twofold when C2 queue size " \ | |
| 3502 "reaches this amount per compiler thread") \ | |
| 3503 \ | |
| 3504 product(intx, TieredCompileTaskTimeout, 50, \ | |
| 3505 "Kill compile task if method was not used within " \ | |
| 3506 "given timeout in milliseconds") \ | |
| 3507 \ | |
| 3508 product(intx, TieredStopAtLevel, 4, \ | |
| 3509 "Stop at given compilation level") \ | |
| 3510 \ | |
| 3511 product(intx, Tier0ProfilingStartPercentage, 200, \ | |
| 3512 "Start profiling in interpreter if the counters exceed tier 3" \ | |
| 3513 "thresholds by the specified percentage") \ | |
| 3514 \ | |
| 3515 product(intx, TieredRateUpdateMinTime, 1, \ | |
| 3516 "Minimum rate sampling interval (in milliseconds)") \ | |
| 3517 \ | |
| 3518 product(intx, TieredRateUpdateMaxTime, 25, \ | |
| 3519 "Maximum rate sampling interval (in milliseconds)") \ | |
| 0 | 3520 \ |
| 3521 product_pd(bool, TieredCompilation, \ | |
| 1783 | 3522 "Enable tiered compilation") \ |
| 3523 \ | |
| 3524 product(bool, PrintTieredEvents, false, \ | |
| 3525 "Print tiered events notifications") \ | |
| 0 | 3526 \ |
| 3527 product(bool, StressTieredRuntime, false, \ | |
| 3528 "Alternate client and server compiler on compile requests") \ | |
| 3529 \ | |
| 3530 product_pd(intx, OnStackReplacePercentage, \ | |
| 3531 "NON_TIERED number of method invocations/branches (expressed as %"\ | |
| 3532 "of CompileThreshold) before (re-)compiling OSR code") \ | |
| 3533 \ | |
| 3534 product(intx, InterpreterProfilePercentage, 33, \ | |
| 3535 "NON_TIERED number of method invocations/branches (expressed as %"\ | |
| 3536 "of CompileThreshold) before profiling in the interpreter") \ | |
| 3537 \ | |
| 3538 develop(intx, MaxRecompilationSearchLength, 10, \ | |
| 3539 "max. # frames to inspect searching for recompilee") \ | |
| 3540 \ | |
| 3541 develop(intx, MaxInterpretedSearchLength, 3, \ | |
| 3542 "max. # interp. frames to skip when searching for recompilee") \ | |
| 3543 \ | |
| 3544 develop(intx, DesiredMethodLimit, 8000, \ | |
| 3545 "desired max. method size (in bytecodes) after inlining") \ | |
| 3546 \ | |
| 3547 develop(intx, HugeMethodLimit, 8000, \ | |
| 3548 "don't compile methods larger than this if " \ | |
| 3549 "+DontCompileHugeMethods") \ | |
| 3550 \ | |
| 3551 /* New JDK 1.4 reflection implementation */ \ | |
| 3552 \ | |
| 3553 develop(bool, UseNewReflection, true, \ | |
| 3554 "Temporary flag for transition to reflection based on dynamic " \ | |
| 3555 "bytecode generation in 1.4; can no longer be turned off in 1.4 " \ | |
| 3556 "JDK, and is unneeded in 1.3 JDK, but marks most places VM " \ | |
| 3557 "changes were needed") \ | |
| 3558 \ | |
| 3559 develop(bool, VerifyReflectionBytecodes, false, \ | |
| 3560 "Force verification of 1.4 reflection bytecodes. Does not work " \ | |
| 3561 "in situations like that described in 4486457 or for " \ | |
| 3562 "constructors generated for serialization, so can not be enabled "\ | |
| 3563 "in product.") \ | |
| 3564 \ | |
| 3565 product(bool, ReflectionWrapResolutionErrors, true, \ | |
| 3566 "Temporary flag for transition to AbstractMethodError wrapped " \ | |
| 3567 "in InvocationTargetException. See 6531596") \ | |
| 3568 \ | |
| 3569 \ | |
| 3570 develop(intx, FastSuperclassLimit, 8, \ | |
| 3571 "Depth of hardwired instanceof accelerator array") \ | |
| 3572 \ | |
| 3573 /* Properties for Java libraries */ \ | |
| 3574 \ | |
| 3575 product(intx, MaxDirectMemorySize, -1, \ | |
| 3576 "Maximum total size of NIO direct-buffer allocations") \ | |
| 3577 \ | |
| 3578 /* temporary developer defined flags */ \ | |
| 3579 \ | |
| 3580 diagnostic(bool, UseNewCode, false, \ | |
| 3581 "Testing Only: Use the new version while testing") \ | |
| 3582 \ | |
| 3583 diagnostic(bool, UseNewCode2, false, \ | |
| 3584 "Testing Only: Use the new version while testing") \ | |
| 3585 \ | |
| 3586 diagnostic(bool, UseNewCode3, false, \ | |
| 3587 "Testing Only: Use the new version while testing") \ | |
| 3588 \ | |
| 3589 /* flags for performance data collection */ \ | |
| 3590 \ | |
|
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3591 NOT_EMBEDDED(product(bool, UsePerfData, true, \ |
| 0 | 3592 "Flag to disable jvmstat instrumentation for performance testing" \ |
|
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3593 "and problem isolation purposes.")) \ |
|
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|
3594 \ |
|
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|
3595 EMBEDDED_ONLY(product(bool, UsePerfData, false, \ |
|
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3596 "Flag to disable jvmstat instrumentation for performance testing" \ |
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|
3597 "and problem isolation purposes.")) \ |
| 0 | 3598 \ |
| 3599 product(bool, PerfDataSaveToFile, false, \ | |
| 3600 "Save PerfData memory to hsperfdata_<pid> file on exit") \ | |
| 3601 \ | |
| 3602 product(ccstr, PerfDataSaveFile, NULL, \ | |
| 3603 "Save PerfData memory to the specified absolute pathname," \ | |
| 3604 "%p in the file name if present will be replaced by pid") \ | |
| 3605 \ | |
| 3606 product(intx, PerfDataSamplingInterval, 50 /*ms*/, \ | |
| 3607 "Data sampling interval in milliseconds") \ | |
| 3608 \ | |
| 3609 develop(bool, PerfTraceDataCreation, false, \ | |
| 3610 "Trace creation of Performance Data Entries") \ | |
| 3611 \ | |
| 3612 develop(bool, PerfTraceMemOps, false, \ | |
| 3613 "Trace PerfMemory create/attach/detach calls") \ | |
| 3614 \ | |
| 3615 product(bool, PerfDisableSharedMem, false, \ | |
| 3616 "Store performance data in standard memory") \ | |
| 3617 \ | |
| 3618 product(intx, PerfDataMemorySize, 32*K, \ | |
| 3619 "Size of performance data memory region. Will be rounded " \ | |
| 3620 "up to a multiple of the native os page size.") \ | |
| 3621 \ | |
| 3622 product(intx, PerfMaxStringConstLength, 1024, \ | |
| 3623 "Maximum PerfStringConstant string length before truncation") \ | |
| 3624 \ | |
| 3625 product(bool, PerfAllowAtExitRegistration, false, \ | |
| 3626 "Allow registration of atexit() methods") \ | |
| 3627 \ | |
| 3628 product(bool, PerfBypassFileSystemCheck, false, \ | |
| 3629 "Bypass Win32 file system criteria checks (Windows Only)") \ | |
| 3630 \ | |
| 3631 product(intx, UnguardOnExecutionViolation, 0, \ | |
| 3632 "Unguard page and retry on no-execute fault (Win32 only)" \ | |
| 3633 "0=off, 1=conservative, 2=aggressive") \ | |
| 3634 \ | |
| 3635 /* Serviceability Support */ \ | |
| 3636 \ | |
| 3637 product(bool, ManagementServer, false, \ | |
| 3638 "Create JMX Management Server") \ | |
| 3639 \ | |
| 3640 product(bool, DisableAttachMechanism, false, \ | |
| 3641 "Disable mechanism that allows tools to attach to this VM") \ | |
| 3642 \ | |
| 3643 product(bool, StartAttachListener, false, \ | |
| 3644 "Always start Attach Listener at VM startup") \ | |
| 3645 \ | |
| 3646 manageable(bool, PrintConcurrentLocks, false, \ | |
| 3647 "Print java.util.concurrent locks in thread dump") \ | |
| 3648 \ | |
|
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3649 product(bool, TransmitErrorReport, false, \ |
|
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3650 "Enable error report transmission on erroneous termination") \ |
|
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|
3651 \ |
|
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|
3652 product(ccstr, ErrorReportServer, NULL, \ |
|
2199
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3653 "Override built-in error report server address") \ |
|
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|
3654 \ |
| 0 | 3655 /* Shared spaces */ \ |
| 3656 \ | |
| 3657 product(bool, UseSharedSpaces, true, \ | |
| 3658 "Use shared spaces in the permanent generation") \ | |
| 3659 \ | |
| 3660 product(bool, RequireSharedSpaces, false, \ | |
| 3661 "Require shared spaces in the permanent generation") \ | |
| 3662 \ | |
| 3663 product(bool, DumpSharedSpaces, false, \ | |
| 3664 "Special mode: JVM reads a class list, loads classes, builds " \ | |
| 3665 "shared spaces, and dumps the shared spaces to a file to be " \ | |
| 3666 "used in future JVM runs.") \ | |
| 3667 \ | |
| 3668 product(bool, PrintSharedSpaces, false, \ | |
| 3669 "Print usage of shared spaces") \ | |
| 3670 \ | |
| 3671 product(uintx, SharedDummyBlockSize, 512*M, \ | |
| 3672 "Size of dummy block used to shift heap addresses (in bytes)") \ | |
| 3673 \ | |
| 1875 | 3674 product(uintx, SharedReadWriteSize, NOT_LP64(12*M) LP64_ONLY(13*M), \ |
| 0 | 3675 "Size of read-write space in permanent generation (in bytes)") \ |
| 3676 \ | |
|
910
10d8c0d0d60e
6867645: java -Xshare:dump failed - read only space too small
jcoomes
parents:
909
diff
changeset
|
3677 product(uintx, SharedReadOnlySize, 10*M, \ |
| 0 | 3678 "Size of read-only space in permanent generation (in bytes)") \ |
| 3679 \ | |
|
2242
6e70f1bb7f6f
7019557: SharedMiscDataSize too small for 64-bit fastdebug JVM
coleenp
parents:
2204
diff
changeset
|
3680 product(uintx, SharedMiscDataSize, NOT_LP64(4*M) LP64_ONLY(5*M), \ |
| 0 | 3681 "Size of the shared data area adjacent to the heap (in bytes)") \ |
| 3682 \ | |
| 3683 product(uintx, SharedMiscCodeSize, 4*M, \ | |
| 3684 "Size of the shared code area adjacent to the heap (in bytes)") \ | |
| 3685 \ | |
| 3686 diagnostic(bool, SharedOptimizeColdStart, true, \ | |
| 3687 "At dump time, order shared objects to achieve better " \ | |
| 3688 "cold startup time.") \ | |
| 3689 \ | |
| 3690 develop(intx, SharedOptimizeColdStartPolicy, 2, \ | |
| 3691 "Reordering policy for SharedOptimizeColdStart " \ | |
| 3692 "0=favor classload-time locality, 1=balanced, " \ | |
| 3693 "2=favor runtime locality") \ | |
| 3694 \ | |
| 3695 diagnostic(bool, SharedSkipVerify, false, \ | |
| 3696 "Skip assert() and verify() which page-in unwanted shared " \ | |
| 3697 "objects. ") \ | |
| 3698 \ | |
|
2492
4e5515d09314
Fixed merge issues.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
2491
diff
changeset
|
3699 diagnostic(bool, EnableInvokeDynamic, false, \ |
|
2416
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2403
diff
changeset
|
3700 "support JSR 292 (method handles, invokedynamic, " \ |
|
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2403
diff
changeset
|
3701 "anonymous classes") \ |
|
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2403
diff
changeset
|
3702 \ |
|
431
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
406
diff
changeset
|
3703 product(bool, AnonymousClasses, false, \ |
|
2416
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2403
diff
changeset
|
3704 "support sun.misc.Unsafe.defineAnonymousClass (deprecated)") \ |
|
431
a45484ea312d
6653858: dynamic languages need to be able to load anonymous classes
jrose
parents:
406
diff
changeset
|
3705 \ |
|
905
bd2b1f617a4e
6868487: EnableInvokeDynamic and EnableMethodHandles should not be visible flags in JDK6 or JDK7
jrose
parents:
885
diff
changeset
|
3706 experimental(bool, EnableMethodHandles, false, \ |
|
2416
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2403
diff
changeset
|
3707 "support method handles (deprecated)") \ |
| 710 | 3708 \ |
| 3709 diagnostic(intx, MethodHandlePushLimit, 3, \ | |
| 3710 "number of additional stack slots a method handle may push") \ | |
| 3711 \ | |
| 3712 develop(bool, TraceMethodHandles, false, \ | |
| 3713 "trace internal method handle operations") \ | |
| 3714 \ | |
| 3715 diagnostic(bool, VerifyMethodHandles, trueInDebug, \ | |
| 3716 "perform extra checks when constructing method handles") \ | |
| 3717 \ | |
| 3718 diagnostic(bool, OptimizeMethodHandles, true, \ | |
| 3719 "when constructing method handles, try to improve them") \ | |
| 3720 \ | |
|
1173
73b22f919c34
6912065: final fields in objects need to support inlining optimizations for JSR 292
jrose
parents:
1157
diff
changeset
|
3721 experimental(bool, TrustFinalNonStaticFields, false, \ |
|
73b22f919c34
6912065: final fields in objects need to support inlining optimizations for JSR 292
jrose
parents:
1157
diff
changeset
|
3722 "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
|
3723 \ |
| 2460 | 3724 experimental(bool, AllowInvokeGeneric, true, \ |
|
2356
72dee110246f
6839872: remove implementation inheritance from JSR 292 APIs
jrose
parents:
2325
diff
changeset
|
3725 "accept MethodHandle.invoke and MethodHandle.invokeGeneric " \ |
|
72dee110246f
6839872: remove implementation inheritance from JSR 292 APIs
jrose
parents:
2325
diff
changeset
|
3726 "as equivalent methods") \ |
|
72dee110246f
6839872: remove implementation inheritance from JSR 292 APIs
jrose
parents:
2325
diff
changeset
|
3727 \ |
|
726
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
712
diff
changeset
|
3728 develop(bool, TraceInvokeDynamic, false, \ |
|
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
712
diff
changeset
|
3729 "trace internal invoke dynamic operations") \ |
|
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
712
diff
changeset
|
3730 \ |
| 0 | 3731 diagnostic(bool, PauseAtStartup, false, \ |
| 3732 "Causes the VM to pause at startup time and wait for the pause " \ | |
| 3733 "file to be removed (default: ./vm.paused.<pid>)") \ | |
| 3734 \ | |
| 3735 diagnostic(ccstr, PauseAtStartupFile, NULL, \ | |
| 3736 "The file to create and for whose removal to await when pausing " \ | |
| 3737 "at startup. (default: ./vm.paused.<pid>)") \ | |
| 3738 \ | |
|
2302
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2265
diff
changeset
|
3739 diagnostic(bool, PauseAtExit, false, \ |
|
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2265
diff
changeset
|
3740 "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
|
3741 \ |
| 0 | 3742 product(bool, ExtendedDTraceProbes, false, \ |
| 3743 "Enable performance-impacting dtrace probes") \ | |
| 3744 \ | |
| 3745 product(bool, DTraceMethodProbes, false, \ | |
| 3746 "Enable dtrace probes for method-entry and method-exit") \ | |
| 3747 \ | |
| 3748 product(bool, DTraceAllocProbes, false, \ | |
| 3749 "Enable dtrace probes for object allocation") \ | |
| 3750 \ | |
| 3751 product(bool, DTraceMonitorProbes, false, \ | |
| 3752 "Enable dtrace probes for monitor events") \ | |
| 3753 \ | |
| 3754 product(bool, RelaxAccessControlCheck, false, \ | |
| 3755 "Relax the access control checks in the verifier") \ | |
| 3756 \ | |
|
116
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3757 diagnostic(bool, PrintDTraceDOF, false, \ |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3758 "Print the DTrace DOF passed to the system for JSDT probes") \ |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3759 \ |
| 2378 | 3760 product(uintx, StringTableSize, 1009, \ |
| 3761 "Number of buckets in the interned String table") \ | |
| 3762 \ | |
|
449
171e581e8161
6554406: Change switch UseVMInterruptibleIO default to false (sol)
xlu
parents:
443
diff
changeset
|
3763 product(bool, UseVMInterruptibleIO, false, \ |
| 0 | 3764 "(Unstable, Solaris-specific) Thread interrupt before or with " \ |
|
449
171e581e8161
6554406: Change switch UseVMInterruptibleIO default to false (sol)
xlu
parents:
443
diff
changeset
|
3765 "EINTR for I/O operations results in OS_INTRPT. The default value"\ |
|
171e581e8161
6554406: Change switch UseVMInterruptibleIO default to false (sol)
xlu
parents:
443
diff
changeset
|
3766 " of this flag is true for JDK 6 and earliers") |
| 0 | 3767 |
| 3768 /* | |
| 3769 * Macros for factoring of globals | |
| 3770 */ | |
| 3771 | |
| 3772 // Interface macros | |
| 3773 #define DECLARE_PRODUCT_FLAG(type, name, value, doc) extern "C" type name; | |
| 3774 #define DECLARE_PD_PRODUCT_FLAG(type, name, doc) extern "C" type name; | |
| 3775 #define DECLARE_DIAGNOSTIC_FLAG(type, name, value, doc) extern "C" type name; | |
|
350
d28aa69f0959
6618726: Introduce -XX:+UnlockExperimentalVMOptions flag
ysr
parents:
348
diff
changeset
|
3776 #define DECLARE_EXPERIMENTAL_FLAG(type, name, value, doc) extern "C" type name; |
| 0 | 3777 #define DECLARE_MANAGEABLE_FLAG(type, name, value, doc) extern "C" type name; |
| 3778 #define DECLARE_PRODUCT_RW_FLAG(type, name, value, doc) extern "C" type name; | |
| 3779 #ifdef PRODUCT | |
| 3780 #define DECLARE_DEVELOPER_FLAG(type, name, value, doc) const type name = value; | |
| 3781 #define DECLARE_PD_DEVELOPER_FLAG(type, name, doc) const type name = pd_##name; | |
| 3782 #define DECLARE_NOTPRODUCT_FLAG(type, name, value, doc) | |
| 3783 #else | |
| 3784 #define DECLARE_DEVELOPER_FLAG(type, name, value, doc) extern "C" type name; | |
| 3785 #define DECLARE_PD_DEVELOPER_FLAG(type, name, doc) extern "C" type name; | |
| 3786 #define DECLARE_NOTPRODUCT_FLAG(type, name, value, doc) extern "C" type name; | |
| 3787 #endif | |
|
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
109
diff
changeset
|
3788 // 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
|
3789 #ifdef _LP64 |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
109
diff
changeset
|
3790 #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
|
3791 #else |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
109
diff
changeset
|
3792 #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
|
3793 #endif // _LP64 |
| 0 | 3794 |
| 3795 // Implementation macros | |
| 3796 #define MATERIALIZE_PRODUCT_FLAG(type, name, value, doc) type name = value; | |
| 3797 #define MATERIALIZE_PD_PRODUCT_FLAG(type, name, doc) type name = pd_##name; | |
| 3798 #define MATERIALIZE_DIAGNOSTIC_FLAG(type, name, value, doc) type name = value; | |
|
350
d28aa69f0959
6618726: Introduce -XX:+UnlockExperimentalVMOptions flag
ysr
parents:
348
diff
changeset
|
3799 #define MATERIALIZE_EXPERIMENTAL_FLAG(type, name, value, doc) type name = value; |
| 0 | 3800 #define MATERIALIZE_MANAGEABLE_FLAG(type, name, value, doc) type name = value; |
| 3801 #define MATERIALIZE_PRODUCT_RW_FLAG(type, name, value, doc) type name = value; | |
| 3802 #ifdef PRODUCT | |
| 3803 #define MATERIALIZE_DEVELOPER_FLAG(type, name, value, doc) /* flag name is constant */ | |
| 3804 #define MATERIALIZE_PD_DEVELOPER_FLAG(type, name, doc) /* flag name is constant */ | |
| 3805 #define MATERIALIZE_NOTPRODUCT_FLAG(type, name, value, doc) | |
| 3806 #else | |
| 3807 #define MATERIALIZE_DEVELOPER_FLAG(type, name, value, doc) type name = value; | |
| 3808 #define MATERIALIZE_PD_DEVELOPER_FLAG(type, name, doc) type name = pd_##name; | |
| 3809 #define MATERIALIZE_NOTPRODUCT_FLAG(type, name, value, doc) type name = value; | |
| 3810 #endif | |
|
113
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6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
109
diff
changeset
|
3811 #ifdef _LP64 |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
109
diff
changeset
|
3812 #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
|
3813 #else |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
109
diff
changeset
|
3814 #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
|
3815 #endif // _LP64 |
| 0 | 3816 |
|
350
d28aa69f0959
6618726: Introduce -XX:+UnlockExperimentalVMOptions flag
ysr
parents:
348
diff
changeset
|
3817 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 | 3818 |
| 3819 RUNTIME_OS_FLAGS(DECLARE_DEVELOPER_FLAG, DECLARE_PD_DEVELOPER_FLAG, DECLARE_PRODUCT_FLAG, DECLARE_PD_PRODUCT_FLAG, DECLARE_DIAGNOSTIC_FLAG, DECLARE_NOTPRODUCT_FLAG) | |
| 1972 | 3820 |
| 3821 #endif // SHARE_VM_RUNTIME_GLOBALS_HPP |