Mercurial > hg > graal-compiler
annotate src/share/vm/runtime/globals.hpp @ 10241:d17700c82d7d
8006088: Incompatible heap size flags accepted by VM
Summary: Make processing of minimum, initial and maximum heap size more intiutive by removing previous limitations on allowed values, and make error reporting consistent. Further, fix errors in ergonomic heap sizing.
Reviewed-by: johnc, jwilhelm, tamao
| author | tschatzl |
|---|---|
| date | Mon, 06 May 2013 17:19:42 +0200 |
| parents | 9ce110b1d14a |
| children | a9270d9ecb13 12f651e29f6b |
| rev | line source |
|---|---|
| 0 | 1 /* |
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2 * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved. |
| 0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 * | |
| 5 * This code is free software; you can redistribute it and/or modify it | |
| 6 * under the terms of the GNU General Public License version 2 only, as | |
| 7 * published by the Free Software Foundation. | |
| 8 * | |
| 9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 12 * version 2 for more details (a copy is included in the LICENSE file that | |
| 13 * accompanied this code). | |
| 14 * | |
| 15 * You should have received a copy of the GNU General Public License version | |
| 16 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 18 * | |
|
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 1972 | 25 #ifndef SHARE_VM_RUNTIME_GLOBALS_HPP |
| 26 #define SHARE_VM_RUNTIME_GLOBALS_HPP | |
| 27 | |
| 28 #include "utilities/debug.hpp" | |
| 4868 | 29 |
| 30 // use this for flags that are true per default in the tiered build | |
| 31 // but false in non-tiered builds, and vice versa | |
| 32 #ifdef TIERED | |
| 33 #define trueInTiered true | |
| 34 #define falseInTiered false | |
| 35 #else | |
| 36 #define trueInTiered false | |
| 37 #define falseInTiered true | |
| 38 #endif | |
| 39 | |
| 1972 | 40 #ifdef TARGET_ARCH_x86 |
| 41 # include "globals_x86.hpp" | |
| 42 #endif | |
| 43 #ifdef TARGET_ARCH_sparc | |
| 44 # include "globals_sparc.hpp" | |
| 45 #endif | |
| 46 #ifdef TARGET_ARCH_zero | |
| 47 # include "globals_zero.hpp" | |
| 48 #endif | |
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49 #ifdef TARGET_ARCH_arm |
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50 # include "globals_arm.hpp" |
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51 #endif |
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52 #ifdef TARGET_ARCH_ppc |
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53 # include "globals_ppc.hpp" |
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54 #endif |
| 1972 | 55 #ifdef TARGET_OS_FAMILY_linux |
| 56 # include "globals_linux.hpp" | |
| 57 #endif | |
| 58 #ifdef TARGET_OS_FAMILY_solaris | |
| 59 # include "globals_solaris.hpp" | |
| 60 #endif | |
| 61 #ifdef TARGET_OS_FAMILY_windows | |
| 62 # include "globals_windows.hpp" | |
| 63 #endif | |
| 3960 | 64 #ifdef TARGET_OS_FAMILY_bsd |
| 65 # include "globals_bsd.hpp" | |
| 66 #endif | |
| 1972 | 67 #ifdef TARGET_OS_ARCH_linux_x86 |
| 68 # include "globals_linux_x86.hpp" | |
| 69 #endif | |
| 70 #ifdef TARGET_OS_ARCH_linux_sparc | |
| 71 # include "globals_linux_sparc.hpp" | |
| 72 #endif | |
| 73 #ifdef TARGET_OS_ARCH_linux_zero | |
| 74 # include "globals_linux_zero.hpp" | |
| 75 #endif | |
| 76 #ifdef TARGET_OS_ARCH_solaris_x86 | |
| 77 # include "globals_solaris_x86.hpp" | |
| 78 #endif | |
| 79 #ifdef TARGET_OS_ARCH_solaris_sparc | |
| 80 # include "globals_solaris_sparc.hpp" | |
| 81 #endif | |
| 82 #ifdef TARGET_OS_ARCH_windows_x86 | |
| 83 # include "globals_windows_x86.hpp" | |
| 84 #endif | |
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85 #ifdef TARGET_OS_ARCH_linux_arm |
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86 # include "globals_linux_arm.hpp" |
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87 #endif |
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88 #ifdef TARGET_OS_ARCH_linux_ppc |
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89 # include "globals_linux_ppc.hpp" |
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90 #endif |
| 3960 | 91 #ifdef TARGET_OS_ARCH_bsd_x86 |
| 92 # include "globals_bsd_x86.hpp" | |
| 93 #endif | |
| 94 #ifdef TARGET_OS_ARCH_bsd_zero | |
| 95 # include "globals_bsd_zero.hpp" | |
| 96 #endif | |
| 1972 | 97 #ifdef COMPILER1 |
| 98 #ifdef TARGET_ARCH_x86 | |
| 99 # include "c1_globals_x86.hpp" | |
| 100 #endif | |
| 101 #ifdef TARGET_ARCH_sparc | |
| 102 # include "c1_globals_sparc.hpp" | |
| 103 #endif | |
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104 #ifdef TARGET_ARCH_arm |
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105 # include "c1_globals_arm.hpp" |
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106 #endif |
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107 #ifdef TARGET_ARCH_ppc |
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108 # include "c1_globals_ppc.hpp" |
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109 #endif |
| 1972 | 110 #ifdef TARGET_OS_FAMILY_linux |
| 111 # include "c1_globals_linux.hpp" | |
| 112 #endif | |
| 113 #ifdef TARGET_OS_FAMILY_solaris | |
| 114 # include "c1_globals_solaris.hpp" | |
| 115 #endif | |
| 116 #ifdef TARGET_OS_FAMILY_windows | |
| 117 # include "c1_globals_windows.hpp" | |
| 118 #endif | |
| 3960 | 119 #ifdef TARGET_OS_FAMILY_bsd |
| 120 # include "c1_globals_bsd.hpp" | |
| 121 #endif | |
| 1972 | 122 #endif |
| 123 #ifdef COMPILER2 | |
| 124 #ifdef TARGET_ARCH_x86 | |
| 125 # include "c2_globals_x86.hpp" | |
| 126 #endif | |
| 127 #ifdef TARGET_ARCH_sparc | |
| 128 # include "c2_globals_sparc.hpp" | |
| 129 #endif | |
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130 #ifdef TARGET_ARCH_arm |
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131 # include "c2_globals_arm.hpp" |
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132 #endif |
| 1972 | 133 #ifdef TARGET_OS_FAMILY_linux |
| 134 # include "c2_globals_linux.hpp" | |
| 135 #endif | |
| 136 #ifdef TARGET_OS_FAMILY_solaris | |
| 137 # include "c2_globals_solaris.hpp" | |
| 138 #endif | |
| 139 #ifdef TARGET_OS_FAMILY_windows | |
| 140 # include "c2_globals_windows.hpp" | |
| 141 #endif | |
| 3960 | 142 #ifdef TARGET_OS_FAMILY_bsd |
| 143 # include "c2_globals_bsd.hpp" | |
| 144 #endif | |
| 1972 | 145 #endif |
| 146 #ifdef SHARK | |
| 147 #ifdef TARGET_ARCH_zero | |
| 148 # include "shark_globals_zero.hpp" | |
| 149 #endif | |
| 150 #endif | |
| 151 | |
| 1692 | 152 #if !defined(COMPILER1) && !defined(COMPILER2) && !defined(SHARK) |
| 0 | 153 define_pd_global(bool, BackgroundCompilation, false); |
| 154 define_pd_global(bool, UseTLAB, false); | |
| 155 define_pd_global(bool, CICompileOSR, false); | |
| 156 define_pd_global(bool, UseTypeProfile, false); | |
| 157 define_pd_global(bool, UseOnStackReplacement, false); | |
| 158 define_pd_global(bool, InlineIntrinsics, false); | |
| 159 define_pd_global(bool, PreferInterpreterNativeStubs, true); | |
| 160 define_pd_global(bool, ProfileInterpreter, false); | |
| 161 define_pd_global(bool, ProfileTraps, false); | |
| 162 define_pd_global(bool, TieredCompilation, false); | |
| 163 | |
| 164 define_pd_global(intx, CompileThreshold, 0); | |
| 165 define_pd_global(intx, BackEdgeThreshold, 0); | |
| 166 | |
| 167 define_pd_global(intx, OnStackReplacePercentage, 0); | |
| 168 define_pd_global(bool, ResizeTLAB, false); | |
| 169 define_pd_global(intx, FreqInlineSize, 0); | |
| 1064 | 170 define_pd_global(intx, InlineSmallCode, 0); |
| 0 | 171 define_pd_global(intx, NewSizeThreadIncrease, 4*K); |
| 172 define_pd_global(intx, InlineClassNatives, true); | |
| 173 define_pd_global(intx, InlineUnsafeOps, true); | |
| 174 define_pd_global(intx, InitialCodeCacheSize, 160*K); | |
| 175 define_pd_global(intx, ReservedCodeCacheSize, 32*M); | |
| 176 define_pd_global(intx, CodeCacheExpansionSize, 32*K); | |
| 177 define_pd_global(intx, CodeCacheMinBlockLength, 1); | |
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178 define_pd_global(uintx,MetaspaceSize, ScaleForWordSize(4*M)); |
| 0 | 179 define_pd_global(bool, NeverActAsServerClassMachine, true); |
| 1064 | 180 define_pd_global(uint64_t,MaxRAM, 1ULL*G); |
| 0 | 181 #define CI_COMPILER_COUNT 0 |
| 182 #else | |
| 183 | |
| 184 #ifdef COMPILER2 | |
| 185 #define CI_COMPILER_COUNT 2 | |
| 186 #else | |
| 187 #define CI_COMPILER_COUNT 1 | |
| 188 #endif // COMPILER2 | |
| 189 | |
| 190 #endif // no compilers | |
| 191 | |
| 192 // string type aliases used only in this file | |
| 193 typedef const char* ccstr; | |
| 194 typedef const char* ccstrlist; // represents string arguments which accumulate | |
| 195 | |
| 196 enum FlagValueOrigin { | |
| 197 DEFAULT = 0, | |
| 198 COMMAND_LINE = 1, | |
| 199 ENVIRON_VAR = 2, | |
| 200 CONFIG_FILE = 3, | |
| 201 MANAGEMENT = 4, | |
| 202 ERGONOMIC = 5, | |
| 203 ATTACH_ON_DEMAND = 6, | |
| 204 INTERNAL = 99 | |
| 205 }; | |
| 206 | |
| 207 struct Flag { | |
| 208 const char *type; | |
| 209 const char *name; | |
| 210 void* addr; | |
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211 |
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212 NOT_PRODUCT(const char *doc;) |
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213 |
| 0 | 214 const char *kind; |
| 215 FlagValueOrigin origin; | |
| 216 | |
| 217 // points to all Flags static array | |
| 218 static Flag *flags; | |
| 219 | |
| 220 // number of flags | |
| 221 static size_t numFlags; | |
| 222 | |
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223 static Flag* find_flag(char* name, size_t length, bool allow_locked = false); |
| 0 | 224 |
| 225 bool is_bool() const { return strcmp(type, "bool") == 0; } | |
| 226 bool get_bool() const { return *((bool*) addr); } | |
| 227 void set_bool(bool value) { *((bool*) addr) = value; } | |
| 228 | |
| 229 bool is_intx() const { return strcmp(type, "intx") == 0; } | |
| 230 intx get_intx() const { return *((intx*) addr); } | |
| 231 void set_intx(intx value) { *((intx*) addr) = value; } | |
| 232 | |
| 233 bool is_uintx() const { return strcmp(type, "uintx") == 0; } | |
| 234 uintx get_uintx() const { return *((uintx*) addr); } | |
| 235 void set_uintx(uintx value) { *((uintx*) addr) = value; } | |
| 236 | |
| 1064 | 237 bool is_uint64_t() const { return strcmp(type, "uint64_t") == 0; } |
| 238 uint64_t get_uint64_t() const { return *((uint64_t*) addr); } | |
| 239 void set_uint64_t(uint64_t value) { *((uint64_t*) addr) = value; } | |
| 240 | |
| 0 | 241 bool is_double() const { return strcmp(type, "double") == 0; } |
| 242 double get_double() const { return *((double*) addr); } | |
| 243 void set_double(double value) { *((double*) addr) = value; } | |
| 244 | |
| 245 bool is_ccstr() const { return strcmp(type, "ccstr") == 0 || strcmp(type, "ccstrlist") == 0; } | |
| 246 bool ccstr_accumulates() const { return strcmp(type, "ccstrlist") == 0; } | |
| 247 ccstr get_ccstr() const { return *((ccstr*) addr); } | |
| 248 void set_ccstr(ccstr value) { *((ccstr*) addr) = value; } | |
| 249 | |
| 250 bool is_unlocker() const; | |
| 251 bool is_unlocked() const; | |
| 252 bool is_writeable() const; | |
| 253 bool is_external() const; | |
| 254 | |
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255 bool is_unlocker_ext() const; |
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256 bool is_unlocked_ext() const; |
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257 bool is_writeable_ext() const; |
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258 bool is_external_ext() const; |
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259 |
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260 void get_locked_message(char*, int) const; |
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261 void get_locked_message_ext(char*, int) const; |
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262 |
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263 void print_on(outputStream* st, bool withComments = false ); |
| 0 | 264 void print_as_flag(outputStream* st); |
| 265 }; | |
| 266 | |
| 267 // debug flags control various aspects of the VM and are global accessible | |
| 268 | |
| 269 // use FlagSetting to temporarily change some debug flag | |
| 270 // e.g. FlagSetting fs(DebugThisAndThat, true); | |
| 271 // restored to previous value upon leaving scope | |
| 272 class FlagSetting { | |
| 273 bool val; | |
| 274 bool* flag; | |
| 275 public: | |
| 276 FlagSetting(bool& fl, bool newValue) { flag = &fl; val = fl; fl = newValue; } | |
| 277 ~FlagSetting() { *flag = val; } | |
| 278 }; | |
| 279 | |
| 280 | |
| 281 class CounterSetting { | |
| 282 intx* counter; | |
| 283 public: | |
| 284 CounterSetting(intx* cnt) { counter = cnt; (*counter)++; } | |
| 285 ~CounterSetting() { (*counter)--; } | |
| 286 }; | |
| 287 | |
| 288 | |
| 289 class IntFlagSetting { | |
| 290 intx val; | |
| 291 intx* flag; | |
| 292 public: | |
| 293 IntFlagSetting(intx& fl, intx newValue) { flag = &fl; val = fl; fl = newValue; } | |
| 294 ~IntFlagSetting() { *flag = val; } | |
| 295 }; | |
| 296 | |
| 297 | |
| 298 class DoubleFlagSetting { | |
| 299 double val; | |
| 300 double* flag; | |
| 301 public: | |
| 302 DoubleFlagSetting(double& fl, double newValue) { flag = &fl; val = fl; fl = newValue; } | |
| 303 ~DoubleFlagSetting() { *flag = val; } | |
| 304 }; | |
| 305 | |
| 306 | |
| 307 class CommandLineFlags { | |
| 308 public: | |
| 309 static bool boolAt(char* name, size_t len, bool* value); | |
| 310 static bool boolAt(char* name, bool* value) { return boolAt(name, strlen(name), value); } | |
| 311 static bool boolAtPut(char* name, size_t len, bool* value, FlagValueOrigin origin); | |
| 312 static bool boolAtPut(char* name, bool* value, FlagValueOrigin origin) { return boolAtPut(name, strlen(name), value, origin); } | |
| 313 | |
| 314 static bool intxAt(char* name, size_t len, intx* value); | |
| 315 static bool intxAt(char* name, intx* value) { return intxAt(name, strlen(name), value); } | |
| 316 static bool intxAtPut(char* name, size_t len, intx* value, FlagValueOrigin origin); | |
| 317 static bool intxAtPut(char* name, intx* value, FlagValueOrigin origin) { return intxAtPut(name, strlen(name), value, origin); } | |
| 318 | |
| 319 static bool uintxAt(char* name, size_t len, uintx* value); | |
| 320 static bool uintxAt(char* name, uintx* value) { return uintxAt(name, strlen(name), value); } | |
| 321 static bool uintxAtPut(char* name, size_t len, uintx* value, FlagValueOrigin origin); | |
| 322 static bool uintxAtPut(char* name, uintx* value, FlagValueOrigin origin) { return uintxAtPut(name, strlen(name), value, origin); } | |
| 323 | |
| 1064 | 324 static bool uint64_tAt(char* name, size_t len, uint64_t* value); |
| 325 static bool uint64_tAt(char* name, uint64_t* value) { return uint64_tAt(name, strlen(name), value); } | |
| 326 static bool uint64_tAtPut(char* name, size_t len, uint64_t* value, FlagValueOrigin origin); | |
| 327 static bool uint64_tAtPut(char* name, uint64_t* value, FlagValueOrigin origin) { return uint64_tAtPut(name, strlen(name), value, origin); } | |
| 328 | |
| 0 | 329 static bool doubleAt(char* name, size_t len, double* value); |
| 330 static bool doubleAt(char* name, double* value) { return doubleAt(name, strlen(name), value); } | |
| 331 static bool doubleAtPut(char* name, size_t len, double* value, FlagValueOrigin origin); | |
| 332 static bool doubleAtPut(char* name, double* value, FlagValueOrigin origin) { return doubleAtPut(name, strlen(name), value, origin); } | |
| 333 | |
| 334 static bool ccstrAt(char* name, size_t len, ccstr* value); | |
| 335 static bool ccstrAt(char* name, ccstr* value) { return ccstrAt(name, strlen(name), value); } | |
| 336 static bool ccstrAtPut(char* name, size_t len, ccstr* value, FlagValueOrigin origin); | |
| 337 static bool ccstrAtPut(char* name, ccstr* value, FlagValueOrigin origin) { return ccstrAtPut(name, strlen(name), value, origin); } | |
| 338 | |
| 339 // Returns false if name is not a command line flag. | |
| 340 static bool wasSetOnCmdline(const char* name, bool* value); | |
| 4773 | 341 static void printSetFlags(outputStream* out); |
| 0 | 342 |
| 4773 | 343 static void printFlags(outputStream* out, bool withComments); |
| 0 | 344 |
| 345 static void verify() PRODUCT_RETURN; | |
| 346 }; | |
| 347 | |
| 348 // use this for flags that are true by default in the debug version but | |
| 349 // false in the optimized version, and vice versa | |
| 350 #ifdef ASSERT | |
| 351 #define trueInDebug true | |
| 352 #define falseInDebug false | |
| 353 #else | |
| 354 #define trueInDebug false | |
| 355 #define falseInDebug true | |
| 356 #endif | |
| 357 | |
| 358 // use this for flags that are true per default in the product build | |
| 359 // but false in development builds, and vice versa | |
| 360 #ifdef PRODUCT | |
| 361 #define trueInProduct true | |
| 362 #define falseInProduct false | |
| 363 #else | |
| 364 #define trueInProduct false | |
| 365 #define falseInProduct true | |
| 366 #endif | |
| 367 | |
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368 #ifdef JAVASE_EMBEDDED |
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369 #define falseInEmbedded false |
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370 #else |
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371 #define falseInEmbedded true |
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372 #endif |
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373 |
| 0 | 374 // develop flags are settable / visible only during development and are constant in the PRODUCT version |
| 375 // product flags are always settable / visible | |
| 376 // notproduct flags are settable / visible only during development and are not declared in the PRODUCT version | |
| 377 | |
| 378 // A flag must be declared with one of the following types: | |
| 379 // bool, intx, uintx, ccstr. | |
| 380 // The type "ccstr" is an alias for "const char*" and is used | |
| 381 // only in this file, because the macrology requires single-token type names. | |
| 382 | |
| 383 // Note: Diagnostic options not meant for VM tuning or for product modes. | |
| 384 // They are to be used for VM quality assurance or field diagnosis | |
| 385 // of VM bugs. They are hidden so that users will not be encouraged to | |
| 386 // try them as if they were VM ordinary execution options. However, they | |
| 387 // are available in the product version of the VM. Under instruction | |
| 388 // from support engineers, VM customers can turn them on to collect | |
| 389 // diagnostic information about VM problems. To use a VM diagnostic | |
| 390 // option, you must first specify +UnlockDiagnosticVMOptions. | |
| 391 // (This master switch also affects the behavior of -Xprintflags.) | |
|
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392 // |
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393 // experimental flags are in support of features that are not |
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394 // part of the officially supported product, but are available |
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395 // for experimenting with. They could, for example, be performance |
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396 // features that may not have undergone full or rigorous QA, but which may |
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397 // help performance in some cases and released for experimentation |
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398 // by the community of users and developers. This flag also allows one to |
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399 // be able to build a fully supported product that nonetheless also |
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400 // ships with some unsupported, lightly tested, experimental features. |
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401 // Like the UnlockDiagnosticVMOptions flag above, there is a corresponding |
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402 // UnlockExperimentalVMOptions flag, which allows the control and |
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403 // modification of the experimental flags. |
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404 // |
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405 // Nota bene: neither diagnostic nor experimental options should be used casually, |
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406 // and they are not supported on production loads, except under explicit |
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407 // direction from support engineers. |
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408 // |
| 0 | 409 // manageable flags are writeable external product flags. |
| 410 // They are dynamically writeable through the JDK management interface | |
| 411 // (com.sun.management.HotSpotDiagnosticMXBean API) and also through JConsole. | |
| 412 // These flags are external exported interface (see CCC). The list of | |
| 413 // manageable flags can be queried programmatically through the management | |
| 414 // interface. | |
| 415 // | |
| 416 // A flag can be made as "manageable" only if | |
| 417 // - the flag is defined in a CCC as an external exported interface. | |
| 418 // - the VM implementation supports dynamic setting of the flag. | |
| 419 // This implies that the VM must *always* query the flag variable | |
| 420 // and not reuse state related to the flag state at any given time. | |
| 421 // - you want the flag to be queried programmatically by the customers. | |
| 422 // | |
| 423 // product_rw flags are writeable internal product flags. | |
| 424 // They are like "manageable" flags but for internal/private use. | |
| 425 // The list of product_rw flags are internal/private flags which | |
| 426 // may be changed/removed in a future release. It can be set | |
| 427 // through the management interface to get/set value | |
| 428 // when the name of flag is supplied. | |
| 429 // | |
| 430 // A flag can be made as "product_rw" only if | |
| 431 // - the VM implementation supports dynamic setting of the flag. | |
| 432 // This implies that the VM must *always* query the flag variable | |
| 433 // and not reuse state related to the flag state at any given time. | |
| 434 // | |
| 435 // Note that when there is a need to support develop flags to be writeable, | |
| 436 // it can be done in the same way as product_rw. | |
| 437 | |
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438 #define RUNTIME_FLAGS(develop, develop_pd, product, product_pd, diagnostic, experimental, notproduct, manageable, product_rw, lp64_product) \ |
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439 \ |
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440 lp64_product(bool, UseCompressedOops, false, \ |
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441 "Use 32-bit object references in 64-bit VM " \ |
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442 "lp64_product means flag is always constant in 32 bit VM") \ |
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443 \ |
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444 lp64_product(bool, UseCompressedKlassPointers, false, \ |
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445 "Use 32-bit klass pointers in 64-bit VM " \ |
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446 "lp64_product means flag is always constant in 32 bit VM") \ |
| 0 | 447 \ |
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448 notproduct(bool, CheckCompressedOops, true, \ |
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449 "generate checks in encoding/decoding code in debug VM") \ |
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450 \ |
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451 product_pd(uintx, HeapBaseMinAddress, \ |
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452 "OS specific low limit for heap base address") \ |
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453 \ |
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454 diagnostic(bool, PrintCompressedOopsMode, false, \ |
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455 "Print compressed oops base address and encoding mode") \ |
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456 \ |
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457 lp64_product(intx, ObjectAlignmentInBytes, 8, \ |
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458 "Default object alignment in bytes, 8 is minimum") \ |
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459 \ |
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460 product(bool, AssumeMP, false, \ |
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461 "Instruct the VM to assume multiple processors are available") \ |
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462 \ |
| 0 | 463 /* UseMembar is theoretically a temp flag used for memory barrier \ |
| 464 * removal testing. It was supposed to be removed before FCS but has \ | |
| 465 * been re-added (see 6401008) */ \ | |
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466 product_pd(bool, UseMembar, \ |
| 0 | 467 "(Unstable) Issues membars on thread state transitions") \ |
| 468 \ | |
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469 /* Temp PPC Flag to allow disabling the use of lwsync on ppc platforms \ |
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470 * that don't support it. This will be replaced by processor detection \ |
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471 * logic. \ |
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472 */ \ |
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473 product(bool, UsePPCLWSYNC, true, \ |
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474 "Use lwsync instruction if true, else use slower sync") \ |
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475 \ |
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476 develop(bool, CleanChunkPoolAsync, falseInEmbedded, \ |
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477 "Whether to clean the chunk pool asynchronously") \ |
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478 \ |
| 6818 | 479 /* Temporary: See 6948537 */ \ |
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480 experimental(bool, UseMemSetInBOT, true, \ |
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481 "(Unstable) uses memset in BOT updates in GC code") \ |
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482 \ |
| 0 | 483 diagnostic(bool, UnlockDiagnosticVMOptions, trueInDebug, \ |
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484 "Enable normal processing of flags relating to field diagnostics")\ |
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485 \ |
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486 experimental(bool, UnlockExperimentalVMOptions, false, \ |
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487 "Enable normal processing of flags relating to experimental features")\ |
| 0 | 488 \ |
| 489 product(bool, JavaMonitorsInStackTrace, true, \ | |
| 490 "Print info. about Java monitor locks when the stacks are dumped")\ | |
| 491 \ | |
| 492 product_pd(bool, UseLargePages, \ | |
| 493 "Use large page memory") \ | |
| 494 \ | |
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495 product_pd(bool, UseLargePagesIndividualAllocation, \ |
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496 "Allocate large pages individually for better affinity") \ |
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497 \ |
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498 develop(bool, LargePagesIndividualAllocationInjectError, false, \ |
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499 "Fail large pages individual allocation") \ |
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500 \ |
| 0 | 501 develop(bool, TracePageSizes, false, \ |
| 502 "Trace page size selection and usage.") \ | |
| 503 \ | |
| 504 product(bool, UseNUMA, false, \ | |
| 505 "Use NUMA if available") \ | |
| 506 \ | |
| 3885 | 507 product(bool, UseNUMAInterleaving, false, \ |
| 508 "Interleave memory across NUMA nodes if available") \ | |
| 509 \ | |
| 510 product(uintx, NUMAInterleaveGranularity, 2*M, \ | |
| 511 "Granularity to use for NUMA interleaving on Windows OS") \ | |
| 512 \ | |
|
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513 product(bool, ForceNUMA, false, \ |
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514 "Force NUMA optimizations on single-node/UMA systems") \ |
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515 \ |
| 0 | 516 product(intx, NUMAChunkResizeWeight, 20, \ |
| 517 "Percentage (0-100) used to weight the current sample when " \ | |
| 518 "computing exponentially decaying average for " \ | |
| 519 "AdaptiveNUMAChunkSizing") \ | |
| 520 \ | |
| 521 product(intx, NUMASpaceResizeRate, 1*G, \ | |
| 522 "Do not reallocate more that this amount per collection") \ | |
| 523 \ | |
| 524 product(bool, UseAdaptiveNUMAChunkSizing, true, \ | |
| 525 "Enable adaptive chunk sizing for NUMA") \ | |
| 526 \ | |
| 527 product(bool, NUMAStats, false, \ | |
| 528 "Print NUMA stats in detailed heap information") \ | |
| 529 \ | |
| 530 product(intx, NUMAPageScanRate, 256, \ | |
| 531 "Maximum number of pages to include in the page scan procedure") \ | |
| 532 \ | |
| 533 product_pd(bool, NeedsDeoptSuspend, \ | |
| 534 "True for register window machines (sparc/ia64)") \ | |
| 535 \ | |
| 536 product(intx, UseSSE, 99, \ | |
| 537 "Highest supported SSE instructions set on x86/x64") \ | |
| 538 \ | |
| 6894 | 539 product(bool, UseAES, false, \ |
| 540 "Control whether AES instructions can be used on x86/x64") \ | |
| 541 \ | |
| 0 | 542 product(uintx, LargePageSizeInBytes, 0, \ |
| 543 "Large page size (0 to let VM choose the page size") \ | |
| 544 \ | |
| 545 product(uintx, LargePageHeapSizeThreshold, 128*M, \ | |
| 546 "Use large pages if max heap is at least this big") \ | |
| 547 \ | |
| 548 product(bool, ForceTimeHighResolution, false, \ | |
| 549 "Using high time resolution(For Win32 only)") \ | |
| 550 \ | |
| 551 develop(bool, TraceItables, false, \ | |
| 552 "Trace initialization and use of itables") \ | |
| 553 \ | |
| 554 develop(bool, TracePcPatching, false, \ | |
| 555 "Trace usage of frame::patch_pc") \ | |
| 556 \ | |
| 557 develop(bool, TraceJumps, false, \ | |
| 558 "Trace assembly jumps in thread ring buffer") \ | |
| 559 \ | |
| 560 develop(bool, TraceRelocator, false, \ | |
| 561 "Trace the bytecode relocator") \ | |
| 562 \ | |
| 563 develop(bool, TraceLongCompiles, false, \ | |
| 564 "Print out every time compilation is longer than " \ | |
| 565 "a given threashold") \ | |
| 566 \ | |
| 567 develop(bool, SafepointALot, false, \ | |
| 568 "Generates a lot of safepoints. Works with " \ | |
| 569 "GuaranteedSafepointInterval") \ | |
| 570 \ | |
| 571 product_pd(bool, BackgroundCompilation, \ | |
| 572 "A thread requesting compilation is not blocked during " \ | |
| 573 "compilation") \ | |
| 574 \ | |
| 575 product(bool, PrintVMQWaitTime, false, \ | |
| 576 "Prints out the waiting time in VM operation queue") \ | |
| 577 \ | |
| 578 develop(bool, NoYieldsInMicrolock, false, \ | |
| 579 "Disable yields in microlock") \ | |
| 580 \ | |
| 581 develop(bool, TraceOopMapGeneration, false, \ | |
| 582 "Shows oopmap generation") \ | |
| 583 \ | |
| 584 product(bool, MethodFlushing, true, \ | |
| 585 "Reclamation of zombie and not-entrant methods") \ | |
| 586 \ | |
| 587 develop(bool, VerifyStack, false, \ | |
| 588 "Verify stack of each thread when it is entering a runtime call") \ | |
| 589 \ | |
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590 diagnostic(bool, ForceUnreachable, false, \ |
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591 "Make all non code cache addresses to be unreachable with forcing use of 64bit literal fixups") \ |
| 0 | 592 \ |
| 593 notproduct(bool, StressDerivedPointers, false, \ | |
| 594 "Force scavenge when a derived pointers is detected on stack " \ | |
| 595 "after rtm call") \ | |
| 596 \ | |
| 597 develop(bool, TraceDerivedPointers, false, \ | |
| 598 "Trace traversal of derived pointers on stack") \ | |
| 599 \ | |
| 600 notproduct(bool, TraceCodeBlobStacks, false, \ | |
| 601 "Trace stack-walk of codeblobs") \ | |
| 602 \ | |
| 603 product(bool, PrintJNIResolving, false, \ | |
| 604 "Used to implement -v:jni") \ | |
| 605 \ | |
| 606 notproduct(bool, PrintRewrites, false, \ | |
| 607 "Print methods that are being rewritten") \ | |
| 608 \ | |
| 609 product(bool, UseInlineCaches, true, \ | |
| 610 "Use Inline Caches for virtual calls ") \ | |
| 611 \ | |
| 612 develop(bool, InlineArrayCopy, true, \ | |
| 613 "inline arraycopy native that is known to be part of " \ | |
| 614 "base library DLL") \ | |
| 615 \ | |
| 616 develop(bool, InlineObjectHash, true, \ | |
| 617 "inline Object::hashCode() native that is known to be part " \ | |
| 618 "of base library DLL") \ | |
| 619 \ | |
| 620 develop(bool, InlineNatives, true, \ | |
| 621 "inline natives that are known to be part of base library DLL") \ | |
| 622 \ | |
| 623 develop(bool, InlineMathNatives, true, \ | |
| 624 "inline SinD, CosD, etc.") \ | |
| 625 \ | |
| 626 develop(bool, InlineClassNatives, true, \ | |
| 627 "inline Class.isInstance, etc") \ | |
| 628 \ | |
| 629 develop(bool, InlineThreadNatives, true, \ | |
| 630 "inline Thread.currentThread, etc") \ | |
| 631 \ | |
| 632 develop(bool, InlineUnsafeOps, true, \ | |
| 633 "inline memory ops (native methods) from sun.misc.Unsafe") \ | |
| 634 \ | |
|
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635 product(bool, CriticalJNINatives, true, \ |
|
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|
636 "check for critical JNI entry points") \ |
|
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|
637 \ |
|
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|
638 notproduct(bool, StressCriticalJNINatives, false, \ |
|
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|
639 "Exercise register saving code in critical natives") \ |
|
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|
640 \ |
| 681 | 641 product(bool, UseSSE42Intrinsics, false, \ |
| 642 "SSE4.2 versions of intrinsics") \ | |
| 643 \ | |
| 6894 | 644 product(bool, UseAESIntrinsics, false, \ |
| 645 "use intrinsics for AES versions of crypto") \ | |
| 646 \ | |
| 0 | 647 develop(bool, TraceCallFixup, false, \ |
| 648 "traces all call fixups") \ | |
| 649 \ | |
| 650 develop(bool, DeoptimizeALot, false, \ | |
| 651 "deoptimize at every exit from the runtime system") \ | |
| 652 \ | |
| 434 | 653 notproduct(ccstrlist, DeoptimizeOnlyAt, "", \ |
| 0 | 654 "a comma separated list of bcis to deoptimize at") \ |
| 655 \ | |
| 656 product(bool, DeoptimizeRandom, false, \ | |
| 657 "deoptimize random frames on random exit from the runtime system")\ | |
| 658 \ | |
| 659 notproduct(bool, ZombieALot, false, \ | |
| 660 "creates zombies (non-entrant) at exit from the runt. system") \ | |
| 661 \ | |
|
2177
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|
662 product(bool, UnlinkSymbolsALot, false, \ |
|
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coleenp
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|
663 "unlink unreferenced symbols from the symbol table at safepoints")\ |
|
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|
664 \ |
| 0 | 665 notproduct(bool, WalkStackALot, false, \ |
| 666 "trace stack (no print) at every exit from the runtime system") \ | |
| 667 \ | |
| 4006 | 668 product(bool, Debugging, false, \ |
| 0 | 669 "set when executing debug methods in debug.ccp " \ |
| 670 "(to prevent triggering assertions)") \ | |
| 671 \ | |
| 672 notproduct(bool, StrictSafepointChecks, trueInDebug, \ | |
| 673 "Enable strict checks that safepoints cannot happen for threads " \ | |
| 674 "that used No_Safepoint_Verifier") \ | |
| 675 \ | |
| 676 notproduct(bool, VerifyLastFrame, false, \ | |
| 677 "Verify oops on last frame on entry to VM") \ | |
| 678 \ | |
| 679 develop(bool, TraceHandleAllocation, false, \ | |
| 680 "Prints out warnings when suspicious many handles are allocated") \ | |
| 681 \ | |
| 682 product(bool, UseCompilerSafepoints, true, \ | |
| 683 "Stop at safepoints in compiled code") \ | |
| 684 \ | |
| 685 product(bool, FailOverToOldVerifier, true, \ | |
| 686 "fail over to old verifier when split verifier fails") \ | |
| 687 \ | |
| 688 develop(bool, ShowSafepointMsgs, false, \ | |
| 689 "Show msg. about safepoint synch.") \ | |
| 690 \ | |
| 691 product(bool, SafepointTimeout, false, \ | |
| 692 "Time out and warn or fail after SafepointTimeoutDelay " \ | |
| 693 "milliseconds if failed to reach safepoint") \ | |
| 694 \ | |
| 695 develop(bool, DieOnSafepointTimeout, false, \ | |
| 696 "Die upon failure to reach safepoint (see SafepointTimeout)") \ | |
| 697 \ | |
| 698 /* 50 retries * (5 * current_retry_count) millis = ~6.375 seconds */ \ | |
| 699 /* typically, at most a few retries are needed */ \ | |
| 700 product(intx, SuspendRetryCount, 50, \ | |
| 701 "Maximum retry count for an external suspend request") \ | |
| 702 \ | |
| 703 product(intx, SuspendRetryDelay, 5, \ | |
| 704 "Milliseconds to delay per retry (* current_retry_count)") \ | |
| 705 \ | |
| 706 product(bool, AssertOnSuspendWaitFailure, false, \ | |
| 707 "Assert/Guarantee on external suspend wait failure") \ | |
| 708 \ | |
| 709 product(bool, TraceSuspendWaitFailures, false, \ | |
| 710 "Trace external suspend wait failures") \ | |
| 711 \ | |
| 712 product(bool, MaxFDLimit, true, \ | |
| 713 "Bump the number of file descriptors to max in solaris.") \ | |
| 714 \ | |
|
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|
715 diagnostic(bool, LogEvents, true, \ |
|
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7141200: log some interesting information in ring buffers for crashes
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changeset
|
716 "Enable the various ring buffer event logs") \ |
|
aa3d708d67c4
7141200: log some interesting information in ring buffers for crashes
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diff
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|
717 \ |
|
aa3d708d67c4
7141200: log some interesting information in ring buffers for crashes
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diff
changeset
|
718 diagnostic(intx, LogEventsBufferEntries, 10, \ |
|
aa3d708d67c4
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|
719 "Enable the various ring buffer event logs") \ |
| 0 | 720 \ |
| 721 product(bool, BytecodeVerificationRemote, true, \ | |
| 722 "Enables the Java bytecode verifier for remote classes") \ | |
| 723 \ | |
| 724 product(bool, BytecodeVerificationLocal, false, \ | |
| 725 "Enables the Java bytecode verifier for local classes") \ | |
| 726 \ | |
| 727 develop(bool, ForceFloatExceptions, trueInDebug, \ | |
| 728 "Force exceptions on FP stack under/overflow") \ | |
| 729 \ | |
| 730 develop(bool, VerifyStackAtCalls, false, \ | |
| 731 "Verify that the stack pointer is unchanged after calls") \ | |
| 732 \ | |
| 733 develop(bool, TraceJavaAssertions, false, \ | |
| 734 "Trace java language assertions") \ | |
| 735 \ | |
| 736 notproduct(bool, CheckAssertionStatusDirectives, false, \ | |
| 737 "temporary - see javaClasses.cpp") \ | |
| 738 \ | |
| 739 notproduct(bool, PrintMallocFree, false, \ | |
| 740 "Trace calls to C heap malloc/free allocation") \ | |
| 741 \ | |
|
1681
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
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changeset
|
742 product(bool, PrintOopAddress, false, \ |
| 0 | 743 "Always print the location of the oop") \ |
| 744 \ | |
| 745 notproduct(bool, VerifyCodeCacheOften, false, \ | |
| 746 "Verify compiled-code cache often") \ | |
| 747 \ | |
| 748 develop(bool, ZapDeadCompiledLocals, false, \ | |
| 749 "Zap dead locals in compiler frames") \ | |
| 750 \ | |
| 751 notproduct(bool, ZapDeadLocalsOld, false, \ | |
| 752 "Zap dead locals (old version, zaps all frames when " \ | |
| 753 "entering the VM") \ | |
| 754 \ | |
| 755 notproduct(bool, CheckOopishValues, false, \ | |
| 756 "Warn if value contains oop ( requires ZapDeadLocals)") \ | |
| 757 \ | |
| 758 develop(bool, UseMallocOnly, false, \ | |
| 759 "use only malloc/free for allocation (no resource area/arena)") \ | |
| 760 \ | |
| 761 develop(bool, PrintMalloc, false, \ | |
| 762 "print all malloc/free calls") \ | |
| 763 \ | |
| 2250 | 764 develop(bool, PrintMallocStatistics, false, \ |
| 765 "print malloc/free statistics") \ | |
| 766 \ | |
| 0 | 767 develop(bool, ZapResourceArea, trueInDebug, \ |
| 768 "Zap freed resource/arena space with 0xABABABAB") \ | |
| 769 \ | |
| 770 notproduct(bool, ZapVMHandleArea, trueInDebug, \ | |
| 771 "Zap freed VM handle space with 0xBCBCBCBC") \ | |
| 772 \ | |
| 773 develop(bool, ZapJNIHandleArea, trueInDebug, \ | |
| 774 "Zap freed JNI handle space with 0xFEFEFEFE") \ | |
| 775 \ | |
|
1836
894b1d7c7e01
6423256: GC stacks should use a better data structure
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parents:
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diff
changeset
|
776 notproduct(bool, ZapStackSegments, trueInDebug, \ |
|
894b1d7c7e01
6423256: GC stacks should use a better data structure
jcoomes
parents:
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diff
changeset
|
777 "Zap allocated/freed Stack segments with 0xFADFADED") \ |
|
894b1d7c7e01
6423256: GC stacks should use a better data structure
jcoomes
parents:
1778
diff
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|
778 \ |
|
263
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diff
changeset
|
779 develop(bool, ZapUnusedHeapArea, trueInDebug, \ |
| 0 | 780 "Zap unused heap space with 0xBAADBABE") \ |
| 781 \ | |
|
263
12eea04c8b06
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diff
changeset
|
782 develop(bool, TraceZapUnusedHeapArea, false, \ |
|
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
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diff
changeset
|
783 "Trace zapping of unused heap space") \ |
|
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
219
diff
changeset
|
784 \ |
|
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
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parents:
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diff
changeset
|
785 develop(bool, CheckZapUnusedHeapArea, false, \ |
|
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
219
diff
changeset
|
786 "Check zapping of unused heap space") \ |
|
12eea04c8b06
6672698: mangle_unused_area() should not remangle the entire heap at each collection.
jmasa
parents:
219
diff
changeset
|
787 \ |
|
481
7d7a7c599c17
6578152: fill_region_with_object has usability and safety issues
jcoomes
parents:
462
diff
changeset
|
788 develop(bool, ZapFillerObjects, trueInDebug, \ |
|
7d7a7c599c17
6578152: fill_region_with_object has usability and safety issues
jcoomes
parents:
462
diff
changeset
|
789 "Zap filler objects with 0xDEAFBABE") \ |
|
7d7a7c599c17
6578152: fill_region_with_object has usability and safety issues
jcoomes
parents:
462
diff
changeset
|
790 \ |
| 0 | 791 develop(bool, PrintVMMessages, true, \ |
| 792 "Print vm messages on console") \ | |
| 793 \ | |
| 794 product(bool, PrintGCApplicationConcurrentTime, false, \ | |
| 795 "Print the time the application has been running") \ | |
| 796 \ | |
| 797 product(bool, PrintGCApplicationStoppedTime, false, \ | |
| 798 "Print the time the application has been stopped") \ | |
| 799 \ | |
| 6605 | 800 diagnostic(bool, VerboseVerification, false, \ |
| 801 "Display detailed verification details") \ | |
| 802 \ | |
|
1490
f03d0a26bf83
6888954: argument formatting for assert() and friends
jcoomes
parents:
1367
diff
changeset
|
803 notproduct(uintx, ErrorHandlerTest, 0, \ |
|
f03d0a26bf83
6888954: argument formatting for assert() and friends
jcoomes
parents:
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diff
changeset
|
804 "If > 0, provokes an error after VM initialization; the value" \ |
|
f03d0a26bf83
6888954: argument formatting for assert() and friends
jcoomes
parents:
1367
diff
changeset
|
805 "determines which error to provoke. See test_error_handler()" \ |
|
f03d0a26bf83
6888954: argument formatting for assert() and friends
jcoomes
parents:
1367
diff
changeset
|
806 "in debug.cpp.") \ |
|
f03d0a26bf83
6888954: argument formatting for assert() and friends
jcoomes
parents:
1367
diff
changeset
|
807 \ |
| 0 | 808 develop(bool, Verbose, false, \ |
| 809 "Prints additional debugging information from other modes") \ | |
| 810 \ | |
| 811 develop(bool, PrintMiscellaneous, false, \ | |
| 812 "Prints uncategorized debugging information (requires +Verbose)") \ | |
| 813 \ | |
| 814 develop(bool, WizardMode, false, \ | |
| 815 "Prints much more debugging information") \ | |
| 816 \ | |
| 817 product(bool, ShowMessageBoxOnError, false, \ | |
| 818 "Keep process alive on VM fatal error") \ | |
| 819 \ | |
|
2204
63d374c54045
7014918: Improve core/minidump handling in Hotspot
ctornqvi
parents:
2199
diff
changeset
|
820 product(bool, CreateMinidumpOnCrash, false, \ |
|
63d374c54045
7014918: Improve core/minidump handling in Hotspot
ctornqvi
parents:
2199
diff
changeset
|
821 "Create minidump on VM fatal error") \ |
|
63d374c54045
7014918: Improve core/minidump handling in Hotspot
ctornqvi
parents:
2199
diff
changeset
|
822 \ |
| 0 | 823 product_pd(bool, UseOSErrorReporting, \ |
| 824 "Let VM fatal error propagate to the OS (ie. WER on Windows)") \ | |
| 825 \ | |
| 826 product(bool, SuppressFatalErrorMessage, false, \ | |
| 827 "Do NO Fatal Error report [Avoid deadlock]") \ | |
| 828 \ | |
| 829 product(ccstrlist, OnError, "", \ | |
| 830 "Run user-defined commands on fatal error; see VMError.cpp " \ | |
| 831 "for examples") \ | |
| 832 \ | |
| 833 product(ccstrlist, OnOutOfMemoryError, "", \ | |
| 834 "Run user-defined commands on first java.lang.OutOfMemoryError") \ | |
| 835 \ | |
|
615
c6c601a0f2d6
6797870: Add -XX:+{HeapDump,PrintClassHistogram}{Before,After}FullGC
ysr
parents:
570
diff
changeset
|
836 manageable(bool, HeapDumpBeforeFullGC, false, \ |
|
c6c601a0f2d6
6797870: Add -XX:+{HeapDump,PrintClassHistogram}{Before,After}FullGC
ysr
parents:
570
diff
changeset
|
837 "Dump heap to file before any major stop-world GC") \ |
|
c6c601a0f2d6
6797870: Add -XX:+{HeapDump,PrintClassHistogram}{Before,After}FullGC
ysr
parents:
570
diff
changeset
|
838 \ |
|
c6c601a0f2d6
6797870: Add -XX:+{HeapDump,PrintClassHistogram}{Before,After}FullGC
ysr
parents:
570
diff
changeset
|
839 manageable(bool, HeapDumpAfterFullGC, false, \ |
|
c6c601a0f2d6
6797870: Add -XX:+{HeapDump,PrintClassHistogram}{Before,After}FullGC
ysr
parents:
570
diff
changeset
|
840 "Dump heap to file after any major stop-world GC") \ |
|
c6c601a0f2d6
6797870: Add -XX:+{HeapDump,PrintClassHistogram}{Before,After}FullGC
ysr
parents:
570
diff
changeset
|
841 \ |
| 0 | 842 manageable(bool, HeapDumpOnOutOfMemoryError, false, \ |
| 843 "Dump heap to file when java.lang.OutOfMemoryError is thrown") \ | |
| 844 \ | |
| 845 manageable(ccstr, HeapDumpPath, NULL, \ | |
| 846 "When HeapDumpOnOutOfMemoryError is on, the path (filename or" \ | |
| 847 "directory) of the dump file (defaults to java_pid<pid>.hprof" \ | |
| 848 "in the working directory)") \ | |
| 849 \ | |
| 850 develop(uintx, SegmentedHeapDumpThreshold, 2*G, \ | |
| 851 "Generate a segmented heap dump (JAVA PROFILE 1.0.2 format) " \ | |
| 852 "when the heap usage is larger than this") \ | |
| 853 \ | |
| 854 develop(uintx, HeapDumpSegmentSize, 1*G, \ | |
| 855 "Approximate segment size when generating a segmented heap dump") \ | |
| 856 \ | |
| 857 develop(bool, BreakAtWarning, false, \ | |
| 858 "Execute breakpoint upon encountering VM warning") \ | |
| 859 \ | |
| 860 develop(bool, TraceVMOperation, false, \ | |
| 861 "Trace vm operations") \ | |
| 862 \ | |
| 863 develop(bool, UseFakeTimers, false, \ | |
| 864 "Tells whether the VM should use system time or a fake timer") \ | |
| 865 \ | |
| 6197 | 866 product(ccstr, NativeMemoryTracking, "off", \ |
| 867 "Native memory tracking options") \ | |
| 868 \ | |
|
6770
9a86ddfc6c8f
7188594: Print statistic collected by NMT with VM flag
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diff
changeset
|
869 diagnostic(bool, PrintNMTStatistics, false, \ |
|
9a86ddfc6c8f
7188594: Print statistic collected by NMT with VM flag
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parents:
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diff
changeset
|
870 "Print native memory tracking summary data if it is on") \ |
|
9a86ddfc6c8f
7188594: Print statistic collected by NMT with VM flag
zgu
parents:
6736
diff
changeset
|
871 \ |
|
8810
06db4c0afbf3
8009298: NMT: Special version of class loading/unloading with runThese stresses out NMT
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parents:
8802
diff
changeset
|
872 diagnostic(bool, AutoShutdownNMT, true, \ |
|
06db4c0afbf3
8009298: NMT: Special version of class loading/unloading with runThese stresses out NMT
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parents:
8802
diff
changeset
|
873 "Automatically shutdown native memory tracking under stress " \ |
|
06db4c0afbf3
8009298: NMT: Special version of class loading/unloading with runThese stresses out NMT
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parents:
8802
diff
changeset
|
874 "situation. When set to false, native memory tracking tries to " \ |
|
06db4c0afbf3
8009298: NMT: Special version of class loading/unloading with runThese stresses out NMT
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parents:
8802
diff
changeset
|
875 "stay alive at the expense of JVM performance") \ |
|
06db4c0afbf3
8009298: NMT: Special version of class loading/unloading with runThese stresses out NMT
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8802
diff
changeset
|
876 \ |
| 0 | 877 diagnostic(bool, LogCompilation, false, \ |
| 878 "Log compilation activity in detail to hotspot.log or LogFile") \ | |
| 879 \ | |
| 880 product(bool, PrintCompilation, false, \ | |
| 881 "Print compilations") \ | |
| 882 \ | |
| 883 diagnostic(bool, TraceNMethodInstalls, false, \ | |
| 884 "Trace nmethod intallation") \ | |
| 885 \ | |
|
4119
7793051af7d6
7110058: change default for ScavengeRootsInCode to 2
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parents:
4065
diff
changeset
|
886 diagnostic(intx, ScavengeRootsInCode, 2, \ |
|
989
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
910
diff
changeset
|
887 "0: do not allow scavengable oops in the code cache; " \ |
|
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
910
diff
changeset
|
888 "1: allow scavenging from the code cache; " \ |
|
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
910
diff
changeset
|
889 "2: emit as many constants as the compiler can see") \ |
|
148e5441d916
6863023: need non-perm oops in code cache for JSR 292
jrose
parents:
910
diff
changeset
|
890 \ |
| 0 | 891 product(bool, AlwaysRestoreFPU, false, \ |
| 892 "Restore the FPU control word after every JNI call (expensive)") \ | |
| 893 \ | |
|
4064
670a74b863fc
7107042: assert(no_dead_loop) failed: dead loop detected
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parents:
4059
diff
changeset
|
894 diagnostic(bool, PrintCompilation2, false, \ |
| 0 | 895 "Print additional statistics per compilation") \ |
| 896 \ | |
|
100
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|
897 diagnostic(bool, PrintAdapterHandlers, false, \ |
| 0 | 898 "Print code generated for i2c/c2i adapters") \ |
| 899 \ | |
|
6266
1d7922586cf6
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parents:
6199
diff
changeset
|
900 diagnostic(bool, VerifyAdapterCalls, trueInDebug, \ |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
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diff
changeset
|
901 "Verify that i2c/c2i adapters are called properly") \ |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
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changeset
|
902 \ |
|
1207
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
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parents:
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diff
changeset
|
903 develop(bool, VerifyAdapterSharing, false, \ |
|
74c848d437ab
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parents:
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diff
changeset
|
904 "Verify that the code for shared adapters is the equivalent") \ |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
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diff
changeset
|
905 \ |
|
100
c7c777385a15
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changeset
|
906 diagnostic(bool, PrintAssembly, false, \ |
|
c7c777385a15
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76
diff
changeset
|
907 "Print assembly code (using external disassembler.so)") \ |
|
c7c777385a15
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diff
changeset
|
908 \ |
|
370
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6744783: HotSpot segfaults if given -XX options with an empty string argument
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325
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changeset
|
909 diagnostic(ccstr, PrintAssemblyOptions, NULL, \ |
|
100
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76
diff
changeset
|
910 "Options string passed to disassembler.so") \ |
|
c7c777385a15
6667042: PrintAssembly option does not work without special plugin
jrose
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changeset
|
911 \ |
|
c7c777385a15
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912 diagnostic(bool, PrintNMethods, false, \ |
| 0 | 913 "Print assembly code for nmethods when generated") \ |
| 914 \ | |
|
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915 diagnostic(bool, PrintNativeNMethods, false, \ |
| 0 | 916 "Print assembly code for native nmethods when generated") \ |
| 917 \ | |
| 918 develop(bool, PrintDebugInfo, false, \ | |
| 919 "Print debug information for all nmethods when generated") \ | |
| 920 \ | |
| 921 develop(bool, PrintRelocations, false, \ | |
| 922 "Print relocation information for all nmethods when generated") \ | |
| 923 \ | |
| 924 develop(bool, PrintDependencies, false, \ | |
| 925 "Print dependency information for all nmethods when generated") \ | |
| 926 \ | |
| 927 develop(bool, PrintExceptionHandlers, false, \ | |
| 928 "Print exception handler tables for all nmethods when generated") \ | |
| 929 \ | |
|
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930 develop(bool, StressCompiledExceptionHandlers, false, \ |
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931 "Exercise compiled exception handlers") \ |
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932 \ |
| 0 | 933 develop(bool, InterceptOSException, false, \ |
| 934 "Starts debugger when an implicit OS (e.g., NULL) " \ | |
| 935 "exception happens") \ | |
| 936 \ | |
|
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937 product(bool, PrintCodeCache, false, \ |
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938 "Print the code cache memory usage when exiting") \ |
| 0 | 939 \ |
| 940 develop(bool, PrintCodeCache2, false, \ | |
|
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941 "Print detailed usage info on the code cache when exiting") \ |
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942 \ |
|
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943 product(bool, PrintCodeCacheOnCompilation, false, \ |
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944 "Print the code cache memory usage each time a method is compiled") \ |
| 0 | 945 \ |
|
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946 diagnostic(bool, PrintStubCode, false, \ |
| 0 | 947 "Print generated stub code") \ |
| 948 \ | |
| 949 product(bool, StackTraceInThrowable, true, \ | |
| 950 "Collect backtrace in throwable when exception happens") \ | |
| 951 \ | |
| 952 product(bool, OmitStackTraceInFastThrow, true, \ | |
| 953 "Omit backtraces for some 'hot' exceptions in optimized code") \ | |
| 954 \ | |
| 955 product(bool, ProfilerPrintByteCodeStatistics, false, \ | |
| 956 "Prints byte code statictics when dumping profiler output") \ | |
| 957 \ | |
| 958 product(bool, ProfilerRecordPC, false, \ | |
| 959 "Collects tick for each 16 byte interval of compiled code") \ | |
| 960 \ | |
| 1064 | 961 product(bool, ProfileVM, false, \ |
| 0 | 962 "Profiles ticks that fall within VM (either in the VM Thread " \ |
| 963 "or VM code called through stubs)") \ | |
| 964 \ | |
| 965 product(bool, ProfileIntervals, false, \ | |
| 966 "Prints profiles for each interval (see ProfileIntervalsTicks)") \ | |
| 967 \ | |
| 968 notproduct(bool, ProfilerCheckIntervals, false, \ | |
| 969 "Collect and print info on spacing of profiler ticks") \ | |
| 970 \ | |
| 971 develop(bool, PrintJVMWarnings, false, \ | |
| 972 "Prints warnings for unimplemented JVM functions") \ | |
| 973 \ | |
|
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974 product(bool, PrintWarnings, true, \ |
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975 "Prints JVM warnings to output stream") \ |
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976 \ |
| 0 | 977 notproduct(uintx, WarnOnStalledSpinLock, 0, \ |
| 978 "Prints warnings for stalled SpinLocks") \ | |
| 979 \ | |
| 980 product(bool, RegisterFinalizersAtInit, true, \ | |
| 981 "Register finalizable objects at end of Object.<init> or " \ | |
| 1064 | 982 "after allocation") \ |
| 0 | 983 \ |
| 984 develop(bool, RegisterReferences, true, \ | |
| 985 "Tells whether the VM should register soft/weak/final/phantom " \ | |
| 986 "references") \ | |
| 987 \ | |
| 988 develop(bool, IgnoreRewrites, false, \ | |
| 989 "Supress rewrites of bytecodes in the oopmap generator. " \ | |
| 990 "This is unsafe!") \ | |
| 991 \ | |
| 992 develop(bool, PrintCodeCacheExtension, false, \ | |
| 993 "Print extension of code cache") \ | |
| 994 \ | |
| 995 develop(bool, UsePrivilegedStack, true, \ | |
| 996 "Enable the security JVM functions") \ | |
| 997 \ | |
| 998 develop(bool, ProtectionDomainVerification, true, \ | |
| 999 "Verifies protection domain before resolution in system " \ | |
| 1000 "dictionary") \ | |
| 1001 \ | |
| 1002 product(bool, ClassUnloading, true, \ | |
| 1003 "Do unloading of classes") \ | |
| 1004 \ | |
| 1005 develop(bool, DisableStartThread, false, \ | |
| 1006 "Disable starting of additional Java threads " \ | |
| 1007 "(for debugging only)") \ | |
| 1008 \ | |
| 1009 develop(bool, MemProfiling, false, \ | |
| 1010 "Write memory usage profiling to log file") \ | |
| 1011 \ | |
| 1012 notproduct(bool, PrintSystemDictionaryAtExit, false, \ | |
| 1013 "Prints the system dictionary at exit") \ | |
| 1014 \ | |
|
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1015 experimental(intx, PredictedLoadedClassCount, 0, \ |
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1016 "Experimental: Tune loaded class cache starting size.") \ |
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1017 \ |
| 0 | 1018 diagnostic(bool, UnsyncloadClass, false, \ |
| 514 | 1019 "Unstable: VM calls loadClass unsynchronized. Custom " \ |
| 1020 "class loader must call VM synchronized for findClass " \ | |
| 1021 "and defineClass.") \ | |
| 1022 \ | |
| 1023 product(bool, AlwaysLockClassLoader, false, \ | |
| 1024 "Require the VM to acquire the class loader lock before calling " \ | |
| 1025 "loadClass() even for class loaders registering " \ | |
| 1064 | 1026 "as parallel capable") \ |
| 514 | 1027 \ |
| 1028 product(bool, AllowParallelDefineClass, false, \ | |
| 1029 "Allow parallel defineClass requests for class loaders " \ | |
| 1064 | 1030 "registering as parallel capable") \ |
| 514 | 1031 \ |
| 1032 product(bool, MustCallLoadClassInternal, false, \ | |
| 1064 | 1033 "Call loadClassInternal() rather than loadClass()") \ |
| 0 | 1034 \ |
| 1035 product_pd(bool, DontYieldALot, \ | |
| 1036 "Throw away obvious excess yield calls (for SOLARIS only)") \ | |
| 1037 \ | |
| 1038 product_pd(bool, ConvertSleepToYield, \ | |
| 1039 "Converts sleep(0) to thread yield " \ | |
| 1040 "(may be off for SOLARIS to improve GUI)") \ | |
| 1041 \ | |
| 1042 product(bool, ConvertYieldToSleep, false, \ | |
| 1043 "Converts yield to a sleep of MinSleepInterval to simulate Win32 "\ | |
| 1044 "behavior (SOLARIS only)") \ | |
| 1045 \ | |
| 1046 product(bool, UseBoundThreads, true, \ | |
| 1047 "Bind user level threads to kernel threads (for SOLARIS only)") \ | |
| 1048 \ | |
| 1049 develop(bool, UseDetachedThreads, true, \ | |
| 1050 "Use detached threads that are recycled upon termination " \ | |
| 1051 "(for SOLARIS only)") \ | |
| 1052 \ | |
| 1053 product(bool, UseLWPSynchronization, true, \ | |
| 1054 "Use LWP-based instead of libthread-based synchronization " \ | |
| 1055 "(SPARC only)") \ | |
| 1056 \ | |
|
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1057 product(ccstr, SyncKnobs, NULL, \ |
| 0 | 1058 "(Unstable) Various monitor synchronization tunables") \ |
| 1059 \ | |
| 1060 product(intx, EmitSync, 0, \ | |
| 1061 "(Unsafe,Unstable) " \ | |
| 1062 " Controls emission of inline sync fast-path code") \ | |
| 1063 \ | |
| 1587 | 1064 product(intx, MonitorBound, 0, "Bound Monitor population") \ |
| 1065 \ | |
| 1066 product(bool, MonitorInUseLists, false, "Track Monitors for Deflation") \ | |
| 1067 \ | |
| 0 | 1068 product(intx, SyncFlags, 0, "(Unsafe,Unstable) Experimental Sync flags" ) \ |
| 1069 \ | |
| 1070 product(intx, SyncVerbose, 0, "(Unstable)" ) \ | |
| 1071 \ | |
| 1072 product(intx, ClearFPUAtPark, 0, "(Unsafe,Unstable)" ) \ | |
| 1073 \ | |
| 7587 | 1074 product(intx, hashCode, 5, \ |
| 0 | 1075 "(Unstable) select hashCode generation algorithm" ) \ |
| 1076 \ | |
| 1077 product(intx, WorkAroundNPTLTimedWaitHang, 1, \ | |
| 1078 "(Unstable, Linux-specific)" \ | |
| 1079 " avoid NPTL-FUTEX hang pthread_cond_timedwait" ) \ | |
| 1080 \ | |
| 1064 | 1081 product(bool, FilterSpuriousWakeups, true, \ |
| 1082 "Prevent spurious or premature wakeups from object.wait " \ | |
| 1083 "(Solaris only)") \ | |
| 0 | 1084 \ |
| 1085 product(intx, NativeMonitorTimeout, -1, "(Unstable)" ) \ | |
| 1086 product(intx, NativeMonitorFlags, 0, "(Unstable)" ) \ | |
| 1087 product(intx, NativeMonitorSpinLimit, 20, "(Unstable)" ) \ | |
| 1088 \ | |
| 1089 develop(bool, UsePthreads, false, \ | |
| 1090 "Use pthread-based instead of libthread-based synchronization " \ | |
| 1091 "(SPARC only)") \ | |
| 1092 \ | |
| 1093 product(bool, AdjustConcurrency, false, \ | |
| 1094 "call thr_setconcurrency at thread create time to avoid " \ | |
| 1095 "LWP starvation on MP systems (For Solaris Only)") \ | |
| 1096 \ | |
| 1097 product(bool, ReduceSignalUsage, false, \ | |
| 1098 "Reduce the use of OS signals in Java and/or the VM") \ | |
| 1099 \ | |
| 1100 develop_pd(bool, ShareVtableStubs, \ | |
| 1101 "Share vtable stubs (smaller code but worse branch prediction") \ | |
| 1102 \ | |
| 1103 develop(bool, LoadLineNumberTables, true, \ | |
| 1104 "Tells whether the class file parser loads line number tables") \ | |
| 1105 \ | |
| 1106 develop(bool, LoadLocalVariableTables, true, \ | |
| 1107 "Tells whether the class file parser loads local variable tables")\ | |
| 1108 \ | |
| 1109 develop(bool, LoadLocalVariableTypeTables, true, \ | |
| 1110 "Tells whether the class file parser loads local variable type tables")\ | |
| 1111 \ | |
| 1112 product(bool, AllowUserSignalHandlers, false, \ | |
| 1113 "Do not complain if the application installs signal handlers " \ | |
| 1114 "(Solaris & Linux only)") \ | |
| 1115 \ | |
| 1116 product(bool, UseSignalChaining, true, \ | |
| 1117 "Use signal-chaining to invoke signal handlers installed " \ | |
| 1118 "by the application (Solaris & Linux only)") \ | |
| 1119 \ | |
| 1120 product(bool, UseAltSigs, false, \ | |
| 1121 "Use alternate signals instead of SIGUSR1 & SIGUSR2 for VM " \ | |
| 1064 | 1122 "internal signals (Solaris only)") \ |
| 0 | 1123 \ |
| 1124 product(bool, AllowJNIEnvProxy, false, \ | |
| 1125 "Allow JNIEnv proxies for jdbx") \ | |
| 1126 \ | |
| 1127 product(bool, JNIDetachReleasesMonitors, true, \ | |
| 1128 "JNI DetachCurrentThread releases monitors owned by thread") \ | |
| 1129 \ | |
| 1130 product(bool, RestoreMXCSROnJNICalls, false, \ | |
| 1131 "Restore MXCSR when returning from JNI calls") \ | |
| 1132 \ | |
| 1133 product(bool, CheckJNICalls, false, \ | |
| 1134 "Verify all arguments to JNI calls") \ | |
| 1135 \ | |
| 1136 product(bool, UseFastJNIAccessors, true, \ | |
| 1137 "Use optimized versions of Get<Primitive>Field") \ | |
| 1138 \ | |
| 1139 product(bool, EagerXrunInit, false, \ | |
| 1140 "Eagerly initialize -Xrun libraries; allows startup profiling, " \ | |
| 1141 " but not all -Xrun libraries may support the state of the VM at this time") \ | |
| 1142 \ | |
| 1143 product(bool, PreserveAllAnnotations, false, \ | |
| 1144 "Preserve RuntimeInvisibleAnnotations as well as RuntimeVisibleAnnotations") \ | |
| 1145 \ | |
| 1146 develop(uintx, PreallocatedOutOfMemoryErrorCount, 4, \ | |
| 1147 "Number of OutOfMemoryErrors preallocated with backtrace") \ | |
| 1148 \ | |
| 1149 product(bool, LazyBootClassLoader, true, \ | |
| 1150 "Enable/disable lazy opening of boot class path entries") \ | |
| 1151 \ | |
| 405 | 1152 product(bool, UseXMMForArrayCopy, false, \ |
| 1153 "Use SSE2 MOVQ instruction for Arraycopy") \ | |
| 1154 \ | |
| 0 | 1155 product(intx, FieldsAllocationStyle, 1, \ |
|
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1156 "0 - type based with oops first, 1 - with oops last, " \ |
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1157 "2 - oops in super and sub classes are together") \ |
| 0 | 1158 \ |
| 1159 product(bool, CompactFields, true, \ | |
| 1160 "Allocate nonstatic fields in gaps between previous fields") \ | |
| 1161 \ | |
| 1162 notproduct(bool, PrintCompactFieldsSavings, false, \ | |
| 1163 "Print how many words were saved with CompactFields") \ | |
| 1164 \ | |
| 7587 | 1165 notproduct(bool, PrintFieldLayout, false, \ |
| 1166 "Print field layout for each class") \ | |
| 1167 \ | |
| 1168 product(intx, ContendedPaddingWidth, 128, \ | |
| 1169 "How many bytes to pad the fields/classes marked @Contended with")\ | |
| 1170 \ | |
| 1171 product(bool, EnableContended, true, \ | |
| 1172 "Enable @Contended annotation support") \ | |
| 1173 \ | |
| 1174 product(bool, RestrictContended, true, \ | |
| 1175 "Restrict @Contended to trusted classes") \ | |
| 1176 \ | |
| 0 | 1177 product(bool, UseBiasedLocking, true, \ |
| 1178 "Enable biased locking in JVM") \ | |
| 1179 \ | |
| 1180 product(intx, BiasedLockingStartupDelay, 4000, \ | |
| 1181 "Number of milliseconds to wait before enabling biased locking") \ | |
| 1182 \ | |
| 1183 diagnostic(bool, PrintBiasedLockingStatistics, false, \ | |
| 1184 "Print statistics of biased locking in JVM") \ | |
| 1185 \ | |
| 1186 product(intx, BiasedLockingBulkRebiasThreshold, 20, \ | |
| 1187 "Threshold of number of revocations per type to try to " \ | |
| 1188 "rebias all objects in the heap of that type") \ | |
| 1189 \ | |
| 1190 product(intx, BiasedLockingBulkRevokeThreshold, 40, \ | |
| 1191 "Threshold of number of revocations per type to permanently " \ | |
| 1192 "revoke biases of all objects in the heap of that type") \ | |
| 1193 \ | |
| 1194 product(intx, BiasedLockingDecayTime, 25000, \ | |
| 1195 "Decay time (in milliseconds) to re-enable bulk rebiasing of a " \ | |
| 1196 "type after previous bulk rebias") \ | |
| 1197 \ | |
| 1198 /* tracing */ \ | |
| 1199 \ | |
| 1200 notproduct(bool, TraceRuntimeCalls, false, \ | |
| 1201 "Trace run-time calls") \ | |
| 1202 \ | |
| 1203 develop(bool, TraceJNICalls, false, \ | |
| 1204 "Trace JNI calls") \ | |
| 1205 \ | |
| 1206 notproduct(bool, TraceJVMCalls, false, \ | |
| 1207 "Trace JVM calls") \ | |
| 1208 \ | |
|
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1209 product(ccstr, TraceJVMTI, NULL, \ |
| 0 | 1210 "Trace flags for JVMTI functions and events") \ |
| 1211 \ | |
| 1212 /* This option can change an EMCP method into an obsolete method. */ \ | |
| 1213 /* This can affect tests that except specific methods to be EMCP. */ \ | |
| 1214 /* This option should be used with caution. */ \ | |
| 1215 product(bool, StressLdcRewrite, false, \ | |
| 1216 "Force ldc -> ldc_w rewrite during RedefineClasses") \ | |
| 1217 \ | |
| 1218 product(intx, TraceRedefineClasses, 0, \ | |
| 1219 "Trace level for JVMTI RedefineClasses") \ | |
| 1220 \ | |
| 1574 | 1221 develop(bool, StressMethodComparator, false, \ |
| 1222 "run the MethodComparator on all loaded methods") \ | |
| 1223 \ | |
| 0 | 1224 /* change to false by default sometime after Mustang */ \ |
| 1225 product(bool, VerifyMergedCPBytecodes, true, \ | |
| 1226 "Verify bytecodes after RedefineClasses constant pool merging") \ | |
| 1227 \ | |
| 1228 develop(bool, TraceJNIHandleAllocation, false, \ | |
| 1229 "Trace allocation/deallocation of JNI handle blocks") \ | |
| 1230 \ | |
| 1231 develop(bool, TraceThreadEvents, false, \ | |
| 1232 "Trace all thread events") \ | |
| 1233 \ | |
| 1234 develop(bool, TraceBytecodes, false, \ | |
| 1235 "Trace bytecode execution") \ | |
| 1236 \ | |
| 1237 develop(bool, TraceClassInitialization, false, \ | |
| 1238 "Trace class initialization") \ | |
| 1239 \ | |
| 1240 develop(bool, TraceExceptions, false, \ | |
| 1241 "Trace exceptions") \ | |
| 1242 \ | |
| 1243 develop(bool, TraceICs, false, \ | |
| 1244 "Trace inline cache changes") \ | |
| 1245 \ | |
| 1246 notproduct(bool, TraceInvocationCounterOverflow, false, \ | |
| 1247 "Trace method invocation counter overflow") \ | |
| 1248 \ | |
| 1249 develop(bool, TraceInlineCacheClearing, false, \ | |
| 1250 "Trace clearing of inline caches in nmethods") \ | |
| 1251 \ | |
| 1252 develop(bool, TraceDependencies, false, \ | |
| 1253 "Trace dependencies") \ | |
| 1254 \ | |
| 1255 develop(bool, VerifyDependencies, trueInDebug, \ | |
| 1256 "Exercise and verify the compilation dependency mechanism") \ | |
| 1257 \ | |
| 1258 develop(bool, TraceNewOopMapGeneration, false, \ | |
| 1259 "Trace OopMapGeneration") \ | |
| 1260 \ | |
| 1261 develop(bool, TraceNewOopMapGenerationDetailed, false, \ | |
| 1262 "Trace OopMapGeneration: print detailed cell states") \ | |
| 1263 \ | |
| 1264 develop(bool, TimeOopMap, false, \ | |
| 1265 "Time calls to GenerateOopMap::compute_map() in sum") \ | |
| 1266 \ | |
| 1267 develop(bool, TimeOopMap2, false, \ | |
| 1268 "Time calls to GenerateOopMap::compute_map() individually") \ | |
| 1269 \ | |
| 1270 develop(bool, TraceMonitorMismatch, false, \ | |
| 1271 "Trace monitor matching failures during OopMapGeneration") \ | |
| 1272 \ | |
| 1273 develop(bool, TraceOopMapRewrites, false, \ | |
| 1274 "Trace rewritting of method oops during oop map generation") \ | |
| 1275 \ | |
| 1276 develop(bool, TraceSafepoint, false, \ | |
| 1277 "Trace safepoint operations") \ | |
| 1278 \ | |
| 1279 develop(bool, TraceICBuffer, false, \ | |
| 1280 "Trace usage of IC buffer") \ | |
| 1281 \ | |
| 1282 develop(bool, TraceCompiledIC, false, \ | |
| 1283 "Trace changes of compiled IC") \ | |
| 1284 \ | |
| 1285 notproduct(bool, TraceZapDeadLocals, false, \ | |
| 1286 "Trace zapping dead locals") \ | |
| 1287 \ | |
| 1288 develop(bool, TraceStartupTime, false, \ | |
| 1289 "Trace setup time") \ | |
| 1290 \ | |
| 1291 develop(bool, TraceProtectionDomainVerification, false, \ | |
| 1292 "Trace protection domain verifcation") \ | |
| 1293 \ | |
| 1294 develop(bool, TraceClearedExceptions, false, \ | |
| 1295 "Prints when an exception is forcibly cleared") \ | |
| 1296 \ | |
| 1297 product(bool, TraceClassResolution, false, \ | |
| 1298 "Trace all constant pool resolutions (for debugging)") \ | |
| 1299 \ | |
| 1300 product(bool, TraceBiasedLocking, false, \ | |
| 1301 "Trace biased locking in JVM") \ | |
| 1302 \ | |
| 1303 product(bool, TraceMonitorInflation, false, \ | |
| 1304 "Trace monitor inflation in JVM") \ | |
| 1305 \ | |
| 1306 /* gc */ \ | |
| 1307 \ | |
| 1308 product(bool, UseSerialGC, false, \ | |
|
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1309 "Use the serial garbage collector") \ |
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1310 \ |
|
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1311 product(bool, UseG1GC, false, \ |
|
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1312 "Use the Garbage-First garbage collector") \ |
| 0 | 1313 \ |
| 1314 product(bool, UseParallelGC, false, \ | |
| 1315 "Use the Parallel Scavenge garbage collector") \ | |
| 1316 \ | |
| 1317 product(bool, UseParallelOldGC, false, \ | |
| 1318 "Use the Parallel Old garbage collector") \ | |
| 1319 \ | |
| 1320 product(uintx, HeapMaximumCompactionInterval, 20, \ | |
| 1321 "How often should we maximally compact the heap (not allowing " \ | |
| 1322 "any dead space)") \ | |
| 1323 \ | |
| 1324 product(uintx, HeapFirstMaximumCompactionCount, 3, \ | |
| 1325 "The collection count for the first maximum compaction") \ | |
| 1326 \ | |
| 1327 product(bool, UseMaximumCompactionOnSystemGC, true, \ | |
| 1328 "In the Parallel Old garbage collector maximum compaction for " \ | |
| 1329 "a system GC") \ | |
| 1330 \ | |
| 1331 product(uintx, ParallelOldDeadWoodLimiterMean, 50, \ | |
| 1332 "The mean used by the par compact dead wood" \ | |
| 1333 "limiter (a number between 0-100).") \ | |
| 1334 \ | |
| 1335 product(uintx, ParallelOldDeadWoodLimiterStdDev, 80, \ | |
| 1336 "The standard deviation used by the par compact dead wood" \ | |
| 1337 "limiter (a number between 0-100).") \ | |
| 1338 \ | |
| 1339 product(uintx, ParallelGCThreads, 0, \ | |
| 1340 "Number of parallel threads parallel gc will use") \ | |
| 1341 \ | |
|
4095
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|
1342 product(bool, UseDynamicNumberOfGCThreads, false, \ |
|
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|
1343 "Dynamically choose the number of parallel threads " \ |
|
bca17e38de00
6593758: RFE: Enhance GC ergonomics to dynamically choose ParallelGCThreads
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diff
changeset
|
1344 "parallel gc will use") \ |
|
bca17e38de00
6593758: RFE: Enhance GC ergonomics to dynamically choose ParallelGCThreads
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4067
diff
changeset
|
1345 \ |
|
bca17e38de00
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diff
changeset
|
1346 diagnostic(bool, ForceDynamicNumberOfGCThreads, false, \ |
|
bca17e38de00
6593758: RFE: Enhance GC ergonomics to dynamically choose ParallelGCThreads
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diff
changeset
|
1347 "Force dynamic selection of the number of" \ |
|
bca17e38de00
6593758: RFE: Enhance GC ergonomics to dynamically choose ParallelGCThreads
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diff
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|
1348 "parallel threads parallel gc will use to aid debugging") \ |
|
bca17e38de00
6593758: RFE: Enhance GC ergonomics to dynamically choose ParallelGCThreads
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4067
diff
changeset
|
1349 \ |
|
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changeset
|
1350 product(uintx, HeapSizePerGCThread, ScaleForWordSize(64*M), \ |
|
bca17e38de00
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diff
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|
1351 "Size of heap (bytes) per GC thread used in calculating the " \ |
|
bca17e38de00
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diff
changeset
|
1352 "number of GC threads") \ |
|
bca17e38de00
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diff
changeset
|
1353 \ |
|
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diff
changeset
|
1354 product(bool, TraceDynamicGCThreads, false, \ |
|
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diff
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|
1355 "Trace the dynamic GC thread usage") \ |
|
bca17e38de00
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diff
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|
1356 \ |
|
483
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changeset
|
1357 develop(bool, ParallelOldGCSplitALot, false, \ |
|
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diff
changeset
|
1358 "Provoke splitting (copying data from a young gen space to" \ |
|
0f773163217d
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481
diff
changeset
|
1359 "multiple destination spaces)") \ |
|
0f773163217d
6765954: par compact - stress mode for splitting young gen spaces
jcoomes
parents:
481
diff
changeset
|
1360 \ |
|
0f773163217d
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parents:
481
diff
changeset
|
1361 develop(uintx, ParallelOldGCSplitInterval, 3, \ |
|
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481
diff
changeset
|
1362 "How often to provoke splitting a young gen space") \ |
| 0 | 1363 \ |
| 1284 | 1364 product(uintx, ConcGCThreads, 0, \ |
| 1365 "Number of threads concurrent gc will use") \ | |
|
342
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diff
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|
1366 \ |
| 0 | 1367 product(uintx, YoungPLABSize, 4096, \ |
| 1368 "Size of young gen promotion labs (in HeapWords)") \ | |
| 1369 \ | |
| 1370 product(uintx, OldPLABSize, 1024, \ | |
| 1371 "Size of old gen promotion labs (in HeapWords)") \ | |
| 1372 \ | |
| 1373 product(uintx, GCTaskTimeStampEntries, 200, \ | |
| 1374 "Number of time stamp entries per gc worker thread") \ | |
| 1375 \ | |
| 1376 product(bool, AlwaysTenure, false, \ | |
| 1377 "Always tenure objects in eden. (ParallelGC only)") \ | |
| 1378 \ | |
| 1379 product(bool, NeverTenure, false, \ | |
| 1064 | 1380 "Never tenure objects in eden, May tenure on overflow " \ |
| 1381 "(ParallelGC only)") \ | |
| 0 | 1382 \ |
| 1383 product(bool, ScavengeBeforeFullGC, true, \ | |
| 1064 | 1384 "Scavenge youngest generation before each full GC, " \ |
| 1385 "used with UseParallelGC") \ | |
| 0 | 1386 \ |
| 1387 develop(bool, ScavengeWithObjectsInToSpace, false, \ | |
| 1388 "Allow scavenges to occur when to_space contains objects.") \ | |
| 1389 \ | |
| 1390 product(bool, UseConcMarkSweepGC, false, \ | |
| 1391 "Use Concurrent Mark-Sweep GC in the old generation") \ | |
| 1392 \ | |
| 1393 product(bool, ExplicitGCInvokesConcurrent, false, \ | |
| 1394 "A System.gc() request invokes a concurrent collection;" \ | |
| 1395 " (effective only when UseConcMarkSweepGC)") \ | |
| 1396 \ | |
| 1397 product(bool, ExplicitGCInvokesConcurrentAndUnloadsClasses, false, \ | |
| 1064 | 1398 "A System.gc() request invokes a concurrent collection and " \ |
| 1399 "also unloads classes during such a concurrent gc cycle " \ | |
| 1400 "(effective only when UseConcMarkSweepGC)") \ | |
| 0 | 1401 \ |
|
1520
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6919638: CMS: ExplicitGCInvokesConcurrent misinteracts with gc locker
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diff
changeset
|
1402 product(bool, GCLockerInvokesConcurrent, false, \ |
|
bb843ebc7c55
6919638: CMS: ExplicitGCInvokesConcurrent misinteracts with gc locker
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parents:
1518
diff
changeset
|
1403 "The exit of a JNI CS necessitating a scavenge also" \ |
|
bb843ebc7c55
6919638: CMS: ExplicitGCInvokesConcurrent misinteracts with gc locker
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parents:
1518
diff
changeset
|
1404 " kicks off a bkgrd concurrent collection") \ |
|
bb843ebc7c55
6919638: CMS: ExplicitGCInvokesConcurrent misinteracts with gc locker
ysr
parents:
1518
diff
changeset
|
1405 \ |
|
1991
016a3628c885
6994056: G1: when GC locker is active, extend the Eden instead of allocating into the old gen
tonyp
parents:
1972
diff
changeset
|
1406 product(uintx, GCLockerEdenExpansionPercent, 5, \ |
|
016a3628c885
6994056: G1: when GC locker is active, extend the Eden instead of allocating into the old gen
tonyp
parents:
1972
diff
changeset
|
1407 "How much the GC can expand the eden by while the GC locker " \ |
|
016a3628c885
6994056: G1: when GC locker is active, extend the Eden instead of allocating into the old gen
tonyp
parents:
1972
diff
changeset
|
1408 "is active (as a percentage)") \ |
|
016a3628c885
6994056: G1: when GC locker is active, extend the Eden instead of allocating into the old gen
tonyp
parents:
1972
diff
changeset
|
1409 \ |
|
8853
2e093b564241
7014552: gc/lock/jni/jnilockXXX works too slow on 1-processor machine
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8706
diff
changeset
|
1410 diagnostic(intx, GCLockerRetryAllocationCount, 2, \ |
|
2e093b564241
7014552: gc/lock/jni/jnilockXXX works too slow on 1-processor machine
mgerdin
parents:
8706
diff
changeset
|
1411 "Number of times to retry allocations when" \ |
|
2e093b564241
7014552: gc/lock/jni/jnilockXXX works too slow on 1-processor machine
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parents:
8706
diff
changeset
|
1412 " blocked by the GC locker") \ |
|
2e093b564241
7014552: gc/lock/jni/jnilockXXX works too slow on 1-processor machine
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parents:
8706
diff
changeset
|
1413 \ |
| 0 | 1414 develop(bool, UseCMSAdaptiveFreeLists, true, \ |
| 1415 "Use Adaptive Free Lists in the CMS generation") \ | |
| 1416 \ | |
| 1417 develop(bool, UseAsyncConcMarkSweepGC, true, \ | |
| 1418 "Use Asynchronous Concurrent Mark-Sweep GC in the old generation")\ | |
| 1419 \ | |
| 1420 develop(bool, RotateCMSCollectionTypes, false, \ | |
| 1421 "Rotate the CMS collections among concurrent and STW") \ | |
| 1422 \ | |
| 1423 product(bool, UseCMSBestFit, true, \ | |
| 1424 "Use CMS best fit allocation strategy") \ | |
| 1425 \ | |
| 1426 product(bool, UseCMSCollectionPassing, true, \ | |
| 1427 "Use passing of collection from background to foreground") \ | |
| 1428 \ | |
| 1429 product(bool, UseParNewGC, false, \ | |
| 1430 "Use parallel threads in the new generation.") \ | |
| 1431 \ | |
| 1432 product(bool, ParallelGCVerbose, false, \ | |
| 1433 "Verbose output for parallel GC.") \ | |
| 1434 \ | |
| 1435 product(intx, ParallelGCBufferWastePct, 10, \ | |
| 1436 "wasted fraction of parallel allocation buffer.") \ | |
| 1437 \ | |
|
3357
fc2b798ab316
6883834: ParNew: assert(!_g->to()->is_in_reserved(obj),"Scanning field twice?") with LargeObjects tests
ysr
parents:
3325
diff
changeset
|
1438 diagnostic(bool, ParallelGCRetainPLAB, false, \ |
|
fc2b798ab316
6883834: ParNew: assert(!_g->to()->is_in_reserved(obj),"Scanning field twice?") with LargeObjects tests
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parents:
3325
diff
changeset
|
1439 "Retain parallel allocation buffers across scavenges; " \ |
|
fc2b798ab316
6883834: ParNew: assert(!_g->to()->is_in_reserved(obj),"Scanning field twice?") with LargeObjects tests
ysr
parents:
3325
diff
changeset
|
1440 " -- disabled because this currently conflicts with " \ |
|
fc2b798ab316
6883834: ParNew: assert(!_g->to()->is_in_reserved(obj),"Scanning field twice?") with LargeObjects tests
ysr
parents:
3325
diff
changeset
|
1441 " parallel card scanning under certain conditions ") \ |
| 0 | 1442 \ |
| 1443 product(intx, TargetPLABWastePct, 10, \ | |
| 1444 "target wasted space in last buffer as pct of overall allocation")\ | |
| 1445 \ | |
| 1446 product(uintx, PLABWeight, 75, \ | |
| 1447 "Percentage (0-100) used to weight the current sample when" \ | |
| 1448 "computing exponentially decaying average for ResizePLAB.") \ | |
| 1449 \ | |
| 1450 product(bool, ResizePLAB, true, \ | |
| 1451 "Dynamically resize (survivor space) promotion labs") \ | |
| 1452 \ | |
| 1453 product(bool, PrintPLAB, false, \ | |
| 1454 "Print (survivor space) promotion labs sizing decisions") \ | |
| 1455 \ | |
| 1456 product(intx, ParGCArrayScanChunk, 50, \ | |
| 1457 "Scan a subset and push remainder, if array is bigger than this") \ | |
| 1458 \ | |
| 695 | 1459 product(bool, ParGCUseLocalOverflow, false, \ |
| 1460 "Instead of a global overflow list, use local overflow stacks") \ | |
| 1461 \ | |
|
679
cea947c8a988
6819891: ParNew: Fix work queue overflow code to deal correctly with +UseCompressedOops
ysr
parents:
647
diff
changeset
|
1462 product(bool, ParGCTrimOverflow, true, \ |
| 695 | 1463 "Eagerly trim the local overflow lists (when ParGCUseLocalOverflow") \ |
|
679
cea947c8a988
6819891: ParNew: Fix work queue overflow code to deal correctly with +UseCompressedOops
ysr
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647
diff
changeset
|
1464 \ |
| 534 | 1465 notproduct(bool, ParGCWorkQueueOverflowALot, false, \ |
| 1466 "Whether we should simulate work queue overflow in ParNew") \ | |
| 1467 \ | |
| 1468 notproduct(uintx, ParGCWorkQueueOverflowInterval, 1000, \ | |
| 1064 | 1469 "An `interval' counter that determines how frequently " \ |
| 1470 "we simulate overflow; a smaller number increases frequency") \ | |
| 534 | 1471 \ |
| 1472 product(uintx, ParGCDesiredObjsFromOverflowList, 20, \ | |
| 0 | 1473 "The desired number of objects to claim from the overflow list") \ |
| 1474 \ | |
|
4728
441e946dc1af
7121618: Change type of number of GC workers to unsigned int.
jmasa
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4125
diff
changeset
|
1475 diagnostic(uintx, ParGCStridesPerThread, 2, \ |
|
3357
fc2b798ab316
6883834: ParNew: assert(!_g->to()->is_in_reserved(obj),"Scanning field twice?") with LargeObjects tests
ysr
parents:
3325
diff
changeset
|
1476 "The number of strides per worker thread that we divide up the " \ |
|
fc2b798ab316
6883834: ParNew: assert(!_g->to()->is_in_reserved(obj),"Scanning field twice?") with LargeObjects tests
ysr
parents:
3325
diff
changeset
|
1477 "card table scanning work into") \ |
|
fc2b798ab316
6883834: ParNew: assert(!_g->to()->is_in_reserved(obj),"Scanning field twice?") with LargeObjects tests
ysr
parents:
3325
diff
changeset
|
1478 \ |
|
fc2b798ab316
6883834: ParNew: assert(!_g->to()->is_in_reserved(obj),"Scanning field twice?") with LargeObjects tests
ysr
parents:
3325
diff
changeset
|
1479 diagnostic(intx, ParGCCardsPerStrideChunk, 256, \ |
|
fc2b798ab316
6883834: ParNew: assert(!_g->to()->is_in_reserved(obj),"Scanning field twice?") with LargeObjects tests
ysr
parents:
3325
diff
changeset
|
1480 "The number of cards in each chunk of the parallel chunks used " \ |
|
fc2b798ab316
6883834: ParNew: assert(!_g->to()->is_in_reserved(obj),"Scanning field twice?") with LargeObjects tests
ysr
parents:
3325
diff
changeset
|
1481 "during card table scanning") \ |
|
fc2b798ab316
6883834: ParNew: assert(!_g->to()->is_in_reserved(obj),"Scanning field twice?") with LargeObjects tests
ysr
parents:
3325
diff
changeset
|
1482 \ |
|
fc2b798ab316
6883834: ParNew: assert(!_g->to()->is_in_reserved(obj),"Scanning field twice?") with LargeObjects tests
ysr
parents:
3325
diff
changeset
|
1483 product(uintx, CMSParPromoteBlocksToClaim, 16, \ |
| 0 | 1484 "Number of blocks to attempt to claim when refilling CMS LAB for "\ |
| 1485 "parallel GC.") \ | |
| 1486 \ | |
|
1145
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diff
changeset
|
1487 product(uintx, OldPLABWeight, 50, \ |
|
e018e6884bd8
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diff
changeset
|
1488 "Percentage (0-100) used to weight the current sample when" \ |
|
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
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parents:
1064
diff
changeset
|
1489 "computing exponentially decaying average for resizing CMSParPromoteBlocksToClaim.") \ |
|
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
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parents:
1064
diff
changeset
|
1490 \ |
|
e018e6884bd8
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parents:
1064
diff
changeset
|
1491 product(bool, ResizeOldPLAB, true, \ |
|
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
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parents:
1064
diff
changeset
|
1492 "Dynamically resize (old gen) promotion labs") \ |
|
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
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1064
diff
changeset
|
1493 \ |
|
e018e6884bd8
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parents:
1064
diff
changeset
|
1494 product(bool, PrintOldPLAB, false, \ |
|
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
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parents:
1064
diff
changeset
|
1495 "Print (old gen) promotion labs sizing decisions") \ |
|
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
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diff
changeset
|
1496 \ |
|
e018e6884bd8
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1064
diff
changeset
|
1497 product(uintx, CMSOldPLABMin, 16, \ |
|
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
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diff
changeset
|
1498 "Min size of CMS gen promotion lab caches per worker per blksize")\ |
|
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1064
diff
changeset
|
1499 \ |
|
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1064
diff
changeset
|
1500 product(uintx, CMSOldPLABMax, 1024, \ |
|
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
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parents:
1064
diff
changeset
|
1501 "Max size of CMS gen promotion lab caches per worker per blksize")\ |
|
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
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parents:
1064
diff
changeset
|
1502 \ |
|
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1064
diff
changeset
|
1503 product(uintx, CMSOldPLABNumRefills, 4, \ |
|
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
ysr
parents:
1064
diff
changeset
|
1504 "Nominal number of refills of CMS gen promotion lab cache" \ |
|
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
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parents:
1064
diff
changeset
|
1505 " per worker per block size") \ |
|
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
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parents:
1064
diff
changeset
|
1506 \ |
|
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
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parents:
1064
diff
changeset
|
1507 product(bool, CMSOldPLABResizeQuicker, false, \ |
|
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
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1064
diff
changeset
|
1508 "Whether to react on-the-fly during a scavenge to a sudden" \ |
|
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
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1064
diff
changeset
|
1509 " change in block demand rate") \ |
|
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
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1064
diff
changeset
|
1510 \ |
|
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diff
changeset
|
1511 product(uintx, CMSOldPLABToleranceFactor, 4, \ |
|
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
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1064
diff
changeset
|
1512 "The tolerance of the phase-change detector for on-the-fly" \ |
|
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6631166: CMS: better heuristics when combatting fragmentation
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1064
diff
changeset
|
1513 " PLAB resizing during a scavenge") \ |
|
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
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parents:
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diff
changeset
|
1514 \ |
|
e018e6884bd8
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1064
diff
changeset
|
1515 product(uintx, CMSOldPLABReactivityFactor, 2, \ |
|
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
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1064
diff
changeset
|
1516 "The gain in the feedback loop for on-the-fly PLAB resizing" \ |
|
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
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1064
diff
changeset
|
1517 " during a scavenge") \ |
|
e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
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changeset
|
1518 \ |
| 0 | 1519 product(bool, AlwaysPreTouch, false, \ |
| 1520 "It forces all freshly committed pages to be pre-touched.") \ | |
| 1521 \ | |
|
2368
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
ysr
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2362
diff
changeset
|
1522 product_pd(intx, CMSYoungGenPerWorker, \ |
|
dde920245681
6896099: Integrate CMS heap ergo with default heap sizing ergo
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2362
diff
changeset
|
1523 "The maximum size of young gen chosen by default per GC worker " \ |
| 1064 | 1524 "thread available") \ |
| 0 | 1525 \ |
| 1526 product(bool, CMSIncrementalMode, false, \ | |
| 1527 "Whether CMS GC should operate in \"incremental\" mode") \ | |
| 1528 \ | |
| 1529 product(uintx, CMSIncrementalDutyCycle, 10, \ | |
| 1530 "CMS incremental mode duty cycle (a percentage, 0-100). If" \ | |
| 1531 "CMSIncrementalPacing is enabled, then this is just the initial" \ | |
| 1532 "value") \ | |
| 1533 \ | |
| 1534 product(bool, CMSIncrementalPacing, true, \ | |
| 1535 "Whether the CMS incremental mode duty cycle should be " \ | |
| 1536 "automatically adjusted") \ | |
| 1537 \ | |
| 1538 product(uintx, CMSIncrementalDutyCycleMin, 0, \ | |
| 1064 | 1539 "Lower bound on the duty cycle when CMSIncrementalPacing is " \ |
| 1540 "enabled (a percentage, 0-100)") \ | |
| 0 | 1541 \ |
| 1542 product(uintx, CMSIncrementalSafetyFactor, 10, \ | |
| 1064 | 1543 "Percentage (0-100) used to add conservatism when computing the " \ |
| 1544 "duty cycle") \ | |
| 0 | 1545 \ |
| 1546 product(uintx, CMSIncrementalOffset, 0, \ | |
| 1547 "Percentage (0-100) by which the CMS incremental mode duty cycle" \ | |
| 1064 | 1548 " is shifted to the right within the period between young GCs") \ |
| 0 | 1549 \ |
|
1145
e018e6884bd8
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changeset
|
1550 product(uintx, CMSExpAvgFactor, 50, \ |
|
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1551 "Percentage (0-100) used to weight the current sample when" \ |
|
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1552 "computing exponential averages for CMS statistics.") \ |
|
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|
1553 \ |
|
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1554 product(uintx, CMS_FLSWeight, 75, \ |
|
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1555 "Percentage (0-100) used to weight the current sample when" \ |
|
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1556 "computing exponentially decating averages for CMS FLS statistics.") \ |
|
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|
1557 \ |
|
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1558 product(uintx, CMS_FLSPadding, 1, \ |
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1559 "The multiple of deviation from mean to use for buffering" \ |
| 0 | 1560 "against volatility in free list demand.") \ |
| 1561 \ | |
| 1562 product(uintx, FLSCoalescePolicy, 2, \ | |
| 1563 "CMS: Aggression level for coalescing, increasing from 0 to 4") \ | |
| 1564 \ | |
|
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1565 product(bool, FLSAlwaysCoalesceLarge, false, \ |
|
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1566 "CMS: Larger free blocks are always available for coalescing") \ |
|
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1567 \ |
|
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1568 product(double, FLSLargestBlockCoalesceProximity, 0.99, \ |
|
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1569 "CMS: the smaller the percentage the greater the coalition force")\ |
|
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1570 \ |
|
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1571 product(double, CMSSmallCoalSurplusPercent, 1.05, \ |
|
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1572 "CMS: the factor by which to inflate estimated demand of small" \ |
|
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1573 " block sizes to prevent coalescing with an adjoining block") \ |
|
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|
1574 \ |
|
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1575 product(double, CMSLargeCoalSurplusPercent, 0.95, \ |
|
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1576 "CMS: the factor by which to inflate estimated demand of large" \ |
|
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|
1577 " block sizes to prevent coalescing with an adjoining block") \ |
|
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|
1578 \ |
|
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1579 product(double, CMSSmallSplitSurplusPercent, 1.10, \ |
|
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1580 "CMS: the factor by which to inflate estimated demand of small" \ |
|
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|
1581 " block sizes to prevent splitting to supply demand for smaller" \ |
|
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|
1582 " blocks") \ |
|
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|
1583 \ |
|
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1584 product(double, CMSLargeSplitSurplusPercent, 1.00, \ |
|
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1585 "CMS: the factor by which to inflate estimated demand of large" \ |
|
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|
1586 " block sizes to prevent splitting to supply demand for smaller" \ |
|
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|
1587 " blocks") \ |
|
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|
1588 \ |
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|
1589 product(bool, CMSExtrapolateSweep, false, \ |
|
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1590 "CMS: cushion for block demand during sweep") \ |
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|
1591 \ |
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1592 product(uintx, CMS_SweepWeight, 75, \ |
| 1064 | 1593 "Percentage (0-100) used to weight the current sample when " \ |
| 1594 "computing exponentially decaying average for inter-sweep " \ | |
| 1595 "duration") \ | |
| 0 | 1596 \ |
|
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1597 product(uintx, CMS_SweepPadding, 1, \ |
| 1064 | 1598 "The multiple of deviation from mean to use for buffering " \ |
| 0 | 1599 "against volatility in inter-sweep duration.") \ |
| 1600 \ | |
| 1601 product(uintx, CMS_SweepTimerThresholdMillis, 10, \ | |
| 1602 "Skip block flux-rate sampling for an epoch unless inter-sweep " \ | |
| 1064 | 1603 "duration exceeds this threhold in milliseconds") \ |
| 0 | 1604 \ |
| 1605 develop(bool, CMSTraceIncrementalMode, false, \ | |
| 1606 "Trace CMS incremental mode") \ | |
| 1607 \ | |
| 1608 develop(bool, CMSTraceIncrementalPacing, false, \ | |
| 1609 "Trace CMS incremental mode pacing computation") \ | |
| 1610 \ | |
| 1611 develop(bool, CMSTraceThreadState, false, \ | |
| 1612 "Trace the CMS thread state (enable the trace_state() method)") \ | |
| 1613 \ | |
|
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1614 product(bool, CMSClassUnloadingEnabled, true, \ |
| 0 | 1615 "Whether class unloading enabled when using CMS GC") \ |
| 1616 \ | |
|
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1617 product(uintx, CMSClassUnloadingMaxInterval, 0, \ |
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|
1618 "When CMS class unloading is enabled, the maximum CMS cycle count"\ |
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1619 " for which classes may not be unloaded") \ |
|
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|
1620 \ |
| 0 | 1621 product(bool, CMSCompactWhenClearAllSoftRefs, true, \ |
| 1622 "Compact when asked to collect CMS gen with clear_all_soft_refs") \ | |
| 1623 \ | |
| 1624 product(bool, UseCMSCompactAtFullCollection, true, \ | |
| 1625 "Use mark sweep compact at full collections") \ | |
| 1626 \ | |
| 1627 product(uintx, CMSFullGCsBeforeCompaction, 0, \ | |
| 1628 "Number of CMS full collection done before compaction if > 0") \ | |
| 1629 \ | |
| 1630 develop(intx, CMSDictionaryChoice, 0, \ | |
| 1631 "Use BinaryTreeDictionary as default in the CMS generation") \ | |
| 1632 \ | |
| 1633 product(uintx, CMSIndexedFreeListReplenish, 4, \ | |
| 6818 | 1634 "Replenish an indexed free list with this number of chunks") \ |
| 0 | 1635 \ |
|
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1636 product(bool, CMSReplenishIntermediate, true, \ |
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1637 "Replenish all intermediate free-list caches") \ |
|
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|
1638 \ |
|
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1639 product(bool, CMSSplitIndexedFreeListBlocks, true, \ |
|
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1640 "When satisfying batched demand, split blocks from the " \ |
|
1145
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1641 "IndexedFreeList whose size is a multiple of requested size") \ |
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1642 \ |
| 0 | 1643 product(bool, CMSLoopWarn, false, \ |
| 1644 "Warn in case of excessive CMS looping") \ | |
| 1645 \ | |
| 1646 develop(bool, CMSOverflowEarlyRestoration, false, \ | |
| 1647 "Whether preserved marks should be restored early") \ | |
| 1648 \ | |
| 1284 | 1649 product(uintx, MarkStackSize, NOT_LP64(32*K) LP64_ONLY(4*M), \ |
| 1650 "Size of marking stack") \ | |
| 1651 \ | |
| 1652 product(uintx, MarkStackSizeMax, NOT_LP64(4*M) LP64_ONLY(512*M), \ | |
| 1653 "Max size of marking stack") \ | |
| 0 | 1654 \ |
| 1655 notproduct(bool, CMSMarkStackOverflowALot, false, \ | |
| 1656 "Whether we should simulate frequent marking stack / work queue" \ | |
| 1657 " overflow") \ | |
| 1658 \ | |
| 534 | 1659 notproduct(uintx, CMSMarkStackOverflowInterval, 1000, \ |
| 1660 "An `interval' counter that determines how frequently" \ | |
| 0 | 1661 " we simulate overflow; a smaller number increases frequency") \ |
| 1662 \ | |
| 1663 product(uintx, CMSMaxAbortablePrecleanLoops, 0, \ | |
| 1664 "(Temporary, subject to experimentation)" \ | |
| 1665 "Maximum number of abortable preclean iterations, if > 0") \ | |
| 1666 \ | |
| 1667 product(intx, CMSMaxAbortablePrecleanTime, 5000, \ | |
| 1668 "(Temporary, subject to experimentation)" \ | |
| 1669 "Maximum time in abortable preclean in ms") \ | |
| 1670 \ | |
| 1671 product(uintx, CMSAbortablePrecleanMinWorkPerIteration, 100, \ | |
| 1672 "(Temporary, subject to experimentation)" \ | |
| 1673 "Nominal minimum work per abortable preclean iteration") \ | |
| 1674 \ | |
|
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1675 manageable(intx, CMSAbortablePrecleanWaitMillis, 100, \ |
| 0 | 1676 "(Temporary, subject to experimentation)" \ |
| 1677 " Time that we sleep between iterations when not given" \ | |
| 1678 " enough work per iteration") \ | |
| 1679 \ | |
| 1680 product(uintx, CMSRescanMultiple, 32, \ | |
| 1681 "Size (in cards) of CMS parallel rescan task") \ | |
| 1682 \ | |
| 1683 product(uintx, CMSConcMarkMultiple, 32, \ | |
| 1684 "Size (in cards) of CMS concurrent MT marking task") \ | |
| 1685 \ | |
| 1686 product(bool, CMSAbortSemantics, false, \ | |
| 1687 "Whether abort-on-overflow semantics is implemented") \ | |
| 1688 \ | |
| 1689 product(bool, CMSParallelRemarkEnabled, true, \ | |
| 1690 "Whether parallel remark enabled (only if ParNewGC)") \ | |
| 1691 \ | |
| 1692 product(bool, CMSParallelSurvivorRemarkEnabled, true, \ | |
| 1693 "Whether parallel remark of survivor space" \ | |
| 1694 " enabled (effective only if CMSParallelRemarkEnabled)") \ | |
| 1695 \ | |
| 1696 product(bool, CMSPLABRecordAlways, true, \ | |
| 1697 "Whether to always record survivor space PLAB bdries" \ | |
| 1698 " (effective only if CMSParallelSurvivorRemarkEnabled)") \ | |
| 1699 \ | |
| 1700 product(bool, CMSConcurrentMTEnabled, true, \ | |
| 1701 "Whether multi-threaded concurrent work enabled (if ParNewGC)") \ | |
| 1702 \ | |
| 1703 product(bool, CMSPrecleaningEnabled, true, \ | |
| 1704 "Whether concurrent precleaning enabled") \ | |
| 1705 \ | |
| 1706 product(uintx, CMSPrecleanIter, 3, \ | |
| 1707 "Maximum number of precleaning iteration passes") \ | |
| 1708 \ | |
| 1709 product(uintx, CMSPrecleanNumerator, 2, \ | |
| 1710 "CMSPrecleanNumerator:CMSPrecleanDenominator yields convergence" \ | |
| 1711 " ratio") \ | |
| 1712 \ | |
| 1713 product(uintx, CMSPrecleanDenominator, 3, \ | |
| 1714 "CMSPrecleanNumerator:CMSPrecleanDenominator yields convergence" \ | |
| 1715 " ratio") \ | |
| 1716 \ | |
|
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1717 product(bool, CMSPrecleanRefLists1, true, \ |
| 0 | 1718 "Preclean ref lists during (initial) preclean phase") \ |
| 1719 \ | |
| 1720 product(bool, CMSPrecleanRefLists2, false, \ | |
| 1721 "Preclean ref lists during abortable preclean phase") \ | |
| 1722 \ | |
| 1723 product(bool, CMSPrecleanSurvivors1, false, \ | |
| 1724 "Preclean survivors during (initial) preclean phase") \ | |
| 1725 \ | |
| 1726 product(bool, CMSPrecleanSurvivors2, true, \ | |
| 1727 "Preclean survivors during abortable preclean phase") \ | |
| 1728 \ | |
| 1729 product(uintx, CMSPrecleanThreshold, 1000, \ | |
| 1730 "Don't re-iterate if #dirty cards less than this") \ | |
| 1731 \ | |
| 1732 product(bool, CMSCleanOnEnter, true, \ | |
| 1733 "Clean-on-enter optimization for reducing number of dirty cards") \ | |
| 1734 \ | |
| 1735 product(uintx, CMSRemarkVerifyVariant, 1, \ | |
| 1736 "Choose variant (1,2) of verification following remark") \ | |
| 1737 \ | |
| 1738 product(uintx, CMSScheduleRemarkEdenSizeThreshold, 2*M, \ | |
| 1739 "If Eden used is below this value, don't try to schedule remark") \ | |
| 1740 \ | |
| 1741 product(uintx, CMSScheduleRemarkEdenPenetration, 50, \ | |
| 1742 "The Eden occupancy % at which to try and schedule remark pause") \ | |
| 1743 \ | |
| 1744 product(uintx, CMSScheduleRemarkSamplingRatio, 5, \ | |
| 1745 "Start sampling Eden top at least before yg occupancy reaches" \ | |
| 1746 " 1/<ratio> of the size at which we plan to schedule remark") \ | |
| 1747 \ | |
| 1748 product(uintx, CMSSamplingGrain, 16*K, \ | |
| 1749 "The minimum distance between eden samples for CMS (see above)") \ | |
| 1750 \ | |
| 1751 product(bool, CMSScavengeBeforeRemark, false, \ | |
| 1752 "Attempt scavenge before the CMS remark step") \ | |
| 1753 \ | |
| 1754 develop(bool, CMSTraceSweeper, false, \ | |
| 1755 "Trace some actions of the CMS sweeper") \ | |
| 1756 \ | |
| 1757 product(uintx, CMSWorkQueueDrainThreshold, 10, \ | |
| 1758 "Don't drain below this size per parallel worker/thief") \ | |
| 1759 \ | |
|
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1760 manageable(intx, CMSWaitDuration, 2000, \ |
| 0 | 1761 "Time in milliseconds that CMS thread waits for young GC") \ |
| 1762 \ | |
|
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1763 develop(uintx, CMSCheckInterval, 1000, \ |
|
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1764 "Interval in milliseconds that CMS thread checks if it " \ |
|
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1765 "should start a collection cycle") \ |
|
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|
1766 \ |
| 0 | 1767 product(bool, CMSYield, true, \ |
| 1768 "Yield between steps of concurrent mark & sweep") \ | |
| 1769 \ | |
| 1770 product(uintx, CMSBitMapYieldQuantum, 10*M, \ | |
| 1771 "Bitmap operations should process at most this many bits" \ | |
| 1772 "between yields") \ | |
| 1773 \ | |
|
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1774 product(bool, CMSDumpAtPromotionFailure, false, \ |
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1775 "Dump useful information about the state of the CMS old " \ |
|
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|
1776 " generation upon a promotion failure.") \ |
|
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|
1777 \ |
|
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1778 product(bool, CMSPrintChunksInDump, false, \ |
|
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|
1779 "In a dump enabled by CMSDumpAtPromotionFailure, include " \ |
|
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|
1780 " more detailed information about the free chunks.") \ |
|
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|
1781 \ |
|
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|
1782 product(bool, CMSPrintObjectsInDump, false, \ |
|
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|
1783 "In a dump enabled by CMSDumpAtPromotionFailure, include " \ |
|
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1784 " more detailed information about the allocated objects.") \ |
|
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|
1785 \ |
| 0 | 1786 diagnostic(bool, FLSVerifyAllHeapReferences, false, \ |
| 1787 "Verify that all refs across the FLS boundary " \ | |
| 1788 " are to valid objects") \ | |
| 1789 \ | |
| 1790 diagnostic(bool, FLSVerifyLists, false, \ | |
| 1791 "Do lots of (expensive) FreeListSpace verification") \ | |
| 1792 \ | |
| 1793 diagnostic(bool, FLSVerifyIndexTable, false, \ | |
| 1794 "Do lots of (expensive) FLS index table verification") \ | |
| 1795 \ | |
| 1796 develop(bool, FLSVerifyDictionary, false, \ | |
| 1797 "Do lots of (expensive) FLS dictionary verification") \ | |
| 1798 \ | |
| 1799 develop(bool, VerifyBlockOffsetArray, false, \ | |
| 1800 "Do (expensive!) block offset array verification") \ | |
| 1801 \ | |
|
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1802 diagnostic(bool, BlockOffsetArrayUseUnallocatedBlock, false, \ |
| 0 | 1803 "Maintain _unallocated_block in BlockOffsetArray" \ |
| 1804 " (currently applicable only to CMS collector)") \ | |
| 1805 \ | |
| 1806 develop(bool, TraceCMSState, false, \ | |
| 1807 "Trace the state of the CMS collection") \ | |
| 1808 \ | |
| 1809 product(intx, RefDiscoveryPolicy, 0, \ | |
| 1810 "Whether reference-based(0) or referent-based(1)") \ | |
| 1811 \ | |
| 1812 product(bool, ParallelRefProcEnabled, false, \ | |
| 1813 "Enable parallel reference processing whenever possible") \ | |
| 1814 \ | |
| 1815 product(bool, ParallelRefProcBalancingEnabled, true, \ | |
| 1816 "Enable balancing of reference processing queues") \ | |
| 1817 \ | |
| 8035 | 1818 product(uintx, CMSTriggerRatio, 80, \ |
| 0 | 1819 "Percentage of MinHeapFreeRatio in CMS generation that is " \ |
| 1064 | 1820 "allocated before a CMS collection cycle commences") \ |
| 0 | 1821 \ |
|
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|
1822 product(uintx, CMSBootstrapOccupancy, 50, \ |
| 0 | 1823 "Percentage CMS generation occupancy at which to " \ |
| 1064 | 1824 "initiate CMS collection for bootstrapping collection stats") \ |
| 0 | 1825 \ |
| 1826 product(intx, CMSInitiatingOccupancyFraction, -1, \ | |
| 1827 "Percentage CMS generation occupancy to start a CMS collection " \ | |
| 1064 | 1828 "cycle. A negative value means that CMSTriggerRatio is used") \ |
|
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|
1829 \ |
|
1283
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1830 product(uintx, InitiatingHeapOccupancyPercent, 45, \ |
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1831 "Percentage of the (entire) heap occupancy to start a " \ |
|
8034
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1832 "concurrent GC cycle. It is used by GCs that trigger a " \ |
|
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1833 "concurrent GC cycle based on the occupancy of the entire heap, " \ |
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1834 "not just one of the generations (e.g., G1). A value of 0 " \ |
|
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1835 "denotes 'do constant GC cycles'.") \ |
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|
1836 \ |
| 0 | 1837 product(bool, UseCMSInitiatingOccupancyOnly, false, \ |
| 1838 "Only use occupancy as a crierion for starting a CMS collection") \ | |
| 1839 \ | |
|
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1840 product(intx, CMSIsTooFullPercentage, 98, \ |
| 1064 | 1841 "An absolute ceiling above which CMS will always consider the " \ |
|
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1842 "unloading of classes when class unloading is enabled") \ |
|
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|
1843 \ |
| 0 | 1844 develop(bool, CMSTestInFreeList, false, \ |
| 1845 "Check if the coalesced range is already in the " \ | |
| 1064 | 1846 "free lists as claimed") \ |
| 0 | 1847 \ |
| 1848 notproduct(bool, CMSVerifyReturnedBytes, false, \ | |
| 1849 "Check that all the garbage collected was returned to the " \ | |
| 1850 "free lists.") \ | |
| 1851 \ | |
| 1852 notproduct(bool, ScavengeALot, false, \ | |
| 1853 "Force scavenge at every Nth exit from the runtime system " \ | |
| 1854 "(N=ScavengeALotInterval)") \ | |
| 1855 \ | |
| 1856 develop(bool, FullGCALot, false, \ | |
| 1857 "Force full gc at every Nth exit from the runtime system " \ | |
| 1858 "(N=FullGCALotInterval)") \ | |
| 1859 \ | |
| 1860 notproduct(bool, GCALotAtAllSafepoints, false, \ | |
| 1861 "Enforce ScavengeALot/GCALot at all potential safepoints") \ | |
| 1862 \ | |
|
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1863 product(bool, PrintPromotionFailure, false, \ |
|
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|
1864 "Print additional diagnostic information following " \ |
|
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1865 " promotion failure") \ |
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1866 \ |
| 0 | 1867 notproduct(bool, PromotionFailureALot, false, \ |
| 1868 "Use promotion failure handling on every youngest generation " \ | |
| 1869 "collection") \ | |
| 1870 \ | |
| 1871 develop(uintx, PromotionFailureALotCount, 1000, \ | |
| 1872 "Number of promotion failures occurring at ParGCAllocBuffer" \ | |
| 1873 "refill attempts (ParNew) or promotion attempts " \ | |
| 1874 "(other young collectors) ") \ | |
| 1875 \ | |
| 1876 develop(uintx, PromotionFailureALotInterval, 5, \ | |
| 1877 "Total collections between promotion failures alot") \ | |
| 1878 \ | |
|
1837
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|
1879 experimental(intx, WorkStealingSleepMillis, 1, \ |
| 0 | 1880 "Sleep time when sleep is used for yields") \ |
| 1881 \ | |
| 2430 | 1882 experimental(uintx, WorkStealingYieldsBeforeSleep, 5000, \ |
| 0 | 1883 "Number of yields before a sleep is done during workstealing") \ |
| 1884 \ | |
|
1837
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1885 experimental(uintx, WorkStealingHardSpins, 4096, \ |
|
546
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1886 "Number of iterations in a spin loop between checks on " \ |
|
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1887 "time out of hard spin") \ |
|
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1888 \ |
|
1837
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1889 experimental(uintx, WorkStealingSpinToYieldRatio, 10, \ |
|
546
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1890 "Ratio of hard spins to calls to yield") \ |
|
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1891 \ |
|
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1892 develop(uintx, ObjArrayMarkingStride, 512, \ |
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1893 "Number of ObjArray elements to push onto the marking stack" \ |
|
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1894 "before pushing a continuation entry") \ |
|
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1895 \ |
|
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1896 develop(bool, MetadataAllocationFailALot, false, \ |
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1897 "Fail metadata allocations at intervals controlled by " \ |
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1898 "MetadataAllocationFailALotInterval") \ |
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1899 \ |
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1900 develop(uintx, MetadataAllocationFailALotInterval, 1000, \ |
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1901 "metadata allocation failure alot interval") \ |
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1902 \ |
|
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1903 develop(bool, MetaDataDeallocateALot, false, \ |
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1904 "Deallocation bunches of metadata at intervals controlled by " \ |
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1905 "MetaDataAllocateALotInterval") \ |
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1906 \ |
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1907 develop(uintx, MetaDataDeallocateALotInterval, 100, \ |
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1908 "Metadata deallocation alot interval") \ |
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1909 \ |
|
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1910 develop(bool, TraceMetadataChunkAllocation, false, \ |
|
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1911 "Trace chunk metadata allocations") \ |
|
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1912 \ |
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1913 product(bool, TraceMetadataHumongousAllocation, false, \ |
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1914 "Trace humongous metadata allocations") \ |
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1915 \ |
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1916 develop(bool, TraceMetavirtualspaceAllocation, false, \ |
|
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1917 "Trace virtual space metadata allocations") \ |
|
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1918 \ |
| 3779 | 1919 notproduct(bool, ExecuteInternalVMTests, false, \ |
| 1920 "Enable execution of internal VM tests.") \ | |
| 1921 \ | |
| 0 | 1922 product_pd(bool, UseTLAB, "Use thread-local object allocation") \ |
| 1923 \ | |
| 1924 product_pd(bool, ResizeTLAB, \ | |
| 1925 "Dynamically resize tlab size for threads") \ | |
| 1926 \ | |
| 1927 product(bool, ZeroTLAB, false, \ | |
| 1928 "Zero out the newly created TLAB") \ | |
| 1929 \ | |
|
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1930 product(bool, FastTLABRefill, true, \ |
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|
1931 "Use fast TLAB refill code") \ |
|
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|
1932 \ |
| 0 | 1933 product(bool, PrintTLAB, false, \ |
| 1934 "Print various TLAB related information") \ | |
| 1935 \ | |
| 1936 product(bool, TLABStats, true, \ | |
| 1937 "Print various TLAB related information") \ | |
| 1938 \ | |
|
2192
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1939 EMBEDDED_ONLY(product(bool, LowMemoryProtection, true, \ |
|
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1940 "Enable LowMemoryProtection")) \ |
|
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|
1941 \ |
| 0 | 1942 product_pd(bool, NeverActAsServerClassMachine, \ |
| 1943 "Never act like a server-class machine") \ | |
| 1944 \ | |
| 1945 product(bool, AlwaysActAsServerClassMachine, false, \ | |
| 1946 "Always act like a server-class machine") \ | |
| 1947 \ | |
| 1064 | 1948 product_pd(uint64_t, MaxRAM, \ |
| 1949 "Real memory size (in bytes) used to set maximum heap size") \ | |
| 1950 \ | |
| 1951 product(uintx, ErgoHeapSizeLimit, 0, \ | |
| 1952 "Maximum ergonomically set heap size (in bytes); zero means use " \ | |
| 1953 "MaxRAM / MaxRAMFraction") \ | |
| 1954 \ | |
| 1955 product(uintx, MaxRAMFraction, 4, \ | |
| 1956 "Maximum fraction (1/n) of real memory used for maximum heap " \ | |
| 1957 "size") \ | |
| 0 | 1958 \ |
| 1959 product(uintx, DefaultMaxRAMFraction, 4, \ | |
| 1064 | 1960 "Maximum fraction (1/n) of real memory used for maximum heap " \ |
| 1961 "size; deprecated: to be renamed to MaxRAMFraction") \ | |
| 1962 \ | |
| 1963 product(uintx, MinRAMFraction, 2, \ | |
| 1964 "Minimum fraction (1/n) of real memory used for maxmimum heap " \ | |
| 1965 "size on systems with small physical memory size") \ | |
| 1966 \ | |
| 1967 product(uintx, InitialRAMFraction, 64, \ | |
| 1968 "Fraction (1/n) of real memory used for initial heap size") \ | |
| 0 | 1969 \ |
|
8854
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1970 develop(uintx, MaxVirtMemFraction, 2, \ |
|
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1971 "Maximum fraction (1/n) of virtual memory used for ergonomically" \ |
|
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1972 "determining maximum heap size") \ |
|
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|
1973 \ |
| 0 | 1974 product(bool, UseAutoGCSelectPolicy, false, \ |
| 1975 "Use automatic collection selection policy") \ | |
| 1976 \ | |
| 1977 product(uintx, AutoGCSelectPauseMillis, 5000, \ | |
| 1978 "Automatic GC selection pause threshhold in ms") \ | |
| 1979 \ | |
| 1980 product(bool, UseAdaptiveSizePolicy, true, \ | |
| 1981 "Use adaptive generation sizing policies") \ | |
| 1982 \ | |
| 1983 product(bool, UsePSAdaptiveSurvivorSizePolicy, true, \ | |
| 1984 "Use adaptive survivor sizing policies") \ | |
| 1985 \ | |
| 1986 product(bool, UseAdaptiveGenerationSizePolicyAtMinorCollection, true, \ | |
| 1987 "Use adaptive young-old sizing policies at minor collections") \ | |
| 1988 \ | |
| 1989 product(bool, UseAdaptiveGenerationSizePolicyAtMajorCollection, true, \ | |
| 1990 "Use adaptive young-old sizing policies at major collections") \ | |
| 1991 \ | |
| 1992 product(bool, UseAdaptiveSizePolicyWithSystemGC, false, \ | |
| 1993 "Use statistics from System.GC for adaptive size policy") \ | |
| 1994 \ | |
| 1995 product(bool, UseAdaptiveGCBoundary, false, \ | |
| 1996 "Allow young-old boundary to move") \ | |
| 1997 \ | |
| 1998 develop(bool, TraceAdaptiveGCBoundary, false, \ | |
| 1999 "Trace young-old boundary moves") \ | |
| 2000 \ | |
| 2001 develop(intx, PSAdaptiveSizePolicyResizeVirtualSpaceAlot, -1, \ | |
| 2002 "Resize the virtual spaces of the young or old generations") \ | |
| 2003 \ | |
| 2004 product(uintx, AdaptiveSizeThroughPutPolicy, 0, \ | |
| 2005 "Policy for changeing generation size for throughput goals") \ | |
| 2006 \ | |
| 2007 product(uintx, AdaptiveSizePausePolicy, 0, \ | |
| 2008 "Policy for changing generation size for pause goals") \ | |
| 2009 \ | |
| 2010 develop(bool, PSAdjustTenuredGenForMinorPause, false, \ | |
| 2011 "Adjust tenured generation to achive a minor pause goal") \ | |
| 2012 \ | |
| 2013 develop(bool, PSAdjustYoungGenForMajorPause, false, \ | |
| 2014 "Adjust young generation to achive a major pause goal") \ | |
| 2015 \ | |
| 2016 product(uintx, AdaptiveSizePolicyInitializingSteps, 20, \ | |
| 2017 "Number of steps where heuristics is used before data is used") \ | |
| 2018 \ | |
| 2019 develop(uintx, AdaptiveSizePolicyReadyThreshold, 5, \ | |
| 2020 "Number of collections before the adaptive sizing is started") \ | |
| 2021 \ | |
| 2022 product(uintx, AdaptiveSizePolicyOutputInterval, 0, \ | |
| 1064 | 2023 "Collecton interval for printing information; zero => never") \ |
| 0 | 2024 \ |
| 2025 product(bool, UseAdaptiveSizePolicyFootprintGoal, true, \ | |
| 2026 "Use adaptive minimum footprint as a goal") \ | |
| 2027 \ | |
| 2028 product(uintx, AdaptiveSizePolicyWeight, 10, \ | |
| 2029 "Weight given to exponential resizing, between 0 and 100") \ | |
| 2030 \ | |
| 2031 product(uintx, AdaptiveTimeWeight, 25, \ | |
| 2032 "Weight given to time in adaptive policy, between 0 and 100") \ | |
| 2033 \ | |
| 2034 product(uintx, PausePadding, 1, \ | |
| 2035 "How much buffer to keep for pause time") \ | |
| 2036 \ | |
| 2037 product(uintx, PromotedPadding, 3, \ | |
| 2038 "How much buffer to keep for promotion failure") \ | |
| 2039 \ | |
| 2040 product(uintx, SurvivorPadding, 3, \ | |
| 2041 "How much buffer to keep for survivor overflow") \ | |
| 2042 \ | |
| 2043 product(uintx, ThresholdTolerance, 10, \ | |
| 2044 "Allowed collection cost difference between generations") \ | |
| 2045 \ | |
| 2046 product(uintx, AdaptiveSizePolicyCollectionCostMargin, 50, \ | |
| 1064 | 2047 "If collection costs are within margin, reduce both by full " \ |
| 2048 "delta") \ | |
| 0 | 2049 \ |
| 2050 product(uintx, YoungGenerationSizeIncrement, 20, \ | |
| 2051 "Adaptive size percentage change in young generation") \ | |
| 2052 \ | |
| 2053 product(uintx, YoungGenerationSizeSupplement, 80, \ | |
| 2054 "Supplement to YoungedGenerationSizeIncrement used at startup") \ | |
| 2055 \ | |
| 2056 product(uintx, YoungGenerationSizeSupplementDecay, 8, \ | |
| 2057 "Decay factor to YoungedGenerationSizeSupplement") \ | |
| 2058 \ | |
| 2059 product(uintx, TenuredGenerationSizeIncrement, 20, \ | |
| 2060 "Adaptive size percentage change in tenured generation") \ | |
| 2061 \ | |
| 2062 product(uintx, TenuredGenerationSizeSupplement, 80, \ | |
| 2063 "Supplement to TenuredGenerationSizeIncrement used at startup") \ | |
| 2064 \ | |
| 2065 product(uintx, TenuredGenerationSizeSupplementDecay, 2, \ | |
| 2066 "Decay factor to TenuredGenerationSizeIncrement") \ | |
| 2067 \ | |
| 6818 | 2068 product(uintx, MaxGCPauseMillis, max_uintx, \ |
| 751 | 2069 "Adaptive size policy maximum GC pause time goal in msec, " \ |
| 2070 "or (G1 Only) the max. GC time per MMU time slice") \ | |
| 2071 \ | |
|
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2072 product(uintx, GCPauseIntervalMillis, 0, \ |
| 751 | 2073 "Time slice for MMU specification") \ |
| 0 | 2074 \ |
| 2075 product(uintx, MaxGCMinorPauseMillis, max_uintx, \ | |
| 2076 "Adaptive size policy maximum GC minor pause time goal in msec") \ | |
| 2077 \ | |
| 2078 product(uintx, GCTimeRatio, 99, \ | |
| 2079 "Adaptive size policy application time to GC time ratio") \ | |
| 2080 \ | |
| 2081 product(uintx, AdaptiveSizeDecrementScaleFactor, 4, \ | |
| 2082 "Adaptive size scale down factor for shrinking") \ | |
| 2083 \ | |
| 2084 product(bool, UseAdaptiveSizeDecayMajorGCCost, true, \ | |
| 2085 "Adaptive size decays the major cost for long major intervals") \ | |
| 2086 \ | |
| 2087 product(uintx, AdaptiveSizeMajorGCDecayTimeScale, 10, \ | |
| 2088 "Time scale over which major costs decay") \ | |
| 2089 \ | |
| 2090 product(uintx, MinSurvivorRatio, 3, \ | |
| 2091 "Minimum ratio of young generation/survivor space size") \ | |
| 2092 \ | |
| 2093 product(uintx, InitialSurvivorRatio, 8, \ | |
| 2094 "Initial ratio of eden/survivor space size") \ | |
| 2095 \ | |
| 2096 product(uintx, BaseFootPrintEstimate, 256*M, \ | |
| 2097 "Estimate of footprint other than Java Heap") \ | |
| 2098 \ | |
| 2099 product(bool, UseGCOverheadLimit, true, \ | |
| 2100 "Use policy to limit of proportion of time spent in GC " \ | |
| 2101 "before an OutOfMemory error is thrown") \ | |
| 2102 \ | |
| 2103 product(uintx, GCTimeLimit, 98, \ | |
| 2104 "Limit of proportion of time spent in GC before an OutOfMemory" \ | |
| 2105 "error is thrown (used with GCHeapFreeLimit)") \ | |
| 2106 \ | |
| 2107 product(uintx, GCHeapFreeLimit, 2, \ | |
| 2108 "Minimum percentage of free space after a full GC before an " \ | |
| 2109 "OutOfMemoryError is thrown (used with GCTimeLimit)") \ | |
| 2110 \ | |
| 2111 develop(uintx, AdaptiveSizePolicyGCTimeLimitThreshold, 5, \ | |
| 2112 "Number of consecutive collections before gc time limit fires") \ | |
| 2113 \ | |
| 2114 product(bool, PrintAdaptiveSizePolicy, false, \ | |
| 2115 "Print information about AdaptiveSizePolicy") \ | |
| 2116 \ | |
| 2117 product(intx, PrefetchCopyIntervalInBytes, -1, \ | |
| 2118 "How far ahead to prefetch destination area (<= 0 means off)") \ | |
| 2119 \ | |
| 2120 product(intx, PrefetchScanIntervalInBytes, -1, \ | |
| 2121 "How far ahead to prefetch scan area (<= 0 means off)") \ | |
| 2122 \ | |
| 2123 product(intx, PrefetchFieldsAhead, -1, \ | |
| 2124 "How many fields ahead to prefetch in oop scan (<= 0 means off)") \ | |
| 2125 \ | |
|
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|
2126 diagnostic(bool, VerifySilently, false, \ |
|
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|
2127 "Don't print print the verification progress") \ |
|
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|
2128 \ |
|
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8011343: Add new flag for verifying the heap during startup
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|
2129 diagnostic(bool, VerifyDuringStartup, false, \ |
|
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|
2130 "Verify memory system before executing any Java code " \ |
|
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|
2131 "during VM initialization") \ |
|
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|
2132 \ |
| 0 | 2133 diagnostic(bool, VerifyBeforeExit, trueInDebug, \ |
| 2134 "Verify system before exiting") \ | |
| 2135 \ | |
| 2136 diagnostic(bool, VerifyBeforeGC, false, \ | |
| 2137 "Verify memory system before GC") \ | |
| 2138 \ | |
| 2139 diagnostic(bool, VerifyAfterGC, false, \ | |
| 2140 "Verify memory system after GC") \ | |
| 2141 \ | |
| 2142 diagnostic(bool, VerifyDuringGC, false, \ | |
| 2143 "Verify memory system during GC (between phases)") \ | |
| 2144 \ | |
| 390 | 2145 diagnostic(bool, GCParallelVerificationEnabled, true, \ |
| 2146 "Enable parallel memory system verification") \ | |
| 2147 \ | |
| 1166 | 2148 diagnostic(bool, DeferInitialCardMark, false, \ |
| 2149 "When +ReduceInitialCardMarks, explicitly defer any that " \ | |
| 2150 "may arise from new_pre_store_barrier") \ | |
| 2151 \ | |
| 0 | 2152 diagnostic(bool, VerifyRememberedSets, false, \ |
| 2153 "Verify GC remembered sets") \ | |
| 2154 \ | |
| 2155 diagnostic(bool, VerifyObjectStartArray, true, \ | |
| 2156 "Verify GC object start array if verify before/after") \ | |
| 2157 \ | |
| 2158 product(bool, DisableExplicitGC, false, \ | |
| 2159 "Tells whether calling System.gc() does a full GC") \ | |
| 2160 \ | |
| 2161 notproduct(bool, CheckMemoryInitialization, false, \ | |
| 2162 "Checks memory initialization") \ | |
| 2163 \ | |
| 2164 product(bool, CollectGen0First, false, \ | |
| 2165 "Collect youngest generation before each full GC") \ | |
| 2166 \ | |
| 2167 diagnostic(bool, BindCMSThreadToCPU, false, \ | |
| 2168 "Bind CMS Thread to CPU if possible") \ | |
| 2169 \ | |
| 2170 diagnostic(uintx, CPUForCMSThread, 0, \ | |
| 2171 "When BindCMSThreadToCPU is true, the CPU to bind CMS thread to") \ | |
| 2172 \ | |
| 2173 product(bool, BindGCTaskThreadsToCPUs, false, \ | |
| 2174 "Bind GCTaskThreads to CPUs if possible") \ | |
| 2175 \ | |
| 2176 product(bool, UseGCTaskAffinity, false, \ | |
| 2177 "Use worker affinity when asking for GCTasks") \ | |
| 2178 \ | |
| 2179 product(uintx, ProcessDistributionStride, 4, \ | |
| 2180 "Stride through processors when distributing processes") \ | |
| 2181 \ | |
| 2182 product(uintx, CMSCoordinatorYieldSleepCount, 10, \ | |
| 2183 "number of times the coordinator GC thread will sleep while " \ | |
| 2184 "yielding before giving up and resuming GC") \ | |
| 2185 \ | |
| 2186 product(uintx, CMSYieldSleepCount, 0, \ | |
| 2187 "number of times a GC thread (minus the coordinator) " \ | |
| 2188 "will sleep while yielding before giving up and resuming GC") \ | |
| 2189 \ | |
| 2190 /* gc tracing */ \ | |
| 2191 manageable(bool, PrintGC, false, \ | |
| 2192 "Print message at garbage collect") \ | |
| 2193 \ | |
| 2194 manageable(bool, PrintGCDetails, false, \ | |
| 2195 "Print more details at garbage collect") \ | |
| 2196 \ | |
| 2197 manageable(bool, PrintGCDateStamps, false, \ | |
| 2198 "Print date stamps at garbage collect") \ | |
| 2199 \ | |
| 2200 manageable(bool, PrintGCTimeStamps, false, \ | |
| 2201 "Print timestamps at garbage collect") \ | |
| 2202 \ | |
| 2203 product(bool, PrintGCTaskTimeStamps, false, \ | |
| 2204 "Print timestamps for individual gc worker thread tasks") \ | |
| 2205 \ | |
| 2206 develop(intx, ConcGCYieldTimeout, 0, \ | |
| 2207 "If non-zero, assert that GC threads yield within this # of ms.") \ | |
| 2208 \ | |
| 2209 notproduct(bool, TraceMarkSweep, false, \ | |
| 2210 "Trace mark sweep") \ | |
| 2211 \ | |
| 2212 product(bool, PrintReferenceGC, false, \ | |
| 2213 "Print times spent handling reference objects during GC " \ | |
| 2214 " (enabled only when PrintGCDetails)") \ | |
| 2215 \ | |
| 2216 develop(bool, TraceReferenceGC, false, \ | |
| 2217 "Trace handling of soft/weak/final/phantom references") \ | |
| 2218 \ | |
| 2219 develop(bool, TraceFinalizerRegistration, false, \ | |
| 2220 "Trace registration of final references") \ | |
| 2221 \ | |
| 2222 notproduct(bool, TraceScavenge, false, \ | |
| 2223 "Trace scavenge") \ | |
| 2224 \ | |
| 2225 product_rw(bool, TraceClassLoading, false, \ | |
| 2226 "Trace all classes loaded") \ | |
| 2227 \ | |
| 2228 product(bool, TraceClassLoadingPreorder, false, \ | |
| 2229 "Trace all classes loaded in order referenced (not loaded)") \ | |
| 2230 \ | |
| 2231 product_rw(bool, TraceClassUnloading, false, \ | |
| 2232 "Trace unloading of classes") \ | |
| 2233 \ | |
| 2234 product_rw(bool, TraceLoaderConstraints, false, \ | |
| 2235 "Trace loader constraints") \ | |
| 2236 \ | |
|
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|
2237 develop(bool, TraceClassLoaderData, false, \ |
|
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|
2238 "Trace class loader loader_data lifetime") \ |
|
da91efe96a93
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diff
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|
2239 \ |
|
7446
e51c9860cf66
8005082: NPG: Add specialized Metachunk sizes for reflection and anonymous classloaders
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7428
diff
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|
2240 product(uintx, InitialBootClassLoaderMetaspaceSize, \ |
|
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|
2241 NOT_LP64(2200*K) LP64_ONLY(4*M), \ |
|
6725
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|
2242 "Initial size of the boot class loader data metaspace") \ |
|
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|
2243 \ |
| 0 | 2244 product(bool, TraceGen0Time, false, \ |
| 2245 "Trace accumulated time for Gen 0 collection") \ | |
| 2246 \ | |
| 2247 product(bool, TraceGen1Time, false, \ | |
| 2248 "Trace accumulated time for Gen 1 collection") \ | |
| 2249 \ | |
| 2250 product(bool, PrintTenuringDistribution, false, \ | |
| 2251 "Print tenuring age information") \ | |
| 2252 \ | |
| 2253 product_rw(bool, PrintHeapAtGC, false, \ | |
| 2254 "Print heap layout before and after each GC") \ | |
| 2255 \ | |
|
838
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6855834: G1: minimize the output when -XX:+PrintHeapAtGC is set
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diff
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|
2256 product_rw(bool, PrintHeapAtGCExtended, false, \ |
|
0316eac49d5a
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|
2257 "Prints extended information about the layout of the heap " \ |
|
0316eac49d5a
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779
diff
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|
2258 "when -XX:+PrintHeapAtGC is set") \ |
|
0316eac49d5a
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parents:
779
diff
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|
2259 \ |
| 0 | 2260 product(bool, PrintHeapAtSIGBREAK, true, \ |
| 2261 "Print heap layout in response to SIGBREAK") \ | |
| 2262 \ | |
|
615
c6c601a0f2d6
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parents:
570
diff
changeset
|
2263 manageable(bool, PrintClassHistogramBeforeFullGC, false, \ |
|
c6c601a0f2d6
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diff
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|
2264 "Print a class histogram before any major stop-world GC") \ |
|
c6c601a0f2d6
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diff
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|
2265 \ |
|
c6c601a0f2d6
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570
diff
changeset
|
2266 manageable(bool, PrintClassHistogramAfterFullGC, false, \ |
|
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diff
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|
2267 "Print a class histogram after any major stop-world GC") \ |
|
c6c601a0f2d6
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diff
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|
2268 \ |
| 0 | 2269 manageable(bool, PrintClassHistogram, false, \ |
| 2270 "Print a histogram of class instances") \ | |
| 2271 \ | |
| 2272 develop(bool, TraceWorkGang, false, \ | |
| 2273 "Trace activities of work gangs") \ | |
| 2274 \ | |
| 2275 product(bool, TraceParallelOldGCTasks, false, \ | |
| 2276 "Trace multithreaded GC activity") \ | |
| 2277 \ | |
| 2278 develop(bool, TraceBlockOffsetTable, false, \ | |
| 2279 "Print BlockOffsetTable maps") \ | |
| 2280 \ | |
| 2281 develop(bool, TraceCardTableModRefBS, false, \ | |
| 2282 "Print CardTableModRefBS maps") \ | |
| 2283 \ | |
| 2284 develop(bool, TraceGCTaskManager, false, \ | |
| 2285 "Trace actions of the GC task manager") \ | |
| 2286 \ | |
| 2287 develop(bool, TraceGCTaskQueue, false, \ | |
| 2288 "Trace actions of the GC task queues") \ | |
| 2289 \ | |
| 6818 | 2290 diagnostic(bool, TraceGCTaskThread, false, \ |
| 0 | 2291 "Trace actions of the GC task threads") \ |
| 2292 \ | |
| 2293 product(bool, PrintParallelOldGCPhaseTimes, false, \ | |
| 2294 "Print the time taken by each parallel old gc phase." \ | |
| 2295 "PrintGCDetails must also be enabled.") \ | |
| 2296 \ | |
| 2297 develop(bool, TraceParallelOldGCMarkingPhase, false, \ | |
| 2298 "Trace parallel old gc marking phase") \ | |
| 2299 \ | |
| 2300 develop(bool, TraceParallelOldGCSummaryPhase, false, \ | |
| 2301 "Trace parallel old gc summary phase") \ | |
| 2302 \ | |
| 2303 develop(bool, TraceParallelOldGCCompactionPhase, false, \ | |
| 2304 "Trace parallel old gc compaction phase") \ | |
| 2305 \ | |
| 2306 develop(bool, TraceParallelOldGCDensePrefix, false, \ | |
| 2307 "Trace parallel old gc dense prefix computation") \ | |
| 2308 \ | |
| 2309 develop(bool, IgnoreLibthreadGPFault, false, \ | |
| 2310 "Suppress workaround for libthread GP fault") \ | |
| 2311 \ | |
|
139
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95
diff
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|
2312 product(bool, PrintJNIGCStalls, false, \ |
|
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apetrusenko
parents:
95
diff
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|
2313 "Print diagnostic message when GC is stalled" \ |
|
c0492d52d55b
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parents:
95
diff
changeset
|
2314 "by JNI critical section") \ |
|
c0492d52d55b
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apetrusenko
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95
diff
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|
2315 \ |
|
3767
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6941923: RFE: Handling large log files produced by long running Java Applications
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3745
diff
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|
2316 /* GC log rotation setting */ \ |
|
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
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3745
diff
changeset
|
2317 \ |
|
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
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parents:
3745
diff
changeset
|
2318 product(bool, UseGCLogFileRotation, false, \ |
|
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
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parents:
3745
diff
changeset
|
2319 "Prevent large gclog file for long running app. " \ |
|
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
minqi
parents:
3745
diff
changeset
|
2320 "Requires -Xloggc:<filename>") \ |
|
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
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parents:
3745
diff
changeset
|
2321 \ |
|
2a241e764894
6941923: RFE: Handling large log files produced by long running Java Applications
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3745
diff
changeset
|
2322 product(uintx, NumberOfGCLogFiles, 0, \ |
|
2a241e764894
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3745
diff
changeset
|
2323 "Number of gclog files in rotation, " \ |
|
2a241e764894
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3745
diff
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|
2324 "Default: 0, no rotation") \ |
|
2a241e764894
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3745
diff
changeset
|
2325 \ |
|
2a241e764894
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3745
diff
changeset
|
2326 product(uintx, GCLogFileSize, 0, \ |
|
2a241e764894
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3745
diff
changeset
|
2327 "GC log file size, Default: 0 bytes, no rotation " \ |
|
2a241e764894
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diff
changeset
|
2328 "Only valid with UseGCLogFileRotation") \ |
|
2a241e764894
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|
2329 \ |
| 0 | 2330 /* JVMTI heap profiling */ \ |
| 2331 \ | |
| 2332 diagnostic(bool, TraceJVMTIObjectTagging, false, \ | |
| 2333 "Trace JVMTI object tagging calls") \ | |
| 2334 \ | |
| 2335 diagnostic(bool, VerifyBeforeIteration, false, \ | |
| 2336 "Verify memory system before JVMTI iteration") \ | |
| 2337 \ | |
| 2338 /* compiler interface */ \ | |
| 2339 \ | |
| 2340 develop(bool, CIPrintCompilerName, false, \ | |
| 2341 "when CIPrint is active, print the name of the active compiler") \ | |
| 2342 \ | |
| 2343 develop(bool, CIPrintCompileQueue, false, \ | |
| 2344 "display the contents of the compile queue whenever a " \ | |
| 2345 "compilation is enqueued") \ | |
| 2346 \ | |
| 2347 develop(bool, CIPrintRequests, false, \ | |
| 2348 "display every request for compilation") \ | |
| 2349 \ | |
| 2350 product(bool, CITime, false, \ | |
| 2351 "collect timing information for compilation") \ | |
| 2352 \ | |
| 2353 develop(bool, CITimeEach, false, \ | |
| 2354 "display timing information after each successful compilation") \ | |
| 2355 \ | |
| 6843 | 2356 develop(bool, CICountOSR, false, \ |
| 0 | 2357 "use a separate counter when assigning ids to osr compilations") \ |
| 2358 \ | |
| 2359 develop(bool, CICompileNatives, true, \ | |
| 2360 "compile native methods if supported by the compiler") \ | |
| 2361 \ | |
| 2362 develop_pd(bool, CICompileOSR, \ | |
| 2363 "compile on stack replacement methods if supported by the " \ | |
| 2364 "compiler") \ | |
| 2365 \ | |
| 2366 develop(bool, CIPrintMethodCodes, false, \ | |
| 2367 "print method bytecodes of the compiled code") \ | |
| 2368 \ | |
| 2369 develop(bool, CIPrintTypeFlow, false, \ | |
| 2370 "print the results of ciTypeFlow analysis") \ | |
| 2371 \ | |
| 2372 develop(bool, CITraceTypeFlow, false, \ | |
| 2373 "detailed per-bytecode tracing of ciTypeFlow analysis") \ | |
| 2374 \ | |
| 2403 | 2375 develop(intx, OSROnlyBCI, -1, \ |
| 2376 "OSR only at this bci. Negative values mean exclude that bci") \ | |
| 2377 \ | |
| 0 | 2378 /* compiler */ \ |
| 2379 \ | |
| 2380 product(intx, CICompilerCount, CI_COMPILER_COUNT, \ | |
| 2381 "Number of compiler threads to run") \ | |
| 2382 \ | |
| 2383 product(intx, CompilationPolicyChoice, 0, \ | |
| 2384 "which compilation policy (0/1)") \ | |
| 2385 \ | |
| 2386 develop(bool, UseStackBanging, true, \ | |
| 2387 "use stack banging for stack overflow checks (required for " \ | |
| 2388 "proper StackOverflow handling; disable only to measure cost " \ | |
| 2389 "of stackbanging)") \ | |
| 2390 \ | |
| 2391 develop(bool, UseStrictFP, true, \ | |
| 2392 "use strict fp if modifier strictfp is set") \ | |
| 2393 \ | |
| 2394 develop(bool, GenerateSynchronizationCode, true, \ | |
| 2395 "generate locking/unlocking code for synchronized methods and " \ | |
| 2396 "monitors") \ | |
| 2397 \ | |
| 2398 develop(bool, GenerateCompilerNullChecks, true, \ | |
| 2399 "Generate explicit null checks for loads/stores/calls") \ | |
| 2400 \ | |
| 2401 develop(bool, GenerateRangeChecks, true, \ | |
| 2402 "Generate range checks for array accesses") \ | |
| 2403 \ | |
| 2404 develop_pd(bool, ImplicitNullChecks, \ | |
| 2405 "generate code for implicit null checks") \ | |
| 2406 \ | |
| 2407 product(bool, PrintSafepointStatistics, false, \ | |
| 2408 "print statistics about safepoint synchronization") \ | |
| 2409 \ | |
| 2410 product(intx, PrintSafepointStatisticsCount, 300, \ | |
| 2411 "total number of safepoint statistics collected " \ | |
| 2412 "before printing them out") \ | |
| 2413 \ | |
| 2414 product(intx, PrintSafepointStatisticsTimeout, -1, \ | |
| 2415 "print safepoint statistics only when safepoint takes" \ | |
| 2416 " more than PrintSafepointSatisticsTimeout in millis") \ | |
| 2417 \ | |
|
1321
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|
2418 product(bool, TraceSafepointCleanupTime, false, \ |
|
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|
2419 "print the break down of clean up tasks performed during" \ |
|
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|
2420 " safepoint") \ |
|
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|
2421 \ |
| 0 | 2422 product(bool, Inline, true, \ |
| 2423 "enable inlining") \ | |
| 2424 \ | |
| 2425 product(bool, ClipInlining, true, \ | |
| 2426 "clip inlining if aggregate method exceeds DesiredMethodLimit") \ | |
| 2427 \ | |
| 2428 develop(bool, UseCHA, true, \ | |
| 2429 "enable CHA") \ | |
| 2430 \ | |
| 2431 product(bool, UseTypeProfile, true, \ | |
| 2432 "Check interpreter profile for historically monomorphic calls") \ | |
| 2433 \ | |
| 2434 notproduct(bool, TimeCompiler, false, \ | |
| 2435 "time the compiler") \ | |
| 2436 \ | |
| 2437 diagnostic(bool, PrintInlining, false, \ | |
| 2438 "prints inlining optimizations") \ | |
| 2439 \ | |
|
643
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642
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|
2440 product(bool, UsePopCountInstruction, false, \ |
|
c771b7f43bbf
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642
diff
changeset
|
2441 "Use population count instruction") \ |
|
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changeset
|
2442 \ |
| 0 | 2443 develop(bool, EagerInitialization, false, \ |
| 2444 "Eagerly initialize classes if possible") \ | |
| 2445 \ | |
| 2446 develop(bool, TraceMethodReplacement, false, \ | |
| 2447 "Print when methods are replaced do to recompilation") \ | |
| 2448 \ | |
| 2449 develop(bool, PrintMethodFlushing, false, \ | |
| 2450 "print the nmethods being flushed") \ | |
| 2451 \ | |
| 2452 develop(bool, UseRelocIndex, false, \ | |
| 2453 "use an index to speed random access to relocations") \ | |
| 2454 \ | |
| 2455 develop(bool, StressCodeBuffers, false, \ | |
| 2456 "Exercise code buffer expansion and other rare state changes") \ | |
| 2457 \ | |
| 2458 diagnostic(bool, DebugNonSafepoints, trueInDebug, \ | |
| 2459 "Generate extra debugging info for non-safepoints in nmethods") \ | |
| 2460 \ | |
| 4066 | 2461 product(bool, PrintVMOptions, false, \ |
| 1150 | 2462 "Print flags that appeared on the command line") \ |
| 0 | 2463 \ |
| 564 | 2464 product(bool, IgnoreUnrecognizedVMOptions, false, \ |
| 2465 "Ignore unrecognized VM options") \ | |
| 2466 \ | |
| 1150 | 2467 product(bool, PrintCommandLineFlags, false, \ |
| 2468 "Print flags specified on command line or set by ergonomics") \ | |
| 2469 \ | |
| 2470 product(bool, PrintFlagsInitial, false, \ | |
| 2471 "Print all VM flags before argument processing and exit VM") \ | |
| 2472 \ | |
| 2473 product(bool, PrintFlagsFinal, false, \ | |
| 2474 "Print all VM flags after argument and ergonomic processing") \ | |
| 2475 \ | |
|
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|
2476 notproduct(bool, PrintFlagsWithComments, false, \ |
|
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|
2477 "Print all VM flags with default values and descriptions and exit")\ |
|
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|
2478 \ |
| 0 | 2479 diagnostic(bool, SerializeVMOutput, true, \ |
| 2480 "Use a mutex to serialize output to tty and hotspot.log") \ | |
| 2481 \ | |
| 2482 diagnostic(bool, DisplayVMOutput, true, \ | |
| 2483 "Display all VM output on the tty, independently of LogVMOutput") \ | |
| 2484 \ | |
| 2485 diagnostic(bool, LogVMOutput, trueInDebug, \ | |
| 2486 "Save VM output to hotspot.log, or to LogFile") \ | |
| 2487 \ | |
| 2488 diagnostic(ccstr, LogFile, NULL, \ | |
| 2489 "If LogVMOutput is on, save VM output to this file [hotspot.log]") \ | |
| 2490 \ | |
| 2491 product(ccstr, ErrorFile, NULL, \ | |
| 2492 "If an error occurs, save the error data to this file " \ | |
| 2493 "[default: ./hs_err_pid%p.log] (%p replaced with pid)") \ | |
| 2494 \ | |
| 2495 product(bool, DisplayVMOutputToStderr, false, \ | |
| 2496 "If DisplayVMOutput is true, display all VM output to stderr") \ | |
| 2497 \ | |
| 2498 product(bool, DisplayVMOutputToStdout, false, \ | |
| 2499 "If DisplayVMOutput is true, display all VM output to stdout") \ | |
| 2500 \ | |
| 2501 product(bool, UseHeavyMonitors, false, \ | |
| 2502 "use heavyweight instead of lightweight Java monitors") \ | |
| 2503 \ | |
| 6162 | 2504 product(bool, PrintStringTableStatistics, false, \ |
| 2505 "print statistics about the StringTable and SymbolTable") \ | |
| 2506 \ | |
| 0 | 2507 notproduct(bool, PrintSymbolTableSizeHistogram, false, \ |
| 2508 "print histogram of the symbol table") \ | |
| 2509 \ | |
| 2510 notproduct(bool, ExitVMOnVerifyError, false, \ | |
| 2511 "standard exit from VM if bytecode verify error " \ | |
| 2512 "(only in debug mode)") \ | |
| 2513 \ | |
| 2514 notproduct(ccstr, AbortVMOnException, NULL, \ | |
| 2515 "Call fatal if this exception is thrown. Example: " \ | |
| 2516 "java -XX:AbortVMOnException=java.lang.NullPointerException Foo") \ | |
| 2517 \ | |
|
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diff
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|
2518 notproduct(ccstr, AbortVMOnExceptionMessage, NULL, \ |
|
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|
2519 "Call fatal if the exception pointed by AbortVMOnException " \ |
|
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|
2520 "has this message.") \ |
|
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|
2521 \ |
| 0 | 2522 develop(bool, DebugVtables, false, \ |
| 2523 "add debugging code to vtable dispatch") \ | |
| 2524 \ | |
| 2525 develop(bool, PrintVtables, false, \ | |
| 2526 "print vtables when printing klass") \ | |
| 2527 \ | |
| 2528 notproduct(bool, PrintVtableStats, false, \ | |
| 2529 "print vtables stats at end of run") \ | |
| 2530 \ | |
| 2531 develop(bool, TraceCreateZombies, false, \ | |
| 2532 "trace creation of zombie nmethods") \ | |
| 2533 \ | |
| 2534 notproduct(bool, IgnoreLockingAssertions, false, \ | |
| 2535 "disable locking assertions (for speed)") \ | |
| 2536 \ | |
| 2537 product(bool, RangeCheckElimination, true, \ | |
| 8860 | 2538 "Eliminate range checks") \ |
| 0 | 2539 \ |
| 2540 develop_pd(bool, UncommonNullCast, \ | |
| 2541 "track occurrences of null in casts; adjust compiler tactics") \ | |
| 2542 \ | |
| 2543 develop(bool, TypeProfileCasts, true, \ | |
| 2544 "treat casts like calls for purposes of type profiling") \ | |
| 2545 \ | |
| 2546 develop(bool, DelayCompilationDuringStartup, true, \ | |
| 2547 "Delay invoking the compiler until main application class is " \ | |
| 2548 "loaded") \ | |
| 2549 \ | |
| 2550 develop(bool, CompileTheWorld, false, \ | |
| 2551 "Compile all methods in all classes in bootstrap class path " \ | |
| 2552 "(stress test)") \ | |
| 2553 \ | |
| 2554 develop(bool, CompileTheWorldPreloadClasses, true, \ | |
| 2555 "Preload all classes used by a class before start loading") \ | |
| 2556 \ | |
|
1188
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diff
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|
2557 notproduct(intx, CompileTheWorldSafepointInterval, 100, \ |
|
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diff
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|
2558 "Force a safepoint every n compiles so sweeper can keep up") \ |
|
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diff
changeset
|
2559 \ |
| 0 | 2560 develop(bool, FillDelaySlots, true, \ |
| 2561 "Fill delay slots (on SPARC only)") \ | |
| 2562 \ | |
| 2563 develop(bool, TimeLivenessAnalysis, false, \ | |
| 2564 "Time computation of bytecode liveness analysis") \ | |
| 2565 \ | |
| 2566 develop(bool, TraceLivenessGen, false, \ | |
| 2567 "Trace the generation of liveness analysis information") \ | |
| 2568 \ | |
| 2569 notproduct(bool, TraceLivenessQuery, false, \ | |
| 2570 "Trace queries of liveness analysis information") \ | |
| 2571 \ | |
| 2572 notproduct(bool, CollectIndexSetStatistics, false, \ | |
| 2573 "Collect information about IndexSets") \ | |
| 2574 \ | |
| 2575 develop(bool, UseLoopSafepoints, true, \ | |
| 2576 "Generate Safepoint nodes in every loop") \ | |
| 2577 \ | |
| 2578 develop(intx, FastAllocateSizeLimit, 128*K, \ | |
| 2579 /* Note: This value is zero mod 1<<13 for a cheap sparc set. */ \ | |
| 2580 "Inline allocations larger than this in doublewords must go slow")\ | |
| 2581 \ | |
| 2582 product(bool, AggressiveOpts, false, \ | |
| 2583 "Enable aggressive optimizations - see arguments.cpp") \ | |
| 2584 \ | |
|
192
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diff
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|
2585 product(bool, UseStringCache, false, \ |
|
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174
diff
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|
2586 "Enable String cache capabilities on String.java") \ |
|
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|
2587 \ |
| 0 | 2588 /* statistics */ \ |
| 2589 develop(bool, CountCompiledCalls, false, \ | |
| 2590 "counts method invocations") \ | |
| 2591 \ | |
| 2592 notproduct(bool, CountRuntimeCalls, false, \ | |
| 2593 "counts VM runtime calls") \ | |
| 2594 \ | |
| 2595 develop(bool, CountJNICalls, false, \ | |
| 2596 "counts jni method invocations") \ | |
| 2597 \ | |
| 2598 notproduct(bool, CountJVMCalls, false, \ | |
| 2599 "counts jvm method invocations") \ | |
| 2600 \ | |
| 2601 notproduct(bool, CountRemovableExceptions, false, \ | |
| 2602 "count exceptions that could be replaced by branches due to " \ | |
| 2603 "inlining") \ | |
| 2604 \ | |
| 2605 notproduct(bool, ICMissHistogram, false, \ | |
| 2606 "produce histogram of IC misses") \ | |
| 2607 \ | |
| 2608 notproduct(bool, PrintClassStatistics, false, \ | |
| 2609 "prints class statistics at end of run") \ | |
| 2610 \ | |
| 2611 notproduct(bool, PrintMethodStatistics, false, \ | |
| 2612 "prints method statistics at end of run") \ | |
| 2613 \ | |
| 2614 /* interpreter */ \ | |
| 2615 develop(bool, ClearInterpreterLocals, false, \ | |
| 2616 "Always clear local variables of interpreter activations upon " \ | |
| 2617 "entry") \ | |
| 2618 \ | |
| 2619 product_pd(bool, RewriteBytecodes, \ | |
| 2620 "Allow rewriting of bytecodes (bytecodes are not immutable)") \ | |
| 2621 \ | |
| 2622 product_pd(bool, RewriteFrequentPairs, \ | |
| 2623 "Rewrite frequently used bytecode pairs into a single bytecode") \ | |
| 2624 \ | |
|
100
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diff
changeset
|
2625 diagnostic(bool, PrintInterpreter, false, \ |
| 0 | 2626 "Prints the generated interpreter code") \ |
| 2627 \ | |
| 2628 product(bool, UseInterpreter, true, \ | |
| 2629 "Use interpreter for non-compiled methods") \ | |
| 2630 \ | |
| 2631 develop(bool, UseFastSignatureHandlers, true, \ | |
| 2632 "Use fast signature handlers for native calls") \ | |
| 2633 \ | |
| 2634 product(bool, UseLoopCounter, true, \ | |
| 2635 "Increment invocation counter on backward branch") \ | |
| 2636 \ | |
| 2637 product(bool, UseFastEmptyMethods, true, \ | |
| 2638 "Use fast method entry code for empty methods") \ | |
| 2639 \ | |
| 2640 product(bool, UseFastAccessorMethods, true, \ | |
| 2641 "Use fast method entry code for accessor methods") \ | |
| 2642 \ | |
| 2643 product_pd(bool, UseOnStackReplacement, \ | |
| 2644 "Use on stack replacement, calls runtime if invoc. counter " \ | |
| 2645 "overflows in loop") \ | |
| 2646 \ | |
| 2647 notproduct(bool, TraceOnStackReplacement, false, \ | |
| 2648 "Trace on stack replacement") \ | |
| 2649 \ | |
| 2650 product_pd(bool, PreferInterpreterNativeStubs, \ | |
| 2651 "Use always interpreter stubs for native methods invoked via " \ | |
| 2652 "interpreter") \ | |
| 2653 \ | |
| 2654 develop(bool, CountBytecodes, false, \ | |
| 2655 "Count number of bytecodes executed") \ | |
| 2656 \ | |
| 2657 develop(bool, PrintBytecodeHistogram, false, \ | |
| 2658 "Print histogram of the executed bytecodes") \ | |
| 2659 \ | |
| 2660 develop(bool, PrintBytecodePairHistogram, false, \ | |
| 2661 "Print histogram of the executed bytecode pairs") \ | |
| 2662 \ | |
|
100
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76
diff
changeset
|
2663 diagnostic(bool, PrintSignatureHandlers, false, \ |
| 0 | 2664 "Print code generated for native method signature handlers") \ |
| 2665 \ | |
| 2666 develop(bool, VerifyOops, false, \ | |
| 2667 "Do plausibility checks for oops") \ | |
| 2668 \ | |
| 2669 develop(bool, CheckUnhandledOops, false, \ | |
| 2670 "Check for unhandled oops in VM code") \ | |
| 2671 \ | |
| 2672 develop(bool, VerifyJNIFields, trueInDebug, \ | |
| 2673 "Verify jfieldIDs for instance fields") \ | |
| 2674 \ | |
| 2675 notproduct(bool, VerifyJNIEnvThread, false, \ | |
| 2676 "Verify JNIEnv.thread == Thread::current() when entering VM " \ | |
| 2677 "from JNI") \ | |
| 2678 \ | |
| 2679 develop(bool, VerifyFPU, false, \ | |
| 2680 "Verify FPU state (check for NaN's, etc.)") \ | |
| 2681 \ | |
| 2682 develop(bool, VerifyThread, false, \ | |
| 2683 "Watch the thread register for corruption (SPARC only)") \ | |
| 2684 \ | |
| 2685 develop(bool, VerifyActivationFrameSize, false, \ | |
| 2686 "Verify that activation frame didn't become smaller than its " \ | |
| 2687 "minimal size") \ | |
| 2688 \ | |
| 2689 develop(bool, TraceFrequencyInlining, false, \ | |
| 2690 "Trace frequency based inlining") \ | |
| 2691 \ | |
| 2692 develop_pd(bool, InlineIntrinsics, \ | |
| 2693 "Inline intrinsics that can be statically resolved") \ | |
| 2694 \ | |
| 2695 product_pd(bool, ProfileInterpreter, \ | |
| 2696 "Profile at the bytecode level during interpretation") \ | |
| 2697 \ | |
| 2698 develop_pd(bool, ProfileTraps, \ | |
| 2699 "Profile deoptimization traps at the bytecode level") \ | |
| 2700 \ | |
| 2701 product(intx, ProfileMaturityPercentage, 20, \ | |
| 2702 "number of method invocations/branches (expressed as % of " \ | |
| 2703 "CompileThreshold) before using the method's profile") \ | |
| 2704 \ | |
| 2705 develop(bool, PrintMethodData, false, \ | |
| 2706 "Print the results of +ProfileInterpreter at end of run") \ | |
| 2707 \ | |
| 2708 develop(bool, VerifyDataPointer, trueInDebug, \ | |
| 2709 "Verify the method data pointer during interpreter profiling") \ | |
| 2710 \ | |
| 2711 develop(bool, VerifyCompiledCode, false, \ | |
| 2712 "Include miscellaneous runtime verifications in nmethod code; " \ | |
| 1064 | 2713 "default off because it disturbs nmethod size heuristics") \ |
| 0 | 2714 \ |
|
1119
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6361589: Print out stack trace for target thread of GC crash
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parents:
1064
diff
changeset
|
2715 notproduct(bool, CrashGCForDumpingJavaThread, false, \ |
|
547f81740344
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parents:
1064
diff
changeset
|
2716 "Manually make GC thread crash then dump java stack trace; " \ |
|
547f81740344
6361589: Print out stack trace for target thread of GC crash
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parents:
1064
diff
changeset
|
2717 "Test only") \ |
| 0 | 2718 \ |
| 2719 /* compilation */ \ | |
| 2720 product(bool, UseCompiler, true, \ | |
| 2721 "use compilation") \ | |
| 2722 \ | |
| 2723 develop(bool, TraceCompilationPolicy, false, \ | |
| 2724 "Trace compilation policy") \ | |
| 2725 \ | |
| 2726 develop(bool, TimeCompilationPolicy, false, \ | |
| 2727 "Time the compilation policy") \ | |
| 2728 \ | |
| 2729 product(bool, UseCounterDecay, true, \ | |
| 2730 "adjust recompilation counters") \ | |
| 2731 \ | |
| 2732 develop(intx, CounterHalfLifeTime, 30, \ | |
| 2733 "half-life time of invocation counters (in secs)") \ | |
| 2734 \ | |
| 2735 develop(intx, CounterDecayMinIntervalLength, 500, \ | |
| 2736 "Min. ms. between invocation of CounterDecay") \ | |
| 2737 \ | |
| 2738 product(bool, AlwaysCompileLoopMethods, false, \ | |
| 2739 "when using recompilation, never interpret methods " \ | |
| 2740 "containing loops") \ | |
| 2741 \ | |
| 2742 product(bool, DontCompileHugeMethods, true, \ | |
| 2743 "don't compile methods > HugeMethodLimit") \ | |
| 2744 \ | |
| 2745 /* Bytecode escape analysis estimation. */ \ | |
| 2746 product(bool, EstimateArgEscape, true, \ | |
| 2747 "Analyze bytecodes to estimate escape state of arguments") \ | |
| 2748 \ | |
| 2749 product(intx, BCEATraceLevel, 0, \ | |
| 2750 "How much tracing to do of bytecode escape analysis estimates") \ | |
| 2751 \ | |
| 2752 product(intx, MaxBCEAEstimateLevel, 5, \ | |
| 2753 "Maximum number of nested calls that are analyzed by BC EA.") \ | |
| 2754 \ | |
| 2755 product(intx, MaxBCEAEstimateSize, 150, \ | |
| 2756 "Maximum bytecode size of a method to be analyzed by BC EA.") \ | |
| 2757 \ | |
| 2758 product(intx, AllocatePrefetchStyle, 1, \ | |
| 2759 "0 = no prefetch, " \ | |
| 2760 "1 = prefetch instructions for each allocation, " \ | |
|
1367
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parents:
1366
diff
changeset
|
2761 "2 = use TLAB watermark to gate allocation prefetch, " \ |
|
9e321dcfa5b7
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1366
diff
changeset
|
2762 "3 = use BIS instruction on Sparc for allocation prefetch") \ |
| 0 | 2763 \ |
| 2764 product(intx, AllocatePrefetchDistance, -1, \ | |
| 2765 "Distance to prefetch ahead of allocation pointer") \ | |
| 2766 \ | |
| 3854 | 2767 product(intx, AllocatePrefetchLines, 3, \ |
| 2768 "Number of lines to prefetch ahead of array allocation pointer") \ | |
| 2769 \ | |
| 2770 product(intx, AllocateInstancePrefetchLines, 1, \ | |
| 2771 "Number of lines to prefetch ahead of instance allocation pointer") \ | |
| 0 | 2772 \ |
| 2773 product(intx, AllocatePrefetchStepSize, 16, \ | |
| 2774 "Step size in bytes of sequential prefetch instructions") \ | |
| 2775 \ | |
| 2776 product(intx, AllocatePrefetchInstr, 0, \ | |
| 2777 "Prefetch instruction to prefetch ahead of allocation pointer") \ | |
| 2778 \ | |
| 2779 /* deoptimization */ \ | |
| 2780 develop(bool, TraceDeoptimization, false, \ | |
| 2781 "Trace deoptimization") \ | |
| 2782 \ | |
| 2783 develop(bool, DebugDeoptimization, false, \ | |
| 2784 "Tracing various information while debugging deoptimization") \ | |
| 2785 \ | |
| 2786 product(intx, SelfDestructTimer, 0, \ | |
| 2787 "Will cause VM to terminate after a given time (in minutes) " \ | |
| 2788 "(0 means off)") \ | |
| 2789 \ | |
| 2790 product(intx, MaxJavaStackTraceDepth, 1024, \ | |
| 2791 "Max. no. of lines in the stack trace for Java exceptions " \ | |
| 2792 "(0 means all)") \ | |
| 2793 \ | |
|
3328
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parents:
3255
diff
changeset
|
2794 NOT_EMBEDDED(diagnostic(intx, GuaranteedSafepointInterval, 1000, \ |
| 0 | 2795 "Guarantee a safepoint (at least) every so many milliseconds " \ |
|
2192
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2177
diff
changeset
|
2796 "(0 means none)")) \ |
|
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2177
diff
changeset
|
2797 \ |
|
b92c45f2bc75
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2177
diff
changeset
|
2798 EMBEDDED_ONLY(product(intx, GuaranteedSafepointInterval, 0, \ |
|
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2177
diff
changeset
|
2799 "Guarantee a safepoint (at least) every so many milliseconds " \ |
|
b92c45f2bc75
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2177
diff
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|
2800 "(0 means none)")) \ |
| 0 | 2801 \ |
| 2802 product(intx, SafepointTimeoutDelay, 10000, \ | |
| 2803 "Delay in milliseconds for option SafepointTimeout") \ | |
| 2804 \ | |
| 6818 | 2805 product(intx, NmethodSweepFraction, 16, \ |
| 0 | 2806 "Number of invocations of sweeper to cover all nmethods") \ |
| 2807 \ | |
|
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parents:
1513
diff
changeset
|
2808 product(intx, NmethodSweepCheckInterval, 5, \ |
|
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parents:
1513
diff
changeset
|
2809 "Compilers wake up every n seconds to possibly sweep nmethods") \ |
|
bfe29ec02863
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parents:
1513
diff
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|
2810 \ |
|
3384
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3373
diff
changeset
|
2811 notproduct(bool, LogSweeper, false, \ |
|
f52ed367b66d
6996747: SIGSEGV in nmethod::cleanup_inline_caches / CompiledIC::verify
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parents:
3373
diff
changeset
|
2812 "Keep a ring buffer of sweeper activity") \ |
|
f52ed367b66d
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parents:
3373
diff
changeset
|
2813 \ |
|
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parents:
3373
diff
changeset
|
2814 notproduct(intx, SweeperLogEntries, 1024, \ |
|
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parents:
3373
diff
changeset
|
2815 "Number of records in the ring buffer of sweeper activity") \ |
|
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parents:
3373
diff
changeset
|
2816 \ |
| 0 | 2817 notproduct(intx, MemProfilingInterval, 500, \ |
| 2818 "Time between each invocation of the MemProfiler") \ | |
| 2819 \ | |
| 2820 develop(intx, MallocCatchPtr, -1, \ | |
| 2821 "Hit breakpoint when mallocing/freeing this pointer") \ | |
| 2822 \ | |
| 2823 notproduct(intx, AssertRepeat, 1, \ | |
| 2824 "number of times to evaluate expression in assert " \ | |
| 2825 "(to estimate overhead); only works with -DUSE_REPEATED_ASSERTS") \ | |
| 2826 \ | |
| 2827 notproduct(ccstrlist, SuppressErrorAt, "", \ | |
| 2828 "List of assertions (file:line) to muzzle") \ | |
| 2829 \ | |
| 2830 notproduct(uintx, HandleAllocationLimit, 1024, \ | |
| 2831 "Threshold for HandleMark allocation when +TraceHandleAllocation "\ | |
| 2832 "is used") \ | |
| 2833 \ | |
| 2834 develop(uintx, TotalHandleAllocationLimit, 1024, \ | |
| 2835 "Threshold for total handle allocation when " \ | |
| 2836 "+TraceHandleAllocation is used") \ | |
| 2837 \ | |
| 2838 develop(intx, StackPrintLimit, 100, \ | |
| 2839 "number of stack frames to print in VM-level stack dump") \ | |
| 2840 \ | |
| 2841 notproduct(intx, MaxElementPrintSize, 256, \ | |
| 2842 "maximum number of elements to print") \ | |
| 2843 \ | |
| 2844 notproduct(intx, MaxSubklassPrintSize, 4, \ | |
| 2845 "maximum number of subklasses to print when printing klass") \ | |
| 2846 \ | |
|
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diff
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|
2847 product(intx, MaxInlineLevel, 9, \ |
| 0 | 2848 "maximum number of nested calls that are inlined") \ |
| 2849 \ | |
|
1157
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1150
diff
changeset
|
2850 product(intx, MaxRecursiveInlineLevel, 1, \ |
| 0 | 2851 "maximum number of nested recursive calls that are inlined") \ |
| 2852 \ | |
| 675 | 2853 product_pd(intx, InlineSmallCode, \ |
| 0 | 2854 "Only inline already compiled methods if their code size is " \ |
| 2855 "less than this") \ | |
| 2856 \ | |
| 2857 product(intx, MaxInlineSize, 35, \ | |
| 2858 "maximum bytecode size of a method to be inlined") \ | |
| 2859 \ | |
| 2860 product_pd(intx, FreqInlineSize, \ | |
| 2861 "maximum bytecode size of a frequent method to be inlined") \ | |
| 2862 \ | |
|
1157
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diff
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|
2863 product(intx, MaxTrivialSize, 6, \ |
| 0 | 2864 "maximum bytecode size of a trivial method to be inlined") \ |
| 2865 \ | |
|
1157
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diff
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|
2866 product(intx, MinInliningThreshold, 250, \ |
| 0 | 2867 "min. invocation count a method needs to have to be inlined") \ |
| 2868 \ | |
| 2869 develop(intx, MethodHistogramCutoff, 100, \ | |
| 2870 "cutoff value for method invoc. histogram (+CountCalls)") \ | |
| 2871 \ | |
| 2872 develop(intx, ProfilerNumberOfInterpretedMethods, 25, \ | |
| 2873 "# of interpreted methods to show in profile") \ | |
| 2874 \ | |
| 2875 develop(intx, ProfilerNumberOfCompiledMethods, 25, \ | |
| 2876 "# of compiled methods to show in profile") \ | |
| 2877 \ | |
| 2878 develop(intx, ProfilerNumberOfStubMethods, 25, \ | |
| 2879 "# of stub methods to show in profile") \ | |
| 2880 \ | |
| 2881 develop(intx, ProfilerNumberOfRuntimeStubNodes, 25, \ | |
| 2882 "# of runtime stub nodes to show in profile") \ | |
| 2883 \ | |
| 2884 product(intx, ProfileIntervalsTicks, 100, \ | |
| 2885 "# of ticks between printing of interval profile " \ | |
| 2886 "(+ProfileIntervals)") \ | |
| 2887 \ | |
| 2888 notproduct(intx, ScavengeALotInterval, 1, \ | |
| 2889 "Interval between which scavenge will occur with +ScavengeALot") \ | |
| 2890 \ | |
| 2891 notproduct(intx, FullGCALotInterval, 1, \ | |
| 2892 "Interval between which full gc will occur with +FullGCALot") \ | |
| 2893 \ | |
| 2894 notproduct(intx, FullGCALotStart, 0, \ | |
| 2895 "For which invocation to start FullGCAlot") \ | |
| 2896 \ | |
| 2897 notproduct(intx, FullGCALotDummies, 32*K, \ | |
| 2898 "Dummy object allocated with +FullGCALot, forcing all objects " \ | |
| 2899 "to move") \ | |
| 2900 \ | |
| 2901 develop(intx, DontYieldALotInterval, 10, \ | |
| 2902 "Interval between which yields will be dropped (milliseconds)") \ | |
| 2903 \ | |
| 2904 develop(intx, MinSleepInterval, 1, \ | |
| 2905 "Minimum sleep() interval (milliseconds) when " \ | |
| 2906 "ConvertSleepToYield is off (used for SOLARIS)") \ | |
| 2907 \ | |
| 2908 develop(intx, ProfilerPCTickThreshold, 15, \ | |
| 2909 "Number of ticks in a PC buckets to be a hotspot") \ | |
| 2910 \ | |
| 2911 notproduct(intx, DeoptimizeALotInterval, 5, \ | |
| 2912 "Number of exits until DeoptimizeALot kicks in") \ | |
| 2913 \ | |
| 2914 notproduct(intx, ZombieALotInterval, 5, \ | |
| 2915 "Number of exits until ZombieALot kicks in") \ | |
| 2916 \ | |
| 2917 develop(bool, StressNonEntrant, false, \ | |
| 2918 "Mark nmethods non-entrant at registration") \ | |
| 2919 \ | |
| 2920 diagnostic(intx, MallocVerifyInterval, 0, \ | |
| 2921 "if non-zero, verify C heap after every N calls to " \ | |
| 2922 "malloc/realloc/free") \ | |
| 2923 \ | |
| 2924 diagnostic(intx, MallocVerifyStart, 0, \ | |
| 2925 "if non-zero, start verifying C heap after Nth call to " \ | |
| 2926 "malloc/realloc/free") \ | |
| 2927 \ | |
|
8802
eca90b8a06eb
7030610: runtime/6878713/Test6878713.sh fails Error. failed to clean up files after test
rdurbin
parents:
8706
diff
changeset
|
2928 diagnostic(uintx, MallocMaxTestWords, 0, \ |
|
eca90b8a06eb
7030610: runtime/6878713/Test6878713.sh fails Error. failed to clean up files after test
rdurbin
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8706
diff
changeset
|
2929 "if non-zero, max # of Words that malloc/realloc can allocate " \ |
|
eca90b8a06eb
7030610: runtime/6878713/Test6878713.sh fails Error. failed to clean up files after test
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diff
changeset
|
2930 "(for testing only)") \ |
|
eca90b8a06eb
7030610: runtime/6878713/Test6878713.sh fails Error. failed to clean up files after test
rdurbin
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8706
diff
changeset
|
2931 \ |
| 6818 | 2932 product(intx, TypeProfileWidth, 2, \ |
| 0 | 2933 "number of receiver types to record in call/cast profile") \ |
| 2934 \ | |
| 2935 develop(intx, BciProfileWidth, 2, \ | |
| 2936 "number of return bci's to record in ret profile") \ | |
| 2937 \ | |
| 2938 product(intx, PerMethodRecompilationCutoff, 400, \ | |
| 2939 "After recompiling N times, stay in the interpreter (-1=>'Inf')") \ | |
| 2940 \ | |
|
1206
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6614597: Performance variability in jvm2008 xml.validation
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1202
diff
changeset
|
2941 product(intx, PerBytecodeRecompilationCutoff, 200, \ |
| 0 | 2942 "Per-BCI limit on repeated recompilation (-1=>'Inf')") \ |
| 2943 \ | |
| 2944 product(intx, PerMethodTrapLimit, 100, \ | |
| 2945 "Limit on traps (of one kind) in a method (includes inlines)") \ | |
| 2946 \ | |
| 2947 product(intx, PerBytecodeTrapLimit, 4, \ | |
| 2948 "Limit on traps (of one kind) at a particular BCI") \ | |
| 2949 \ | |
| 2950 develop(intx, InlineFrequencyRatio, 20, \ | |
| 2951 "Ratio of call site execution to caller method invocation") \ | |
| 2952 \ | |
| 2953 develop_pd(intx, InlineFrequencyCount, \ | |
| 2954 "Count of call site execution necessary to trigger frequent " \ | |
| 2955 "inlining") \ | |
| 2956 \ | |
| 2957 develop(intx, InlineThrowCount, 50, \ | |
| 2958 "Force inlining of interpreted methods that throw this often") \ | |
| 2959 \ | |
| 2960 develop(intx, InlineThrowMaxSize, 200, \ | |
| 2961 "Force inlining of throwing methods smaller than this") \ | |
| 2962 \ | |
| 2963 develop(intx, ProfilerNodeSize, 1024, \ | |
| 2964 "Size in K to allocate for the Profile Nodes of each thread") \ | |
| 2965 \ | |
| 2966 product_pd(intx, PreInflateSpin, \ | |
| 2967 "Number of times to spin wait before inflation") \ | |
| 2968 \ | |
| 2969 /* gc parameters */ \ | |
| 1064 | 2970 product(uintx, InitialHeapSize, 0, \ |
|
10241
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10208
diff
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|
2971 "Initial heap size (in bytes); zero means use ergonomics") \ |
| 1064 | 2972 \ |
| 2973 product(uintx, MaxHeapSize, ScaleForWordSize(96*M), \ | |
| 2974 "Maximum heap size (in bytes)") \ | |
| 2975 \ | |
| 2976 product(uintx, OldSize, ScaleForWordSize(4*M), \ | |
| 2977 "Initial tenured generation size (in bytes)") \ | |
| 2978 \ | |
|
1287
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phh
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1211
diff
changeset
|
2979 product(uintx, NewSize, ScaleForWordSize(1*M), \ |
| 1064 | 2980 "Initial new generation size (in bytes)") \ |
| 0 | 2981 \ |
| 2982 product(uintx, MaxNewSize, max_uintx, \ | |
| 1064 | 2983 "Maximum new generation size (in bytes), max_uintx means set " \ |
| 2984 "ergonomically") \ | |
| 0 | 2985 \ |
| 2986 product(uintx, PretenureSizeThreshold, 0, \ | |
| 1064 | 2987 "Maximum size in bytes of objects allocated in DefNew " \ |
| 2988 "generation; zero means no maximum") \ | |
| 2989 \ | |
| 2990 product(uintx, TLABSize, 0, \ | |
| 2991 "Starting TLAB size (in bytes); zero means set ergonomically") \ | |
| 0 | 2992 \ |
| 2993 product(uintx, MinTLABSize, 2*K, \ | |
| 2994 "Minimum allowed TLAB size (in bytes)") \ | |
| 2995 \ | |
| 2996 product(uintx, TLABAllocationWeight, 35, \ | |
| 2997 "Allocation averaging weight") \ | |
| 2998 \ | |
| 2999 product(uintx, TLABWasteTargetPercent, 1, \ | |
| 3000 "Percentage of Eden that can be wasted") \ | |
| 3001 \ | |
| 3002 product(uintx, TLABRefillWasteFraction, 64, \ | |
| 3003 "Max TLAB waste at a refill (internal fragmentation)") \ | |
| 3004 \ | |
| 3005 product(uintx, TLABWasteIncrement, 4, \ | |
| 3006 "Increment allowed waste at slow allocation") \ | |
| 3007 \ | |
| 8035 | 3008 product(uintx, SurvivorRatio, 8, \ |
| 0 | 3009 "Ratio of eden/survivor space size") \ |
| 3010 \ | |
| 8035 | 3011 product(uintx, NewRatio, 2, \ |
| 0 | 3012 "Ratio of new/old generation sizes") \ |
| 3013 \ | |
| 3014 product_pd(uintx, NewSizeThreadIncrease, \ | |
| 3015 "Additional size added to desired new generation size per " \ | |
| 3016 "non-daemon thread (in bytes)") \ | |
| 3017 \ | |
|
6725
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diff
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|
3018 product_pd(uintx, MetaspaceSize, \ |
|
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6633
diff
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|
3019 "Initial size of Metaspaces (in bytes)") \ |
|
da91efe96a93
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diff
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|
3020 \ |
|
da91efe96a93
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diff
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|
3021 product(uintx, MaxMetaspaceSize, max_uintx, \ |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
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6633
diff
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|
3022 "Maximum size of Metaspaces (in bytes)") \ |
|
da91efe96a93
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6633
diff
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|
3023 \ |
|
6736
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7196103: NPG: Unable to allocate bit map for parallel garbage collection for the requested heap size
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6725
diff
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|
3024 product(uintx, ClassMetaspaceSize, 2*M, \ |
|
6725
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6633
diff
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|
3025 "Maximum size of InstanceKlass area in Metaspace used for " \ |
|
da91efe96a93
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6633
diff
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|
3026 "UseCompressedKlassPointers") \ |
| 0 | 3027 \ |
| 3028 product(uintx, MinHeapFreeRatio, 40, \ | |
| 3029 "Min percentage of heap free after GC to avoid expansion") \ | |
| 3030 \ | |
| 3031 product(uintx, MaxHeapFreeRatio, 70, \ | |
| 3032 "Max percentage of heap free after GC to avoid shrinking") \ | |
| 3033 \ | |
| 3034 product(intx, SoftRefLRUPolicyMSPerMB, 1000, \ | |
| 3035 "Number of milliseconds per MB of free space in the heap") \ | |
| 3036 \ | |
| 3037 product(uintx, MinHeapDeltaBytes, ScaleForWordSize(128*K), \ | |
| 3038 "Min change in heap space due to GC (in bytes)") \ | |
| 3039 \ | |
| 6818 | 3040 product(uintx, MinMetaspaceExpansion, ScaleForWordSize(256*K), \ |
|
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diff
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|
3041 "Min expansion of Metaspace (in bytes)") \ |
|
a83cd101fd62
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8035
diff
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|
3042 \ |
|
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
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8035
diff
changeset
|
3043 product(uintx, MinMetaspaceFreeRatio, 40, \ |
|
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
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parents:
8035
diff
changeset
|
3044 "Min percentage of Metaspace free after GC to avoid expansion") \ |
|
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
parents:
8035
diff
changeset
|
3045 \ |
|
a83cd101fd62
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jmasa
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8035
diff
changeset
|
3046 product(uintx, MaxMetaspaceFreeRatio, 70, \ |
|
a83cd101fd62
8005452: NPG: Create new flags for Metaspace resizing policy
jmasa
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8035
diff
changeset
|
3047 "Max percentage of Metaspace free after GC to avoid shrinking") \ |
| 0 | 3048 \ |
| 6818 | 3049 product(uintx, MaxMetaspaceExpansion, ScaleForWordSize(4*M), \ |
|
8040
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diff
changeset
|
3050 "Max expansion of Metaspace without full GC (in bytes)") \ |
| 0 | 3051 \ |
| 3052 product(intx, QueuedAllocationWarningCount, 0, \ | |
| 3053 "Number of times an allocation that queues behind a GC " \ | |
| 3054 "will retry before printing a warning") \ | |
| 3055 \ | |
| 3056 diagnostic(uintx, VerifyGCStartAt, 0, \ | |
| 3057 "GC invoke count where +VerifyBefore/AfterGC kicks in") \ | |
| 3058 \ | |
| 3059 diagnostic(intx, VerifyGCLevel, 0, \ | |
| 3060 "Generation level at which to start +VerifyBefore/AfterGC") \ | |
| 3061 \ | |
| 6818 | 3062 product(uintx, MaxTenuringThreshold, 15, \ |
| 0 | 3063 "Maximum value for tenuring threshold") \ |
| 3064 \ | |
| 6818 | 3065 product(uintx, InitialTenuringThreshold, 7, \ |
| 0 | 3066 "Initial value for tenuring threshold") \ |
| 3067 \ | |
| 8035 | 3068 product(uintx, TargetSurvivorRatio, 50, \ |
| 0 | 3069 "Desired percentage of survivor space used after scavenge") \ |
| 3070 \ | |
| 438 | 3071 product(uintx, MarkSweepDeadRatio, 5, \ |
| 0 | 3072 "Percentage (0-100) of the old gen allowed as dead wood." \ |
| 3073 "Serial mark sweep treats this as both the min and max value." \ | |
| 3074 "CMS uses this value only if it falls back to mark sweep." \ | |
| 3075 "Par compact uses a variable scale based on the density of the" \ | |
| 3076 "generation and treats this as the max value when the heap is" \ | |
| 3077 "either completely full or completely empty. Par compact also" \ | |
| 3078 "has a smaller default value; see arguments.cpp.") \ | |
| 3079 \ | |
| 3080 product(intx, MarkSweepAlwaysCompactCount, 4, \ | |
| 3081 "How often should we fully compact the heap (ignoring the dead " \ | |
| 3082 "space parameters)") \ | |
| 3083 \ | |
| 3084 product(intx, PrintCMSStatistics, 0, \ | |
| 3085 "Statistics for CMS") \ | |
| 3086 \ | |
| 3087 product(bool, PrintCMSInitiationStatistics, false, \ | |
| 3088 "Statistics for initiating a CMS collection") \ | |
| 3089 \ | |
| 3090 product(intx, PrintFLSStatistics, 0, \ | |
| 3091 "Statistics for CMS' FreeListSpace") \ | |
| 3092 \ | |
| 3093 product(intx, PrintFLSCensus, 0, \ | |
| 3094 "Census for CMS' FreeListSpace") \ | |
| 3095 \ | |
| 3096 develop(uintx, GCExpandToAllocateDelayMillis, 0, \ | |
| 3097 "Delay in ms between expansion and allocation") \ | |
| 3098 \ | |
| 6817 | 3099 develop(uintx, GCWorkerDelayMillis, 0, \ |
| 3100 "Delay in ms in scheduling GC workers") \ | |
| 3101 \ | |
| 0 | 3102 product(intx, DeferThrSuspendLoopCount, 4000, \ |
| 3103 "(Unstable) Number of times to iterate in safepoint loop " \ | |
| 3104 " before blocking VM threads ") \ | |
| 3105 \ | |
| 3106 product(intx, DeferPollingPageLoopCount, -1, \ | |
| 3107 "(Unsafe,Unstable) Number of iterations in safepoint loop " \ | |
| 3108 "before changing safepoint polling page to RO ") \ | |
| 3109 \ | |
| 3110 product(intx, SafepointSpinBeforeYield, 2000, "(Unstable)") \ | |
| 3111 \ | |
| 3112 product(bool, PSChunkLargeArrays, true, \ | |
| 3113 "true: process large arrays in chunks") \ | |
| 3114 \ | |
| 3115 product(uintx, GCDrainStackTargetSize, 64, \ | |
| 3116 "how many entries we'll try to leave on the stack during " \ | |
| 3117 "parallel GC") \ | |
| 3118 \ | |
| 3119 /* stack parameters */ \ | |
| 3120 product_pd(intx, StackYellowPages, \ | |
| 3121 "Number of yellow zone (recoverable overflows) pages") \ | |
| 3122 \ | |
| 3123 product_pd(intx, StackRedPages, \ | |
| 3124 "Number of red zone (unrecoverable overflows) pages") \ | |
| 3125 \ | |
| 3126 product_pd(intx, StackShadowPages, \ | |
| 3127 "Number of shadow zone (for overflow checking) pages" \ | |
| 3128 " this should exceed the depth of the VM and native call stack") \ | |
| 3129 \ | |
| 3130 product_pd(intx, ThreadStackSize, \ | |
| 3131 "Thread Stack Size (in Kbytes)") \ | |
| 3132 \ | |
| 3133 product_pd(intx, VMThreadStackSize, \ | |
| 3134 "Non-Java Thread Stack Size (in Kbytes)") \ | |
| 3135 \ | |
| 3136 product_pd(intx, CompilerThreadStackSize, \ | |
| 3137 "Compiler Thread Stack Size (in Kbytes)") \ | |
| 3138 \ | |
| 3139 develop_pd(uintx, JVMInvokeMethodSlack, \ | |
| 3140 "Stack space (bytes) required for JVM_InvokeMethod to complete") \ | |
| 3141 \ | |
| 3142 product(uintx, ThreadSafetyMargin, 50*M, \ | |
| 3143 "Thread safety margin is used on fixed-stack LinuxThreads (on " \ | |
| 3144 "Linux/x86 only) to prevent heap-stack collision. Set to 0 to " \ | |
| 3145 "disable this feature") \ | |
| 3146 \ | |
| 3147 /* code cache parameters */ \ | |
| 3148 develop(uintx, CodeCacheSegmentSize, 64, \ | |
| 3149 "Code cache segment size (in bytes) - smallest unit of " \ | |
| 3150 "allocation") \ | |
| 3151 \ | |
| 3152 develop_pd(intx, CodeEntryAlignment, \ | |
| 3153 "Code entry alignment for generated code (in bytes)") \ | |
| 3154 \ | |
| 1365 | 3155 product_pd(intx, OptoLoopAlignment, \ |
| 3156 "Align inner loops to zero relative to this modulus") \ | |
| 3157 \ | |
| 0 | 3158 product_pd(uintx, InitialCodeCacheSize, \ |
| 3159 "Initial code cache size (in bytes)") \ | |
| 3160 \ | |
| 3161 product_pd(uintx, ReservedCodeCacheSize, \ | |
| 3162 "Reserved code cache size (in bytes) - maximum code cache size") \ | |
| 3163 \ | |
| 3164 product(uintx, CodeCacheMinimumFreeSpace, 500*K, \ | |
| 3165 "When less than X space left, we stop compiling.") \ | |
| 3166 \ | |
| 3167 product_pd(uintx, CodeCacheExpansionSize, \ | |
| 3168 "Code cache expansion size (in bytes)") \ | |
| 3169 \ | |
| 3170 develop_pd(uintx, CodeCacheMinBlockLength, \ | |
| 3171 "Minimum number of segments in a code cache block.") \ | |
| 3172 \ | |
| 3173 notproduct(bool, ExitOnFullCodeCache, false, \ | |
| 3174 "Exit the VM if we fill the code cache.") \ | |
| 3175 \ | |
| 4039 | 3176 product(bool, UseCodeCacheFlushing, true, \ |
| 1202 | 3177 "Attempt to clean the code cache before shutting off compiler") \ |
| 3178 \ | |
| 3179 product(intx, MinCodeCacheFlushingInterval, 30, \ | |
| 3180 "Min number of seconds between code cache cleaning sessions") \ | |
| 3181 \ | |
| 3182 product(uintx, CodeCacheFlushingMinimumFreeSpace, 1500*K, \ | |
| 3183 "When less than X space left, start code cache cleaning") \ | |
| 3184 \ | |
|
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diff
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|
3185 product(uintx, CodeCacheFlushingFraction, 2, \ |
|
0cfa93c2fcc4
8012547: Code cache flushing can get stuck reclaming of memory
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10197
diff
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|
3186 "Fraction of the code cache that is flushed when full") \ |
|
0cfa93c2fcc4
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diff
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|
3187 \ |
| 0 | 3188 /* interpreter debugging */ \ |
| 3189 develop(intx, BinarySwitchThreshold, 5, \ | |
| 3190 "Minimal number of lookupswitch entries for rewriting to binary " \ | |
| 3191 "switch") \ | |
| 3192 \ | |
| 3193 develop(intx, StopInterpreterAt, 0, \ | |
| 3194 "Stops interpreter execution at specified bytecode number") \ | |
| 3195 \ | |
| 3196 develop(intx, TraceBytecodesAt, 0, \ | |
| 3197 "Traces bytecodes starting with specified bytecode number") \ | |
| 3198 \ | |
| 3199 /* compiler interface */ \ | |
| 3200 develop(intx, CIStart, 0, \ | |
| 3201 "the id of the first compilation to permit") \ | |
| 3202 \ | |
| 3203 develop(intx, CIStop, -1, \ | |
| 3204 "the id of the last compilation to permit") \ | |
| 3205 \ | |
| 3206 develop(intx, CIStartOSR, 0, \ | |
| 3207 "the id of the first osr compilation to permit " \ | |
| 3208 "(CICountOSR must be on)") \ | |
| 3209 \ | |
| 3210 develop(intx, CIStopOSR, -1, \ | |
| 3211 "the id of the last osr compilation to permit " \ | |
| 3212 "(CICountOSR must be on)") \ | |
| 3213 \ | |
| 3214 develop(intx, CIBreakAtOSR, -1, \ | |
| 3215 "id of osr compilation to break at") \ | |
| 3216 \ | |
| 3217 develop(intx, CIBreakAt, -1, \ | |
| 3218 "id of compilation to break at") \ | |
| 3219 \ | |
| 3220 product(ccstrlist, CompileOnly, "", \ | |
| 3221 "List of methods (pkg/class.name) to restrict compilation to") \ | |
| 3222 \ | |
| 3223 product(ccstr, CompileCommandFile, NULL, \ | |
| 3224 "Read compiler commands from this file [.hotspot_compiler]") \ | |
| 3225 \ | |
| 3226 product(ccstrlist, CompileCommand, "", \ | |
| 3227 "Prepend to .hotspot_compiler; e.g. log,java/lang/String.<init>") \ | |
| 3228 \ | |
|
6972
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diff
changeset
|
3229 develop(bool, ReplayCompiles, false, \ |
|
bd7a7ce2e264
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6935
diff
changeset
|
3230 "Enable replay of compilations from ReplayDataFile") \ |
|
bd7a7ce2e264
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6935
diff
changeset
|
3231 \ |
|
10195
e12c9b3740db
8012260: ciReplay: Include PID into the name of replay data file
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9073
diff
changeset
|
3232 product(ccstr, ReplayDataFile, NULL, \ |
|
e12c9b3740db
8012260: ciReplay: Include PID into the name of replay data file
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9073
diff
changeset
|
3233 "File containing compilation replay information" \ |
|
e12c9b3740db
8012260: ciReplay: Include PID into the name of replay data file
vlivanov
parents:
9073
diff
changeset
|
3234 "[default: ./replay_pid%p.log] (%p replaced with pid)") \ |
|
6972
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
6935
diff
changeset
|
3235 \ |
|
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
6935
diff
changeset
|
3236 develop(intx, ReplaySuppressInitializers, 2, \ |
|
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
6935
diff
changeset
|
3237 "Controls handling of class initialization during replay" \ |
|
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
6935
diff
changeset
|
3238 "0 - don't do anything special" \ |
|
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
6935
diff
changeset
|
3239 "1 - treat all class initializers as empty" \ |
|
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
6935
diff
changeset
|
3240 "2 - treat class initializers for application classes as empty" \ |
|
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
6935
diff
changeset
|
3241 "3 - allow all class initializers to run during bootstrap but" \ |
|
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
6935
diff
changeset
|
3242 " pretend they are empty after starting replay") \ |
|
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
6935
diff
changeset
|
3243 \ |
|
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
6935
diff
changeset
|
3244 develop(bool, ReplayIgnoreInitErrors, false, \ |
|
bd7a7ce2e264
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minqi
parents:
6935
diff
changeset
|
3245 "Ignore exceptions thrown during initialization for replay") \ |
|
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
6935
diff
changeset
|
3246 \ |
|
10195
e12c9b3740db
8012260: ciReplay: Include PID into the name of replay data file
vlivanov
parents:
9073
diff
changeset
|
3247 product(bool, DumpReplayDataOnError, true, \ |
|
e12c9b3740db
8012260: ciReplay: Include PID into the name of replay data file
vlivanov
parents:
9073
diff
changeset
|
3248 "Record replay data for crashing compiler threads") \ |
|
6972
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
6935
diff
changeset
|
3249 \ |
| 0 | 3250 product(bool, CICompilerCountPerCPU, false, \ |
| 3251 "1 compiler thread for log(N CPUs)") \ | |
| 3252 \ | |
| 3253 develop(intx, CIFireOOMAt, -1, \ | |
| 3254 "Fire OutOfMemoryErrors throughout CI for testing the compiler " \ | |
| 3255 "(non-negative value throws OOM after this many CI accesses " \ | |
| 3256 "in each compile)") \ | |
|
10197
7b23cb975cf2
8011675: adding compilation level to replay data
iignatyev
parents:
10195
diff
changeset
|
3257 notproduct(intx, CICrashAt, -1, \ |
|
7b23cb975cf2
8011675: adding compilation level to replay data
iignatyev
parents:
10195
diff
changeset
|
3258 "id of compilation to trigger assert in compiler thread for " \ |
|
7b23cb975cf2
8011675: adding compilation level to replay data
iignatyev
parents:
10195
diff
changeset
|
3259 "the purpose of testing, e.g. generation of replay data") \ |
|
909
b32a809aab08
6866585: debug code in ciObjectFactory too slow for large objects
jcoomes
parents:
905
diff
changeset
|
3260 notproduct(bool, CIObjectFactoryVerify, false, \ |
|
b32a809aab08
6866585: debug code in ciObjectFactory too slow for large objects
jcoomes
parents:
905
diff
changeset
|
3261 "enable potentially expensive verification in ciObjectFactory") \ |
|
b32a809aab08
6866585: debug code in ciObjectFactory too slow for large objects
jcoomes
parents:
905
diff
changeset
|
3262 \ |
| 0 | 3263 /* Priorities */ \ |
| 3264 product_pd(bool, UseThreadPriorities, "Use native thread priorities") \ | |
| 3265 \ | |
| 3266 product(intx, ThreadPriorityPolicy, 0, \ | |
| 3267 "0 : Normal. "\ | |
| 3268 " VM chooses priorities that are appropriate for normal "\ | |
| 3269 " applications. On Solaris NORM_PRIORITY and above are mapped "\ | |
| 3270 " to normal native priority. Java priorities below NORM_PRIORITY"\ | |
| 3271 " map to lower native priority values. On Windows applications"\ | |
| 3272 " are allowed to use higher native priorities. However, with "\ | |
| 3273 " ThreadPriorityPolicy=0, VM will not use the highest possible"\ | |
| 3274 " native priority, THREAD_PRIORITY_TIME_CRITICAL, as it may "\ | |
| 3275 " interfere with system threads. On Linux thread priorities "\ | |
| 3276 " are ignored because the OS does not support static priority "\ | |
| 3277 " in SCHED_OTHER scheduling class which is the only choice for"\ | |
| 3278 " non-root, non-realtime applications. "\ | |
| 3279 "1 : Aggressive. "\ | |
| 3280 " Java thread priorities map over to the entire range of "\ | |
| 3281 " native thread priorities. Higher Java thread priorities map "\ | |
| 3282 " to higher native thread priorities. This policy should be "\ | |
| 3283 " used with care, as sometimes it can cause performance "\ | |
| 3284 " degradation in the application and/or the entire system. On "\ | |
| 3285 " Linux this policy requires root privilege.") \ | |
| 3286 \ | |
| 3287 product(bool, ThreadPriorityVerbose, false, \ | |
|
4854
de268c8a8075
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
4807
diff
changeset
|
3288 "Print priority changes") \ |
| 0 | 3289 \ |
| 3290 product(intx, DefaultThreadPriority, -1, \ | |
|
4854
de268c8a8075
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
4807
diff
changeset
|
3291 "The native priority at which threads run if not elsewhere " \ |
|
de268c8a8075
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phh
parents:
4807
diff
changeset
|
3292 "specified (-1 means no change)") \ |
| 0 | 3293 \ |
| 3294 product(intx, CompilerThreadPriority, -1, \ | |
|
4854
de268c8a8075
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
4807
diff
changeset
|
3295 "The native priority at which compiler threads should run " \ |
|
de268c8a8075
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
4807
diff
changeset
|
3296 "(-1 means no change)") \ |
| 0 | 3297 \ |
| 3298 product(intx, VMThreadPriority, -1, \ | |
|
4854
de268c8a8075
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
4807
diff
changeset
|
3299 "The native priority at which the VM thread should run " \ |
|
de268c8a8075
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phh
parents:
4807
diff
changeset
|
3300 "(-1 means no change)") \ |
| 0 | 3301 \ |
| 3302 product(bool, CompilerThreadHintNoPreempt, true, \ | |
| 3303 "(Solaris only) Give compiler threads an extra quanta") \ | |
| 3304 \ | |
| 3305 product(bool, VMThreadHintNoPreempt, false, \ | |
| 3306 "(Solaris only) Give VM thread an extra quanta") \ | |
| 3307 \ | |
| 3308 product(intx, JavaPriority1_To_OSPriority, -1, "Map Java priorities to OS priorities") \ | |
| 3309 product(intx, JavaPriority2_To_OSPriority, -1, "Map Java priorities to OS priorities") \ | |
| 3310 product(intx, JavaPriority3_To_OSPriority, -1, "Map Java priorities to OS priorities") \ | |
| 3311 product(intx, JavaPriority4_To_OSPriority, -1, "Map Java priorities to OS priorities") \ | |
| 3312 product(intx, JavaPriority5_To_OSPriority, -1, "Map Java priorities to OS priorities") \ | |
| 3313 product(intx, JavaPriority6_To_OSPriority, -1, "Map Java priorities to OS priorities") \ | |
| 3314 product(intx, JavaPriority7_To_OSPriority, -1, "Map Java priorities to OS priorities") \ | |
| 3315 product(intx, JavaPriority8_To_OSPriority, -1, "Map Java priorities to OS priorities") \ | |
| 3316 product(intx, JavaPriority9_To_OSPriority, -1, "Map Java priorities to OS priorities") \ | |
| 3317 product(intx, JavaPriority10_To_OSPriority,-1, "Map Java priorities to OS priorities") \ | |
| 3318 \ | |
|
4854
de268c8a8075
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
4807
diff
changeset
|
3319 experimental(bool, UseCriticalJavaThreadPriority, false, \ |
|
de268c8a8075
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
4807
diff
changeset
|
3320 "Java thread priority 10 maps to critical scheduling priority") \ |
|
de268c8a8075
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
4807
diff
changeset
|
3321 \ |
|
de268c8a8075
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
4807
diff
changeset
|
3322 experimental(bool, UseCriticalCompilerThreadPriority, false, \ |
|
de268c8a8075
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
4807
diff
changeset
|
3323 "Compiler thread(s) run at critical scheduling priority") \ |
|
de268c8a8075
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
4807
diff
changeset
|
3324 \ |
|
de268c8a8075
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
4807
diff
changeset
|
3325 experimental(bool, UseCriticalCMSThreadPriority, false, \ |
|
de268c8a8075
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
4807
diff
changeset
|
3326 "ConcurrentMarkSweep thread runs at critical scheduling priority")\ |
|
de268c8a8075
7082553: Interpret Thread.setPriority(Thread.MAX_PRIORITY) to mean FX60 on Solaris 10 and 11
phh
parents:
4807
diff
changeset
|
3327 \ |
| 0 | 3328 /* compiler debugging */ \ |
| 3329 notproduct(intx, CompileTheWorldStartAt, 1, \ | |
| 3330 "First class to consider when using +CompileTheWorld") \ | |
| 3331 \ | |
| 3332 notproduct(intx, CompileTheWorldStopAt, max_jint, \ | |
| 3333 "Last class to consider when using +CompileTheWorld") \ | |
| 3334 \ | |
| 3335 develop(intx, NewCodeParameter, 0, \ | |
| 3336 "Testing Only: Create a dedicated integer parameter before " \ | |
| 3337 "putback") \ | |
| 3338 \ | |
| 3339 /* new oopmap storage allocation */ \ | |
| 3340 develop(intx, MinOopMapAllocation, 8, \ | |
| 3341 "Minimum number of OopMap entries in an OopMapSet") \ | |
| 3342 \ | |
| 3343 /* Background Compilation */ \ | |
| 3344 develop(intx, LongCompileThreshold, 50, \ | |
| 3345 "Used with +TraceLongCompiles") \ | |
| 3346 \ | |
| 3347 product(intx, StarvationMonitorInterval, 200, \ | |
| 3348 "Pause between each check in ms") \ | |
| 3349 \ | |
| 3350 /* recompilation */ \ | |
| 3351 product_pd(intx, CompileThreshold, \ | |
| 3352 "number of interpreted method invocations before (re-)compiling") \ | |
| 3353 \ | |
| 3354 product_pd(intx, BackEdgeThreshold, \ | |
| 3355 "Interpreter Back edge threshold at which an OSR compilation is invoked")\ | |
| 3356 \ | |
| 1783 | 3357 product(intx, Tier0InvokeNotifyFreqLog, 7, \ |
| 3358 "Interpreter (tier 0) invocation notification frequency.") \ | |
| 3359 \ | |
| 3360 product(intx, Tier2InvokeNotifyFreqLog, 11, \ | |
| 3361 "C1 without MDO (tier 2) invocation notification frequency.") \ | |
| 3362 \ | |
| 3363 product(intx, Tier3InvokeNotifyFreqLog, 10, \ | |
| 3364 "C1 with MDO profiling (tier 3) invocation notification " \ | |
| 3365 "frequency.") \ | |
| 3366 \ | |
|
3964
dc45ae774613
7096639: Tiered: Incorrect counter overflow handling for inlined methods
iveresov
parents:
3960
diff
changeset
|
3367 product(intx, Tier23InlineeNotifyFreqLog, 20, \ |
|
dc45ae774613
7096639: Tiered: Incorrect counter overflow handling for inlined methods
iveresov
parents:
3960
diff
changeset
|
3368 "Inlinee invocation (tiers 2 and 3) notification frequency") \ |
|
dc45ae774613
7096639: Tiered: Incorrect counter overflow handling for inlined methods
iveresov
parents:
3960
diff
changeset
|
3369 \ |
| 1783 | 3370 product(intx, Tier0BackedgeNotifyFreqLog, 10, \ |
| 3371 "Interpreter (tier 0) invocation notification frequency.") \ | |
| 3372 \ | |
| 3373 product(intx, Tier2BackedgeNotifyFreqLog, 14, \ | |
| 3374 "C1 without MDO (tier 2) invocation notification frequency.") \ | |
| 3375 \ | |
| 3376 product(intx, Tier3BackedgeNotifyFreqLog, 13, \ | |
| 3377 "C1 with MDO profiling (tier 3) invocation notification " \ | |
| 3378 "frequency.") \ | |
| 3379 \ | |
| 3380 product(intx, Tier2CompileThreshold, 0, \ | |
| 3381 "threshold at which tier 2 compilation is invoked") \ | |
| 3382 \ | |
| 3383 product(intx, Tier2BackEdgeThreshold, 0, \ | |
| 3384 "Back edge threshold at which tier 2 compilation is invoked") \ | |
| 3385 \ | |
| 3386 product(intx, Tier3InvocationThreshold, 200, \ | |
| 3387 "Compile if number of method invocations crosses this " \ | |
| 3388 "threshold") \ | |
| 3389 \ | |
| 3390 product(intx, Tier3MinInvocationThreshold, 100, \ | |
| 3391 "Minimum invocation to compile at tier 3") \ | |
| 3392 \ | |
| 3393 product(intx, Tier3CompileThreshold, 2000, \ | |
| 3394 "Threshold at which tier 3 compilation is invoked (invocation " \ | |
| 3395 "minimum must be satisfied.") \ | |
| 3396 \ | |
| 4819 | 3397 product(intx, Tier3BackEdgeThreshold, 60000, \ |
| 1783 | 3398 "Back edge threshold at which tier 3 OSR compilation is invoked") \ |
| 3399 \ | |
| 3400 product(intx, Tier4InvocationThreshold, 5000, \ | |
| 3401 "Compile if number of method invocations crosses this " \ | |
| 3402 "threshold") \ | |
| 3403 \ | |
| 3404 product(intx, Tier4MinInvocationThreshold, 600, \ | |
| 3405 "Minimum invocation to compile at tier 4") \ | |
| 3406 \ | |
| 3407 product(intx, Tier4CompileThreshold, 15000, \ | |
| 3408 "Threshold at which tier 4 compilation is invoked (invocation " \ | |
| 3409 "minimum must be satisfied.") \ | |
| 3410 \ | |
| 3411 product(intx, Tier4BackEdgeThreshold, 40000, \ | |
| 3412 "Back edge threshold at which tier 4 OSR compilation is invoked") \ | |
| 3413 \ | |
| 3414 product(intx, Tier3DelayOn, 5, \ | |
| 3415 "If C2 queue size grows over this amount per compiler thread " \ | |
| 3416 "stop compiling at tier 3 and start compiling at tier 2") \ | |
| 3417 \ | |
| 3418 product(intx, Tier3DelayOff, 2, \ | |
| 3419 "If C2 queue size is less than this amount per compiler thread " \ | |
| 3420 "allow methods compiled at tier 2 transition to tier 3") \ | |
| 3421 \ | |
| 3422 product(intx, Tier3LoadFeedback, 5, \ | |
| 3423 "Tier 3 thresholds will increase twofold when C1 queue size " \ | |
| 3424 "reaches this amount per compiler thread") \ | |
| 3425 \ | |
| 3426 product(intx, Tier4LoadFeedback, 3, \ | |
| 3427 "Tier 4 thresholds will increase twofold when C2 queue size " \ | |
| 3428 "reaches this amount per compiler thread") \ | |
| 3429 \ | |
| 3430 product(intx, TieredCompileTaskTimeout, 50, \ | |
| 3431 "Kill compile task if method was not used within " \ | |
| 3432 "given timeout in milliseconds") \ | |
| 3433 \ | |
| 3434 product(intx, TieredStopAtLevel, 4, \ | |
| 3435 "Stop at given compilation level") \ | |
| 3436 \ | |
| 3437 product(intx, Tier0ProfilingStartPercentage, 200, \ | |
| 3438 "Start profiling in interpreter if the counters exceed tier 3" \ | |
| 3439 "thresholds by the specified percentage") \ | |
| 3440 \ | |
| 3441 product(intx, TieredRateUpdateMinTime, 1, \ | |
| 3442 "Minimum rate sampling interval (in milliseconds)") \ | |
| 3443 \ | |
| 3444 product(intx, TieredRateUpdateMaxTime, 25, \ | |
| 3445 "Maximum rate sampling interval (in milliseconds)") \ | |
| 0 | 3446 \ |
| 3447 product_pd(bool, TieredCompilation, \ | |
| 1783 | 3448 "Enable tiered compilation") \ |
| 3449 \ | |
| 3450 product(bool, PrintTieredEvents, false, \ | |
| 3451 "Print tiered events notifications") \ | |
| 0 | 3452 \ |
| 3453 product_pd(intx, OnStackReplacePercentage, \ | |
| 3454 "NON_TIERED number of method invocations/branches (expressed as %"\ | |
| 3455 "of CompileThreshold) before (re-)compiling OSR code") \ | |
| 3456 \ | |
| 3457 product(intx, InterpreterProfilePercentage, 33, \ | |
| 3458 "NON_TIERED number of method invocations/branches (expressed as %"\ | |
| 3459 "of CompileThreshold) before profiling in the interpreter") \ | |
| 3460 \ | |
| 3461 develop(intx, MaxRecompilationSearchLength, 10, \ | |
| 3462 "max. # frames to inspect searching for recompilee") \ | |
| 3463 \ | |
| 3464 develop(intx, MaxInterpretedSearchLength, 3, \ | |
| 3465 "max. # interp. frames to skip when searching for recompilee") \ | |
| 3466 \ | |
| 3467 develop(intx, DesiredMethodLimit, 8000, \ | |
| 3468 "desired max. method size (in bytecodes) after inlining") \ | |
| 3469 \ | |
| 3470 develop(intx, HugeMethodLimit, 8000, \ | |
| 3471 "don't compile methods larger than this if " \ | |
| 3472 "+DontCompileHugeMethods") \ | |
| 3473 \ | |
| 3474 /* New JDK 1.4 reflection implementation */ \ | |
| 3475 \ | |
| 3476 develop(bool, UseNewReflection, true, \ | |
| 3477 "Temporary flag for transition to reflection based on dynamic " \ | |
| 3478 "bytecode generation in 1.4; can no longer be turned off in 1.4 " \ | |
| 3479 "JDK, and is unneeded in 1.3 JDK, but marks most places VM " \ | |
| 3480 "changes were needed") \ | |
| 3481 \ | |
| 3482 develop(bool, VerifyReflectionBytecodes, false, \ | |
| 3483 "Force verification of 1.4 reflection bytecodes. Does not work " \ | |
| 3484 "in situations like that described in 4486457 or for " \ | |
| 3485 "constructors generated for serialization, so can not be enabled "\ | |
| 3486 "in product.") \ | |
| 3487 \ | |
| 3488 product(bool, ReflectionWrapResolutionErrors, true, \ | |
| 3489 "Temporary flag for transition to AbstractMethodError wrapped " \ | |
| 3490 "in InvocationTargetException. See 6531596") \ | |
| 3491 \ | |
| 3492 \ | |
| 3493 develop(intx, FastSuperclassLimit, 8, \ | |
| 3494 "Depth of hardwired instanceof accelerator array") \ | |
| 3495 \ | |
| 3496 /* Properties for Java libraries */ \ | |
| 3497 \ | |
|
6199
3f1ab0c19c30
7179383: MaxDirectMemorySize argument parsing is broken for values >2G
dholmes
parents:
6197
diff
changeset
|
3498 product(uintx, MaxDirectMemorySize, 0, \ |
| 0 | 3499 "Maximum total size of NIO direct-buffer allocations") \ |
| 3500 \ | |
| 3501 /* temporary developer defined flags */ \ | |
| 3502 \ | |
| 3503 diagnostic(bool, UseNewCode, false, \ | |
| 3504 "Testing Only: Use the new version while testing") \ | |
| 3505 \ | |
| 3506 diagnostic(bool, UseNewCode2, false, \ | |
| 3507 "Testing Only: Use the new version while testing") \ | |
| 3508 \ | |
| 3509 diagnostic(bool, UseNewCode3, false, \ | |
| 3510 "Testing Only: Use the new version while testing") \ | |
| 3511 \ | |
| 3512 /* flags for performance data collection */ \ | |
| 3513 \ | |
|
3797
eb94b7226b7a
7061192: option handling adjustments for oracle and embedded builds
jcoomes
parents:
3780
diff
changeset
|
3514 product(bool, UsePerfData, falseInEmbedded, \ |
| 0 | 3515 "Flag to disable jvmstat instrumentation for performance testing" \ |
|
3797
eb94b7226b7a
7061192: option handling adjustments for oracle and embedded builds
jcoomes
parents:
3780
diff
changeset
|
3516 "and problem isolation purposes.") \ |
| 0 | 3517 \ |
| 3518 product(bool, PerfDataSaveToFile, false, \ | |
| 3519 "Save PerfData memory to hsperfdata_<pid> file on exit") \ | |
| 3520 \ | |
| 3521 product(ccstr, PerfDataSaveFile, NULL, \ | |
| 3522 "Save PerfData memory to the specified absolute pathname," \ | |
| 3523 "%p in the file name if present will be replaced by pid") \ | |
| 3524 \ | |
| 3525 product(intx, PerfDataSamplingInterval, 50 /*ms*/, \ | |
| 3526 "Data sampling interval in milliseconds") \ | |
| 3527 \ | |
| 3528 develop(bool, PerfTraceDataCreation, false, \ | |
| 3529 "Trace creation of Performance Data Entries") \ | |
| 3530 \ | |
| 3531 develop(bool, PerfTraceMemOps, false, \ | |
| 3532 "Trace PerfMemory create/attach/detach calls") \ | |
| 3533 \ | |
| 3534 product(bool, PerfDisableSharedMem, false, \ | |
| 3535 "Store performance data in standard memory") \ | |
| 3536 \ | |
| 3537 product(intx, PerfDataMemorySize, 32*K, \ | |
| 3538 "Size of performance data memory region. Will be rounded " \ | |
| 3539 "up to a multiple of the native os page size.") \ | |
| 3540 \ | |
| 3541 product(intx, PerfMaxStringConstLength, 1024, \ | |
| 3542 "Maximum PerfStringConstant string length before truncation") \ | |
| 3543 \ | |
| 3544 product(bool, PerfAllowAtExitRegistration, false, \ | |
| 3545 "Allow registration of atexit() methods") \ | |
| 3546 \ | |
| 3547 product(bool, PerfBypassFileSystemCheck, false, \ | |
| 3548 "Bypass Win32 file system criteria checks (Windows Only)") \ | |
| 3549 \ | |
| 3550 product(intx, UnguardOnExecutionViolation, 0, \ | |
| 3551 "Unguard page and retry on no-execute fault (Win32 only)" \ | |
| 3552 "0=off, 1=conservative, 2=aggressive") \ | |
| 3553 \ | |
| 3554 /* Serviceability Support */ \ | |
| 3555 \ | |
| 3556 product(bool, ManagementServer, false, \ | |
| 3557 "Create JMX Management Server") \ | |
| 3558 \ | |
| 3559 product(bool, DisableAttachMechanism, false, \ | |
| 3560 "Disable mechanism that allows tools to attach to this VM") \ | |
| 3561 \ | |
| 3562 product(bool, StartAttachListener, false, \ | |
| 3563 "Always start Attach Listener at VM startup") \ | |
| 3564 \ | |
| 3565 manageable(bool, PrintConcurrentLocks, false, \ | |
| 3566 "Print java.util.concurrent locks in thread dump") \ | |
| 3567 \ | |
|
2209
e9aa2ca89ad6
7019718: make error reporting flags product instead of diagnostic
kamg
parents:
2204
diff
changeset
|
3568 product(bool, TransmitErrorReport, false, \ |
|
2199
d8a72fbc4be7
7003401: Implement VM error-reporting functionality on erroneous termination
kamg
parents:
2192
diff
changeset
|
3569 "Enable error report transmission on erroneous termination") \ |
|
d8a72fbc4be7
7003401: Implement VM error-reporting functionality on erroneous termination
kamg
parents:
2192
diff
changeset
|
3570 \ |
|
2209
e9aa2ca89ad6
7019718: make error reporting flags product instead of diagnostic
kamg
parents:
2204
diff
changeset
|
3571 product(ccstr, ErrorReportServer, NULL, \ |
|
2199
d8a72fbc4be7
7003401: Implement VM error-reporting functionality on erroneous termination
kamg
parents:
2192
diff
changeset
|
3572 "Override built-in error report server address") \ |
|
d8a72fbc4be7
7003401: Implement VM error-reporting functionality on erroneous termination
kamg
parents:
2192
diff
changeset
|
3573 \ |
| 0 | 3574 /* Shared spaces */ \ |
| 3575 \ | |
| 3576 product(bool, UseSharedSpaces, true, \ | |
|
7461
561148896559
8005076: Creating a CDS archive with one alignment and running another causes a crash.
hseigel
parents:
7428
diff
changeset
|
3577 "Use shared spaces for metadata") \ |
| 0 | 3578 \ |
| 3579 product(bool, RequireSharedSpaces, false, \ | |
|
7461
561148896559
8005076: Creating a CDS archive with one alignment and running another causes a crash.
hseigel
parents:
7428
diff
changeset
|
3580 "Require shared spaces for metadata") \ |
| 0 | 3581 \ |
| 3582 product(bool, DumpSharedSpaces, false, \ | |
| 3583 "Special mode: JVM reads a class list, loads classes, builds " \ | |
| 3584 "shared spaces, and dumps the shared spaces to a file to be " \ | |
| 3585 "used in future JVM runs.") \ | |
| 3586 \ | |
| 3587 product(bool, PrintSharedSpaces, false, \ | |
| 3588 "Print usage of shared spaces") \ | |
| 3589 \ | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6633
diff
changeset
|
3590 product(uintx, SharedReadWriteSize, NOT_LP64(12*M) LP64_ONLY(16*M), \ |
|
7461
561148896559
8005076: Creating a CDS archive with one alignment and running another causes a crash.
hseigel
parents:
7428
diff
changeset
|
3591 "Size of read-write space for metadata (in bytes)") \ |
| 0 | 3592 \ |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6633
diff
changeset
|
3593 product(uintx, SharedReadOnlySize, NOT_LP64(12*M) LP64_ONLY(16*M), \ |
|
7461
561148896559
8005076: Creating a CDS archive with one alignment and running another causes a crash.
hseigel
parents:
7428
diff
changeset
|
3594 "Size of read-only space for metadata (in bytes)") \ |
| 0 | 3595 \ |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6633
diff
changeset
|
3596 product(uintx, SharedMiscDataSize, NOT_LP64(2*M) LP64_ONLY(4*M), \ |
|
7461
561148896559
8005076: Creating a CDS archive with one alignment and running another causes a crash.
hseigel
parents:
7428
diff
changeset
|
3597 "Size of the shared miscellaneous data area (in bytes)") \ |
| 0 | 3598 \ |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6633
diff
changeset
|
3599 product(uintx, SharedMiscCodeSize, 120*K, \ |
|
7461
561148896559
8005076: Creating a CDS archive with one alignment and running another causes a crash.
hseigel
parents:
7428
diff
changeset
|
3600 "Size of the shared miscellaneous code area (in bytes)") \ |
| 0 | 3601 \ |
|
8804
91bf0bdae37b
8008217: CDS: Class data sharing limits the malloc heap on Solaris
coleenp
parents:
8802
diff
changeset
|
3602 product(uintx, SharedBaseAddress, LP64_ONLY(32*G) \ |
|
91bf0bdae37b
8008217: CDS: Class data sharing limits the malloc heap on Solaris
coleenp
parents:
8802
diff
changeset
|
3603 NOT_LP64(LINUX_ONLY(2*G) NOT_LINUX(0)), \ |
|
91bf0bdae37b
8008217: CDS: Class data sharing limits the malloc heap on Solaris
coleenp
parents:
8802
diff
changeset
|
3604 "Address to allocate shared memory region for class data") \ |
| 0 | 3605 \ |
|
2416
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2403
diff
changeset
|
3606 diagnostic(bool, EnableInvokeDynamic, true, \ |
|
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2403
diff
changeset
|
3607 "support JSR 292 (method handles, invokedynamic, " \ |
|
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2403
diff
changeset
|
3608 "anonymous classes") \ |
|
38fea01eb669
6817525: turn on method handle functionality by default for JSR 292
twisti
parents:
2403
diff
changeset
|
3609 \ |
|
3757
f8c9417e3571
7052219: JSR 292: Crash in ~BufferBlob::MethodHandles adapters
never
parents:
3745
diff
changeset
|
3610 diagnostic(bool, PrintMethodHandleStubs, false, \ |
|
f8c9417e3571
7052219: JSR 292: Crash in ~BufferBlob::MethodHandles adapters
never
parents:
3745
diff
changeset
|
3611 "Print generated stub code for method handles") \ |
|
f8c9417e3571
7052219: JSR 292: Crash in ~BufferBlob::MethodHandles adapters
never
parents:
3745
diff
changeset
|
3612 \ |
| 710 | 3613 develop(bool, TraceMethodHandles, false, \ |
| 3614 "trace internal method handle operations") \ | |
| 3615 \ | |
| 3616 diagnostic(bool, VerifyMethodHandles, trueInDebug, \ | |
| 3617 "perform extra checks when constructing method handles") \ | |
| 3618 \ | |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6199
diff
changeset
|
3619 diagnostic(bool, ShowHiddenFrames, false, \ |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6199
diff
changeset
|
3620 "show method handle implementation frames (usually hidden)") \ |
|
3388
a80577f854f9
7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents:
3384
diff
changeset
|
3621 \ |
|
1173
73b22f919c34
6912065: final fields in objects need to support inlining optimizations for JSR 292
jrose
parents:
1157
diff
changeset
|
3622 experimental(bool, TrustFinalNonStaticFields, false, \ |
|
73b22f919c34
6912065: final fields in objects need to support inlining optimizations for JSR 292
jrose
parents:
1157
diff
changeset
|
3623 "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
|
3624 \ |
|
726
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
712
diff
changeset
|
3625 develop(bool, TraceInvokeDynamic, false, \ |
|
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
712
diff
changeset
|
3626 "trace internal invoke dynamic operations") \ |
|
be93aad57795
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
712
diff
changeset
|
3627 \ |
| 0 | 3628 diagnostic(bool, PauseAtStartup, false, \ |
| 3629 "Causes the VM to pause at startup time and wait for the pause " \ | |
| 3630 "file to be removed (default: ./vm.paused.<pid>)") \ | |
| 3631 \ | |
| 3632 diagnostic(ccstr, PauseAtStartupFile, NULL, \ | |
| 3633 "The file to create and for whose removal to await when pausing " \ | |
| 3634 "at startup. (default: ./vm.paused.<pid>)") \ | |
| 3635 \ | |
|
2302
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2265
diff
changeset
|
3636 diagnostic(bool, PauseAtExit, false, \ |
|
da091bb67459
7022037: Pause when exiting if debugger is attached on windows
sla
parents:
2265
diff
changeset
|
3637 "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
|
3638 \ |
| 0 | 3639 product(bool, ExtendedDTraceProbes, false, \ |
| 3640 "Enable performance-impacting dtrace probes") \ | |
| 3641 \ | |
| 3642 product(bool, DTraceMethodProbes, false, \ | |
| 3643 "Enable dtrace probes for method-entry and method-exit") \ | |
| 3644 \ | |
| 3645 product(bool, DTraceAllocProbes, false, \ | |
| 3646 "Enable dtrace probes for object allocation") \ | |
| 3647 \ | |
| 3648 product(bool, DTraceMonitorProbes, false, \ | |
| 3649 "Enable dtrace probes for monitor events") \ | |
| 3650 \ | |
| 3651 product(bool, RelaxAccessControlCheck, false, \ | |
| 3652 "Relax the access control checks in the verifier") \ | |
| 3653 \ | |
|
116
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3654 diagnostic(bool, PrintDTraceDOF, false, \ |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
113
diff
changeset
|
3655 "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
|
3656 \ |
|
6982
e4f764ddb06a
7122219: Passed StringTableSize value not verified
hseigel
parents:
6935
diff
changeset
|
3657 product(uintx, StringTableSize, defaultStringTableSize, \ |
| 2378 | 3658 "Number of buckets in the interned String table") \ |
| 3659 \ | |
| 6934 | 3660 develop(bool, TraceDefaultMethods, false, \ |
| 3661 "Trace the default method processing steps") \ | |
| 3662 \ | |
| 3663 develop(bool, ParseAllGenericSignatures, false, \ | |
| 3664 "Parse all generic signatures while classloading") \ | |
| 3665 \ | |
| 3666 develop(bool, VerifyGenericSignatures, false, \ | |
| 3667 "Abort VM on erroneous or inconsistent generic signatures") \ | |
| 3668 \ | |
|
449
171e581e8161
6554406: Change switch UseVMInterruptibleIO default to false (sol)
xlu
parents:
443
diff
changeset
|
3669 product(bool, UseVMInterruptibleIO, false, \ |
| 0 | 3670 "(Unstable, Solaris-specific) Thread interrupt before or with " \ |
|
449
171e581e8161
6554406: Change switch UseVMInterruptibleIO default to false (sol)
xlu
parents:
443
diff
changeset
|
3671 "EINTR for I/O operations results in OS_INTRPT. The default value"\ |
| 5915 | 3672 " of this flag is true for JDK 6 and earlier") \ |
| 3673 \ | |
| 3674 diagnostic(bool, WhiteBoxAPI, false, \ | |
|
6064
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
5979
diff
changeset
|
3675 "Enable internal testing APIs") \ |
|
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
5979
diff
changeset
|
3676 \ |
|
9d679effd28c
7166894: Add gc cause to GC logging for all collectors
brutisso
parents:
5979
diff
changeset
|
3677 product(bool, PrintGCCause, true, \ |
| 8702 | 3678 "Include GC cause in GC logging") \ |
| 3679 \ | |
|
9073
83f27710f5f7
7197666: java -d64 -version core dumps in a box with lots of memory
brutisso
parents:
9071
diff
changeset
|
3680 product(bool , AllowNonVirtualCalls, false, \ |
|
83f27710f5f7
7197666: java -d64 -version core dumps in a box with lots of memory
brutisso
parents:
9071
diff
changeset
|
3681 "Obey the ACC_SUPER flag and allow invokenonvirtual calls") \ |
|
83f27710f5f7
7197666: java -d64 -version core dumps in a box with lots of memory
brutisso
parents:
9071
diff
changeset
|
3682 \ |
|
83f27710f5f7
7197666: java -d64 -version core dumps in a box with lots of memory
brutisso
parents:
9071
diff
changeset
|
3683 experimental(uintx, ArrayAllocatorMallocLimit, \ |
|
83f27710f5f7
7197666: java -d64 -version core dumps in a box with lots of memory
brutisso
parents:
9071
diff
changeset
|
3684 SOLARIS_ONLY(64*K) NOT_SOLARIS(max_uintx), \ |
|
83f27710f5f7
7197666: java -d64 -version core dumps in a box with lots of memory
brutisso
parents:
9071
diff
changeset
|
3685 "Allocation less than this value will be allocated " \ |
|
83f27710f5f7
7197666: java -d64 -version core dumps in a box with lots of memory
brutisso
parents:
9071
diff
changeset
|
3686 "using malloc. Larger allocations will use mmap.") |
| 0 | 3687 |
| 3688 /* | |
| 3689 * Macros for factoring of globals | |
| 3690 */ | |
| 3691 | |
| 3692 // Interface macros | |
| 3693 #define DECLARE_PRODUCT_FLAG(type, name, value, doc) extern "C" type name; | |
| 3694 #define DECLARE_PD_PRODUCT_FLAG(type, name, doc) extern "C" type name; | |
| 3695 #define DECLARE_DIAGNOSTIC_FLAG(type, name, value, doc) extern "C" type name; | |
|
350
d28aa69f0959
6618726: Introduce -XX:+UnlockExperimentalVMOptions flag
ysr
parents:
348
diff
changeset
|
3696 #define DECLARE_EXPERIMENTAL_FLAG(type, name, value, doc) extern "C" type name; |
| 0 | 3697 #define DECLARE_MANAGEABLE_FLAG(type, name, value, doc) extern "C" type name; |
| 3698 #define DECLARE_PRODUCT_RW_FLAG(type, name, value, doc) extern "C" type name; | |
| 3699 #ifdef PRODUCT | |
| 3700 #define DECLARE_DEVELOPER_FLAG(type, name, value, doc) const type name = value; | |
| 3701 #define DECLARE_PD_DEVELOPER_FLAG(type, name, doc) const type name = pd_##name; | |
| 3702 #define DECLARE_NOTPRODUCT_FLAG(type, name, value, doc) | |
| 3703 #else | |
| 3704 #define DECLARE_DEVELOPER_FLAG(type, name, value, doc) extern "C" type name; | |
| 3705 #define DECLARE_PD_DEVELOPER_FLAG(type, name, doc) extern "C" type name; | |
| 3706 #define DECLARE_NOTPRODUCT_FLAG(type, name, value, doc) extern "C" type name; | |
| 3707 #endif | |
|
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
109
diff
changeset
|
3708 // 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
|
3709 #ifdef _LP64 |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
109
diff
changeset
|
3710 #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
|
3711 #else |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
109
diff
changeset
|
3712 #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
|
3713 #endif // _LP64 |
| 0 | 3714 |
| 3715 // Implementation macros | |
| 3716 #define MATERIALIZE_PRODUCT_FLAG(type, name, value, doc) type name = value; | |
| 3717 #define MATERIALIZE_PD_PRODUCT_FLAG(type, name, doc) type name = pd_##name; | |
| 3718 #define MATERIALIZE_DIAGNOSTIC_FLAG(type, name, value, doc) type name = value; | |
|
350
d28aa69f0959
6618726: Introduce -XX:+UnlockExperimentalVMOptions flag
ysr
parents:
348
diff
changeset
|
3719 #define MATERIALIZE_EXPERIMENTAL_FLAG(type, name, value, doc) type name = value; |
| 0 | 3720 #define MATERIALIZE_MANAGEABLE_FLAG(type, name, value, doc) type name = value; |
| 3721 #define MATERIALIZE_PRODUCT_RW_FLAG(type, name, value, doc) type name = value; | |
| 3722 #ifdef PRODUCT | |
| 3723 #define MATERIALIZE_DEVELOPER_FLAG(type, name, value, doc) /* flag name is constant */ | |
| 3724 #define MATERIALIZE_PD_DEVELOPER_FLAG(type, name, doc) /* flag name is constant */ | |
| 3725 #define MATERIALIZE_NOTPRODUCT_FLAG(type, name, value, doc) | |
| 3726 #else | |
| 3727 #define MATERIALIZE_DEVELOPER_FLAG(type, name, value, doc) type name = value; | |
| 3728 #define MATERIALIZE_PD_DEVELOPER_FLAG(type, name, doc) type name = pd_##name; | |
| 3729 #define MATERIALIZE_NOTPRODUCT_FLAG(type, name, value, doc) type name = value; | |
| 3730 #endif | |
|
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
109
diff
changeset
|
3731 #ifdef _LP64 |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
109
diff
changeset
|
3732 #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
|
3733 #else |
|
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
109
diff
changeset
|
3734 #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
|
3735 #endif // _LP64 |
| 0 | 3736 |
|
350
d28aa69f0959
6618726: Introduce -XX:+UnlockExperimentalVMOptions flag
ysr
parents:
348
diff
changeset
|
3737 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 | 3738 |
| 3739 RUNTIME_OS_FLAGS(DECLARE_DEVELOPER_FLAG, DECLARE_PD_DEVELOPER_FLAG, DECLARE_PRODUCT_FLAG, DECLARE_PD_PRODUCT_FLAG, DECLARE_DIAGNOSTIC_FLAG, DECLARE_NOTPRODUCT_FLAG) | |
| 1972 | 3740 |
|
6633
a5dd6e3ef9f3
6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents:
6608
diff
changeset
|
3741 ARCH_FLAGS(DECLARE_DEVELOPER_FLAG, DECLARE_PRODUCT_FLAG, DECLARE_DIAGNOSTIC_FLAG, DECLARE_EXPERIMENTAL_FLAG, DECLARE_NOTPRODUCT_FLAG) |
|
a5dd6e3ef9f3
6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents:
6608
diff
changeset
|
3742 |
|
4107
cd00eaeebef6
7117389: Add a framework for vendor-specific command line switch extensions to Hotspot
phh
parents:
4088
diff
changeset
|
3743 // Extensions |
|
cd00eaeebef6
7117389: Add a framework for vendor-specific command line switch extensions to Hotspot
phh
parents:
4088
diff
changeset
|
3744 |
|
cd00eaeebef6
7117389: Add a framework for vendor-specific command line switch extensions to Hotspot
phh
parents:
4088
diff
changeset
|
3745 #include "runtime/globals_ext.hpp" |
|
cd00eaeebef6
7117389: Add a framework for vendor-specific command line switch extensions to Hotspot
phh
parents:
4088
diff
changeset
|
3746 |
| 1972 | 3747 #endif // SHARE_VM_RUNTIME_GLOBALS_HPP |