Mercurial > hg > graal-compiler
annotate src/share/vm/runtime/globals.hpp @ 1145:e018e6884bd8
6631166: CMS: better heuristics when combatting fragmentation
Summary: Autonomic per-worker free block cache sizing, tunable coalition policies, fixes to per-size block statistics, retuned gain and bandwidth of some feedback loop filters to allow quicker reactivity to abrupt changes in ambient demand, and other heuristics to reduce fragmentation of the CMS old gen. Also tightened some assertions, including those related to locking.
Reviewed-by: jmasa
| author | ysr |
|---|---|
| date | Wed, 23 Dec 2009 09:23:54 -0800 |
| parents | 473cce303f13 |
| children | 504830073409 |
| rev | line source |
|---|---|
| 0 | 1 /* |
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2 * Copyright 1997-2009 Sun Microsystems, Inc. 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 * | |
| 19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, | |
| 20 * CA 95054 USA or visit www.sun.com if you need additional information or | |
| 21 * have any questions. | |
| 22 * | |
| 23 */ | |
| 24 | |
| 25 #if !defined(COMPILER1) && !defined(COMPILER2) | |
| 26 define_pd_global(bool, BackgroundCompilation, false); | |
| 27 define_pd_global(bool, UseTLAB, false); | |
| 28 define_pd_global(bool, CICompileOSR, false); | |
| 29 define_pd_global(bool, UseTypeProfile, false); | |
| 30 define_pd_global(bool, UseOnStackReplacement, false); | |
| 31 define_pd_global(bool, InlineIntrinsics, false); | |
| 32 define_pd_global(bool, PreferInterpreterNativeStubs, true); | |
| 33 define_pd_global(bool, ProfileInterpreter, false); | |
| 34 define_pd_global(bool, ProfileTraps, false); | |
| 35 define_pd_global(bool, TieredCompilation, false); | |
| 36 | |
| 37 define_pd_global(intx, CompileThreshold, 0); | |
| 38 define_pd_global(intx, Tier2CompileThreshold, 0); | |
| 39 define_pd_global(intx, Tier3CompileThreshold, 0); | |
| 40 define_pd_global(intx, Tier4CompileThreshold, 0); | |
| 41 | |
| 42 define_pd_global(intx, BackEdgeThreshold, 0); | |
| 43 define_pd_global(intx, Tier2BackEdgeThreshold, 0); | |
| 44 define_pd_global(intx, Tier3BackEdgeThreshold, 0); | |
| 45 define_pd_global(intx, Tier4BackEdgeThreshold, 0); | |
| 46 | |
| 47 define_pd_global(intx, OnStackReplacePercentage, 0); | |
| 48 define_pd_global(bool, ResizeTLAB, false); | |
| 49 define_pd_global(intx, FreqInlineSize, 0); | |
| 1064 | 50 define_pd_global(intx, InlineSmallCode, 0); |
| 0 | 51 define_pd_global(intx, NewSizeThreadIncrease, 4*K); |
| 52 define_pd_global(intx, InlineClassNatives, true); | |
| 53 define_pd_global(intx, InlineUnsafeOps, true); | |
| 54 define_pd_global(intx, InitialCodeCacheSize, 160*K); | |
| 55 define_pd_global(intx, ReservedCodeCacheSize, 32*M); | |
| 56 define_pd_global(intx, CodeCacheExpansionSize, 32*K); | |
| 57 define_pd_global(intx, CodeCacheMinBlockLength, 1); | |
| 58 define_pd_global(uintx,PermSize, ScaleForWordSize(4*M)); | |
| 59 define_pd_global(uintx,MaxPermSize, ScaleForWordSize(64*M)); | |
| 60 define_pd_global(bool, NeverActAsServerClassMachine, true); | |
| 1064 | 61 define_pd_global(uint64_t,MaxRAM, 1ULL*G); |
| 0 | 62 #define CI_COMPILER_COUNT 0 |
| 63 #else | |
| 64 | |
| 65 #ifdef COMPILER2 | |
| 66 #define CI_COMPILER_COUNT 2 | |
| 67 #else | |
| 68 #define CI_COMPILER_COUNT 1 | |
| 69 #endif // COMPILER2 | |
| 70 | |
| 71 #endif // no compilers | |
| 72 | |
| 73 | |
| 74 // string type aliases used only in this file | |
| 75 typedef const char* ccstr; | |
| 76 typedef const char* ccstrlist; // represents string arguments which accumulate | |
| 77 | |
| 78 enum FlagValueOrigin { | |
| 79 DEFAULT = 0, | |
| 80 COMMAND_LINE = 1, | |
| 81 ENVIRON_VAR = 2, | |
| 82 CONFIG_FILE = 3, | |
| 83 MANAGEMENT = 4, | |
| 84 ERGONOMIC = 5, | |
| 85 ATTACH_ON_DEMAND = 6, | |
| 86 INTERNAL = 99 | |
| 87 }; | |
| 88 | |
| 89 struct Flag { | |
| 90 const char *type; | |
| 91 const char *name; | |
| 92 void* addr; | |
| 93 const char *kind; | |
| 94 FlagValueOrigin origin; | |
| 95 | |
| 96 // points to all Flags static array | |
| 97 static Flag *flags; | |
| 98 | |
| 99 // number of flags | |
| 100 static size_t numFlags; | |
| 101 | |
| 102 static Flag* find_flag(char* name, size_t length); | |
| 103 | |
| 104 bool is_bool() const { return strcmp(type, "bool") == 0; } | |
| 105 bool get_bool() const { return *((bool*) addr); } | |
| 106 void set_bool(bool value) { *((bool*) addr) = value; } | |
| 107 | |
| 108 bool is_intx() const { return strcmp(type, "intx") == 0; } | |
| 109 intx get_intx() const { return *((intx*) addr); } | |
| 110 void set_intx(intx value) { *((intx*) addr) = value; } | |
| 111 | |
| 112 bool is_uintx() const { return strcmp(type, "uintx") == 0; } | |
| 113 uintx get_uintx() const { return *((uintx*) addr); } | |
| 114 void set_uintx(uintx value) { *((uintx*) addr) = value; } | |
| 115 | |
| 1064 | 116 bool is_uint64_t() const { return strcmp(type, "uint64_t") == 0; } |
| 117 uint64_t get_uint64_t() const { return *((uint64_t*) addr); } | |
| 118 void set_uint64_t(uint64_t value) { *((uint64_t*) addr) = value; } | |
| 119 | |
| 0 | 120 bool is_double() const { return strcmp(type, "double") == 0; } |
| 121 double get_double() const { return *((double*) addr); } | |
| 122 void set_double(double value) { *((double*) addr) = value; } | |
| 123 | |
| 124 bool is_ccstr() const { return strcmp(type, "ccstr") == 0 || strcmp(type, "ccstrlist") == 0; } | |
| 125 bool ccstr_accumulates() const { return strcmp(type, "ccstrlist") == 0; } | |
| 126 ccstr get_ccstr() const { return *((ccstr*) addr); } | |
| 127 void set_ccstr(ccstr value) { *((ccstr*) addr) = value; } | |
| 128 | |
| 129 bool is_unlocker() const; | |
| 130 bool is_unlocked() const; | |
| 131 bool is_writeable() const; | |
| 132 bool is_external() const; | |
| 133 | |
| 134 void print_on(outputStream* st); | |
| 135 void print_as_flag(outputStream* st); | |
| 136 }; | |
| 137 | |
| 138 // debug flags control various aspects of the VM and are global accessible | |
| 139 | |
| 140 // use FlagSetting to temporarily change some debug flag | |
| 141 // e.g. FlagSetting fs(DebugThisAndThat, true); | |
| 142 // restored to previous value upon leaving scope | |
| 143 class FlagSetting { | |
| 144 bool val; | |
| 145 bool* flag; | |
| 146 public: | |
| 147 FlagSetting(bool& fl, bool newValue) { flag = &fl; val = fl; fl = newValue; } | |
| 148 ~FlagSetting() { *flag = val; } | |
| 149 }; | |
| 150 | |
| 151 | |
| 152 class CounterSetting { | |
| 153 intx* counter; | |
| 154 public: | |
| 155 CounterSetting(intx* cnt) { counter = cnt; (*counter)++; } | |
| 156 ~CounterSetting() { (*counter)--; } | |
| 157 }; | |
| 158 | |
| 159 | |
| 160 class IntFlagSetting { | |
| 161 intx val; | |
| 162 intx* flag; | |
| 163 public: | |
| 164 IntFlagSetting(intx& fl, intx newValue) { flag = &fl; val = fl; fl = newValue; } | |
| 165 ~IntFlagSetting() { *flag = val; } | |
| 166 }; | |
| 167 | |
| 168 | |
| 169 class DoubleFlagSetting { | |
| 170 double val; | |
| 171 double* flag; | |
| 172 public: | |
| 173 DoubleFlagSetting(double& fl, double newValue) { flag = &fl; val = fl; fl = newValue; } | |
| 174 ~DoubleFlagSetting() { *flag = val; } | |
| 175 }; | |
| 176 | |
| 177 | |
| 178 class CommandLineFlags { | |
| 179 public: | |
| 180 static bool boolAt(char* name, size_t len, bool* value); | |
| 181 static bool boolAt(char* name, bool* value) { return boolAt(name, strlen(name), value); } | |
| 182 static bool boolAtPut(char* name, size_t len, bool* value, FlagValueOrigin origin); | |
| 183 static bool boolAtPut(char* name, bool* value, FlagValueOrigin origin) { return boolAtPut(name, strlen(name), value, origin); } | |
| 184 | |
| 185 static bool intxAt(char* name, size_t len, intx* value); | |
| 186 static bool intxAt(char* name, intx* value) { return intxAt(name, strlen(name), value); } | |
| 187 static bool intxAtPut(char* name, size_t len, intx* value, FlagValueOrigin origin); | |
| 188 static bool intxAtPut(char* name, intx* value, FlagValueOrigin origin) { return intxAtPut(name, strlen(name), value, origin); } | |
| 189 | |
| 190 static bool uintxAt(char* name, size_t len, uintx* value); | |
| 191 static bool uintxAt(char* name, uintx* value) { return uintxAt(name, strlen(name), value); } | |
| 192 static bool uintxAtPut(char* name, size_t len, uintx* value, FlagValueOrigin origin); | |
| 193 static bool uintxAtPut(char* name, uintx* value, FlagValueOrigin origin) { return uintxAtPut(name, strlen(name), value, origin); } | |
| 194 | |
| 1064 | 195 static bool uint64_tAt(char* name, size_t len, uint64_t* value); |
| 196 static bool uint64_tAt(char* name, uint64_t* value) { return uint64_tAt(name, strlen(name), value); } | |
| 197 static bool uint64_tAtPut(char* name, size_t len, uint64_t* value, FlagValueOrigin origin); | |
| 198 static bool uint64_tAtPut(char* name, uint64_t* value, FlagValueOrigin origin) { return uint64_tAtPut(name, strlen(name), value, origin); } | |
| 199 | |
| 0 | 200 static bool doubleAt(char* name, size_t len, double* value); |
| 201 static bool doubleAt(char* name, double* value) { return doubleAt(name, strlen(name), value); } | |
| 202 static bool doubleAtPut(char* name, size_t len, double* value, FlagValueOrigin origin); | |
| 203 static bool doubleAtPut(char* name, double* value, FlagValueOrigin origin) { return doubleAtPut(name, strlen(name), value, origin); } | |
| 204 | |
| 205 static bool ccstrAt(char* name, size_t len, ccstr* value); | |
| 206 static bool ccstrAt(char* name, ccstr* value) { return ccstrAt(name, strlen(name), value); } | |
| 207 static bool ccstrAtPut(char* name, size_t len, ccstr* value, FlagValueOrigin origin); | |
| 208 static bool ccstrAtPut(char* name, ccstr* value, FlagValueOrigin origin) { return ccstrAtPut(name, strlen(name), value, origin); } | |
| 209 | |
| 210 // Returns false if name is not a command line flag. | |
| 211 static bool wasSetOnCmdline(const char* name, bool* value); | |
| 212 static void printSetFlags(); | |
| 213 | |
| 214 static void printFlags() PRODUCT_RETURN; | |
| 215 | |
| 216 static void verify() PRODUCT_RETURN; | |
| 217 }; | |
| 218 | |
| 219 // use this for flags that are true by default in the debug version but | |
| 220 // false in the optimized version, and vice versa | |
| 221 #ifdef ASSERT | |
| 222 #define trueInDebug true | |
| 223 #define falseInDebug false | |
| 224 #else | |
| 225 #define trueInDebug false | |
| 226 #define falseInDebug true | |
| 227 #endif | |
| 228 | |
| 229 // use this for flags that are true per default in the product build | |
| 230 // but false in development builds, and vice versa | |
| 231 #ifdef PRODUCT | |
| 232 #define trueInProduct true | |
| 233 #define falseInProduct false | |
| 234 #else | |
| 235 #define trueInProduct false | |
| 236 #define falseInProduct true | |
| 237 #endif | |
| 238 | |
| 239 // use this for flags that are true per default in the tiered build | |
| 240 // but false in non-tiered builds, and vice versa | |
| 241 #ifdef TIERED | |
| 242 #define trueInTiered true | |
| 243 #define falseInTiered false | |
| 244 #else | |
| 245 #define trueInTiered false | |
| 246 #define falseInTiered true | |
| 247 #endif | |
| 248 | |
| 249 // develop flags are settable / visible only during development and are constant in the PRODUCT version | |
| 250 // product flags are always settable / visible | |
| 251 // notproduct flags are settable / visible only during development and are not declared in the PRODUCT version | |
| 252 | |
| 253 // A flag must be declared with one of the following types: | |
| 254 // bool, intx, uintx, ccstr. | |
| 255 // The type "ccstr" is an alias for "const char*" and is used | |
| 256 // only in this file, because the macrology requires single-token type names. | |
| 257 | |
| 258 // Note: Diagnostic options not meant for VM tuning or for product modes. | |
| 259 // They are to be used for VM quality assurance or field diagnosis | |
| 260 // of VM bugs. They are hidden so that users will not be encouraged to | |
| 261 // try them as if they were VM ordinary execution options. However, they | |
| 262 // are available in the product version of the VM. Under instruction | |
| 263 // from support engineers, VM customers can turn them on to collect | |
| 264 // diagnostic information about VM problems. To use a VM diagnostic | |
| 265 // option, you must first specify +UnlockDiagnosticVMOptions. | |
| 266 // (This master switch also affects the behavior of -Xprintflags.) | |
|
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267 // |
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268 // experimental flags are in support of features that are not |
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269 // part of the officially supported product, but are available |
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270 // for experimenting with. They could, for example, be performance |
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271 // features that may not have undergone full or rigorous QA, but which may |
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272 // help performance in some cases and released for experimentation |
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273 // by the community of users and developers. This flag also allows one to |
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274 // be able to build a fully supported product that nonetheless also |
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275 // ships with some unsupported, lightly tested, experimental features. |
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276 // Like the UnlockDiagnosticVMOptions flag above, there is a corresponding |
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277 // UnlockExperimentalVMOptions flag, which allows the control and |
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278 // modification of the experimental flags. |
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279 // |
| 0 | 280 // manageable flags are writeable external product flags. |
| 281 // They are dynamically writeable through the JDK management interface | |
| 282 // (com.sun.management.HotSpotDiagnosticMXBean API) and also through JConsole. | |
| 283 // These flags are external exported interface (see CCC). The list of | |
| 284 // manageable flags can be queried programmatically through the management | |
| 285 // interface. | |
| 286 // | |
| 287 // A flag can be made as "manageable" only if | |
| 288 // - the flag is defined in a CCC as an external exported interface. | |
| 289 // - the VM implementation supports dynamic setting of the flag. | |
| 290 // This implies that the VM must *always* query the flag variable | |
| 291 // and not reuse state related to the flag state at any given time. | |
| 292 // - you want the flag to be queried programmatically by the customers. | |
| 293 // | |
| 294 // product_rw flags are writeable internal product flags. | |
| 295 // They are like "manageable" flags but for internal/private use. | |
| 296 // The list of product_rw flags are internal/private flags which | |
| 297 // may be changed/removed in a future release. It can be set | |
| 298 // through the management interface to get/set value | |
| 299 // when the name of flag is supplied. | |
| 300 // | |
| 301 // A flag can be made as "product_rw" only if | |
| 302 // - the VM implementation supports dynamic setting of the flag. | |
| 303 // This implies that the VM must *always* query the flag variable | |
| 304 // and not reuse state related to the flag state at any given time. | |
| 305 // | |
| 306 // Note that when there is a need to support develop flags to be writeable, | |
| 307 // it can be done in the same way as product_rw. | |
| 308 | |
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309 #define RUNTIME_FLAGS(develop, develop_pd, product, product_pd, diagnostic, experimental, notproduct, manageable, product_rw, lp64_product) \ |
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310 \ |
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311 lp64_product(bool, UseCompressedOops, false, \ |
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312 "Use 32-bit object references in 64-bit VM. " \ |
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313 "lp64_product means flag is always constant in 32 bit VM") \ |
| 0 | 314 \ |
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315 notproduct(bool, CheckCompressedOops, true, \ |
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316 "generate checks in encoding/decoding code in debug VM") \ |
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317 \ |
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318 product_pd(uintx, HeapBaseMinAddress, \ |
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319 "OS specific low limit for heap base address") \ |
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320 \ |
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321 diagnostic(bool, PrintCompressedOopsMode, false, \ |
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322 "Print compressed oops base address and encoding mode") \ |
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325
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323 \ |
| 0 | 324 /* UseMembar is theoretically a temp flag used for memory barrier \ |
| 325 * removal testing. It was supposed to be removed before FCS but has \ | |
| 326 * been re-added (see 6401008) */ \ | |
| 327 product(bool, UseMembar, false, \ | |
| 328 "(Unstable) Issues membars on thread state transitions") \ | |
| 329 \ | |
| 330 product(bool, PrintCommandLineFlags, false, \ | |
| 331 "Prints flags that appeared on the command line") \ | |
| 332 \ | |
| 333 diagnostic(bool, UnlockDiagnosticVMOptions, trueInDebug, \ | |
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334 "Enable normal processing of flags relating to field diagnostics")\ |
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335 \ |
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336 experimental(bool, UnlockExperimentalVMOptions, false, \ |
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337 "Enable normal processing of flags relating to experimental features")\ |
| 0 | 338 \ |
| 339 product(bool, JavaMonitorsInStackTrace, true, \ | |
| 340 "Print info. about Java monitor locks when the stacks are dumped")\ | |
| 341 \ | |
| 342 product_pd(bool, UseLargePages, \ | |
| 343 "Use large page memory") \ | |
| 344 \ | |
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345 product_pd(bool, UseLargePagesIndividualAllocation, \ |
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346 "Allocate large pages individually for better affinity") \ |
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347 \ |
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348 develop(bool, LargePagesIndividualAllocationInjectError, false, \ |
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349 "Fail large pages individual allocation") \ |
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350 \ |
| 0 | 351 develop(bool, TracePageSizes, false, \ |
| 352 "Trace page size selection and usage.") \ | |
| 353 \ | |
| 354 product(bool, UseNUMA, false, \ | |
| 355 "Use NUMA if available") \ | |
| 356 \ | |
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357 product(bool, ForceNUMA, false, \ |
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358 "Force NUMA optimizations on single-node/UMA systems") \ |
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359 \ |
| 0 | 360 product(intx, NUMAChunkResizeWeight, 20, \ |
| 361 "Percentage (0-100) used to weight the current sample when " \ | |
| 362 "computing exponentially decaying average for " \ | |
| 363 "AdaptiveNUMAChunkSizing") \ | |
| 364 \ | |
| 365 product(intx, NUMASpaceResizeRate, 1*G, \ | |
| 366 "Do not reallocate more that this amount per collection") \ | |
| 367 \ | |
| 368 product(bool, UseAdaptiveNUMAChunkSizing, true, \ | |
| 369 "Enable adaptive chunk sizing for NUMA") \ | |
| 370 \ | |
| 371 product(bool, NUMAStats, false, \ | |
| 372 "Print NUMA stats in detailed heap information") \ | |
| 373 \ | |
| 374 product(intx, NUMAPageScanRate, 256, \ | |
| 375 "Maximum number of pages to include in the page scan procedure") \ | |
| 376 \ | |
| 377 product_pd(bool, NeedsDeoptSuspend, \ | |
| 378 "True for register window machines (sparc/ia64)") \ | |
| 379 \ | |
| 380 product(intx, UseSSE, 99, \ | |
| 381 "Highest supported SSE instructions set on x86/x64") \ | |
| 382 \ | |
| 383 product(uintx, LargePageSizeInBytes, 0, \ | |
| 384 "Large page size (0 to let VM choose the page size") \ | |
| 385 \ | |
| 386 product(uintx, LargePageHeapSizeThreshold, 128*M, \ | |
| 387 "Use large pages if max heap is at least this big") \ | |
| 388 \ | |
| 389 product(bool, ForceTimeHighResolution, false, \ | |
| 390 "Using high time resolution(For Win32 only)") \ | |
| 391 \ | |
| 392 develop(bool, TraceItables, false, \ | |
| 393 "Trace initialization and use of itables") \ | |
| 394 \ | |
| 395 develop(bool, TracePcPatching, false, \ | |
| 396 "Trace usage of frame::patch_pc") \ | |
| 397 \ | |
| 398 develop(bool, TraceJumps, false, \ | |
| 399 "Trace assembly jumps in thread ring buffer") \ | |
| 400 \ | |
| 401 develop(bool, TraceRelocator, false, \ | |
| 402 "Trace the bytecode relocator") \ | |
| 403 \ | |
| 404 develop(bool, TraceLongCompiles, false, \ | |
| 405 "Print out every time compilation is longer than " \ | |
| 406 "a given threashold") \ | |
| 407 \ | |
| 408 develop(bool, SafepointALot, false, \ | |
| 409 "Generates a lot of safepoints. Works with " \ | |
| 410 "GuaranteedSafepointInterval") \ | |
| 411 \ | |
| 412 product_pd(bool, BackgroundCompilation, \ | |
| 413 "A thread requesting compilation is not blocked during " \ | |
| 414 "compilation") \ | |
| 415 \ | |
| 416 product(bool, PrintVMQWaitTime, false, \ | |
| 417 "Prints out the waiting time in VM operation queue") \ | |
| 418 \ | |
| 419 develop(bool, BailoutToInterpreterForThrows, false, \ | |
| 420 "Compiled methods which throws/catches exceptions will be " \ | |
| 421 "deopt and intp.") \ | |
| 422 \ | |
| 423 develop(bool, NoYieldsInMicrolock, false, \ | |
| 424 "Disable yields in microlock") \ | |
| 425 \ | |
| 426 develop(bool, TraceOopMapGeneration, false, \ | |
| 427 "Shows oopmap generation") \ | |
| 428 \ | |
| 429 product(bool, MethodFlushing, true, \ | |
| 430 "Reclamation of zombie and not-entrant methods") \ | |
| 431 \ | |
| 432 develop(bool, VerifyStack, false, \ | |
| 433 "Verify stack of each thread when it is entering a runtime call") \ | |
| 434 \ | |
| 435 develop(bool, ForceUnreachable, false, \ | |
| 436 "(amd64) Make all non code cache addresses to be unreachable with rip-rel forcing use of 64bit literal fixups") \ | |
| 437 \ | |
| 438 notproduct(bool, StressDerivedPointers, false, \ | |
| 439 "Force scavenge when a derived pointers is detected on stack " \ | |
| 440 "after rtm call") \ | |
| 441 \ | |
| 442 develop(bool, TraceDerivedPointers, false, \ | |
| 443 "Trace traversal of derived pointers on stack") \ | |
| 444 \ | |
| 445 notproduct(bool, TraceCodeBlobStacks, false, \ | |
| 446 "Trace stack-walk of codeblobs") \ | |
| 447 \ | |
| 448 product(bool, PrintJNIResolving, false, \ | |
| 449 "Used to implement -v:jni") \ | |
| 450 \ | |
| 451 notproduct(bool, PrintRewrites, false, \ | |
| 452 "Print methods that are being rewritten") \ | |
| 453 \ | |
| 454 product(bool, UseInlineCaches, true, \ | |
| 455 "Use Inline Caches for virtual calls ") \ | |
| 456 \ | |
| 457 develop(bool, InlineArrayCopy, true, \ | |
| 458 "inline arraycopy native that is known to be part of " \ | |
| 459 "base library DLL") \ | |
| 460 \ | |
| 461 develop(bool, InlineObjectHash, true, \ | |
| 462 "inline Object::hashCode() native that is known to be part " \ | |
| 463 "of base library DLL") \ | |
| 464 \ | |
| 465 develop(bool, InlineObjectCopy, true, \ | |
| 466 "inline Object.clone and Arrays.copyOf[Range] intrinsics") \ | |
| 467 \ | |
| 468 develop(bool, InlineNatives, true, \ | |
| 469 "inline natives that are known to be part of base library DLL") \ | |
| 470 \ | |
| 471 develop(bool, InlineMathNatives, true, \ | |
| 472 "inline SinD, CosD, etc.") \ | |
| 473 \ | |
| 474 develop(bool, InlineClassNatives, true, \ | |
| 475 "inline Class.isInstance, etc") \ | |
| 476 \ | |
| 477 develop(bool, InlineAtomicLong, true, \ | |
| 478 "inline sun.misc.AtomicLong") \ | |
| 479 \ | |
| 480 develop(bool, InlineThreadNatives, true, \ | |
| 481 "inline Thread.currentThread, etc") \ | |
| 482 \ | |
| 483 develop(bool, InlineReflectionGetCallerClass, true, \ | |
| 484 "inline sun.reflect.Reflection.getCallerClass(), known to be part "\ | |
| 485 "of base library DLL") \ | |
| 486 \ | |
| 487 develop(bool, InlineUnsafeOps, true, \ | |
| 488 "inline memory ops (native methods) from sun.misc.Unsafe") \ | |
| 489 \ | |
| 490 develop(bool, ConvertCmpD2CmpF, true, \ | |
| 491 "Convert cmpD to cmpF when one input is constant in float range") \ | |
| 492 \ | |
| 493 develop(bool, ConvertFloat2IntClipping, true, \ | |
| 494 "Convert float2int clipping idiom to integer clipping") \ | |
| 495 \ | |
| 496 develop(bool, SpecialStringCompareTo, true, \ | |
| 497 "special version of string compareTo") \ | |
| 498 \ | |
| 499 develop(bool, SpecialStringIndexOf, true, \ | |
| 500 "special version of string indexOf") \ | |
| 501 \ | |
| 681 | 502 develop(bool, SpecialStringEquals, true, \ |
| 503 "special version of string equals") \ | |
| 504 \ | |
| 505 develop(bool, SpecialArraysEquals, true, \ | |
|
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506 "special version of Arrays.equals(char[],char[])") \ |
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507 \ |
| 681 | 508 product(bool, UseSSE42Intrinsics, false, \ |
| 509 "SSE4.2 versions of intrinsics") \ | |
| 510 \ | |
| 0 | 511 develop(bool, TraceCallFixup, false, \ |
| 512 "traces all call fixups") \ | |
| 513 \ | |
| 514 develop(bool, DeoptimizeALot, false, \ | |
| 515 "deoptimize at every exit from the runtime system") \ | |
| 516 \ | |
| 434 | 517 notproduct(ccstrlist, DeoptimizeOnlyAt, "", \ |
| 0 | 518 "a comma separated list of bcis to deoptimize at") \ |
| 519 \ | |
| 520 product(bool, DeoptimizeRandom, false, \ | |
| 521 "deoptimize random frames on random exit from the runtime system")\ | |
| 522 \ | |
| 523 notproduct(bool, ZombieALot, false, \ | |
| 524 "creates zombies (non-entrant) at exit from the runt. system") \ | |
| 525 \ | |
| 526 notproduct(bool, WalkStackALot, false, \ | |
| 527 "trace stack (no print) at every exit from the runtime system") \ | |
| 528 \ | |
| 529 develop(bool, Debugging, false, \ | |
| 530 "set when executing debug methods in debug.ccp " \ | |
| 531 "(to prevent triggering assertions)") \ | |
| 532 \ | |
| 533 notproduct(bool, StrictSafepointChecks, trueInDebug, \ | |
| 534 "Enable strict checks that safepoints cannot happen for threads " \ | |
| 535 "that used No_Safepoint_Verifier") \ | |
| 536 \ | |
| 537 notproduct(bool, VerifyLastFrame, false, \ | |
| 538 "Verify oops on last frame on entry to VM") \ | |
| 539 \ | |
| 540 develop(bool, TraceHandleAllocation, false, \ | |
| 541 "Prints out warnings when suspicious many handles are allocated") \ | |
| 542 \ | |
| 543 product(bool, UseCompilerSafepoints, true, \ | |
| 544 "Stop at safepoints in compiled code") \ | |
| 545 \ | |
| 546 product(bool, UseSplitVerifier, true, \ | |
| 547 "use split verifier with StackMapTable attributes") \ | |
| 548 \ | |
| 549 product(bool, FailOverToOldVerifier, true, \ | |
| 550 "fail over to old verifier when split verifier fails") \ | |
| 551 \ | |
| 552 develop(bool, ShowSafepointMsgs, false, \ | |
| 553 "Show msg. about safepoint synch.") \ | |
| 554 \ | |
| 555 product(bool, SafepointTimeout, false, \ | |
| 556 "Time out and warn or fail after SafepointTimeoutDelay " \ | |
| 557 "milliseconds if failed to reach safepoint") \ | |
| 558 \ | |
| 559 develop(bool, DieOnSafepointTimeout, false, \ | |
| 560 "Die upon failure to reach safepoint (see SafepointTimeout)") \ | |
| 561 \ | |
| 562 /* 50 retries * (5 * current_retry_count) millis = ~6.375 seconds */ \ | |
| 563 /* typically, at most a few retries are needed */ \ | |
| 564 product(intx, SuspendRetryCount, 50, \ | |
| 565 "Maximum retry count for an external suspend request") \ | |
| 566 \ | |
| 567 product(intx, SuspendRetryDelay, 5, \ | |
| 568 "Milliseconds to delay per retry (* current_retry_count)") \ | |
| 569 \ | |
| 570 product(bool, AssertOnSuspendWaitFailure, false, \ | |
| 571 "Assert/Guarantee on external suspend wait failure") \ | |
| 572 \ | |
| 573 product(bool, TraceSuspendWaitFailures, false, \ | |
| 574 "Trace external suspend wait failures") \ | |
| 575 \ | |
| 576 product(bool, MaxFDLimit, true, \ | |
| 577 "Bump the number of file descriptors to max in solaris.") \ | |
| 578 \ | |
| 579 notproduct(bool, LogEvents, trueInDebug, \ | |
| 580 "Enable Event log") \ | |
| 581 \ | |
| 582 product(bool, BytecodeVerificationRemote, true, \ | |
| 583 "Enables the Java bytecode verifier for remote classes") \ | |
| 584 \ | |
| 585 product(bool, BytecodeVerificationLocal, false, \ | |
| 586 "Enables the Java bytecode verifier for local classes") \ | |
| 587 \ | |
| 588 develop(bool, ForceFloatExceptions, trueInDebug, \ | |
| 589 "Force exceptions on FP stack under/overflow") \ | |
| 590 \ | |
| 591 develop(bool, SoftMatchFailure, trueInProduct, \ | |
| 592 "If the DFA fails to match a node, print a message and bail out") \ | |
| 593 \ | |
| 594 develop(bool, VerifyStackAtCalls, false, \ | |
| 595 "Verify that the stack pointer is unchanged after calls") \ | |
| 596 \ | |
| 597 develop(bool, TraceJavaAssertions, false, \ | |
| 598 "Trace java language assertions") \ | |
| 599 \ | |
| 600 notproduct(bool, CheckAssertionStatusDirectives, false, \ | |
| 601 "temporary - see javaClasses.cpp") \ | |
| 602 \ | |
| 603 notproduct(bool, PrintMallocFree, false, \ | |
| 604 "Trace calls to C heap malloc/free allocation") \ | |
| 605 \ | |
| 606 notproduct(bool, PrintOopAddress, false, \ | |
| 607 "Always print the location of the oop") \ | |
| 608 \ | |
| 609 notproduct(bool, VerifyCodeCacheOften, false, \ | |
| 610 "Verify compiled-code cache often") \ | |
| 611 \ | |
| 612 develop(bool, ZapDeadCompiledLocals, false, \ | |
| 613 "Zap dead locals in compiler frames") \ | |
| 614 \ | |
| 615 notproduct(bool, ZapDeadLocalsOld, false, \ | |
| 616 "Zap dead locals (old version, zaps all frames when " \ | |
| 617 "entering the VM") \ | |
| 618 \ | |
| 619 notproduct(bool, CheckOopishValues, false, \ | |
| 620 "Warn if value contains oop ( requires ZapDeadLocals)") \ | |
| 621 \ | |
| 622 develop(bool, UseMallocOnly, false, \ | |
| 623 "use only malloc/free for allocation (no resource area/arena)") \ | |
| 624 \ | |
| 625 develop(bool, PrintMalloc, false, \ | |
| 626 "print all malloc/free calls") \ | |
| 627 \ | |
| 628 develop(bool, ZapResourceArea, trueInDebug, \ | |
| 629 "Zap freed resource/arena space with 0xABABABAB") \ | |
| 630 \ | |
| 631 notproduct(bool, ZapVMHandleArea, trueInDebug, \ | |
| 632 "Zap freed VM handle space with 0xBCBCBCBC") \ | |
| 633 \ | |
| 634 develop(bool, ZapJNIHandleArea, trueInDebug, \ | |
| 635 "Zap freed JNI handle space with 0xFEFEFEFE") \ | |
| 636 \ | |
|
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637 develop(bool, ZapUnusedHeapArea, trueInDebug, \ |
| 0 | 638 "Zap unused heap space with 0xBAADBABE") \ |
| 639 \ | |
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640 develop(bool, TraceZapUnusedHeapArea, false, \ |
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641 "Trace zapping of unused heap space") \ |
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642 \ |
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643 develop(bool, CheckZapUnusedHeapArea, false, \ |
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644 "Check zapping of unused heap space") \ |
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645 \ |
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646 develop(bool, ZapFillerObjects, trueInDebug, \ |
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647 "Zap filler objects with 0xDEAFBABE") \ |
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648 \ |
| 0 | 649 develop(bool, PrintVMMessages, true, \ |
| 650 "Print vm messages on console") \ | |
| 651 \ | |
| 652 product(bool, PrintGCApplicationConcurrentTime, false, \ | |
| 653 "Print the time the application has been running") \ | |
| 654 \ | |
| 655 product(bool, PrintGCApplicationStoppedTime, false, \ | |
| 656 "Print the time the application has been stopped") \ | |
| 657 \ | |
| 658 develop(bool, Verbose, false, \ | |
| 659 "Prints additional debugging information from other modes") \ | |
| 660 \ | |
| 661 develop(bool, PrintMiscellaneous, false, \ | |
| 662 "Prints uncategorized debugging information (requires +Verbose)") \ | |
| 663 \ | |
| 664 develop(bool, WizardMode, false, \ | |
| 665 "Prints much more debugging information") \ | |
| 666 \ | |
| 667 product(bool, ShowMessageBoxOnError, false, \ | |
| 668 "Keep process alive on VM fatal error") \ | |
| 669 \ | |
| 670 product_pd(bool, UseOSErrorReporting, \ | |
| 671 "Let VM fatal error propagate to the OS (ie. WER on Windows)") \ | |
| 672 \ | |
| 673 product(bool, SuppressFatalErrorMessage, false, \ | |
| 674 "Do NO Fatal Error report [Avoid deadlock]") \ | |
| 675 \ | |
| 676 product(ccstrlist, OnError, "", \ | |
| 677 "Run user-defined commands on fatal error; see VMError.cpp " \ | |
| 678 "for examples") \ | |
| 679 \ | |
| 680 product(ccstrlist, OnOutOfMemoryError, "", \ | |
| 681 "Run user-defined commands on first java.lang.OutOfMemoryError") \ | |
| 682 \ | |
|
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683 manageable(bool, HeapDumpBeforeFullGC, false, \ |
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684 "Dump heap to file before any major stop-world GC") \ |
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685 \ |
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686 manageable(bool, HeapDumpAfterFullGC, false, \ |
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687 "Dump heap to file after any major stop-world GC") \ |
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688 \ |
| 0 | 689 manageable(bool, HeapDumpOnOutOfMemoryError, false, \ |
| 690 "Dump heap to file when java.lang.OutOfMemoryError is thrown") \ | |
| 691 \ | |
| 692 manageable(ccstr, HeapDumpPath, NULL, \ | |
| 693 "When HeapDumpOnOutOfMemoryError is on, the path (filename or" \ | |
| 694 "directory) of the dump file (defaults to java_pid<pid>.hprof" \ | |
| 695 "in the working directory)") \ | |
| 696 \ | |
| 697 develop(uintx, SegmentedHeapDumpThreshold, 2*G, \ | |
| 698 "Generate a segmented heap dump (JAVA PROFILE 1.0.2 format) " \ | |
| 699 "when the heap usage is larger than this") \ | |
| 700 \ | |
| 701 develop(uintx, HeapDumpSegmentSize, 1*G, \ | |
| 702 "Approximate segment size when generating a segmented heap dump") \ | |
| 703 \ | |
| 704 develop(bool, BreakAtWarning, false, \ | |
| 705 "Execute breakpoint upon encountering VM warning") \ | |
| 706 \ | |
| 707 product_pd(bool, UseVectoredExceptions, \ | |
| 708 "Temp Flag - Use Vectored Exceptions rather than SEH (Windows Only)") \ | |
| 709 \ | |
| 710 develop(bool, TraceVMOperation, false, \ | |
| 711 "Trace vm operations") \ | |
| 712 \ | |
| 713 develop(bool, UseFakeTimers, false, \ | |
| 714 "Tells whether the VM should use system time or a fake timer") \ | |
| 715 \ | |
| 716 diagnostic(bool, LogCompilation, false, \ | |
| 717 "Log compilation activity in detail to hotspot.log or LogFile") \ | |
| 718 \ | |
| 719 product(bool, PrintCompilation, false, \ | |
| 720 "Print compilations") \ | |
| 721 \ | |
| 722 diagnostic(bool, TraceNMethodInstalls, false, \ | |
| 723 "Trace nmethod intallation") \ | |
| 724 \ | |
|
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725 diagnostic(intx, ScavengeRootsInCode, 0, \ |
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726 "0: do not allow scavengable oops in the code cache; " \ |
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727 "1: allow scavenging from the code cache; " \ |
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728 "2: emit as many constants as the compiler can see") \ |
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729 \ |
| 0 | 730 diagnostic(bool, TraceOSRBreakpoint, false, \ |
| 731 "Trace OSR Breakpoint ") \ | |
| 732 \ | |
| 733 diagnostic(bool, TraceCompileTriggered, false, \ | |
| 734 "Trace compile triggered") \ | |
| 735 \ | |
| 736 diagnostic(bool, TraceTriggers, false, \ | |
| 737 "Trace triggers") \ | |
| 738 \ | |
| 739 product(bool, AlwaysRestoreFPU, false, \ | |
| 740 "Restore the FPU control word after every JNI call (expensive)") \ | |
| 741 \ | |
| 742 notproduct(bool, PrintCompilation2, false, \ | |
| 743 "Print additional statistics per compilation") \ | |
| 744 \ | |
|
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745 diagnostic(bool, PrintAdapterHandlers, false, \ |
| 0 | 746 "Print code generated for i2c/c2i adapters") \ |
| 747 \ | |
|
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748 diagnostic(bool, PrintAssembly, false, \ |
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749 "Print assembly code (using external disassembler.so)") \ |
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750 \ |
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751 diagnostic(ccstr, PrintAssemblyOptions, NULL, \ |
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752 "Options string passed to disassembler.so") \ |
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753 \ |
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754 diagnostic(bool, PrintNMethods, false, \ |
| 0 | 755 "Print assembly code for nmethods when generated") \ |
| 756 \ | |
|
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757 diagnostic(bool, PrintNativeNMethods, false, \ |
| 0 | 758 "Print assembly code for native nmethods when generated") \ |
| 759 \ | |
| 760 develop(bool, PrintDebugInfo, false, \ | |
| 761 "Print debug information for all nmethods when generated") \ | |
| 762 \ | |
| 763 develop(bool, PrintRelocations, false, \ | |
| 764 "Print relocation information for all nmethods when generated") \ | |
| 765 \ | |
| 766 develop(bool, PrintDependencies, false, \ | |
| 767 "Print dependency information for all nmethods when generated") \ | |
| 768 \ | |
| 769 develop(bool, PrintExceptionHandlers, false, \ | |
| 770 "Print exception handler tables for all nmethods when generated") \ | |
| 771 \ | |
| 772 develop(bool, InterceptOSException, false, \ | |
| 773 "Starts debugger when an implicit OS (e.g., NULL) " \ | |
| 774 "exception happens") \ | |
| 775 \ | |
| 776 notproduct(bool, PrintCodeCache, false, \ | |
| 777 "Print the compiled_code cache when exiting") \ | |
| 778 \ | |
| 779 develop(bool, PrintCodeCache2, false, \ | |
| 780 "Print detailed info on the compiled_code cache when exiting") \ | |
| 781 \ | |
|
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782 diagnostic(bool, PrintStubCode, false, \ |
| 0 | 783 "Print generated stub code") \ |
| 784 \ | |
| 785 product(bool, StackTraceInThrowable, true, \ | |
| 786 "Collect backtrace in throwable when exception happens") \ | |
| 787 \ | |
| 788 product(bool, OmitStackTraceInFastThrow, true, \ | |
| 789 "Omit backtraces for some 'hot' exceptions in optimized code") \ | |
| 790 \ | |
| 791 product(bool, ProfilerPrintByteCodeStatistics, false, \ | |
| 792 "Prints byte code statictics when dumping profiler output") \ | |
| 793 \ | |
| 794 product(bool, ProfilerRecordPC, false, \ | |
| 795 "Collects tick for each 16 byte interval of compiled code") \ | |
| 796 \ | |
| 1064 | 797 product(bool, ProfileVM, false, \ |
| 0 | 798 "Profiles ticks that fall within VM (either in the VM Thread " \ |
| 799 "or VM code called through stubs)") \ | |
| 800 \ | |
| 801 product(bool, ProfileIntervals, false, \ | |
| 802 "Prints profiles for each interval (see ProfileIntervalsTicks)") \ | |
| 803 \ | |
| 804 notproduct(bool, ProfilerCheckIntervals, false, \ | |
| 805 "Collect and print info on spacing of profiler ticks") \ | |
| 806 \ | |
| 807 develop(bool, PrintJVMWarnings, false, \ | |
| 808 "Prints warnings for unimplemented JVM functions") \ | |
| 809 \ | |
| 810 notproduct(uintx, WarnOnStalledSpinLock, 0, \ | |
| 811 "Prints warnings for stalled SpinLocks") \ | |
| 812 \ | |
| 813 develop(bool, InitializeJavaLangSystem, true, \ | |
| 814 "Initialize java.lang.System - turn off for individual " \ | |
| 815 "method debugging") \ | |
| 816 \ | |
| 817 develop(bool, InitializeJavaLangString, true, \ | |
| 818 "Initialize java.lang.String - turn off for individual " \ | |
| 819 "method debugging") \ | |
| 820 \ | |
| 821 develop(bool, InitializeJavaLangExceptionsErrors, true, \ | |
| 822 "Initialize various error and exception classes - turn off for " \ | |
| 823 "individual method debugging") \ | |
| 824 \ | |
| 825 product(bool, RegisterFinalizersAtInit, true, \ | |
| 826 "Register finalizable objects at end of Object.<init> or " \ | |
| 1064 | 827 "after allocation") \ |
| 0 | 828 \ |
| 829 develop(bool, RegisterReferences, true, \ | |
| 830 "Tells whether the VM should register soft/weak/final/phantom " \ | |
| 831 "references") \ | |
| 832 \ | |
| 833 develop(bool, IgnoreRewrites, false, \ | |
| 834 "Supress rewrites of bytecodes in the oopmap generator. " \ | |
| 835 "This is unsafe!") \ | |
| 836 \ | |
| 837 develop(bool, PrintCodeCacheExtension, false, \ | |
| 838 "Print extension of code cache") \ | |
| 839 \ | |
| 840 develop(bool, UsePrivilegedStack, true, \ | |
| 841 "Enable the security JVM functions") \ | |
| 842 \ | |
| 843 develop(bool, IEEEPrecision, true, \ | |
| 844 "Enables IEEE precision (for INTEL only)") \ | |
| 845 \ | |
| 846 develop(bool, ProtectionDomainVerification, true, \ | |
| 847 "Verifies protection domain before resolution in system " \ | |
| 848 "dictionary") \ | |
| 849 \ | |
| 850 product(bool, ClassUnloading, true, \ | |
| 851 "Do unloading of classes") \ | |
| 852 \ | |
|
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853 diagnostic(bool, LinkWellKnownClasses, false, \ |
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854 "Resolve a well known class as soon as its name is seen") \ |
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855 \ |
| 0 | 856 develop(bool, DisableStartThread, false, \ |
| 857 "Disable starting of additional Java threads " \ | |
| 858 "(for debugging only)") \ | |
| 859 \ | |
| 860 develop(bool, MemProfiling, false, \ | |
| 861 "Write memory usage profiling to log file") \ | |
| 862 \ | |
| 863 notproduct(bool, PrintSystemDictionaryAtExit, false, \ | |
| 864 "Prints the system dictionary at exit") \ | |
| 865 \ | |
| 866 diagnostic(bool, UnsyncloadClass, false, \ | |
| 514 | 867 "Unstable: VM calls loadClass unsynchronized. Custom " \ |
| 868 "class loader must call VM synchronized for findClass " \ | |
| 869 "and defineClass.") \ | |
| 870 \ | |
| 871 product(bool, AlwaysLockClassLoader, false, \ | |
| 872 "Require the VM to acquire the class loader lock before calling " \ | |
| 873 "loadClass() even for class loaders registering " \ | |
| 1064 | 874 "as parallel capable") \ |
| 514 | 875 \ |
| 876 product(bool, AllowParallelDefineClass, false, \ | |
| 877 "Allow parallel defineClass requests for class loaders " \ | |
| 1064 | 878 "registering as parallel capable") \ |
| 514 | 879 \ |
| 880 product(bool, MustCallLoadClassInternal, false, \ | |
| 1064 | 881 "Call loadClassInternal() rather than loadClass()") \ |
| 0 | 882 \ |
| 883 product_pd(bool, DontYieldALot, \ | |
| 884 "Throw away obvious excess yield calls (for SOLARIS only)") \ | |
| 885 \ | |
| 886 product_pd(bool, ConvertSleepToYield, \ | |
| 887 "Converts sleep(0) to thread yield " \ | |
| 888 "(may be off for SOLARIS to improve GUI)") \ | |
| 889 \ | |
| 890 product(bool, ConvertYieldToSleep, false, \ | |
| 891 "Converts yield to a sleep of MinSleepInterval to simulate Win32 "\ | |
| 892 "behavior (SOLARIS only)") \ | |
| 893 \ | |
| 894 product(bool, UseBoundThreads, true, \ | |
| 895 "Bind user level threads to kernel threads (for SOLARIS only)") \ | |
| 896 \ | |
| 897 develop(bool, UseDetachedThreads, true, \ | |
| 898 "Use detached threads that are recycled upon termination " \ | |
| 899 "(for SOLARIS only)") \ | |
| 900 \ | |
| 901 product(bool, UseLWPSynchronization, true, \ | |
| 902 "Use LWP-based instead of libthread-based synchronization " \ | |
| 903 "(SPARC only)") \ | |
| 904 \ | |
|
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905 product(ccstr, SyncKnobs, NULL, \ |
| 0 | 906 "(Unstable) Various monitor synchronization tunables") \ |
| 907 \ | |
| 908 product(intx, EmitSync, 0, \ | |
| 909 "(Unsafe,Unstable) " \ | |
| 910 " Controls emission of inline sync fast-path code") \ | |
| 911 \ | |
| 912 product(intx, AlwaysInflate, 0, "(Unstable) Force inflation") \ | |
| 913 \ | |
| 914 product(intx, Atomics, 0, \ | |
| 915 "(Unsafe,Unstable) Diagnostic - Controls emission of atomics") \ | |
| 916 \ | |
| 917 product(intx, FenceInstruction, 0, \ | |
| 918 "(Unsafe,Unstable) Experimental") \ | |
| 919 \ | |
| 920 product(intx, SyncFlags, 0, "(Unsafe,Unstable) Experimental Sync flags" ) \ | |
| 921 \ | |
| 922 product(intx, SyncVerbose, 0, "(Unstable)" ) \ | |
| 923 \ | |
| 924 product(intx, ClearFPUAtPark, 0, "(Unsafe,Unstable)" ) \ | |
| 925 \ | |
| 926 product(intx, hashCode, 0, \ | |
| 927 "(Unstable) select hashCode generation algorithm" ) \ | |
| 928 \ | |
| 929 product(intx, WorkAroundNPTLTimedWaitHang, 1, \ | |
| 930 "(Unstable, Linux-specific)" \ | |
| 931 " avoid NPTL-FUTEX hang pthread_cond_timedwait" ) \ | |
| 932 \ | |
| 1064 | 933 product(bool, FilterSpuriousWakeups, true, \ |
| 934 "Prevent spurious or premature wakeups from object.wait " \ | |
| 935 "(Solaris only)") \ | |
| 0 | 936 \ |
| 937 product(intx, NativeMonitorTimeout, -1, "(Unstable)" ) \ | |
| 938 product(intx, NativeMonitorFlags, 0, "(Unstable)" ) \ | |
| 939 product(intx, NativeMonitorSpinLimit, 20, "(Unstable)" ) \ | |
| 940 \ | |
| 941 develop(bool, UsePthreads, false, \ | |
| 942 "Use pthread-based instead of libthread-based synchronization " \ | |
| 943 "(SPARC only)") \ | |
| 944 \ | |
| 945 product(bool, AdjustConcurrency, false, \ | |
| 946 "call thr_setconcurrency at thread create time to avoid " \ | |
| 947 "LWP starvation on MP systems (For Solaris Only)") \ | |
| 948 \ | |
| 949 develop(bool, UpdateHotSpotCompilerFileOnError, true, \ | |
| 950 "Should the system attempt to update the compiler file when " \ | |
| 951 "an error occurs?") \ | |
| 952 \ | |
| 953 product(bool, ReduceSignalUsage, false, \ | |
| 954 "Reduce the use of OS signals in Java and/or the VM") \ | |
| 955 \ | |
| 956 notproduct(bool, ValidateMarkSweep, false, \ | |
| 957 "Do extra validation during MarkSweep collection") \ | |
| 958 \ | |
| 959 notproduct(bool, RecordMarkSweepCompaction, false, \ | |
| 960 "Enable GC-to-GC recording and querying of compaction during " \ | |
| 961 "MarkSweep") \ | |
| 962 \ | |
| 963 develop_pd(bool, ShareVtableStubs, \ | |
| 964 "Share vtable stubs (smaller code but worse branch prediction") \ | |
| 965 \ | |
| 966 develop(bool, LoadLineNumberTables, true, \ | |
| 967 "Tells whether the class file parser loads line number tables") \ | |
| 968 \ | |
| 969 develop(bool, LoadLocalVariableTables, true, \ | |
| 970 "Tells whether the class file parser loads local variable tables")\ | |
| 971 \ | |
| 972 develop(bool, LoadLocalVariableTypeTables, true, \ | |
| 973 "Tells whether the class file parser loads local variable type tables")\ | |
| 974 \ | |
| 975 product(bool, AllowUserSignalHandlers, false, \ | |
| 976 "Do not complain if the application installs signal handlers " \ | |
| 977 "(Solaris & Linux only)") \ | |
| 978 \ | |
| 979 product(bool, UseSignalChaining, true, \ | |
| 980 "Use signal-chaining to invoke signal handlers installed " \ | |
| 981 "by the application (Solaris & Linux only)") \ | |
| 982 \ | |
| 983 product(bool, UseAltSigs, false, \ | |
| 984 "Use alternate signals instead of SIGUSR1 & SIGUSR2 for VM " \ | |
| 1064 | 985 "internal signals (Solaris only)") \ |
| 0 | 986 \ |
| 987 product(bool, UseSpinning, false, \ | |
| 988 "Use spinning in monitor inflation and before entry") \ | |
| 989 \ | |
| 990 product(bool, PreSpinYield, false, \ | |
| 991 "Yield before inner spinning loop") \ | |
| 992 \ | |
| 993 product(bool, PostSpinYield, true, \ | |
| 994 "Yield after inner spinning loop") \ | |
| 995 \ | |
| 996 product(bool, AllowJNIEnvProxy, false, \ | |
| 997 "Allow JNIEnv proxies for jdbx") \ | |
| 998 \ | |
| 999 product(bool, JNIDetachReleasesMonitors, true, \ | |
| 1000 "JNI DetachCurrentThread releases monitors owned by thread") \ | |
| 1001 \ | |
| 1002 product(bool, RestoreMXCSROnJNICalls, false, \ | |
| 1003 "Restore MXCSR when returning from JNI calls") \ | |
| 1004 \ | |
| 1005 product(bool, CheckJNICalls, false, \ | |
| 1006 "Verify all arguments to JNI calls") \ | |
| 1007 \ | |
| 1008 product(bool, UseFastJNIAccessors, true, \ | |
| 1009 "Use optimized versions of Get<Primitive>Field") \ | |
| 1010 \ | |
| 1011 product(bool, EagerXrunInit, false, \ | |
| 1012 "Eagerly initialize -Xrun libraries; allows startup profiling, " \ | |
| 1013 " but not all -Xrun libraries may support the state of the VM at this time") \ | |
| 1014 \ | |
| 1015 product(bool, PreserveAllAnnotations, false, \ | |
| 1016 "Preserve RuntimeInvisibleAnnotations as well as RuntimeVisibleAnnotations") \ | |
| 1017 \ | |
| 1018 develop(uintx, PreallocatedOutOfMemoryErrorCount, 4, \ | |
| 1019 "Number of OutOfMemoryErrors preallocated with backtrace") \ | |
| 1020 \ | |
| 1021 product(bool, LazyBootClassLoader, true, \ | |
| 1022 "Enable/disable lazy opening of boot class path entries") \ | |
| 1023 \ | |
| 1024 diagnostic(bool, UseIncDec, true, \ | |
| 1025 "Use INC, DEC instructions on x86") \ | |
| 1026 \ | |
| 219 | 1027 product(bool, UseNewLongLShift, false, \ |
| 1028 "Use optimized bitwise shift left") \ | |
| 1029 \ | |
| 0 | 1030 product(bool, UseStoreImmI16, true, \ |
| 1031 "Use store immediate 16-bits value instruction on x86") \ | |
| 1032 \ | |
| 1033 product(bool, UseAddressNop, false, \ | |
| 1034 "Use '0F 1F [addr]' NOP instructions on x86 cpus") \ | |
| 1035 \ | |
| 1036 product(bool, UseXmmLoadAndClearUpper, true, \ | |
| 1037 "Load low part of XMM register and clear upper part") \ | |
| 1038 \ | |
| 1039 product(bool, UseXmmRegToRegMoveAll, false, \ | |
| 1040 "Copy all XMM register bits when moving value between registers") \ | |
| 1041 \ | |
| 71 | 1042 product(bool, UseXmmI2D, false, \ |
| 1043 "Use SSE2 CVTDQ2PD instruction to convert Integer to Double") \ | |
| 1044 \ | |
| 1045 product(bool, UseXmmI2F, false, \ | |
| 1046 "Use SSE2 CVTDQ2PS instruction to convert Integer to Float") \ | |
| 1047 \ | |
| 405 | 1048 product(bool, UseXMMForArrayCopy, false, \ |
| 1049 "Use SSE2 MOVQ instruction for Arraycopy") \ | |
| 1050 \ | |
| 1051 product(bool, UseUnalignedLoadStores, false, \ | |
| 1052 "Use SSE2 MOVDQU instruction for Arraycopy") \ | |
| 1053 \ | |
| 0 | 1054 product(intx, FieldsAllocationStyle, 1, \ |
| 1055 "0 - type based with oops first, 1 - with oops last") \ | |
| 1056 \ | |
| 1057 product(bool, CompactFields, true, \ | |
| 1058 "Allocate nonstatic fields in gaps between previous fields") \ | |
| 1059 \ | |
| 1060 notproduct(bool, PrintCompactFieldsSavings, false, \ | |
| 1061 "Print how many words were saved with CompactFields") \ | |
| 1062 \ | |
| 1063 product(bool, UseBiasedLocking, true, \ | |
| 1064 "Enable biased locking in JVM") \ | |
| 1065 \ | |
| 1066 product(intx, BiasedLockingStartupDelay, 4000, \ | |
| 1067 "Number of milliseconds to wait before enabling biased locking") \ | |
| 1068 \ | |
| 1069 diagnostic(bool, PrintBiasedLockingStatistics, false, \ | |
| 1070 "Print statistics of biased locking in JVM") \ | |
| 1071 \ | |
| 1072 product(intx, BiasedLockingBulkRebiasThreshold, 20, \ | |
| 1073 "Threshold of number of revocations per type to try to " \ | |
| 1074 "rebias all objects in the heap of that type") \ | |
| 1075 \ | |
| 1076 product(intx, BiasedLockingBulkRevokeThreshold, 40, \ | |
| 1077 "Threshold of number of revocations per type to permanently " \ | |
| 1078 "revoke biases of all objects in the heap of that type") \ | |
| 1079 \ | |
| 1080 product(intx, BiasedLockingDecayTime, 25000, \ | |
| 1081 "Decay time (in milliseconds) to re-enable bulk rebiasing of a " \ | |
| 1082 "type after previous bulk rebias") \ | |
| 1083 \ | |
| 1084 /* tracing */ \ | |
| 1085 \ | |
| 1086 notproduct(bool, TraceRuntimeCalls, false, \ | |
| 1087 "Trace run-time calls") \ | |
| 1088 \ | |
| 1089 develop(bool, TraceJNICalls, false, \ | |
| 1090 "Trace JNI calls") \ | |
| 1091 \ | |
| 1092 notproduct(bool, TraceJVMCalls, false, \ | |
| 1093 "Trace JVM calls") \ | |
| 1094 \ | |
|
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1095 product(ccstr, TraceJVMTI, NULL, \ |
| 0 | 1096 "Trace flags for JVMTI functions and events") \ |
| 1097 \ | |
|
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1098 product(bool, ForceFullGCJVMTIEpilogues, false, \ |
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1099 "Force 'Full GC' was done semantics for JVMTI GC epilogues") \ |
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1100 \ |
| 0 | 1101 /* This option can change an EMCP method into an obsolete method. */ \ |
| 1102 /* This can affect tests that except specific methods to be EMCP. */ \ | |
| 1103 /* This option should be used with caution. */ \ | |
| 1104 product(bool, StressLdcRewrite, false, \ | |
| 1105 "Force ldc -> ldc_w rewrite during RedefineClasses") \ | |
| 1106 \ | |
| 1107 product(intx, TraceRedefineClasses, 0, \ | |
| 1108 "Trace level for JVMTI RedefineClasses") \ | |
| 1109 \ | |
| 1110 /* change to false by default sometime after Mustang */ \ | |
| 1111 product(bool, VerifyMergedCPBytecodes, true, \ | |
| 1112 "Verify bytecodes after RedefineClasses constant pool merging") \ | |
| 1113 \ | |
| 1114 develop(bool, TraceJNIHandleAllocation, false, \ | |
| 1115 "Trace allocation/deallocation of JNI handle blocks") \ | |
| 1116 \ | |
| 1117 develop(bool, TraceThreadEvents, false, \ | |
| 1118 "Trace all thread events") \ | |
| 1119 \ | |
| 1120 develop(bool, TraceBytecodes, false, \ | |
| 1121 "Trace bytecode execution") \ | |
| 1122 \ | |
| 1123 develop(bool, TraceClassInitialization, false, \ | |
| 1124 "Trace class initialization") \ | |
| 1125 \ | |
| 1126 develop(bool, TraceExceptions, false, \ | |
| 1127 "Trace exceptions") \ | |
| 1128 \ | |
| 1129 develop(bool, TraceICs, false, \ | |
| 1130 "Trace inline cache changes") \ | |
| 1131 \ | |
| 1132 notproduct(bool, TraceInvocationCounterOverflow, false, \ | |
| 1133 "Trace method invocation counter overflow") \ | |
| 1134 \ | |
| 1135 develop(bool, TraceInlineCacheClearing, false, \ | |
| 1136 "Trace clearing of inline caches in nmethods") \ | |
| 1137 \ | |
| 1138 develop(bool, TraceDependencies, false, \ | |
| 1139 "Trace dependencies") \ | |
| 1140 \ | |
| 1141 develop(bool, VerifyDependencies, trueInDebug, \ | |
| 1142 "Exercise and verify the compilation dependency mechanism") \ | |
| 1143 \ | |
| 1144 develop(bool, TraceNewOopMapGeneration, false, \ | |
| 1145 "Trace OopMapGeneration") \ | |
| 1146 \ | |
| 1147 develop(bool, TraceNewOopMapGenerationDetailed, false, \ | |
| 1148 "Trace OopMapGeneration: print detailed cell states") \ | |
| 1149 \ | |
| 1150 develop(bool, TimeOopMap, false, \ | |
| 1151 "Time calls to GenerateOopMap::compute_map() in sum") \ | |
| 1152 \ | |
| 1153 develop(bool, TimeOopMap2, false, \ | |
| 1154 "Time calls to GenerateOopMap::compute_map() individually") \ | |
| 1155 \ | |
| 1156 develop(bool, TraceMonitorMismatch, false, \ | |
| 1157 "Trace monitor matching failures during OopMapGeneration") \ | |
| 1158 \ | |
| 1159 develop(bool, TraceOopMapRewrites, false, \ | |
| 1160 "Trace rewritting of method oops during oop map generation") \ | |
| 1161 \ | |
| 1162 develop(bool, TraceSafepoint, false, \ | |
| 1163 "Trace safepoint operations") \ | |
| 1164 \ | |
| 1165 develop(bool, TraceICBuffer, false, \ | |
| 1166 "Trace usage of IC buffer") \ | |
| 1167 \ | |
| 1168 develop(bool, TraceCompiledIC, false, \ | |
| 1169 "Trace changes of compiled IC") \ | |
| 1170 \ | |
| 1171 notproduct(bool, TraceZapDeadLocals, false, \ | |
| 1172 "Trace zapping dead locals") \ | |
| 1173 \ | |
| 1174 develop(bool, TraceStartupTime, false, \ | |
| 1175 "Trace setup time") \ | |
| 1176 \ | |
| 1177 develop(bool, TraceHPI, false, \ | |
| 1178 "Trace Host Porting Interface (HPI)") \ | |
| 1179 \ | |
| 1180 product(ccstr, HPILibPath, NULL, \ | |
| 1181 "Specify alternate path to HPI library") \ | |
| 1182 \ | |
| 1183 develop(bool, TraceProtectionDomainVerification, false, \ | |
| 1184 "Trace protection domain verifcation") \ | |
| 1185 \ | |
| 1186 develop(bool, TraceClearedExceptions, false, \ | |
| 1187 "Prints when an exception is forcibly cleared") \ | |
| 1188 \ | |
| 1189 product(bool, TraceClassResolution, false, \ | |
| 1190 "Trace all constant pool resolutions (for debugging)") \ | |
| 1191 \ | |
| 1192 product(bool, TraceBiasedLocking, false, \ | |
| 1193 "Trace biased locking in JVM") \ | |
| 1194 \ | |
| 1195 product(bool, TraceMonitorInflation, false, \ | |
| 1196 "Trace monitor inflation in JVM") \ | |
| 1197 \ | |
| 1198 /* assembler */ \ | |
| 1199 product(bool, Use486InstrsOnly, false, \ | |
| 1200 "Use 80486 Compliant instruction subset") \ | |
| 1201 \ | |
| 1202 /* gc */ \ | |
| 1203 \ | |
| 1204 product(bool, UseSerialGC, false, \ | |
|
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1205 "Use the serial garbage collector") \ |
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1206 \ |
|
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1207 experimental(bool, UseG1GC, false, \ |
|
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1208 "Use the Garbage-First garbage collector") \ |
| 0 | 1209 \ |
| 1210 product(bool, UseParallelGC, false, \ | |
| 1211 "Use the Parallel Scavenge garbage collector") \ | |
| 1212 \ | |
| 1213 product(bool, UseParallelOldGC, false, \ | |
| 1214 "Use the Parallel Old garbage collector") \ | |
| 1215 \ | |
| 1216 product(bool, UseParallelOldGCCompacting, true, \ | |
| 1217 "In the Parallel Old garbage collector use parallel compaction") \ | |
| 1218 \ | |
| 1219 product(bool, UseParallelDensePrefixUpdate, true, \ | |
| 1220 "In the Parallel Old garbage collector use parallel dense" \ | |
| 1221 " prefix update") \ | |
| 1222 \ | |
| 1223 product(uintx, HeapMaximumCompactionInterval, 20, \ | |
| 1224 "How often should we maximally compact the heap (not allowing " \ | |
| 1225 "any dead space)") \ | |
| 1226 \ | |
| 1227 product(uintx, HeapFirstMaximumCompactionCount, 3, \ | |
| 1228 "The collection count for the first maximum compaction") \ | |
| 1229 \ | |
| 1230 product(bool, UseMaximumCompactionOnSystemGC, true, \ | |
| 1231 "In the Parallel Old garbage collector maximum compaction for " \ | |
| 1232 "a system GC") \ | |
| 1233 \ | |
| 1234 product(uintx, ParallelOldDeadWoodLimiterMean, 50, \ | |
| 1235 "The mean used by the par compact dead wood" \ | |
| 1236 "limiter (a number between 0-100).") \ | |
| 1237 \ | |
| 1238 product(uintx, ParallelOldDeadWoodLimiterStdDev, 80, \ | |
| 1239 "The standard deviation used by the par compact dead wood" \ | |
| 1240 "limiter (a number between 0-100).") \ | |
| 1241 \ | |
| 1242 product(bool, UseParallelOldGCDensePrefix, true, \ | |
| 1243 "Use a dense prefix with the Parallel Old garbage collector") \ | |
| 1244 \ | |
| 1245 product(uintx, ParallelGCThreads, 0, \ | |
| 1246 "Number of parallel threads parallel gc will use") \ | |
| 1247 \ | |
| 1248 product(uintx, ParallelCMSThreads, 0, \ | |
| 1249 "Max number of threads CMS will use for concurrent work") \ | |
| 1250 \ | |
|
483
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1251 develop(bool, ParallelOldGCSplitALot, false, \ |
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1252 "Provoke splitting (copying data from a young gen space to" \ |
|
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1253 "multiple destination spaces)") \ |
|
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1254 \ |
|
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1255 develop(uintx, ParallelOldGCSplitInterval, 3, \ |
|
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1256 "How often to provoke splitting a young gen space") \ |
| 0 | 1257 \ |
|
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1258 develop(bool, TraceRegionTasksQueuing, false, \ |
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1259 "Trace the queuing of the region tasks") \ |
| 0 | 1260 \ |
|
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1261 product(uintx, ParallelMarkingThreads, 0, \ |
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1262 "Number of marking threads concurrent gc will use") \ |
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1263 \ |
| 0 | 1264 product(uintx, YoungPLABSize, 4096, \ |
| 1265 "Size of young gen promotion labs (in HeapWords)") \ | |
| 1266 \ | |
| 1267 product(uintx, OldPLABSize, 1024, \ | |
| 1268 "Size of old gen promotion labs (in HeapWords)") \ | |
| 1269 \ | |
| 1270 product(uintx, GCTaskTimeStampEntries, 200, \ | |
| 1271 "Number of time stamp entries per gc worker thread") \ | |
| 1272 \ | |
| 1273 product(bool, AlwaysTenure, false, \ | |
| 1274 "Always tenure objects in eden. (ParallelGC only)") \ | |
| 1275 \ | |
| 1276 product(bool, NeverTenure, false, \ | |
| 1064 | 1277 "Never tenure objects in eden, May tenure on overflow " \ |
| 1278 "(ParallelGC only)") \ | |
| 0 | 1279 \ |
| 1280 product(bool, ScavengeBeforeFullGC, true, \ | |
| 1064 | 1281 "Scavenge youngest generation before each full GC, " \ |
| 1282 "used with UseParallelGC") \ | |
| 0 | 1283 \ |
| 1284 develop(bool, ScavengeWithObjectsInToSpace, false, \ | |
| 1285 "Allow scavenges to occur when to_space contains objects.") \ | |
| 1286 \ | |
| 1287 product(bool, UseConcMarkSweepGC, false, \ | |
| 1288 "Use Concurrent Mark-Sweep GC in the old generation") \ | |
| 1289 \ | |
| 1290 product(bool, ExplicitGCInvokesConcurrent, false, \ | |
| 1291 "A System.gc() request invokes a concurrent collection;" \ | |
| 1292 " (effective only when UseConcMarkSweepGC)") \ | |
| 1293 \ | |
| 1294 product(bool, ExplicitGCInvokesConcurrentAndUnloadsClasses, false, \ | |
| 1064 | 1295 "A System.gc() request invokes a concurrent collection and " \ |
| 1296 "also unloads classes during such a concurrent gc cycle " \ | |
| 1297 "(effective only when UseConcMarkSweepGC)") \ | |
| 0 | 1298 \ |
| 1299 develop(bool, UseCMSAdaptiveFreeLists, true, \ | |
| 1300 "Use Adaptive Free Lists in the CMS generation") \ | |
| 1301 \ | |
| 1302 develop(bool, UseAsyncConcMarkSweepGC, true, \ | |
| 1303 "Use Asynchronous Concurrent Mark-Sweep GC in the old generation")\ | |
| 1304 \ | |
| 1305 develop(bool, RotateCMSCollectionTypes, false, \ | |
| 1306 "Rotate the CMS collections among concurrent and STW") \ | |
| 1307 \ | |
| 1308 product(bool, UseCMSBestFit, true, \ | |
| 1309 "Use CMS best fit allocation strategy") \ | |
| 1310 \ | |
| 1311 product(bool, UseCMSCollectionPassing, true, \ | |
| 1312 "Use passing of collection from background to foreground") \ | |
| 1313 \ | |
| 1314 product(bool, UseParNewGC, false, \ | |
| 1315 "Use parallel threads in the new generation.") \ | |
| 1316 \ | |
| 1317 product(bool, ParallelGCVerbose, false, \ | |
| 1318 "Verbose output for parallel GC.") \ | |
| 1319 \ | |
| 1320 product(intx, ParallelGCBufferWastePct, 10, \ | |
| 1321 "wasted fraction of parallel allocation buffer.") \ | |
| 1322 \ | |
| 1323 product(bool, ParallelGCRetainPLAB, true, \ | |
| 1324 "Retain parallel allocation buffers across scavenges.") \ | |
| 1325 \ | |
| 1326 product(intx, TargetPLABWastePct, 10, \ | |
| 1327 "target wasted space in last buffer as pct of overall allocation")\ | |
| 1328 \ | |
| 1329 product(uintx, PLABWeight, 75, \ | |
| 1330 "Percentage (0-100) used to weight the current sample when" \ | |
| 1331 "computing exponentially decaying average for ResizePLAB.") \ | |
| 1332 \ | |
| 1333 product(bool, ResizePLAB, true, \ | |
| 1334 "Dynamically resize (survivor space) promotion labs") \ | |
| 1335 \ | |
| 1336 product(bool, PrintPLAB, false, \ | |
| 1337 "Print (survivor space) promotion labs sizing decisions") \ | |
| 1338 \ | |
| 1339 product(intx, ParGCArrayScanChunk, 50, \ | |
| 1340 "Scan a subset and push remainder, if array is bigger than this") \ | |
| 1341 \ | |
| 695 | 1342 product(bool, ParGCUseLocalOverflow, false, \ |
| 1343 "Instead of a global overflow list, use local overflow stacks") \ | |
| 1344 \ | |
|
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1345 product(bool, ParGCTrimOverflow, true, \ |
| 695 | 1346 "Eagerly trim the local overflow lists (when ParGCUseLocalOverflow") \ |
|
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1347 \ |
| 534 | 1348 notproduct(bool, ParGCWorkQueueOverflowALot, false, \ |
| 1349 "Whether we should simulate work queue overflow in ParNew") \ | |
| 1350 \ | |
| 1351 notproduct(uintx, ParGCWorkQueueOverflowInterval, 1000, \ | |
| 1064 | 1352 "An `interval' counter that determines how frequently " \ |
| 1353 "we simulate overflow; a smaller number increases frequency") \ | |
| 534 | 1354 \ |
| 1355 product(uintx, ParGCDesiredObjsFromOverflowList, 20, \ | |
| 0 | 1356 "The desired number of objects to claim from the overflow list") \ |
| 1357 \ | |
|
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1358 product(uintx, CMSParPromoteBlocksToClaim, 16, \ |
| 0 | 1359 "Number of blocks to attempt to claim when refilling CMS LAB for "\ |
| 1360 "parallel GC.") \ | |
| 1361 \ | |
|
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1362 product(uintx, OldPLABWeight, 50, \ |
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1363 "Percentage (0-100) used to weight the current sample when" \ |
|
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1364 "computing exponentially decaying average for resizing CMSParPromoteBlocksToClaim.") \ |
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1365 \ |
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1366 product(bool, ResizeOldPLAB, true, \ |
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1367 "Dynamically resize (old gen) promotion labs") \ |
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1368 \ |
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1369 product(bool, PrintOldPLAB, false, \ |
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1370 "Print (old gen) promotion labs sizing decisions") \ |
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1371 \ |
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1372 product(uintx, CMSOldPLABMin, 16, \ |
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1373 "Min size of CMS gen promotion lab caches per worker per blksize")\ |
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1374 \ |
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1375 product(uintx, CMSOldPLABMax, 1024, \ |
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1376 "Max size of CMS gen promotion lab caches per worker per blksize")\ |
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1377 \ |
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1378 product(uintx, CMSOldPLABNumRefills, 4, \ |
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1379 "Nominal number of refills of CMS gen promotion lab cache" \ |
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1380 " per worker per block size") \ |
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1381 \ |
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1382 product(bool, CMSOldPLABResizeQuicker, false, \ |
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1383 "Whether to react on-the-fly during a scavenge to a sudden" \ |
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1384 " change in block demand rate") \ |
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1385 \ |
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1386 product(uintx, CMSOldPLABToleranceFactor, 4, \ |
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1387 "The tolerance of the phase-change detector for on-the-fly" \ |
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1388 " PLAB resizing during a scavenge") \ |
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1389 \ |
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1390 product(uintx, CMSOldPLABReactivityFactor, 2, \ |
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1391 "The gain in the feedback loop for on-the-fly PLAB resizing" \ |
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1392 " during a scavenge") \ |
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1393 \ |
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1394 product(uintx, CMSOldPLABReactivityCeiling, 10, \ |
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1395 "The clamping of the gain in the feedback loop for on-the-fly" \ |
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1396 " PLAB resizing during a scavenge") \ |
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1397 \ |
| 0 | 1398 product(bool, AlwaysPreTouch, false, \ |
| 1399 "It forces all freshly committed pages to be pre-touched.") \ | |
| 1400 \ | |
| 1401 product(bool, CMSUseOldDefaults, false, \ | |
| 1064 | 1402 "A flag temporarily introduced to allow reverting to some " \ |
| 1403 "older default settings; older as of 6.0") \ | |
| 0 | 1404 \ |
| 1405 product(intx, CMSYoungGenPerWorker, 16*M, \ | |
| 1406 "The amount of young gen chosen by default per GC worker " \ | |
| 1064 | 1407 "thread available") \ |
| 0 | 1408 \ |
|
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1409 product(bool, GCOverheadReporting, false, \ |
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1410 "Enables the GC overhead reporting facility") \ |
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1411 \ |
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1412 product(intx, GCOverheadReportingPeriodMS, 100, \ |
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1413 "Reporting period for conc GC overhead reporting, in ms ") \ |
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1414 \ |
| 0 | 1415 product(bool, CMSIncrementalMode, false, \ |
| 1416 "Whether CMS GC should operate in \"incremental\" mode") \ | |
| 1417 \ | |
| 1418 product(uintx, CMSIncrementalDutyCycle, 10, \ | |
| 1419 "CMS incremental mode duty cycle (a percentage, 0-100). If" \ | |
| 1420 "CMSIncrementalPacing is enabled, then this is just the initial" \ | |
| 1421 "value") \ | |
| 1422 \ | |
| 1423 product(bool, CMSIncrementalPacing, true, \ | |
| 1424 "Whether the CMS incremental mode duty cycle should be " \ | |
| 1425 "automatically adjusted") \ | |
| 1426 \ | |
| 1427 product(uintx, CMSIncrementalDutyCycleMin, 0, \ | |
| 1064 | 1428 "Lower bound on the duty cycle when CMSIncrementalPacing is " \ |
| 1429 "enabled (a percentage, 0-100)") \ | |
| 0 | 1430 \ |
| 1431 product(uintx, CMSIncrementalSafetyFactor, 10, \ | |
| 1064 | 1432 "Percentage (0-100) used to add conservatism when computing the " \ |
| 1433 "duty cycle") \ | |
| 0 | 1434 \ |
| 1435 product(uintx, CMSIncrementalOffset, 0, \ | |
| 1436 "Percentage (0-100) by which the CMS incremental mode duty cycle" \ | |
| 1064 | 1437 " is shifted to the right within the period between young GCs") \ |
| 0 | 1438 \ |
|
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1439 product(uintx, CMSExpAvgFactor, 50, \ |
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1440 "Percentage (0-100) used to weight the current sample when" \ |
|
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1441 "computing exponential averages for CMS statistics.") \ |
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1442 \ |
|
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1443 product(uintx, CMS_FLSWeight, 75, \ |
|
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1444 "Percentage (0-100) used to weight the current sample when" \ |
|
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1445 "computing exponentially decating averages for CMS FLS statistics.") \ |
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1446 \ |
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1447 product(uintx, CMS_FLSPadding, 1, \ |
|
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1448 "The multiple of deviation from mean to use for buffering" \ |
| 0 | 1449 "against volatility in free list demand.") \ |
| 1450 \ | |
| 1451 product(uintx, FLSCoalescePolicy, 2, \ | |
| 1452 "CMS: Aggression level for coalescing, increasing from 0 to 4") \ | |
| 1453 \ | |
|
1145
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1454 product(bool, FLSAlwaysCoalesceLarge, false, \ |
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1455 "CMS: Larger free blocks are always available for coalescing") \ |
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1456 \ |
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1457 product(double, FLSLargestBlockCoalesceProximity, 0.99, \ |
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1458 "CMS: the smaller the percentage the greater the coalition force")\ |
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1459 \ |
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1460 product(double, CMSSmallCoalSurplusPercent, 1.05, \ |
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1461 "CMS: the factor by which to inflate estimated demand of small" \ |
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1462 " block sizes to prevent coalescing with an adjoining block") \ |
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1463 \ |
|
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1464 product(double, CMSLargeCoalSurplusPercent, 0.95, \ |
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1465 "CMS: the factor by which to inflate estimated demand of large" \ |
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1466 " block sizes to prevent coalescing with an adjoining block") \ |
|
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|
1467 \ |
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1468 product(double, CMSSmallSplitSurplusPercent, 1.10, \ |
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1469 "CMS: the factor by which to inflate estimated demand of small" \ |
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1470 " block sizes to prevent splitting to supply demand for smaller" \ |
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1471 " blocks") \ |
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1472 \ |
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1473 product(double, CMSLargeSplitSurplusPercent, 1.00, \ |
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1474 "CMS: the factor by which to inflate estimated demand of large" \ |
|
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1475 " block sizes to prevent splitting to supply demand for smaller" \ |
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1476 " blocks") \ |
|
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1477 \ |
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1478 product(bool, CMSExtrapolateSweep, false, \ |
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1479 "CMS: cushion for block demand during sweep") \ |
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1480 \ |
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1481 product(uintx, CMS_SweepWeight, 75, \ |
| 1064 | 1482 "Percentage (0-100) used to weight the current sample when " \ |
| 1483 "computing exponentially decaying average for inter-sweep " \ | |
| 1484 "duration") \ | |
| 0 | 1485 \ |
|
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1486 product(uintx, CMS_SweepPadding, 1, \ |
| 1064 | 1487 "The multiple of deviation from mean to use for buffering " \ |
| 0 | 1488 "against volatility in inter-sweep duration.") \ |
| 1489 \ | |
| 1490 product(uintx, CMS_SweepTimerThresholdMillis, 10, \ | |
| 1491 "Skip block flux-rate sampling for an epoch unless inter-sweep " \ | |
| 1064 | 1492 "duration exceeds this threhold in milliseconds") \ |
| 0 | 1493 \ |
| 1494 develop(bool, CMSTraceIncrementalMode, false, \ | |
| 1495 "Trace CMS incremental mode") \ | |
| 1496 \ | |
| 1497 develop(bool, CMSTraceIncrementalPacing, false, \ | |
| 1498 "Trace CMS incremental mode pacing computation") \ | |
| 1499 \ | |
| 1500 develop(bool, CMSTraceThreadState, false, \ | |
| 1501 "Trace the CMS thread state (enable the trace_state() method)") \ | |
| 1502 \ | |
| 1503 product(bool, CMSClassUnloadingEnabled, false, \ | |
| 1504 "Whether class unloading enabled when using CMS GC") \ | |
| 1505 \ | |
|
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1506 product(uintx, CMSClassUnloadingMaxInterval, 0, \ |
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1507 "When CMS class unloading is enabled, the maximum CMS cycle count"\ |
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1508 " for which classes may not be unloaded") \ |
|
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1509 \ |
| 0 | 1510 product(bool, CMSCompactWhenClearAllSoftRefs, true, \ |
| 1511 "Compact when asked to collect CMS gen with clear_all_soft_refs") \ | |
| 1512 \ | |
| 1513 product(bool, UseCMSCompactAtFullCollection, true, \ | |
| 1514 "Use mark sweep compact at full collections") \ | |
| 1515 \ | |
| 1516 product(uintx, CMSFullGCsBeforeCompaction, 0, \ | |
| 1517 "Number of CMS full collection done before compaction if > 0") \ | |
| 1518 \ | |
| 1519 develop(intx, CMSDictionaryChoice, 0, \ | |
| 1520 "Use BinaryTreeDictionary as default in the CMS generation") \ | |
| 1521 \ | |
| 1522 product(uintx, CMSIndexedFreeListReplenish, 4, \ | |
| 1523 "Replenish and indexed free list with this number of chunks") \ | |
| 1524 \ | |
|
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1525 product(bool, CMSReplenishIntermediate, true, \ |
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1526 "Replenish all intermediate free-list caches") \ |
|
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1527 \ |
|
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1528 product(bool, CMSSplitIndexedFreeListBlocks, true, \ |
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1529 "When satisfying batched demand, splot blocks from the " \ |
|
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1530 "IndexedFreeList whose size is a multiple of requested size") \ |
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1531 \ |
| 0 | 1532 product(bool, CMSLoopWarn, false, \ |
| 1533 "Warn in case of excessive CMS looping") \ | |
| 1534 \ | |
| 1535 develop(bool, CMSOverflowEarlyRestoration, false, \ | |
| 1536 "Whether preserved marks should be restored early") \ | |
| 1537 \ | |
|
541
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1538 product(uintx, CMSMarkStackSize, NOT_LP64(32*K) LP64_ONLY(4*M), \ |
| 0 | 1539 "Size of CMS marking stack") \ |
| 1540 \ | |
|
541
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1541 product(uintx, CMSMarkStackSizeMax, NOT_LP64(4*M) LP64_ONLY(512*M), \ |
| 0 | 1542 "Max size of CMS marking stack") \ |
| 1543 \ | |
| 1544 notproduct(bool, CMSMarkStackOverflowALot, false, \ | |
| 1545 "Whether we should simulate frequent marking stack / work queue" \ | |
| 1546 " overflow") \ | |
| 1547 \ | |
| 534 | 1548 notproduct(uintx, CMSMarkStackOverflowInterval, 1000, \ |
| 1549 "An `interval' counter that determines how frequently" \ | |
| 0 | 1550 " we simulate overflow; a smaller number increases frequency") \ |
| 1551 \ | |
| 1552 product(uintx, CMSMaxAbortablePrecleanLoops, 0, \ | |
| 1553 "(Temporary, subject to experimentation)" \ | |
| 1554 "Maximum number of abortable preclean iterations, if > 0") \ | |
| 1555 \ | |
| 1556 product(intx, CMSMaxAbortablePrecleanTime, 5000, \ | |
| 1557 "(Temporary, subject to experimentation)" \ | |
| 1558 "Maximum time in abortable preclean in ms") \ | |
| 1559 \ | |
| 1560 product(uintx, CMSAbortablePrecleanMinWorkPerIteration, 100, \ | |
| 1561 "(Temporary, subject to experimentation)" \ | |
| 1562 "Nominal minimum work per abortable preclean iteration") \ | |
| 1563 \ | |
| 1564 product(intx, CMSAbortablePrecleanWaitMillis, 100, \ | |
| 1565 "(Temporary, subject to experimentation)" \ | |
| 1566 " Time that we sleep between iterations when not given" \ | |
| 1567 " enough work per iteration") \ | |
| 1568 \ | |
| 1569 product(uintx, CMSRescanMultiple, 32, \ | |
| 1570 "Size (in cards) of CMS parallel rescan task") \ | |
| 1571 \ | |
| 1572 product(uintx, CMSConcMarkMultiple, 32, \ | |
| 1573 "Size (in cards) of CMS concurrent MT marking task") \ | |
| 1574 \ | |
| 1575 product(uintx, CMSRevisitStackSize, 1*M, \ | |
| 1576 "Size of CMS KlassKlass revisit stack") \ | |
| 1577 \ | |
| 1578 product(bool, CMSAbortSemantics, false, \ | |
| 1579 "Whether abort-on-overflow semantics is implemented") \ | |
| 1580 \ | |
| 1581 product(bool, CMSParallelRemarkEnabled, true, \ | |
| 1582 "Whether parallel remark enabled (only if ParNewGC)") \ | |
| 1583 \ | |
| 1584 product(bool, CMSParallelSurvivorRemarkEnabled, true, \ | |
| 1585 "Whether parallel remark of survivor space" \ | |
| 1586 " enabled (effective only if CMSParallelRemarkEnabled)") \ | |
| 1587 \ | |
| 1588 product(bool, CMSPLABRecordAlways, true, \ | |
| 1589 "Whether to always record survivor space PLAB bdries" \ | |
| 1590 " (effective only if CMSParallelSurvivorRemarkEnabled)") \ | |
| 1591 \ | |
| 1592 product(bool, CMSConcurrentMTEnabled, true, \ | |
| 1593 "Whether multi-threaded concurrent work enabled (if ParNewGC)") \ | |
| 1594 \ | |
| 1595 product(bool, CMSPermGenPrecleaningEnabled, true, \ | |
| 1596 "Whether concurrent precleaning enabled in perm gen" \ | |
| 1597 " (effective only when CMSPrecleaningEnabled is true)") \ | |
| 1598 \ | |
| 1599 product(bool, CMSPrecleaningEnabled, true, \ | |
| 1600 "Whether concurrent precleaning enabled") \ | |
| 1601 \ | |
| 1602 product(uintx, CMSPrecleanIter, 3, \ | |
| 1603 "Maximum number of precleaning iteration passes") \ | |
| 1604 \ | |
| 1605 product(uintx, CMSPrecleanNumerator, 2, \ | |
| 1606 "CMSPrecleanNumerator:CMSPrecleanDenominator yields convergence" \ | |
| 1607 " ratio") \ | |
| 1608 \ | |
| 1609 product(uintx, CMSPrecleanDenominator, 3, \ | |
| 1610 "CMSPrecleanNumerator:CMSPrecleanDenominator yields convergence" \ | |
| 1611 " ratio") \ | |
| 1612 \ | |
|
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1613 product(bool, CMSPrecleanRefLists1, true, \ |
| 0 | 1614 "Preclean ref lists during (initial) preclean phase") \ |
| 1615 \ | |
| 1616 product(bool, CMSPrecleanRefLists2, false, \ | |
| 1617 "Preclean ref lists during abortable preclean phase") \ | |
| 1618 \ | |
| 1619 product(bool, CMSPrecleanSurvivors1, false, \ | |
| 1620 "Preclean survivors during (initial) preclean phase") \ | |
| 1621 \ | |
| 1622 product(bool, CMSPrecleanSurvivors2, true, \ | |
| 1623 "Preclean survivors during abortable preclean phase") \ | |
| 1624 \ | |
| 1625 product(uintx, CMSPrecleanThreshold, 1000, \ | |
| 1626 "Don't re-iterate if #dirty cards less than this") \ | |
| 1627 \ | |
| 1628 product(bool, CMSCleanOnEnter, true, \ | |
| 1629 "Clean-on-enter optimization for reducing number of dirty cards") \ | |
| 1630 \ | |
| 1631 product(uintx, CMSRemarkVerifyVariant, 1, \ | |
| 1632 "Choose variant (1,2) of verification following remark") \ | |
| 1633 \ | |
| 1634 product(uintx, CMSScheduleRemarkEdenSizeThreshold, 2*M, \ | |
| 1635 "If Eden used is below this value, don't try to schedule remark") \ | |
| 1636 \ | |
| 1637 product(uintx, CMSScheduleRemarkEdenPenetration, 50, \ | |
| 1638 "The Eden occupancy % at which to try and schedule remark pause") \ | |
| 1639 \ | |
| 1640 product(uintx, CMSScheduleRemarkSamplingRatio, 5, \ | |
| 1641 "Start sampling Eden top at least before yg occupancy reaches" \ | |
| 1642 " 1/<ratio> of the size at which we plan to schedule remark") \ | |
| 1643 \ | |
| 1644 product(uintx, CMSSamplingGrain, 16*K, \ | |
| 1645 "The minimum distance between eden samples for CMS (see above)") \ | |
| 1646 \ | |
| 1647 product(bool, CMSScavengeBeforeRemark, false, \ | |
| 1648 "Attempt scavenge before the CMS remark step") \ | |
| 1649 \ | |
| 1650 develop(bool, CMSTraceSweeper, false, \ | |
| 1651 "Trace some actions of the CMS sweeper") \ | |
| 1652 \ | |
| 1653 product(uintx, CMSWorkQueueDrainThreshold, 10, \ | |
| 1654 "Don't drain below this size per parallel worker/thief") \ | |
| 1655 \ | |
| 1656 product(intx, CMSWaitDuration, 2000, \ | |
| 1657 "Time in milliseconds that CMS thread waits for young GC") \ | |
| 1658 \ | |
| 1659 product(bool, CMSYield, true, \ | |
| 1660 "Yield between steps of concurrent mark & sweep") \ | |
| 1661 \ | |
| 1662 product(uintx, CMSBitMapYieldQuantum, 10*M, \ | |
| 1663 "Bitmap operations should process at most this many bits" \ | |
| 1664 "between yields") \ | |
| 1665 \ | |
|
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1666 product(bool, CMSDumpAtPromotionFailure, false, \ |
|
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1667 "Dump useful information about the state of the CMS old " \ |
|
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|
1668 " generation upon a promotion failure.") \ |
|
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|
1669 \ |
|
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1670 product(bool, CMSPrintChunksInDump, false, \ |
|
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|
1671 "In a dump enabled by CMSDumpAtPromotionFailure, include " \ |
|
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|
1672 " more detailed information about the free chunks.") \ |
|
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|
1673 \ |
|
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|
1674 product(bool, CMSPrintObjectsInDump, false, \ |
|
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|
1675 "In a dump enabled by CMSDumpAtPromotionFailure, include " \ |
|
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|
1676 " more detailed information about the allocated objects.") \ |
|
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|
1677 \ |
| 0 | 1678 diagnostic(bool, FLSVerifyAllHeapReferences, false, \ |
| 1679 "Verify that all refs across the FLS boundary " \ | |
| 1680 " are to valid objects") \ | |
| 1681 \ | |
| 1682 diagnostic(bool, FLSVerifyLists, false, \ | |
| 1683 "Do lots of (expensive) FreeListSpace verification") \ | |
| 1684 \ | |
| 1685 diagnostic(bool, FLSVerifyIndexTable, false, \ | |
| 1686 "Do lots of (expensive) FLS index table verification") \ | |
| 1687 \ | |
| 1688 develop(bool, FLSVerifyDictionary, false, \ | |
| 1689 "Do lots of (expensive) FLS dictionary verification") \ | |
| 1690 \ | |
| 1691 develop(bool, VerifyBlockOffsetArray, false, \ | |
| 1692 "Do (expensive!) block offset array verification") \ | |
| 1693 \ | |
| 1694 product(bool, BlockOffsetArrayUseUnallocatedBlock, trueInDebug, \ | |
| 1695 "Maintain _unallocated_block in BlockOffsetArray" \ | |
| 1696 " (currently applicable only to CMS collector)") \ | |
| 1697 \ | |
| 1698 develop(bool, TraceCMSState, false, \ | |
| 1699 "Trace the state of the CMS collection") \ | |
| 1700 \ | |
| 1701 product(intx, RefDiscoveryPolicy, 0, \ | |
| 1702 "Whether reference-based(0) or referent-based(1)") \ | |
| 1703 \ | |
| 1704 product(bool, ParallelRefProcEnabled, false, \ | |
| 1705 "Enable parallel reference processing whenever possible") \ | |
| 1706 \ | |
| 1707 product(bool, ParallelRefProcBalancingEnabled, true, \ | |
| 1708 "Enable balancing of reference processing queues") \ | |
| 1709 \ | |
| 1710 product(intx, CMSTriggerRatio, 80, \ | |
| 1711 "Percentage of MinHeapFreeRatio in CMS generation that is " \ | |
| 1064 | 1712 "allocated before a CMS collection cycle commences") \ |
| 0 | 1713 \ |
|
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1714 product(intx, CMSTriggerPermRatio, 80, \ |
| 1064 | 1715 "Percentage of MinHeapFreeRatio in the CMS perm generation that " \ |
| 1716 "is allocated before a CMS collection cycle commences, that " \ | |
| 1717 "also collects the perm generation") \ | |
|
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|
1718 \ |
|
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1719 product(uintx, CMSBootstrapOccupancy, 50, \ |
| 0 | 1720 "Percentage CMS generation occupancy at which to " \ |
| 1064 | 1721 "initiate CMS collection for bootstrapping collection stats") \ |
| 0 | 1722 \ |
| 1723 product(intx, CMSInitiatingOccupancyFraction, -1, \ | |
| 1724 "Percentage CMS generation occupancy to start a CMS collection " \ | |
| 1064 | 1725 "cycle. A negative value means that CMSTriggerRatio is used") \ |
|
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|
1726 \ |
|
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1727 product(intx, CMSInitiatingPermOccupancyFraction, -1, \ |
| 1064 | 1728 "Percentage CMS perm generation occupancy to start a " \ |
| 1729 "CMScollection cycle. A negative value means that " \ | |
| 1730 "CMSTriggerPermRatio is used") \ | |
| 0 | 1731 \ |
| 1732 product(bool, UseCMSInitiatingOccupancyOnly, false, \ | |
| 1733 "Only use occupancy as a crierion for starting a CMS collection") \ | |
| 1734 \ | |
|
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1735 product(intx, CMSIsTooFullPercentage, 98, \ |
| 1064 | 1736 "An absolute ceiling above which CMS will always consider the " \ |
| 1737 "perm gen ripe for collection") \ | |
|
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1738 \ |
| 0 | 1739 develop(bool, CMSTestInFreeList, false, \ |
| 1740 "Check if the coalesced range is already in the " \ | |
| 1064 | 1741 "free lists as claimed") \ |
| 0 | 1742 \ |
| 1743 notproduct(bool, CMSVerifyReturnedBytes, false, \ | |
| 1744 "Check that all the garbage collected was returned to the " \ | |
| 1745 "free lists.") \ | |
| 1746 \ | |
| 1747 notproduct(bool, ScavengeALot, false, \ | |
| 1748 "Force scavenge at every Nth exit from the runtime system " \ | |
| 1749 "(N=ScavengeALotInterval)") \ | |
| 1750 \ | |
| 1751 develop(bool, FullGCALot, false, \ | |
| 1752 "Force full gc at every Nth exit from the runtime system " \ | |
| 1753 "(N=FullGCALotInterval)") \ | |
| 1754 \ | |
| 1755 notproduct(bool, GCALotAtAllSafepoints, false, \ | |
| 1756 "Enforce ScavengeALot/GCALot at all potential safepoints") \ | |
| 1757 \ | |
| 1758 product(bool, HandlePromotionFailure, true, \ | |
| 1064 | 1759 "The youngest generation collection does not require " \ |
| 1760 "a guarantee of full promotion of all live objects.") \ | |
| 0 | 1761 \ |
|
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1762 product(bool, PrintPromotionFailure, false, \ |
|
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1763 "Print additional diagnostic information following " \ |
|
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1764 " promotion failure") \ |
|
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1765 \ |
| 0 | 1766 notproduct(bool, PromotionFailureALot, false, \ |
| 1767 "Use promotion failure handling on every youngest generation " \ | |
| 1768 "collection") \ | |
| 1769 \ | |
| 1770 develop(uintx, PromotionFailureALotCount, 1000, \ | |
| 1771 "Number of promotion failures occurring at ParGCAllocBuffer" \ | |
| 1772 "refill attempts (ParNew) or promotion attempts " \ | |
| 1773 "(other young collectors) ") \ | |
| 1774 \ | |
| 1775 develop(uintx, PromotionFailureALotInterval, 5, \ | |
| 1776 "Total collections between promotion failures alot") \ | |
| 1777 \ | |
| 1778 develop(intx, WorkStealingSleepMillis, 1, \ | |
| 1779 "Sleep time when sleep is used for yields") \ | |
| 1780 \ | |
| 1781 develop(uintx, WorkStealingYieldsBeforeSleep, 1000, \ | |
| 1782 "Number of yields before a sleep is done during workstealing") \ | |
| 1783 \ | |
|
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1784 develop(uintx, WorkStealingHardSpins, 4096, \ |
|
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1785 "Number of iterations in a spin loop between checks on " \ |
|
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1786 "time out of hard spin") \ |
|
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1787 \ |
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1788 develop(uintx, WorkStealingSpinToYieldRatio, 10, \ |
|
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1789 "Ratio of hard spins to calls to yield") \ |
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1790 \ |
| 534 | 1791 product(uintx, PreserveMarkStackSize, 1024, \ |
| 1064 | 1792 "Size for stack used in promotion failure handling") \ |
| 0 | 1793 \ |
| 1794 product_pd(bool, UseTLAB, "Use thread-local object allocation") \ | |
| 1795 \ | |
| 1796 product_pd(bool, ResizeTLAB, \ | |
| 1797 "Dynamically resize tlab size for threads") \ | |
| 1798 \ | |
| 1799 product(bool, ZeroTLAB, false, \ | |
| 1800 "Zero out the newly created TLAB") \ | |
| 1801 \ | |
|
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1802 product(bool, FastTLABRefill, true, \ |
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1803 "Use fast TLAB refill code") \ |
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1804 \ |
| 0 | 1805 product(bool, PrintTLAB, false, \ |
| 1806 "Print various TLAB related information") \ | |
| 1807 \ | |
| 1808 product(bool, TLABStats, true, \ | |
| 1809 "Print various TLAB related information") \ | |
| 1810 \ | |
| 941 | 1811 product(bool, PrintRevisitStats, false, \ |
| 1812 "Print revisit (klass and MDO) stack related information") \ | |
| 1813 \ | |
| 0 | 1814 product_pd(bool, NeverActAsServerClassMachine, \ |
| 1815 "Never act like a server-class machine") \ | |
| 1816 \ | |
| 1817 product(bool, AlwaysActAsServerClassMachine, false, \ | |
| 1818 "Always act like a server-class machine") \ | |
| 1819 \ | |
| 1064 | 1820 product_pd(uint64_t, MaxRAM, \ |
| 1821 "Real memory size (in bytes) used to set maximum heap size") \ | |
| 1822 \ | |
| 1823 product(uintx, ErgoHeapSizeLimit, 0, \ | |
| 1824 "Maximum ergonomically set heap size (in bytes); zero means use " \ | |
| 1825 "MaxRAM / MaxRAMFraction") \ | |
| 1826 \ | |
| 1827 product(uintx, MaxRAMFraction, 4, \ | |
| 1828 "Maximum fraction (1/n) of real memory used for maximum heap " \ | |
| 1829 "size") \ | |
| 0 | 1830 \ |
| 1831 product(uintx, DefaultMaxRAMFraction, 4, \ | |
| 1064 | 1832 "Maximum fraction (1/n) of real memory used for maximum heap " \ |
| 1833 "size; deprecated: to be renamed to MaxRAMFraction") \ | |
| 1834 \ | |
| 1835 product(uintx, MinRAMFraction, 2, \ | |
| 1836 "Minimum fraction (1/n) of real memory used for maxmimum heap " \ | |
| 1837 "size on systems with small physical memory size") \ | |
| 1838 \ | |
| 1839 product(uintx, InitialRAMFraction, 64, \ | |
| 1840 "Fraction (1/n) of real memory used for initial heap size") \ | |
| 0 | 1841 \ |
| 1842 product(bool, UseAutoGCSelectPolicy, false, \ | |
| 1843 "Use automatic collection selection policy") \ | |
| 1844 \ | |
| 1845 product(uintx, AutoGCSelectPauseMillis, 5000, \ | |
| 1846 "Automatic GC selection pause threshhold in ms") \ | |
| 1847 \ | |
| 1848 product(bool, UseAdaptiveSizePolicy, true, \ | |
| 1849 "Use adaptive generation sizing policies") \ | |
| 1850 \ | |
| 1851 product(bool, UsePSAdaptiveSurvivorSizePolicy, true, \ | |
| 1852 "Use adaptive survivor sizing policies") \ | |
| 1853 \ | |
| 1854 product(bool, UseAdaptiveGenerationSizePolicyAtMinorCollection, true, \ | |
| 1855 "Use adaptive young-old sizing policies at minor collections") \ | |
| 1856 \ | |
| 1857 product(bool, UseAdaptiveGenerationSizePolicyAtMajorCollection, true, \ | |
| 1858 "Use adaptive young-old sizing policies at major collections") \ | |
| 1859 \ | |
| 1860 product(bool, UseAdaptiveSizePolicyWithSystemGC, false, \ | |
| 1861 "Use statistics from System.GC for adaptive size policy") \ | |
| 1862 \ | |
| 1863 product(bool, UseAdaptiveGCBoundary, false, \ | |
| 1864 "Allow young-old boundary to move") \ | |
| 1865 \ | |
| 1866 develop(bool, TraceAdaptiveGCBoundary, false, \ | |
| 1867 "Trace young-old boundary moves") \ | |
| 1868 \ | |
| 1869 develop(intx, PSAdaptiveSizePolicyResizeVirtualSpaceAlot, -1, \ | |
| 1870 "Resize the virtual spaces of the young or old generations") \ | |
| 1871 \ | |
| 1872 product(uintx, AdaptiveSizeThroughPutPolicy, 0, \ | |
| 1873 "Policy for changeing generation size for throughput goals") \ | |
| 1874 \ | |
| 1875 product(uintx, AdaptiveSizePausePolicy, 0, \ | |
| 1876 "Policy for changing generation size for pause goals") \ | |
| 1877 \ | |
| 1878 develop(bool, PSAdjustTenuredGenForMinorPause, false, \ | |
| 1879 "Adjust tenured generation to achive a minor pause goal") \ | |
| 1880 \ | |
| 1881 develop(bool, PSAdjustYoungGenForMajorPause, false, \ | |
| 1882 "Adjust young generation to achive a major pause goal") \ | |
| 1883 \ | |
| 1884 product(uintx, AdaptiveSizePolicyInitializingSteps, 20, \ | |
| 1885 "Number of steps where heuristics is used before data is used") \ | |
| 1886 \ | |
| 1887 develop(uintx, AdaptiveSizePolicyReadyThreshold, 5, \ | |
| 1888 "Number of collections before the adaptive sizing is started") \ | |
| 1889 \ | |
| 1890 product(uintx, AdaptiveSizePolicyOutputInterval, 0, \ | |
| 1064 | 1891 "Collecton interval for printing information; zero => never") \ |
| 0 | 1892 \ |
| 1893 product(bool, UseAdaptiveSizePolicyFootprintGoal, true, \ | |
| 1894 "Use adaptive minimum footprint as a goal") \ | |
| 1895 \ | |
| 1896 product(uintx, AdaptiveSizePolicyWeight, 10, \ | |
| 1897 "Weight given to exponential resizing, between 0 and 100") \ | |
| 1898 \ | |
| 1899 product(uintx, AdaptiveTimeWeight, 25, \ | |
| 1900 "Weight given to time in adaptive policy, between 0 and 100") \ | |
| 1901 \ | |
| 1902 product(uintx, PausePadding, 1, \ | |
| 1903 "How much buffer to keep for pause time") \ | |
| 1904 \ | |
| 1905 product(uintx, PromotedPadding, 3, \ | |
| 1906 "How much buffer to keep for promotion failure") \ | |
| 1907 \ | |
| 1908 product(uintx, SurvivorPadding, 3, \ | |
| 1909 "How much buffer to keep for survivor overflow") \ | |
| 1910 \ | |
| 1911 product(uintx, AdaptivePermSizeWeight, 20, \ | |
| 1912 "Weight for perm gen exponential resizing, between 0 and 100") \ | |
| 1913 \ | |
| 1914 product(uintx, PermGenPadding, 3, \ | |
| 1915 "How much buffer to keep for perm gen sizing") \ | |
| 1916 \ | |
| 1917 product(uintx, ThresholdTolerance, 10, \ | |
| 1918 "Allowed collection cost difference between generations") \ | |
| 1919 \ | |
| 1920 product(uintx, AdaptiveSizePolicyCollectionCostMargin, 50, \ | |
| 1064 | 1921 "If collection costs are within margin, reduce both by full " \ |
| 1922 "delta") \ | |
| 0 | 1923 \ |
| 1924 product(uintx, YoungGenerationSizeIncrement, 20, \ | |
| 1925 "Adaptive size percentage change in young generation") \ | |
| 1926 \ | |
| 1927 product(uintx, YoungGenerationSizeSupplement, 80, \ | |
| 1928 "Supplement to YoungedGenerationSizeIncrement used at startup") \ | |
| 1929 \ | |
| 1930 product(uintx, YoungGenerationSizeSupplementDecay, 8, \ | |
| 1931 "Decay factor to YoungedGenerationSizeSupplement") \ | |
| 1932 \ | |
| 1933 product(uintx, TenuredGenerationSizeIncrement, 20, \ | |
| 1934 "Adaptive size percentage change in tenured generation") \ | |
| 1935 \ | |
| 1936 product(uintx, TenuredGenerationSizeSupplement, 80, \ | |
| 1937 "Supplement to TenuredGenerationSizeIncrement used at startup") \ | |
| 1938 \ | |
| 1939 product(uintx, TenuredGenerationSizeSupplementDecay, 2, \ | |
| 1940 "Decay factor to TenuredGenerationSizeIncrement") \ | |
| 1941 \ | |
| 1942 product(uintx, MaxGCPauseMillis, max_uintx, \ | |
| 751 | 1943 "Adaptive size policy maximum GC pause time goal in msec, " \ |
| 1944 "or (G1 Only) the max. GC time per MMU time slice") \ | |
| 1945 \ | |
| 1946 product(intx, GCPauseIntervalMillis, 500, \ | |
| 1947 "Time slice for MMU specification") \ | |
| 0 | 1948 \ |
| 1949 product(uintx, MaxGCMinorPauseMillis, max_uintx, \ | |
| 1950 "Adaptive size policy maximum GC minor pause time goal in msec") \ | |
| 1951 \ | |
| 1952 product(uintx, GCTimeRatio, 99, \ | |
| 1953 "Adaptive size policy application time to GC time ratio") \ | |
| 1954 \ | |
| 1955 product(uintx, AdaptiveSizeDecrementScaleFactor, 4, \ | |
| 1956 "Adaptive size scale down factor for shrinking") \ | |
| 1957 \ | |
| 1958 product(bool, UseAdaptiveSizeDecayMajorGCCost, true, \ | |
| 1959 "Adaptive size decays the major cost for long major intervals") \ | |
| 1960 \ | |
| 1961 product(uintx, AdaptiveSizeMajorGCDecayTimeScale, 10, \ | |
| 1962 "Time scale over which major costs decay") \ | |
| 1963 \ | |
| 1964 product(uintx, MinSurvivorRatio, 3, \ | |
| 1965 "Minimum ratio of young generation/survivor space size") \ | |
| 1966 \ | |
| 1967 product(uintx, InitialSurvivorRatio, 8, \ | |
| 1968 "Initial ratio of eden/survivor space size") \ | |
| 1969 \ | |
| 1970 product(uintx, BaseFootPrintEstimate, 256*M, \ | |
| 1971 "Estimate of footprint other than Java Heap") \ | |
| 1972 \ | |
| 1973 product(bool, UseGCOverheadLimit, true, \ | |
| 1974 "Use policy to limit of proportion of time spent in GC " \ | |
| 1975 "before an OutOfMemory error is thrown") \ | |
| 1976 \ | |
| 1977 product(uintx, GCTimeLimit, 98, \ | |
| 1978 "Limit of proportion of time spent in GC before an OutOfMemory" \ | |
| 1979 "error is thrown (used with GCHeapFreeLimit)") \ | |
| 1980 \ | |
| 1981 product(uintx, GCHeapFreeLimit, 2, \ | |
| 1982 "Minimum percentage of free space after a full GC before an " \ | |
| 1983 "OutOfMemoryError is thrown (used with GCTimeLimit)") \ | |
| 1984 \ | |
| 1985 develop(uintx, AdaptiveSizePolicyGCTimeLimitThreshold, 5, \ | |
| 1986 "Number of consecutive collections before gc time limit fires") \ | |
| 1987 \ | |
| 1988 product(bool, PrintAdaptiveSizePolicy, false, \ | |
| 1989 "Print information about AdaptiveSizePolicy") \ | |
| 1990 \ | |
| 1991 product(intx, PrefetchCopyIntervalInBytes, -1, \ | |
| 1992 "How far ahead to prefetch destination area (<= 0 means off)") \ | |
| 1993 \ | |
| 1994 product(intx, PrefetchScanIntervalInBytes, -1, \ | |
| 1995 "How far ahead to prefetch scan area (<= 0 means off)") \ | |
| 1996 \ | |
| 1997 product(intx, PrefetchFieldsAhead, -1, \ | |
| 1998 "How many fields ahead to prefetch in oop scan (<= 0 means off)") \ | |
| 1999 \ | |
| 2000 develop(bool, UsePrefetchQueue, true, \ | |
| 2001 "Use the prefetch queue during PS promotion") \ | |
| 2002 \ | |
| 2003 diagnostic(bool, VerifyBeforeExit, trueInDebug, \ | |
| 2004 "Verify system before exiting") \ | |
| 2005 \ | |
| 2006 diagnostic(bool, VerifyBeforeGC, false, \ | |
| 2007 "Verify memory system before GC") \ | |
| 2008 \ | |
| 2009 diagnostic(bool, VerifyAfterGC, false, \ | |
| 2010 "Verify memory system after GC") \ | |
| 2011 \ | |
| 2012 diagnostic(bool, VerifyDuringGC, false, \ | |
| 2013 "Verify memory system during GC (between phases)") \ | |
| 2014 \ | |
| 390 | 2015 diagnostic(bool, GCParallelVerificationEnabled, true, \ |
| 2016 "Enable parallel memory system verification") \ | |
| 2017 \ | |
| 0 | 2018 diagnostic(bool, VerifyRememberedSets, false, \ |
| 2019 "Verify GC remembered sets") \ | |
| 2020 \ | |
| 2021 diagnostic(bool, VerifyObjectStartArray, true, \ | |
| 2022 "Verify GC object start array if verify before/after") \ | |
| 2023 \ | |
| 2024 product(bool, DisableExplicitGC, false, \ | |
| 2025 "Tells whether calling System.gc() does a full GC") \ | |
| 2026 \ | |
| 2027 notproduct(bool, CheckMemoryInitialization, false, \ | |
| 2028 "Checks memory initialization") \ | |
| 2029 \ | |
| 2030 product(bool, CollectGen0First, false, \ | |
| 2031 "Collect youngest generation before each full GC") \ | |
| 2032 \ | |
| 2033 diagnostic(bool, BindCMSThreadToCPU, false, \ | |
| 2034 "Bind CMS Thread to CPU if possible") \ | |
| 2035 \ | |
| 2036 diagnostic(uintx, CPUForCMSThread, 0, \ | |
| 2037 "When BindCMSThreadToCPU is true, the CPU to bind CMS thread to") \ | |
| 2038 \ | |
| 2039 product(bool, BindGCTaskThreadsToCPUs, false, \ | |
| 2040 "Bind GCTaskThreads to CPUs if possible") \ | |
| 2041 \ | |
| 2042 product(bool, UseGCTaskAffinity, false, \ | |
| 2043 "Use worker affinity when asking for GCTasks") \ | |
| 2044 \ | |
| 2045 product(uintx, ProcessDistributionStride, 4, \ | |
| 2046 "Stride through processors when distributing processes") \ | |
| 2047 \ | |
| 2048 product(uintx, CMSCoordinatorYieldSleepCount, 10, \ | |
| 2049 "number of times the coordinator GC thread will sleep while " \ | |
| 2050 "yielding before giving up and resuming GC") \ | |
| 2051 \ | |
| 2052 product(uintx, CMSYieldSleepCount, 0, \ | |
| 2053 "number of times a GC thread (minus the coordinator) " \ | |
| 2054 "will sleep while yielding before giving up and resuming GC") \ | |
| 2055 \ | |
|
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2056 notproduct(bool, PrintFlagsFinal, false, \ |
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2057 "Print all command line flags after argument processing") \ |
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2058 \ |
| 0 | 2059 /* gc tracing */ \ |
| 2060 manageable(bool, PrintGC, false, \ | |
| 2061 "Print message at garbage collect") \ | |
| 2062 \ | |
| 2063 manageable(bool, PrintGCDetails, false, \ | |
| 2064 "Print more details at garbage collect") \ | |
| 2065 \ | |
| 2066 manageable(bool, PrintGCDateStamps, false, \ | |
| 2067 "Print date stamps at garbage collect") \ | |
| 2068 \ | |
| 2069 manageable(bool, PrintGCTimeStamps, false, \ | |
| 2070 "Print timestamps at garbage collect") \ | |
| 2071 \ | |
| 2072 product(bool, PrintGCTaskTimeStamps, false, \ | |
| 2073 "Print timestamps for individual gc worker thread tasks") \ | |
| 2074 \ | |
| 2075 develop(intx, ConcGCYieldTimeout, 0, \ | |
| 2076 "If non-zero, assert that GC threads yield within this # of ms.") \ | |
| 2077 \ | |
| 2078 notproduct(bool, TraceMarkSweep, false, \ | |
| 2079 "Trace mark sweep") \ | |
| 2080 \ | |
| 2081 product(bool, PrintReferenceGC, false, \ | |
| 2082 "Print times spent handling reference objects during GC " \ | |
| 2083 " (enabled only when PrintGCDetails)") \ | |
| 2084 \ | |
| 2085 develop(bool, TraceReferenceGC, false, \ | |
| 2086 "Trace handling of soft/weak/final/phantom references") \ | |
| 2087 \ | |
| 2088 develop(bool, TraceFinalizerRegistration, false, \ | |
| 2089 "Trace registration of final references") \ | |
| 2090 \ | |
| 2091 notproduct(bool, TraceScavenge, false, \ | |
| 2092 "Trace scavenge") \ | |
| 2093 \ | |
| 2094 product_rw(bool, TraceClassLoading, false, \ | |
| 2095 "Trace all classes loaded") \ | |
| 2096 \ | |
| 2097 product(bool, TraceClassLoadingPreorder, false, \ | |
| 2098 "Trace all classes loaded in order referenced (not loaded)") \ | |
| 2099 \ | |
| 2100 product_rw(bool, TraceClassUnloading, false, \ | |
| 2101 "Trace unloading of classes") \ | |
| 2102 \ | |
| 2103 product_rw(bool, TraceLoaderConstraints, false, \ | |
| 2104 "Trace loader constraints") \ | |
| 2105 \ | |
| 2106 product(bool, TraceGen0Time, false, \ | |
| 2107 "Trace accumulated time for Gen 0 collection") \ | |
| 2108 \ | |
| 2109 product(bool, TraceGen1Time, false, \ | |
| 2110 "Trace accumulated time for Gen 1 collection") \ | |
| 2111 \ | |
| 2112 product(bool, PrintTenuringDistribution, false, \ | |
| 2113 "Print tenuring age information") \ | |
| 2114 \ | |
| 2115 product_rw(bool, PrintHeapAtGC, false, \ | |
| 2116 "Print heap layout before and after each GC") \ | |
| 2117 \ | |
|
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2118 product_rw(bool, PrintHeapAtGCExtended, false, \ |
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2119 "Prints extended information about the layout of the heap " \ |
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2120 "when -XX:+PrintHeapAtGC is set") \ |
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2121 \ |
| 0 | 2122 product(bool, PrintHeapAtSIGBREAK, true, \ |
| 2123 "Print heap layout in response to SIGBREAK") \ | |
| 2124 \ | |
|
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2125 manageable(bool, PrintClassHistogramBeforeFullGC, false, \ |
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2126 "Print a class histogram before any major stop-world GC") \ |
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2127 \ |
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2128 manageable(bool, PrintClassHistogramAfterFullGC, false, \ |
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2129 "Print a class histogram after any major stop-world GC") \ |
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2130 \ |
| 0 | 2131 manageable(bool, PrintClassHistogram, false, \ |
| 2132 "Print a histogram of class instances") \ | |
| 2133 \ | |
| 2134 develop(bool, TraceWorkGang, false, \ | |
| 2135 "Trace activities of work gangs") \ | |
| 2136 \ | |
| 2137 product(bool, TraceParallelOldGCTasks, false, \ | |
| 2138 "Trace multithreaded GC activity") \ | |
| 2139 \ | |
| 2140 develop(bool, TraceBlockOffsetTable, false, \ | |
| 2141 "Print BlockOffsetTable maps") \ | |
| 2142 \ | |
| 2143 develop(bool, TraceCardTableModRefBS, false, \ | |
| 2144 "Print CardTableModRefBS maps") \ | |
| 2145 \ | |
| 2146 develop(bool, TraceGCTaskManager, false, \ | |
| 2147 "Trace actions of the GC task manager") \ | |
| 2148 \ | |
| 2149 develop(bool, TraceGCTaskQueue, false, \ | |
| 2150 "Trace actions of the GC task queues") \ | |
| 2151 \ | |
| 2152 develop(bool, TraceGCTaskThread, false, \ | |
| 2153 "Trace actions of the GC task threads") \ | |
| 2154 \ | |
| 2155 product(bool, PrintParallelOldGCPhaseTimes, false, \ | |
| 2156 "Print the time taken by each parallel old gc phase." \ | |
| 2157 "PrintGCDetails must also be enabled.") \ | |
| 2158 \ | |
| 2159 develop(bool, TraceParallelOldGCMarkingPhase, false, \ | |
| 2160 "Trace parallel old gc marking phase") \ | |
| 2161 \ | |
| 2162 develop(bool, TraceParallelOldGCSummaryPhase, false, \ | |
| 2163 "Trace parallel old gc summary phase") \ | |
| 2164 \ | |
| 2165 develop(bool, TraceParallelOldGCCompactionPhase, false, \ | |
| 2166 "Trace parallel old gc compaction phase") \ | |
| 2167 \ | |
| 2168 develop(bool, TraceParallelOldGCDensePrefix, false, \ | |
| 2169 "Trace parallel old gc dense prefix computation") \ | |
| 2170 \ | |
| 2171 develop(bool, IgnoreLibthreadGPFault, false, \ | |
| 2172 "Suppress workaround for libthread GP fault") \ | |
| 2173 \ | |
|
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2174 product(bool, PrintJNIGCStalls, false, \ |
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2175 "Print diagnostic message when GC is stalled" \ |
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2176 "by JNI critical section") \ |
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2177 \ |
| 0 | 2178 /* JVMTI heap profiling */ \ |
| 2179 \ | |
| 2180 diagnostic(bool, TraceJVMTIObjectTagging, false, \ | |
| 2181 "Trace JVMTI object tagging calls") \ | |
| 2182 \ | |
| 2183 diagnostic(bool, VerifyBeforeIteration, false, \ | |
| 2184 "Verify memory system before JVMTI iteration") \ | |
| 2185 \ | |
| 2186 /* compiler interface */ \ | |
| 2187 \ | |
| 2188 develop(bool, CIPrintCompilerName, false, \ | |
| 2189 "when CIPrint is active, print the name of the active compiler") \ | |
| 2190 \ | |
| 2191 develop(bool, CIPrintCompileQueue, false, \ | |
| 2192 "display the contents of the compile queue whenever a " \ | |
| 2193 "compilation is enqueued") \ | |
| 2194 \ | |
| 2195 develop(bool, CIPrintRequests, false, \ | |
| 2196 "display every request for compilation") \ | |
| 2197 \ | |
| 2198 product(bool, CITime, false, \ | |
| 2199 "collect timing information for compilation") \ | |
| 2200 \ | |
| 2201 develop(bool, CITimeEach, false, \ | |
| 2202 "display timing information after each successful compilation") \ | |
| 2203 \ | |
| 2204 develop(bool, CICountOSR, true, \ | |
| 2205 "use a separate counter when assigning ids to osr compilations") \ | |
| 2206 \ | |
| 2207 develop(bool, CICompileNatives, true, \ | |
| 2208 "compile native methods if supported by the compiler") \ | |
| 2209 \ | |
| 2210 develop_pd(bool, CICompileOSR, \ | |
| 2211 "compile on stack replacement methods if supported by the " \ | |
| 2212 "compiler") \ | |
| 2213 \ | |
| 2214 develop(bool, CIPrintMethodCodes, false, \ | |
| 2215 "print method bytecodes of the compiled code") \ | |
| 2216 \ | |
| 2217 develop(bool, CIPrintTypeFlow, false, \ | |
| 2218 "print the results of ciTypeFlow analysis") \ | |
| 2219 \ | |
| 2220 develop(bool, CITraceTypeFlow, false, \ | |
| 2221 "detailed per-bytecode tracing of ciTypeFlow analysis") \ | |
| 2222 \ | |
| 2223 develop(intx, CICloneLoopTestLimit, 100, \ | |
| 2224 "size limit for blocks heuristically cloned in ciTypeFlow") \ | |
| 2225 \ | |
| 2226 /* temp diagnostics */ \ | |
| 2227 \ | |
| 2228 diagnostic(bool, TraceRedundantCompiles, false, \ | |
| 2229 "Have compile broker print when a request already in the queue is"\ | |
| 2230 " requested again") \ | |
| 2231 \ | |
| 2232 diagnostic(bool, InitialCompileFast, false, \ | |
| 2233 "Initial compile at CompLevel_fast_compile") \ | |
| 2234 \ | |
| 2235 diagnostic(bool, InitialCompileReallyFast, false, \ | |
| 2236 "Initial compile at CompLevel_really_fast_compile (no profile)") \ | |
| 2237 \ | |
| 2238 diagnostic(bool, FullProfileOnReInterpret, true, \ | |
| 2239 "On re-interpret unc-trap compile next at CompLevel_fast_compile")\ | |
| 2240 \ | |
| 2241 /* compiler */ \ | |
| 2242 \ | |
| 2243 product(intx, CICompilerCount, CI_COMPILER_COUNT, \ | |
| 2244 "Number of compiler threads to run") \ | |
| 2245 \ | |
| 2246 product(intx, CompilationPolicyChoice, 0, \ | |
| 2247 "which compilation policy (0/1)") \ | |
| 2248 \ | |
| 2249 develop(bool, UseStackBanging, true, \ | |
| 2250 "use stack banging for stack overflow checks (required for " \ | |
| 2251 "proper StackOverflow handling; disable only to measure cost " \ | |
| 2252 "of stackbanging)") \ | |
| 2253 \ | |
| 2254 develop(bool, Use24BitFPMode, true, \ | |
| 2255 "Set 24-bit FPU mode on a per-compile basis ") \ | |
| 2256 \ | |
| 2257 develop(bool, Use24BitFP, true, \ | |
| 2258 "use FP instructions that produce 24-bit precise results") \ | |
| 2259 \ | |
| 2260 develop(bool, UseStrictFP, true, \ | |
| 2261 "use strict fp if modifier strictfp is set") \ | |
| 2262 \ | |
| 2263 develop(bool, GenerateSynchronizationCode, true, \ | |
| 2264 "generate locking/unlocking code for synchronized methods and " \ | |
| 2265 "monitors") \ | |
| 2266 \ | |
| 2267 develop(bool, GenerateCompilerNullChecks, true, \ | |
| 2268 "Generate explicit null checks for loads/stores/calls") \ | |
| 2269 \ | |
| 2270 develop(bool, GenerateRangeChecks, true, \ | |
| 2271 "Generate range checks for array accesses") \ | |
| 2272 \ | |
| 2273 develop_pd(bool, ImplicitNullChecks, \ | |
| 2274 "generate code for implicit null checks") \ | |
| 2275 \ | |
| 2276 product(bool, PrintSafepointStatistics, false, \ | |
| 2277 "print statistics about safepoint synchronization") \ | |
| 2278 \ | |
| 2279 product(intx, PrintSafepointStatisticsCount, 300, \ | |
| 2280 "total number of safepoint statistics collected " \ | |
| 2281 "before printing them out") \ | |
| 2282 \ | |
| 2283 product(intx, PrintSafepointStatisticsTimeout, -1, \ | |
| 2284 "print safepoint statistics only when safepoint takes" \ | |
| 2285 " more than PrintSafepointSatisticsTimeout in millis") \ | |
| 2286 \ | |
| 2287 develop(bool, InlineAccessors, true, \ | |
| 2288 "inline accessor methods (get/set)") \ | |
| 2289 \ | |
| 2290 product(bool, Inline, true, \ | |
| 2291 "enable inlining") \ | |
| 2292 \ | |
| 2293 product(bool, ClipInlining, true, \ | |
| 2294 "clip inlining if aggregate method exceeds DesiredMethodLimit") \ | |
| 2295 \ | |
| 2296 develop(bool, UseCHA, true, \ | |
| 2297 "enable CHA") \ | |
| 2298 \ | |
| 2299 product(bool, UseTypeProfile, true, \ | |
| 2300 "Check interpreter profile for historically monomorphic calls") \ | |
| 2301 \ | |
| 2302 product(intx, TypeProfileMajorReceiverPercent, 90, \ | |
| 2303 "% of major receiver type to all profiled receivers") \ | |
| 2304 \ | |
| 2305 notproduct(bool, TimeCompiler, false, \ | |
| 2306 "time the compiler") \ | |
| 2307 \ | |
| 2308 notproduct(bool, TimeCompiler2, false, \ | |
| 2309 "detailed time the compiler (requires +TimeCompiler)") \ | |
| 2310 \ | |
| 2311 diagnostic(bool, PrintInlining, false, \ | |
| 2312 "prints inlining optimizations") \ | |
| 2313 \ | |
| 2314 diagnostic(bool, PrintIntrinsics, false, \ | |
| 2315 "prints attempted and successful inlining of intrinsics") \ | |
| 2316 \ | |
|
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2317 product(bool, UseCountLeadingZerosInstruction, false, \ |
|
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2318 "Use count leading zeros instruction") \ |
|
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|
2319 \ |
|
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|
2320 product(bool, UsePopCountInstruction, false, \ |
|
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2321 "Use population count instruction") \ |
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|
2322 \ |
| 0 | 2323 diagnostic(ccstrlist, DisableIntrinsic, "", \ |
| 2324 "do not expand intrinsics whose (internal) names appear here") \ | |
| 2325 \ | |
| 2326 develop(bool, StressReflectiveCode, false, \ | |
| 2327 "Use inexact types at allocations, etc., to test reflection") \ | |
| 2328 \ | |
| 2329 develop(bool, EagerInitialization, false, \ | |
| 2330 "Eagerly initialize classes if possible") \ | |
| 2331 \ | |
| 2332 product(bool, Tier1UpdateMethodData, trueInTiered, \ | |
| 2333 "Update methodDataOops in Tier1-generated code") \ | |
| 2334 \ | |
| 2335 develop(bool, TraceMethodReplacement, false, \ | |
| 2336 "Print when methods are replaced do to recompilation") \ | |
| 2337 \ | |
| 2338 develop(bool, PrintMethodFlushing, false, \ | |
| 2339 "print the nmethods being flushed") \ | |
| 2340 \ | |
| 2341 notproduct(bool, LogMultipleMutexLocking, false, \ | |
| 2342 "log locking and unlocking of mutexes (only if multiple locks " \ | |
| 2343 "are held)") \ | |
| 2344 \ | |
| 2345 develop(bool, UseRelocIndex, false, \ | |
| 2346 "use an index to speed random access to relocations") \ | |
| 2347 \ | |
| 2348 develop(bool, StressCodeBuffers, false, \ | |
| 2349 "Exercise code buffer expansion and other rare state changes") \ | |
| 2350 \ | |
| 2351 diagnostic(bool, DebugNonSafepoints, trueInDebug, \ | |
| 2352 "Generate extra debugging info for non-safepoints in nmethods") \ | |
| 2353 \ | |
| 2354 diagnostic(bool, DebugInlinedCalls, true, \ | |
| 2355 "If false, restricts profiled locations to the root method only") \ | |
| 2356 \ | |
| 2357 product(bool, PrintVMOptions, trueInDebug, \ | |
| 2358 "print VM flag settings") \ | |
| 2359 \ | |
| 564 | 2360 product(bool, IgnoreUnrecognizedVMOptions, false, \ |
| 2361 "Ignore unrecognized VM options") \ | |
| 2362 \ | |
| 0 | 2363 diagnostic(bool, SerializeVMOutput, true, \ |
| 2364 "Use a mutex to serialize output to tty and hotspot.log") \ | |
| 2365 \ | |
| 2366 diagnostic(bool, DisplayVMOutput, true, \ | |
| 2367 "Display all VM output on the tty, independently of LogVMOutput") \ | |
| 2368 \ | |
| 2369 diagnostic(bool, LogVMOutput, trueInDebug, \ | |
| 2370 "Save VM output to hotspot.log, or to LogFile") \ | |
| 2371 \ | |
| 2372 diagnostic(ccstr, LogFile, NULL, \ | |
| 2373 "If LogVMOutput is on, save VM output to this file [hotspot.log]") \ | |
| 2374 \ | |
| 2375 product(ccstr, ErrorFile, NULL, \ | |
| 2376 "If an error occurs, save the error data to this file " \ | |
| 2377 "[default: ./hs_err_pid%p.log] (%p replaced with pid)") \ | |
| 2378 \ | |
| 2379 product(bool, DisplayVMOutputToStderr, false, \ | |
| 2380 "If DisplayVMOutput is true, display all VM output to stderr") \ | |
| 2381 \ | |
| 2382 product(bool, DisplayVMOutputToStdout, false, \ | |
| 2383 "If DisplayVMOutput is true, display all VM output to stdout") \ | |
| 2384 \ | |
| 2385 product(bool, UseHeavyMonitors, false, \ | |
| 2386 "use heavyweight instead of lightweight Java monitors") \ | |
| 2387 \ | |
| 2388 notproduct(bool, PrintSymbolTableSizeHistogram, false, \ | |
| 2389 "print histogram of the symbol table") \ | |
| 2390 \ | |
| 2391 notproduct(bool, ExitVMOnVerifyError, false, \ | |
| 2392 "standard exit from VM if bytecode verify error " \ | |
| 2393 "(only in debug mode)") \ | |
| 2394 \ | |
| 2395 notproduct(ccstr, AbortVMOnException, NULL, \ | |
| 2396 "Call fatal if this exception is thrown. Example: " \ | |
| 2397 "java -XX:AbortVMOnException=java.lang.NullPointerException Foo") \ | |
| 2398 \ | |
| 2399 develop(bool, DebugVtables, false, \ | |
| 2400 "add debugging code to vtable dispatch") \ | |
| 2401 \ | |
| 2402 develop(bool, PrintVtables, false, \ | |
| 2403 "print vtables when printing klass") \ | |
| 2404 \ | |
| 2405 notproduct(bool, PrintVtableStats, false, \ | |
| 2406 "print vtables stats at end of run") \ | |
| 2407 \ | |
| 2408 develop(bool, TraceCreateZombies, false, \ | |
| 2409 "trace creation of zombie nmethods") \ | |
| 2410 \ | |
| 2411 notproduct(bool, IgnoreLockingAssertions, false, \ | |
| 2412 "disable locking assertions (for speed)") \ | |
| 2413 \ | |
| 2414 notproduct(bool, VerifyLoopOptimizations, false, \ | |
| 2415 "verify major loop optimizations") \ | |
| 2416 \ | |
| 2417 product(bool, RangeCheckElimination, true, \ | |
| 2418 "Split loop iterations to eliminate range checks") \ | |
| 2419 \ | |
| 2420 develop_pd(bool, UncommonNullCast, \ | |
| 2421 "track occurrences of null in casts; adjust compiler tactics") \ | |
| 2422 \ | |
| 2423 develop(bool, TypeProfileCasts, true, \ | |
| 2424 "treat casts like calls for purposes of type profiling") \ | |
| 2425 \ | |
| 2426 develop(bool, MonomorphicArrayCheck, true, \ | |
| 2427 "Uncommon-trap array store checks that require full type check") \ | |
| 2428 \ | |
| 2429 develop(bool, DelayCompilationDuringStartup, true, \ | |
| 2430 "Delay invoking the compiler until main application class is " \ | |
| 2431 "loaded") \ | |
| 2432 \ | |
| 2433 develop(bool, CompileTheWorld, false, \ | |
| 2434 "Compile all methods in all classes in bootstrap class path " \ | |
| 2435 "(stress test)") \ | |
| 2436 \ | |
| 2437 develop(bool, CompileTheWorldPreloadClasses, true, \ | |
| 2438 "Preload all classes used by a class before start loading") \ | |
| 2439 \ | |
| 2440 notproduct(bool, CompileTheWorldIgnoreInitErrors, false, \ | |
| 2441 "Compile all methods although class initializer failed") \ | |
| 2442 \ | |
| 2443 develop(bool, TraceIterativeGVN, false, \ | |
| 2444 "Print progress during Iterative Global Value Numbering") \ | |
| 2445 \ | |
| 2446 develop(bool, FillDelaySlots, true, \ | |
| 2447 "Fill delay slots (on SPARC only)") \ | |
| 2448 \ | |
| 2449 develop(bool, VerifyIterativeGVN, false, \ | |
| 2450 "Verify Def-Use modifications during sparse Iterative Global " \ | |
| 2451 "Value Numbering") \ | |
| 2452 \ | |
| 2453 notproduct(bool, TracePhaseCCP, false, \ | |
| 2454 "Print progress during Conditional Constant Propagation") \ | |
| 2455 \ | |
| 2456 develop(bool, TimeLivenessAnalysis, false, \ | |
| 2457 "Time computation of bytecode liveness analysis") \ | |
| 2458 \ | |
| 2459 develop(bool, TraceLivenessGen, false, \ | |
| 2460 "Trace the generation of liveness analysis information") \ | |
| 2461 \ | |
| 2462 notproduct(bool, TraceLivenessQuery, false, \ | |
| 2463 "Trace queries of liveness analysis information") \ | |
| 2464 \ | |
| 2465 notproduct(bool, CollectIndexSetStatistics, false, \ | |
| 2466 "Collect information about IndexSets") \ | |
| 2467 \ | |
| 2468 develop(bool, PrintDominators, false, \ | |
| 2469 "Print out dominator trees for GVN") \ | |
| 2470 \ | |
| 2471 develop(bool, UseLoopSafepoints, true, \ | |
| 2472 "Generate Safepoint nodes in every loop") \ | |
| 2473 \ | |
| 2474 notproduct(bool, TraceCISCSpill, false, \ | |
| 2475 "Trace allocators use of cisc spillable instructions") \ | |
| 2476 \ | |
| 2477 notproduct(bool, TraceSpilling, false, \ | |
| 2478 "Trace spilling") \ | |
| 2479 \ | |
| 2480 develop(bool, DeutschShiffmanExceptions, true, \ | |
| 2481 "Fast check to find exception handler for precisely typed " \ | |
| 2482 "exceptions") \ | |
| 2483 \ | |
| 2484 product(bool, SplitIfBlocks, true, \ | |
| 2485 "Clone compares and control flow through merge points to fold " \ | |
| 2486 "some branches") \ | |
| 2487 \ | |
| 2488 develop(intx, FastAllocateSizeLimit, 128*K, \ | |
| 2489 /* Note: This value is zero mod 1<<13 for a cheap sparc set. */ \ | |
| 2490 "Inline allocations larger than this in doublewords must go slow")\ | |
| 2491 \ | |
| 2492 product(bool, AggressiveOpts, false, \ | |
| 2493 "Enable aggressive optimizations - see arguments.cpp") \ | |
| 2494 \ | |
|
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|
2495 product(bool, UseStringCache, false, \ |
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2496 "Enable String cache capabilities on String.java") \ |
|
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|
2497 \ |
| 0 | 2498 /* statistics */ \ |
| 2499 develop(bool, UseVTune, false, \ | |
| 2500 "enable support for Intel's VTune profiler") \ | |
| 2501 \ | |
| 2502 develop(bool, CountCompiledCalls, false, \ | |
| 2503 "counts method invocations") \ | |
| 2504 \ | |
| 2505 notproduct(bool, CountRuntimeCalls, false, \ | |
| 2506 "counts VM runtime calls") \ | |
| 2507 \ | |
| 2508 develop(bool, CountJNICalls, false, \ | |
| 2509 "counts jni method invocations") \ | |
| 2510 \ | |
| 2511 notproduct(bool, CountJVMCalls, false, \ | |
| 2512 "counts jvm method invocations") \ | |
| 2513 \ | |
| 2514 notproduct(bool, CountRemovableExceptions, false, \ | |
| 2515 "count exceptions that could be replaced by branches due to " \ | |
| 2516 "inlining") \ | |
| 2517 \ | |
| 2518 notproduct(bool, ICMissHistogram, false, \ | |
| 2519 "produce histogram of IC misses") \ | |
| 2520 \ | |
| 2521 notproduct(bool, PrintClassStatistics, false, \ | |
| 2522 "prints class statistics at end of run") \ | |
| 2523 \ | |
| 2524 notproduct(bool, PrintMethodStatistics, false, \ | |
| 2525 "prints method statistics at end of run") \ | |
| 2526 \ | |
| 2527 /* interpreter */ \ | |
| 2528 develop(bool, ClearInterpreterLocals, false, \ | |
| 2529 "Always clear local variables of interpreter activations upon " \ | |
| 2530 "entry") \ | |
| 2531 \ | |
| 2532 product_pd(bool, RewriteBytecodes, \ | |
| 2533 "Allow rewriting of bytecodes (bytecodes are not immutable)") \ | |
| 2534 \ | |
| 2535 product_pd(bool, RewriteFrequentPairs, \ | |
| 2536 "Rewrite frequently used bytecode pairs into a single bytecode") \ | |
| 2537 \ | |
|
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|
2538 diagnostic(bool, PrintInterpreter, false, \ |
| 0 | 2539 "Prints the generated interpreter code") \ |
| 2540 \ | |
| 2541 product(bool, UseInterpreter, true, \ | |
| 2542 "Use interpreter for non-compiled methods") \ | |
| 2543 \ | |
| 2544 develop(bool, UseFastSignatureHandlers, true, \ | |
| 2545 "Use fast signature handlers for native calls") \ | |
| 2546 \ | |
| 2547 develop(bool, UseV8InstrsOnly, false, \ | |
| 2548 "Use SPARC-V8 Compliant instruction subset") \ | |
| 2549 \ | |
| 2550 product(bool, UseNiagaraInstrs, false, \ | |
| 2551 "Use Niagara-efficient instruction subset") \ | |
| 2552 \ | |
| 2553 develop(bool, UseCASForSwap, false, \ | |
| 2554 "Do not use swap instructions, but only CAS (in a loop) on SPARC")\ | |
| 2555 \ | |
| 2556 product(bool, UseLoopCounter, true, \ | |
| 2557 "Increment invocation counter on backward branch") \ | |
| 2558 \ | |
| 2559 product(bool, UseFastEmptyMethods, true, \ | |
| 2560 "Use fast method entry code for empty methods") \ | |
| 2561 \ | |
| 2562 product(bool, UseFastAccessorMethods, true, \ | |
| 2563 "Use fast method entry code for accessor methods") \ | |
| 2564 \ | |
| 2565 product_pd(bool, UseOnStackReplacement, \ | |
| 2566 "Use on stack replacement, calls runtime if invoc. counter " \ | |
| 2567 "overflows in loop") \ | |
| 2568 \ | |
| 2569 notproduct(bool, TraceOnStackReplacement, false, \ | |
| 2570 "Trace on stack replacement") \ | |
| 2571 \ | |
| 2572 develop(bool, PoisonOSREntry, true, \ | |
| 2573 "Detect abnormal calls to OSR code") \ | |
| 2574 \ | |
| 2575 product_pd(bool, PreferInterpreterNativeStubs, \ | |
| 2576 "Use always interpreter stubs for native methods invoked via " \ | |
| 2577 "interpreter") \ | |
| 2578 \ | |
| 2579 develop(bool, CountBytecodes, false, \ | |
| 2580 "Count number of bytecodes executed") \ | |
| 2581 \ | |
| 2582 develop(bool, PrintBytecodeHistogram, false, \ | |
| 2583 "Print histogram of the executed bytecodes") \ | |
| 2584 \ | |
| 2585 develop(bool, PrintBytecodePairHistogram, false, \ | |
| 2586 "Print histogram of the executed bytecode pairs") \ | |
| 2587 \ | |
|
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|
2588 diagnostic(bool, PrintSignatureHandlers, false, \ |
| 0 | 2589 "Print code generated for native method signature handlers") \ |
| 2590 \ | |
| 2591 develop(bool, VerifyOops, false, \ | |
| 2592 "Do plausibility checks for oops") \ | |
| 2593 \ | |
| 2594 develop(bool, CheckUnhandledOops, false, \ | |
| 2595 "Check for unhandled oops in VM code") \ | |
| 2596 \ | |
| 2597 develop(bool, VerifyJNIFields, trueInDebug, \ | |
| 2598 "Verify jfieldIDs for instance fields") \ | |
| 2599 \ | |
| 2600 notproduct(bool, VerifyJNIEnvThread, false, \ | |
| 2601 "Verify JNIEnv.thread == Thread::current() when entering VM " \ | |
| 2602 "from JNI") \ | |
| 2603 \ | |
| 2604 develop(bool, VerifyFPU, false, \ | |
| 2605 "Verify FPU state (check for NaN's, etc.)") \ | |
| 2606 \ | |
| 2607 develop(bool, VerifyThread, false, \ | |
| 2608 "Watch the thread register for corruption (SPARC only)") \ | |
| 2609 \ | |
| 2610 develop(bool, VerifyActivationFrameSize, false, \ | |
| 2611 "Verify that activation frame didn't become smaller than its " \ | |
| 2612 "minimal size") \ | |
| 2613 \ | |
| 2614 develop(bool, TraceFrequencyInlining, false, \ | |
| 2615 "Trace frequency based inlining") \ | |
| 2616 \ | |
| 2617 notproduct(bool, TraceTypeProfile, false, \ | |
| 2618 "Trace type profile") \ | |
| 2619 \ | |
| 2620 develop_pd(bool, InlineIntrinsics, \ | |
| 2621 "Inline intrinsics that can be statically resolved") \ | |
| 2622 \ | |
| 2623 product_pd(bool, ProfileInterpreter, \ | |
| 2624 "Profile at the bytecode level during interpretation") \ | |
| 2625 \ | |
| 2626 develop_pd(bool, ProfileTraps, \ | |
| 2627 "Profile deoptimization traps at the bytecode level") \ | |
| 2628 \ | |
| 2629 product(intx, ProfileMaturityPercentage, 20, \ | |
| 2630 "number of method invocations/branches (expressed as % of " \ | |
| 2631 "CompileThreshold) before using the method's profile") \ | |
| 2632 \ | |
| 2633 develop(bool, PrintMethodData, false, \ | |
| 2634 "Print the results of +ProfileInterpreter at end of run") \ | |
| 2635 \ | |
| 2636 develop(bool, VerifyDataPointer, trueInDebug, \ | |
| 2637 "Verify the method data pointer during interpreter profiling") \ | |
| 2638 \ | |
| 2639 develop(bool, VerifyCompiledCode, false, \ | |
| 2640 "Include miscellaneous runtime verifications in nmethod code; " \ | |
| 1064 | 2641 "default off because it disturbs nmethod size heuristics") \ |
| 0 | 2642 \ |
| 2643 \ | |
| 2644 /* compilation */ \ | |
| 2645 product(bool, UseCompiler, true, \ | |
| 2646 "use compilation") \ | |
| 2647 \ | |
| 2648 develop(bool, TraceCompilationPolicy, false, \ | |
| 2649 "Trace compilation policy") \ | |
| 2650 \ | |
| 2651 develop(bool, TimeCompilationPolicy, false, \ | |
| 2652 "Time the compilation policy") \ | |
| 2653 \ | |
| 2654 product(bool, UseCounterDecay, true, \ | |
| 2655 "adjust recompilation counters") \ | |
| 2656 \ | |
| 2657 develop(intx, CounterHalfLifeTime, 30, \ | |
| 2658 "half-life time of invocation counters (in secs)") \ | |
| 2659 \ | |
| 2660 develop(intx, CounterDecayMinIntervalLength, 500, \ | |
| 2661 "Min. ms. between invocation of CounterDecay") \ | |
| 2662 \ | |
| 2663 product(bool, AlwaysCompileLoopMethods, false, \ | |
| 2664 "when using recompilation, never interpret methods " \ | |
| 2665 "containing loops") \ | |
| 2666 \ | |
| 2667 product(bool, DontCompileHugeMethods, true, \ | |
| 2668 "don't compile methods > HugeMethodLimit") \ | |
| 2669 \ | |
| 2670 /* Bytecode escape analysis estimation. */ \ | |
| 2671 product(bool, EstimateArgEscape, true, \ | |
| 2672 "Analyze bytecodes to estimate escape state of arguments") \ | |
| 2673 \ | |
| 2674 product(intx, BCEATraceLevel, 0, \ | |
| 2675 "How much tracing to do of bytecode escape analysis estimates") \ | |
| 2676 \ | |
| 2677 product(intx, MaxBCEAEstimateLevel, 5, \ | |
| 2678 "Maximum number of nested calls that are analyzed by BC EA.") \ | |
| 2679 \ | |
| 2680 product(intx, MaxBCEAEstimateSize, 150, \ | |
| 2681 "Maximum bytecode size of a method to be analyzed by BC EA.") \ | |
| 2682 \ | |
| 2683 product(intx, AllocatePrefetchStyle, 1, \ | |
| 2684 "0 = no prefetch, " \ | |
| 2685 "1 = prefetch instructions for each allocation, " \ | |
| 2686 "2 = use TLAB watermark to gate allocation prefetch") \ | |
| 2687 \ | |
| 2688 product(intx, AllocatePrefetchDistance, -1, \ | |
| 2689 "Distance to prefetch ahead of allocation pointer") \ | |
| 2690 \ | |
| 2691 product(intx, AllocatePrefetchLines, 1, \ | |
| 2692 "Number of lines to prefetch ahead of allocation pointer") \ | |
| 2693 \ | |
| 2694 product(intx, AllocatePrefetchStepSize, 16, \ | |
| 2695 "Step size in bytes of sequential prefetch instructions") \ | |
| 2696 \ | |
| 2697 product(intx, AllocatePrefetchInstr, 0, \ | |
| 2698 "Prefetch instruction to prefetch ahead of allocation pointer") \ | |
| 2699 \ | |
| 2700 product(intx, ReadPrefetchInstr, 0, \ | |
| 2701 "Prefetch instruction to prefetch ahead") \ | |
| 2702 \ | |
| 2703 /* deoptimization */ \ | |
| 2704 develop(bool, TraceDeoptimization, false, \ | |
| 2705 "Trace deoptimization") \ | |
| 2706 \ | |
| 2707 develop(bool, DebugDeoptimization, false, \ | |
| 2708 "Tracing various information while debugging deoptimization") \ | |
| 2709 \ | |
| 2710 product(intx, SelfDestructTimer, 0, \ | |
| 2711 "Will cause VM to terminate after a given time (in minutes) " \ | |
| 2712 "(0 means off)") \ | |
| 2713 \ | |
| 2714 product(intx, MaxJavaStackTraceDepth, 1024, \ | |
| 2715 "Max. no. of lines in the stack trace for Java exceptions " \ | |
| 2716 "(0 means all)") \ | |
| 2717 \ | |
| 2718 develop(intx, GuaranteedSafepointInterval, 1000, \ | |
| 2719 "Guarantee a safepoint (at least) every so many milliseconds " \ | |
| 2720 "(0 means none)") \ | |
| 2721 \ | |
| 2722 product(intx, SafepointTimeoutDelay, 10000, \ | |
| 2723 "Delay in milliseconds for option SafepointTimeout") \ | |
| 2724 \ | |
| 2725 product(intx, NmethodSweepFraction, 4, \ | |
| 2726 "Number of invocations of sweeper to cover all nmethods") \ | |
| 2727 \ | |
| 2728 notproduct(intx, MemProfilingInterval, 500, \ | |
| 2729 "Time between each invocation of the MemProfiler") \ | |
| 2730 \ | |
| 2731 develop(intx, MallocCatchPtr, -1, \ | |
| 2732 "Hit breakpoint when mallocing/freeing this pointer") \ | |
| 2733 \ | |
| 2734 notproduct(intx, AssertRepeat, 1, \ | |
| 2735 "number of times to evaluate expression in assert " \ | |
| 2736 "(to estimate overhead); only works with -DUSE_REPEATED_ASSERTS") \ | |
| 2737 \ | |
| 2738 notproduct(ccstrlist, SuppressErrorAt, "", \ | |
| 2739 "List of assertions (file:line) to muzzle") \ | |
| 2740 \ | |
| 2741 notproduct(uintx, HandleAllocationLimit, 1024, \ | |
| 2742 "Threshold for HandleMark allocation when +TraceHandleAllocation "\ | |
| 2743 "is used") \ | |
| 2744 \ | |
| 2745 develop(uintx, TotalHandleAllocationLimit, 1024, \ | |
| 2746 "Threshold for total handle allocation when " \ | |
| 2747 "+TraceHandleAllocation is used") \ | |
| 2748 \ | |
| 2749 develop(intx, StackPrintLimit, 100, \ | |
| 2750 "number of stack frames to print in VM-level stack dump") \ | |
| 2751 \ | |
| 2752 notproduct(intx, MaxElementPrintSize, 256, \ | |
| 2753 "maximum number of elements to print") \ | |
| 2754 \ | |
| 2755 notproduct(intx, MaxSubklassPrintSize, 4, \ | |
| 2756 "maximum number of subklasses to print when printing klass") \ | |
| 2757 \ | |
| 2758 develop(intx, MaxInlineLevel, 9, \ | |
| 2759 "maximum number of nested calls that are inlined") \ | |
| 2760 \ | |
| 2761 develop(intx, MaxRecursiveInlineLevel, 1, \ | |
| 2762 "maximum number of nested recursive calls that are inlined") \ | |
| 2763 \ | |
| 675 | 2764 product_pd(intx, InlineSmallCode, \ |
| 0 | 2765 "Only inline already compiled methods if their code size is " \ |
| 2766 "less than this") \ | |
| 2767 \ | |
| 2768 product(intx, MaxInlineSize, 35, \ | |
| 2769 "maximum bytecode size of a method to be inlined") \ | |
| 2770 \ | |
| 2771 product_pd(intx, FreqInlineSize, \ | |
| 2772 "maximum bytecode size of a frequent method to be inlined") \ | |
| 2773 \ | |
| 2774 develop(intx, MaxTrivialSize, 6, \ | |
| 2775 "maximum bytecode size of a trivial method to be inlined") \ | |
| 2776 \ | |
| 2777 develop(intx, MinInliningThreshold, 250, \ | |
| 2778 "min. invocation count a method needs to have to be inlined") \ | |
| 2779 \ | |
| 2780 develop(intx, AlignEntryCode, 4, \ | |
| 2781 "aligns entry code to specified value (in bytes)") \ | |
| 2782 \ | |
| 2783 develop(intx, MethodHistogramCutoff, 100, \ | |
| 2784 "cutoff value for method invoc. histogram (+CountCalls)") \ | |
| 2785 \ | |
| 2786 develop(intx, ProfilerNumberOfInterpretedMethods, 25, \ | |
| 2787 "# of interpreted methods to show in profile") \ | |
| 2788 \ | |
| 2789 develop(intx, ProfilerNumberOfCompiledMethods, 25, \ | |
| 2790 "# of compiled methods to show in profile") \ | |
| 2791 \ | |
| 2792 develop(intx, ProfilerNumberOfStubMethods, 25, \ | |
| 2793 "# of stub methods to show in profile") \ | |
| 2794 \ | |
| 2795 develop(intx, ProfilerNumberOfRuntimeStubNodes, 25, \ | |
| 2796 "# of runtime stub nodes to show in profile") \ | |
| 2797 \ | |
| 2798 product(intx, ProfileIntervalsTicks, 100, \ | |
| 2799 "# of ticks between printing of interval profile " \ | |
| 2800 "(+ProfileIntervals)") \ | |
| 2801 \ | |
| 2802 notproduct(intx, ScavengeALotInterval, 1, \ | |
| 2803 "Interval between which scavenge will occur with +ScavengeALot") \ | |
| 2804 \ | |
| 2805 notproduct(intx, FullGCALotInterval, 1, \ | |
| 2806 "Interval between which full gc will occur with +FullGCALot") \ | |
| 2807 \ | |
| 2808 notproduct(intx, FullGCALotStart, 0, \ | |
| 2809 "For which invocation to start FullGCAlot") \ | |
| 2810 \ | |
| 2811 notproduct(intx, FullGCALotDummies, 32*K, \ | |
| 2812 "Dummy object allocated with +FullGCALot, forcing all objects " \ | |
| 2813 "to move") \ | |
| 2814 \ | |
| 2815 develop(intx, DontYieldALotInterval, 10, \ | |
| 2816 "Interval between which yields will be dropped (milliseconds)") \ | |
| 2817 \ | |
| 2818 develop(intx, MinSleepInterval, 1, \ | |
| 2819 "Minimum sleep() interval (milliseconds) when " \ | |
| 2820 "ConvertSleepToYield is off (used for SOLARIS)") \ | |
| 2821 \ | |
| 2822 product(intx, EventLogLength, 2000, \ | |
| 2823 "maximum nof events in event log") \ | |
| 2824 \ | |
| 2825 develop(intx, ProfilerPCTickThreshold, 15, \ | |
| 2826 "Number of ticks in a PC buckets to be a hotspot") \ | |
| 2827 \ | |
| 2828 notproduct(intx, DeoptimizeALotInterval, 5, \ | |
| 2829 "Number of exits until DeoptimizeALot kicks in") \ | |
| 2830 \ | |
| 2831 notproduct(intx, ZombieALotInterval, 5, \ | |
| 2832 "Number of exits until ZombieALot kicks in") \ | |
| 2833 \ | |
| 2834 develop(bool, StressNonEntrant, false, \ | |
| 2835 "Mark nmethods non-entrant at registration") \ | |
| 2836 \ | |
| 2837 diagnostic(intx, MallocVerifyInterval, 0, \ | |
| 2838 "if non-zero, verify C heap after every N calls to " \ | |
| 2839 "malloc/realloc/free") \ | |
| 2840 \ | |
| 2841 diagnostic(intx, MallocVerifyStart, 0, \ | |
| 2842 "if non-zero, start verifying C heap after Nth call to " \ | |
| 2843 "malloc/realloc/free") \ | |
| 2844 \ | |
| 2845 product(intx, TypeProfileWidth, 2, \ | |
| 2846 "number of receiver types to record in call/cast profile") \ | |
| 2847 \ | |
| 2848 develop(intx, BciProfileWidth, 2, \ | |
| 2849 "number of return bci's to record in ret profile") \ | |
| 2850 \ | |
| 2851 product(intx, PerMethodRecompilationCutoff, 400, \ | |
| 2852 "After recompiling N times, stay in the interpreter (-1=>'Inf')") \ | |
| 2853 \ | |
| 2854 product(intx, PerBytecodeRecompilationCutoff, 100, \ | |
| 2855 "Per-BCI limit on repeated recompilation (-1=>'Inf')") \ | |
| 2856 \ | |
| 2857 product(intx, PerMethodTrapLimit, 100, \ | |
| 2858 "Limit on traps (of one kind) in a method (includes inlines)") \ | |
| 2859 \ | |
| 2860 product(intx, PerBytecodeTrapLimit, 4, \ | |
| 2861 "Limit on traps (of one kind) at a particular BCI") \ | |
| 2862 \ | |
| 2863 develop(intx, FreqCountInvocations, 1, \ | |
| 2864 "Scaling factor for branch frequencies (deprecated)") \ | |
| 2865 \ | |
| 2866 develop(intx, InlineFrequencyRatio, 20, \ | |
| 2867 "Ratio of call site execution to caller method invocation") \ | |
| 2868 \ | |
| 2869 develop_pd(intx, InlineFrequencyCount, \ | |
| 2870 "Count of call site execution necessary to trigger frequent " \ | |
| 2871 "inlining") \ | |
| 2872 \ | |
| 2873 develop(intx, InlineThrowCount, 50, \ | |
| 2874 "Force inlining of interpreted methods that throw this often") \ | |
| 2875 \ | |
| 2876 develop(intx, InlineThrowMaxSize, 200, \ | |
| 2877 "Force inlining of throwing methods smaller than this") \ | |
| 2878 \ | |
| 2879 product(intx, AliasLevel, 3, \ | |
| 2880 "0 for no aliasing, 1 for oop/field/static/array split, " \ | |
| 2881 "2 for class split, 3 for unique instances") \ | |
| 2882 \ | |
| 2883 develop(bool, VerifyAliases, false, \ | |
| 2884 "perform extra checks on the results of alias analysis") \ | |
| 2885 \ | |
| 2886 develop(intx, ProfilerNodeSize, 1024, \ | |
| 2887 "Size in K to allocate for the Profile Nodes of each thread") \ | |
| 2888 \ | |
| 2889 develop(intx, V8AtomicOperationUnderLockSpinCount, 50, \ | |
| 2890 "Number of times to spin wait on a v8 atomic operation lock") \ | |
| 2891 \ | |
| 2892 product(intx, ReadSpinIterations, 100, \ | |
| 2893 "Number of read attempts before a yield (spin inner loop)") \ | |
| 2894 \ | |
| 2895 product_pd(intx, PreInflateSpin, \ | |
| 2896 "Number of times to spin wait before inflation") \ | |
| 2897 \ | |
| 2898 product(intx, PreBlockSpin, 10, \ | |
| 2899 "Number of times to spin in an inflated lock before going to " \ | |
| 2900 "an OS lock") \ | |
| 2901 \ | |
| 2902 /* gc parameters */ \ | |
| 1064 | 2903 product(uintx, InitialHeapSize, 0, \ |
| 2904 "Initial heap size (in bytes); zero means OldSize + NewSize") \ | |
| 2905 \ | |
| 2906 product(uintx, MaxHeapSize, ScaleForWordSize(96*M), \ | |
| 2907 "Maximum heap size (in bytes)") \ | |
| 2908 \ | |
| 2909 product(uintx, OldSize, ScaleForWordSize(4*M), \ | |
| 2910 "Initial tenured generation size (in bytes)") \ | |
| 2911 \ | |
| 2912 product(uintx, NewSize, ScaleForWordSize(4*M), \ | |
| 2913 "Initial new generation size (in bytes)") \ | |
| 0 | 2914 \ |
| 2915 product(uintx, MaxNewSize, max_uintx, \ | |
| 1064 | 2916 "Maximum new generation size (in bytes), max_uintx means set " \ |
| 2917 "ergonomically") \ | |
| 0 | 2918 \ |
| 2919 product(uintx, PretenureSizeThreshold, 0, \ | |
| 1064 | 2920 "Maximum size in bytes of objects allocated in DefNew " \ |
| 2921 "generation; zero means no maximum") \ | |
| 2922 \ | |
| 2923 product(uintx, TLABSize, 0, \ | |
| 2924 "Starting TLAB size (in bytes); zero means set ergonomically") \ | |
| 0 | 2925 \ |
| 2926 product(uintx, MinTLABSize, 2*K, \ | |
| 2927 "Minimum allowed TLAB size (in bytes)") \ | |
| 2928 \ | |
| 2929 product(uintx, TLABAllocationWeight, 35, \ | |
| 2930 "Allocation averaging weight") \ | |
| 2931 \ | |
| 2932 product(uintx, TLABWasteTargetPercent, 1, \ | |
| 2933 "Percentage of Eden that can be wasted") \ | |
| 2934 \ | |
| 2935 product(uintx, TLABRefillWasteFraction, 64, \ | |
| 2936 "Max TLAB waste at a refill (internal fragmentation)") \ | |
| 2937 \ | |
| 2938 product(uintx, TLABWasteIncrement, 4, \ | |
| 2939 "Increment allowed waste at slow allocation") \ | |
| 2940 \ | |
| 1064 | 2941 product(intx, SurvivorRatio, 8, \ |
| 0 | 2942 "Ratio of eden/survivor space size") \ |
| 2943 \ | |
| 1064 | 2944 product(intx, NewRatio, 2, \ |
| 0 | 2945 "Ratio of new/old generation sizes") \ |
| 2946 \ | |
| 2947 product(uintx, MaxLiveObjectEvacuationRatio, 100, \ | |
| 2948 "Max percent of eden objects that will be live at scavenge") \ | |
| 2949 \ | |
| 2950 product_pd(uintx, NewSizeThreadIncrease, \ | |
| 2951 "Additional size added to desired new generation size per " \ | |
| 2952 "non-daemon thread (in bytes)") \ | |
| 2953 \ | |
| 2954 product_pd(uintx, PermSize, \ | |
| 1064 | 2955 "Initial size of permanent generation (in bytes)") \ |
| 0 | 2956 \ |
| 2957 product_pd(uintx, MaxPermSize, \ | |
| 2958 "Maximum size of permanent generation (in bytes)") \ | |
| 2959 \ | |
| 2960 product(uintx, MinHeapFreeRatio, 40, \ | |
| 2961 "Min percentage of heap free after GC to avoid expansion") \ | |
| 2962 \ | |
| 2963 product(uintx, MaxHeapFreeRatio, 70, \ | |
| 2964 "Max percentage of heap free after GC to avoid shrinking") \ | |
| 2965 \ | |
| 2966 product(intx, SoftRefLRUPolicyMSPerMB, 1000, \ | |
| 2967 "Number of milliseconds per MB of free space in the heap") \ | |
| 2968 \ | |
| 2969 product(uintx, MinHeapDeltaBytes, ScaleForWordSize(128*K), \ | |
| 2970 "Min change in heap space due to GC (in bytes)") \ | |
| 2971 \ | |
| 2972 product(uintx, MinPermHeapExpansion, ScaleForWordSize(256*K), \ | |
| 2973 "Min expansion of permanent heap (in bytes)") \ | |
| 2974 \ | |
| 2975 product(uintx, MaxPermHeapExpansion, ScaleForWordSize(4*M), \ | |
| 2976 "Max expansion of permanent heap without full GC (in bytes)") \ | |
| 2977 \ | |
| 2978 product(intx, QueuedAllocationWarningCount, 0, \ | |
| 2979 "Number of times an allocation that queues behind a GC " \ | |
| 2980 "will retry before printing a warning") \ | |
| 2981 \ | |
| 2982 diagnostic(uintx, VerifyGCStartAt, 0, \ | |
| 2983 "GC invoke count where +VerifyBefore/AfterGC kicks in") \ | |
| 2984 \ | |
| 2985 diagnostic(intx, VerifyGCLevel, 0, \ | |
| 2986 "Generation level at which to start +VerifyBefore/AfterGC") \ | |
| 2987 \ | |
| 2988 develop(uintx, ExitAfterGCNum, 0, \ | |
| 2989 "If non-zero, exit after this GC.") \ | |
| 2990 \ | |
| 2991 product(intx, MaxTenuringThreshold, 15, \ | |
| 2992 "Maximum value for tenuring threshold") \ | |
| 2993 \ | |
| 2994 product(intx, InitialTenuringThreshold, 7, \ | |
| 2995 "Initial value for tenuring threshold") \ | |
| 2996 \ | |
| 2997 product(intx, TargetSurvivorRatio, 50, \ | |
| 2998 "Desired percentage of survivor space used after scavenge") \ | |
| 2999 \ | |
| 438 | 3000 product(uintx, MarkSweepDeadRatio, 5, \ |
| 0 | 3001 "Percentage (0-100) of the old gen allowed as dead wood." \ |
| 3002 "Serial mark sweep treats this as both the min and max value." \ | |
| 3003 "CMS uses this value only if it falls back to mark sweep." \ | |
| 3004 "Par compact uses a variable scale based on the density of the" \ | |
| 3005 "generation and treats this as the max value when the heap is" \ | |
| 3006 "either completely full or completely empty. Par compact also" \ | |
| 3007 "has a smaller default value; see arguments.cpp.") \ | |
| 3008 \ | |
| 438 | 3009 product(uintx, PermMarkSweepDeadRatio, 20, \ |
| 0 | 3010 "Percentage (0-100) of the perm gen allowed as dead wood." \ |
| 3011 "See MarkSweepDeadRatio for collector-specific comments.") \ | |
| 3012 \ | |
| 3013 product(intx, MarkSweepAlwaysCompactCount, 4, \ | |
| 3014 "How often should we fully compact the heap (ignoring the dead " \ | |
| 3015 "space parameters)") \ | |
| 3016 \ | |
| 3017 product(intx, PrintCMSStatistics, 0, \ | |
| 3018 "Statistics for CMS") \ | |
| 3019 \ | |
| 3020 product(bool, PrintCMSInitiationStatistics, false, \ | |
| 3021 "Statistics for initiating a CMS collection") \ | |
| 3022 \ | |
| 3023 product(intx, PrintFLSStatistics, 0, \ | |
| 3024 "Statistics for CMS' FreeListSpace") \ | |
| 3025 \ | |
| 3026 product(intx, PrintFLSCensus, 0, \ | |
| 3027 "Census for CMS' FreeListSpace") \ | |
| 3028 \ | |
| 3029 develop(uintx, GCExpandToAllocateDelayMillis, 0, \ | |
| 3030 "Delay in ms between expansion and allocation") \ | |
| 3031 \ | |
| 3032 product(intx, DeferThrSuspendLoopCount, 4000, \ | |
| 3033 "(Unstable) Number of times to iterate in safepoint loop " \ | |
| 3034 " before blocking VM threads ") \ | |
| 3035 \ | |
| 3036 product(intx, DeferPollingPageLoopCount, -1, \ | |
| 3037 "(Unsafe,Unstable) Number of iterations in safepoint loop " \ | |
| 3038 "before changing safepoint polling page to RO ") \ | |
| 3039 \ | |
| 3040 product(intx, SafepointSpinBeforeYield, 2000, "(Unstable)") \ | |
| 3041 \ | |
| 3042 product(bool, UseDepthFirstScavengeOrder, true, \ | |
| 3043 "true: the scavenge order will be depth-first, " \ | |
| 3044 "false: the scavenge order will be breadth-first") \ | |
| 3045 \ | |
| 3046 product(bool, PSChunkLargeArrays, true, \ | |
| 3047 "true: process large arrays in chunks") \ | |
| 3048 \ | |
| 3049 product(uintx, GCDrainStackTargetSize, 64, \ | |
| 3050 "how many entries we'll try to leave on the stack during " \ | |
| 3051 "parallel GC") \ | |
| 3052 \ | |
| 3053 /* stack parameters */ \ | |
| 3054 product_pd(intx, StackYellowPages, \ | |
| 3055 "Number of yellow zone (recoverable overflows) pages") \ | |
| 3056 \ | |
| 3057 product_pd(intx, StackRedPages, \ | |
| 3058 "Number of red zone (unrecoverable overflows) pages") \ | |
| 3059 \ | |
| 3060 product_pd(intx, StackShadowPages, \ | |
| 3061 "Number of shadow zone (for overflow checking) pages" \ | |
| 3062 " this should exceed the depth of the VM and native call stack") \ | |
| 3063 \ | |
| 3064 product_pd(intx, ThreadStackSize, \ | |
| 3065 "Thread Stack Size (in Kbytes)") \ | |
| 3066 \ | |
| 3067 product_pd(intx, VMThreadStackSize, \ | |
| 3068 "Non-Java Thread Stack Size (in Kbytes)") \ | |
| 3069 \ | |
| 3070 product_pd(intx, CompilerThreadStackSize, \ | |
| 3071 "Compiler Thread Stack Size (in Kbytes)") \ | |
| 3072 \ | |
| 3073 develop_pd(uintx, JVMInvokeMethodSlack, \ | |
| 3074 "Stack space (bytes) required for JVM_InvokeMethod to complete") \ | |
| 3075 \ | |
| 3076 product(uintx, ThreadSafetyMargin, 50*M, \ | |
| 3077 "Thread safety margin is used on fixed-stack LinuxThreads (on " \ | |
| 3078 "Linux/x86 only) to prevent heap-stack collision. Set to 0 to " \ | |
| 3079 "disable this feature") \ | |
| 3080 \ | |
| 3081 /* code cache parameters */ \ | |
| 3082 develop(uintx, CodeCacheSegmentSize, 64, \ | |
| 3083 "Code cache segment size (in bytes) - smallest unit of " \ | |
| 3084 "allocation") \ | |
| 3085 \ | |
| 3086 develop_pd(intx, CodeEntryAlignment, \ | |
| 3087 "Code entry alignment for generated code (in bytes)") \ | |
| 3088 \ | |
| 3089 product_pd(uintx, InitialCodeCacheSize, \ | |
| 3090 "Initial code cache size (in bytes)") \ | |
| 3091 \ | |
| 3092 product_pd(uintx, ReservedCodeCacheSize, \ | |
| 3093 "Reserved code cache size (in bytes) - maximum code cache size") \ | |
| 3094 \ | |
| 3095 product(uintx, CodeCacheMinimumFreeSpace, 500*K, \ | |
| 3096 "When less than X space left, we stop compiling.") \ | |
| 3097 \ | |
| 3098 product_pd(uintx, CodeCacheExpansionSize, \ | |
| 3099 "Code cache expansion size (in bytes)") \ | |
| 3100 \ | |
| 3101 develop_pd(uintx, CodeCacheMinBlockLength, \ | |
| 3102 "Minimum number of segments in a code cache block.") \ | |
| 3103 \ | |
| 3104 notproduct(bool, ExitOnFullCodeCache, false, \ | |
| 3105 "Exit the VM if we fill the code cache.") \ | |
| 3106 \ | |
| 3107 /* interpreter debugging */ \ | |
| 3108 develop(intx, BinarySwitchThreshold, 5, \ | |
| 3109 "Minimal number of lookupswitch entries for rewriting to binary " \ | |
| 3110 "switch") \ | |
| 3111 \ | |
| 3112 develop(intx, StopInterpreterAt, 0, \ | |
| 3113 "Stops interpreter execution at specified bytecode number") \ | |
| 3114 \ | |
| 3115 develop(intx, TraceBytecodesAt, 0, \ | |
| 3116 "Traces bytecodes starting with specified bytecode number") \ | |
| 3117 \ | |
| 3118 /* compiler interface */ \ | |
| 3119 develop(intx, CIStart, 0, \ | |
| 3120 "the id of the first compilation to permit") \ | |
| 3121 \ | |
| 3122 develop(intx, CIStop, -1, \ | |
| 3123 "the id of the last compilation to permit") \ | |
| 3124 \ | |
| 3125 develop(intx, CIStartOSR, 0, \ | |
| 3126 "the id of the first osr compilation to permit " \ | |
| 3127 "(CICountOSR must be on)") \ | |
| 3128 \ | |
| 3129 develop(intx, CIStopOSR, -1, \ | |
| 3130 "the id of the last osr compilation to permit " \ | |
| 3131 "(CICountOSR must be on)") \ | |
| 3132 \ | |
| 3133 develop(intx, CIBreakAtOSR, -1, \ | |
| 3134 "id of osr compilation to break at") \ | |
| 3135 \ | |
| 3136 develop(intx, CIBreakAt, -1, \ | |
| 3137 "id of compilation to break at") \ | |
| 3138 \ | |
| 3139 product(ccstrlist, CompileOnly, "", \ | |
| 3140 "List of methods (pkg/class.name) to restrict compilation to") \ | |
| 3141 \ | |
| 3142 product(ccstr, CompileCommandFile, NULL, \ | |
| 3143 "Read compiler commands from this file [.hotspot_compiler]") \ | |
| 3144 \ | |
| 3145 product(ccstrlist, CompileCommand, "", \ | |
| 3146 "Prepend to .hotspot_compiler; e.g. log,java/lang/String.<init>") \ | |
| 3147 \ | |
| 3148 product(bool, CICompilerCountPerCPU, false, \ | |
| 3149 "1 compiler thread for log(N CPUs)") \ | |
| 3150 \ | |
| 3151 develop(intx, CIFireOOMAt, -1, \ | |
| 3152 "Fire OutOfMemoryErrors throughout CI for testing the compiler " \ | |
| 3153 "(non-negative value throws OOM after this many CI accesses " \ | |
| 3154 "in each compile)") \ | |
| 3155 \ | |
| 3156 develop(intx, CIFireOOMAtDelay, -1, \ | |
| 3157 "Wait for this many CI accesses to occur in all compiles before " \ | |
| 3158 "beginning to throw OutOfMemoryErrors in each compile") \ | |
| 3159 \ | |
|
909
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diff
changeset
|
3160 notproduct(bool, CIObjectFactoryVerify, false, \ |
|
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6866585: debug code in ciObjectFactory too slow for large objects
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905
diff
changeset
|
3161 "enable potentially expensive verification in ciObjectFactory") \ |
|
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diff
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|
3162 \ |
| 0 | 3163 /* Priorities */ \ |
| 3164 product_pd(bool, UseThreadPriorities, "Use native thread priorities") \ | |
| 3165 \ | |
| 3166 product(intx, ThreadPriorityPolicy, 0, \ | |
| 3167 "0 : Normal. "\ | |
| 3168 " VM chooses priorities that are appropriate for normal "\ | |
| 3169 " applications. On Solaris NORM_PRIORITY and above are mapped "\ | |
| 3170 " to normal native priority. Java priorities below NORM_PRIORITY"\ | |
| 3171 " map to lower native priority values. On Windows applications"\ | |
| 3172 " are allowed to use higher native priorities. However, with "\ | |
| 3173 " ThreadPriorityPolicy=0, VM will not use the highest possible"\ | |
| 3174 " native priority, THREAD_PRIORITY_TIME_CRITICAL, as it may "\ | |
| 3175 " interfere with system threads. On Linux thread priorities "\ | |
| 3176 " are ignored because the OS does not support static priority "\ | |
| 3177 " in SCHED_OTHER scheduling class which is the only choice for"\ | |
| 3178 " non-root, non-realtime applications. "\ | |
| 3179 "1 : Aggressive. "\ | |
| 3180 " Java thread priorities map over to the entire range of "\ | |
| 3181 " native thread priorities. Higher Java thread priorities map "\ | |
| 3182 " to higher native thread priorities. This policy should be "\ | |
| 3183 " used with care, as sometimes it can cause performance "\ | |
| 3184 " degradation in the application and/or the entire system. On "\ | |
| 3185 " Linux this policy requires root privilege.") \ | |
| 3186 \ | |
| 3187 product(bool, ThreadPriorityVerbose, false, \ | |
| 3188 "print priority changes") \ | |
| 3189 \ | |
| 3190 product(intx, DefaultThreadPriority, -1, \ | |
| 3191 "what native priority threads run at if not specified elsewhere (-1 means no change)") \ | |
| 3192 \ | |
| 3193 product(intx, CompilerThreadPriority, -1, \ | |
| 3194 "what priority should compiler threads run at (-1 means no change)") \ | |
| 3195 \ | |
| 3196 product(intx, VMThreadPriority, -1, \ | |
| 3197 "what priority should VM threads run at (-1 means no change)") \ | |
| 3198 \ | |
| 3199 product(bool, CompilerThreadHintNoPreempt, true, \ | |
| 3200 "(Solaris only) Give compiler threads an extra quanta") \ | |
| 3201 \ | |
| 3202 product(bool, VMThreadHintNoPreempt, false, \ | |
| 3203 "(Solaris only) Give VM thread an extra quanta") \ | |
| 3204 \ | |
| 3205 product(intx, JavaPriority1_To_OSPriority, -1, "Map Java priorities to OS priorities") \ | |
| 3206 product(intx, JavaPriority2_To_OSPriority, -1, "Map Java priorities to OS priorities") \ | |
| 3207 product(intx, JavaPriority3_To_OSPriority, -1, "Map Java priorities to OS priorities") \ | |
| 3208 product(intx, JavaPriority4_To_OSPriority, -1, "Map Java priorities to OS priorities") \ | |
| 3209 product(intx, JavaPriority5_To_OSPriority, -1, "Map Java priorities to OS priorities") \ | |
| 3210 product(intx, JavaPriority6_To_OSPriority, -1, "Map Java priorities to OS priorities") \ | |
| 3211 product(intx, JavaPriority7_To_OSPriority, -1, "Map Java priorities to OS priorities") \ | |
| 3212 product(intx, JavaPriority8_To_OSPriority, -1, "Map Java priorities to OS priorities") \ | |
| 3213 product(intx, JavaPriority9_To_OSPriority, -1, "Map Java priorities to OS priorities") \ | |
| 3214 product(intx, JavaPriority10_To_OSPriority,-1, "Map Java priorities to OS priorities") \ | |
| 3215 \ | |
| 3216 /* compiler debugging */ \ | |
| 3217 notproduct(intx, CompileTheWorldStartAt, 1, \ | |
| 3218 "First class to consider when using +CompileTheWorld") \ | |
| 3219 \ | |
| 3220 notproduct(intx, CompileTheWorldStopAt, max_jint, \ | |
| 3221 "Last class to consider when using +CompileTheWorld") \ | |
| 3222 \ | |
| 3223 develop(intx, NewCodeParameter, 0, \ | |
| 3224 "Testing Only: Create a dedicated integer parameter before " \ | |
| 3225 "putback") \ | |
| 3226 \ | |
| 3227 /* new oopmap storage allocation */ \ | |
| 3228 develop(intx, MinOopMapAllocation, 8, \ | |
| 3229 "Minimum number of OopMap entries in an OopMapSet") \ | |
| 3230 \ | |
| 3231 /* Background Compilation */ \ | |
| 3232 develop(intx, LongCompileThreshold, 50, \ | |
| 3233 "Used with +TraceLongCompiles") \ | |
| 3234 \ | |
| 3235 product(intx, StarvationMonitorInterval, 200, \ | |
| 3236 "Pause between each check in ms") \ | |
| 3237 \ | |
| 3238 /* recompilation */ \ | |
| 3239 product_pd(intx, CompileThreshold, \ | |
| 3240 "number of interpreted method invocations before (re-)compiling") \ | |
| 3241 \ | |
| 3242 product_pd(intx, BackEdgeThreshold, \ | |
| 3243 "Interpreter Back edge threshold at which an OSR compilation is invoked")\ | |
| 3244 \ | |
| 3245 product(intx, Tier1BytecodeLimit, 10, \ | |
| 3246 "Must have at least this many bytecodes before tier1" \ | |
| 3247 "invocation counters are used") \ | |
| 3248 \ | |
| 3249 product_pd(intx, Tier2CompileThreshold, \ | |
| 3250 "threshold at which a tier 2 compilation is invoked") \ | |
| 3251 \ | |
| 3252 product_pd(intx, Tier2BackEdgeThreshold, \ | |
| 3253 "Back edge threshold at which a tier 2 compilation is invoked") \ | |
| 3254 \ | |
| 3255 product_pd(intx, Tier3CompileThreshold, \ | |
| 3256 "threshold at which a tier 3 compilation is invoked") \ | |
| 3257 \ | |
| 3258 product_pd(intx, Tier3BackEdgeThreshold, \ | |
| 3259 "Back edge threshold at which a tier 3 compilation is invoked") \ | |
| 3260 \ | |
| 3261 product_pd(intx, Tier4CompileThreshold, \ | |
| 3262 "threshold at which a tier 4 compilation is invoked") \ | |
| 3263 \ | |
| 3264 product_pd(intx, Tier4BackEdgeThreshold, \ | |
| 3265 "Back edge threshold at which a tier 4 compilation is invoked") \ | |
| 3266 \ | |
| 3267 product_pd(bool, TieredCompilation, \ | |
| 3268 "Enable two-tier compilation") \ | |
| 3269 \ | |
| 3270 product(bool, StressTieredRuntime, false, \ | |
| 3271 "Alternate client and server compiler on compile requests") \ | |
| 3272 \ | |
| 3273 product_pd(intx, OnStackReplacePercentage, \ | |
| 3274 "NON_TIERED number of method invocations/branches (expressed as %"\ | |
| 3275 "of CompileThreshold) before (re-)compiling OSR code") \ | |
| 3276 \ | |
| 3277 product(intx, InterpreterProfilePercentage, 33, \ | |
| 3278 "NON_TIERED number of method invocations/branches (expressed as %"\ | |
| 3279 "of CompileThreshold) before profiling in the interpreter") \ | |
| 3280 \ | |
| 3281 develop(intx, MaxRecompilationSearchLength, 10, \ | |
| 3282 "max. # frames to inspect searching for recompilee") \ | |
| 3283 \ | |
| 3284 develop(intx, MaxInterpretedSearchLength, 3, \ | |
| 3285 "max. # interp. frames to skip when searching for recompilee") \ | |
| 3286 \ | |
| 3287 develop(intx, DesiredMethodLimit, 8000, \ | |
| 3288 "desired max. method size (in bytecodes) after inlining") \ | |
| 3289 \ | |
| 3290 develop(intx, HugeMethodLimit, 8000, \ | |
| 3291 "don't compile methods larger than this if " \ | |
| 3292 "+DontCompileHugeMethods") \ | |
| 3293 \ | |
| 3294 /* New JDK 1.4 reflection implementation */ \ | |
| 3295 \ | |
| 3296 develop(bool, UseNewReflection, true, \ | |
| 3297 "Temporary flag for transition to reflection based on dynamic " \ | |
| 3298 "bytecode generation in 1.4; can no longer be turned off in 1.4 " \ | |
| 3299 "JDK, and is unneeded in 1.3 JDK, but marks most places VM " \ | |
| 3300 "changes were needed") \ | |
| 3301 \ | |
| 3302 develop(bool, VerifyReflectionBytecodes, false, \ | |
| 3303 "Force verification of 1.4 reflection bytecodes. Does not work " \ | |
| 3304 "in situations like that described in 4486457 or for " \ | |
| 3305 "constructors generated for serialization, so can not be enabled "\ | |
| 3306 "in product.") \ | |
| 3307 \ | |
| 3308 product(bool, ReflectionWrapResolutionErrors, true, \ | |
| 3309 "Temporary flag for transition to AbstractMethodError wrapped " \ | |
| 3310 "in InvocationTargetException. See 6531596") \ | |
| 3311 \ | |
| 3312 \ | |
| 3313 develop(intx, FastSuperclassLimit, 8, \ | |
| 3314 "Depth of hardwired instanceof accelerator array") \ | |
| 3315 \ | |
| 3316 /* Properties for Java libraries */ \ | |
| 3317 \ | |
| 3318 product(intx, MaxDirectMemorySize, -1, \ | |
| 3319 "Maximum total size of NIO direct-buffer allocations") \ | |
| 3320 \ | |
| 3321 /* temporary developer defined flags */ \ | |
| 3322 \ | |
| 3323 diagnostic(bool, UseNewCode, false, \ | |
| 3324 "Testing Only: Use the new version while testing") \ | |
| 3325 \ | |
| 3326 diagnostic(bool, UseNewCode2, false, \ | |
| 3327 "Testing Only: Use the new version while testing") \ | |
| 3328 \ | |
| 3329 diagnostic(bool, UseNewCode3, false, \ | |
| 3330 "Testing Only: Use the new version while testing") \ | |
| 3331 \ | |
| 3332 /* flags for performance data collection */ \ | |
| 3333 \ | |
| 3334 product(bool, UsePerfData, true, \ | |
| 3335 "Flag to disable jvmstat instrumentation for performance testing" \ | |
| 3336 "and problem isolation purposes.") \ | |
| 3337 \ | |
| 3338 product(bool, PerfDataSaveToFile, false, \ | |
| 3339 "Save PerfData memory to hsperfdata_<pid> file on exit") \ | |
| 3340 \ | |
| 3341 product(ccstr, PerfDataSaveFile, NULL, \ | |
| 3342 "Save PerfData memory to the specified absolute pathname," \ | |
| 3343 "%p in the file name if present will be replaced by pid") \ | |
| 3344 \ | |
| 3345 product(intx, PerfDataSamplingInterval, 50 /*ms*/, \ | |
| 3346 "Data sampling interval in milliseconds") \ | |
| 3347 \ | |
| 3348 develop(bool, PerfTraceDataCreation, false, \ | |
| 3349 "Trace creation of Performance Data Entries") \ | |
| 3350 \ | |
| 3351 develop(bool, PerfTraceMemOps, false, \ | |
| 3352 "Trace PerfMemory create/attach/detach calls") \ | |
| 3353 \ | |
| 3354 product(bool, PerfDisableSharedMem, false, \ | |
| 3355 "Store performance data in standard memory") \ | |
| 3356 \ | |
| 3357 product(intx, PerfDataMemorySize, 32*K, \ | |
| 3358 "Size of performance data memory region. Will be rounded " \ | |
| 3359 "up to a multiple of the native os page size.") \ | |
| 3360 \ | |
| 3361 product(intx, PerfMaxStringConstLength, 1024, \ | |
| 3362 "Maximum PerfStringConstant string length before truncation") \ | |
| 3363 \ | |
| 3364 product(bool, PerfAllowAtExitRegistration, false, \ | |
| 3365 "Allow registration of atexit() methods") \ | |
| 3366 \ | |
| 3367 product(bool, PerfBypassFileSystemCheck, false, \ | |
| 3368 "Bypass Win32 file system criteria checks (Windows Only)") \ | |
| 3369 \ | |
| 3370 product(intx, UnguardOnExecutionViolation, 0, \ | |
| 3371 "Unguard page and retry on no-execute fault (Win32 only)" \ | |
| 3372 "0=off, 1=conservative, 2=aggressive") \ | |
| 3373 \ | |
| 3374 /* Serviceability Support */ \ | |
| 3375 \ | |
| 3376 product(bool, ManagementServer, false, \ | |
| 3377 "Create JMX Management Server") \ | |
| 3378 \ | |
| 3379 product(bool, DisableAttachMechanism, false, \ | |
| 3380 "Disable mechanism that allows tools to attach to this VM") \ | |
| 3381 \ | |
| 3382 product(bool, StartAttachListener, false, \ | |
| 3383 "Always start Attach Listener at VM startup") \ | |
| 3384 \ | |
| 3385 manageable(bool, PrintConcurrentLocks, false, \ | |
| 3386 "Print java.util.concurrent locks in thread dump") \ | |
| 3387 \ | |
| 3388 /* Shared spaces */ \ | |
| 3389 \ | |
| 3390 product(bool, UseSharedSpaces, true, \ | |
| 3391 "Use shared spaces in the permanent generation") \ | |
| 3392 \ | |
| 3393 product(bool, RequireSharedSpaces, false, \ | |
| 3394 "Require shared spaces in the permanent generation") \ | |
| 3395 \ | |
| 3396 product(bool, ForceSharedSpaces, false, \ | |
| 3397 "Require shared spaces in the permanent generation") \ | |
| 3398 \ | |
| 3399 product(bool, DumpSharedSpaces, false, \ | |
| 3400 "Special mode: JVM reads a class list, loads classes, builds " \ | |
| 3401 "shared spaces, and dumps the shared spaces to a file to be " \ | |
| 3402 "used in future JVM runs.") \ | |
| 3403 \ | |
| 3404 product(bool, PrintSharedSpaces, false, \ | |
| 3405 "Print usage of shared spaces") \ | |
| 3406 \ | |
| 3407 product(uintx, SharedDummyBlockSize, 512*M, \ | |
| 3408 "Size of dummy block used to shift heap addresses (in bytes)") \ | |
| 3409 \ | |
| 3410 product(uintx, SharedReadWriteSize, 12*M, \ | |
| 3411 "Size of read-write space in permanent generation (in bytes)") \ | |
| 3412 \ | |
|
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3413 product(uintx, SharedReadOnlySize, 10*M, \ |
| 0 | 3414 "Size of read-only space in permanent generation (in bytes)") \ |
| 3415 \ | |
| 3416 product(uintx, SharedMiscDataSize, 4*M, \ | |
| 3417 "Size of the shared data area adjacent to the heap (in bytes)") \ | |
| 3418 \ | |
| 3419 product(uintx, SharedMiscCodeSize, 4*M, \ | |
| 3420 "Size of the shared code area adjacent to the heap (in bytes)") \ | |
| 3421 \ | |
| 3422 diagnostic(bool, SharedOptimizeColdStart, true, \ | |
| 3423 "At dump time, order shared objects to achieve better " \ | |
| 3424 "cold startup time.") \ | |
| 3425 \ | |
| 3426 develop(intx, SharedOptimizeColdStartPolicy, 2, \ | |
| 3427 "Reordering policy for SharedOptimizeColdStart " \ | |
| 3428 "0=favor classload-time locality, 1=balanced, " \ | |
| 3429 "2=favor runtime locality") \ | |
| 3430 \ | |
| 3431 diagnostic(bool, SharedSkipVerify, false, \ | |
| 3432 "Skip assert() and verify() which page-in unwanted shared " \ | |
| 3433 "objects. ") \ | |
| 3434 \ | |
|
431
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|
3435 product(bool, AnonymousClasses, false, \ |
|
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|
3436 "support sun.misc.Unsafe.defineAnonymousClass") \ |
|
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|
3437 \ |
|
905
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|
3438 experimental(bool, EnableMethodHandles, false, \ |
| 710 | 3439 "support method handles (true by default under JSR 292)") \ |
| 3440 \ | |
| 3441 diagnostic(intx, MethodHandlePushLimit, 3, \ | |
| 3442 "number of additional stack slots a method handle may push") \ | |
| 3443 \ | |
| 3444 develop(bool, TraceMethodHandles, false, \ | |
| 3445 "trace internal method handle operations") \ | |
| 3446 \ | |
| 3447 diagnostic(bool, VerifyMethodHandles, trueInDebug, \ | |
| 3448 "perform extra checks when constructing method handles") \ | |
| 3449 \ | |
| 3450 diagnostic(bool, OptimizeMethodHandles, true, \ | |
| 3451 "when constructing method handles, try to improve them") \ | |
| 3452 \ | |
|
905
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|
3453 experimental(bool, EnableInvokeDynamic, false, \ |
|
726
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diff
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|
3454 "recognize the invokedynamic instruction") \ |
|
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diff
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|
3455 \ |
|
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|
3456 develop(bool, TraceInvokeDynamic, false, \ |
|
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diff
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|
3457 "trace internal invoke dynamic operations") \ |
|
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|
3458 \ |
| 0 | 3459 product(bool, TaggedStackInterpreter, false, \ |
| 3460 "Insert tags in interpreter execution stack for oopmap generaion")\ | |
| 3461 \ | |
| 3462 diagnostic(bool, PauseAtStartup, false, \ | |
| 3463 "Causes the VM to pause at startup time and wait for the pause " \ | |
| 3464 "file to be removed (default: ./vm.paused.<pid>)") \ | |
| 3465 \ | |
| 3466 diagnostic(ccstr, PauseAtStartupFile, NULL, \ | |
| 3467 "The file to create and for whose removal to await when pausing " \ | |
| 3468 "at startup. (default: ./vm.paused.<pid>)") \ | |
| 3469 \ | |
| 3470 product(bool, ExtendedDTraceProbes, false, \ | |
| 3471 "Enable performance-impacting dtrace probes") \ | |
| 3472 \ | |
| 3473 product(bool, DTraceMethodProbes, false, \ | |
| 3474 "Enable dtrace probes for method-entry and method-exit") \ | |
| 3475 \ | |
| 3476 product(bool, DTraceAllocProbes, false, \ | |
| 3477 "Enable dtrace probes for object allocation") \ | |
| 3478 \ | |
| 3479 product(bool, DTraceMonitorProbes, false, \ | |
| 3480 "Enable dtrace probes for monitor events") \ | |
| 3481 \ | |
| 3482 product(bool, RelaxAccessControlCheck, false, \ | |
| 3483 "Relax the access control checks in the verifier") \ | |
| 3484 \ | |
|
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|
3485 diagnostic(bool, PrintDTraceDOF, false, \ |
|
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|
3486 "Print the DTrace DOF passed to the system for JSDT probes") \ |
|
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|
3487 \ |
|
449
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diff
changeset
|
3488 product(bool, UseVMInterruptibleIO, false, \ |
| 0 | 3489 "(Unstable, Solaris-specific) Thread interrupt before or with " \ |
|
449
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|
3490 "EINTR for I/O operations results in OS_INTRPT. The default value"\ |
|
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diff
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|
3491 " of this flag is true for JDK 6 and earliers") |
| 0 | 3492 |
| 3493 | |
| 3494 /* | |
| 3495 * Macros for factoring of globals | |
| 3496 */ | |
| 3497 | |
| 3498 // Interface macros | |
| 3499 #define DECLARE_PRODUCT_FLAG(type, name, value, doc) extern "C" type name; | |
| 3500 #define DECLARE_PD_PRODUCT_FLAG(type, name, doc) extern "C" type name; | |
| 3501 #define DECLARE_DIAGNOSTIC_FLAG(type, name, value, doc) extern "C" type name; | |
|
350
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|
3502 #define DECLARE_EXPERIMENTAL_FLAG(type, name, value, doc) extern "C" type name; |
| 0 | 3503 #define DECLARE_MANAGEABLE_FLAG(type, name, value, doc) extern "C" type name; |
| 3504 #define DECLARE_PRODUCT_RW_FLAG(type, name, value, doc) extern "C" type name; | |
| 3505 #ifdef PRODUCT | |
| 3506 #define DECLARE_DEVELOPER_FLAG(type, name, value, doc) const type name = value; | |
| 3507 #define DECLARE_PD_DEVELOPER_FLAG(type, name, doc) const type name = pd_##name; | |
| 3508 #define DECLARE_NOTPRODUCT_FLAG(type, name, value, doc) | |
| 3509 #else | |
| 3510 #define DECLARE_DEVELOPER_FLAG(type, name, value, doc) extern "C" type name; | |
| 3511 #define DECLARE_PD_DEVELOPER_FLAG(type, name, doc) extern "C" type name; | |
| 3512 #define DECLARE_NOTPRODUCT_FLAG(type, name, value, doc) extern "C" type name; | |
| 3513 #endif | |
|
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|
3514 // Special LP64 flags, product only needed for now. |
|
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|
3515 #ifdef _LP64 |
|
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3516 #define DECLARE_LP64_PRODUCT_FLAG(type, name, value, doc) extern "C" type name; |
|
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3517 #else |
|
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3518 #define DECLARE_LP64_PRODUCT_FLAG(type, name, value, doc) const type name = value; |
|
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|
3519 #endif // _LP64 |
| 0 | 3520 |
| 3521 // Implementation macros | |
| 3522 #define MATERIALIZE_PRODUCT_FLAG(type, name, value, doc) type name = value; | |
| 3523 #define MATERIALIZE_PD_PRODUCT_FLAG(type, name, doc) type name = pd_##name; | |
| 3524 #define MATERIALIZE_DIAGNOSTIC_FLAG(type, name, value, doc) type name = value; | |
|
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|
3525 #define MATERIALIZE_EXPERIMENTAL_FLAG(type, name, value, doc) type name = value; |
| 0 | 3526 #define MATERIALIZE_MANAGEABLE_FLAG(type, name, value, doc) type name = value; |
| 3527 #define MATERIALIZE_PRODUCT_RW_FLAG(type, name, value, doc) type name = value; | |
| 3528 #ifdef PRODUCT | |
| 3529 #define MATERIALIZE_DEVELOPER_FLAG(type, name, value, doc) /* flag name is constant */ | |
| 3530 #define MATERIALIZE_PD_DEVELOPER_FLAG(type, name, doc) /* flag name is constant */ | |
| 3531 #define MATERIALIZE_NOTPRODUCT_FLAG(type, name, value, doc) | |
| 3532 #else | |
| 3533 #define MATERIALIZE_DEVELOPER_FLAG(type, name, value, doc) type name = value; | |
| 3534 #define MATERIALIZE_PD_DEVELOPER_FLAG(type, name, doc) type name = pd_##name; | |
| 3535 #define MATERIALIZE_NOTPRODUCT_FLAG(type, name, value, doc) type name = value; | |
| 3536 #endif | |
|
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3537 #ifdef _LP64 |
|
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3538 #define MATERIALIZE_LP64_PRODUCT_FLAG(type, name, value, doc) type name = value; |
|
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|
3539 #else |
|
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|
3540 #define MATERIALIZE_LP64_PRODUCT_FLAG(type, name, value, doc) /* flag is constant */ |
|
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|
3541 #endif // _LP64 |
| 0 | 3542 |
|
350
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changeset
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3543 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 | 3544 |
| 3545 RUNTIME_OS_FLAGS(DECLARE_DEVELOPER_FLAG, DECLARE_PD_DEVELOPER_FLAG, DECLARE_PRODUCT_FLAG, DECLARE_PD_PRODUCT_FLAG, DECLARE_DIAGNOSTIC_FLAG, DECLARE_NOTPRODUCT_FLAG) |