252 range(0, 4) \
253 \
254 product(intx, Tier0ProfilingStartPercentage, 200, \
255 "Start profiling in interpreter if the counters exceed the " \
256 "specified percentage of tier 3 thresholds") \
257 range(0, max_jint) \
258 \
259 product(uintx, IncreaseFirstTierCompileThresholdAt, 50, \
260 "Increase the compile threshold for C1 compilation if the code " \
261 "cache is filled by the specified percentage") \
262 range(0, 99) \
263 \
264 product(intx, TieredRateUpdateMinTime, 1, \
265 "Minimum rate sampling interval (in milliseconds)") \
266 range(0, max_intx) \
267 \
268 product(intx, TieredRateUpdateMaxTime, 25, \
269 "Maximum rate sampling interval (in milliseconds)") \
270 range(0, max_intx) \
271 \
272 product(ccstr, CompilationMode, "default", \
273 "Compilation modes: " \
274 "default: normal tiered compilation; " \
275 "quick-only: C1-only mode; " \
276 "high-only: C2/JVMCI-only mode; " \
277 "high-only-quick-internal: C2/JVMCI-only mode, " \
278 "with JVMCI compiler compiled with C1.") \
279 \
280 product(bool, PrintTieredEvents, false, \
281 "Print tiered events notifications") \
282 \
283 product_pd(intx, OnStackReplacePercentage, \
284 "NON_TIERED number of method invocations/branches (expressed as " \
285 "% of CompileThreshold) before (re-)compiling OSR code") \
286 constraint(OnStackReplacePercentageConstraintFunc, AfterErgo) \
287 \
288 product(intx, InterpreterProfilePercentage, 33, \
289 "NON_TIERED number of method invocations/branches (expressed as " \
290 "% of CompileThreshold) before profiling in the interpreter") \
291 range(0, 100) \
365 product(bool, AbortVMOnCompilationFailure, false, DIAGNOSTIC, \
366 "Abort VM when method had failed to compile.") \
367 \
368 develop(intx, OSROnlyBCI, -1, \
369 "OSR only at this bci. Negative values mean exclude that bci") \
370 \
371 develop(intx, DesiredMethodLimit, 8000, \
372 "The desired maximum method size (in bytecodes) after inlining") \
373 \
374 product(bool, DontCompileHugeMethods, true, \
375 "Do not compile methods > HugeMethodLimit") \
376 \
377 develop(intx, HugeMethodLimit, 8000, \
378 "Don't compile methods larger than this if " \
379 "+DontCompileHugeMethods") \
380 \
381 product(bool, CaptureBailoutInformation, trueInDebug, DIAGNOSTIC, \
382 "If compilation is stopped with an error, capture diagnostic " \
383 "information at the bailout point") \
384 \
385
386 // end of COMPILER_FLAGS
387
388 DECLARE_FLAGS(COMPILER_FLAGS)
389
390 #endif // SHARE_COMPILER_COMPILER_GLOBALS_HPP
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252 range(0, 4) \
253 \
254 product(intx, Tier0ProfilingStartPercentage, 200, \
255 "Start profiling in interpreter if the counters exceed the " \
256 "specified percentage of tier 3 thresholds") \
257 range(0, max_jint) \
258 \
259 product(uintx, IncreaseFirstTierCompileThresholdAt, 50, \
260 "Increase the compile threshold for C1 compilation if the code " \
261 "cache is filled by the specified percentage") \
262 range(0, 99) \
263 \
264 product(intx, TieredRateUpdateMinTime, 1, \
265 "Minimum rate sampling interval (in milliseconds)") \
266 range(0, max_intx) \
267 \
268 product(intx, TieredRateUpdateMaxTime, 25, \
269 "Maximum rate sampling interval (in milliseconds)") \
270 range(0, max_intx) \
271 \
272 product(double, Tier0ProfileDelayFactor, 100.0, DIAGNOSTIC, \
273 "Delay profiling/compiling of methods that were " \
274 "observed to be lukewarm") \
275 \
276 product(double, Tier2ProfileDelayFactor, 250.0, DIAGNOSTIC, \
277 "Delay profiling of methods that were observed to be lukewarm") \
278 \
279 product(bool, SkipTier2IfPossible, false, DIAGNOSTIC, \
280 "Compile at tier 4 instead of tier 2 in training replay " \
281 "mode if posssible") \
282 \
283 product(ccstr, CompilationMode, "default", \
284 "Compilation modes: " \
285 "default: normal tiered compilation; " \
286 "quick-only: C1-only mode; " \
287 "high-only: C2/JVMCI-only mode; " \
288 "high-only-quick-internal: C2/JVMCI-only mode, " \
289 "with JVMCI compiler compiled with C1.") \
290 \
291 product(bool, PrintTieredEvents, false, \
292 "Print tiered events notifications") \
293 \
294 product_pd(intx, OnStackReplacePercentage, \
295 "NON_TIERED number of method invocations/branches (expressed as " \
296 "% of CompileThreshold) before (re-)compiling OSR code") \
297 constraint(OnStackReplacePercentageConstraintFunc, AfterErgo) \
298 \
299 product(intx, InterpreterProfilePercentage, 33, \
300 "NON_TIERED number of method invocations/branches (expressed as " \
301 "% of CompileThreshold) before profiling in the interpreter") \
302 range(0, 100) \
376 product(bool, AbortVMOnCompilationFailure, false, DIAGNOSTIC, \
377 "Abort VM when method had failed to compile.") \
378 \
379 develop(intx, OSROnlyBCI, -1, \
380 "OSR only at this bci. Negative values mean exclude that bci") \
381 \
382 develop(intx, DesiredMethodLimit, 8000, \
383 "The desired maximum method size (in bytecodes) after inlining") \
384 \
385 product(bool, DontCompileHugeMethods, true, \
386 "Do not compile methods > HugeMethodLimit") \
387 \
388 develop(intx, HugeMethodLimit, 8000, \
389 "Don't compile methods larger than this if " \
390 "+DontCompileHugeMethods") \
391 \
392 product(bool, CaptureBailoutInformation, trueInDebug, DIAGNOSTIC, \
393 "If compilation is stopped with an error, capture diagnostic " \
394 "information at the bailout point") \
395 \
396 /* flags to control training and deployment modes */ \
397 \
398 product(bool, RecordTraining, false, \
399 "Request output of training data for improved deployment.") \
400 \
401 product(bool, ReplayTraining, false, \
402 "Read training data, if available, for use in this execution") \
403 \
404 product(bool, PrintTrainingInfo, false, DIAGNOSTIC, \
405 "Print additional information about training") \
406 \
407 product(ccstr, TrainingFile, nullptr, \
408 "If training record or replay is enabled, store or load VM data " \
409 "to or from this file [default: ./hs_training_%p.log] " \
410 "(_%p replaced with _pidNNN on output, empty string on input)") \
411 \
412 product(bool, RecordOptCompilationOrder, false, \
413 "Record c2/jvmci nmethod temperature to guide compilation order.")\
414 \
415 product(bool, RecordOnlyTopCompilations, false, \
416 "Record only top compilations (non-zero counts)") \
417 \
418 product(int, RecordOptCompilationOrderInterval, 10, \
419 "Sampling interval for RecordOptCompilationOrder") \
420 \
421 /* Code Caching flags */ \
422 \
423 product(bool, UseC2asC3, false, \
424 "Use C2 as 3rd compiler when other high-optimizing compiler " \
425 "is used") \
426 \
427 product(bool, StoreCachedCode, false, \
428 "Store cached compiled code") \
429 \
430 product(bool, LoadCachedCode, false, \
431 "Load cached compiled code") \
432 \
433 product(uint, DisableCachedCode, 0, \
434 "Disable cached code on some compilation levels " \
435 "(T1=1; T2=2; T4=4; T5/preload=8") \
436 \
437 product(uint, ClassInitBarrierMode, 0, \
438 "Produce and use startup code which could be called " \
439 "on first method invocation, add class initialization barriers, " \
440 "other checks and constrains if needed " \
441 "(0: no barriers; 1: uncommon trap; 2: full barrier)") \
442 \
443 product(bool, StressClassInitBarriers, false, DIAGNOSTIC, \
444 "Force slow path in class initialization barriers") \
445 \
446 product(bool, UseMetadataPointers, true, \
447 "Store Metadata pointers in Relocation Info for cached code") \
448 \
449 product(bool, UseCodeLoadThread, true, \
450 "Use separate thread for cached code load") \
451 \
452 product(uint, SCLoadStart, 0, \
453 "The id of the first cached code to load") \
454 \
455 product(uint, SCLoadStop, max_jint, \
456 "The id of the last cached code to load") \
457 \
458 product(ccstr, CachedCodeFile, "code.jsa", \
459 "File with cached compiled code") \
460 \
461 product(uint, CachedCodeMaxSize, 10*M, \
462 "Buffer size in bytes for code caching") \
463 \
464 product(bool, VerifyCachedCode, false, DIAGNOSTIC, \
465 "Load compiled code but not publish") \
466 \
467 /* Recompilation flags */ \
468 \
469 product(int, RecompilationLoadAverageThreshold, 5, \
470 "Queues load avergage after while recompilations are allowed") \
471 \
472 product(int, RecompilationWorkUnitSize, 5, \
473 "Queues load avergage after while recompilations are allowed") \
474 \
475 product(bool, UseRecompilation, false, \
476 "Recompile methods for peak performance") \
477 \
478 product(bool, ForceRecompilation, false, \
479 "Testing mode for recompilation") \
480 \
481 product(double, DelayRecompilation, 0.0, \
482 "Delay recompilation for given number of seconds") \
483 \
484 product(bool, UseConcurrentTrainingReplay, true, \
485 "Replay training after class initialization in a separate thread")\
486 \
487 product(bool, UseGlobalCompileQueueLock, false, \
488 "Use a global lock for all compilation queues") \
489 \
490 product(bool, UseLockFreeCompileQueues, true, \
491 "Use lock free compile queues") \
492 \
493 product(bool, PrecompileCode, false, \
494 "Precompile code") \
495 \
496 product(bool, PrecompileOnlyAndExit, false, \
497 "Exit after precompilation step is over") \
498
499 // end of COMPILER_FLAGS
500
501 DECLARE_FLAGS(COMPILER_FLAGS)
502
503 #endif // SHARE_COMPILER_COMPILER_GLOBALS_HPP
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