6887571: Increase default heap config sizes
Apply modification of existing server heap size ergo to all collectors except CMS. Reviewed-by: jmasa, ysr, xlu
This commit is contained in:
Paul Hohensee
parent
bfa076da18
commit
2f7d60fa36
@ -22,10 +22,9 @@
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*
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*/
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//
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// Sets the default values for platform dependent flags used by the client compiler.
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// (see c1_globals.hpp)
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//
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#ifndef TIERED
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define_pd_global(bool, BackgroundCompilation, true );
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define_pd_global(bool, CICompileOSR, true );
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@ -48,27 +47,24 @@ define_pd_global(intx, OnStackReplacePercentage, 1400 );
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define_pd_global(bool, UseTLAB, true );
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define_pd_global(bool, ProfileInterpreter, false);
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define_pd_global(intx, FreqInlineSize, 325 );
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define_pd_global(intx, NewRatio, 8 ); // Design center runs on 1.3.1
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define_pd_global(bool, ResizeTLAB, true );
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define_pd_global(intx, ReservedCodeCacheSize, 32*M );
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define_pd_global(intx, CodeCacheExpansionSize, 32*K );
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define_pd_global(uintx,CodeCacheMinBlockLength, 1);
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define_pd_global(uintx, PermSize, 12*M );
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define_pd_global(uintx, MaxPermSize, 64*M );
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define_pd_global(bool, NeverActAsServerClassMachine, true);
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define_pd_global(uintx,PermSize, 12*M );
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define_pd_global(uintx,MaxPermSize, 64*M );
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define_pd_global(bool, NeverActAsServerClassMachine, true );
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define_pd_global(intx, NewSizeThreadIncrease, 16*K );
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define_pd_global(uintx, DefaultMaxRAM, 1*G);
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define_pd_global(uint64_t,MaxRAM, 1ULL*G);
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define_pd_global(intx, InitialCodeCacheSize, 160*K);
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#endif // TIERED
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#endif // !TIERED
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define_pd_global(bool, UseTypeProfile, false);
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define_pd_global(bool, RoundFPResults, false);
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define_pd_global(bool, LIRFillDelaySlots, true);
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define_pd_global(bool, LIRFillDelaySlots, true );
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define_pd_global(bool, OptimizeSinglePrecision, false);
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define_pd_global(bool, CSEArrayLength, true);
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define_pd_global(bool, CSEArrayLength, true );
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define_pd_global(bool, TwoOperandLIRForm, false);
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define_pd_global(intx, SafepointPollOffset, 0);
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define_pd_global(intx, SafepointPollOffset, 0 );
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@ -59,7 +59,6 @@ define_pd_global(intx, FLOATPRESSURE, 52); // C2 on V9 gets to u
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define_pd_global(intx, FreqInlineSize, 175);
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define_pd_global(intx, INTPRESSURE, 48); // large register set
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define_pd_global(intx, InteriorEntryAlignment, 16); // = CodeEntryAlignment
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define_pd_global(intx, NewRatio, 2);
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define_pd_global(intx, NewSizeThreadIncrease, ScaleForWordSize(4*K));
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// The default setting 16/16 seems to work best.
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// (For _228_jack 16/16 is 2% better than 4/4, 16/4, 32/32, 32/16, or 16/32.)
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@ -83,25 +82,25 @@ define_pd_global(bool, OptoScheduling, true);
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// sequence of instructions to load a 64 bit pointer.
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//
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// InitialCodeCacheSize derived from specjbb2000 run.
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define_pd_global(intx, InitialCodeCacheSize, 2048*K); // Integral multiple of CodeCacheExpansionSize
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define_pd_global(intx, ReservedCodeCacheSize, 48*M);
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define_pd_global(intx, CodeCacheExpansionSize, 64*K);
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define_pd_global(intx, InitialCodeCacheSize, 2048*K); // Integral multiple of CodeCacheExpansionSize
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define_pd_global(intx, ReservedCodeCacheSize, 48*M);
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define_pd_global(intx, CodeCacheExpansionSize, 64*K);
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// Ergonomics related flags
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define_pd_global(uintx, DefaultMaxRAM, 32*G);
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define_pd_global(uint64_t,MaxRAM, 128ULL*G);
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#else
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// InitialCodeCacheSize derived from specjbb2000 run.
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define_pd_global(intx, InitialCodeCacheSize, 1536*K); // Integral multiple of CodeCacheExpansionSize
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define_pd_global(intx, ReservedCodeCacheSize, 32*M);
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define_pd_global(intx, CodeCacheExpansionSize, 32*K);
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define_pd_global(intx, InitialCodeCacheSize, 1536*K); // Integral multiple of CodeCacheExpansionSize
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define_pd_global(intx, ReservedCodeCacheSize, 32*M);
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define_pd_global(intx, CodeCacheExpansionSize, 32*K);
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// Ergonomics related flags
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define_pd_global(uintx, DefaultMaxRAM, 1*G);
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define_pd_global(uint64_t,MaxRAM, 4ULL*G);
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#endif
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define_pd_global(uintx,CodeCacheMinBlockLength, 4);
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define_pd_global(uintx,CodeCacheMinBlockLength, 4);
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// Heap related flags
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define_pd_global(uintx, PermSize, ScaleForWordSize(16*M));
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define_pd_global(uintx, MaxPermSize, ScaleForWordSize(64*M));
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define_pd_global(uintx,PermSize, ScaleForWordSize(16*M));
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define_pd_global(uintx,MaxPermSize, ScaleForWordSize(64*M));
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// Ergonomics related flags
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define_pd_global(bool, NeverActAsServerClassMachine, false);
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@ -22,10 +22,8 @@
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*
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*/
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//
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// Sets the default values for platform dependent flags used by the runtime system.
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// (see globals.hpp)
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//
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// For sparc we do not do call backs when a thread is in the interpreter, because the
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// interpreter dispatch needs at least two instructions - first to load the dispatch address
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@ -41,26 +39,23 @@ define_pd_global(bool, NeedsDeoptSuspend, true); // register window ma
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define_pd_global(bool, ImplicitNullChecks, true); // Generate code for implicit null checks
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define_pd_global(bool, UncommonNullCast, true); // Uncommon-trap NULLs past to check cast
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define_pd_global(intx, CodeEntryAlignment, 32);
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define_pd_global(uintx, TLABSize, 0);
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define_pd_global(uintx, NewSize, ScaleForWordSize((2048 * K) + (2 * (64 * K))));
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define_pd_global(intx, SurvivorRatio, 8);
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define_pd_global(intx, InlineFrequencyCount, 50); // we can use more inlining on the SPARC
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define_pd_global(intx, InlineSmallCode, 1500);
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define_pd_global(intx, CodeEntryAlignment, 32);
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define_pd_global(intx, InlineFrequencyCount, 50); // we can use more inlining on the SPARC
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define_pd_global(intx, InlineSmallCode, 1500);
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#ifdef _LP64
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// Stack slots are 2X larger in LP64 than in the 32 bit VM.
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define_pd_global(intx, ThreadStackSize, 1024);
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define_pd_global(intx, VMThreadStackSize, 1024);
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define_pd_global(intx, ThreadStackSize, 1024);
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define_pd_global(intx, VMThreadStackSize, 1024);
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#else
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define_pd_global(intx, ThreadStackSize, 512);
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define_pd_global(intx, VMThreadStackSize, 512);
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define_pd_global(intx, ThreadStackSize, 512);
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define_pd_global(intx, VMThreadStackSize, 512);
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#endif
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define_pd_global(intx, StackYellowPages, 2);
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define_pd_global(intx, StackRedPages, 1);
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define_pd_global(intx, StackShadowPages, 3 DEBUG_ONLY(+1));
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define_pd_global(intx, PreInflateSpin, 40); // Determined by running design center
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define_pd_global(intx, PreInflateSpin, 40); // Determined by running design center
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define_pd_global(bool, RewriteBytecodes, true);
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define_pd_global(bool, RewriteFrequentPairs, true);
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@ -22,10 +22,8 @@
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*
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*/
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//
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// Sets the default values for platform dependent flags used by the client compiler.
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// (see c1_globals.hpp)
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//
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#ifndef TIERED
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define_pd_global(bool, BackgroundCompilation, true );
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@ -48,27 +46,24 @@ define_pd_global(intx, Tier4BackEdgeThreshold, 100000);
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define_pd_global(intx, OnStackReplacePercentage, 933 );
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define_pd_global(intx, FreqInlineSize, 325 );
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define_pd_global(intx, NewRatio, 12 );
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define_pd_global(intx, NewSizeThreadIncrease, 4*K );
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define_pd_global(intx, InitialCodeCacheSize, 160*K);
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define_pd_global(intx, ReservedCodeCacheSize, 32*M );
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define_pd_global(bool, ProfileInterpreter, false);
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define_pd_global(intx, CodeCacheExpansionSize, 32*K );
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define_pd_global(uintx,CodeCacheMinBlockLength, 1);
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define_pd_global(uintx, PermSize, 12*M );
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define_pd_global(uintx, MaxPermSize, 64*M );
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define_pd_global(bool, NeverActAsServerClassMachine, true);
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define_pd_global(uintx, DefaultMaxRAM, 1*G);
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define_pd_global(uintx,PermSize, 12*M );
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define_pd_global(uintx,MaxPermSize, 64*M );
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define_pd_global(bool, NeverActAsServerClassMachine, true );
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define_pd_global(uint64_t,MaxRAM, 1ULL*G);
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define_pd_global(bool, CICompileOSR, true );
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#endif // TIERED
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#endif // !TIERED
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define_pd_global(bool, UseTypeProfile, false);
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define_pd_global(bool, RoundFPResults, true );
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define_pd_global(bool, LIRFillDelaySlots, false);
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define_pd_global(bool, OptimizeSinglePrecision, true);
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define_pd_global(bool, OptimizeSinglePrecision, true );
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define_pd_global(bool, CSEArrayLength, false);
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define_pd_global(bool, TwoOperandLIRForm, true);
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define_pd_global(bool, TwoOperandLIRForm, true );
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define_pd_global(intx, SafepointPollOffset, 256);
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define_pd_global(intx, SafepointPollOffset, 256 );
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@ -22,7 +22,6 @@
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*
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*/
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//
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// Sets the default values for platform dependent flags used by the server compiler.
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// (see c2_globals.hpp). Alpha-sorted.
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@ -46,8 +45,8 @@ define_pd_global(intx, CompileThreshold, 1000);
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define_pd_global(intx, CompileThreshold, 10000);
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#endif // TIERED
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define_pd_global(intx, Tier2CompileThreshold, 10000);
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define_pd_global(intx, Tier3CompileThreshold, 20000 );
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define_pd_global(intx, Tier4CompileThreshold, 40000 );
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define_pd_global(intx, Tier3CompileThreshold, 20000);
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define_pd_global(intx, Tier4CompileThreshold, 40000);
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define_pd_global(intx, BackEdgeThreshold, 100000);
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define_pd_global(intx, Tier2BackEdgeThreshold, 100000);
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@ -61,7 +60,6 @@ define_pd_global(intx, FreqInlineSize, 325);
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#ifdef AMD64
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define_pd_global(intx, INTPRESSURE, 13);
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define_pd_global(intx, InteriorEntryAlignment, 16);
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define_pd_global(intx, NewRatio, 2);
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define_pd_global(intx, NewSizeThreadIncrease, ScaleForWordSize(4*K));
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define_pd_global(intx, LoopUnrollLimit, 60);
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// InitialCodeCacheSize derived from specjbb2000 run.
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@ -69,19 +67,18 @@ define_pd_global(intx, InitialCodeCacheSize, 2496*K); // Integral multip
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define_pd_global(intx, CodeCacheExpansionSize, 64*K);
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// Ergonomics related flags
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define_pd_global(uintx, DefaultMaxRAM, 32*G);
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define_pd_global(uint64_t,MaxRAM, 128ULL*G);
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#else
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define_pd_global(intx, INTPRESSURE, 6);
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define_pd_global(intx, InteriorEntryAlignment, 4);
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define_pd_global(intx, NewRatio, 8); // Design center runs on 1.3.1
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define_pd_global(intx, NewSizeThreadIncrease, 4*K);
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define_pd_global(intx, LoopUnrollLimit, 50); // Design center runs on 1.3.1
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define_pd_global(intx, LoopUnrollLimit, 50); // Design center runs on 1.3.1
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// InitialCodeCacheSize derived from specjbb2000 run.
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define_pd_global(intx, InitialCodeCacheSize, 2304*K); // Integral multiple of CodeCacheExpansionSize
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define_pd_global(intx, CodeCacheExpansionSize, 32*K);
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// Ergonomics related flags
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define_pd_global(uintx, DefaultMaxRAM, 1*G);
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define_pd_global(uint64_t,MaxRAM, 4ULL*G);
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#endif // AMD64
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define_pd_global(intx, OptoLoopAlignment, 16);
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define_pd_global(intx, RegisterCostAreaRatio, 16000);
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@ -97,8 +94,8 @@ define_pd_global(intx, ReservedCodeCacheSize, 48*M);
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define_pd_global(uintx,CodeCacheMinBlockLength, 4);
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// Heap related flags
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define_pd_global(uintx, PermSize, ScaleForWordSize(16*M));
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define_pd_global(uintx, MaxPermSize, ScaleForWordSize(64*M));
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define_pd_global(uintx,PermSize, ScaleForWordSize(16*M));
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define_pd_global(uintx,MaxPermSize, ScaleForWordSize(64*M));
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// Ergonomics related flags
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define_pd_global(bool, NeverActAsServerClassMachine, false);
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@ -22,17 +22,16 @@
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*
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*/
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//
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// Sets the default values for platform dependent flags used by the runtime system.
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// (see globals.hpp)
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//
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define_pd_global(bool, ConvertSleepToYield, true);
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define_pd_global(bool, ShareVtableStubs, true);
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define_pd_global(bool, CountInterpCalls, true);
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define_pd_global(bool, ConvertSleepToYield, true);
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define_pd_global(bool, ShareVtableStubs, true);
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define_pd_global(bool, CountInterpCalls, true);
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define_pd_global(bool, NeedsDeoptSuspend, false); // only register window machines need this
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define_pd_global(bool, ImplicitNullChecks, true); // Generate code for implicit null checks
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define_pd_global(bool, UncommonNullCast, true); // Uncommon-trap NULLs past to check cast
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define_pd_global(bool, ImplicitNullChecks, true); // Generate code for implicit null checks
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define_pd_global(bool, UncommonNullCast, true); // Uncommon-trap NULLs past to check cast
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// See 4827828 for this change. There is no globals_core_i486.hpp. I can't
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// assign a different value for C2 without touching a number of files. Use
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@ -42,29 +41,24 @@ define_pd_global(bool, UncommonNullCast, true); // Uncommon-trap NUL
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// the uep and the vep doesn't get real alignment but just slops on by
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// only assured that the entry instruction meets the 5 byte size requirement.
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#ifdef COMPILER2
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define_pd_global(intx, CodeEntryAlignment, 32);
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define_pd_global(intx, CodeEntryAlignment, 32);
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#else
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define_pd_global(intx, CodeEntryAlignment, 16);
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define_pd_global(intx, CodeEntryAlignment, 16);
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#endif // COMPILER2
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define_pd_global(intx, InlineFrequencyCount, 100);
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define_pd_global(intx, InlineSmallCode, 1000);
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define_pd_global(bool, NeedsDeoptSuspend, false); // only register window machines need this
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define_pd_global(uintx, TLABSize, 0);
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define_pd_global(intx, StackYellowPages, 2);
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define_pd_global(intx, StackRedPages, 1);
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#ifdef AMD64
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define_pd_global(uintx, NewSize, ScaleForWordSize(2048 * K));
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// Very large C++ stack frames using solaris-amd64 optimized builds
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// due to lack of optimization caused by C++ compiler bugs
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define_pd_global(intx, StackShadowPages, SOLARIS_ONLY(20) NOT_SOLARIS(6) DEBUG_ONLY(+2));
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#else
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define_pd_global(uintx, NewSize, 1024 * K);
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define_pd_global(intx, StackShadowPages, 3 DEBUG_ONLY(+1));
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#endif // AMD64
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define_pd_global(intx, InlineFrequencyCount, 100);
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define_pd_global(intx, InlineSmallCode, 1000);
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define_pd_global(intx, PreInflateSpin, 10);
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define_pd_global(intx, StackYellowPages, 2);
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define_pd_global(intx, StackRedPages, 1);
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define_pd_global(intx, PreInflateSpin, 10);
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define_pd_global(bool, RewriteBytecodes, true);
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define_pd_global(bool, RewriteFrequentPairs, true);
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@ -23,10 +23,8 @@
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*
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*/
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//
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// Set the default values for platform dependent flags used by the
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// runtime system. See globals.hpp for details of what they do.
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//
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define_pd_global(bool, ConvertSleepToYield, true);
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define_pd_global(bool, ShareVtableStubs, true);
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@ -37,12 +35,6 @@ define_pd_global(bool, ImplicitNullChecks, true);
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define_pd_global(bool, UncommonNullCast, true);
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define_pd_global(intx, CodeEntryAlignment, 32);
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define_pd_global(uintx, TLABSize, 0);
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#ifdef _LP64
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define_pd_global(uintx, NewSize, ScaleForWordSize(2048 * K));
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#else
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define_pd_global(uintx, NewSize, ScaleForWordSize(1024 * K));
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#endif // _LP64
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define_pd_global(intx, InlineFrequencyCount, 100);
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define_pd_global(intx, InlineSmallCode, 1000);
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define_pd_global(intx, PreInflateSpin, 10);
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@ -22,10 +22,9 @@
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*
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*/
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//
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// Sets the default values for platform dependent flags used by the runtime system.
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// (see globals.hpp)
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//
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define_pd_global(bool, DontYieldALot, false);
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#ifdef AMD64
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define_pd_global(intx, ThreadStackSize, 1024); // 0 => use system default
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@ -39,11 +38,10 @@ define_pd_global(intx, VMThreadStackSize, 512);
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#endif // AMD64
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define_pd_global(intx, CompilerThreadStackSize, 0);
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define_pd_global(intx, SurvivorRatio, 8);
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define_pd_global(uintx, JVMInvokeMethodSlack, 8192);
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define_pd_global(uintx,JVMInvokeMethodSlack, 8192);
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// Only used on 64 bit platforms
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define_pd_global(uintx, HeapBaseMinAddress, 2*G);
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define_pd_global(uintx,HeapBaseMinAddress, 2*G);
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// Only used on 64 bit Windows platforms
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define_pd_global(bool, UseVectoredExceptions, false);
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@ -22,31 +22,25 @@
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*
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*/
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//
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// Sets the default values for platform dependent flags used by the runtime system.
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// (see globals.hpp)
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//
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define_pd_global(bool, DontYieldALot, true); // Determined in the design center
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#ifdef AMD64
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define_pd_global(intx, ThreadStackSize, 1024); // 0 => use system default
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define_pd_global(intx, VMThreadStackSize, 1024);
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define_pd_global(intx, SurvivorRatio, 6);
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define_pd_global(uintx, JVMInvokeMethodSlack, 8*K);
|
||||
define_pd_global(uintx,JVMInvokeMethodSlack, 8*K);
|
||||
#else
|
||||
// UseStackBanging is not pd
|
||||
// define_pd_global(bool, UseStackBanging, true);
|
||||
|
||||
// ThreadStackSize 320 allows TaggedStackInterpreter and a couple of test cases
|
||||
// to run while keeping the number of threads that can be created high.
|
||||
define_pd_global(intx, ThreadStackSize, 320);
|
||||
define_pd_global(intx, VMThreadStackSize, 512);
|
||||
define_pd_global(intx, SurvivorRatio, 8);
|
||||
define_pd_global(uintx, JVMInvokeMethodSlack, 10*K);
|
||||
define_pd_global(uintx,JVMInvokeMethodSlack, 10*K);
|
||||
#endif // AMD64
|
||||
|
||||
define_pd_global(intx, CompilerThreadStackSize, 0);
|
||||
|
||||
// Only used on 64 bit platforms
|
||||
define_pd_global(uintx, HeapBaseMinAddress, 256*M);
|
||||
define_pd_global(uintx,HeapBaseMinAddress, 256*M);
|
||||
// Only used on 64 bit Windows platforms
|
||||
define_pd_global(bool, UseVectoredExceptions, false);
|
||||
|
||||
@ -22,10 +22,9 @@
|
||||
*
|
||||
*/
|
||||
|
||||
//
|
||||
// Sets the default values for platform dependent flags used by the runtime system.
|
||||
// (see globals.hpp)
|
||||
//
|
||||
|
||||
define_pd_global(bool, DontYieldALot, false);
|
||||
|
||||
// Default stack size on Windows is determined by the executable (java.exe
|
||||
@ -35,8 +34,6 @@ define_pd_global(bool, DontYieldALot, false);
|
||||
define_pd_global(intx, ThreadStackSize, 0); // 0 => use system default
|
||||
define_pd_global(intx, VMThreadStackSize, 0); // 0 => use system default
|
||||
|
||||
define_pd_global(intx, SurvivorRatio, 8);
|
||||
|
||||
#ifdef ASSERT
|
||||
define_pd_global(intx, CompilerThreadStackSize, 1024);
|
||||
#else
|
||||
|
||||
@ -51,7 +51,7 @@ PSGCAdaptivePolicyCounters::PSGCAdaptivePolicyCounters(const char* name_arg,
|
||||
|
||||
cname = PerfDataManager::counter_name(name_space(), "oldCapacity");
|
||||
_old_capacity = PerfDataManager::create_variable(SUN_GC, cname,
|
||||
PerfData::U_Bytes, (jlong) Arguments::initial_heap_size(), CHECK);
|
||||
PerfData::U_Bytes, (jlong) InitialHeapSize, CHECK);
|
||||
|
||||
cname = PerfDataManager::counter_name(name_space(), "boundaryMoved");
|
||||
_boundary_moved = PerfDataManager::create_variable(SUN_GC, cname,
|
||||
|
||||
@ -55,7 +55,7 @@ void CollectorPolicy::initialize_flags() {
|
||||
|
||||
void CollectorPolicy::initialize_size_info() {
|
||||
// User inputs from -mx and ms are aligned
|
||||
set_initial_heap_byte_size(Arguments::initial_heap_size());
|
||||
set_initial_heap_byte_size(InitialHeapSize);
|
||||
if (initial_heap_byte_size() == 0) {
|
||||
set_initial_heap_byte_size(NewSize + OldSize);
|
||||
}
|
||||
|
||||
@ -37,7 +37,6 @@ SystemProperty* Arguments::_system_properties = NULL;
|
||||
const char* Arguments::_gc_log_filename = NULL;
|
||||
bool Arguments::_has_profile = false;
|
||||
bool Arguments::_has_alloc_profile = false;
|
||||
uintx Arguments::_initial_heap_size = 0;
|
||||
uintx Arguments::_min_heap_size = 0;
|
||||
Arguments::Mode Arguments::_mode = _mixed;
|
||||
bool Arguments::_java_compiler = false;
|
||||
@ -182,6 +181,9 @@ static ObsoleteFlag obsolete_jvm_flags[] = {
|
||||
{ "ProcessingToTenuringRatio", JDK_Version::jdk(5), JDK_Version::jdk(7) },
|
||||
{ "MinTrainLength", JDK_Version::jdk(5), JDK_Version::jdk(7) },
|
||||
{ "AppendRatio", JDK_Version::jdk_update(6,10), JDK_Version::jdk(7) },
|
||||
{ "DefaultMaxRAM", JDK_Version::jdk_update(6,18), JDK_Version::jdk(7) },
|
||||
{ "DefaultInitialRAMFraction",
|
||||
JDK_Version::jdk_update(6,18), JDK_Version::jdk(7) },
|
||||
{ NULL, JDK_Version(0), JDK_Version(0) }
|
||||
};
|
||||
|
||||
@ -555,6 +557,10 @@ static bool set_numeric_flag(char* name, char* value, FlagValueOrigin origin) {
|
||||
if (!is_neg && CommandLineFlags::uintxAtPut(name, &uintx_v, origin)) {
|
||||
return true;
|
||||
}
|
||||
uint64_t uint64_t_v = (uint64_t) v;
|
||||
if (!is_neg && CommandLineFlags::uint64_tAtPut(name, &uint64_t_v, origin)) {
|
||||
return true;
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
@ -947,7 +953,7 @@ static void no_shared_spaces() {
|
||||
// UseParNewGC and not explicitly set ParallelGCThreads we
|
||||
// set it, unless this is a single cpu machine.
|
||||
void Arguments::set_parnew_gc_flags() {
|
||||
assert(!UseSerialGC && !UseParallelGC && !UseG1GC,
|
||||
assert(!UseSerialGC && !UseParallelOldGC && !UseParallelGC && !UseG1GC,
|
||||
"control point invariant");
|
||||
assert(UseParNewGC, "Error");
|
||||
|
||||
@ -960,13 +966,13 @@ void Arguments::set_parnew_gc_flags() {
|
||||
if (ParallelGCThreads == 0) {
|
||||
FLAG_SET_DEFAULT(ParallelGCThreads,
|
||||
Abstract_VM_Version::parallel_worker_threads());
|
||||
if (FLAG_IS_DEFAULT(ParallelGCThreads) && ParallelGCThreads == 1) {
|
||||
if (ParallelGCThreads == 1) {
|
||||
FLAG_SET_DEFAULT(UseParNewGC, false);
|
||||
FLAG_SET_DEFAULT(ParallelGCThreads, 0);
|
||||
}
|
||||
}
|
||||
if (!UseParNewGC) {
|
||||
FLAG_SET_DEFAULT(ParallelGCThreads, 0);
|
||||
} else {
|
||||
if (UseParNewGC) {
|
||||
// CDS doesn't work with ParNew yet
|
||||
no_shared_spaces();
|
||||
|
||||
// By default YoungPLABSize and OldPLABSize are set to 4096 and 1024 respectively,
|
||||
@ -980,7 +986,7 @@ void Arguments::set_parnew_gc_flags() {
|
||||
FLAG_SET_DEFAULT(OldPLABSize, (intx)1024);
|
||||
}
|
||||
|
||||
// AlwaysTenure flag should make ParNew to promote all at first collection.
|
||||
// AlwaysTenure flag should make ParNew promote all at first collection.
|
||||
// See CR 6362902.
|
||||
if (AlwaysTenure) {
|
||||
FLAG_SET_CMDLINE(intx, MaxTenuringThreshold, 0);
|
||||
@ -1003,7 +1009,7 @@ void Arguments::set_parnew_gc_flags() {
|
||||
// further optimization and tuning efforts, and would almost
|
||||
// certainly gain from analysis of platform and environment.
|
||||
void Arguments::set_cms_and_parnew_gc_flags() {
|
||||
assert(!UseSerialGC && !UseParallelGC, "Error");
|
||||
assert(!UseSerialGC && !UseParallelOldGC && !UseParallelGC, "Error");
|
||||
assert(UseConcMarkSweepGC, "CMS is expected to be on here");
|
||||
|
||||
// If we are using CMS, we prefer to UseParNewGC,
|
||||
@ -1068,7 +1074,7 @@ void Arguments::set_cms_and_parnew_gc_flags() {
|
||||
} else {
|
||||
FLAG_SET_ERGO(uintx, MaxNewSize, preferred_max_new_size);
|
||||
}
|
||||
if(PrintGCDetails && Verbose) {
|
||||
if (PrintGCDetails && Verbose) {
|
||||
// Too early to use gclog_or_tty
|
||||
tty->print_cr("Ergo set MaxNewSize: " SIZE_FORMAT, MaxNewSize);
|
||||
}
|
||||
@ -1097,15 +1103,15 @@ void Arguments::set_cms_and_parnew_gc_flags() {
|
||||
} else {
|
||||
min_new = NewSize;
|
||||
}
|
||||
size_t prev_initial_size = initial_heap_size();
|
||||
if (prev_initial_size != 0 && prev_initial_size < min_new+OldSize) {
|
||||
set_initial_heap_size(min_new+OldSize);
|
||||
size_t prev_initial_size = InitialHeapSize;
|
||||
if (prev_initial_size != 0 && prev_initial_size < min_new + OldSize) {
|
||||
FLAG_SET_ERGO(uintx, InitialHeapSize, min_new + OldSize);
|
||||
// Currently minimum size and the initial heap sizes are the same.
|
||||
set_min_heap_size(initial_heap_size());
|
||||
set_min_heap_size(InitialHeapSize);
|
||||
if (PrintGCDetails && Verbose) {
|
||||
warning("Initial heap size increased to " SIZE_FORMAT " M from "
|
||||
SIZE_FORMAT " M; use -XX:NewSize=... for finer control.",
|
||||
initial_heap_size()/M, prev_initial_size/M);
|
||||
InitialHeapSize/M, prev_initial_size/M);
|
||||
}
|
||||
}
|
||||
|
||||
@ -1114,12 +1120,12 @@ void Arguments::set_cms_and_parnew_gc_flags() {
|
||||
align_size_down(MaxHeapSize,
|
||||
CardTableRS::ct_max_alignment_constraint());
|
||||
|
||||
if(PrintGCDetails && Verbose) {
|
||||
if (PrintGCDetails && Verbose) {
|
||||
// Too early to use gclog_or_tty
|
||||
tty->print_cr("CMS set min_heap_size: " SIZE_FORMAT
|
||||
" initial_heap_size: " SIZE_FORMAT
|
||||
" max_heap: " SIZE_FORMAT,
|
||||
min_heap_size(), initial_heap_size(), max_heap);
|
||||
min_heap_size(), InitialHeapSize, max_heap);
|
||||
}
|
||||
if (max_heap > min_new) {
|
||||
// Unless explicitly requested otherwise, make young gen
|
||||
@ -1127,7 +1133,7 @@ void Arguments::set_cms_and_parnew_gc_flags() {
|
||||
if (FLAG_IS_DEFAULT(NewSize)) {
|
||||
FLAG_SET_ERGO(uintx, NewSize, MAX2(NewSize, min_new));
|
||||
FLAG_SET_ERGO(uintx, NewSize, MIN2(preferred_max_new_size, NewSize));
|
||||
if(PrintGCDetails && Verbose) {
|
||||
if (PrintGCDetails && Verbose) {
|
||||
// Too early to use gclog_or_tty
|
||||
tty->print_cr("Ergo set NewSize: " SIZE_FORMAT, NewSize);
|
||||
}
|
||||
@ -1137,8 +1143,8 @@ void Arguments::set_cms_and_parnew_gc_flags() {
|
||||
// later NewRatio will decide how it grows; see above.
|
||||
if (FLAG_IS_DEFAULT(OldSize)) {
|
||||
if (max_heap > NewSize) {
|
||||
FLAG_SET_ERGO(uintx, OldSize, MIN2(3*NewSize, max_heap - NewSize));
|
||||
if(PrintGCDetails && Verbose) {
|
||||
FLAG_SET_ERGO(uintx, OldSize, MIN2(3*NewSize, max_heap - NewSize));
|
||||
if (PrintGCDetails && Verbose) {
|
||||
// Too early to use gclog_or_tty
|
||||
tty->print_cr("Ergo set OldSize: " SIZE_FORMAT, OldSize);
|
||||
}
|
||||
@ -1186,7 +1192,7 @@ void Arguments::set_cms_and_parnew_gc_flags() {
|
||||
|
||||
inline uintx max_heap_for_compressed_oops() {
|
||||
LP64_ONLY(return oopDesc::OopEncodingHeapMax - MaxPermSize - os::vm_page_size());
|
||||
NOT_LP64(return DefaultMaxRAM);
|
||||
NOT_LP64(ShouldNotReachHere(); return 0);
|
||||
}
|
||||
|
||||
bool Arguments::should_auto_select_low_pause_collector() {
|
||||
@ -1205,7 +1211,7 @@ bool Arguments::should_auto_select_low_pause_collector() {
|
||||
|
||||
void Arguments::set_ergonomics_flags() {
|
||||
// Parallel GC is not compatible with sharing. If one specifies
|
||||
// that they want sharing explicitly, do not set ergonmics flags.
|
||||
// that they want sharing explicitly, do not set ergonomics flags.
|
||||
if (DumpSharedSpaces || ForceSharedSpaces) {
|
||||
return;
|
||||
}
|
||||
@ -1271,8 +1277,6 @@ void Arguments::set_parallel_gc_flags() {
|
||||
FLAG_SET_ERGO(uintx, ParallelGCThreads,
|
||||
Abstract_VM_Version::parallel_worker_threads());
|
||||
|
||||
// PS is a server collector, setup the heap sizes accordingly.
|
||||
set_server_heap_size();
|
||||
// If InitialSurvivorRatio or MinSurvivorRatio were not specified, but the
|
||||
// SurvivorRatio has been set, reset their default values to SurvivorRatio +
|
||||
// 2. By doing this we make SurvivorRatio also work for Parallel Scavenger.
|
||||
@ -1302,8 +1306,6 @@ void Arguments::set_parallel_gc_flags() {
|
||||
|
||||
void Arguments::set_g1_gc_flags() {
|
||||
assert(UseG1GC, "Error");
|
||||
// G1 is a server collector, setup the heap sizes accordingly.
|
||||
set_server_heap_size();
|
||||
#ifdef COMPILER1
|
||||
FastTLABRefill = false;
|
||||
#endif
|
||||
@ -1321,50 +1323,77 @@ void Arguments::set_g1_gc_flags() {
|
||||
}
|
||||
}
|
||||
|
||||
void Arguments::set_server_heap_size() {
|
||||
void Arguments::set_heap_size() {
|
||||
if (!FLAG_IS_DEFAULT(DefaultMaxRAMFraction)) {
|
||||
// Deprecated flag
|
||||
FLAG_SET_CMDLINE(uintx, MaxRAMFraction, DefaultMaxRAMFraction);
|
||||
}
|
||||
|
||||
const julong phys_mem =
|
||||
FLAG_IS_DEFAULT(MaxRAM) ? MIN2(os::physical_memory(), (julong)MaxRAM)
|
||||
: (julong)MaxRAM;
|
||||
|
||||
// If the maximum heap size has not been set with -Xmx,
|
||||
// then set it as fraction of the size of physical memory,
|
||||
// respecting the maximum and minimum sizes of the heap.
|
||||
if (FLAG_IS_DEFAULT(MaxHeapSize)) {
|
||||
const uint64_t reasonable_fraction =
|
||||
os::physical_memory() / DefaultMaxRAMFraction;
|
||||
const uint64_t maximum_size = (uint64_t)
|
||||
(FLAG_IS_DEFAULT(DefaultMaxRAM) && UseCompressedOops ?
|
||||
MIN2(max_heap_for_compressed_oops(), DefaultMaxRAM) :
|
||||
DefaultMaxRAM);
|
||||
size_t reasonable_max =
|
||||
(size_t) os::allocatable_physical_memory(reasonable_fraction);
|
||||
if (reasonable_max > maximum_size) {
|
||||
reasonable_max = maximum_size;
|
||||
julong reasonable_max = phys_mem / MaxRAMFraction;
|
||||
|
||||
if (phys_mem <= MaxHeapSize * MinRAMFraction) {
|
||||
// Small physical memory, so use a minimum fraction of it for the heap
|
||||
reasonable_max = phys_mem / MinRAMFraction;
|
||||
} else {
|
||||
// Not-small physical memory, so require a heap at least
|
||||
// as large as MaxHeapSize
|
||||
reasonable_max = MAX2(reasonable_max, (julong)MaxHeapSize);
|
||||
}
|
||||
if (!FLAG_IS_DEFAULT(ErgoHeapSizeLimit) && ErgoHeapSizeLimit != 0) {
|
||||
// Limit the heap size to ErgoHeapSizeLimit
|
||||
reasonable_max = MIN2(reasonable_max, (julong)ErgoHeapSizeLimit);
|
||||
}
|
||||
if (UseCompressedOops) {
|
||||
// Limit the heap size to the maximum possible when using compressed oops
|
||||
reasonable_max = MIN2(reasonable_max, (julong)max_heap_for_compressed_oops());
|
||||
}
|
||||
reasonable_max = os::allocatable_physical_memory(reasonable_max);
|
||||
|
||||
if (!FLAG_IS_DEFAULT(InitialHeapSize)) {
|
||||
// An initial heap size was specified on the command line,
|
||||
// so be sure that the maximum size is consistent. Done
|
||||
// after call to allocatable_physical_memory because that
|
||||
// method might reduce the allocation size.
|
||||
reasonable_max = MAX2(reasonable_max, (julong)InitialHeapSize);
|
||||
}
|
||||
|
||||
if (PrintGCDetails && Verbose) {
|
||||
// Cannot use gclog_or_tty yet.
|
||||
tty->print_cr(" Max heap size for server class platform "
|
||||
SIZE_FORMAT, reasonable_max);
|
||||
tty->print_cr(" Maximum heap size " SIZE_FORMAT, reasonable_max);
|
||||
}
|
||||
// If the initial_heap_size has not been set with -Xms,
|
||||
// then set it as fraction of size of physical memory
|
||||
// respecting the maximum and minimum sizes of the heap.
|
||||
if (initial_heap_size() == 0) {
|
||||
const uint64_t reasonable_initial_fraction =
|
||||
os::physical_memory() / DefaultInitialRAMFraction;
|
||||
const size_t reasonable_initial =
|
||||
(size_t) os::allocatable_physical_memory(reasonable_initial_fraction);
|
||||
const size_t minimum_size = NewSize + OldSize;
|
||||
set_initial_heap_size(MAX2(MIN2(reasonable_initial, reasonable_max),
|
||||
minimum_size));
|
||||
// Currently the minimum size and the initial heap sizes are the same.
|
||||
set_min_heap_size(initial_heap_size());
|
||||
if (PrintGCDetails && Verbose) {
|
||||
// Cannot use gclog_or_tty yet.
|
||||
tty->print_cr(" Initial heap size for server class platform "
|
||||
SIZE_FORMAT, initial_heap_size());
|
||||
}
|
||||
} else {
|
||||
// A minimum size was specified on the command line. Be sure
|
||||
// that the maximum size is consistent.
|
||||
if (initial_heap_size() > reasonable_max) {
|
||||
reasonable_max = initial_heap_size();
|
||||
}
|
||||
FLAG_SET_ERGO(uintx, MaxHeapSize, (uintx)reasonable_max);
|
||||
}
|
||||
|
||||
// If the initial_heap_size has not been set with InitialHeapSize
|
||||
// or -Xms, then set it as fraction of the size of physical memory,
|
||||
// respecting the maximum and minimum sizes of the heap.
|
||||
if (FLAG_IS_DEFAULT(InitialHeapSize)) {
|
||||
julong reasonable_initial = phys_mem / InitialRAMFraction;
|
||||
|
||||
reasonable_initial = MAX2(reasonable_initial, (julong)(OldSize + NewSize));
|
||||
reasonable_initial = MIN2(reasonable_initial, (julong)MaxHeapSize);
|
||||
|
||||
reasonable_initial = os::allocatable_physical_memory(reasonable_initial);
|
||||
|
||||
if (PrintGCDetails && Verbose) {
|
||||
// Cannot use gclog_or_tty yet.
|
||||
tty->print_cr(" Initial heap size " SIZE_FORMAT, (uintx)reasonable_initial);
|
||||
}
|
||||
FLAG_SET_ERGO(uintx, MaxHeapSize, (uintx) reasonable_max);
|
||||
FLAG_SET_ERGO(uintx, InitialHeapSize, (uintx)reasonable_initial);
|
||||
|
||||
// Subsequent ergonomics code may expect min_heap_size to be set
|
||||
// if InitialHeapSize is. Use whatever the current values are
|
||||
// for OldSize and NewSize, whether or not they were set on the
|
||||
// command line.
|
||||
set_min_heap_size(OldSize + NewSize);
|
||||
}
|
||||
}
|
||||
|
||||
@ -1448,7 +1477,7 @@ bool Arguments::verify_percentage(uintx value, const char* name) {
|
||||
return false;
|
||||
}
|
||||
|
||||
static void set_serial_gc_flags() {
|
||||
static void force_serial_gc() {
|
||||
FLAG_SET_DEFAULT(UseSerialGC, true);
|
||||
FLAG_SET_DEFAULT(UseParNewGC, false);
|
||||
FLAG_SET_DEFAULT(UseConcMarkSweepGC, false);
|
||||
@ -1584,15 +1613,15 @@ bool Arguments::check_vm_args_consistency() {
|
||||
// force sharing off.
|
||||
if (DumpSharedSpaces || ForceSharedSpaces) {
|
||||
jio_fprintf(defaultStream::error_stream(),
|
||||
"Reverting to Serial GC because of %s \n",
|
||||
"Reverting to Serial GC because of %s\n",
|
||||
ForceSharedSpaces ? " -Xshare:on" : "-Xshare:dump");
|
||||
set_serial_gc_flags();
|
||||
force_serial_gc();
|
||||
FLAG_SET_DEFAULT(SOLARIS_ONLY(UseISM) NOT_SOLARIS(UseLargePages), false);
|
||||
} else {
|
||||
if (UseSharedSpaces) {
|
||||
if (UseSharedSpaces && Verbose) {
|
||||
jio_fprintf(defaultStream::error_stream(),
|
||||
"Turning off use of shared archive because of "
|
||||
"choice of garbage collector or large pages \n");
|
||||
"choice of garbage collector or large pages\n");
|
||||
}
|
||||
no_shared_spaces();
|
||||
}
|
||||
@ -1925,8 +1954,8 @@ jint Arguments::parse_each_vm_init_arg(const JavaVMInitArgs* args,
|
||||
describe_range_error(errcode);
|
||||
return JNI_EINVAL;
|
||||
}
|
||||
FLAG_SET_CMDLINE(uintx, MaxNewSize, (size_t) long_initial_eden_size);
|
||||
FLAG_SET_CMDLINE(uintx, NewSize, (size_t) long_initial_eden_size);
|
||||
FLAG_SET_CMDLINE(uintx, MaxNewSize, (uintx)long_initial_eden_size);
|
||||
FLAG_SET_CMDLINE(uintx, NewSize, (uintx)long_initial_eden_size);
|
||||
// -Xms
|
||||
} else if (match_option(option, "-Xms", &tail)) {
|
||||
julong long_initial_heap_size = 0;
|
||||
@ -1937,9 +1966,9 @@ jint Arguments::parse_each_vm_init_arg(const JavaVMInitArgs* args,
|
||||
describe_range_error(errcode);
|
||||
return JNI_EINVAL;
|
||||
}
|
||||
set_initial_heap_size((size_t) long_initial_heap_size);
|
||||
FLAG_SET_CMDLINE(uintx, InitialHeapSize, (uintx)long_initial_heap_size);
|
||||
// Currently the minimum size and the initial heap sizes are the same.
|
||||
set_min_heap_size(initial_heap_size());
|
||||
set_min_heap_size(InitialHeapSize);
|
||||
// -Xmx
|
||||
} else if (match_option(option, "-Xmx", &tail)) {
|
||||
julong long_max_heap_size = 0;
|
||||
@ -1950,7 +1979,7 @@ jint Arguments::parse_each_vm_init_arg(const JavaVMInitArgs* args,
|
||||
describe_range_error(errcode);
|
||||
return JNI_EINVAL;
|
||||
}
|
||||
FLAG_SET_CMDLINE(uintx, MaxHeapSize, (size_t) long_max_heap_size);
|
||||
FLAG_SET_CMDLINE(uintx, MaxHeapSize, (uintx)long_max_heap_size);
|
||||
// Xmaxf
|
||||
} else if (match_option(option, "-Xmaxf", &tail)) {
|
||||
int maxf = (int)(atof(tail) * 100);
|
||||
@ -2196,9 +2225,9 @@ jint Arguments::parse_each_vm_init_arg(const JavaVMInitArgs* args,
|
||||
|
||||
if (FLAG_IS_DEFAULT(MaxHeapSize)) {
|
||||
FLAG_SET_CMDLINE(uintx, MaxHeapSize, initHeapSize);
|
||||
set_initial_heap_size(MaxHeapSize);
|
||||
FLAG_SET_CMDLINE(uintx, InitialHeapSize, initHeapSize);
|
||||
// Currently the minimum size and the initial heap sizes are the same.
|
||||
set_min_heap_size(initial_heap_size());
|
||||
set_min_heap_size(initHeapSize);
|
||||
}
|
||||
if (FLAG_IS_DEFAULT(NewSize)) {
|
||||
// Make the young generation 3/8ths of the total heap.
|
||||
@ -2676,7 +2705,7 @@ jint Arguments::parse(const JavaVMInitArgs* args) {
|
||||
}
|
||||
|
||||
#ifdef SERIALGC
|
||||
set_serial_gc_flags();
|
||||
force_serial_gc();
|
||||
#endif // SERIALGC
|
||||
#ifdef KERNEL
|
||||
no_shared_spaces();
|
||||
@ -2690,18 +2719,22 @@ jint Arguments::parse(const JavaVMInitArgs* args) {
|
||||
return JNI_EINVAL;
|
||||
}
|
||||
|
||||
if (UseParallelGC || UseParallelOldGC) {
|
||||
// Set some flags for ParallelGC if needed.
|
||||
set_parallel_gc_flags();
|
||||
} else if (UseConcMarkSweepGC) {
|
||||
// Set some flags for CMS
|
||||
if (UseConcMarkSweepGC) {
|
||||
// Set flags for CMS and ParNew. Check UseConcMarkSweep first
|
||||
// to ensure that when both UseConcMarkSweepGC and UseParNewGC
|
||||
// are true, we don't call set_parnew_gc_flags() as well.
|
||||
set_cms_and_parnew_gc_flags();
|
||||
} else if (UseParNewGC) {
|
||||
// Set some flags for ParNew
|
||||
set_parnew_gc_flags();
|
||||
} else if (UseG1GC) {
|
||||
// Set some flags for garbage-first, if needed.
|
||||
set_g1_gc_flags();
|
||||
} else {
|
||||
// Set heap size based on available physical memory
|
||||
set_heap_size();
|
||||
// Set per-collector flags
|
||||
if (UseParallelGC || UseParallelOldGC) {
|
||||
set_parallel_gc_flags();
|
||||
} else if (UseParNewGC) {
|
||||
set_parnew_gc_flags();
|
||||
} else if (UseG1GC) {
|
||||
set_g1_gc_flags();
|
||||
}
|
||||
}
|
||||
|
||||
#ifdef SERIALGC
|
||||
|
||||
@ -254,7 +254,6 @@ class Arguments : AllStatic {
|
||||
static bool _has_profile;
|
||||
static bool _has_alloc_profile;
|
||||
static const char* _gc_log_filename;
|
||||
static uintx _initial_heap_size;
|
||||
static uintx _min_heap_size;
|
||||
|
||||
// -Xrun arguments
|
||||
@ -300,8 +299,8 @@ class Arguments : AllStatic {
|
||||
static void set_g1_gc_flags();
|
||||
// GC ergonomics
|
||||
static void set_ergonomics_flags();
|
||||
// Setup heap size for a server platform
|
||||
static void set_server_heap_size();
|
||||
// Setup heap size
|
||||
static void set_heap_size();
|
||||
// Based on automatic selection criteria, should the
|
||||
// low pause collector be used.
|
||||
static bool should_auto_select_low_pause_collector();
|
||||
@ -434,9 +433,7 @@ class Arguments : AllStatic {
|
||||
static bool has_profile() { return _has_profile; }
|
||||
static bool has_alloc_profile() { return _has_alloc_profile; }
|
||||
|
||||
// -Xms , -Xmx
|
||||
static uintx initial_heap_size() { return _initial_heap_size; }
|
||||
static void set_initial_heap_size(uintx v) { _initial_heap_size = v; }
|
||||
// -Xms, -Xmx
|
||||
static uintx min_heap_size() { return _min_heap_size; }
|
||||
static void set_min_heap_size(uintx v) { _min_heap_size = v; }
|
||||
|
||||
|
||||
@ -324,6 +324,32 @@ void CommandLineFlagsEx::uintxAtPut(CommandLineFlagWithType flag, uintx value, F
|
||||
faddr->origin = origin;
|
||||
}
|
||||
|
||||
bool CommandLineFlags::uint64_tAt(char* name, size_t len, uint64_t* value) {
|
||||
Flag* result = Flag::find_flag(name, len);
|
||||
if (result == NULL) return false;
|
||||
if (!result->is_uint64_t()) return false;
|
||||
*value = result->get_uint64_t();
|
||||
return true;
|
||||
}
|
||||
|
||||
bool CommandLineFlags::uint64_tAtPut(char* name, size_t len, uint64_t* value, FlagValueOrigin origin) {
|
||||
Flag* result = Flag::find_flag(name, len);
|
||||
if (result == NULL) return false;
|
||||
if (!result->is_uint64_t()) return false;
|
||||
uint64_t old_value = result->get_uint64_t();
|
||||
result->set_uint64_t(*value);
|
||||
*value = old_value;
|
||||
result->origin = origin;
|
||||
return true;
|
||||
}
|
||||
|
||||
void CommandLineFlagsEx::uint64_tAtPut(CommandLineFlagWithType flag, uint64_t value, FlagValueOrigin origin) {
|
||||
Flag* faddr = address_of_flag(flag);
|
||||
guarantee(faddr != NULL && faddr->is_uint64_t(), "wrong flag type");
|
||||
faddr->set_uint64_t(value);
|
||||
faddr->origin = origin;
|
||||
}
|
||||
|
||||
bool CommandLineFlags::doubleAt(char* name, size_t len, double* value) {
|
||||
Flag* result = Flag::find_flag(name, len);
|
||||
if (result == NULL) return false;
|
||||
|
||||
@ -47,8 +47,8 @@ define_pd_global(intx, Tier4BackEdgeThreshold, 0);
|
||||
define_pd_global(intx, OnStackReplacePercentage, 0);
|
||||
define_pd_global(bool, ResizeTLAB, false);
|
||||
define_pd_global(intx, FreqInlineSize, 0);
|
||||
define_pd_global(intx, InlineSmallCode, 0);
|
||||
define_pd_global(intx, NewSizeThreadIncrease, 4*K);
|
||||
define_pd_global(intx, NewRatio, 4);
|
||||
define_pd_global(intx, InlineClassNatives, true);
|
||||
define_pd_global(intx, InlineUnsafeOps, true);
|
||||
define_pd_global(intx, InitialCodeCacheSize, 160*K);
|
||||
@ -58,7 +58,7 @@ define_pd_global(intx, CodeCacheMinBlockLength, 1);
|
||||
define_pd_global(uintx,PermSize, ScaleForWordSize(4*M));
|
||||
define_pd_global(uintx,MaxPermSize, ScaleForWordSize(64*M));
|
||||
define_pd_global(bool, NeverActAsServerClassMachine, true);
|
||||
define_pd_global(uintx, DefaultMaxRAM, 1*G);
|
||||
define_pd_global(uint64_t,MaxRAM, 1ULL*G);
|
||||
#define CI_COMPILER_COUNT 0
|
||||
#else
|
||||
|
||||
@ -113,6 +113,10 @@ struct Flag {
|
||||
uintx get_uintx() const { return *((uintx*) addr); }
|
||||
void set_uintx(uintx value) { *((uintx*) addr) = value; }
|
||||
|
||||
bool is_uint64_t() const { return strcmp(type, "uint64_t") == 0; }
|
||||
uint64_t get_uint64_t() const { return *((uint64_t*) addr); }
|
||||
void set_uint64_t(uint64_t value) { *((uint64_t*) addr) = value; }
|
||||
|
||||
bool is_double() const { return strcmp(type, "double") == 0; }
|
||||
double get_double() const { return *((double*) addr); }
|
||||
void set_double(double value) { *((double*) addr) = value; }
|
||||
@ -188,6 +192,11 @@ class CommandLineFlags {
|
||||
static bool uintxAtPut(char* name, size_t len, uintx* value, FlagValueOrigin origin);
|
||||
static bool uintxAtPut(char* name, uintx* value, FlagValueOrigin origin) { return uintxAtPut(name, strlen(name), value, origin); }
|
||||
|
||||
static bool uint64_tAt(char* name, size_t len, uint64_t* value);
|
||||
static bool uint64_tAt(char* name, uint64_t* value) { return uint64_tAt(name, strlen(name), value); }
|
||||
static bool uint64_tAtPut(char* name, size_t len, uint64_t* value, FlagValueOrigin origin);
|
||||
static bool uint64_tAtPut(char* name, uint64_t* value, FlagValueOrigin origin) { return uint64_tAtPut(name, strlen(name), value, origin); }
|
||||
|
||||
static bool doubleAt(char* name, size_t len, double* value);
|
||||
static bool doubleAt(char* name, double* value) { return doubleAt(name, strlen(name), value); }
|
||||
static bool doubleAtPut(char* name, size_t len, double* value, FlagValueOrigin origin);
|
||||
@ -785,7 +794,7 @@ class CommandLineFlags {
|
||||
product(bool, ProfilerRecordPC, false, \
|
||||
"Collects tick for each 16 byte interval of compiled code") \
|
||||
\
|
||||
product(bool, ProfileVM, false, \
|
||||
product(bool, ProfileVM, false, \
|
||||
"Profiles ticks that fall within VM (either in the VM Thread " \
|
||||
"or VM code called through stubs)") \
|
||||
\
|
||||
@ -815,7 +824,7 @@ class CommandLineFlags {
|
||||
\
|
||||
product(bool, RegisterFinalizersAtInit, true, \
|
||||
"Register finalizable objects at end of Object.<init> or " \
|
||||
"after allocation.") \
|
||||
"after allocation") \
|
||||
\
|
||||
develop(bool, RegisterReferences, true, \
|
||||
"Tells whether the VM should register soft/weak/final/phantom " \
|
||||
@ -862,14 +871,14 @@ class CommandLineFlags {
|
||||
product(bool, AlwaysLockClassLoader, false, \
|
||||
"Require the VM to acquire the class loader lock before calling " \
|
||||
"loadClass() even for class loaders registering " \
|
||||
"as parallel capable. Default false. ") \
|
||||
"as parallel capable") \
|
||||
\
|
||||
product(bool, AllowParallelDefineClass, false, \
|
||||
"Allow parallel defineClass requests for class loaders " \
|
||||
"registering as parallel capable. Default false") \
|
||||
"registering as parallel capable") \
|
||||
\
|
||||
product(bool, MustCallLoadClassInternal, false, \
|
||||
"Call loadClassInternal() rather than loadClass().Default false") \
|
||||
"Call loadClassInternal() rather than loadClass()") \
|
||||
\
|
||||
product_pd(bool, DontYieldALot, \
|
||||
"Throw away obvious excess yield calls (for SOLARIS only)") \
|
||||
@ -921,9 +930,9 @@ class CommandLineFlags {
|
||||
"(Unstable, Linux-specific)" \
|
||||
" avoid NPTL-FUTEX hang pthread_cond_timedwait" ) \
|
||||
\
|
||||
product(bool, FilterSpuriousWakeups , true, \
|
||||
"Prevent spurious or premature wakeups from object.wait" \
|
||||
"(Solaris only)") \
|
||||
product(bool, FilterSpuriousWakeups, true, \
|
||||
"Prevent spurious or premature wakeups from object.wait " \
|
||||
"(Solaris only)") \
|
||||
\
|
||||
product(intx, NativeMonitorTimeout, -1, "(Unstable)" ) \
|
||||
product(intx, NativeMonitorFlags, 0, "(Unstable)" ) \
|
||||
@ -973,7 +982,7 @@ class CommandLineFlags {
|
||||
\
|
||||
product(bool, UseAltSigs, false, \
|
||||
"Use alternate signals instead of SIGUSR1 & SIGUSR2 for VM " \
|
||||
"internal signals. (Solaris only)") \
|
||||
"internal signals (Solaris only)") \
|
||||
\
|
||||
product(bool, UseSpinning, false, \
|
||||
"Use spinning in monitor inflation and before entry") \
|
||||
@ -1265,12 +1274,12 @@ class CommandLineFlags {
|
||||
"Always tenure objects in eden. (ParallelGC only)") \
|
||||
\
|
||||
product(bool, NeverTenure, false, \
|
||||
"Never tenure objects in eden, May tenure on overflow" \
|
||||
" (ParallelGC only)") \
|
||||
"Never tenure objects in eden, May tenure on overflow " \
|
||||
"(ParallelGC only)") \
|
||||
\
|
||||
product(bool, ScavengeBeforeFullGC, true, \
|
||||
"Scavenge youngest generation before each full GC," \
|
||||
" used with UseParallelGC") \
|
||||
"Scavenge youngest generation before each full GC, " \
|
||||
"used with UseParallelGC") \
|
||||
\
|
||||
develop(bool, ScavengeWithObjectsInToSpace, false, \
|
||||
"Allow scavenges to occur when to_space contains objects.") \
|
||||
@ -1283,9 +1292,9 @@ class CommandLineFlags {
|
||||
" (effective only when UseConcMarkSweepGC)") \
|
||||
\
|
||||
product(bool, ExplicitGCInvokesConcurrentAndUnloadsClasses, false, \
|
||||
"A System.gc() request invokes a concurrent collection and" \
|
||||
" also unloads classes during such a concurrent gc cycle " \
|
||||
" (effective only when UseConcMarkSweepGC)") \
|
||||
"A System.gc() request invokes a concurrent collection and " \
|
||||
"also unloads classes during such a concurrent gc cycle " \
|
||||
"(effective only when UseConcMarkSweepGC)") \
|
||||
\
|
||||
develop(bool, UseCMSAdaptiveFreeLists, true, \
|
||||
"Use Adaptive Free Lists in the CMS generation") \
|
||||
@ -1340,8 +1349,8 @@ class CommandLineFlags {
|
||||
"Whether we should simulate work queue overflow in ParNew") \
|
||||
\
|
||||
notproduct(uintx, ParGCWorkQueueOverflowInterval, 1000, \
|
||||
"An `interval' counter that determines how frequently" \
|
||||
" we simulate overflow; a smaller number increases frequency") \
|
||||
"An `interval' counter that determines how frequently " \
|
||||
"we simulate overflow; a smaller number increases frequency") \
|
||||
\
|
||||
product(uintx, ParGCDesiredObjsFromOverflowList, 20, \
|
||||
"The desired number of objects to claim from the overflow list") \
|
||||
@ -1354,12 +1363,12 @@ class CommandLineFlags {
|
||||
"It forces all freshly committed pages to be pre-touched.") \
|
||||
\
|
||||
product(bool, CMSUseOldDefaults, false, \
|
||||
"A flag temporarily introduced to allow reverting to some older" \
|
||||
"default settings; older as of 6.0 ") \
|
||||
"A flag temporarily introduced to allow reverting to some " \
|
||||
"older default settings; older as of 6.0") \
|
||||
\
|
||||
product(intx, CMSYoungGenPerWorker, 16*M, \
|
||||
"The amount of young gen chosen by default per GC worker " \
|
||||
"thread available ") \
|
||||
"thread available") \
|
||||
\
|
||||
product(bool, GCOverheadReporting, false, \
|
||||
"Enables the GC overhead reporting facility") \
|
||||
@ -1380,43 +1389,44 @@ class CommandLineFlags {
|
||||
"automatically adjusted") \
|
||||
\
|
||||
product(uintx, CMSIncrementalDutyCycleMin, 0, \
|
||||
"Lower bound on the duty cycle when CMSIncrementalPacing is" \
|
||||
"enabled (a percentage, 0-100).") \
|
||||
"Lower bound on the duty cycle when CMSIncrementalPacing is " \
|
||||
"enabled (a percentage, 0-100)") \
|
||||
\
|
||||
product(uintx, CMSIncrementalSafetyFactor, 10, \
|
||||
"Percentage (0-100) used to add conservatism when computing the" \
|
||||
"duty cycle.") \
|
||||
"Percentage (0-100) used to add conservatism when computing the " \
|
||||
"duty cycle") \
|
||||
\
|
||||
product(uintx, CMSIncrementalOffset, 0, \
|
||||
"Percentage (0-100) by which the CMS incremental mode duty cycle" \
|
||||
"is shifted to the right within the period between young GCs") \
|
||||
" is shifted to the right within the period between young GCs") \
|
||||
\
|
||||
product(uintx, CMSExpAvgFactor, 25, \
|
||||
"Percentage (0-100) used to weight the current sample when" \
|
||||
"computing exponential averages for CMS statistics.") \
|
||||
"Percentage (0-100) used to weight the current sample when " \
|
||||
"computing exponential averages for CMS statistics") \
|
||||
\
|
||||
product(uintx, CMS_FLSWeight, 50, \
|
||||
"Percentage (0-100) used to weight the current sample when" \
|
||||
"computing exponentially decating averages for CMS FLS statistics.") \
|
||||
"Percentage (0-100) used to weight the current sample when " \
|
||||
"computing exponentially decating averages for CMS FLS statistics") \
|
||||
\
|
||||
product(uintx, CMS_FLSPadding, 2, \
|
||||
"The multiple of deviation from mean to use for buffering" \
|
||||
"The multiple of deviation from mean to use for buffering " \
|
||||
"against volatility in free list demand.") \
|
||||
\
|
||||
product(uintx, FLSCoalescePolicy, 2, \
|
||||
"CMS: Aggression level for coalescing, increasing from 0 to 4") \
|
||||
\
|
||||
product(uintx, CMS_SweepWeight, 50, \
|
||||
"Percentage (0-100) used to weight the current sample when" \
|
||||
"computing exponentially decaying average for inter-sweep duration.") \
|
||||
"Percentage (0-100) used to weight the current sample when " \
|
||||
"computing exponentially decaying average for inter-sweep " \
|
||||
"duration") \
|
||||
\
|
||||
product(uintx, CMS_SweepPadding, 2, \
|
||||
"The multiple of deviation from mean to use for buffering" \
|
||||
"The multiple of deviation from mean to use for buffering " \
|
||||
"against volatility in inter-sweep duration.") \
|
||||
\
|
||||
product(uintx, CMS_SweepTimerThresholdMillis, 10, \
|
||||
"Skip block flux-rate sampling for an epoch unless inter-sweep " \
|
||||
" duration exceeds this threhold in milliseconds") \
|
||||
"duration exceeds this threhold in milliseconds") \
|
||||
\
|
||||
develop(bool, CMSTraceIncrementalMode, false, \
|
||||
"Trace CMS incremental mode") \
|
||||
@ -1617,35 +1627,36 @@ class CommandLineFlags {
|
||||
\
|
||||
product(intx, CMSTriggerRatio, 80, \
|
||||
"Percentage of MinHeapFreeRatio in CMS generation that is " \
|
||||
" allocated before a CMS collection cycle commences") \
|
||||
"allocated before a CMS collection cycle commences") \
|
||||
\
|
||||
product(intx, CMSTriggerPermRatio, 80, \
|
||||
"Percentage of MinHeapFreeRatio in the CMS perm generation that" \
|
||||
" is allocated before a CMS collection cycle commences, that " \
|
||||
" also collects the perm generation") \
|
||||
"Percentage of MinHeapFreeRatio in the CMS perm generation that " \
|
||||
"is allocated before a CMS collection cycle commences, that " \
|
||||
"also collects the perm generation") \
|
||||
\
|
||||
product(uintx, CMSBootstrapOccupancy, 50, \
|
||||
"Percentage CMS generation occupancy at which to " \
|
||||
" initiate CMS collection for bootstrapping collection stats") \
|
||||
"initiate CMS collection for bootstrapping collection stats") \
|
||||
\
|
||||
product(intx, CMSInitiatingOccupancyFraction, -1, \
|
||||
"Percentage CMS generation occupancy to start a CMS collection " \
|
||||
" cycle (A negative value means that CMSTriggerRatio is used)") \
|
||||
"cycle. A negative value means that CMSTriggerRatio is used") \
|
||||
\
|
||||
product(intx, CMSInitiatingPermOccupancyFraction, -1, \
|
||||
"Percentage CMS perm generation occupancy to start a CMScollection"\
|
||||
" cycle (A negative value means that CMSTriggerPermRatio is used)")\
|
||||
"Percentage CMS perm generation occupancy to start a " \
|
||||
"CMScollection cycle. A negative value means that " \
|
||||
"CMSTriggerPermRatio is used") \
|
||||
\
|
||||
product(bool, UseCMSInitiatingOccupancyOnly, false, \
|
||||
"Only use occupancy as a crierion for starting a CMS collection") \
|
||||
\
|
||||
product(intx, CMSIsTooFullPercentage, 98, \
|
||||
"An absolute ceiling above which CMS will always consider the" \
|
||||
" perm gen ripe for collection") \
|
||||
"An absolute ceiling above which CMS will always consider the " \
|
||||
"perm gen ripe for collection") \
|
||||
\
|
||||
develop(bool, CMSTestInFreeList, false, \
|
||||
"Check if the coalesced range is already in the " \
|
||||
"free lists as claimed.") \
|
||||
"free lists as claimed") \
|
||||
\
|
||||
notproduct(bool, CMSVerifyReturnedBytes, false, \
|
||||
"Check that all the garbage collected was returned to the " \
|
||||
@ -1663,8 +1674,8 @@ class CommandLineFlags {
|
||||
"Enforce ScavengeALot/GCALot at all potential safepoints") \
|
||||
\
|
||||
product(bool, HandlePromotionFailure, true, \
|
||||
"The youngest generation collection does not require" \
|
||||
" a guarantee of full promotion of all live objects.") \
|
||||
"The youngest generation collection does not require " \
|
||||
"a guarantee of full promotion of all live objects.") \
|
||||
\
|
||||
notproduct(bool, PromotionFailureALot, false, \
|
||||
"Use promotion failure handling on every youngest generation " \
|
||||
@ -1692,7 +1703,7 @@ class CommandLineFlags {
|
||||
"Ratio of hard spins to calls to yield") \
|
||||
\
|
||||
product(uintx, PreserveMarkStackSize, 1024, \
|
||||
"Size for stack used in promotion failure handling") \
|
||||
"Size for stack used in promotion failure handling") \
|
||||
\
|
||||
product_pd(bool, UseTLAB, "Use thread-local object allocation") \
|
||||
\
|
||||
@ -1720,14 +1731,27 @@ class CommandLineFlags {
|
||||
product(bool, AlwaysActAsServerClassMachine, false, \
|
||||
"Always act like a server-class machine") \
|
||||
\
|
||||
product_pd(uintx, DefaultMaxRAM, \
|
||||
"Maximum real memory size for setting server class heap size") \
|
||||
product_pd(uint64_t, MaxRAM, \
|
||||
"Real memory size (in bytes) used to set maximum heap size") \
|
||||
\
|
||||
product(uintx, ErgoHeapSizeLimit, 0, \
|
||||
"Maximum ergonomically set heap size (in bytes); zero means use " \
|
||||
"MaxRAM / MaxRAMFraction") \
|
||||
\
|
||||
product(uintx, MaxRAMFraction, 4, \
|
||||
"Maximum fraction (1/n) of real memory used for maximum heap " \
|
||||
"size") \
|
||||
\
|
||||
product(uintx, DefaultMaxRAMFraction, 4, \
|
||||
"Fraction (1/n) of real memory used for server class max heap") \
|
||||
"Maximum fraction (1/n) of real memory used for maximum heap " \
|
||||
"size; deprecated: to be renamed to MaxRAMFraction") \
|
||||
\
|
||||
product(uintx, DefaultInitialRAMFraction, 64, \
|
||||
"Fraction (1/n) of real memory used for server class initial heap") \
|
||||
product(uintx, MinRAMFraction, 2, \
|
||||
"Minimum fraction (1/n) of real memory used for maxmimum heap " \
|
||||
"size on systems with small physical memory size") \
|
||||
\
|
||||
product(uintx, InitialRAMFraction, 64, \
|
||||
"Fraction (1/n) of real memory used for initial heap size") \
|
||||
\
|
||||
product(bool, UseAutoGCSelectPolicy, false, \
|
||||
"Use automatic collection selection policy") \
|
||||
@ -1778,7 +1802,7 @@ class CommandLineFlags {
|
||||
"Number of collections before the adaptive sizing is started") \
|
||||
\
|
||||
product(uintx, AdaptiveSizePolicyOutputInterval, 0, \
|
||||
"Collecton interval for printing information, zero => never") \
|
||||
"Collecton interval for printing information; zero => never") \
|
||||
\
|
||||
product(bool, UseAdaptiveSizePolicyFootprintGoal, true, \
|
||||
"Use adaptive minimum footprint as a goal") \
|
||||
@ -1808,7 +1832,8 @@ class CommandLineFlags {
|
||||
"Allowed collection cost difference between generations") \
|
||||
\
|
||||
product(uintx, AdaptiveSizePolicyCollectionCostMargin, 50, \
|
||||
"If collection costs are within margin, reduce both by full delta") \
|
||||
"If collection costs are within margin, reduce both by full " \
|
||||
"delta") \
|
||||
\
|
||||
product(uintx, YoungGenerationSizeIncrement, 20, \
|
||||
"Adaptive size percentage change in young generation") \
|
||||
@ -2527,7 +2552,7 @@ class CommandLineFlags {
|
||||
\
|
||||
develop(bool, VerifyCompiledCode, false, \
|
||||
"Include miscellaneous runtime verifications in nmethod code; " \
|
||||
"off by default because it disturbs nmethod size heuristics.") \
|
||||
"default off because it disturbs nmethod size heuristics") \
|
||||
\
|
||||
\
|
||||
/* compilation */ \
|
||||
@ -2789,20 +2814,28 @@ class CommandLineFlags {
|
||||
"an OS lock") \
|
||||
\
|
||||
/* gc parameters */ \
|
||||
product(uintx, MaxHeapSize, ScaleForWordSize(64*M), \
|
||||
"Default maximum size for object heap (in bytes)") \
|
||||
product(uintx, InitialHeapSize, 0, \
|
||||
"Initial heap size (in bytes); zero means OldSize + NewSize") \
|
||||
\
|
||||
product_pd(uintx, NewSize, \
|
||||
"Default size of new generation (in bytes)") \
|
||||
product(uintx, MaxHeapSize, ScaleForWordSize(96*M), \
|
||||
"Maximum heap size (in bytes)") \
|
||||
\
|
||||
product(uintx, OldSize, ScaleForWordSize(4*M), \
|
||||
"Initial tenured generation size (in bytes)") \
|
||||
\
|
||||
product(uintx, NewSize, ScaleForWordSize(4*M), \
|
||||
"Initial new generation size (in bytes)") \
|
||||
\
|
||||
product(uintx, MaxNewSize, max_uintx, \
|
||||
"Maximum size of new generation (in bytes)") \
|
||||
"Maximum new generation size (in bytes), max_uintx means set " \
|
||||
"ergonomically") \
|
||||
\
|
||||
product(uintx, PretenureSizeThreshold, 0, \
|
||||
"Max size in bytes of objects allocated in DefNew generation") \
|
||||
"Maximum size in bytes of objects allocated in DefNew " \
|
||||
"generation; zero means no maximum") \
|
||||
\
|
||||
product_pd(uintx, TLABSize, \
|
||||
"Default (or starting) size of TLAB (in bytes)") \
|
||||
product(uintx, TLABSize, 0, \
|
||||
"Starting TLAB size (in bytes); zero means set ergonomically") \
|
||||
\
|
||||
product(uintx, MinTLABSize, 2*K, \
|
||||
"Minimum allowed TLAB size (in bytes)") \
|
||||
@ -2819,10 +2852,10 @@ class CommandLineFlags {
|
||||
product(uintx, TLABWasteIncrement, 4, \
|
||||
"Increment allowed waste at slow allocation") \
|
||||
\
|
||||
product_pd(intx, SurvivorRatio, \
|
||||
product(intx, SurvivorRatio, 8, \
|
||||
"Ratio of eden/survivor space size") \
|
||||
\
|
||||
product_pd(intx, NewRatio, \
|
||||
product(intx, NewRatio, 2, \
|
||||
"Ratio of new/old generation sizes") \
|
||||
\
|
||||
product(uintx, MaxLiveObjectEvacuationRatio, 100, \
|
||||
@ -2832,11 +2865,8 @@ class CommandLineFlags {
|
||||
"Additional size added to desired new generation size per " \
|
||||
"non-daemon thread (in bytes)") \
|
||||
\
|
||||
product(uintx, OldSize, ScaleForWordSize(4096*K), \
|
||||
"Default size of tenured generation (in bytes)") \
|
||||
\
|
||||
product_pd(uintx, PermSize, \
|
||||
"Default size of permanent generation (in bytes)") \
|
||||
"Initial size of permanent generation (in bytes)") \
|
||||
\
|
||||
product_pd(uintx, MaxPermSize, \
|
||||
"Maximum size of permanent generation (in bytes)") \
|
||||
|
||||
@ -202,6 +202,7 @@ class CommandLineFlagsEx : CommandLineFlags {
|
||||
static void boolAtPut(CommandLineFlagWithType flag, bool value, FlagValueOrigin origin);
|
||||
static void intxAtPut(CommandLineFlagWithType flag, intx value, FlagValueOrigin origin);
|
||||
static void uintxAtPut(CommandLineFlagWithType flag, uintx value, FlagValueOrigin origin);
|
||||
static void uint64_tAtPut(CommandLineFlagWithType flag, uint64_t value, FlagValueOrigin origin);
|
||||
static void doubleAtPut(CommandLineFlagWithType flag, double value, FlagValueOrigin origin);
|
||||
static void ccstrAtPut(CommandLineFlagWithType flag, ccstr value, FlagValueOrigin origin);
|
||||
|
||||
|
||||
@ -790,7 +790,7 @@ JVM_ENTRY(jobject, jmm_GetMemoryUsage(JNIEnv* env, jboolean heap))
|
||||
assert(!has_undefined_init_size, "Undefined init size");
|
||||
assert(!has_undefined_max_size, "Undefined max size");
|
||||
|
||||
MemoryUsage usage((heap ? Arguments::initial_heap_size() : total_init),
|
||||
MemoryUsage usage((heap ? InitialHeapSize : total_init),
|
||||
total_used,
|
||||
total_committed,
|
||||
(heap ? Universe::heap()->max_capacity() : total_max));
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user