Mercurial > hg > truffle
diff src/share/vm/gc_implementation/g1/g1_globals.hpp @ 751:20c6f43950b5
6490395: G1: Tidy up command line flags.
Summary: Change G1 flag names to be more consistent and disable some in 'product' mode.
Reviewed-by: tonyp, iveresov
| author | johnc |
|---|---|
| date | Thu, 30 Apr 2009 15:07:53 -0700 |
| parents | 2b6c55e36143 |
| children | 315a5d70b295 |
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--- a/src/share/vm/gc_implementation/g1/g1_globals.hpp Mon May 04 02:57:39 2009 -0700 +++ b/src/share/vm/gc_implementation/g1/g1_globals.hpp Thu Apr 30 15:07:53 2009 -0700 @@ -28,46 +28,34 @@ #define G1_FLAGS(develop, develop_pd, product, product_pd, diagnostic, experimental, notproduct, manageable, product_rw) \ \ - product(intx, ParallelGCG1AllocBufferSize, 8*K, \ + product(intx, G1ParallelGCAllocBufferSize, 8*K, \ "Size of parallel G1 allocation buffers in to-space.") \ \ - product(intx, G1TimeSliceMS, 500, \ - "Time slice for MMU specification") \ - \ - product(intx, G1MaxPauseTimeMS, 200, \ - "Max GC time per MMU time slice") \ - \ - product(intx, G1ConfidencePerc, 50, \ + product(intx, G1ConfidencePercent, 50, \ "Confidence level for MMU/pause predictions") \ \ - product(intx, G1MarkingOverheadPerc, 0, \ + develop(intx, G1MarkingOverheadPercent, 0, \ "Overhead of concurrent marking") \ \ - product(bool, G1AccountConcurrentOverhead, false, \ + develop(bool, G1AccountConcurrentOverhead, false, \ "Whether soft real-time compliance in G1 will take into account" \ "concurrent overhead") \ \ product(intx, G1YoungGenSize, 0, \ "Size of the G1 young generation, 0 is the adaptive policy") \ \ - product(bool, G1Gen, true, \ + develop(bool, G1Gen, true, \ "If true, it will enable the generational G1") \ \ - develop(intx, G1GCPct, 10, \ + develop(intx, G1GCPercent, 10, \ "The desired percent time spent on GC") \ \ - product(intx, G1PolicyVerbose, 0, \ + develop(intx, G1PolicyVerbose, 0, \ "The verbosity level on G1 policy decisions") \ \ develop(bool, G1UseHRIntoRS, true, \ "Determines whether the 'advanced' HR Into rem set is used.") \ \ - product(bool, G1VerifyRemSet, false, \ - "If true, verify the rem set functioning at each GC") \ - \ - product(bool, G1VerifyConcMark, false, \ - "If true, verify the conc marking code at full GC time") \ - \ develop(intx, G1MarkingVerboseLevel, 0, \ "Level (0-4) of verboseness of the marking code") \ \ @@ -77,38 +65,28 @@ develop(bool, G1TraceMarkStackOverflow, false, \ "If true, extra debugging code for CM restart for ovflw.") \ \ - product(bool, G1VerifyMarkingInEvac, false, \ - "If true, verify marking info during evacuation") \ - \ develop(intx, G1PausesBtwnConcMark, -1, \ "If positive, fixed number of pauses between conc markings") \ \ - product(intx, G1EfficiencyPctCausesMark, 80, \ - "The cum gc efficiency since mark fall-off that causes " \ - "new marking") \ - \ - product(bool, TraceConcurrentMark, false, \ - "Trace concurrent mark") \ - \ - product(bool, SummarizeG1ConcMark, false, \ + diagnostic(bool, G1SummarizeConcurrentMark, false, \ "Summarize concurrent mark info") \ \ - product(bool, SummarizeG1RSStats, false, \ + diagnostic(bool, G1SummarizeRSetStats, false, \ "Summarize remembered set processing info") \ \ - product(bool, SummarizeG1ZFStats, false, \ + diagnostic(bool, G1SummarizeZFStats, false, \ "Summarize zero-filling info") \ \ - product(bool, TraceG1Refine, false, \ + develop(bool, G1TraceConcurrentRefinement, false, \ "Trace G1 concurrent refinement") \ \ develop(bool, G1ConcMark, true, \ "If true, run concurrent marking for G1") \ \ - product(intx, G1CMStackSize, 2 * 1024 * 1024, \ + product(intx, G1MarkStackSize, 2 * 1024 * 1024, \ "Size of the mark stack for concurrent marking.") \ \ - product(intx, G1CMRegionStackSize, 1024 * 1024, \ + product(intx, G1MarkRegionStackSize, 1024 * 1024, \ "Size of the region stack for concurrent marking.") \ \ develop(bool, G1ConcRefine, true, \ @@ -121,7 +99,7 @@ "Number of heap regions of alloc ahead of starting collection " \ "pause to start concurrent refinement (initially)") \ \ - product(bool, G1SmoothConcRefine, true, \ + develop(bool, G1SmoothConcRefine, true, \ "Attempts to smooth out the overhead of concurrent refinement") \ \ develop(bool, G1ConcZeroFill, true, \ @@ -157,7 +135,7 @@ develop(bool, G1SATBPrintStubs, false, \ "If true, print generated stubs for the SATB barrier") \ \ - product(intx, G1ExpandByPctOfAvail, 20, \ + product(intx, G1ExpandByPercentOfAvailable, 20, \ "When expanding, % of uncommitted space to claim.") \ \ develop(bool, G1RSBarrierRegionFilter, true, \ @@ -179,18 +157,9 @@ "If true, verify that no dirty cards remain after RS log " \ "processing.") \ \ - product(intx, G1MinPausesBetweenMarks, 2, \ - "Number of inefficient pauses necessary to trigger marking.") \ - \ - product(intx, G1InefficientPausePct, 80, \ - "Threshold of an 'inefficient' pauses (as % of cum efficiency.") \ - \ develop(bool, G1RSCountHisto, false, \ "If true, print a histogram of RS occupancies after each pause") \ \ - product(bool, G1TraceFileOverwrite, false, \ - "Allow the trace file to be overwritten") \ - \ develop(intx, G1PrintRegionLivenessInfo, 0, \ "When > 0, print the occupancies of the <n> best and worst" \ "regions.") \ @@ -198,9 +167,6 @@ develop(bool, G1PrintParCleanupStats, false, \ "When true, print extra stats about parallel cleanup.") \ \ - product(bool, G1DoAgeCohortChecks, false, \ - "When true, check well-formedness of age cohort structures.") \ - \ develop(bool, G1DisablePreBarrier, false, \ "Disable generation of pre-barrier (i.e., marking barrier) ") \ \ @@ -214,17 +180,17 @@ develop(intx, G1ConcRSLogCacheSize, 10, \ "Log base 2 of the length of conc RS hot-card cache.") \ \ - product(bool, G1ConcRSCountTraversals, false, \ + develop(bool, G1ConcRSCountTraversals, false, \ "If true, gather data about the number of times CR traverses " \ "cards ") \ \ - product(intx, G1ConcRSHotCardLimit, 4, \ + develop(intx, G1ConcRSHotCardLimit, 4, \ "The threshold that defines (>=) a hot card.") \ \ develop(bool, G1PrintOopAppls, false, \ "When true, print applications of closures to external locs.") \ \ - product(intx, G1LogRSRegionEntries, 7, \ + develop(intx, G1LogRSRegionEntries, 7, \ "Log_2 of max number of regions for which we keep bitmaps.") \ \ develop(bool, G1RecordHRRSOops, false, \ @@ -254,11 +220,11 @@ "It determines whether the system will calculate an optimum " \ "scan-only set.") \ \ - product(intx, G1MinReservePerc, 10, \ + product(intx, G1MinReservePercent, 10, \ "It determines the minimum reserve we should have in the heap " \ "to minimize the probability of promotion failure.") \ \ - product(bool, G1TraceRegions, false, \ + diagnostic(bool, G1PrintRegions, false, \ "If set G1 will print information on which regions are being " \ "allocated and which are reclaimed.") \ \ @@ -268,24 +234,24 @@ develop(bool, G1HRRSFlushLogBuffersOnVerify, false, \ "Forces flushing of log buffers before verification.") \ \ - product(bool, G1UseSurvivorSpace, true, \ + product(bool, G1UseSurvivorSpaces, true, \ "When true, use survivor space.") \ \ - product(bool, G1FixedTenuringThreshold, false, \ + develop(bool, G1FixedTenuringThreshold, false, \ "When set, G1 will not adjust the tenuring threshold") \ \ - product(bool, G1FixedEdenSize, false, \ + develop(bool, G1FixedEdenSize, false, \ "When set, G1 will not allocate unused survivor space regions") \ \ - product(uintx, G1FixedSurvivorSpaceSize, 0, \ + develop(uintx, G1FixedSurvivorSpaceSize, 0, \ "If non-0 is the size of the G1 survivor space, " \ "otherwise SurvivorRatio is used to determine the size") \ \ - experimental(bool, G1EnableParallelRSetUpdating, false, \ + experimental(bool, G1ParallelRSetUpdatingEnabled, false, \ "Enables the parallelization of remembered set updating " \ "during evacuation pauses") \ \ - experimental(bool, G1EnableParallelRSetScanning, false, \ + experimental(bool, G1ParallelRSetScanningEnabled, false, \ "Enables the parallelization of remembered set scanning " \ "during evacuation pauses")