RFR(s): 8152422: Optimize GC JPRT test set
Dmitry Fazunenko
dmitry.fazunenko at oracle.com
Wed Mar 23 17:28:25 UTC 2016
Hello,
may I have a couple of reviews for a quite trivial fix, which splits up
the hotspot_gc jtreg group:
http://cr.openjdk.java.net/~dfazunen/8152422/webrev.00/
https://bugs.openjdk.java.net/browse/JDK-8152422
The purpose of the split is to parallelize the execution of GC tests in
JPRT.
Running the tests located under the gc/g1 folder takes approximately the
same amount of time as running other tests.
To reduce the execution time (for ~20%) I propose to remove a couple of
slow tests from JPRT run:
38,52 : gc/cms/TestMBeanCMS.java (former name
test/gc/6581734/Test6581734.java)
CMS is updating vary rare now, so it's very unlikely to break the
area under this test
18,05 :
gc/survivorAlignment/TestPromotionFromSurvivorToTenuredAfterMinorGC.java
There will remain 3 very similar tests for survivor alignment
5,38 : gc/survivorAlignment/TestPromotionFromEdenToTenured.java
6,47 : gc/survivorAlignment/TestAllocationInEden.java
6,78 :
gc/survivorAlignment/TestPromotionFromSurvivorToTenuredAfterFullGC.java
so dropping this test will not create a gap in testing.
I also restored test which were excluded from JPRT execution a year ago:
90,66 : gc/g1/TestGreyReclaimedHumongousObjects.java
the test is the slowest one, but after the split it fits the budget.
If someone has objections on adding/removing JPRT tests, please speak up.
Thanks,
Dima
PS:
The new statistics (taken from
linux_i586_3.8-fastdebug-c1-hotspot_gc_*.log) now looks like:
*:hotspot_gc_1**
* 0,12 : gc/g1/TestShrinkAuxiliaryData25.java
0,14 : gc/g1/TestShrinkAuxiliaryData05.java
0,21 : gc/g1/TestShrinkAuxiliaryData10.java
0,21 : gc/g1/TestShrinkAuxiliaryData15.java
0,23 : gc/g1/TestShrinkAuxiliaryData30.java
0,28 : gc/g1/TestShrinkToOneRegion.java
0,31 : gc/g1/TestStringSymbolTableStats.java
0,38 : gc/g1/TestRegionAlignment.java
0,43 : gc/g1/TestStringDeduplicationInterned.java
0,45 : gc/g1/TestHumongousAllocInitialMark.java
0,54 : gc/g1/TestShrinkAuxiliaryData20.java
0,55 : gc/g1/TestRegionLivenessPrint.java
0,63 : gc/g1/TestNoEagerReclaimOfHumongousRegions.java
0,64 : gc/g1/TestHumongousAllocNearlyFullRegion.java
0,67 : gc/g1/TestRemsetLoggingPerRegion.java
0,68 : gc/g1/humongousObjects/TestObjectCollected.java
0,77 : gc/g1/TestStringDeduplicationFullGC.java
0,80 : gc/g1/Test2GbHeap.java
0,82 : gc/g1/TestPLABOutput.java
0,86 : gc/g1/TestPrintRegionRememberedSetInfo.java
0,93 : gc/g1/TestStringDeduplicationTableResize.java
0,94 : gc/g1/TestHumongousShrinkHeap.java
0,95 : gc/g1/humongousObjects/TestHumongousMovement.java
1,00 : gc/g1/TestShrinkAuxiliaryData00.java
1,02 : gc/g1/TestStringDeduplicationTableRehash.java
1,02 : gc/g1/TestStringDeduplicationYoungGC.java
1,05 : gc/g1/TestRemsetLoggingThreads.java
1,17 : gc/g1/TestShrinkDefragmentedHeap.java
1,37 : gc/g1/TestStringDeduplicationPrintOptions.java
1,48 : gc/g1/TestGCLogMessages.java
1,94 : gc/g1/TestStringDeduplicationAgeThreshold.java
2,21 : gc/g1/TestPLABSizeBounds.java
2,36 : gc/g1/TestLargePageUseForAuxMemory.java
2,72 : gc/g1/TestEagerReclaimHumongousRegionsWithRefs.java
2,85 : gc/g1/TestEagerReclaimHumongousRegions.java
2,87 : gc/g1/TestG1TraceEagerReclaimHumongousObjects.java
2,88 : gc/g1/TestRemsetLogging.java
3,57 : gc/g1/plab/TestPLABResize.java
8,26 : gc/g1/humongousObjects/TestHeapCounters.java
8,72 : gc/g1/humongousObjects/TestHumongousThreshold.java
10,95 : gc/g1/TestHumongousCodeCacheRoots.java
14,49 : gc/g1/plab/TestPLABPromotion.java
52,17 : gc/g1/TestEagerReclaimHumongousRegionsClearMarkBits.java
59,11 : gc/g1/humongousObjects/TestHumongousNonArrayAllocation.java
90,66 : gc/g1/TestGreyReclaimedHumongousObjects.java
SUMMARY:
Totat tests: 45
Totat time: 4m 46s
*:hotspot_gc_2**
* 0,08 : gc/arguments/TestCompressedClassFlags.java
0,09 : gc/startup_warnings/TestDefNewCMS.java
0,20 : gc/startup_warnings/TestParNewSerialOld.java
0,21 : gc/arguments/TestUseNUMAInterleaving.java
0,28 : gc/startup_warnings/TestParallelScavengeSerialOld.java
0,28 : gc/startup_warnings/TestParallelGC.java
0,29 : gc/startup_warnings/TestParNewCMS.java
0,30 : gc/logging/TestPrintReferences.java
0,30 : gc/startup_warnings/TestG1.java
0,30 : gc/cms/TestCMSScavengeBeforeRemark.java
0,31 : gc/TestVerifyDuringStartup.java
0,32 : gc/startup_warnings/TestSerialGC.java
0,33 : gc/TestVerifySubSet.java
0,37 : gc/TestNUMAPageSize.java
0,37 : sanity/ExecuteInternalVMTests.java
0,37 : gc/metaspace/TestMetaspaceInitialization.java
0,41 : gc/whitebox/TestWBGC.java
0,47 : gc/arguments/TestSelectDefaultGC.java
0,47 : gc/TestVerifySilently.java
0,50 : gc/arguments/TestUnrecognizedVMOptionsHandling.java
0,51 : gc/startup_warnings/TestCMS.java
0,53 : gc/arguments/TestG1ConcMarkStepDurationMillis.java
0,53 : gc/arguments/TestNewSizeThreadIncrease.java
0,60 : gc/arguments/TestG1ConcRefinementThreads.java
0,67 : gc/arguments/TestG1HeapRegionSize.java
0,77 : gc/arguments/TestArrayAllocatorMallocLimit.java
0,80 : gc/class_unloading/TestG1ClassUnloadingHWM.java
0,80 : gc/TestFullGCCount.java
0,80 : gc/arguments/TestG1PercentageOptions.java
0,89 : gc/arguments/TestHeapFreeRatio.java
0,94 : gc/parallel/AdaptiveGCBoundary.java
0,97 : gc/arguments/TestSurvivorAlignmentInBytesOption.java
0,97 : gc/logging/TestGCId.java
1,01 : gc/logging/TestDeprecatedPrintFlags.java
1,03 : gc/TestCardTablePageCommits.java
1,08 : gc/arguments/TestInitialTenuringThreshold.java
1,10 : gc/metaspace/TestPerfCountersAndMemoryPools.java
1,21 : gc/metaspace/TestMetaspaceSizeFlags.java
1,26 : gc/arguments/TestUseCompressedOopsErgo.java
1,30 : gc/TestDisableExplicitGC.java
1,57 : gc/class_unloading/TestCMSClassUnloadingEnabledHWM.java
1,62 : gc/whitebox/TestConcMarkCycleWB.java
1,71 : gc/serial/HeapChangeLogging.java
1,73 : gc/arguments/TestVerifyBeforeAndAfterGCFlags.java
1,86 : gc/metaspace/TestCapacityUntilGCWrapAround.java
1,88 : gc/metaspace/TestMetaspaceMemoryPool.java
1,91 : gc/TestSoftReferencesBehaviorOnOOME.java
2,06 : gc/TestSmallHeap.java
2,15 : gc/metaspace/G1AddMetaspaceDependency.java
2,15 : gc/arguments/TestParallelGCThreads.java
2,16 : gc/arguments/TestAlignmentToUseLargePages.java
2,18 : gc/arguments/TestDynMinHeapFreeRatio.java
2,18 : gc/TestSystemGC.java
2,35 : gc/arguments/TestDynMaxHeapFreeRatio.java
2,36 : gc/parallel/TestPrintGCDetailsVerbose.java
2,38 : gc/ergonomics/TestDynamicNumberOfGCThreads.java
2,40 : gc/TestObjectAlignment.java
2,53 : gc/parallel/TestDynShrinkHeap.java
2,56 : gc/cms/GuardShrinkWarning.java
2,59 : gc/arguments/TestSerialHeapSizeFlags.java
2,59 : gc/arguments/TestG1HeapSizeFlags.java
2,64 : gc/arguments/TestNewRatioFlag.java
2,64 : gc/arguments/TestParallelHeapSizeFlags.java
2,77 : gc/cms/TestBubbleUpRef.java
2,78 : gc/arguments/TestCMSHeapSizeFlags.java
3,60 : gc/arguments/TestObjectTenuringFlags.java
4,34 : gc/survivorAlignment/TestPromotionFromEdenToTenured.java
4,57 : gc/arguments/TestMinAndInitialSurvivorRatioFlags.java
4,64 : gc/survivorAlignment/TestAllocationInEden.java
4,84 : gc/TestBigObj.java
5,19 : gc/arguments/TestNewSizeFlags.java
5,19 : gc/arguments/TestMinInitialErgonomics.java
6,18 :
gc/survivorAlignment/TestPromotionFromSurvivorToTenuredAfterFullGC.java
6,63 : gc/arguments/TestTargetSurvivorRatioFlag.java
6,63 : gc/CondCardMark/Basic.java
7,15 : gc/arguments/TestMaxNewSize.java
7,63 : gc/arguments/TestSurvivorRatioFlag.java
10,69 : gc/metaspace/TestMetaspacePerfCounters.java
14,45 : gc/cms/DisableResizePLAB.java
27,59 : gc/arguments/TestShrinkHeapInSteps.java
40,39 : gc/arguments/TestMaxMinHeapFreeRatioFlags.java
SUMMARY:
Totat tests: 81
Totat time: 3m 59s
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