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8081317: [NEWTEST] documented GC ratio tuning and new size options should be covered by regression tests

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Reviewed-by: iignatyev, dfazunen
This commit is contained in:
Michail Chernov 2015-09-01 21:38:07 +03:00
parent 187c7c2b58
commit 6814a6121a
10 changed files with 1842 additions and 0 deletions
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20
hotspot/src/share/vm/prims/whitebox.cpp
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@ -55,6 +55,7 @@
#include "gc/g1/g1CollectedHeap.inline.hpp"
#include "gc/g1/heapRegionRemSet.hpp"
#include "gc/parallel/parallelScavengeHeap.inline.hpp"
#include "gc/parallel/adjoiningGenerations.hpp"
#endif // INCLUDE_ALL_GCS
#if INCLUDE_NMT
#include "services/mallocSiteTable.hpp"
@ -296,6 +297,11 @@ WB_ENTRY(jlong, WB_GetObjectSize(JNIEnv* env, jobject o, jobject obj))
return p->size() * HeapWordSize;
WB_END
WB_ENTRY(jlong, WB_GetHeapSpaceAlignment(JNIEnv* env, jobject o))
size_t alignment = Universe::heap()->collector_policy()->space_alignment();
return (jlong)alignment;
WB_END
#if INCLUDE_ALL_GCS
WB_ENTRY(jboolean, WB_G1IsHumongous(JNIEnv* env, jobject o, jobject obj))
G1CollectedHeap* g1 = G1CollectedHeap::heap();
@ -334,6 +340,17 @@ WB_ENTRY(jint, WB_G1RegionSize(JNIEnv* env, jobject o))
return (jint)HeapRegion::GrainBytes;
WB_END
WB_ENTRY(jlong, WB_PSVirtualSpaceAlignment(JNIEnv* env, jobject o))
ParallelScavengeHeap* ps = ParallelScavengeHeap::heap();
size_t alignment = ps->gens()->virtual_spaces()->alignment();
return (jlong)alignment;
WB_END
WB_ENTRY(jlong, WB_PSHeapGenerationAlignment(JNIEnv* env, jobject o))
size_t alignment = ParallelScavengeHeap::heap()->generation_alignment();
return (jlong)alignment;
WB_END
WB_ENTRY(jobject, WB_G1AuxiliaryMemoryUsage(JNIEnv* env))
ResourceMark rm(THREAD);
G1CollectedHeap* g1h = G1CollectedHeap::heap();
@ -1332,6 +1349,7 @@ static JNINativeMethod methods[] = {
{CC"getVMPageSize", CC"()I", (void*)&WB_GetVMPageSize },
{CC"getVMAllocationGranularity", CC"()J", (void*)&WB_GetVMAllocationGranularity },
{CC"getVMLargePageSize", CC"()J", (void*)&WB_GetVMLargePageSize},
{CC"getHeapSpaceAlignment", CC"()J", (void*)&WB_GetHeapSpaceAlignment},
{CC"isClassAlive0", CC"(Ljava/lang/String;)Z", (void*)&WB_IsClassAlive },
{CC"parseCommandLine0",
CC"(Ljava/lang/String;C[Lsun/hotspot/parser/DiagnosticCommand;)[Ljava/lang/Object;",
@ -1356,6 +1374,8 @@ static JNINativeMethod methods[] = {
{CC"g1StartConcMarkCycle", CC"()Z", (void*)&WB_G1StartMarkCycle },
{CC"g1AuxiliaryMemoryUsage", CC"()Ljava/lang/management/MemoryUsage;",
(void*)&WB_G1AuxiliaryMemoryUsage },
{CC"psVirtualSpaceAlignment",CC"()J", (void*)&WB_PSVirtualSpaceAlignment},
{CC"psHeapGenerationAlignment",CC"()J", (void*)&WB_PSHeapGenerationAlignment},
#endif // INCLUDE_ALL_GCS
#if INCLUDE_NMT
{CC"NMTMalloc", CC"(J)J", (void*)&WB_NMTMalloc },