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8061715: gc/g1/TestShrinkAuxiliaryData15.java fails with java.lang.RuntimeException: heap decommit failed - after > before

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Added WhiteBox methods to count regions and exact aux data sizes

Reviewed-by: tschatzl, jwilhelm, mgerdin
This commit is contained in:
Andrey Zakharov 2015-03-16 17:51:28 +03:00
parent 7e86840f64
commit 9272128a46
13 changed files with 192 additions and 75 deletions
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17
hotspot/src/share/vm/prims/whitebox.cpp
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@ -295,6 +295,12 @@ WB_ENTRY(jboolean, WB_G1IsHumongous(JNIEnv* env, jobject o, jobject obj))
return hr->is_humongous();
WB_END
WB_ENTRY(jlong, WB_G1NumMaxRegions(JNIEnv* env, jobject o))
G1CollectedHeap* g1 = G1CollectedHeap::heap();
size_t nr = g1->max_regions();
return (jlong)nr;
WB_END
WB_ENTRY(jlong, WB_G1NumFreeRegions(JNIEnv* env, jobject o))
G1CollectedHeap* g1 = G1CollectedHeap::heap();
size_t nr = g1->num_free_regions();
@ -318,6 +324,14 @@ WB_END
WB_ENTRY(jint, WB_G1RegionSize(JNIEnv* env, jobject o))
return (jint)HeapRegion::GrainBytes;
WB_END
WB_ENTRY(jobject, WB_G1AuxiliaryMemoryUsage(JNIEnv* env))
ResourceMark rm(THREAD);
G1CollectedHeap* g1h = G1CollectedHeap::heap();
MemoryUsage usage = g1h->get_auxiliary_data_memory_usage();
Handle h = MemoryService::create_MemoryUsage_obj(usage, CHECK_NULL);
return JNIHandles::make_local(env, h());
WB_END
#endif // INCLUDE_ALL_GCS
#if INCLUDE_NMT
@ -1240,9 +1254,12 @@ static JNINativeMethod methods[] = {
#if INCLUDE_ALL_GCS
{CC"g1InConcurrentMark", CC"()Z", (void*)&WB_G1InConcurrentMark},
{CC"g1IsHumongous", CC"(Ljava/lang/Object;)Z", (void*)&WB_G1IsHumongous },
{CC"g1NumMaxRegions", CC"()J", (void*)&WB_G1NumMaxRegions },
{CC"g1NumFreeRegions", CC"()J", (void*)&WB_G1NumFreeRegions },
{CC"g1RegionSize", CC"()I", (void*)&WB_G1RegionSize },
{CC"g1StartConcMarkCycle", CC"()Z", (void*)&WB_G1StartMarkCycle },
{CC"g1AuxiliaryMemoryUsage", CC"()Ljava/lang/management/MemoryUsage;",
(void*)&WB_G1AuxiliaryMemoryUsage },
#endif // INCLUDE_ALL_GCS
#if INCLUDE_NMT
{CC"NMTMalloc", CC"(J)J", (void*)&WB_NMTMalloc },