Mercurial > hg > graal-jvmci-8
diff src/share/vm/prims/whitebox.cpp @ 23031:e5406a79ae90
8061715: gc/g1/TestShrinkAuxiliaryData15.java fails with java.lang.RuntimeException: heap decommit failed - after > before
Summary: added WhiteBox methods to count regions and exact aux data sizes
Reviewed-by: jwilhelm, brutisso
| author | azakharov |
|---|---|
| date | Tue, 19 May 2015 15:49:27 +0200 |
| parents | e9a7f132cec3 |
| children | dd9cc155639c 047a642c9729 |
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--- a/src/share/vm/prims/whitebox.cpp Fri May 01 17:38:12 2015 -0400 +++ b/src/share/vm/prims/whitebox.cpp Tue May 19 15:49:27 2015 +0200 @@ -309,6 +309,12 @@ return hr->isHumongous(); 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(); @@ -324,6 +330,14 @@ 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 @@ -1014,8 +1028,11 @@ #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"g1AuxiliaryMemoryUsage", CC"()Ljava/lang/management/MemoryUsage;", + (void*)&WB_G1AuxiliaryMemoryUsage }, #endif // INCLUDE_ALL_GCS #if INCLUDE_NMT {CC"NMTMalloc", CC"(J)J", (void*)&WB_NMTMalloc },