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| author | azakharov <none@none> | 2015-05-19 15:49:27 +0200 |
|---|---|---|
| committer | azakharov <none@none> | 2015-05-19 15:49:27 +0200 |
| commit | 05b230758f231b66e84a5cca5f74a2e613722ad1 (patch) | |
| tree | 42b2be7264866bd69533a1597929471c9111ff78 /src/share/vm/prims/whitebox.cpp | |
| parent | 9b4d0b7da60466c5d6554804ee1bcacc7eae3fa0 (diff) | |
| download | jdk8u_hotspot-05b230758f231b66e84a5cca5f74a2e613722ad1.tar.gz | |
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
Diffstat (limited to 'src/share/vm/prims/whitebox.cpp')
| -rw-r--r-- | src/share/vm/prims/whitebox.cpp | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/src/share/vm/prims/whitebox.cpp b/src/share/vm/prims/whitebox.cpp index 776741be0..ddf702d20 100644 --- a/src/share/vm/prims/whitebox.cpp +++ b/src/share/vm/prims/whitebox.cpp @@ -309,6 +309,12 @@ WB_ENTRY(jboolean, WB_G1IsHumongous(JNIEnv* env, jobject o, jobject obj)) 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_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 @@ -1014,8 +1028,11 @@ 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"g1AuxiliaryMemoryUsage", CC"()Ljava/lang/management/MemoryUsage;", + (void*)&WB_G1AuxiliaryMemoryUsage }, #endif // INCLUDE_ALL_GCS #if INCLUDE_NMT {CC"NMTMalloc", CC"(J)J", (void*)&WB_NMTMalloc }, |