diff options
Diffstat (limited to 'src/share/vm/prims/whitebox.cpp')
| -rw-r--r-- | src/share/vm/prims/whitebox.cpp | 54 |
1 files changed, 51 insertions, 3 deletions
diff --git a/src/share/vm/prims/whitebox.cpp b/src/share/vm/prims/whitebox.cpp index 0132cb13e..ef1da19d2 100644 --- a/src/share/vm/prims/whitebox.cpp +++ b/src/share/vm/prims/whitebox.cpp @@ -45,6 +45,7 @@ #if INCLUDE_ALL_GCS #include "gc_implementation/parallelScavenge/parallelScavengeHeap.inline.hpp" #include "gc_implementation/g1/concurrentMark.hpp" +#include "gc_implementation/g1/concurrentMarkThread.hpp" #include "gc_implementation/g1/g1CollectedHeap.inline.hpp" #include "gc_implementation/g1/heapRegionRemSet.hpp" #endif // INCLUDE_ALL_GCS @@ -73,6 +74,13 @@ WB_ENTRY(jint, WB_GetHeapOopSize(JNIEnv* env, jobject o)) return heapOopSize; WB_END +WB_ENTRY(jint, WB_GetVMPageSize(JNIEnv* env, jobject o)) + return os::vm_page_size(); +WB_END + +WB_ENTRY(jlong, WB_GetVMLargePageSize(JNIEnv* env, jobject o)) + return os::large_page_size(); +WB_END class WBIsKlassAliveClosure : public KlassClosure { Symbol* _name; @@ -302,6 +310,12 @@ 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(); @@ -310,13 +324,29 @@ WB_END WB_ENTRY(jboolean, WB_G1InConcurrentMark(JNIEnv* env, jobject o)) G1CollectedHeap* g1 = G1CollectedHeap::heap(); - ConcurrentMark* cm = g1->concurrent_mark(); - return cm->concurrent_marking_in_progress(); + return g1->concurrent_mark()->cmThread()->during_cycle(); +WB_END + +WB_ENTRY(jboolean, WB_G1StartMarkCycle(JNIEnv* env, jobject o)) + G1CollectedHeap* g1h = G1CollectedHeap::heap(); + if (!g1h->concurrent_mark()->cmThread()->during_cycle()) { + g1h->collect(GCCause::_wb_conc_mark); + return true; + } + return false; 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 @@ -884,6 +914,16 @@ WB_ENTRY(jlong, WB_MetaspaceCapacityUntilGC(JNIEnv* env, jobject wb)) return (jlong) MetaspaceGC::capacity_until_GC(); WB_END +WB_ENTRY(jboolean, WB_IsMonitorInflated(JNIEnv* env, jobject wb, jobject obj)) + oop obj_oop = JNIHandles::resolve(obj); + return (jboolean) obj_oop->mark()->has_monitor(); +WB_END + +WB_ENTRY(void, WB_ForceSafepoint(JNIEnv* env, jobject wb)) + VM_ForceSafepoint force_safepoint_op; + VMThread::execute(&force_safepoint_op); +WB_END + //Some convenience methods to deal with objects from java int WhiteBox::offset_for_field(const char* field_name, oop object, Symbol* signature_symbol) { @@ -906,7 +946,7 @@ int WhiteBox::offset_for_field(const char* field_name, oop object, if (res == NULL) { tty->print_cr("Invalid layout of %s at %s", ik->external_name(), name_symbol->as_C_string()); - fatal("Invalid layout of preloaded class"); + vm_exit_during_initialization("Invalid layout of preloaded class: use -XX:+TraceClassLoading to see the origin of the problem class"); } //fetch the field at the offset we've found @@ -972,6 +1012,8 @@ static JNINativeMethod methods[] = { {CC"getObjectSize", CC"(Ljava/lang/Object;)J", (void*)&WB_GetObjectSize }, {CC"isObjectInOldGen", CC"(Ljava/lang/Object;)Z", (void*)&WB_isObjectInOldGen }, {CC"getHeapOopSize", CC"()I", (void*)&WB_GetHeapOopSize }, + {CC"getVMPageSize", CC"()I", (void*)&WB_GetVMPageSize }, + {CC"getVMLargePageSize", CC"()J", (void*)&WB_GetVMLargePageSize}, {CC"isClassAlive0", CC"(Ljava/lang/String;)Z", (void*)&WB_IsClassAlive }, {CC"classKnownToNotExist", CC"(Ljava/lang/ClassLoader;Ljava/lang/String;)Z",(void*)&WB_ClassKnownToNotExist}, @@ -995,8 +1037,12 @@ 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 }, @@ -1067,6 +1113,8 @@ static JNINativeMethod methods[] = { {CC"getCPUFeatures", CC"()Ljava/lang/String;", (void*)&WB_GetCPUFeatures }, {CC"getNMethod", CC"(Ljava/lang/reflect/Executable;Z)[Ljava/lang/Object;", (void*)&WB_GetNMethod }, + {CC"isMonitorInflated", CC"(Ljava/lang/Object;)Z", (void*)&WB_IsMonitorInflated }, + {CC"forceSafepoint", CC"()V", (void*)&WB_ForceSafepoint }, }; #undef CC |