--- old/src/share/vm/prims/jvmtiEnv.cpp 2017-05-22 08:52:13.247041828 -0700 +++ new/src/share/vm/prims/jvmtiEnv.cpp 2017-05-22 08:52:13.127042287 -0700 @@ -46,6 +46,7 @@ #include "prims/jvmtiCodeBlobEvents.hpp" #include "prims/jvmtiExtensions.hpp" #include "prims/jvmtiGetLoadedClasses.hpp" +#include "prims/jvmtiHeapTransition.hpp" #include "prims/jvmtiImpl.hpp" #include "prims/jvmtiManageCapabilities.hpp" #include "prims/jvmtiRawMonitor.hpp" @@ -1947,6 +1948,64 @@ return JVMTI_ERROR_NONE; } /* end IterateOverInstancesOfClass */ +// Start the sampler. +jvmtiError +JvmtiEnv::StartHeapSampling(jint monitoring_rate, jint max_storage) { + if (monitoring_rate < 0) { + return JVMTI_ERROR_ILLEGAL_ARGUMENT; + } + + fprintf(stderr, "Initializing\n"); + HeapThreadTransition htt(Thread::current()); + HeapMonitoring::initialize_profiling(monitoring_rate, max_storage); + return JVMTI_ERROR_NONE; +} /* end StartHeapSampling */ + +// Get the currently live sampled allocations. +jvmtiError +JvmtiEnv::GetLiveTraces(jvmtiStackTraces *stack_traces) { + HeapThreadTransition htt(Thread::current()); + if (stack_traces == NULL) { + return JVMTI_ERROR_ILLEGAL_ARGUMENT; + } + + HeapMonitoring::get_live_traces(stack_traces); + return JVMTI_ERROR_NONE; +} /* end GetLiveTraces */ + +// Get the currently live sampled allocations. +jvmtiError +JvmtiEnv::GetGarbageTraces(jvmtiStackTraces *stack_traces) { + HeapThreadTransition htt(Thread::current()); + if (stack_traces == NULL) { + return JVMTI_ERROR_ILLEGAL_ARGUMENT; + } + + HeapMonitoring::get_garbage_traces(stack_traces); + return JVMTI_ERROR_NONE; +} /* end GetGarbageTraces */ + +// Get the currently live sampled allocations. +jvmtiError +JvmtiEnv::GetFrequentGarbageTraces(jvmtiStackTraces *stack_traces) { + HeapThreadTransition htt(Thread::current()); + if (stack_traces == NULL) { + return JVMTI_ERROR_ILLEGAL_ARGUMENT; + } + + HeapMonitoring::get_frequent_garbage_traces(stack_traces); + return JVMTI_ERROR_NONE; +} /* end GetFrequentGarbageTraces */ + +// Release sampled traces. +jvmtiError +JvmtiEnv::ReleaseTraces(jvmtiStackTraces *stack_traces) { + if (stack_traces == NULL) { + return JVMTI_ERROR_NONE; + } + HeapMonitoring::release_traces(stack_traces); + return JVMTI_ERROR_NONE; +} /* end ReleaseTraces */ // // Local Variable functions