--- old/src/share/vm/prims/jvmtiEnv.cpp	2017-04-04 15:20:35.256071714 -0700
+++ new/src/share/vm/prims/jvmtiEnv.cpp	2017-04-04 15:20:35.128072245 -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"
@@ -1935,6 +1936,30 @@
   return JVMTI_ERROR_NONE;
 } /* end IterateOverInstancesOfClass */
 
+// Start the sampler.
+jvmtiError
+JvmtiEnv::StartHeapSampling(jint monitoring_period) {
+  if (monitoring_period < 0) {
+    return JVMTI_ERROR_ILLEGAL_ARGUMENT;
+  }
+
+  HeapMonitor = true;
+  HeapThreadTransition htt(Thread::current());
+  HeapMonitoring::initialize_profiling(monitoring_period);
+  return JVMTI_ERROR_NONE;
+} /* end StartHeapSampling */
+
+// Get the currently live sampled allocations.
+jvmtiError
+JvmtiEnv::GetLiveTraces(jvmtiStackTraceData **stack_traces, jint *num_traces) {
+  HeapThreadTransition htt(Thread::current());
+  if (stack_traces == NULL || num_traces == NULL) {
+    return JVMTI_ERROR_ILLEGAL_ARGUMENT;
+  }
+
+  HeapMonitoring::get_live_traces(stack_traces, num_traces);
+  return JVMTI_ERROR_NONE;
+} /* end GetLiveTraces */
 
   //
   // Local Variable functions