src/hotspot/share/services/management.cpp

*** 2066,2075 ****
--- 2066,2100 ----
    return (jlong)(((double)ticks / (double)os::elapsed_frequency())
                   * (double)1000.0);
  }
  #endif // INCLUDE_MANAGEMENT
  
+ // Gets the amount of memory allocated on the Java heap for a single thread.
+ // Returns -1 if the thread does not exist or has terminated.
+ JVM_ENTRY(jlong, jmm_GetOneThreadAllocatedMemory(JNIEnv *env, jlong thread_id))
+   if (thread_id < 0) {
+     THROW_MSG_(vmSymbols::java_lang_IllegalArgumentException(),
+                "Invalid thread ID", -1);
+   }
+ 
+   if (thread_id == 0) {
+     // current thread
+     if (THREAD->is_Java_thread()) {
+       return ((JavaThread*)THREAD)->cooked_allocated_bytes();
+     }
+     return -1;
+   }
+ 
+   ThreadsListHandle tlh;
+   JavaThread* java_thread = tlh.list()->find_JavaThread_from_java_tid(thread_id);
+ 
+   if (java_thread != NULL) {
+     return java_thread->cooked_allocated_bytes();
+   }
+   return -1;
+ JVM_END
+ 
  // Gets an array containing the amount of memory allocated on the Java
  // heap for a set of threads (in bytes).  Each element of the array is
  // the amount of memory allocated for the thread ID specified in the
  // corresponding entry in the given array of thread IDs; or -1 if the
  // thread does not exist or has terminated.
*** 2190,2199 ****
--- 2215,2225 ----
    jmm_GetThreadInfo,
    jmm_GetMemoryPools,
    jmm_GetMemoryManagers,
    jmm_GetMemoryPoolUsage,
    jmm_GetPeakMemoryPoolUsage,
+   jmm_GetOneThreadAllocatedMemory,
    jmm_GetThreadAllocatedMemory,
    jmm_GetMemoryUsage,
    jmm_GetLongAttribute,
    jmm_GetBoolAttribute,
    jmm_SetBoolAttribute,