src/share/vm/gc/g1/g1CollectedHeap.cpp

*** 2471,2482 ****
  size_t G1CollectedHeap::max_capacity() const {
    return _hrm.reserved().byte_size();
  }
  
  jlong G1CollectedHeap::millis_since_last_gc() {
!   // assert(false, "NYI");
    return 0;
  }
  
  void G1CollectedHeap::prepare_for_verify() {
    _verifier->prepare_for_verify();
  }
--- 2471,2490 ----
  size_t G1CollectedHeap::max_capacity() const {
    return _hrm.reserved().byte_size();
  }
  
  jlong G1CollectedHeap::millis_since_last_gc() {
!   // See the notes in GenCollectedHeap::millis_since_last_gc() 
!   // for more information about the implementation.
!   jlong ret_val = (os::javaTimeNanos() / NANOSECS_PER_MILLISEC) -
!     _g1_policy->full_collection_end_millis(); 
!   if (ret_val < 0) {
!     log_warning(gc)("millis_since_last_gc() would return : " JLONG_FORMAT
!       ". returning zero instead.", ret_val);
      return 0;
+   }
+   return ret_val;
  }
  
  void G1CollectedHeap::prepare_for_verify() {
    _verifier->prepare_for_verify();
  }