src/hotspot/share/gc/shared/gcVMOperations.cpp

rev 58082 : 8214535: Parallel heap inspection for jmap histo (G1)
Summary: Add parallel heap inspection to speedup jmap -histo, this patch support G1
Reviewed-by:
Contributed-by: lzang

*** 150,160 ****
        // future.
        log_warning(gc)("GC locker is held; pre-dump GC was skipped");
      }
    }
    HeapInspection inspect;
!   inspect.heap_inspection(_out);
  }
  
  
  void VM_GenCollectForAllocation::doit() {
    SvcGCMarker sgcm(SvcGCMarker::MINOR);
--- 150,160 ----
        // future.
        log_warning(gc)("GC locker is held; pre-dump GC was skipped");
      }
    }
    HeapInspection inspect;
!   inspect.heap_inspection(_out, _parallel_thread_num);
  }
  
  
  void VM_GenCollectForAllocation::doit() {
    SvcGCMarker sgcm(SvcGCMarker::MINOR);