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

rev 3856 : 8004170: G1: Verbose GC output is not getting flushed to log file using JDK 8
Summary: Add flushes to G1CollectedHeap::log_gc_footer() and TraceCPUTime destructor.
Reviewed-by:

*** 3688,3697 ****
--- 3688,3698 ----
        gclog_or_tty->print("--");
      }
      g1_policy()->print_heap_transition();
      gclog_or_tty->print_cr(", %3.7f secs]", pause_time_sec);
    }
+   gclog_or_tty->flush();
  }
  
  bool
  G1CollectedHeap::do_collection_pause_at_safepoint(double target_pause_time_ms) {
    assert_at_safepoint(true /* should_be_vm_thread */);
*** 4034,4046 ****
  #ifdef TRACESPINNING
        ParallelTaskTerminator::print_termination_counts();
  #endif
  
        gc_epilogue(false);
  
        log_gc_footer(os::elapsedTime() - pause_start_sec);
-     }
  
      // It is not yet to safe to tell the concurrent mark to
      // start as we have some optional output below. We don't want the
      // output from the concurrent mark thread interfering with this
      // logging output either.
--- 4035,4048 ----
  #ifdef TRACESPINNING
        ParallelTaskTerminator::print_termination_counts();
  #endif
  
        gc_epilogue(false);
+     }
  
+     // Print the remainder of the GC log output.
      log_gc_footer(os::elapsedTime() - pause_start_sec);
  
      // It is not yet to safe to tell the concurrent mark to
      // start as we have some optional output below. We don't want the
      // output from the concurrent mark thread interfering with this
      // logging output either.