Bug in G1 logging?

Thomas Viessmann thomas.viessmann at oracle.com
Mon Jun 15 08:41:16 UTC 2015


Hi all,

There is probably a bug in G1 logging in 8u40. The total of [Other: 
214.0 ms]
does not match the sum  of its sub-categories which amount to just 9.2 ms.
Hence at least one of these is supposedly wrong. Is this a known bug or 
should I file
a new one?

   [Code Root Fixup: 0.1 ms]
    [Code Root Purge: 0.0 ms]
    [Clear CT: 2.0 ms]
    [Other: 214.0 ms]<<<<<<<<<<<<<<<<<<
       [Choose CSet: 0.0 ms]
       [Ref Proc: 4.9 ms]
       [Ref Enq: 0.3 ms]
       [Redirty Cards: 2.1 ms]
          [Parallel Redirty:  1.8  1.8  1.7  1.7  1.7  1.7 1.7  1.7  
1.7  1.7  1.6  1.6  1.6
           Min: 1.6, Avg: 1.7, Max: 1.8, Diff: 0.2, Sum: 22.1]
          [Redirtied Cards:  27319  24512  23040  24635 18996  28913  
20628  19163  17881  17664  15360  18417  16639
           Min: 15360, Avg: 21012.8, Max: 28913, Diff: 13553, Sum: 273167]
       [Humongous Reclaim: 0.0 ms]
          [Humongous Total: 11]
          [Humongous Candidate: 0]
          [Humongous Reclaimed: 0]
       [Free CSet: 1.9 ms]
          [Young Free CSet: 1.9 ms]
          [Non-Young Free CSet: 0.0 ms]
    [Eden: 3400.0M(3232.0M)->0.0B(848.0M) Survivors: 176.0M->376.0M 
Heap: 12.6G(24.0G)->9673.3M(24.0G)]



Thanks and Regards

Thomas



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