PrintGCApplicationConcurrentTime / PrintGCApplicationStoppedTime

David Holmes - Sun Microsystems David.Holmes at Sun.COM
Tue Apr 14 23:58:52 PDT 2009


We already have PrintSafepointStatistics to give detailed safepoint 
information.

David Holmes

Y. Srinivas Ramakrishna said the following on 04/15/09 16:24:
> Nicolas Michael wrote:
>> ... But actually I would prefer to have *all* time due to safepointing 
>> reported somehow. In case there is some problem with safepointing, it 
>> would be good to have some counters showing that. Or just to see how 
>> much time the application is *really* running (vs. being blocked). 
>> Reporting all this with PrintGCApplicationStoppedTime and 
>> PrintGCApplicationConcurrentTime (and probably drop the "GC" in the 
>> name) sounds good to me!
> 
> +1: I vote with Nick here.
> 
> -- ramki
>>
>> Nick.
>>
>> Jon Masamitsu schrieb:
>>> Question: Do users care about applications times output
>>> for PrintGCApplicationConcurrentTime only relative to
>>> GC's?
>>>
>>>
>>> I have a CR
>>>
>>> 6782663: Data produced by PrintGCApplicationConcurrentTime and 
>>> PrintGCApplicationStoppedTime is not accurate
>>>



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