[Pvfs2-users] Event tracing

Sam Lang slang at mcs.anl.gov
Tue Nov 18 11:22:56 EST 2008


Hi Nirmal,

You can restrict it to trace only network events, only disk events, or  
only server operation events.  The default event driver just keeps a  
ring of events until they're requested with pvfs2-event-mon-example.   
Unfortunately, there's no good documentation for it.  I can give you  
more detail if you need it.  What are you are looking to do?

-sam

On Nov 13, 2008, at 12:54 PM, Nirmal Thacker wrote:

> Hello,
>
> I am trying to perform event tracing with PVFS- before I maybe perform
> my own instrumentation, I wanted to check out pvfs2-set-eventmask
>
> I mostly understood its one form of usage from a thread on the list  
> archives
> [http://www.beowulf-underground.org/pipermail/pvfs2-developers/2006-January/001774.html 
> ]
>
> I'd like to know if there are more variations to the usage. For  
> example
> are there more levels of tracing? Can the tracing be restricted to  
> only
> what I require?
>
> Is this documented in more detail somewhere ?
>
> Thanks
> Nirmal
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