[RFC] Enhanced Garbage Collection Probe Points

Mark Wielaard mjw at redhat.com
Tue Aug 7 04:50:31 PDT 2012

On Fri, 2012-08-03 at 10:22 -0400, Lukas Berk wrote:
> * Mark Wielaard <mark at klomp.org> [2012-08-03 09:56]:
> > On Thu, 2012-08-02 at 09:10 -0400, Lukas Berk wrote:
> > They look interesting, but do you have some example usage for this? My
> > garbage collector knowledge is very rusty. Just some simple description
> > when which point would be hit and what interesting data can be
> > collected/analysed at that time would be nice to put this in context.
> I ran a $stap eventcount.stp hotspot.gc_* -o eventcount.txt style script
> and have attached the output.  I'll also start to document the
> script(tapset?) I've been using to interpret the probe points I've been
> added here.

If you could post eventcount.stp with some comments that would be really
helpful (even if it is just a work in progress) to better understand the
"meaning" of the new probe points for a Garbage Collector noob like me.



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