YourKit Java Profiler Open Source License Request
Andrew Haley
aph at redhat.com
Tue May 7 08:55:05 UTC 2013
On 05/07/2013 09:44 AM, Laurent Bourgès wrote:
> I confirm oprofile (0.96 on my fedora 14) works just fine (see below).
>
> Do you recommend me to use the latest (git) version ? 0.96 is quite old
> (2011)
Only if the version you're using doesn't work.
> Could you explain me a bit how to get sample counts corresponding to the
> complete benchmark (few minutes long) ?
I don't understand. As far as I can see that is what you have.
> should I use the event argument to set the highest count (reset) value ?
>
> By default, oprofile uses: CPU_CLK_UNHALTED:100000:0:1:1
>
> opcontrol --event=CPU_CLK_UNHALTED:400000
>
> What is the maximum value I can set ?
I always use the default. The more you increase sample frequency the
more overhead there is.
The real test is to experiment and see if it makes any difference.
Andrew.
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