JMH and ocperf

Aleksey Shipilev shade at
Fri Nov 18 09:35:11 UTC 2016


On 11/17/2016 09:57 PM, Sergey Melnikov wrote:
> So, I'd like to propose to modify JMH a bit: to let user to overwrite
> 'perf' executable name via environment variable. It let to use ocperf
> with JMH and to specify symbolic names via JMH parameters.
> Therefore, JMH run will look like:
> $ java -jar target/benchmarks.jar -prof
> perfasm:event=br_inst_retired.far_branch
> Alexey, what do you think, if I implement this functionality, will it
> be possible to merge fix to trunk?

I am not resistant to the idea, but I am missing something here.

Why can't pmu-tools project provide the system/user-wide alternative for
perf, so that JMH and others just use that instead of hacking the
specifics in? This would seems like a proper way to do interop between
the tools.


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