linux-kernel - Re: perf: regression with PERF_EVENT_IOC

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Message-ID: <alpine.DEB.2.00.1105251722550.25021@cl320.eecs.utk.edu>
Date:	Wed, 25 May 2011 17:24:00 -0400 (EDT)
From:	Vince Weaver <vweaver1@...s.utk.edu>
To:	Ingo Molnar <mingo@...e.hu>
cc:	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	linux-kernel@...r.kernel.org, fbuihuu@...il.com, paulus@...ba.org,
	acme@...hat.com
Subject: Re: perf: regression with PERF_EVENT_IOC_REFRESH

On Wed, 25 May 2011, Ingo Molnar wrote:
> * Vince Weaver <vweaver1@...s.utk.edu> wrote:
> 
> Well, i gave you a suggestion of how to prevent such regressions in 
> the future, should you be worried about such regressions.
> 
>  - or help us build better tests, either to 'perf test' (or to LTP)

I do have a perf_event validation test suite that I maintain to help when 
debugging PAPI issues.

   http://web.eecs.utk.edu/~vweaver1/projects/perf-events/validation.html

it's only about 12 tests right now, but feel free to use them if you'd 
like (they're GPL).  I really don't have any interest in merging them into 
the perf tree though.

Vince
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