linux-kernel - Re: [patch] x86, perf_counter, bts: add bts to perf

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Date:	Tue, 4 Aug 2009 13:35:55 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc:	Markus Metzger <markus.t.metzger@...el.com>, tglx@...utronix.de,
	hpa@...or.com, markus.t.metzger@...il.com,
	linux-kernel@...r.kernel.org
Subject: Re: [patch] x86, perf_counter, bts: add bts to perf_counter


* Ingo Molnar <mingo@...e.hu> wrote:

> > Over all looks very nice, some comments below (could be 
> > addressed in a delta patch).
> 
> ok - thanks guys - i'll test this some and push it out into the 
> perfcounters tree. Will apply the delta patch too once it's done.

the kernel hard-locks if i try to use it:

 titan:~/tip/tools/perf> perf record -f -e branches -c 1 ~/hackbench 1

with the attached 64-bit (def-)config, on a Core2 test-box, latest 
-tip.

	Ingo


View attachment "config" of type "text/plain" (66055 bytes)