linux-kernel - Re: Perf events warning..

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Date:	Tue, 15 May 2012 12:46:59 -0300
From:	Arnaldo Carvalho de Melo <acme@...stprotocols.net>
To:	David Ahern <dsahern@...il.com>
Cc:	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Ingo Molnar <mingo@...hat.com>, linux-kernel@...r.kernel.org
Subject: Re: Perf events warning..

Em Tue, May 15, 2012 at 09:25:19AM -0600, David Ahern escreveu:
> Perhaps it is specific to processor generation? Yesterday I noted
> that perf-stat -g trips a WARNING only on Nehalem. Westmere works
> fine - perf-stat -g generates output and no warning is triggered.
> Arnaldo is using Sandy Bridge - though it's not clear if his success
> (3.4.0-rc3 on server named sandy) or fail (3.4.0-rc4-uprobes on
> felicio) was on a SNB.

Both are sandy bridges, sandy is a notebook (Intel(R) Core(TM)
i7-2920XM), felicio is a desktop (Intel(R) Core(TM) i5-2400).

- Arnaldo
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