From: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
To: David Ahern <dsahern@gmail.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>,
Linus Torvalds <torvalds@linux-foundation.org>,
Ingo Molnar <mingo@redhat.com>,
linux-kernel@vger.kernel.org
Subject: Re: Perf events warning..
Date: Tue, 15 May 2012 12:46:59 -0300 [thread overview]
Message-ID: <20120515154659.GA7864@infradead.org> (raw)
In-Reply-To: <4FB2755F.9020606@gmail.com>
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
next prev parent reply other threads:[~2012-05-15 15:47 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-11 15:43 Perf events warning Linus Torvalds
2012-05-14 22:20 ` Peter Zijlstra
2012-05-14 22:25 ` David Ahern
2012-05-14 22:25 ` Linus Torvalds
2012-05-15 10:49 ` Peter Zijlstra
2012-05-15 15:25 ` David Ahern
2012-05-15 15:28 ` Peter Zijlstra
2012-05-15 15:37 ` David Ahern
2012-05-16 1:38 ` Namhyung Kim
2012-05-21 6:06 ` Namhyung Kim
2012-05-15 15:46 ` Arnaldo Carvalho de Melo [this message]
2012-05-15 15:48 ` Linus Torvalds
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