From: Yong Wang <yong.y.wang@linux.intel.com>
To: Ingo Molnar <mingo@elte.hu>
Cc: linux-kernel@vger.kernel.org,
Peter Zijlstra <a.p.zijlstra@chello.nl>,
Mike Galbraith <efault@gmx.de>,
Arjan van de Ven <arjan@infradead.org>,
"H. Peter Anvin" <hpa@zytor.com>
Subject: Re: [PATCH -tip] perf_counter/x86: Add a quirk for Atom processors
Date: Fri, 12 Jun 2009 21:26:10 +0800 [thread overview]
Message-ID: <20090612132610.GA8634@ywang-moblin2.bj.intel.com> (raw)
In-Reply-To: <20090612114948.GD16044@elte.hu>
On Fri, Jun 12, 2009 at 01:49:48PM +0200, Ingo Molnar wrote:
>
> * Yong Wang <yong.y.wang@linux.intel.com> wrote:
>
> > The fixed-function performance counters do not work on current
> > Atom processors. Use the general-purpose ones instead.
>
> ah, nice - applied to tip:perfcounters/core, thanks!
>
> Does this make your Atom testbox work fine now?
>
Yup, I tested the patch before I submitted it. It works fine now;-)
I will also keep an eye on future Atom processors to see whether fixed
function PMCs work or not.
Thanks
-Yong
next prev parent reply other threads:[~2009-06-12 13:49 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-06-12 8:08 [PATCH -tip] perf_counter/x86: Add a quirk for Atom processors Yong Wang
2009-06-12 11:49 ` Ingo Molnar
2009-06-12 13:26 ` Yong Wang [this message]
2009-06-12 11:51 ` [tip:perfcounters/core] " tip-bot for Yong Wang
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