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From: Peter Zijlstra <>
Subject: Re: [PATCH 0/2] perf_events: add support for Intel fixed counter 2
Date: Fri, 04 Feb 2011 14:12:40 +0100	[thread overview]
Message-ID: <1296825160.26581.652.camel@laptop> (raw)
In-Reply-To: <>

On Fri, 2011-02-04 at 14:00 +0200, Stephane Eranian wrote:

> This series of patches solves this problem by introducing a custom
> encoding for UNHALTED_REFERENCE_CYCLES (0xff3c) and improving
> the constraint infrastructure to handle events which can ONLY be
> measured on fixed counters.

Right, so the only problem I can see with this is that Intel will at
some point in the future put an actual event there.

  reply	other threads:[~2011-02-04 13:11 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-02-04 12:00 Stephane Eranian
2011-02-04 13:12 ` Peter Zijlstra [this message]
2011-02-04 13:19   ` Stephane Eranian
2011-02-05 15:19     ` Stephane Eranian
2011-02-06 19:55       ` Cyrill Gorcunov

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