From: Peter Zijlstra <peterz@infradead.org>
To: eranian@google.com
Cc: linux-kernel@vger.kernel.org, mingo@elte.hu, paulus@samba.org,
davem@davemloft.net, fweisbec@gmail.com,
perfmon2-devel@lists.sf.net, eranian@gmail.com,
robert.richter@amd.com, acme@redhat.com, gorcunov@gmail.com,
ming.m.lin@intel.com
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: <4d4bf9ac.cf03d90a.2908.2186@mx.google.com>
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.
next prev parent 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 [PATCH 0/2] perf_events: add support for Intel fixed counter 2 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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