From: Peter Zijlstra <a.p.zijlstra@chello.nl>
To: Andi Kleen <ak@linux.intel.com>
Cc: Andi Kleen <andi@firstfloor.org>,
linux-kernel@vger.kernel.org, fweisbec@gmail.com, mingo@elte.hu,
acme@redhat.com, eranian@google.com
Subject: Re: [PATCH 1/3] perf-events: Add support for supplementary event registers
Date: Thu, 11 Nov 2010 20:49:14 +0100 [thread overview]
Message-ID: <1289504954.2084.181.camel@laptop> (raw)
In-Reply-To: <4CDC47C3.3040102@linux.intel.com>
On Thu, 2010-11-11 at 20:45 +0100, Andi Kleen wrote:
> > Can we make it so, that is, move that int inside the intel_percore
> > struct?
> >
>
> It's needed per cpu. Basically the flag says "bother to look into the
> percore structure"
> This way most of this is kept out of the fast paths. But one CPU in a core
> may need it and the other not.
>
> In principle it could be merged into some other cpuc flag word if you
> have any suggestions.
Nah, I missed that detail, having it as is seems fine.
prev parent reply other threads:[~2010-11-11 19:49 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-11-11 16:15 [PATCH 1/3] perf-events: Add support for supplementary event registers Andi Kleen
2010-11-11 16:15 ` [PATCH 2/3] perf: Add support for extra parameters for raw events Andi Kleen
2010-11-11 17:54 ` Corey Ashford
2010-11-11 18:39 ` Andi Kleen
2010-11-11 19:38 ` Corey Ashford
2010-11-11 19:49 ` Andi Kleen
2010-11-11 19:59 ` Peter Zijlstra
2010-11-11 20:12 ` Andi Kleen
2010-11-11 20:37 ` Peter Zijlstra
2010-11-12 10:27 ` Andi Kleen
2010-11-12 10:49 ` Stephane Eranian
2010-11-12 11:36 ` Peter Zijlstra
2010-11-12 13:00 ` Stephane Eranian
2010-11-12 13:21 ` Peter Zijlstra
2010-11-12 14:03 ` Stephane Eranian
2010-11-12 13:30 ` Frederic Weisbecker
2010-11-12 15:00 ` Stephane Eranian
2010-11-12 10:41 ` Stephane Eranian
2010-11-12 10:48 ` Peter Zijlstra
2010-11-12 10:39 ` Stephane Eranian
2010-11-12 10:48 ` Andi Kleen
2010-11-12 10:52 ` Stephane Eranian
2010-11-12 10:56 ` Stephane Eranian
2010-11-11 16:15 ` [PATCH 3/3] perf-events: Fix LLC-* events on Intel Nehalem/Westmere Andi Kleen
2010-11-11 17:35 ` [PATCH/FIX] perf-events: Put the per cpu state for intel_pmu too Andi Kleen
2010-11-11 17:54 ` Stephane Eranian
2010-11-11 18:44 ` Andi Kleen
2010-11-11 21:29 ` Stephane Eranian
2010-11-11 18:06 ` [PATCH 1/3] perf-events: Add support for supplementary event registers Stephane Eranian
2010-11-11 18:42 ` Andi Kleen
2010-11-11 19:09 ` Peter Zijlstra
2010-11-11 19:25 ` Andi Kleen
2010-11-11 19:36 ` Peter Zijlstra
2010-11-11 19:45 ` Andi Kleen
2010-11-11 19:49 ` Peter Zijlstra [this message]
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