linux-kernel - Re: [PATCH 0/3] perf_events: update extra shared registers management (v2)

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Message-ID: <1306163720.18455.17.camel@twins>
Date:	Mon, 23 May 2011 17:15:20 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Stephane Eranian <eranian@...gle.com>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	"mingo@...e.hu" <mingo@...e.hu>, Andi Kleen <andi@...stfloor.org>,
	Lin Ming <ming.m.lin@...el.com>
Subject: Re: [PATCH 0/3] perf_events: update extra shared registers
 management (v2)

On Mon, 2011-05-23 at 13:56 +0200, Stephane Eranian wrote:
> On Mon, May 23, 2011 at 1:11 PM, Peter Zijlstra <peterz@...radead.org> wrote:
> > On Mon, 2011-05-23 at 12:58 +0200, Stephane Eranian wrote:
> >> >> event->hw.config &= ~X86_RAW_EVENT_MASK;
> >>
> >> Not quite, you want INTEL_ARCH_EVENT_MASK instead
> >> because you only want to modify umask+event code.
> >
> > Do EDGE,INV,CMASK actually make a difference for the OFFCORE event?
> >
> The effect of those filters is independent of the event.

OK.
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