linux-kernel - Re: [PATCH 1/5] perf, x86: Improve basic Ivy Bridge support v3

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Date:	Mon, 02 Jul 2012 21:26:34 +0200
From:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
To:	Andi Kleen <andi@...stfloor.org>
Cc:	x86@...nel.org, linux-kernel@...r.kernel.org,
	Andi Kleen <ak@...ux.intel.com>
Subject: Re: [PATCH 1/5] perf, x86: Improve basic Ivy Bridge support v3

On Mon, 2012-07-02 at 11:43 -0700, Andi Kleen wrote:
> - As Stephane pointed out .code=0xb1, .umask=0x01 is gone from the
> event list,
> so don't do a generic backend stall event on IvyBridge. 

325462-043US, May 2012:

Page 3135, Table 19-2. Non-Architectural Performance Events In the
Processor Core of Third Generation Intel Core i7, i5, i3 Processors

(aka. IvyBridge)

B1H 01H UOPS_EXECUTED.THREAD Counts total number of uops to be
                             executed per-thread each cycle. Set
                             Cmask = 1, INV =1 to count stall
                             cycles.

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