linux-kernel - Re: [PATCH -tip] perf: x86, add SandyBridge support

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Message-ID: <1298624346.2835.88.camel@minggr.sh.intel.com>
Date:	Fri, 25 Feb 2011 16:59:06 +0800
From:	Lin Ming <ming.m.lin@...el.com>
To:	Stephane Eranian <eranian@...gle.com>
Cc:	Ingo Molnar <mingo@...e.hu>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Andi Kleen <andi@...stfloor.org>,
	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH -tip] perf: x86, add SandyBridge support

On Fri, 2011-02-25 at 16:56 +0800, Stephane Eranian wrote:
> Lin,
> 
> I have a patch almost ready that updates the PEBS constraints for all CPUs.
> I'll add the SNB constraints as well.

Nice.

Thanks.

> 
> On Fri, Feb 25, 2011 at 9:55 AM, Lin Ming <ming.m.lin@...el.com> wrote:
> > On Fri, 2011-02-25 at 00:57 +0800, Ingo Molnar wrote:
> >> * Lin Ming <ming.m.lin@...el.com> wrote:
> >>
> >> > Adds SandyBridge support to perf.
> >>
> >> Wondering, have you tested things like PEBS? You can do it via:
> >>
> >>       perf record -e instructions:p -a sleep 10
> >>       perf top -e instructions:p
> >>
> >> ('p' stands for 'precise')
> >
> > Let me do more PEBS tests...
> >
> >>
> >> Also, please list known limitations in the changelog.
> >
> > OK.
> >
> >>
> >> Thanks,
> >>
> >>       Ingo
> >
> >
> >


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