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

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Date:	Fri, 25 Feb 2011 09:56:05 +0100
From:	Stephane Eranian <eranian@...gle.com>
To:	Lin Ming <ming.m.lin@...el.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

Lin,

I have a patch almost ready that updates the PEBS constraints for all CPUs.
I'll add the SNB constraints as well.

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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