linux-kernel - Re: [PATCH] perf, x86: Enabled PEBS event to be exported in a raw format

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Message-ID: <CABPqkBSKQ1r_XvKZX5d59Jx3CJ8WoXsO1JJ4KfSiMng4EbH3tA@mail.gmail.com>
Date:	Thu, 28 Jun 2012 18:15:58 +0200
From:	Stephane Eranian <eranian@...gle.com>
To:	Peter Zijlstra <peterz@...radead.org>
Cc:	Feng Tang <feng.tang@...el.com>,
	Arnaldo Carvalho de Melo <acme@...hat.com>,
	Ingo Molnar <mingo@...e.hu>, linux-kernel@...r.kernel.org,
	x86@...nel.org, Andi Kleen <ak@...ux.intel.com>
Subject: Re: [PATCH] perf, x86: Enabled PEBS event to be exported in a raw format

I will cover some useful use cases with my PEBS-LL patchset + perf support.

On Thu, Jun 28, 2012 at 6:12 PM, Peter Zijlstra <peterz@...radead.org> wrote:
> On Fri, 2012-06-29 at 00:00 +0800, Feng Tang wrote:
>> From: Andi Kleen <ak@...ux.intel.com>
>>
>> Add support for reporting PEBS records in a raw format that can
>> be then parsed by perf script.
>>
>> This is roughly similar to the existing AMD IBS support.
>>
>> This is mainly for advanced users and to experiment with
>> new usages. Widespread PEBS usages are expected to get higher
>> level interfaces over time, like the existing "precise ip" support.
>>
>> [Small fix of adding "data.raw = &raw;", thanks to Andi, with this
>> patch I can test my perf script with pebs samples. - Feng]
>>
>> Signed-off-by: Andi Kleen <ak@...ux.intel.com>
>> Signed-off-by: Feng Tang <feng.tang@...el.com>
>
> Not without a useful userspace part. Preferably not a script.
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