linux-kernel - Re: [PATCH 1/2] perf intel-pt-decoder: Report instruction bytes and length in sample

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Message-ID: <f3d9e2ea-39ac-365c-6147-39348c0b5a32@intel.com>
Date:   Fri, 7 Oct 2016 16:45:18 +0300
From:   Adrian Hunter <adrian.hunter@...el.com>
To:     Arnaldo Carvalho de Melo <acme@...nel.org>
Cc:     Andi Kleen <andi@...stfloor.org>, linux-kernel@...r.kernel.org,
        Andi Kleen <ak@...ux.intel.com>
Subject: Re: [PATCH 1/2] perf intel-pt-decoder: Report instruction bytes and
 length in sample

On 05/10/16 14:36, Arnaldo Carvalho de Melo wrote:
> Em Mon, Oct 03, 2016 at 05:30:32PM -0700, Andi Kleen escreveu:
>> From: Andi Kleen <ak@...ux.intel.com>
>>
>> Change the Intel PT decoder to pass up the length and the instruction
>> bytes of the decoded or sampled instruction in the perf sample.
>>
>> The decoder already knows this information, we just need to pass it
>> up. Since it is only a couple of movs it is not very expensive.
>>
>> Used in the next patch.
> 
> Adrian, Ack?

I did a little tidy-up in Intel PT / BTS and re-based Andi's patch with my
SOB.  Please see V3 patch I sent.