linux-kernel - Re: [PATCH] perf: correct SNOOPX field offset

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Date:   Wed, 26 Aug 2020 15:33:35 +0100
From:   Al Grant <al.grant@...s.arm.com>
To:     Arnaldo Carvalho de Melo <acme@...hat.com>,
        Andi Kleen <ak@...ux.intel.com>
Cc:     linux-perf-users@...r.kernel.org, linux-kernel@...r.kernel.org,
        acme@...nel.org
Subject: Re: [PATCH] perf: correct SNOOPX field offset

On 26/08/2020 15:26, Arnaldo Carvalho de Melo wrote:
> Em Tue, Aug 25, 2020 at 10:40:43AM -0700, Andi Kleen escreveu:
>> On Mon, Aug 24, 2020 at 10:28:34AM +0100, Al Grant wrote:
>>> perf_event.h has macros that define the field offsets in the
>>> data_src bitmask in perf records. The SNOOPX and REMOTE offsets
>>> were both 37. These are distinct fields, and the bitfield layout
>>> in perf_mem_data_src confirms that SNOOPX should be at offset 38.
>>
>> Looks good.
>>
>> Reviewed-by: Andi Kleen <ak@...ux.intel.com>
>>
>> Probably should have a Fixes: header
> 
> Please do so, find the patch that introduced the error, add the Fixes
> tag, will help me not having to do it myself :-)

Fixes: 52839e653b562 ("perf tools: Add support for printing new mem_info 
encodings")