linux-kernel - Re: [PATCH] perf: Fix inheritance of aux

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Date:   Mon, 07 Oct 2019 18:01:21 +0300
From:   Alexander Shishkin <alexander.shishkin@...ux.intel.com>
To:     Ingo Molnar <mingo@...nel.org>
Cc:     Peter Zijlstra <a.p.zijlstra@...llo.nl>,
        Arnaldo Carvalho de Melo <acme@...hat.com>,
        Ingo Molnar <mingo@...hat.com>, linux-kernel@...r.kernel.org,
        alexander.shishkin@...ux.intel.com
Subject: Re: [PATCH] perf: Fix inheritance of aux_output groups

Ingo Molnar <mingo@...nel.org> writes:

> * Alexander Shishkin <alexander.shishkin@...ux.intel.com> wrote:
>
>> Commit
>> 
>>   b43762ef010 ("perf: Allow normal events to output AUX data")
>
> Missing 'a', the proper SHA1 is:
>
>     ab43762ef010 ("perf: Allow normal events to output AUX data")
>
> :-)

Ouch, sorry about that.

> Could this explain weird 'perf top' failures I'm seeing on my desktop, 
> which I was just about to debug and report?

Unlikely; to trigger the above you'd have to manually enable the
aux_output thingy and that would require HW support to begin with.

Thanks,
--
Alex