linux-kernel - Re: [PATCH] perf tool sort: Use default sort if evlist is empty

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Date:   Wed, 26 Jul 2017 17:03:25 -0300
From:   Arnaldo Carvalho de Melo <acme@...nel.org>
To:     David Carrillo-Cisneros <davidcc@...gle.com>
Cc:     linux-kernel@...r.kernel.org, Ingo Molnar <mingo@...hat.com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Andi Kleen <ak@...ux.intel.com>, Simon Que <sque@...omium.org>,
        Wang Nan <wangnan0@...wei.com>, Jiri Olsa <jolsa@...nel.org>,
        Namhyung Kim <namhyung@...nel.org>,
        Stephane Eranian <eranian@...gle.com>,
        Paul Turner <pjt@...gle.com>
Subject: Re: [PATCH] perf tool sort: Use default sort if evlist is empty

Em Thu, Jul 20, 2017 at 10:11:57PM -0700, David Carrillo-Cisneros escreveu:
> Fixes bug noted by Jiri in https://lkml.org/lkml/2017/6/13/755 and caused
> by commit d49dadea7862 ("perf tools: Make 'trace' or 'trace_fields' sort
>    key default for tracepoint events")
> not taking into account that evlist is empty in pipe-mode.
> 
> Before this commit, pipe mode will only show bogus "100.00%  N/A" instead
> of correct output as follows:
> 

Thanks, tested and applied.

- Arnaldo