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Message-ID: <20180607190029.GD17292@kernel.org>
Date: Thu, 7 Jun 2018 16:00:29 -0300
From: Arnaldo Carvalho de Melo <acme@...nel.org>
To: Jiri Olsa <jolsa@...nel.org>
Cc: Peter Zijlstra <a.p.zijlstra@...llo.nl>,
lkml <linux-kernel@...r.kernel.org>,
Ingo Molnar <mingo@...nel.org>,
Namhyung Kim <namhyung@...nel.org>,
David Ahern <dsahern@...il.com>,
Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
Stephane Eranian <eranian@...gle.com>,
Milian Wolff <milian.wolff@...b.com>,
Andi Kleen <andi@...stfloor.org>,
Frederic Weisbecker <frederic@...nel.org>
Subject: Re: [PATCH 05/10] perf stat: Fix metric column display
Em Thu, Jun 07, 2018 at 12:15:08AM +0200, Jiri Olsa escreveu:
> Make the metric only display aligned.
>
> Before:
> # perf stat --topdown -I 1000
> # time core cpus retiring bad speculation frontend bound backend bound
> 1.000394323 S0-C0 2 37.4% 12.0% 31.4% 19.2%
> 1.000394323 S0-C1 2 25.1% 9.2% 43.8% 21.9%
> 2.001521204 S0-C0 2 36.4% 11.4% 32.4% 19.8%
> 2.001521204 S0-C1 2 26.2% 9.4% 43.1% 21.3%
> 3.001930208 S0-C0 2 35.1% 10.7% 33.6% 20.6%
> 3.001930208 S0-C1 2 28.9% 10.0% 40.0% 21.1%
>
> After:
> # perf stat --topdown -I 1000
> # time core cpus retiring bad speculation frontend bound backend bound
> 1.000303722 S0-C0 2 34.2% 7.6% 34.2% 24.0%
> 1.000303722 S0-C1 2 33.1% 6.4% 36.9% 23.6%
> 2.001281055 S0-C0 2 34.6% 6.7% 36.8% 21.8%
> 2.001281055 S0-C1 2 32.8% 7.1% 38.1% 22.0%
> 3.001546080 S0-C0 2 39.3% 5.5% 32.7% 22.5%
> 3.001546080 S0-C1 2 37.8% 6.0% 33.1% 23.1%
Thanks, tested, applied.
- Arnaldo
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