linux-kernel - Re: [PATCHSET 0/5] perf report: Make --stat output more compact

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Date:   Sun, 25 Apr 2021 21:31:47 -0700
From:   Andi Kleen <ak@...ux.intel.com>
To:     Namhyung Kim <namhyung@...nel.org>
Cc:     Arnaldo Carvalho de Melo <acme@...nel.org>,
        Jiri Olsa <jolsa@...hat.com>, Ingo Molnar <mingo@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Mark Rutland <mark.rutland@....com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        LKML <linux-kernel@...r.kernel.org>,
        Ian Rogers <irogers@...gle.com>
Subject: Re: [PATCHSET 0/5] perf report: Make --stat output more compact

> Hmm.. do you want something like this?
> 
>              TOTAL events:      20064
>               MMAP events:        239   ( 1.2%)
>               COMM events:       1518   ( 7.6%)
>               EXIT events:          1   (0.0%)
>               FORK events:       1517   (7.6%)
>             SAMPLE events:       4015   (20.0%)
>              MMAP2 events:      12769   (63.6%)

Yes that's it.

Really shows how inefficient perf is for short measurement
periods.

-Andi