linux-kernel - Re: [PATCH 3/3] perf stat: Add --per-numa agregation support

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Message-ID: <20190902154329.GE8396@kernel.org>
Date:   Mon, 2 Sep 2019 12:43:29 -0300
From:   Arnaldo Carvalho de Melo <arnaldo.melo@...il.com>
To:     Alexey Budankov <alexey.budankov@...ux.intel.com>
Cc:     Jiri Olsa <jolsa@...nel.org>, lkml <linux-kernel@...r.kernel.org>,
        Ingo Molnar <mingo@...nel.org>,
        Namhyung Kim <namhyung@...nel.org>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Peter Zijlstra <a.p.zijlstra@...llo.nl>,
        Michael Petlan <mpetlan@...hat.com>,
        Joe Mario <jmario@...hat.com>,
        Kan Liang <kan.liang@...ux.intel.com>,
        Andi Kleen <ak@...ux.intel.com>
Subject: Re: [PATCH 3/3] perf stat: Add --per-numa agregation support

Em Mon, Sep 02, 2019 at 06:13:17PM +0300, Alexey Budankov escreveu:
> 
> On 02.09.2019 15:12, Jiri Olsa wrote:
> > Adding new --per-numa option to aggregate counts per NUMA
> > nodes for system-wide mode measurements.
> > 
> > You can specify --per-numa in live mode:
> > 
> >   # perf stat  -a -I 1000 -e cycles --per-numa
> >   #           time numa   cpus             counts unit events
> 
> It might probably better have 'node' instead of 'numa' as in the 
> option name '--per-node' as in the table header, like this:

Agreed

> 
>     #           time node     cpus             counts unit events
>          1.000542550 0        20          6,202,097      cycles
>          1.000542550 1        20            639,559      cycles
>          2.002040063 0        20          7,412,495      cycles
>          2.002040063 1        20          2,185,577      cycles
>          3.003451699 0        20          6,508,917      cycles
>          3.003451699 1        20            765,607      cycles
>    ...
> 
> BR,
> Alexey

-- 

- Arnaldo