linux-kernel - Re: [PATCH] perf stat: Correct --no-aggr description

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Message-ID: <20170320133758.GA27647@kernel.org>
Date:   Mon, 20 Mar 2017 10:37:58 -0300
From:   Arnaldo Carvalho de Melo <acme@...nel.org>
To:     Ravi Bangoria <ravi.bangoria@...ux.vnet.ibm.com>
Cc:     peterz@...radead.org, mingo@...hat.com,
        alexander.shishkin@...ux.intel.com, jolsa@...hat.com,
        ak@...ux.intel.com, eranian@...gle.com,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] perf stat: Correct --no-aggr description

Em Mon, Mar 20, 2017 at 06:07:18PM +0530, Ravi Bangoria escreveu:
> Description of --no-aggr in perf-stat man page is outdated. --no-aggr
> can also be used while profiling specific set of cpus. For ex,
> 
>   $ perf stat -e cycles,instructions -C 1-2 --no-aggr -- sleep 1
> 
>     Performance counter stats for 'CPU(s) 1-2':
> 
>     CPU1   5,94,92,795   cycles
>     CPU2   2,69,72,403   cycles
>     CPU1   2,02,08,327   instructions   # 0.34 insn per cycle
>     CPU2     73,17,123   instructions   # 0.12 insn per cycle
> 
>     1.000989132 seconds time elapsed

Thanks, applied.

- Arnaldo