linux-kernel - Re: [PATCH 0/4] perf script: Add script per-event-dump support

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Message-ID: <20170918072602.GB11683@krava>
Date:   Mon, 18 Sep 2017 09:26:02 +0200
From:   Jiri Olsa <jolsa@...hat.com>
To:     yuzhoujian <ufo19890607@...il.com>
Cc:     peterz@...radead.org, mingo@...hat.com,
        alexander.shishkin@...ux.intel.com, jolsa@...nel.org,
        dsahern@...il.com, namhyung@...nel.org, milian.wolff@...b.com,
        arnaldo.melo@...il.com, yuzhoujian@...ichuxing.com,
        linux-perf-users@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/4] perf script: Add script per-event-dump support

On Mon, Sep 18, 2017 at 01:55:18PM +0800, yuzhoujian wrote:
> Introduce a new option to print trace output to files named by the
> monitored events and update perf-script documentation accordingly.
> 
> Shown below is output of perf script command with the newly introduced
> option.
> 
>         $perf record -e cycles -e context-switches -ag -- sleep 10
>         $perf script --per-event-dump
>         $ls /
>         cycles.stacks context-switches.stacks

hum, how adding -e option to be consistent with record, like:

	$ perf record -e cycles -e context-switches ...

	$ perf script -e cycles
	--- dumps only cycles to perf.data

	$ perf report -e cycles 
	--- displays only cycles

thanks,
jirka