linux-kernel - Re: [PATCH 1/2] perf report: Add --header/--header-only options

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Message-ID: <20131210101202.GB8108@krava.brq.redhat.com>
Date:	Tue, 10 Dec 2013 11:12:02 +0100
From:	Jiri Olsa <jolsa@...hat.com>
To:	Namhyung Kim <namhyung@...nel.org>
Cc:	linux-kernel@...r.kernel.org,
	Corey Ashford <cjashfor@...ux.vnet.ibm.com>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Ingo Molnar <mingo@...e.hu>, Paul Mackerras <paulus@...ba.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Arnaldo Carvalho de Melo <acme@...stprotocols.net>,
	David Ahern <dsahern@...il.com>
Subject: Re: [PATCH 1/2] perf report: Add --header/--header-only options

On Tue, Dec 10, 2013 at 09:12:10AM +0900, Namhyung Kim wrote:
> On Mon,  9 Dec 2013 11:02:49 +0100, Jiri Olsa wrote:
> > Currently the perf.data header is always displayed for stdio
> > output, which is no always useful.
> >
> > Disabling header information by default and adding following
> > options to control header output:
> >   --header      - display header information (old default)
> >   --header-only - display header information only w/o further
> >                   processing, forces stdio output
> >
> [SNIP]
> > +--header
> > +	Show perf.data header.
> 
> This explanation looks too terse.  How about this?
> 
> 	Show header information in the perf.data file.  This includes
>         various information like hostname, os and perf version, cpu/mem
>         info, perf command line, event list and so on.  Currently only
>         --stdio output supports this feature.

sounds good, I will use it

thanks,
jirka
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