linux-kernel - Re: [PATCH 13/15] perf script: Display data

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Message-ID: <20160224191805.GC24004@krava.redhat.com>
Date:	Wed, 24 Feb 2016 20:18:05 +0100
From:	Jiri Olsa <jolsa@...hat.com>
To:	Arnaldo Carvalho de Melo <acme@...nel.org>
Cc:	Jiri Olsa <jolsa@...nel.org>, lkml <linux-kernel@...r.kernel.org>,
	David Ahern <dsahern@...il.com>,
	Ingo Molnar <mingo@...nel.org>,
	Namhyung Kim <namhyung@...nel.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Stephane Eranian <eranian@...gle.com>,
	Andi Kleen <ak@...ux.intel.com>
Subject: Re: [PATCH 13/15] perf script: Display data_src values

On Wed, Feb 24, 2016 at 10:34:28AM -0300, Arnaldo Carvalho de Melo wrote:
> Em Wed, Feb 24, 2016 at 09:46:54AM +0100, Jiri Olsa escreveu:
> > Adding support to display data_src values,
> > for events with data_src data in sample.
> 
> While testing patches in this series I noticed this:
> 
> [root@...et ~]# perf mem record -a
>   Error: unknown switch `a'
> 
>  Usage: perf mem record [<options>] [<command>]
>     or: perf mem record [<options>] -- <command> [<options>]
> 
>     -e, --event <event>   event selector. use 'perf mem record -e list' to list available events
>     -v, --verbose         be more verbose (show counter open errors, etc)
> 
> [root@...et ~]# perf mem record -- -a
> ^C[ perf record: Woken up 1 times to write data ]
> [ perf record: Captured and wrote 3.149 MB perf.data (173 samples) ]
> 
> [root@...et ~]#
> 
> 
> 
> Can't we imply the -- after 'record', i.e pass everything after 'record'
> to the underlying 'perf record' call?

I'll check on that, and try to have it in next version

jirka