linux-kernel - Re: [PATCH 09/10] perf, tools: Add a --no-desc flag to perf list

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Date:	Thu, 28 May 2015 11:07:05 -0700
From:	Andi Kleen <ak@...ux.intel.com>
To:	Jiri Olsa <jolsa@...hat.com>
Cc:	Sukadev Bhattiprolu <sukadev@...ux.vnet.ibm.com>, mingo@...hat.com,
	Michael Ellerman <mpe@...erman.id.au>,
	Arnaldo Carvalho de Melo <acme@...nel.org>,
	Paul Mackerras <paulus@...ba.org>, namhyung@...nel.org,
	linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 09/10] perf, tools: Add a --no-desc flag to perf list

On Thu, May 28, 2015 at 02:39:14PM +0200, Jiri Olsa wrote:
> On Wed, May 27, 2015 at 02:23:28PM -0700, Sukadev Bhattiprolu wrote:
> > From: Andi Kleen <ak@...ux.intel.com>
> > 
> > Add a --no-desc flag to perf list to not print the event descriptions
> > that were earlier added for JSON events. This may be useful to
> > get a less crowded listing.
> > 
> > It's still default to print descriptions as that is the more useful
> > default for most users.
> 
> I might not be typical user, but the first thing I tried to
> explore was 'perf list -v' ;-)
> 
> would it be better to have just the list with event names for:
>    $ perf list
> 
> and with descriptions for:
>    $ perf list -v
> 
> not sure we already discussed this..

It was discussed last time. I think it's better to have descriptions
by default. Far more user friendly.

One thing we could in theory do with -v is to switch between Brief and Public
Description (the later is often more verbose). Would need some changes
to the alias code to have two descriptions though.

-Andi


-- 
ak@...ux.intel.com -- Speaking for myself only
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