From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <linux-kernel-owner@vger.kernel.org>
Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand
	id S964973AbbLOKgn (ORCPT <rfc822;w@1wt.eu>);
	Tue, 15 Dec 2015 05:36:43 -0500
Received: from mail.kernel.org ([198.145.29.136]:44967 "EHLO mail.kernel.org"
	rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP
	id S964803AbbLOKgl (ORCPT <rfc822;linux-kernel@vger.kernel.org>);
	Tue, 15 Dec 2015 05:36:41 -0500
Date: Tue, 15 Dec 2015 07:36:37 -0300
From: Arnaldo Carvalho de Melo <acme@kernel.org>
To: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>, Ingo Molnar <mingo@kernel.org>,
        Peter Zijlstra <a.p.zijlstra@chello.nl>,
        LKML <linux-kernel@vger.kernel.org>, David Ahern <dsahern@gmail.com>,
        Steven Rostedt <rostedt@goodmis.org>,
        Frederic Weisbecker <fweisbec@gmail.com>,
        Andi Kleen <andi@firstfloor.org>, Wang Nan <wangnan0@huawei.com>
Subject: Re: [PATCH 6/6] perf tools: Try to show pretty printed output for
 dynamic sort keys
Message-ID: <20151215103637.GZ6843@kernel.org>
References: <1450107973-2447-1-git-send-email-namhyung@kernel.org>
 <1450107973-2447-7-git-send-email-namhyung@kernel.org>
 <20151215090329.GE16565@krava.brq.redhat.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <20151215090329.GE16565@krava.brq.redhat.com>
X-Url: http://acmel.wordpress.com
User-Agent: Mutt/1.5.23 (2014-03-12)
Sender: linux-kernel-owner@vger.kernel.org
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org

Em Tue, Dec 15, 2015 at 10:03:29AM +0100, Jiri Olsa escreveu:
> On Tue, Dec 15, 2015 at 12:46:13AM +0900, Namhyung Kim wrote:
> > Each tracepoint event has format string for print to improve
> > readability.  Try to parse the output and match the field name.  If it
> > finds one, use that for the result.  If not, fallbacks to the original
> > output.
> > 
> > For example, sort on kmem:kmalloc.gfp_flags looks like below:
> > (Note: libtraceevent plugins are not installed on my system.  They might
> > affect the output below)
> > 
> > Before:
> >   # Overhead  Command   gfp_flags
> >   # ........  .......  ..........
> >   #
> >       99.89%  perf          32848
> >        0.06%  sleep           208
> >        0.03%  perf          32976
> >        0.01%  perf            208
> > 
> > After:
> >   # Overhead  Command            gfp_flags
> >   # ........  .......  ...................
> >   #
> >       99.89%  perf       GFP_NOFS|GFP_ZERO
> >        0.06%  sleep             GFP_KERNEL
> >        0.03%  perf     GFP_KERNEL|GFP_ZERO
> >        0.01%  perf              GFP_KERNEL
> 
> hum, maybe we want some way to switch back to numbers?

Or remove repetitive stuff like GFP_? I guess this was done already for
perf kmem?

- Arnaldo