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Date: Tue, 15 Dec 2015 10:03:29 +0100
From: Jiri Olsa <jolsa@redhat.com>
To: Namhyung Kim <namhyung@kernel.org>
Cc: Arnaldo Carvalho de Melo <acme@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: <20151215090329.GE16565@krava.brq.redhat.com>
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 <1450107973-2447-7-git-send-email-namhyung@kernel.org>
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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?

jirka