Re: [PATCH 6/6] perf tools: Try to show pretty printed output for dynamic sort keys

From	Jiri Olsa <jolsa@redhat.com>
Newsgroups	linux.kernel
Subject	Re: [PATCH 6/6] perf tools: Try to show pretty printed output for dynamic sort keys
Date	2015-12-15 14:00 +0100
Message-ID	<qFXmW-4ea-25@gated-at.bofh.it> (permalink)
References	(2 earlier) <qFTMn-1YA-11@gated-at.bofh.it> <qFVbs-2PM-15@gated-at.bofh.it> <qFWKe-3YP-13@gated-at.bofh.it> <qFWTV-42L-29@gated-at.bofh.it> <qFXdg-4aK-3@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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On Tue, Dec 15, 2015 at 09:42:31PM +0900, Namhyung Kim wrote:
> On Tue, Dec 15, 2015 at 01:24:26PM +0100, Jiri Olsa wrote:
> > On Tue, Dec 15, 2015 at 09:13:20PM +0900, Namhyung Kim wrote:
> > > On Tue, Dec 15, 2015 at 07:36:37AM -0300, Arnaldo Carvalho de Melo wrote:
> > > > 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?
> > > 
> > > OK.  Maybe something like 'kmem:kmalloc.gfp_flags/raw' ?
> > 
> > ok.. and some option that would make it happen globaly ;-)
> 
> How about '--raw-trace' then?

sounds good to me

thanks,
jirka
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[PATCH 6/6] perf tools: Try to show pretty printed output for dynamic sort keys Namhyung Kim <namhyung@kernel.org> - 2015-12-14 16:50 +0100
  Re: [PATCH 6/6] perf tools: Try to show pretty printed output for  dynamic sort keys Jiri Olsa <jolsa@redhat.com> - 2015-12-15 10:10 +0100
    Re: [PATCH 6/6] perf tools: Try to show pretty printed output for  dynamic sort keys Arnaldo Carvalho de Melo <acme@kernel.org> - 2015-12-15 11:40 +0100
      Re: [PATCH 6/6] perf tools: Try to show pretty printed output for  dynamic sort keys Namhyung Kim <namhyung@kernel.org> - 2015-12-15 13:20 +0100
        Re: [PATCH 6/6] perf tools: Try to show pretty printed output for  dynamic sort keys Jiri Olsa <jolsa@redhat.com> - 2015-12-15 13:30 +0100
          Re: [PATCH 6/6] perf tools: Try to show pretty printed output for  dynamic sort keys Namhyung Kim <namhyung@kernel.org> - 2015-12-15 13:50 +0100
            Re: [PATCH 6/6] perf tools: Try to show pretty printed output for  dynamic sort keys Jiri Olsa <jolsa@redhat.com> - 2015-12-15 14:00 +0100

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