linux-kernel - Re: [GIT PULL 0/1] perf/core ui browser improvement

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Message-ID: <20100914121611.GD12425@elte.hu>
Date:	Tue, 14 Sep 2010 14:16:11 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Peter Zijlstra <peterz@...radead.org>
Cc:	Arnaldo Carvalho de Melo <acme@...radead.org>,
	linux-kernel@...r.kernel.org,
	Christoph Hellwig <hch@...radead.org>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Mike Galbraith <efault@....de>,
	Paul Mackerras <paulus@...ba.org>,
	Stephane Eranian <eranian@...gle.com>,
	Tom Zanussi <tzanussi@...il.com>
Subject: Re: [GIT PULL 0/1] perf/core ui browser improvement


* Peter Zijlstra <peterz@...radead.org> wrote:

> On Mon, 2010-09-13 at 18:29 -0300, Arnaldo Carvalho de Melo wrote:
> > +      3.00%         find  [kernel.kallsyms]   [k] n_tty_write
> 
> > +      3.00%         find  kernel       k n_tty_write
> 
> I find that [k] is visually easier to separate from the symbol name.

me too. Something like:

before:

     1.08%           cc1  libc-2.12.so                  [.] _int_malloc
     0.94%           cc1  [kernel.kallsyms]             [k] clear_page_c
     0.74%           cc1  libc-2.12.so                  [.] _int_free
     0.69%           cc1  [kernel.kallsyms]             [k] page_fault
     0.46%           cc1  libc-2.12.so                  [.] malloc_consolidate

after:

     1.08%           cc1  # libc-2.12.so                [.] _int_malloc
     0.94%           cc1  # kernel                      [k] clear_page_c
     0.74%           cc1  # libc-2.12.so                [.] _int_free
     0.69%           cc1  # kernel                      [k] page_fault
     0.46%           cc1  # libc-2.12.so                [.] malloc_consolidate


Would largely do the trick i think. The comments delineate the DSO 
portion from the task portion nicely - while also being a familar 
pattern. The column of [.] and [k] gives kernel developers a quick 
glance wrt. whether it's kernel or user-space - and it also delineates 
the symbol column from the DSO column.

Thanks,

	Ingo
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