linux-kernel - Re: [PATCH tip 3/5] perf report: Make the output more compact

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Date:	Sat, 11 Jul 2009 12:31:35 -0300
From:	Arnaldo Carvalho de Melo <acme@...hat.com>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: [PATCH tip 3/5] perf report: Make the output more compact

Em Sat, Jul 11, 2009 at 12:18:35PM -0300, Arnaldo Carvalho de Melo escreveu:
> When we filter by column content we may end up with a column that has the same
> value for all the lines. So remove that column and tell its unique value on the
> top, as a comment.
> 
> Example:

Grr, it should have been:

> [acme@...pio pahole]$  perf report --sort comm,dso,symbol -d ./build/libdwarves.so.1.0.0 -C pahole | head -15
  # dso: ./build/libdwarves.so.1.0.0
  # comm: pahole
  # Samples: 58409
  #
  # Overhead  Symbol
  # ........  ......
  #
>     20.93%  [.] tag__recode_dwarf_type
>     14.94%  [.] namespace__recode_dwarf_types
>     10.38%  [.] cu__table_add_tag
>      6.69%  [.] __die__process_tag
>      5.05%  [.] die__process_function
>      4.70%  [.] list__for_all_tags
>      3.68%  [.] tag__init
>      3.48%  [.] die__create_new_parameter
> [acme@...pio pahole]$

Forgot to add a space before the hashes...

- Arnaldo
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