Namhyung Kim 9b8087d720 perf sched timehist: Enlarge default 'comm_width'
Current default value is 20 but it's easily changed to a bigger value as
task has a long name and different tid and pid.  And it makes the output
not aligned.  So change it to have a large value as summary shows.

Committer notes:

Before:

  # perf sched record
  ^C
  # perf sched timehist
  <SNIP>
    40602.770537 [0001]  rcuos/2[29]               7.970      0.002      0.020
    40602.771512 [0003]  <idle>                    0.003      0.000      0.986
    40602.771586 [0001]  <idle>                    0.020      0.000      1.049
    40602.771606 [0001]  qemu-system-x86[3593/3510]      0.000      0.002      0.020
    40602.771629 [0003]  qemu-system-x86[3510]           0.000      0.003      0.116
    40602.771776 [0000]  <idle>                          0.001      0.000      1.892
  <SNIP>

After:

  # perf sched timehist
  <SNIP>
   40602.770537 [0001]  rcuos/2[29]                         7.970      0.002      0.020
   40602.771512 [0003]  <idle>                              0.003      0.000      0.986
   40602.771586 [0001]  <idle>                              0.020      0.000      1.049
   40602.771606 [0001]  qemu-system-x86[3593/3510]          0.000      0.002      0.020
   40602.771629 [0003]  qemu-system-x86[3510]               0.000      0.003      0.116
  <SNIP>

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/20161222060350.17655-1-namhyung@kernel.org
[ Split from a larger patch ]
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2016-12-22 16:35:45 -03:00
2016-05-23 17:04:14 -07:00
2016-12-11 11:17:54 -08:00

Linux kernel
============

This file was moved to Documentation/admin-guide/README.rst

Please notice that there are several guides for kernel developers and users.
These guides can be rendered in a number of formats, like HTML and PDF.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
See Documentation/00-INDEX for a list of what is contained in each file.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.
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