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perf sort: Fix --sort pid output 

The "pid" sort key prints "Command: Pid" output but it's misaligned.
It's because of the offset of 6 was added to the column length during
the calculation in order to reserve an space for Pid part but it isn't
honored when printed.  The output before this patch was like this:

  # Overhead  Command:  Pid      Shared Object
  # ........  .............  .................
  #
      99.70%        noploop:17814  noploop
       0.29%        noploop:17814  [kernel.kallsyms]
       0.01%        noploop:17814  ld-2.15.so

Fix it by subtracting 6 for printing comm part.

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Acked-by: Jiri Olsa <jolsa@redhat.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/1356599507-14226-4-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
wifi-calibration
Namhyung Kim 2012-12-27 18:11:40 +09:00 committed by Arnaldo Carvalho de Melo
parent 433555221b
commit fb29a338b5
1 changed files with 1 additions and 1 deletions
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2
tools/perf/util/sort.c
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@ -60,7 +60,7 @@ sort__thread_cmp(struct hist_entry *left, struct hist_entry *right)
static int hist_entry__thread_snprintf(struct hist_entry *self, char *bf,
size_t size, unsigned int width)
{
return repsep_snprintf(bf, size, "%*s:%5d", width,
return repsep_snprintf(bf, size, "%*s:%5d", width - 6,
self->thread->comm ?: "", self->thread->pid);
}