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perf annotate: Merge same lines in summary view

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The --print-line option of perf annotate command shows summary for
each source line.  But it didn't merge same lines so that it can
appear multiple times.

* before:

  Sorted summary for file /home/namhyung/bin/mcol
  ----------------------------------------------
     21.71 /home/namhyung/tmp/mcol.c:26
     20.66 /home/namhyung/tmp/mcol.c:25
      9.53 /home/namhyung/tmp/mcol.c:24
      7.68 /home/namhyung/tmp/mcol.c:25
      7.67 /home/namhyung/tmp/mcol.c:25
      7.66 /home/namhyung/tmp/mcol.c:26
      7.49 /home/namhyung/tmp/mcol.c:26
      6.92 /home/namhyung/tmp/mcol.c:25
      6.81 /home/namhyung/tmp/mcol.c:25
      1.07 /home/namhyung/tmp/mcol.c:26
      0.52 /home/namhyung/tmp/mcol.c:25
      0.51 /home/namhyung/tmp/mcol.c:25
      0.51 /home/namhyung/tmp/mcol.c:24

* after:

  Sorted summary for file /home/namhyung/bin/mcol
  ----------------------------------------------
     50.77 /home/namhyung/tmp/mcol.c:25
     37.94 /home/namhyung/tmp/mcol.c:26
     10.04 /home/namhyung/tmp/mcol.c:24

To do that, introduce percent_sum field so that the normal
line-by-line output doesn't get changed.

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1352440729-21848-1-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Namhyung Kim 2012-11-09 14:58:49 +09:00 • committed by Arnaldo Carvalho de Melo
parent 32ae1efd9d
commit 411279658a
2 changed files with 53 additions and 3 deletions
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1
tools/perf/util/annotate.h
View file

@ -76,6 +76,7 @@ struct sym_hist {
struct source_line {
struct rb_node node;
double percent;
double percent_sum;
char *path;
};