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perf annotate: Introduce struct sym_hist_entry

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struct sym_hist has addr[] but it should have not only number of samples
but also the sample period.  So use new struct symhist_entry to pave the
way to have that.

Committer notes:

This initial patch will only introduce the struct sym_hist_entry and use
only the nr_samples member, which makes the code clearer and paves the
way to save the period as well.

Signed-off-by: Taeung Song <treeze.taeung@gmail.com>
Suggested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: http://lkml.kernel.org/r/1500500205-16553-1-git-send-email-treeze.taeung@gmail.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Taeung Song
2017-07-20 06:36:45 +09:00
committed by Arnaldo Carvalho de Melo
parent b99e4850df
commit 896bccd3cb
4 changed files with 35 additions and 29 deletions
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4
tools/perf/ui/gtk/annotate.c
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@@ -34,10 +34,10 @@ static int perf_gtk__get_percent(char *buf, size_t size, struct symbol *sym,
return 0;
symhist = annotation__histogram(symbol__annotation(sym), evidx);
if (!symbol_conf.event_group && !symhist->addr[dl->offset])
if (!symbol_conf.event_group && !symhist->addr[dl->offset].nr_samples)
return 0;
percent = 100.0 * symhist->addr[dl->offset] / symhist->sum;
percent = 100.0 * symhist->addr[dl->offset].nr_samples / symhist->sum;
markup = perf_gtk__get_percent_color(percent);
if (markup)