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perf annotate: Add PERCENT_PERIOD_LOCAL percent value

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Adding and computing local period percent value for annotation line.
Storing it in struct annotation_data percent array under new
PERCENT_PERIOD_LOCAL index.

At the moment it's not displayed, it's coming in following patches.

Signed-off-by: Jiri Olsa <[email protected]>
Cc: Alexander Shishkin <[email protected]>
Cc: David Ahern <[email protected]>
Cc: Namhyung Kim <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Stephane Eranian <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
This commit is contained in:
Jiri Olsa 2018-08-04 15:05:11 +02:00 • committed by Arnaldo Carvalho de Melo
commit ab371169fb
2 changed files with 3 additions and 0 deletions
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2
tools/perf/util/annotate.c
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@ -1781,6 +1781,8 @@ static void calc_percent(struct sym_hist *sym_hist,
if (hists->stats.nr_non_filtered_samples)
data->percent[PERCENT_HITS_GLOBAL] = 100.0 * hits / hists->stats.nr_non_filtered_samples;
if (sym_hist->period)
data->percent[PERCENT_PERIOD_LOCAL] = 100.0 * period / sym_hist->period;
}
static void annotation__calc_percent(struct annotation *notes,

1
tools/perf/util/annotate.h
View file

@ -104,6 +104,7 @@ struct sym_hist_entry {
enum {
PERCENT_HITS_LOCAL,
PERCENT_HITS_GLOBAL,
PERCENT_PERIOD_LOCAL,
PERCENT_MAX,
};