[tip:perf/urgent] perf annotate: Add PERCENT_PERIOD_LOCAL percent value

[tip-bot for Jiri Olsa]

Commit-ID:  ab371169fb7db9587f09137e93a49c6afeab16f7
Gitweb:     https://git.kernel.org/tip/ab371169fb7db9587f09137e93a49c6afeab16f7
Author:     Jiri Olsa <jolsa@xxxxxxxxxx>
AuthorDate: Sat, 4 Aug 2018 15:05:11 +0200
Committer:  Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
CommitDate: Wed, 8 Aug 2018 15:55:49 -0300

perf annotate: Add PERCENT_PERIOD_LOCAL percent value

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 <jolsa@xxxxxxxxxx>
Cc: Alexander Shishkin <alexander.shishkin@xxxxxxxxxxxxxxx>
Cc: David Ahern <dsahern@xxxxxxxxx>
Cc: Namhyung Kim <namhyung@xxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Stephane Eranian <eranian@xxxxxxxxxx>
Link: http://lkml.kernel.org/r/20180804130521.11408-11-jolsa@xxxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
 tools/perf/util/annotate.c | 2 ++
 tools/perf/util/annotate.h | 1 +
 2 files changed, 3 insertions(+)

diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c
index b7485a512da1..b37e8cc18668 100644
--- a/tools/perf/util/annotate.c
+++ b/tools/perf/util/annotate.c
@@ -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,
diff --git a/tools/perf/util/annotate.h b/tools/perf/util/annotate.h
index 3a06cb2b6e28..890b6869caa9 100644
--- a/tools/perf/util/annotate.h
+++ b/tools/perf/util/annotate.h
@@ -104,6 +104,7 @@ struct sym_hist_entry {
 enum {
 	PERCENT_HITS_LOCAL,
 	PERCENT_HITS_GLOBAL,
+	PERCENT_PERIOD_LOCAL,
 	PERCENT_MAX,
 };