linux-kernel - [PATCH 10/20] perf annotate: Add PERCENT_PERIOD

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Message-Id: <20180804130521.11408-11-jolsa@kernel.org>
Date:   Sat,  4 Aug 2018 15:05:11 +0200
From:   Jiri Olsa <jolsa@...nel.org>
To:     Arnaldo Carvalho de Melo <acme@...nel.org>
Cc:     lkml <linux-kernel@...r.kernel.org>,
        Ingo Molnar <mingo@...nel.org>,
        Namhyung Kim <namhyung@...nel.org>,
        David Ahern <dsahern@...il.com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Peter Zijlstra <a.p.zijlstra@...llo.nl>,
        Stephane Eranian <eranian@...gle.com>
Subject: [PATCH 10/20] 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.

Link: http://lkml.kernel.org/n/tip-s1qlyipdi22uewyk0eh18fw1@git.kernel.org
Signed-off-by: Jiri Olsa <jolsa@...nel.org>
---
 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,
 };
 
-- 
2.17.1