linux-kernel - [PATCH 23/44] perf annotate: Add PERCENT_PERIOD

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Thu,  9 Aug 2018 11:58:01 -0300
From:   Arnaldo Carvalho de Melo <acme@...nel.org>
To:     Ingo Molnar <mingo@...nel.org>
Cc:     Clark Williams <williams@...hat.com>, linux-kernel@...r.kernel.org,
        linux-perf-users@...r.kernel.org, Jiri Olsa <jolsa@...nel.org>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        David Ahern <dsahern@...il.com>,
        Namhyung Kim <namhyung@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Stephane Eranian <eranian@...gle.com>,
        Arnaldo Carvalho de Melo <acme@...hat.com>
Subject: [PATCH 23/44] perf annotate: Add PERCENT_PERIOD_GLOBAL percent value

From: Jiri Olsa <jolsa@...nel.org>

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

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

Signed-off-by: Jiri Olsa <jolsa@...nel.org>
Cc: Alexander Shishkin <alexander.shishkin@...ux.intel.com>
Cc: David Ahern <dsahern@...il.com>
Cc: Namhyung Kim <namhyung@...nel.org>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Stephane Eranian <eranian@...gle.com>
Link: http://lkml.kernel.org/r/20180804130521.11408-12-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/util/annotate.c | 3 +++
 tools/perf/util/annotate.h | 1 +
 2 files changed, 4 insertions(+)

diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c
index b37e8cc18668..e890164592b0 100644
--- a/tools/perf/util/annotate.c
+++ b/tools/perf/util/annotate.c
@@ -1783,6 +1783,9 @@ static void calc_percent(struct sym_hist *sym_hist,
 
 	if (sym_hist->period)
 		data->percent[PERCENT_PERIOD_LOCAL] = 100.0 * period / sym_hist->period;
+
+	if (hists->stats.total_period)
+		data->percent[PERCENT_PERIOD_GLOBAL] = 100.0 * period / hists->stats.total_period;
 }
 
 static void annotation__calc_percent(struct annotation *notes,
diff --git a/tools/perf/util/annotate.h b/tools/perf/util/annotate.h
index 890b6869caa9..48fe2aa6b5a8 100644
--- a/tools/perf/util/annotate.h
+++ b/tools/perf/util/annotate.h
@@ -105,6 +105,7 @@ enum {
 	PERCENT_HITS_LOCAL,
 	PERCENT_HITS_GLOBAL,
 	PERCENT_PERIOD_LOCAL,
+	PERCENT_PERIOD_GLOBAL,
 	PERCENT_MAX,
 };
 
-- 
2.14.4