linux-kernel - [tip:perf/core] perf timechart: Use proc

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Message-ID: <tip-753c505dc49a87a4421d452bda048e4b93e8e42b@git.kernel.org>
Date:	Sat, 30 Nov 2013 04:51:34 -0800
From:	tip-bot for Stanislav Fomichev <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	acme@...hat.com, linux-kernel@...r.kernel.org, paulus@...ba.org,
	mingo@...hat.com, hpa@...or.com, mingo@...nel.org,
	a.p.zijlstra@...llo.nl, namhyung@...nel.org,
	stfomichev@...dex-team.ru, tglx@...utronix.de
Subject: [tip:perf/core] perf timechart:
  Use proc_num to implement --power-only

Commit-ID:  753c505dc49a87a4421d452bda048e4b93e8e42b
Gitweb:     http://git.kernel.org/tip/753c505dc49a87a4421d452bda048e4b93e8e42b
Author:     Stanislav Fomichev <stfomichev@...dex-team.ru>
AuthorDate: Fri, 1 Nov 2013 20:25:47 +0400
Committer:  Arnaldo Carvalho de Melo <acme@...hat.com>
CommitDate: Wed, 27 Nov 2013 14:58:36 -0300

perf timechart: Use proc_num to implement --power-only

Don't use special flag to indicate power-only mode, just set proc_num to
0.

Signed-off-by: Stanislav Fomichev <stfomichev@...dex-team.ru>
Acked-by: Namhyung Kim <namhyung@...nel.org>
Cc: Ingo Molnar <mingo@...hat.com>
Cc: Namhyung Kim <namhyung@...nel.org>
Cc: Paul Mackerras <paulus@...ba.org>
Cc: Peter Zijlstra <a.p.zijlstra@...llo.nl>
Link: http://lkml.kernel.org/r/1383323151-19810-4-git-send-email-stfomichev@yandex-team.ru
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/builtin-timechart.c | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/tools/perf/builtin-timechart.c b/tools/perf/builtin-timechart.c
index c352be4..6410c9e 100644
--- a/tools/perf/builtin-timechart.c
+++ b/tools/perf/builtin-timechart.c
@@ -912,7 +912,7 @@ static int determine_display_tasks(u64 threshold)
 		/* no exit marker, task kept running to the end */
 		if (p->end_time == 0)
 			p->end_time = last_time;
-		if (p->total_time >= threshold && !power_only)
+		if (p->total_time >= threshold)
 			p->display = 1;
 
 		c = p->all;
@@ -923,7 +923,7 @@ static int determine_display_tasks(u64 threshold)
 			if (c->start_time == 1)
 				c->start_time = first_time;
 
-			if (c->total_time >= threshold && !power_only) {
+			if (c->total_time >= threshold) {
 				c->display = 1;
 				count++;
 			}
@@ -950,6 +950,8 @@ static void write_svg_file(const char *filename)
 
 	numcpus++;
 
+	if (power_only)
+		proc_num = 0;
 
 	/* We'd like to show at least proc_num tasks;
 	 * be less picky if we have fewer */
@@ -967,9 +969,11 @@ static void write_svg_file(const char *filename)
 		svg_cpu_box(i, max_freq, turbo_frequency);
 
 	draw_cpu_usage();
-	draw_process_bars();
+	if (proc_num)
+		draw_process_bars();
 	draw_c_p_states();
-	draw_wakeups();
+	if (proc_num)
+		draw_wakeups();
 
 	svg_close();
 }
--
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