linux-kernel - [tip:perf/core] perf tools: Generalize percent_color

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Message-ID: <tip-f77c6e9c8f9c444cd44423df0c2708e86a06a696@git.kernel.org>
Date:	Tue, 14 Jan 2014 08:41:43 -0800
From:	tip-bot for Ramkumar Ramachandra <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	acme@...hat.com, linux-kernel@...r.kernel.org, hpa@...or.com,
	mingo@...nel.org, artagnon@...il.com, tglx@...utronix.de,
	jolsa@...hat.com
Subject: [tip:perf/core] perf tools: Generalize percent_color_snprintf()

Commit-ID:  f77c6e9c8f9c444cd44423df0c2708e86a06a696
Gitweb:     http://git.kernel.org/tip/f77c6e9c8f9c444cd44423df0c2708e86a06a696
Author:     Ramkumar Ramachandra <artagnon@...il.com>
AuthorDate: Mon, 30 Dec 2013 13:04:18 +0530
Committer:  Arnaldo Carvalho de Melo <acme@...hat.com>
CommitDate: Mon, 13 Jan 2014 10:46:39 -0300

perf tools: Generalize percent_color_snprintf()

Make percent_color_snprintf() handle negative values correctly.

Signed-off-by: Ramkumar Ramachandra <artagnon@...il.com>
Acked-by: Jiri Olsa <jolsa@...hat.com>
Cc: Jiri Olsa <jolsa@...hat.com>
Link: http://lkml.kernel.org/r/1388388861-7931-2-git-send-email-artagnon@gmail.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/util/color.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/tools/perf/util/color.c b/tools/perf/util/color.c
index 66e44a5..8cda46c 100644
--- a/tools/perf/util/color.c
+++ b/tools/perf/util/color.c
@@ -1,6 +1,7 @@
 #include <linux/kernel.h>
 #include "cache.h"
 #include "color.h"
+#include <math.h>
 
 int perf_use_color_default = -1;
 
@@ -298,10 +299,10 @@ const char *get_percent_color(double percent)
 	 * entries in green - and keep the low overhead places
 	 * normal:
 	 */
-	if (percent >= MIN_RED)
+	if (fabs(percent) >= MIN_RED)
 		color = PERF_COLOR_RED;
 	else {
-		if (percent > MIN_GREEN)
+		if (fabs(percent) > MIN_GREEN)
 			color = PERF_COLOR_GREEN;
 	}
 	return color;
--
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