[tip:perf/urgent] tools thermal tmon: Use -O3 instead of -O1 if available

[tip-bot for Jiri Olsa]

Commit-ID:  302df34c4e64b9e83ee31cbf508b38b62b428bd6
Gitweb:     https://git.kernel.org/tip/302df34c4e64b9e83ee31cbf508b38b62b428bd6
Author:     Jiri Olsa <jolsa@xxxxxxxxxx>
AuthorDate: Thu, 3 Jan 2019 17:13:49 +0100
Committer:  Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
CommitDate: Fri, 4 Jan 2019 12:54:49 -0300

tools thermal tmon: Use -O3 instead of -O1 if available

Using -O3 instead of -O1 if it's supported by compiler.

Signed-off-by: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: Alexander Shishkin <alexander.shishkin@xxxxxxxxxxxxxxx>
Cc: Brian Norris <computersforpeace@xxxxxxxxx>
Cc: Markus Mayer <mmayer@xxxxxxxxxxxx>
Cc: Namhyung Kim <namhyung@xxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Zhang Rui <rui.zhang@xxxxxxxxx>
Link: http://lkml.kernel.org/r/20190103161350.11446-2-jolsa@xxxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
 tools/thermal/tmon/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/thermal/tmon/Makefile b/tools/thermal/tmon/Makefile
index 89a2444c1df2..59e417ec3e13 100644
--- a/tools/thermal/tmon/Makefile
+++ b/tools/thermal/tmon/Makefile
@@ -6,7 +6,7 @@ VERSION = 1.0
 
 BINDIR=usr/bin
 WARNFLAGS=-Wall -Wshadow -W -Wformat -Wimplicit-function-declaration -Wimplicit-int
-override CFLAGS+= -O1 ${WARNFLAGS}
+override CFLAGS+= $(call cc-option,-O3,-O1) ${WARNFLAGS}
 # Add "-fstack-protector" only if toolchain supports it.
 override CFLAGS+= $(call cc-option,-fstack-protector-strong)
 CC?= $(CROSS_COMPILE)gcc