linux-kernel - [PATCH] perf tool: Set JOBS based on CPU or processor

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Date:	Tue, 24 Mar 2015 12:10:55 -0400
From:	David Ahern <david.ahern@...cle.com>
To:	acme@...nel.org
Cc:	linux-kernel@...r.kernel.org, David Ahern <david.ahern@...cle.com>,
	Ingo Molnar <mingo@...nel.org>, Jiri Olsa <jolsa@...nel.org>,
	Namhyung Kim <namhyung@...nel.org>
Subject: [PATCH] perf tool: Set JOBS based on CPU or processor

Number of JOBS to use is set automatically to the number of processors found
in /proc/cpuinfo. SPARC uses 'CPU' lines rather than 'processor'. Update the
check in perf's Makefile to work for SPARC.

Signed-off-by: David Ahern <david.ahern@...cle.com>
Cc: Ingo Molnar <mingo@...nel.org>
Cc: Jiri Olsa <jolsa@...nel.org>
Cc: Namhyung Kim <namhyung@...nel.org>
---
 tools/perf/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/perf/Makefile b/tools/perf/Makefile
index d5020aeb5626..c699dc35eef9 100644
--- a/tools/perf/Makefile
+++ b/tools/perf/Makefile
@@ -24,7 +24,7 @@ unexport MAKEFLAGS
 # (To override it, run 'make JOBS=1' and similar.)
 #
 ifeq ($(JOBS),)
-  JOBS := $(shell grep -c ^processor /proc/cpuinfo 2>/dev/null)
+  JOBS := $(shell egrep -c '^processor|^CPU' /proc/cpuinfo 2>/dev/null)
   ifeq ($(JOBS),0)
     JOBS := 1
   endif
-- 
2.2.1

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