linux-kernel - [PATCH] perf: Compare JOBS to 0 after grep

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Message-Id: <1424303971-91904-1-git-send-email-david.ahern@oracle.com>
Date:	Wed, 18 Feb 2015 18:59:31 -0500
From:	David Ahern <david.ahern@...cle.com>
To:	acme@...nel.org, linux-kernel@...r.kernel.org
Cc:	David Ahern <david.ahern@...cle.com>
Subject: [PATCH] perf: Compare JOBS to 0 after grep

If JOBS is not by user perf tries to autodetect the number by grepping the
number of CPUs from /proc/cpuinfo. 'grep -c' will always return an integer
so after this command JOBS should be compared to 0, not "".

Signed-off-by: David Ahern <david.ahern@...cle.com>
---
 tools/perf/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/perf/Makefile b/tools/perf/Makefile
index cb2e5868c8e8..d5020aeb5626 100644
--- a/tools/perf/Makefile
+++ b/tools/perf/Makefile
@@ -25,7 +25,7 @@ unexport MAKEFLAGS
 #
 ifeq ($(JOBS),)
   JOBS := $(shell grep -c ^processor /proc/cpuinfo 2>/dev/null)
-  ifeq ($(JOBS),)
+  ifeq ($(JOBS),0)
     JOBS := 1
   endif
 endif
-- 
1.9.3

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