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Subject[tip:perf/core] perf tools: Compare JOBS to 0 after grep
Commit-ID:  c65568c5456e5216e5467e81d1e04c1f5bdd453f
Gitweb: http://git.kernel.org/tip/c65568c5456e5216e5467e81d1e04c1f5bdd453f
Author: David Ahern <david.ahern@oracle.com>
AuthorDate: Wed, 18 Feb 2015 18:59:31 -0500
Committer: Arnaldo Carvalho de Melo <acme@redhat.com>
CommitDate: Mon, 2 Mar 2015 11:51:00 -0300

perf tools: 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@oracle.com>
Link: http://lkml.kernel.org/r/1424303971-91904-1-git-send-email-david.ahern@oracle.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
tools/perf/Makefile | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/perf/Makefile b/tools/perf/Makefile
index cb2e586..d5020ae 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

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