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perf tools: Compare JOBS to 0 after grep

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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>
This commit is contained in:
David Ahern 2015-02-18 18:59:31 -05:00 committed by Arnaldo Carvalho de Melo
parent ecefde629f
commit c65568c545
1 changed files with 1 additions and 1 deletions
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2
tools/perf/Makefile
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@ -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