commit c65568c5456e5216e5467e81d1e04c1f5bdd453f
author David Ahern <david.ahern@oracle.com> Wed Feb 18 18:59:31 2015 -0500
committer Arnaldo Carvalho de Melo <acme@redhat.com> Mon Mar 02 11:51:00 2015 -0300
tree 43b724b5caba877844c1b9f1c68ab9cb1bc38542
parent ecefde629fadd3fcca2ea4c6a799d6e6aab8781f

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

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 @@
 #
 ifeq ($(JOBS),)
   JOBS := $(shell grep -c ^processor /proc/cpuinfo 2>/dev/null)
-  ifeq ($(JOBS),)
+  ifeq ($(JOBS),0)
     JOBS := 1
   endif
 endif