linux-kernel - [PATCH] torture: Correctly fetch CPUs for kvm-build.sh with all native language

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Message-Id: <20210401132602.116352-1-frederic@kernel.org>
Date:   Thu,  1 Apr 2021 15:26:02 +0200
From:   Frederic Weisbecker <frederic@...nel.org>
To:     "Paul E . McKenney" <paulmck@...nel.org>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        Frederic Weisbecker <frederic@...nel.org>
Subject: [PATCH] torture: Correctly fetch CPUs for kvm-build.sh with all native language

Grepping for "CPU" on lscpu output isn't always successful, depending
on the local language setting. As a result, the build can be aborted
early with:

	"make: the '-j' option requires a positive integer argument"

Prefer a more generic solution.

Signed-off-by: Frederic Weisbecker <frederic@...nel.org>
---
 tools/testing/selftests/rcutorture/bin/kvm-build.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/testing/selftests/rcutorture/bin/kvm-build.sh b/tools/testing/selftests/rcutorture/bin/kvm-build.sh
index 55f4fc102624..5ad973dca820 100755
--- a/tools/testing/selftests/rcutorture/bin/kvm-build.sh
+++ b/tools/testing/selftests/rcutorture/bin/kvm-build.sh
@@ -42,7 +42,7 @@ then
 fi
 
 # Tell "make" to use double the number of real CPUs on the build system.
-ncpus="`lscpu | grep '^CPU(' | awk '{ print $2 }'`"
+ncpus="`getconf _NPROCESSORS_ONLN`"
 make -j$((2 * ncpus)) $TORTURE_KMAKE_ARG > $resdir/Make.out 2>&1
 retval=$?
 if test $retval -ne 0 || grep "rcu[^/]*": < $resdir/Make.out | egrep -q "Stop|Error|error:|warning:" || egrep -q "Stop|Error|error:" < $resdir/Make.out
-- 
2.25.1