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 <frede...@kernel.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