| Message ID | 20220222120718.17141-1-pmenzel@molgen.mpg.de (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | [1/2] torture: Select line in sed and replace grep | expand |
diff --git a/tools/testing/selftests/rcutorture/bin/functions.sh b/tools/testing/selftests/rcutorture/bin/functions.sh index c35ba24f994c..5cff520955e6 100644 --- a/tools/testing/selftests/rcutorture/bin/functions.sh +++ b/tools/testing/selftests/rcutorture/bin/functions.sh @@ -301,7 +301,7 @@ specify_qemu_cpus () { echo $2 -smp $3 ;; qemu-system-ppc64) - nt="`lscpu | grep '^NUMA node0' | sed -e 's/^[^,]*,\([0-9]*\),.*$/\1/'`" + nt="`lscpu | sed -n -e '/^NUMA node0/s/^[^,]*,\([0-9]*\),.*$/\1/p'`" echo $2 -smp cores=`expr \( $3 + $nt - 1 \) / $nt`,threads=$nt ;; esac
sed’s switch `-n` (`--silent`) suppresses the automatic printing of the pattern space, therefore, allowing to replace grep by only printing the current pattern space using the command `p`. Signed-off-by: Paul Menzel <pmenzel@molgen.mpg.de> --- tools/testing/selftests/rcutorture/bin/functions.sh | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)