[PATCH tip/core/rcu 08/14] torture: Add kvm.sh --help and update help message

paulmck
2020-08-31T18:04:30Z

This commit adds a --help argument (along with its synonym -h) to display
the help text. While in the area, this commit also updates the help text.

Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
---
tools/testing/selftests/rcutorture/bin/kvm.sh | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/tools/testing/selftests/rcutorture/bin/kvm.sh b/tools/testing/selftests/rcutorture/bin/kvm.sh
index 0a08463..fc15b52 100755
--- a/tools/testing/selftests/rcutorture/bin/kvm.sh
+++ b/tools/testing/selftests/rcutorture/bin/kvm.sh
@@ -56,17 +56,18 @@ usage () {
echo " --defconfig string"
echo " --dryrun sched|script"
echo " --duration minutes"
+ echo " --help"
echo " --interactive"
echo " --jitter N [ maxsleep (us) [ maxspin (us) ] ]"
echo " --kconfig Kconfig-options"
echo " --kmake-arg kernel-make-arguments"
echo " --mac nn:nn:nn:nn:nn:nn"
- echo " --memory megabytes | nnnG"
+ echo " --memory megabytes|nnnG"
echo " --no-initrd"
echo " --qemu-args qemu-arguments"
echo " --qemu-cmd qemu-system-..."
echo " --results absolute-pathname"
- echo " --torture rcu"
+ echo " --torture lock|rcu|rcuperf|refscale|scf"
echo " --trust-make"
exit 1
}
@@ -127,6 +128,9 @@ do
dur=$(($2*60))
shift
;;
+ --help|-h)
+ usage
+ ;;
--interactive)
TORTURE_QEMU_INTERACTIVE=1; export TORTURE_QEMU_INTERACTIVE
;;
--
2.9.5