From: Paul E. McKenney <paulmck@kernel.org>
Date: Mon, 4 May 2020 23:41:53 +0000 (-0700)
Subject: torture: Add --allcpus argument to the kvm.sh script
X-Git-Tag: v5.10.7~2014^2^2^7~13
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=a3ba4972f2ef8408dcc8a2a3d433621d6c990594;p=platform%2Fkernel%2Flinux-rpi.git

torture: Add --allcpus argument to the kvm.sh script

Leaving off the kvm.sh script's --cpus argument results in the script
testing the scenarios sequentially, which can be quite slow.  However,
having to specify the actual number of CPUs can be error-prone.
This commit therefore adds a --allcpus argument that causes kvm.sh to
use all available CPUs.

Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
---

diff --git a/tools/testing/selftests/rcutorture/bin/kvm.sh b/tools/testing/selftests/rcutorture/bin/kvm.sh
index c279cf9c..7dbce7a 100755
--- a/tools/testing/selftests/rcutorture/bin/kvm.sh
+++ b/tools/testing/selftests/rcutorture/bin/kvm.sh
@@ -73,6 +73,10 @@ usage () {
 while test $# -gt 0
 do
 	case "$1" in
+	--allcpus)
+		cpus=$TORTURE_ALLOTED_CPUS
+		max_cpus=$TORTURE_ALLOTED_CPUS
+		;;
 	--bootargs|--bootarg)
 		checkarg --bootargs "(list of kernel boot arguments)" "$#" "$2" '.*' '^--'
 		TORTURE_BOOTARGS="$2"