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authorPaul E. McKenney <paulmck@linux.vnet.ibm.com>2015-10-01 21:41:06 +0300
committerPaul E. McKenney <paulmck@linux.vnet.ibm.com>2015-12-06 04:58:12 +0300
commit542e83329db44622a401b74b4be0ea2d5f0850be (patch)
tree507c55896d3092e16b193e6b693eab62d49ef5a8
parentb1adb3e2736b695821badc715d2c7a5d873b8b94 (diff)
downloadlinux-542e83329db44622a401b74b4be0ea2d5f0850be.tar.xz
rcutorture: Default grace period to three minutes, allow override
The default test grace period of two minutes is insufficient in some cases and excessive in others. This commit therefore increases the default to three minutes, but also adds a --shutdown-grace parameter to allow the default to be overridden. Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Reviewed-by: Josh Triplett <josh@joshtriplett.org>
-rwxr-xr-xtools/testing/selftests/rcutorture/bin/kvm-test-1-run.sh4
-rwxr-xr-xtools/testing/selftests/rcutorture/bin/kvm.sh7
2 files changed, 8 insertions, 3 deletions
diff --git a/tools/testing/selftests/rcutorture/bin/kvm-test-1-run.sh b/tools/testing/selftests/rcutorture/bin/kvm-test-1-run.sh
index 5236e073919d..d39273dae464 100755
--- a/tools/testing/selftests/rcutorture/bin/kvm-test-1-run.sh
+++ b/tools/testing/selftests/rcutorture/bin/kvm-test-1-run.sh
@@ -38,8 +38,6 @@
#
# Authors: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
-grace=120
-
T=/tmp/kvm-test-1-run.sh.$$
trap 'rm -rf $T' 0
touch $T
@@ -214,7 +212,7 @@ then
else
break
fi
- if test $kruntime -ge $((seconds + grace))
+ if test $kruntime -ge $((seconds + $TORTURE_SHUTDOWN_GRACE))
then
echo "!!! PID $qemu_pid hung at $kruntime vs. $seconds seconds" >> $resdir/Warnings 2>&1
kill -KILL $qemu_pid
diff --git a/tools/testing/selftests/rcutorture/bin/kvm.sh b/tools/testing/selftests/rcutorture/bin/kvm.sh
index 013c48239a66..4a431767f77a 100755
--- a/tools/testing/selftests/rcutorture/bin/kvm.sh
+++ b/tools/testing/selftests/rcutorture/bin/kvm.sh
@@ -42,6 +42,7 @@ TORTURE_DEFCONFIG=defconfig
TORTURE_BOOT_IMAGE=""
TORTURE_INITRD="$KVM/initrd"; export TORTURE_INITRD
TORTURE_KMAKE_ARG=""
+TORTURE_SHUTDOWN_GRACE=180
TORTURE_SUITE=rcu
resdir=""
configs=""
@@ -149,6 +150,11 @@ do
resdir=$2
shift
;;
+ --shutdown-grace)
+ checkarg --shutdown-grace "(seconds)" "$#" "$2" '^[0-9]*$' '^error'
+ TORTURE_SHUTDOWN_GRACE=$2
+ shift
+ ;;
--torture)
checkarg --torture "(suite name)" "$#" "$2" '^\(lock\|rcu\)$' '^--'
TORTURE_SUITE=$2
@@ -266,6 +272,7 @@ TORTURE_KMAKE_ARG="$TORTURE_KMAKE_ARG"; export TORTURE_KMAKE_ARG
TORTURE_QEMU_CMD="$TORTURE_QEMU_CMD"; export TORTURE_QEMU_CMD
TORTURE_QEMU_INTERACTIVE="$TORTURE_QEMU_INTERACTIVE"; export TORTURE_QEMU_INTERACTIVE
TORTURE_QEMU_MAC="$TORTURE_QEMU_MAC"; export TORTURE_QEMU_MAC
+TORTURE_SHUTDOWN_GRACE="$TORTURE_SHUTDOWN_GRACE"; export TORTURE_SHUTDOWN_GRACE
TORTURE_SUITE="$TORTURE_SUITE"; export TORTURE_SUITE
if ! test -e $resdir
then