The following commit has been merged into the core/rcu branch of tip: Commit-ID: 315957cad445aa80e567983a43d9bb2a24a8534d Gitweb: https://git.kernel.org/tip/315957cad445aa80e567983a43d9bb2a24a8534d Author: Paul E. McKenney <paulmck@xxxxxxxxxx> AuthorDate: Tue, 17 Nov 2020 16:28:18 -08:00 Committer: Paul E. McKenney <paulmck@xxxxxxxxxx> CommitterDate: Mon, 04 Jan 2021 14:01:19 -08:00 torture: Prepare for splitting qemu execution from kvm-test-1-run.sh Distributed execution of rcutorture is eased if the qemu execution can be split from the building of the kernel, as this allows target systems to be used that are not set up to build kernels. It also avoids issues with toolchain version skew across the cluster, aside of course from qemu and KVM version skew. This commit therefore records needed data as comments in the qemu-cmd file and moves recording of the starting time to just before qemu is launched. Signed-off-by: Paul E. McKenney <paulmck@xxxxxxxxxx> --- tools/testing/selftests/rcutorture/bin/kvm-test-1-run.sh | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) 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 3cd03d0..4bc0e62 100755 --- a/tools/testing/selftests/rcutorture/bin/kvm-test-1-run.sh +++ b/tools/testing/selftests/rcutorture/bin/kvm-test-1-run.sh @@ -125,7 +125,6 @@ seconds=$4 qemu_args=$5 boot_args=$6 -kstarttime=`gawk 'BEGIN { print systime() }' < /dev/null` if test -z "$TORTURE_BUILDONLY" then echo ' ---' `date`: Starting kernel @@ -158,6 +157,8 @@ then boot_args="$boot_args $TORTURE_BOOT_GDB_ARG" fi echo $QEMU $qemu_args -m $TORTURE_QEMU_MEM -kernel $KERNEL -append \"$qemu_append $boot_args\" $TORTURE_QEMU_GDB_ARG > $resdir/qemu-cmd +echo "# TORTURE_SHUTDOWN_GRACE=$TORTURE_SHUTDOWN_GRACE" >> $resdir/qemu-cmd +echo "# seconds=$seconds" >> $resdir/qemu-cmd if test -n "$TORTURE_BUILDONLY" then @@ -174,6 +175,7 @@ echo 'echo $! > $resdir/qemu_pid' >> $T/qemu-cmd echo "NOTE: $QEMU either did not run or was interactive" > $resdir/console.log # Attempt to run qemu +kstarttime=`gawk 'BEGIN { print systime() }' < /dev/null` ( . $T/qemu-cmd; wait `cat $resdir/qemu_pid`; echo $? > $resdir/qemu-retval ) & commandcompleted=0 if test -z "$TORTURE_KCONFIG_GDB_ARG"
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