[tip:core/rcu] torture: Flag console.log file to prevent holdovers from earlier runs

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Commit-ID:  d2f74b5b488dd2b283977f64844fee3ba91676db
Gitweb:     http://git.kernel.org/tip/d2f74b5b488dd2b283977f64844fee3ba91676db
Author:     Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx>
AuthorDate: Thu, 11 Dec 2014 10:50:22 -0800
Committer:  Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx>
CommitDate: Sat, 10 Jan 2015 19:08:05 -0800

torture: Flag console.log file to prevent holdovers from earlier runs

A system misconfiguration that prevents qemu from running at all (for
example, a missing dynamically linked library) will keep the console.log
file from the previous run.  This can fool the developer into thinking
that this failed run actually completed correctly.  This commit therefore
overwrites the console.log file just before launching qemu.

Signed-off-by: Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx>
---
 tools/testing/selftests/rcutorture/bin/kvm-test-1-run.sh | 1 +
 1 file changed, 1 insertion(+)

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 35b8532..5236e07 100755
--- a/tools/testing/selftests/rcutorture/bin/kvm-test-1-run.sh
+++ b/tools/testing/selftests/rcutorture/bin/kvm-test-1-run.sh
@@ -168,6 +168,7 @@ then
 	touch $resdir/buildonly
 	exit 0
 fi
+echo "NOTE: $QEMU either did not run or was interactive" > $builddir/console.log
 echo $QEMU $qemu_args -m 512 -kernel $resdir/bzImage -append \"$qemu_append $boot_args\" > $resdir/qemu-cmd
 ( $QEMU $qemu_args -m 512 -kernel $resdir/bzImage -append "$qemu_append $boot_args"; echo $? > $resdir/qemu-retval ) &
 qemu_pid=$!
--
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