Commit-ID: f43f8f73510c1013fe9449d7732e8f73a75b6fde
Gitweb: http://git.kernel.org/tip/f43f8f73510c1013fe9449d7732e8f73a75b6fde
Author: Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx>
AuthorDate: Sat, 19 Oct 2013 06:28:21 -0700
Committer: Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx>
CommitDate: Tue, 3 Dec 2013 10:11:18 -0800
rcutorture: Record results from repeated runs of the same test scenario
Repeatedly running a given test, for example, by repeating the name
as in "--configs "TREE08 TREE08 TREE08" records the results only of
the last run of this test. This is because the earlier results are
overwritten by the later results.
This commit therefore checks for earlier results, using numbered
file extensions to distinguish multiple runs. The earlier example
would therefore create directories TREE01, TREE01.2, and TREE01.3.
Signed-off-by: Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx>
Cc: Greg KH <gregkh@xxxxxxxxxxxxxxxxxxx>
---
tools/testing/selftests/rcutorture/bin/kvm.sh | 16 +++++++++++++++-
1 file changed, 15 insertions(+), 1 deletion(-)
diff --git a/tools/testing/selftests/rcutorture/bin/kvm.sh b/tools/testing/selftests/rcutorture/bin/kvm.sh
index b8d2789..0783ec9 100644
--- a/tools/testing/selftests/rcutorture/bin/kvm.sh
+++ b/tools/testing/selftests/rcutorture/bin/kvm.sh
@@ -204,8 +204,22 @@ fi
for CF in $configs
do
+ # Running TREE01 multiple times creates TREE01, TREE01.2, TREE01.3, ...
rd=$resdir/$ds/$CF
- mkdir $rd || :
+ if test -d "${rd}"
+ then
+ n="`ls -d "${rd}"* | grep '\.[0-9]\+$' |
+ sed -e 's/^.*\.\([0-9]\+\)/\1/' |
+ sort -k1n | tail -1`"
+ if test -z "$n"
+ then
+ rd="${rd}.2"
+ else
+ n="`expr $n + 1`"
+ rd="${rd}.${n}"
+ fi
+ fi
+ mkdir "${rd}"
echo Results directory: $rd
kvm-test-1-rcu.sh $CONFIGFRAG/$kversion/$CF $builddir $rd $dur "-nographic $RCU_QEMU_ARG" "rcutorture.test_no_idle_hz=1 rcutorture.verbose=1 $RCU_BOOTARGS"
done
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