On Fri, 14 Jun 2024 12:41:51 -0400
Steven Rostedt <rostedt@xxxxxxxxxxx> wrote:
> Shuah,
>
> Can you take this through your tree?
Ping!
-- Steve
>
> -- Steve
>
>
> On Thu, 23 May 2024 12:45:41 -0400
> Steven Rostedt <rostedt@xxxxxxxxxxx> wrote:
>
> > From: "Steven Rostedt (Google)" <rostedt@xxxxxxxxxxx>
> >
> > A regression happened where running the ownership test passes on the first
> > iteration but fails running it a second time. This was caught and fixed,
> > but a later change brought it back. The regression was missed because the
> > automated tests only run the tests once per boot.
> >
> > Change the ownership test to iterate through the tests twice, as this will
> > catch the regression with a single run.
> >
> > Signed-off-by: Steven Rostedt (Google) <rostedt@xxxxxxxxxxx>
> > ---
> > .../ftrace/test.d/00basic/test_ownership.tc | 34 +++++++++++--------
> > 1 file changed, 20 insertions(+), 14 deletions(-)
> >
> > diff --git a/tools/testing/selftests/ftrace/test.d/00basic/test_ownership.tc b/tools/testing/selftests/ftrace/test.d/00basic/test_ownership.tc
> > index c45094d1e1d2..71e43a92352a 100644
> > --- a/tools/testing/selftests/ftrace/test.d/00basic/test_ownership.tc
> > +++ b/tools/testing/selftests/ftrace/test.d/00basic/test_ownership.tc
> > @@ -83,32 +83,38 @@ run_tests() {
> > done
> > }
> >
> > -mount -o remount,"$new_options" .
> > +# Run the tests twice as leftovers can cause issues
> > +for loop in 1 2 ; do
> >
> > -run_tests
> > + echo "Running iteration $loop"
> >
> > -mount -o remount,"$mount_options" .
> > + mount -o remount,"$new_options" .
> >
> > -for d in "." "events" "events/sched" "events/sched/sched_switch" "events/sched/sched_switch/enable" $canary; do
> > - test "$d" $original_group
> > -done
> > + run_tests
> > +
> > + mount -o remount,"$mount_options" .
> > +
> > + for d in "." "events" "events/sched" "events/sched/sched_switch" "events/sched/sched_switch/enable" $canary; do
> > + test "$d" $original_group
> > + done
> >
> > # check instances as well
> >
> > -chgrp $other_group instances
> > + chgrp $other_group instances
> >
> > -instance="$(mktemp -u test-XXXXXX)"
> > + instance="$(mktemp -u test-XXXXXX)"
> >
> > -mkdir instances/$instance
> > + mkdir instances/$instance
> >
> > -cd instances/$instance
> > + cd instances/$instance
> >
> > -run_tests
> > + run_tests
> >
> > -cd ../..
> > + cd ../..
> >
> > -rmdir instances/$instance
> > + rmdir instances/$instance
> >
> > -chgrp $original_group instances
> > + chgrp $original_group instances
> > +done
> >
> > exit 0
>
