On Wed, 15 Jan 2025 19:17:58 -0500 Steven Rostedt <rostedt@xxxxxxxxxxx> wrote: > From: Steven Rostedt <rostedt@xxxxxxxxxxx> > > For the tests that have both a README attribute as well as the instance > flag to run the tests as an instance, the instance version will always > exit with UNSUPPORTED. That's because the instance directory does not > contain a README file. Currently, the tests check for a README file in the > directory that the test runs in and if there's a requirement for something > to be present in the README file, it will not find it, as the instance > directory doesn't have it. > > Have the tests check if the current directory is an instance directory, > and if it is, check two directories above the current directory for the > README file: > > /sys/kernel/tracing/README > /sys/kernel/tracing/instances/foo/../../README This is the same patch as: https://lore.kernel.org/all/20250116012041.326701057@xxxxxxxxxxx/ But as there are other patches that depended on it, I just added this one into a patch set with them. But decided not to make that patch set a v2 as there was no changes with this one. Damn, I forgot to add Shuah and kselftests mailing list to that one though :-p -- Steve > > Signed-off-by: Steven Rostedt (Google) <rostedt@xxxxxxxxxxx> > --- > tools/testing/selftests/ftrace/test.d/functions | 8 +++++++- > 1 file changed, 7 insertions(+), 1 deletion(-) > > diff --git a/tools/testing/selftests/ftrace/test.d/functions b/tools/testing/selftests/ftrace/test.d/functions > index 779f3e62ec90..9f2a67fbaf4d 100644 > --- a/tools/testing/selftests/ftrace/test.d/functions > +++ b/tools/testing/selftests/ftrace/test.d/functions > @@ -156,7 +156,13 @@ check_requires() { # Check required files and tracers > exit_unsupported > fi > elif [ "$r" != "$i" ]; then > - if ! grep -Fq "$r" README ; then > + # If this is an instance, check the top directory > + if echo $TRACING_DIR | grep -q "/instances/"; then > + test="$TRACING_DIR/../.." > + else > + test=$TRACING_DIR > + fi > + if ! grep -Fq "$r" $test/README ; then > echo "Required feature pattern \"$r\" is not in README." > exit_unsupported > fi
