On Sat, 9 Sep 2023 00:33:05 +0100 Mark Brown <broonie@xxxxxxxxxx> wrote: > On Fri, Sep 08, 2023 at 08:19:16PM +0000, Beau Belgrave wrote: > > > Add common methods to detect if tracefs and user_events is enabled. If > > either is not enabled skip the test. If tracefs is enabled, but is not > > mounted, mount tracefs and fail if there were any errors. Fail if not > > run as root. > > This will leave tracefs mounted if it was not already mounted which is a > change to the system configuration. While that may happen if things go > wrong during a test we should probably avoid actively doing this and > either only skip or try to umount at the end of the test if we mounted > ourselves. Oh, I didn't know that. I need to update ftracetest to unmount tracefs if it is not mounted. Thanks! -- Masami Hiramatsu (Google) <mhiramat@xxxxxxxxxx>
