On Fri, 17 Aug 2018 01:41:55 +0900 Masami Hiramatsu <mhiramat@xxxxxxxxxx> wrote: > Add a test case for stacktrace filter command for ftrace. > > Signed-off-by: Masami Hiramatsu <mhiramat@xxxxxxxxxx> > --- > .../ftrace/test.d/ftrace/func-filter-stacktrace.tc | 12 ++++++++++++ > 1 file changed, 12 insertions(+) > create mode 100644 tools/testing/selftests/ftrace/test.d/ftrace/func-filter-stacktrace.tc > > diff --git a/tools/testing/selftests/ftrace/test.d/ftrace/func-filter-stacktrace.tc b/tools/testing/selftests/ftrace/test.d/ftrace/func-filter-stacktrace.tc > new file mode 100644 > index 000000000000..ec0d8216d509 > --- /dev/null > +++ b/tools/testing/selftests/ftrace/test.d/ftrace/func-filter-stacktrace.tc > @@ -0,0 +1,12 @@ > +#!/bin/sh > +# SPDX-License-Identifier: GPL2.0 > +# description: ftrace - stacktrace filter command Add: # flags: instance > + > +echo _do_fork:stacktrace >> set_ftrace_filter > + > +grep -q "_do_fork:stacktrace:unlimited" set_ftrace_filter > + > +(echo "forked"; sleep 1) > + > +grep -q "<stack trace>" trace > + Can remove the extra line. -- Steve