On Fri, 17 Aug 2018 01:40:02 +0900 Masami Hiramatsu <mhira...@kernel.org> wrote:
> Add a testcase for function profiling per-cpu statistics > interface. There is already func_profile.tc, but that is > mainly focusing on the combination of function-profiler > and function tracer. This testcase ensures trace_stat > per-cpu function statistics is correctly updated. > > Signed-off-by: Masami Hiramatsu <mhira...@kernel.org> > --- > .../ftrace/test.d/ftrace/func_profile_stat.tc | 23 > ++++++++++++++++++++ > 1 file changed, 23 insertions(+) > create mode 100644 > tools/testing/selftests/ftrace/test.d/ftrace/func_profile_stat.tc > > diff --git > a/tools/testing/selftests/ftrace/test.d/ftrace/func_profile_stat.tc > b/tools/testing/selftests/ftrace/test.d/ftrace/func_profile_stat.tc > new file mode 100644 > index 000000000000..1d2440d80ec3 > --- /dev/null > +++ b/tools/testing/selftests/ftrace/test.d/ftrace/func_profile_stat.tc > @@ -0,0 +1,23 @@ > +#!/bin/sh > +# SPDX-License-Identifier: GPL-2.0 > +# description: ftrace - function profiling > + > +[ ! -f function_profile_enabled ] && exit_unsupported > + > +: "Enable function profile" > +echo 1 > function_profile_enabled > + > +: "Profile must be updated" > +cp trace_stat/function0 $TMPDIR/ > +( echo "forked"; sleep 1 ) > +: "diff returns 0 if there is no difference" > +! diff trace_stat/function0 $TMPDIR/function0 > + > +echo 0 > function_profile_enabled > + > +: "Profile must NOT be updated" > +cp trace_stat/function0 $TMPDIR/ > +( echo "forked"; sleep 1 ) > +: "diff returns 0 if there is no difference" > +diff trace_stat/function0 $TMPDIR/function0 > + Can remove the last empty line from the file. Other than that... Acked-by: Steven Rostedt (VMware) <rost...@goodmis.org> -- Steve -- Steve
