On Fri, 24 Aug 2018 19:20:18 -0400 Steven Rostedt <rost...@goodmis.org> wrote:
> 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. Yes, thank you for pointing it out. > > Other than that... > > Acked-by: Steven Rostedt (VMware) <rost...@goodmis.org> Thanks! > > -- Steve > > -- Steve -- Masami Hiramatsu <mhira...@kernel.org>
