On Fri, 24 Aug 2018 19:26:29 -0400 Steven Rostedt <rostedt@xxxxxxxxxxx> wrote: > On Fri, 17 Aug 2018 01:41:27 +0900 > Masami Hiramatsu <mhiramat@xxxxxxxxxx> wrote: > > > Add a simple testcase for trace_pipe which can consume > > ringbuffer. > > > > Signed-off-by: Masami Hiramatsu <mhiramat@xxxxxxxxxx> > > --- > > .../selftests/ftrace/test.d/00basic/trace_pipe.tc | 15 +++++++++++++++ > > 1 file changed, 15 insertions(+) > > create mode 100644 tools/testing/selftests/ftrace/test.d/00basic/trace_pipe.tc > > > > diff --git a/tools/testing/selftests/ftrace/test.d/00basic/trace_pipe.tc b/tools/testing/selftests/ftrace/test.d/00basic/trace_pipe.tc > > new file mode 100644 > > index 000000000000..a7dd6fda487a > > --- /dev/null > > +++ b/tools/testing/selftests/ftrace/test.d/00basic/trace_pipe.tc > > @@ -0,0 +1,15 @@ > > +#!/bin/sh > > +# SPDX-License-Identifier: GPL-2.0 > > +# description: trace_pipe and trace_marker > > Should add: > > # flags: instance Ah, right! Thanks! > > -- Steve > > > + > > +[ ! -f trace_marker ] && exit_unsupported > > + > > +echo "test input 1" > trace_marker > > + > > +: "trace interface never consume the ring buffer" > > +grep -q "test input 1" trace > > +grep -q "test input 1" trace > > + > > +: "trace interface never consume the ring buffer" > > +head -n 1 trace_pipe | grep -q "test input 1" > > +! grep -q "test input 1" trace > -- Masami Hiramatsu <mhiramat@xxxxxxxxxx>