On Fri, 17 Aug 2018 01:41:27 +0900 Masami Hiramatsu <mhira...@kernel.org> wrote:
> Add a simple testcase for trace_pipe which can consume > ringbuffer. > > Signed-off-by: Masami Hiramatsu <mhira...@kernel.org> > --- > .../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 -- 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
