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