From 174fd823397a2f19905a20bbcf47907e30e58444 Mon Sep 17 00:00:00 2001 From: Masami Hiramatsu Date: Thu, 30 Aug 2018 23:23:46 +0900 Subject: selftests/ftrace: Add trace_pipe testcase Add a simple testcase for trace_pipe which can consume ringbuffer. Signed-off-by: Masami Hiramatsu Signed-off-by: Shuah Khan (Samsung OSG) --- .../selftests/ftrace/test.d/00basic/trace_pipe.tc | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) create mode 100644 tools/testing/selftests/ftrace/test.d/00basic/trace_pipe.tc (limited to 'tools/testing/selftests/ftrace') 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..5058fbcfd90f --- /dev/null +++ b/tools/testing/selftests/ftrace/test.d/00basic/trace_pipe.tc @@ -0,0 +1,16 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0 +# description: trace_pipe and trace_marker +# flags: instance + +[ ! -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 -- cgit v1.2.3-59-g8ed1b