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| author |   Masami Hiramatsu <mhiramat@kernel.org> | 2018-08-30 23:23:46 +0900 |
|---|---|---|
| committer |   Shuah Khan (Samsung OSG) <shuah@kernel.org> | 2018-10-24 14:49:36 -0600 |
| commit | 174fd823397a2f19905a20bbcf47907e30e58444 (patch) | |
| tree | 8b966cbae1bc41a18dfb76067c3cc9dfb84fd4d8 /tools/testing/selftests/ftrace | |
| parent | selftests/ftrace: Add function filter on module testcase (diff) | |
| download | wireguard-linux-174fd823397a2f19905a20bbcf47907e30e58444.tar.xz wireguard-linux-174fd823397a2f19905a20bbcf47907e30e58444.zip | |
selftests/ftrace: Add trace_pipe testcase
Add a simple testcase for trace_pipe which can consume
ringbuffer.
Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Shuah Khan (Samsung OSG) <shuah@kernel.org>
Diffstat (limited to 'tools/testing/selftests/ftrace')
| -rw-r--r-- | tools/testing/selftests/ftrace/test.d/00basic/trace_pipe.tc | 16 |
1 files changed, 16 insertions, 0 deletions
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 |