diff options
| author | Masami Hiramatsu (Google) <mhiramat@kernel.org> | 2024-03-04 12:41:05 +0900 |
|---|---|---|
| committer | Masami Hiramatsu (Google) <mhiramat@kernel.org> | 2024-03-07 00:27:44 +0900 |
| commit | f6e2253a617c4030b807a18383101b59d6f0f536 (patch) | |
| tree | 80c9372d3883e5f020ad4c5074bfde5c851a1081 /tools/testing/selftests/ftrace/test.d/dynevent/fprobe_entry_arg.tc | |
| parent | 25f00e40ce7953db197af3a59233711d154c9d80 (diff) | |
selftests/ftrace: Add test cases for entry args at function exit
Add kretprobe and function exit probe test cases for checking whether
those can access entry arguments at function exit correctly.
Link: https://lore.kernel.org/all/170952366504.229804.11605173085475141091.stgit@devnote2/
Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Diffstat (limited to 'tools/testing/selftests/ftrace/test.d/dynevent/fprobe_entry_arg.tc')
| -rw-r--r-- | tools/testing/selftests/ftrace/test.d/dynevent/fprobe_entry_arg.tc | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/tools/testing/selftests/ftrace/test.d/dynevent/fprobe_entry_arg.tc b/tools/testing/selftests/ftrace/test.d/dynevent/fprobe_entry_arg.tc new file mode 100644 index 000000000000..d183b8a8ecf8 --- /dev/null +++ b/tools/testing/selftests/ftrace/test.d/dynevent/fprobe_entry_arg.tc @@ -0,0 +1,18 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0 +# description: Function return probe entry argument access +# requires: dynamic_events 'f[:[<group>/][<event>]] <func-name>':README 'kernel return probes support:':README + +echo 'f:tests/myevent1 vfs_open arg=$arg1' >> dynamic_events +echo 'f:tests/myevent2 vfs_open%return arg=$arg1' >> dynamic_events + +echo 1 > events/tests/enable + +echo > trace +cat trace > /dev/null + +function streq() { + test $1 = $2 +} + +streq `grep -A 1 -m 1 myevent1 trace | sed -r 's/^.*(arg=.*)/\1/' ` |