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| author | Masami Hiramatsu (Google) <mhiramat@kernel.org> | 2024-12-26 08:14:54 +0300 |
|---|---|---|
| committer | Steven Rostedt (Google) <rostedt@goodmis.org> | 2024-12-26 18:50:06 +0300 |
| commit | 0c2dd44d3f9b1e6959cd201e2192cd55636d7bbb (patch) | |
| tree | 3b913d41f1a8736a06c40414d38d7e6101872e6e | |
| parent | 91fce23a08f6f8cc827b865d1870b7c39bf10455 (diff) | |
| download | linux-0c2dd44d3f9b1e6959cd201e2192cd55636d7bbb.tar.xz | |
selftests/ftrace: Add a test case for repeating register/unregister fprobe
This test case repeats define and undefine the fprobe dynamic event to
ensure that the fprobe does not cause any issue with such operations.
Cc: Alexei Starovoitov <alexei.starovoitov@gmail.com>
Cc: Florent Revest <revest@chromium.org>
Cc: Martin KaFai Lau <martin.lau@linux.dev>
Cc: bpf <bpf@vger.kernel.org>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Alan Maguire <alan.maguire@oracle.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Link: https://lore.kernel.org/173519009398.391279.4625924605120064761.stgit@devnote2
Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
| -rw-r--r-- | tools/testing/selftests/ftrace/test.d/dynevent/add_remove_fprobe_repeat.tc | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/tools/testing/selftests/ftrace/test.d/dynevent/add_remove_fprobe_repeat.tc b/tools/testing/selftests/ftrace/test.d/dynevent/add_remove_fprobe_repeat.tc new file mode 100644 index 000000000000..b4ad09237e2a --- /dev/null +++ b/tools/testing/selftests/ftrace/test.d/dynevent/add_remove_fprobe_repeat.tc @@ -0,0 +1,19 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0 +# description: Generic dynamic event - Repeating add/remove fprobe events +# requires: dynamic_events "f[:[<group>/][<event>]] <func-name>[%return] [<args>]":README + +echo 0 > events/enable +echo > dynamic_events + +PLACE=$FUNCTION_FORK +REPEAT_TIMES=64 + +for i in `seq 1 $REPEAT_TIMES`; do + echo "f:myevent $PLACE" >> dynamic_events + grep -q myevent dynamic_events + test -d events/fprobes/myevent + echo > dynamic_events +done + +clear_trace |