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[v13,18/20] selftests/ftrace: Add a test case for repeating register/unregister fprobe

Message ID 172398546115.293426.3819835460896690383.stgit@devnote2 (mailing list archive)
State Not Applicable
Headers show
Series tracing: fprobe: function_graph: Multi-function graph and fprobe on fgraph | expand

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Commit Message

Masami Hiramatsu (Google) Aug. 18, 2024, 12:51 p.m. UTC 
From: Masami Hiramatsu (Google) <mhiramat@kernel.org>

This test case repeats define and undefine the fprobe dynamic event to
ensure that the fprobe does not cause any issue with such operations.

Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
---
 .../test.d/dynevent/add_remove_fprobe_repeat.tc    |   19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100644 tools/testing/selftests/ftrace/test.d/dynevent/add_remove_fprobe_repeat.tc
diff mbox series

Patch

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