Commit 0c2dd44d authored by Masami Hiramatsu (Google)'s avatar Masami Hiramatsu (Google) Committed by Steven Rostedt (Google)
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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: default avatarMasami Hiramatsu (Google) <mhiramat@kernel.org>
Signed-off-by: default avatarSteven Rostedt (Google) <rostedt@goodmis.org>
parent 91fce23a

tools/testing/selftests/ftrace/test.d/dynevent/add_remove_fprobe_repeat.tc

0 → 100644
+19 −0
Original line number Diff line number Diff line 
#!/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