From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4F4F01F76CB; Fri, 27 Dec 2024 15:13:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1735312382; cv=none; b=uVQDnu6xjxwDh8+UdeBN1HdIaEA81K9V1xjUYbafx9fpUPneAv49qlrFwk4bZ5tC1yCXsz5f7CbKL8S+eNCpcDVjI6Tq4NqI1bKrXjxaAa7vSRDR3aF8BG6ebNVD5mOIa86HOSniRd+yRfiGI8I4a+9d4tgiYQPOCn3/uy2avJ0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1735312382; c=relaxed/simple; bh=oJ3yFRW9Jnaer06xHUefX4D0CGMohYefschKIJb5ioQ=; h=Message-ID:Date:From:To:Cc:Subject:References:MIME-Version: Content-Type; b=kLnFNLVSE8BIw00hC4qQ1cLmLLsjbo9FvAY//a+4DMmKBYGe5TXPlRwNE8+t7eSRb8O5wHFV2jgF3qItgqUSFliQ0Eupp2MuQynDSe/cEFSHpaaWEFE04v1I56hyvrb+2GIx9phcK8DNNntw/ls8mJRUbzhRImM3EkwuraxkHY0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 Received: by smtp.kernel.org (Postfix) with ESMTPSA id E7BDDC4CEF2; Fri, 27 Dec 2024 15:13:01 +0000 (UTC) Received: from rostedt by gandalf with local (Exim 4.98) (envelope-from ) id 1tRC2N-0000000GxZx-1s4z; Fri, 27 Dec 2024 10:14:03 -0500 Message-ID: <20241227151403.297285195@goodmis.org> User-Agent: quilt/0.68 Date: Fri, 27 Dec 2024 10:13:51 -0500 From: Steven Rostedt To: linux-kernel@vger.kernel.org Cc: Masami Hiramatsu , Mark Rutland , Mathieu Desnoyers , Andrew Morton , Alexei Starovoitov , Florent Revest , Martin KaFai Lau , bpf , Alexei Starovoitov , Jiri Olsa , Alan Maguire Subject: [for-next][PATCH 16/18] selftests/ftrace: Add a test case for repeating register/unregister fprobe References: <20241227151335.898746489@goodmis.org> Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 From: "Masami Hiramatsu (Google)" 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 Cc: Florent Revest Cc: Martin KaFai Lau Cc: bpf Cc: Alexei Starovoitov Cc: Jiri Olsa Cc: Alan Maguire Cc: Mark Rutland Link: https://lore.kernel.org/173519009398.391279.4625924605120064761.stgit@devnote2 Signed-off-by: Masami Hiramatsu (Google) Signed-off-by: Steven Rostedt (Google) --- .../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 --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[:[/][]] [%return] []":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 -- 2.45.2