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 8FD3D176ACB; Mon, 17 Jun 2024 01:49:40 +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=1718588980; cv=none; b=JYmXH7ZmqCm2mKoGYuDRQtZqxRqmBIHanCkkV4uDmjbyVxlZCXo4YeqmFaZvRcj4uy/TZvp01jth+nvC843gvYOFfDmPwYBJDojfLLJ6FUKDhUYR1WTvHQaVisdRHh726UE00iJwjbnBi8swO8NyE/0Mg5NWIzLd4kFaHHLb7wA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718588980; c=relaxed/simple; bh=MTl3WOEWmkU7N1ZYT3IdZA3wW+cclx8nbkw1UKe91tQ=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version:Content-Type; b=Q14ploVT4jeW9cuqXEgSkYMPMeJWHE0c4iwha41R0oixGe1m3iQraA92lZh6mgc6VS77tfzudhYkCORxIFNlZ9piETtBLN60Zd176fkYkXqFa4siiMzX4o/HOG+I0DVcdCTtCmMCmwR0WCXGZPbXYIFdUyRmGt3JTygw10gnvCM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=hRMG5G0U; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="hRMG5G0U" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 3631AC2BBFC; Mon, 17 Jun 2024 01:49:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1718588980; bh=MTl3WOEWmkU7N1ZYT3IdZA3wW+cclx8nbkw1UKe91tQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=hRMG5G0Ucn99ph5OH3dis49xVzWILMbx96xvAWygPgRzsQLktijoJSb7uNREsyife uezWBadakSSn3hOK6tVcSrz4j3V4SeKKRPsU7bnim2msybyyCxoGF3eCq7eq94aI/w R5BQW8aLYG18LLjQsHYiKllf2zWp1zBB/mfIeH8UEMGXd2ETO+0qcxaKhfewGWdsxI HBfwBDRxELv4MdDTWFA7wGE3TUy6gfbyyRQX7ARkEuM80p8OhT1egCkZJWvzwdQlbL RMRikGmo15Pri431/4RWSYLCMiF/pUUYA3730nOVtWnZeDBSgvyQmr193F94b+7tFB BbTDgiE+0YjSA== From: "Masami Hiramatsu (Google)" To: Alexei Starovoitov , Steven Rostedt , Florent Revest Cc: linux-trace-kernel@vger.kernel.org, LKML , Martin KaFai Lau , bpf , Sven Schnelle , Alexei Starovoitov , Jiri Olsa , Arnaldo Carvalho de Melo , Daniel Borkmann , Alan Maguire , Mark Rutland , Peter Zijlstra , Thomas Gleixner , Guo Ren Subject: [PATCH v11 16/18] selftests/ftrace: Add a test case for repeating register/unregister fprobe Date: Mon, 17 Jun 2024 10:49:34 +0900 Message-Id: <171858897398.288820.10111214744046943641.stgit@devnote2> X-Mailer: git-send-email 2.34.1 In-Reply-To: <171858878797.288820.237119113242007537.stgit@devnote2> References: <171858878797.288820.237119113242007537.stgit@devnote2> User-Agent: StGit/0.19 Precedence: bulk X-Mailing-List: linux-trace-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit 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. Signed-off-by: Masami Hiramatsu (Google) --- .../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 --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