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 B1A04200CC; Sun, 25 Feb 2024 15:21:21 +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=1708874481; cv=none; b=W61gRgG2DUdKeWGaVawg1czybVbA82ty6JOvvhuNOo+8RTyfqOKtibUfZh3YHfxbO50vzHd9DD0dBXo1dRoCNJ8yYvpiLOclDvtGL96PZY/6mJoAbYVHEiSuMSycaqKAufTieLqGcHx45ZZ7GQieCaOjt7LSwF3FFaAUpoxUyEw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708874481; c=relaxed/simple; bh=MTl3WOEWmkU7N1ZYT3IdZA3wW+cclx8nbkw1UKe91tQ=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version:Content-Type; b=JkSjyWCEg2G5AV7gW9H5uR7DwhUxIKhAJF3ae8VCg68R5eRdYOzXcCoackOuY9SEaVNhV6qWMWglCpMHU339Wb3zGIY5yFWlSzfCy26szk9kcMsY3J8VRpWJlb0cEX7tg4Xkl7n7f1+crT2vCXMzNhDd42wHqmqNMxlSET0MXC0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Fw1AueGR; 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="Fw1AueGR" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 3598BC433C7; Sun, 25 Feb 2024 15:21:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1708874481; bh=MTl3WOEWmkU7N1ZYT3IdZA3wW+cclx8nbkw1UKe91tQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Fw1AueGRb2KQmS61rUO9jknGuHDwBG7LcUOwLUQUHYxY2vuhuI7l07Y/sKsT5cqMj dM/eVnB3YOBaj0zV2ggmDgTaptZjsfX+vNMnCLgYlNJMegoM0vaXVk0dOOV5ZFMy7i QVkgOZe+IgCDx6s5VBJcJkeiXg+oM1X0BnYDhAzkJHRxMKSVDMMn9G+S4MwW7MX5ks 3j7k3wOWvB0Y+TyW7/CJGuWliK2KJjwpA0ZgULriTmNZY2oS5Qm1ntlGP2981Z+GqB NBdEpF509lKjTCUu0W+jxulY53nLH0CYEduo62LFOQ5tyXH6BhtH7EY6rlcWDZjKJr CJwbRU8PtaN2A== 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 v8 34/35] selftests/ftrace: Add a test case for repeating register/unregister fprobe Date: Mon, 26 Feb 2024 00:21:15 +0900 Message-Id: <170887447585.564249.7419303589804062497.stgit@devnote2> X-Mailer: git-send-email 2.34.1 In-Reply-To: <170887410337.564249.6360118840946697039.stgit@devnote2> References: <170887410337.564249.6360118840946697039.stgit@devnote2> User-Agent: StGit/0.19 Precedence: bulk X-Mailing-List: linux-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