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 0A31F13665D; Tue, 6 Feb 2024 15:14:05 +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=1707232445; cv=none; b=g78jd08lTn+sf2JkubVWD22v2HW3Cv/nOmBvUINNJjWqxdJ4EXsmZlA8+H+DAmge36wR4PKlUWma5q0e8gDfvbpWHu53AH5b+zAhIFPkrtCqt/1jjoVA5SEGJwcsm1VYrP4H3tIaZhn+3CQIkzStAGCOMqNdhv+hC9bjr3DJITU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707232445; c=relaxed/simple; bh=MTl3WOEWmkU7N1ZYT3IdZA3wW+cclx8nbkw1UKe91tQ=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version:Content-Type; b=outArACtuycZSlEvzRAQaCTaEjhycXhZMUyB5Yji50PqX7FXuG31Qy/Cv+gndK0Ssjohgcpcc9PPw3kseLqgpn4LpQxgV7ooCRalrxyIxw1AbBdhXGuZ8dPAn/U2ceBFLK5FwxSSOjTtV5ytXGmPeUcnlIzm91j0AiLqPDVJ0b8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=u5wpmdya; 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="u5wpmdya" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 20024C433F1; Tue, 6 Feb 2024 15:14:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1707232444; bh=MTl3WOEWmkU7N1ZYT3IdZA3wW+cclx8nbkw1UKe91tQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=u5wpmdyaGXwrtkPli2doQMGJemTKJgn1aQaqSl3zgtbMeQ6KbP7eRwMcaIMLfHCWO ObIksb/42fVqgUWuTTeUGnGXhYau30D7aL9PR9T++ff/AXL6lueUA5oiN8ymWd/eQt P8DdIIfygMlg8hfJbYEf9HKAPSmIKQkC5lRUcynLM81GDgWxKP43ZBCTkIMZ3id+P+ M/sVgnr3rwlzFFUHK3/ZeYHucAxRoKem0ZQaIGkauYfjHlvY/ZvEdviR8vuMuvmKej DC/DsOVqvGd/5yFon0ur91iFEnFMxquijASYt0eNAX9TTDBIalIbrKpsNbQXbYORhp z+qsTm/tZdwrw== 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 v7 35/36] selftests/ftrace: Add a test case for repeating register/unregister fprobe Date: Wed, 7 Feb 2024 00:13:58 +0900 Message-Id: <170723243869.502590.8138799732080228760.stgit@devnote2> X-Mailer: git-send-email 2.34.1 In-Reply-To: <170723204881.502590.11906735097521170661.stgit@devnote2> References: <170723204881.502590.11906735097521170661.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