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 24952168AEB; Tue, 7 May 2024 14:14:45 +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=1715091286; cv=none; b=B110DYa/zNudWwwO2OHbPgF6/Qw5RpVq2yaxvKdm1ilQYwGimGS5pCzWhlktoXZ2A0VObLz+lm1ExZxD3dAbrG+iS3dvp5r4jetuQRVP9D9bo8ZBXjA7DrdYwqPulIlUo9pyVaJ/OT6I9NyoF4OIhKSLJpVR2OGp2tOFdkYrhyk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1715091286; c=relaxed/simple; bh=MTl3WOEWmkU7N1ZYT3IdZA3wW+cclx8nbkw1UKe91tQ=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version:Content-Type; b=fGoDnCQZhdez1sQRfJI0rPx2J6RiO94s08VlwaQ0n3sHZz537E3Lrn9Uhdcv6xm58IXevEr8Vm+47Xwq3tkzygvn/88XO0BrjsJHdpDWBbKZcdo/q06pQzuEuq5QYK3+qVWQTI9Ltx5K/BkUWXZ5TjLkOtFXzHnP6T4jSofjejo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=nccRYUNM; 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="nccRYUNM" Received: by smtp.kernel.org (Postfix) with ESMTPSA id B9059C2BBFC; Tue, 7 May 2024 14:14:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1715091285; bh=MTl3WOEWmkU7N1ZYT3IdZA3wW+cclx8nbkw1UKe91tQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=nccRYUNMYZUZ3ckhZQmcKIkPsvCgS+nOneFgPacIUgstkic9K/TBxC1IM4y4tnSOe 8gc61EiYewJu+vgf+aiRX+xudIWOMV2o5GinxgqDoX8bn2iFRydvpje5XbPlaadkMS ymCY6w1bbUIgWCx3rDe5JCp7ucmSK1Xl03QXv0v7MKiZopeB2e8R4aY8aN5D8wBB9z H0jamH8RVKjPJuV3ccipji8yCHQQi9t5s+OKLePGakX41KdJK9V8eMmrLu76eubPMb zmCCveCi8E8PpeSW1E5ckY5Y4eY/lWqUIhSiqDKJUuUMLCLXuR346cSrwAqvw4GAHT SeVXUDNBxib3Q== 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 v10 34/36] selftests/ftrace: Add a test case for repeating register/unregister fprobe Date: Tue, 7 May 2024 23:14:39 +0900 Message-Id: <171509127938.162236.8886546199937190169.stgit@devnote2> X-Mailer: git-send-email 2.34.1 In-Reply-To: <171509088006.162236.7227326999861366050.stgit@devnote2> References: <171509088006.162236.7227326999861366050.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