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 57671B652; Fri, 6 Dec 2024 00:12:24 +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=1733443945; cv=none; b=nyx2xeXRlb5BuydVcIs8bqTny/0FqawUzsw/5I1LlVVPcyKfzXhGkaSJ5nuWUIgAlmNmm7r8mVR+d274Qwh4+ANG9S6Tlui21WdQqIPEvoYyX8fFVyJSxWXb/yDiO+QUus5Swm8XA8dY145Lm2N4n2A41tFJldCvmeH4uMjFp9U= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733443945; c=relaxed/simple; bh=MTl3WOEWmkU7N1ZYT3IdZA3wW+cclx8nbkw1UKe91tQ=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=OHlj/4MWGs1FTqwrZZkV8uxxRNPV0pevvxjgj9EFTXCDA0O3ald+SsLS5sdTsvlYWEqlyymceH3tkixvy0/gYHRzxpFn2tMiCaLx4XbuAO/bMqIZY3sEkgEbAGoPVktOHLOW9n0hh96h+N5QV78G4zqklGkGoaMOAimKL8JGpgE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=cuxk5Sp5; 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="cuxk5Sp5" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 051B4C4CEDD; Fri, 6 Dec 2024 00:12:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1733443944; bh=MTl3WOEWmkU7N1ZYT3IdZA3wW+cclx8nbkw1UKe91tQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=cuxk5Sp5QYZHWLqltZM7ZMcX8AlKjCoH2mtf2oMdH0a9ljBQ1KOHNIJ+IHxeScLr5 SISSaBidYu13QUsA1fI47IhTYSthNE5ZGqirMxjofZDigTreaoDlR5l5BuDz5hyvNk eQF1qEPGWoa5LEq11XckN6Ygd2Qbv2xqA/sI1tHzytXM8iD67eZTHKY0VOhalDxArO 6EMEu6+juYJyOpZMvmfMCXxaOEFAJpMUm1MJT9HMd9Mi818MR9DaBidRNt8hG51YaX CkVlFSsJgC9hPRl2fbuTf/b7LfahSuBWy0dtPg+Gnbxc0YSSeTh+c9LPWG9g9enDpt 0Jch1wLBUg9Tg== From: "Masami Hiramatsu (Google)" To: Alexei Starovoitov , Steven Rostedt , Florent Revest Cc: linux-trace-kernel@vger.kernel.org, LKML , Martin KaFai Lau , bpf , Alexei Starovoitov , Jiri Olsa , Alan Maguire , Mark Rutland , linux-arch@vger.kernel.org Subject: [PATCH v20 16/19] selftests/ftrace: Add a test case for repeating register/unregister fprobe Date: Fri, 6 Dec 2024 09:12:19 +0900 Message-ID: <173344393958.50709.12251302243554551661.stgit@devnote2> X-Mailer: git-send-email 2.43.0 In-Reply-To: <173344373580.50709.5332611753907139634.stgit@devnote2> References: <173344373580.50709.5332611753907139634.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