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 55EA515B96E; Tue, 15 Oct 2024 01:31:43 +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=1728955903; cv=none; b=e0Sw8MO0HY6PiFdYlbButC1DRQo5kwh5d9+YNoiZqBOSxHhyYmJN48rOR7lrizdAmEScGE2EBfcQ07cnAIy/h0r2qx+ibBJd61Lsxs3gfZbYG5GrkWaeQOTfZqJqDGbm8zKNJtII5Z4uSIFvBWCravJjb8KwLFEbhvBwzO/3KNs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728955903; c=relaxed/simple; bh=MTl3WOEWmkU7N1ZYT3IdZA3wW+cclx8nbkw1UKe91tQ=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=lW+wk2Tk0eUqPxlND+NWQCbQ8vnNlj1nnvzskNYPSKV4X25n0gV2e/JlsmZ6P8QVtdc/Nz8cfLkteVc9+OtjCDZH0SCnpGIqGaDYgKSOroLOTCJKkl7HgCND20jlOtYtTgZN/yW02//jqoaz+G5I47kJ3uqFx73XcWZYNqZC2xQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=p9iXoM+8; 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="p9iXoM+8" Received: by smtp.kernel.org (Postfix) with ESMTPSA id B42DFC4CEC6; Tue, 15 Oct 2024 01:31:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1728955903; bh=MTl3WOEWmkU7N1ZYT3IdZA3wW+cclx8nbkw1UKe91tQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=p9iXoM+8DYwt70jj7pT2hfKojGjo6ojgsnYH3ORt1Unrh5UxZLBvQPiAECmrdNCQC NOmG9xv8kuDfpnqdLuZKTp9ubrdFMavHnvjGeJXd4WeR0u8Hu6S/D24bKcOb/3e/2p m61CR3scvyBvO5CBJsf6pPxKZh3D2VaLfYh/7nt60HAbTgdvsc84fu4vxolDz6wobQ 1wBUdf3fOaDJgQTjGPYfqYLUPB6dM+ld6zHEyb4gTsji+D0c5gwvHNKeoW3Gugcnmi 45vnllOAqAaMA7oJymsEhimFibF4VbuDdIBcpzmPOqRjHIErPT7iJ1JNBRhBgC0+iM wPYRw2SZFx1Ew== 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 v16 16/18] selftests/ftrace: Add a test case for repeating register/unregister fprobe Date: Tue, 15 Oct 2024 10:31:38 +0900 Message-ID: <172895589871.107311.13693485408514512047.stgit@devnote2> X-Mailer: git-send-email 2.43.0 In-Reply-To: <172895571278.107311.14000164546881236558.stgit@devnote2> References: <172895571278.107311.14000164546881236558.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