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 83771136347; Sun, 10 Nov 2024 15:52:05 +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=1731253925; cv=none; b=hQcAg41z0cDsBUtWTrBOvnUpFOEbzF/rXLAZzEHJZlxaBPY3sMBybV/m6dXVuRQDOTpMQmptOoQ3+djv7F/EPAw5AigvqEzRkBx0ZlnoGaZp8EUUD7Y4TTu457JvzrU+AEJ+f7o5vGdyeUOvCElITk/vt2KKaZY0CqE+cScV2rM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1731253925; c=relaxed/simple; bh=MTl3WOEWmkU7N1ZYT3IdZA3wW+cclx8nbkw1UKe91tQ=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=jJLxEv1YZW6TTkBee8OvaXgGe9/gW7dMQRi5SgMbxU2rTU99sNTuY6cUScfYJuX+vgHgQNmuvm1eOOFx63GtUzkaWJtGivOyTMXeT5sganbiyq1JA1ULLjK3aTAc1K/Aj2awvojsjBz/nqdHta6+U7eW3hU37HawTIAV8TLBrHE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=qsAR5RXT; 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="qsAR5RXT" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 612ACC4CECD; Sun, 10 Nov 2024 15:52:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1731253925; bh=MTl3WOEWmkU7N1ZYT3IdZA3wW+cclx8nbkw1UKe91tQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=qsAR5RXTmlUzDa7xg1P0UL2FrVnFMevrqWZPCkR5wM7n88lTUaTO/vT6Ghzi7zcAq asrZ3UcbrZvJ+eT215HvI7aJoKOoJ82Rg8uNGv1wVWafW9EYMoDajAryRnKT926C8H BYxFbEtWU0pvrAEY7W861stpoHVx39Q344mU+t9RPDLiTXZMWkTDNRI4oR6hpLGAr+ XjhDQHZXXRI2iFEu1ToBEChxQVfMaDgvnStyA2qw8k0dUpcvQy35UsXa7L9Q7O0inB Wff4enNOeaprg6wdOrCd1pNA2RbhCauQOp19186SnohTP+g9fUWmt6HgxgDnndUq14 ye4uAWliQl7wg== 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 v19 16/19] selftests/ftrace: Add a test case for repeating register/unregister fprobe Date: Mon, 11 Nov 2024 00:52:00 +0900 Message-ID: <173125392003.172790.6224691741259126677.stgit@devnote2> X-Mailer: git-send-email 2.43.0 In-Reply-To: <173125372214.172790.6929368952404083802.stgit@devnote2> References: <173125372214.172790.6929368952404083802.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