From patchwork Tue Dec 10 02:12:26 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Masami Hiramatsu (Google)" X-Patchwork-Id: 13900641 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 897FB199234; Tue, 10 Dec 2024 02:12:31 +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=1733796752; cv=none; b=VT9gctDI9qGtIamB+wyKs4iGGArHCav+CcBVhlnrjEBalcfI9oyS9YLdwrbO+8uaRwqaZqaRgRzvjj6xufLw48xYWGNiBa+wdAiaKe8JyeSXgoxkhg1lQuNRNAzy6eJQSilw6wKdDC2omlcIraPw0J2ZgzuVNwqzb6dm6dvlihg= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733796752; c=relaxed/simple; bh=MTl3WOEWmkU7N1ZYT3IdZA3wW+cclx8nbkw1UKe91tQ=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=kuQIODleyK2Olgh+NnIu4+/e1O3lrCR7RCasZU1EKeudtz46aIWgYX918NRE+lJBvPgQ8Nq4OrwyIFsJ7QoAur2uNngJEsePjr+SVAA544aNGlpkrZWRD4OqMjdAbiaO+8P6/jC0DVQwrSB2pY6tXf9ASa8Yu7EzhNbZaXUaSXo= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=QpU9+oN8; 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="QpU9+oN8" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 54480C4CED1; Tue, 10 Dec 2024 02:12:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1733796751; bh=MTl3WOEWmkU7N1ZYT3IdZA3wW+cclx8nbkw1UKe91tQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=QpU9+oN8zT0DNK8zNUKYTS76uR1ss49VVkNT9tc4bj+HWlMFTEDfac7o/2eDCibZf AXblBIeittXLrHGgVb+EUHFMa8hEZCnva5pXafIkhI1qw7yXW+M7wJ/RkqaTLYWjzu 7T7L4+S6QlfgfEEIj18WnojQYBmI182iki37gjaSiRWjhf4mqQOlw9KePX3CPe0b6D bVkGltqCsZJHlSfpQSFEpkruIdfkaCYQIu6CDKZ81TKpspZYgo0sjw88cooRvqD1+y wFM4a4U+RJ2vwXEhl9Y53aeI4nV0r311XLJPK10Smr0z+NiNUXDy8SrzxaMd1fe0Gx AGEPeY4SBJMDg== 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 v21 17/20] selftests/ftrace: Add a test case for repeating register/unregister fprobe Date: Tue, 10 Dec 2024 11:12:26 +0900 Message-ID: <173379674599.973433.10962280538397238549.stgit@devnote2> X-Mailer: git-send-email 2.43.0 In-Reply-To: <173379652547.973433.2311391879173461183.stgit@devnote2> References: <173379652547.973433.2311391879173461183.stgit@devnote2> User-Agent: StGit/0.19 Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 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