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 B637E3A8F0; Wed, 16 Oct 2024 01:00:44 +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=1729040444; cv=none; b=ogDs2FUs4WJPKmcZUm+x2xau74SweyYUr0zzicsCELiOBWRunxRmvfM8gpN37e9wdAqkPpLOF7bvaIE23MGwSI4sg1aAIJoEm0htnduzrzdQXOyN/0e5qKKdrcI/XQxCLAP31U8BywgSaLN/iAayRqAy6xdRJwg9B78z2zDVtFE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729040444; c=relaxed/simple; bh=MTl3WOEWmkU7N1ZYT3IdZA3wW+cclx8nbkw1UKe91tQ=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=Gf7Ro+xH3dXvqRpiYe18IKIiWZaCFvkXptiscB0AMUTNtnuiWb2El7ovQEzLlqPH3we91oAwyvak9zIQspwWQWvfuVX8vHzw21VjVsOadMOm14rZOBdH15D0FMSS5QYTJbBR/oWm0m0Jupj8YK7gSYT3aJa6mFtPhzwFDOB2qBo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=lsrl07M1; 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="lsrl07M1" Received: by smtp.kernel.org (Postfix) with ESMTPSA id DA479C4CEC6; Wed, 16 Oct 2024 01:00:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1729040444; bh=MTl3WOEWmkU7N1ZYT3IdZA3wW+cclx8nbkw1UKe91tQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=lsrl07M1wj4j52N39CtRl0HGc0MTJMCSxGEU7jdg74ZAiCQLGlla7FEbgrPPOC1y2 sFHnOHmgX2yNyBxuMQsxlI6Uu8UvDe+XaLVN9dRvuLRtmBQ+3Y1qGJhnQvx6zXngW6 RKWoHNFmwgQiY62oubnYyGK9JStReGmaz20yCuMH5+f37MVPrNyUzm0YkqcaQSvIoD jIcSHyqehhVuS7k9NOR1l2b2h4wZJmzEu+iAoY550VIMkbI41LcjocupO0i+ae3bHH eTUoVlH6IeepDLNtSo7OsqWcCUq6/B4xXPcMJIPSKou3R8wZ+kPbrAcUcvl0TlvwY0 FCGH2peIxdghw== 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 v17 14/16] selftests/ftrace: Add a test case for repeating register/unregister fprobe Date: Wed, 16 Oct 2024 10:00:39 +0900 Message-ID: <172904043913.36809.14395431466868457094.stgit@devnote2> X-Mailer: git-send-email 2.43.0 In-Reply-To: <172904026427.36809.516716204730117800.stgit@devnote2> References: <172904026427.36809.516716204730117800.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