From nobody Mon Oct 6 13:40:19 2025 Received: from mxhk.zte.com.cn (mxhk.zte.com.cn [160.30.148.34]) (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 470788460 for ; Mon, 21 Jul 2025 01:41:18 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=160.30.148.34 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753062083; cv=none; b=k9qEtyy4e37LRFrl49lkpM8HR6mZxkqhd3HD+3mZFc7H1ITN4mxs47Pm6WHS6yb+2MgjATsFLKs2EZtIzHjhc0yeh09MDW+slj1Ha78deEp/8LpWD7mj0pSf3obf6MZe3QMZucvptgKSga2sPXsT1l89diUu8J8YBZ2qt5k10LI= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753062083; c=relaxed/simple; bh=gqZaiYwhwnUTOLilMn+ZD61sJ8dFCC6LNa18Nx1PEsA=; h=Date:Message-ID:Mime-Version:From:To:Cc:Subject:Content-Type; b=B/913dzuxI61f5NPHT14P+NkiUAEHLLaLvvNxWqYMEphVAg/by/Kvl5yMR7KTm8ptLKzScoNkJeIecifxACV9Xc8k+ZN79GOIb/GWUbYjJnu/xmRNL3hgWE4c72oKa2ritrWu2gV+ANLtGSTexAS5u/Bvf7Qpe4rVuQCfJ1aFYg= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=zte.com.cn; spf=pass smtp.mailfrom=zte.com.cn; arc=none smtp.client-ip=160.30.148.34 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=zte.com.cn Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=zte.com.cn Received: from mse-fl2.zte.com.cn (unknown [10.5.228.133]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange x25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mxhk.zte.com.cn (FangMail) with ESMTPS id 4bljm63dQdz6FyBs; Mon, 21 Jul 2025 09:41:10 +0800 (CST) Received: from njy2app03.zte.com.cn ([10.40.13.14]) by mse-fl2.zte.com.cn with SMTP id 56L1enVX004140; Mon, 21 Jul 2025 09:40:49 +0800 (+08) (envelope-from jiang.kun2@zte.com.cn) Received: from mapi (njy2app01[null]) by mapi (Zmail) with MAPI id mid204; Mon, 21 Jul 2025 09:40:49 +0800 (CST) Date: Mon, 21 Jul 2025 09:40:49 +0800 (CST) X-Zmail-TransId: 2af9687d9aa1fffffffffcc-ad826 X-Mailer: Zmail v1.0 Message-ID: <20250721094049958ImB8XG_imntcPqpQn1KfG@zte.com.cn> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 From: To: , , Cc: , , , Subject: =?UTF-8?B?W1BBVENIIGxpbnV4IG5leHRdIE1BSU5UQUlORVJTOiBhZGQgbWFpbnRhaW5lcnMgZm9yIGRlbGF5dG9w?= X-MAIL: mse-fl2.zte.com.cn 56L1enVX004140 X-TLS: YES X-SPF-DOMAIN: zte.com.cn X-ENVELOPE-SENDER: jiang.kun2@zte.com.cn X-SPF: None X-SOURCE-IP: 10.5.228.133 unknown Mon, 21 Jul 2025 09:41:10 +0800 X-Fangmail-Anti-Spam-Filtered: true X-Fangmail-MID-QID: 687D9AB6.001/4bljm63dQdz6FyBs Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Wang Yaxin The delaytop tool supports showing system delays and task-level delays, effectively identifying the top-n tasks with high latency in the system, which is highly beneficial for improving system performance. Wang Yaxin and her colleague Fan Yu focus on locating system delay issues. To promote the thriving development of delaytop, we hope to serve as maintainers to continuously improve it, aiming to provide a more effective solution for system latency issues in the future. Signed-off-by: Wang Yaxin Signed-off-by: Fan Yu Reviewed-by: Yang Yang --- MAINTAINERS | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/MAINTAINERS b/MAINTAINERS index d635369a4f6c..e6fec6b0055d 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -19524,6 +19524,16 @@ S: Maintained F: include/linux/delayacct.h F: kernel/delayacct.c +TASK DELAY MONITORING TOOLS +M: Andrew Morton +M: Wang Yaxin +M: Fan Yu +L: linux-kernel@vger.kernel.org +S: Maintained +F: Documentation/accounting/delay-accounting.rst +F: tools/accounting/delaytop.c +F: tools/accounting/getdelays.c + PERFORMANCE EVENTS SUBSYSTEM M: Peter Zijlstra M: Ingo Molnar --=20 2.25.1