From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=100.103.45.18 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1793408767; b=wszi8kCceF3A7JuSVhKTLjiwB/2PdE8Hr+UpazPTv5Iyf6ZJEzkm3PzhWziTkXZorRra kp7BzlmoUG8QwdOPf1W4i2VkyD+RUWCGBKb1FMucHFN+cleaX6BpQeW2zXM+J+rZaxcZo uprI7RuvAMgkhwQlHJAE73MRMad3B6hXGpcCAuB6GBCQ9YMwwks45ZDO86kRG76hSvCEs pFdXvKNigeD3Wjyx/OUFI1sIZGvRaty6rB/AhYKOJT6TFG8rCabM2fq0ERmd7EHQMJSJi MBiJd4MmdYr7bqKcCRacecbu/4/8VRAG2y4VHlg19JErGJ1VWwhdYoP7o8LSVbh6Gqw== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1793408767; h=Received:DKIM-Signature:Date:From:To:Cc:Subject:Message-Id: In-Reply-To:References:X-Mailer:Mime-Version:Content-Type: Content-Transfer-Encoding; bh=9ElN1opo/jPcOkKar2AWvZTN902enBL4NXpXYrUIyoQ=; b=NCfs9BgdHc2kEc/2qcvREmAq2xRnwbgudDZMlHvXWsO2G9k82iXZgRY1Hhj1w12hvSPo eOUehzAp4ZEApsk8hfHxGl/SW3UQUEYeKNsYQ5NM20HqCcT4qE5kmGJGqiQR8Z0WdV5Tr Mbdl1dotFMePcb2Zn6aW38x5QR1x/BXPDgHRnhZmCu6+7OMS4A+tRer0G08pHolww75Dx 3cDG00LdIhx8c+ij4hXIY4YFxr81ZmJr3ZYc9U76ZL/JAka2NCxf3loBU8kHrfarhAAij QgYvhualIwXmFCUo1hFBX7WDN2vfU3NmsvJGAUkA+044NU5OlU/712NhPnIAvmp306g== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass header.d=linux-foundation.org header.i=@linux-foundation.org header.a=rsa-sha256 header.s=korg header.b=zJHt4Okk; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A3309606A31A; Sat, 31 Oct 2026 01:06:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key, unprotected) header.d=linux-foundation.org header.i=@linux-foundation.org header.a=rsa-sha256 header.s=korg header.b=zJHt4Okk Received: by smtp.kernel.org (Postfix) with ESMTPSA id D15D31F000C1; Sat, 31 Oct 2026 01:06:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux-foundation.org; s=korg; t=1793408766; bh=9ElN1opo/jPcOkKar2AWvZTN902enBL4NXpXYrUIyoQ=; h=Date:From:To:Cc:Subject:In-Reply-To:References; b=zJHt4OkkLqWb+SfS0yLgqSzpBhrr6IDRZVTnyke0ak1rLervTMEm++f7LxwsfRLfV rhr9ql2mf3cdEA8mO/UE6v99lim908PxZC0LkJzDk+9gVi2t4liBkMo/grOW/RxBd3 f/PQRkvp6UnZXeT0HHVGSz60NN9C3FIJTT/wuYAU= Date: Fri, 30 Oct 2026 18:06:05 -0700 From: Andrew Morton To: Cc: , , , , , , Subject: Re: [PATCH 0/3 v5] delaytop: add delay max, timestamp and sorting for top latency analysis Message-Id: <20261030180605.c65033cca1dea1dcd814c3a5@linux-foundation.org> In-Reply-To: <20260923210149015t-X8AvGrXfHE4PDn9gZOM@zte.com.cn> References: <20260923210149015t-X8AvGrXfHE4PDn9gZOM@zte.com.cn> X-Mailer: Sylpheed 3.8.0beta1 (GTK+ 2.24.33; x86_64-pc-linux-gnu) X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit On Wed, 23 Sep 2026 21:01:49 +0800 (CST) wrote: > Add delay max, timestamp of delay max and max-delay sorting to delaytop, > which can help quickly detect potential abnormal delays from a global > perspective and locate the top-N processes with the highest latency > spikes. Thanks, I'll queue this. Sashiko pointed at one pre-existing thing and noted that you "snuck" in a couple of bugfixes. No that this matters a lot ;) https://sashiko.dev/#/patchset/20260923210149015t-X8AvGrXfHE4PDn9gZOM@zte.com.cn