From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 58F9410A62C9 for ; Thu, 26 Mar 2026 13:05:40 +0000 (UTC) Received: from list by lists.xenproject.org with outflank-mailman.1264062.1555786 (Exim 4.92) (envelope-from ) id 1w5kOm-0003TM-33; Thu, 26 Mar 2026 13:05:20 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 1264062.1555786; Thu, 26 Mar 2026 13:05:20 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1w5kOl-0003TF-VY; Thu, 26 Mar 2026 13:05:19 +0000 Received: by outflank-mailman (input) for mailman id 1264062; Thu, 26 Mar 2026 13:05:19 +0000 Received: from mx.expurgate.net ([195.190.135.10]) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1w5kOl-0003T9-8H for xen-devel@lists.xenproject.org; Thu, 26 Mar 2026 13:05:19 +0000 Received: from mx.expurgate.net (helo=localhost) by mx.expurgate.net with esmtp id 1w5kOk-004T1z-K2 for xen-devel@lists.xenproject.org; Thu, 26 Mar 2026 14:05:18 +0100 Received: from [10.42.69.2] (helo=localhost) by localhost with ESMTP (eXpurgate MTA 0.9.1) (envelope-from ) id 69c52f0e-bab6-0a2a0a5309dd-0a2a4502ad28-2 for ; Thu, 26 Mar 2026 14:05:18 +0100 Received: from [202.12.124.144] (helo=fout-b1-smtp.messagingengine.com) by tlsNG-720697.mxtls.expurgate.net with ESMTPS (eXpurgate 4.55.2) (envelope-from ) id 69c52f0d-63bb-0a2a45020019-ca0c7c908c01-3 for ; Thu, 26 Mar 2026 14:05:18 +0100 Received: from phl-compute-05.internal (phl-compute-05.internal [10.202.2.45]) by mailfout.stl.internal (Postfix) with ESMTP id 89D131D00251; Thu, 26 Mar 2026 09:05:16 -0400 (EDT) Received: from phl-frontend-03 ([10.202.2.162]) by phl-compute-05.internal (MEProxy); Thu, 26 Mar 2026 09:05:16 -0400 Received: by mail.messagingengine.com (Postfix) with ESMTPA; Thu, 26 Mar 2026 09:05:15 -0400 (EDT) X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" Authentication-Results: eu.smtp.expurgate.cloud; dkim=pass header.s=fm1 header.d=invisiblethingslab.com header.i="@invisiblethingslab.com" header.h="Cc:Content-Type:Date:From:In-Reply-To:Message-ID:MIME-Version:References:Subject:To"; dkim=pass header.s=fm1 header.d=messagingengine.com header.i="@messagingengine.com" header.h="Cc:Content-Type:Date:Feedback-ID:From:In-Reply-To:Message-ID:MIME-Version:References:Subject:To:X-ME-Proxy:X-ME-Sender" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= invisiblethingslab.com; h=cc:cc:content-type:content-type:date :date:from:from:in-reply-to:in-reply-to:message-id:mime-version :references:reply-to:subject:subject:to:to; s=fm1; t=1774530316; x=1774616716; bh=CfmFvw8ObXq44CC8f+3G32ZkEUy+9zkHgLU1j+/oiGA=; b= pX6SMjB6A+lh6JVvAer4Z2PDb7xVKcTaOzu2X1deSeXQoVse1bwM+DxeVeponIcr aV+b4slNx+8UPz75fmWxvYcF8ia7ZzC4egL/B6hb3/pxHpH2CrAhrwpqv3Zf0vrl zsuHkWvN7aeh7UG7/4ECjThcL8q8oEW96pV+9lsE/PMoaw2FDLiMux1goZQU19cR mcDUzgkGp2LDFYNvplunz8N4xPWHzMFU505nUl7ADns59uDLzFKB9UQsfLzXNwVm tA5Sk4FIxU/NujUjFrsotOQo5onIPtllG+yw8Iz8r9C+ny92s09U50IUX6SOld3t kmwOsUcgOs4y0JSGuuRGMg== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:cc:content-type:content-type:date:date :feedback-id:feedback-id:from:from:in-reply-to:in-reply-to :message-id:mime-version:references:reply-to:subject:subject:to :to:x-me-proxy:x-me-sender:x-me-sender:x-sasl-enc; s=fm1; t= 1774530316; x=1774616716; bh=CfmFvw8ObXq44CC8f+3G32ZkEUy+9zkHgLU 1j+/oiGA=; b=kqrFfOxvaDBmx7TUe1D4oXT+4EjeDucTQH3SwxeR5l1oSDtmyAq NZpNFMs15414El0l3UCgECe66Oo/ifHisglADWH7lTDhU9t9UAjsuw80zZNXQ2UI GRjl84/8DGQwMw0W8tD/sA5mP8d55enWr1WOjqHs/SjYVjVYHY+oxjpf+HADLlCe Wb94MTgUaMnWT9LOZYadcROwRZAOv6E4JMppq7Z9vBBoIJGcDS8p3bjQIyyHr4s1 YjkaNG9mPvNQGya6cndRJP3nm36LrN0xxdvPW8tZ+M+r8R273sFvTpHjBQqnHJ2Z 9Rs7ZjldauyRO6ux8iQCnCauEWbjnOQEz+g== X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgeefgedrtddtgdefvdejgeeiucetufdoteggodetrf dotffvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfurfetoffkrfgpnffqhgenuceu rghilhhouhhtmecufedttdenucesvcftvggtihhpihgvnhhtshculddquddttddmnecujf gurhepfffhvfevuffkfhggtggujgesghdtroertddtjeenucfhrhhomhepofgrrhgvkhcu ofgrrhgtiiihkhhofihskhhiqdfikphrvggtkhhiuceomhgrrhhmrghrvghksehinhhvih hsihgslhgvthhhihhnghhslhgrsgdrtghomheqnecuggftrfgrthhtvghrnheptdetvdfh kedutedvleffgeeutdektefhtefhfffhfeetgefhieegledvtddtkedtnecuvehluhhsth gvrhfuihiivgeptdenucfrrghrrghmpehmrghilhhfrhhomhepmhgrrhhmrghrvghksehi nhhvihhsihgslhgvthhhihhnghhslhgrsgdrtghomhdpnhgspghrtghpthhtohepvddpmh houggvpehsmhhtphhouhhtpdhrtghpthhtohepjhgsvghulhhitghhsehsuhhsvgdrtgho mhdprhgtphhtthhopeigvghnqdguvghvvghlsehlihhsthhsrdigvghnphhrohhjvggtth drohhrgh X-ME-Proxy: Feedback-ID: i1568416f:Fastmail Date: Thu, 26 Mar 2026 14:05:13 +0100 From: Marek =?utf-8?Q?Marczykowski-G=C3=B3recki?= To: Jan Beulich Cc: xen-devel Subject: Re: Slow (higher scheduling latency?) system after S3 - regression 4.17 -> 4.19 ? Message-ID: References: <330c25da-1f7b-4af1-b14c-1c5e732ea441@suse.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="wmr8rh80rw3UCODT" Content-Disposition: inline In-Reply-To: <330c25da-1f7b-4af1-b14c-1c5e732ea441@suse.com> X-purgate-ID: tlsNG-720697/1774530318-40497DB8-461E029F/0/0 X-purgate-type: clean X-purgate-size: 1631 --wmr8rh80rw3UCODT Content-Type: text/plain; protected-headers=v1; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Date: Thu, 26 Mar 2026 14:05:13 +0100 From: Marek =?utf-8?Q?Marczykowski-G=C3=B3recki?= To: Jan Beulich Cc: xen-devel Subject: Re: Slow (higher scheduling latency?) system after S3 - regression 4.17 -> 4.19 ? On Thu, Mar 26, 2026 at 09:21:16AM +0100, Jan Beulich wrote: > On 25.03.2026 20:13, Marek Marczykowski-G=C3=B3recki wrote: > > In the "bad" case, I see this extra line: > > (XEN) [ 6.902973] Platform timer appears to have unexpectedly wrappe= d 1 times. > >=20 > > But in an earlier run of the same build it's not there. >=20 > And in that earlier run, did the post-S3 delays also not occur? Regardless of the above message, the "bad" build had the post-S3 delays. --=20 Best Regards, Marek Marczykowski-G=C3=B3recki Invisible Things Lab --wmr8rh80rw3UCODT Content-Type: application/pgp-signature; name=signature.asc -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEhrpukzGPukRmQqkK24/THMrX1ywFAmnFLwkACgkQ24/THMrX 1yxPAggAi4IQWNFeDMBkERl2jU5dyB+uxKWr8aRqOsi8Cc8MesL8mD4579Qk1REs Pyid79VVRXj3vWjZ79nOqwsrSIKRSH8p7JnpsfnVkM3a+5IevpViAPVLKf3bTfKi nmz/sdndePgMg5MUlnDApZkbN895SY/cJbitlEQCWE3N8RJAqvl7cAx+GGxED6Bw 0UtBncefNakSrSs440Sr2PxvUsF1tDOoqdKWOeNBZ/ljlqBryx00R7vH0pPC7p47 EB7qo0cqDcK8so9EjtmwYn0HW7a+Wo+xVnqBcWvajMDzr1C6BtW5BJaCkzKej6bj KUzvUUTwnLniu3t1niOsRcOllWhwFw== =sU6H -----END PGP SIGNATURE----- --wmr8rh80rw3UCODT--