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 X-Spam-Level: X-Spam-Status: No, score=-3.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6ED27C433E0 for ; Wed, 17 Mar 2021 17:17:46 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id D5C5E64E61 for ; Wed, 17 Mar 2021 17:17:45 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D5C5E64E61 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=NetBSD.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:56014 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lMZnk-0003Gm-O0 for qemu-devel@archiver.kernel.org; Wed, 17 Mar 2021 13:17:44 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:42598) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lMZXG-0000Aa-5Y for qemu-devel@nongnu.org; Wed, 17 Mar 2021 13:00:43 -0400 Received: from 13thmonkey.org ([80.100.255.32]:65350 helo=diablo.13thmonkey.org) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lMZXE-0008Rj-60 for qemu-devel@nongnu.org; Wed, 17 Mar 2021 13:00:41 -0400 Received: by diablo.13thmonkey.org (Postfix, from userid 103) id B46CFC13ADD; Wed, 17 Mar 2021 18:00:37 +0100 (CET) Date: Wed, 17 Mar 2021 18:00:37 +0100 From: Reinoud Zandijk To: Daniel =?iso-8859-1?Q?P=2E_Berrang=E9?= Subject: Re: Win10 always takes 100% cpu power even when idle Message-ID: References: MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="a1MG1ykjdTLTpYSo" Content-Disposition: inline In-Reply-To: Received-SPF: none client-ip=80.100.255.32; envelope-from=reinoud@diablo.13thmonkey.org; helo=diablo.13thmonkey.org X-Spam_score_int: -15 X-Spam_score: -1.6 X-Spam_bar: - X-Spam_report: (-1.6 / 5.0 requ) BAYES_00=-1.9, HEADER_FROM_DIFFERENT_DOMAINS=0.25, SPF_HELO_NONE=0.001, SPF_NONE=0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: qemu-devel@nongnu.org Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" --a1MG1ykjdTLTpYSo Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Wed, Mar 17, 2021 at 04:18:53PM +0000, Daniel P. Berrang=E9 wrote: > On Wed, Mar 17, 2021 at 05:11:22PM +0100, Reinoud Zandijk wrote: > > when executing Qemu with > >=20 > > qemu-system-x86_64 -m 4G -smp cores=3D2 -M q35 -snapshot \ > > -drive file=3D/home/reinoud/Downloads/Win10-demo.raw,format=3Draw \ > > -rtc base=3Dlocaltime,clock=3Dhost -spice port=3D5924,disable-ticke= ting=3Don \ > > -vga qxl -usb -device usb-tablet -net nic -net tap,ifname=3Dtap0,sc= ript=3Dno > >=20 > > my cpu usage in Windows10 *allways* reports 100% cpu usage. On the host= system > > its always 190%+ ie it is really taking two cores completely. > IIRC, "-usb" still adds a USB-1 controller and that's known to be bad for > causing high load in Windows guests in particular. So before debugging > anything else, I'd suggest configuring a USB-3 controller instead - see > docs/usb2.txt XHCI info. I tried that and added `-device qemu-xhci' instead of the `-usb' and it ind= eed showed an USB 3 interface. It didn't help though; its still consuming 100% = CPU =66rom both configured CPUs. When I completely remove USB, i get the jagged mouse again but it makes no difference :-/ Reinoud --a1MG1ykjdTLTpYSo Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEELRHWktq6GkG74/X0gpw3AEPIqmgFAmBSNbMACgkQgpw3AEPI qmjAmQf7Bsa3I9an5UBbIFxcyY2HRZi197DOWFe9hOvq4X99UxkAkFKR9D2PX2eU h1nkGQIXmmaRZnwpVXreYFUGz3OXtztQJy2W7WiHm1nGRst8Rs45npgmSrpXQCfQ YSYPDmahlEUZa40ZOtN6lD+LR27SIbR3vKvRz7nPIQ2p0ITb86uTLNRmeaByVJ1m 1/H1Ln9CVMzqDtEjGCmjyLDbDTKkRgRwDPtMYLBfZYov32CTtRjkgfBpoRPMntuA ihb7SK1p4px8yiNkZQf4VtPSqIay2CB2rhb1NOV3J2yzAj4zD2vLwCeJz1augv6w 0sX3dKe8pFk5R1zVJTQgWnqKqK0sXQ== =iUMY -----END PGP SIGNATURE----- --a1MG1ykjdTLTpYSo--