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=-7.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 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 B44FEC433DB for ; Wed, 17 Mar 2021 17:08:15 +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 3DA4464E98 for ; Wed, 17 Mar 2021 17:08:15 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 3DA4464E98 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:41250 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lMZeY-00059c-CC for qemu-devel@archiver.kernel.org; Wed, 17 Mar 2021 13:08:14 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:43930) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lMZcI-0003Tk-0Q for qemu-devel@nongnu.org; Wed, 17 Mar 2021 13:05:56 -0400 Received: from us-smtp-delivery-124.mimecast.com ([63.128.21.124]:30446) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1lMZcE-0002HO-1M for qemu-devel@nongnu.org; Wed, 17 Mar 2021 13:05:53 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1616000747; h=from:from:reply-to:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=82g/nrUa+b6LbZUe73RegfMJrk7ae4fIgx7vlIBJA/A=; b=DCuOdnOjBfHG6KEGTvK7S1MvS7emYYN71pf8hzD9mdHYDCVxTwUtepAF7Pvn8zUU+PvSsn 7v5OOUm1fqDaz7/vxYEyOtaPxSLxuCGOrzBgki6lRH6QdeednWbHgtQgf0yZ0yRrYExM/P GqEqON3qn3EUnJHE88ukTiBl1uLQAEg= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-486-bQD-m6F-P_-WceyqWF4IdA-1; Wed, 17 Mar 2021 13:05:43 -0400 X-MC-Unique: bQD-m6F-P_-WceyqWF4IdA-1 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id A5E8A80006E; Wed, 17 Mar 2021 17:05:42 +0000 (UTC) Received: from redhat.com (ovpn-113-247.ams2.redhat.com [10.36.113.247]) by smtp.corp.redhat.com (Postfix) with ESMTPS id E347C37DD; Wed, 17 Mar 2021 17:05:41 +0000 (UTC) Date: Wed, 17 Mar 2021 17:05:39 +0000 From: Daniel =?utf-8?B?UC4gQmVycmFuZ8Op?= To: Reinoud Zandijk Subject: Re: Win10 always takes 100% cpu power even when idle Message-ID: References: MIME-Version: 1.0 In-Reply-To: User-Agent: Mutt/2.0.5 (2021-01-21) X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=berrange@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=63.128.21.124; envelope-from=berrange@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -29 X-Spam_score: -3.0 X-Spam_bar: --- X-Spam_report: (-3.0 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.251, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham 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: , Reply-To: Daniel =?utf-8?B?UC4gQmVycmFuZ8Op?= Cc: qemu-devel@nongnu.org Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On Wed, Mar 17, 2021 at 06:00:37PM +0100, Reinoud Zandijk wrote: > On Wed, Mar 17, 2021 at 04:18:53PM +0000, Daniel P. Berrangé wrote: > > On Wed, Mar 17, 2021 at 05:11:22PM +0100, Reinoud Zandijk wrote: > > > when executing Qemu with > > > > > > qemu-system-x86_64 -m 4G -smp cores=2 -M q35 -snapshot \ > > > -drive file=/home/reinoud/Downloads/Win10-demo.raw,format=raw \ > > > -rtc base=localtime,clock=host -spice port=5924,disable-ticketing=on \ > > > -vga qxl -usb -device usb-tablet -net nic -net tap,ifname=tap0,script=no > > > > > > 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 indeed > showed an USB 3 interface. It didn't help though; its still consuming 100% CPU > from both configured CPUs. > > When I completely remove USB, i get the jagged mouse again but it makes no > difference :-/ Possibly you need some of the hyperv enlightenments enabled too. Though I can't recall the precise command line offhand, as I just rely on virt-install virt-manager to do the right thing for Windows guests. Regards, Daniel -- |: https://berrange.com -o- https://www.flickr.com/photos/dberrange :| |: https://libvirt.org -o- https://fstop138.berrange.com :| |: https://entangle-photo.org -o- https://www.instagram.com/dberrange :|