From owner-freebsd-emulation@freebsd.org Tue Nov 3 16:35:02 2015 Return-Path: Delivered-To: freebsd-emulation@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id CAB4DA24348 for ; Tue, 3 Nov 2015 16:35:02 +0000 (UTC) (envelope-from papowell@astart.com) Received: from astart2.astart.com (wsip-72-214-30-30.sd.sd.cox.net [72.214.30.30]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id A9AFA141E for ; Tue, 3 Nov 2015 16:35:02 +0000 (UTC) (envelope-from papowell@astart.com) Received: from laptop_93.private (localhost [127.0.0.1]) by astart2.astart.com (8.14.9/8.14.9) with ESMTP id tA3GCpD6009133 for ; Tue, 3 Nov 2015 08:12:51 -0800 (PST) (envelope-from papowell@astart.com) Message-ID: <5638DD03.8040607@astart.com> Date: Tue, 03 Nov 2015 08:12:51 -0800 From: Patrick Powell Reply-To: papowell@astart.com Organization: Astart Technologies User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:31.0) Gecko/20100101 Thunderbird/31.5.0 MIME-Version: 1.0 To: freebsd-emulation@freebsd.org Subject: Re: Slowness with Virtualbox References: <56379D92.40501@wintek.com> In-Reply-To: Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit X-BeenThere: freebsd-emulation@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: Development of Emulators of other operating systems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 03 Nov 2015 16:35:02 -0000 On 11/02/15 11:49, Ranjan1018 . wrote: > 2015-11-02 19:45 GMT+01:00 Christer Solskogen > : > >> On 02.11.2015 18.29, Richard Kuhns wrote: >> >>> How many cores on your physical box? >>> >>> I have a 6 core Dell precision 7810. If hyperthreading is enabled (so >>> FreeBSD apparently thinks I have 12 cores), and VMs running under >>> VirtualBox are so slow as to be totally unusable. If I disable >>> hyperthreading, VMs are still extremely slow but usable in case of >>> emergency. >>> >>> >> Yes, HT is enabled. I have six cores as well. Pretty sure we're facing the >> same issue. I've never tried with HT disabled, however. >> >> -- >> chs > > You may not use the core 0 (cpu0 and cpu1) with the VMs, I use the > CPUSET(1) command to do it. Eg. to start a Windows 7 VM in headless mode I > use the command: > # cpuset -l 4-7 /usr/local/lib/virtualbox/VBoxHeadless --comment > "Win7;5901" --startvm "Win7;5901" > > Regards, > Maurizio > _______________________________________________ > freebsd-emulation@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-emulation > To unsubscribe, send any mail to "freebsd-emulation-unsubscribe@freebsd.org" > Ummm... speaking from ignorance here, but why is this important or effects the operation? -- Patrick Powell Astart Technologies papowell@astart.com 1530 Jamacha Rd, Suite X Network and System San Diego, CA 92019 Consulting 858-874-6543 FAX 858-751-2435 Web: www.astart.com