Date: Tue, 03 Nov 2015 08:12:51 -0800 From: Patrick Powell <papowell@astart.com> To: freebsd-emulation@freebsd.org Subject: Re: Slowness with Virtualbox Message-ID: <5638DD03.8040607@astart.com> In-Reply-To: <CACyC=qa8by-ji_k2X-n=9HVuHwCrU%2B=Hn2=YU%2BGRcjnwL9Az=A@mail.gmail.com> References: <n0lpc3$9dh$1@ger.gmane.org> <56379D92.40501@wintek.com> <n18avp$8mo$1@ger.gmane.org> <CACyC=qa8by-ji_k2X-n=9HVuHwCrU%2B=Hn2=YU%2BGRcjnwL9Az=A@mail.gmail.com>
next in thread | previous in thread | raw e-mail | index | archive | help
On 11/02/15 11:49, Ranjan1018 . wrote: > 2015-11-02 19:45 GMT+01:00 Christer Solskogen <christer.solskogen@gmail.com> > : > >> 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
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?5638DD03.8040607>