Date: Wed, 23 Jan 2013 22:22:00 +1100 From: Peter Jeremy <peter@rulingia.com> To: Martin Simmons <martin@lispworks.com> Cc: freebsd-emulation@freebsd.org Subject: Re: FreeBSD/i386 guests using excessive host CPU Message-ID: <20130123112200.GN30633@server.rulingia.com> In-Reply-To: <201212121915.qBCJFYmg014095@higson.cam.lispworks.com> References: <20121212014336.GD35245@server.rulingia.com> <201212121915.qBCJFYmg014095@higson.cam.lispworks.com>
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--hl1kWnBARzJiTscN Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable [sorry for the delay] On 2012-Dec-12 19:15:34 +0000, Martin Simmons <martin@lispworks.com> wrote: >>>>>> On Wed, 12 Dec 2012 12:43:36 +1100, Peter Jeremy said: >> My VPS provider will not offer 32-bit FreeBSD guests because they use >> excessive (ESXi) host CPU time. I have done some experiments using >> VirtualBox on my FreeBSD/amd64 8-stable host and see the same. > >I can't repeat that with idle FreeBSD 8.0 guests running in VirtualBox 4.1= =2E18 >on Linux kernel 2.6.35.14-106.fc14.x86_64. In fact, the 64-bit one uses 4= =2E8% >of the CPU whereas the 32-bit one uses 4.2% (according to ps "bsdtime" >measured over 1000 seconds). I repeated the test and couldn't reproduce my results - I wound up with results more like yours. I'm still trying to work out what would cause the change. --=20 Peter Jeremy --hl1kWnBARzJiTscN Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.19 (FreeBSD) iEYEARECAAYFAlD/x9gACgkQ/opHv/APuId8iwCeLW0MfJKGAvZBhdqHQFwvYpwI 934AnRTBjJDBdPBfupp1y2fbwuUdyKWh =sHBp -----END PGP SIGNATURE----- --hl1kWnBARzJiTscN--
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