Date: Fri, 29 Jun 2007 18:20:12 +0300 From: "Abdullah Ibn Hamad Al-Marri" <almarrie@gmail.com> To: attilio@freebsd.org Cc: freebsd-current@freebsd.org Subject: Re: options IPI_PREEMPTION and PREEMPTION in 7.0 AMD64 Message-ID: <499c70c0706290820r2bf5c119p6014285a449dd618@mail.gmail.com> In-Reply-To: <467F71CA.2030206@FreeBSD.org> References: <499c70c0706241546j1b1e62a0ldb51ef1e13c15386@mail.gmail.com> <467F71CA.2030206@FreeBSD.org>
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On 6/25/07, Attilio Rao <attilio@freebsd.org> wrote: > Abdullah Ibn Hamad Al-Marri wrote: > > Hello, > > > > I run FreeBSD 7.0 AMD64 and powered by C2D with 2 GB of ram. > > > > options PREEMPTION in the kernel, but in NOTES it says I can use > > IPI_PREEMPTION to make the kernel make the other running threads to > > run in the other core. > > > > So the question is, did you guys try it with ULE 2? shall I keep both > > PREEMPTION and IPI_PREEMPTION in the kernel file? > > IPI_PREEMPTION and PREEMPTION are only marginally linked, and you need > to use both with ULE. > > Thanks, > Attilio Adding IPI_PREEMPTION in the kernel didn't make my Intel C2D 6600 which runs 7.0 AMD64 busy as before, so I removed, and now MySQL runs fatser after hashing it out, maybe this is need for Intel C2Q or 8 cores at least? -- Regards, -Abdullah Ibn Hamad Al-Marri Arab Portal http://www.WeArab.Net/
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