Date: Mon, 14 Jun 2004 00:24:29 -0700 From: Luigi Rizzo <rizzo@icir.org> To: Ruslan Ermilov <ru@freebsd.org> Cc: current@freebsd.org Subject: Re: Device polling Message-ID: <20040614002429.A16826@xorpc.icir.org> In-Reply-To: <20040613223658.GB55275@ip.net.ua>; from ru@freebsd.org on Mon, Jun 14, 2004 at 01:36:58AM %2B0300 References: <Pine.BSF.4.58L0.0406110957020.49590@crimp.gluerecord.net> <40CC97E0.5010003@alumni.rice.edu> <20040613181315.GB54104@ip.net.ua> <40CCC201.6080804@alumni.rice.edu> <20040613223658.GB55275@ip.net.ua>
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On Mon, Jun 14, 2004 at 01:36:58AM +0300, Ruslan Ermilov wrote:
> On Sun, Jun 13, 2004 at 04:07:13PM -0500, Jon Noack wrote:
> > On 06/13/04 13:13, Ruslan Ermilov wrote:
> > >On Sun, Jun 13, 2004 at 01:07:28PM -0500, Jon Noack wrote:
> > >>I just tested this on my SMP all-in-one home server (Web, Mail,
...
> Bump HZ. If you were using the 64-bit PCI I'd say bump it
> to 5000, but since you're using 32-bit PCI, bumping it that
> high just doesn't make sense, so raise it up to 2000-3000.
>
> Set kern.polling.idle_poll=1.
^^^^^^^^^^^^^^^^^^^^^^^^^^^^
this is the part that cannot possibly work with SMP,
and that seems to have problem with current even on !SMP
cheers
luigi
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