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Date:      Wed, 12 Jul 2006 13:33:44 -0500
From:      "Matthew D. Fuller" <fullermd@over-yonder.net>
To:        John Baldwin <jhb@freebsd.org>
Cc:        freebsd-amd64@freebsd.org
Subject:   Re: Turion 64 X2 support in future versions of FreeBSD.
Message-ID:  <20060712183343.GM98476@over-yonder.net>
In-Reply-To: <200607121418.58293.jhb@freebsd.org>
References:  <93f8f44b0607061447k27adb556u306063b09b3d9b0d@mail.gmail.com> <93f8f44b0607111257j10923734i14309e1767abeb09@mail.gmail.com> <20060712043700.GJ98476@over-yonder.net> <200607121418.58293.jhb@freebsd.org>

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On Wed, Jul 12, 2006 at 02:18:57PM -0400 I heard the voice of
John Baldwin, and lo! it spake thus:
> On Wednesday 12 July 2006 00:37, Matthew D. Fuller wrote:
> > On Tue, Jul 11, 2006 at 11:57:49PM +0400 I heard the voice of
> > Michael, and lo! it spake thus:
> > > 
> > > cpu0: timer                        19005        129
> > > cpu1: timer                         9016         61
> > 
> > That looks a little odd...
> 
> Possibly.  Because cpu0's timer starts up sooner, it will generally
> have a higher total count (and uptime rate which is what vmstat -i
> shows you) than the other CPUs.  It's hard to say if 10000
> interrupts is normal for the differential though.  That seems high.

Well, it's not just the 10000; I've got a thousand differential on my
box (and that's with HZ=100).  Of course, a 10,000 differential with
one of them not even having reached 10,000 yet is pretty big.  But
look at the rate: 129?  HZ=65?  I doubt it...  that sounds like
something REALLY weird going on.


-- 
Matthew Fuller     (MF4839)   |  fullermd@over-yonder.net
Systems/Network Administrator |  http://www.over-yonder.net/~fullermd/
           On the Internet, nobody can hear you scream.



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