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From: Adrian Chadd <adrian@freebsd.org>
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Cc: pyunyh@gmail.com, freebsd-net@freebsd.org,
	Lev Serebryakov <lev@freebsd.org>, Ian Smith <smithi@nimnet.asn.au>
Subject: Re: vr(4) troubles for AMD Geode CS5536 chipset
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On 5 September 2012 00:25, Eugene Grosbein <egrosbein@rdtc.ru> wrote:
> 05.09.2012 14:03, Adrian Chadd =D0=C9=DB=C5=D4:
>> waaaaaaaaait.
>>
>> Did you say that removing preemption from your kernel fixed your
>> performance issues?
>
> Yes. Also, it seems my original vr(4) troubles (RX path problem)
> have gone away since I run the kernel without preemption.

Ok. Can you please compile up both a preempt and non-preempt 4BSD
kernel with KTR enabled?

That way we can capture some schedgraph traces and see what the heck
is going on.

THanks,


Adrian