Re: [patch] voluntary-preempt-2.6.9-rc1-bk4-Q7

[K.R. Foley]

Thomas Charbonnel wrote:
> Ingo Molnar wrote :
>
> > i've released the -Q7 patch:
> >
> >  http://redhat.com/~mingo/voluntary-preempt/voluntary-preempt-2.6.9-rc1-bk4-Q7
>
>
> With Q7 I still get rx latency issues (> 130 us non-preemptible section
> from rtl8139_poll). Moreover network connections were extremely slow
> (almost hung) until I set /proc/sys/net/core/netdev_backlog_granularity
> to 2.
>
> Thomas
I too am still getting these latencies, although not as often (maybe?). 
I on the other hand am having no problems with slow connections. 
However, this is with very little load on the system. Here is one such 
trace:

http://www.cybsft.com/testresults/2.6.9-rc1-bk4-Q7/latencytrace4.txt

I do have a couple of new traces that seem to be related to transmitting 
data, I think. They are here:

http://www.cybsft.com/testresults/2.6.9-rc1-bk4-Q7/latencytrace2.txt

http://www.cybsft.com/testresults/2.6.9-rc1-bk4-Q7/latencytrace3.txt

kr
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