[ovs-dev] [PATCH 00/11] RFC: Improvements in upcall processing code path.

Ethan Jackson ethan at nicira.com
Wed Feb 13 00:03:34 UTC 2013


Sounds fine to me.

Ethan

On Tue, Feb 12, 2013 at 4:01 PM, Ben Pfaff <blp at nicira.com> wrote:
> "netperf -t TCP_CRR" is a reasonable simulation of apachebench but
> much easier to set up.
>
> On Tue, Feb 12, 2013 at 03:47:50PM -0800, Ethan Jackson wrote:
>> FWIW: It might be useful to check if this series has an impact on
>> something like apachebench which I would expect benefit more from
>> batching, but be a little bit less specialized than either
>> ovs-benchmark or udpping.
>>
>> Ethan
>>
>>
>> On Tue, Feb 12, 2013 at 2:03 PM, Ben Pfaff <blp at nicira.com> wrote:
>> > On Mon, Feb 11, 2013 at 04:46:16PM +0200, Jarno Rajahalme wrote:
>> >> - 'udpping' sends 10000000 UDP packets with a unique source and destination
>> >>   port pair to br0 in bursts of 97 packets.  Between bursts it nanosleeps
>> >>   for 50 nanoseconds.  This results into ~80% CPU (core) utilization.
>> >
>> > Why are the bursts 97 packets long?
>> >
>> > It would be great if you could supply the udpping program.  Ideally,
>> > you'd add it as a mode to the ovs-benchmark program in the utilities
>> > directory, but a quick-and-dirty C program would work too.
>> > _______________________________________________
>> > dev mailing list
>> > dev at openvswitch.org
>> > http://openvswitch.org/mailman/listinfo/dev



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