On Wed, Apr 27, 2016 at 3:49 PM, Jesse Gross <[email protected]> wrote:
> On Wed, Apr 27, 2016 at 2:57 PM, Pravin B Shelar <[email protected]> wrote:
>> STT implementation I saw performance improvements with linearizing
>> skb for SLUB case.  So following patch skips zero copy operation
>> for such a case.
>> First change is to reassembly code where in-order packet is merged
>> to head, if there is no room to merge it then combined packet is
>> linearized.
>> Second case is of reassembly of out-of-order packets. In this case
>> the list of packets is linearized before sending it up to datapath.
>>
>> Performance number for large packet TCP test using netperf.
>>
>> OVS branch     TCP      Host0     Host1
>> version        Gbps     CPU%      CPU%
>> -----------------------------------------
>> 2.5            9.4       272       315
>>
>> master +       9.4       230       285
>> patch
>>
>> Tested-By: Vasmi Abidi <[email protected]>
>> Signed-off-by: Pravin B Shelar <[email protected]>
>
> Acked-by: Jesse Gross <[email protected]>

Thanks.

I pushed patch to master.
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