[Oisf-users] Improved PF_RING support, please test!

[Luca Deri]

Victor
this is just a define you can increase. However note that clusters were designed to handle a few apps, thus if you increase the value to a much higher value, we better review the code and see if it is still efficient enough for your purposes

Regards Luca

On Mar 7, 2011, at 9:49 PM, Victor Julien wrote:

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> Thanks for figuring that out Will!
> 
> Luca, can we have a higher  (or no) limit? I keep hearing stories of ppl
> with 24 cores :)
> 
> Cheers,
> Victor
> 
> On 03/07/2011 07:28 PM, Will Metcalf wrote:
>>> It seems that the maximum is 8 threads here. Not sure if that can be set
>>> higher if the number of slots in pfring are increased. Anyone try that?
>> 
>> This value is hardset in kernel/linux/pf_ring.h
>> 
>> #define CLUSTER_LEN 8
>> 
>> Modify accordingly, maybe Luca would be kind enough to increase the
>> default value?
>> 
>> Regards,
>> 
>> Will
>> 
>>> On Mon, Mar 7, 2011 at 11:47 AM, Victor Julien <victor at inliniac.net> wrote:
>>> On 03/07/2011 06:15 PM, Chris Wakelin wrote:
>>>> 
>>>> On 28/02/11 20:23, Victor Julien wrote:
>>>>> Hey guys,
>>>>> 
>>>>> I know a couple of you are running PF_RING in a high speed environment.
>>>>> The attached patch means to improve it's performance. It adds a new
>>>>> option called "pfring.threads" that controls the number of reader
>>>>> threads the pfring code uses. I've tested (lightly) with 1, 4 and 8
>>>>> which all worked fine. There are some more improvements, including the
>>>>> removal of one memcpy per packet...
>>>> 
>>>> OK, giving it a go with 4 threads ...
>>> 
>>> It seems that the maximum is 8 threads here. Not sure if that can be set
>>> higher if the number of slots in pfring are increased. Anyone try that?
>>> 
>>> Cheers,
>>> Victor
>>> 
>>> --
>>> ---------------------------------------------
>>> Victor Julien
>>> http://www.inliniac.net/
>>> PGP: http://www.inliniac.net/victorjulien.asc
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>>> 
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>>> 
>> 
> 
> 
> - -- 
> - ---------------------------------------------
> Victor Julien
> http://www.inliniac.net/
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