[dpdk-users] Why DPDK latency is high when sending message in interval?

Sungho Hong maverickjin88 at gmail.com
Sun Oct 28 11:15:09 CET 2018


Thank you very much for the help

On Sun, Oct 28, 2018 at 1:07 AM Vincenzo Maffione <v.maffione at gmail.com>
wrote:

> If you don't care about CPU utilization, busy-wait is the way to go.
> Otherwise you can try to usleep() for something like 60-70 us (to lower
> the CPU utilization), and then busy-wait for the rest of the interval (so
> that you still have maximum precision).
>
> You may want to have a look at this
> https://academic.oup.com/comjnl/article/61/6/808/4259797 , specially
> sections 4.3 and 4.1.
>
> Cheers,
>   Vincenzo
>
> Il giorno dom 28 ott 2018 alle ore 09:01 Sungho Hong <
> maverickjin88 at gmail.com> ha scritto:
>
>> Thank you very much for the reply.
>> But in that case, should I busy wait, to create the delay?
>>
>>
>>
>
> --
> Vincenzo
>


More information about the users mailing list