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

Vincenzo Maffione v.maffione at gmail.com
Sun Oct 28 09:07:02 CET 2018

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.


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?


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