[dpdk-users] occasionally ~300us delay
yuliang.li at yale.edu
Wed Feb 28 06:03:30 CET 2018
Also, such pause happens regularly--every 0.5s.
On Wed, Feb 28, 2018 at 12:01 AM, Yuliang Li <yuliang.li at yale.edu> wrote:
> Hi all,
> I am using dpdk to generate packets. Specifically, I have a list of
> <packet Pi, time Ti>, meaning I want to send Pi at Ti. I wait for Ti by while
> (rte_get_tsc_cycles()<Ti). However, sometimes I see a delay of around
> 300us of sending packets, i.e., the sending time of some Pi is around
> Ti+300us. It looks like the program just pauses by 300us, and then resumes.
> Does anyone know why?
> Yuliang Li
> PhD student
> Department of Computer Science
> Yale University
Department of Computer Science
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