Large interruptions for EAL thread running on isol core

[Omer Yamac]

Hi Antonio,

Did you try to disable logical cores on CPU?

On 23.06.2022 21:03, Antonio Di Bacco wrote:
> I'm running a DPDK thread on an isolated core. I also set some  flags
> that could help keeping the core at rest on linux like: nosoftlockup
> nohz_full rcu_nocbs irqaffinity.
> 
> Unfortunately the thread gets some interruptions that stop the thread
> for about 20-30 micro seconds. This seems smal but my application
> suffers a lot.
> 
> I also tried to use  rte_thread_set_priority that indeed has a strong
> effect but unfortunately creates problems to Linux (like network not
> working).
> 
> Is there any other knob that could help running the DPDK thread with
> minimum or no interruptions at all?