Re: [dpdk-dev] Windows DPDK real-time priority threads causing thread starvation

2020-12-09 Thread Stephen Hemminger
On Wed, 9 Dec 2020 14:15:30 + Tal Shnaiderman wrote: > Hi, > > During our verification tests on Windows DPDK we've noticed that DPDK polling > threads, which run in REALTIME_PRIORITY_CLASS are causing starvation to other > threads from the OS which need to change affinity and run in lower

Re: [dpdk-dev] Windows DPDK real-time priority threads causing thread starvation

2020-12-09 Thread John Alexander
Hi, I tend to run with a winbdg kernel debugger (KDNET) connected to my debug target machines. It quite often reports deadlock detection when we have such "real-time" threads never yielding on a core. If we hog core-0 in particular dwm.exe never gets a look in so the desktop stops being drawn