Re: [vfio-users] Any advice how to minimize vfio device latency *without* virtual interrupt controller?

2022-06-04 Thread Bronek Kozicki
On Sat, 4 Jun 2022, at 4:37 PM, Roman Mamedov wrote: > On Sat, 4 Jun 2022 16:25:32 +0100 > James Dutton wrote: > >> I ran into problems some time ago, with UDP packets being dropped during >> sustained disk accesses, so the sound device might also be affected by disk >> accesses. > > Did you

Re: [vfio-users] Any advice how to minimize vfio device latency *without* virtual interrupt controller?

2022-06-04 Thread Roman Mamedov
On Sat, 4 Jun 2022 16:25:32 +0100 James Dutton wrote: > I ran into problems some time ago, with UDP packets being dropped during > sustained disk accesses, so the sound device might also be affected by disk > accesses. Did you check to ensure that you're using iothreads?

Re: [vfio-users] Any advice how to minimize vfio device latency *without* virtual interrupt controller?

2022-06-04 Thread James Dutton
On Sat, 4 Jun 2022 at 14:00, Bronek Kozicki wrote: > Hi > > My CPU/motherboard combo does not seem to support virtual interrupt > controller and so far I am not getting much help to fix this (the > motherboard is Gigabyte MZ72-HB0 rev 3.0 and the CPU is EPYC 7413 - > apparently AVIC no longer