On Tue, Oct 9, 2018 at 10:22 AM Gasper Zejn <zelo.z...@gmail.com> wrote: > > On 09. 10. 2018 19:00, Eric Dumazet wrote: > > > > On 10/09/2018 09:38 AM, Gasper Zejn wrote: > >> Hello, > >> > >> I am seeing interrupt storms of over 100k-900k local timer interrupts > >> when changing between network devices or networks with open TCP > >> connections when not using sch_fq (I was using pfifo_fast). Using sch_fq > >> makes the bug with interrupt storm go away. > >> > > That is for what kind of traffic ? > > > > If your TCP flows send 100k-3M packets per second, then yes, the pacing > > timers > > could be setup in the 100k-900k range. > > > Traffic is nowhere in that range, think of having a few browser tabs of > javascript rich > web pages open, mostly idle, for example slack, gmail or tweetdeck. No > significant > packet rate is needed, just open connections.
No idea of what is going on really. A repro would be nice.