Hi, [can you CC me? I can sometimes only skim the lists]
> No, I saw the high hardware interrupt value in top and looked at > /proc/interrupts and concluded that those are the evil source of the > high load. > > > I'm fairly sure that I always had rather high numbers of interrupt > > here. And the system isn't sluggish or unresponsive as you'd expect if > > the IRQs actually did take 90% of the CPU time! > > Okay, so what might be the source? I'd guess NOHZ is the problem because we're letting the CPU not do anything rather than doing idle ticks or something. johannes
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