Re: High load on interrupts
On Sun, May 28, 2006 at 12:01:53AM +0200, Roman Zippel wrote:
> > Cpu(s): 0.6% us, 0.0% sy, 0.0% ni, 0.0% id, 0.0% wa, 99.4% hi, 0.0% si
> > This 99.4% hi seems to be something like an idle process counter as it drops
> > relative to CPU usage:
> This is what I get under 2.6.16:
> top - 23:47:49 up 51 min, 1 user, load average: 0.01, 0.14, 0.26
> Cpu(s): 3.2% us, 1.9% sy, 0.0% ni, 94.3% id, 0.0% wa, 0.6% hi, 0.0% si
Then this seems to be solved in 2.6.16, I guess...
> > So, roughly 400 interrups per timeframe.
> Due to chained interrupts most interrupts are counted twice, so you get at
> least the timer interrupt and vertical blank handler twice. It's maybe a
> little weird but normal.
Yes, might be. My point was the >90% reported hi value in top.
Of course it would be nice to not count the interrupts twice, but I don't
think that's easy to achieve. ;)
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