[Asterisk-Users] OT: Hardware Interrupts; Who is it?

[Rich Adamson]

> OK. Perhaps I was not clear. Please read my original post again:
> 
> >>>> I've been trying to diagnose why my server has a constant idle time of 90%
> >>>> even when nothing is running.
> 
> I did not say "90% usage" I said "90% idle". Meaning I have a constant CPU
> usage of 10%.
> 
> This 10% measurement comes from the "hardware interrupt" (hi) from within
> "top":
> 
> Cpu(s):  3.8% us,  2.1% sy,  0.0% ni, 85.5% id,  0.2% wa,  8.0% hi,  0.4% si
> 
> 
> Even when all other percentages are at 0%, hi remains around 10%. How can I
> figure out what is causing all these interrupts?

I don't have a clue other then to unload drivers, etc.