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

[Kevin Collins]

Cat /proc/interrupts and watch the devices 

-----Original Message-----
From: asterisk-users-bounces at lists.digium.com [mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Matthew Boehm
Sent: Monday, September 19, 2005 3:16 PM
To: Asterisk Users
Cc: Rich Adamson
Subject: Re: [Asterisk-Users] OT: Hardware Interrupts; Who is it?

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?

-Matthew


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