Hello,
Can anyone tell me what the "normal" number of interrupts per second is for an X100P card?
1000 / card
I've used FreeBSD 5.3 and a linux 2.6.11 kernel on the exact same hardware (only the disk changed) and `systat -vmstat 1` on FreeBSD and `procinfo -dS -n1` under Linux. For both, I'm seeing roughly 1000 interrupts per second on my X100p card. It was a bit worse under FreeBSD, and I experienced frequent lockups, hangs, and X100p malfunctions, so I switched to Linux. The machine is usable under Linux, but I still think that number of interrupts per second is a bit high.
FreeBSD had some issues with Asterisk. You use to have to tell * to not load a specific module or something. Can't remember exactly. Look on the wiki under Asterisk FreeBSD or BSD.
Also, on 2.6.11 look at the "timer" in /proc/interrupts. It's 1000/second too.
My motherboard is an Abit BE6, and it seems to have some IRQ assignment problems, so I'm wondering what my baseline should be.
Also, I have a dual CPU PII motherboard with two X100P cards in it, and it's hitting about 1000 interrupts per second per card too. Is this normal? How many interrupts per second can a given CPU sustain?
If you want to reduce interrupt load, go down to one card. If you have 4 X100P's, that 4000 interrupts/sec. If you have 1 TDM400, that's 1000/sec.
-- Kristian Kielhofner
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