Messages in this thread | | | Date | Mon, 27 May 2002 17:59:54 +0200 (SAST) | From | Zwane Mwaikambo <> | Subject | Re: i8259 and IO-APIC |
| |
On 27 May 2002, Terje Eggestad wrote:
> Do you got any numbers that state that it's processing overhead, and not > HW latency that is the bulk of interrupt service time? Just curious, > I've been looking and can't find this "perceived fact" backed up by > facts anywhere.
I think Alan had the ISR and kernel IRQ service overhead in mind. In this light, hardware interrupt latency is a drop in the ocean..
Cheers, Zwane Mwaikambo -- http://function.linuxpower.ca
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |