Re: PROBLEM: high system usage / poor SMP network performance

From: arjan@fenrus.demon.nl
Date: Sun Jan 27 2002 - 17:52:17 EST


In article <E16UyCO-0002zE-00@the-village.bc.nu> you wrote:
>> CPU0 states: 27.2% user, 62.4% system, 0.0% nice, 9.2% idle
>> CPU1 states: 28.4% user, 62.3% system, 0.0% nice, 8.1% idle

> The important bit here is ^^^^^^^^ that one. Something is causing
> horrendous lock contention it appears. Is the e100 driver optimised for SMP
> yet ?

there's WAY too many busy waits (upto 500 msec with irq's disabled) in e100
to call it smp optimized.... also in most tests I've seen eepro100 won
outright
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