Hello,
I have a 3com 3c996-SX card running under FreeBSD 5.4-STABLE.
Performance is quite ok so far, but interrupt load is very high.
(Machine is working as a traffic shaping device/firewall)
# vmstat -i
interrupt total rate
irq18: bge0 153244636 5014
irq27: fxp0 102056377 3339
Often, interrupt load will hit almost 100%. I guess the bge driver does not
support polling, but I remember reading somewhere that it supports interrupt
moderation? How would I enable this? On the em driver, this could be done via
sysctl. Does anyone have hints on performance improvement concerning interrupt
load?
TIA
--
>> Ferdinand Goldmann //// | |
>> |--00 | UNIX |
>> Tel. : +43/732/2468/9398 Fax. : +43/732/2468/9397 C ^ | |
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