Proposed 6.2 em RELEASE patch

Mike Tancsa mike at sentex.net
Sun Nov 12 15:15:44 UTC 2006


At 08:45 AM 11/12/2006, Adrian Chadd wrote:
>Should fiddling with the interrupt-coalescing stuff in the em driver
>via sysctl be tried?
>None of the recent tests in reply to your email indicate any
>particular tx/rx threshold settings.
>

I was using whatever is the default.  What would you like me to test ?

# sysctl -A dev.em
dev.em.0.%desc: Intel(R) PRO/1000 Network Connection Version - 6.2.9
dev.em.0.%driver: em
dev.em.0.%location: slot=0 function=0
dev.em.0.%pnpinfo: vendor=0x8086 device=0x105e subvendor=0x8086 
subdevice=0x115e class=0x020000
dev.em.0.%parent: pci6
dev.em.0.debug_info: -1
dev.em.0.stats: -1
dev.em.0.rx_int_delay: 0
dev.em.0.tx_int_delay: 66
dev.em.0.rx_abs_int_delay: 66
dev.em.0.tx_abs_int_delay: 66
dev.em.0.rx_processing_limit: 100
dev.em.1.%desc: Intel(R) PRO/1000 Network Connection Version - 6.2.9
dev.em.1.%driver: em
dev.em.1.%location: slot=0 function=1
dev.em.1.%pnpinfo: vendor=0x8086 device=0x105e subvendor=0x8086 
subdevice=0x115e class=0x020000
dev.em.1.%parent: pci6
dev.em.1.debug_info: -1
dev.em.1.stats: -1
dev.em.1.rx_int_delay: 0
dev.em.1.tx_int_delay: 66
dev.em.1.rx_abs_int_delay: 66
dev.em.1.tx_abs_int_delay: 66
dev.em.1.rx_processing_limit: 100



>adrian
>
>--
>Adrian Chadd - adrian at freebsd.org
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