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Setting interrupt moderation with ethtool
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zirtik
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Joined: 15 Apr 2011
Posts: 13

PostPosted: Fri Apr 06, 2012 4:59 pm    Post subject: Setting interrupt moderation with ethtool Reply with quote

I have a 10 Gbit Solarflare NIC and I am trying to set interrupt moderation to 10 microseconds by issuing

Code:
/sbin/ethtool -C eth1 rx-usecs-irq 10


I don't get any error or warning messages but when I check out the parameters, I see that the settings have not been changed.

Code:

ethtool -c eth1

Coalesce parameters for eth1:
Adaptive RX: off  TX: off
stats-block-usecs: 0
sample-interval: 0
pkt-rate-low: 0
pkt-rate-high: 0

rx-usecs: 56
rx-frames: 0
rx-usecs-irq: 56
rx-frames-irq: 0

tx-usecs: 56
tx-frames: 0
tx-usecs-irq: 56
tx-frames-irq: 0


Am I missing something to commit the changes or make them permanent? Any ideas?

Thanks.
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