bge(4) sysctl tuneables -- a blast from the past.

Sepherosa Ziehau sepherosa at gmail.com
Tue Apr 16 09:52:43 UTC 2013


On Tue, Apr 16, 2013 at 3:14 PM, Bruce Evans <brde at optusnet.com.au> wrote:

> bge_rx_coal_ticks == 0 && bge_rx_max_coal_bds == 0 might work accidentally
> if there are enough tx interrupts.  There is also the DEVICE_POLLING
> mistake.
> In polling mode, these parameters of course have no effect (Polling mode
> disables interrupts, and the coal parameters have no effect when interrupts
> are disabled).

As far as I have tested, coalesce BDs and ticks also control how often
status block is updated, so it does affect polling(4)

Best Regards,
sephe

--
Tomorrow Will Never Die


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