Kok, Auke <[email protected]> wrote:
> K.Prasad wrote:
>> Without the side-effect of experiencing a link-flap when switching to a
>> lower-speed (with its toll in terms of down-time for auto-negotiation,
>> STP, etc), the Interrupt Moderation Algorithm dynamically adjusts the
>> number of interrupts based on traffic - and presumably consume less
>> power. For an "Optimise for Power" kind of profile - the driver can be
>> loaded with a higher throttle rate during boot-time.
>
> We're changing this to be run-time adjustable in newer drivers.
>
> However, the power consumed by your nic staying in gigabit mode is much
> greater in the long run then what you can save by trying to scrounge for
> milliwatts reducing interrupts generated by the nic. By default it already
> moderates them somewhat. Practically this feature is really not useful for
> powersaving, it just won't add up to actual benefits in a real life situtation
> I think.
Just a thought:
How much power does a non-connected NIC consume, and can you save power
by forcing 10 MBit until a link is detected (doubling negotiation time)?
--
Top 100 things you don't want the sysadmin to say:
22. hey, what does mkfs do?
Friß, Spammer: [email protected]
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
[Index of Archives]
[Kernel Newbies]
[Netfilter]
[Bugtraq]
[Photo]
[Stuff]
[Gimp]
[Yosemite News]
[MIPS Linux]
[ARM Linux]
[Linux Security]
[Linux RAID]
[Video 4 Linux]
[Linux for the blind]
[Linux Resources]
