[OmniOS-discuss] [discuss] illumos power management

[Rafael Vanoni]

On Wed, Nov 13, 2013 at 11:24 AM, Garrett D'Amore <garrett at damore.org>wrote:

> CPU power management is unlikely to do much for you.  Its better to rely
> on C-states to save power on modern systems.  That said,
>


Strictly speaking, C-states are part of CPU power management. If you were
referring to p-states, with the exception of apps that require very low
latency, the race to idle policy implemented with the Power Aware
Dispatcher project improved power efficiency without affecting performance
across a variety of workloads.



> there are some known bugs with deep C states and some drivers; we don't
> ordinarily recommend setting it for servers.
>

Can you point me at these bugs ?

Rafael
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