Alexander Motin wrote:
> Takanori Watanabe wrote:
>> I updated my FreeBSD tree on laptop, to the current
>> as of 18 Oct.2010, it works fine with CPU C3 state enabled,
>>
>> I think this is your achievement of event time scheduler,
>> thanks!
>>
>> But when USB driver is enabled, the load average i
On Wednesday 27 October 2010 10:14:18 Alexander Motin wrote:
> As I understand, if respective USB port is not used, USB stack should
> put it into power_save mode not poll so often to deny entering C3 state.
USB will stop the hardware from polling RAM, but still a 4 second root HUB
software timer
Quoting Alexander Motin (from Tue, 26 Oct 2010
22:57:59 +0300):
Takanori Watanabe wrote:
It's time to implement powertop for freebsd, isn't it?
Surely it is. I was even thinking about possibility to port one from
OpenSolaris, but other work distracted me. You may take it, it you wish.
Nate Lawson wrote:
> On 10/26/2010 12:57 PM, Alexander Motin wrote:
>> Takanori Watanabe wrote:
>>> I updated my FreeBSD tree on laptop, to the current
>>> as of 18 Oct.2010, it works fine with CPU C3 state enabled,
>>>
>>> I think this is your achievement of event time scheduler,
>>> thanks!
>
>
By default USB devices are not suspended. You can use "usbconfig power_save"
to enable automatic power save for all devices.
--HPS
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On 10/26/2010 12:57 PM, Alexander Motin wrote:
> Takanori Watanabe wrote:
>> I updated my FreeBSD tree on laptop, to the current
>> as of 18 Oct.2010, it works fine with CPU C3 state enabled,
>>
>> I think this is your achievement of event time scheduler,
>> thanks!
Ah, so mav@ implemented a tickl
Takanori Watanabe wrote:
> I updated my FreeBSD tree on laptop, to the current
> as of 18 Oct.2010, it works fine with CPU C3 state enabled,
>
> I think this is your achievement of event time scheduler,
> thanks!
>
> But when USB driver is enabled, the load average is considerablly
> high (0.6 t
