[indiana-discuss] b111a: Power Management and nwam-issue ?
Bill Nesheim
Bill.Nesheim at Sun.COM
Fri Apr 24 10:15:13 PDT 2009
On 04/24/09 11:55, Mark Haywood wrote:
> Bill Nesheim wrote:
>> Detlef Drewanz at Sun.COM wrote:
>>> Hi,
>>> with b111a now I can boot again my Toshiba M9.
>>>
>>> 1.I discoverred that Power Management seems no longer to work.
>>> (The fan is blowing like hell and "kstat -m cpu_info" shows in
>>> currentClock_Hz 2001000000
>>> but
>>> supported_frequencies_Hz
>>> 800000000:1200000000:1600000000:2000000000:2001000000
>>>
>>> New Bug with b111a ?
<snip>
>
> The current_clock_Hz is a little deceiving. The Power Aware Dispatcher
> results in much more frequent P-State transitions. Try running
> /usr/bin/powertop for better information.
>
> Mark
Indeed. powertop shows the system switching nicely between 800Mhz and
1401 Mhz), with most time spent at 800. Thanks.
-- Bill
>
>
>
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