[ltp] Time spent in C3 cpu state ?

Josh Battles linux-thinkpad@linux-thinkpad.org
Tue, 9 Aug 2005 13:45:48 -0500 (CDT)


Brad Langhorst said:
> On Tue, 2005-08-09 at 10:02 -0500, Josh Battles wrote:
>> Damien Challet said:
>> > Hi,
>> >
>> > Just wondering, what is the fraction of the time your thinkpad spends in
>> C3
>> > cpu state ?
>> >
>> > My own stats:
>> >
>> > T41 2373-GEG: 50%, x21 and 600E with PIII@450MHz: 85%
>> >
>> > Is there any way to improve the usage of C3 ?
>>
>> Please excuse my ignorance, but isn't C3 a low-power idle state?  Wouldn't
>> it
>> only be in this state if you have it suspended or something?
>
> you're getting confused between  S3 and C3.
>
> brad

Are they not both ACPI suspend to ram states?

-- 
- Josh
www.omg-stfu.com