Re: enhanced intel speedstep feature was Re: speedstep-centrino on dothan

2005-07-07 Thread Dominik Brodowski
On Thu, Jul 07, 2005 at 11:22:38PM +0200, [EMAIL PROTECTED] wrote: > On Thu, 7 Jul 2005 23:10:33 +0200 > Dominik Brodowski <[EMAIL PROTECTED]> wrote: > > > Do you use ACPI-based idling? If so, in which state is the CPU in (cat > > /proc/acpi/processor/*/power ? I suspect that you do not use ACPI (

Re: enhanced intel speedstep feature was Re: speedstep-centrino on dothan

2005-07-07 Thread Joseph Pingenot
>From Dominik Brodowski on Thursday, 07 July, 2005: >On Thu, Jul 07, 2005 at 03:51:17PM -0500, Joseph Pingenot wrote: >> >Just a latest question: can be p4-clockmod used together with >> >speedstep-centrino? If not, would it make any sense to patch >> >speedstep-centrino to use this feature too? >>

Re: enhanced intel speedstep feature was Re: speedstep-centrino on dothan

2005-07-07 Thread Dominik Brodowski
On Thu, Jul 07, 2005 at 04:34:14PM -0500, Joseph Pingenot wrote: > >From Dominik Brodowski on Thursday, 07 July, 2005: > >On Thu, Jul 07, 2005 at 03:51:17PM -0500, Joseph Pingenot wrote: > >> >Just a latest question: can be p4-clockmod used together with > >> >speedstep-centrino? If not, would it m

Re: enhanced intel speedstep feature was Re: speedstep-centrino on dothan

2005-07-07 Thread st3
On Thu, 7 Jul 2005 23:10:33 +0200 Dominik Brodowski <[EMAIL PROTECTED]> wrote: > Do you use ACPI-based idling? If so, in which state is the CPU in (cat > /proc/acpi/processor/*/power ? I suspect that you do not use ACPI (else > you wouldn't need the table-based approach) or that the ACPI-based id

Re: enhanced intel speedstep feature was Re: speedstep-centrino on dothan

2005-07-07 Thread Dominik Brodowski
On Thu, Jul 07, 2005 at 10:22:25PM +0200, [EMAIL PROTECTED] wrote: > > This hasn't been seen to save any power whatsoever that I've seen. > > It drops down power rating by 1500-1800mW on my Toshiba Satellite A50 > while idling at 400MHz. Do you use ACPI-based idling? If so, in which state is the

Re: enhanced intel speedstep feature was Re: speedstep-centrino on dothan

2005-07-07 Thread Dominik Brodowski
On Thu, Jul 07, 2005 at 03:51:17PM -0500, Joseph Pingenot wrote: > >Just a latest question: can be p4-clockmod used together with > >speedstep-centrino? If not, would it make any sense to patch > >speedstep-centrino to use this feature too? > > I'm a little confused. How is this different from th

Re: enhanced intel speedstep feature was Re: speedstep-centrino on dothan

2005-07-07 Thread Joseph Pingenot
>Just a latest question: can be p4-clockmod used together with >speedstep-centrino? If not, would it make any sense to patch >speedstep-centrino to use this feature too? I'm a little confused. How is this different from the ACPI CPU throttling states (/proc/acpi/processor/CPUn/limit to set, thr

Re: enhanced intel speedstep feature was Re: speedstep-centrino on dothan

2005-07-07 Thread Dave Jones
On Thu, Jul 07, 2005 at 10:22:25PM +0200, [EMAIL PROTECTED] wrote: > > This hasn't been seen to save any power whatsoever that I've seen. > > It drops down power rating by 1500-1800mW on my Toshiba Satellite A50 > while idling at 400MHz. > > > I've heard a few reports that it reduces heat

Re: enhanced intel speedstep feature was Re: speedstep-centrino on dothan

2005-07-07 Thread st3
On Thu, 7 Jul 2005 16:06:48 -0400 Dave Jones <[EMAIL PROTECTED]> wrote: > On Thu, Jul 07, 2005 at 10:00:27PM +0200, [EMAIL PROTECTED] wrote: > > Enabling, say, a duty cycle of 12.5% means that the CPU chip will be > driven > > by clock just one time every eight, thus reducing power consumption

Re: enhanced intel speedstep feature was Re: speedstep-centrino on dothan

2005-07-07 Thread Dave Jones
On Thu, Jul 07, 2005 at 10:00:27PM +0200, [EMAIL PROTECTED] wrote: > Enabling, say, a duty cycle of 12.5% means that the CPU chip will be driven > by clock just one time every eight, thus reducing power consumption and > temperature (and it speeds down dramatically the CPU, too =). > > I tes