[ltp] SpeedStep? - ACPI "throttling"
Jordi G. March
linux-thinkpad@linux-thinkpad.org
Wed, 14 Apr 2004 09:43:01 -0400
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Well, it's not the best way to bench it, but I use an old version of
"bogomips"... It's not very accurate, 'cause it fluctuates too much, but
it gives you a rough idea of the actual speed.
Any other ideas?
Jordi
El mar, 13-04-2004 a las 20:05, Pete Wright escribió:
> Forgive me for asking what I'm sure is a simple and somewhat silly
> question, but what CPU monitor is that? I've been playing with the 2.6
> kernel for a while trying to get everything in my R40 working, and I'd
> love to know an easy way to figure out what speed the CPU is currently
> running at.
>
>
> On Tue, 2004-04-13 at 18:20, Tony Whitmore wrote:
> > Jordi G. March wrote:
> > > Well, that's a good point... How did you manage to get full power even
> > > without AC cord plugged in?
> >
> > I didn't :) The laptop would stay at 800MHz if it was started with the
> > mains off. Turning the power on later didn't make any difference.
> >
> > If the laptop was started with the power on, it would run at 1.4Ghz at
> > all times, even if the power was turned off later.
> >
> > Come 2.6, however and it was just a case of selecting the 2 or 3
> > relevant options before compiling the kernel. After reboot my CPU speed
> > monitor shows the CPU idling at 113Mhz most of the time, unless it needs
> > to speed up a bit. Battery life has been dramatically extended as a result.
> >
> > HTH,
> >
> > Tony
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Well, it's not the best way to bench it, but I use an old version of "bogomips"... It's not very accurate, 'cause it fluctuates too much, but it gives you a rough idea of the actual speed.<BR>
<BR>
Any other ideas?<BR>
<BR>
Jordi<BR>
<BR>
<BR>
El mar, 13-04-2004 a las 20:05, Pete Wright escribió:
<BLOCKQUOTE TYPE=CITE>
<PRE><FONT COLOR="#737373"><I>Forgive me for asking what I'm sure is a simple and somewhat silly
question, but what CPU monitor is that? I've been playing with the 2.6
kernel for a while trying to get everything in my R40 working, and I'd
love to know an easy way to figure out what speed the CPU is currently
running at.
On Tue, 2004-04-13 at 18:20, Tony Whitmore wrote:
> Jordi G. March wrote:
> > Well, that's a good point... How did you manage to get full power even
> > without AC cord plugged in?
>
> I didn't :) The laptop would stay at 800MHz if it was started with the
> mains off. Turning the power on later didn't make any difference.
>
> If the laptop was started with the power on, it would run at 1.4Ghz at
> all times, even if the power was turned off later.
>
> Come 2.6, however and it was just a case of selecting the 2 or 3
> relevant options before compiling the kernel. After reboot my CPU speed
> monitor shows the CPU idling at 113Mhz most of the time, unless it needs
> to speed up a bit. Battery life has been dramatically extended as a result.
>
> HTH,
>
> Tony</I></FONT></PRE>
</BLOCKQUOTE>
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