[ltp] Thinkpad T61, Ubuntu, cpu scaling
Schoap D
linux-thinkpad@linux-thinkpad.org
Thu, 16 Jun 2011 10:00:34 +0200
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2011/6/15 Henrique de Moraes Holschuh <hmh@hmh.eng.br>
> On Wed, 15 Jun 2011, Schoap D wrote:
> > Afaik my system is capable of handling 2GHz, but when I set cpu scaling
> on
> > performance it displays only 1.20GHz. What is going wrong here?
>
> Wimpy AC adapter and no battery installed?
>
Exactly! I have another adapter here and it's now possible to have it on
2GHz when running on performance.
This is also true for the 'wimpy AC' WITH battery.
Hmm
Thanks!
Dirk
>
> > current policy: frequency should be within 800 MHz and 1.20 GHz.
> > The governor "performance" may decide which speed to
> use
> > within this range.
>
> That would be why it doesn't go over. If it is the BIOS setting it,
> don't override, it is protecting you from something.
>
> --
> "One disk to rule them all, One disk to find them. One disk to bring
> them all and in the darkness grind them. In the Land of Redmond
> where the shadows lie." -- The Silicon Valley Tarot
> Henrique Holschuh
> --
> The linux-thinkpad mailing list home page is at:
> http://mailman.linux-thinkpad.org/mailman/listinfo/linux-thinkpad
>
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<br><br><div class=3D"gmail_quote">2011/6/15 Henrique de Moraes Holschuh <s=
pan dir=3D"ltr"><<a href=3D"mailto:hmh@hmh.eng.br">hmh@hmh.eng.br</a>>=
;</span><br><blockquote class=3D"gmail_quote" style=3D"margin: 0pt 0pt 0pt =
0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
<div class=3D"im">On Wed, 15 Jun 2011, Schoap D wrote:<br>
> Afaik my system is capable of handling 2GHz, but when I set cpu scalin=
g on<br>
> performance it displays only 1.20GHz. What is going wrong here?<br>
<br>
</div>Wimpy AC adapter and no battery installed?<br></blockquote><div><br>E=
xactly! I have another adapter here and it's now possible to have it on=
2GHz when running on performance. <br>This is also=A0 true for the 'wi=
mpy AC' WITH battery.<br>
<br>Hmm<br><br>Thanks!<br>Dirk<br><br><br>=A0</div><blockquote class=3D"gma=
il_quote" style=3D"margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(20=
4, 204, 204); padding-left: 1ex;">
<div class=3D"im"><br>
> =A0 current policy: frequency should be within 800 MHz and 1.20 GHz.<b=
r>
> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 The governor "performance&quo=
t; may decide which speed to use<br>
> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 within this range.<br>
<br>
</div>That would be why it doesn't go over. =A0If it is the BIOS settin=
g it,<br>
don't override, it is protecting you from something.<br>
<br>
--<br>
=A0"One disk to rule them all, One disk to find them. One disk to bri=
ng<br>
=A0them all and in the darkness grind them. In the Land of Redmond<br>
=A0where the shadows lie." -- The Silicon Valley Tarot<br>
<font color=3D"#888888"> =A0Henrique Holschuh<br>
</font><div><div></div><div class=3D"h5">--<br>
The linux-thinkpad mailing list home page is at:<br>
<a href=3D"http://mailman.linux-thinkpad.org/mailman/listinfo/linux-thinkpa=
d" target=3D"_blank">http://mailman.linux-thinkpad.org/mailman/listinfo/lin=
ux-thinkpad</a><br>
</div></div></blockquote></div><br>
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