I was not happy with the power consumption of CentOS 6 x86_64 on a new
Lenovo Thinkpad x220 Tablet and I worked on reducing it. I just wanted
to share with the list one of the changes which gave me the most
significant improvement.
As per http://www.williambrownstreet.net/blog/?p=387, add
These could be bad options for a number of users and since it's set at
kernel boot time how can you override it once the OS has booted? Can you
disable this without altering boot parameters and rebooting? If the answer
is yes than a tuned configuration should be created or altered to set
You could also consider just sticking to tuned and then having a look at the
power management options as provided there. tuned-adm list will show you
some predefined power management options which *can* be tweaked.
I have made many tests with tuned and written small scripts to switch
from
On 03/08/12 17:05, Mathieu Baudier wrote:
As per http://www.williambrownstreet.net/blog/?p=387, add the
following kernel arguments to the GRUB boot configuration:
pcie_aspm=force i915.i915_enable_rc6=1 i915.lvds_downclock=1
i915.i915_enable_fbc=1
As measured using PowerTop, this made the
Hello,
I was not happy with the power consumption of CentOS 6 x86_64 on a new
Lenovo Thinkpad x220 Tablet and I worked on reducing it. I just wanted
to share with the list one of the changes which gave me the most
significant improvement.
As per http://www.williambrownstreet.net/blog/?p=387, add
On Fri, Aug 3, 2012 at 3:05 PM, Mathieu Baudier mbaud...@argeo.org wrote:
pcie_aspm=force i915.i915_enable_rc6=1 i915.lvds_downclock=1
i915.i915_enable_fbc=1
Interesting as now I'm using RHEL 6.3 on T400.
Would that make the notebook slower?
--
http://linux3.arinet.org
pcie_aspm=force i915.i915_enable_rc6=1 i915.lvds_downclock=1
i915.i915_enable_fbc=1
Interesting as now I'm using RHEL 6.3 on T400.
Would that make the notebook slower?
I did not notice any change in performance so far.
(Tested with parallelized, offline, Java build and unit tests)
On 03/08/12 08:05, Mathieu Baudier wrote:
Hello,
I was not happy with the power consumption of CentOS 6 x86_64 on a new
Lenovo Thinkpad x220 Tablet and I worked on reducing it. I just wanted
to share with the list one of the changes which gave me the most
significant improvement.
As per
- Original Message -
| Hello,
|
| I was not happy with the power consumption of CentOS 6 x86_64 on a
| new
| Lenovo Thinkpad x220 Tablet and I worked on reducing it. I just
| wanted
| to share with the list one of the changes which gave me the most
| significant improvement.
|
| As per
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