Tagged Questions
3
votes
0answers
96 views
How do you prevent CPUs from being throttled when battery is taken out of Laptop (aka only on AC power)?
My laptop CPUs are throttled down to .8GHz instead of 2.5GHz whenever I am connected to AC only and not the battery. I tried using cpufreq-set and it allows me to set the speed when the battery is ...
0
votes
1answer
311 views
Can't find “/sys/devices/system/cpu/sched_mc_power_savings”
I'm currently working on Ubuntu 12.04 x64. A lot of manuals about power saving in Linux tells about using parameters /sys/devices/system/cpu/sched_mc_power_savings and ...
0
votes
1answer
396 views
Am I using all the power of my PC in Ubuntu? How can I find this out?
My computer has a CPU with 4 cores and 4GB RAM.
What I want is to find out, if I am using all the available power that my PC offers to me? How can I do this?
3
votes
1answer
1k views
Lenovo ThinkPad L520 slows down when AC power adapter is plugged in
I have a new laptop Lenovo ThinkPad L520 (7859-5BG) Core i5-2520M(2.5GHz) with 4GB RAM.
Having installed Ubuntu 11.10 32-bit, while browsing with Chrome on GNOME classic (no effects), I noticed 173% ...
4
votes
3answers
406 views
ACPI 30k+ interrupts per second
My computer is currently doing something like 30k+ interrupts per second. This causes battery issues as well as the CPU being always stuck at the highest speed, making it very hot (overheating.. 75C ...
6
votes
4answers
5k views
High Idle CPU temperature under Ubuntu, but not Windows
I have a Dell Inspiron Mini 1012 running Ubuntu 10.04 and Windows 7 Starter in a dual-boot configuration.
The CPU runs much cooler in Windows than it does in Ubuntu, even when the CPU has been ...
1
vote
2answers
1k views
What happened to sched_mc_power_savings
My laptop's battery performance is awful. I can get about an hour and a half out of it, so I've been looking for some ways to boost the power efficiency of my laptop.
I saw the tip to enable this:
...
