Johannes Engel wrote:
Hello!Some days ago I heard about this project and tried to optimize my laptop with respect to its power consumption. I used the hints from the homepage regarding intel915, dhcdbd, etc. One thing I noticed is a fair amount of wakeups caused by kded which manages the KDE services. Killing it solves the problem. ;) My current result has no real high peak but a very wide base field. ;) Do you have any hints about further optimization? Greetings, Johannes PowerTOP version 1.3 (C) 2007 Intel Corporation Cn Avg residency (20s) Long term residency avg C0 (cpu running) ( 0.0%) C1 0.0ms ( 0.0%) 0.0ms C2 10.8ms ( 0.5%) 2.1ms C3 32.7ms (99.8%) 7.1ms Wakeups-from-idle per second : 62.1 Top causes for wakeups: 22.4% ( 5.4) <interrupt> : eth0 16.6% ( 4.0) modprobe : usb_hcd_poll_rh_status (rh_timer_func) 12.4% ( 3.0) powersaved : queue_delayed_work_on (delayed_work_timer_ 4.8% ( 1.1) Xorg : do_setitimer (it_real_fn) 4.6% ( 1.1) <interrupt> : libata
if you still have hal running to poll your cdrom drive.. that's one you can disable.
But your C-state data looks quite good already; I'm not sure you'll save really significant amounts of power going forward
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