Red Hat Bugzilla – Bug 249819
kooldock should be nicer to cpu
Last modified: 2009-01-08 23:49:12 EST
I use kooldock on my notebook and find it great
It is hidden and will be visible only moving mouse on top border
But on a 1.66 GHz Core Duo it uses most time 1.5 - 3 % cpu and produces many
wakeups - Think there should be something optimized so that is idle if it is
Wakeups-from-idle per second : 1605.8
no ACPI power usage estimate available
Top causes for wakeups:
58.6% (966.5) java : schedule_timeout (process_timeout)
17.3% (284.9) kooldock : schedule_timeout (process_timeout)
5.9% ( 97.5) S06cpuspeed : queue_delayed_work_on (delayed_work_timer_fn)
3.7% ( 61.2) <interrupt> : uhci_hcd:usb4, nvidia
3.0% ( 48.7) syndock : futex_wait (hrtimer_wakeup)
3.0% ( 48.7) X : do_setitimer (it_real_fn)
2.1% ( 34.4) <kernel core> : neigh_table_init_no_netlink
1.3% ( 21.7) java : futex_wait (hrtimer_wakeup)
1.0% ( 17.3) <interrupt> : uhci_hcd:usb2, firewire_ohci
0.7% ( 11.0) <interrupt> : libata
0.6% ( 9.1) <interrupt> : yenta, uhci_hcd:usb3, iwl3945
0.4% ( 7.4) firefox-bin : futex_wait (hrtimer_wakeup)
0.4% ( 6.0) soffice.bin : schedule_timeout (process_timeout)
0.3% ( 5.2) superkaramba : schedule_timeout (process_timeout)
0.2% ( 4.0) <kernel module> : usb_hcd_poll_rh_status (rh_timer_func)
0.2% ( 2.9) konqueror : schedule_timeout (process_timeout)
0.2% ( 2.6) kicker : schedule_timeout (process_timeout)
0.1% ( 2.0) <kernel core> : queue_delayed_work_on (delayed_work_timer_fn)
0.1% ( 1.8) vmware-serverd : schedule_timeout (process_timeout)
0.1% ( 1.8) kwin : schedule_timeout (process_timeout)
Hmm are there any plans
This is not a really working-problem but it shoots down the tickless-kernel and
other optimizings for reducing runtime from notebooks
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