registry team mailing list archive

[Shane Kerr <shane@xxxxxxxxxxxxxxxxxxx>]

Brian, the kernel from your PPA does indeed seem to help a little bit. I
was getting an average of something like 140 wakes per second and now
the average is around 100.

My computer still seems to spend a lot of time doing housekeeping... for
example a recent powertop output:

 31,2% ( 78,4)   [extra timer interrupt]
  21,1% ( 53,0)   [kernel scheduler] Load balancing tick
  18,5% ( 46,4)   [iwlagn] <interrupt>
   9,3% ( 23,5)   firefox-bin
   4,0% ( 10,0)   [kernel core] r600_audio_update_hdmi (r600_audio_update_hdmi)
   4,0% ( 10,0)   ubuntuone-syncd
   3,7% (  9,4)   [kernel core] hrtimer_start (tick_sched_timer)

70 wakeups doing something I care about (wireless and Firefox) and 160
doing... other stuff.

Anyway thanks for the kernel, at least it's something until a fix gets
backported officially! (Which I hope will happen, this being LTS and
all.)

-- 
Tens of wakes per second in "[kernel scheduler] Load balancing tick" on Core 2 Duo even with only 1 core enabled
https://bugs.launchpad.net/bugs/524281
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