ubuntu-x-swat team mailing list archive

[Richard Kleeman <kleeman@xxxxxxxxxxxx>]

Yes I have also seen a similar degradation between the two kernels. What
is notable in your case and mine is that the kernel interrupts are
labelled differently between the two cases. There are actually fewer
load balancing ticks in the later kernel but other categories eg [extra
timer interrupt] are chewing up power. So something appears to have
changed but not in a good way and focussing solely on [kernel scheduler]
Load balancing tick is not appropriate.

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https://bugs.launchpad.net/bugs/524281

Title:
  Tens of wakes per second in "[kernel scheduler] Load balancing tick"
  on Core 2 Duo even with only 1 core enabled