[Bug 524281] Re: Tens of wakes per second in "[kernel scheduler] Load balancing tick" on Core 2 Duo even with only 1 core enabled

Michael Christensen conphara at yahoo.com
Sat May 8 18:42:55 UTC 2010


I have tested the following boot options adding "idle=halt" and
"processor.max_cstate=1" or cstate=2, not adding all at the same time
but one after the other. None of the options aren't fixing the wakeups
on a Core 2 Duo (E6500) or on a Pentium D (both desktop PCs).

This is what is looks like in Powertop when scrolling a page in Firefox:
Top causes for wakeups:
42,3% (115,9)   [kernel scheduler] Load balancing tick

This is what it looks like when idle:
8,2% (7,0)   [kernel scheduler] Load balancing tick

-- 
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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