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

To: ubuntu-x-swat@xxxxxxxxxxxxxxxxxxx
From: Captain Chaos <524281@xxxxxxxxxxxxxxxxxx>
Date: Fri, 04 Mar 2011 15:28:38 -0000
Reply-to: Bug 524281 <524281@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

I'm seeing this too on Ubuntu Maverick 32-bit (kernel 2.6.35-27-generic-
pae) on an Intel Core Duo quad core 3 GHz processor. Around 50% "[kernel
scheduler] Load balancing tick" pretty much continously.

My apologies if this has already been explained somewhere, but exactly
what is a "load balancing tick", and is it actually a problem to have a
lot of them?

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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