Messages in this thread | | | Date | Mon, 05 Nov 2012 08:54:02 -0600 | From | Chris Friesen <> | Subject | Re: Fwd: Nice processes prevent frequency increases - possible scheduler regression (known good in 2.6.35) |
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On 11/03/2012 09:40 AM, Michal Zatloukal wrote: > On Sat, Nov 3, 2012 at 12:48 PM, Mike Galbraith<efault@gmx.de> wrote: >> On Sat, 2012-11-03 at 04:33 -0700, Mike Galbraith wrote: >>> On Fri, 2012-11-02 at 21:09 +0100, Michal Zatloukal wrote:
>>> Your nice 19 tasks receiving 'too much' CPU when there are other >>> runnable tasks around sounds like you have SCHED_AUTOGROUP enabled. >> >> (forgot to mention: if that's the case, you can add noautogroup to your >> kernel command line to turn it off if distro turned it on in .config) >> > > Thanks, Ubuntu's kernel is indeed configured with that option enabled, > and passing "noautogroup" at grub restores the previous behaviour. I'm > back to happy days again :) BTW, isn't this the "magic 200-line patch" > I was reading about ~2 years ago?
Yes.
Chris
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