[Bug 30557] Re: [Bug 30557] SMP looks like the problem

Ben Collins ben.collins at ubuntu.com
Wed Jul 12 23:32:44 UTC 2006


On Wed, 2006-07-12 at 23:04 +0000, Jer wrote:
> I can confirm that this is a SMP related issue.  I re-built my kernel
> with the only differences being that I changed my CPU to a Pentium-M,
> turned off SMP, and modified the ticks to 250/sec.
> 
> Performance is back to that of Breezy on my Celeron-M 1.4Ghz laptop, and
> I don't think its the different CPU settings, or the scheduler.
> Interactivity, especially while in a terminal is also much improved.

Basically what you did was recreate the -386 kernel.

-- 
cpu idle time in /proc/stat wrong
https://launchpad.net/bugs/30557




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