Messages in this thread | | | Date | Fri, 31 Oct 2008 13:17:21 -0400 | From | Dave Jones <> | Subject | Re: sched domains oddness. |
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On Fri, Oct 31, 2008 at 10:09:29AM -0700, Suresh Siddha wrote:
> > looks like someone is triggering rebuild_sched_domains(), is something > > poking cpusetfs files or flipping between sched_mc settings? > > I remember someone mentioning that some distro's started setting > sched_mc_power_savings to '1' by default during boot. On a dual-core > laptop, this will not give any advantage. > > I have to fix the code to not export this tunable, when we have only > socket in the system. > > Dave, Is your distro also setting this tunable blindly during boot :(
(13:15:25:davej@vaio:~)$ cat /sys/devices/system/cpu/sched_mc_power_savings 0
So no, unless something set it to 1, and then back to 0.
A grep of etc shows up nothing in initscripts. Does hal or something play with this?
Dave
-- http://www.codemonkey.org.uk
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