[Bug 30557] Re: [Bug 30557] Re: cpu idle time in /proc/stat wrong

sohail sohail at taggedtype.net
Fri May 19 05:04:05 UTC 2006


On Thu, 2006-05-18 at 07:04 +0000, Pausanias wrote:
> Note that this workaround causes a performance hit in my cpu-intensive
> apps, so it's not really an acceptable solution.
> 
> > Setting the max cpu C-state to C2 
> > (it spends most of it's time in C3 by default) using:
> 
> > echo 2 > /sys/module/processor/parameters/max_cstate
> 
> > Causes the /proc/stat values start to increase by
> > reasonable values and more importantly cpufreq_conservative
> > actually starts to scale the cpu speed when idle.

Can we escalate the priority of this bug? It is a ubuntu patch (iirc)
and we don't need any help from upstream.

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




More information about the kernel-bugs mailing list