Re: Increased CPU usage in linux 2.6.21

On Thu, Aug 02, 2007 at 05:31:08PM -0400, Jose Luis Rivas Contreras wrote:

> > I don't think this is a Gkrellm issue, but I figure I'll ask here
> > anyway: I was using gkrellm2 on linux 2.6.19 for a while. I found that
> > when the system was idle, my cpu usage would show as 0.
> > 
> > How after upgrading to 2.6.21, I find my CPU usage oscillates anywhere
> > between 1 and 3 percent when my system is idle. I made sure that I'm
> > running the same version of all other packages, so the only change in my
> > system is the linux kernel itself.
> > 
> > Anyone else see this behaviour? Any idea why? I posted to the linux
> > kernel list, but I think my message got lost in the flood of the 300 odd
> > messages that get posted there every day. If someone else can reproduce
> > this behaviour, and has reason to believe this is a bug, I'll report it
> > as a bug.
>
> You can always use `top' and check what's going on, what using your
> processor while your system is supposed to be idle ;)

I tried that. Strangely, my non-idle tasks are typically something like
X, mrxvt (my terminal emulator). Each of them take some .3%.

I'll try reverting and see if the same is the case with 2.6.19. But I
gather no one else on this list sees increased CPU usage in 2.6.21?
(Even though it's just increased by some 1 or 2%).

Thanks,

GI

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