Followup to: <[EMAIL PROTECTED]>
By author: Keizo Fujii <[EMAIL PROTECTED]>
In newsgroup: linux.dev.smp
>
> Sorry, I had to write more information.
>
> > > On linux-2.2.12, it seems as "vibration".
> > >
> > > CPU0 ___---___---___---___---___ High/Low
> > >
> > > CPU1 ---___---___---___---___--- Low/High
> >
> > note that the period is several seconds - thus there is not really any
> > problem. (if not then it's a bug). What tool have you used to measure CPU
> > activity?
>
> I just watched by "xosview" ...
> The unit of scale is a few seconds.
>
This has been hashed and rehashed so many times, it ought to be
super-FAQ by now: xosview preturbs the analysis to the point of
uselessness, because xosview *itself* will cause a scheduling
preturbation.
-hpa
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