Re: Linux 2.2.18: /proc/apm slows system time (was: Linux 2.2.19pre3)

[Alan Cox]

> >     while { true } do cat /proc/apm done
> > 
> > made the box visibly stall and jerk doing X operations
> 
> Ok, now, what can be done about the stall? I assume nothing serious.

Nothing much

> Is there at least away we can recover the proper system time after these
> stalls?

If you have a tsc on your chip - I think most modern laptops will do as they
tend to be pentium/mmx k6 or pII/pIII processors, then you can check the 
elapsed CPU cycles and recover the jiffies from that. Might be an interesting
exercise for someone


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