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Hi! > > entitlement for the process as per the current CPU frequency. This > > technique is used in powerpc architecture with the help of hardware > > registers that accurately capture the entitlement. > > > > there are some issues with this unfortunately, and these make it > a very complex thing to do. > Just to mention a few: > 1) What if the BIOS no longer allows us to go to the max frequency for > a period (for example as a result of overheating); with the approach > above, the admin would THINK he can go faster, but he cannot in reality, > so there's misleading information (the system looks half busy, while in Plus time one-second-computation-job returning anything else is just wrong. Even when it only happens when overheated... or only on battery power. If you want scaled utime, you need new interface. Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html | ||||||||||||
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