Messages in this thread | | | Subject | Re: Scheduler set to 1000Hz | From | Andi Kleen <> | Date | 23 Jan 1999 11:47:43 +0100 |
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In article <Pine.LNX.3.96.990122165340.10290A-100000@chiara.csoma.elte.hu>, mingo@chiara.csoma.elte.hu (MOLNAR Ingo) writes: > On Fri, 22 Jan 1999, Matti Aarnio wrote:
>> It is somewhat difficult to modifying presentation machinery of some >> values in e.g. /proc/123/stat "file" to scale them so that they always >> present their value as if the HZ would be the ``classical constant'' >> for given platform. For example, where would the ``classical constant'' >> be taken from, if the only instance of ``HZ'' is modified ?
> 'Hz' has a physical definition. The Linux HZ constant just says how many > timer interrupts per second should occur. The requirement is to never let > this (arbitrary) constant show up, but to have all API components use the > 'real-world' definition of time.
This requirement is broken in several places currently, mainly in sysctls.
-Andi
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