Messages in this thread | | | Date | Sun, 21 Mar 2004 02:09:39 +0100 (CET) | From | Tim Schmielau <> | Subject | Re: finding out the value of HZ from userspace |
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On Sun, 21 Mar 2004, Peter Williams wrote:
> In the 2.6 kernels internal timing and task statistics (for i386 > systems) are now kept in milliseconds where they were previously in > 1/100ths of a second. By converting these statistics to 1/100ths of a > second for export to user space an order of magnitude (i.e. a factor of > 10) loss of precision occurs.
No. The statistics are not a result of full bookkeeping, but simply gained by periodically sampling the processor state. So they don't have a precision of 1/1000th of a second anyways.
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