Re: Possible spin-problem in nanosleep()

From: Mike Galbraith
Date: Sun Jun 26 2005 - 13:17:08 EST


At 06:18 PM 6/26/2005 +0100, Alan Cox wrote:
On Gwe, 2005-06-24 at 12:42, Richard B. Johnson wrote:
> Are you saying that each might get the CPU from between 0 and 1
> tick, i.e., asynchronous with the tick? If so, depending upon the
> phase between the timer-tick and when a task gets awakened, a task
> may never get any CPU time at all. If so, this is a bug.

No I'm saying the samping rate of the timer tick limits the resolution
of accounting of data (ie straight information theory limits)

(precisely stated [again])

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