clock_getres() and real resolution

Richard Cochran richardcochran at gmail.com
Thu Feb 9 05:12:18 UTC 2012


On Wed, Feb 08, 2012 at 08:31:03AM -0800, Dmitry Antipov wrote:
> IIUC, an idea behind clock_getres() is to give a hint about the resolution of
> specified clock. This hint may be used by an application programmer to check whether
> this clock is suitable for a some purpose. So why clock_getres() always returns
> something like {0, 1} (if hrtimers are enabled) regardless of the underlying platform's
> real numbers?

I think "resolution" does not mean tick duration, but rather the finest timer unit.

HTH,
Richard



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