Re: [PATCH] sched: Support current clocksource handling in fallback sched_clock().

Peter Zijlstra
2009-05-26T20:30:47Z

On Tue, 2009-05-26 at 13:23 -0700, john stultz wrote:
> Overall, I'd probably suggest thinking this through a bit more. At some
> point doing this right will cause sched_clock() to be basically the same
> as ktime_get(). So why not just use that instead of remaking it?

simply because we don't require the strict global monotonicy for
scheduling as we do from a regular time source (its nice to have
though).

That means that on x86 we can always use TSC for sched_clock(), even
when its quite unsuitable for ktime.