On Wed, Aug 01, 2007 at 04:36:24PM +0200, Ingo Molnar wrote: > > * Roman Zippel <[EMAIL PROTECTED]> wrote: > > > > jiffies based sched_clock should be soon very rare. It's probably > > > not worth optimizing for it. > > > > I'm not so sure about that. sched_clock() has to be fast, so many > > archs may want to continue to use jiffies. [...] > > i think Andi was talking about the vast majority of the systems out > there. For example, check out the arch demography of current Fedora > installs (according to the Smolt opt-in UUID based user metrics):
I meant that in many cases where the TSC is considered unreliable today it'll be possible to use it anyways at least for sched_clock() (and possibly even gtod()) The exception would be system which really have none, but there should be very few of those. -Andi - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/