Messages in this thread | | | Date | Tue, 10 Dec 2013 15:47:44 +0100 | From | Peter Zijlstra <> | Subject | Re: [RFC][PATCH 0/7] sched: Optimize sched_clock bits |
| |
On Tue, Dec 03, 2013 at 04:10:53PM +0100, Peter Zijlstra wrote: > Also, static_key and related APIs suck donkey ballz -- I did indeed > promise myself I'd not step into that bike shed contest but having had > to use them again *painfull*.
> POST: > > [ 5.061000] sched_clock_stable: 1 > [ 18.916000] (cold) sched_clock: 1335206 > [ 32.576000] (cold) local_clock: 1365236 > [ 32.580000] (warm) sched_clock: 11771 > [ 32.584000] (warm) local_clock: 14725
It looks like this was using the jiffies (tsc_disabled) instead of rdtsc path.
/me curses static_key and co more.
| |