Messages in this thread | | | Subject | Re: hackbench regression with kernel 2.6.32-rc1 | From | Mike Galbraith <> | Date | Mon, 12 Oct 2009 16:33:52 +0200 |
| |
On Mon, 2009-10-12 at 16:21 +0200, Peter Zijlstra wrote:
> Mike, did we ever figure out _why_ NEXT_BUDDY introduced latencies?
No, I haven't gotten around to poking at that yet. I'll try that x264 thing, IIRC, NEXT_BUDDY hurt it pretty badly.
> Buddies shouldn't make latencies worse than regular while(1); loops > would.
Yeah, no idea what's going wrong.
-Mike
| |