Messages in this thread | | | Date | Fri, 25 Oct 2013 19:03:06 +0200 | From | Peter Zijlstra <> | Subject | Re: [PATCH] perf, x86: Optimize intel_pmu_pebs_fixup_ip() |
| |
On Fri, Oct 25, 2013 at 12:33:03PM -0400, Don Zickus wrote: > Hi Peter, > > I finally had a chance to run this on my machine. From my testing, it > looks good. Better performance numbers. I think my longest latency went > from 300K cycles down to 150K cycles and very few of those (most are under > 100K cycles). > > I also don't see perf throttling me down to 1500 samples, it stops around > 7000. So I see progress with this patch. :-)
Awesome.. I'll write up a proper patch when I'm back home.
| |