svn commit: r265792 - head/sys/kern

Adrian Chadd adrian at
Tue May 20 16:04:27 UTC 2014

On 20 May 2014 08:41, Slawa Olhovchenkov <slw at> wrote:

>> (But if you try it on 10.0 and it changes things, by all means let me know.)
> I am try on 10.0, but not sure about significant improvement (may be
> 10%).
> For current CPU (E5-2650 v2 @ 2.60GHz) hwpmc don't working (1. after
> collect some data `pmcstat -R sample.out -G out.txt` don't decode any;
> 2. kldunload hwpmc do kernel crash) and I can't collect detailed
> profile information.

Yup. I'm starting to get really ticked off at how pmc logging on
multi-core devices just "stops" after a while. I'll talk with other
pmc people and see if we can figure out what the heck is going on. :(


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