svn commit: r265792 - head/sys/kern

[Bjoern A. Zeeb]

On 20 May 2014, at 16:26 , Slawa Olhovchenkov <slw at zxy.spb.ru> wrote:

> On Tue, May 20, 2014 at 09:04:25AM -0700, Adrian Chadd wrote:
> 
>> On 20 May 2014 08:41, Slawa Olhovchenkov <slw at zxy.spb.ru> 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. :(
> 
> pmc work on E5-2620 @ 2.00GHz (NOT E5 _v2_)

I am looking into E5-2643 v2 issues on HEAD currently.
Just in case this will help anyone.

— 
Bjoern A. Zeeb             "Come on. Learn, goddamn it.", WarGames, 1983