svn commit: r297558 - in head/sys: kern sys x86/x86

Alexey Dokuchaev danfe at FreeBSD.org
Tue Apr 5 08:16:47 UTC 2016


On Tue, Apr 05, 2016 at 08:25:18AM +0300, Andriy Gapon wrote:
> On 05/04/2016 04:14, Alexey Dokuchaev wrote:
> > On Mon, Apr 04, 2016 at 04:09:29PM +0000, Andriy Gapon wrote:
> >> New Revision: 297558
> >> URL: https://svnweb.freebsd.org/changeset/base/297558
> >>
> >> Log:
> >>   new x86 smp topology detection code
> >>   
> >>   Previously, the code determined a topology of processing units
> >>   (hardware threads, cores, packages) and then deduced a cache topology
> >>   using certain assumptions.  The new code builds a topology that
> >>   includes both processing units and caches using the information
> >>   provided by the hardware.
> > 
> > Good work!  On a related note, would it make it easier/possible to start
> > thinking about if FreeBSD can export CPU cache information into userland?
> 
> Yes, this was somewhere in the long to-do list in the commit message :-)

Ah right, missed it, sorry.  Awesome, looking forward for this feature!

./danfe


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