On Mon, Jan 18, 2010 at 03:59:58PM +0100, Peter Zijlstra wrote:
> On Mon, 2010-01-18 at 15:53 +0100, Frederic Weisbecker wrote:
> 
> > Not sure what you both mean by this core VS uncore thing :)
> > Is it about hardware counters that apply to single hardware threads
> > or shared among them inside a same core?
> 
> Yeah intel has two PMUs, one per logical cpu and one per socket/node. We
> currently don't support the node one yet.
> 
> So the thing with these socket wide things is is that they are not able
> to tell where the event originated, so relating that back to a task is
> only possible when there's only one task running.
> 


Ah ok.


------------------------------------------------------------------------------
Throughout its 18-year history, RSA Conference consistently attracts the
world's best and brightest in the field, creating opportunities for Conference
attendees to learn about information security's most important issues through
interactions with peers, luminaries and emerging and established companies.
http://p.sf.net/sfu/rsaconf-dev2dev
_______________________________________________
perfmon2-devel mailing list
perfmon2-devel@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/perfmon2-devel

Reply via email to