Re: [announce] Performance Counters for Linux, v6

[Ingo Molnar]

* Randy Dunlap <randy.dunlap@xxxxxxxxxx> wrote:

> Ingo Molnar wrote:
> > We are pleased to announce version 6 of our performance counters subsystem 
> > implementation. The shortlog, diffstat and the combo patch can be found 
> > below. The combo patch against latest -git (2.6.29-rc2) can be also found 
> > at:
> > 
> >    http://people.redhat.com/mingo/perfcounters/perfcounters-v6-v2.6.29-rc2.patch
> > 
> > It's also available in tip/master at:
> >  
> >    http://people.redhat.com/mingo/tip.git/README
> >  
> > There are many changes in the v6 release:
> > 
> >  - PowerPC performance counters support from Paul Mackerras, for POWER6
> >    and for the PPC970 family.
> > 
> >  - ioctl API to disable/enable individual counters and groups without
> >    closing their fd. This can be useful for libraries, ad-hoc 
> >    instrumentation and PAPI support.
> > 
> >  - 'pinned' and 'exclusive' counter attributes - for those
> >    applications that want to influence counter scheduling explicitly.
> > 
> >  - The 'perfstat' utility (ex 'timec') has been updated:
> > 
> >       http://people.redhat.com/mingo/perfcounters/perfstat.c
> > 
> >  - 'kerneltop' (easy-to-use text mode NMI profiler) has been updated:
> >    
> >       http://people.redhat.com/mingo/perfcounters/kerneltop.c
> 
> BTW, this kerneltop has nothing to do with that other one??
> 
> 	http://www.xenotime.net/linux/kerneltop/

heh, didnt know about that one - there's no connection other than the name 
:-) The project seems somewhat stale but indeed similar in purpose. Can
rename to kerneltop2 i guess.

	Ingo
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