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SubjectRe: [announce] Performance Counters for Linux, v6

* Randy Dunlap <randy.dunlap@oracle.com> 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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