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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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