Re: [Perfctr-devel] [patch] Performance Counters for Linux, v4

[Martin Cracauer <cracauer@cons.org>]

Ingo Molnar wrote on Sun, Dec 14, 2008 at 10:28:29PM +0100: 
> We are pleased to announce the v4 release of our performance counters 
> subsystem implementation. The kernel changes can be picked up from:
> 
>    git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip.git perfcounters/core
> 
>   (also in the master branch. There's also a kernel patch attached 
>    below.)
> 
> The biggest new feature in this release is the implementation of 
> "performance counter inheritance" for the per task counters: the ability 
> to extend performance counters to cover the execution of child tasks 
> too, transparently and automatically - following them to other CPUs.

Does this come with a PAPI frontend or is one planned?

I picked the old perfctr mainly because I need PAPI.  Outside-process
measurement doesn't do for my application, I need subdivisions in my
code.

Thanks
	Martin
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Martin Cracauer <cracauer@cons.org>   http://www.cons.org/cracauer/