Messages in this thread | | | Date | Tue, 16 Dec 2008 10:46:55 -0500 | From | Martin Cracauer <> | Subject | Re: [Perfctr-devel] [patch] Performance Counters for Linux, v4 |
| |
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 -- %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% Martin Cracauer <cracauer@cons.org> http://www.cons.org/cracauer/
| |