Re: [PATCH V2 2/3] perf/x86/intel/bm.c: Add Intel Branch Monitoring support

From: Megha Dey
Date: Wed Dec 20 2017 - 16:07:35 EST


On Wed, 2017-12-13 at 08:21 +0100, Peter Zijlstra wrote:
> On Tue, Dec 12, 2017 at 03:08:00PM -0800, Megha Dey wrote:
> > >
> > > There's work on the way to allow multiple HW PMUs. You'll either have to
> > > wait for that or help in making that happen. What you do not do is
> > > silently hack around it.
> >
> > Could I get a pointer to the code implementing this?
> >
>
> There isn't much code now; but it could be build on top of the stuff
> here:
>
> git://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git perf/core
>
> It was mostly Mark I think who wanted this for big litte stuffs.

Could you give us an estimate on the amount of time it could take to
implement this?

I am not sure what the current status is or if Mark has been working on
it.