linux-kernel - Re: [RFCv4 0/7] arm_pmu/perf tools: play nicely with CPU PMU cpumasks

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Date:   Fri, 9 Sep 2016 10:31:31 +0100
From:   Will Deacon <will.deacon@....com>
To:     Peter Zijlstra <peterz@...radead.org>
Cc:     Arnaldo Carvalho de Melo <acme@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        alexander.shishkin@...ux.intel.com, jolsa@...nel.org,
        mingo@...hat.com
Subject: Re: [RFCv4 0/7]  arm_pmu/perf tools: play nicely with CPU PMU
 cpumasks

On Thu, Sep 08, 2016 at 08:16:57PM +0200, Peter Zijlstra wrote:
> On Thu, Sep 08, 2016 at 01:25:02PM -0300, Arnaldo Carvalho de Melo wrote:
> > Em Thu, Sep 08, 2016 at 11:21:45AM +0100, Mark Rutland escreveu:
> > > Hi,
> > > 
> > > I'm trying to make the perf tool play better with PMUs in heterogeneous systems
> > > (e.g. big.LITTLE), where there are several logical PMUs, each covering a subset
> > > of CPUs.
> > 
> > So I added 6/7 and 7/7 to my local perf/core branch, I think they can go
> > before the others, Peter, do you want me to take the kernel parts as
> > well?
> 
> arm pmu stuff usually goes through the arm tree. Up to Mark I suppose.

I can queue the kernel bits once I've reviewed them (will try to take a
look today).

Will