Re: [RFC][PATCH 3/9] perf: export registerred pmus via sysfs

[Lin Ming]

On Mon, 2010-05-10 at 19:11 +0800, Lin Ming wrote:
> On Mon, 2010-05-10 at 19:04 +0800, Peter Zijlstra wrote:
> > On Mon, 2010-05-10 at 18:58 +0800, Lin Ming wrote:
> > > Take Nehalem core and uncore pmu as an example,
> > > 
> > > core pmu sits under /sys/devices/system/cpu/cpuN/pmu_id with ID 0,
> > > 
> > > But uncore pmu is shared by cpus within package, where should it sit
> > > under? 
> > 
> > I already gave you the answer to that:
> > 
> >  /sys/devices/system/cpu/cpuN/nodeN/
> > 
> > the uncore pmu is the memory controller (aka node) pmu.
> 
> Ah, much clear now.
> 
> perf_event_register_pmu needs another paramter, like
> 
> perf_event_register_pmu(struct pmu *pmu, int pmu_type);

Or just put this "pmu_type" into struct pmu?

> 
> Thanks.

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