Re: [RFC PATCH 0/5] perf: Sanitize perf directory structure, p1

From: Ingo Molnar
Date: Mon Jan 11 2016 - 10:14:20 EST



* Borislav Petkov <bp@xxxxxxxxx> wrote:

> On Mon, Jan 11, 2016 at 01:39:44PM +0100, Ingo Molnar wrote:
> > So it is only now that I noticed that we have both 'core.c' and 'uncore.c', which
> > is slightly bit confusing: the core.c's we have around the kernel denote core
> > subsystem functionality - not CPU core functionality. If we have uncore.c around,
> > confusion might ensue.
> >
> > OTOH maybe it's not a big issue and we can just live with it. I'd hate to see
> > main.c. Maybe rename 'uncore.c' to 'cpu_uncore.c'? OTOH that sounds a bit silly
> > too. So maybe leave it as you named them.
>
> Well, not doung anything should be ok because the *uncore* things would
> go to the <vendor>/ subdir:
>
> I.e.,
>
> arch/x86/kernel/cpu/perf_event_amd_uncore.c
> arch/x86/kernel/cpu/perf_event_intel_uncore.c
> arch/x86/kernel/cpu/perf_event_intel_uncore.h
> arch/x86/kernel/cpu/perf_event_intel_uncore_nhmex.c
> arch/x86/kernel/cpu/perf_event_intel_uncore_snb.c
> arch/x86/kernel/cpu/perf_event_intel_uncore_snbep.c
>
> will become
>
> arch/x86/events/amd/uncore.c
> arch/x86/events/intel/uncore.c
> arch/x86/events/intel/uncore.h
> arch/x86/events/intel/uncore_nhmex.c
> arch/x86/events/intel/uncore_snb.c
> arch/x86/events/intel/uncore_snbep.c
>
> and core.c will be in the upper dir arch/x86/events/

Ok, works for me. Got confused by your ascii art:

arch/x86/events/
|-- amd
| |-- core.c
| |-- ibs.c
| |-- iommu.c
| |-- iommu.h
| `-- uncore.c
|-- core.c
`-- Makefile

which lists events/amd/core.c.

Thanks,

Ingo