Re: [PATCH V3 2/6] perf/core: Add helper to obtain performance counter index

From: Peter Zijlstra
Date: Mon Sep 17 2018 - 19:08:13 EST


On Mon, Sep 17, 2018 at 09:37:14AM -0700, Reinette Chatre wrote:
> On 9/17/2018 1:23 AM, Peter Zijlstra wrote:

> > I said arch/x86/include/asm/perf_events.h and call it:
> > x86_perf_rdpmc_index().
> >
> > This function is very much x86 specific.

> Moving it to arch/x86/include/asm/perf_event.h is not trivial since this
> file is not familiar with struct perf_event.

Urgh, right you are. Does it work if you make it a regular function
instead of an inline? Put the thing in arch/x86/events/core.c or so and
only an extern decl in asm/perf_event.h.