Re: [RFC PATCH 3/4] perf/core: Split up pinned and non pinnedprocessing

From: Frederic Weisbecker
Date: Tue Nov 10 2009 - 04:32:15 EST


On Tue, Nov 10, 2009 at 06:11:41AM +0100, Ingo Molnar wrote:
>
> * Frederic Weisbecker <fweisbec@xxxxxxxxx> wrote:
>
> > Split up pinned and non-pinned events processing in two helpers
> > so that it's more flexible to handle them seperately.
>
> > +static void
> > +__perf_event_sched_in_volatile(struct perf_event_context *ctx,
> > + struct perf_cpu_context *cpuctx, int cpu)
>
> Small naming suggestion: 'volatile' is a C keyword and rarely used
> outside of that context in the kernel, which makes this function name a
> bit confusing.
>
> So instead of pinned/volatile, a pinned/flexible naming would be more
> readable, i.e. __perf_event_sched_in_flexible() or so.


Right, also that makes it consistent with the hw-breakpoint constraints
naming.


> Also, most of the static functions in kernel/perf_event.c could lose
> their perf_event_ prefix - we already know it's a perf thing, right?
> That will shorten quite a few function names there.
>
> These functions would turn into __sched_in_pinned()/__sched_in_flexible().
>
> Agreed?


Totally.

I'll prepare a new iteration, thanks!

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