[PATCH v2 11/13] perf arm_spe: Refactor arm_spe__get_metadata_by_cpu()

[Leo Yan]

On Mon, Jun 30, 2025 at 09:53:18AM -0700, Ian Rogers wrote:

[...]

> > +       /* CPU ID is -1 for per-thread mode */
> > +       if (cpu < 0) {
> > +               /*
> > +                * On the heterogeneous system, due to CPU ID is -1,
> > +                * cannot confirm the meta data.
> > +                */
> > +               if (!spe->is_homogeneous)
> > +                       return NULL;
> > +
> > +               /* In homogeneous system, simply use CPU0's metadata */
> 
> Could this be derived from the spe's pmu_type? Something like
> perf_pmus__find_by_type(spe->pmu_type)->cpus ?

Good point, I will give a try. Thanks for suggestion!

Leo