Re: [PATCH v3] perf pmu intel: Adjust cpumaks for sub-NUMA clusters on Emeraldrapids

[Chun-Tse Shao]

Please check patch v4 for rebasing.

https://lore.kernel.org/20260402205300.1953706-1-ctshao@xxxxxxxxxx

Thanks,
CT

On Wed, Apr 1, 2026 at 5:08 PM Namhyung Kim <namhyung@xxxxxxxxxx> wrote:
>
> On Wed, Apr 01, 2026 at 09:38:24AM -0700, Ian Rogers wrote:
> > On Thu, Feb 12, 2026 at 4:08 PM Chen, Zide <zide.chen@xxxxxxxxx> wrote:
> > >
> > > On 2/12/2026 2:39 PM, Chun-Tse Shao wrote:
> > > > Similar to GNR [1], Emeraldrapids supports sub-NUMA clusters as well.
> > > > Adjust cpumasks as the logic for GNR in [1].
> > > >
> > > > Tested on Emeraldrapids with SNC2 enabled:
> > > >   $ perf stat --per-node -e 'UNC_CHA_CLOCKTICKS,UNC_M_CLOCKTICKS' -a -- sleep 1
> > > >
> > > >    Performance counter stats for 'system wide':
> > > >
> > > >   N0       30        72125876670      UNC_CHA_CLOCKTICKS
> > > >   N0        4         8815163648      UNC_M_CLOCKTICKS
> > > >   N1       30        72124958844      UNC_CHA_CLOCKTICKS
> > > >   N1        4         8815014974      UNC_M_CLOCKTICKS
> > > >   N2       30        72121049022      UNC_CHA_CLOCKTICKS
> > > >   N2        4         8814592626      UNC_M_CLOCKTICKS
> > > >   N3       30        72117133854      UNC_CHA_CLOCKTICKS
> > > >   N3        4         8814012840      UNC_M_CLOCKTICKS
> > > >
> > > >          1.001574118 seconds time elapsed
> > > >
> > > > [1] lore.kernel.org/20250515181417.491401-1-irogers@xxxxxxxxxx
> > > >
> > > > Signed-off-by: Chun-Tse Shao <ctshao@xxxxxxxxxx>
> > >
> > > LGTM.
> > >
> > > Reviewed-by: Zide Chen <zide.chen@xxxxxxxxx>
> >
> > Reviewed-by: Ian Rogers <irogers@xxxxxxxxxx>
>
> It doesn't apply cleanly anymore.  CT, can you please rebase?
>
> Thanks,
> Namhyung
>