[PATCH v1 0/3] arm64: Support Cortex-X4 CPU for Perf Arm SPE
Arnaldo Carvalho de Melo
acme at kernel.org
Fri Jul 28 07:38:11 PDT 2023
Em Mon, Jul 24, 2023 at 07:30:13PM +0800, Leo Yan escreveu:
> Hi Ali,
>
> On Fri, Jul 21, 2023 at 06:16:53PM +0000, Ali Saidi wrote:
>
> > > This series support Cortex-X4 CPU in Perf Arm SPE.
>
> [...]
>
> > This looks good to me, but can we add the other cores that operate the
> > same way now too? Flipping through the TRMs A78, X3, V2, X1, A715,
> > A720, and A78C all have the same encodings.
>
> Thanks a lot for exploring more CPU variants which share the same data
> source packet format.
>
> The latest Linux kernel have defined the CPU part number and MIDR for
> below CPU variants:
>
> - A78
> - X1
> - A715
> - A78C
>
> I would like to use a patch to support these CPUs in perf tool. Given
> other CPU variants (X3/V2/A720) have not been supported in the kernel,
> and so far no one requests them, I would like leave them out.
>
> Please let me know if this okay for you or not.
>
>
> > Reviewed-by: Ali Saidi <alisaidi at amazon.com>
>
> Thanks for review, I will add your review tags in the new patch set.
Ok, waiting for the new patch set.
- Arnaldo
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