Re: [PATCH 00/13] drivers/perf: apple_m1: Add M3/M4/A18 Pro Support

["Joshua Peisach" <jpeisach@ubuntu.com>]

On Tue Nov 3, 2026 at 5:14 AM EST, Myria Sarvay via B4 Relay wrote:
> This series adds support for the CPU PMU in the new M3, M4 and A18 SoCs
> presed in apple devices. These PMUs have new encodings for events, along
> with larger codes for these events. All of these events are as Apple
> describes them in the various kpep files found under /usr/share/kpep on
> macOS 27. More events may exist, but we have no idea of their affinity,
> or what they actually count, so we don't include them here.
>
> These patches have been tested on my own M2 (t8133-j413) and M3
> (t6031-j514c) devices, as well as by Yuvan on their M4 (t8132-j713)
> device.
>
> If possible, the device tree changes should probably go through
> apple-soc, as this is where the recently picked up M4 Pro/Max dts are.
>
> Tested-by: Yuvan Shen <yuvanshen09@gmail.com> # on t8132-j713
> Signed-off-by: Myria Sarvay <myrialsarvay@gmail.com>
> ---
> Myria Sarvay (12):
>       dt-bindings: arm: pmu: Add Apple M3/M4/A18 Pro SoC CPU PMU compatibles
>       drivers/perf: apple_m1: Remove unused variables
>       drivers/perf: apple_m1: Support per-implementation event size
>       drivers/perf: apple_m1: Use macros for per-implementation init functions
>       drivers/perf: apple_m1: Add Apple M3 Series Support
>       drivers/perf: apple_m1: Add Apple M4 Series Support
>       drivers/perf: apple_m1: Add Apple A18 Support
>       arm64: dts: apple: t603x: Add PMU Device Nodes
>       arm64: dts: apple: t8122: Add PMU Device Nodes
>       arm64: dts: apple: t604x: Add PMU Device Nodes
>       arm64: dts: apple: t8132: Add PMU Device Nodes
>       arm64: dts: apple: t8140: Add PMU Device Nodes
>
Maybe the folder should be renamed to 'apple_arm' or something like
that?

> Nick Chan (1):
>       drivers/perf: apple_m1: Support per-implementation event tables
>
>  Documentation/devicetree/bindings/arm/pmu.yaml |   8 +
>  arch/arm64/boot/dts/apple/t6030.dtsi           |  12 +
>  arch/arm64/boot/dts/apple/t6031-base.dtsi      |  12 +
>  arch/arm64/boot/dts/apple/t6041.dtsi           |  12 +
>  arch/arm64/boot/dts/apple/t8122.dtsi           |  12 +
>  arch/arm64/boot/dts/apple/t8132.dtsi           |  12 +
>  arch/arm64/boot/dts/apple/t8140.dtsi           |  12 +
>  drivers/perf/apple_m1_cpu_pmu.c                | 664 ++++++++++++++++++++++---
>  8 files changed, 662 insertions(+), 82 deletions(-)
> ---
> base-commit: acb925da49876e74b806ccd48a7518d2d3368e5d
> change-id: 20260929-m3-plus-pmu-events-e4010ab44135
>
> Best regards,
> --  
> Myria Sarvay <myrialsarvay@gmail.com>