[PATCH] perf/arm_cspmu: Add Arm system PMU

[Will Deacon]

On Wed, Sep 09, 2026 at 05:23:00PM +0100, Robin Murphy wrote:
> Arm's latest Compute Subsystems and SoCs are using a common PMU block
> in various places which can mostly just be driven as a generic 64-bit
> CoreSight PMU, but does have an IMP-DEF register for additional
> filtering. The details of event and filter encodings depend on the
> particular PMU instance, so are left to the higher level Arm Telemetry
> Solution tooling.
> 
> Signed-off-by: Robin Murphy <robin.murphy at arm.com>
> ---
>  drivers/perf/arm_cspmu/Kconfig      |  7 +++
>  drivers/perf/arm_cspmu/Makefile     |  1 +
>  drivers/perf/arm_cspmu/arm_cspmu.c  |  7 +++
>  drivers/perf/arm_cspmu/arm_cspmu.h  |  1 +
>  drivers/perf/arm_cspmu/arm_syspmu.c | 67 +++++++++++++++++++++++++++++
>  5 files changed, 83 insertions(+)
>  create mode 100644 drivers/perf/arm_cspmu/arm_syspmu.c

Sashiko failed to apply this and so did I :/

What is it based on?

Will