[PATCH v13 0/3] perf: Add Raspberry Pi AXI PMU driver

Krzysztof Kozlowski krzk at kernel.org
Sun Aug 16 23:20:35 PDT 2026


On 15/08/2026 19:27, Ian Rogers wrote:
> Motivation & Background
> ==============================
> Currently, Linux lacks a standard perf-API compatible driver for the
> Broadcom AXI performance counter blocks on Raspberry Pi platforms. Prior
> out-of-tree vendor solutions relied on custom debugfs nodes and ad-hoc
> kthreads, preventing integration with standard Linux perf tooling (`perf stat`,
> `perf list`, etc.).
> 

Slow down!

One version per 24h in normal cycle, not 13 patchsets in two days! (and
even rarer during the merge window)

Best regards,
Krzysztof



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