[PATCH v23 0/4] arm64/perf: Enable branch stack sampling

[Will Deacon]

On Wed, 11 Jun 2025 13:01:10 -0500, Rob Herring (Arm) wrote:
> This series enables perf branch stack sampling support on arm64 via a
> v9.2 arch feature called Branch Record Buffer Extension (BRBE). Details
> on BRBE can be found in the Arm ARM[1] chapter D18.
> 
> I've picked up this series from Anshuman. v19 and later versions have
> been reworked quite a bit by Mark and myself. The bulk of those changes
> are in patch 5.
> 
> [...]

Applied to will (for-next/perf), thanks!

[1/4] arm64/sysreg: Add BRBE registers and fields
      https://git.kernel.org/will/c/52e4a56ab8b8
[2/4] arm64: Handle BRBE booting requirements
      https://git.kernel.org/will/c/ae344bcb0d49
[3/4] KVM: arm64: nvhe: Disable branch generation in nVHE guests
      https://git.kernel.org/will/c/d7567e9b9ba5
[4/4] perf: arm_pmuv3: Add support for the Branch Record Buffer Extension (BRBE)
      https://git.kernel.org/will/c/58074a0fce66

Cheers,
-- 
Will

https://fixes.arm64.dev
https://next.arm64.dev
https://will.arm64.dev