Re: [PATCH V4 0/7] arm64/perf: Enable branch stack sampling

[Anshuman Khandual]

On 10/17/22 11:27, Anshuman Khandual wrote:
> This series enables perf branch stack sampling support on arm64 platform
> via a new arch feature called Branch Record Buffer Extension (BRBE). All
> relevant register definitions could be accessed here.
> 
> https://developer.arm.com/documentation/ddi0601/2021-12/AArch64-Registers
> 
> This series applies on v6.1-rc1.
> 
> Changes in V4:
> 
> - Changed ../tools/sysreg declarations as suggested
> - Set PERF_SAMPLE_BRANCH_STACK in data.sample_flags
> - Dropped perfmon_capable() check in armpmu_event_init()
> - s/pr_warn_once/pr_info in armpmu_event_init()
> - Added brbe_format element into struct pmu_hw_events
> - Changed v1p1 as brbe_v1p1 in struct pmu_hw_events
> - Dropped pr_info() from arm64_pmu_brbe_probe(), solved LOCKDEP warning

Folks,

Gentle ping, any updates on this series ?