[PATCH v7 7/9] perf: arm64: Add test for userspace counter access on heterogeneous systems

[nakamura.shun at fujitsu.com]

Hi Rob

> Userspace counter access only works on heterogeneous systems with some
> restrictions. The userspace process must be pinned to a homogeneous
> subset of CPUs and must open the corresponding PMU for those CPUs. This
> commit adds a test implementing these requirements.

Are you planning to change x86 tests (tools/perf/arch/x86/tests/rdpmc.c) 
to use libperf as well?

Best Regards
Shunsuke