Re: [PATCH v3 0/10] libperf and arm64 userspace counter access support

Jiri Olsa
2020-09-12T20:53:32Z

On Fri, Sep 11, 2020 at 03:51:08PM -0600, Rob Herring wrote:
> This is resurrecting Raphael's series[1] to enable userspace counter
> access on arm64. My previous versions are here[2][3].
>
> Changes in v3:
> - Dropped removing x86 rdpmc test until libperf tests can run via 'perf test'
> - Added verbose prints for tests
> - Split adding perf_evsel__mmap() to separate patch

hi,
which commit/branch did you base on? I can't apply arm bits:

Applying: arm64: pmu: Add hook to handle pmu-related undefined instructions
Applying: arm64: perf: Enable pmu counter direct access for perf event on armv8
error: patch failed: arch/arm64/kernel/perf_event.c:836
error: arch/arm64/kernel/perf_event.c: patch does not apply
Patch failed at 0002 arm64: perf: Enable pmu counter direct access for perf event on armv8

thanks,
jirka