On Tue, Apr 09, 2019 at 08:22:17PM +0100, Andrew Murray wrote:
> The interaction between the exclude_{host,guest} flags,
> exclude_{user,kernel,hv} flags and presence of VHE can result in
> different exception levels being filtered by the ARMv8 PMU. As this
> can be confusing let's document how they work on arm64.
>
> Signed-off-by: Andrew Murray <andrew.murray@xxxxxxx>
> ---
> Documentation/arm64/perf.txt | 85 ++++++++++++++++++++++++++++++++++++
> 1 file changed, 85 insertions(+)
> create mode 100644 Documentation/arm64/perf.txt
Thanks! Hopefully I no longer have to try (and fail) to figure out these
semantics from the code anymore...
Acked-by: Will Deacon <will.deacon@xxxxxxx>
Will
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