[PATCH v3 1/2] riscv: perf: add guest vs host distinction

[Andrew Jones]

On Thu, Sep 12, 2024 at 04:00:29PM GMT, zhouquan at iscas.ac.cn wrote:
> From: Quan Zhou <zhouquan at iscas.ac.cn>
> 
> Introduce basic guest support in perf, enabling it to distinguish
> between PMU interrupts in the host or guest, and collect
> fundamental information.
> 
> Signed-off-by: Quan Zhou <zhouquan at iscas.ac.cn>
> ---
>  arch/riscv/include/asm/perf_event.h |  7 ++++++
>  arch/riscv/kernel/perf_callchain.c  | 38 +++++++++++++++++++++++++++++
>  2 files changed, 45 insertions(+)
>

Reviewed-by: Andrew Jones <ajones at ventanamicro.com>