[PATCH v3 2/4] RISC-V: Support CPUID for risc-v in perf

Will Deacon will at kernel.org
Thu Jun 9 06:54:11 PDT 2022


On Tue, Jun 07, 2022 at 04:16:45PM +0300, Nikita Shubin wrote:
> From: João Mário Domingos <joao.mario at tecnico.ulisboa.pt>
> 
> This patch creates the header.c file for the risc-v architecture and introduces support for
> PMU identification through sysfs.
> It is now possible to configure pmu-events in risc-v.
> 
> Depends on patch [1], that introduces the id sysfs file.
> 
> Signed-off-by: João Mário Domingos <joao.mario at tecnico.ulisboa.pt>
> [Nikita: replaced soc:pmu to riscv-pmu/id]
> Signed-off-by: Nikita Shubin <n.shubin at yadro.com>
> Tested-by: Nikita Shubin <n.shubin at yadro.com>
> ---
> v2->v3:
> - Change 'soc/soc:pmu/id' to 'riscv-pmu/id'
> ---
>  drivers/perf/riscv_pmu.c            | 18 ++++++++
>  tools/perf/arch/riscv/util/Build    |  1 +
>  tools/perf/arch/riscv/util/header.c | 66 +++++++++++++++++++++++++++++

You will need to separate out the kernel changes from the tooling changes in
order to get this merged.

Thanks,

Will



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