Re: [PATCH 07/10] perf: Define common uncore capabilities

From: James Clark
Date: Wed Mar 13 2024 - 07:23:24 EST




On 12/03/2024 17:34, Robin Murphy wrote:
> Nearly all uncore/system PMUs share a common set of capbilities,
> so let's wrap those up in a single macro for ease of use.
>
> Signed-off-by: Robin Murphy <robin.murphy@xxxxxxx>
> ---
> include/linux/perf_event.h | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
> index b1fd832ed8bf..5d5db122005b 100644
> --- a/include/linux/perf_event.h
> +++ b/include/linux/perf_event.h
> @@ -293,6 +293,9 @@ struct perf_event_pmu_context;
> #define PERF_PMU_CAP_EXTENDED_HW_TYPE 0x0100
> #define PERF_PMU_CAP_NO_COMMON_EVENTS 0x0200
>
> +#define PERF_PMU_UNCORE_CAPS \
> +(PERF_PMU_CAP_NO_SAMPLING| PERF_PMU_CAP_NO_EXCLUDE | PERF_PMU_CAP_NO_COMMON_EVENTS)
> +

The most minor of nits: missing space before |. There is another one in
another commit that triggers checkpatch but that line gets deleted anyway.

> struct perf_output_handle;
>
> #define PMU_NULL_DEV ((void *)(~0UL))