Re: [PATCH v2 2/3] perf/x86/rapl: Support multiple rapl unit quirks

[Joe Perches]

On Tue, 2020-08-11 at 23:31 +0800, Zhang Rui wrote:
> There will be more platforms with different fixed energy units.
> Enhance the code to support different rapl unit quirks for different
> platforms.

This seems like one quirk per platform.

Should multiple quirks on individual platforms be supported?

> diff --git a/arch/x86/events/rapl.c b/arch/x86/events/rapl.c
[]
> @@ -130,11 +130,16 @@ struct rapl_pmus {
>  	struct rapl_pmu		*pmus[];
>  };
>  
> +enum rapl_unit_quirk {
> +	RAPL_UNIT_QUIRK_NONE,
> +	RAPL_UNIT_QUIRK_INTEL_HSW,
> +};
> +
>  struct rapl_model {
>  	struct perf_msr *rapl_msrs;
>  	unsigned long	events;
>  	unsigned int	msr_power_unit;
> -	bool		apply_quirk;
> +	enum rapl_unit_quirk	unit_quirk;
>  };