Re: [Xen-devel] [PATCH 1/2][XTF] xtf/vpmu: Add Intel PMU MSR addresses

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 20.04.17 at 22:40, <mohit.gambhir@xxxxxxxxxx> wrote:
> --- a/arch/x86/include/arch/msr-index.h
> +++ b/arch/x86/include/arch/msr-index.h
> @@ -38,6 +38,17 @@
>  #define MSR_GS_BASE                     0xc0000101
>  #define MSR_SHADOW_GS_BASE              0xc0000102
>  
> +#define MSR_IA32_PMC(n)                 (0x000000c1 + (n))
> +#define MSR_IA32_A_PMC(n)               (0x000004c1 + (n))
> +#define MSR_IA32_PERFEVTSEL(n)          (0x00000186 + (n))
> +#define MSR_IA32_FIXED_CTR(n)           (0x00000309 + (n))
> +#define MSR_IA32_FIXED_CTR_CTRL         0x0000038d
> +#define MSR_IA32_PERF_GLOBAL_CTRL       0x0000038f
> +#define MSR_IA32_PERF_GLOBAL_STATUS     0x0000038e
> +#define MSR_IA32_PERF_GLOBAL_OVF_CTRL   0x00000390
> +#define MSR_IA32_DEBUGCTL               0x000001d9

Imo this should be put in the middle of PMU MSRs.

> +#define MSR_IA32_PERF_CAPABILITIES      0x00000345

Overall I also think it would be nice for things to be sorted in
some way at least inside this block (perhaps numerically).

Jan


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