Re: [PATCH v2 1/8] perf/x86: add a function to get the lbr stack

From: Andi Kleen
Date: Thu Sep 06 2018 - 23:28:14 EST


> +int perf_get_lbr_stack(struct perf_lbr_stack *stack)
> +{
> + stack->lbr_nr = x86_pmu.lbr_nr;
> + stack->lbr_tos = x86_pmu.lbr_tos;
> + stack->lbr_from = x86_pmu.lbr_from;
> + stack->lbr_to = x86_pmu.lbr_to;
> +
> + if (x86_pmu.intel_cap.lbr_format == LBR_FORMAT_INFO)
> + stack->lbr_info = MSR_LBR_INFO_0;
> + else
> + stack->lbr_info = 0;

Seems weird to export the enum value if the enum isn't exported.
How can it be used?

-Andi