[PATCH] eal: provide trace point register macro for MSVC

Thomas Monjalon thomas at monjalon.net
Mon Nov 6 17:40:12 CET 2023


01/11/2023 23:47, Tyler Retzlaff:
> Provide an alternate RTE_TRACE_POINT_REGISTER macro when building with
> MSVC that allocates segments for the trace point using MSVC specific
> features

Please could you elaborate what is the improvement?

> +#define RTE_TRACE_POINT_REGISTER(trace, name) \
> +rte_trace_point_t \
> +__pragma(data_seg("__rte_trace_point")) \
> +__declspec(allocate("__rte_trace_point")) \
> +__##trace; \
> +static const char __##trace##_name[] = RTE_STR(name); \
> +RTE_INIT(trace##_init) \
> +{ \
> +	__rte_trace_point_register(&__##trace, __##trace##_name, \
> +		(void (*)(void)) trace); \
> +}





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