SDL_GetPerformanceCounter - Man Page

#include <SDL3/SDL_timer.h>

Uint64 SDL_GetPerformanceCounter(void);

This function is typically used for profiling.

The counter values are only meaningful relative to each other. Differences between values can be converted to times by using SDL_GetPerformanceFrequency().

Returns the current counter value.

It is safe to call this function from any thread.

This function is available since SDL 3.2.0.

SDL_GetPerformanceFrequency(3)

SDL_GetPerformanceFrequency(3).