Provided by: libsdl3-doc_3.2.20+ds-2_all 

NAME
SDL_GetPerformanceFrequency - Get the count per second of the high resolution counter.
SYNOPSIS
#include <SDL3/SDL_timer.h>
Uint64 SDL_GetPerformanceFrequency(void);
RETURN VALUE
Returns a platform-specific count per second.
THREAD SAFETY
It is safe to call this function from any thread.
AVAILABILITY
This function is available since SDL 3.2.0.
SEE ALSO
SDL_GetPerformanceCounter(3)
Simple Directmedia Layer SDL 3.2.20 SDL_GetPerformanceFrequency(3)