Provided by: libsdl3-doc_3.2.8+ds-1_all 

NAME
SDL_GetPerformanceFrequency - Get the count per second of the high resolution counter.
HEADER FILE
Defined in SDL3/SDL_timer.h
SYNOPSIS
#include "SDL3/SDL.h" Uint64 SDL_GetPerformanceFrequency(void);
RETURN VALUE
( Uint64 ) 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
•(3), SDL_GetPerformanceCounter(3) Simple Directmedia Layer SDL 3.2.8 SDL_GetPerformanceFrequency(3)