# SDL_GetPerformanceFrequency

Get the count per second of the high resolution counter.

## Header File

Defined in [<SDL3/SDL_timer.h>](https://github.com/libsdl-org/SDL/blob/main/include/SDL3/SDL_timer.h)

## Syntax

```c
Uint64 SDL_GetPerformanceFrequency(void);
```

## Return Value

([Uint64](Uint64)) Returns a platform-specific count per second.

## Thread Safety

It is safe to call this function from any thread.

## Version

This function is available since SDL 3.2.0.

## See Also

- [SDL_GetPerformanceCounter](SDL_GetPerformanceCounter)

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[CategoryAPI](CategoryAPI), [CategoryAPIFunction](CategoryAPIFunction), [CategoryTimer](CategoryTimer)

