Function FMOD_System_GetCPUUsage 

pub unsafe extern "C" fn FMOD_System_GetCPUUsage(
    system: *mut FMOD_SYSTEM,
    dsp: *mut f32,
    stream: *mut f32,
    geometry: *mut f32,
    update: *mut f32,
    total: *mut f32,
) -> FMOD_RESULT