Function rebpf_sys::libbpf_sys::bpf_perf_event_read_simple

pub unsafe extern "C" fn bpf_perf_event_read_simple(
    mmap_mem: *mut c_void, 
    mmap_size: size_t, 
    page_size: size_t, 
    copy_mem: *mut *mut c_void, 
    copy_size: *mut size_t, 
    fn_: bpf_perf_event_print_t, 
    private_data: *mut c_void
) -> bpf_perf_event_ret