Function bpf_sys::bpf_open_perf_buffer

pub unsafe extern "C" fn bpf_open_perf_buffer(
    raw_cb: perf_reader_raw_cb, 
    lost_cb: perf_reader_lost_cb, 
    cb_cookie: *mut c_void, 
    pid: c_int, 
    cpu: c_int, 
    page_cnt: c_int
) -> *mut c_void