event_end
calc_ev_end = event_end(event, end);
skel->links.event_end = bpf_program__attach_raw_tracepoint(skel->progs.event_end,
if (IS_ERR(skel->links.event_end)) {
err = PTR_ERR(skel->links.event_end);
int BPF_PROG(event_end)
.is_end_event = event_end,
.is_end_event = event_end,
.is_end_event = event_end,