evlist__initialize_ctlfd
if (evlist__initialize_ctlfd(evlist, opts->ctl_fd, opts->ctl_fd_ack))
if (evlist__initialize_ctlfd(evsel_list, stat_config.ctl_fd, stat_config.ctl_fd_ack))
int evlist__initialize_ctlfd(struct evlist *evlist, int ctl_fd, int ctl_fd_ack);