perf_evlist__add_pollfd
if (perf_evlist__add_pollfd(evlist, fd, map, revent, flgs) < 0) {
int perf_evlist__add_pollfd(struct perf_evlist *evlist, int fd,
evlist->ctl_fd.pos = perf_evlist__add_pollfd(&evlist->core, fd, NULL, POLLIN,
eet->pollfd_pos = perf_evlist__add_pollfd(&evlist->core, eet->timerfd, NULL, POLLIN, flags);
return perf_evlist__add_pollfd(&evlist->core, fd, NULL, POLLIN, fdarray_flag__default);
return perf_evlist__add_pollfd(&evlist->core, fd, NULL, POLLIN,