evlist__poll
err = evlist__poll(kvm->evlist, 100);
if (!(evlist__poll(evsel_list, time_to_sleep) > 0)) { /* poll timeout or EINTR */
evlist__poll(top->evlist, 100);
ret = evlist__poll(top->evlist, 100);
if (!draining && evlist__poll(evlist, timeout) > 0) {
evlist__poll(evlist, 10);
evlist__poll(evlist, -1);
evlist__poll(evlist, -1);
int evlist__poll(struct evlist *evlist, int timeout);
n = evlist__poll(evlist, timeout);
evlist__poll(evlist, 1000);