evlist__append_tp_filter_pids
err = evlist__append_tp_filter_pids(trace->evlist, nr, pids);
err = evlist__append_tp_filter_pids(trace->evlist, trace->filter_pids.nr,
return evlist__append_tp_filter_pids(evlist, 1, &pid);
int evlist__append_tp_filter_pids(struct evlist *evlist, size_t npids, pid_t *pids);