perf_evlist__id_hdr_size  216 tools/perf/util/evlist.h u16 perf_evlist__id_hdr_size(struct evlist *evlist);
perf_evlist__id_hdr_size  139 tools/perf/util/session.c 	u16 id_hdr_size = perf_evlist__id_hdr_size(session->evlist);