PERF_EVLIST__HLIST_SIZE 26 tools/perf/lib/evlist.c for (i = 0; i < PERF_EVLIST__HLIST_SIZE; ++i) PERF_EVLIST__HLIST_SIZE 24 tools/perf/lib/include/internal/evlist.h struct hlist_head heads[PERF_EVLIST__HLIST_SIZE];