perf_evlist__read_format  227 tools/perf/lib/evlist.c 	if (perf_evlist__read_format(evlist) & PERF_FORMAT_GROUP)
perf_evlist__read_format   73 tools/perf/lib/include/internal/evlist.h u64 perf_evlist__read_format(struct perf_evlist *evlist);