Extern or forward variable declaration at tools/perf/util/stat.h, line 112 References: tools/perf/builtin-kvm.c, line 1007 tools/perf/builtin-kvm.c, line 1280 tools/perf/builtin-kvm.c, line 1282 tools/perf/builtin-sched.c, line 2875 tools/perf/builtin-sched.c, line 2917 tools/perf/builtin-script.c, line 1503 tools/perf/builtin-script.c, line 1825 tools/perf/builtin-script.c, line 1828 tools/perf/builtin-script.c, line 2114 tools/perf/builtin-script.c, line 2958 tools/perf/builtin-stat.c, line 134 tools/perf/builtin-trace.c, line 83 tools/perf/builtin-trace.c, line 1148 tools/perf/builtin-trace.c, line 2171 tools/perf/builtin-trace.c, line 2240 tools/perf/builtin-trace.c, line 2337 tools/perf/builtin-trace.c, line 2881 tools/perf/util/kvm-stat.h, line 76 tools/perf/util/session.c, line 215 tools/perf/util/session.c, line 224 tools/perf/util/session.c, line 1016 tools/perf/util/session.c, line 1065 tools/perf/util/session.c, line 1178 tools/perf/util/session.c, line 1201 tools/perf/util/session.c, line 1222 tools/perf/util/session.c, line 1247 tools/perf/util/session.c, line 1417 tools/perf/util/session.c, line 1495 tools/perf/util/session.c, line 2145 tools/perf/util/session.c, line 2181 tools/perf/util/sort.c, line 2208 tools/perf/util/sort.c, line 2279 tools/perf/util/sort.c, line 2296 tools/perf/util/sort.c, line 2318 tools/perf/util/sort.c, line 2462 tools/perf/util/sort.c, line 2558 tools/perf/util/sort.c, line 2604 tools/perf/util/sort.c, line 2638 tools/perf/util/sort.c, line 2699 tools/perf/util/sort.c, line 2952 tools/perf/util/stat-shadow.c, line 300 tools/perf/util/stat-shadow.c, line 313 tools/perf/util/stat.c, line 170 tools/perf/util/stat.c, line 186 tools/perf/util/stat.c, line 197 tools/perf/util/stat.h, line 112 tools/perf/util/stat.h, line 157 tools/perf/util/stat.h, line 159 tools/perf/util/stat.h, line 160 tools/perf/util/stat.h, line 161