Extern or forward variable declaration at tools/perf/util/util.h, line 288 References: tools/perf/builtin-record.c, line 80 tools/perf/perf.c, line 514 tools/perf/util/auxtrace.c, line 107 tools/perf/util/auxtrace.c, line 775 tools/perf/util/evlist.c, line 678 tools/perf/util/evlist.c, line 993 tools/perf/util/evlist.c, line 996 tools/perf/util/evlist.c, line 1002 tools/perf/util/evlist.c, line 1023 tools/perf/util/evlist.c, line 1023 tools/perf/util/evlist.c, line 1040 tools/perf/util/evlist.c, line 1054 tools/perf/util/evlist.c, line 1055 tools/perf/util/evlist.c, line 1110 tools/perf/util/python.c, line 1044 tools/perf/util/session.c, line 1579 tools/perf/util/session.c, line 1579 tools/perf/util/session.c, line 1630 tools/perf/util/session.c, line 1630 tools/perf/util/symbol-elf.c, line 1199 tools/perf/util/symbol-elf.c, line 1211 tools/perf/util/symbol-elf.c, line 1355 tools/perf/util/symbol-elf.c, line 1508 tools/perf/util/symbol-elf.c, line 1510 tools/perf/util/symbol-elf.c, line 1513 tools/perf/util/symbol-elf.c, line 1515 tools/perf/util/symbol-elf.c, line 1516 tools/perf/util/symbol-elf.c, line 1519 tools/perf/util/symbol-elf.c, line 1523 tools/perf/util/symbol-elf.c, line 1524 tools/perf/util/symbol-elf.c, line 1565 tools/perf/util/symbol-elf.c, line 1566 tools/perf/util/symbol-elf.c, line 1572 tools/perf/util/symbol-elf.c, line 1658 tools/perf/util/symbol-elf.c, line 1741 tools/perf/util/trace-event-info.c, line 477 tools/perf/util/util.c, line 29 tools/perf/util/util.c, line 151 tools/perf/util/util.h, line 288