Extern or forward variable declaration at tools/perf/util/thread.h, line 65 References: tools/perf/builtin-inject.c, line 824 tools/perf/builtin-inject.c, line 890 tools/perf/builtin-kvm.c, line 1087 tools/perf/builtin-kvm.c, line 1391 tools/perf/builtin-lock.c, line 1024 tools/perf/builtin-report.c, line 1176 tools/perf/builtin-sched.c, line 3426 tools/perf/builtin-script.c, line 2483 tools/perf/builtin-script.c, line 2484 tools/perf/builtin-script.c, line 2738 tools/perf/builtin-script.c, line 3733 tools/perf/builtin-trace.c, line 4255 tools/perf/util/event.c, line 166 tools/perf/util/event.c, line 167 tools/perf/util/event.c, line 170 tools/perf/util/event.c, line 171 tools/perf/util/machine.c, line 665 tools/perf/util/machine.c, line 666 tools/perf/util/machine.c, line 669 tools/perf/util/machine.c, line 673 tools/perf/util/machine.c, line 681 tools/perf/util/session.c, line 495 tools/perf/util/session.c, line 496 tools/perf/util/session.c, line 728 tools/perf/util/session.c, line 728 tools/perf/util/session.c, line 729 tools/perf/util/session.c, line 729 tools/perf/util/session.c, line 730 tools/perf/util/session.c, line 730 tools/perf/util/session.c, line 732 tools/perf/util/session.c, line 733 tools/perf/util/session.c, line 740 tools/perf/util/session.c, line 1546 tools/perf/util/thread.c, line 83 tools/perf/util/thread.c, line 83 tools/perf/util/thread.c, line 95 tools/perf/util/thread.c, line 97 tools/perf/util/thread.c, line 98 tools/perf/util/thread.c, line 154 tools/perf/util/thread.c, line 159 tools/perf/util/thread.c, line 162 tools/perf/util/thread.c, line 164 tools/perf/util/thread.c, line 176 tools/perf/util/thread.h, line 65 tools/perf/util/thread.h, line 88