Extern or forward variable declaration at tools/perf/util/build-id.h, line 36 References: tools/perf/builtin-buildid-cache.c, line 209 tools/perf/builtin-buildid-cache.c, line 286 tools/perf/builtin-probe.c, line 374 tools/perf/builtin-probe.c, line 401 tools/perf/builtin-trace.c, line 85 tools/perf/util/build-id.c, line 428 tools/perf/util/build-id.c, line 430 tools/perf/util/build-id.c, line 507 tools/perf/util/build-id.c, line 560 tools/perf/util/build-id.h, line 36 tools/perf/util/build-id.h, line 38 tools/perf/util/build-id.h, line 41 tools/perf/util/machine.c, line 270 tools/perf/util/parse-events.c, line 2109 tools/perf/util/probe-event.c, line 2486 tools/perf/util/probe-event.c, line 2554 tools/perf/util/probe-event.c, line 2633 tools/perf/util/probe-event.c, line 2680 tools/perf/util/probe-event.c, line 2705 tools/perf/util/probe-event.c, line 3134 tools/perf/util/probe-event.c, line 3302 tools/perf/util/probe-file.c, line 141 tools/perf/util/probe-file.c, line 147 tools/perf/util/probe-file.c, line 192 tools/perf/util/probe-file.c, line 195 tools/perf/util/probe-file.c, line 230 tools/perf/util/probe-file.c, line 294 tools/perf/util/probe-file.c, line 296 tools/perf/util/probe-file.c, line 321 tools/perf/util/probe-file.c, line 336 tools/perf/util/probe-file.c, line 964 tools/perf/util/sort.c, line 2709 tools/perf/util/symbol.c, line 1685 tools/perf/util/symbol.c, line 1962 tools/perf/util/symbol.h, line 85 tools/perf/util/symbol.h, line 138 tools/perf/util/symbol.h, line 338 tools/perf/util/thread_map.c, line 202 tools/perf/util/thread_map.c, line 273 tools/perf/util/util.c, line 119 tools/perf/util/util.c, line 122 tools/perf/util/util.c, line 465