dso__kernel_module_get_build_id  251 tools/perf/util/dso.h int dso__kernel_module_get_build_id(struct dso *dso, const char *root_dir);
dso__kernel_module_get_build_id 1278 tools/perf/util/machine.c 	dso__kernel_module_get_build_id(map->dso, "");
dso__kernel_module_get_build_id 1387 tools/perf/util/machine.c 	dso__kernel_module_get_build_id(map->dso, machine->root_dir);