sysfs__read_build_id  560 tools/perf/util/symbol-elf.c int sysfs__read_build_id(const char *filename, void *build_id, size_t size)
sysfs__read_build_id  223 tools/perf/util/symbol-minimal.c int sysfs__read_build_id(const char *filename, void *build_id, size_t size)