hex2u64 57 tools/lib/symbol/kallsyms.c len = hex2u64(line, &start); hex2u64 21 tools/lib/symbol/kallsyms.h int hex2u64(const char *ptr, u64 *long_val); hex2u64 612 tools/perf/util/symbol.c hex2u64(sep + 1, &start); hex2u64 1492 tools/perf/util/symbol.c len = hex2u64(line, &start); hex2u64 1498 tools/perf/util/symbol.c len += hex2u64(line + len, &size);