kallsyms2elf_type 23 tools/lib/symbol/kallsyms.h u8 kallsyms2elf_type(char type); kallsyms2elf_type 683 tools/perf/util/symbol.c sym = symbol__new(start, 0, kallsyms2elf_binding(type), kallsyms2elf_type(type), name);