1. 根目录:
2. tools
3. perf
4. arch
5. common.h

#ifndef ARCH_PERF_COMMON_H
#define ARCH_PERF_COMMON_H

#include "../util/env.h"

extern const char *objdump_path;

int perf_env__lookup_objdump(struct perf_env *env);

#endif /* ARCH_PERF_COMMON_H */