def METHOD_NAME():
    cmds = ["nm --version", "ldd --version", "objdump --version"]
    def checkCmd(cmd):
        try:
            ret = os.system("%s > /dev/null" % cmd)
            if ret != 0:
                return False
        except:
            return False
        return True
    for cmd in cmds:
        if checkCmd(cmd) == False:
            logging.warning(
                "[%s] not exists, function tracer disabled" % (cmd))
            return False
    return True