timing.py 文件源码

def clock():
        """clock() -> floating point number

        Return the *TOTAL USER+SYSTEM* CPU time in seconds since the start of
        the process.  This is done via a call to resource.getrusage, so it
        avoids the wraparound problems in time.clock()."""

        u,s = resource.getrusage(resource.RUSAGE_SELF)[:2]
        return u+s