runtime.py 文件源码

def read_vm_size():
    pid = os.getpid()

    output = None
    try:
        f = open('/proc/{0}/status'.format(os.getpid()))
        output = f.read()
        f.close()
    except Exception:
        return None

    m = VmSizeRe.search(output)
    if m:
        return int(float(m.group(1)))

    return None