def memory(since=0.0):
    return _VmB('VmSize:') - since
get net string
dataset/ETHPy150Open hycis/Mozi/mozi/utils/check_memory.py/memory--crossover with--dataset/ETHPy150Open kuri65536/python-for-android/python-modules/twisted/twisted/conch/ssh/common.py/getNS