w&bGddeZy)ceZdZdZdZdZy)VmStatcNtd|_|j|_y)Nz /proc/vmstat)open vmstat_filereadvmstat)selfs ./usr/lib/python3/dist-packages/iotop/vmstat.py__init__zVmStat.__init__s/iik cd}|jD]}|jds||}n|jD]}|jds||}n|jjdfS)Nc@t|jddzS)Ni)intsplit)lines r extractzVmStat.read..extractstzz|A'$. .r zpgpgin zpgpgout )r startswithseek)r rrpgpginpgpgouts r rz VmStat.reads /$$ Dy)   $$ Dz*!$-  a wr c|j}|d|jdz |d|jdz f}||_|S)Nrr)rr)r nowdeltas r rz VmStat.delta*sEiikAQ'Q$++a.)@@  r N)__name__ __module__ __qualname__r rrr r rrs""r rN)objectrrr r r!s(Vr