ref: 2604bc360347176323dd6706362186b97c49662c
parent: 19a8f66eecda455b56c6c07bd1ce75be8d2cbb82
author: cinap_lenrek <cinap_lenrek@felloff.net>
date: Sat Sep 20 14:06:59 EDT 2014
stats: handle /dev/sysstat 32bit overflow in delta calculation the numbers from /dev/sysstat overflow on 32bit, so have to do subtraction modulo 2^32 as we calculate with 64bit integers. thanks mischief for reporting this.