func calculateCPUPercentUnix(previousCPU, previousSystem uint64, v *types.StatsJSON) float64 { var ( cpuPercent = 0.0 // calculate the change for the cpu usage of the container in between readings cpuDelta = float64(v.CPUStats.CPUUsage.TotalUsage) - float64(previousCPU) // calculate the change for the entire system between readings systemDelta = float64(v.CPUStats.SystemUsage) - float64(previousSystem) onlineCPUs = float64(v.CPUStats.OnlineCPUs) ) if onlineCPUs == 0.0 { onlineCPUs = float64(len(v.CPUStats.CPUUsage.PercpuUsage)) } if systemDelta > 0.0 && cpuDelta > 0.0 { cpuPercent = (cpuDelta / systemDelta) * onlineCPUs * 100.0 } return cpuPercent }

func calculateMemUsageUnixNoCache(mem types.MemoryStats) float64 { // cgroup v1 if v, isCgroup1 := mem.Stats["total_inactive_file"]; isCgroup1 && v < mem.Usage { return float64(mem.Usage - v) } // cgroup v2 if v := mem.Stats["inactive_file"]; v < mem.Usage { return float64(mem.Usage - v) } return float64(mem.Usage) }