internal ContainerMetrics(MetricsSystem ms, ContainerId containerId, long flushPeriodMs , long delayMs) { // Use a multiplier of 1000 to avoid losing too much precision when // converting to integers // This tracks overall CPU percentage of the machine in terms of percentage // of 1 core similar to top // Thus if you use 2 cores completely out of 4 available cores this value // will be 200 // Metrics publishing status // true if period elapsed // true if container finished // unregister // lazily initialized // Create a timer to unregister container metrics, // whose associated thread run as a daemon. this.recordInfo = Interns.Info(SourceName(containerId), RecordInfo.Description()); this.registry = new MetricsRegistry(recordInfo); this.metricsSystem = ms; this.containerId = containerId; this.flushPeriodMs = flushPeriodMs; this.unregisterDelayMs = delayMs < 0 ? 0 : delayMs; ScheduleTimerTaskIfRequired(); this.pMemMBsStat = registry.NewStat(PmemUsageMetricName, "Physical memory stats", "Usage", "MBs", true); this.cpuCoreUsagePercent = registry.NewStat(PhyCpuUsageMetricName, "Physical Cpu core percent usage stats" , "Usage", "Percents", true); this.milliVcoresUsed = registry.NewStat(VcoreUsageMetricName, "1000 times Vcore usage" , "Usage", "MilliVcores", true); this.pMemLimitMbs = registry.NewGauge(PmemLimitMetricName, "Physical memory limit in MBs" , 0); this.vMemLimitMbs = registry.NewGauge(VmemLimitMetricName, "Virtual memory limit in MBs" , 0); this.cpuVcoreLimit = registry.NewGauge(VcoreLimitMetricName, "CPU limit in number of vcores" , 0); }