BloombergFLP.CollectdWin.ReadWindowsPerfCountersPlugin.Read C# (CSharp) Method

        public IList<CollectableValue> Read()
        {
            // Check if it is time to reload the metric config
            // We need to periodially reload the config in case new instances or new categories are available (e.g. due to cluster move)
            if (Util.GetNow() - _lastUpdated >= _reloadInterval)
            {
                Configure();
            }

            var metricValueList = new List<CollectableValue>();
            foreach (Metric metric in _metrics)
            {
                try
                {
                    var vals = new List<double>();
                    foreach (PerformanceCounter ctr in metric.Counters)
                    {
                        double val = ctr.NextValue();
                        val = val * metric.Multiplier;

                        if (metric.DecimalPlaces >= 0)
                            val = Math.Round(val, metric.DecimalPlaces);
                        vals.Add(val);
                    }

                    var metricValue = new MetricValue
                    {
                        HostName = _hostName,
                        PluginName = metric.CollectdPlugin,
                        PluginInstanceName = metric.CollectdPluginInstance,
                        TypeName = metric.CollectdType,
                        TypeInstanceName = metric.CollectdTypeInstance,
                        Values = vals.ToArray(),
                        FriendlyNames = metric.FriendlyNames

                    };

                    metricValue.Epoch = Util.toEpoch(DateTime.UtcNow);

                    metricValueList.Add(metricValue);
                }
                catch (Exception ex)
                {
                    Logger.Warn(string.Format("Failed to collect metric: {0}, {1}, {2}", metric.Category, metric.Instance, metric.CounterName), ex);
                }
            }
            return (metricValueList);
        }