public static IEnumerable <PerformanceData> GetResults()
{
var timingGroups = _timingLookupInstance.Values.SelectMany(lookup => lookup.Values).GroupBy(meas => meas.Name);
foreach (var timingGroup in timingGroups)
{
PerformanceData data = new PerformanceData(timingGroup.Key);
data.Count = timingGroup.Sum(meas => meas.Count);
data.Average = timingGroup.Average(meas => meas.Average);
data.Min = timingGroup.Min(meas => meas.Average);
data.Max = timingGroup.Max(meas => meas.Average);
yield return(data);
}
}
/// <summary>
/// Records a response time in milliseconds for the given name.
/// </summary>
/// <param name="name"></param>
/// <param name="milliseconds"></param>
public static void Add(string name, long milliseconds)
{
Dictionary <string, PerformanceData> lookup = _timingLookupInstance.Value;
PerformanceData data;
if (!lookup.TryGetValue(name, out data))
{
data = new PerformanceData(name);
lookup.Add(name, data);
}
if (data.Count == 0)
{
data.Average = milliseconds;
data.Min = milliseconds;
data.Max = milliseconds;
data.Count++;
}
else
{
// calculate average
data.Average = ((data.Average * data.Count) + milliseconds) / (data.Count + 1);
// check min
if (milliseconds < data.Min)
{
data.Min = milliseconds;
}
// check max
if (milliseconds > data.Max)
{
data.Max = milliseconds;
}
data.Count++;
}
}