/// <summary>
/// Renders all alements found in <paramref name="sortedList"/>.
/// Elements are sorted by weight (in descending order).
/// Each element is rendered on a separate line using the following format string: $"[{weight}] {path}.
/// The 'weigth' fragment is padded so that all 'path's are aligned on the left.
/// </summary>
protected static string CollapseDictionaryTimeLogs(ConcurrentBoundedSortedCollection <long, string> sortedList, Func <long, string> weightRenderer)
{
var maxRenderedWeightLength = sortedList.Any()
? sortedList.Max(kvp => weightRenderer(kvp.Key).Length)
: 0;
StringBuilder stringBuilder = new StringBuilder();
foreach (KeyValuePair <long, string> pair in sortedList.Reverse())
{
var renderedWeight = weightRenderer(pair.Key);
var paddedDurationStr = renderedWeight.PadLeft(maxRenderedWeightLength);
stringBuilder.Append(I($"{Environment.NewLine} [{paddedDurationStr}] {pair.Value}"));
}
return(stringBuilder.ToString());
}
/// <summary>
/// Returns an array of json strings containing performance information about top N Pips
/// </summary>
public string[] GenerateTopPipPerformanceInfoJsonArray()
{
var sortedTopPipPerformanceInfo = m_sortedTopPipPerformanceInfo
.Reverse() // Log highest execution time pips first
.Select(a => a.Value)
.ToArray();
if (sortedTopPipPerformanceInfo.Length == 0)
{
return(CollectionUtilities.EmptyArray <string>());
}
// final array of JSON strings to be returned at the end
var jsonResp = new List <string>();
var messageJsonPrefix = "{\"" + JsonPerfArrayPropertyName + "\":[";
var messageJsonSuffix = "]}";
int firstValidElementIndex = 0;
string firstValidElement;
do
{
firstValidElement = SerializePipPerfInfo(sortedTopPipPerformanceInfo[firstValidElementIndex]);
firstValidElementIndex++;
}while (firstValidElement.Length >= m_ariaCharLimit &&
firstValidElementIndex < sortedTopPipPerformanceInfo.Length);
if (firstValidElementIndex == sortedTopPipPerformanceInfo.Length &&
firstValidElement.Length >= m_ariaCharLimit)
{
// All values are larger than the telemetry message size limit
return(CollectionUtilities.EmptyArray <string>());
}
using var sbPool = Pools.GetStringBuilder();
var currentMessage = sbPool.Instance;
currentMessage.Append(messageJsonPrefix)
.Append(firstValidElement);
for (var i = firstValidElementIndex; i < sortedTopPipPerformanceInfo.Length && jsonResp.Count < m_maxNumberOfBatches; i++)
{
var pipPerfJson = SerializePipPerfInfo(sortedTopPipPerformanceInfo[i]);
if (pipPerfJson.Length >= m_ariaCharLimit)
{
// Skip pips with large description
continue;
}
var newMessageLength = currentMessage.Length + 1 + pipPerfJson.Length + messageJsonSuffix.Length;
if (newMessageLength <= m_ariaCharLimit)
{
// continue current batch
currentMessage.Append(",").Append(pipPerfJson);
}
else
{
// finish the current batch and start a new one
currentMessage.Append(messageJsonSuffix);
jsonResp.Add(currentMessage.ToString());
currentMessage.Clear();
currentMessage.Append(messageJsonPrefix).Append(pipPerfJson);
}
}
if (jsonResp.Count < m_maxNumberOfBatches)
{
currentMessage.Append(messageJsonSuffix);
jsonResp.Add(currentMessage.ToString());
}
return(jsonResp.ToArray());
}