// This function is used to dump stat information after SendingStep changed during running.
// It was not used because it will interleave with other dumping.
public void ParseMergedDictionary(
IDictionary <string, long> mergedResult,
double[] percentileList,
long latencyStep,
long latencyMax)
{
_endStat = _curStat;
_curStat = new StatisticDictionary()
{
Time = DateTimeOffset.UtcNow,
Stat = new Dictionary <string, long>(mergedResult)
};
if (mergedResult[SignalRConstants.StatisticsEpoch] > 0)
{
if (mergedResult[SignalRConstants.StatisticsEpoch] != _epoch)
{
if (_prevStat != null)
{
PrintStat(_prevStat, _endStat, percentileList, latencyStep, latencyMax);
}
_prevStat = _curStat;
}
_epoch = mergedResult[SignalRConstants.StatisticsEpoch];
}
}
public static void PrintStat(
StatisticDictionary begin,
StatisticDictionary end,
double[] percentileList,
long latencyStep,
long latencyMax)
{
var elapse = end.Time - begin.Time;
var sentMsgSize = end.Stat[SignalRConstants.StatisticsMessageSentSize] -
begin.Stat[SignalRConstants.StatisticsMessageSentSize];
var recvMsgSize = end.Stat[SignalRConstants.StatisticsMessageReceivedSize] -
begin.Stat[SignalRConstants.StatisticsMessageReceivedSize];
var sent = end.Stat[SignalRConstants.StatisticsMessageSent] -
begin.Stat[SignalRConstants.StatisticsMessageSent];
var recv = end.Stat[SignalRConstants.StatisticsMessageReceived] -
begin.Stat[SignalRConstants.StatisticsMessageReceived];
var connection = end.Stat[SignalRConstants.StatisticsConnectionConnectSuccess];
var sendingStep = end.Stat[SignalRConstants.StatisticsSendingStep];
var sendTputs = sentMsgSize / elapse.TotalSeconds;
var recvTputs = recvMsgSize / elapse.TotalSeconds;
var sendRate = sent / elapse.TotalSeconds;
var recvRate = recv / elapse.TotalSeconds;
Log.Information($"-----------");
Log.Information($" Connection/sendingStep: {connection}/{sendingStep} in {elapse.TotalSeconds}s");
Log.Information($" Messages: requests: {FormatBytesDisplay(sentMsgSize)}, responses: {FormatBytesDisplay(recvMsgSize)}");
Log.Information($" Requests/sec: {FormatDoubleValue(sendRate)}");
Log.Information($" Responses/sec: {FormatDoubleValue(recvRate)}");
Log.Information($" Write throughput: {FormatBytesDisplay(sendTputs)}");
Log.Information($" Read throughput: {FormatBytesDisplay(recvTputs)}");
Log.Information($" Latency:");
foreach (var p in percentileList)
{
var index = FindLatencyLowerBound(end.Stat, p, latencyStep, latencyMax);
if (index == latencyStep + latencyMax)
{
Log.Information($" {p * 100}%: >= 1s");
}
else if (index == latencyStep)
{
Log.Information($" {p * 100}%: < {index} ms");
}
else
{
Log.Information($" {p * 100}%: < {index + latencyStep} ms");
}
}
}