long GetQpsAndReset()
{
var snapshot = histogram.GetSnapshot(true);
var timeSnapshot = timeStats.GetSnapshot(true);
return((long)(snapshot.Count / timeSnapshot.WallClockTime.TotalSeconds));
}
long GetQpsAndReset()
{
var snapshot = histogram.GetSnapshot(true);
var elapsedSnapshot = wallClockStopwatch.GetElapsedSnapshot(true);
return((long)(snapshot.Count / elapsedSnapshot.TotalSeconds));
}
public void ExtremeObservations()
{
var hist = new Histogram(0.01, 60e9);
hist.AddObservation(-0.5); // should be in the first bucket
hist.AddObservation(1e12); // should be in the last bucket
var data = hist.GetSnapshot();
Assert.AreEqual(1, data.Bucket[0]);
Assert.AreEqual(1, data.Bucket[data.Bucket.Count - 1]);
}
public void ExtremeObservations()
{
var hist = new Histogram(0.01, 60e9);
hist.AddObservation(-0.5); // should be in the first bucket
hist.AddObservation(1e12); // should be in the last bucket
var data = hist.GetSnapshot();
Assert.AreEqual(1, data.Bucket[0]);
Assert.AreEqual(1, data.Bucket[data.Bucket.Count - 1]);
}
public void Reset()
{
var hist = new Histogram(0.01, 60e9);
hist.AddObservation(10000);
hist.AddObservation(11000);
var data = hist.GetSnapshot(true); // snapshot contains data before reset
Assert.AreEqual(2, data.Count);
Assert.AreEqual(10000, data.MinSeen);
Assert.AreEqual(11000, data.MaxSeen);
data = hist.GetSnapshot(); // snapshot contains state after reset
Assert.AreEqual(0, data.Count);
Assert.AreEqual(double.PositiveInfinity, data.MinSeen);
Assert.AreEqual(double.NegativeInfinity, data.MaxSeen);
Assert.AreEqual(0, data.Sum);
Assert.AreEqual(0, data.SumOfSquares);
CollectionAssert.AreEqual(new uint[data.Bucket.Count], data.Bucket);
}
public ClientStats GetStats(bool reset)
{
var histogramData = histogram.GetSnapshot(reset);
var secondsElapsed = wallClockStopwatch.GetElapsedSnapshot(reset).TotalSeconds;
// TODO: populate user time and system time
return(new ClientStats
{
Latencies = histogramData,
TimeElapsed = secondsElapsed,
TimeUser = 0,
TimeSystem = 0
});
}
public void Simple()
{
var hist = new Histogram(0.01, 60e9);
hist.AddObservation(10000);
hist.AddObservation(10000);
hist.AddObservation(11000);
hist.AddObservation(11000);
var data = hist.GetSnapshot();
Assert.AreEqual(4, data.Count);
Assert.AreEqual(42000.0, data.Sum, 1e-6);
Assert.AreEqual(10000, data.MinSeen);
Assert.AreEqual(11000, data.MaxSeen);
Assert.AreEqual(2.0*10000*10000 + 2.0*11000*11000, data.SumOfSquares, 1e-6);
// 1.01^925 < 10000 < 1.01^926
Assert.AreEqual(2, data.Bucket[925]);
Assert.AreEqual(2, data.Bucket[935]);
}
public void Simple()
{
var hist = new Histogram(0.01, 60e9);
hist.AddObservation(10000);
hist.AddObservation(10000);
hist.AddObservation(11000);
hist.AddObservation(11000);
var data = hist.GetSnapshot();
Assert.AreEqual(4, data.Count);
Assert.AreEqual(42000.0, data.Sum, 1e-6);
Assert.AreEqual(10000, data.MinSeen);
Assert.AreEqual(11000, data.MaxSeen);
Assert.AreEqual(2.0 * 10000 * 10000 + 2.0 * 11000 * 11000, data.SumOfSquares, 1e-6);
// 1.01^925 < 10000 < 1.01^926
Assert.AreEqual(2, data.Bucket[925]);
Assert.AreEqual(2, data.Bucket[935]);
}
public ClientStats GetStats(bool reset)
{
var histogramData = histogram.GetSnapshot(reset);
var secondsElapsed = wallClockStopwatch.GetElapsedSnapshot(reset).TotalSeconds;
if (reset)
{
statsResetCount.Increment();
}
GrpcEnvironment.Logger.Info("[ClientRunnerImpl.GetStats] GC collection counts: gen0 {0}, gen1 {1}, gen2 {2}, gen3 {3} (histogram reset count:{4}, seconds since reset: {5})",
GC.CollectionCount(0), GC.CollectionCount(1), GC.CollectionCount(2), GC.CollectionCount(3), statsResetCount.Count, secondsElapsed);
// TODO: populate user time and system time
return(new ClientStats
{
Latencies = histogramData,
TimeElapsed = secondsElapsed,
TimeUser = 0,
TimeSystem = 0
});
}
public void MergeSnapshots()
{
var data = new HistogramData();
var hist1 = new Histogram(0.01, 60e9);
hist1.AddObservation(-0.5); // should be in the first bucket
hist1.AddObservation(1e12); // should be in the last bucket
hist1.GetSnapshot(data, false);
var hist2 = new Histogram(0.01, 60e9);
hist2.AddObservation(10000);
hist2.AddObservation(11000);
hist2.GetSnapshot(data, false);
Assert.AreEqual(4, data.Count);
Assert.AreEqual(-0.5, data.MinSeen);
Assert.AreEqual(1e12, data.MaxSeen);
Assert.AreEqual(1, data.Bucket[0]);
Assert.AreEqual(1, data.Bucket[925]);
Assert.AreEqual(1, data.Bucket[935]);
Assert.AreEqual(1, data.Bucket[data.Bucket.Count - 1]);
}
public void Reset()
{
var hist = new Histogram(0.01, 60e9);
hist.AddObservation(10000);
hist.AddObservation(11000);
var data = hist.GetSnapshot(true); // snapshot contains data before reset
Assert.AreEqual(2, data.Count);
Assert.AreEqual(10000, data.MinSeen);
Assert.AreEqual(11000, data.MaxSeen);
data = hist.GetSnapshot(); // snapshot contains state after reset
Assert.AreEqual(0, data.Count);
Assert.AreEqual(double.PositiveInfinity, data.MinSeen);
Assert.AreEqual(double.NegativeInfinity, data.MaxSeen);
Assert.AreEqual(0, data.Sum);
Assert.AreEqual(0, data.SumOfSquares);
CollectionAssert.AreEqual(new uint[data.Bucket.Count], data.Bucket);
}