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 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 SyncUnaryClientRunner(Channel channel, int payloadSize, HistogramParams histogramParams)
{
this.channel = GrpcPreconditions.CheckNotNull(channel);
this.payloadSize = payloadSize;
this.histogram = new Histogram(histogramParams.Resolution, histogramParams.MaxPossible);
this.stoppedCts = new CancellationTokenSource();
this.client = BenchmarkService.NewClient(channel);
this.runnerTask = Task.Factory.StartNew(Run, TaskCreationOptions.LongRunning);
}
public ClientRunnerImpl(List<Channel> channels, ClientType clientType, RpcType rpcType, int outstandingRpcsPerChannel, LoadParams loadParams, PayloadConfig payloadConfig, HistogramParams histogramParams, Func<BasicProfiler> profilerFactory)
{
GrpcPreconditions.CheckArgument(outstandingRpcsPerChannel > 0, "outstandingRpcsPerChannel");
GrpcPreconditions.CheckNotNull(histogramParams, "histogramParams");
this.channels = new List<Channel>(channels);
this.clientType = clientType;
this.rpcType = rpcType;
this.payloadConfig = payloadConfig;
this.histogram = new Histogram(histogramParams.Resolution, histogramParams.MaxPossible);
this.runnerTasks = new List<Task>();
foreach (var channel in this.channels)
{
for (int i = 0; i < outstandingRpcsPerChannel; i++)
{
var timer = CreateTimer(loadParams, 1.0 / this.channels.Count / outstandingRpcsPerChannel);
var optionalProfiler = profilerFactory();
this.runnerTasks.Add(RunClientAsync(channel, timer, optionalProfiler));
}
}
}
public MetricsServiceImpl(Histogram histogram)
{
this.histogram = histogram;
}
public ClientRunnerImpl(List<Channel> channels, ClientType clientType, RpcType rpcType, int outstandingRpcsPerChannel, LoadParams loadParams, PayloadConfig payloadConfig, HistogramParams histogramParams)
{
GrpcPreconditions.CheckArgument(outstandingRpcsPerChannel > 0, "outstandingRpcsPerChannel");
this.channels = new List<Channel>(channels);
this.clientType = clientType;
this.rpcType = rpcType;
this.payloadConfig = payloadConfig;
this.histogram = new Histogram(histogramParams.Resolution, histogramParams.MaxPossible);
this.runnerTasks = new List<Task>();
foreach (var channel in this.channels)
{
for (int i = 0; i < outstandingRpcsPerChannel; i++)
{
var timer = CreateTimer(loadParams, 1.0 / this.channels.Count / outstandingRpcsPerChannel);
var threadBody = GetThreadBody(channel, timer);
this.runnerTasks.Add(Task.Factory.StartNew(threadBody, TaskCreationOptions.LongRunning));
}
}
}
public MetricsServiceImpl(Histogram histogram)
{
this.histogram = histogram;
}