public Pinger(RingBuffer <PerfEvent> buffer, long maxEvents, long pauseTimeNs)
{
_buffer = buffer;
_maxEvents = maxEvents;
_pauseTimeNs = pauseTimeNs;
_pauseTimeTicks = LatencyTestSession.ConvertNanoToStopwatchTicks(pauseTimeNs);
}
public void Run()
{
_globalSignal.Signal();
_globalSignal.Wait();
Thread.Sleep(1000);
long counter = 0;
while (counter < _maxEvents)
{
var t0 = Stopwatch.GetTimestamp();
_pingQueue.Enqueue(1L);
counter += _pongQueue.Dequeue();
var t1 = Stopwatch.GetTimestamp();
_histogram.RecordValueWithExpectedInterval(LatencyTestSession.ConvertStopwatchTicksToNano(t1 - t0), _pauseTimeInNano);
while (_pauseDurationInStopwatchTicks > (Stopwatch.GetTimestamp() - t1))
{
Thread.Sleep(0);
}
}
_signal.Set();
}
private async Task Run()
{
_globalSignal.Signal();
_globalSignal.Wait();
Thread.Sleep(1000);
long counter = 0;
while (counter < _maxEvents)
{
var t0 = Stopwatch.GetTimestamp();
await _pingChannel.Writer.WriteAsync(new PerfEvent { Value = 1 });
await _pongChannel.Reader.ReadAsync();
var t1 = Stopwatch.GetTimestamp();
counter++;
_histogram.RecordValueWithExpectedInterval(LatencyTestSession.ConvertStopwatchTicksToNano(t1 - t0), _pauseTimeInNano);
while (_pauseDurationInStopwatchTicks > (Stopwatch.GetTimestamp() - t1))
{
Thread.Sleep(0);
}
}
await _pingChannel.Writer.WriteAsync(new PerfEvent { Value = -1 });
}
public QueuePinger(ArrayConcurrentQueue <long> pingQueue, ArrayConcurrentQueue <long> pongQueue, long maxEvents, long pauseTimeInNano)
{
_pingQueue = pingQueue;
_pongQueue = pongQueue;
_maxEvents = maxEvents;
_pauseTimeInNano = pauseTimeInNano;
_pauseDurationInStopwatchTicks = LatencyTestSession.ConvertNanoToStopwatchTicks(pauseTimeInNano);
}
public Pinger(RingBuffer <ValueEvent> buffer, long maxEvents, int pauseDurationInNanos)
{
_buffer = buffer;
_maxEvents = maxEvents;
_pauseDurationInNanos = pauseDurationInNanos;
_pauseDurationInStopwatchTicks = LatencyTestSession.ConvertNanoToStopwatchTicks(pauseDurationInNanos);
}
public QueuePinger(Channel <PerfEvent> pingChannel, Channel <PerfEvent> pongChannel, long maxEvents, long pauseTimeInNano)
{
_pingChannel = pingChannel;
_pongChannel = pongChannel;
_maxEvents = maxEvents;
_pauseTimeInNano = pauseTimeInNano;
_pauseDurationInStopwatchTicks = LatencyTestSession.ConvertNanoToStopwatchTicks(pauseTimeInNano);
}
public void OnEvent(PerfEvent data, long sequence, bool endOfBatch)
{
var t1 = Stopwatch.GetTimestamp();
_histogram.RecordValueWithExpectedInterval(LatencyTestSession.ConvertStopwatchTicksToNano(t1 - _t0), _pauseTimeNs);
if (data.Value < _maxEvents)
{
while (_pauseTimeTicks > (Stopwatch.GetTimestamp() - t1))
{
Thread.Yield();
}
Send();
}
else
{
_signal.Set();
}
}
private static void RunTestForType(Type perfTestType, Options options)
{
var isThroughputTest = typeof(IThroughputTest).IsAssignableFrom(perfTestType);
if (isThroughputTest)
{
var session = new ThroughputTestSession(perfTestType);
session.Run(options);
session.Report(options);
}
var isLatencyTest = typeof(ILatencyTest).IsAssignableFrom(perfTestType);
if (isLatencyTest)
{
var session = new LatencyTestSession(perfTestType);
session.Run(options);
session.Report(options);
}
}
public ValueTask OnBatch(EventBatch <PingPongEvent> batch, long sequence)
{
foreach (var data in batch)
{
var t1 = Stopwatch.GetTimestamp();
_histogram.RecordValueWithExpectedInterval(LatencyTestSession.ConvertStopwatchTicksToNano(t1 - _t0), _pauseTimeNs);
if (data.Counter == _iterations)
{
_completedSignal.Set();
}
else
{
while (_pauseTimeTicks > Stopwatch.GetTimestamp() - t1)
{
Thread.Yield();
}
SendPing();
}
}
return(ValueTask.CompletedTask);
}