/// <summary>
/// Observes a single event with the given value.
/// </summary>
/// <param name="val">The Value.</param>
public void Observe(double val)
{
histogram.Observe(val);
// AppInsights might not be on and the metric could be null
appInsightsMetric?.TrackValue(val);
}
public void ManyBuckets_Observe()
{
for (var i = 0; i < _opIterations; i++)
{
_histogramManyBuckets.Observe(i);
}
}
public void Observe()
{
for (var i = 0; i < _opIterations; i++)
{
_histogramDefaultBuckets.Observe(i);
}
}
public static async Task <T> Measure <T>(Func <Task <T> > action, IHistogram metric, ICounter errorCounter = null)
{
var stopwatch = new Stopwatch();
stopwatch.Start();
T result;
try
{
result = await action();
}
catch (Exception)
{
errorCounter?.Inc();
throw;
}
finally
{
stopwatch.Stop();
metric.Observe(stopwatch.ElapsedTicks / (double)Stopwatch.Frequency);
}
return(result);
}
protected override void Dispose(bool disposing)
{
if (disposing)
{
histogram.Observe(useTicks ? watch.ElapsedTicks : watch.ElapsedMilliseconds);
}
base.Dispose(disposing);
}
public void Observe()
{
noLabel.Observe(2);
Assert.Equal(1, noLabel.Count());
Assert.Equal(2, noLabel.Sum());
Assert.Equal(0, noLabel.BucketValue(1));
Assert.Equal(1, noLabel.BucketValue(2.5));
noLabel.WithLabels().Observe(4);
Assert.Equal(2, noLabel.Count());
Assert.Equal(6, noLabel.Sum());
Assert.Equal(0, noLabel.BucketValue(1));
Assert.Equal(1, noLabel.BucketValue(2.5));
Assert.Equal(2, noLabel.BucketValue(5));
Assert.Equal(2, noLabel.BucketValue(7.5));
Assert.Equal(2, noLabel.BucketValue(10));
Assert.Equal(2, noLabel.BucketValue(double.PositiveInfinity));
}
public static void Observe(this IHistogram observer, double val, DateTimeOffset timestamp)
{
observer.Observe(val, timestamp.ToUnixTimeMilliseconds());
}
