public void GetCounterSamples_ReturnsExpectedSampleCount()
{
var reader = new PerfmonCounterReader();
using (var cancellationTokenSource = new CancellationTokenSource())
{
Assert.Single(reader.GetCounterSamples(new[] { @"\processor(_total)\% processor time" }, TimeSpan.FromSeconds(1), 1, cancellationTokenSource.Token)
.SelectMany(set => set.CounterSamples));
}
}
public void GetCounterSamples_ReturnsExpectedSampleCount()
{
var reader = new PerfmonCounterReader();
using (var cancellationTokenSource = new CancellationTokenSource())
{
Assert.Single(reader.GetCounterSamples(new[] { @"\processor(_total)\% processor time" }, TimeSpan.FromSeconds(1), 1, cancellationTokenSource.Token)
.SelectMany(set => set.CounterSamples));
}
}
public void GetCounterSamples_IsCancellable()
{
var reader = new PerfmonCounterReader();
using (var cancellationTokenSource = new CancellationTokenSource())
{
List<PerformanceCounterSampleSet> sampleSets = new List<PerformanceCounterSampleSet>();
foreach (var sampleSet in reader.GetCounterSamples(TimeSpan.FromSeconds(5), 20, cancellationTokenSource.Token))
{
sampleSets.Add(sampleSet);
cancellationTokenSource.Cancel();
}
Assert.Single(sampleSets);
}
}
public void GetCounterSamples_IsCancellable()
{
var reader = new PerfmonCounterReader();
using (var cancellationTokenSource = new CancellationTokenSource())
{
List <PerformanceCounterSampleSet> sampleSets = new List <PerformanceCounterSampleSet>();
foreach (var sampleSet in reader.GetCounterSamples(TimeSpan.FromSeconds(5), 20, cancellationTokenSource.Token))
{
sampleSets.Add(sampleSet);
cancellationTokenSource.Cancel();
}
Assert.Single(sampleSets);
}
}
public Task CreateContinuousTask(CancellationToken cancellationToken)
{
return(new Task(() =>
{
var reader = new PerfmonCounterReader();
using (var messenger = new UdpMessenger(_metricPublishingConfig.HostName, _metricPublishingConfig.Port))
{
foreach (var metricBatch in reader.StreamCounterSamples(_counterPaths, _counterSamplingConfig.SampleInterval, cancellationToken)
.SelectMany(set => set.CounterSamples.ToGraphiteString(_metricPublishingConfig.PrefixKey))
.Chunk(10))
{
messenger.SendMetrics(metricBatch);
}
}
}, cancellationToken));
}
public Task CreateContinuousTask(CancellationToken cancellationToken)
{
return(new Task(() =>
{
var reader = new PerfmonCounterReader();
using (var messenger = new MetricClient(_metricPublishingConfig))
{
foreach (var metricBatch in reader.StreamCounterSamples(_counterPaths, _counterSamplingConfig.SampleInterval, cancellationToken)
.SelectMany(set => set.CounterSamples.ToMetrics(_counterSamplingConfig.AddInstanceNameToMetrics))
.Chunk(10))
{
messenger.Send(metricBatch);
}
}
}, cancellationToken));
}
public void GetCounterSamples_ProcessorTime_HasReasonableValues(string counter, PerformanceCounterType counterType, double minValue, double maxValue, string instanceName, ulong timeBase)
{
var reader = new PerfmonCounterReader();
using (var cancellationTokenSource = new CancellationTokenSource())
{
var sample = reader.GetCounterSamples(new[] { counter }, TimeSpan.FromSeconds(1), 1, cancellationTokenSource.Token)
.SelectMany(set => set.CounterSamples)
.First();
//TODO: this is bad form - replace with an object comparer
Assert.Equal(counterType, sample.CounterType);
Assert.InRange(sample.CookedValue, minValue, maxValue);
Assert.Equal(instanceName, sample.InstanceName);
Assert.Equal(timeBase, sample.TimeBase);
Assert.True(sample.Path.ToLower().EndsWith(counter.ToLower()));
}
}
public void GetCounterSamples_ProcessorTime_HasReasonableValues(string counter, PerformanceCounterType counterType, double minValue, double maxValue, string instanceName, ulong timeBase)
{
var reader = new PerfmonCounterReader();
using (var cancellationTokenSource = new CancellationTokenSource())
{
var sample = reader.GetCounterSamples(new[] { counter }, TimeSpan.FromSeconds(1), 1, cancellationTokenSource.Token)
.SelectMany(set => set.CounterSamples)
.First();
//TODO: this is bad form - replace with an object comparer
Assert.Equal(counterType, sample.CounterType);
Assert.InRange(sample.CookedValue, minValue, maxValue);
Assert.Equal(instanceName, sample.InstanceName);
Assert.Equal(timeBase, sample.TimeBase);
Assert.True(sample.Path.ToLower().EndsWith(counter.ToLower()));
}
}
public Task CreateContinuousTask(CancellationToken cancellationToken)
{
return(new Task(() =>
{
var reader = new PerfmonCounterReader();
using (GraphiteUdpClient client = new GraphiteUdpClient(_counterSamplingConfig.MetricHost, _counterSamplingConfig.MetricHostPort, _counterSamplingConfig.MetricPrefix))
{
foreach (var samples in reader.StreamCounterSamples(_counterPaths, _counterSamplingConfig.SampleInterval, cancellationToken))
{
foreach (PerformanceCounterSample metric in samples.CounterSamples)
{
foreach (CounterFilter filter in _counterFilters)
{
if (!metric.IsFiltered(_counterFilters))
{
client.Send(metric.MetricPath, metric.MetricValue, metric.Timestamp);
}
}
}
}
}
}, cancellationToken));
}
