public void PerformanceTest()
{
//first, lets get everything to flush so we have our best initial state.
Log.EndFile("Preparing for Performance Test");
Log.Information(LogWriteMode.WaitForCommit, "Test.Agent.Metrics.Performance", "Preparing for Test", "Flushing queue");
SampledMetric.Register(typeof(UserSampledObject));
UserSampledObject sampledObject = new UserSampledObject(25, 100);
//now that we know it's flushed everything, lets do our timed loop.
DateTimeOffset startTime = DateTimeOffset.UtcNow;
for (int curMessage = 0; curMessage < MessagesPerTest; curMessage++)
{
SampledMetricDefinition.Write(sampledObject);
}
DateTimeOffset messageEndTime = DateTimeOffset.UtcNow;
//one wait for commit message to force the buffer to flush.
Log.Information(LogWriteMode.WaitForCommit, "Test.Agent.Metrics.Performance", "Waiting for Samples to Commit", null);
//and store off our time
DateTimeOffset endTime = DateTimeOffset.UtcNow;
TimeSpan duration = endTime - startTime;
Trace.TraceInformation("Sampled Metrics by Attribute Test Completed in {0}ms . {1} messages were written at an average duration of {2}ms per message. The flush took {3}ms.",
duration.TotalMilliseconds, MessagesPerTest, (duration.TotalMilliseconds) / MessagesPerTest, (endTime - messageEndTime).TotalMilliseconds);
}
public void SampledMetricsByAttributesPerformanceTest()
{
SampledMetric.Register(typeof(UserPerformanceObject));
Trace.TraceInformation("Sampled metrics registered by attributes.");
UserPerformanceObject sampledObject = new UserPerformanceObject("AttributesPerformanceTest", 25, 100);
//first, lets get everything to flush so we have our best initial state.
Log.Information(LogWriteMode.WaitForCommit, "Test.Agent.Metrics.Performance", "Preparing for Test", "Flushing queue");
//now that we know it's flushed everything, lets do our timed loop.
DateTimeOffset startTime = DateTimeOffset.UtcNow;
for (int curMessage = 0; curMessage < LoopsPerSampledTest; curMessage++)
{
SampledMetricDefinition.Write(sampledObject);
}
DateTimeOffset messageEndTime = DateTimeOffset.UtcNow;
//one wait for commit message to force the buffer to flush.
Log.Information(LogWriteMode.WaitForCommit, "Test.Agent.Metrics.Performance", "Waiting for Samples to Commit", null);
//and store off our time
DateTimeOffset endTime = DateTimeOffset.UtcNow;
TimeSpan testDuration = endTime - startTime;
TimeSpan loopDuration = messageEndTime - startTime;
const int messagesPerTest = LoopsPerSampledTest * MessagesPerSampledLoop;
Trace.TraceInformation("Sampled Metrics by Attributes Test committed {0:N0} samples in {1:F3} ms (average {2:F4} ms per message). Average loop time {3:F4} ms ({4} samples per loop) and final flush time {5:F3} ms.",
messagesPerTest, testDuration.TotalMilliseconds, (testDuration.TotalMilliseconds / messagesPerTest),
(loopDuration.TotalMilliseconds / LoopsPerSampledTest), MessagesPerSampledLoop,
(endTime - messageEndTime).TotalMilliseconds);
}
public void TestEventAttributeReflection()
{
SampledMetric.Register(typeof(UserSampledObject));
UserSampledObject sampledObject = new UserSampledObject(25, 100);
SampledMetricDefinition.Write(sampledObject);
SampledMetricDefinition sampledMetricDefinition;
Assert.IsTrue(SampledMetricDefinition.TryGetValue(typeof(UserSampledObject), "IncrementalCount", out sampledMetricDefinition));
sampledObject.SetValue(35, 90);
sampledMetricDefinition.WriteSample(sampledObject);
}