public void TestProfilingSessionExtensions_Step_InvalidGetName()
{
var mockProfiler = new Mock <IProfiler>();
var target = new ProfilingSession(mockProfiler.Object);
Assert.IsNull(target.Step((Func <string>)null));
}
public void TestProfilingSessionExtensions_Step()
{
var mockStep = new Mock<IProfilingStep>();
var mockProfiler = new Mock<IProfiler>();
mockProfiler.Setup(profiler => profiler.Step(It.IsAny<string>(), It.IsAny<string[]>(), It.IsAny<string>())).Returns(mockStep.Object);
var target = new ProfilingSession(mockProfiler.Object);
Assert.AreEqual(mockStep.Object, target.Step(() => "test"));
}
public void TestProfilingSessionExtensions_Step()
{
var mockStep = new Mock <IProfilingStep>();
var mockProfiler = new Mock <IProfiler>();
mockProfiler.Setup(profiler => profiler.Step(It.IsAny <string>(), It.IsAny <TagCollection>())).Returns(mockStep.Object);
var target = new ProfilingSession(mockProfiler.Object);
Assert.AreEqual(mockStep.Object, target.Step(() => "test"));
}
public void TestProfilingSessionExtensions_Step_InvalidName()
{
var mockProfiler = new Mock<IProfiler>();
var target = new ProfilingSession(mockProfiler.Object);
Assert.IsNull(target.Step((string)null));
}
static void Main(string[] args)
{
// use CircularBuffer to keep latest results in-memory so that we could expose them at runtime
// by default the profiling results are not kept in memory
ProfilingSession.CircularBuffer = new CircularBuffer <ITimingSession>();
// start the Owin host to expose in-memory profiling results via Web
WebApp.Start <OwinProfilingResultHost>("http://*:2222");
ProfilingSession.Start("my task starts: " + DateTime.Now.ToString(CultureInfo.InvariantCulture), "tag1", "ta\"\r\ng2");
// add addtional fields to session
ProfilingSession.Current.Profiler.GetTimingSession().Data["sessionAdditionalField1"] = "test1";
ProfilingSession.Current.Profiler.GetTimingSession().Data["sessionAdditionalField2Size"] = "3";
// keep an instance of profiling session somewhere to ensure it is not collected by GC
_profilingSession = ProfilingSession.Current;
using (ProfilingSession.Current.Step("do something 1"))
{
Thread.Sleep(200);
// you could use a passed-through profiling session instance as well.
// ProfilingSession.Current holds the profiling session internally by logic CallContext,
// in complex multi-threading cases where logic CallContext might not work,
// you might have to pass through the profiling session instead of ProfilingSession.Current
using (var step = _profilingSession.Step("do something 2", "step tag 1"))
{
// add addtional tag to step
step.AddTag("step tag 2");
// add addtional step profiling fields
step.AddField("stepField1", "test1");
step.AddField("stepField2", "test2");
Thread.Sleep(200);
using (ProfilingSession.Current.Step(() => "do something 3"))
{
Thread.Sleep(100);
}
}
}
// the profiling results is saved asynchronously when Stop() is called
// in this demo, the log is saved to *.log files to the output folder via log4net
ProfilingSession.Stop();
// usually, we import the profiling logs to elasticsearch for visualization in kibana
// but if you want to view the profiling results at runtime in a web view
// for the console app or windows service app, you could expose the results in-memory
// and display the results in another web app.
//
// in this demo, we use Owin to expose the results to http://localhost:2222
// and if you visit the URL below in the web SimpleDemo app,
// you are able to see the profiling results of the console app.
// http://localhost:64511/nanoprofiler/view?import=http://localhost:2222
Console.WriteLine("You could view the profiling results of this ConsoleDemo in the SimpleDemo site:\nhttp://localhost:64511/nanoprofiler/view?import=http://localhost:2222");
Console.WriteLine("Press any key to exit...");
Console.ReadLine();
}