public void WalkTheStackAndExpandSamplesHandlesBrokenStacks(StackSourceFrameIndex kind)
{
// Main() calls WRONG
const double relativeTime = 0.1;
var main = new FakeStackSourceSample(
relativeTime: relativeTime,
name: "Main",
frameIndex: (StackSourceFrameIndex)5, // 5 is first non-taken enum value
stackIndex: (StackSourceCallStackIndex)1, // 1 is first non-taken enum value
callerIndex: StackSourceCallStackIndex.Invalid);
var wrong = new FakeStackSourceSample(
relativeTime: relativeTime,
name: "WRONG",
frameIndex: kind,
stackIndex: (StackSourceCallStackIndex)2,
callerIndex: main.StackIndex);
var allSamples = new[] { main, wrong };
var leafs = new[] { new Sample(wrong.StackIndex, -1, wrong.RelativeTime, wrong.Metric, -1) };
var stackSource = new StackSourceStub(allSamples);
var frameNameToId = new Dictionary <string, int>();
var frameIdToSamples = WalkTheStackAndExpandSamples(stackSource, leafs, frameNameToId, new Dictionary <int, FrameInfo>());
Assert.Equal(0, frameNameToId[main.Name]);
Assert.False(frameNameToId.ContainsKey(wrong.Name));
var theOnlySample = frameIdToSamples.Single().Value.Single();
Assert.Equal(relativeTime, theOnlySample.RelativeTime);
Assert.Equal(0, theOnlySample.Depth);
}
public void GetSortedSamplesReturnsSamplesSortedByRelativeTimeAndGrouppedByThreadWithProcessInfo(string processName, int expectedProcessId)
{
const string ThreadName = "Thread (123)";
var process = new FakeStackSourceSample(
relativeTime: 0.1,
name: processName,
frameIndex: (StackSourceFrameIndex)5, // 5 is first non-taken enum value
stackIndex: (StackSourceCallStackIndex)1, // 1 is first non-taken enum value
callerIndex: StackSourceCallStackIndex.Invalid);
var thread_1 = new FakeStackSourceSample(
relativeTime: 0.1,
name: ThreadName,
frameIndex: (StackSourceFrameIndex)6,
stackIndex: (StackSourceCallStackIndex)2,
callerIndex: process.StackIndex);
var a_1 = new FakeStackSourceSample(
relativeTime: 0.1,
name: "A",
frameIndex: (StackSourceFrameIndex)7,
stackIndex: (StackSourceCallStackIndex)3,
callerIndex: thread_1.StackIndex);
var thread_2 = new FakeStackSourceSample(
relativeTime: 0.2,
name: ThreadName,
frameIndex: (StackSourceFrameIndex)6,
stackIndex: (StackSourceCallStackIndex)4,
callerIndex: process.StackIndex);
var a_2 = new FakeStackSourceSample(
relativeTime: 0.2,
name: "A",
frameIndex: (StackSourceFrameIndex)7,
stackIndex: (StackSourceCallStackIndex)5,
callerIndex: thread_2.StackIndex);
var sourceSamples = new[] { process, thread_1, thread_2, a_2, a_1 };
var stackSource = new StackSourceStub(sourceSamples);
var result = GetSortedSamplesPerThread(stackSource)[new ThreadInfo(ThreadName, 123, expectedProcessId)];
Assert.Equal(0.1, result[0].RelativeTime);
Assert.Equal(0.1, result[1].RelativeTime);
Assert.Equal(0.2, result[2].RelativeTime);
Assert.Equal(0.2, result[2].RelativeTime);
}
public void WalkTheStackAndExpandSamplesProducesFullInformation()
{
// Main() calls A() calls B()
const double relativeTime = 0.1;
var main = new FakeStackSourceSample(
relativeTime: relativeTime,
name: "Main",
frameIndex: (StackSourceFrameIndex)5, // 5 is first non-taken enum value
stackIndex: (StackSourceCallStackIndex)1, // 1 is first non-taken enum value
callerIndex: StackSourceCallStackIndex.Invalid);
var a = new FakeStackSourceSample(
relativeTime: relativeTime,
name: "A",
frameIndex: (StackSourceFrameIndex)6,
stackIndex: (StackSourceCallStackIndex)2,
callerIndex: main.StackIndex);
var b = new FakeStackSourceSample(
relativeTime: relativeTime,
name: "B",
frameIndex: (StackSourceFrameIndex)7,
stackIndex: (StackSourceCallStackIndex)3,
callerIndex: a.StackIndex);
var allSamples = new[] { main, a, b };
var leafs = new[] { new Sample(b.StackIndex, -1, b.RelativeTime, b.Metric, -1) };
var stackSource = new StackSourceStub(allSamples);
var frameNameToId = new Dictionary <string, int>();
var frameIdToSamples = WalkTheStackAndExpandSamples(stackSource, leafs, frameNameToId, new Dictionary <int, FrameInfo>());
Assert.Equal(0, frameNameToId[main.Name]);
Assert.Equal(1, frameNameToId[a.Name]);
Assert.Equal(2, frameNameToId[b.Name]);
Assert.All(frameIdToSamples.Select(pair => pair.Value), samples => Assert.Equal(relativeTime, samples.Single().RelativeTime));
Assert.Equal(0, frameIdToSamples[0].Single().Depth);
Assert.Equal(1, frameIdToSamples[1].Single().Depth);
Assert.Equal(2, frameIdToSamples[2].Single().Depth);
}
public void GetSortedSamplesReturnsSamplesSortedByRelativeTimeAndGrouppedByThread()
{
const string ThreadName = "Thread (123)";
var thread_1 = new FakeStackSourceSample(
relativeTime: 0.1,
name: ThreadName,
frameIndex: (StackSourceFrameIndex)5, // 5 is first non-taken enum value
stackIndex: (StackSourceCallStackIndex)1, // 1 is first non-taken enum value
callerIndex: StackSourceCallStackIndex.Invalid);
var a_1 = new FakeStackSourceSample(
relativeTime: 0.1,
name: "A",
frameIndex: (StackSourceFrameIndex)6,
stackIndex: (StackSourceCallStackIndex)2,
callerIndex: thread_1.StackIndex);
var thread_2 = new FakeStackSourceSample(
relativeTime: 0.2,
name: ThreadName,
frameIndex: (StackSourceFrameIndex)5, // 5 is first non-taken enum value
stackIndex: (StackSourceCallStackIndex)3, // 1 is first non-taken enum value
callerIndex: StackSourceCallStackIndex.Invalid);
var a_2 = new FakeStackSourceSample(
relativeTime: 0.2,
name: "A",
frameIndex: (StackSourceFrameIndex)6,
stackIndex: (StackSourceCallStackIndex)4,
callerIndex: thread_2.StackIndex);
var sourceSamples = new[] { thread_1, thread_2, a_2, a_1 };
var stackSource = new StackSourceStub(sourceSamples);
var result = SpeedScopeStackSourceWriter.GetSortedSamplesPerThread(stackSource)[ThreadName];
Assert.Equal(0.1, result[0].RelativeTime);
Assert.Equal(0.1, result[1].RelativeTime);
Assert.Equal(0.2, result[2].RelativeTime);
Assert.Equal(0.2, result[2].RelativeTime);
}
public void EndToEnd(string processName, int expectedProcessId)
{
const string ThreadName = "Thread (123)";
const string MethodName = "A";
const double relativeTime = 0.1;
const float metric = 0.1f;
// we have two samples here:
// processName -> ThreadName() => MehtodName() starting at 0.1 and lasting 0.1
// processName -> ThreadName() => MehtodName() starting at 0.2 and lasting 0.1
var process_1 = new FakeStackSourceSample(
isLastOnCallStack: false,
relativeTime: relativeTime,
metric: metric,
name: processName,
frameIndex: (StackSourceFrameIndex)5, // 5 is first non-taken enum value
stackIndex: (StackSourceCallStackIndex)1, // 1 is first non-taken enum value
callerIndex: StackSourceCallStackIndex.Invalid);
var thread_1 = new FakeStackSourceSample(
isLastOnCallStack: false,
relativeTime: process_1.RelativeTime,
metric: process_1.Metric,
name: ThreadName,
frameIndex: (StackSourceFrameIndex)6,
stackIndex: (StackSourceCallStackIndex)2,
callerIndex: process_1.StackIndex);
var a_1 = new FakeStackSourceSample(
isLastOnCallStack: true,
relativeTime: thread_1.RelativeTime,
metric: thread_1.Metric,
name: MethodName,
frameIndex: (StackSourceFrameIndex)7,
stackIndex: (StackSourceCallStackIndex)3,
callerIndex: thread_1.StackIndex);
var process_2 = new FakeStackSourceSample(
isLastOnCallStack: false,
relativeTime: relativeTime * 2,
metric: metric,
name: processName,
frameIndex: (StackSourceFrameIndex)5, // 5 is first non-taken enum value
stackIndex: (StackSourceCallStackIndex)1, // 1 is first non-taken enum value
callerIndex: StackSourceCallStackIndex.Invalid);
var thread_2 = new FakeStackSourceSample(
isLastOnCallStack: false,
relativeTime: process_2.RelativeTime,
metric: process_2.Metric,
name: ThreadName,
frameIndex: (StackSourceFrameIndex)6,
stackIndex: (StackSourceCallStackIndex)4,
callerIndex: process_2.StackIndex);
var a_2 = new FakeStackSourceSample(
isLastOnCallStack: true,
relativeTime: thread_2.RelativeTime,
metric: thread_2.Metric,
name: MethodName,
frameIndex: (StackSourceFrameIndex)7,
stackIndex: (StackSourceCallStackIndex)5,
callerIndex: thread_2.StackIndex);
var sourceSamples = new[] { process_1, thread_1, a_1, process_2, thread_2, a_2 };
var stackSource = new StackSourceStub(sourceSamples);
var leafs = GetSortedSamplesPerThread(stackSource)[new ThreadInfo(ThreadName, 123, expectedProcessId)];
Assert.Equal(relativeTime, leafs[0].RelativeTime);
Assert.Equal(metric, leafs[0].Metric);
Assert.Equal(relativeTime * 2, leafs[1].RelativeTime);
Assert.Equal(metric, leafs[1].Metric);
var frameNameToId = new Dictionary <string, int>();
var profileEvents = GetProfileEvents(stackSource, leafs, frameNameToId, new Dictionary <int, FrameInfo>());
// first: opening the Process at time 0.1
var openProcess = profileEvents[0];
Assert.Equal(ProfileEventType.Open, openProcess.Type);
Assert.Equal(process_1.RelativeTime, openProcess.RelativeTime);
Assert.Equal(0, openProcess.Depth);
Assert.Equal(0, openProcess.FrameId);
Assert.Equal(openProcess.FrameId, frameNameToId[process_1.Name]);
// second: opening the Thread at time 0.1
var openThread = profileEvents[1];
Assert.Equal(ProfileEventType.Open, openThread.Type);
Assert.Equal(thread_1.RelativeTime, openThread.RelativeTime);
Assert.Equal(1, openThread.Depth);
Assert.Equal(1, openThread.FrameId);
Assert.Equal(openThread.FrameId, frameNameToId[thread_1.Name]);
// third: opening the A method at time 0.1
var openMethod = profileEvents[2];
Assert.Equal(ProfileEventType.Open, openMethod.Type);
Assert.Equal(a_1.RelativeTime, openMethod.RelativeTime);
Assert.Equal(2, openMethod.Depth);
Assert.Equal(2, openMethod.FrameId);
Assert.Equal(openMethod.FrameId, frameNameToId[a_1.Name]);
// fourth: close the A method at time 0.3 (relativeTime * 2 + metric)
var closeMethod = profileEvents[3];
Assert.Equal(ProfileEventType.Close, closeMethod.Type);
Assert.Equal(a_1.RelativeTime + a_1.Metric + a_2.Metric, closeMethod.RelativeTime);
Assert.Equal(2, closeMethod.Depth);
Assert.Equal(2, closeMethod.FrameId);
Assert.Equal(closeMethod.FrameId, frameNameToId[a_2.Name]);
// fifth: close the Thread at time 0.3 (relativeTime * 2 + metric)
var closeThread = profileEvents[4];
Assert.Equal(ProfileEventType.Close, closeThread.Type);
Assert.Equal(thread_1.RelativeTime + thread_1.Metric + thread_2.Metric, closeThread.RelativeTime);
Assert.Equal(1, closeThread.Depth);
Assert.Equal(1, closeThread.FrameId);
Assert.Equal(closeThread.FrameId, frameNameToId[thread_2.Name]);
// sixth: close the Process at time 0.3 (relativeTime * 2 + metric)
var closeProcess = profileEvents[5];
Assert.Equal(ProfileEventType.Close, closeProcess.Type);
Assert.Equal(process_1.RelativeTime + process_1.Metric + process_2.Metric, closeProcess.RelativeTime);
Assert.Equal(0, closeProcess.Depth);
Assert.Equal(0, closeProcess.FrameId);
Assert.Equal(closeProcess.FrameId, frameNameToId[process_2.Name]);
}
