public ProfileEventCollection Build()
{
var calc = new StopwatchCalculator(Session.StopwatchFrequency);
var actualMin = Math.Min(Session.InitialTimestamp, _minTs);
foreach (var evt in _profileEvents)
{
evt.Offset = calc.ToTimeSpan(actualMin, evt.RawTimestamp);
if (string.IsNullOrEmpty(evt.Name))
{
if (_eventNames.TryGetValue(evt.Id, out string name))
{
evt.Name = name;
}
}
}
var items = new ProfileEventCollection(Session, _profileEvents);
return(items);
}
public static (SpeedscopeFile, ProcessingSummary) ToSpeedscopeFormat(this ProfileEventCollection collection)
{
var session = collection.Session;
var file = new SpeedscopeFile();
if (session.File != null)
{
file.Name = Path.GetFileNameWithoutExtension(session.File);
}
var summary = new ProcessingSummary();
foreach (var threadData in collection.ThreadSummaries)
{
string name = collection.ThreadSummaries.Count == 1 ? "Main Thread" : $"Thread {threadData.Id}";
var profileEvents = collection.GetEvents(threadData.Id);
var profile = new EventedProfile()
{
Unit = ValueUnit.Milliseconds,
StartValue = 0.0,
Name = name
};
file.Profiles.Add(profile);
var openEvents = new Dictionary <long, (int index, ProfileEvent)>();
var frameLookup = new Dictionary <string, (int index, Frame frame)>();
double maxValue = -1;
foreach (var profileEvent in profileEvents)
{
if (!frameLookup.TryGetValue(profileEvent.Name, out var frameInfo))
{
var frame = new Frame()
{
Name = profileEvent.Name
};
int index = file.Shared.Frames.Count;
file.Shared.Frames.Add(frame);
frameInfo = (index, frame);
frameLookup.Add(profileEvent.Name, frameInfo);
}
IEvent ssEvent;
if (profileEvent.EventType == ProfileEventType.StartMethod)
{
ssEvent = new OpenEvent()
{
At = profileEvent.Offset.TotalMilliseconds, Frame = frameInfo.index
};
openEvents.Add(profileEvent.Id, (frameInfo.index, profileEvent));
}
else if (profileEvent.EventType == ProfileEventType.EndMethod)
{
ssEvent = new CloseEvent()
{
At = profileEvent.Offset.TotalMilliseconds, Frame = frameInfo.index
};
openEvents.Remove(profileEvent.Id);
}
else
{
summary.DroppedEvents++;
continue;
}
profile.Events.Add(ssEvent);
if (ssEvent.At > maxValue)
{
maxValue = ssEvent.At;
}
}
profile.EndValue = maxValue;
if (openEvents.Count > 0)
{
summary.FixedUnbalancedOpenEvents += openEvents.Count;
foreach (var(id, (index, frameInfo)) in openEvents.OrderByDescending(kvp => kvp.Value.Item2.Offset))
{
var fakeCloseEvent = new CloseEvent()
{
At = maxValue,
Frame = index
};
profile.Events.Add(fakeCloseEvent);
}
}
}
return(file, summary);
}