public IEnumerable <ProfilerEntry> Parse(Stream stream)
{
var hash = new Dictionary <int, Stack <ProfilerEntry> >();
using (var reader = new BinaryReader(stream))
{
while (reader.PeekChar() != -1)
{
var entry = new ProfilerEntry();
entry.Type = (ProfileType)reader.ReadByte();
entry.Sequence = reader.ReadInt32();
entry.Time = reader.ReadDouble();
entry.Thread = reader.ReadInt32();
entry.Functionid = reader.ReadInt64();
Stack <ProfilerEntry> stack;
if (entry.Type == ProfileType.Enter)
{
var length = reader.ReadInt32();
entry.Method = string.Intern(Encoding.Unicode.GetString(reader.ReadBytes(length * 2)).Replace(", ", ","));
length = reader.ReadInt32();
entry.Runtime = string.Intern(Hack.Generics(Encoding.Unicode.GetString(reader.ReadBytes(length * 2)).Replace(", ", ",")));
if (!hash.TryGetValue(entry.Thread, out stack))
{
stack = new Stack <ProfilerEntry>();
hash.Add(entry.Thread, stack);
}
stack.Push(entry);
}
else if (entry.Type == ProfileType.Leave)
{
if (!hash.TryGetValue(entry.Thread, out stack))
{
throw new ProfilerStackUnderFlowException();
}
var previous = GetCurrentStackPosition(stack, entry);
entry.Method = previous.Method;
entry.Runtime = previous.Runtime;
}
else
{
//TODO GREG HANDLE TAIL CALLS
//if (!hash.TryGetValue(entry.Thread, out stack)) throw new ProfilerStackUnderFlowException();
//var current = stack.Peek();
//entry.Method = current.Method;
//entry.Runtime = current.Runtime;
}
yield return(entry);
}
}
//this maybe should be here? TODO:GREG
//if (hash.Values.Any(item => item.Count != 0))
//{
// throw new ProfilerMissingLeavesException();
//}
}
private ProfilerEntry GetCurrentStackPosition(Stack<ProfilerEntry> stack, ProfilerEntry entry)
{
while (stack.Count != 0)
{
var previous = stack.Pop();
if (previous.Functionid == entry.Functionid)
return previous;
}
throw new ProfilerStackUnderFlowException();
}
private static bool MoveEnumerator(IEnumerator <ProfilerEntry> enumerator, out ProfilerEntry entry)
{
var hasmore = enumerator.MoveNext();
entry = null;
if (hasmore)
{
entry = enumerator.Current;
}
return(!hasmore);
}
public bool contextChangesWhen(ProfilerEntry entry)
{
if (!(entry.IsTest || entry.IsSetup)) return false;
var space = entry.Runtime.IndexOf(' ');
if (space == -1) return false;
var method = entry.Runtime.IndexOf("::");
var classname = entry.Runtime.Substring(space, method - space);
if (classname == last) return false;
last = classname;
return true;
}
private ProfilerEntry GetCurrentStackPosition(Stack <ProfilerEntry> stack, ProfilerEntry entry)
{
while (stack.Count != 0)
{
var previous = stack.Pop();
if (previous.Functionid == entry.Functionid)
{
return(previous);
}
}
throw new ProfilerStackUnderFlowException();
}
public IEnumerable<ProfilerEntry> Parse(Stream stream)
{
var hash = new Dictionary<int, Stack<ProfilerEntry>>();
using(var reader = new BinaryReader(stream))
{
while (reader.PeekChar() != -1)
{
var entry = new ProfilerEntry();
entry.Type = (ProfileType) reader.ReadByte();
entry.Sequence = reader.ReadInt32();
entry.Time = reader.ReadDouble();
entry.Thread = reader.ReadInt32();
entry.Functionid = reader.ReadInt64();
Stack<ProfilerEntry> stack;
if (entry.Type == ProfileType.Enter)
{
var length = reader.ReadInt32();
entry.Method = string.Intern(Encoding.Unicode.GetString(reader.ReadBytes(length * 2)).Replace(", ", ","));
length = reader.ReadInt32();
entry.Runtime = string.Intern(Hack.Generics(Encoding.Unicode.GetString(reader.ReadBytes(length * 2)).Replace(", ", ",")));
if(!hash.TryGetValue(entry.Thread, out stack))
{
stack = new Stack<ProfilerEntry>();
hash.Add(entry.Thread, stack);
}
stack.Push(entry);
} else if(entry.Type == ProfileType.Leave)
{
if (!hash.TryGetValue(entry.Thread, out stack)) throw new ProfilerStackUnderFlowException();
var previous = GetCurrentStackPosition(stack, entry);
entry.Method = previous.Method;
entry.Runtime = previous.Runtime;
} else
{
//TODO GREG HANDLE TAIL CALLS
//if (!hash.TryGetValue(entry.Thread, out stack)) throw new ProfilerStackUnderFlowException();
//var current = stack.Peek();
//entry.Method = current.Method;
//entry.Runtime = current.Runtime;
}
yield return entry;
}
}
//this maybe should be here? TODO:GREG
//if (hash.Values.Any(item => item.Count != 0))
//{
// throw new ProfilerMissingLeavesException();
//}
}
private CallChain BuildChain(Stack <CallChain> chain, ProfilerEntry entry, bool unExpected)
{
if (entry.Type == ProfileType.Leave || unExpected)
{
if (ignoredcount > 0)
{
ignoredcount--;
return(null);
}
while (chain.Count > 0)
{
var current = chain.Pop();
if (current.FunctionId == entry.Functionid || chain.Count == 0)
{
current.EndTime = entry.Time;
return(current);
}
}
}
if (entry.Type == ProfileType.Enter)
{
if (chain.Count > 200)
{
ignoredcount++;
return(null);
}
var chainEntry = new CallChain(entry.Runtime.Replace(", ", ","), entry.Runtime, entry.Functionid);
chainEntry.StartTime = entry.Time;
if (chain.Count != 0)
{
var parent = chain.Peek();
if (parent.Children.Count < 1000)
{
parent.AddChild(chainEntry);
}
}
chain.Push(chainEntry);
}
return(null);
}
public bool contextChangesWhen(ProfilerEntry entry)
{
if (!(entry.IsTest || entry.IsSetup))
{
return(false);
}
var space = entry.Runtime.IndexOf(' ');
if (space == -1)
{
return(false);
}
var method = entry.Runtime.IndexOf("::");
var classname = entry.Runtime.Substring(space, method - space);
if (classname == last)
{
return(false);
}
last = classname;
return(true);
}
public IEnumerable <ProfilerEntry> Parse(Stream stream)
{
using (var reader = new BinaryReader(stream))
{
while (reader.PeekChar() != -1)
{
var entry = new ProfilerEntry();
entry.Type = (ProfileType)reader.ReadByte();
entry.Sequence = reader.ReadInt32();
entry.Thread = reader.ReadInt32();
entry.Functionid = reader.ReadInt64();
entry.Time = reader.ReadDouble();
if (entry.Type == ProfileType.Enter)
{
var length = reader.ReadInt32();
entry.Method = new string(reader.ReadChars(length));
length = reader.ReadInt32();
entry.Runtime = new string(reader.ReadChars(length));
}
yield return(entry);
}
}
}
public IEnumerable<ProfilerEntry> Parse(Stream stream)
{
using(var reader = new BinaryReader(stream))
{
while (reader.PeekChar() != -1)
{
var entry = new ProfilerEntry();
entry.Type = (ProfileType) reader.ReadByte();
entry.Sequence = reader.ReadInt32();
entry.Thread = reader.ReadInt32();
entry.Functionid = reader.ReadInt64();
entry.Time = reader.ReadDouble();
if (entry.Type == ProfileType.Enter)
{
var length = reader.ReadInt32();
entry.Method = new string(reader.ReadChars(length));
length = reader.ReadInt32();
entry.Runtime = new string(reader.ReadChars(length));
}
yield return entry;
}
}
}
private CallChain BuildChain(Stack<CallChain> chain, ProfilerEntry entry, bool unExpected)
{
if(entry.Type == ProfileType.Leave || unExpected)
{
if(ignoredcount > 0)
{
ignoredcount--;
return null;
}
while (chain.Count > 0)
{
var current = chain.Pop();
if (current.FunctionId == entry.Functionid || chain.Count == 0)
{
current.EndTime = entry.Time;
return current;
}
}
}
if(entry.Type == ProfileType.Enter)
{
if(chain.Count > 200)
{
ignoredcount++;
return null;
}
var chainEntry = new CallChain(entry.Runtime.Replace(", ", ","),entry.Runtime, entry.Functionid);
chainEntry.StartTime = entry.Time;
if (chain.Count != 0)
{
var parent = chain.Peek();
if(parent.Children.Count < 1000)
parent.AddChild(chainEntry);
}
chain.Push(chainEntry);
}
return null;
}
private static bool MoveEnumerator(IEnumerator<ProfilerEntry> enumerator, out ProfilerEntry entry)
{
var hasmore = enumerator.MoveNext();
entry = null;
if(hasmore)
entry = enumerator.Current;
return !hasmore;
}
public bool contextChangesWhen(ProfilerEntry entry)
{
return(entry.IsTest);
}
public bool contextChangesWhen(ProfilerEntry entry)
{
return entry.IsTest;
}
public bool contextChangesWhen(ProfilerEntry entry)
{
if (entry.IsSetup)
{
return true;
}
return entry.Type == ProfileType.Enter && entry.IsFixtureConstructor;
}
public void Enrich(ProfilerEntry entry)
{
var node = TryGetEfferentCouplingNode(entry.Runtime.Replace('+', '/'));
entry.Found = node != null;
if (node != null)
{
var tmpname = _testIdentifiers.GetSpecificallyMangledName(node.MemberReference as MethodReference);
if(tmpname != null)
{
entry.Method = tmpname;
entry.Runtime = tmpname;
}
entry.IsTest = _testIdentifiers.IsProfilerTest(node.MemberReference as MethodReference);
entry.IsSetup = _testIdentifiers.IsProfilerSetup(node.MemberReference as MethodReference);
entry.IsTeardown = _testIdentifiers.IsProfilerTeardown(node.MemberReference as MethodReference);
entry.IsFixtureConstructor = IsFixtureConstructor(node);
entry.Reference = node.MemberReference;
}
}
