internal ProfileOperation StartMeasure([NotNull] ProfileOperationSpecification specification)
{
if (specification == null)
{
throw new ArgumentNullException(nameof(specification));
}
if (this.operationsStack.Value == null)
{
this.operationsStack.Value = new Stack <ProfileOperation>();
}
var operation_stack = this.operationsStack.Value;
var last_operation = operation_stack.Count > 0 ? operation_stack.Peek() : null;
this.newId++;
var operation = new ProfileOperation(id: this.newId,
profiler: this.Profiler,
session: this,
specification: specification,
parent: last_operation);
this.operations.Add(operation);
operation_stack.Push(operation);
return(operation);
}
public static ProfileOperation WithOperationData([CanBeNull] this ProfileOperation operation,
[NotNull] string dataKey,
[CanBeNull] object dataValue)
{
if (operation != null)
{
operation[dataKey] = dataValue;
}
return(operation);
}
/// <summary>
/// Initializes a new instance of the <see cref="ProfileOperation" /> class.<br />
/// This method indended to be called from <see cref="ProfileSession"/>
/// and should not be called manually.
/// </summary>
public ProfileOperation(int id,
[NotNull] IProfiler profiler,
[CanBeNull] ProfileSession session,
[NotNull] ProfileOperationSpecification specification,
[CanBeNull] ProfileOperation parent)
{
if (specification == null)
{
throw new ArgumentNullException(nameof(specification));
}
this.Id = id;
this.Profiler = profiler ?? throw new ArgumentNullException(nameof(profiler));
if (session != null)
{
if (session.Profiler != profiler)
{
throw new InvalidOperationException("Session.Profiler does not match specified profiler.");
}
this.Session = session;
this.StartTime = session.Time;
}
if (this.Profiler.Configuration.CaptureCallStacks)
{
var current_assembly = this.GetType().Assembly;
this.CallStack = new StackTrace(true).ToAsyncString(x => x.DeclaringType?.Assembly != current_assembly);
}
this.Name = specification.Name;
this.Category = specification.Category;
this.Resource = specification.Resource;
this.NormalDuration = specification.NormalDuration;
this.StartDate = DateTime.UtcNow;
this.Parent = parent;
if (specification.Data != null)
{
this.Data = new Dictionary <string, object>(specification.Data, StringComparer.Ordinal);
}
// start timer as close to the profiled code as possible
this.time = Stopwatch.StartNew();
}
/// <summary>
/// Stops operation measure.
/// This method should not be called directly - it will be called automatically
/// uppon disposing of <see cref="ProfileOperation" /> returned from <see cref="StartMeasure" />.
/// </summary>
/// <exception cref="ArgumentNullException"><paramref name="operation"/> is <see langword="null" />.</exception>
internal void StopMeasure([NotNull] ProfileOperation operation)
{
if (operation == null)
{
throw new ArgumentNullException(nameof(operation));
}
try
{
if (operation.Session != this)
{
throw new OperationFromAnotherSessionProfilingException();
}
var operation_stack = this.operationsStack.Value;
if (operation_stack == null)
{
throw new OperationsOutOfOrderProfillingException();
}
var current_operation = operation_stack.Pop();
if (current_operation != operation)
{
throw new OperationsOutOfOrderProfillingException();
}
var parent_operation = operation_stack.Count > 0 ? operation_stack.Peek() : null;
if (parent_operation != operation.Parent)
{
throw new OperationsOutOfOrderProfillingException();
}
operation.EndTime = this.Time;
this.Duration += operation.Duration;
if (operation.Duration >= operation.NormalDuration)
{
this.HasOperationLongerThanNormal = true;
}
}
catch (Exception ex)
{
this.logger.LogError(ex);
}
}
internal ProfileOperation StartMeasure([NotNull] ProfileOperationSpecification specification)
{
if (specification == null)
{
throw new ArgumentNullException(nameof(specification));
}
this.newId++;
var operation = new ProfileOperation(id: this.newId,
profiler: this.Profiler,
session: this,
specification: specification,
parent: this.currentParentOperation.Value);
lock (this.operations)
this.operations.Add(operation);
this.currentParentOperation.Value = operation;
return(operation);
}
/// <summary>
/// Stops operation measure.
/// This method should not be called directly - it will be called automatically
/// uppon disposing of <see cref="ProfileOperation" /> returned from <see cref="StartMeasure" />.
/// </summary>
/// <exception cref="ArgumentNullException"><paramref name="operation"/> is <see langword="null" />.</exception>
internal void StopMeasure([NotNull] ProfileOperation operation)
{
if (operation == null)
{
throw new ArgumentNullException(nameof(operation));
}
try
{
if (operation.Session != this)
{
throw new OperationFromAnotherSessionProfilingException();
}
if (this.currentParentOperation.Value == operation)
{
this.currentParentOperation.Value = operation.Parent;
}
else
{
this.logger.LogWarning($"Operations are out of order. Current parent operation does not match completed operation \"{operation}\".");
}
operation.EndTime = this.Time;
this.Duration += operation.Duration;
if (operation.Duration >= operation.NormalDuration)
{
this.HasOperationLongerThanNormal = true;
}
}
catch (Exception ex)
{
this.logger.LogError(ex);
}
}