1. A diagnostic system for diagnosing performance of a computing system, comprising: an analysis component having an input module and a pattern module operatively coupled to the input module, wherein: the input module is configured to receive operational data from the computing system; and the pattern module is configured to identify an operational pattern based on the operational data, the operational pattern including a temporal sequence of operations, events, or system states related to the computing system; and an augmentation component configured to receive an annotation and associate the received annotation with the identified operational pattern, the annotation identifying a reason, a cause, or a corrective suggestion corresponding to a violation of the temporal sequence.