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Inter-correlation, Master, Meta, News, Polytrace

Inter-correlation, Master, Meta, News, Polytrace

This lesson introduces the following analysis patterns: inter-correlation, master trace, meta trace, news value, and polytrace.

Inter-correlation

The Inter-correlation pattern is analogous to the previously described intra-correlation pattern, but it involves several traces from possibly different trace agents recorded (most commonly) during or at the same time as an overlapping time interval.

Let’s look at a typical example of an application in the process of subclassing windows to add the additional look and feel element to its GUI or inject hooks into window messaging. Let’s suppose that this application also records essential trace data like window parameters before and after subclassing using ETW technology. When running the application in a terminal services environment, all windows (including other processes) are shown with an incorrect dimension. We, for this reason, request the application trace and WindowHistory trace to see how the coordinates of all windows change over time. We ...