Chapter 18
KUtrace: Postprocessing
Once a raw trace file is created, it can be postprocessed into an HTML file that can be displayed and dynamically panned and zoomed and annotated. There are five programs involved, two of which are optional, as shown in Figure 18.1, taken from Chapter 14’s Figure 14.3.
Figure 18.1 Overview of trace postprocessing
18.1 Postprocessing Details
A raw trace file consists of packed binary 8-byte trace entries. These entries largely record call-return pairs for system calls, interrupts, and faults, but they also include context switches, names of routines, and markers. The rawtoevent program reads a trace file ...
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