Trace Analysis Patterns (Part 12)
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When looking at lengthy traces with thousands and millions of messages (trace statements) we can see regions of activity where statement current (Jm, msg/s) is much higher than in surrounding temporal regions. Hence the name of this pattern, Activity Region. Here is an illustration for a typical ETW/CDF trace where a middle region of activity (Jm2) signifies a system performing some response function like a user session initialization and application launch:

- Dmitry Vostokov @ TraceAnalysis.org -
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November 19th, 2009 at 1:16 pm
Димочка, вот ты где !!!!
Наконец-то проявился.
Будь добр, отпиши на мой мейл весточку.
November 19th, 2009 at 6:32 pm
Hi Boris! Will do very soon!
Thanks,
Dmitry
December 31st, 2009 at 2:27 pm
[…] pattern. In our trace example, the search for “password” jumps straight to a small activity region of authorization modules starting from the message number #180,010 and the last […]
March 8th, 2010 at 3:57 pm
[…] we have a sequence of Activity Regions with increasing values of Statement Current, like depicted […]