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Correlating Events on Threads

You can easily correlate latency events that occur on non-adjacent threads by using a guide line that lays over the graph. For example, if you have 10 threads in your application and you want to correlate the time when a latency event happens in thread 2 (which will appear toward the top of the screen) with another latency event that happens in thread 9 (toward the bottom of the screen), you would do the following:

  1. On the elapsed time bar at the top of the Thread List, click the point in time for which you want to correlate latency events.

    2. The guide line will appear (Figure 18-5).

    Figure 18-5 Latency events correlation guideline


    Latency events correlation guideline

  2. Scroll down to the first event you want to correlate and hover over the intersection of the thread event and the guide line to display event information (Figure 18-6).
    3. Figure 18-6 Thread information displayed


    Thread information displayed

  3. Scroll down to the next event you want to correlate and hover over the intersection of the thread event and the guide line to display event information
  4. To clear the guide line from the graph, simply click the top of it (the black triangle).
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