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What Does the Threads Chart Contain?

The Threads chart lists all threads that have been active during the recording. The threads are quite colorful at a first glance where every color represents an event. Figure 18-4 shows an example of threads. The garbage collections are located at the top of the list (marked 1 in Figure 18-4) and each thread is located below its thread group in alphabetical order (marked 2 in Figure 18-4).

Figure 18-4 Threads list

Threads list

Each thread in the Threads list contains events. A thread can also contain different levels within the same thread (see Thread-14 in Figure 18-4 for an example of levels). To see the actual events with some granularity, you can magnify the thread itself (see To zoom in on a thread by using the magnifyer slide bar) and decrease the time span of the thread you are monitoring (see To decrease the time span on a latency tab).

You can also view specific properties for each event as described in About the Properties View or Hovering Over an Event. You can also get additional information about a specific thread by hovering over it to open a tooltip.

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