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The method sampling in JRockit is based on CPU sampling. This requires that you put load on the system to get any samples. The Top Hot Methods lists (see Figure 5-2) all methods sampled during the recording and sorts them with the most sampled method s first. These are the methods where most of JRockit's time is spent.
If your recording has native sampling enabled during the recording, you can see methods prefixed by jvm
, which are native methods in the JVM.
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