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Native Lock Profiling

If you are looking at a recording of JRockit J2SE 5.0 or later, the recording includes information about native locks (see Figure 11-3). Native locks are locks in the JRockit internal code and is nothing your application can control.

Figure 11-3 Native Locks

Native Locks

If you find high contention on a JRockit internal lock that might be causing issues for your application, either contact BEA support or contact JRockit through the BEA JRockit news group at the dev2dev web site.

Enabling Native Locks Information

Lock profiling data can only be generated from the command line. If you have no information displayed in the

To enable native locks profiling data
  1. Select a JRockit from the JRockit Browser.
  2. Click Mission Control > JRA > Start JRA Recording.
  3. Select Use native samples.
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