B. Trace hooks

This appendix contains a listing of the AIX 5L trace hook IDs. Trace hooks can be thought of as markers in a trace report that mark certain events. After creating the trace report, the trace hooks can then be used to search for these events.

A trace report can be taken with all trace hooks active, or with only certain trace hooks active. It is a particularly good idea to limit the number of events that are captured (by limiting the number of trace hooks) on systems that are very busy, especially large SMP systems. Because the trace buffers are limited in size and can grow extremely quickly, avoid filling the buffer by limiting the number of trace hooks. Refer to 3.7, “The trace, trcnm, and trcrpt commands” on page 147 for further ...

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