AIX 5L Problem Determination - IBM Redbooks

your trace, the system may be tracing a large set of unrelated events, such as
from the execution of other threads or interrupt handlers.
To generate a more concise report, a set of filters can be specified.
The trcrpt command allows a large set of filters. The following types of filters
are possible:
► Limit report on event hook IDs.
► Limit report on process IDs.
► Limit the report to a specific time.
9.5.4 Tracing example
The report format can be customized using the trcrpt -O command with an
option value. For example, adding the process ID of a calling process into the
report can be created by the following command:
# trcprt -O pid=on -o /tmp/trace.out
The following describes how to use the trace facility to analyze a hung process.
In this example, an aixterm process is using 100 percent of one CPU. Figure 9-4
shows the output of a topas command display.
Figure 9-4 Output display of the topas command
214 IBM ^ Certification Study Guide - AIX 5L Problem Determination Tools and Techniques