The trace command starts the tracing of system events and controls the size of and manages the trace log file, as well as the internal trace buffers that collect trace event data. Controls the capture of trace data in system memory. The trace log files and the internal trace buffers that collect trace event data can be managed, including their size, by this command. Delays data collection. The trace facility is only configured.
Data collection is delayed until one of the collection trigger events occurs.
Various methods for triggering data collection on and off are provided. Specifies a list of events to include or exclude by a series of three-digit hexadecimal event IDs separated by a space. Terminate trace data collection if the trace log file reaches its maximum specified size. The default without this option is to wrap and overwrite the data in the log file on a FIFO basis. The message is included in reports generated by the trcrpt command.