CP6100 Configuration and Management Manual

Managing CP6100 Using the Subsystem
Control Facility (SCF)
CP6100 Configuration and Management Manual—426741-003
8-33
Considerations for the TRACE Command
WRAP
specifies that when the trace file end-of-file mark is reached, trace data will wrap
around to the beginning of the file and overwrite any data there. If WRAP is not
specified, the trace is stopped when the end-of-file mark is reached. You cannot
change the specification of the WRAP option during an ongoing trace.
Considerations for the TRACE Command
•
If TO file-spec is specified, a new TRACE is initiated, unless file-spec is
invalid, the file cannot be opened, or a trace is already active for the IOP.
If TO file-spec is omitted, the TRACE command applies to any trace currently
in process.
•
The keyword ALL selects all trace options.
•
If the trace file already exists, it is purged of data before the trace is initiated.
Table 8-4. Keywords and Values for the TRACE LINE Command
Keyword Value Meaning
ALL -1 Traces all items
L1 1 CLB driver
L2 2 Level-2 state machine
L3 3 Level-3 state machine
L4 4 Level-4 state machine
CLBI 10 CLB inbound-frame tracing
CLBO 11 CLB outbound-frame tracing
CLIPDI 16 CLIP to communications line data in trace
CLIPDO 17 CLIP to communications line data out trace
CLIPL2 21 CLIP level-2 protocol trace
CLIPL3 22 CLIP level-3 protocol trace
CLIPL4 23 CLIP level-4 protocol trace
Note. Trace options can be specified as either keywords or as corresponding numeric values.
SCF accepts a combination of keywords and numeric values within a TRACE command. Also,
numeric values are not verified by CP6100—an undefined value has no effect and no warning
is issued.