The following tables indicate the parameters you can specify on TRACE CT commands and a REPLY.
| Parameters | Allowed on TRACE CT for trace? |
|---|---|
| ON or OFF | One is required |
| nnnnK, nnnnM | Yes |
| COMP | Required |
| SUB | No |
| PARM | Yes |
| Parameters | Allowed on TRACE CT for Writer? |
|---|---|
| WTRSTART or WTRSTOP | One is required, if a writer is being used |
| Parameters | Allowed on REPLY for trace? |
|---|---|
| ASID | Yes |
| JOBNAME | Yes |
| OPTIONS | Yes |
| WTR | Yes |
The WTR and WTRSTART parameters can be used in a parmlib member specified on the TRACE CT command. The parameters cannot be specified in a parmlib member that is read at IPL because the external writer is not available when the IOS component is defined.