The following tables indicate the parameters you can specify on TRACE CT commands and a REPLY.
| Parameters | Allowed on TRACE CT for trace? |
|---|---|
| ON, nnnnK, nnnnM, or OFF | One is required. The buffer size can be changed only when the trace is OFF or the trace is ON. |
| 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 | No |
| JOBNAME | No |
| OPTIONS | Yes |
| WTR | Yes |
You can change options while a SYSGRS trace is running. However, to change the buffer size, you have to stop the trace and restart it with the new buffer size.