TRSOURCE I/O Trace Instructions
Sometimes we might ask you for a TRSOURCE I/O trace. This web page gives instructions.
You will need to do this from a class C VM user ID.
-
TRSOURCE ID TRC1 TYPE IO DEV rdev IOD 100
where rdev is the real device number you want to trace. A range can be specified as rdev-rdev. - TRSAVE ID TRC1 TO *
- TRSOURCE ENABLE ID TRC1
- Run your test(s) to the rdev(s) specified above.
- TRSOURCE DISABLE ID TRC1
-
Q TRF
This will show you the spool ID of the file containing the trace. -
TRACERED spoolid CMS TRC1 TRACE A
where spoolid is from the output of the Q TRF command. This puts a CMS trace file on your A disk. - Hit ENTER when prompted by the TRACERED command. A trace file will be placed on your A-disk.