Dump Lock Flight Recorder (QWTDMPLF) API

The Dump Lock Flight Recorder (QWTDMPLF) API dumps the following information into spooled files:

• The contents of the lock flight recorder for the device specified in the parameter passed to the program
• QSYSARB job log
• QLUS job log
• Job logs of the active jobs that have used the device as indicated in the lock flight recorder data
• The history log (QHST)
• Device description of the device
• Controller description of the controller to which the device is attached
• Line description of the line to which the controller is attached
• A Work with Object Locks (WRKOBJLCK) listing for the device
• A Work with Configuration Status (WRKCFGSTS) listing for the controller
• The subsystem description of active subsystems that have touched the device
• Associated internal system objects

You can use the QWTDMPLF API to collect information for your IBM service representative.

Authorities and Locks

None.

Required Parameter

Device name

INPUT; CHAR(10)

The name of the device for which flight recorder information will be dumped.

Optional Parameter

Error code

I/O; CHAR(*)

The structure in which to return error information. For the format of the structure, see Error code parameter. If this parameter is omitted, diagnostic and escape messages are issued to the application.

Error Messages