X'C6' trace entry

The X'C6' trace entry is shown.

The X'C6' trace entry

 TRACE ID   = X'C6' 
 
       word 0 — byte 1 - X'C6' - Special promote lock trace entry
                byte 2 - PST number (see note 1 below)
                bytes 3-4 - Trace sequence number               
       word 1 — byte 1-2 - Not used
              - byte 3 - Special lock/unlock call (see note 1)
              - byte 4 - Level of this lock
       words 2-3 - C'PROMOTE '
       word 4 - REQ address
       word 5 -  QCB address
       words 6-7 - Resource id (see note 2)

Notes:

See the following table for special lock or unlock calls.
Table 1. Special lock or unlock calls

Code (hex) Special lock or unlock call Description

X'08' PROENQ Lock call

X'10' PRODEQ Unlock call

Table 1. Special lock or unlock calls
Code (hex)	Special lock or unlock call	Description
X'08'	PROENQ	Lock call
X'10'	PRODEQ	Unlock call

Resource id is an 8-byte field:

bytes 1-4 – Complement of original RBA
bytes 5-6 – DMB number
byte 7   - DCB number
byte 8   - C'Z' id suffix