X'69' trace entry

The X'69' trace entry is shown.

The X'69' trace entry

 TRACE ID   = X'69' 
 
       word 0 — byte 1 - X'69' - Sequential Buffering buffer invalidation 
                                 trace entry
                byte 2 - PST number
                bytes 3-4 - Trace sequence number
       word 1 — bytes 1-2 - DMB number
              - byte 3 - DCB number
              - byte 4 - Function code at entry to DFSSBCI0 (see note 1 below)
       word 2 — bytes 1-2 - Number of processed DCBs
              - bytes 3-4 - Number of invalidated SBH buffers
       word 3 — DSG address of owner of the last invalidated SBH buffer
                or zero
       word 4 — byte 1 - SBPSTTGS - Global serialization trace (see
                         note 2 below)
                byte 2-4 - Not used
       word 5 — Not used
       word 6 — SBH buffer CB address of last invalidated SBH buffer or zero
       word 7 — Block number in call or zero

Notes:

X'00'

Sequential Buffering buffer invalidation trace entry.

X'01'

Sequential Buffering buffer invalidation trace entry.

X'02'

Invalidate specific according to OSAM buffer prefix.
X'80'

Global serialization entered (SBH search started).

X'40'

Waiting for PST to be posted.