Formatting the LU manager trace

The general format of an LU manager trace record is shown. Each record is 8 words long. Word 0 holds standard information for each record.

LU manager trace record format

Table 1. LU manager trace record format
WORD 0 WORD 1 WORD 2 WORD 3 WORD 4 WORD 5 WORD 6 WORD 7
ID SEQ NUM              
where
represents
ID
Two-byte trace ID.
SEQ NUM
Two-byte trace sequence number assigned by the IMS trace component.

Words 1 thru 7 contain data specific to each trace entry, as described below:

TRACE ID = X'7B01' LUM module entry
Word 1
byte 0:Module number bytes 1-3: Reserved
Word 2
A(ECB)
Word 3
Register 1
Words 4-5
Optional user data
Words 6-7
Time stamp (STCK)
TRACE ID = X'7B02' LUM module exit
Word 1
byte 0:Module number bytes 1-3: Reserved
Word 2
A(ECB)
Word 3
Return code
Words 4-5
Optional user data
Words 6-7
Time stamp (STCK)
TRACE ID = X'7B03' IMS internal LUM error
Word 1
byte 0:Module number bytes 1-3: 0
Word 2
Error code
Word 3
TIB address
Word 4
TIB prefix address
Word 5
0
Words 6-7
Time stamp (STCK)
TRACE ID = X'7B04' IMS APPC Status Change
Word 1
  • byte 0: Module number
  • byte 1: AWE function requested code
    • X'01': Initialization request
    • X'02': Dependent region connected
    • X'03': Start APPC
    • X'04': Stop APPC
    • X'05': Purge APPC
    • X'06': Cancel APPC
    • X'07': Terminate APPC
    • X'08': Attach request
    • X'09': APPC initialized
    • X'0A': APPC stopped
    • X'0B': LU activated
    • X'0C': LU deactivated
    • X'0D': XRF takeover
    • X'0E': Clear TIBs
    • X'0F': Build LU6.2 descriptors
  • byte 2: Current APPC status
    • X'C1':Starting
    • X'C3':Cancelled
    • X'C4':Disabled
    • X'C5':Enabled
    • X'C6':Failed
    • X'D6':Outbound
    • X'D7':Purging
    • X'E2':Stopped
  • byte 3: Desired/requested APPC status
    • X'C1':Starting
    • X'C3':Cancelled
    • X'C4':Disabled
    • X'C5':Enabled
    • X'C6':Failed
    • X'D6':Outbound
    • X'D7':Purging
    • X'E2':Stopped
Word 2
A(ECB)
Word 3
  • byte 0: Last APPC status
    • X'C1':Starting
    • X'C3':Cancelled
    • X'C4':Disabled
    • X'C5':Enabled
    • X'C6':Failed
    • X'D6':Outbound
    • X'D7':Purging
    • X'E2':Stopped
  • byte 1: Last Desired/requested APPC status
    • X'C1':Starting
    • X'C3':Cancelled
    • X'C4':Disabled
    • X'C5':Enabled
    • X'C6':Failed
    • X'D6':Outbound
    • X'D7':Purging
    • X'E2':Stopped
  • bytes 2-3: 0
Word 4
0
Word 5
0
Words 6-7
Time stamp (STCK)
TRACE ID = X'7B05' LUM module IWAIT
Word 1
byte 0:Module number bytes 1-3: Reserved
Word 2
A(ECB)
Word 3
TIB_SYNC_PTR
Words 4
A(TIB)
Words 5
0
Words 6–7
Time stamp (STCK)
TRACE ID = X'7B06' LUM module IPOST
Word 1
byte 0:Module number bytes 1-3: 0
Word 2
A(ECB)
Word 3
TIB_SYNC_PTR
Words 4
A(TIB)
Words 5
0
Words 6–7
Time stamp (STCK)
TRACE ID = X'7B07' z/OS® cross-system coupling facility sendmsg
Word 1
  • Byte 0: Module number - see Table 1
  • Bytes 2-3: Function Return Code
Word 2
A(TIB)
Words 3-6
TIB MSG PREFIX URTOKEN
Word 7
Time stamp (STCK)
TRACE ID = X'7B08' AWE server TIB POST
Word 1
  • Byte 0: Module number - see Table 1
  • Bytes 2-3: Return code
Word 2
A(ECB)
Word 3
AOS POST CODE
Word 4
A(TIB)
TRACE ID = X'7B09' Request sent to z/OS Resource Recovery Services AWE server
Word 1
  • Byte 0: Module number - see Table 1
  • Bytes 2-3: AWRRFUNC
Word 2
A(ECB)
Word 3
AOS POST CODE
Words 4–7
MSG PREFIX URTOKEN
TRACE ID = X'7C01' Normal return from APPC/MVS
Word 1
  • byte 0: Module number - See Table 1.
  • byte 1: ATB call number - See Table 1.
  • byte 2: ATB flags
    • bit 0: Verb issued for asynchronous processing
    • bit 1: Return code is from asynchronous processing
    • bit 2: CID given and all zeros
    • bit 3: TPID field has user data
    • bit 4: CID field has user data
  • byte 3: Optional user data
Words 2-3
TPID or user data
Words 4-5
CID or user data
Word 6
Return code
Word 7
A(ECB)
TRACE ID = X'7C02' Unexpected return code from APPC/MVS
Word 1
  • byte 0: Module number
  • byte 1: ATB call number
  • byte 2: ATB flags
  • bit 0: Verb issued for asynchronous processing
  • bit 1: Return code is from asynchronous processing
  • bit 2: CID given and all zeros
  • bit 3: TPID field has user data
  • bit 4: CID field has user data
  • byte 3: Optional user data
Words 2-3
TPID or user data
Words 4-5
CID or user data
Word 6
Return code
Word 7
A(ECB)
TRACE ID = X'7C03' APPC/MVS asynchronous verb entry
Word 1
  • byte 0: Module number
  • byte 1: ATB call number
  • byte 2: ATB flags
    • bit 0: Verb issued for asynchronous processing
    • bit 1: Return code is from asynchronous processing
    • bit 2: CID given and all zeros
    • bit 3: TPID field has user data
    • bit 4: CID field has user data
  • byte 3: Optional user data
Words 2-3
TPID or user data
Words 4-5
CID or user data
Word 6
Reserved (FFFFFFFF)
Word 7
A(ECB)
TRACE ID = X'7F01' APPC Attach from APPC/MVS
Word 1
Reserved
Word 2
XCF message type
Words 3-4
TPID for XCF message
Words 5-6
Local LU to which ATTACH request was directed
Word 7
Time stamp (STCK)
TRACE ID = X'7F02' IMS LU activating or deactivating
Word 1
Reserved
Word 2
XCF message type
Word 3
XCF message LU flags bit 0: LU is base LU
Words 4-5
LU name
Word 6
0
Word 7
Time stamp (STCK)
TRACE ID = X'7F03' APPC/MVS starting or stopping
Word 1
Reserved
Word 2
XCF message type
Words 3-6
0
Word 7
Time stamp (STCK)
 
TRACE ID = X'7F04' CPOOL storage shortage
Word 1
Reserved
Word 2
XCF message type
Word 3
XCF message length
Words 4-5
TPID from XCF message
Word 6
0
Word 7
Time stamp (STCK)
TRACE ID = X'7F05' CPOOL block too small for XCF message
Word 1
Reserved
Word 2
XCF message type
Word 3
XCF message length
Word 4
Cell size
Words 4-5
TPID from XCF message
Word 6
0
Word 7
Time stamp (STCK)
TRACE ID = X'7F06' Invalid request from XCF
Word 1
Reserved
Word 2
XCF message type
Word 3
0
Words 4-5
MEPLSRCE map
Word 6
0
Word 7
Time stamp (STCK)
TRACE ID = X'7F07' APPC/MVS not enabled for Attach
Word 1
Reserved
Word 2
XCF message type
Word 3
  • byte 0: LSCD status (disabled, failed, stopped)
  • byte 1: LSCD IN flags (LSCD - APPC/IMS global control block)
  • byte 2: LSCD OUT flags
  • byte 3: LSCD flags
Word 4
0
Words 5-6
TPID from XCF message
Word 7
Time stamp (STCK)
TRACE ID = X'7F09' TP deallocate failed
Word 1
Reserved
Word 2
XCF message type
Word 3
Return code
Words 4-6
0
Word 7
Time stamp (STCK)