DRA thread statistics

DRA thread statistics are returned for a SCHED request and for any DRA requests that terminate a UOR. The statistics are in a CCTL area that is pointed to by the PAPLSTAT field.

The PAPL listing maps this area, as shown in the following table. The statistics also appear in the IMS™ DB log records X'08' (SCHED) and X'07' (UOR terminate).

Table 1. Information provided for the schedule process
PAPL field Field length (Hexadecimal) Contents
PAPLNPSB 8 PSB name
PAPLPOOL 8 Elapsed wait time for pool space (packed: microseconds)
PAPLINTC 8 Elapsed wait time - intent conflict (packed: microseconds)
PAPLSCHT 8 Elapsed time for schedule process (packed: microseconds)
PAPLTIMO 8 Elapsed time for DB I/O (packed: microseconds)
PAPLTLOC 8 Elapsed time for DI locking (packed: microseconds)
PAPLDBIO 4 Number of DB I/Os
Table 2. Information provided at UOR termination
PAPL field Field length (Hexadecimal) Contents
PAPLGU1 4 Number of database GU calls issued
PAPLGN 4 Number of database GN calls issued
PAPLGNP 4 Number of database GNP calls issued
PAPLGHU 4 Number of database GHU calls issued
PAPLGHN 4 Number of database GHN calls issued
PAPLGHNP 4 Number of database GHNP calls issued
PAPLISRT 4 Number of database ISRT calls issued
PAPLDLET 4 Number of database DLET calls issued
PAPLREPL 4 Number of database REPL calls issued
PAPLTOTC 4 Total number of DL/I database calls
PAPLTENQ 4 Number of test enqueues
PAPLWTEQ 4 Number of WAITS on test enqueues
PAPLTSDQ 4 Number of test dequeues
PAPLUENQ 4 Number of update enqueues
PAPLWUEQ 4 Number of WAITs on updates and enqueues
PAPLUPDQ 4 Number of update dequeues
PAPLEXEQ 4 Number of exclusive enqueues
PAPLWEXQ 4 Number of WAITs on exclusive enqueues
PAPLEXDQ 4 Number of exclusive dequeues
PAPLDATS 8 STCK time schedule started
PAPLDATN 8 STCK time schedule completed
PAPLDECL 2 Number of DEDB calls
PAPLDERD 2 Number of DEDB read operations
PAPLMSCL 2 Reserved for Fast Path
PAPLOVFN 2 Number of overflow buffers used
PAPLUOWC 2 Number of UOW contentions
PAPLBFWT 2 Number of WAITs for DEDB buffers
PAPLUSSN 4 Unique schedule sequence number
PAPLCTM1 4 Elapsed UOR CPU time (for thread TCB)