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)