Flow Map Manual

Appendix E Flow Map Object Attributes
098935 Tandem Computers Incorporated E–1
Processing Object
Attributes
ACCEL-BUSY-TIME. Time in microseconds that the CPU was busy executing accelerated
code in this process.
BLOCK-SPLITS. Number of blocks spilt during writes to file.
CACHE-HITS. Number of times a read operation found the required block in cache,
which saves a disk I/O.
CACHE-WRITE-HITS. Number of times a write operation found the required block dirty
in cache, which saves a disk I/O.
CHECKPOINTS. Number of calls to the CHECKPOINT procedure. This counter
includes both user and system calls to this procedure.
COMP-TRAPS. Number of times a compatibility trap occurred during execution of this
process.
CPU-BUSY-TIME. Time in microseconds that the CPU spent executing the process.
DISK-DELETES. Number of calls to the WRITEUPDATE or WRITEUPDATEUNLOCK
procedure with a buffer length of zeros.
DISK-DISC-READS. The number of physical disk reads performed.
DISK-ESCALATIONS. The number of times a lock escalated to a file-level lock.
DISK-FILE-BUSY-TIME. Time in microseconds spent executing waited I/O requests.
DISK-INFO-CALLS. Number of calls to the FILEINFO and FILERECINFO procedures
regarding the file.
DISK-LOCK-WAITS. The number of times a call waited for a lock request.
DISK-MESSAGE-BYTES. The number of message bytes sent and received for this file
open.
DISK-MESSAGES. The number of messages sent for this open, including the OPEN
messages.
DISK-READS. Number of calls to the READ, READLOCK, READUPDATE, and
READUPDATELOCK procedures.
DISK-RECORDS-ACCESSED. The number of records read by the disk process or file
system to perform the operations.
DISK-RECORDS-USED. The number of records returned to the SQL executor on reads,
inserts, writes, updates, and deletes.
DISK-TIMEOUTS. The number of timeouts or cancels issued against this OPEN.
DISK-UPDATES. Number of calls to the WRITEUPDATE or WRITEUPDATEUNLOCK
procedure with a buffer length greater than zero or the number of calls to the REPLY
procedure.
DISK-WRITES. Number of calls to the WRITE, WRITEUPDATE, and
WRITEUPDATELOCK procedures.