READERWRITERLOCKSTATISTICS

Definition

The system table READERWRITERLOCKSTATISTICS describes critical sections and their use since the last start of the database instance.

Structure

READERWRITERLOCKSTATISTICS

READERWRITERLOCKADDRESS

CHAR(20)

Address in memory

EXCLUSIVEACCESSCOUNT

FIXED(20)

Number of exclusive accesses to this critical section

NONEXCLUSIVEACCESSCOUNT

FIXED(20)

Number of non-exclusive accesses to this critical section

COLLISIONCOUNT

FIXED(20)

Number of collisions between a task that is occupying the critical section and another task that is requesting the critical section

WAITCOUNT

FIXED(20)

Number of tasks waiting for access to the critical section

SPINLOCKCOLLISIONCOUNT

FIXED(20)

Number of task collisions in the management of the critical section

See also:

READERWRITERLOCKSTATISTICSRESET