SPINLOCKSTATISTICS 
The system table SYSINFO.SPINLOCKSTATISTICS contains information on internal lock mechanisms since the last start of the database system.
Structure
NAME |
CHAR(40) |
Name of the spin lock |
LOCKCOUNT |
FIXED(20) |
Number of attempts to get the spin lock |
COLLISIONCOUNT |
FIXED(20) |
Number of failed attempts to get the spin lock |
SPINLOOPCOUNT |
FIXED(20) |
Number of attempts to get the spin lock without prior release of the CPU |
YIELDLOOPCOUNT |
FIXED(20) |
Number of attempts to get the spin lock after prior release of the CPU |
MAXSPINLOOPCOUNT |
FIXED(20) |
Maximum number of attempts to get the spin lock without prior release of the CPU |
MAXYIELDLOOPCOUNT |
FIXED(20) |
Maximum number of attempts to get the spin lock after prior release of the CPU |