SPINLOCKSTATISTICS
The system table SYSINFO.SPINLOCKSTATISTICS contains information on internal lock mechanisms since the last start of the database system.
|
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 |