MySQL 8.4 Reference Manual Including MySQL NDB Cluster 8.4
The cpudata_20sec table provides data about
CPU usage per 20-second interval over the last 400 seconds.
The cpustat table contains the following
columns:
node_id
Node ID
measurement_id
Measurement sequence ID; later measurements have lower IDs
cpu_no
CPU ID
cpu_online
1 if the CPU is currently online, otherwise 0
cpu_userspace_time
CPU time spent in userspace
cpu_idle_time
CPU time spent idle
cpu_system_time
CPU time spent in system time
cpu_interrupt_time
CPU time spent handling interrupts (hardware and software)
cpu_exec_vm_time
CPU time spent in virtual machine execution
elapsed_time
Time in microseconds used for this measurement
The cpudata_20sec table is available only on
Linux and Solaris operating systems.