25.6.17.16 The ndbinfo cpudata_20sec Table

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

Notes

The cpudata_20sec table is available only on Linux and Solaris operating systems.