system.cpu.util[,,]
Float cpu - or all (default)
type - possible values:
user (default), idle, nice, system (default for Windows), iowait, interrupt, softirq, steal, guest (on Linux kernels 2.6.24 and above), guest_nice (on Linux kernels 2.6.33 and above). Parameters user and nice time no longer include guest time and guest_nice time since Zabbix 3.0.14, 3.4.5 and 4.0.0.
See also platform-specific details for this parameter.
mode - possible values:
avg1 (one-minute average, default), avg5, avg15