system.cpu.idle
: % Idle CPUsystem.cpu.system
: % System CPUsystem.cpu.user
: % User CPU
system.disk.free
: Disk free, in bytes.system.disk.user
: Total disk space, in bytes.system.disk.total
: Total disk space, in bytes.system.disk.in_use
: % Disk in use.
system.io.r_s
: The number of read requests to the device per second.system.io.rkb_s
: The number of kBs of reads per second.system.io.w_s
: The number of write requests to the device per second.system.io.wkb_s
: The number of kBs of writes per second.
system.mem.free
: Free system memory (in bytes)system.mem.used
: Used system memory (in bytes)system.mem.total
: Total system memory (in bytes)
system.net.bytes_rcvd
: The number of bytes received on a device per second.system.net.bytes_sent
: The number of bytes sent from a device per second.