procs -----------memory---------- ---swap-- -----io---- -system-- ------cpu-----
r b swpd free buff cache si so bi bo in cs us sy id wa st
Explanation
procs: Process
r represents the run queue (that is really how many processes assigned to CPU)
b represents a process blocked
memory: Memory
swpd virtual memory size has been used, if greater than 0, indicating a lack of physical memory on your machine
Free free physical memory size
buff used to store, catalog what's inside content, permissions cache
cache memory directly to our open files to the file cache to do
swap: exchange
si per second into the size of the virtual memory is read from disk
Size of the virtual memory is written to disk so per second
io: block device
The number of blocks per second received bi block device
The number of blocks transmitted per block device bo
system: the system
in the number of CPU interrupts per second, including time interrupt
Context switching times per second cs
CUP: central processing unit
us user CPU time
sy system CPU time
id CPU idle time Generally, id + us + sy = 100
wa IO wait CPU time
St the percentage of time a virtual machine occupied, generally do not care about