use:
1, w is shown in detail, refreshed every 3 seconds
2, shift + m can be sorted in share memory
3, q to exit monitoring
result:
top - 10:20:31 up 3 days, 11:54, 1 user, load average: 0.00, 0.01, 0.05
Tasks: 74 total, 2 running, 72 sleeping, 0 stopped, 0 zombie
%Cpu(s): 0.3 us, 0.3 sy, 0.0 ni, 99.3 id, 0.0 wa, 0.0 hi, 0.0 si, 0.0 st
KiB Mem : 1014904 total, 68192 free, 525636 used, 421076 buff/cache
KiB Swap: 0 total, 0 free, 0 used. 322312 avail Mem
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
Description:
The first line: the same function w
Second row: Task Information
Third row: CPU Information
Fourth row: Memory information
Fifth freedom: the swap partition
Other lines:
PID: Process ID
USER: User
PR: Priority
A: NICE
VIRT: total amount of virtual memory
RES: virtual memory, not swap physical memory
SHR: shared memory size
S: Process Status
% CPU: CPU occupancy percentage
% MEM: memory usage percentage
TIME +: CPU time
COMMAND: process name / command