dstat command
LINUX-Frequently used commands
| dstat command Display the contents of a file |
| Ｓyntax |
| dstat [Option] |
| Dstat is a command that can display CPU load by core, IO load by disk, and network transfer rate by interface. Resources that are monitored using top, iostat, and netstat can be monitored with a single command. |
| Frequently used options | |
| -t | Display the time. |
| -c | Displays the percentage of CPU time used. |
| -m | Display memory status |
| -vm | Displays the status of virtual memory usage. |
| -s | Displays the status of the swap usage. |
| -g | Displays the number of page inputs and outputs. |
| -d | Display the status of the disk |
| -r | Number of read/write requests to disk (IOPS) |
| -i | Displays the status of interrupt processing. |
| -l | Display load average status |
| -p | Display the status of the process. |
| -y | Display system status |
| -lock | Show file lock status.. |
| -n | Display network status |
| -ipc | Displays the status of interprocess communication. |
| -unix | Display the status of UNIX domain sockets |
| -tcp | Display the number of bytes in TCP communication |
| -udp | Display the number of bytes in UDP communication. |
| --float | Include the decimal point in the display. |
| --noheaders | Make the header display only once |
| Example: Network and disk status. | ||
# dstat -Tclmdrnt
|
| Example: Show CPU and memory related | ||
# dstat -Tclm
|
| Example: View CPU usage by core. | ||
# dstat -c -C 0,1,total
|
| Example: Output the execution result log to a file. |
| # dstat --output dstat.csv |