What does mpstat do in Linux?

The mpstat command writes to standard output activities for each available processor, processor 0 being the first one. Global average activities among all processors are also reported. The mpstat command can be used on both SMP and UP machines, but in the latter, only global average activities will be printed.

What is my CPU idle time Linux?

How To Check CPU Usage from Linux Command Line

1. top Command to View Linux CPU Load. Open a terminal window and enter the following: top.
2. mpstat Command to Display CPU Activity.
3. sar Command to Show CPU Utilization.
4. iostat Command for Average Usage.
5. Nmon Monitoring Tool.
6. Graphical Utility Option.

How do I check my CPU usage manjaro?

How to use htop to check RAM usage on Manjaro. The htop is a command-line tool that provides extensive detail about the functionality of various components, like CPU utilization, memory usage, etc. Interestingly, you can check the memory usage by each process and as a whole system as well.

How use Sysstat Linux?

Linux Sysstat Utilities For Monitoring System Performance

1. CPU Usage. To view current CPU stats, use the sar command with the -u option.
2. Individual CPU Utilization. The majority of modern CPUs are multi-core.
3. Memory Usage. This is where you’ll find the RAM statistics.
4. Examine Your Device’s Usage.
5. Viewing the Current Process.

What does mpstat stand for?

mpstat: per-processor statistics.

What is IO wait in Linux?

I/O wait (iowait) is the percentage of time that the CPU (or CPUs) were idle during which the system had pending disk I/O requests.

What is user time of CPU?

User time is the amount of time the CPU was busy executing code in user space. System time is the amount of time the CPU was busy executing code in kernel space.

How do I read a SAR file?

Report Sar Data Using Start Time (sar -s) When you view historic sar data from the /var/log/sa/saXX file using “sar -f” option, it displays all the sar data for that specific day starting from 12:00 a.m for that day. Using “-s hh:mi:ss” option, you can specify the start time.

How do I configure sysstat?

Configuring sar/sysstat After the installation, make sure to start and enable the sysstat service: sudo systemctl start sysstat. sudo systemctl enable sysstat.