si: si is the time spent servicing software interrupts.hi: hi is the time spent servicing hardware interrupts.wa: wa means the amount of time spent waiting for I/O request to complete.ni: ni is the time spent to run the process with a custom (manually set) excellent value.sy: sy is the time spent running "kernel space" processes.us: The amount of time it takes to run the process for individual users in the "user space.".Each value indicates how much time the CPU spends performing a task. The resources tab displays last 60 seconds of data in three different graphs for CPU, Memory and Network.In the above output, the main line to focus on is the line number third.
The file systems tab displays the disk usages.įig: Ubuntu System Monitor – File Systems tab To view the system monitor in a bigger window, right click on any one of the system monitor graphs in the task bar, and click on “Open System Monitor”, which will display the System monitor in the bigger window as shown below.įrom the Processes tab, you can view all the process along with their status, %CPU usage, memory used by the process etc., You can also kill a process directly from here.įig: Ubuntu System Monitor – Processes tab
You can change the colors, and the refresh interval.Īfter the above selection, you’ll see 4 graphs in the Ubuntu task bar itself as shown below.įig: Multiple graphs displayed on the Ubuntu task bar Ubuntu System Monitor GUI You can also choose Network, or Swap Space if you like to monitor those.īy default it displays the memory usage in green, cache in light green, process usage in blue, load average in red. Select the following check-boxes under the ‘Monitored Resources’ section. Right mouse click on the Processes graph that is displayed on the task bar panel, and select ‘Preferences’. Fig: Processes Usage Graph on Ubuntu Task Bar Panel Add Memory Usage, Load Average and Disk Usage Graphs to Ubuntu Task Bar Panel
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