Linux Top Command Memory. Cpu the tasks share of the cpu time. What is virtual memory in top command.
To customize lets begin with the memory scale by pressing e shift e and e then save changes using w shift w and continue from there. Here are two quick examples. Here is the aged server right before restart of php fpm one day after the previous restart.
Virt stands for the virtual size of a process which is the sum of memory it is actually using memory it has mapped into itself for instance the video cards ram for the x server files on disk that have been mapped into it most notably shared libraries and memory shared with other processes.
Later this can be changed with the h interactive command i. Cpu utilization process statistics memory utilization top does it all. Number of iterations specifies the maximum number of iterations or frames top should produce before ending. Top interactive mode.