Top Memory consuming processes:
[root@joju ~]$ ps -eo pmem,pcpu,pid,args | tail -n +2 | sort -rnk 1 | head
1.8 0.0 3304 gnome-panel
1.3 0.2 3365 /usr/lib/vmware-tools/sbin64/vmtoolsd -n vmusr --blockFd 3
1.3 0.0 3370 nautilus -n
1.2 0.3 2642 /usr/bin/Xorg :0 -br -verbose -novtswitch -auth /var/run/gdm3/auth-for-Debian- gdm-0vVbZF/database -nolisten tcp vt7
1.0 0.1 3468 gnome-terminal
0.9 0.0 3377 nm-applet
0.8 0.0 3371 gnome-screensaver
0.8 0.0 3357 gnome-sound-applet
0.8 0.0 3267 /usr/lib/gnome-settings-daemon/gnome-settings-daemon
0.7 0.0 3458 /usr/lib/gnome-online-accounts/goa-daemon
Top CPU consuming processes:
[root@joju ~]$ ps -eo pmem,pcpu,pid,args | tail -n +2 | sort -rnk 2 | head
0.1 26.4 5845 find / -name *fg*
1.8 0.0 3304 gnome-panel
1.3 0.3 3365 /usr/lib/vmware-tools/sbin64/vmtoolsd -n vmusr --blockFd 3
1.3 0.3 2642 /usr/bin/Xorg :0 -br -verbose -novtswitch -auth /var/run/gdm3/auth-for-Debian-gdm-0vVbZF/database -nolisten tcp vt7
1.3 0.0 3370 nautilus -n
0.9 0.1 3468 gnome-terminal
0.9 0.0 3377 nm-applet
0.8 0.0 3371 gnome-screensaver
0.8 0.0 3357 gnome-sound-applet
0.8 0.0 3267 /usr/lib/gnome-settings-daemon/gnome-settings-daemon
Explanations:
- ps Report a snapshot of the current processes
- -e Select all processes
- o Specify user-defined format
- pmem,pcpu,pid,args user-defined format: memory,cpu, pid number and command
- | tail -n +2 Output lines starting to the second line (to avoid column names such %MEM, etc ...)
- | sort -rnk 1 reverse (r), numeric sort (n) by column 1 (memory)
- | sort -rnk 2 reverse (r), numeric sort (n) by column 2 (cpu)
- | head output the 10 first lines
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