Dingo Dream

Installation

sudo apt-get install atop

system level area

The top area is for system level metrics. There is

• PRC process totals
• CPU
• CPL CPU load information
• MEM
• SWP swap
• PAG paging frequency
• LVM / MDD / DSK logical volume/multiple device/disk utilization
• NET network information

process level area

similar to top.

the output can be controlled:

• g generic output (default)
• m for memory
• d for disk related
• n for network related
• v for various process information
• c for the command line of the process

background running

the daemon is running as a systemd unit:

systemctl status atop

it is restarted daily:

cat /etc/cron.d/atop

it writes historical data to /var/log/atop/ as one file per day

this can be viewed by reading the file:

atop -r /var/log/atop/atop_20150617