= How To Monitor System Utilization

== CPU
Infos can be found [http://www.cyberciti.biz/tips/how-do-i-find-out-linux-cpu-utilization.html here] and [http://stackoverflow.com/questions/9229333/how-to-get-overall-cpu-usage-e-g-57-on-linux here (with examples how to parse output with sed and awk)].

Here are some commands/methods:
* top -bn 1
* iostat -c
* dstat -c
* mpstat #from sysstat package
* sar -u 2 1 #average over 2 seconds, for 1 time
* cat /proc/stat
* ps -eo pcpu,pid,user,args | sort -k 1 -r | head -10


== Memory
* top -bn 1
* dstat -m
* cat /proc/meminfo


== GPU
* nvidia_smi -l 1 #loop every 1 second
* nvidia_smi -q -d UTILIZATION -l 1 --id=0000:02:00 #just show GPU on a specific PCI bus

== Network
* cat /proc/net/dev
* ifstat
* dstat -n
* netstat -a

== Disk I/O
* iostat -d
* dstat -d