commandline session
following commandline session may not be accurate.
$vmstat
procs -----------memory---------- ---swap-- -----io---- -system-- ----cpu----
r b swpd free buff cache si so bi bo in cs us sy id wa
1 0 0 2246368 32720 497284 0 0 217 10 236 436 3 1 92 3
$watch vmstat
$watch -n 0.5 vmstat
$watch -n 0.5 iostat
$watch -n 0.5 iostat
$iostat
Linux 3.12.0 (debian) Friday 08 November 2013 _x86_64_ (2 CPU)
avg-cpu: %user %nice %system %iowait %steal %idle
6.64 0.01 2.31 1.80 0.00 89.24
Device: tps kB_read/s kB_wrtn/s kB_read kB_wrtn
sda 8.82 272.09 51.03 696015 130532
$
the following video tutorial content may not be accurate
[youtube https://www.youtube.com/watch?v=8T_GK9dT7ts?rel=0&w=560&h=315]