pmon

pmon is a process wrapper for (simple) resource monitoring, on Linux and Darwin.

Installation

$> go get github.com/sbinet/pmon/...

Examples

$> pmon -h
pmon monitors process resources usage.

Usage:

 $ pmon [options] command [command-arg1 [command-arg2 [...]]]

Example:

 $ pmon my-command arg0 arg1
 $ pmon -- my-command arg0 arg1

Options:
  -freq duration
    	frequence to capture resource usage (default 1s)
  -o string
    	path to file to store resources usage log (default "pmon.data")

$> pmon -freq=1s -o=pmon.data -- my-command arg1 arg2

$> cat pmon.data
# pmon: my-command arg1 arg2
# freq: 1s
# format: pmon.Infos{CPU:0, UTime:0, STime:0, VMem:0, RSS:0, Threads:0, Rchar:0, Wchar:0, Rdisk:0, Wdisk:0}
# start: 2015-01-29 12:09:44.695571123 +0100 CET
0.000000 0.000000 0.000000 4416 848 2 0 0 0 0
1000.000000 1000.000000 0.000000 4416 848 3 0 0 0 0
2000.000000 2000.000000 0.000000 4416 848 3 0 0 0 0
[...]
16970.000000 16970.000000 0.000000 4416 848 3 0 0 0 0
17950.000000 17950.000000 0.000000 4416 848 3 0 0 0 0
18950.000000 18950.000000 0.000000 4416 848 3 0 0 0 0
# elapsed: 20.01032601s
# stop: 2015-01-29 12:10:04.705895667 +0100 CET

Limitations

• I/O monitoring data isn't captured on Darwin