blob: b6f011a87bc5980ed829129bde6f21854a128d5a (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
|
# MSTAT
Record the memory usage of a process over time.
# How to use MSTAT
```text
usage: mstat [OPTIONS] [-p PID] | {PROGRAM... ARGS}
-c clobber 'PID#.mstat' if it exists
-h this help message
-o DIR path to output directory (must exist)
-p PID process id to monitor
-s RATE samples per second (default: 1.00)
-v increased verbosity
```
## Monitor an existing process
```shell
$ mstat -p 12345
PID: 12345
Samples per second: 1.00
(interrupt with ctrl-c...)
```
## Monitor a new process
```shell
$ mstat -s 10000 free
PID: 12345
Samples per second: 10000.00
(interrupt with ctrl-c...)
total used free shared buff/cache available
Mem: 28455904 8951836 10728332 476032 8775736 18596172
Swap: 16777212 0 16777212
pid 148257 returned 0
data written: 12345.mstat
```
## Plotting
Requires `gnuplot` to be installed.
- Debian / Ubuntu
- `apt update && apt install gnuplot`
- Fedora / RHEL
- `yum install gnuplot`
- Arch Linux
- `pacman -S gnuplot`
```shell
$ mstat_plot 12345.mstat
```
## CSV export
```shell
$ mstat_export 12345.mstat > 12345.csv
```
|
