# README
oomstat
oomstat is a very simple tool that prints available memory, free swap and memory pressure (PSI) information every 100ms.
Example output with tail /dev/zero started in the
background is pasted below, more examples are available
in the text files in this directory.
$ ./oomstat
./oomstat
[sudo] password for jakob:
| /proc/meminfo | /proc/pressure/memory
Time | MemAvail SwapFree | some avg10 full avg10
s | MiB MiB | % % % %
- -
[...]
1.5 | 20251 0 | 0 6 0 3
1.6 | 20148 0 | 0 6 0 3
1.7 | 19927 0 | 0 6 0 3
1.8 | 19700 0 | 0 6 0 3
1.9 | 19474 0 | 0 6 0 3
2.0 | 19251 0 | 0 6 0 3
2.1 | 19019 0 | 0 6 0 3
2.2 | 18794 0 | 0 6 0 3
2.3 | 18564 0 | 0 6 0 3
2.4 | 18333 0 | 0 6 0 3
2.5 | 18100 0 | 0 6 0 3
2.6 | 17871 0 | 0 6 0 3
2.7 | 17638 0 | 0 6 0 3
2.8 | 17407 0 | 0 6 0 3
2.9 | 17172 0 | 0 6 0 3
3.0 | 16945 0 | 0 6 0 3
3.1 | 16715 0 | 0 6 0 3
3.2 | 16482 0 | 0 6 0 3
3.3 | 16249 0 | 0 6 0 3
3.4 | 16016 0 | 0 6 0 3
3.5 | 15783 0 | 0 5 0 3
3.6 | 15556 0 | 0 5 0 3
3.7 | 15318 0 | 0 5 0 3
3.8 | 15086 0 | 0 5 0 3
3.9 | 14852 0 | 0 5 0 3
4.0 | 14619 0 | 0 5 0 3
4.1 | 14382 0 | 0 5 0 3
4.2 | 14148 0 | 0 5 0 3
4.3 | 13913 0 | 0 5 0 3
4.4 | 13679 0 | 0 5 0 3
4.5 | 13444 0 | 0 5 0 3
4.6 | 13212 0 | 0 5 0 3
4.7 | 12974 0 | 0 5 0 3
4.8 | 12743 0 | 0 5 0 3
4.9 | 12503 0 | 0 5 0 3
5.0 | 12267 0 | 0 5 0 3
5.1 | 12038 0 | 0 5 0 3
5.2 | 11800 0 | 0 5 0 3
5.3 | 11564 0 | 0 5 0 3
5.4 | 11337 0 | 0 5 0 3
5.5 | 11102 0 | 0 4 0 2
5.6 | 10868 0 | 0 4 0 2
5.7 | 10631 0 | 0 4 0 2
5.8 | 10397 0 | 0 4 0 2
5.9 | 10160 0 | 0 4 0 2
6.0 | 9925 0 | 0 4 0 2
6.1 | 9690 0 | 0 4 0 2
6.2 | 9457 0 | 0 4 0 2
6.3 | 9223 0 | 0 4 0 2
6.4 | 8991 0 | 0 4 0 2
6.5 | 8751 0 | 0 4 0 2
6.6 | 8515 0 | 0 4 0 2
6.7 | 8281 0 | 0 4 0 2
6.8 | 8045 0 | 0 4 0 2
6.9 | 7806 0 | 0 4 0 2
7.0 | 7572 0 | 0 4 0 2
7.1 | 7336 0 | 0 4 0 2
7.2 | 7105 0 | 0 4 0 2
7.3 | 6866 0 | 0 4 0 2
7.4 | 6631 0 | 0 4 0 2
7.5 | 6396 0 | 0 3 0 2
7.6 | 6160 0 | 0 3 0 2
7.7 | 5921 0 | 0 3 0 2
7.8 | 5689 0 | 0 3 0 2
7.9 | 5452 0 | 0 3 0 2
8.0 | 5219 0 | 0 3 0 2
8.1 | 4983 0 | 0 3 0 2
8.2 | 4748 0 | 0 3 0 2
8.3 | 4513 0 | 0 3 0 2
8.4 | 4278 0 | 0 3 0 2
8.5 | 4038 0 | 0 3 0 2
8.6 | 3805 0 | 0 3 0 2
8.7 | 3570 0 | 0 3 0 2
8.8 | 3338 0 | 0 3 0 2
8.9 | 3103 0 | 0 3 0 2
9.0 | 2868 0 | 0 3 0 2
9.1 | 2637 0 | 0 3 0 2
9.2 | 2405 0 | 0 3 0 2
9.3 | 2167 0 | 0 3 0 2
9.4 | 1935 0 | 0 3 0 2
9.5 | 1701 0 | 0 2 0 1
9.6 | 1467 0 | 0 2 0 1
9.7 | 1231 0 | 0 2 0 1
9.8 | 999 0 | 0 2 0 1
9.9 | 767 0 | 0 2 0 1
10.0 | 532 0 | 0 2 0 1
10.1 | 313 0 | 0 2 0 1
10.2 | 91 0 | 5 2 3 1
10.3 | 52 0 | 61 2 43 1
10.4 | 29 0 | 55 2 39 1
10.5 | 0 0 | 64 2 46 1
10.6 | 0 0 | 95 2 75 1
10.7 | 0 0 | 98 2 85 1
11.3 | 0 0 | 99 12 91 9
13.2 | 0 0 | 100 28 91 24
14.3 | 2014 0 | 88 28 47 24
14.4 | 6915 0 | 18 28 10 24
14.5 | 12071 0 | 0 28 0 24
14.6 | 17071 0 | 0 28 0 24
14.7 | 20290 0 | 0 28 0 24
14.8 | 20283 0 | 0 28 0 24
14.9 | 20283 0 | 0 28 0 24
15.0 | 20283 0 | 0 28 0 24
15.1 | 20283 0 | 0 28 0 24
15.2 | 20283 0 | 0 28 0 24
15.3 | 20277 0 | 0 28 0 24
15.4 | 20267 0 | 0 28 0 24
15.5 | 20267 0 | 0 28 0 24
15.6 | 20266 0 | 0 30 0 26
15.7 | 20266 0 | 0 30 0 26
15.8 | 20267 0 | 0 30 0 26
15.9 | 20260 0 | 0 30 0 26
16.0 | 20261 0 | 0 30 0 26
16.1 | 20264 0 | 0 30 0 26
16.2 | 20265 0 | 0 30 0 26
16.3 | 20259 0 | 0 30 0 26
16.4 | 20262 0 | 0 30 0 26