forked from iovisor/bcc
-
Notifications
You must be signed in to change notification settings - Fork 2
/
swapin_example.py
48 lines (33 loc) · 991 Bytes
/
swapin_example.py
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
Demonstrations of swapin, the Linux BCC/eBPF version.
This tool counts swapins by process, to show which process is affected by
swapping. For example:
# swapin.py
Counting swap ins. Ctrl-C to end.
13:36:58
COMM PID COUNT
13:36:59
COMM PID COUNT
gnome-shell 2239 12410
13:37:00
COMM PID COUNT
chrome 4536 14635
13:37:01
COMM PID COUNT
gnome-shell 2239 14
cron 1180 23
13:37:02
COMM PID COUNT
gnome-shell 2239 2496
[...]
While tracing, this showed that PID 2239 (gnome-shell) and PID 4536 (chrome)
suffered over ten thousand swapins.
USAGE:
# swapin.py -h
usage: swapin.py [-h] [-T] [interval] [count]
Count swapin events by process.
positional arguments:
interval output interval, in seconds
count number of outputs
optional arguments:
-h, --help show this help message and exit
-T, --notime do not show the timestamp (HH:MM:SS)