diag Command Examples#
For details, see: Diagnostic Tools.
diag disk#
platform@VOSS:~$ diag disk
Filesystem Size Used Avail Use% Mounted on
udev 3.9G 0 3.9G 0% /dev
tmpfs 1.6G 80M 1.5G 5% /run
/dev/sda1 18G 7.9G 8.9G 47% /
tmpfs 3.9G 3.8M 3.9G 1% /dev/shm
tmpfs 5.0M 0 5.0M 0% /run/lock
tmpfs 3.9G 0 3.9G 0% /sys/fs/cgroup
none 3.9G 8.0K 3.9G 1% /tmp
none 3.9G 0 3.9G 0% /run/shm
/dev/sdb1 9.9G 846M 8.6G 9% /var/log
/dev/sdb2 40G 15G 23G 39% /opt/platform
cgmfs 100K 0 100K 0% /run/cgmanager/fs
/dev/sdc1 50G 9.2G 38G 20% /backups
[...]
diag monitor#
platform@VOSS:~$ diag monitor
2021-02-15 12:59:32.325225
4810.5 Mb used, 2252.8 Mb free, 291 processes
Private + Shared = RAM used Files Sockets CPU usage Program
-0.3 + 0.8 = 0.5 4 0 0 launch.true (20)
-0.0 + 0.5 = 0.5 10 3 0 qmgr
-0.0 + 0.6 = 0.6 10 3 0 pickup
0.0 + 0.2 = 0.2 3 10 0 dbus-daemon
0.0 + 0.1 = 0.1 7 7 0 systemd-udevd
0.1 + 0.2 = 0.3 4 0 0 rbash
0.1 + 0.2 = 0.3 3 21 0 ntpd
0.7 + 0.7 = 1.4 4 3 0 (sd-pam)
[...]
diag monitor list#
platform@VOSS:~$ diag monitor list
The following monitor findings were recorded:
---------------------------------------------
launch.true:
max num_threads = 21 at 2019-10-23 07:10:03.2
systemd:
avg num_sockets = 31
max num_sockets = 33 at 2020-10-02 17:30:03.1
avg num_files = 22
max num_files = 27 at 2020-10-02 17:30:03.2
metric-collecto:
max num_files = 27 at 2021-02-04 11:00:03.8
dockerd-ce:
max mem_private = 94 at 2021-01-27 17:10:03.2
avg num_sockets = 58
max num_sockets = 65 at 2019-10-23 08:30:04.8
avg num_files = 67
max num_files = 78 at 2019-10-23 07:20:03.5
max mem_total = 94 at 2021-01-27 17:10:03.2
scripts.py:
max mem_private = 55 at 2019-10-23 06:20:03.4
max mem_total = 58 at 2019-10-23 06:20:03.4
nginx:
[...]
diag nicstat#
platform@VOSS:~$ diag nicstat
Time Int rKB/s wKB/s rPk/s wPk/s rAvs wAvs %Util Sat
13:01:28 veth64e996f 1.23 6.86 4.29 2.98 292.7 2357.4 0.00 0.00
13:01:28 ens32 0.06 0.60 0.22 0.38 300.5 1621.6 0.00 0.00
13:01:28 veth7b06047 0.00 0.00 0.00 0.00 0.00 72.52 0.00 0.00
13:01:28 veth143e619 0.45 4.08 0.74 0.68 621.0 6172.7 0.00 0.00
13:01:28 lo 0.01 0.01 0.24 0.24 61.94 61.94 0.00 0.00
13:01:28 veth8b143f0 29.02 8.53 28.12 50.87 1056.9 171.8 0.02 0.00
13:01:28 veth6774425 0.04 0.00 0.00 0.00 15564.9 98.22 0.00 0.00
13:01:28 veth7f61555 0.00 0.00 0.00 0.00 0.00 72.52 0.00 0.00
13:01:28 veth1694cf5 0.00 0.00 0.00 0.00 0.00 72.11 0.00 0.00
13:01:28 veth655de40 0.03 0.05 0.28 0.15 123.8 324.7 0.00 0.00
13:01:28 veth76b16c9 0.04 0.09 0.05 0.06 855.2 1523.7 0.00 0.00
13:01:28 docker0 36.91 37.69 78.75 78.69 480.0 490.4 0.00 0.00
13:01:28 veth6f85a4b 0.35 3.94 1.63 1.17 218.6 3460.7 0.00 0.00
13:01:28 veth41ddd78 6.82 14.12 43.64 22.78 160.0 634.7 0.01 0.00
diag ntp#
platform@VOSS:~$ diag ntp
remote refid st t when poll reach delay offset jitter
==============================================================================
*172.39.89.56 196.5.170.4 3 u 241 256 377 0.582 -1.883 1.788
diag free#
platform@VOSS:~$ diag free
total used free shared buff/cache available
Mem: 8174732 5024144 127472 59840 3023116 2714864
Swap: 2096124 270168 1825956
diag iostat#
platform@VOSS:~$ diag iostat
Linux 4.4.0-151-generic (VOSS) 02/15/2021 _x86_64_ (4 CPU)
avg-cpu: %user %nice %system %iowait %steal %idle
1.86 0.00 1.08 0.09 0.00 96.97
Device: tps kB_read/s kB_wrtn/s kB_read kB_wrtn
sdb 2.31 37.31 6.40 47828330 8197356
sdc 0.90 114.40 0.01 146633661 14176
sdd 2.10 0.42 18.24 533207 23383024
sda 1.40 26.37 6.98 33802387 8949616
dm-0 2.53 0.41 18.24 530915 23383024
diag top#
platform@VOSS:~$ diag top
top - 12:48:53 up 14 days, 20:03, 1 user, load average: 0.53, 0.48, 0.30
Tasks: 297 total, 2 running, 295 sleeping, 0 stopped, 0 zombie
%Cpu(s): 1.9 us, 1.0 sy, 0.0 ni, 97.0 id, 0.1 wa, 0.0 hi, 0.1 si, 0.0 st
KiB Mem : 8174732 total, 149012 free, 5032732 used, 2992988 buff/cache
KiB Swap: 2096124 total, 1825764 free, 270360 used. 2706380 avail Mem
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
3165010 root 20 0 40656 3868 3180 R 11.1 0.0 0:00.04 top
3783 snmp 20 0 59296 5968 2960 S 5.6 0.1 27:33.32 snmpd
4915 root 20 0 15944 3184 1352 S 5.6 0.0 134:38.96 docker-p+
8213 www-data 20 0 649084 332456 9660 S 5.6 4.1 445:08.94 python
1 root 20 0 38036 4952 3108 S 0.0 0.1 1:07.13 systemd
2 root 20 0 0 0 0 S 0.0 0.0 0:00.41 kthreadd
diag config platform#
platform@VOSS:~$ diag config platform
platform:
backup:
default: localbackup
locations:
localbackup:
uri: file:///backups
passphrase: sftp://nobody:********@nowhere/
credstore: ********
disa:
inactive_lock_days: 35
max_password_age: 60
max_simultaneous_logins: 10
min_password_age: 1
system_default_umask: 077
user_password_history: 10
user_password_length: 8
drivemounts:
mongodb:
dbroot:
disk: 3a4085ec-b88d-411d-a6c6-e2ea6bb2fefa
format: xfs
mountpoint: /opt/platform/apps/mongodb/dbroot
reserve: 10
services:
SWAPSPACE:
mountpoint: /SWAPSPACE
backups:
disk: a2a3c270-5541-4cfe-87ba-7d61d0f6ccde
mountpoint: /backups
onassign: /opt/platform/apps/services/backup.py --name=localbackup --register-location=file:///backups --force
permission: 1777
location: cpt
[...]
diag config app snmp#
platform@VOSS:~$ diag config app snmp
load1: 4
load15: 2
load5: 1
query: value not set
syscontact: localhost
syslocation: None
sysname: None
diag proc#
platform@VOSS:~$ diag proc
systemd-+-VGAuthService
|-accounts-daemon-+-{gdbus}
| `-{gmain}
|-agetty
|-atd
|-auditd-+-audispd---{audispd}
| `-{auditd}
|-cgmanager
|-containerd-+-containerd-shim-+-nginx---nginx---4*[nginx]
| | `-11*[{containerd-shim}]
| |-containerd-shim-+-mongodb---sudo---mongod-+-{ApplyBa.Journal}
| | | |-{Backgro.kSource}
[...]
|-ntpd
|-rsyslogd-+-syslog_alert.py
| |-{in:imklog}
| |-{in:impstats}
| |-{in:imuxsock}
| `-{rs:main Q:Reg}
|-snmpd
|-snmptrapd
|-sshd---sshd---sshd---rbash---diag---sh---sudo---ui-real.py---execute---pstree
|-stunnel4
|-systemd---(sd-pam)
|-systemd-journal
|-systemd-logind
|-systemd-udevd
`-vmtoolsd---{gmain}
diag stats#
platform@VOSS:~$ diag stats
CONTAINER ID NAME CPU % MEM USAGE / LIMIT MEM % NET I/O BLOCK I/O PIDS
selenium selenium 0.18% 58.8MiB / 7.796GiB 0.74% 32.1kB / 0B 78.9MB / 0B 30
selfservice_ selfservice_node 0.00% 101.9MiB / 7.796GiB 1.28% 32.1kB / 0B 32.6MB / 0B 31
voss-portal voss-portal 0.00% 14.81MiB / 7.796GiB 0.19% 349kB / 58.9MB 31MB / 0B 5
voss-wsgi voss-wsgi 0.90% 570.2MiB / 7.796GiB 7.14% 5.17GB / 456MB 186MB / 0B 10
voss-monitor voss-monitoring 1.29% 189MiB / 7.796GiB 2.37% 62.5MB / 43.8MB 34.8MB / 0B 23
voss-risapi_ voss-risapi_collector 0.10% 106MiB / 7.796GiB 1.33% 5.35GB / 589MB 4.71MB / 0B 3
voss-queue voss-queue 3.57% 315.3MiB / 7.796GiB 3.95% 18.5GB / 8.96GB 5.89MB / 0B 4
voss-cnf_col voss-cnf_collector 0.15% 105.1MiB / 7.796GiB 1.32% 9.02GB / 1.61GB 31MB / 0B 3
mongoarbiter mongoarbiter 1.45% 31.75MiB / 7.796GiB 0.40% 32.3kB / 0B 151MB / 520kB 27
mongodb mongodb 3.22% 2.98GiB / 7.796GiB 38.23% 11.2GB / 38.1GB 1.2GB / 37.4GB 109
nginx nginx 0.03% 21.03MiB / 7.796GiB 0.26% 118MB / 56.1MB 28.4MB / 0B 6
diag tasks#
platform@VOSS:~$ diag tasks
top - 13:04:13 up 14 days, 20:18, 1 user, load average: 0.07, 0.30, 0.27
Tasks: 294 total, 1 running, 293 sleeping, 0 stopped, 0 zombie
%Cpu(s): 1.9 us, 1.0 sy, 0.0 ni, 97.0 id, 0.1 wa, 0.0 hi, 0.1 si, 0.0 st
KiB Mem : 8174732 total, 390904 free, 5046048 used, 2737780 buff/cache
KiB Swap: 2096124 total, 1828992 free, 267132 used. 2655756 avail Mem
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
3168836 root 20 0 40680 3916 3200 R 22.2 0.0 0:00.07 /usr/bin/top -b -n 1 -c -w 230
6680 www-data 20 0 578060 8168 5536 S 5.6 0.1 136:09.89 /opt/voss-deviceapi/go/bin/sysmon
8213 www-data 20 0 649084 332120 9332 S 5.6 4.1 445:41.70 /usr/bin/python /opt/voss-deviceapi/bin/python /opt/voss-deviceapi/src/deviceapi/background/queue.py 30
1 root 20 0 38036 4896 3108 S 0.0 0.1 1:07.29 /sbin/init
2 root 20 0 0 0 0 S 0.0 0.0 0:00.41 [kthreadd]
3 root 20 0 0 0 0 S 0.0 0.0 0:35.52 [ksoftirqd/0]
7 root 20 0 0 0 0 S 0.0 0.0 6:54.66 [rcu_sched]
8 root 20 0 0 0 0 S 0.0 0.0 0:00.00 [rcu_bh]
9 root rt 0 0 0 0 S 0.0 0.0 0:08.10 [migration/0]
10 root rt 0 0 0 0 S 0.0 0.0 0:04.14 [watchdog/0]
11 root rt 0 0 0 0 S 0.0 0.0 0:04.03 [watchdog/1]
12 root rt 0 0 0 0 S 0.0 0.0 0:07.98 [migration/1]
13 root 20 0 0 0 0 S 0.0 0.0 0:34.08 [ksoftirqd/1]
15 root 0 -20 0 0 0 S 0.0 0.0 0:00.00 [kworker/1:0H]
[...]
diag test_connection <host> <port>#
platform@VOSS:~$ diag test_connection www.voss.com 80
Successfully connected to www.voss.com:80
platform@VOSS:~$ diag test_connection www.voss.com 81
Failed to connect to www.voss.com:81
diag top#
platform@VOSS:~$ diag top
top - 13:04:43 up 14 days, 20:19, 1 user, load average: 0.04, 0.27, 0.26
Tasks: 295 total, 1 running, 294 sleeping, 0 stopped, 0 zombie
%Cpu(s): 1.9 us, 1.0 sy, 0.0 ni, 97.0 id, 0.1 wa, 0.0 hi, 0.1 si, 0.0 st
KiB Mem : 8174732 total, 379256 free, 5053288 used, 2742188 buff/cache
KiB Swap: 2096124 total, 1835344 free, 260780 used. 2644160 avail Mem
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
3168863 root 20 0 40656 3860 3176 R 23.5 0.0 0:00.06 top
1 root 20 0 38036 4896 3108 S 0.0 0.1 1:07.29 systemd
2 root 20 0 0 0 0 S 0.0 0.0 0:00.41 kthreadd
3 root 20 0 0 0 0 S 0.0 0.0 0:35.52 ksoftirq+
7 root 20 0 0 0 0 S 0.0 0.0 6:54.69 rcu_sched
8 root 20 0 0 0 0 S 0.0 0.0 0:00.00 rcu_bh
9 root rt 0 0 0 0 S 0.0 0.0 0:08.10 migratio+
10 root rt 0 0 0 0 S 0.0 0.0 0:04.14 watchdog+
11 root rt 0 0 0 0 S 0.0 0.0 0:04.03 watchdog+
12 root rt 0 0 0 0 S 0.0 0.0 0:07.98 migratio+
13 root 20 0 0 0 0 S 0.0 0.0 0:34.08 ksoftirq+
[...]
diag vmstat#
platform@VOSS:~$ diag vmstat
procs -----------memory---------- ---swap-- -----io---- -system-- ------cpu-----
r b swpd free buff cache si so bi bo in cs us sy id wa st
1 0 260780 378512 273412 2468844 0 0 45 8 4 6 2 1 97 0 0