Calculation of various attributes in FreeBSD server
Memory Utilization
Command: export UNIX95;top -d 1 -n 2
Sample Output:
last pid: 69468; load averages: 0.23, 0.13, 0.09 up 439+07:00:37 18:32:00
27 processes: 2 running, 25 sleeping
Mem: 8204K Active, 125M Inact, 100M Wired, 21M Buf, 109M Free
Swap: 410M Total, 13M Used, 397M Free, 3% Inuse
PID USERNAME THR PRI NICE SIZE RES STATE TIME WCPU COMMAND
69461 root 1 28 0 83092K 8196K select 0:00 0.20% sshd
69464 test 1 24 0 83092K 8228K select 0:00 0.20% sshd
Disk Utilization
Command: /bin/df -m
Sample Output:
Filesystem 1M-blocks Used Avail Capacity Mounted on
/dev/da0a 7525 3248 3675 47% /
devfs 0 0 0 100% /dev
CPU Utilization
Command: /usr/bin/vmstat 1 3
Sample Output:
procs memory page disks faults cpu
r b w avm fre flt re pi po fr sr da0 cd0 in sy cs us sy id
1 0 0 434M 113M 25 0 0 0 27 1 0 0 44 72 20 0 0 99
0 0 0 434M 113M 1 0 0 0 0 2 0 0 162 116 362 0 0 100
0 0 0 434M 113M 1 0 0 0 0 2 0 0 174 122 394 0 0 100
CPU Core
Command: /usr/bin/vmstat -n 0 -P 1 3
Sample Output:
procs memory page faults cpu0
r b w avm fre flt re pi po fr sr in sy cs us sy id
1 0 0 434M 113M 25 0 0 0 27 1 44 72 20 0 0 99
0 0 0 434M 113M 3 0 0 0 0 2 216 135 469 0 0 100
0 0 0 434M 113M 0 0 0 0 0 2 112 122 271 0 1 99
Process
Command: /bin/ps -axwwwwwwwwo comm,pcpu,pmem,pid,command|cat
Sample Output:
COMMAND %CPU %MEM PID COMMAND
kernel 0.0 0.0 0 [kernel]
init 0.0 0.0 1 /sbin/init
KTLS 0.0 0.0 2 [KTLS]
crypto 0.0 0.0 3 [crypto]
cam 0.0 0.0 4 [cam]
zfskern 0.0 0.0 5 [zfskern]
rand_harvestq 0.0 0.0 6 [rand_harvestq]
pagedaemon 0.0 0.0 7 [pagedaemon]
vmdaemon 0.0 0.0 8 [vmdaemon]
bufdaemon 0.0 0.0 9 [bufdaemon]
audit 0.0 0.0 10 [audit]
idle 200.0 0.0 11 [idle]
intr 0.0 0.0 12 [intr]
geom 0.0 0.0 13 [geom]
sequencer 00 0.0 0.0 14 [sequencer 00]
usb 0.0 0.0 15 [usb]
vnlru 0.0 0.0 16 [vnlru]
syncer 0.0 0.0 17 [syncer]
dhclient 0.0 0.0 416 dhclient: system.syslog (dhclient)
dhclient 0.0 0.0 419 dhclient: vtnet0 [priv] (dhclient)
dhclient 0.0 0.0 482 dhclient: vtnet0 (dhclient)
devd 0.0 0.0 483 /sbin/devd
syslogd 0.0 0.0 681 /usr/sbin/syslogd -s
ntpd 0.0 0.1 763 /usr/sbin/ntpd -p /var/db/ntp/ntpd.pid -c /etc/ntp.conf -f /var/db/ntp/ntpd.drift
sshd 0.0 0.1 801 sshd: /usr/sbin/sshd [listener] 0 of 10-100 startups (sshd)
sendmail 0.0 0.1 804 sendmail: accepting connections (sendmail)
sendmail 0.0 0.1 807 sendmail: Queue runner@00:30:00 for /var/spool/clientmqueue (sendmail)
cron 0.0 0.0 811 /usr/sbin/cron -s
sshd 0.0 0.1 8526 sshd: test [priv] (sshd)
sshd 0.0 0.1 8528 sshd: test@pts/0 (sshd)
getty 0.0 0.0 826 /usr/libexec/getty Pc ttyv0
getty 0.0 0.0 827 /usr/libexec/getty Pc ttyv1
getty 0.0 0.0 828 /usr/libexec/getty Pc ttyv2
getty 0.0 0.0 829 /usr/libexec/getty Pc ttyv3
getty 0.0 0.0 830 /usr/libexec/getty Pc ttyv4
getty 0.0 0.0 831 /usr/libexec/getty Pc ttyv5
getty 0.0 0.0 832 /usr/libexec/getty Pc ttyv6
getty 0.0 0.0 833 /usr/libexec/getty Pc ttyv7
sh 0.0 0.0 8529 -sh (sh)
ps 0.0 0.0 8532 /bin/ps -axwwwwwwwwo comm,pcpu,pmem,pid,command
cat 0.0 0.0 8533 cat
System Uptime
Command: uptime|cut -d ',' -f1,2|tr -s ' ' '^'|cut -d '^' -f 2-
Sample Output:
6:35PM^up^439^days,^7:04
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