check what is the CPU usage for each process :
ps -eo pid,vsz,pcpu,pid,args | sort -n -k3
output:
1051 1956 0.0 1051 udevd
118 0 0.0 118 [kseriod]
1 1980 0.0 1 init [5]
13445 5724 0.0 13445 -bash
13549 0 0.0 13549 [pdflush]
14198 3008 0.0 14198 ps -eo pid,vsz,pcpu,pid,args
14199 29368 0.0 14199 sort -n -k3
15782 10328 0.0 15782 vim all_autocheck_fss.pl
183 0 0.0 183 [ata/0]
184 0 0.0 184 [ata/1]
186 0 0.0 186 [scsi_eh_0]
187 0 0.0 187 [scsi_eh_1]
198 0 0.0 198 [kjournald]
21602 11040 0.0 21602 cupsd
2216 2464 0.0 2216 syslogd -m 0
2220 2952 0.0 2220 klogd -x
2231 1852 0.0 2231 irqbalance
2242 3440 0.0 2242 portmap
22545 2012 0.0 22545 in.telnetd: blr-p7106178
22549 3372 0.0 22549 login -- root
2262 1888 0.0 2262 rpc.statd
2295 4800 0.0 2295 rpc.idmapd
23231 2740 0.0 23231 in.telnetd: micro10.nesscorp
23301 3484 0.0 23301 login -- root
2393 3480 0.0 2393 /usr/sbin/acpid
2432 6848 0.0 2432 dovecot-auth
2433 4216 0.0 2433 pop3-login
2434 4344 0.0 2434 pop3-login
2435 4784 0.0 2435 pop3-login
2483 36848 0.0 2483 /usr/sbin/named -u named -t /var/named/chroot
2493 4964 0.0 2493 /usr/sbin/sshd
2511 3028 0.0 2511 xinetd -stayalive -pidfile /var/run/xinetd.pid
2520 4472 0.0 2520 su - varun
2521 4172 0.0 2521 /usr/sbin/vsftpd /etc/vsftpd/vsftpd.conf
2524 4980 0.0 2524 -bash
2540 7220 0.0 2540 sendmail: accepting connections
2548 7660 0.0 2548 sendmail: Queue runner@01:00:00 for /var/spool/clientmqueue
2559 2368 0.0 2559 gpm -m /dev/input/mice -t imps2
2602 19536 0.0 2602 /usr/sbin/cannaserver -syslog -u canna
26164 1860 0.0 26164 in.telnetd: maximoimage
26168 4720 0.0 26168 login -- sriram
26300 6180 0.0 26300 -bash
28135 4928 0.0 28135 -bash
28617 9556 0.0 28617 vim test1.sh
29 0 0.0 29 [kblockd/0]
29174 4836 0.0 29174 -bash
29802 3516 0.0 29802 in.telnetd: blr-p7106178.nesscorp
29806 4572 0.0 29806 login -- root
30 0 0.0 30 [kblockd/1]
3 0 0.0 3 [ksoftirqd/0]
30660 6228 0.0 30660 su - root
31 0 0.0 31 [khubd]
3289 3904 0.0 3289 crond
365 5692 0.0 365 -bash
40 0 0.0 40 [pdflush]
4 0 0.0 4 [migration/1]
4008 4736 0.0 4008 xfs -droppriv -daemon
42 0 0.0 42 [kswapd0]
43 0 0.0 43 [aio/0]
44 0 0.0 44 [aio/1]
4633 10188 0.0 4633 smbd -D
4948 9064 0.0 4948 nmbd -D
5 0 0.0 5 [ksoftirqd/1]
5030 10188 0.0 5030 smbd -D
5245 2196 0.0 5245 /usr/sbin/atd
6 0 0.0 6 [events/0]
6081 3548 0.0 6081 dbus-daemon-1 --system
6287 4236 0.0 6287 cups-config-daemon
6378 8472 0.0 6378 hald
6473 3380 0.0 6473 /sbin/mingetty tty1
6474 3380 0.0 6474 /sbin/mingetty tty2
6475 3292 0.0 6475 /sbin/mingetty tty3
6555 2284 0.0 6555 /sbin/mingetty tty4
6563 1652 0.0 6563 /sbin/mingetty tty5
6564 1548 0.0 6564 /sbin/mingetty tty6
6565 12568 0.0 6565 /usr/bin/gdm-binary -nodaemon
6997 3212 0.0 6997 in.telnetd: maximoimage
7 0 0.0 7 [events/1]
7001 2984 0.0 7001 login -- sriram
7647 13096 0.0 7647 /usr/bin/gdm-binary -nodaemon
7663 12404 0.0 7663 /usr/X11R6/bin/X :0 -audit 0 -auth /var/gdm/:0.Xauth -nolisten tcp vt7
8 0 0.0 8 [khelper]
9 0 0.0 9 [kacpid]
9520 22256 0.0 9520 /usr/bin/gdmgreeter
964 6260 0.0 964 -bash
PID VSZ %CPU PID COMMAND
2 0 0.1 2 [migration/0]
2403 4572 0.1 2403 /usr/sbin/dovecot
2589 3188 5.5 2589 /usr/sbin/htt -retryonerror 0
ps -eo pid,vsz,pcpu,pid,args | sort -n -k3
output:
1051 1956 0.0 1051 udevd
118 0 0.0 118 [kseriod]
1 1980 0.0 1 init [5]
13445 5724 0.0 13445 -bash
13549 0 0.0 13549 [pdflush]
14198 3008 0.0 14198 ps -eo pid,vsz,pcpu,pid,args
14199 29368 0.0 14199 sort -n -k3
15782 10328 0.0 15782 vim all_autocheck_fss.pl
183 0 0.0 183 [ata/0]
184 0 0.0 184 [ata/1]
186 0 0.0 186 [scsi_eh_0]
187 0 0.0 187 [scsi_eh_1]
198 0 0.0 198 [kjournald]
21602 11040 0.0 21602 cupsd
2216 2464 0.0 2216 syslogd -m 0
2220 2952 0.0 2220 klogd -x
2231 1852 0.0 2231 irqbalance
2242 3440 0.0 2242 portmap
22545 2012 0.0 22545 in.telnetd: blr-p7106178
22549 3372 0.0 22549 login -- root
2262 1888 0.0 2262 rpc.statd
2295 4800 0.0 2295 rpc.idmapd
23231 2740 0.0 23231 in.telnetd: micro10.nesscorp
23301 3484 0.0 23301 login -- root
2393 3480 0.0 2393 /usr/sbin/acpid
2432 6848 0.0 2432 dovecot-auth
2433 4216 0.0 2433 pop3-login
2434 4344 0.0 2434 pop3-login
2435 4784 0.0 2435 pop3-login
2483 36848 0.0 2483 /usr/sbin/named -u named -t /var/named/chroot
2493 4964 0.0 2493 /usr/sbin/sshd
2511 3028 0.0 2511 xinetd -stayalive -pidfile /var/run/xinetd.pid
2520 4472 0.0 2520 su - varun
2521 4172 0.0 2521 /usr/sbin/vsftpd /etc/vsftpd/vsftpd.conf
2524 4980 0.0 2524 -bash
2540 7220 0.0 2540 sendmail: accepting connections
2548 7660 0.0 2548 sendmail: Queue runner@01:00:00 for /var/spool/clientmqueue
2559 2368 0.0 2559 gpm -m /dev/input/mice -t imps2
2602 19536 0.0 2602 /usr/sbin/cannaserver -syslog -u canna
26164 1860 0.0 26164 in.telnetd: maximoimage
26168 4720 0.0 26168 login -- sriram
26300 6180 0.0 26300 -bash
28135 4928 0.0 28135 -bash
28617 9556 0.0 28617 vim test1.sh
29 0 0.0 29 [kblockd/0]
29174 4836 0.0 29174 -bash
29802 3516 0.0 29802 in.telnetd: blr-p7106178.nesscorp
29806 4572 0.0 29806 login -- root
30 0 0.0 30 [kblockd/1]
3 0 0.0 3 [ksoftirqd/0]
30660 6228 0.0 30660 su - root
31 0 0.0 31 [khubd]
3289 3904 0.0 3289 crond
365 5692 0.0 365 -bash
40 0 0.0 40 [pdflush]
4 0 0.0 4 [migration/1]
4008 4736 0.0 4008 xfs -droppriv -daemon
42 0 0.0 42 [kswapd0]
43 0 0.0 43 [aio/0]
44 0 0.0 44 [aio/1]
4633 10188 0.0 4633 smbd -D
4948 9064 0.0 4948 nmbd -D
5 0 0.0 5 [ksoftirqd/1]
5030 10188 0.0 5030 smbd -D
5245 2196 0.0 5245 /usr/sbin/atd
6 0 0.0 6 [events/0]
6081 3548 0.0 6081 dbus-daemon-1 --system
6287 4236 0.0 6287 cups-config-daemon
6378 8472 0.0 6378 hald
6473 3380 0.0 6473 /sbin/mingetty tty1
6474 3380 0.0 6474 /sbin/mingetty tty2
6475 3292 0.0 6475 /sbin/mingetty tty3
6555 2284 0.0 6555 /sbin/mingetty tty4
6563 1652 0.0 6563 /sbin/mingetty tty5
6564 1548 0.0 6564 /sbin/mingetty tty6
6565 12568 0.0 6565 /usr/bin/gdm-binary -nodaemon
6997 3212 0.0 6997 in.telnetd: maximoimage
7 0 0.0 7 [events/1]
7001 2984 0.0 7001 login -- sriram
7647 13096 0.0 7647 /usr/bin/gdm-binary -nodaemon
7663 12404 0.0 7663 /usr/X11R6/bin/X :0 -audit 0 -auth /var/gdm/:0.Xauth -nolisten tcp vt7
8 0 0.0 8 [khelper]
9 0 0.0 9 [kacpid]
9520 22256 0.0 9520 /usr/bin/gdmgreeter
964 6260 0.0 964 -bash
PID VSZ %CPU PID COMMAND
2 0 0.1 2 [migration/0]
2403 4572 0.1 2403 /usr/sbin/dovecot
2589 3188 5.5 2589 /usr/sbin/htt -retryonerror 0
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