Comments on: Find Top 15 Processes by Memory Usage with ‘top’ in Batch Mode

By: santhosh

santhosh — Mon, 21 Aug 2017 02:35:44 +0000

The following command not working.

[root@models ~]# top -b -o +%MEM | head -n 22
        top: unknown argument 'o'
usage:  top -hv | -abcHimMsS -d delay -n iterations [-u user | -U user] -p pid [,pid ...]

[root@models ~]# top -v
        top: procps version 3.2.8
usage:  top -hv | -abcHimMsS -d delay -n iterations [-u user | -U user] -p pid [,pid ...]

[root@models ~]# uname -r 2.6.32-504.3.3.el6.x86_64 [root@models ~]# uname -mrs Linux 2.6.32-504.3.3.el6.x86_64 x86_64 [root@models ~]# cat /etc/redhat-release CentOS release 6.6 (Final)

By: Ravi Saive

Ravi Saive — Tue, 06 Dec 2016 07:14:40 +0000

In reply to Leonardo P. @Leonardo, I run the same command on my Centos 6.3 and it worked perfectly, here are the result of command.

top - 10:31:45 up  7:41,  6 users,  load average: 0.03, 0.11, 0.37
Tasks: 242 total,   4 running, 238 sleeping,   0 stopped,   0 zombie
%Cpu(s):  2.1 us,  0.7 sy,  0.0 ni, 93.5 id,  3.3 wa,  0.0 hi,  0.3 si,  0.0 st
KiB Mem :  2400608 total,    76864 free,  1887976 used,   435768 buff/cache
KiB Swap:  2097148 total,  1631500 free,   465648 used.   305364 avail Mem 

  PID USER      PR  NI    VIRT    RES    SHR S %CPU %MEM     TIME+ COMMAND
 2600 root      20   0 4426780 753484   4872 S  0.0 31.4  10:56.10 java
30694 tecmint   20   0 1556112 290780  17792 S  0.0 12.1   1:04.00 gnome-shell
 9435 tecmint   20   0  915932  96032  53688 R  0.0  4.0   0:09.01 chrome
  891 gdm       20   0 1392976  81972   9016 S  6.2  3.4   6:49.64 gnome-shell
 9680 tecmint   20   0  846812  45624  24120 S  0.0  1.9   0:00.26 chrome
27554 apache    20   0  598760  41080    720 S  0.0  1.7   0:01.49 httpd
14467 apache    20   0  684580  39840    860 S  0.0  1.7   0:02.38 httpd
30958 tecmint   20   0 1101144  38096   1000 S  0.0  1.6   0:00.36 evolution-calen
 2267 mysql     20   0 1038432  37196    288 S  0.0  1.5   0:15.07 mysqld
14468 apache    20   0  681692  36264    796 S  0.0  1.5   0:01.03 httpd
27468 apache    20   0  685060  34836    508 S  0.0  1.5   0:02.60 httpd
27498 apache    20   0  594544  34584    548 S  0.0  1.4   0:00.60 httpd
27494 apache    20   0  667764  34488    540 S  0.0  1.4   0:00.57 httpd
 9446 tecmint   20   0  486468  30632  21588 S  0.0  1.3   0:00.18 chrome
27493 apache    20   0  590188  29604    748 S  0.0  1.2   0:00.46 httpd

By: Leonardo P

Leonardo P — Tue, 06 Dec 2016 00:07:15 +0000

In reply to Gabriel A. Cánepa.

I have the exact same problem, My distro is Centos 5.8

By: andrej

andrej — Thu, 08 Sep 2016 12:39:11 +0000

top v3.3.10 works fine.
btw: chrome, xorg, chrome, chrome, meld, chrome, chrome, chrome, java, chrome, chrome, chrome, chrome, chrome, chrome
it seems I have too much chrome tabs (74 btw)

By: Mohammad

Mohammad — Wed, 03 Aug 2016 06:00:11 +0000

In reply to Gabriel A. Cánepa.

i have centos 6.7 final.
top version is 3.2.8