ps_mem
프로세서별 사용하고 있는 메모리양을 확인하는 도구
# yum install -y ps_mem
# ps_mem -help
ps_mem.py - Show process memory usage
-h Show this help
-w <N> Measure and show process memory every N seconds
-p <pid>[,pid2,...pidN] Only show memory usage PIDs in the specified list
-s, --show-cmdline Show cmdline
# free -m
total used free shared buffers cached
Mem: 996 869 126 0 87 290
-/+ buffers/cache: 492 504
Swap: 0 0 0
# ps_mem
Private + Shared = RAM used Program
156.0 KiB + 15.0 KiB = 171.0 KiB mcelog [updated]
408.0 KiB + 35.5 KiB = 443.5 KiB mysqld_safe
440.0 KiB + 43.0 KiB = 483.0 KiB init
484.0 KiB + 123.0 KiB = 607.0 KiB mingetty [updated] (6)
584.0 KiB + 34.5 KiB = 618.5 KiB dbus-daemon
660.0 KiB + 39.5 KiB = 699.5 KiB crond
204.0 KiB + 730.5 KiB = 934.5 KiB udevd (2)
1.3 MiB + 210.5 KiB = 1.5 MiB bash
2.8 MiB + 327.0 KiB = 3.1 MiB packagekitd
3.2 MiB + 692.5 KiB = 3.9 MiB sshd (2)
5.1 MiB + 61.5 KiB = 5.1 MiB rsyslogd
45.9 MiB + 259.0 KiB = 46.1 MiB mysqld [updated]
349.6 MiB + 41.4 MiB = 391.0 MiB httpd (21)
---------------------------------
454.7 MiB
=================================
:: 명령어별 메모리 사용량
# ps_mem -s
Private + Shared = RAM used Program
80.0 KiB + 20.5 KiB = 100.5 KiB /sbin/mingetty /dev/tty5
80.0 KiB + 20.5 KiB = 100.5 KiB /sbin/mingetty /dev/tty4
80.0 KiB + 20.5 KiB = 100.5 KiB /sbin/mingetty /dev/tty6
80.0 KiB + 20.5 KiB = 100.5 KiB /sbin/mingetty /dev/tty3
80.0 KiB + 20.5 KiB = 100.5 KiB /sbin/mingetty /dev/tty2
84.0 KiB + 20.5 KiB = 104.5 KiB /sbin/mingetty /dev/tty1
156.0 KiB + 15.0 KiB = 171.0 KiB /usr/sbin/mcelog --daemon
408.0 KiB + 35.5 KiB = 443.5 KiB /bin/sh /usr/bin/mysqld_safe --datadir=/var/lib/mysql --socket=/var/lib/mysql/mysql.sock --pid-file=/var/run/mysqld/mysqld.pid --basedir=/usr --user=mysql
440.0 KiB + 43.0 KiB = 483.0 KiB /sbin/init
584.0 KiB + 34.5 KiB = 618.5 KiB dbus-daemon --system
660.0 KiB + 39.5 KiB = 699.5 KiB crond
796.0 KiB + 114.0 KiB = 910.0 KiB /usr/sbin/sshd
204.0 KiB + 730.5 KiB = 934.5 KiB /sbin/udevd -d (2)
1.4 MiB + 249.5 KiB = 1.6 MiB -bash
2.5 MiB + 639.5 KiB = 3.1 MiB sshd: root@pts/0
5.1 MiB + 61.5 KiB = 5.1 MiB /sbin/rsyslogd -i /var/run/syslogd.pid -c 5
45.9 MiB + 259.0 KiB = 46.1 MiB /usr/libexec/mysqld --basedir=/usr --datadir=/var/lib/mysql --user=mysql --log-error=/var/log/mysqld.log --pid-file=/var/run/mysqld/mysqld.pid --socket=/var/lib/mysql/mysql.sock
349.6 MiB + 41.4 MiB = 391.0 MiB /usr/sbin/httpd (21)
---------------------------------
451.7 MiB
=================================
:: 2초 단위로 갱신
# ps_mem -w 2
