检查进程使用的sawp

#! /bin/bash

echo -e "PID\t\tSwap\t\tProc_Name"

# 拿出/proc目录下所有以数字为名的目录（进程名是数字才是进程）
(for pid in `ls -l /proc | grep ^d | awk '{ print $8 }'| grep -v ^[^0-9]`
do
    if [ ! -e /proc/$pid ];then
        continue
    fi
    PName=$(cat /proc/$pid/cmdline)
    awk -v name=$PName -v pid=$pid '
    {
         if($1 ~ /^Swap/)
         {
              swap += $2
         }
    }
    END{
        if(swap != 0)
             print pid"\t\t"swap" kb\t\t"name
     }' /proc/$pid/smaps 2>/dev/null
 done) | sort -rnk2

执行结果：

PID        Swap        Proc_Name
356        816 kb        udevd--daemon
355        788 kb        udevd--daemon
265        776 kb        udevd--daemon
507        664 kb        rsyslogd-c4
827        484 kb        /usr/sbin/cupsd-F
617        480 kb        NetworkManager
434        428 kb        /usr/sbin/sshd-D
829        424 kb        gdm-binary
671        420 kb        /usr/lib/policykit-1/polkitd
667        304 kb        /usr/sbin/modem-manager
700        272 kb        /sbin/wpa_supplicant-u-s
732        172 kb        acpid-c/etc/acpi/events-s/var/run/acpid.socket
705        168 kb        /sbin/dhclient-d-4-sf/usr/lib/NetworkManager/nm-dhcp-client.action-pf/var/run/dhclient-eth0.pid-lf/var/lib/dhcp/dhclient-352800b5-14dd-4450-b596-a407f9cebf0f-eth0.lease-cf/var/run/nm-dhclient-eth0.confeth0
252        164 kb        upstart-udev-bridge--daemon
526        136 kb        dbus-daemon--system--fork--activation=upstart
1        120 kb        /sbin/init
735        112 kb        atd
734        112 kb        cron
726        80 kb        /sbin/getty-838400tty2
715        80 kb        /sbin/getty-838400tty4
730        76 kb        /sbin/getty-838400tty6
727        76 kb        /sbin/getty-838400tty3
719        76 kb        /sbin/getty-838400tty5
837        64 kb        /usr/sbin/console-kit-daemon--no-daemon
599        64 kb        upstart-socket-bridge--daemon
1202        4 kb        /usr/bin/gnome-keyring-daemon--daemonize--login
1062        4 kb        /sbin/getty-838400tty1