最近我的 Ubuntu 16.04 运行缓慢，在使用 Chrome、VLC 播放器、Atom 编辑器等时经常卡住。我需要找出哪个程序正在消耗我的内存。由于我是 Linux 新手，我不知道如何检测并采取措施减少内存消耗。
prefix_108@prefix108-X510UQ:~$ ps -aux
USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND
root 1 0.1 0.0 185624 6152 ? Ss 12:17 0:01 /sbin/init splash
root 2 0.0 0.0 0 0 ? S 12:17 0:00 [kthreadd]
root 4 0.0 0.0 0 0 ? S< 12:17 0:00 [kworker/0:0H]
root 6 0.0 0.0 0 0 ? S< 12:17 0:00 [mm_percpu_wq]
root 7 0.0 0.0 0 0 ? S 12:17 0:00 [ksoftirqd/0]
root 8 0.1 0.0 0 0 ? S 12:17 0:01 [rcu_sched]
root 9 0.0 0.0 0 0 ? S 12:17 0:00 [rcu_bh]
root 10 0.0 0.0 0 0 ? S 12:17 0:00 [migration/0]
root 11 0.0 0.0 0 0 ? S 12:17 0:00 [watchdog/0]
root 12 0.0 0.0 0 0 ? S 12:17 0:00 [cpuhp/0]
root 13 0.0 0.0 0 0 ? S 12:17 0:00 [cpuhp/1]
root 14 0.0 0.0 0 0 ? S 12:17 0:00 [watchdog/1]
root 15 0.0 0.0 0 0 ? S 12:17 0:00 [migration/1]
root 16 0.0 0.0 0 0 ? S 12:17 0:00 [ksoftirqd/1]
root 18 0.0 0.0 0 0 ? S< 12:17 0:00 [kworker/1:0H]
root 19 0.0 0.0 0 0 ? S 12:17 0:00 [cpuhp/2]
root 20 0.0 0.0 0 0 ? S 12:17 0:00 [watchdog/2]
root 21 0.0 0.0 0 0 ? S 12:17 0:00 [migration/2]
root 22 0.0 0.0 0 0 ? S 12:17 0:00 [ksoftirqd/2]
root 24 0.0 0.0 0 0 ? S< 12:17 0:00 [kworker/2:0H]
root 25 0.0 0.0 0 0 ? S 12:17 0:00 [cpuhp/3]
root 26 0.0 0.0 0 0 ? S 12:17 0:00 [watchdog/3]
root 27 0.0 0.0 0 0 ? S 12:17 0:00 [migration/3]
root 28 0.0 0.0 0 0 ? S 12:17 0:00 [ksoftirqd/3]
root 29 0.0 0.0 0 0 ? S 12:17 0:00 [kworker/3:0]
root 30 0.0 0.0 0 0 ? S< 12:17 0:00 [kworker/3:0H]
root 31 0.0 0.0 0 0 ? S 12:17 0:00 [kdevtmpfs]
root 32 0.0 0.0 0 0 ? S< 12:17 0:00 [netns]
root 35 0.2 0.0 0 0 ? S 12:17 0:02 [kworker/2:1]
root 36 0.0 0.0 0 0 ? S 12:17 0:00 [khungtaskd]
root 37 0.0 0.0 0 0 ? S 12:17 0:00 [oom_reaper]
root 38 0.0 0.0 0 0 ? S< 12:17 0:00 [writeback]
root 39 0.0 0.0 0 0 ? S 12:17 0:00 [kcompactd0]
root 40 0.0 0.0 0 0 ? SN 12:17 0:00 [ksmd]
root 41 0.0 0.0 0 0 ? SN 12:17 0:00 [khugepaged]
root 42 0.0 0.0 0 0 ? S< 12:17 0:00 [crypto]
root 43 0.0 0.0 0 0 ? S< 12:17 0:00 [kintegrityd]
root 44 0.0 0.0 0 0 ? S< 12:17 0:00 [kblockd]
root 46 0.0 0.0 0 0 ? S< 12:17 0:00 [ata_sff]
root 47 0.0 0.0 0 0 ? S< 12:17 0:00 [md]
root 48 0.0 0.0 0 0 ? S< 12:17 0:00 [edac-poller]
root 49 0.0 0.0 0 0 ? S< 12:17 0:00 [devfreq_wq]
root 50 0.0 0.0 0 0 ? S< 12:17 0:00 [watchdogd]
root 51 0.0 0.0 0 0 ? S 12:17 0:00 [kworker/u8:1]
root 53 0.0 0.0 0 0 ? S 12:17 0:00 [kauditd]
root 54 0.0 0.0 0 0 ? S 12:17 0:00 [kswapd0]
root 55 0.0 0.0 0 0 ? S 12:17 0:00 [ecryptfs-kthrea]
root 97 0.0 0.0 0 0 ? S< 12:17 0:00 [kthrotld]
root 98 0.0 0.0 0 0 ? S< 12:17 0:00 [acpi_thermal_pm]
root 104 0.0 0.0 0 0 ? S< 12:17 0:00 [ipv6_addrconf]
root 129 0.0 0.0 0 0 ? S< 12:17 0:00 [charger_manager]
root 175 0.0 0.0 0 0 ? S 12:17 0:00 [scsi_eh_0]
root 176 0.0 0.0 0 0 ? S< 12:17 0:00 [scsi_tmf_0]
root 177 0.0 0.0 0 0 ? S 12:17 0:00 [scsi_eh_1]
root 178 0.0 0.0 0 0 ? S< 12:17 0:00 [scsi_tmf_1]
root 180 0.0 0.0 0 0 ? S< 12:17 0:00 [nvkm-disp]
root 181 0.1 0.0 0 0 ? S 12:17 0:01 [i915/signal:0]
root 182 0.0 0.0 0 0 ? S 12:17 0:00 [i915/signal:1]
root 183 0.0 0.0 0 0 ? S 12:17 0:00 [i915/signal:2]
root 184 0.0 0.0 0 0 ? S 12:17 0:00 [i915/signal:4]
root 185 0.1 0.0 0 0 ? S 12:17 0:00 [kworker/u8:3]
root 187 0.0 0.0 0 0 ? S< 12:17 0:00 [kworker/3:1H]
root 188 0.0 0.0 0 0 ? S< 12:17 0:00 [kworker/1:1H]
root 190 0.0 0.0 0 0 ? S< 12:17 0:00 [kworker/0:1H]
root 191 0.0 0.0 0 0 ? S< 12:17 0:00 [kworker/2:1H]
root 192 0.0 0.0 0 0 ? S< 12:17 0:00 [ttm_swap]
root 214 0.0 0.0 0 0 ? S 12:17 0:00 [jbd2/sda9-8]
root 215 0.0 0.0 0 0 ? S< 12:17 0:00 [ext4-rsv-conver]
root 245 0.0 0.0 35404 5092 ? Ss 12:17 0:00 /lib/systemd/systemd-journald
root 260 0.5 0.0 46768 5592 ? Ss 12:17 0:05 /lib/systemd/systemd-udevd
root 261 0.0 0.0 0 0 ? S 12:17 0:00 [kworker/1:2]
root 271 0.1 0.0 0 0 ? S 12:17 0:01 [kworker/3:3]
root 298 0.0 0.0 0 0 ? S 12:17 0:00 [kworker/u8:4]
root 376 0.0 0.0 0 0 ? S< 12:17 0:00 [asus_wireless_w]
root 377 0.0 0.0 0 0 ? S< 12:17 0:00 [loop0]
root 383 0.0 0.0 0 0 ? S< 12:17 0:00 [loop1]
root 384 0.0 0.0 0 0 ? S< 12:17 0:00 [loop2]
root 416 0.0 0.0 0 0 ? S 12:17 0:00 [irq/128-mei_me]
root 421 0.0 0.0 0 0 ? S 12:17 0:00 [irq/109-ELAN130]
root 440 0.0 0.0 0 0 ? S< 12:17 0:00 [cfg80211]
root 484 0.8 0.0 0 0 ? S 12:17 0:08 [irq/129-iwlwifi]
root 485 0.0 0.0 0 0 ? S< 12:17 0:00 [kworker/u9:0]
systemd+ 491 0.0 0.0 102384 2580 ? Ssl 12:17 0:00 /lib/systemd/systemd-timesyncd
root 499 0.0 0.0 0 0 ? S< 12:17 0:00 [kworker/u9:1]
root 509 0.0 0.0 0 0 ? S< 12:17 0:00 [led_workqueue]
root 628 0.0 0.0 0 0 ? S 12:17 0:00 [spi32766]
root 979 0.0 0.0 4396 1316 ? Ss 12:17 0:00 /usr/sbin/acpid
root 981 0.0 0.0 28660 3200 ? Ss 12:17 0:00 /lib/systemd/systemd-logind
root 985 0.0 0.1 298816 8612 ? Ssl 12:17 0:00 /usr/lib/accountsservice/accounts-daemon
avahi 1041 0.0 0.0 44920 3240 ? Ss 12:17 0:00 avahi-daemon: running [prefix108-X510UQ.local]
root 1046 0.0 0.1 173808 9104 ? Ssl 12:17 0:00 /usr/sbin/thermald --no-daemon --dbus-enable
root 1084 0.0 0.0 36404 3312 ? Ss 12:17 0:00 /usr/sbin/cron -f
message+ 1085 0.1 0.0 44464 5472 ? Ss 12:17 0:01 /usr/bin/dbus-daemon --system --address=systemd: --nofork --nopidfile --systemd-a
root 1110 0.0 0.0 32092 4208 ? Ss 12:17 0:00 /usr/lib/bluetooth/bluetoothd
root 1114 0.0 0.0 236260 2864 ? Ssl 12:17 0:00 /usr/bin/lxcfs /var/lib/lxcfs/
root 1118 0.0 0.2 389904 18204 ? Ssl 12:17 0:00 /usr/sbin/NetworkManager --no-daemon
syslog 1122 0.0 0.0 256392 3440 ? Ssl 12:17 0:00 /usr/sbin/rsyslogd -n
root 1127 0.0 0.3 308600 27196 ? Ssl 12:17 0:00 /usr/lib/snapd/snapd
root 1212 0.0 0.0 19600 264 ? Ss 12:17 0:00 /usr/sbin/irqbalance --pid=/var/run/irqbalance.pid
avahi 1247 0.0 0.0 44788 336 ? S 12:17 0:00 avahi-daemon: chroot helper
root 1274 0.0 0.1 292200 8092 ? SLsl 12:17 0:00 /usr/sbin/lightdm
root 1339 9.7 1.5 460972 123992 tty7 Ssl+ 12:17 1:29 /usr/lib/xorg/Xorg -core :0 -seat seat0 -auth /var/run/lightdm/root/:0 -nolisten
colord 1377 0.0 0.1 320980 12896 ? Ssl 12:17 0:00 /usr/lib/colord/colord
root 1409 0.0 0.1 304832 11048 ? Ssl 12:17 0:00 /usr/lib/policykit-1/polkitd --no-debug
root 1528 0.0 0.0 44032 7080 ? Ss 12:17 0:00 /sbin/wpa_supplicant -u -s -O /run/wpa_supplicant
whoopsie 1555 0.0 0.1 378512 12800 ? Ssl 12:17 0:00 /usr/bin/whoopsie -f
root 1582 0.0 0.0 23328 1760 tty1 Ss+ 12:17 0:00 /sbin/agetty --noclear tty1 linux
lxc-dns+ 1714 0.0 0.0 60260 408 ? S 12:17 0:00 dnsmasq -u lxc-dnsmasq --strict-order --bind-interfaces --pid-file=/run/lxc/dnsma
root 1763 0.0 0.4 370128 32652 ? Ss 12:17 0:00 php-fpm: master process (/etc/php/7.0/fpm/php-fpm.conf)
www-data 1765 0.0 0.1 370128 8168 ? S 12:17 0:00 php-fpm: pool www
www-data 1766 0.0 0.1 370128 8168 ? S 12:17 0:00 php-fpm: pool www
root 1875 0.0 0.0 28568 3720 ? S 12:17 0:00 /bin/bash /usr/bin/mysqld_safe
mysql 2042 0.1 0.7 626784 62512 ? Sl 12:17 0:01 /usr/sbin/mysqld --basedir=/usr --datadir=/var/lib/mysql --plugin-dir=/usr/lib/my
root 2043 0.0 0.0 33484 1424 ? S 12:17 0:00 logger -t mysqld -p daemon error
root 2053 0.0 0.4 402128 34520 ? Ss 12:17 0:00 /usr/sbin/apache2 -k start
root 2312 0.0 0.0 232384 6260 ? Sl 12:18 0:00 lightdm --session-child 12 19
rtkit 2372 0.0 0.0 183548 2916 ? SNsl 12:18 0:00 /usr/lib/rtkit/rtkit-daemon
root 2392 0.0 0.0 0 0 ? S< 12:18 0:00 [krfcommd]
prefix_+ 2468 0.0 0.0 45388 5260 ? Ss 12:18 0:00 /lib/systemd/systemd --user
prefix_+ 2469 0.0 0.0 147708 2344 ? S 12:18 0:00 (sd-pam)
prefix_+ 2502 0.0 0.1 213456 8052 ? SLl 12:18 0:00 /usr/bin/gnome-keyring-daemon --daemonize --login
root 2505 0.0 0.0 16124 3664 ? S 12:18 0:00 /sbin/dhclient -d -q -sf /usr/lib/NetworkManager/nm-dhcp-helper -pf /var/run/dhcl
prefix_+ 2507 0.0 0.0 53876 4984 ? Ss 12:18 0:00 /sbin/upstart --user
nobody 2526 0.0 0.0 60260 4240 ? S 12:18 0:00 /usr/sbin/dnsmasq --no-resolv --keep-in-foreground --no-hosts --bind-interfaces -
prefix_+ 2710 0.0 0.0 40256 280 ? S 12:18 0:00 upstart-udev-bridge --daemon --user
prefix_+ 2711 0.4 0.0 44176 4724 ? Ss 12:18 0:03 dbus-daemon --fork --session --address=unix:abstract=/tmp/dbus-tS2fCdU54A
prefix_+ 2723 0.0 0.1 93752 8936 ? Ss 12:18 0:00 /usr/lib/x86_64-linux-gnu/hud/window-stack-bridge
prefix_+ 2743 0.4 0.1 439996 9176 ? Ssl 12:18 0:04 /usr/bin/ibus-daemon --daemonize --xim --address unix:tmpdir=/tmp/ibus
prefix_+ 2761 0.0 0.0 281912 6616 ? Sl 12:18 0:00 /usr/lib/gvfs/gvfsd
prefix_+ 2766 0.0 0.0 419968 7044 ? Sl 12:18 0:00 /usr/lib/gvfs/gvfsd-fuse /run/user/1000/gvfs -f -o big_writes
prefix_+ 2775 0.0 0.1 284968 8244 ? Sl 12:18 0:00 /usr/lib/ibus/ibus-dconf
prefix_+ 2779 0.0 0.0 40188 300 ? S 12:18 0:00 upstart-dbus-bridge --daemon --system --user --bus-name system
prefix_+ 2781 0.1 0.0 40260 1752 ? S 12:18 0:01 upstart-dbus-bridge --daemon --session --user --bus-name session
prefix_+ 2785 0.0 0.0 48680 388 ? S 12:18 0:00 upstart-file-bridge --daemon --user
prefix_+ 2788 0.1 0.4 493508 32840 ? Sl 12:18 0:01 /usr/lib/ibus/ibus-ui-gtk3
prefix_+ 2792 0.0 0.3 443548 24176 ? Sl 12:18 0:00 /usr/lib/ibus/ibus-x11 --kill-daemon
prefix_+ 2801 0.0 0.1 353876 8104 ? Sl 12:18 0:00 /usr/lib/at-spi2-core/at-spi-bus-launcher
prefix_+ 2806 0.0 0.0 43028 4080 ? S 12:18 0:00 /usr/bin/dbus-daemon --config-file=/etc/at-spi2/accessibility.conf --nofork --pri
prefix_+ 2808 0.0 0.0 206868 4972 ? Sl 12:18 0:00 /usr/lib/at-spi2-core/at-spi2-registryd --use-gnome-session
prefix_+ 2819 0.2 0.4 543376 33664 ? Ssl 12:18 0:02 /usr/lib/x86_64-linux-gnu/bamf/bamfdaemon
prefix_+ 2824 0.0 0.0 173928 712 ? Ss 12:18 0:00 gpg-agent --homedir /home/prefix_108/.gnupg --use-standard-socket --daemon
prefix_+ 2834 0.6 0.6 742728 50972 ? Ssl 12:18 0:05 /usr/lib/x86_64-linux-gnu/hud/hud-service
prefix_+ 2836 0.0 0.4 944428 35960 ? Ssl 12:18 0:00 /usr/lib/unity-settings-daemon/unity-settings-daemon
prefix_+ 2850 0.0 0.1 573328 15652 ? Ssl 12:18 0:00 /usr/lib/gnome-session/gnome-session-binary --session=ubuntu
root 2856 0.0 0.1 355096 10612 ? Ssl 12:18 0:00 /usr/lib/upower/upowerd
prefix_+ 2896 0.7 0.5 662624 45404 ? Ssl 12:18 0:06 /usr/lib/x86_64-linux-gnu/unity/unity-panel-service
prefix_+ 2900 0.1 0.0 209084 7884 ? Sl 12:18 0:01 /usr/lib/ibus/ibus-engine-simple
prefix_+ 2929 0.0 0.0 178924 4904 ? Sl 12:18 0:00 /usr/lib/dconf/dconf-service
prefix_+ 2941 0.0 0.0 22368 1116 ? S 12:18 0:00 syndaemon -i 1.0 -t -K -R
prefix_+ 2946 1.8 0.1 442624 12436 ? S<l 12:18 0:16 /usr/bin/pulseaudio --start --log-target=syslog
prefix_+ 2970 0.0 0.1 377576 9524 ? Ssl 12:18 0:00 /usr/lib/x86_64-linux-gnu/indicator-messages/indicator-messages-service
prefix_+ 2971 0.0 0.0 356640 8024 ? Ssl 12:18 0:00 /usr/lib/x86_64-linux-gnu/indicator-bluetooth/indicator-bluetooth-service
prefix_+ 2972 0.0 0.1 368856 11896 ? Ssl 12:18 0:00 /usr/lib/x86_64-linux-gnu/indicator-power/indicator-power-service
prefix_+ 2975 0.0 0.2 1247148 17192 ? Ssl 12:18 0:00 /usr/lib/x86_64-linux-gnu/indicator-datetime/indicator-datetime-service
prefix_+ 2976 0.0 0.3 729680 26840 ? Ssl 12:18 0:00 /usr/lib/x86_64-linux-gnu/indicator-keyboard/indicator-keyboard-service --use-gtk
prefix_+ 2978 0.1 0.1 683724 13352 ? Ssl 12:18 0:01 /usr/lib/x86_64-linux-gnu/indicator-sound/indicator-sound-service
prefix_+ 2979 0.0 0.3 562764 25936 ? Ssl 12:18 0:00 /usr/lib/x86_64-linux-gnu/indicator-printers/indicator-printers-service
prefix_+ 2988 0.0 0.1 840388 8564 ? Ssl 12:18 0:00 /usr/lib/x86_64-linux-gnu/indicator-session/indicator-session-service
prefix_+ 3030 0.1 0.1 407540 13180 ? Ssl 12:18 0:01 /usr/lib/x86_64-linux-gnu/indicator-application/indicator-application-service
prefix_+ 3055 0.0 0.2 642408 23784 ? Sl 12:18 0:00 /usr/lib/evolution/evolution-source-registry
prefix_+ 3079 0.0 0.2 444760 22404 ? Sl 12:18 0:00 /usr/lib/policykit-1-gnome/polkit-gnome-authentication-agent-1
prefix_+ 3083 2.4 1.0 1494080 84232 ? Sl 12:18 0:21 nautilus -n
prefix_+ 3084 0.0 0.4 605140 35768 ? Sl 12:18 0:00 nm-applet
prefix_+ 3085 0.1 0.9 753444 77676 ? SLl 12:18 0:01 /usr/bin/gnome-software --gapplication-service
prefix_+ 3104 0.2 0.3 526484 25628 ? Sl 12:18 0:02 /usr/bin/indicator-netspeed
prefix_+ 3105 0.0 0.5 564816 41552 ? Sl 12:18 0:00 /usr/bin/python3 /usr/bin/indicator-stickynotes
prefix_+ 3106 0.0 0.2 590096 23392 ? Sl 12:18 0:00 /usr/lib/unity-settings-daemon/unity-fallback-mount-helper
prefix_+ 3117 0.4 0.6 893700 56216 ? Sl 12:18 0:03 /usr/bin/python3 /usr/bin/safeeyes
prefix_+ 3122 0.5 1.6 3543708 132600 ? SLl 12:18 0:04 /usr/share/skypeforlinux/skypeforlinux --executed-from=/home/prefix_108 --pid=311
prefix_+ 3127 18.6 1.7 2714904 144372 ? Ssl 12:18 2:40 compiz
prefix_+ 3130 0.0 0.3 101428060 31560 ? Sl 12:18 0:00 /usr/lib/gnome-online-accounts/goa-daemon
prefix_+ 3138 0.0 0.1 377516 9900 ? Sl 12:18 0:00 /usr/lib/gvfs/gvfs-udisks2-volume-monitor
root 3158 0.0 0.1 382548 10172 ? Ssl 12:18 0:00 /usr/lib/udisks2/udisksd --no-debug
prefix_+ 3184 0.0 0.0 279116 6080 ? Sl 12:18 0:00 /usr/lib/gvfs/gvfs-gphoto2-volume-monitor
prefix_+ 3192 0.0 0.0 266920 4512 ? Sl 12:18 0:00 /usr/lib/gvfs/gvfs-mtp-volume-monitor
prefix_+ 3199 0.0 0.7 881440 60556 ? Sl 12:18 0:00 /usr/lib/evolution/evolution-calendar-factory
prefix_+ 3214 0.0 0.1 411000 9052 ? Sl 12:18 0:00 /usr/lib/gvfs/gvfs-afc-volume-monitor
prefix_+ 3220 0.0 0.0 264928 5532 ? Sl 12:18 0:00 /usr/lib/gvfs/gvfs-goa-volume-monitor
prefix_+ 3250 0.0 0.6 895684 51084 ? Sl 12:18 0:00 /usr/lib/evolution/evolution-calendar-factory-subprocess --factory contacts --bus
prefix_+ 3254 0.0 0.1 296348 8768 ? Sl 12:18 0:00 /usr/lib/gnome-online-accounts/goa-identity-service
prefix_+ 3263 0.0 0.1 392032 12468 ? Sl 12:18 0:00 /usr/lib/telepathy/mission-control-5
prefix_+ 3271 0.0 0.2 704756 19680 ? Sl 12:18 0:00 /usr/lib/evolution/evolution-addressbook-factory
prefix_+ 3273 0.0 0.6 880064 50528 ? Sl 12:18 0:00 /usr/lib/evolution/evolution-calendar-factory-subprocess --factory local --bus-na
prefix_+ 3298 0.0 0.2 780228 19040 ? Sl 12:18 0:00 /usr/lib/evolution/evolution-addressbook-factory-subprocess --factory local --bus
prefix_+ 3321 0.0 0.1 371308 8992 ? Sl 12:18 0:00 /usr/lib/gvfs/gvfsd-trash --spawner :1.4 /org/gtk/gvfs/exec_spaw/0
prefix_+ 3335 0.0 0.5 383864 41148 ? S 12:18 0:00 /usr/share/skypeforlinux/skypeforlinux --type=zygote --no-sandbox
prefix_+ 3369 0.0 0.0 68696 5304 ? S 12:19 0:00 /usr/lib/x86_64-linux-gnu/gconf/gconfd-2
prefix_+ 3419 0.0 1.0 816140 86516 ? Sl 12:19 0:00 /usr/share/skypeforlinux/skypeforlinux --type=gpu-process --no-sandbox --supports
prefix_+ 3467 0.9 2.9 3536624 241376 ? Sl 12:19 0:07 /usr/share/skypeforlinux/skypeforlinux --type=renderer --ms-disable-indexeddb-tra
prefix_+ 4411 0.1 0.2 593696 17476 ? Sl 12:19 0:01 zeitgeist-datahub
prefix_+ 4418 0.0 0.0 4504 808 ? S 12:19 0:00 /bin/sh -c /usr/lib/x86_64-linux-gnu/zeitgeist/zeitgeist-maybe-vacuum; /usr/bin/z
prefix_+ 4422 0.0 0.1 423716 9532 ? Sl 12:19 0:00 /usr/bin/zeitgeist-daemon
prefix_+ 4564 0.0 0.8 372780 67252 ? Sl 12:19 0:00 /usr/lib/x86_64-linux-gnu/zeitgeist-fts
prefix_+ 5284 0.0 0.4 502508 32776 ? Sl 12:19 0:00 /usr/lib/x86_64-linux-gnu/notify-osd
prefix_+ 5434 0.0 0.3 537136 27460 ? Sl 12:19 0:00 update-notifier
prefix_+ 5671 0.0 0.1 371560 8708 ? Sl 12:20 0:00 /usr/lib/gvfs/gvfsd-network --spawner :1.4 /org/gtk/gvfs/exec_spaw/1
root 5710 0.0 0.0 19940 2572 ? Ss 12:20 0:00 /sbin/mount.ntfs /dev/sda6 /media/prefix_108/Programming -o rw,nodev,nosuid,uid=1
prefix_+ 5739 0.0 0.0 193336 4424 ? Sl 12:20 0:00 /usr/lib/gvfs/gvfsd-metadata
prefix_+ 5744 0.0 0.1 448768 8784 ? Sl 12:20 0:00 /usr/lib/x86_64-linux-gnu/deja-dup/deja-dup-monitor
prefix_+ 5774 0.0 0.0 369108 6852 ? Sl 12:20 0:00 /usr/lib/gvfs/gvfsd-dnssd --spawner :1.4 /org/gtk/gvfs/exec_spaw/11
root 6097 0.0 0.0 0 0 ? S 12:22 0:00 [kworker/2:0]
root 6098 0.0 0.0 0 0 ? S 12:22 0:00 [kworker/0:0]
prefix_+ 6117 0.0 0.2 720132 17592 ? Sl 12:22 0:00 /usr/lib/x86_64-linux-gnu/unity-scope-home/unity-scope-home
prefix_+ 6149 0.0 0.2 584852 23916 ? Sl 12:22 0:00 /usr/bin/unity-scope-loader applications/applications.scope applications/scopes.s
prefix_+ 6151 0.0 0.1 523536 14040 ? Sl 12:22 0:00 /usr/lib/x86_64-linux-gnu/unity-lens-files/unity-files-daemon
prefix_+ 6153 0.0 0.1 345360 15044 ? Sl 12:22 0:00 /usr/lib/x86_64-linux-gnu/unity-lens-music/unity-music-daemon
www-data 6588 0.0 0.1 402160 9808 ? S 12:23 0:00 /usr/sbin/apache2 -k start
www-data 6589 0.0 0.1 402160 9808 ? S 12:23 0:00 /usr/sbin/apache2 -k start
www-data 6590 0.0 0.1 402160 9808 ? S 12:23 0:00 /usr/sbin/apache2 -k start
www-data 6591 0.0 0.1 402160 9808 ? S 12:23 0:00 /usr/sbin/apache2 -k start
www-data 6592 0.0 0.1 402160 9808 ? S 12:23 0:00 /usr/sbin/apache2 -k start
root 6642 0.0 0.0 100860 7724 ? Ss 12:23 0:00 /usr/sbin/cupsd -l
root 6644 0.0 0.1 274956 9612 ? Ssl 12:23 0:00 /usr/sbin/cups-browsed
lp 6669 0.0 0.0 81248 5728 ? S 12:23 0:00 /usr/lib/cups/notifier/dbus dbus://
lp 6672 0.0 0.0 81248 5584 ? S 12:23 0:00 /usr/lib/cups/notifier/dbus dbus://
lp 6673 0.0 0.0 81248 5752 ? S 12:23 0:00 /usr/lib/cups/notifier/dbus dbus://
lp 6674 0.0 0.0 81248 5592 ? S 12:23 0:00 /usr/lib/cups/notifier/dbus dbus://
lp 6675 0.0 0.0 81248 5556 ? S 12:23 0:00 /usr/lib/cups/notifier/dbus dbus://
lp 6676 0.0 0.0 81248 5672 ? S 12:23 0:00 /usr/lib/cups/notifier/dbus dbus://
lp 6677 0.0 0.0 81248 5684 ? S 12:23 0:00 /usr/lib/cups/notifier/dbus dbus://
lp 6678 0.0 0.0 81248 5740 ? S 12:23 0:00 /usr/lib/cups/notifier/dbus dbus://
lp 6679 0.0 0.0 81248 5604 ? S 12:23 0:00 /usr/lib/cups/notifier/dbus dbus://
lp 6680 0.0 0.0 81248 5632 ? S 12:23 0:00 /usr/lib/cups/notifier/dbus dbus://
root 6939 0.0 0.0 0 0 ? S 12:26 0:00 [kworker/3:2]
prefix_+ 6966 7.9 2.0 1024096 168212 ? SLl 12:26 0:32 /opt/google/chrome/chrome
prefix_+ 6973 0.0 0.0 14836 668 ? S 12:26 0:00 cat
prefix_+ 6974 0.0 0.0 14836 820 ? S 12:26 0:00 cat
prefix_+ 6977 0.0 0.6 431280 56076 ? S 12:26 0:00 /opt/google/chrome/chrome --type=zygote --enable-crash-reporter=e794b0a6-cf68-4f3
prefix_+ 6978 0.0 0.0 23772 4000 ? S 12:26 0:00 /opt/google/chrome/nacl_helper
prefix_+ 6981 0.0 0.1 431280 13692 ? S 12:26 0:00 /opt/google/chrome/chrome --type=zygote --enable-crash-reporter=e794b0a6-cf68-4f3
prefix_+ 7040 4.8 1.5 568160 121528 ? Sl 12:26 0:19 /opt/google/chrome/chrome --type=gpu-process --field-trial-handle=357899629384001
prefix_+ 7045 0.0 0.1 459536 14140 ? S 12:26 0:00 /opt/google/chrome/chrome --type=-broker
root 7186 0.0 0.0 20064 2648 ? Ss 12:26 0:00 /sbin/mount.ntfs /dev/sda3 /media/prefix_108/Docs -o rw,nodev,nosuid,uid=1000,gid
root 7197 0.0 0.0 0 0 ? S 12:26 0:00 [kworker/u8:0]
prefix_+ 7242 19.3 2.3 1229352 190844 ? Sl 12:27 1:04 /opt/google/chrome/chrome --type=renderer --field-trial-handle=357899629384001314
prefix_+ 7273 30.0 1.9 2090444 153224 ? Sl 12:27 1:37 /usr/bin/vlc --started-from-file /home/prefix_108/Videos/O Fly On - Coldplay.mp4
root 7304 0.0 0.0 0 0 ? S 12:27 0:00 [kworker/1:0]
root 7312 0.0 0.0 0 0 ? S 12:27 0:00 [kworker/0:2]
root 7546 0.0 0.0 0 0 ? S 12:31 0:00 [kworker/2:2]
prefix_+ 7620 4.0 0.4 652368 39448 ? Sl 12:32 0:01 /usr/lib/gnome-terminal/gnome-terminal-server
prefix_+ 7627 0.1 0.0 30056 5504 pts/4 Ss 12:32 0:00 bash
root 7647 0.0 0.0 0 0 ? S 12:32 0:00 [kworker/1:1]
prefix_+ 7660 0.0 0.0 44760 3444 pts/4 R+ 12:33 0:00 ps -aux
enter code here
答案1
如果你使用 htop，那么你可以选择按内存消耗对进程进行排序，并查看哪些进程存在问题。只需输入
htop
在命令行中，然后单击 CPU%。