ubuntu9.10这些进程有什么作用？

[i=s] 本帖最后由 LINUX_COM 于 2010-1-7 12:47 编辑 [/i]

ps axlf | nl
1 F UID PID PPID PRI NI VSZ RSS WCHAN STAT TTY TIME COMMAND
2 1 0 2 0 15 -5 0 0 kthrea S< ? 0:00 [kthreadd]
3 1 0 3 2 -100 - 0 0 migrat S< ? 0:00 \_ [migration/0]
4 1 0 4 2 15 -5 0 0 ? S< ? 0:00 \_ [ksoftirqd/0]
5 5 0 5 2 -100 - 0 0 watchd S< ? 0:00 \_ [watchdog/0]
6 1 0 6 2 15 -5 0 0 worker S< ? 0:00 \_ [events/0]
7 1 0 7 2 15 -5 0 0 worker S< ? 0:00 \_ [cpuset]
8 1 0 8 2 15 -5 0 0 worker S< ? 0:00 \_ [khelper]
9 1 0 9 2 15 -5 0 0 worker S< ? 0:00 \_ [netns]
10 1 0 10 2 15 -5 0 0 async_ S< ? 0:00 \_ [async/mgr]
11 1 0 11 2 15 -5 0 0 worker S< ? 0:00 \_ [kintegrityd/0]
12 1 0 12 2 15 -5 0 0 worker S< ? 0:00 \_ [kblockd/0]
13 1 0 13 2 15 -5 0 0 worker S< ? 0:00 \_ [kacpid]
14 1 0 14 2 15 -5 0 0 worker S< ? 0:00 \_ [kacpi_notify]
15 1 0 15 2 15 -5 0 0 worker S< ? 0:00 \_ [kacpi_hotplug]
16 1 0 16 2 15 -5 0 0 worker S< ? 0:00 \_ [ata/0]
17 1 0 17 2 15 -5 0 0 worker S< ? 0:00 \_ [ata_aux]
18 1 0 18 2 15 -5 0 0 worker S< ? 0:00 \_ [ksuspend_usbd]
19 1 0 19 2 15 -5 0 0 hub_th S< ? 0:00 \_ [khubd]
20 1 0 20 2 15 -5 0 0 serio_ S< ? 0:00 \_ [kseriod]
21 1 0 21 2 15 -5 0 0 worker S< ? 0:00 \_ [kmmcd]
22 1 0 22 2 15 -5 0 0 worker S< ? 0:00 \_ [bluetooth]
23 1 0 23 2 20 0 0 0 watchd S ? 0:00 \_ [khungtaskd]
24 1 0 24 2 20 0 0 0 pdflus S ? 0:00 \_ [pdflush]
25 1 0 25 2 20 0 0 0 pdflus S ? 0:00 \_ [pdflush]
26 1 0 26 2 15 -5 0 0 kswapd S< ? 0:00 \_ [kswapd0]
27 1 0 27 2 15 -5 0 0 worker S< ? 0:00 \_ [aio/0]
28 1 0 28 2 15 -5 0 0 ecrypt S< ? 0:00 \_ [ecryptfs-kthrea]
29 1 0 29 2 15 -5 0 0 worker S< ? 0:00 \_ [crypto/0]
30 1 0 33 2 15 -5 0 0 scsi_e S< ? 0:00 \_ [scsi_eh_0]
31 1 0 34 2 15 -5 0 0 scsi_e S< ? 0:00 \_ [scsi_eh_1]
32 1 0 37 2 15 -5 0 0 worker S< ? 0:00 \_ [kstriped]
33 1 0 38 2 15 -5 0 0 worker S< ? 0:00 \_ [kmpathd/0]
34 1 0 39 2 15 -5 0 0 worker S< ? 0:00 \_ [kmpath_handlerd]
35 1 0 40 2 15 -5 0 0 worker S< ? 0:00 \_ [ksnapd]
36 1 0 41 2 15 -5 0 0 worker S< ? 0:00 \_ [kondemand/0]
37 1 0 42 2 15 -5 0 0 worker S< ? 0:00 \_ [kconservative/0]
38 5 0 43 2 10 -10 0 0 rfcomm S< ? 0:00 \_ [krfcommd]
39 1 0 242 2 15 -5 0 0 worker S< ? 0:00 \_ [i915/0]
40 1 0 245 2 15 -5 0 0 scsi_e S< ? 0:00 \_ [scsi_eh_2]
41 1 0 246 2 15 -5 0 0 usb_st S< ? 0:00 \_ [usb-storage]
42 1 0 331 2 15 -5 0 0 kjourn S< ? 0:00 \_ [kjournald2]
43 1 0 610 2 15 -5 0 0 worker S< ? 0:00 \_ [kpsmoused]
44 1 0 671 2 15 -5 0 0 worker S< ? 0:00 \_ [hd-audio0]
45 4 0 1 0 20 0 2528 1496 poll_s Ss ? 0:01 /sbin/init
46 1 0 393 1 20 0 2148 724 poll_s S ? 0:00 upstart-udev-bridge --daemon
47 5 0 395 1 16 -4 2616 964 poll_s S 48 5 0 575 395 18 -2 2612 988 poll_s S< ? 0:00 \_ udevd --daemon
49 5 0 1912 395 18 -2 2612 880 poll_s S< ? 0:00 \_ udevd --daemon
50 4 0 726 1 20 0 1848 544 syslog Ss ? 0:00 dd bs=1 if=/proc/kmsg of=/var/run/rsyslog/kmsg
51 5 101 769 1 20 0 33432 1420 poll_s Sl ? 0:00 rsyslogd -c4
52 5 102 790 1 20 0 3152 1496 poll_s Ss ? 0:00 dbus-daemon --system --fork
53 5 105 819 1 20 0 2820 1492 poll_s Ss ? 0:00 avahi-daemon: running [w-laptop.local]
54 1 105 820 819 20 0 2820 532 unix_s Ss ? 0:00 \_ avahi-daemon: chroot helper
55 5 107 833 1 20 0 6220 4060 poll_s Ss ? 0:01 hald --daemon=yes
56 0 0 947 833 20 0 3336 1216 poll_s S ? 0:00 \_ hald-runner
57 0 0 1332 947 20 0 3404 1140 poll_s S ? 0:00 \_ /usr/lib/hal/hald-addon-generic-backlight
58 0 0 1333 947 20 0 3408 1120 poll_s S ? 0:00 \_ /usr/lib/hal/hald-addon-rfkill-killswitch
59 4 107 1361 947 20 0 3256 1148 unix_s S ? 0:00 \_ hald-addon-acpi: listening on acpid socket /var/run/acpid.socket
60 0 0 1369 947 20 0 3412 1152 poll_s S ? 0:00 \_ hald-addon-input: Listening on /dev/input/event1 /dev/input/event6 /dev/input/event7 /dev/input/event0 /dev/input/event2 /dev/input/event3 /dev/input/event5
61 4 0 1370 947 20 0 3412 1140 poll_s S ? 0:00 \_ hald-addon-storage: polling /dev/sdb (every 2 sec)
62 4 0 834 1 20 0 8880 3392 poll_s Ss ? 0:00 gdm-binary
63 4 0 957 834 20 0 8784 3436 poll_s S ? 0:00 \_ /usr/lib/gdm/gdm-simple-slave --display-id /org/gnome/DisplayManager/Display1
64 4 0 1019 957 20 0 21044 12388 poll_s Ss+ tty7 0:21 \_ /usr/bin/X :0 -br -verbose -auth /var/run/gdm/auth-for-gdm-dDIsxi/database -nolisten tcp vt7
65 4 0 1632 957 20 0 8896 3000 poll_s S ? 0:00 \_ /usr/lib/gdm/gdm-session-worker
66 4 1000 1673 1632 20 0 27392 7904 poll_s Ssl ? 0:00 \_ gnome-session
67 1 1000 1723 1673 20 0 4916 612 poll_s Ss ? 0:00 \_ /usr/bin/ssh-agent /usr/bin/dbus-launch --exit-with-session /usr/bin/pulse-session gnome-session
68 0 1000 1745 1673 20 0 15568 5084 poll_s S ? 0:01 \_ /usr/lib/at-spi/at-spi-registryd
69 0 1000 1782 1673 20 0 1748 556 wait S ? 0:00 \_ /bin/sh /usr/bin/compiz
70 0 1000 1848 1782 20 0 54324 24056 i915_w S ? 0:06 | \_ /usr/bin/compiz.real --ignore-desktop-hints --replace --sm-client-id 1082a1baa44be76c5126283821697891300000016730024 move resize place decoration animation ccp
71 0 1000 1889 1848 20 0 1748 488 wait Ss ? 0:00 | \_ /bin/sh -c /usr/bin/compiz-decorator
72 0 1000 1890 1889 20 0 35652 12848 poll_s S ? 0:01 | \_ /usr/bin/gtk-window-decorator
73 0 1000 1849 1673 20 0 62220 24788 poll_s S ? 0:07 \_ gnome-panel
74 0 1000 1850 1673 20 0 112472 35708 poll_s S ? 0:07 \_ nautilus
75 0 1000 1860 1673 20 0 35228 13120 poll_s S ? 0:00 \_ nm-applet --sm-disable
76 0 1000 1861 1673 20 0 27516 10984 poll_s S ? 0:00 \_ gnome-power-manager
77 0 1000 1865 1673 20 0 18824 7236 poll_s S ? 0:00 \_ /usr/lib/policykit-1-gnome/polkit-gnome-authentication-agent-1
78 0 1000 1871 1673 20 0 45516 15748 poll_s S ? 0:00 \_ update-notifier --startup-delay=60
79 5 0 843 1 20 0 9292 4276 poll_s Ss ? 0:00 NetworkManager
80 4 0 845 1 20 0 3900 2124 poll_s S ? 0:00 /usr/sbin/modem-manager
81 4 0 848 1 20 0 4932 1660 poll_s S ? 0:00 /sbin/wpa_supplicant -u -s
82 5 0 861 1 20 0 19404 2976 poll_s Ssl ? 0:00 /usr/sbin/console-kit-daemon
83 5 0 958 1 20 0 2956 780 poll_s Ss ? 0:00 /usr/sbin/pppd call dsl-provider
84 0 0 966 1 20 0 1700 544 n_tty_ Ss+ tty4 0:00 /sbin/getty -8 38400 tty4
85 0 0 969 1 20 0 1700 544 n_tty_ Ss+ tty5 0:00 /sbin/getty -8 38400 tty5
86 0 0 1015 1 20 0 1700 548 n_tty_ Ss+ tty2 0:00 /sbin/getty -8 38400 tty2
87 0 0 1016 1 20 0 1700 544 n_tty_ Ss+ tty3 0:00 /sbin/getty -8 38400 tty3
88 0 0 1018 1 20 0 1700 544 n_tty_ Ss+ tty6 0:00 /sbin/getty -8 38400 tty6
89 1 0 1024 1 20 0 2236 1160 poll_s Ss ? 0:00 acpid -c /etc/acpi/events -s /var/run/acpid.socket
90 1 1 1027 1 20 0 1960 420 hrtime Ss ? 0:00 atd
91 1 0 1037 1 20 0 2088 868 hrtime Ss ? 0:00 cron
92 5 113 1342 1 20 0 6564 912 poll_s Ss ? 0:00 /usr/sbin/exim4 -bd -q30m
93 1 109 1362 1 20 0 3340 912 poll_s Ss ? 0:00 /usr/sbin/kerneloops
94 0 0 1539 1 20 0 1700 548 n_tty_ Ss+ tty1 0:00 /sbin/getty -8 38400 tty1
95 1 112 1575 1 20 0 3380 716 poll_s S ? 0:00 /usr/bin/dbus-launch --exit-with-session
96 4 0 1580 1 20 0 5256 2680 poll_s S ? 0:01 /usr/lib/devicekit-power/devkit-power-daemon
97 1 1000 1714 1 20 0 6624 1792 poll_s Ss ? 0:00 /usr/lib/scim-1.0/scim-launcher -d -c simple -e all -f socket --no-stay
98 1 1000 1718 1 20 0 4424 808 poll_s Ss ? 0:00 /usr/lib/scim-1.0/scim-helper-manager
99 1 1000 1719 1 20 0 41992 6484 poll_s Ssl ? 0:00 /usr/lib/scim-1.0/scim-panel-gtk --display :0.0 -c socket -d --no-stay
100 1 1000 1721 1 20 0 6988 868 poll_s Ss ? 0:00 /usr/lib/scim-1.0/scim-launcher -d -c socket -e socket -f x11
101 1 1000 1726 1 20 0 3380 716 poll_s S ? 0:00 /usr/bin/dbus-launch --exit-with-session /usr/bin/pulse-session gnome-session
102 1 1000 1727 1 20 0 2968 1256 poll_s Ss ? 0:00 /bin/dbus-daemon --fork --print-pid 7 --print-address 9 --session
103 1 1000 1731 1 20 0 94300 4444 poll_s Ssl ? 0:00 /usr/bin/pulseaudio --start
104 0 1000 1734 1731 20 0 10628 2904 poll_s S ? 0:00 \_ /usr/lib/pulseaudio/pulse/gconf-helper
105 0 1000 1736 1 20 0 7824 4536 poll_s S ? 0:00 /usr/lib/libgconf2-4/gconfd-2
106 1 1000 1746 1 20 0 41176 3248 poll_s Sl ? 0:00 gnome-keyring-daemon --start
107 1 1000 1749 1 20 0 98400 10052 poll_s Ssl ? 0:00 /usr/lib/gnome-settings-daemon/gnome-settings-daemon
108 0 1000 1751 1 20 0 40852 3380 poll_s Ssl ? 0:00 /usr/lib/bonobo-activation/bonobo-activation-server --ac-activate --ior-output-fd=12
109 1 1000 1753 1 20 0 24408 8760 poll_s Ss ? 0:00 seahorse-daemon
110 0 1000 1755 1 20 0 6016 2216 poll_s S ? 0:00 /usr/lib/gvfs/gvfsd
111 1 1000 1762 1 20 0 29788 2472 futex_ Ssl ? 0:00 /usr/lib/gvfs//gvfs-fuse-daemon /home/w/.gvfs
112 0 1000 1781 1 20 0 43140 14964 poll_s S ? 0:02 /usr/lib/notify-osd/notify-osd
113 0 1000 1790 1 20 0 3164 912 - R ? 0:00 syndaemon -i 0.5 -k
114 0 1000 1856 1 20 0 30924 11556 poll_s S ? 0:00 /usr/lib/gnome-applets/trashapplet --oaf-activate-iid=OAFIID:GNOME_Panel_TrashApplet_Factory --oaf-ior-fd=20
115 0 1000 1858 1 20 0 6488 2884 poll_s S ? 0:00 /usr/lib/gvfs/gvfsd-trash --spawner :1.11 /org/gtk/gvfs/exec_spaw/0
116 0 1000 1863 1 20 0 23260 3332 poll_s S ? 0:00 /usr/lib/gvfs/gvfs-gdu-volume-monitor
117 4 0 1875 1 20 0 5212 3020 poll_s S ? 0:00 /usr/lib/devicekit-disks/devkit-disks-daemon
118 1 0 1876 1875 20 0 4820 752 poll_s S ? 0:00 \_ devkit-disks-daemon: polling /dev/sdb
119 4 0 1884 1 20 0 5956 3520 poll_s S ? 0:00 /usr/lib/policykit-1/polkitd
120 1 1000 1885 1 20 0 19280 3096 poll_s Ss ? 0:00 gnome-screensaver
121 0 1000 1887 1 20 0 6728 2200 poll_s S ? 0:00 /usr/lib/gvfs/gvfs-gphoto2-volume-monitor
122 0 1000 1898 1 20 0 32740 13580 poll_s S ? 0:00 /usr/lib/indicator-applet/indicator-applet-session --oaf-activate-iid=OAFIID:GNOME_FastUserSwitchApplet_Factory --oaf-ior-fd=21
123 0 1000 1900 1 20 0 31856 12352 poll_s S ? 0:00 /usr/lib/indicator-applet/indicator-applet --oaf-activate-iid=OAFIID:GNOME_IndicatorApplet_Factory --oaf-ior-fd=28
124 0 1000 1906 1 20 0 6048 2308 poll_s S ? 0:00 /usr/lib/gvfs/gvfsd-burn --spawner :1.11 /org/gtk/gvfs/exec_spaw/1
125 0 1000 1920 1 20 0 7824 2772 poll_s S ? 0:00 /usr/lib/indicator-messages/indicator-messages-service
126 0 1000 1926 1 20 0 12268 3160 poll_s S ? 0:00 /usr/lib/indicator-session/indicator-status-service
127 0 1000 1928 1 20 0 6528 2100 poll_s S ? 0:00 /usr/lib/indicator-session/indicator-users-service
128 0 1000 1930 1 20 0 7096 2680 poll_s S ? 0:00 /usr/lib/indicator-session/indicator-session-service
129 0 1000 1941 1 20 0 5840 1864 poll_s S ? 0:00 /usr/lib/gvfs/gvfsd-metadata
130 0 1000 1943 1 20 0 56596 17544 poll_s Sl ? 0:01 gnome-terminal
131 0 1000 1946 1943 20 0 1900 712 unix_s S ? 0:00 \_ gnome-pty-helper
132 0 1000 1947 1943 20 0 6368 3448 wait Ss pts/0 0:00 \_ bash
133 0 1000 2057 1947 20 0 2564 864 - R+ pts/0 0:00 \_ ps axlf
134 0 1000 2058 1947 20 0 3168 604 - S+ pts/0 0:00 \_ nl
135 4 0 2027 1 20 0 11648 7336 poll_s S ? 0:00 /usr/bin/python /usr/lib/system-service/system-service-d
136 4 0 2031 1 20 0 15384 9816 poll_s S ? 0:00 /usr/bin/python /usr/sbin/aptd