Trab. SO.

top - 12:07:18 up 11:45,  8 users,  load average: 0.06, 0.13, 0.11
Tasks: 168 total,   2 running, 166 sleeping,   0 stopped,   0 zombie
%Cpu(s):  1.8 us,  0.5 sy,  0.0 ni, 97.7 id,  0.0 wa,  0.0 hi,  0.0 si,  0.0 st
KiB Mem:   3082180 total,  2109120 used,   973060 free,   261808 buffers
KiB Swap:        0 total,        0 used,        0 free.  1075216 cached Mem

  PID USER      PR  NI    VIRT    RES    SHR S  %CPU %MEM     TIME+ COMMAND
 4553 root      20   0  291448  59796  13028 S   2.0  1.9   0:56.06 Xorg
 4983 ubuntu    20   0 1714360 284268  41480 S   1.7  9.2   6:53.12 compiz
 5838 ubuntu    20   0  648064  22916  12332 S   0.7  0.7   0:03.01 gnome-term+
 4686 ubuntu    20   0  478480  16928  10056 S   0.3  0.5   0:00.44 ibus-ui-gt+
    1 root      20   0   33908   3192   1436 S   0.0  0.1   0:01.20 init
    2 root      20   0       0      0      0 S   0.0  0.0   0:00.00 kthreadd
    3 root      20   0       0      0      0 S   0.0  0.0   0:00.01 ksoftirqd/0
    4 root      20   0       0      0      0 S   0.0  0.0   0:00.00 kworker/0:0
    5 root       0 -20       0      0      0 S   0.0  0.0   0:00.00 kworker/0:+
    6 root      20   0       0      0      0 S   0.0  0.0   0:03.55 kworker/u4+
    7 root      20   0       0      0      0 S   0.0  0.0   0:00.77 rcu_sched
    8 root      20   0       0      0      0 S   0.0  0.0   0:00.13 rcuos/0
    9 root      20   0       0      0      0 R   0.0  0.0   0:00.26 rcuos/1
   10 root      20   0       0      0      0 S   0.0  0.0   0:00.00 rcu_bh
   11 root      20   0       0      0      0 S   0.0  0.0   0:00.00 rcuob/0
   12 root      20   0       0      0      0 S   0.0  0.0   0:00.00 rcuob/1
   13 root      rt   0       0      0      0 S   0.0  0.0   0:01.42 migration/0