进程监控
top运行中的说明
Z,B Global: 'Z' change color mappings; 'B' disable/enable bold
l,t,m Toggle Summaries: 'l' load avg; 't' task/cpu stats; 'm' mem info
1,I Toggle SMP view: '1' single/separate states; 'I' Irix/Solaris mode
f,o . Fields/Columns: 'f' add or remove; 'o' change display order
F or O . Select sort field
<,> . Move sort field: '<' next col left; '>' next col right
R,H . Toggle: 'R' normal/reverse sort; 'H' show threads
c,i,S . Toggle: 'c' cmd name/line; 'i' idle tasks; 'S' cumulative time
x,y . Toggle highlights: 'x' sort field; 'y' running tasks
z,b . Toggle: 'z' color/mono; 'b' bold/reverse (only if 'x' or 'y')
u . Show specific user only
n or # . Set maximum tasks displayed
k,r Manipulate tasks: 'k' kill; 'r' renice
d or s Set update interval
W Write configuration file
q Quit
( commands shown with '.' require a visible task display window )
deepfuture@deepfuture-laptop:~$ top
top - 17:27:53 up 8:58, 2 users, load average: 0.26, 0.09, 0.10
Tasks: 137 total, 2 running, 134 sleeping, 0 stopped, 1 zombie
Cpu(s): 9.3%us, 2.0%sy, 0.0%ni, 88.5%id, 0.0%wa, 0.1%hi, 0.1%si, 0.0%st
Mem: 501180k total, 485952k used, 15228k free, 22864k buffers
Swap: 1461872k total, 50532k used, 1411340k free, 141460k cached
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
2479 root 20 0 397m 76m 9084 S 14 15.7 25:36.20 Xorg
11836 deepfutu 20 0 45800 15m 10m S 3 3.3 0:18.65 gnome-terminal
7418 deepfutu 20 0 252m 105m 28m S 2 21.6 78:09.92 firefox
3290 deepfutu 20 0 51884 17m 11m S 1 3.5 2:12.17 gnome-panel
3402 deepfutu 20 0 31604 9.8m 7176 S 1 2.0 0:21.10 gtk-window-deco
3289 deepfutu 20 0 27500 8048 4200 S 0 1.6 3:51.43 compiz.real
3426 deepfutu 20 0 20360 8124 6472 S 0 1.6 2:11.72 gnome-screensav
13933 deepfutu 20 0 2448 1196 912 R 0 0.2 0:00.20 top
3192 deepfutu 20 0 42896 12m 10m S 0 2.6 3:30.67 scim-panel-gtk
3314 deepfutu 20 0 40796 8676 5196 S 0 1.7 0:03.51 gnome-power-man
3483 root 15 -5 0 0 0 S 0 0.0 0:11.94 rt73usb
1 root 20 0 1904 536 484 S 0 0.1 0:01.79 init
2 root 15 -5 0 0 0 S 0 0.0 0:00.00 kthreadd
3 root RT -5 0 0 0 S 0 0.0 0:00.02 migration/0
4 root 15 -5 0 0 0 S 0 0.0 0:01.16 ksoftirqd/0
5 root RT -5 0 0 0 S 0 0.0 0:00.00 watchdog/0
6 root RT -5 0 0 0 S 0 0.0 0:00.05 migration/1
7 root 15 -5 0 0 0 S 0 0.0 0:00.54 ksoftirqd/1
8 root RT -5 0 0 0 S 0 0.0 0:00.00 watchdog/1
9 root 15 -5 0 0 0 S 0 0.0 0:00.56 events/0
10 root 15 -5 0 0 0 S 0 0.0 0:00.02 events/1
11 root 15 -5 0 0 0 S 0 0.0 0:00.00 khelper
内存监控
deepfuture@deepfuture-laptop:~$ free -kb -s 10
total used free shared buffers cached
Mem: 513208320 497172480 16035840 0 23445504 144855040
-/+ buffers/cache: 328871936 184336384
Swap: 1496956928 51744768 1445212160
total used free shared buffers cached
Mem: 513208320 497553408 15654912 0 23445504 144855040
-/+ buffers/cache: 329252864 183955456
Swap: 1496956928 51744768 1445212160
