Thanks. For some strange reason that never occurred to me.

PID USER PR NI [B]VIRT[/B] [i]RES[/i] SHR S %CPU %MEM TIME+ COMMAND
7687 alex 15 0 [B]187m[/B] [I]79m[/I] 19m S 2 7.9 12:22.94 swiftfox-bin
7578 alex 15 0 [B]343m[/B] [I]114m[/I] 9428 S 1 11.3 6:03.27 java
7380 root 15 0 [B]304m[/B] [I]238m[/I] 14m S 3 23.6 10:40.51 X
3959 root 15 0 234m 36m 5968 S 6.0 7.5 3:54.15 Xorg
5019 jack 15 0 184m 76m 25m S 2.7 15.7 7:04.15 swiftfox-bin
4507 jack 15 0 34388 18m 13m S 1.0 3.7 0:16.15 kicker
4503 jack 15 0 29652 13m 10m S 0.7 2.8 0:09.67 kwin
6002 jack 15 0 40976 22m 17m S 0.7 4.5 0:04.74 k3b
6060 jack 15 0 33944 17m 13m S 0.7 3.5 0:03.80 konsole
6079 jack 16 0 2248 1140 844 R 0.7 0.2 0:00.25 top