Open a session with a few processes and observers; wait a minute, processor then appear to start running at 100%. PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 5883 mcvet 25 0 384m 89m 46m R 94.2 9.0 1:05.41 FryskGui 2255 root 15 0 128m 21m 5800 S 3.7 2.2 3:21.08 Xorg 2459 mcvet 15 0 270m 19m 5948 R 1.3 1.9 0:09.37 gnome-terminal 2362 mcvet 15 0 151m 6404 4616 S 0.3 0.6 0:04.84 metacity