see below statistics by "top -u steve", something is wrong with top?
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
3490 steve 20 0 10444 312 248 R 114 0.0 23:33.22 test2
25479 steve 20 0 867m 239m 19m S 38 12.1 411:00.43 chromium-browse
1470 steve 20 0 455m 42m 13m S 11 2.1 283:38.59 compiz
25207 steve 20 0 529m 101m 29m S 7 5.1 29:39.81 chromium-browse
2890 steve 20 0 230m 47m 25m S 4 2.4 2:09.85 codeblocks