looking through the source code, i'm thinking that in /proc/stat: cpu 593139 9367 392256 29106036 cpu0 271777 4322 225835 14548465 cpu1 321362 5045 166421 14557571 the 2nd column = number of seconds the kernel spent in user mode, the 3rd column = number of seconds the kernel spent in nice mode, the 4th column = number of seconds the kernel spent in kernel mode, 1st column is the sum. is this correct? and if so, what exactly is nice mode? pete -- The mathematics [of physics] has become ever more abstract, rather than more complicated. The mind of God appears to be abstract but not complicated. He also appears to like group theory. -- Tony Zee's `Fearful Symmetry' PGP Fingerprint: B9F1 6CF3 47C4 7CD8 D33E 70A9 A3B9 1945 67EA 951D -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ IRC Channel: irc.openprojects.net / #kernelnewbies Web Page: http://www.kernelnewbies.org/