Hi, can any one tell "explain" the output of readprofile? taking as example the folowing ordered output: 15 handle_IRQ_event 0.1339 11 __generic_copy_to_user 0.1146 6 do_softirq 0.0268 what does the number in the first row means? what is 15? and it's related 0.1339? is 15 a jiffies counter? Daniele. PGP PKEY http://pgp.mit.edu:11371/pks/lookup?search=belch76@libero.it&op=index ICQ# 104896040 Netphone/Fax 178.605.7063 Homepage http://web.tiscali.it/bellucda -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/