Re: division and cpu usage

2007-08-25 Thread Luka Napotnik
Hello again. I have the following code: clock_t c_sum, j, p; cputime_t j_tmp; ... c_sum = cputime64_to_clock_t(task-utime) + cputime64_to_clock_t(task-stime); cur_j = jiffies; j_tmp = jiffies64_to_cputime64(cur_j); j = cputime64_to_clock_t(j_tmp); p =

Re: division and cpu usage

2007-08-24 Thread Erik Mouw
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 On Fri, Aug 24, 2007 at 03:18:32AM +0200, Luka Napotnik wrote: I'm new to kernel development and have some questions. 1. Apperently kernel doesn't support operations with floating-point types. How can I then divide a number 265 with the number 7

division and cpu usage

2007-08-23 Thread Luka Napotnik
Hello. I'm new to kernel development and have some questions. 1. Apperently kernel doesn't support operations with floating-point types. How can I then divide a number 265 with the number 7 if I can divide only by 2 with right-shifting? 2. I'm trying to get the percentage of CPU used for a