2 @(#)netcpu_procstat.c (c) Copyright 2005-2012 Version 2.6.0";
7    utilization measurements. These are broken-out into a separate file
9    twisty, CPU-util-related, #ifdefs, all different.  raj 2005-01-26
42    percentage. raj 2005-01-26 */
70 static int proc_stat_fd = -1;
117   proc_stat_fd = -1;  in cpu_util_terminate()
234     return (end - start);  in tick_subtract()
237    *  We wrapped, and it is likely that the kernel is suppling 32-bit  in tick_subtract()
238    *  counters, because "start" is less than 32-bits wide.  If that's  in tick_subtract()
240    *  the lower 32-bits so as to get back to unsigned 32-bit  in tick_subtract()
243   return (end - start +  0xffffffff00000000ULL);  in tick_subtract()
252   cpu_states_t diff;  in calc_cpu_util_internal()  local
258      one that the user want for the cpu utilization calculations - for  in calc_cpu_util_internal()
265       ((lib_elapsed - elapsed_time) / elapsed_time);  in calc_cpu_util_internal()
278     diff.user =  in calc_cpu_util_internal()
280     diff.nice =  in calc_cpu_util_internal()
282     diff.sys =  in calc_cpu_util_internal()
284     diff.idle =  in calc_cpu_util_internal()
286     diff.iowait =  in calc_cpu_util_internal()
288     diff.hard_irq =  in calc_cpu_util_internal()
290     diff.soft_irq =  in calc_cpu_util_internal()
292     diff.steal =  in calc_cpu_util_internal()
294     diff.guest =  in calc_cpu_util_internal()
296     diff.guest_nice =  in calc_cpu_util_internal()
298     total_ticks = diff.user + diff.nice + diff.sys + diff.idle + diff.iowait  in calc_cpu_util_internal()
299       + diff.hard_irq + diff.soft_irq + diff.steal  in calc_cpu_util_internal()
300       + diff.guest + diff.guest_nice;  in calc_cpu_util_internal()
310       /* utilization = 100% - %idle */  in calc_cpu_util_internal()
311       lib_local_per_cpu_util[i] = 100. - CPU_STAT_PERCENTIZE(diff.idle);  in calc_cpu_util_internal()
313       lib_local_cpu_stats.cpu_user += CPU_STAT_PERCENTIZE(diff.user);  in calc_cpu_util_internal()
314       lib_local_cpu_stats.cpu_system += CPU_STAT_PERCENTIZE(diff.sys);  in calc_cpu_util_internal()
315       lib_local_cpu_stats.cpu_iowait += CPU_STAT_PERCENTIZE(diff.iowait);  in calc_cpu_util_internal()
316       lib_local_cpu_stats.cpu_irq += CPU_STAT_PERCENTIZE(diff.hard_irq);  in calc_cpu_util_internal()
317       lib_local_cpu_stats.cpu_swintr += CPU_STAT_PERCENTIZE(diff.soft_irq);  in calc_cpu_util_internal()
323               "calc_cpu_util: util on processor %d, diff = %llu %llu %llu "  in calc_cpu_util_internal()
326 	      (unsigned long long)diff.user,  in calc_cpu_util_internal()
327 	      (unsigned long long)diff.nice,  in calc_cpu_util_internal()
328 	      (unsigned long long)diff.sys,  in calc_cpu_util_internal()
329 	      (unsigned long long)diff.idle,  in calc_cpu_util_internal()
330 	      (unsigned long long)diff.iowait,  in calc_cpu_util_internal()
331 	      (unsigned long long)diff.hard_irq,  in calc_cpu_util_internal()
332 	      (unsigned long long)diff.soft_irq,  in calc_cpu_util_internal()
333 	      (unsigned long long)diff.steal,  in calc_cpu_util_internal()
334 	      (unsigned long long)diff.guest,  in calc_cpu_util_internal()