1 #ifndef lint 2 static char sccsid[] = "@(#)tick.c 4.2 (Berkeley) 08/11/83"; 3 #endif 4 5 /* time programs */ 6 # include "stdio.h" 7 # include "sys/types.h" 8 # include "sys/timeb.h" 9 struct tbuffer { 10 long proc_user_time; 11 long proc_system_time; 12 long child_user_time; 13 long child_system_time; 14 }; 15 static long start, user, system; 16 tick() 17 { 18 struct tbuffer tx; 19 struct timeb tp; 20 times (&tx); 21 ftime (&tp); 22 user = tx.proc_user_time; 23 system= tx.proc_system_time; 24 start = tp.time*1000+tp.millitm; 25 } 26 tock() 27 { 28 struct tbuffer tx; 29 struct timeb tp; 30 float lap, use, sys; 31 if (start==0) return; 32 times (&tx); 33 ftime (&tp); 34 lap = (tp.time*1000+tp.millitm-start)/1000.; 35 use = (tx.proc_user_time - user)/60.; 36 sys = (tx.proc_system_time - system)/60.; 37 printf("Elapsed %.2f CPU %.2f (user %.2f, sys %.2f)\n", 38 lap, use+sys, use, sys); 39 } 40