1 /* 2 * Copyright 2005 Sun Microsystems, Inc. All rights reserved. 3 * Use is subject to license terms. 4 */ 5 6 /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ 7 /* All Rights Reserved */ 8 9 /* 10 * Copyright (c) 1980 Regents of the University of California. 11 * All rights reserved. The Berkeley software License Agreement 12 * specifies the terms and conditions for redistribution. 13 */ 14 15 #pragma ident "%Z%%M% %I% %E% SMI" 16 17 /* time programs */ 18 #include <stdio.h> 19 #include <sys/types.h> 20 21 struct tbuffer { 22 long proc_user_time; 23 long proc_system_time; 24 long child_user_time; 25 long child_system_time; 26 }; 27 static long start, user, systm; 28 29 void 30 tick(void) 31 { 32 struct tbuffer tx; 33 time_t tp; 34 times(&tx); 35 time(&tp); 36 user = tx.proc_user_time; 37 systm = tx.proc_system_time; 38 start = tp; 39 } 40 41 void 42 tock(void) 43 { 44 struct tbuffer tx; 45 time_t tp; 46 float lap, use, sys; 47 if (start == 0) 48 return; 49 times(&tx); 50 time(&tp); 51 lap = (tp - start)/60.; 52 use = (tx.proc_user_time - user)/60.; 53 sys = (tx.proc_system_time - systm)/60.; 54 printf("Elapsed %.2f CPU %.2f (user %.2f, sys %.2f)\n", 55 lap, use+sys, use, sys); 56 } 57