1 /*- 2 * Copyright (c) 1988, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34 #ifndef lint 35 static char sccsid[] = "@(#)subr.c 8.2 (Berkeley) 4/28/95"; 36 #endif /* not lint */ 37 38 #include <sys/param.h> 39 #include <sys/file.h> 40 #include <sys/user.h> 41 #include <sys/proc.h> 42 #include <sys/time.h> 43 #include <sys/ktrace.h> 44 45 #include <stdio.h> 46 47 #include "ktrace.h" 48 49 getpoints(s) 50 char *s; 51 { 52 int facs = 0; 53 54 while (*s) { 55 switch(*s) { 56 case 'c': 57 facs |= KTRFAC_SYSCALL | KTRFAC_SYSRET; 58 break; 59 case 'n': 60 facs |= KTRFAC_NAMEI; 61 break; 62 case 'i': 63 facs |= KTRFAC_GENIO; 64 break; 65 case 's': 66 facs |= KTRFAC_PSIG; 67 break; 68 case 'w': 69 facs |= KTRFAC_CSW; 70 break; 71 case '+': 72 facs |= DEF_POINTS; 73 break; 74 default: 75 return (-1); 76 } 77 s++; 78 } 79 return (facs); 80 } 81 82 timevaladd(t1, t2) 83 struct timeval *t1, *t2; 84 { 85 t1->tv_sec += t2->tv_sec; 86 t1->tv_usec += t2->tv_usec; 87 timevalfix(t1); 88 } 89 90 timevalsub(t1, t2) 91 struct timeval *t1, *t2; 92 { 93 t1->tv_sec -= t2->tv_sec; 94 t1->tv_usec -= t2->tv_usec; 95 timevalfix(t1); 96 } 97 98 timevalfix(t1) 99 struct timeval *t1; 100 { 101 if (t1->tv_usec < 0) { 102 t1->tv_sec--; 103 t1->tv_usec += 1000000; 104 } 105 if (t1->tv_usec >= 1000000) { 106 t1->tv_sec++; 107 t1->tv_usec -= 1000000; 108 } 109 } 110