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 #if 0 36 static char sccsid[] = "@(#)subr.c 8.1 (Berkeley) 6/6/93"; 37 #endif 38 static const char rcsid[] = 39 "$FreeBSD$"; 40 #endif /* not lint */ 41 42 #include <sys/param.h> 43 #include <sys/file.h> 44 #include <sys/lock.h> 45 #include <sys/user.h> 46 #include <sys/proc.h> 47 #include <sys/time.h> 48 #include <sys/ktrace.h> 49 50 #include <stdio.h> 51 52 #include "ktrace.h" 53 54 getpoints(s) 55 char *s; 56 { 57 int facs = 0; 58 59 while (*s) { 60 switch(*s) { 61 case 'c': 62 facs |= KTRFAC_SYSCALL | KTRFAC_SYSRET; 63 break; 64 case 'n': 65 facs |= KTRFAC_NAMEI; 66 break; 67 case 'i': 68 facs |= KTRFAC_GENIO; 69 break; 70 case 's': 71 facs |= KTRFAC_PSIG; 72 break; 73 case 'u': 74 facs |= KTRFAC_USER; 75 break; 76 case 'w': 77 facs |= KTRFAC_CSW; 78 break; 79 case '+': 80 facs |= DEF_POINTS; 81 break; 82 default: 83 return (-1); 84 } 85 s++; 86 } 87 return (facs); 88 } 89 90 timevaladd(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 timevalsub(t1, t2) 99 struct timeval *t1, *t2; 100 { 101 t1->tv_sec -= t2->tv_sec; 102 t1->tv_usec -= t2->tv_usec; 103 timevalfix(t1); 104 } 105 106 timevalfix(t1) 107 struct timeval *t1; 108 { 109 if (t1->tv_usec < 0) { 110 t1->tv_sec--; 111 t1->tv_usec += 1000000; 112 } 113 if (t1->tv_usec >= 1000000) { 114 t1->tv_sec++; 115 t1->tv_usec -= 1000000; 116 } 117 } 118