1 /*- 2 * SPDX-License-Identifier: BSD-3-Clause 3 * 4 * Copyright (c) 1988, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. Neither the name of the University nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 */ 31 32 #if 0 33 #ifndef lint 34 static char sccsid[] = "@(#)subr.c 8.1 (Berkeley) 6/6/93"; 35 #endif /* not lint */ 36 #endif 37 38 #include <sys/cdefs.h> 39 __FBSDID("$FreeBSD$"); 40 41 #include <sys/param.h> 42 #include <sys/file.h> 43 #include <sys/proc.h> 44 #include <sys/time.h> 45 #include <sys/uio.h> 46 #include <sys/ktrace.h> 47 48 #include <stdio.h> 49 50 #include "ktrace.h" 51 52 void timevaladd(struct timeval *, struct timeval *); 53 void timevalsub(struct timeval *, struct timeval *); 54 void timevalfix(struct timeval *); 55 56 int 57 getpoints(char *s) 58 { 59 int facs = 0; 60 61 while (*s) { 62 switch(*s) { 63 case 'c': 64 facs |= KTRFAC_SYSCALL | KTRFAC_SYSRET; 65 break; 66 case 'i': 67 facs |= KTRFAC_GENIO; 68 break; 69 case 'f': 70 facs |= KTRFAC_FAULT | KTRFAC_FAULTEND; 71 break; 72 case 'n': 73 facs |= KTRFAC_NAMEI; 74 break; 75 case 'p': 76 facs |= KTRFAC_CAPFAIL; 77 break; 78 case 's': 79 facs |= KTRFAC_PSIG; 80 break; 81 case 't': 82 facs |= KTRFAC_STRUCT; 83 break; 84 case 'u': 85 facs |= KTRFAC_USER; 86 break; 87 case 'w': 88 facs |= KTRFAC_CSW; 89 break; 90 case 'y': 91 facs |= KTRFAC_SYSCTL; 92 break; 93 case '+': 94 facs |= DEF_POINTS; 95 break; 96 default: 97 return (-1); 98 } 99 s++; 100 } 101 return (facs); 102 } 103 104 void 105 timevaladd(struct timeval *t1, struct timeval *t2) 106 { 107 t1->tv_sec += t2->tv_sec; 108 t1->tv_usec += t2->tv_usec; 109 timevalfix(t1); 110 } 111 112 void 113 timevalsub(struct timeval *t1, struct timeval *t2) 114 { 115 t1->tv_sec -= t2->tv_sec; 116 t1->tv_usec -= t2->tv_usec; 117 timevalfix(t1); 118 } 119 120 void 121 timevalfix(struct timeval *t1) 122 { 123 if (t1->tv_usec < 0) { 124 t1->tv_sec--; 125 t1->tv_usec += 1000000; 126 } 127 if (t1->tv_usec >= 1000000) { 128 t1->tv_sec++; 129 t1->tv_usec -= 1000000; 130 } 131 } 132