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 #include <sys/param.h> 33 #include <sys/file.h> 34 #include <sys/proc.h> 35 #include <sys/time.h> 36 #include <sys/uio.h> 37 #include <sys/ktrace.h> 38 39 #include <stdio.h> 40 41 #include "ktrace.h" 42 43 void timevaladd(struct timeval *, struct timeval *); 44 void timevalsub(struct timeval *, struct timeval *); 45 void timevalfix(struct timeval *); 46 47 int 48 getpoints(char *s) 49 { 50 int facs = 0; 51 52 while (*s) { 53 switch(*s) { 54 case 'c': 55 facs |= KTRFAC_SYSCALL | KTRFAC_SYSRET; 56 break; 57 case 'i': 58 facs |= KTRFAC_GENIO; 59 break; 60 case 'f': 61 facs |= KTRFAC_FAULT | KTRFAC_FAULTEND; 62 break; 63 case 'n': 64 facs |= KTRFAC_NAMEI; 65 break; 66 case 'p': 67 facs |= KTRFAC_CAPFAIL; 68 break; 69 case 's': 70 facs |= KTRFAC_PSIG; 71 break; 72 case 't': 73 facs |= KTRFAC_STRUCT; 74 break; 75 case 'u': 76 facs |= KTRFAC_USER; 77 break; 78 case 'w': 79 facs |= KTRFAC_CSW; 80 break; 81 case 'y': 82 facs |= KTRFAC_SYSCTL; 83 break; 84 case 'a': 85 facs |= KTRFAC_ARGS; 86 break; 87 case 'e': 88 facs |= KTRFAC_ENVS; 89 break; 90 case '+': 91 facs |= DEF_POINTS; 92 break; 93 default: 94 return (-1); 95 } 96 s++; 97 } 98 return (facs); 99 } 100 101 void 102 timevaladd(struct timeval *t1, struct timeval *t2) 103 { 104 t1->tv_sec += t2->tv_sec; 105 t1->tv_usec += t2->tv_usec; 106 timevalfix(t1); 107 } 108 109 void 110 timevalsub(struct timeval *t1, struct timeval *t2) 111 { 112 t1->tv_sec -= t2->tv_sec; 113 t1->tv_usec -= t2->tv_usec; 114 timevalfix(t1); 115 } 116 117 void 118 timevalfix(struct timeval *t1) 119 { 120 if (t1->tv_usec < 0) { 121 t1->tv_sec--; 122 t1->tv_usec += 1000000; 123 } 124 if (t1->tv_usec >= 1000000) { 125 t1->tv_sec++; 126 t1->tv_usec -= 1000000; 127 } 128 } 129