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 * 4. Neither the name of the University nor the names of its contributors 14 * may be used to endorse or promote products derived from this software 15 * without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 */ 29 30 #if 0 31 #ifndef lint 32 static char sccsid[] = "@(#)subr.c 8.1 (Berkeley) 6/6/93"; 33 #endif /* not lint */ 34 #endif 35 36 #include <sys/cdefs.h> 37 __FBSDID("$FreeBSD$"); 38 39 #include <sys/param.h> 40 #include <sys/file.h> 41 #include <sys/proc.h> 42 #include <sys/time.h> 43 #include <sys/uio.h> 44 #include <sys/ktrace.h> 45 46 #include <stdio.h> 47 48 #include "ktrace.h" 49 50 void timevaladd(struct timeval *, struct timeval *); 51 void timevalsub(struct timeval *, struct timeval *); 52 void timevalfix(struct timeval *); 53 54 int 55 getpoints(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 't': 74 facs |= KTRFAC_STRUCT; 75 break; 76 case 'u': 77 facs |= KTRFAC_USER; 78 break; 79 case 'w': 80 facs |= KTRFAC_CSW; 81 break; 82 case 'y': 83 facs |= KTRFAC_SYSCTL; 84 break; 85 case '+': 86 facs |= DEF_POINTS; 87 break; 88 default: 89 return (-1); 90 } 91 s++; 92 } 93 return (facs); 94 } 95 96 void 97 timevaladd(struct timeval *t1, struct timeval *t2) 98 { 99 t1->tv_sec += t2->tv_sec; 100 t1->tv_usec += t2->tv_usec; 101 timevalfix(t1); 102 } 103 104 void 105 timevalsub(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 timevalfix(struct timeval *t1) 114 { 115 if (t1->tv_usec < 0) { 116 t1->tv_sec--; 117 t1->tv_usec += 1000000; 118 } 119 if (t1->tv_usec >= 1000000) { 120 t1->tv_sec++; 121 t1->tv_usec -= 1000000; 122 } 123 } 124