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 #if 0 35 #ifndef lint 36 static char sccsid[] = "@(#)subr.c 8.1 (Berkeley) 6/6/93"; 37 #endif /* not lint */ 38 #endif 39 40 #include <sys/cdefs.h> 41 __FBSDID("$FreeBSD$"); 42 43 #include <sys/param.h> 44 #include <sys/file.h> 45 #include <sys/proc.h> 46 #include <sys/time.h> 47 #include <sys/uio.h> 48 #include <sys/ktrace.h> 49 50 #include <stdio.h> 51 52 #include "ktrace.h" 53 54 void timevaladd(struct timeval *, struct timeval *); 55 void timevalsub(struct timeval *, struct timeval *); 56 void timevalfix(struct timeval *); 57 58 int 59 getpoints(char *s) 60 { 61 int facs = 0; 62 63 while (*s) { 64 switch(*s) { 65 case 'c': 66 facs |= KTRFAC_SYSCALL | KTRFAC_SYSRET; 67 break; 68 case 'n': 69 facs |= KTRFAC_NAMEI; 70 break; 71 case 'i': 72 facs |= KTRFAC_GENIO; 73 break; 74 case 's': 75 facs |= KTRFAC_PSIG; 76 break; 77 case 't': 78 facs |= KTRFAC_STRUCT; 79 break; 80 case 'u': 81 facs |= KTRFAC_USER; 82 break; 83 case 'w': 84 facs |= KTRFAC_CSW; 85 break; 86 case '+': 87 facs |= DEF_POINTS; 88 break; 89 default: 90 return (-1); 91 } 92 s++; 93 } 94 return (facs); 95 } 96 97 void 98 timevaladd(struct timeval *t1, struct timeval *t2) 99 { 100 t1->tv_sec += t2->tv_sec; 101 t1->tv_usec += t2->tv_usec; 102 timevalfix(t1); 103 } 104 105 void 106 timevalsub(struct timeval *t1, struct timeval *t2) 107 { 108 t1->tv_sec -= t2->tv_sec; 109 t1->tv_usec -= t2->tv_usec; 110 timevalfix(t1); 111 } 112 113 void 114 timevalfix(struct timeval *t1) 115 { 116 if (t1->tv_usec < 0) { 117 t1->tv_sec--; 118 t1->tv_usec += 1000000; 119 } 120 if (t1->tv_usec >= 1000000) { 121 t1->tv_sec++; 122 t1->tv_usec -= 1000000; 123 } 124 } 125