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 #endif /* not lint */ 39 #include <sys/cdefs.h> 40 __FBSDID("$FreeBSD$"); 41 42 #include <sys/cdefs.h> 43 __FBSDID("$FreeBSD$"); 44 45 #include <sys/param.h> 46 #include <sys/file.h> 47 #include <sys/user.h> 48 #include <sys/proc.h> 49 #include <sys/time.h> 50 #include <sys/ktrace.h> 51 52 #include <stdio.h> 53 54 #include "ktrace.h" 55 56 void timevaladd(struct timeval *, struct timeval *); 57 void timevalsub(struct timeval *, struct timeval *); 58 void timevalfix(struct timeval *); 59 60 int 61 getpoints(char *s) 62 { 63 int facs = 0; 64 65 while (*s) { 66 switch(*s) { 67 case 'c': 68 facs |= KTRFAC_SYSCALL | KTRFAC_SYSRET; 69 break; 70 case 'n': 71 facs |= KTRFAC_NAMEI; 72 break; 73 case 'i': 74 facs |= KTRFAC_GENIO; 75 break; 76 case 's': 77 facs |= KTRFAC_PSIG; 78 break; 79 case 'u': 80 facs |= KTRFAC_USER; 81 break; 82 case 'w': 83 facs |= KTRFAC_CSW; 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