1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright 1990 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #pragma ident "%Z%%M% %I% %E% SMI" 28 29 #include <sys/time.h> 30 #include <sys/resource.h> 31 32 /* 33 * Backwards compatible vtimes. 34 */ 35 struct vtimes { 36 int vm_utime; /* user time (60'ths) */ 37 int vm_stime; /* system time (60'ths) */ 38 /* divide next two by utime+stime to get averages */ 39 unsigned vm_idsrss; /* integral of d+s rss */ 40 unsigned vm_ixrss; /* integral of text rss */ 41 int vm_maxrss; /* maximum rss */ 42 int vm_majflt; /* major page faults */ 43 int vm_minflt; /* minor page faults */ 44 int vm_nswap; /* number of swaps */ 45 int vm_inblk; /* block reads */ 46 int vm_oublk; /* block writes */ 47 }; 48 49 static void getvtimes(struct rusage *, struct vtimes *); 50 static int scale60(struct timeval *); 51 52 int 53 vtimes(struct vtimes *par, struct vtimes *chi) 54 { 55 struct rusage ru; 56 57 if (par) { 58 if (getrusage(RUSAGE_SELF, &ru) < 0) 59 return (-1); 60 getvtimes(&ru, par); 61 } 62 if (chi) { 63 if (getrusage(RUSAGE_CHILDREN, &ru) < 0) 64 return (-1); 65 getvtimes(&ru, chi); 66 } 67 return (0); 68 } 69 70 static void 71 getvtimes(struct rusage *aru, struct vtimes *avt) 72 { 73 74 avt->vm_utime = scale60(&aru->ru_utime); 75 avt->vm_stime = scale60(&aru->ru_stime); 76 avt->vm_idsrss = ((aru->ru_idrss+aru->ru_isrss) / 100) * 60; 77 avt->vm_ixrss = aru->ru_ixrss / 100 * 60; 78 avt->vm_maxrss = aru->ru_maxrss; 79 avt->vm_majflt = aru->ru_majflt; 80 avt->vm_minflt = aru->ru_minflt; 81 avt->vm_nswap = aru->ru_nswap; 82 avt->vm_inblk = aru->ru_inblock; 83 avt->vm_oublk = aru->ru_oublock; 84 } 85 86 static int 87 scale60(struct timeval *tvp) 88 { 89 90 return (tvp->tv_sec * 60 + tvp->tv_usec / 16667); 91 } 92