1 /*- 2 * Copyright (c) 2007 Robert N. M. Watson 3 * 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 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 * $FreeBSD$ 27 */ 28 29 #include <sys/types.h> 30 #include <sys/sysctl.h> 31 #include <sys/user.h> 32 33 #include <err.h> 34 #include <errno.h> 35 #include <stdio.h> 36 #include <stdlib.h> 37 38 #include "procstat.h" 39 40 void 41 procstat_vm(pid_t pid, struct kinfo_proc *kipp __unused) 42 { 43 struct kinfo_vmentry *freep, *kve; 44 int error, name[4], ptrwidth; 45 unsigned int i; 46 const char *str; 47 size_t len; 48 49 ptrwidth = 2*sizeof(void *) + 2; 50 if (!hflag) 51 printf("%5s %*s %*s %3s %4s %4s %3s %3s %2s %-2s %-s\n", 52 "PID", ptrwidth, "START", ptrwidth, "END", "PRT", "RES", 53 "PRES", "REF", "SHD", "FL", "TP", "PATH"); 54 55 name[0] = CTL_KERN; 56 name[1] = KERN_PROC; 57 name[2] = KERN_PROC_VMMAP; 58 name[3] = pid; 59 60 len = 0; 61 error = sysctl(name, 4, NULL, &len, NULL, 0); 62 if (error < 0 && errno != ESRCH && errno != EPERM) { 63 warn("sysctl: kern.proc.vmmap: %d", pid); 64 return; 65 } 66 if (error < 0) 67 return; 68 69 /* 70 * Especially if running procstat -sv, we may need room for more 71 * mappings when printing than were present when we queried, so pad 72 * out the allocation a bit. 73 */ 74 len += sizeof(*kve) * 3; 75 freep = kve = malloc(len); 76 if (kve == NULL) 77 err(-1, "malloc"); 78 if (sysctl(name, 4, kve, &len, NULL, 0) < 0) { 79 warn("sysctl: kern.proc.vmmap: %d", pid); 80 free(freep); 81 return; 82 } 83 84 for (i = 0; i < (len / sizeof(*kve)); i++, kve++) { 85 if (kve->kve_structsize != sizeof(*kve)) 86 errx(-1, "kinfo_vmentry structure mismatch"); 87 printf("%5d ", pid); 88 printf("%*p ", ptrwidth, kve->kve_start); 89 printf("%*p ", ptrwidth, kve->kve_end); 90 printf("%s", kve->kve_protection & KVME_PROT_READ ? "r" : "-"); 91 printf("%s", kve->kve_protection & KVME_PROT_WRITE ? "w" : "-"); 92 printf("%s ", kve->kve_protection & KVME_PROT_EXEC ? "x" : "-"); 93 printf("%4d ", kve->kve_resident); 94 printf("%4d ", kve->kve_private_resident); 95 printf("%3d ", kve->kve_ref_count); 96 printf("%3d ", kve->kve_shadow_count); 97 printf("%-1s", kve->kve_flags & KVME_FLAG_COW ? "C" : "-"); 98 printf("%-1s ", kve->kve_flags & KVME_FLAG_NEEDS_COPY ? "N" : 99 "-"); 100 switch (kve->kve_type) { 101 case KVME_TYPE_NONE: 102 str = "--"; 103 break; 104 case KVME_TYPE_DEFAULT: 105 str = "df"; 106 break; 107 case KVME_TYPE_VNODE: 108 str = "vn"; 109 break; 110 case KVME_TYPE_SWAP: 111 str = "sw"; 112 break; 113 case KVME_TYPE_DEVICE: 114 str = "dv"; 115 break; 116 case KVME_TYPE_PHYS: 117 str = "ph"; 118 break; 119 case KVME_TYPE_DEAD: 120 str = "dd"; 121 break; 122 case KVME_TYPE_UNKNOWN: 123 default: 124 str = "??"; 125 break; 126 } 127 printf("%-2s ", str); 128 printf("%-s\n", kve->kve_path); 129 } 130 free(freep); 131 } 132