xref: /freebsd/usr.bin/procstat/procstat_vm.c (revision aa0a1e58)
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/param.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 #include <stdint.h>
38 #include <libutil.h>
39 
40 #include "procstat.h"
41 
42 void
43 procstat_vm(pid_t pid, struct kinfo_proc *kipp __unused)
44 {
45 	struct kinfo_vmentry *freep, *kve;
46 	int ptrwidth;
47 	int i, cnt;
48 	const char *str;
49 
50 	ptrwidth = 2*sizeof(void *) + 2;
51 	if (!hflag)
52 		printf("%5s %*s %*s %3s %4s %4s %3s %3s %2s %-2s %-s\n",
53 		    "PID", ptrwidth, "START", ptrwidth, "END", "PRT", "RES",
54 		    "PRES", "REF", "SHD", "FL", "TP", "PATH");
55 
56 	freep = kinfo_getvmmap(pid, &cnt);
57 	if (freep == NULL)
58 		return;
59 	for (i = 0; i < cnt; i++) {
60 		kve = &freep[i];
61 		printf("%5d ", pid);
62 		printf("%#*jx ", ptrwidth, (uintmax_t)kve->kve_start);
63 		printf("%#*jx ", ptrwidth, (uintmax_t)kve->kve_end);
64 		printf("%s", kve->kve_protection & KVME_PROT_READ ? "r" : "-");
65 		printf("%s", kve->kve_protection & KVME_PROT_WRITE ? "w" : "-");
66 		printf("%s ", kve->kve_protection & KVME_PROT_EXEC ? "x" : "-");
67 		printf("%4d ", kve->kve_resident);
68 		printf("%4d ", kve->kve_private_resident);
69 		printf("%3d ", kve->kve_ref_count);
70 		printf("%3d ", kve->kve_shadow_count);
71 		printf("%-1s", kve->kve_flags & KVME_FLAG_COW ? "C" : "-");
72 		printf("%-1s ", kve->kve_flags & KVME_FLAG_NEEDS_COPY ? "N" :
73 		    "-");
74 		switch (kve->kve_type) {
75 		case KVME_TYPE_NONE:
76 			str = "--";
77 			break;
78 		case KVME_TYPE_DEFAULT:
79 			str = "df";
80 			break;
81 		case KVME_TYPE_VNODE:
82 			str = "vn";
83 			break;
84 		case KVME_TYPE_SWAP:
85 			str = "sw";
86 			break;
87 		case KVME_TYPE_DEVICE:
88 			str = "dv";
89 			break;
90 		case KVME_TYPE_PHYS:
91 			str = "ph";
92 			break;
93 		case KVME_TYPE_DEAD:
94 			str = "dd";
95 			break;
96 		case KVME_TYPE_SG:
97 			str = "sg";
98 			break;
99 		case KVME_TYPE_UNKNOWN:
100 		default:
101 			str = "??";
102 			break;
103 		}
104 		printf("%-2s ", str);
105 		printf("%-s\n", kve->kve_path);
106 	}
107 	free(freep);
108 }
109