xref: /freebsd/usr.bin/procstat/procstat_vm.c (revision 0a36787e4c1fa0cf77dcf83be0867178476e372b)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3  *
4  * Copyright (c) 2007 Robert N. M. Watson
5  * Copyright (c) 2015 Allan Jude <allanjude@freebsd.org>
6  * All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27  * SUCH DAMAGE.
28  */
29 
30 #include <sys/cdefs.h>
31 __FBSDID("$FreeBSD$");
32 
33 #include <sys/param.h>
34 #include <sys/sysctl.h>
35 #include <sys/user.h>
36 
37 #include <err.h>
38 #include <errno.h>
39 #include <libprocstat.h>
40 #include <stdio.h>
41 #include <stdlib.h>
42 #include <stdint.h>
43 #include <libutil.h>
44 
45 #include "procstat.h"
46 
47 void
48 procstat_vm(struct procstat *procstat, struct kinfo_proc *kipp)
49 {
50 	struct kinfo_vmentry *freep, *kve;
51 	int ptrwidth;
52 	int i, cnt;
53 	const char *str, *lstr;
54 
55 	ptrwidth = 2*sizeof(void *) + 2;
56 	if ((procstat_opts & PS_OPT_NOHEADER) == 0)
57 		xo_emit("{T:/%5s %*s %*s %3s %4s %4s %3s %3s %-5s %-2s %-s}\n",
58 		    "PID", ptrwidth, "START", ptrwidth, "END", "PRT", "RES",
59 		    "PRES", "REF", "SHD", "FLAG", "TP", "PATH");
60 
61 	xo_emit("{ek:process_id/%d}", kipp->ki_pid);
62 
63 	freep = procstat_getvmmap(procstat, kipp, &cnt);
64 	if (freep == NULL)
65 		return;
66 	xo_open_list("vm");
67 	for (i = 0; i < cnt; i++) {
68 		xo_open_instance("vm");
69 		kve = &freep[i];
70 		xo_emit("{dk:process_id/%5d} ", kipp->ki_pid);
71 		xo_emit("{d:kve_start/%#*jx} ", ptrwidth,
72 		    (uintmax_t)kve->kve_start);
73 		xo_emit("{d:kve_end/%#*jx} ", ptrwidth,
74 		    (uintmax_t)kve->kve_end);
75 		xo_emit("{e:kve_start/%#jx}", (uintmax_t)kve->kve_start);
76 		xo_emit("{e:kve_end/%#jx}", (uintmax_t)kve->kve_end);
77 		xo_emit("{d:read/%s}", kve->kve_protection & KVME_PROT_READ ?
78 		    "r" : "-");
79 		xo_emit("{d:write/%s}", kve->kve_protection & KVME_PROT_WRITE ?
80 		    "w" : "-");
81 		xo_emit("{d:exec/%s} ", kve->kve_protection & KVME_PROT_EXEC ?
82 		    "x" : "-");
83 		xo_open_container("kve_protection");
84 		xo_emit("{en:read/%s}", kve->kve_protection & KVME_PROT_READ ?
85 		    "true" : "false");
86 		xo_emit("{en:write/%s}", kve->kve_protection & KVME_PROT_WRITE ?
87 		    "true" : "false");
88 		xo_emit("{en:exec/%s}", kve->kve_protection & KVME_PROT_EXEC ?
89 		    "true" : "false");
90 		xo_close_container("kve_protection");
91 		xo_emit("{:kve_resident/%4d/%d} ", kve->kve_resident);
92 		xo_emit("{:kve_private_resident/%4d/%d} ",
93 		    kve->kve_private_resident);
94 		xo_emit("{:kve_ref_count/%3d/%d} ", kve->kve_ref_count);
95 		xo_emit("{:kve_shadow_count/%3d/%d} ", kve->kve_shadow_count);
96 		xo_emit("{d:copy_on_write/%-1s}", kve->kve_flags &
97 		    KVME_FLAG_COW ? "C" : "-");
98 		xo_emit("{d:need_copy/%-1s}", kve->kve_flags &
99 		    KVME_FLAG_NEEDS_COPY ? "N" : "-");
100 		xo_emit("{d:super_pages/%-1s}", kve->kve_flags &
101 		    KVME_FLAG_SUPER ? "S" : "-");
102 		xo_emit("{d:grows_down/%-1s}", kve->kve_flags &
103 		    KVME_FLAG_GROWS_UP ? "U" : kve->kve_flags &
104 		    KVME_FLAG_GROWS_DOWN ? "D" : "-");
105 		xo_emit("{d:wired/%-1s} ", kve->kve_flags &
106 		    KVME_FLAG_USER_WIRED ? "W" : "-");
107 		xo_open_container("kve_flags");
108 		xo_emit("{en:copy_on_write/%s}", kve->kve_flags &
109 		    KVME_FLAG_COW ? "true" : "false");
110 		xo_emit("{en:needs_copy/%s}", kve->kve_flags &
111 		    KVME_FLAG_NEEDS_COPY ? "true" : "false");
112 		xo_emit("{en:super_pages/%s}", kve->kve_flags &
113 		    KVME_FLAG_SUPER ? "true" : "false");
114 		xo_emit("{en:grows_up/%s}", kve->kve_flags &
115 		    KVME_FLAG_GROWS_UP ? "true" : "false");
116 		xo_emit("{en:grows_down/%s}", kve->kve_flags &
117 		    KVME_FLAG_GROWS_DOWN ? "true" : "false");
118 		xo_emit("{en:wired/%s}", kve->kve_flags &
119 		    KVME_FLAG_USER_WIRED ? "true" : "false");
120 		xo_close_container("kve_flags");
121 		switch (kve->kve_type) {
122 		case KVME_TYPE_NONE:
123 			str = "--";
124 			lstr = "none";
125 			break;
126 		case KVME_TYPE_DEFAULT:
127 			str = "df";
128 			lstr = "default";
129 			break;
130 		case KVME_TYPE_VNODE:
131 			str = "vn";
132 			lstr = "vnode";
133 			break;
134 		case KVME_TYPE_SWAP:
135 			str = "sw";
136 			lstr = "swap";
137 			break;
138 		case KVME_TYPE_DEVICE:
139 			str = "dv";
140 			lstr = "device";
141 			break;
142 		case KVME_TYPE_PHYS:
143 			str = "ph";
144 			lstr = "physical";
145 			break;
146 		case KVME_TYPE_DEAD:
147 			str = "dd";
148 			lstr = "dead";
149 			break;
150 		case KVME_TYPE_SG:
151 			str = "sg";
152 			lstr = "scatter/gather";
153 			break;
154 		case KVME_TYPE_MGTDEVICE:
155 			str = "md";
156 			lstr = "managed_device";
157 			break;
158 		case KVME_TYPE_GUARD:
159 			str = "gd";
160 			lstr = "guard";
161 			break;
162 		case KVME_TYPE_UNKNOWN:
163 		default:
164 			str = "??";
165 			lstr = "unknown";
166 			break;
167 		}
168 		xo_emit("{d:kve_type/%-2s} ", str);
169 		xo_emit("{e:kve_type/%s}", lstr);
170 		xo_emit("{:kve_path/%-s/%s}\n", kve->kve_path);
171 		xo_close_instance("vm");
172 	}
173 	xo_close_list("vm");
174 	free(freep);
175 }
176