xref: /freebsd/usr.bin/procstat/procstat_vm.c (revision 4717628ed859513a3262ea68259d0605f39de0b3)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
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 #include <sys/param.h>
32 #include <sys/sysctl.h>
33 #include <sys/user.h>
34 
35 #include <err.h>
36 #include <errno.h>
37 #include <libprocstat.h>
38 #include <stdio.h>
39 #include <stdlib.h>
40 #include <stdint.h>
41 #include <libutil.h>
42 
43 #include "procstat.h"
44 
45 void
46 procstat_vm(struct procstat *procstat, struct kinfo_proc *kipp)
47 {
48 	struct kinfo_vmentry *freep, *kve;
49 	int ptrwidth;
50 	int i, cnt;
51 	const char *str, *lstr;
52 
53 	ptrwidth = 2*sizeof(void *) + 2;
54 	if ((procstat_opts & PS_OPT_NOHEADER) == 0)
55 		xo_emit("{T:/%5s %*s %*s %3s %4s %4s %3s %3s %-5s %-2s %-s}\n",
56 		    "PID", ptrwidth, "START", ptrwidth, "END", "PRT", "RES",
57 		    "PRES", "REF", "SHD", "FLAG", "TP", "PATH");
58 
59 	xo_emit("{ek:process_id/%d}", kipp->ki_pid);
60 
61 	freep = procstat_getvmmap(procstat, kipp, &cnt);
62 	if (freep == NULL)
63 		return;
64 	xo_open_list("vm");
65 	for (i = 0; i < cnt; i++) {
66 		xo_open_instance("vm");
67 		kve = &freep[i];
68 		xo_emit("{dk:process_id/%5d} ", kipp->ki_pid);
69 		xo_emit("{d:kve_start/%#*jx} ", ptrwidth,
70 		    (uintmax_t)kve->kve_start);
71 		xo_emit("{d:kve_end/%#*jx} ", ptrwidth,
72 		    (uintmax_t)kve->kve_end);
73 		xo_emit("{e:kve_start/%#jx}", (uintmax_t)kve->kve_start);
74 		xo_emit("{e:kve_end/%#jx}", (uintmax_t)kve->kve_end);
75 		xo_emit("{d:read/%s}", kve->kve_protection & KVME_PROT_READ ?
76 		    "r" : "-");
77 		xo_emit("{d:write/%s}", kve->kve_protection & KVME_PROT_WRITE ?
78 		    "w" : "-");
79 		xo_emit("{d:exec/%s} ", kve->kve_protection & KVME_PROT_EXEC ?
80 		    "x" : "-");
81 		xo_open_container("kve_protection");
82 		xo_emit("{en:read/%s}", kve->kve_protection & KVME_PROT_READ ?
83 		    "true" : "false");
84 		xo_emit("{en:write/%s}", kve->kve_protection & KVME_PROT_WRITE ?
85 		    "true" : "false");
86 		xo_emit("{en:exec/%s}", kve->kve_protection & KVME_PROT_EXEC ?
87 		    "true" : "false");
88 		xo_close_container("kve_protection");
89 		xo_emit("{:kve_resident/%4d/%d} ", kve->kve_resident);
90 		xo_emit("{:kve_private_resident/%4d/%d} ",
91 		    kve->kve_private_resident);
92 		xo_emit("{:kve_ref_count/%3d/%d} ", kve->kve_ref_count);
93 		xo_emit("{:kve_shadow_count/%3d/%d} ", kve->kve_shadow_count);
94 		xo_emit("{d:copy_on_write/%-1s}", kve->kve_flags &
95 		    KVME_FLAG_COW ? "C" : "-");
96 		xo_emit("{d:need_copy/%-1s}", kve->kve_flags &
97 		    KVME_FLAG_NEEDS_COPY ? "N" : "-");
98 		xo_emit("{d:super_pages/%-1s}", kve->kve_flags &
99 		    KVME_FLAG_SUPER ? "S" : "-");
100 		xo_emit("{d:grows_down/%-1s}", kve->kve_flags &
101 		    KVME_FLAG_GROWS_UP ? "U" : kve->kve_flags &
102 		    KVME_FLAG_GROWS_DOWN ? "D" : "-");
103 		xo_emit("{d:wired/%-1s} ", kve->kve_flags &
104 		    KVME_FLAG_USER_WIRED ? "W" : "-");
105 		xo_open_container("kve_flags");
106 		xo_emit("{en:copy_on_write/%s}", kve->kve_flags &
107 		    KVME_FLAG_COW ? "true" : "false");
108 		xo_emit("{en:needs_copy/%s}", kve->kve_flags &
109 		    KVME_FLAG_NEEDS_COPY ? "true" : "false");
110 		xo_emit("{en:super_pages/%s}", kve->kve_flags &
111 		    KVME_FLAG_SUPER ? "true" : "false");
112 		xo_emit("{en:grows_up/%s}", kve->kve_flags &
113 		    KVME_FLAG_GROWS_UP ? "true" : "false");
114 		xo_emit("{en:grows_down/%s}", kve->kve_flags &
115 		    KVME_FLAG_GROWS_DOWN ? "true" : "false");
116 		xo_emit("{en:wired/%s}", kve->kve_flags &
117 		    KVME_FLAG_USER_WIRED ? "true" : "false");
118 		xo_close_container("kve_flags");
119 		switch (kve->kve_type) {
120 		case KVME_TYPE_NONE:
121 			str = "--";
122 			lstr = "none";
123 			break;
124 		case KVME_TYPE_DEFAULT:
125 			str = "df";
126 			lstr = "default";
127 			break;
128 		case KVME_TYPE_VNODE:
129 			str = "vn";
130 			lstr = "vnode";
131 			break;
132 		case KVME_TYPE_SWAP:
133 			str = "sw";
134 			lstr = "swap";
135 			break;
136 		case KVME_TYPE_DEVICE:
137 			str = "dv";
138 			lstr = "device";
139 			break;
140 		case KVME_TYPE_PHYS:
141 			str = "ph";
142 			lstr = "physical";
143 			break;
144 		case KVME_TYPE_DEAD:
145 			str = "dd";
146 			lstr = "dead";
147 			break;
148 		case KVME_TYPE_SG:
149 			str = "sg";
150 			lstr = "scatter/gather";
151 			break;
152 		case KVME_TYPE_MGTDEVICE:
153 			str = "md";
154 			lstr = "managed_device";
155 			break;
156 		case KVME_TYPE_GUARD:
157 			str = "gd";
158 			lstr = "guard";
159 			break;
160 		case KVME_TYPE_UNKNOWN:
161 		default:
162 			str = "??";
163 			lstr = "unknown";
164 			break;
165 		}
166 		xo_emit("{d:kve_type/%-2s} ", str);
167 		xo_emit("{e:kve_type/%s}", lstr);
168 		xo_emit("{:kve_path/%-s/%s}\n", kve->kve_path);
169 		xo_close_instance("vm");
170 	}
171 	xo_close_list("vm");
172 	free(freep);
173 }
174