1/*-
2 * SPDX-License-Identifier: BSD-2-Clause
3 *
4 * Copyright (c) 2011 Mikolaj Golub
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/param.h>
31#include <sys/time.h>
32#include <sys/resource.h>
33#include <sys/sysctl.h>
34#include <sys/user.h>
35
36#include <err.h>
37#include <errno.h>
38#include <libprocstat.h>
39#include <libutil.h>
40#include <limits.h>
41#include <stdio.h>
42#include <stdlib.h>
43#include <string.h>
44
45#include "procstat.h"
46
47static struct {
48	const char *name;
49	const char *suffix;
50} rlimit_param[15] = {
51	{"cputime",          "sec"},
52	{"filesize",         "B  "},
53	{"datasize",         "B  "},
54	{"stacksize",        "B  "},
55	{"coredumpsize",     "B  "},
56	{"memoryuse",        "B  "},
57	{"memorylocked",     "B  "},
58	{"maxprocesses",     "   "},
59	{"openfiles",        "   "},
60	{"sbsize",           "B  "},
61	{"vmemoryuse",       "B  "},
62	{"pseudo-terminals", "   "},
63	{"swapuse",          "B  "},
64	{"kqueues",          "   "},
65	{"umtxp",            "   "},
66};
67
68#if RLIM_NLIMITS > 15
69#error "Resource limits have grown. Add new entries to rlimit_param[]."
70#endif
71
72static const char *
73humanize_rlimit(int indx, rlim_t limit)
74{
75	static char buf[14];
76	int scale;
77
78	if (limit == RLIM_INFINITY)
79		return ("infinity     ");
80
81	scale = humanize_number(buf, sizeof(buf) - 1, (int64_t)limit,
82	    rlimit_param[indx].suffix, HN_AUTOSCALE | HN_GETSCALE, HN_DECIMAL);
83	(void)humanize_number(buf, sizeof(buf) - 1, (int64_t)limit,
84	    rlimit_param[indx].suffix, HN_AUTOSCALE, HN_DECIMAL);
85	/* Pad with one space if there is no suffix prefix. */
86	if (scale == 0)
87		sprintf(buf + strlen(buf), " ");
88	return (buf);
89}
90
91void
92procstat_rlimit(struct procstat *prstat, struct kinfo_proc *kipp)
93{
94	struct rlimit rlimit;
95	int i;
96
97	if ((procstat_opts & PS_OPT_NOHEADER) == 0) {
98		xo_emit("{T:/%5s %-16s %-16s %16s %16s}\n",
99		    "PID", "COMM", "RLIMIT", "SOFT     ", "HARD     ");
100	}
101	xo_emit("{ek:process_id/%5d}{e:command/%-16s/%s}", kipp->ki_pid,
102	    kipp->ki_comm);
103	for (i = 0; i < RLIM_NLIMITS; i++) {
104		if (procstat_getrlimit(prstat, kipp, i, &rlimit) == -1)
105			return;
106		xo_emit("{dk:process_id/%5d} {d:command/%-16s} "
107		    "{d:rlimit_param/%-16s} ", kipp->ki_pid, kipp->ki_comm,
108		    rlimit_param[i].name);
109
110		xo_open_container(rlimit_param[i].name);
111		if (rlimit.rlim_cur == RLIM_INFINITY)
112			xo_emit("{e:soft_limit/infinity}");
113		else
114			xo_emit("{e:soft_limit/%U}", rlimit.rlim_cur);
115
116		if (rlimit.rlim_max == RLIM_INFINITY)
117			xo_emit("{e:hard_limit/infinity}");
118		else
119			xo_emit("{e:hard_limit/%U}", rlimit.rlim_max);
120		xo_close_container(rlimit_param[i].name);
121
122		xo_emit("{d:rlim_cur/%16s} ",
123		    humanize_rlimit(i, rlimit.rlim_cur));
124		xo_emit("{d:rlim_max/%16s}\n",
125		    humanize_rlimit(i, rlimit.rlim_max));
126	}
127}
128