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
47 static struct {
48 const char *name;
49 const char *suffix;
50 } rlimit_param[] = {
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 {"pipebuf", "B "},
67 {"virtual-machines", " "},
68 };
69
70 _Static_assert(nitems(rlimit_param) == RLIM_NLIMITS,
71 "Resource limits have grown. Add new entries to rlimit_param[].");
72
73 static const char *
humanize_rlimit(int indx,rlim_t limit)74 humanize_rlimit(int indx, rlim_t limit)
75 {
76 static char buf[14];
77 int scale;
78
79 if (limit == RLIM_INFINITY)
80 return ("infinity ");
81
82 scale = humanize_number(buf, sizeof(buf) - 1, (int64_t)limit,
83 rlimit_param[indx].suffix, HN_AUTOSCALE | HN_GETSCALE, HN_DECIMAL);
84 (void)humanize_number(buf, sizeof(buf) - 1, (int64_t)limit,
85 rlimit_param[indx].suffix, HN_AUTOSCALE, HN_DECIMAL);
86 /* Pad with one space if there is no suffix prefix. */
87 if (scale == 0)
88 sprintf(buf + strlen(buf), " ");
89 return (buf);
90 }
91
92 void
procstat_rlimit(struct procstat * prstat,struct kinfo_proc * kipp)93 procstat_rlimit(struct procstat *prstat, struct kinfo_proc *kipp)
94 {
95 struct rlimit rlimit;
96 int i;
97
98 if ((procstat_opts & PS_OPT_NOHEADER) == 0) {
99 xo_emit("{T:/%5s %-16s %-16s %16s %16s}\n",
100 "PID", "COMM", "RLIMIT", "SOFT ", "HARD ");
101 }
102 xo_emit("{ek:process_id/%5d}{e:command/%-16s/%s}", kipp->ki_pid,
103 kipp->ki_comm);
104 for (i = 0; i < RLIM_NLIMITS; i++) {
105 if (procstat_getrlimit(prstat, kipp, i, &rlimit) == -1)
106 return;
107 xo_emit("{dk:process_id/%5d} {d:command/%-16s} "
108 "{d:rlimit_param/%-16s} ", kipp->ki_pid, kipp->ki_comm,
109 rlimit_param[i].name);
110
111 xo_open_container(rlimit_param[i].name);
112 if (rlimit.rlim_cur == RLIM_INFINITY)
113 xo_emit("{e:soft_limit/infinity}");
114 else
115 xo_emit("{e:soft_limit/%U}", rlimit.rlim_cur);
116
117 if (rlimit.rlim_max == RLIM_INFINITY)
118 xo_emit("{e:hard_limit/infinity}");
119 else
120 xo_emit("{e:hard_limit/%U}", rlimit.rlim_max);
121 xo_close_container(rlimit_param[i].name);
122
123 xo_emit("{d:rlim_cur/%16s} ",
124 humanize_rlimit(i, rlimit.rlim_cur));
125 xo_emit("{d:rlim_max/%16s}\n",
126 humanize_rlimit(i, rlimit.rlim_max));
127 }
128 }
129