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[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
72 static const char *
humanize_rlimit(int indx,rlim_t limit)73 humanize_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
91 void
procstat_rlimit(struct procstat * prstat,struct kinfo_proc * kipp)92 procstat_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