1 /*-
2 * Copyright (c) 2011 Mikolaj Golub
3 * Copyright (c) 2015 Allan Jude <allanjude@freebsd.org>
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 *
27 * $FreeBSD$
28 */
29
30 #include <sys/param.h>
31 #include <sys/time.h>
32 #include <sys/resourcevar.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[14] = {
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 };
66
67 #if RLIM_NLIMITS > 14
68 #error "Resource limits have grown. Add new entries to rlimit_param[]."
69 #endif
70
71 static const char *
humanize_rlimit(int indx,rlim_t limit)72 humanize_rlimit(int indx, rlim_t limit)
73 {
74 static char buf[14];
75 int scale;
76
77 if (limit == RLIM_INFINITY)
78 return ("infinity ");
79
80 scale = humanize_number(buf, sizeof(buf) - 1, (int64_t)limit,
81 rlimit_param[indx].suffix, HN_AUTOSCALE | HN_GETSCALE, HN_DECIMAL);
82 (void)humanize_number(buf, sizeof(buf) - 1, (int64_t)limit,
83 rlimit_param[indx].suffix, HN_AUTOSCALE, HN_DECIMAL);
84 /* Pad with one space if there is no suffix prefix. */
85 if (scale == 0)
86 sprintf(buf + strlen(buf), " ");
87 return (buf);
88 }
89
90 void
procstat_rlimit(struct procstat * prstat,struct kinfo_proc * kipp)91 procstat_rlimit(struct procstat *prstat, struct kinfo_proc *kipp)
92 {
93 struct rlimit rlimit;
94 int i;
95
96 if (!hflag) {
97 xo_emit("{T:/%5s %-16s %-16s %16s %16s}\n",
98 "PID", "COMM", "RLIMIT", "SOFT ", "HARD ");
99 }
100 xo_emit("{ek:process_id/%5d}{e:command/%-16s/%s}", kipp->ki_pid,
101 kipp->ki_comm);
102 for (i = 0; i < RLIM_NLIMITS; i++) {
103 if (procstat_getrlimit(prstat, kipp, i, &rlimit) == -1)
104 return;
105 xo_emit("{dk:process_id/%5d} {d:command/%-16s} "
106 "{d:rlimit_param/%-16s} ", kipp->ki_pid, kipp->ki_comm,
107 rlimit_param[i].name);
108
109 xo_open_container(rlimit_param[i].name);
110 if (rlimit.rlim_cur == RLIM_INFINITY)
111 xo_emit("{e:soft_limit/infinity}");
112 else
113 xo_emit("{e:soft_limit/%U}", rlimit.rlim_cur);
114
115 if (rlimit.rlim_max == RLIM_INFINITY)
116 xo_emit("{e:hard_limit/infinity}");
117 else
118 xo_emit("{e:hard_limit/%U}", rlimit.rlim_max);
119 xo_close_container(rlimit_param[i].name);
120
121 xo_emit("{d:rlim_cur/%16s} ",
122 humanize_rlimit(i, rlimit.rlim_cur));
123 xo_emit("{d:rlim_max/%16s}\n",
124 humanize_rlimit(i, rlimit.rlim_max));
125 }
126 }
127