1 /*-
2 * Copyright (c) 2011 Mikolaj Golub
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * $FreeBSD$
27 */
28
29 #include <sys/param.h>
30 #include <sys/time.h>
31 #include <sys/resourcevar.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 <libutil.h>
39 #include <limits.h>
40 #include <stdio.h>
41 #include <stdlib.h>
42 #include <string.h>
43
44 #include "procstat.h"
45
46 static struct {
47 const char *name;
48 const char *suffix;
49 } rlimit_param[13] = {
50 {"cputime", "sec"},
51 {"filesize", "B "},
52 {"datasize", "B "},
53 {"stacksize", "B "},
54 {"coredumpsize", "B "},
55 {"memoryuse", "B "},
56 {"memorylocked", "B "},
57 {"maxprocesses", " "},
58 {"openfiles", " "},
59 {"sbsize", "B "},
60 {"vmemoryuse", "B "},
61 {"pseudo-terminals", " "},
62 {"swapuse", "B "},
63 };
64
65 #if RLIM_NLIMITS > 13
66 #error "Resource limits have grown. Add new entries to rlimit_param[]."
67 #endif
68
69 static const char *
humanize_rlimit(int indx,rlim_t limit)70 humanize_rlimit(int indx, rlim_t limit)
71 {
72 static char buf[14];
73 int scale;
74
75 if (limit == RLIM_INFINITY)
76 return ("infinity ");
77
78 scale = humanize_number(buf, sizeof(buf) - 1, (int64_t)limit,
79 rlimit_param[indx].suffix, HN_AUTOSCALE | HN_GETSCALE, HN_DECIMAL);
80 (void)humanize_number(buf, sizeof(buf) - 1, (int64_t)limit,
81 rlimit_param[indx].suffix, HN_AUTOSCALE, HN_DECIMAL);
82 /* Pad with one space if there is no suffix prefix. */
83 if (scale == 0)
84 sprintf(buf + strlen(buf), " ");
85 return (buf);
86 }
87
88 void
procstat_rlimit(struct procstat * prstat,struct kinfo_proc * kipp)89 procstat_rlimit(struct procstat *prstat, struct kinfo_proc *kipp)
90 {
91 struct rlimit rlimit;
92 int i;
93
94 if (!hflag) {
95 printf("%5s %-16s %-16s %16s %16s\n",
96 "PID", "COMM", "RLIMIT", "SOFT ", "HARD ");
97 }
98 for (i = 0; i < RLIM_NLIMITS; i++) {
99 if (procstat_getrlimit(prstat, kipp, i, &rlimit) == -1)
100 return;
101 printf("%5d %-16s %-16s ", kipp->ki_pid, kipp->ki_comm,
102 rlimit_param[i].name);
103 printf("%16s ", humanize_rlimit(i, rlimit.rlim_cur));
104 printf("%16s\n", humanize_rlimit(i, rlimit.rlim_max));
105 }
106 }
107