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
46static 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
69static const char *
70humanize_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
88void
89procstat_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