1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause
3 *
4 * Copyright (c) 2024 The FreeBSD Foundation
5 *
6 * This software was developed by Konstantin Belousov <kib@FreeBSD.org>
7 * under sponsorship from the FreeBSD Foundation.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * SUCH DAMAGE.
29 */
30
31 #include <sys/param.h>
32 #include <sys/sysctl.h>
33 #define _RLIMIT_IDENT
34 #include <sys/resource.h>
35 #include <sys/user.h>
36
37 #include <err.h>
38 #include <errno.h>
39 #include <libprocstat.h>
40 #include <stdio.h>
41 #include <stdlib.h>
42 #include <stdint.h>
43 #include <libutil.h>
44
45 #include "procstat.h"
46
47 static const char ru[] = "resource_usage";
48
49 void
procstat_rlimitusage(struct procstat * procstat,struct kinfo_proc * kipp)50 procstat_rlimitusage(struct procstat *procstat, struct kinfo_proc *kipp)
51 {
52 rlim_t *resuse;
53 unsigned int cnt, i;
54
55 if ((procstat_opts & PS_OPT_NOHEADER) == 0)
56 xo_emit("{T:/%7s %12s %4s %18s}\n",
57 "PID", "RESOURCE", "ID", "USAGE");
58
59 xo_emit("{ek:process_id/%d}", kipp->ki_pid);
60
61 resuse = procstat_getrlimitusage(procstat, kipp, &cnt);
62 if (resuse == NULL)
63 return;
64 xo_open_list(ru);
65 for (i = 0; i < cnt; i++) {
66 xo_open_instance(ru);
67 xo_emit("{dk:process_id/%7d} ", kipp->ki_pid);
68 xo_emit("{:resource/%12s} ", i < nitems(rlimit_ident) ?
69 rlimit_ident[i] : "unknown");
70 xo_emit("{:resid/%4d} ", i);
71 xo_emit("{:usage/%18jd}\n", (intmax_t)resuse[i]);
72 xo_close_instance(ru);
73 }
74 xo_close_list(ru);
75 procstat_freerlimitusage(procstat, resuse);
76 }
77