2 * Copyright (c) 2011 Mikolaj Golub
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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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
29 #include <sys/param.h>
31 #include <sys/resourcevar.h>
32 #include <sys/sysctl.h>
37 #include <libprocstat.h>
49 } rlimit_param[13] = {
54 {"coredumpsize", "B "},
56 {"memorylocked", "B "},
57 {"maxprocesses", " "},
61 {"pseudo-terminals", " "},
66 #error "Resource limits have grown. Add new entries to rlimit_param[]."
69 static struct rlimit rlimit[RLIM_NLIMITS];
72 const char *humanize_rlimit(int indx, rlim_t limit)
77 if (limit == RLIM_INFINITY)
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. */
86 sprintf(buf + strlen(buf), " ");
91 procstat_rlimit(struct kinfo_proc *kipp)
93 int error, i, name[4];
97 printf("%5s %-16s %-16s %16s %16s\n",
98 "PID", "COMM", "RLIMIT", "SOFT ", "HARD ");
102 name[2] = KERN_PROC_RLIMIT;
103 name[3] = kipp->ki_pid;
104 len = sizeof(rlimit);
105 error = sysctl(name, 4, rlimit, &len, NULL, 0);
106 if (error < 0 && errno != ESRCH) {
107 warn("sysctl: kern.proc.rlimit: %d", kipp->ki_pid);
110 if (error < 0 || len != sizeof(rlimit))
113 for (i = 0; i < RLIM_NLIMITS; i++) {
114 printf("%5d %-16s %-16s ", kipp->ki_pid, kipp->ki_comm,
115 rlimit_param[i].name);
116 printf("%16s ", humanize_rlimit(i, rlimit[i].rlim_cur));
117 printf("%16s\n", humanize_rlimit(i, rlimit[i].rlim_max));