/*-
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
*
* Copyright (c) 2011 Mikolaj Golub
* Copyright (c) 2015 Allan Jude <allanjude@freebsd.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/time.h>
#include <sys/resourcevar.h>
#include <sys/sysctl.h>
#include <sys/user.h>
#include <err.h>
#include <errno.h>
#include <libprocstat.h>
#include <libutil.h>
#include <limits.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "procstat.h"
static struct {
const char *name;
const char *suffix;
} rlimit_param[15] = {
{"cputime", "sec"},
{"filesize", "B "},
{"datasize", "B "},
{"stacksize", "B "},
{"coredumpsize", "B "},
{"memoryuse", "B "},
{"memorylocked", "B "},
{"maxprocesses", " "},
{"openfiles", " "},
{"sbsize", "B "},
{"vmemoryuse", "B "},
{"pseudo-terminals", " "},
{"swapuse", "B "},
{"kqueues", " "},
{"umtxp", " "},
};
#if RLIM_NLIMITS > 15
#error "Resource limits have grown. Add new entries to rlimit_param[]."
#endif
static const char *
humanize_rlimit(int indx, rlim_t limit)
{
static char buf[14];
int scale;
if (limit == RLIM_INFINITY)
return ("infinity ");
scale = humanize_number(buf, sizeof(buf) - 1, (int64_t)limit,
rlimit_param[indx].suffix, HN_AUTOSCALE | HN_GETSCALE, HN_DECIMAL);
(void)humanize_number(buf, sizeof(buf) - 1, (int64_t)limit,
rlimit_param[indx].suffix, HN_AUTOSCALE, HN_DECIMAL);
/* Pad with one space if there is no suffix prefix. */
if (scale == 0)
sprintf(buf + strlen(buf), " ");
return (buf);
}
void
procstat_rlimit(struct procstat *prstat, struct kinfo_proc *kipp)
{
struct rlimit rlimit;
int i;
if ((procstat_opts & PS_OPT_NOHEADER) == 0) {
xo_emit("{T:/%5s %-16s %-16s %16s %16s}\n",
"PID", "COMM", "RLIMIT", "SOFT ", "HARD ");
}
xo_emit("{ek:process_id/%5d}{e:command/%-16s/%s}", kipp->ki_pid,
kipp->ki_comm);
for (i = 0; i < RLIM_NLIMITS; i++) {
if (procstat_getrlimit(prstat, kipp, i, &rlimit) == -1)
return;
xo_emit("{dk:process_id/%5d} {d:command/%-16s} "
"{d:rlimit_param/%-16s} ", kipp->ki_pid, kipp->ki_comm,
rlimit_param[i].name);
xo_open_container(rlimit_param[i].name);
if (rlimit.rlim_cur == RLIM_INFINITY)
xo_emit("{e:soft_limit/infinity}");
else
xo_emit("{e:soft_limit/%U}", rlimit.rlim_cur);
if (rlimit.rlim_max == RLIM_INFINITY)
xo_emit("{e:hard_limit/infinity}");
else
xo_emit("{e:hard_limit/%U}", rlimit.rlim_max);
xo_close_container(rlimit_param[i].name);
xo_emit("{d:rlim_cur/%16s} ",
humanize_rlimit(i, rlimit.rlim_cur));
xo_emit("{d:rlim_max/%16s}\n",
humanize_rlimit(i, rlimit.rlim_max));
}
}
