freebsd-src/usr.bin/procstat/procstat_rlimitusage.c
Konstantin Belousov 5ac9320ddf procstat(1): add rlimitusage subcommand
Reviewed by:	markj, olce
Sponsored by:	The FreeBSD Foundation
MFC after:	1 week
Differential revision:	https://reviews.freebsd.org/D46747
2024-09-27 18:02:34 +03:00

77 lines
2.5 KiB
C

/*-
* SPDX-License-Identifier: BSD-2-Clause
*
* Copyright (c) 2024 The FreeBSD Foundation
*
* This software was developed by Konstantin Belousov <kib@FreeBSD.org>
* under sponsorship from the FreeBSD Foundation.
*
* 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/param.h>
#include <sys/sysctl.h>
#define _RLIMIT_IDENT
#include <sys/resource.h>
#include <sys/user.h>
#include <err.h>
#include <errno.h>
#include <libprocstat.h>
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <libutil.h>
#include "procstat.h"
static const char ru[] = "resource_usage";
void
procstat_rlimitusage(struct procstat *procstat, struct kinfo_proc *kipp)
{
rlim_t *resuse;
unsigned int cnt, i;
if ((procstat_opts & PS_OPT_NOHEADER) == 0)
xo_emit("{T:/%7s %12s %4s %18s}\n",
"PID", "RESOURCE", "ID", "USAGE");
xo_emit("{ek:process_id/%d}", kipp->ki_pid);
resuse = procstat_getrlimitusage(procstat, kipp, &cnt);
if (resuse == NULL)
return;
xo_open_list(ru);
for (i = 0; i < cnt; i++) {
xo_open_instance(ru);
xo_emit("{dk:process_id/%7d} ", kipp->ki_pid);
xo_emit("{:resource/%12s} ", i < nitems(rlimit_ident) ?
rlimit_ident[i] : "unknown");
xo_emit("{:resid/%4d} ", i);
xo_emit("{:usage/%18jd}\n", (intmax_t)resuse[i]);
xo_close_instance(ru);
}
xo_close_list(ru);
procstat_freerlimitusage(procstat, resuse);
}