freebsd-dev/usr.bin/procstat/procstat_rlimit.c

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/*-
* Copyright (c) 2011 Mikolaj Golub
* 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.
*
* $FreeBSD$
*/
#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[14] = {
{"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", " "},
};
#if RLIM_NLIMITS > 14
#error "Resource limits have grown. Add new entries to rlimit_param[]."
#endif
2012-07-03 19:11:38 +00:00
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 (!hflag) {
printf("%5s %-16s %-16s %16s %16s\n",
"PID", "COMM", "RLIMIT", "SOFT ", "HARD ");
}
for (i = 0; i < RLIM_NLIMITS; i++) {
if (procstat_getrlimit(prstat, kipp, i, &rlimit) == -1)
return;
printf("%5d %-16s %-16s ", kipp->ki_pid, kipp->ki_comm,
rlimit_param[i].name);
printf("%16s ", humanize_rlimit(i, rlimit.rlim_cur));
printf("%16s\n", humanize_rlimit(i, rlimit.rlim_max));
}
}