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120 lines
3.5 KiB
C
120 lines
3.5 KiB
C
/*-
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* Copyright (c) 2011 Mikolaj Golub
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#include <sys/param.h>
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#include <sys/time.h>
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#include <sys/resourcevar.h>
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#include <sys/sysctl.h>
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#include <sys/user.h>
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#include <err.h>
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#include <errno.h>
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#include <libprocstat.h>
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#include <libutil.h>
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#include <limits.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "procstat.h"
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static struct {
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const char *name;
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const char *suffix;
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} rlimit_param[13] = {
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{"cputime", "sec"},
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{"filesize", "B "},
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{"datasize", "B "},
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{"stacksize", "B "},
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{"coredumpsize", "B "},
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{"memoryuse", "B "},
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{"memorylocked", "B "},
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{"maxprocesses", " "},
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{"openfiles", " "},
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{"sbsize", "B "},
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{"vmemoryuse", "B "},
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{"pseudo-terminals", " "},
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{"swapuse", "B "},
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};
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#if RLIM_NLIMITS > 13
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#error "Resource limits have grown. Add new entries to rlimit_param[]."
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#endif
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static const char *
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humanize_rlimit(int indx, rlim_t limit)
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{
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static char buf[14];
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int scale;
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if (limit == RLIM_INFINITY)
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return ("infinity ");
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scale = humanize_number(buf, sizeof(buf) - 1, (int64_t)limit,
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rlimit_param[indx].suffix, HN_AUTOSCALE | HN_GETSCALE, HN_DECIMAL);
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(void)humanize_number(buf, sizeof(buf) - 1, (int64_t)limit,
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rlimit_param[indx].suffix, HN_AUTOSCALE, HN_DECIMAL);
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/* Pad with one space if there is no suffix prefix. */
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if (scale == 0)
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sprintf(buf + strlen(buf), " ");
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return (buf);
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}
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void
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procstat_rlimit(struct kinfo_proc *kipp)
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{
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struct rlimit rlimit;
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int error, i, name[5];
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size_t len;
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if (!hflag) {
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printf("%5s %-16s %-16s %16s %16s\n",
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"PID", "COMM", "RLIMIT", "SOFT ", "HARD ");
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}
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len = sizeof(struct rlimit);
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name[0] = CTL_KERN;
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name[1] = KERN_PROC;
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name[2] = KERN_PROC_RLIMIT;
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name[3] = kipp->ki_pid;
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for (i = 0; i < RLIM_NLIMITS; i++) {
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name[4] = i;
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error = sysctl(name, 5, &rlimit, &len, NULL, 0);
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if (error < 0 && errno != ESRCH) {
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warn("sysctl: kern.proc.rlimit: %d", kipp->ki_pid);
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return;
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}
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if (error < 0 || len != sizeof(struct rlimit))
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return;
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printf("%5d %-16s %-16s ", kipp->ki_pid, kipp->ki_comm,
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rlimit_param[i].name);
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printf("%16s ", humanize_rlimit(i, rlimit.rlim_cur));
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printf("%16s\n", humanize_rlimit(i, rlimit.rlim_max));
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}
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}
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