1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 2011 Mikolaj Golub 5 * Copyright (c) 2015 Allan Jude <allanjude@freebsd.org> 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * $FreeBSD$ 30 */ 31 32 #include <sys/param.h> 33 #include <sys/time.h> 34 #include <sys/resource.h> 35 #include <sys/sysctl.h> 36 #include <sys/user.h> 37 38 #include <err.h> 39 #include <errno.h> 40 #include <libprocstat.h> 41 #include <libutil.h> 42 #include <limits.h> 43 #include <stdio.h> 44 #include <stdlib.h> 45 #include <string.h> 46 47 #include "procstat.h" 48 49 static struct { 50 const char *name; 51 const char *suffix; 52 } rlimit_param[15] = { 53 {"cputime", "sec"}, 54 {"filesize", "B "}, 55 {"datasize", "B "}, 56 {"stacksize", "B "}, 57 {"coredumpsize", "B "}, 58 {"memoryuse", "B "}, 59 {"memorylocked", "B "}, 60 {"maxprocesses", " "}, 61 {"openfiles", " "}, 62 {"sbsize", "B "}, 63 {"vmemoryuse", "B "}, 64 {"pseudo-terminals", " "}, 65 {"swapuse", "B "}, 66 {"kqueues", " "}, 67 {"umtxp", " "}, 68 }; 69 70 #if RLIM_NLIMITS > 15 71 #error "Resource limits have grown. Add new entries to rlimit_param[]." 72 #endif 73 74 static const char * 75 humanize_rlimit(int indx, rlim_t limit) 76 { 77 static char buf[14]; 78 int scale; 79 80 if (limit == RLIM_INFINITY) 81 return ("infinity "); 82 83 scale = humanize_number(buf, sizeof(buf) - 1, (int64_t)limit, 84 rlimit_param[indx].suffix, HN_AUTOSCALE | HN_GETSCALE, HN_DECIMAL); 85 (void)humanize_number(buf, sizeof(buf) - 1, (int64_t)limit, 86 rlimit_param[indx].suffix, HN_AUTOSCALE, HN_DECIMAL); 87 /* Pad with one space if there is no suffix prefix. */ 88 if (scale == 0) 89 sprintf(buf + strlen(buf), " "); 90 return (buf); 91 } 92 93 void 94 procstat_rlimit(struct procstat *prstat, struct kinfo_proc *kipp) 95 { 96 struct rlimit rlimit; 97 int i; 98 99 if ((procstat_opts & PS_OPT_NOHEADER) == 0) { 100 xo_emit("{T:/%5s %-16s %-16s %16s %16s}\n", 101 "PID", "COMM", "RLIMIT", "SOFT ", "HARD "); 102 } 103 xo_emit("{ek:process_id/%5d}{e:command/%-16s/%s}", kipp->ki_pid, 104 kipp->ki_comm); 105 for (i = 0; i < RLIM_NLIMITS; i++) { 106 if (procstat_getrlimit(prstat, kipp, i, &rlimit) == -1) 107 return; 108 xo_emit("{dk:process_id/%5d} {d:command/%-16s} " 109 "{d:rlimit_param/%-16s} ", kipp->ki_pid, kipp->ki_comm, 110 rlimit_param[i].name); 111 112 xo_open_container(rlimit_param[i].name); 113 if (rlimit.rlim_cur == RLIM_INFINITY) 114 xo_emit("{e:soft_limit/infinity}"); 115 else 116 xo_emit("{e:soft_limit/%U}", rlimit.rlim_cur); 117 118 if (rlimit.rlim_max == RLIM_INFINITY) 119 xo_emit("{e:hard_limit/infinity}"); 120 else 121 xo_emit("{e:hard_limit/%U}", rlimit.rlim_max); 122 xo_close_container(rlimit_param[i].name); 123 124 xo_emit("{d:rlim_cur/%16s} ", 125 humanize_rlimit(i, rlimit.rlim_cur)); 126 xo_emit("{d:rlim_max/%16s}\n", 127 humanize_rlimit(i, rlimit.rlim_max)); 128 } 129 } 130