1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 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 30 #include <sys/cdefs.h> 31 #include <sys/param.h> 32 #include <sys/time.h> 33 #include <sys/resource.h> 34 #include <sys/sysctl.h> 35 #include <sys/user.h> 36 37 #include <err.h> 38 #include <errno.h> 39 #include <libprocstat.h> 40 #include <libutil.h> 41 #include <limits.h> 42 #include <stdio.h> 43 #include <stdlib.h> 44 #include <string.h> 45 46 #include "procstat.h" 47 48 static struct { 49 const char *name; 50 const char *suffix; 51 } rlimit_param[15] = { 52 {"cputime", "sec"}, 53 {"filesize", "B "}, 54 {"datasize", "B "}, 55 {"stacksize", "B "}, 56 {"coredumpsize", "B "}, 57 {"memoryuse", "B "}, 58 {"memorylocked", "B "}, 59 {"maxprocesses", " "}, 60 {"openfiles", " "}, 61 {"sbsize", "B "}, 62 {"vmemoryuse", "B "}, 63 {"pseudo-terminals", " "}, 64 {"swapuse", "B "}, 65 {"kqueues", " "}, 66 {"umtxp", " "}, 67 }; 68 69 #if RLIM_NLIMITS > 15 70 #error "Resource limits have grown. Add new entries to rlimit_param[]." 71 #endif 72 73 static const char * 74 humanize_rlimit(int indx, rlim_t limit) 75 { 76 static char buf[14]; 77 int scale; 78 79 if (limit == RLIM_INFINITY) 80 return ("infinity "); 81 82 scale = humanize_number(buf, sizeof(buf) - 1, (int64_t)limit, 83 rlimit_param[indx].suffix, HN_AUTOSCALE | HN_GETSCALE, HN_DECIMAL); 84 (void)humanize_number(buf, sizeof(buf) - 1, (int64_t)limit, 85 rlimit_param[indx].suffix, HN_AUTOSCALE, HN_DECIMAL); 86 /* Pad with one space if there is no suffix prefix. */ 87 if (scale == 0) 88 sprintf(buf + strlen(buf), " "); 89 return (buf); 90 } 91 92 void 93 procstat_rlimit(struct procstat *prstat, struct kinfo_proc *kipp) 94 { 95 struct rlimit rlimit; 96 int i; 97 98 if ((procstat_opts & PS_OPT_NOHEADER) == 0) { 99 xo_emit("{T:/%5s %-16s %-16s %16s %16s}\n", 100 "PID", "COMM", "RLIMIT", "SOFT ", "HARD "); 101 } 102 xo_emit("{ek:process_id/%5d}{e:command/%-16s/%s}", kipp->ki_pid, 103 kipp->ki_comm); 104 for (i = 0; i < RLIM_NLIMITS; i++) { 105 if (procstat_getrlimit(prstat, kipp, i, &rlimit) == -1) 106 return; 107 xo_emit("{dk:process_id/%5d} {d:command/%-16s} " 108 "{d:rlimit_param/%-16s} ", kipp->ki_pid, kipp->ki_comm, 109 rlimit_param[i].name); 110 111 xo_open_container(rlimit_param[i].name); 112 if (rlimit.rlim_cur == RLIM_INFINITY) 113 xo_emit("{e:soft_limit/infinity}"); 114 else 115 xo_emit("{e:soft_limit/%U}", rlimit.rlim_cur); 116 117 if (rlimit.rlim_max == RLIM_INFINITY) 118 xo_emit("{e:hard_limit/infinity}"); 119 else 120 xo_emit("{e:hard_limit/%U}", rlimit.rlim_max); 121 xo_close_container(rlimit_param[i].name); 122 123 xo_emit("{d:rlim_cur/%16s} ", 124 humanize_rlimit(i, rlimit.rlim_cur)); 125 xo_emit("{d:rlim_max/%16s}\n", 126 humanize_rlimit(i, rlimit.rlim_max)); 127 } 128 } 129