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