1 /*- 2 * Copyright (c) 2011 Mikolaj Golub 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 * $FreeBSD$ 27 */ 28 29 #include <sys/param.h> 30 #include <sys/time.h> 31 #include <sys/resourcevar.h> 32 #include <sys/sysctl.h> 33 #include <sys/user.h> 34 35 #include <err.h> 36 #include <errno.h> 37 #include <libprocstat.h> 38 #include <libutil.h> 39 #include <limits.h> 40 #include <stdio.h> 41 #include <stdlib.h> 42 #include <string.h> 43 44 #include "procstat.h" 45 46 static struct { 47 const char *name; 48 const char *suffix; 49 } rlimit_param[13] = { 50 {"cputime", "sec"}, 51 {"filesize", "B "}, 52 {"datasize", "B "}, 53 {"stacksize", "B "}, 54 {"coredumpsize", "B "}, 55 {"memoryuse", "B "}, 56 {"memorylocked", "B "}, 57 {"maxprocesses", " "}, 58 {"openfiles", " "}, 59 {"sbsize", "B "}, 60 {"vmemoryuse", "B "}, 61 {"pseudo-terminals", " "}, 62 {"swapuse", "B "}, 63 }; 64 65 #if RLIM_NLIMITS > 13 66 #error "Resource limits have grown. Add new entries to rlimit_param[]." 67 #endif 68 69 static struct rlimit rlimit[RLIM_NLIMITS]; 70 71 static 72 const char *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 kinfo_proc *kipp) 92 { 93 int error, i, name[4]; 94 size_t len; 95 96 if (!hflag) { 97 printf("%5s %-16s %-16s %16s %16s\n", 98 "PID", "COMM", "RLIMIT", "SOFT ", "HARD "); 99 } 100 name[0] = CTL_KERN; 101 name[1] = KERN_PROC; 102 name[2] = KERN_PROC_RLIMIT; 103 name[3] = kipp->ki_pid; 104 len = sizeof(rlimit); 105 error = sysctl(name, 4, rlimit, &len, NULL, 0); 106 if (error < 0 && errno != ESRCH) { 107 warn("sysctl: kern.proc.rlimit: %d", kipp->ki_pid); 108 return; 109 } 110 if (error < 0 || len != sizeof(rlimit)) 111 return; 112 113 for (i = 0; i < RLIM_NLIMITS; i++) { 114 printf("%5d %-16s %-16s ", kipp->ki_pid, kipp->ki_comm, 115 rlimit_param[i].name); 116 printf("%16s ", humanize_rlimit(i, rlimit[i].rlim_cur)); 117 printf("%16s\n", humanize_rlimit(i, rlimit[i].rlim_max)); 118 } 119 } 120