1 /*- 2 * Copyright (c) 2007 Robert N. M. Watson 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/sysctl.h> 31 #include <sys/user.h> 32 33 #include <err.h> 34 #include <libprocstat.h> 35 #include <stdio.h> 36 #include <stdlib.h> 37 #include <sysexits.h> 38 #include <unistd.h> 39 40 #include "procstat.h" 41 42 static int aflag, bflag, cflag, fflag, iflag, jflag, kflag, sflag, tflag, vflag; 43 int hflag, nflag; 44 45 static void 46 usage(void) 47 { 48 49 fprintf(stderr, "usage: procstat [-h] [-M core] [-N system] " 50 "[-w interval] [-b | -c | -f | -i | -j | -k | -s | -t | -v]\n"); 51 fprintf(stderr, " [-a | pid ...]\n"); 52 exit(EX_USAGE); 53 } 54 55 static void 56 procstat(struct procstat *prstat, struct kinfo_proc *kipp) 57 { 58 59 if (bflag) 60 procstat_bin(kipp); 61 else if (cflag) 62 procstat_args(kipp); 63 else if (fflag) 64 procstat_files(prstat, kipp); 65 else if (iflag) 66 procstat_sigs(prstat, kipp); 67 else if (jflag) 68 procstat_threads_sigs(prstat, kipp); 69 else if (kflag) 70 procstat_kstack(kipp, kflag); 71 else if (sflag) 72 procstat_cred(kipp); 73 else if (tflag) 74 procstat_threads(kipp); 75 else if (vflag) 76 procstat_vm(kipp); 77 else 78 procstat_basic(kipp); 79 } 80 81 /* 82 * Sort processes first by pid and then tid. 83 */ 84 static int 85 kinfo_proc_compare(const void *a, const void *b) 86 { 87 int i; 88 89 i = ((const struct kinfo_proc *)a)->ki_pid - 90 ((const struct kinfo_proc *)b)->ki_pid; 91 if (i != 0) 92 return (i); 93 i = ((const struct kinfo_proc *)a)->ki_tid - 94 ((const struct kinfo_proc *)b)->ki_tid; 95 return (i); 96 } 97 98 void 99 kinfo_proc_sort(struct kinfo_proc *kipp, int count) 100 { 101 102 qsort(kipp, count, sizeof(*kipp), kinfo_proc_compare); 103 } 104 105 int 106 main(int argc, char *argv[]) 107 { 108 int ch, interval, tmp; 109 int i; 110 struct kinfo_proc *p; 111 struct procstat *prstat; 112 long l; 113 pid_t pid; 114 char *dummy; 115 char *nlistf, *memf; 116 int cnt; 117 118 interval = 0; 119 memf = nlistf = NULL; 120 while ((ch = getopt(argc, argv, "N:M:abcfijkhstvw:")) != -1) { 121 switch (ch) { 122 case 'M': 123 memf = optarg; 124 break; 125 case 'N': 126 nlistf = optarg; 127 break; 128 case 'a': 129 aflag++; 130 break; 131 132 case 'b': 133 bflag++; 134 break; 135 136 case 'c': 137 cflag++; 138 break; 139 140 case 'f': 141 fflag++; 142 break; 143 144 case 'i': 145 iflag++; 146 break; 147 148 case 'j': 149 jflag++; 150 break; 151 152 case 'k': 153 kflag++; 154 break; 155 156 case 'n': 157 nflag++; 158 break; 159 160 case 'h': 161 hflag++; 162 break; 163 164 case 's': 165 sflag++; 166 break; 167 168 case 't': 169 tflag++; 170 break; 171 172 case 'v': 173 vflag++; 174 break; 175 176 case 'w': 177 l = strtol(optarg, &dummy, 10); 178 if (*dummy != '\0') 179 usage(); 180 if (l < 1 || l > INT_MAX) 181 usage(); 182 interval = l; 183 break; 184 185 case '?': 186 default: 187 usage(); 188 } 189 190 } 191 argc -= optind; 192 argv += optind; 193 194 /* We require that either 0 or 1 mode flags be set. */ 195 tmp = bflag + cflag + fflag + (kflag ? 1 : 0) + sflag + tflag + vflag; 196 if (!(tmp == 0 || tmp == 1)) 197 usage(); 198 199 /* We allow -k to be specified up to twice, but not more. */ 200 if (kflag > 2) 201 usage(); 202 203 /* Must specify either the -a flag or a list of pids. */ 204 if (!(aflag == 1 && argc == 0) && !(aflag == 0 && argc > 0)) 205 usage(); 206 207 if (memf != NULL) 208 prstat = procstat_open_kvm(nlistf, memf); 209 else 210 prstat = procstat_open_sysctl(); 211 if (prstat == NULL) 212 errx(1, "procstat_open()"); 213 do { 214 if (aflag) { 215 p = procstat_getprocs(prstat, KERN_PROC_PROC, 0, &cnt); 216 if (p == NULL) 217 errx(1, "procstat_getprocs()"); 218 kinfo_proc_sort(p, cnt); 219 for (i = 0; i < cnt; i++) { 220 procstat(prstat, &p[i]); 221 222 /* Suppress header after first process. */ 223 hflag = 1; 224 } 225 procstat_freeprocs(prstat, p); 226 } 227 for (i = 0; i < argc; i++) { 228 l = strtol(argv[i], &dummy, 10); 229 if (*dummy != '\0') 230 usage(); 231 if (l < 0) 232 usage(); 233 pid = l; 234 235 p = procstat_getprocs(prstat, KERN_PROC_PID, pid, &cnt); 236 if (p == NULL) 237 errx(1, "procstat_getprocs()"); 238 if (cnt != 0) 239 procstat(prstat, p); 240 procstat_freeprocs(prstat, p); 241 242 /* Suppress header after first process. */ 243 hflag = 1; 244 } 245 if (interval) 246 sleep(interval); 247 } while (interval); 248 procstat_close(prstat); 249 exit(0); 250 } 251