1 /*- 2 * Copyright (c) 2007, 2011 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, eflag, fflag, iflag, jflag, kflag, lflag, sflag; 43 static int tflag, vflag, xflag; 44 int hflag, nflag, Cflag; 45 46 static void 47 usage(void) 48 { 49 50 fprintf(stderr, "usage: procstat [-h] [-C] [-M core] [-N system] " 51 "[-w interval] \n"); 52 fprintf(stderr, " [-b | -c | -e | -f | -i | -j | -k | " 53 "-l | -s | -t | -v | -x] [-a | pid | core ...]\n"); 54 exit(EX_USAGE); 55 } 56 57 static void 58 procstat(struct procstat *prstat, struct kinfo_proc *kipp) 59 { 60 61 if (bflag) 62 procstat_bin(prstat, kipp); 63 else if (cflag) 64 procstat_args(prstat, kipp); 65 else if (eflag) 66 procstat_env(prstat, kipp); 67 else if (fflag) 68 procstat_files(prstat, kipp); 69 else if (iflag) 70 procstat_sigs(prstat, kipp); 71 else if (jflag) 72 procstat_threads_sigs(prstat, kipp); 73 else if (kflag) 74 procstat_kstack(prstat, kipp, kflag); 75 else if (lflag) 76 procstat_rlimit(prstat, kipp); 77 else if (sflag) 78 procstat_cred(prstat, kipp); 79 else if (tflag) 80 procstat_threads(prstat, kipp); 81 else if (vflag) 82 procstat_vm(prstat, kipp); 83 else if (xflag) 84 procstat_auxv(prstat, kipp); 85 else 86 procstat_basic(kipp); 87 } 88 89 /* 90 * Sort processes first by pid and then tid. 91 */ 92 static int 93 kinfo_proc_compare(const void *a, const void *b) 94 { 95 int i; 96 97 i = ((const struct kinfo_proc *)a)->ki_pid - 98 ((const struct kinfo_proc *)b)->ki_pid; 99 if (i != 0) 100 return (i); 101 i = ((const struct kinfo_proc *)a)->ki_tid - 102 ((const struct kinfo_proc *)b)->ki_tid; 103 return (i); 104 } 105 106 void 107 kinfo_proc_sort(struct kinfo_proc *kipp, int count) 108 { 109 110 qsort(kipp, count, sizeof(*kipp), kinfo_proc_compare); 111 } 112 113 int 114 main(int argc, char *argv[]) 115 { 116 int ch, interval, tmp; 117 int i; 118 struct kinfo_proc *p; 119 struct procstat *prstat, *cprstat; 120 long l; 121 pid_t pid; 122 char *dummy; 123 char *nlistf, *memf; 124 int cnt; 125 126 interval = 0; 127 memf = nlistf = NULL; 128 while ((ch = getopt(argc, argv, "CN:M:abcefijklhstvw:x")) != -1) { 129 switch (ch) { 130 case 'C': 131 Cflag++; 132 break; 133 134 case 'M': 135 memf = optarg; 136 break; 137 case 'N': 138 nlistf = optarg; 139 break; 140 case 'a': 141 aflag++; 142 break; 143 144 case 'b': 145 bflag++; 146 break; 147 148 case 'c': 149 cflag++; 150 break; 151 152 case 'e': 153 eflag++; 154 break; 155 156 case 'f': 157 fflag++; 158 break; 159 160 case 'i': 161 iflag++; 162 break; 163 164 case 'j': 165 jflag++; 166 break; 167 168 case 'k': 169 kflag++; 170 break; 171 172 case 'l': 173 lflag++; 174 break; 175 176 case 'n': 177 nflag++; 178 break; 179 180 case 'h': 181 hflag++; 182 break; 183 184 case 's': 185 sflag++; 186 break; 187 188 case 't': 189 tflag++; 190 break; 191 192 case 'v': 193 vflag++; 194 break; 195 196 case 'w': 197 l = strtol(optarg, &dummy, 10); 198 if (*dummy != '\0') 199 usage(); 200 if (l < 1 || l > INT_MAX) 201 usage(); 202 interval = l; 203 break; 204 205 case 'x': 206 xflag++; 207 break; 208 209 case '?': 210 default: 211 usage(); 212 } 213 214 } 215 argc -= optind; 216 argv += optind; 217 218 /* We require that either 0 or 1 mode flags be set. */ 219 tmp = bflag + cflag + eflag + fflag + iflag + jflag + (kflag ? 1 : 0) + 220 lflag + sflag + tflag + vflag + xflag; 221 if (!(tmp == 0 || tmp == 1)) 222 usage(); 223 224 /* We allow -k to be specified up to twice, but not more. */ 225 if (kflag > 2) 226 usage(); 227 228 /* Must specify either the -a flag or a list of pids. */ 229 if (!(aflag == 1 && argc == 0) && !(aflag == 0 && argc > 0)) 230 usage(); 231 232 /* Only allow -C with -f. */ 233 if (Cflag && !fflag) 234 usage(); 235 236 if (memf != NULL) 237 prstat = procstat_open_kvm(nlistf, memf); 238 else 239 prstat = procstat_open_sysctl(); 240 if (prstat == NULL) 241 errx(1, "procstat_open()"); 242 do { 243 if (aflag) { 244 p = procstat_getprocs(prstat, KERN_PROC_PROC, 0, &cnt); 245 if (p == NULL) 246 errx(1, "procstat_getprocs()"); 247 kinfo_proc_sort(p, cnt); 248 for (i = 0; i < cnt; i++) { 249 procstat(prstat, &p[i]); 250 251 /* Suppress header after first process. */ 252 hflag = 1; 253 } 254 procstat_freeprocs(prstat, p); 255 } 256 for (i = 0; i < argc; i++) { 257 l = strtol(argv[i], &dummy, 10); 258 if (*dummy == '\0') { 259 if (l < 0) 260 usage(); 261 pid = l; 262 263 p = procstat_getprocs(prstat, KERN_PROC_PID, pid, &cnt); 264 if (p == NULL) 265 errx(1, "procstat_getprocs()"); 266 if (cnt != 0) 267 procstat(prstat, p); 268 procstat_freeprocs(prstat, p); 269 } else { 270 cprstat = procstat_open_core(argv[i]); 271 if (cprstat == NULL) { 272 warnx("procstat_open()"); 273 continue; 274 } 275 p = procstat_getprocs(cprstat, KERN_PROC_PID, 276 -1, &cnt); 277 if (p == NULL) 278 errx(1, "procstat_getprocs()"); 279 if (cnt != 0) 280 procstat(cprstat, p); 281 procstat_freeprocs(cprstat, p); 282 procstat_close(cprstat); 283 } 284 /* Suppress header after first process. */ 285 hflag = 1; 286 } 287 if (interval) 288 sleep(interval); 289 } while (interval); 290 procstat_close(prstat); 291 exit(0); 292 } 293