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