1 /*- 2 * Copyright (c) 1990, 1993, 1994 3 * The Regents of the University of California. 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 * 3. Neither the name of the University nor the names of its contributors 14 * may be used to endorse or promote products derived from this software 15 * without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * @(#)keyword.c 8.5 (Berkeley) 4/2/94 30 * $FreeBSD: src/bin/ps/keyword.c,v 1.24.2.3 2002/10/10 20:05:32 jmallett Exp $ 31 * $DragonFly: src/bin/ps/keyword.c,v 1.30 2007/11/25 18:10:06 swildner Exp $ 32 */ 33 34 #include <sys/user.h> 35 #include <sys/kinfo.h> 36 #include <sys/param.h> 37 #include <sys/time.h> 38 #include <sys/queue.h> 39 #include <sys/resource.h> 40 #include <sys/sysctl.h> 41 #include <sys/ucred.h> 42 43 #include <err.h> 44 #include <errno.h> 45 #include <stddef.h> 46 #include <stdio.h> 47 #include <stdlib.h> 48 #include <string.h> 49 #include <utmp.h> 50 51 #include "ps.h" 52 53 static struct varent *makevarent(const char *); 54 static int vcmp(const void *, const void *); 55 56 struct varent_head var_head = STAILQ_HEAD_INITIALIZER(var_head); 57 58 #ifdef NOTINUSE 59 int utime(), stime(), ixrss(), idrss(), isrss(); 60 {{"utime"}, "UTIME", USER, utime, NULL, 4}, 61 {{"stime"}, "STIME", USER, stime, NULL, 4}, 62 {{"ixrss"}, "IXRSS", USER, ixrss, NULL, 4}, 63 {{"idrss"}, "IDRSS", USER, idrss, NULL, 4}, 64 {{"isrss"}, "ISRSS", USER, isrss, NULL, 4}, 65 #endif 66 67 /* Compute offset in common structures. */ 68 #define POFF(x) offsetof(struct kinfo_proc, kp_##x) 69 #define LPOFF(x) offsetof(struct kinfo_lwp, kl_##x) 70 #define ROFF(x) offsetof(struct rusage, x) 71 72 #define UIDFMT "u" 73 #define UIDLEN 5 74 #define PIDFMT "d" 75 #define PIDLEN 5 76 #define USERLEN UT_NAMESIZE 77 78 static const VAR var[] = { 79 {"%cpu", "%CPU", NULL, 0, pcpu, NULL, 4, 0, 0, NULL, NULL}, 80 {"%mem", "%MEM", NULL, 0, pmem, NULL, 4, 0, 0, NULL, NULL}, 81 {"acflag", "ACFLG", NULL, 0, pvar, NULL, 3, POFF(acflag), USHORT, "x", 82 NULL}, 83 {"acflg", "", "acflag", 0, NULL, NULL, 0, 0, 0, NULL, NULL}, 84 {"batch", "BAT", NULL, 0, lpest, NULL, 3, LPOFF(origcpu), UINT, "d", NULL}, 85 {"blocked", "", "sigmask", 0, NULL, NULL, 0, 0, 0, NULL, NULL}, 86 {"caught", "", "sigcatch", 0, NULL, NULL, 0, 0, 0, NULL, NULL}, 87 {"comm", "", "ucomm", 0, NULL, NULL, 0, 0, 0, NULL, NULL}, 88 {"command", "COMMAND", NULL, COMM|LJUST|USER, command, NULL, 16, 0, 0, NULL, 89 NULL}, 90 {"cpu", "CPU", NULL, 0, lpest, NULL, 3, LPOFF(estcpu), UINT, "d", NULL}, 91 {"cputime", "", "time", 0, NULL, NULL, 0, 0, 0, NULL, NULL}, 92 {"f", "F", NULL, 0, pvar, NULL, 7, POFF(flags), INT, "x", NULL}, 93 {"flags", "", "f", 0, NULL, NULL, 0, 0, 0, NULL, NULL}, 94 #if 0 95 {"iac", "IAC", NULL, 0, pvar, NULL, 4, POFF(p_usdata.bsd4.interactive), CHAR, PIDFMT, 96 NULL}, 97 #endif 98 {"ignored", "", "sigignore", 0, NULL, NULL, 0, 0, 0, NULL, NULL}, 99 {"inblk", "INBLK", NULL, USER, rvar, NULL, 4, ROFF(ru_inblock), LONG, "ld", 100 NULL}, 101 {"inblock", "", "inblk", 0, NULL, NULL, 0, 0, 0, NULL, NULL}, 102 {"jail", "JAIL", NULL, 0, pvar, NULL, 3, POFF(jailid), INT, "d", NULL}, 103 {"jobc", "JOBC", NULL, 0, pvar, NULL, 4, POFF(jobc), SHORT, "d", NULL}, 104 {"ktrace", "KTRACE", NULL, 0, pvar, NULL, 8, POFF(traceflag), INT, "x", 105 NULL}, 106 #if 0 107 {"ktracep", "KTRACEP", NULL, 0, pvar, NULL, 8, POFF(p_tracenode), LONG, "lx", 108 NULL}, 109 #endif 110 {"lastcpu", "C", NULL, 0, lpvar, NULL, 3, LPOFF(cpuid), UINT, "d", NULL}, 111 {"lim", "LIM", NULL, 0, maxrss, NULL, 5, 0, 0, NULL, NULL}, 112 {"login", "LOGIN", NULL, LJUST, logname, NULL, MAXLOGNAME-1, 0, 0, NULL, 113 NULL}, 114 {"logname", "", "login", 0, NULL, NULL, 0, 0, 0, NULL, NULL}, 115 {"lstart", "STARTED", NULL, LJUST|USER, lstarted, NULL, 28, 0, 0, NULL, NULL}, 116 {"majflt", "MAJFLT", NULL, USER, rvar, NULL, 4, ROFF(ru_majflt), LONG, "ld", 117 NULL}, 118 {"minflt", "MINFLT", NULL, USER, rvar, NULL, 4, ROFF(ru_minflt), LONG, "ld", 119 NULL}, 120 {"msgrcv", "MSGRCV", NULL, USER, rvar, NULL, 4, ROFF(ru_msgrcv), LONG, "ld", 121 NULL}, 122 {"msgsnd", "MSGSND", NULL, USER, rvar, NULL, 4, ROFF(ru_msgsnd), LONG, "ld", 123 NULL}, 124 {"ni", "", "nice", 0, NULL, NULL, 0, 0, 0, NULL, NULL}, 125 {"nice", "NI", NULL, 0, pnice, NULL, 3, 0, 0, NULL, NULL}, 126 {"nivcsw", "NIVCSW", NULL, USER, rvar, NULL, 5, ROFF(ru_nivcsw), LONG, "ld", 127 NULL}, 128 {"nlwp", "NLWP", NULL, 0, pvar, NULL, 4, POFF(nthreads), INT, "d", 129 NULL}, 130 {"nsignals", "", "nsigs", 0, NULL, NULL, 0, 0, 0, NULL, NULL}, 131 {"nsigs", "NSIGS", NULL, USER, rvar, NULL, 4, ROFF(ru_nsignals), LONG, "ld", 132 NULL}, 133 {"nswap", "NSWAP", NULL, USER, rvar, NULL, 4, ROFF(ru_nswap), LONG, "ld", 134 NULL}, 135 {"nvcsw", "NVCSW", NULL, USER, rvar, NULL, 5, ROFF(ru_nvcsw), LONG, "ld", 136 NULL}, 137 {"nwchan", "WCHAN", NULL, 0, lpvar, NULL, 8, LPOFF(wchan), KPTR, "lx", NULL}, 138 {"oublk", "OUBLK", NULL, USER, rvar, NULL, 4, ROFF(ru_oublock), LONG, "ld", 139 NULL}, 140 {"oublock", "", "oublk", 0, NULL, NULL, 0, 0, 0, NULL, NULL}, 141 {"p_ru", "P_RU", NULL, 0, pvar, NULL, 6, POFF(ru), KPTR, "lx", NULL}, 142 {"paddr", "PADDR", NULL, 0, pvar, NULL, 8, POFF(paddr), KPTR, "lx", NULL}, 143 {"pagein", "PAGEIN", NULL, USER, pagein, NULL, 6, 0, 0, NULL, NULL}, 144 {"pcpu", "", "%cpu", 0, NULL, NULL, 0, 0, 0, NULL, NULL}, 145 {"pending", "", "sig", 0, NULL, NULL, 0, 0, 0, NULL, NULL}, 146 {"pgid", "PGID", NULL, 0, pvar, NULL, PIDLEN, POFF(pgid), UINT, PIDFMT, 147 NULL}, 148 {"pid", "PID", NULL, 0, pvar, NULL, PIDLEN, POFF(pid), UINT, PIDFMT, 149 NULL}, 150 {"pmem", "", "%mem", 0, NULL, NULL, 0, 0, 0, NULL, NULL}, 151 {"ppid", "PPID", NULL, 0, pvar, NULL, PIDLEN, POFF(ppid), UINT, PIDFMT, 152 NULL}, 153 {"pri", "PRI", NULL, 0, pri, NULL, 3, 0, 0, NULL, NULL}, 154 {"re", "RE", NULL, 0, lpvar, NULL, 3, POFF(swtime), UINT, "d", NULL}, 155 {"rgid", "RGID", NULL, 0, pvar, NULL, UIDLEN, POFF(rgid), 156 UINT, UIDFMT, NULL}, 157 #if 0 158 {"rlink", "RLINK", NULL, 0, pvar, NULL, 8, POFF(p_lwp.lwp_procq.tqe_prev), KPTR, "lx", 159 NULL}, 160 #endif 161 {"rss", "RSS", NULL, 0, p_rssize, NULL, 6, 0, 0, NULL, NULL}, 162 {"rssize", "", "rsz", 0, NULL, NULL, 0, 0, 0, NULL, NULL}, 163 {"rsz", "RSZ", NULL, 0, rssize, NULL, 6, 0, 0, NULL, NULL}, 164 {"rtprio", "RTPRIO", NULL, 0, rtprior, NULL, 7, 0, 0, NULL, NULL}, 165 {"ruid", "RUID", NULL, 0, pvar, NULL, UIDLEN, POFF(ruid), 166 UINT, UIDFMT, NULL}, 167 {"ruser", "RUSER", NULL, LJUST|DSIZ, runame, s_runame, USERLEN, 0, 0, NULL, 168 NULL}, 169 {"sess", "SESS", NULL, 0, pvar, NULL, 6, POFF(sid), UINT, PIDFMT, NULL}, 170 {"sig", "PENDING", NULL, 0, pvar, NULL, 8, POFF(siglist), INT, "x", NULL}, 171 {"sigcatch", "CAUGHT", NULL, 0, pvar, NULL, 8, POFF(sigcatch), 172 UINT, "x", NULL}, 173 {"sigignore", "IGNORED", NULL, 0, pvar, NULL, 8, POFF(sigignore), 174 UINT, "x", NULL}, 175 {"sigmask", "BLOCKED", NULL, 0, lpvar, NULL, 8, LPOFF(sigmask), UINT, "x", 176 NULL}, 177 {"sl", "SL", NULL, 0, lpvar, NULL, 3, LPOFF(slptime), UINT, "d", NULL}, 178 {"start", "STARTED", NULL, LJUST|USER, started, NULL, 7, 0, 0, NULL, NULL}, 179 {"stat", "", "state", 0, NULL, NULL, 0, 0, 0, NULL, NULL}, 180 {"state", "STAT ", NULL, 0, state, NULL, 6, 0, 0, NULL, NULL}, 181 {"svgid", "SVGID", NULL, 0, pvar, NULL, UIDLEN, POFF(svgid), UINT, 182 UIDFMT, NULL}, 183 {"svuid", "SVUID", NULL, 0, pvar, NULL, UIDLEN, POFF(svuid), UINT, 184 UIDFMT, NULL}, 185 {"tdev", "TDEV", NULL, 0, tdev, NULL, 4, 0, 0, NULL, NULL}, 186 {"tdpri", "TDPRI", NULL, 0, tdpri, NULL, 5, 0, 0, NULL, NULL}, 187 {"tid", "TID", NULL, 0, lpvar, NULL, PIDLEN, LPOFF(tid), UINT, PIDFMT, 188 NULL}, 189 {"time", "TIME", NULL, USER, cputime, NULL, 9, 0, 0, NULL, NULL}, 190 {"tpgid", "TPGID", NULL, 0, pvar, NULL, 4, POFF(tpgid), UINT, PIDFMT, NULL}, 191 {"tsess", "TSESS", NULL, 0, pvar, NULL, 6, POFF(tsid), UINT, PIDFMT, NULL}, 192 {"tsig", "PENDING", NULL, 0, lpvar, NULL, 8, LPOFF(siglist), INT, "x", NULL}, 193 {"tsiz", "TSIZ", NULL, 0, tsize, NULL, 4, 0, 0, NULL, NULL}, 194 {"tt", "TT ", NULL, 0, tname, NULL, 2, 0, 0, NULL, NULL}, 195 {"tty", "TTY", NULL, LJUST, longtname, NULL, 8, 0, 0, NULL, NULL}, 196 {"ucomm", "UCOMM", NULL, LJUST, ucomm, NULL, MAXCOMLEN, 0, 0, NULL, NULL}, 197 {"uid", "UID", NULL, 0, pvar, NULL, UIDLEN, POFF(uid), 198 UINT, UIDFMT, NULL}, 199 {"user", "USER", NULL, LJUST|DSIZ, uname, s_uname, USERLEN, 0, 0, NULL, NULL}, 200 {"vsize", "", "vsz", 0, 0, NULL, 0, 0, 0, NULL, NULL}, 201 {"vsz", "VSZ", NULL, 0, vsize, NULL, 6, 0, 0, NULL, NULL}, 202 {"wchan", "WCHAN", NULL, LJUST, wchan, NULL, WMESGLEN, 0, 0, NULL, NULL}, 203 {"xstat", "XSTAT", NULL, 0, pvar, NULL, 7, POFF(exitstat), USHORT, "x", NULL}, 204 {"", NULL, NULL, 0, NULL, NULL, 0, 0, 0, NULL, NULL}, 205 }; 206 207 void 208 showkey(void) 209 { 210 const VAR *v; 211 int i; 212 const char *p, *sep; 213 214 i = 0; 215 sep = ""; 216 for (v = var; *(p = v->name); ++v) { 217 int len = strlen(p); 218 if (termwidth && (i += len + 1) > termwidth) { 219 i = len; 220 sep = "\n"; 221 } 222 printf("%s%s", sep, p); 223 sep = " "; 224 } 225 printf("\n"); 226 } 227 228 void 229 parsefmt(const char *fmt) 230 { 231 struct varent *vent; 232 char *p, *op; 233 const char *cp; 234 235 op = p = strdup(fmt); 236 237 if (op == NULL) 238 errx(1, "Not enough memory"); 239 240 #define FMTSEP " \t,\n" 241 while (p != NULL && *p != '\0') { 242 while ((cp = strsep(&p, FMTSEP)) != NULL && *cp == '\0') 243 /* void */; 244 if (cp == NULL) 245 continue; 246 if ((vent = makevarent(cp)) == NULL) 247 continue; 248 STAILQ_INSERT_TAIL(&var_head, vent, link); 249 } 250 if (STAILQ_EMPTY(&var_head)) { 251 warnx("no valid keywords; valid keywords:"); 252 showkey(); 253 exit(1); 254 } 255 256 free(op); 257 } 258 259 /* 260 * Insert TID column after PID one in selected output format. 261 */ 262 void 263 insert_tid_in_fmt(void) 264 { 265 struct varent *tidvent; 266 struct varent *vent; 267 268 if ((tidvent = makevarent("tid")) == NULL) 269 errx(1, "Not enough memory"); 270 271 STAILQ_FOREACH(vent, &var_head, link) { 272 if (strcmp(vent->var->name, "pid") == 0) { 273 STAILQ_INSERT_AFTER(&var_head, vent, tidvent, link); 274 break; 275 } 276 } 277 } 278 279 static struct varent * 280 makevarent(const char *p) 281 { 282 struct varent *vent = NULL; 283 const VAR *v; 284 VAR key; 285 char *hp; 286 287 hp = strchr(p, '='); 288 if (hp) 289 *hp++ = '\0'; 290 291 key.name = p; 292 v = bsearch(&key, var, sizeof(var)/sizeof(VAR) - 1, sizeof(VAR), vcmp); 293 294 if (v && v->alias) { 295 if (hp) { 296 warnx("%s: illegal keyword specification", p); 297 eval = 1; 298 } 299 parsefmt(v->alias); 300 return(NULL); 301 } 302 if (!v) { 303 warnx("%s: keyword not found", p); 304 eval = 1; 305 return(NULL); 306 } 307 if ((vent = malloc(sizeof(struct varent))) == NULL) 308 err(1, NULL); 309 vent->var = v; 310 vent->width = v->width; 311 if (hp) { 312 vent->header = strdup(hp); 313 if (vent->header == NULL) 314 err(1, "Not enough memory"); 315 } 316 else 317 vent->header = v->header; 318 return (vent); 319 } 320 321 static int 322 vcmp(const void *a, const void *b) 323 { 324 return (strcmp(((const VAR *)a)->name, ((const VAR *)b)->name)); 325 } 326