bin/ps/keyword.c

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