1 /* $NetBSD: keyword.c,v 1.45 2005/11/05 19:27:24 chs Exp $ */ 2 3 /*- 4 * Copyright (c) 1990, 1993, 1994 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. Neither the name of the University nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 */ 31 32 #include <sys/cdefs.h> 33 #ifndef lint 34 #if 0 35 static char sccsid[] = "@(#)keyword.c 8.5 (Berkeley) 4/2/94"; 36 #else 37 __RCSID("$NetBSD: keyword.c,v 1.45 2005/11/05 19:27:24 chs Exp $"); 38 #endif 39 #endif /* not lint */ 40 41 #include <sys/param.h> 42 #include <sys/time.h> 43 #include <sys/lwp.h> 44 #include <sys/proc.h> 45 #include <sys/resource.h> 46 #include <sys/sysctl.h> 47 #include <sys/ucred.h> 48 49 #include <err.h> 50 #include <errno.h> 51 #include <kvm.h> 52 #include <stddef.h> 53 #include <stdio.h> 54 #include <stdlib.h> 55 #include <string.h> 56 #include <signal.h> 57 58 #include "ps.h" 59 60 static VAR *findvar(const char *); 61 static int vcmp(const void *, const void *); 62 63 #if 0 /* kernel doesn't calculate these */ 64 PUVAR("idrss", "IDRSS", 0, p_uru_idrss, UINT64, PRIu64), 65 PUVAR("isrss", "ISRSS", 0, p_uru_isrss, UINT64, PRId64), 66 PUVAR("ixrss", "IXRSS", 0, p_uru_ixrss, UINT64, PRId64), 67 PUVAR("maxrss", "MAXRSS", 0, p_uru_maxrss, UINT64, PRIu64), 68 #endif 69 70 /* Compute offset in common structures. */ 71 #define POFF(x) offsetof(struct kinfo_proc2, x) 72 #define LOFF(x) offsetof(struct kinfo_lwp, x) 73 74 #define UIDFMT "u" 75 #define UID(n1, n2, off) \ 76 { n1, n2, 0, pvar, POFF(off), UINT32, UIDFMT } 77 #define GID(n1, n2, off) UID(n1, n2, off) 78 79 #define PIDFMT "d" 80 #define PID(n1, n2, off) \ 81 { n1, n2, 0, pvar, POFF(off), INT32, PIDFMT } 82 83 #define LVAR(n1, n2, fl, off, type, fmt) \ 84 { n1, n2, (fl) | LWP, pvar, LOFF(off), type, fmt } 85 #define PVAR(n1, n2, fl, off, type, fmt) \ 86 { n1, n2, (fl) | 0, pvar, POFF(off), type, fmt } 87 #define PUVAR(n1, n2, fl, off, type, fmt) \ 88 { n1, n2, (fl) | UAREA, pvar, POFF(off), type, fmt } 89 90 /* NB: table must be sorted, in vi use: 91 * :/^VAR/,/end_sort/! sort -t\" +1 92 * breaking long lines just makes the sort harder 93 */ 94 VAR var[] = { 95 {"%cpu", "%CPU", 0, pcpu, 0, PCPU}, 96 {"%mem", "%MEM", 0, pmem, POFF(p_vm_rssize), INT32}, 97 PVAR("acflag", "ACFLG", 0, p_acflag, USHORT, "x"), 98 {"acflg", "acflag", ALIAS}, 99 {"args", "command", ALIAS}, 100 {"blocked", "sigmask", ALIAS}, 101 {"caught", "sigcatch", ALIAS}, 102 {"comm", "COMMAND", COMM|ARGV0|LJUST, command}, 103 {"command", "COMMAND", COMM|LJUST, command}, 104 PVAR("cpu", "CPU", 0, p_estcpu, UINT, "u"), 105 {"cputime", "time", ALIAS}, 106 {"ctime", "CTIME", 0, putimeval, POFF(p_uctime_sec), TIMEVAL}, 107 GID("egid", "EGID", p_gid), 108 {"egroup", "EGROUP", LJUST, gname}, 109 {"etime", "ELAPSED", 0, elapsed, POFF(p_ustart_sec), TIMEVAL}, 110 UID("euid", "EUID", p_uid), 111 {"euser", "EUSER", LJUST, uname}, 112 PVAR("f", "F", 0, p_flag, INT, "x"), 113 {"flags", "f", ALIAS}, 114 GID("gid", "GID", p_gid), 115 {"group", "GROUP", LJUST, gname}, 116 {"groupnames", "GROUPNAMES", LJUST, groupnames}, 117 {"groups", "GROUPS", LJUST, groups}, 118 LVAR("holdcnt", "HOLDCNT", 0, l_holdcnt, INT, "d"), 119 {"ignored", "sigignore", ALIAS}, 120 PUVAR("inblk", "INBLK", 0, p_uru_inblock, UINT64, PRIu64), 121 {"inblock", "inblk", ALIAS}, 122 PVAR("jobc", "JOBC", 0, p_jobc, SHORT, "d"), 123 PVAR("ktrace", "KTRACE", 0, p_traceflag, INT, "x"), 124 /*XXX*/ PVAR("ktracep", "KTRACEP", 0, p_tracep, KPTR, PRIx64), 125 LVAR("laddr", "LADDR", 0, l_laddr, KPTR, PRIx64), 126 LVAR("lid", "LID", 0, l_lid, INT32, "d"), 127 {"lim", "LIM", 0, maxrss}, 128 {"login", "LOGIN", LJUST, logname}, 129 {"logname", "login", ALIAS}, 130 {"lstart", "STARTED", LJUST, lstarted, POFF(p_ustart_sec), UINT32}, 131 {"lstate", "STAT", LJUST|LWP, lstate}, 132 PUVAR("majflt", "MAJFLT", 0, p_uru_majflt, UINT64, PRIu64), 133 PUVAR("minflt", "MINFLT", 0, p_uru_minflt, UINT64, PRIu64), 134 PUVAR("msgrcv", "MSGRCV", 0, p_uru_msgrcv, UINT64, PRIu64), 135 PUVAR("msgsnd", "MSGSND", 0, p_uru_msgsnd, UINT64, PRIu64), 136 {"ni", "nice", ALIAS}, 137 {"nice", "NI", 0, pnice, POFF(p_nice), UCHAR}, 138 PUVAR("nivcsw", "NIVCSW", 0, p_uru_nivcsw, UINT64, PRIu64), 139 PVAR("nlwp", "NLWP", 0, p_nlwps, UINT64, PRId64), 140 {"nsignals", "nsigs", ALIAS}, 141 PUVAR("nsigs", "NSIGS", 0, p_uru_nsignals, UINT64, PRIu64), 142 PUVAR("nswap", "NSWAP", 0, p_uru_nswap, UINT64, PRIu64), 143 PUVAR("nvcsw", "NVCSW", 0, p_uru_nvcsw, UINT64, PRIu64), 144 /*XXX*/ LVAR("nwchan", "WCHAN", 0, l_wchan, KPTR, PRIx64), 145 PUVAR("oublk", "OUBLK", 0, p_uru_oublock, UINT64, PRIu64), 146 {"oublock", "oublk", ALIAS}, 147 /*XXX*/ PVAR("p_ru", "P_RU", 0, p_ru, KPTR, PRIx64), 148 /*XXX*/ PVAR("paddr", "PADDR", 0, p_paddr, KPTR, PRIx64), 149 PUVAR("pagein", "PAGEIN", 0, p_uru_majflt, UINT64, PRIu64), 150 {"pcpu", "%cpu", ALIAS}, 151 {"pending", "sig", ALIAS}, 152 PID("pgid", "PGID", p__pgid), 153 PID("pid", "PID", p_pid), 154 {"pmem", "%mem", ALIAS}, 155 PID("ppid", "PPID", p_ppid), 156 {"pri", "PRI", LWP, pri}, 157 LVAR("re", "RE", INF127, l_swtime, UINT, "u"), 158 GID("rgid", "RGID", p_rgid), 159 {"rgroup", "RGROUP", LJUST, rgname}, 160 /*XXX*/ LVAR("rlink", "RLINK", 0, l_back, KPTR, PRIx64), 161 PVAR("rlwp", "RLWP", 0, p_nrlwps, UINT64, PRId64), 162 {"rss", "RSS", 0, p_rssize, POFF(p_vm_rssize), INT32}, 163 {"rssize", "rsz", ALIAS}, 164 {"rsz", "RSZ", 0, rssize, POFF(p_vm_rssize), INT32}, 165 UID("ruid", "RUID", p_ruid), 166 {"ruser", "RUSER", LJUST, runame}, 167 PVAR("sess", "SESS", 0, p_sess, KPTR24, PRIx64), 168 PID("sid", "SID", p_sid), 169 PVAR("sig", "PENDING", 0, p_siglist, SIGLIST, "s"), 170 PVAR("sigcatch", "CAUGHT", 0, p_sigcatch, SIGLIST, "s"), 171 PVAR("sigignore", "IGNORED", 0, p_sigignore, SIGLIST, "s"), 172 PVAR("sigmask", "BLOCKED", 0, p_sigmask, SIGLIST, "s"), 173 LVAR("sl", "SL", INF127, l_slptime, UINT, "u"), 174 {"start", "STARTED", 0, started, POFF(p_ustart_sec), UINT32}, 175 {"stat", "state", ALIAS}, 176 {"state", "STAT", LJUST, state}, 177 {"stime", "STIME", 0, putimeval, POFF(p_ustime_sec), TIMEVAL}, 178 GID("svgid", "SVGID", p_svgid), 179 {"svgroup", "SVGROUP", LJUST, svgname}, 180 UID("svuid", "SVUID", p_svuid), 181 {"svuser", "SVUSER", LJUST, svuname}, 182 /* "tdev" is UINT32, but we do this for sorting purposes */ 183 {"tdev", "TDEV", 0, tdev, POFF(p_tdev), INT32}, 184 {"time", "TIME", 0, cputime, 0, CPUTIME}, 185 PID("tpgid", "TPGID", p_tpgid), 186 PVAR("tsess", "TSESS", 0, p_tsess, KPTR, PRIx64), 187 {"tsiz", "TSIZ", 0, tsize, POFF(p_vm_tsize), INT32}, 188 {"tt", "TTY", LJUST, tname, POFF(p_tdev), INT32}, 189 {"tty", "TTY", LJUST, longtname, POFF(p_tdev), INT32}, 190 LVAR("uaddr", "UADDR", 0, l_addr, KPTR, PRIx64), 191 {"ucomm", "UCOMM", LJUST, ucomm}, 192 UID("uid", "UID", p_uid), 193 LVAR("upr", "UPR", 0, l_usrpri, UCHAR, "u"), 194 {"user", "USER", LJUST, uname}, 195 {"usrpri", "upr", ALIAS}, 196 {"utime", "UTIME", 0, putimeval, POFF(p_uutime_sec), TIMEVAL}, 197 {"vsize", "vsz", ALIAS}, 198 {"vsz", "VSZ", 0, vsize, 0, VSIZE}, 199 {"wchan", "WCHAN", LJUST|LWP, wchan}, 200 PVAR("xstat", "XSTAT", 0, p_xstat, USHORT, "x"), 201 /* "zzzz" end_sort */ 202 {""}, 203 }; 204 205 void 206 showkey(void) 207 { 208 VAR *v; 209 int i; 210 const char *p; 211 const char *sep; 212 213 i = 0; 214 sep = ""; 215 for (v = var; *(p = v->name); ++v) { 216 int len = strlen(p); 217 if (termwidth && (i += len + 1) > termwidth) { 218 i = len; 219 sep = "\n"; 220 } 221 (void)printf("%s%s", sep, p); 222 sep = " "; 223 } 224 (void)printf("\n"); 225 } 226 227 static void 228 parsevarlist(const char *pp, struct varent **head, struct varent **tail) 229 { 230 char *p; 231 232 /* dup to avoid zapping arguments, can't free because it 233 might contain a header. */ 234 p = strdup(pp); 235 236 #define FMTSEP " \t,\n" 237 while (p && *p) { 238 char *cp; 239 VAR *v; 240 struct varent *vent; 241 242 while ((cp = strsep(&p, FMTSEP)) != NULL && *cp == '\0') 243 /* void */; 244 if (cp == NULL || !(v = findvar(cp))) 245 continue; 246 if ((vent = malloc(sizeof(struct varent))) == NULL) 247 err(1, NULL); 248 vent->var = v; 249 vent->next = NULL; 250 if (*head == NULL) 251 *head = vent; 252 else 253 (*tail)->next = vent; 254 *tail = vent; 255 } 256 if (!*head) 257 errx(1, "no valid keywords"); 258 } 259 260 void 261 parsefmt(const char *p) 262 { 263 static struct varent *vtail; 264 265 parsevarlist(p, &vhead, &vtail); 266 } 267 268 void 269 parsesort(const char *p) 270 { 271 static struct varent *sorttail; 272 273 parsevarlist(p, &sorthead, &sorttail); 274 } 275 276 static VAR * 277 findvar(const char *p) 278 { 279 VAR *v; 280 char *hp; 281 282 hp = strchr(p, '='); 283 if (hp) 284 *hp++ = '\0'; 285 286 v = bsearch(p, var, sizeof(var)/sizeof(VAR) - 1, sizeof(VAR), vcmp); 287 if (v && v->flag & ALIAS) 288 v = findvar(v->header); 289 if (!v) { 290 warnx("%s: keyword not found", p); 291 eval = 1; 292 return NULL; 293 } 294 295 if (v && hp) 296 v->header = hp; 297 return v; 298 } 299 300 static int 301 vcmp(const void *a, const void *b) 302 { 303 return strcmp(a, ((const VAR *)b)->name); 304 } 305