keyword.c revision 1.39 1 /* $NetBSD: keyword.c,v 1.39 2004/03/27 14:49:13 simonb 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 1.39 2004/03/27 14:49:13 simonb 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 {"blocked", "sigmask", ALIAS},
100 {"caught", "sigcatch", ALIAS},
101 {"command", "COMMAND", COMM|LJUST, command},
102 PVAR("cpu", "CPU", 0, p_estcpu, UINT, "u"),
103 {"cputime", "time", ALIAS},
104 {"ctime", "CTIME", 0, putimeval, POFF(p_uctime_sec), TIMEVAL},
105 GID("egid", "EGID", p_gid),
106 {"egroup", "EGROUP", LJUST, gname},
107 {"etime", "ELAPSED", 0, elapsed, POFF(p_ustart_sec), TIMEVAL},
108 UID("euid", "EUID", p_uid),
109 {"euser", "EUSER", LJUST, uname},
110 PVAR("f", "F", 0, p_flag, INT, "x"),
111 {"flags", "f", ALIAS},
112 GID("gid", "GID", p_gid),
113 {"group", "GROUP", LJUST, gname},
114 {"groupnames", "GROUPNAMES", LJUST, groupnames},
115 {"groups", "GROUPS", LJUST, groups},
116 LVAR("holdcnt", "HOLDCNT", 0, l_holdcnt, INT, "d"),
117 {"ignored", "sigignore", ALIAS},
118 PUVAR("inblk", "INBLK", 0, p_uru_inblock, UINT64, PRIu64),
119 {"inblock", "inblk", ALIAS},
120 PVAR("jobc", "JOBC", 0, p_jobc, SHORT, "d"),
121 PVAR("ktrace", "KTRACE", 0, p_traceflag, INT, "x"),
122 /*XXX*/ PVAR("ktracep", "KTRACEP", 0, p_tracep, KPTR, PRIx64),
123 LVAR("lid", "LID", 0, l_lid, ULONG, "d"),
124 {"lim", "LIM", 0, maxrss},
125 {"login", "LOGIN", LJUST, logname},
126 {"logname", "login", ALIAS},
127 {"lstart", "STARTED", LJUST, lstarted, POFF(p_ustart_sec), UINT32},
128 {"lstate", "STAT", LJUST|LWP, lstate},
129 PUVAR("majflt", "MAJFLT", 0, p_uru_majflt, UINT64, PRIu64),
130 PUVAR("minflt", "MINFLT", 0, p_uru_minflt, UINT64, PRIu64),
131 PUVAR("msgrcv", "MSGRCV", 0, p_uru_msgrcv, UINT64, PRIu64),
132 PUVAR("msgsnd", "MSGSND", 0, p_uru_msgsnd, UINT64, PRIu64),
133 {"ni", "nice", ALIAS},
134 {"nice", "NI", 0, pnice, POFF(p_nice), UCHAR},
135 PUVAR("nivcsw", "NIVCSW", 0, p_uru_nivcsw, UINT64, PRIu64),
136 PVAR("nlwp", "NLWP", 0, p_nlwps, UINT64, PRId64),
137 {"nsignals", "nsigs", ALIAS},
138 PUVAR("nsigs", "NSIGS", 0, p_uru_nsignals, UINT64, PRIu64),
139 PUVAR("nswap", "NSWAP", 0, p_uru_nswap, UINT64, PRIu64),
140 PUVAR("nvcsw", "NVCSW", 0, p_uru_nvcsw, UINT64, PRIu64),
141 /*XXX*/ LVAR("nwchan", "WCHAN", 0, l_wchan, KPTR, PRIx64),
142 PUVAR("oublk", "OUBLK", 0, p_uru_oublock, UINT64, PRIu64),
143 {"oublock", "oublk", ALIAS},
144 /*XXX*/ PVAR("p_ru", "P_RU", 0, p_ru, KPTR, PRIx64),
145 /*XXX*/ PVAR("paddr", "PADDR", 0, p_paddr, KPTR, PRIx64),
146 PUVAR("pagein", "PAGEIN", 0, p_uru_majflt, UINT64, PRIu64),
147 {"pcpu", "%cpu", ALIAS},
148 {"pending", "sig", ALIAS},
149 PID("pgid", "PGID", p__pgid),
150 PID("pid", "PID", p_pid),
151 {"pmem", "%mem", ALIAS},
152 PID("ppid", "PPID", p_ppid),
153 {"pri", "PRI", LWP, pri},
154 LVAR("re", "RE", INF127, l_swtime, UINT, "u"),
155 GID("rgid", "RGID", p_rgid),
156 {"rgroup", "RGROUP", LJUST, rgname},
157 /*XXX*/ LVAR("rlink", "RLINK", 0, l_back, KPTR, PRIx64),
158 PVAR("rlwp", "RLWP", 0, p_nrlwps, UINT64, PRId64),
159 {"rss", "RSS", 0, p_rssize, POFF(p_vm_rssize), INT32},
160 {"rssize", "rsz", ALIAS},
161 {"rsz", "RSZ", 0, rssize, POFF(p_vm_rssize), INT32},
162 UID("ruid", "RUID", p_ruid),
163 {"ruser", "RUSER", LJUST, runame},
164 PVAR("sess", "SESS", 0, p_sess, KPTR24, PRIx64),
165 PID("sid", "SID", p_sid),
166 PVAR("sig", "PENDING", 0, p_siglist, SIGLIST, "s"),
167 PVAR("sigcatch", "CAUGHT", 0, p_sigcatch, SIGLIST, "s"),
168 PVAR("sigignore", "IGNORED", 0, p_sigignore, SIGLIST, "s"),
169 PVAR("sigmask", "BLOCKED", 0, p_sigmask, SIGLIST, "s"),
170 LVAR("sl", "SL", INF127, l_slptime, UINT, "u"),
171 {"start", "STARTED", 0, started, POFF(p_ustart_sec), UINT32},
172 {"stat", "state", ALIAS},
173 {"state", "STAT", LJUST, state},
174 {"stime", "STIME", 0, putimeval, POFF(p_ustime_sec), TIMEVAL},
175 GID("svgid", "SVGID", p_svgid),
176 {"svgroup", "SVGROUP", LJUST, svgname},
177 UID("svuid", "SVUID", p_svuid),
178 {"svuser", "SVUSER", LJUST, svuname},
179 /* "tdev" is UINT32, but we do this for sorting purposes */
180 {"tdev", "TDEV", 0, tdev, POFF(p_tdev), INT32},
181 {"time", "TIME", 0, cputime, 0, CPUTIME},
182 PID("tpgid", "TPGID", p_tpgid),
183 PVAR("tsess", "TSESS", 0, p_tsess, KPTR, PRIx64),
184 {"tsiz", "TSIZ", 0, tsize, POFF(p_vm_tsize), INT32},
185 {"tt", "TT", LJUST, tname, POFF(p_tdev), INT32},
186 {"tty", "TT", LJUST, longtname, POFF(p_tdev), INT32},
187 {"ucomm", "UCOMM", LJUST, ucomm},
188 UID("uid", "UID", p_uid),
189 LVAR("upr", "UPR", 0, l_usrpri, UCHAR, "u"),
190 {"user", "USER", LJUST, uname},
191 {"usrpri", "upr", ALIAS},
192 {"utime", "UTIME", 0, putimeval, POFF(p_uutime_sec), TIMEVAL},
193 {"vsize", "vsz", ALIAS},
194 {"vsz", "VSZ", 0, vsize, 0, VSIZE},
195 {"wchan", "WCHAN", LJUST|LWP, wchan},
196 PVAR("xstat", "XSTAT", 0, p_xstat, USHORT, "x"),
197 /* "zzzz" end_sort */
198 {""},
199 };
200
201 void
202 showkey(void)
203 {
204 VAR *v;
205 int i;
206 char *p, *sep;
207
208 i = 0;
209 sep = "";
210 for (v = var; *(p = v->name); ++v) {
211 int len = strlen(p);
212 if (termwidth && (i += len + 1) > termwidth) {
213 i = len;
214 sep = "\n";
215 }
216 (void)printf("%s%s", sep, p);
217 sep = " ";
218 }
219 (void)printf("\n");
220 }
221
222 static void
223 parsevarlist(const char *pp, struct varent **head, struct varent **tail)
224 {
225 char *p;
226
227 /* dup to avoid zapping arguments, can't free because it
228 might contain a header. */
229 p = strdup(pp);
230
231 #define FMTSEP " \t,\n"
232 while (p && *p) {
233 char *cp;
234 VAR *v;
235 struct varent *vent;
236
237 while ((cp = strsep(&p, FMTSEP)) != NULL && *cp == '\0')
238 /* void */;
239 if (cp == NULL || !(v = findvar(cp)))
240 continue;
241 if ((vent = malloc(sizeof(struct varent))) == NULL)
242 err(1, NULL);
243 vent->var = v;
244 vent->next = NULL;
245 if (*head == NULL)
246 *head = vent;
247 else
248 (*tail)->next = vent;
249 *tail = vent;
250 }
251 if (!*head)
252 errx(1, "no valid keywords");
253 }
254
255 void
256 parsefmt(const char *p)
257 {
258 static struct varent *vtail;
259
260 parsevarlist(p, &vhead, &vtail);
261 }
262
263 void
264 parsesort(const char *p)
265 {
266 static struct varent *sorttail;
267
268 parsevarlist(p, &sorthead, &sorttail);
269 }
270
271 static VAR *
272 findvar(const char *p)
273 {
274 VAR *v;
275 char *hp;
276
277 hp = strchr(p, '=');
278 if (hp)
279 *hp++ = '\0';
280
281 v = bsearch(p, var, sizeof(var)/sizeof(VAR) - 1, sizeof(VAR), vcmp);
282 if (v && v->flag & ALIAS)
283 v = findvar(v->header);
284 if (!v) {
285 warnx("%s: keyword not found", p);
286 eval = 1;
287 return NULL;
288 }
289
290 if (v && hp)
291 v->header = hp;
292 return v;
293 }
294
295 static int
296 vcmp(const void *a, const void *b)
297 {
298 return strcmp(a, ((VAR *)b)->name);
299 }
300