xref: /dragonfly/bin/ps/keyword.c (revision 40657594)
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
showkey(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
parsefmt(const char * fmt)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
insert_tid_in_fmt(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 *
makevarent(const char * p)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
vcmp(const void * a,const void * b)319 vcmp(const void *a, const void *b)
320 {
321         return (strcmp(((const VAR *)a)->name, ((const VAR *)b)->name));
322 }
323