keyword.c revision 1.36 1 /* $NetBSD: keyword.c,v 1.36 2003/12/16 14:26:46 mjl 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 1.36 2003/12/16 14:26:46 mjl 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 UID("euid", "EUID", p_uid),
108 {"euser", "EUSER", LJUST, uname},
109 PVAR("f", "F", 0, p_flag, INT, "x"),
110 {"flags", "f", ALIAS},
111 GID("gid", "GID", p_gid),
112 {"group", "GROUP", LJUST, gname},
113 {"groupnames", "GROUPNAMES", LJUST, groupnames},
114 {"groups", "GROUPS", LJUST, groups},
115 LVAR("holdcnt", "HOLDCNT", 0, l_holdcnt, INT, "d"),
116 {"ignored", "sigignore", ALIAS},
117 PUVAR("inblk", "INBLK", 0, p_uru_inblock, UINT64, PRIu64),
118 {"inblock", "inblk", ALIAS},
119 PVAR("jobc", "JOBC", 0, p_jobc, SHORT, "d"),
120 PVAR("ktrace", "KTRACE", 0, p_traceflag, INT, "x"),
121 /*XXX*/ PVAR("ktracep", "KTRACEP", 0, p_tracep, KPTR, PRIx64),
122 LVAR("lid", "LID", 0, l_lid, ULONG, "d"),
123 {"lim", "LIM", 0, maxrss},
124 {"login", "LOGIN", LJUST, logname},
125 {"logname", "login", ALIAS},
126 {"lstart", "STARTED", LJUST, lstarted, POFF(p_ustart_sec), UINT32},
127 {"lstate", "STAT", LJUST|LWP, lstate},
128 PUVAR("majflt", "MAJFLT", 0, p_uru_majflt, UINT64, PRIu64),
129 PUVAR("minflt", "MINFLT", 0, p_uru_minflt, UINT64, PRIu64),
130 PUVAR("msgrcv", "MSGRCV", 0, p_uru_msgrcv, UINT64, PRIu64),
131 PUVAR("msgsnd", "MSGSND", 0, p_uru_msgsnd, UINT64, PRIu64),
132 {"ni", "nice", ALIAS},
133 {"nice", "NI", 0, pnice, POFF(p_nice), UCHAR},
134 PUVAR("nivcsw", "NIVCSW", 0, p_uru_nivcsw, UINT64, PRIu64),
135 PVAR("nlwp", "NLWP", 0, p_nlwps, UINT64, PRId64),
136 {"nsignals", "nsigs", ALIAS},
137 PUVAR("nsigs", "NSIGS", 0, p_uru_nsignals, UINT64, PRIu64),
138 PUVAR("nswap", "NSWAP", 0, p_uru_nswap, UINT64, PRIu64),
139 PUVAR("nvcsw", "NVCSW", 0, p_uru_nvcsw, UINT64, PRIu64),
140 /*XXX*/ LVAR("nwchan", "WCHAN", 0, l_wchan, KPTR, PRIx64),
141 PUVAR("oublk", "OUBLK", 0, p_uru_oublock, UINT64, PRIu64),
142 {"oublock", "oublk", ALIAS},
143 /*XXX*/ PVAR("p_ru", "P_RU", 0, p_ru, KPTR, PRIx64),
144 /*XXX*/ PVAR("paddr", "PADDR", 0, p_paddr, KPTR, PRIx64),
145 PUVAR("pagein", "PAGEIN", 0, p_uru_majflt, UINT64, PRIu64),
146 {"pcpu", "%cpu", ALIAS},
147 {"pending", "sig", ALIAS},
148 PID("pgid", "PGID", p__pgid),
149 PID("pid", "PID", p_pid),
150 {"pmem", "%mem", ALIAS},
151 PID("ppid", "PPID", p_ppid),
152 {"pri", "PRI", LWP, pri},
153 LVAR("re", "RE", INF127, l_swtime, UINT, "u"),
154 GID("rgid", "RGID", p_rgid),
155 {"rgroup", "RGROUP", LJUST, rgname},
156 /*XXX*/ LVAR("rlink", "RLINK", 0, l_back, KPTR, PRIx64),
157 PVAR("rlwp", "RLWP", 0, p_nrlwps, UINT64, PRId64),
158 {"rss", "RSS", 0, p_rssize, POFF(p_vm_rssize), INT32},
159 {"rssize", "rsz", ALIAS},
160 {"rsz", "RSZ", 0, rssize, POFF(p_vm_rssize), INT32},
161 UID("ruid", "RUID", p_ruid),
162 {"ruser", "RUSER", LJUST, runame},
163 PVAR("sess", "SESS", 0, p_sess, KPTR24, PRIx64),
164 PID("sid", "SID", p_sid),
165 PVAR("sig", "PENDING", 0, p_siglist, SIGLIST, "s"),
166 PVAR("sigcatch", "CAUGHT", 0, p_sigcatch, SIGLIST, "s"),
167 PVAR("sigignore", "IGNORED", 0, p_sigignore, SIGLIST, "s"),
168 PVAR("sigmask", "BLOCKED", 0, p_sigmask, SIGLIST, "s"),
169 LVAR("sl", "SL", INF127, l_slptime, UINT, "u"),
170 {"start", "STARTED", 0, started, POFF(p_ustart_sec), UINT32},
171 {"stat", "state", ALIAS},
172 {"state", "STAT", LJUST, state},
173 {"stime", "STIME", 0, putimeval, POFF(p_ustime_sec), TIMEVAL},
174 GID("svgid", "SVGID", p_svgid),
175 {"svgroup", "SVGROUP", LJUST, svgname},
176 UID("svuid", "SVUID", p_svuid),
177 {"svuser", "SVUSER", LJUST, svuname},
178 /* "tdev" is UINT32, but we do this for sorting purposes */
179 {"tdev", "TDEV", 0, tdev, POFF(p_tdev), INT32},
180 {"time", "TIME", 0, cputime, 0, CPUTIME},
181 PID("tpgid", "TPGID", p_tpgid),
182 PVAR("tsess", "TSESS", 0, p_tsess, KPTR, PRIx64),
183 {"tsiz", "TSIZ", 0, tsize, POFF(p_vm_tsize), INT32},
184 {"tt", "TT", LJUST, tname, POFF(p_tdev), INT32},
185 {"tty", "TTY", LJUST, longtname, POFF(p_tdev), INT32},
186 {"ucomm", "UCOMM", LJUST, ucomm},
187 UID("uid", "UID", p_uid),
188 LVAR("upr", "UPR", 0, l_usrpri, UCHAR, "u"),
189 {"user", "USER", LJUST, uname},
190 {"usrpri", "upr", ALIAS},
191 {"utime", "UTIME", 0, putimeval, POFF(p_uutime_sec), TIMEVAL},
192 {"vsize", "vsz", ALIAS},
193 {"vsz", "VSZ", 0, vsize, 0, VSIZE},
194 {"wchan", "WCHAN", LJUST|LWP, wchan},
195 PVAR("xstat", "XSTAT", 0, p_xstat, USHORT, "x"),
196 /* "zzzz" end_sort */
197 {""},
198 };
199
200 void
201 showkey(void)
202 {
203 VAR *v;
204 int i;
205 char *p, *sep;
206
207 i = 0;
208 sep = "";
209 for (v = var; *(p = v->name); ++v) {
210 int len = strlen(p);
211 if (termwidth && (i += len + 1) > termwidth) {
212 i = len;
213 sep = "\n";
214 }
215 (void) printf("%s%s", sep, p);
216 sep = " ";
217 }
218 (void) printf("\n");
219 }
220
221 static void
222 parsevarlist(const char *pp, struct varent **head, struct varent **tail)
223 {
224 char *p;
225
226 /* dup to avoid zapping arguments, can't free because it
227 might contain a header. */
228 p = strdup(pp);
229
230 #define FMTSEP " \t,\n"
231 while (p && *p) {
232 char *cp;
233 VAR *v;
234 struct varent *vent;
235
236 while ((cp = strsep(&p, FMTSEP)) != NULL && *cp == '\0')
237 /* void */;
238 if (cp == NULL || !(v = findvar(cp)))
239 continue;
240 if ((vent = malloc(sizeof(struct varent))) == NULL)
241 err(1, NULL);
242 vent->var = v;
243 vent->next = NULL;
244 if (*head == NULL)
245 *head = vent;
246 else
247 (*tail)->next = vent;
248 *tail = vent;
249 }
250 if (!*head)
251 errx(1, "no valid keywords");
252 }
253
254 void
255 parsefmt(const char *p)
256 {
257 static struct varent *vtail;
258
259 parsevarlist(p, &vhead, &vtail);
260 }
261
262 void
263 parsesort(const char *p)
264 {
265 static struct varent *sorttail;
266
267 parsevarlist(p, &sorthead, &sorttail);
268 }
269
270 static VAR *
271 findvar(const char *p)
272 {
273 VAR *v;
274 char *hp;
275
276 hp = strchr(p, '=');
277 if (hp)
278 *hp++ = '\0';
279
280 v = bsearch(p, var, sizeof(var)/sizeof(VAR) - 1, sizeof(VAR), vcmp);
281 if (v && v->flag & ALIAS)
282 v = findvar(v->header);
283 if (!v) {
284 warnx("%s: keyword not found", p);
285 eval = 1;
286 return NULL;
287 }
288
289 if (v && hp)
290 v->header = hp;
291 return v;
292 }
293
294 static int
295 vcmp(const void *a, const void *b)
296 {
297 return strcmp(a, ((VAR *)b)->name);
298 }
299