keyword.c revision 1.42 1 /* $NetBSD: keyword.c,v 1.42 2004/08/23 16:31:10 nathanw 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 1.42 2004/08/23 16:31:10 nathanw 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", "TT", LJUST, tname, POFF(p_tdev), INT32},
189 {"tty", "TT", LJUST, longtname, POFF(p_tdev), INT32},
190 {"ucomm", "UCOMM", LJUST, ucomm},
191 UID("uid", "UID", p_uid),
192 LVAR("upr", "UPR", 0, l_usrpri, UCHAR, "u"),
193 {"user", "USER", LJUST, uname},
194 {"usrpri", "upr", ALIAS},
195 {"utime", "UTIME", 0, putimeval, POFF(p_uutime_sec), TIMEVAL},
196 {"vsize", "vsz", ALIAS},
197 {"vsz", "VSZ", 0, vsize, 0, VSIZE},
198 {"wchan", "WCHAN", LJUST|LWP, wchan},
199 PVAR("xstat", "XSTAT", 0, p_xstat, USHORT, "x"),
200 /* "zzzz" end_sort */
201 {""},
202 };
203
204 void
205 showkey(void)
206 {
207 VAR *v;
208 int i;
209 char *p, *sep;
210
211 i = 0;
212 sep = "";
213 for (v = var; *(p = v->name); ++v) {
214 int len = strlen(p);
215 if (termwidth && (i += len + 1) > termwidth) {
216 i = len;
217 sep = "\n";
218 }
219 (void)printf("%s%s", sep, p);
220 sep = " ";
221 }
222 (void)printf("\n");
223 }
224
225 static void
226 parsevarlist(const char *pp, struct varent **head, struct varent **tail)
227 {
228 char *p;
229
230 /* dup to avoid zapping arguments, can't free because it
231 might contain a header. */
232 p = strdup(pp);
233
234 #define FMTSEP " \t,\n"
235 while (p && *p) {
236 char *cp;
237 VAR *v;
238 struct varent *vent;
239
240 while ((cp = strsep(&p, FMTSEP)) != NULL && *cp == '\0')
241 /* void */;
242 if (cp == NULL || !(v = findvar(cp)))
243 continue;
244 if ((vent = malloc(sizeof(struct varent))) == NULL)
245 err(1, NULL);
246 vent->var = v;
247 vent->next = NULL;
248 if (*head == NULL)
249 *head = vent;
250 else
251 (*tail)->next = vent;
252 *tail = vent;
253 }
254 if (!*head)
255 errx(1, "no valid keywords");
256 }
257
258 void
259 parsefmt(const char *p)
260 {
261 static struct varent *vtail;
262
263 parsevarlist(p, &vhead, &vtail);
264 }
265
266 void
267 parsesort(const char *p)
268 {
269 static struct varent *sorttail;
270
271 parsevarlist(p, &sorthead, &sorttail);
272 }
273
274 static VAR *
275 findvar(const char *p)
276 {
277 VAR *v;
278 char *hp;
279
280 hp = strchr(p, '=');
281 if (hp)
282 *hp++ = '\0';
283
284 v = bsearch(p, var, sizeof(var)/sizeof(VAR) - 1, sizeof(VAR), vcmp);
285 if (v && v->flag & ALIAS)
286 v = findvar(v->header);
287 if (!v) {
288 warnx("%s: keyword not found", p);
289 eval = 1;
290 return NULL;
291 }
292
293 if (v && hp)
294 v->header = hp;
295 return v;
296 }
297
298 static int
299 vcmp(const void *a, const void *b)
300 {
301 return strcmp(a, ((VAR *)b)->name);
302 }
303