Fix issues with the scheduler that were causing unnecessary reschedules
[dragonfly.git] / usr.bin / window / lcmd2.c
blob347ec19657db368b6cb09bd9825793581635d657
1 /*
2 * Copyright (c) 1983, 1993
3 * The Regents of the University of California. All rights reserved.
5 * This code is derived from software contributed to Berkeley by
6 * Edward Wang at The University of California, Berkeley.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. All advertising materials mentioning features or use of this software
17 * must display the following acknowledgement:
18 * This product includes software developed by the University of
19 * California, Berkeley and its contributors.
20 * 4. Neither the name of the University nor the names of its contributors
21 * may be used to endorse or promote products derived from this software
22 * without specific prior written permission.
24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * SUCH DAMAGE.
36 * @(#)lcmd2.c 8.1 (Berkeley) 6/6/93
37 * $FreeBSD: src/usr.bin/window/lcmd2.c,v 1.2.6.2 2001/05/17 09:45:00 obrien Exp $
38 * $DragonFly: src/usr.bin/window/lcmd2.c,v 1.4 2005/04/15 17:55:29 drhodus Exp $
41 #include "defs.h"
42 #include <string.h> /* System string definitions. */
43 #include "mystring.h" /* Local string definitions. */
44 #include "value.h"
45 #include "var.h"
46 #include "lcmd.h"
47 #include "alias.h"
48 #include <sys/types.h>
49 #include <sys/resource.h>
51 /*ARGSUSED*/
52 l_iostat(v, a)
53 struct value *v, *a;
55 struct ww *w;
57 if ((w = openiwin(16, "IO Statistics")) == 0) {
58 error("Can't open statistics window: %s.", wwerror());
59 return;
61 wwprintf(w, "ttflush\twrite\terror\tzero\tchar\n");
62 wwprintf(w, "%d\t%d\t%d\t%d\t%d\n",
63 wwnflush, wwnwr, wwnwre, wwnwrz, wwnwrc);
64 wwprintf(w, "token\tuse\tbad\tsaving\ttotal\tbaud\n");
65 wwprintf(w, "%d\t%d\t%d\t%d\t%d\t%d/%d (%.1f/%.1f)\n",
66 wwntokdef, wwntokuse, wwntokbad, wwntoksave, wwntokc,
67 wwntokc - wwntoksave ?
68 (int) ((float) wwbaud * wwntokc /
69 (wwntokc - wwntoksave)) :
70 wwbaud,
71 wwnwrc ? (int) ((float) wwbaud * (wwnwrc + wwntoksave) /
72 wwnwrc) :
73 wwbaud,
74 wwntokc - wwntoksave ?
75 (float) wwntokc / (wwntokc - wwntoksave) : 1.0,
76 wwnwrc ? (float) (wwnwrc + wwntoksave) / wwnwrc : 1.0);
77 wwprintf(w, "wwwrite\tattempt\tchar\n");
78 wwprintf(w, "%d\t%d\t%d\n",
79 wwnwwr, wwnwwra, wwnwwrc);
80 wwprintf(w, "wwupdat\tline\tmiss\tscan\tclreol\tclreos\tmiss\tline\n");
81 wwprintf(w, "%d\t%d\t%d\t%d\t%d\t%d\t%d\t%d\n",
82 wwnupdate, wwnupdline, wwnupdmiss, wwnupdscan, wwnupdclreol,
83 wwnupdclreos, wwnupdclreosmiss, wwnupdclreosline);
84 wwprintf(w, "select\terror\tzero\n");
85 wwprintf(w, "%d\t%d\t%d\n",
86 wwnselect, wwnselecte, wwnselectz);
87 wwprintf(w, "read\terror\tzero\tchar\tack\tnack\tstat\terrorc\n");
88 wwprintf(w, "%d\t%d\t%d\t%d\t%d\t%d\t%d\t%d\n",
89 wwnread, wwnreade, wwnreadz, wwnreadc, wwnreadack, wwnreadnack,
90 wwnreadstat, wwnreadec);
91 wwprintf(w, "ptyread\terror\tzero\tcontrol\tdata\tchar\n");
92 wwprintf(w, "%d\t%d\t%d\t%d\t%d\t%d\n",
93 wwnwread, wwnwreade, wwnwreadz,
94 wwnwreadp, wwnwreadd, wwnwreadc);
95 waitnl(w);
96 closeiwin(w);
99 struct lcmd_arg arg_time[] = {
100 { "who", 1, ARG_STR },
104 /*ARGSUSED*/
105 l_time(v, a)
106 struct value *v;
107 struct value *a;
109 struct ww *w;
110 struct rusage rusage;
111 struct timeval timeval;
112 char *strtime();
114 if ((w = openiwin(8, "Timing and Resource Usage")) == 0) {
115 error("Can't open time window: %s.", wwerror());
116 return;
119 (void) gettimeofday(&timeval, (struct timezone *)0);
120 timeval.tv_sec -= starttime.tv_sec;
121 if ((timeval.tv_usec -= starttime.tv_usec) < 0) {
122 timeval.tv_sec--;
123 timeval.tv_usec += 1000000;
125 (void) getrusage(a->v_type == V_STR
126 && str_match(a->v_str, "children", 1)
127 ? RUSAGE_CHILDREN : RUSAGE_SELF, &rusage);
129 wwprintf(w, "%-15s %-15s %-15s\n",
130 "time", "utime", "stime");
131 wwprintf(w, "%-15s ", strtime(&timeval));
132 wwprintf(w, "%-15s ", strtime(&rusage.ru_utime));
133 wwprintf(w, "%-15s\n", strtime(&rusage.ru_stime));
134 wwprintf(w, "%-15s %-15s %-15s %-15s\n",
135 "maxrss", "ixrss", "idrss", "isrss");
136 wwprintf(w, "%-15ld %-15ld %-15ld %-15ld\n",
137 rusage.ru_maxrss, rusage.ru_ixrss,
138 rusage.ru_idrss, rusage.ru_isrss);
139 wwprintf(w, "%-7s %-7s %-7s %-7s %-7s %-7s %-7s %-7s %-7s %-7s\n",
140 "minflt", "majflt", "nswap", "inblk", "oublk",
141 "msgsnd", "msgrcv", "nsigs", "nvcsw", "nivcsw");
142 wwprintf(w, "%-7ld %-7ld %-7ld %-7ld %-7ld %-7ld %-7ld %-7ld %-7ld %-7ld\n",
143 rusage.ru_minflt, rusage.ru_majflt, rusage.ru_nswap,
144 rusage.ru_inblock, rusage.ru_oublock,
145 rusage.ru_msgsnd, rusage.ru_msgrcv, rusage.ru_nsignals,
146 rusage.ru_nvcsw, rusage.ru_nivcsw);
148 waitnl(w);
149 closeiwin(w);
152 char *
153 strtime(t)
154 struct timeval *t;
156 char fill = 0;
157 static char buf[20];
158 char *p = buf;
160 if (t->tv_sec > 60*60) {
161 (void) sprintf(p, "%ld:", t->tv_sec / (60*60));
162 while (*p++)
164 p--;
165 t->tv_sec %= 60*60;
166 fill++;
168 if (t->tv_sec > 60) {
169 (void) sprintf(p, fill ? "%02ld:" : "%ld:", t->tv_sec / 60);
170 while (*p++)
172 p--;
173 t->tv_sec %= 60;
174 fill++;
176 (void) sprintf(p, fill ? "%02ld.%02d" : "%ld.%02ld",
177 t->tv_sec, t->tv_usec / 10000);
178 return buf;
181 /*ARGSUSED*/
182 l_list(v, a)
183 struct value *v, *a;
185 struct ww *w, *wp;
186 register i;
187 int n;
189 for (n = 0, i = 0; i < NWINDOW; i++)
190 if (window[i] != 0)
191 n++;
192 if (n == 0) {
193 error("No windows.");
194 return;
196 if ((w = openiwin(n + 2, "Windows")) == 0) {
197 error("Can't open listing window: %s.", wwerror());
198 return;
200 for (i = 0; i < NWINDOW; i++) {
201 if ((wp = window[i]) == 0)
202 continue;
203 wwprintf(w, "%c %c %-13s %-.*s\n",
204 wp == selwin ? '+' : (wp == lastselwin ? '-' : ' '),
205 i + '1',
206 wp->ww_state == WWS_HASPROC ? "" : "(No process)",
207 wwncol - 20,
208 wp->ww_label ? wp->ww_label : "(No label)");
210 waitnl(w);
211 closeiwin(w);
214 /*ARGSUSED*/
215 l_variable(v, a)
216 struct value *v, *a;
218 struct ww *w;
219 int printvar();
221 if ((w = openiwin(wwnrow - 3, "Variables")) == 0) {
222 error("Can't open variable window: %s.", wwerror());
223 return;
225 if (var_walk(printvar, (long)w) >= 0)
226 waitnl(w);
227 closeiwin(w);
230 printvar(w, r)
231 struct ww *w;
232 struct var *r;
234 if (more(w, 0) == 2)
235 return -1;
236 wwprintf(w, "%16s ", r->r_name);
237 switch (r->r_val.v_type) {
238 case V_STR:
239 wwprintf(w, "%s\n", r->r_val.v_str);
240 break;
241 case V_NUM:
242 wwprintf(w, "%d\n", r->r_val.v_num);
243 break;
244 case V_ERR:
245 wwprintf(w, "ERROR\n");
246 break;
248 return 0;
251 struct lcmd_arg arg_def_shell[] = {
252 { "", 0, ARG_ANY|ARG_LIST },
256 l_def_shell(v, a)
257 struct value *v, *a;
259 char **pp;
260 struct value *vp;
262 if (a->v_type == V_ERR) {
263 if ((v->v_str = str_cpy(default_shellfile)) != 0)
264 v->v_type = V_STR;
265 return;
267 if (v->v_str = default_shellfile) {
268 v->v_type = V_STR;
269 for (pp = default_shell + 1; *pp; pp++) {
270 str_free(*pp);
271 *pp = 0;
274 for (pp = default_shell, vp = a;
275 vp->v_type != V_ERR &&
276 pp < &default_shell[sizeof default_shell/sizeof *default_shell-1];
277 pp++, vp++)
278 if ((*pp = vp->v_type == V_STR ?
279 str_cpy(vp->v_str) : str_itoa(vp->v_num)) == 0) {
280 /* just leave default_shell[] the way it is */
281 p_memerror();
282 break;
284 if (default_shellfile = *default_shell)
285 if (*default_shell = strrchr(default_shellfile, '/'))
286 (*default_shell)++;
287 else
288 *default_shell = default_shellfile;
291 struct lcmd_arg arg_alias[] = {
292 { "", 0, ARG_STR },
293 { "", 0, ARG_STR|ARG_LIST },
297 l_alias(v, a)
298 struct value *v, *a;
300 if (a->v_type == V_ERR) {
301 struct ww *w;
302 int printalias();
304 if ((w = openiwin(wwnrow - 3, "Aliases")) == 0) {
305 error("Can't open alias window: %s.", wwerror());
306 return;
308 if (alias_walk(printalias, (long)w) >= 0)
309 waitnl(w);
310 closeiwin(w);
311 } else {
312 struct alias *ap = 0;
314 if (ap = alias_lookup(a->v_str)) {
315 if ((v->v_str = str_cpy(ap->a_buf)) == 0) {
316 p_memerror();
317 return;
319 v->v_type = V_STR;
321 if (a[1].v_type == V_STR) {
322 struct value *vp;
323 char *p, *q;
324 char *str;
325 register n;
327 for (n = 0, vp = a + 1; vp->v_type != V_ERR; vp++, n++)
328 for (p = vp->v_str; *p; p++, n++)
330 if ((str = str_alloc(n)) == 0) {
331 p_memerror();
332 return;
334 for (q = str, vp = a + 1; vp->v_type != V_ERR;
335 vp++, q[-1] = ' ')
336 for (p = vp->v_str; *q++ = *p++;)
338 q[-1] = 0;
339 if ((ap = alias_set(a[0].v_str, (char *)0)) == 0) {
340 p_memerror();
341 str_free(str);
342 return;
344 ap->a_buf = str;
349 printalias(w, a)
350 struct ww *w;
351 struct alias *a;
353 if (more(w, 0) == 2)
354 return -1;
355 wwprintf(w, "%16s %s\n", a->a_name, a->a_buf);
356 return 0;
359 struct lcmd_arg arg_unalias[] = {
360 { "alias", 1, ARG_STR },
364 l_unalias(v, a)
365 struct value *v, *a;
367 if (a->v_type == ARG_STR)
368 v->v_num = alias_unset(a->v_str);
369 v->v_type = V_NUM;
372 struct lcmd_arg arg_echo[] = {
373 { "window", 1, ARG_NUM },
374 { "", 0, ARG_ANY|ARG_LIST },
378 /*ARGSUSED*/
379 l_echo(v, a)
380 struct value *v;
381 struct value *a;
383 char buf[20];
384 struct ww *w;
386 if ((w = vtowin(a++, selwin)) == 0)
387 return;
388 while (a->v_type != V_ERR) {
389 if (a->v_type == V_NUM) {
390 (void) sprintf(buf, "%d", a->v_num);
391 (void) wwwrite(w, buf, strlen(buf));
392 } else
393 (void) wwwrite(w, a->v_str, strlen(a->v_str));
394 if ((++a)->v_type != V_ERR)
395 (void) wwwrite(w, " ", 1);
397 (void) wwwrite(w, "\r\n", 2);