- Port rtw(4) from NetBSD, which supports various RealTek 8180 chip based
[dragonfly.git] / sys / ddb / db_ps.c
1 /*-
2  * Copyright (c) 1993 The Regents of the University of California.
3  * 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. All advertising materials mentioning features or use of this software
14  *    must display the following acknowledgement:
15  *      This product includes software developed by the University of
16  *      California, Berkeley and its contributors.
17  * 4. Neither the name of the University nor the names of its contributors
18  *    may be used to endorse or promote products derived from this software
19  *    without specific prior written permission.
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31  * SUCH DAMAGE.
32  *
33  * $FreeBSD: src/sys/ddb/db_ps.c,v 1.20 1999/08/28 00:41:09 peter Exp $
34  * $DragonFly: src/sys/ddb/db_ps.c,v 1.18 2006/05/29 03:57:18 dillon Exp $
35  */
36 #include <sys/param.h>
37 #include <sys/systm.h>
38 #include <sys/proc.h>
39 #include <sys/cons.h>
40
41 #include <ddb/ddb.h>
42
43 static void db_dump_td_tokens(thread_t td);
44
45 void
46 db_ps(db_expr_t dummy1, boolean_t dummy2, db_expr_t dummy3, char *dummy4)
47 {
48         int np;
49         int cpuidx;
50         int nl = 0;
51         volatile struct proc *p, *pp;
52
53         np = nprocs;
54
55         if (allproc.lh_first != NULL)
56                 p = allproc.lh_first;
57         else
58                 p = &proc0;
59
60         if (db_more(&nl) < 0)
61             return;
62         db_printf("  pid   proc     addr    uid  ppid  pgrp  flag stat wmesg   wchan   cmd\n");
63         while (--np >= 0) {
64                 /*
65                  * XXX just take 20 for now...
66                  */
67                 if (db_more(&nl) < 0)
68                         return;
69                 if (p == NULL) {
70                         printf("oops, ran out of processes early!\n");
71                         break;
72                 }
73                 pp = p->p_pptr;
74                 if (pp == NULL)
75                         pp = p;
76
77                 db_printf("%5d %8p %8p %4d %5d %5d %06x  %d",
78                     p->p_pid, (volatile void *)p, (void *)p->p_thread->td_pcb,
79                     p->p_ucred ? p->p_ucred->cr_ruid : 0, pp->p_pid,
80                     p->p_pgrp ? p->p_pgrp->pg_id : 0, p->p_flag, p->p_stat);
81                 if (p->p_wchan) {
82                         db_printf("  %6s %8p", p->p_wmesg, (void *)p->p_wchan);
83                 } else {
84                         db_printf("                 ");
85                 }
86                 db_printf(" %s\n", p->p_comm ? p->p_comm : "");
87                 db_dump_td_tokens(p->p_thread);
88
89                 p = p->p_list.le_next;
90                 if (p == NULL && np > 0)
91                         p = zombproc.lh_first;
92         }
93
94         /*
95          * Dump running threads
96          */
97         for (cpuidx = 0; cpuidx < ncpus; ++cpuidx) {
98             struct globaldata *gd = &CPU_prvspace[cpuidx].mdglobaldata.mi;
99             thread_t td;
100             int j;
101
102             if (db_more(&nl) < 0)
103                 return;
104             db_printf("cpu %d tdrunqmask %08x curthread %p reqflags %04x\n",
105                     gd->gd_cpuid, gd->gd_runqmask,
106                     gd->gd_curthread, gd->gd_reqflags);
107             if (gd->gd_curthread && gd->gd_curthread->td_preempted) {
108                     db_printf("       PREEMPTING THREAD %p\n",
109                                 gd->gd_curthread->td_preempted);
110             }
111
112             if (db_more(&nl) < 0)
113                 return;
114             db_printf("      INCOMMING IPIQS:");
115             for (j = 0; j < ncpus; ++j) {
116                 lwkt_ipiq_t ip = globaldata_find(j)->gd_ipiq;
117                 if (ip != NULL) {
118                     ip = &ip[cpuidx];
119                     if (ip->ip_windex != ip->ip_rindex)
120                         db_printf(" cpu%d:%d", j, ip->ip_windex - ip->ip_rindex);
121                 }
122             }
123             db_printf("\n");
124
125             if (db_more(&nl) < 0)
126                 return;
127             db_printf("  tdq     thread pid    flags pri/cs/mp        sp    wmesg comm\n");
128             for (np = 0; np < 32; ++np) {
129                 TAILQ_FOREACH(td, &gd->gd_tdrunq[np], td_threadq) {
130                     if (db_more(&nl) < 0)
131                         return;
132                     db_printf("  %3d %p %3d %08x %2d/%02d/%02d %p %8.8s %s\n",
133                         np, td, 
134                         (td->td_proc ? td->td_proc->p_pid : -1),
135                         td->td_flags, 
136                         td->td_pri & TDPRI_MASK,
137                         td->td_pri / TDPRI_CRIT,
138 #ifdef SMP
139                         td->td_mpcount,
140 #else
141                         0,
142 #endif
143                         td->td_sp,
144                         td->td_wmesg ? td->td_wmesg : "-",
145                         td->td_proc ? td->td_proc->p_comm : td->td_comm);
146                     if (td->td_preempted)
147                         db_printf("  PREEMPTING THREAD %p\n", td->td_preempted);
148                     db_dump_td_tokens(td);
149                 }
150             }
151             if (db_more(&nl) < 0)
152                 return;
153             db_printf("\n");
154             if (db_more(&nl) < 0)
155                 return;
156             db_printf("  tdq     thread pid    flags pri/cs/mp        sp    wmesg comm\n");
157             TAILQ_FOREACH(td, &gd->gd_tdallq, td_allq) {
158                 if (db_more(&nl) < 0)
159                     return;
160                 db_printf("  %3d %p %3d %08x %2d/%02d/%02d %p %8.8s %s\n",
161                     np, td, 
162                     (td->td_proc ? td->td_proc->p_pid : -1),
163                     td->td_flags,
164                     td->td_pri & TDPRI_MASK,
165                     td->td_pri / TDPRI_CRIT,
166 #ifdef SMP
167                     td->td_mpcount,
168 #else
169                     0,
170 #endif
171                     td->td_sp,
172                     td->td_wmesg ? td->td_wmesg : "-",
173                     td->td_proc ? td->td_proc->p_comm : td->td_comm);
174                 db_dump_td_tokens(td);
175             }
176         }
177         if (db_more(&nl) < 0)
178             return;
179         db_printf("CURCPU %d CURTHREAD %p (%d)\n",
180             mycpu->gd_cpuid,
181             curthread,
182             (curthread->td_proc ? curthread->td_proc->p_pid : -1));
183         db_dump_td_tokens(curthread);
184 }
185
186 static void
187 db_dump_td_tokens(thread_t td)
188 {
189         lwkt_tokref_t ref;
190         lwkt_token_t tok;
191
192         if (td->td_toks == NULL)
193                 return;
194         db_printf("    TOKENS:");
195         for (ref = td->td_toks; ref; ref = ref->tr_next) {
196                 tok = ref->tr_tok;
197
198                 db_printf(" %p[tok=%p", ref, ref->tr_tok);
199 #ifdef SMP
200                 if (td == tok->t_owner)
201                     db_printf(",held");
202 #endif
203                 db_printf("]");
204         }
205         db_printf("\n");
206 }
207