Remove now unnecessary messing with PCI command register.
[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 1.13 2005/04/25 22:26:22 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(dummy1, dummy2, dummy3, dummy4)
47         db_expr_t       dummy1;
48         boolean_t       dummy2;
49         db_expr_t       dummy3;
50         char *          dummy4;
51 {
52         int np;
53         int cpuidx;
54         int nl = 0;
55         volatile struct proc *p, *pp;
56
57         np = nprocs;
58
59         if (allproc.lh_first != NULL)
60                 p = allproc.lh_first;
61         else
62                 p = &proc0;
63
64         if (db_more(&nl) < 0)
65             return;
66         db_printf("  pid   proc     addr    uid  ppid  pgrp  flag stat wmesg   wchan   cmd\n");
67         while (--np >= 0) {
68                 /*
69                  * XXX just take 20 for now...
70                  */
71                 if (db_more(&nl) < 0)
72                         return;
73                 if (p == NULL) {
74                         printf("oops, ran out of processes early!\n");
75                         break;
76                 }
77                 pp = p->p_pptr;
78                 if (pp == NULL)
79                         pp = p;
80
81                 db_printf("%5d %8p %8p %4d %5d %5d %06x  %d",
82                     p->p_pid, (volatile void *)p, (void *)p->p_thread->td_pcb,
83                     p->p_ucred ? p->p_ucred->cr_ruid : 0, pp->p_pid,
84                     p->p_pgrp ? p->p_pgrp->pg_id : 0, p->p_flag, p->p_stat);
85                 if (p->p_wchan) {
86                         db_printf("  %6s %8p", p->p_wmesg, (void *)p->p_wchan);
87                 } else {
88                         db_printf("                 ");
89                 }
90                 db_printf(" %s\n", p->p_comm ? p->p_comm : "");
91                 db_dump_td_tokens(p->p_thread);
92
93                 p = p->p_list.le_next;
94                 if (p == NULL && np > 0)
95                         p = zombproc.lh_first;
96         }
97
98         /*
99          * Dump running threads
100          */
101         for (cpuidx = 0; cpuidx < ncpus; ++cpuidx) {
102             struct globaldata *gd = &CPU_prvspace[cpuidx].mdglobaldata.mi;
103             thread_t td;
104             int j;
105
106             if (db_more(&nl) < 0)
107                 return;
108             db_printf("cpu %d tdrunqmask %08x curthread %p reqflags %04x\n",
109                     gd->gd_cpuid, gd->gd_runqmask,
110                     gd->gd_curthread, gd->gd_reqflags);
111             db_printf("       uschedcp %p (%d) upri %d\n",
112                     gd->gd_uschedcp,
113                     (gd->gd_uschedcp ? gd->gd_uschedcp->p_pid : -1),
114                     gd->gd_upri);
115             if (gd->gd_curthread && gd->gd_curthread->td_preempted) {
116                     db_printf("       PREEMPTING THREAD %p\n",
117                                 gd->gd_curthread->td_preempted);
118             }
119
120             if (gd->gd_tokreqbase) {
121                 lwkt_tokref_t ref;
122
123                 if (db_more(&nl) < 0)
124                     return;
125                 db_printf("      tokenrequests:");
126                 for (ref = gd->gd_tokreqbase; ref; ref = ref->tr_next) {
127                     db_printf(" [r=%p,t=%p]", ref, ref->tr_tok);
128                 }
129                 db_printf("\n");
130             }
131             if (db_more(&nl) < 0)
132                 return;
133             db_printf("      INCOMMING IPIQS:");
134             for (j = 0; j < ncpus; ++j) {
135                 lwkt_ipiq_t ip = globaldata_find(j)->gd_ipiq;
136                 if (ip != NULL) {
137                     ip = &ip[cpuidx];
138                     if (ip->ip_windex != ip->ip_rindex)
139                         db_printf(" cpu%d:%d", j, ip->ip_windex - ip->ip_rindex);
140                 }
141             }
142             db_printf("\n");
143
144             if (db_more(&nl) < 0)
145                 return;
146             db_printf("  tdq     thread pid    flags pri/cs/mp        sp    wmesg comm\n");
147             for (np = 0; np < 32; ++np) {
148                 TAILQ_FOREACH(td, &gd->gd_tdrunq[np], td_threadq) {
149                     if (db_more(&nl) < 0)
150                         return;
151                     db_printf("  %3d %p %3d %08x %2d/%02d/%02d %p %8.8s %s\n",
152                         np, td, 
153                         (td->td_proc ? td->td_proc->p_pid : -1),
154                         td->td_flags, 
155                         td->td_pri & TDPRI_MASK,
156                         td->td_pri / TDPRI_CRIT,
157 #ifdef SMP
158                         td->td_mpcount,
159 #else
160                         0,
161 #endif
162                         td->td_sp,
163                         td->td_wmesg ? td->td_wmesg : "-",
164                         td->td_proc ? td->td_proc->p_comm : td->td_comm);
165                     if (td->td_preempted)
166                         db_printf("  PREEMPTING THREAD %p\n", td->td_preempted);
167                     db_dump_td_tokens(td);
168                 }
169             }
170             if (db_more(&nl) < 0)
171                 return;
172             db_printf("\n");
173             if (db_more(&nl) < 0)
174                 return;
175             db_printf("  tdq     thread pid    flags pri/cs/mp        sp    wmesg comm\n");
176             TAILQ_FOREACH(td, &gd->gd_tdallq, td_allq) {
177                 if (db_more(&nl) < 0)
178                     return;
179                 db_printf("  %3d %p %3d %08x %2d/%02d/%02d %p %8.8s %s\n",
180                     np, td, 
181                     (td->td_proc ? td->td_proc->p_pid : -1),
182                     td->td_flags,
183                     td->td_pri & TDPRI_MASK,
184                     td->td_pri / TDPRI_CRIT,
185 #ifdef SMP
186                     td->td_mpcount,
187 #else
188                     0,
189 #endif
190                     td->td_sp,
191                     td->td_wmesg ? td->td_wmesg : "-",
192                     td->td_proc ? td->td_proc->p_comm : td->td_comm);
193                 db_dump_td_tokens(td);
194             }
195         }
196         if (db_more(&nl) < 0)
197             return;
198         db_printf("CURCPU %d CURTHREAD %p (%d) USCHEDCP %p (%d) UPRI %d\n",
199             mycpu->gd_cpuid,
200             curthread,
201             (curthread->td_proc ? curthread->td_proc->p_pid : -1),
202             mycpu->gd_uschedcp,
203             (mycpu->gd_uschedcp ? mycpu->gd_uschedcp->p_pid : -1),
204             mycpu->gd_upri);
205         db_dump_td_tokens(curthread);
206 }
207
208 static void
209 db_dump_td_tokens(thread_t td)
210 {
211         lwkt_tokref_t ref;
212         lwkt_token_t tok;
213
214         if (td->td_toks == NULL)
215                 return;
216         db_printf("    TOKENS:");
217         for (ref = td->td_toks; ref; ref = ref->tr_next) {
218                 tok = ref->tr_tok;
219
220                 db_printf(" %p[tok=%p", ref, ref->tr_tok);
221                 if (td->td_gd == tok->t_cpu)
222                     db_printf(",held");
223                 if (ref->tr_magic == LWKT_TOKREF_MAGIC1)
224                     ;
225                 else if (ref->tr_magic == LWKT_TOKREF_MAGIC2)
226                     db_printf(",wait");
227                 else
228                     db_printf(",badmagic");
229                 db_printf("]");
230         }
231         db_printf("\n");
232 }
233