kernel tree reorganization stage 1: Major cvs repository work (not logged as
[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 1.8 2003/07/12 17:54:30 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
44 db_more(int *nl)
45 {
46         ++*nl;
47         if (*nl == 20) {
48                 int c;
49
50                 db_printf("--More--");
51                 c = cngetc();
52                 db_printf("\r");
53                 /*
54                  * A whole screenfull or just one line?
55                  */
56                 switch (c) {
57                 case '\n':              /* just one line */
58                         *nl = 19;
59                         break;
60                 case ' ':
61                         *nl = 0;        /* another screenfull */
62                         break;
63                 default:                /* exit */
64                         db_printf("\n");
65                         return;
66                 }
67         }
68 }
69
70 void
71 db_ps(dummy1, dummy2, dummy3, dummy4)
72         db_expr_t       dummy1;
73         boolean_t       dummy2;
74         db_expr_t       dummy3;
75         char *          dummy4;
76 {
77         int np;
78         int cpuidx;
79         int nl = 0;
80         volatile struct proc *p, *pp;
81
82         np = nprocs;
83
84         if (allproc.lh_first != NULL)
85                 p = allproc.lh_first;
86         else
87                 p = &proc0;
88
89         db_printf("  pid   proc     addr    uid  ppid  pgrp  flag stat wmesg   wchan   cmd\n");
90         while (--np >= 0) {
91                 /*
92                  * XXX just take 20 for now...
93                  */
94                 db_more(&nl);
95                 if (p == NULL) {
96                         printf("oops, ran out of processes early!\n");
97                         break;
98                 }
99                 pp = p->p_pptr;
100                 if (pp == NULL)
101                         pp = p;
102
103                 db_printf("%5d %8p %8p %4d %5d %5d %06x  %d",
104                     p->p_pid, (volatile void *)p, (void *)p->p_thread->td_pcb,
105                     p->p_ucred ? p->p_ucred->cr_ruid : 0, pp->p_pid,
106                     p->p_pgrp ? p->p_pgrp->pg_id : 0, p->p_flag, p->p_stat);
107                 if (p->p_wchan) {
108                         db_printf("  %6s %8p", p->p_wmesg, (void *)p->p_wchan);
109                 } else {
110                         db_printf("                 ");
111                 }
112                 db_printf(" %s\n", p->p_comm ? p->p_comm : "");
113
114                 p = p->p_list.le_next;
115                 if (p == NULL && np > 0)
116                         p = zombproc.lh_first;
117         }
118
119         /*
120          * Dump running threads
121          */
122         for (cpuidx = 0; cpuidx < ncpus; ++cpuidx) {
123             thread_t td;
124             struct globaldata *gd = &CPU_prvspace[cpuidx].mdglobaldata.mi;
125
126             db_printf("cpu %d tdrunqmask %08x curthread %p reqflags %04x\n",
127                     gd->gd_cpuid, gd->gd_runqmask,
128                     gd->gd_curthread, gd->gd_reqflags);
129             db_printf("  tdq     thread    pid flags  pri(act)        sp    wmesg comm\n");
130             for (np = 0; np < 32; ++np) {
131                 TAILQ_FOREACH(td, &gd->gd_tdrunq[np], td_threadq) {
132                     db_more(&nl);
133                     db_printf("  %3d %p %3d %08x %3d(%3d) %p %8.8s %s\n",
134                         np, td, 
135                         (td->td_proc ? td->td_proc->p_pid : -1),
136                         td->td_flags, td->td_pri,
137                         td->td_pri & TDPRI_MASK,
138                         td->td_sp,
139                         td->td_wmesg ? td->td_wmesg : "-",
140                         td->td_proc ? td->td_proc->p_comm : td->td_comm);
141                 }
142             }
143             db_printf("\n");
144             db_printf("  tdq     thread    pid flags  pri(act)        sp    wmesg comm\n");
145             TAILQ_FOREACH(td, &gd->gd_tdallq, td_allq) {
146                 db_more(&nl);
147                 db_printf("  %3d %p %3d %08x %3d(%3d) %p %8.8s %s\n",
148                     np, td, 
149                     (td->td_proc ? td->td_proc->p_pid : -1),
150                     td->td_flags, td->td_pri,
151                     td->td_pri & TDPRI_MASK,
152                     td->td_sp,
153                     td->td_wmesg ? td->td_wmesg : "-",
154                     td->td_proc ? td->td_proc->p_comm : td->td_comm);
155             }
156         }
157         printf("CURCPU %d CURTHREAD %p (%d)\n",
158             mycpu->gd_cpuid,
159             curthread,
160             (curthread->td_proc ? curthread->td_proc->p_pid : -1)
161         );
162 }