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 } 163