db_ps.c revision 118269
12322Sdg/*- 22322Sdg * Copyright (c) 1993 The Regents of the University of California. 32322Sdg * All rights reserved. 42322Sdg * 52322Sdg * Redistribution and use in source and binary forms, with or without 62322Sdg * modification, are permitted provided that the following conditions 72322Sdg * are met: 82322Sdg * 1. Redistributions of source code must retain the above copyright 92322Sdg * notice, this list of conditions and the following disclaimer. 102322Sdg * 2. Redistributions in binary form must reproduce the above copyright 112322Sdg * notice, this list of conditions and the following disclaimer in the 122322Sdg * documentation and/or other materials provided with the distribution. 132322Sdg * 3. All advertising materials mentioning features or use of this software 142322Sdg * must display the following acknowledgement: 152322Sdg * This product includes software developed by the University of 162322Sdg * California, Berkeley and its contributors. 172322Sdg * 4. Neither the name of the University nor the names of its contributors 182322Sdg * may be used to endorse or promote products derived from this software 192322Sdg * without specific prior written permission. 202322Sdg * 212322Sdg * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 222322Sdg * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 232322Sdg * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 242322Sdg * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 252322Sdg * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 262322Sdg * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 272322Sdg * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 282322Sdg * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 292322Sdg * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 302322Sdg * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 312322Sdg * SUCH DAMAGE. 322322Sdg */ 33116176Sobrien 34116176Sobrien#include <sys/cdefs.h> 35116176Sobrien__FBSDID("$FreeBSD: head/sys/ddb/db_ps.c 118269 2003-07-31 17:29:42Z jhb $"); 36116176Sobrien 372322Sdg#include <sys/param.h> 382322Sdg#include <sys/systm.h> 3974914Sjhb#include <sys/lock.h> 4074914Sjhb#include <sys/mutex.h> 412322Sdg#include <sys/proc.h> 4249558Sphk#include <sys/cons.h> 43108338Sjulian#include <vm/vm.h> 44108338Sjulian#include <vm/vm_param.h> 45108338Sjulian#include <vm/pmap.h> 4612734Sbde 4712734Sbde#include <ddb/ddb.h> 4812734Sbde 49115903Sjhbstatic void dumpthread(volatile struct proc *p, volatile struct thread *td); 50115903Sjhb 512322Sdgvoid 5210349Sbdedb_ps(dummy1, dummy2, dummy3, dummy4) 5310349Sbde db_expr_t dummy1; 5410349Sbde boolean_t dummy2; 5510349Sbde db_expr_t dummy3; 5610349Sbde char * dummy4; 5710349Sbde{ 5810128Sdg volatile struct proc *p, *pp; 5985207Sjhb volatile struct thread *td; 6099072Sjulian char *state; 61118269Sjhb int np, quit; 6210128Sdg 632322Sdg np = nprocs; 64118269Sjhb quit = 0; 652322Sdg 6694456Sjhb /* sx_slock(&allproc_lock); */ 6770527Sphk if (!LIST_EMPTY(&allproc)) 6870527Sphk p = LIST_FIRST(&allproc); 6910128Sdg else 7010128Sdg p = &proc0; 7110128Sdg 72118269Sjhb db_setup_paging(db_simple_pager, &quit, DB_LINES_PER_PAGE); 73101784Sphk db_printf(" pid proc addr uid ppid pgrp flag stat wmesg wchan cmd\n"); 74118269Sjhb while (--np >= 0 && !quit) { 7516381Speter if (p == NULL) { 7616381Speter printf("oops, ran out of processes early!\n"); 7716381Speter break; 7816381Speter } 7994456Sjhb /* PROC_LOCK(p); */ 802322Sdg pp = p->p_pptr; 8110128Sdg if (pp == NULL) 822322Sdg pp = p; 8310128Sdg 8499072Sjulian 8599072Sjulian switch(p->p_state) { 8699072Sjulian case PRS_NORMAL: 8799072Sjulian if (P_SHOULDSTOP(p)) 88101784Sphk state = "stop"; 8999072Sjulian else 90115911Sjulian state = ""; 9199072Sjulian break; 9299072Sjulian case PRS_NEW: 93101784Sphk state = "new "; 9499072Sjulian break; 9599072Sjulian case PRS_ZOMBIE: 96103216Sjulian state = "zomb"; 9799072Sjulian break; 9899072Sjulian default: 99101784Sphk state = "Unkn"; 10099072Sjulian break; 10199072Sjulian } 102115911Sjulian db_printf("%5d %8p %8p %4d %5d %5d %07x %s", 10383383Sjhb p->p_pid, (volatile void *)p, (void *)p->p_uarea, 104102667Sbde p->p_ucred != NULL ? p->p_ucred->cr_ruid : 0, pp->p_pid, 105102667Sbde p->p_pgrp != NULL ? p->p_pgrp->pg_id : 0, p->p_flag, 106102667Sbde state); 107116361Sdavidxu if (p->p_flag & P_SA) 10883383Sjhb db_printf("(threaded) %s\n", p->p_comm); 109103216Sjulian FOREACH_THREAD_IN_PROC(p, td) { 110108338Sjulian dumpthread(p, td); 111118269Sjhb if (quit) 112118269Sjhb break; 1132322Sdg } 11494456Sjhb /* PROC_UNLOCK(p); */ 11594456Sjhb 11670527Sphk p = LIST_NEXT(p, p_list); 11710128Sdg if (p == NULL && np > 0) 11870527Sphk p = LIST_FIRST(&zombproc); 1192322Sdg } 12094456Sjhb /* sx_sunlock(&allproc_lock); */ 1212322Sdg} 122115903Sjhb 123108338Sjulianstatic void 124108338Sjuliandumpthread(volatile struct proc *p, volatile struct thread *td) 125108338Sjulian{ 126118228Sjhb 127116361Sdavidxu if (p->p_flag & P_SA) 128108338Sjulian db_printf( " thread %p ksegrp %p ", td, td->td_ksegrp); 129108338Sjulian if (TD_ON_SLEEPQ(td)) { 130108338Sjulian if (td->td_flags & TDF_CVWAITQ) 131115911Sjulian if (TD_IS_SLEEPING(td)) 132115911Sjulian db_printf("[CV]"); 133115911Sjulian else 134115911Sjulian db_printf("[CVQ"); 135108338Sjulian else 136115911Sjulian if (TD_IS_SLEEPING(td)) 137115911Sjulian db_printf("[SLP]"); 138115911Sjulian else 139115911Sjulian db_printf("[SLPQ"); 140115911Sjulian db_printf("%s %p]", td->td_wmesg, 141108338Sjulian (void *)td->td_wchan); 142108338Sjulian } 143108338Sjulian switch (td->td_state) { 144108338Sjulian case TDS_INHIBITED: 145108338Sjulian if (TD_ON_LOCK(td)) { 146108338Sjulian db_printf("[LOCK %6s %8p]", 147108338Sjulian td->td_lockname, 148108338Sjulian (void *)td->td_blocked); 149108338Sjulian } 150115911Sjulian#if 0 /* covered above */ 151108338Sjulian if (TD_IS_SLEEPING(td)) { 152108338Sjulian db_printf("[SLP]"); 153108338Sjulian } 154115911Sjulian#endif 155108338Sjulian if (TD_IS_SWAPPED(td)) { 156108338Sjulian db_printf("[SWAP]"); 157108338Sjulian } 158108338Sjulian if (TD_IS_SUSPENDED(td)) { 159108338Sjulian db_printf("[SUSP]"); 160108338Sjulian } 161108338Sjulian if (TD_AWAITING_INTR(td)) { 162108338Sjulian db_printf("[IWAIT]"); 163108338Sjulian } 164108338Sjulian break; 165108338Sjulian case TDS_CAN_RUN: 166108338Sjulian db_printf("[Can run]"); 167108338Sjulian break; 168108338Sjulian case TDS_RUNQ: 169108338Sjulian db_printf("[RUNQ]"); 170108338Sjulian break; 171108338Sjulian case TDS_RUNNING: 172113339Sjulian db_printf("[CPU %d]", td->td_oncpu); 173108338Sjulian break; 174115904Sjhb case TDS_INACTIVE: 175115904Sjhb db_printf("[INACTIVE]"); 176115904Sjhb break; 177108338Sjulian default: 178115904Sjhb db_printf("[UNK: %#x]", td->td_state); 179108338Sjulian } 180116361Sdavidxu if (p->p_flag & P_SA) { 181108338Sjulian if (td->td_kse) 182108338Sjulian db_printf("[kse %p]", td->td_kse); 183108338Sjulian db_printf("\n"); 184108338Sjulian } else 185108338Sjulian db_printf(" %s\n", p->p_comm); 186108338Sjulian} 187108338Sjulian 188108338Sjulian 189108338Sjulian#define INKERNEL(va) (((vm_offset_t)(va)) >= USRSTACK) 190108338Sjulianvoid 191108338Sjuliandb_show_one_thread(db_expr_t addr, boolean_t have_addr, 192108338Sjulian db_expr_t count, char *modif) 193108338Sjulian{ 194108338Sjulian struct proc *p; 195108338Sjulian struct thread *td; 196108338Sjulian 197108338Sjulian if (!have_addr) 198108338Sjulian td = curthread; 199108338Sjulian else if (!INKERNEL(addr)) { 200108338Sjulian printf("bad thread address"); 201108338Sjulian return; 202108338Sjulian } else 203108338Sjulian td = (struct thread *)addr; 204108338Sjulian /* quick sanity check */ 205108338Sjulian if ((p = td->td_proc) != td->td_ksegrp->kg_proc) 206108338Sjulian return; 207108338Sjulian printf("Proc %p ",p); 208108338Sjulian dumpthread(p, td); 209108338Sjulian#ifdef __i386__ 210108338Sjulian db_stack_thread((db_expr_t)td, 1, count, modif); 211108338Sjulian#endif 212108338Sjulian} 213