171 lines
4.4 KiB
C
171 lines
4.4 KiB
C
/*-
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* Copyright (c) 1993 The Regents of the University of California.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/lock.h>
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#include <sys/mutex.h>
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#include <sys/proc.h>
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#include <sys/cons.h>
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#include <vm/vm.h>
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#include <vm/vm_param.h>
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#include <vm/pmap.h>
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#include <ddb/ddb.h>
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static void dumpthread(volatile struct proc *p, volatile struct thread *td);
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void
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db_ps(dummy1, dummy2, dummy3, dummy4)
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db_expr_t dummy1;
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boolean_t dummy2;
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db_expr_t dummy3;
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char * dummy4;
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{
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volatile struct proc *p, *pp;
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volatile struct thread *td;
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char *state;
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int np, quit;
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np = nprocs;
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quit = 0;
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/* sx_slock(&allproc_lock); */
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if (!LIST_EMPTY(&allproc))
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p = LIST_FIRST(&allproc);
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else
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p = &proc0;
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db_setup_paging(db_simple_pager, &quit, db_lines_per_page);
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db_printf(" pid proc uid ppid pgrp flag stat wmesg wchan cmd\n");
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while (--np >= 0 && !quit) {
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if (p == NULL) {
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printf("oops, ran out of processes early!\n");
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break;
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}
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/* PROC_LOCK(p); */
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pp = p->p_pptr;
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if (pp == NULL)
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pp = p;
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switch(p->p_state) {
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case PRS_NORMAL:
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if (P_SHOULDSTOP(p))
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state = "stop";
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else
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state = "";
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break;
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case PRS_NEW:
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state = "new ";
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break;
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case PRS_ZOMBIE:
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state = "zomb";
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break;
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default:
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state = "Unkn";
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break;
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}
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db_printf("%5d %8p %4d %5d %5d %07x %s",
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p->p_pid, (volatile void *)p,
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p->p_ucred != NULL ? p->p_ucred->cr_ruid : 0, pp->p_pid,
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p->p_pgrp != NULL ? p->p_pgrp->pg_id : 0, p->p_flag,
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state);
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if (p->p_flag & P_HADTHREADS)
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db_printf("(threaded) %s\n", p->p_comm);
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FOREACH_THREAD_IN_PROC(p, td) {
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dumpthread(p, td);
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if (quit)
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break;
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}
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/* PROC_UNLOCK(p); */
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p = LIST_NEXT(p, p_list);
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if (p == NULL && np > 0)
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p = LIST_FIRST(&zombproc);
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}
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/* sx_sunlock(&allproc_lock); */
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}
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static void
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dumpthread(volatile struct proc *p, volatile struct thread *td)
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{
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if (p->p_flag & P_HADTHREADS)
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db_printf( " thread %p ksegrp %p ", td, td->td_ksegrp);
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if (TD_ON_SLEEPQ(td))
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db_printf("[SLPQ %s %p]", td->td_wmesg, (void *)td->td_wchan);
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switch (td->td_state) {
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case TDS_INHIBITED:
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if (TD_ON_LOCK(td)) {
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db_printf("[LOCK %6s %8p]",
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td->td_lockname,
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(void *)td->td_blocked);
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}
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if (TD_IS_SLEEPING(td)) {
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db_printf("[SLP]");
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}
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if (TD_IS_SWAPPED(td)) {
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db_printf("[SWAP]");
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}
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if (TD_IS_SUSPENDED(td)) {
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db_printf("[SUSP]");
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}
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if (TD_AWAITING_INTR(td)) {
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db_printf("[IWAIT]");
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}
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break;
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case TDS_CAN_RUN:
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db_printf("[Can run]");
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break;
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case TDS_RUNQ:
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db_printf("[RUNQ]");
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break;
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case TDS_RUNNING:
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db_printf("[CPU %d]", td->td_oncpu);
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break;
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case TDS_INACTIVE:
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db_printf("[INACTIVE]");
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break;
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default:
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db_printf("[UNK: %#x]", td->td_state);
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}
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if (p->p_flag & P_HADTHREADS) {
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#ifdef KEF_DIDRUN
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if (td->td_kse)
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db_printf("[kse %p]", td->td_kse);
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#endif
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db_printf("\n");
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} else
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db_printf(" %s\n", p->p_comm);
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}
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