Add a show files command that prints the vnodes associated with a
given struct proc and, if LOCKDEBUG is built in, the lock status of the uvmobject.
This commit is contained in:
blymn
parent
8070795214
commit
8a19e9911c
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@ -1,4 +1,4 @@
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/* $NetBSD: db_command.c,v 1.116 2008/07/10 12:38:28 blymn Exp $ */
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/* $NetBSD: db_command.c,v 1.117 2008/07/10 12:42:24 blymn Exp $ */
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/*
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* Mach Operating System
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* Copyright (c) 1991,1990 Carnegie Mellon University
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@ -58,7 +58,7 @@
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: db_command.c,v 1.116 2008/07/10 12:38:28 blymn Exp $");
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__KERNEL_RCSID(0, "$NetBSD: db_command.c,v 1.117 2008/07/10 12:42:24 blymn Exp $");
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#include "opt_ddb.h"
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#include "opt_kgdb.h"
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@ -233,6 +233,9 @@ static const struct db_command db_show_cmds[] = {
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"Print the struct buf at address.", "[/f] address",NULL) },
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{ DDB_ADD_CMD("event", db_event_print_cmd, 0,
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"Print all the non-zero evcnt(9) event counters.", "[/f]",NULL) },
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{ DDB_ADD_CMD("files", db_show_files_cmd, 0,
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"Print the files open by process at address",
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"[/f] address", NULL) },
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{ DDB_ADD_CMD("lock", db_lock_print_cmd, 0,NULL,NULL,NULL) },
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{ DDB_ADD_CMD("malloc", db_malloc_print_cmd,0,NULL,NULL,NULL) },
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{ DDB_ADD_CMD("map", db_map_print_cmd, 0,
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@ -1,4 +1,4 @@
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/* $NetBSD: db_interface.h,v 1.22 2008/04/28 20:23:46 martin Exp $ */
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/* $NetBSD: db_interface.h,v 1.23 2008/07/10 12:42:24 blymn Exp $ */
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/*-
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* Copyright (c) 1995 The NetBSD Foundation, Inc.
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@ -42,6 +42,7 @@ void db_stack_trace_print(db_expr_t, bool, db_expr_t, const char *,
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/* ddb/db_xxx.c */
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void db_kgdb_cmd(db_expr_t, bool, db_expr_t, const char *);
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void db_show_files_cmd(db_expr_t, bool, db_expr_t, const char *);
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/* kern/kern_proc.c */
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void db_kill_proc(db_expr_t, bool, db_expr_t, const char *);
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@ -1,4 +1,4 @@
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/* $NetBSD: db_xxx.c,v 1.48 2007/12/02 19:35:33 ad Exp $ */
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/* $NetBSD: db_xxx.c,v 1.49 2008/07/10 12:42:24 blymn Exp $ */
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/*
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* Copyright (c) 1982, 1986, 1989, 1991, 1993
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@ -37,7 +37,7 @@
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: db_xxx.c,v 1.48 2007/12/02 19:35:33 ad Exp $");
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__KERNEL_RCSID(0, "$NetBSD: db_xxx.c,v 1.49 2008/07/10 12:42:24 blymn Exp $");
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#include "opt_kgdb.h"
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@ -48,11 +48,15 @@ __KERNEL_RCSID(0, "$NetBSD: db_xxx.c,v 1.48 2007/12/02 19:35:33 ad Exp $");
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#include <sys/msgbuf.h>
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#include <sys/callout.h>
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#include <sys/file.h>
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#include <sys/filedesc.h>
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#include <sys/lockdebug.h>
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#include <sys/signalvar.h>
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#include <sys/resourcevar.h>
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#include <sys/pool.h>
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#include <sys/kauth.h>
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#include <sys/mqueue.h>
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#include <sys/vnode.h>
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#include <machine/db_machdep.h>
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@ -115,6 +119,44 @@ db_kgdb_cmd(db_expr_t addr, bool haddr,
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}
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#endif
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void
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db_show_files_cmd(db_expr_t addr, bool haddr,
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db_expr_t count, const char *modif)
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{
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struct proc *p;
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int i;
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filedesc_t *fdp;
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fdfile_t *ff;
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file_t *fp;
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struct vnode *vn;
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bool full = false;
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if (modif[0] == 'f')
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full = true;
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p = (struct proc *) (intptr_t) addr;
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fdp = p->p_fd;
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for (i = 0; i < fdp->fd_nfiles; i++) {
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if ((ff = fdp->fd_ofiles[i]) == NULL)
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continue;
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fp = ff->ff_file;
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/* Only look at vnodes... */
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if (fp->f_type == DTYPE_VNODE) {
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vn = (struct vnode *) fp->f_data;
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vfs_vnode_print(vn, full, db_printf);
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#ifdef LOCKDEBUG
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lockdebug_lock_print(&(vn->v_uobj.vmobjlock),
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db_printf);
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#endif
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}
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}
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}
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void
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db_show_aio_jobs(db_expr_t addr, bool haddr,
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db_expr_t count, const char *modif)
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@ -137,7 +179,7 @@ db_show_all_procs(db_expr_t addr, bool haddr,
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struct proc *p, *pp, *cp;
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struct lwp *l, *cl;
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const struct proclist_desc *pd;
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char nbuf[MAXCOMLEN + 1];
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char db_nbuf[MAXCOMLEN + 1];
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if (modif[0] == 0)
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mode = "n"; /* default == normal mode */
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@ -197,14 +239,17 @@ db_show_all_procs(db_expr_t addr, bool haddr,
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case 'l':
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while (l != NULL) {
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if (l->l_name != NULL) {
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snprintf(nbuf, sizeof(nbuf),
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snprintf(db_nbuf,
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sizeof(db_nbuf),
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"%s", l->l_name);
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} else
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snprintf(nbuf, sizeof(nbuf),
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snprintf(db_nbuf,
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sizeof(db_nbuf),
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"%s", p->p_comm);
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db_printf("%c%4d %d %9x %18lx %18s %-8s\n",
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(cl == l ? '>' : ' '), l->l_lid,
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l->l_stat, l->l_flag, (long)l, nbuf,
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l->l_stat, l->l_flag, (long)l,
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db_nbuf,
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(l->l_wchan && l->l_wmesg) ?
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l->l_wmesg : "");
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