From a004e1d63cc60549ae5db124adcafb18d60615f1 Mon Sep 17 00:00:00 2001
From: yamt <yamt@NetBSD.org>
Date: Thu, 1 Dec 2005 13:21:05 +0000
Subject: [PATCH] add "show all pools" command for ddb.

---
 sys/ddb/db_command.c   |  5 +++--
 sys/ddb/db_interface.h |  3 ++-
 sys/ddb/db_xxx.c       | 11 +++++++++--
 sys/kern/subr_pool.c   | 20 ++++++++++++++++++--
 sys/sys/pool.h         |  3 ++-
 5 files changed, 34 insertions(+), 8 deletions(-)

diff --git a/sys/ddb/db_command.c b/sys/ddb/db_command.c
index dd02a44b1552..76ef31af780e 100644
--- a/sys/ddb/db_command.c
+++ b/sys/ddb/db_command.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: db_command.c,v 1.81 2005/11/27 13:05:28 yamt Exp $	*/
+/*	$NetBSD: db_command.c,v 1.82 2005/12/01 13:21:05 yamt Exp $	*/
 
 /*
  * Mach Operating System
@@ -31,7 +31,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: db_command.c,v 1.81 2005/11/27 13:05:28 yamt Exp $");
+__KERNEL_RCSID(0, "$NetBSD: db_command.c,v 1.82 2005/12/01 13:21:05 yamt Exp $");
 
 #include "opt_ddb.h"
 #include "opt_kgdb.h"
@@ -128,6 +128,7 @@ static void	db_mount_print_cmd(db_expr_t, int, db_expr_t, const char *);
 static const struct db_command db_show_all_cmds[] = {
 	{ "callout",	db_show_callout,	0, NULL },
 	{ "procs",	db_show_all_procs,	0, NULL },
+	{ "pools",	db_show_all_pools,	0, NULL },
 	{ NULL, 	NULL, 			0, NULL }
 };
 
diff --git a/sys/ddb/db_interface.h b/sys/ddb/db_interface.h
index e0835585f59b..22178a31db5f 100644
--- a/sys/ddb/db_interface.h
+++ b/sys/ddb/db_interface.h
@@ -1,4 +1,4 @@
-/*	$NetBSD: db_interface.h,v 1.15 2005/06/01 12:25:27 drochner Exp $	*/
+/*	$NetBSD: db_interface.h,v 1.16 2005/12/01 13:21:05 yamt Exp $	*/
 
 /*-
  * Copyright (c) 1995 The NetBSD Foundation, Inc.
@@ -53,6 +53,7 @@ void		db_kgdb_cmd(db_expr_t, int, db_expr_t, const char *);
 /* kern/kern_proc.c */
 void		db_kill_proc(db_expr_t, int, db_expr_t, const char *);
 void		db_show_all_procs(db_expr_t, int, db_expr_t, const char *);
+void		db_show_all_pools(db_expr_t, int, db_expr_t, const char *);
 void		db_show_sched_qs(db_expr_t, int, db_expr_t, const char *);
 
 /* kern/kern_clock.c */
diff --git a/sys/ddb/db_xxx.c b/sys/ddb/db_xxx.c
index 1839233ca49a..542987d9bc07 100644
--- a/sys/ddb/db_xxx.c
+++ b/sys/ddb/db_xxx.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: db_xxx.c,v 1.32 2005/10/15 17:29:11 yamt Exp $	*/
+/*	$NetBSD: db_xxx.c,v 1.33 2005/12/01 13:21:05 yamt Exp $	*/
 
 /*
  * Copyright (c) 1982, 1986, 1989, 1991, 1993
@@ -39,7 +39,7 @@
 #include "opt_kgdb.h"
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: db_xxx.c,v 1.32 2005/10/15 17:29:11 yamt Exp $");
+__KERNEL_RCSID(0, "$NetBSD: db_xxx.c,v 1.33 2005/12/01 13:21:05 yamt Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -227,6 +227,13 @@ db_show_all_procs(db_expr_t addr, int haddr, db_expr_t count, const char *modif)
 	}
 }
 
+void
+db_show_all_pools(db_expr_t addr, int haddr, db_expr_t count, const char *modif)
+{
+
+	pool_printall(modif, db_printf);
+}
+
 void
 db_dmesg(db_expr_t addr, int haddr, db_expr_t count, const char *modif)
 {
diff --git a/sys/kern/subr_pool.c b/sys/kern/subr_pool.c
index a25684d04387..0f5041d564e5 100644
--- a/sys/kern/subr_pool.c
+++ b/sys/kern/subr_pool.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: subr_pool.c,v 1.107 2005/11/02 14:32:54 yamt Exp $	*/
+/*	$NetBSD: subr_pool.c,v 1.108 2005/12/01 13:21:05 yamt Exp $	*/
 
 /*-
  * Copyright (c) 1997, 1999, 2000 The NetBSD Foundation, Inc.
@@ -38,7 +38,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: subr_pool.c,v 1.107 2005/11/02 14:32:54 yamt Exp $");
+__KERNEL_RCSID(0, "$NetBSD: subr_pool.c,v 1.108 2005/12/01 13:21:05 yamt Exp $");
 
 #include "opt_pool.h"
 #include "opt_poollog.h"
@@ -1580,6 +1580,22 @@ pool_print(struct pool *pp, const char *modif)
 	splx(s);
 }
 
+void
+pool_printall(const char *modif, void (*pr)(const char *, ...))
+{
+	struct pool *pp;
+
+	if (simple_lock_try(&pool_head_slock) == 0) {
+		(*pr)("WARNING: pool_head_slock is locked\n");
+	} else {
+		simple_unlock(&pool_head_slock);
+	}
+
+	LIST_FOREACH(pp, &pool_head, pr_poollist) {
+		pool_printit(pp, modif, pr);
+	}
+}
+
 void
 pool_printit(struct pool *pp, const char *modif, void (*pr)(const char *, ...))
 {
diff --git a/sys/sys/pool.h b/sys/sys/pool.h
index 7e47cbc7c0a4..bbf0b081271b 100644
--- a/sys/sys/pool.h
+++ b/sys/sys/pool.h
@@ -1,4 +1,4 @@
-/*	$NetBSD: pool.h,v 1.46 2005/10/02 17:29:31 chs Exp $	*/
+/*	$NetBSD: pool.h,v 1.47 2005/12/01 13:21:05 yamt Exp $	*/
 
 /*-
  * Copyright (c) 1997, 1998, 1999, 2000 The NetBSD Foundation, Inc.
@@ -271,6 +271,7 @@ void		pool_drain(void *);
 void		pool_print(struct pool *, const char *);
 void		pool_printit(struct pool *, const char *,
 		    void (*)(const char *, ...));
+void		pool_printall(const char *, void (*)(const char *, ...));
 int		pool_chk(struct pool *, const char *);
 
 /*