From 9a172ee34ea00f64c6fd936e9b6ff608c612eaeb Mon Sep 17 00:00:00 2001
From: iwasaki <iwasaki@FreeBSD.org>
Date: Thu, 5 Sep 2002 11:45:02 +0000
Subject: Add debug.rman_debug sysctl MIB and loader tunable instead of broken
 RMAN_DEBUG option. This would be useful for debugging resource manager code.

---
 sys/kern/subr_rman.c | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

(limited to 'sys/kern')

diff --git a/sys/kern/subr_rman.c b/sys/kern/subr_rman.c
index 7c5502e..858434b 100644
--- a/sys/kern/subr_rman.c
+++ b/sys/kern/subr_rman.c
@@ -66,12 +66,14 @@
 #include <sys/bus.h>		/* XXX debugging */
 #include <machine/bus.h>
 #include <sys/rman.h>
+#include <sys/sysctl.h>
 
-#ifdef RMAN_DEBUG
-#define DPRINTF(params) printf##params
-#else
-#define DPRINTF(params)
-#endif
+int     rman_debug = 0;
+TUNABLE_INT("debug.rman_debug", &rman_debug);
+SYSCTL_INT(_debug, OID_AUTO, rman_debug, CTLFLAG_RW,
+    &rman_debug, 0, "rman debug");
+
+#define DPRINTF(params) if (rman_debug) printf params
 
 static MALLOC_DEFINE(M_RMAN, "rman", "Resource manager");
 
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