* Moved more debug macros to kernel_debug_config.h.

* Turned the checks for all those macros to "#if"s instead of "#ifdef"s.
* Introduced macro KDEBUG_LEVEL which serves as a master setting.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@28248 a95241bf-73f2-0310-859d-f6bbb57e9c96

build/config_headers/kernel_debug_config.h

@@ -1,42 +1,93 @@
 #ifndef KERNEL_DEBUG_CONFIG_H
 #define KERNEL_DEBUG_CONFIG_H
 
+// Master switch:
+// 0: Disables all debug code that hasn't been enabled otherwise.
+// 1: Enables some lightweight debug code.
+// 2: Enables more debug code. Will impact performance.
+#define KDEBUG_LEVEL 2
+
+#define KDEBUG_LEVEL_2	(KDEBUG_LEVEL >= 2)
+#define KDEBUG_LEVEL_1	(KDEBUG_LEVEL >= 1)
+#define KDEBUG_LEVEL_0	(KDEBUG_LEVEL >= 0)
+
 
 // general kernel debugging
 
 // Enables kernel ASSERT()s and various checks, locking primitives aren't
 // benaphore-style.
-#define KDEBUG 1
+#define KDEBUG							KDEBUG_LEVEL_2
 
 // Enable this to get support for kernel breakpoints.
-//#define KERNEL_BREAKPOINTS 1
+#define KERNEL_BREAKPOINTS				0
 
 
-// block cache
+// block/file cache
 
 // Enables debugger commands.
-#define DEBUG_BLOCK_CACHE
+#define DEBUG_BLOCK_CACHE				KDEBUG_LEVEL_1
 
 // Enables checks that non-dirty blocks really aren't changed. Seriously
 // degrades performance when the block cache is used heavily.
-#define BLOCK_CACHE_DEBUG_CHANGED
+#define BLOCK_CACHE_DEBUG_CHANGED		KDEBUG_LEVEL_2
+
+// Enables a global list of file maps and related debugger commands.
+#define DEBUG_FILE_MAP					KDEBUG_LEVEL_1
+
+
+// heap
+
+// Initialize newly allocated memory with something non zero.
+#define PARANOID_KERNEL_MALLOC			KDEBUG_LEVEL_2
+
+// Check for double free, and fill freed memory with 0xdeadbeef.
+#define PARANOID_KERNEL_FREE			KDEBUG_LEVEL_2
+
+// Validate sanity of the heap after each operation (slow!).
+#define PARANOID_HEAP_VALIDATION		0
+
+// Store size, thread and team info at the end of each allocation block.
+// Enables the "allocations*" debugger commands.
+#define KERNEL_HEAP_LEAK_CHECK			0
+
+
+// interrupts
+
+// Adds statistics and unhandled counter per interrupts. Enables the "ints"
+// debugger command.
+#define DEBUG_INTERRUPTS				KDEBUG_LEVEL_1
+
+
+// semaphores
+
+// Enables tracking of the last threads that acquired/released a semaphore.
+#define DEBUG_SEM_LAST_ACQUIRER			KDEBUG_LEVEL_1
+
+
+// SMP
+
+// Enables spinlock caller debugging. When acquiring a spinlock twice on a
+// non-SMP machine, this will give a clue who locked it the first time.
+// Furthermore (also on SMP machines) the "spinlock" debugger command will be
+// available.
+#define DEBUG_SPINLOCKS					KDEBUG_LEVEL_2
 
 
 // VM
 
 // Enables the vm_page::queue, i.e. it is tracked which queue the page should
 // be in.
-//#define DEBUG_PAGE_QUEUE	1
+#define DEBUG_PAGE_QUEUE				0
 
 // Enables extra debug fields in the vm_page used to track page transitions
 // between caches.
-//#define DEBUG_PAGE_CACHE_TRANSITIONS	1
+#define DEBUG_PAGE_CACHE_TRANSITIONS	0
 
 // Enables a global list of all vm_cache structures.
-//#define DEBUG_CACHE_LIST 1
+#define DEBUG_CACHE_LIST				KDEBUG_LEVEL_1
 
 // Enables swap support.
-#define ENABLE_SWAP_SUPPORT 1
+#define ENABLE_SWAP_SUPPORT				1
 
 // When set limits the amount of available RAM (in MB).
 //#define LIMIT_AVAILABLE_MEMORY	256