my state.

trying to get some memory optimisation (less pagetable reloading,
less tlb purging) features working smoothly.

to be documented when committing to trunk :)

kernel/debug.h

@@ -25,8 +25,21 @@
 #define DEBUG_TIME_LOCKS		1
 
 /* Runtime sanity checking. */
-#define DEBUG_VMASSERT			0
-#define DEBUG_SCHED_CHECK		0
+#define DEBUG_VMASSERT			1
+#define DEBUG_SCHED_CHECK		1
+#define DEBUG_STACK_CHECK		1
+#define DEBUG_TRACE			1
+
+#if DEBUG_TRACE
+
+#define VF_SCHEDULING		(1L << 1)
+#define VF_PICKPROC		(1L << 2)
+
+#define TRACE(code, statement) if(verboseflags & code) { printf("%s:%d: ", __FILE__, __LINE__); statement }
+
+#else
+#define TRACE(code, statement)
+#endif
 
 #define NOREC_ENTER(varname) \
 	static int varname = 0;	\
@@ -50,7 +63,6 @@
 
 #if DEBUG_VMASSERT
 #define vmassert(t) { \
-	FIXME("vmassert on"); \
 	if(!(t)) { minix_panic("vm: assert " #t " failed\n", __LINE__); } }
 #else
 #define vmassert(t) { }