Moved tracing macro definitions into separate tracing_config.h header.

So now there's a central place to enable tracing in general and for
individual components.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@23645 a95241bf-73f2-0310-859d-f6bbb57e9c96

headers/private/kernel/tracing.h

@@ -1,5 +1,5 @@
-#ifndef KERNEL_UTIL_TRACING_H
-#define KERNEL_UTIL_TRACING_H
+#ifndef KERNEL_TRACING_H
+#define KERNEL_TRACING_H
 
 
 #include <SupportDefs.h>
@@ -7,9 +7,8 @@
 
 #include <stdio.h>
 
+#include <tracing_config.h>
 
-#define ENABLE_TRACING 0
-#define MAX_TRACE_SIZE 1024 * 1024
 
 struct trace_entry {
 	uint16  size;
@@ -88,4 +87,4 @@ status_t tracing_init(void);
 }
 #endif
 
-#endif	/* KERNEL_UTIL_TRACING_H */
+#endif	/* KERNEL_TRACING_H */

headers/private/kernel/tracing_config.h

@@ -0,0 +1,24 @@
+#ifndef KERNEL_TRACING_CONFIG_H
+#define KERNEL_TRACING_CONFIG_H
+
+// general settings
+
+// enable tracing (0/1)
+#ifndef ENABLE_TRACING
+#	define ENABLE_TRACING 0
+#endif
+
+// tracing buffer size (in bytes)
+#ifndef MAX_TRACE_SIZE
+#	define MAX_TRACE_SIZE 1024 * 1024
+#endif
+
+
+// macros that enable tracing for individual components
+
+//#define BLOCK_CACHE_TRANSACTION_TRACING
+//#define SIGNAL_TRACING
+//#define SYSCALL_TRACING
+//#define TEAM_TRACING
+
+#endif	// KERNEL_TRACING_CONFIG_H