From 7d2d758d46d0047fa4e410e62f0a4f1eeb7d3a76 Mon Sep 17 00:00:00 2001
From: Ingo Weinhold <ingo_weinhold@gmx.de>
Date: Sun, 17 Feb 2008 14:36:47 +0000
Subject: [PATCH] axeld + bonefish: Make ktrace_printf() available in the
 kernel, too.

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@23979 a95241bf-73f2-0310-859d-f6bbb57e9c96
---
 src/system/kernel/debug/tracing.cpp | 36 +++++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)

diff --git a/src/system/kernel/debug/tracing.cpp b/src/system/kernel/debug/tracing.cpp
index b1469a1c9b..5e6f1d9986 100644
--- a/src/system/kernel/debug/tracing.cpp
+++ b/src/system/kernel/debug/tracing.cpp
@@ -341,6 +341,25 @@ AbstractTraceEntry::AddDump(TraceOutput& out)
 
 #if ENABLE_TRACING
 
+class KernelTraceEntry : public AbstractTraceEntry {
+	public:
+		KernelTraceEntry(const char* message)
+		{
+			fMessage = alloc_tracing_buffer_strcpy(message, 256, false);
+
+			Initialized();
+		}
+
+		virtual void AddDump(TraceOutput& out)
+		{
+			out.Print("kern: %s", fMessage);
+		}
+
+	private:
+		char*	fMessage;
+};
+
+
 class UserTraceEntry : public AbstractTraceEntry {
 	public:
 		UserTraceEntry(const char* message)
@@ -1087,6 +1106,23 @@ tracing_init(void)
 }
 
 
+void
+ktrace_printf(const char *format, ...)
+{
+#if	ENABLE_TRACING
+	va_list list;
+	va_start(list, format);
+
+	char buffer[256];
+	vsnprintf(buffer, sizeof(buffer), format, list);
+
+	va_end(list);
+
+	new(nothrow) KernelTraceEntry(buffer);
+#endif	// ENABLE_TRACING
+}
+
+
 void
 _user_ktrace_output(const char *message)
 {