[RFC patch 11/15] LTTng timestamp powerpc

[Mathieu Desnoyers]

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@xxxxxxxxxx>
CC: benh@xxxxxxxxxxxxxxxxxxx
CC: paulus@xxxxxxxxx
CC: linux-arch@xxxxxxxxxxxxxxx
---
 arch/powerpc/Kconfig      |    1 +
 include/asm-powerpc/ltt.h |   37 +++++++++++++++++++++++++++++++++++++
 2 files changed, 38 insertions(+)

Index: linux-2.6-lttng/include/asm-powerpc/ltt.h
===================================================================
--- /dev/null	1970-01-01 00:00:00.000000000 +0000
+++ linux-2.6-lttng/include/asm-powerpc/ltt.h	2008-10-16 19:18:51.000000000 -0400
@@ -0,0 +1,37 @@
+/*
+ * Copyright (C) 2005, Mathieu Desnoyers
+ *
+ * POWERPC definitions for tracing system
+ */
+
+#ifndef _ASM_POWERPC_LTT_H
+#define _ASM_POWERPC_LTT_H
+
+#include <linux/timex.h>
+#include <asm/time.h>
+#include <asm/processor.h>
+
+static inline u32 ltt_get_timestamp32(void)
+{
+	return get_tbl();
+}
+
+static inline u64 ltt_get_timestamp64(void)
+{
+	return get_tb();
+}
+
+static inline void ltt_add_timestamp(unsigned long ticks)
+{ }
+
+static inline unsigned int ltt_frequency(void)
+{
+	return tb_ticks_per_sec;
+}
+
+static inline u32 ltt_freq_scale(void)
+{
+	return 1;
+}
+
+#endif /* _ASM_POWERPC_LTT_H */
Index: linux-2.6-lttng/arch/powerpc/Kconfig
===================================================================
--- linux-2.6-lttng.orig/arch/powerpc/Kconfig	2008-10-16 19:14:07.000000000 -0400
+++ linux-2.6-lttng/arch/powerpc/Kconfig	2008-10-16 19:20:22.000000000 -0400
@@ -115,6 +115,7 @@ config PPC
 	select HAVE_IOREMAP_PROT
 	select HAVE_EFFICIENT_UNALIGNED_ACCESS
 	select HAVE_KPROBES
+	select HAVE_LTT_CLOCK
 	select HAVE_ARCH_KGDB
 	select HAVE_KRETPROBES
 	select HAVE_ARCH_TRACEHOOK

-- 
Mathieu Desnoyers
Computer Engineering Ph.D. Student, Ecole Polytechnique de Montreal
OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F  BA06 3F25 A8FE 3BAE 9A68
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