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Diffstat (limited to 'arch/powerpc/include/asm/trace-clock.h')
-rw-r--r--arch/powerpc/include/asm/trace-clock.h48
1 files changed, 48 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/trace-clock.h b/arch/powerpc/include/asm/trace-clock.h
new file mode 100644
index 00000000000..05facc3e372
--- /dev/null
+++ b/arch/powerpc/include/asm/trace-clock.h
@@ -0,0 +1,48 @@
+/*
+ * Copyright (C) 2005,2008 Mathieu Desnoyers
+ *
+ * Trace clock PowerPC definitions.
+ *
+ * Use get_tb() directly to insure reading a 64-bits value on powerpc 32.
+ */
+
+#ifndef _ASM_TRACE_CLOCK_H
+#define _ASM_TRACE_CLOCK_H
+
+#include <linux/timex.h>
+#include <linux/time.h>
+#include <asm/time.h>
+
+static inline u32 trace_clock_read32(void)
+{
+ return get_tbl();
+}
+
+static inline u64 trace_clock_read64(void)
+{
+ return get_tb();
+}
+
+static inline unsigned int trace_clock_frequency(void)
+{
+ return get_cycles_rate();
+}
+
+static inline u32 trace_clock_freq_scale(void)
+{
+ return 1;
+}
+
+static inline int get_trace_clock(void)
+{
+ return 0;
+}
+
+static inline void put_trace_clock(void)
+{
+}
+
+static inline void set_trace_clock_is_sync(int state)
+{
+}
+#endif /* _ASM_TRACE_CLOCK_H */