[PATCH 4/7] Simple Performance Counters: IA64 support

[Christoph Lameter <clameter@sgi.com>]

Provide a cycles_to_ns function

Signed-off-by: Christoph Lameter <clameter@sgi.com>
---
 include/asm-ia64/timex.h |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/include/asm-ia64/timex.h b/include/asm-ia64/timex.h
index 05a6baf..60a1eeb 100644
--- a/include/asm-ia64/timex.h
+++ b/include/asm-ia64/timex.h
@@ -39,4 +39,7 @@ get_cycles (void)
 	return ret;
 }
 
+#define cycles_to_ns(x) (((x) * local_cpu_data->nsec_per_cyc) \
+					>> IA64_NSEC_PER_CYC_SHIFT)
+
 #endif /* _ASM_IA64_TIMEX_H */
-- 
1.5.2.4

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