From: Christoph Lameter <clameter@sgi.com>
To: linux-kernel@vger.kernel.org
Cc: Christoph Lameter <clameter@sgi.com>
Subject: [PATCH 4/7] Simple Performance Counters: IA64 support
Date: Tue, 31 Jul 2007 16:25:09 -0700 [thread overview]
Message-ID: <11859243122176-git-send-email-clameter@sgi.com> (raw)
In-Reply-To: simple-perf-counters
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
reply other threads:[~2007-07-31 23:25 UTC|newest]
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