linux-kernel - [PATCH v1 10/10] perf/x86/uncore: use MiB unit for events for SNB/IVB/HSW IMC

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Message-Id: <1391432142-18723-11-git-send-email-eranian@google.com>
Date:	Mon,  3 Feb 2014 13:55:42 +0100
From:	Stephane Eranian <eranian@...gle.com>
To:	linux-kernel@...r.kernel.org
Cc:	peterz@...radead.org, mingo@...e.hu, acme@...hat.com,
	ak@...ux.intel.com, zheng.z.yan@...el.com
Subject: [PATCH v1 10/10] perf/x86/uncore: use MiB unit for events for SNB/IVB/HSW IMC

This patch makes perf use Mebibytes to display the counts
of uncore_imc/data_reads/ and uncore_imc/data_writes.

1MiB = 1024*1024 bytes.

Signed-off-by: Stephane Eranian <eranian@...gle.com>
---
 arch/x86/kernel/cpu/perf_event_intel_uncore.c |    8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/arch/x86/kernel/cpu/perf_event_intel_uncore.c b/arch/x86/kernel/cpu/perf_event_intel_uncore.c
index f76937e..51dced8 100644
--- a/arch/x86/kernel/cpu/perf_event_intel_uncore.c
+++ b/arch/x86/kernel/cpu/perf_event_intel_uncore.c
@@ -1681,12 +1681,12 @@ enum {
 
 static struct uncore_event_desc snb_uncore_imc_events[] = {
 	INTEL_UNCORE_EVENT_DESC(data_reads,  "event=0x01"),
-	INTEL_UNCORE_EVENT_DESC(data_reads.scale, "64"),
-	INTEL_UNCORE_EVENT_DESC(data_reads.unit, "bytes"),
+	INTEL_UNCORE_EVENT_DESC(data_reads.scale, "6.103515625e-5"),
+	INTEL_UNCORE_EVENT_DESC(data_reads.unit, "MiB"),
 
 	INTEL_UNCORE_EVENT_DESC(data_writes, "event=0x02"),
-	INTEL_UNCORE_EVENT_DESC(data_writes.scale, "64"),
-	INTEL_UNCORE_EVENT_DESC(data_writes.unit, "bytes"),
+	INTEL_UNCORE_EVENT_DESC(data_writes.scale, "6.103515625e-5"),
+	INTEL_UNCORE_EVENT_DESC(data_writes.unit, "MiB"),
 
 	{ /* end: all zeroes */ },
 };
-- 
1.7.9.5

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