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

From: Stephane Eranian
Date: Mon Feb 03 2014 - 07:56:47 EST


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@xxxxxxxxxx>
---
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

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/