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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.

Cc: mingo@elte.hu
Cc: acme@redhat.com
Cc: ak@linux.intel.com
Cc: zheng.z.yan@intel.com
Cc: peterz@infradead.org
Signed-off-by: Stephane Eranian <eranian@google.com>
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/1392132015-14521-9-git-send-email-eranian@google.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Stephane Eranian 2014-02-11 16:20:14 +01:00 committed by Thomas Gleixner
parent ced2efb099
commit e9d9768824
1 changed files with 4 additions and 4 deletions
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8
arch/x86/kernel/cpu/perf_event_intel_uncore.c
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@ -1679,12 +1679,12 @@ 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 */ },
};