perf/x86/intel/uncore: Add Broadwell-U uncore IMC PMU support

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This patch enables the uncore Memory Controller (IMC) PMU
support for Intel Broadwell-U (Model 61) mobile processors.
The IMC PMU enables measuring memory bandwidth.

To use with perf:
$ perf stat -a -I 1000 -e
uncore_imc/data_reads/,uncore_imc/data_writes/ sleep 10

Tested-by: Sonny Rao <sonnyrao@chromium.org>
Signed-off-by: Stephane Eranian <eranian@google.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: kan.liang@intel.com
Cc: peterz@infradead.org
Link: http://lkml.kernel.org/r/20150423065642.GA4890@thinkpad
Signed-off-by: Ingo Molnar <mingo@kernel.org>

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This commit is contained in:

Stephane Eranian 2015-04-23 08:56:42 +02:00 • committed by Ingo Molnar

parent f7dc7fd1c0

commit a41f3c8cd4

3 changed files with 24 additions and 0 deletions

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arch/x86/kernel/cpu/perf_event_intel_uncore.c

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1

arch/x86/kernel/cpu/perf_event_intel_uncore.h

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arch/x86/kernel/cpu/perf_event_intel_uncore_snb.c

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