linux-kernel - [tip:perf/urgent] perf/x86/intel: Enable C-state residency events for Knights Mill

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Message-ID: <tip-1dba23b12f49d7cf3d4504171c62541122b55141@git.kernel.org>
Date:   Tue, 6 Dec 2016 02:11:20 -0800
From:   tip-bot for Piotr Luc <tipbot@...or.com>
To:     linux-tip-commits@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org, tglx@...utronix.de, jolsa@...hat.com,
        torvalds@...ux-foundation.org, acme@...nel.org, acme@...hat.com,
        eranian@...gle.com, alexander.shishkin@...ux.intel.com,
        mingo@...nel.org, hpa@...or.com, piotr.luc@...el.com,
        vincent.weaver@...ne.edu, peterz@...radead.org
Subject: [tip:perf/urgent] perf/x86/intel: Enable C-state residency events
 for Knights Mill

Commit-ID:  1dba23b12f49d7cf3d4504171c62541122b55141
Gitweb:     http://git.kernel.org/tip/1dba23b12f49d7cf3d4504171c62541122b55141
Author:     Piotr Luc <piotr.luc@...el.com>
AuthorDate: Thu, 1 Dec 2016 01:08:53 +0100
Committer:  Ingo Molnar <mingo@...nel.org>
CommitDate: Tue, 6 Dec 2016 09:44:27 +0100

perf/x86/intel: Enable C-state residency events for Knights Mill

The Knights Mill is enough close to Knights Landing so the path reuses
C-state residency support of the latter.

Signed-off-by: Piotr Luc <piotr.luc@...el.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@...radead.org>
Cc: Alexander Shishkin <alexander.shishkin@...ux.intel.com>
Cc: Arnaldo Carvalho de Melo <acme@...nel.org>
Cc: Arnaldo Carvalho de Melo <acme@...hat.com>
Cc: Jiri Olsa <jolsa@...hat.com>
Cc: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Stephane Eranian <eranian@...gle.com>
Cc: Thomas Gleixner <tglx@...utronix.de>
Cc: Vince Weaver <vincent.weaver@...ne.edu>
Link: http://lkml.kernel.org/r/20161201000853.18260-1-piotr.luc@intel.com
Signed-off-by: Ingo Molnar <mingo@...nel.org>
---
 arch/x86/events/intel/cstate.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/x86/events/intel/cstate.c b/arch/x86/events/intel/cstate.c
index 4f5ac72..da51e5a 100644
--- a/arch/x86/events/intel/cstate.c
+++ b/arch/x86/events/intel/cstate.c
@@ -540,6 +540,7 @@ static const struct x86_cpu_id intel_cstates_match[] __initconst = {
 	X86_CSTATES_MODEL(INTEL_FAM6_SKYLAKE_DESKTOP, snb_cstates),
 
 	X86_CSTATES_MODEL(INTEL_FAM6_XEON_PHI_KNL, knl_cstates),
+	X86_CSTATES_MODEL(INTEL_FAM6_XEON_PHI_KNM, knl_cstates),
 	{ },
 };
 MODULE_DEVICE_TABLE(x86cpu, intel_cstates_match);