linux-kernel - [tip:perf/core] x86: Add new MSRs and MSR bits used for Intel Skylake PMU support

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Message-ID: <tip-b83ff1c8617aac03a1cf807aafa848fe0f0908f2@git.kernel.org>
Date:	Tue, 4 Aug 2015 01:56:58 -0700
From:	tip-bot for Andi Kleen <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	tglx@...utronix.de, hpa@...or.com, linux-kernel@...r.kernel.org,
	torvalds@...ux-foundation.org, ak@...ux.intel.com,
	mingo@...nel.org, peterz@...radead.org
Subject: [tip:perf/core] x86:
  Add new MSRs and MSR bits used for Intel Skylake PMU support

Commit-ID:  b83ff1c8617aac03a1cf807aafa848fe0f0908f2
Gitweb:     http://git.kernel.org/tip/b83ff1c8617aac03a1cf807aafa848fe0f0908f2
Author:     Andi Kleen <ak@...ux.intel.com>
AuthorDate: Sun, 10 May 2015 12:22:41 -0700
Committer:  Ingo Molnar <mingo@...nel.org>
CommitDate: Tue, 4 Aug 2015 10:16:56 +0200

x86: Add new MSRs and MSR bits used for Intel Skylake PMU support

Add new MSRs (LBR_INFO) and some new MSR bits used by the Intel Skylake
PMU driver.

Signed-off-by: Andi Kleen <ak@...ux.intel.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@...radead.org>
Cc: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Thomas Gleixner <tglx@...utronix.de>
Cc: eranian@...gle.com
Link: http://lkml.kernel.org/r/1431285767-27027-4-git-send-email-andi@firstfloor.org
Signed-off-by: Ingo Molnar <mingo@...nel.org>
---
 arch/x86/include/asm/msr-index.h  | 6 ++++++
 arch/x86/include/asm/perf_event.h | 7 +++++++
 2 files changed, 13 insertions(+)

diff --git a/arch/x86/include/asm/msr-index.h b/arch/x86/include/asm/msr-index.h
index c665d34..fcd17c1 100644
--- a/arch/x86/include/asm/msr-index.h
+++ b/arch/x86/include/asm/msr-index.h
@@ -73,6 +73,12 @@
 #define MSR_LBR_CORE_FROM		0x00000040
 #define MSR_LBR_CORE_TO			0x00000060
 
+#define MSR_LBR_INFO_0			0x00000dc0 /* ... 0xddf for _31 */
+#define LBR_INFO_MISPRED		BIT_ULL(63)
+#define LBR_INFO_IN_TX			BIT_ULL(62)
+#define LBR_INFO_ABORT			BIT_ULL(61)
+#define LBR_INFO_CYCLES			0xffff
+
 #define MSR_IA32_PEBS_ENABLE		0x000003f1
 #define MSR_IA32_DS_AREA		0x00000600
 #define MSR_IA32_PERF_CAPABILITIES	0x00000345
diff --git a/arch/x86/include/asm/perf_event.h b/arch/x86/include/asm/perf_event.h
index dc0f6ed..7bcb861 100644
--- a/arch/x86/include/asm/perf_event.h
+++ b/arch/x86/include/asm/perf_event.h
@@ -159,6 +159,13 @@ struct x86_pmu_capability {
  */
 #define INTEL_PMC_IDX_FIXED_BTS				(INTEL_PMC_IDX_FIXED + 16)
 
+#define GLOBAL_STATUS_COND_CHG				BIT_ULL(63)
+#define GLOBAL_STATUS_BUFFER_OVF			BIT_ULL(62)
+#define GLOBAL_STATUS_UNC_OVF				BIT_ULL(61)
+#define GLOBAL_STATUS_ASIF				BIT_ULL(60)
+#define GLOBAL_STATUS_COUNTERS_FROZEN			BIT_ULL(59)
+#define GLOBAL_STATUS_LBRS_FROZEN			BIT_ULL(58)
+
 /*
  * IBS cpuid feature detection
  */
--
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