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authorAndi Kleen <ak@linux.intel.com>2015-05-10 12:22:41 -0700
committerSasha Levin <sasha.levin@oracle.com>2016-04-18 08:50:49 -0400
commitc7af1256a07538167fe1b14a6714e7b92cf82179 (patch)
treeb403f400ac0962029f7693c0bd012a7f68c0666f /arch/x86
parent3068107c9442d27ab2f37d08fca7eb3e862d412a (diff)
x86: Add new MSRs and MSR bits used for Intel Skylake PMU support
[ Upstream commit b83ff1c8617aac03a1cf807aafa848fe0f0908f2 ] Add new MSRs (LBR_INFO) and some new MSR bits used by the Intel Skylake PMU driver. Signed-off-by: Andi Kleen <ak@linux.intel.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: eranian@google.com Link: http://lkml.kernel.org/r/1431285767-27027-4-git-send-email-andi@firstfloor.org Signed-off-by: Ingo Molnar <mingo@kernel.org> Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
Diffstat (limited to 'arch/x86')
-rw-r--r--arch/x86/include/asm/perf_event.h7
-rw-r--r--arch/x86/include/uapi/asm/msr-index.h6
2 files changed, 13 insertions, 0 deletions
diff --git a/arch/x86/include/asm/perf_event.h b/arch/x86/include/asm/perf_event.h
index dc0f6ed35b08..7bcb861a04e5 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
*/
diff --git a/arch/x86/include/uapi/asm/msr-index.h b/arch/x86/include/uapi/asm/msr-index.h
index 3c6bb342a48f..06b407f79b24 100644
--- a/arch/x86/include/uapi/asm/msr-index.h
+++ b/arch/x86/include/uapi/asm/msr-index.h
@@ -72,6 +72,12 @@
#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