performance counters: x86 support

[mirror_ubuntu-zesty-kernel.git] / arch / x86 / include / asm / intel_arch_perfmon.h

diff --git a/arch/x86/include/asm/intel_arch_perfmon.h b/arch/x86/include/asm/intel_arch_perfmon.h
index fa0fd068bc2e29aeaaad694db8c0e570c43c0df5..71598a9eab61719873cf9a72bf21096950264964 100644 (file)
--- a/arch/x86/include/asm/intel_arch_perfmon.h
+++ b/arch/x86/include/asm/intel_arch_perfmon.h
@@ -1,22 +1,24 @@
 #ifndef _ASM_X86_INTEL_ARCH_PERFMON_H
 #define _ASM_X86_INTEL_ARCH_PERFMON_H
 
-#define MSR_ARCH_PERFMON_PERFCTR0              0xc1
-#define MSR_ARCH_PERFMON_PERFCTR1              0xc2
+#define MSR_ARCH_PERFMON_PERFCTR0                            0xc1
+#define MSR_ARCH_PERFMON_PERFCTR1                            0xc2
 
-#define MSR_ARCH_PERFMON_EVENTSEL0             0x186
-#define MSR_ARCH_PERFMON_EVENTSEL1             0x187
+#define MSR_ARCH_PERFMON_EVENTSEL0                          0x186
+#define MSR_ARCH_PERFMON_EVENTSEL1                          0x187
 
-#define ARCH_PERFMON_EVENTSEL0_ENABLE  (1 << 22)
-#define ARCH_PERFMON_EVENTSEL_INT      (1 << 20)
-#define ARCH_PERFMON_EVENTSEL_OS       (1 << 17)
-#define ARCH_PERFMON_EVENTSEL_USR      (1 << 16)
+#define ARCH_PERFMON_EVENTSEL0_ENABLE                    (1 << 22)
+#define ARCH_PERFMON_EVENTSEL_INT                        (1 << 20)
+#define ARCH_PERFMON_EVENTSEL_OS                         (1 << 17)
+#define ARCH_PERFMON_EVENTSEL_USR                        (1 << 16)
 
-#define ARCH_PERFMON_UNHALTED_CORE_CYCLES_SEL  (0x3c)
-#define ARCH_PERFMON_UNHALTED_CORE_CYCLES_UMASK        (0x00 << 8)
-#define ARCH_PERFMON_UNHALTED_CORE_CYCLES_INDEX (0)
+#define ARCH_PERFMON_UNHALTED_CORE_CYCLES_SEL                0x3c
+#define ARCH_PERFMON_UNHALTED_CORE_CYCLES_UMASK                (0x00 << 8)
+#define ARCH_PERFMON_UNHALTED_CORE_CYCLES_INDEX                 0
 #define ARCH_PERFMON_UNHALTED_CORE_CYCLES_PRESENT \
-       (1 << (ARCH_PERFMON_UNHALTED_CORE_CYCLES_INDEX))
+               (1 << (ARCH_PERFMON_UNHALTED_CORE_CYCLES_INDEX))
+
+#define ARCH_PERFMON_BRANCH_MISSES_RETIRED                      6
 
 union cpuid10_eax {
        struct {
@@ -28,4 +30,12 @@ union cpuid10_eax {
        unsigned int full;
 };
 
+#ifdef CONFIG_PERF_COUNTERS
+extern void init_hw_perf_counters(void);
+extern void perf_counters_lapic_init(int nmi);
+#else
+static inline void init_hw_perf_counters(void)         { }
+static inline void perf_counters_lapic_init(int nmi)   { }
+#endif
+
 #endif /* _ASM_X86_INTEL_ARCH_PERFMON_H */