diff options
Diffstat (limited to 'arch/x86/kernel/cpu/perf_event.h')
| -rw-r--r-- | arch/x86/kernel/cpu/perf_event.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/arch/x86/kernel/cpu/perf_event.h b/arch/x86/kernel/cpu/perf_event.h index 66fda0c2640..8484e77c211 100644 --- a/arch/x86/kernel/cpu/perf_event.h +++ b/arch/x86/kernel/cpu/perf_event.h @@ -33,6 +33,7 @@ enum extra_reg_type { EXTRA_REG_RSP_0 = 0, /* offcore_response_0 */ EXTRA_REG_RSP_1 = 1, /* offcore_response_1 */ + EXTRA_REG_LBR = 2, /* lbr_select */ EXTRA_REG_MAX /* number of entries needed */ }; @@ -130,6 +131,8 @@ struct cpu_hw_events { void *lbr_context; struct perf_branch_stack lbr_stack; struct perf_branch_entry lbr_entries[MAX_LBR_ENTRIES]; + struct er_account *lbr_sel; + u64 br_sel; /* * Intel host/guest exclude bits @@ -344,6 +347,7 @@ struct x86_pmu { void (*cpu_starting)(int cpu); void (*cpu_dying)(int cpu); void (*cpu_dead)(int cpu); + void (*flush_branch_stack)(void); /* * Intel Arch Perfmon v2+ @@ -365,6 +369,8 @@ struct x86_pmu { */ unsigned long lbr_tos, lbr_from, lbr_to; /* MSR base regs */ int lbr_nr; /* hardware stack size */ + u64 lbr_sel_mask; /* LBR_SELECT valid bits */ + const int *lbr_sel_map; /* lbr_select mappings */ /* * Extra registers for events @@ -478,6 +484,15 @@ extern struct event_constraint emptyconstraint; extern struct event_constraint unconstrained; +static inline bool kernel_ip(unsigned long ip) +{ +#ifdef CONFIG_X86_32 + return ip > PAGE_OFFSET; +#else + return (long)ip < 0; +#endif +} + #ifdef CONFIG_CPU_SUP_AMD int amd_pmu_init(void); @@ -558,6 +573,10 @@ void intel_pmu_lbr_init_nhm(void); void intel_pmu_lbr_init_atom(void); +void intel_pmu_lbr_init_snb(void); + +int intel_pmu_setup_lbr_filter(struct perf_event *event); + int p4_pmu_init(void); int p6_pmu_init(void); |