diff options
Diffstat (limited to 'arch/x86/kvm/pmu.h')
| -rw-r--r-- | arch/x86/kvm/pmu.h | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/arch/x86/kvm/pmu.h b/arch/x86/kvm/pmu.h index 9e66fba1d6a3..e745f443b6a8 100644 --- a/arch/x86/kvm/pmu.h +++ b/arch/x86/kvm/pmu.h @@ -39,6 +39,8 @@ struct kvm_pmu_ops { void (*cleanup)(struct kvm_vcpu *vcpu); }; +void kvm_pmu_ops_update(const struct kvm_pmu_ops *pmu_ops); + static inline u64 pmc_bitmask(struct kvm_pmc *pmc) { struct kvm_pmu *pmu = pmc_to_pmu(pmc); @@ -86,11 +88,6 @@ static inline bool pmc_is_fixed(struct kvm_pmc *pmc) return pmc->type == KVM_PMC_FIXED; } -static inline bool pmc_is_enabled(struct kvm_pmc *pmc) -{ - return kvm_x86_ops.pmu_ops->pmc_is_enabled(pmc); -} - static inline bool kvm_valid_perf_global_ctrl(struct kvm_pmu *pmu, u64 data) { @@ -138,6 +135,15 @@ static inline u64 get_sample_period(struct kvm_pmc *pmc, u64 counter_value) return sample_period; } +static inline void pmc_update_sample_period(struct kvm_pmc *pmc) +{ + if (!pmc->perf_event || pmc->is_paused) + return; + + perf_event_period(pmc->perf_event, + get_sample_period(pmc, pmc->counter)); +} + void reprogram_gp_counter(struct kvm_pmc *pmc, u64 eventsel); void reprogram_fixed_counter(struct kvm_pmc *pmc, u8 ctrl, int fixed_idx); void reprogram_counter(struct kvm_pmu *pmu, int pmc_idx); |