diff options
Diffstat (limited to 'arch/x86/kvm/pmu.h')
| -rw-r--r-- | arch/x86/kvm/pmu.h | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/arch/x86/kvm/pmu.h b/arch/x86/kvm/pmu.h index 13332984b6d5..a6c78a797cb1 100644 --- a/arch/x86/kvm/pmu.h +++ b/arch/x86/kvm/pmu.h @@ -88,7 +88,7 @@ static inline bool pmc_is_fixed(struct kvm_pmc *pmc) static inline bool pmc_is_enabled(struct kvm_pmc *pmc) { - return kvm_x86_ops->pmu_ops->pmc_is_enabled(pmc); + return kvm_x86_ops.pmu_ops->pmc_is_enabled(pmc); } static inline bool kvm_valid_perf_global_ctrl(struct kvm_pmu *pmu, @@ -129,6 +129,15 @@ static inline struct kvm_pmc *get_fixed_pmc(struct kvm_pmu *pmu, u32 msr) return NULL; } +static inline u64 get_sample_period(struct kvm_pmc *pmc, u64 counter_value) +{ + u64 sample_period = (-counter_value) & pmc_bitmask(pmc); + + if (!sample_period) + sample_period = pmc_bitmask(pmc) + 1; + return sample_period; +} + 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); |