diff options
Diffstat (limited to 'arch/x86/events/perf_event.h')
| -rw-r--r-- | arch/x86/events/perf_event.h | 49 |
1 files changed, 39 insertions, 10 deletions
diff --git a/arch/x86/events/perf_event.h b/arch/x86/events/perf_event.h index d91ff2c6cefe..ef27aee04b13 100644 --- a/arch/x86/events/perf_event.h +++ b/arch/x86/events/perf_event.h @@ -1218,6 +1218,8 @@ static inline bool fixed_counter_disabled(int i, struct pmu *pmu) #ifdef CONFIG_CPU_SUP_AMD int amd_pmu_init(void); + +#ifdef CONFIG_PERF_EVENTS_AMD_BRS int amd_brs_init(void); void amd_brs_disable(void); void amd_brs_enable(void); @@ -1252,25 +1254,52 @@ static inline void amd_pmu_brs_del(struct perf_event *event) void amd_pmu_brs_sched_task(struct perf_event_context *ctx, bool sched_in); -/* - * check if BRS is activated on the CPU - * active defined as it has non-zero users and DBG_EXT_CFG.BRSEN=1 - */ -static inline bool amd_brs_active(void) +static inline s64 amd_brs_adjust_period(s64 period) { - struct cpu_hw_events *cpuc = this_cpu_ptr(&cpu_hw_events); + if (period > x86_pmu.lbr_nr) + return period - x86_pmu.lbr_nr; - return cpuc->brs_active; + return period; +} +#else +static inline int amd_brs_init(void) +{ + return 0; } +static inline void amd_brs_disable(void) {} +static inline void amd_brs_enable(void) {} +static inline void amd_brs_drain(void) {} +static inline void amd_brs_lopwr_init(void) {} +static inline void amd_brs_disable_all(void) {} +static inline int amd_brs_setup_filter(struct perf_event *event) +{ + return 0; +} +static inline void amd_brs_reset(void) {} -static inline s64 amd_brs_adjust_period(s64 period) +static inline void amd_pmu_brs_add(struct perf_event *event) { - if (period > x86_pmu.lbr_nr) - return period - x86_pmu.lbr_nr; +} + +static inline void amd_pmu_brs_del(struct perf_event *event) +{ +} + +static inline void amd_pmu_brs_sched_task(struct perf_event_context *ctx, bool sched_in) +{ +} +static inline s64 amd_brs_adjust_period(s64 period) +{ return period; } +static inline void amd_brs_enable_all(void) +{ +} + +#endif + #else /* CONFIG_CPU_SUP_AMD */ static inline int amd_pmu_init(void) |