diff options
| -rw-r--r-- | arch/x86/events/core.c | 11 | ||||
| -rw-r--r-- | arch/x86/include/asm/perf_event.h | 6 |
2 files changed, 17 insertions, 0 deletions
diff --git a/arch/x86/events/core.c b/arch/x86/events/core.c index 330825160b9a..2e16c268a005 100644 --- a/arch/x86/events/core.c +++ b/arch/x86/events/core.c @@ -3005,3 +3005,14 @@ void perf_get_x86_pmu_capability(struct x86_pmu_capability *cap) cap->pebs_ept = x86_pmu.pebs_ept; } EXPORT_SYMBOL_GPL(perf_get_x86_pmu_capability); + +u64 perf_get_hw_event_config(int hw_event) +{ + int max = x86_pmu.max_events; + + if (hw_event < max) + return x86_pmu.event_map(array_index_nospec(hw_event, max)); + + return 0; +} +EXPORT_SYMBOL_GPL(perf_get_hw_event_config); diff --git a/arch/x86/include/asm/perf_event.h b/arch/x86/include/asm/perf_event.h index 58e2fcbb8bcc..cc47044401ff 100644 --- a/arch/x86/include/asm/perf_event.h +++ b/arch/x86/include/asm/perf_event.h @@ -505,6 +505,7 @@ struct x86_pmu_lbr { }; extern void perf_get_x86_pmu_capability(struct x86_pmu_capability *cap); +extern u64 perf_get_hw_event_config(int hw_event); extern void perf_check_microcode(void); extern void perf_clear_dirty_counters(void); extern int x86_perf_rdpmc_index(struct perf_event *event); @@ -514,6 +515,11 @@ static inline void perf_get_x86_pmu_capability(struct x86_pmu_capability *cap) memset(cap, 0, sizeof(*cap)); } +static inline u64 perf_get_hw_event_config(int hw_event) +{ + return 0; +} + static inline void perf_events_lapic_init(void) { } static inline void perf_check_microcode(void) { } #endif |