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Diffstat (limited to 'arch/x86/kernel/cpu/perf_event.h')
-rw-r--r--arch/x86/kernel/cpu/perf_event.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/x86/kernel/cpu/perf_event.h b/arch/x86/kernel/cpu/perf_event.h
index a7f06a90d2e7..7f5c75c2afdd 100644
--- a/arch/x86/kernel/cpu/perf_event.h
+++ b/arch/x86/kernel/cpu/perf_event.h
@@ -326,6 +326,7 @@ struct x86_pmu {
unsigned eventsel;
unsigned perfctr;
int (*addr_offset)(int index, bool eventsel);
+ int (*rdpmc_index)(int index);
u64 (*event_map)(int);
int max_events;
int num_counters;
@@ -459,6 +460,11 @@ static inline unsigned int x86_pmu_event_addr(int index)
x86_pmu.addr_offset(index, false) : index);
}
+static inline int x86_pmu_rdpmc_index(int index)
+{
+ return x86_pmu.rdpmc_index ? x86_pmu.rdpmc_index(index) : index;
+}
+
int x86_setup_perfctr(struct perf_event *event);
int x86_pmu_hw_config(struct perf_event *event);