1 files changed, 12 insertions, 0 deletions

diff --git a/arch/x86/kernel/cpu/perf_event.c b/arch/x86/kernel/cpu/perf_event.c
index 55889e0b145..930fe487954 100644
--- a/arch/x86/kernel/cpu/perf_event.c
+++ b/arch/x86/kernel/cpu/perf_event.c
@@ -1696,3 +1696,15 @@ unsigned long perf_misc_flags(struct pt_regs *regs)
 
         return misc;
 }
+
+void perf_get_x86_pmu_capability(struct x86_pmu_capability *cap)
+{
+        cap->version            = x86_pmu.version;
+        cap->num_counters_gp    = x86_pmu.num_counters;
+        cap->num_counters_fixed = x86_pmu.num_counters_fixed;
+        cap->bit_width_gp       = x86_pmu.cntval_bits;
+        cap->bit_width_fixed    = x86_pmu.cntval_bits;
+        cap->events_mask        = (unsigned int)x86_pmu.events_maskl;
+        cap->events_mask_len    = x86_pmu.events_mask_len;
+}
+EXPORT_SYMBOL_GPL(perf_get_x86_pmu_capability);