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Diffstat (limited to 'arch/x86/kernel/cpu/perf_event.c')
-rw-r--r--arch/x86/kernel/cpu/perf_event.c12
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 55889e0b1452..930fe4879542 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);