ARM: 6071/1: perf-events: allow modules to query the number of hardware counters

[safe/jmp/linux-2.6] / arch / arm / kernel / perf_event.c

diff --git a/arch/arm/kernel/perf_event.c b/arch/arm/kernel/perf_event.c
index 381f121..c457686 100644 (file)
--- a/arch/arm/kernel/perf_event.c
+++ b/arch/arm/kernel/perf_event.c
@@ -111,6 +111,18 @@ armpmu_get_pmu_id(void)
 }
 EXPORT_SYMBOL_GPL(armpmu_get_pmu_id);
 
+int
+armpmu_get_max_events(void)
+{
+       int max_events = 0;
+
+       if (armpmu != NULL)
+               max_events = armpmu->num_events;
+
+       return max_events;
+}
+EXPORT_SYMBOL_GPL(armpmu_get_max_events);
+
 #define HW_OP_UNSUPPORTED              0xFFFF
 
 #define C(_x) \