perf: add arch-dependent get_num_counters function

Change-Id: I2230af87e0c764d97115e833dccb1842946c1b94 Fujitsu: POSTK_DEBUG_ARCH_DEP_109
2019-01-29 11:33:41 +09:00
parent 2b254f02f8
commit 03cadbcba2
4 changed files with 13 additions and 1 deletions
--- a/arch/arm64/kernel/perfctr.c
+++ b/arch/arm64/kernel/perfctr.c
@ -183,3 +183,8 @@ int ihk_mc_perfctr_fixed_init(int counter, int mode)
 {
 	return -1;
 }
+
+int ihk_mc_perf_get_num_counters(void)
+{
+	return cpu_pmu.per_cpu[ihk_mc_get_processor_id()].num_events;
+}