perf: set event period

Change-Id: Ibf569de7af8697e766c10b8d70905b8cdc4df083
2019-11-19 14:18:17 +09:00
parent 86c45484e3
commit 343121c3d0
5 changed files with 54 additions and 0 deletions
--- a/kernel/syscall.c
+++ b/kernel/syscall.c
@ -4068,6 +4068,7 @@ void perf_start(struct mc_perf_event *event)
 			leader->base_system_tsc = thread->system_tsc;
 		}
 		else {
+			ihk_mc_event_set_period(leader);
 			perf_counter_set(leader);
 			counter_mask |= 1UL << counter_id;
 		}
@ -4097,6 +4098,7 @@ void perf_start(struct mc_perf_event *event)
 				sub->base_system_tsc = thread->system_tsc;
 			}
 			else {
+				ihk_mc_event_set_period(sub);
 				perf_counter_set(sub);
 				counter_mask |= 1UL << counter_id;
 			}