diff --git a/drivers/android/vendor_hooks.c b/drivers/android/vendor_hooks.c
index 5442af200773..c04674169488 100644
--- a/drivers/android/vendor_hooks.c
+++ b/drivers/android/vendor_hooks.c
@@ -175,6 +175,7 @@ EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_record_mutex_lock_starttime);
 EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_record_rtmutex_lock_starttime);
 EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_record_rwsem_lock_starttime);
 EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_record_pcpu_rwsem_starttime);
+EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_percpu_rwsem_wq_add);
 EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_commit_creds);
 EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_exit_creds);
 EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_override_creds);
diff --git a/include/trace/hooks/dtask.h b/include/trace/hooks/dtask.h
index 5c6c04eb425b..0ada24dc250a 100644
--- a/include/trace/hooks/dtask.h
+++ b/include/trace/hooks/dtask.h
@@ -18,6 +18,7 @@ struct rt_mutex;
 struct rt_mutex_base;
 struct rw_semaphore;
 struct task_struct;
+struct percpu_rw_semaphore;
 
 DECLARE_HOOK(android_vh_mutex_wait_start,
 	TP_PROTO(struct mutex *lock),
@@ -102,6 +103,9 @@ DECLARE_HOOK(android_vh_flush_work_wait_finish,
 DECLARE_HOOK(android_vh_sched_show_task,
 	TP_PROTO(struct task_struct *task),
 	TP_ARGS(task));
+DECLARE_HOOK(android_vh_percpu_rwsem_wq_add,
+	TP_PROTO(struct percpu_rw_semaphore *sem, bool reader),
+	TP_ARGS(sem, reader));
 
 struct mutex_waiter;
 DECLARE_HOOK(android_vh_alter_mutex_list_add,
diff --git a/kernel/locking/percpu-rwsem.c b/kernel/locking/percpu-rwsem.c
index d07cc4959833..65731595483b 100644
--- a/kernel/locking/percpu-rwsem.c
+++ b/kernel/locking/percpu-rwsem.c
@@ -167,6 +167,7 @@ static void percpu_rwsem_wait(struct percpu_rw_semaphore *sem, bool reader)
 	if (wait) {
 		wq_entry.flags |= WQ_FLAG_EXCLUSIVE | reader * WQ_FLAG_CUSTOM;
 		__add_wait_queue_entry_tail(&sem->waiters, &wq_entry);
+		trace_android_vh_percpu_rwsem_wq_add(sem, reader);
 	}
 	spin_unlock_irq(&sem->waiters.lock);