[UR][L0] Correctly wait on barrier on urEnqueueEventsWaitWithBarrier

When event list is null, a barrier is still needed for all
previous commands if profiling is enabled, so fix it.

Signed-off-by: Jaime Arteaga <[email protected]>

Author: Jaime Arteaga

source/adapters/level_zero/event.cpp

@@ -168,7 +168,8 @@ UR_APIEXPORT ur_result_t UR_APICALL urEnqueueEventsWaitWithBarrier(
         // TODO: this and other special handling of in-order queues to be
         // updated when/if Level Zero adds native support for in-order queues.
         //
-        if (Queue->isInOrderQueue() && InOrderBarrierBySignal) {
+        if (Queue->isInOrderQueue() && InOrderBarrierBySignal &&
+            !Queue->isProfilingEnabled()) {
           if (EventWaitList.Length) {
             ZE2UR_CALL(zeCommandListAppendWaitOnEvents,
                        (CmdList->first, EventWaitList.Length,
@@ -181,6 +182,7 @@ UR_APIEXPORT ur_result_t UR_APICALL urEnqueueEventsWaitWithBarrier(
                      (CmdList->first, Event->ZeEvent, EventWaitList.Length,
                       EventWaitList.ZeEventList));
         }
+
         return UR_RESULT_SUCCESS;
       };
 
@@ -964,8 +966,7 @@ ur_result_t CleanupCompletedEvent(ur_event_handle_t Event, bool QueueLocked,
 ur_result_t EventCreate(ur_context_handle_t Context, ur_queue_handle_t Queue,
                         bool HostVisible, ur_event_handle_t *RetEvent) {
 
-  bool ProfilingEnabled =
-      !Queue || (Queue->Properties & UR_QUEUE_FLAG_PROFILING_ENABLE) != 0;
+  bool ProfilingEnabled = !Queue || Queue->isProfilingEnabled();
 
   if (auto CachedEvent =
           Context->getEventFromContextCache(HostVisible, ProfilingEnabled)) {

source/adapters/level_zero/queue.hpp

@@ -515,6 +515,11 @@ struct ur_queue_handle_t_ : _ur_object {
   // lists in the queue.
   ur_result_t
   insertStartBarrierIfDiscardEventsMode(ur_command_list_ptr_t &CmdList);
+
+  // returns true if queue has profiling enabled
+  bool isProfilingEnabled() {
+    return ((this->Properties & UR_QUEUE_FLAG_PROFILING_ENABLE) != 0);
+  }
 };
 
 // This helper function creates a ur_event_handle_t and associate a