SWDEV-504494 - Resolve signal dependencies

- Resolve signal dependencies for barrier value packet if there are > 1
  depenent signals. Barrier Value packet accounts for only 1 dep signal
- Better log

Change-Id: Ia506ad5d80b91d598f92e7b539f41756e9b4b64b

rocclr/device/rocm/rocvirtual.cpp

@@ -1259,13 +1259,21 @@ void VirtualGPU::dispatchBarrierValuePacket(uint16_t packetHeader, bool resolveD
   // Dependent signal and external signal cant be true at the same time
   assert(resolveDepSignal & (signal.handle != 0) == 0);
   if (resolveDepSignal) {
-    auto wait_signal = Barriers().WaitingSignal();
-    if (wait_signal.size() > 0) {
-      assert(wait_signal.size() == 1 && "Only one dep signal allowed for BarrierValue");
-      barrier_value_packet_.signal = wait_signal[0];
+    auto wait_signals = Barriers().WaitingSignal();
+    if (wait_signals.size() > 0) {
+      barrier_value_packet_.signal = wait_signals[0];
       barrier_value_packet_.value = kInitSignalValueOne;
       barrier_value_packet_.mask = std::numeric_limits<int64_t>::max();
       barrier_value_packet_.cond = HSA_SIGNAL_CONDITION_LT;
+      for (uint32_t i = 1; i < wait_signals.size(); ++i) {
+        uint32_t j = (i - 1) % 5;
+        barrier_packet_.dep_signal[j] = wait_signals[i];
+        constexpr bool kSkipSignal = true;
+        // If runtime reached the packet limit or the count limit, then flush the barrier
+        if ((j == 4) || ((i + 1) == wait_signals.size())) {
+          dispatchBarrierPacket(kNopPacketHeader, kSkipSignal);
+        }
+      }
     }
   }
 

rocclr/platform/commandqueue.cpp

@@ -158,13 +158,13 @@ void HostQueue::finish(bool cpu_wait) {
     if (command == NULL) {
       return;
     }
-    ClPrint(LOG_DEBUG, LOG_CMD, "Marker queued to ensure finish");
+    ClPrint(LOG_DEBUG, LOG_CMD, "Marker queued to %p for finish", this);
     command->enqueue();
   }
   // Check HW status of the ROCcrl event. Note: not all ROCclr modes support HW status
   static constexpr bool kWaitCompletion = true;
   if (cpu_wait || !device().IsHwEventReady(command->event(), kWaitCompletion)) {
-    ClPrint(LOG_DEBUG, LOG_CMD, "HW Event not ready, awaiting completion instead");
+    ClPrint(LOG_DEBUG, LOG_CMD, "No HW event || cpu wait=%d, await command completion", cpu_wait);
     command->awaitCompletion();
 
     if (IS_HIP) {
@@ -181,7 +181,7 @@ void HostQueue::finish(bool cpu_wait) {
   }
 
   command->release();
-  ClPrint(LOG_DEBUG, LOG_CMD, "All commands finished");
+  ClPrint(LOG_DEBUG, LOG_CMD, "All commands finished for host queue : %p", this);
 }
 
 void HostQueue::loop(device::VirtualDevice* virtualDevice) {