SWDEV-569101 - increase signal list size to at least

 DEBUG_HIP_GRAPH_BATCH_SIZE (#2084)
[rocm-systems] ROCm/rocm-systems#2084 (commit 65b769e)

Author: iassiour

rocclr/device/rocm/rocvirtual.cpp

@@ -440,7 +440,8 @@ hsa_signal_t VirtualGPU::HwQueueTracker::ActiveSignal(hsa_signal_value_t init_va
   auto temp_id = (current_id_ + 2) % signal_list_.size();
 
   // If GPU is still busy with processing, then add more signals to avoid more frequent stalls
-  if (Hsa::signal_load_relaxed(signal_list_[temp_id]->signal_) > 0) {
+  if ((Hsa::signal_load_relaxed(signal_list_[temp_id]->signal_) > 0) ||
+      (signal_list_[temp_id]->ts_ == ts)) {
     std::unique_ptr<ProfilingSignal> signal(new ProfilingSignal());
     if ((signal != nullptr) && CreateSignal(signal.get())) {
       // Find valid new index