Capture number of Numa Nodes present on system

Change-Id: Ic789a6b9da8e316cb483e50b0fe9faa03798f97c


[ROCm/ROCR-Runtime commit: 01eea21d6c]

projects/rocr-runtime/runtime/hsa-runtime/core/inc/runtime.h

@@ -504,6 +504,9 @@ class Runtime {
   // System clock frequency.
   uint64_t sys_clock_freq_;
 
+  // Number of Numa Nodes
+  size_t num_nodes_;
+
   // @brief AMD HSA event to monitor for virtual memory access fault.
   HsaEvent* vm_fault_event_;
 

projects/rocr-runtime/runtime/hsa-runtime/core/runtime/runtime.cpp

@@ -253,6 +253,7 @@ void Runtime::DestroyAgents() {
 }
 
 void Runtime::SetLinkCount(size_t num_nodes) {
+  num_nodes_ = num_nodes;
   link_matrix_.resize(num_nodes * num_nodes);
 }
 
@@ -276,7 +277,7 @@ const Runtime::LinkInfo Runtime::GetLinkInfo(uint32_t node_id_from,
 }
 
 uint32_t Runtime::GetIndexLinkInfo(uint32_t node_id_from, uint32_t node_id_to) {
-  return ((node_id_from * agents_by_node_.size()) + node_id_to);
+  return ((node_id_from * num_nodes_) + node_id_to);
 }
 
 hsa_status_t Runtime::IterateAgent(hsa_status_t (*callback)(hsa_agent_t agent,