contrctor/destructor changes, OnLoad/OnUnload functions, removed hsa_init()/hsa_shutdown()

[ROCm/rocprofiler commit: a9a5119399]

projects/rocprofiler/src/util/hsa_rsrc_factory.cpp

@@ -81,10 +81,13 @@ hsa_status_t HsaRsrcFactory::FindMemRegionsCallback(hsa_region_t region, void* d
 
 // Constructor of the class
 HsaRsrcFactory::HsaRsrcFactory() {
+  hsa_status_t status;
+#if 0
   // Initialize the Hsa Runtime
-  hsa_status_t status = hsa_init();
+  printf("ROCProfiler: HSA init\n");
+  status = hsa_init();
   CHECK_STATUS("Error in hsa_init", status);
-
+#endif
   // Discover the set of Gpu devices available on the platform
   status = hsa_iterate_agents(GetHsaAgentsCallback, this);
   CHECK_STATUS("Error Calling hsa_iterate_agents", status);
@@ -108,9 +111,11 @@ HsaRsrcFactory::HsaRsrcFactory() {
 HsaRsrcFactory::~HsaRsrcFactory() {
   for (auto p : cpu_list_) delete p;
   for (auto p : gpu_list_) delete p;
-
+#if 0
+  printf("ROCProfiler: HSA shutdown\n");
   hsa_status_t status = hsa_shut_down();
   CHECK_STATUS("Error in hsa_shut_down", status);
+#endif
 }
 
 hsa_status_t HsaRsrcFactory::LoadAqlProfileLib(aqlprofile_pfn_t* api) {

projects/rocprofiler/src/util/hsa_rsrc_factory.h

@@ -114,9 +114,7 @@ class HsaRsrcFactory {
  public:
   typedef std::recursive_mutex mutex_t;
 
-  static HsaRsrcFactory* Create() { return NULL; }
-
-  static HsaRsrcFactory* CreateInstance() {
+  static HsaRsrcFactory* Create() {
     std::lock_guard<mutex_t> lck(mutex_);
     if (instance_ == NULL) {
       instance_ = new HsaRsrcFactory();
@@ -125,9 +123,9 @@ class HsaRsrcFactory {
   }
 
   static HsaRsrcFactory& Instance() {
-    CreateInstance();
+    if (instance_ == NULL) instance_ = Create();
     hsa_status_t status = (instance_ != NULL) ? HSA_STATUS_SUCCESS : HSA_STATUS_ERROR;
-    CHECK_STATUS("HsaRsrcFactory::Instance() is not found", status);
+    CHECK_STATUS("HsaRsrcFactory::Instance() failed", status);
     return *instance_;
   }