trace buffer flush on destruct

[ROCm/roctracer commit: 9ad1269ae8]

projects/roctracer/src/core/loader.h

@@ -47,6 +47,7 @@ class HipLoader : protected Loader {
   typedef decltype(hipRegisterActivityCallback) RegisterActivityCallback_t;
   typedef decltype(hipRemoveActivityCallback) RemoveActivityCallback_t;
   typedef decltype(hipKernelNameRef) KernelNameRef_t;
+  typedef decltype(hipApiName) ApiName_t;
 
   static HipLoader& Instance() {
     HipLoader* obj = instance_.load(std::memory_order_acquire);
@@ -66,6 +67,7 @@ class HipLoader : protected Loader {
     RegisterActivityCallback = GetFun<RegisterActivityCallback_t>("hipRegisterActivityCallback");
     RemoveActivityCallback = GetFun<RemoveActivityCallback_t>("hipRemoveActivityCallback");
     KernelNameRef = GetFun<KernelNameRef_t>("hipKernelNameRef");
+    ApiName = GetFun<ApiName_t>("hipApiName");
   }
 
   RegisterApiCallback_t* RegisterApiCallback;
@@ -73,6 +75,7 @@ class HipLoader : protected Loader {
   RegisterActivityCallback_t* RegisterActivityCallback;
   RemoveActivityCallback_t* RemoveActivityCallback;
   KernelNameRef_t* KernelNameRef;
+  ApiName_t* ApiName;
 
   private:
   static std::atomic<HipLoader*> instance_;

projects/roctracer/src/core/roctracer.cpp

@@ -598,7 +598,7 @@ PUBLIC_API const char* roctracer_op_string(
       break;
     }
     case ACTIVITY_DOMAIN_HIP_API: {
-      return hipApiName(op);
+      return roctracer::HipLoader::Instance().ApiName(op);
       break;
     }
     default:

projects/roctracer/test/tool/tracer_tool.cpp

@@ -196,7 +196,7 @@ void hip_api_flush_cb(hip_api_trace_entry_t* entry) {
   std::ostringstream oss;                                                                        \
 
   oss << std::dec <<
-    begin_timestamp << ":" << end_timestamp << " " << entry->pid << ":" << entry->tid << " " << roctracer_op_string(ACTIVITY_DOMAIN_HIP_API, cid, 0);                                                       \
+    begin_timestamp << ":" << end_timestamp << " " << entry->pid << ":" << entry->tid << " " << roctracer_op_string(ACTIVITY_DOMAIN_HIP_API, cid, 0);
 
   switch (cid) {
     case HIP_API_ID_hipMemcpy:
@@ -244,6 +244,7 @@ void hcc_activity_callback(const char* begin, const char* end, void* arg) {
     if (record->domain == ACTIVITY_DOMAIN_HCC_OPS) {
       fprintf(hcc_activity_file_handle, "%lu:%lu %d:%lu %s:%lu\n",
         record->begin_ns, record->end_ns, record->device_id, record->queue_id, name, record->correlation_id);
+      fflush(hcc_activity_file_handle);
     } else {
 #if 0
       fprintf(hip_api_file_handle, "%lu:%lu %u:%u %s()\n",