adding tracer flush/unload stage unloading

Change-Id: Id84774b2ce20b261a9a84d2ad802b76093a748d4

inc/roctracer.h

@@ -253,6 +253,7 @@ roctracer_status_t roctracer_get_timestamp(
 // Load/Unload methods
 bool roctracer_load();
 void roctracer_unload();
+void roctracer_flush_buf();
 
 // Set properties
 roctracer_status_t roctracer_set_properties(

src/core/roctracer.cpp

@@ -1283,11 +1283,16 @@ PUBLIC_API void roctracer_unload() {
     roctracer::act_journal = NULL;
   }
 
-  roctracer::trace_buffer.Flush();
   roctracer::close_output_file(roctracer::kernel_file_handle);
   ONLOAD_TRACE_END();
 }
 
+PUBLIC_API void roctracer_flush_buf() {
+  ONLOAD_TRACE_BEG();
+  roctracer::trace_buffer.Flush();
+  ONLOAD_TRACE_END();
+}
+
 CONSTRUCTOR_API void constructor() {
   ONLOAD_TRACE_BEG();
   roctracer::util::Logger::Create();

test/tool/tracer_tool.cpp

@@ -974,12 +974,15 @@ extern "C" PUBLIC_API void OnUnload() {
 
 extern "C" CONSTRUCTOR_API void constructor() {
   ONLOAD_TRACE_BEG();
+  roctracer_load();
   tool_load();
   ONLOAD_TRACE_END();
 }
 extern "C" DESTRUCTOR_API void destructor() {
   ONLOAD_TRACE_BEG();
+  roctracer_flush_buf();
   tool_unload();
+  roctracer_unload();
   ONLOAD_TRACE_END();
 }