IntelGPU backend: Fix profile data for nbench (#1931)

src/ngraph/runtime/intelgpu/intelgpu_backend.cpp

@@ -1648,12 +1648,15 @@ vector<runtime::PerformanceCounter>
                 const string primitive_name = convert_cldnn_names(func, p.first);
                 size_t usec = 0;
                 for (const auto& q : p.second.get_profiling_info())
+                {
+                    if (q.name == string("executing"))
                     {
                         usec += chrono::duration_cast<
-                                chrono::duration<int64_t, chrono::milliseconds::period>>(
+                                    chrono::duration<size_t, chrono::milliseconds::period>>(
                                     q.value->value())
                                     .count();
                     }
+                }
                 const runtime::PerformanceCounter perf_counter(primitive_name.c_str(), usec, 1);
                 rc.push_back(perf_counter);
             }