- simgrid::instr::Type* ret = nullptr;
- for (auto elm : children_) {
- if (strcmp(elm.second->name_, name) == 0) {
- if (ret != nullptr) {
- THROWF (tracing_error, 0, "there are two children types with the same name?");
- } else {
- ret = elm.second;
- }
- }
+void VariableType::instr_event(double now, double delta, const char* resource, double value)
+{
+ /* To trace resource utilization, we use AddEvent and SubEvent only. This implies to add a SetEvent first to set the
+ * initial value of all variables for subsequent adds/subs. If we don't do so, the first AddEvent would be added to a
+ * non-determined value, hence causing analysis problems.
+ */
+
+ // to check if variables were previously set to 0, otherwise paje won't simulate them
+ static std::set<std::string, std::less<>> platform_variables;
+
+ // create a key considering the resource and variable
+ std::string key = std::string(resource) + get_name();
+
+ // check if key exists: if it doesn't, set the variable to zero and mark this in the global map.
+ if (platform_variables.find(key) == platform_variables.end()) {
+ set_event(now, 0);
+ platform_variables.insert(key);