- if (name.empty()) {
- THROWF(tracing_error, 0, "can't get a value with no name");
- }
- if (kind_ == TYPE_VARIABLE)
- THROWF(tracing_error, 0, "variables can't have different values (%s)", getCname());
+ /* 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
+ // create a key considering the resource and variable, and check if key exists in the global map:
+ // if it doesn't, set the variable to zero.
+ if (static std::set<std::string, std::less<>> platform_variables;
+ platform_variables.emplace(resource + get_name()).second)
+ set_event(now, 0);
+
+ add_event(now, value);
+ sub_event(now + delta, value);
+}