+TraceFormat trace_format = TraceFormat::Paje;
+int trace_precision;
+
+/*************
+ * Callbacks *
+ *************/
+xbt::signal<void(Container const&)> Container::on_creation;
+xbt::signal<void(Container const&)> Container::on_destruction;
+xbt::signal<void(Type const&, PajeEventType)> Type::on_creation;
+xbt::signal<void(LinkType const&, Type const&, Type const&)> LinkType::on_creation;
+xbt::signal<void(PajeEvent&)> PajeEvent::on_creation;
+xbt::signal<void(PajeEvent const&)> PajeEvent::on_destruction;
+xbt::signal<void(StateEvent const&)> StateEvent::on_destruction;
+xbt::signal<void(EntityValue const&)> EntityValue::on_creation;
+
+static void on_container_creation_paje(const Container& c)
+{
+ double timestamp = simgrid_get_clock();
+ std::stringstream stream;
+
+ XBT_DEBUG("%s: event_type=%u, timestamp=%f", __func__, static_cast<unsigned>(PajeEventType::CreateContainer),
+ timestamp);
+
+ stream << std::fixed << std::setprecision(trace_precision) << PajeEventType::CreateContainer << " ";
+ stream << timestamp << " " << c.get_id() << " " << c.get_type()->get_id() << " " << c.get_parent()->get_id() << " \"";
+ if (c.get_name().find("rank-") != 0)
+ stream << c.get_name() << "\"";
+ else
+ /* Subtract -1 because this is the process id and we transform it to the rank id */
+ stream << "rank-" << stoi(c.get_name().substr(5)) - 1 << "\"";
+
+ XBT_DEBUG("Dump %s", stream.str().c_str());
+ tracing_file << stream.str() << std::endl;
+}
+
+static void on_container_destruction_paje(const Container& c)
+{
+ // trace my destruction, but not if user requests so or if the container is root
+ if (not trace_disable_destroy && &c != Container::get_root()) {
+ std::stringstream stream;
+ double timestamp = simgrid_get_clock();
+
+ XBT_DEBUG("%s: event_type=%u, timestamp=%f", __func__, static_cast<unsigned>(PajeEventType::DestroyContainer),
+ timestamp);
+
+ stream << std::fixed << std::setprecision(trace_precision) << PajeEventType::DestroyContainer << " ";
+ stream << timestamp << " " << c.get_type()->get_id() << " " << c.get_id();
+ XBT_DEBUG("Dump %s", stream.str().c_str());
+ tracing_file << stream.str() << std::endl;
+ }
+}
+
+static void on_container_creation_ti(const Container& c)
+{
+ XBT_DEBUG("%s: event_type=%u, timestamp=%f", __func__, static_cast<unsigned>(PajeEventType::CreateContainer),
+ simgrid_get_clock());
+ // if we are in the mode with only one file
+ static std::ofstream* ti_unique_file = nullptr;
+ static double prefix = 0.0;
+
+ if (tracing_files.empty()) {
+ // generate unique run id with time
+ prefix = xbt_os_time();
+ }
+
+ if (not simgrid::config::get_value<bool>("tracing/smpi/format/ti-one-file") || ti_unique_file == nullptr) {
+ std::string folder_name = simgrid::config::get_value<std::string>("tracing/filename") + "_files";
+ std::string filename = folder_name + "/" + std::to_string(prefix) + "_" + c.get_name() + ".txt";
+#ifdef WIN32
+ _mkdir(folder_name.c_str());
+#else
+ mkdir(folder_name.c_str(), S_IRWXU | S_IRWXG | S_IRWXO);
+#endif
+ ti_unique_file = new std::ofstream(filename.c_str(), std::ofstream::out);
+ xbt_assert(not ti_unique_file->fail(), "Tracefile %s could not be opened for writing", filename.c_str());
+ tracing_file << filename << std::endl;
+ }
+ tracing_files.insert({&c, ti_unique_file});
+}
+
+static void on_container_destruction_ti(const Container& c)
+{
+ if (not trace_disable_destroy && &c != Container::get_root()) {
+ if (not simgrid::config::get_value<bool>("tracing/smpi/format/ti-one-file") || tracing_files.size() == 1) {
+ tracing_files.at(&c)->close();
+ delete tracing_files.at(&c);
+ }
+ tracing_files.erase(&c);
+ }
+}
+
+static void on_entity_value_creation(const EntityValue& value)
+{
+ std::stringstream stream;
+ XBT_DEBUG("%s: event_type=%u", __func__, static_cast<unsigned>(PajeEventType::DefineEntityValue));
+ stream << std::fixed << std::setprecision(trace_precision) << PajeEventType::DefineEntityValue;
+ stream << " " << value.get_id() << " " << value.get_parent()->get_id() << " " << value.get_name();
+ if (not value.get_color().empty())
+ stream << " \"" << value.get_color() << "\"";
+ XBT_DEBUG("Dump %s", stream.str().c_str());
+ tracing_file << stream.str() << std::endl;
+}
+
+static void on_event_creation(PajeEvent& event)
+{
+ XBT_DEBUG("%s: event_type=%u, timestamp=%.*f", __func__, static_cast<unsigned>(event.eventType_), trace_precision,
+ event.timestamp_);
+ event.stream_ << std::fixed << std::setprecision(trace_precision);
+ event.stream_ << event.eventType_ << " " << event.timestamp_ << " ";
+ event.stream_ << event.get_type()->get_id() << " " << event.get_container()->get_id();
+}
+
+static void on_event_destruction(const PajeEvent& event)
+{
+ XBT_DEBUG("Dump %s", event.stream_.str().c_str());
+ tracing_file << event.stream_.str() << std::endl;
+}
+
+static void on_state_event_destruction(const StateEvent& event)
+{
+ if (event.has_extra())
+ *tracing_files.at(event.get_container()) << event.stream_.str() << std::endl;
+}
+
+static void on_type_creation(const Type& type, PajeEventType event_type)
+{
+ if (event_type == PajeEventType::DefineLinkType)
+ return; // this kind of type has to be handled differently
+
+ std::stringstream stream;
+ stream << std::fixed << std::setprecision(trace_precision);
+ XBT_DEBUG("%s: event_type=%u, timestamp=%.*f", __func__, static_cast<unsigned>(event_type), trace_precision, 0.);
+ stream << event_type << " " << type.get_id() << " " << type.get_parent()->get_id() << " " << type.get_name();
+ if (type.is_colored())
+ stream << " \"" << type.get_color() << "\"";
+ XBT_DEBUG("Dump %s", stream.str().c_str());
+ tracing_file << stream.str() << std::endl;
+}
+
+static void on_link_type_creation(const Type& type, const Type& source, const Type& dest)
+{
+ std::stringstream stream;
+ XBT_DEBUG("%s: event_type=%u, timestamp=%.*f", __func__, static_cast<unsigned>(PajeEventType::DefineLinkType),
+ trace_precision, 0.);
+ stream << PajeEventType::DefineLinkType << " " << type.get_id() << " " << type.get_parent()->get_id();
+ stream << " " << source.get_id() << " " << dest.get_id() << " " << type.get_name();
+ XBT_DEBUG("Dump %s", stream.str().c_str());
+ tracing_file << stream.str() << std::endl;
+}