[code] _schedule: add nb_switches fields

src/context.hpp

@@ -66,6 +66,9 @@ struct BatsimContext
     my_timestamp simulation_start_time;             //!< The moment in time at which the simulation has started
     my_timestamp simulation_end_time;               //!< The moment in time at which the simulation has ended
 
+    unsigned long long nb_machine_switches = 0;     //!< The number of machine switches done in the simulation (should be greater or equal to SET_RESOURCE_STATE events. Equal if all requested switches only concern single machines). Does not count transition states.
+    unsigned long long nb_grouped_switches = 0;     //!< The number of switches done in the simulation (should equal to the number of received SET_RESOURCE_STATE events). Does not count transition states.
+
     bool energy_used;                               //!< Stores whether the energy part of Batsim should be used
     bool smpi_used;                                 //!< Stores whether SMPI should be used
     bool allow_time_sharing;                        //!< Stores whether time sharing (using the same machines to compute different jobs) should be allowed

src/export.cpp

@@ -853,6 +853,8 @@ void export_schedule_to_csv(const std::string &filename, const BatsimContext *co
     Rational total_consumed_energy = context->energy_last_job_completion - context->energy_first_job_submission;
     output_map["consumed_joules"] = to_string((double) total_consumed_energy);
 
+    output_map["nb_machine_switches"] = to_string(context->nb_machine_switches);
+    output_map["nb_grouped_switches"] = to_string(context->nb_grouped_switches);
 
     // Let's compute machine-related metrics
     map<MachineState, Rational> time_spent_in_each_state;

src/server.cpp

@@ -363,6 +363,10 @@ int server_process(int argc, char *argv[])
             context->pstate_tracer.add_pstate_change(MSG_get_clock(), message->machine_ids,
                                                      transition_state);
 
+            // Let's mark that some switches have been requested
+            context->nb_grouped_switches++;
+            context->nb_machine_switches += message->machine_ids.size();
+
             for (auto machine_it = message->machine_ids.elements_begin();
                  machine_it != message->machine_ids.elements_end();
                  ++machine_it)