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4 Commits
4f7893b70e
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5509743101
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5509743101 | ||
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dfab397122 | ||
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fb90cbf14a | ||
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4c221983c0 |
10
executionFCFS.csv
Normal file
10
executionFCFS.csv
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@ -0,0 +1,10 @@
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1,10,0,0
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2,40,0,0
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3,50,30,0
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4,30,20,0
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5,40,10,0
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6,50,30,0
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7,90,40,0
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8,90,60,0
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9,50,40,0
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10,90,30,0
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10
executionRR.csv
Normal file
10
executionRR.csv
Normal file
@ -0,0 +1,10 @@
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1,10,0,4
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2,84,44,19
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3,42,24,9
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4,22,14,4
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5,94,66,14
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6,66,48,9
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7,148,100,24
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8,98,70,14
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9,30,22,4
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10,90,32,29
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1
performanceFCFS.csv
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1
performanceFCFS.csv
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@ -0,0 +1 @@
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290,0,0
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1
performanceRR.csv
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1
performanceRR.csv
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@ -0,0 +1 @@
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290,130,0
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11
results.csv
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11
results.csv
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@ -0,0 +1,11 @@
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PID,Arrival Time,Execution Time,Wait Time,Turnaround Time,Remaining Time
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1,0,10,6,14,0
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2,20,40,545,129,0
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3,30,20,123,54,0
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4,60,10,42,33,0
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5,80,30,709,140,0
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6,90,20,295,90,0
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7,100,50,2016,196,0
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8,130,30,739,131,0
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9,180,10,60,46,0
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10,200,60,1694,143,0
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124
simulator.c
124
simulator.c
@ -4,6 +4,7 @@
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#define RR_QUANTUM 2
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#define RR_QUANTUM 2
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#define CNTXT_SWITCH 1
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#define CNTXT_SWITCH 1
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#define MAX_PROCESSES 10
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enum pstate {
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enum pstate {
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WAITING,
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WAITING,
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@ -18,8 +19,9 @@ struct pinfo {
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int priority;
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int priority;
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int wait_time;
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int wait_time;
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int completion_time;
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int turnaround_time;
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int remaining_time;
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int remaining_time;
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int nb_time_pre_empted; // Ajouté pour compter les préemptions
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enum pstate state;
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enum pstate state;
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struct pinfo * next_pinfo;
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struct pinfo * next_pinfo;
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@ -44,7 +46,7 @@ void print_pinfo(struct pinfo * info) {
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printf(" Execution time: %d\n", info->execution_time);
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printf(" Execution time: %d\n", info->execution_time);
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printf(" Priority: %d\n", info->priority);
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printf(" Priority: %d\n", info->priority);
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printf(" Wait time: %d\n", info->wait_time);
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printf(" Wait time: %d\n", info->wait_time);
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printf(" Completion time: %d\n", info->completion_time);
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printf(" Turnaround time: %d\n", info->turnaround_time);
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printf(" Remaining time: %d\n", info->remaining_time);
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printf(" Remaining time: %d\n", info->remaining_time);
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printf(" NEXT -> %p\n", info->next_pinfo);
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printf(" NEXT -> %p\n", info->next_pinfo);
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printf("}>\n");
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printf("}>\n");
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@ -64,13 +66,15 @@ struct pinfo * create_process(int id, int arrival_time, int execution_time, int
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info->execution_time = execution_time;
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info->execution_time = execution_time;
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info->priority = priority;
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info->priority = priority;
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info->wait_time = 0;
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info->wait_time = 0;
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info->completion_time = 0;
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info->turnaround_time = 0;
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info->remaining_time = execution_time;
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info->remaining_time = execution_time;
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info->nb_time_pre_empted = 0; // Initialiser le nombre de préemptions
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info->state = WAITING;
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info->state = WAITING;
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info->next_pinfo = NULL;
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info->next_pinfo = NULL;
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return info;
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return info;
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}
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}
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// Méthode de planification FCFS
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struct perf_info schedule_FCFS(struct pinfo * processes) {
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struct perf_info schedule_FCFS(struct pinfo * processes) {
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int current_time = 0;
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int current_time = 0;
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struct pinfo * process = processes;
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struct pinfo * process = processes;
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@ -83,8 +87,8 @@ struct perf_info schedule_FCFS(struct pinfo * processes) {
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wait_time = 0;
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wait_time = 0;
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}
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}
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process->wait_time = wait_time;
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process->wait_time = wait_time;
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process->completion_time = process->execution_time + process->wait_time;
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process->turnaround_time = process->execution_time + process->wait_time;
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current_time = process->arrival_time + process->completion_time;
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current_time = process->arrival_time + process->turnaround_time;
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process = process->next_pinfo;
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process = process->next_pinfo;
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}
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}
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@ -93,6 +97,97 @@ struct perf_info schedule_FCFS(struct pinfo * processes) {
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return perf;
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return perf;
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}
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}
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struct perf_info schedule_RR(struct pinfo *processes) { // Déclaration de la fonction schedule_RR qui prend un pointeur vers une liste de processus
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struct perf_info perf = {0, 0, 0}; // Initialisation de la structure de performance avec des valeurs à zéro
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int current_time = 0; // Variable pour suivre le temps actuel
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int finished_processes = 0; // Compteur pour le nombre de processus terminés
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while (finished_processes < MAX_PROCESSES) { // Boucle principale jusqu'à ce que tous les processus soient terminés
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int process_found = 0; // Indicateur pour savoir si un processus prêt a été trouvé
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struct pinfo *current_process = processes; // Pointeur pour parcourir la liste des processus
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while (current_process != NULL) { // Boucle pour parcourir tous les processus
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// Vérifiez si le processus est prêt à s'exécuter
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if (current_process->state != FINISHED && current_process->arrival_time <= current_time) { // Vérifie si le processus n'est pas fini et est arrivé
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process_found = 1; // Un processus prêt à s'exécuter a été trouvé
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int time_slice = (current_process->remaining_time < RR_QUANTUM) ? current_process->remaining_time : RR_QUANTUM; // Calcule la tranche de temps à exécuter
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// Simuler l'exécution
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current_time += time_slice; // Incrémente le temps actuel par la tranche de temps
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current_process->remaining_time -= time_slice; // Diminue le temps restant du processus
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// Calculer les temps d'attente pour les autres processus
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struct pinfo *other_process = processes; // Pointeur pour parcourir à nouveau la liste des processus
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while (other_process != NULL) { // Boucle pour parcourir tous les autres processus
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if (other_process->state != FINISHED && other_process != current_process && other_process->arrival_time <= current_time) { // Vérifie si l'autre processus est prêt
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other_process->wait_time += time_slice; // Augmente le temps d'attente des autres processus
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}
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other_process = other_process->next_pinfo; // Passe au processus suivant
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}
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// Gérer les statistiques de préemption
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if (current_process->remaining_time == 0) { // Vérifie si le processus est terminé
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current_process->state = FINISHED; // Met à jour l'état du processus à fini
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finished_processes++; // Incrémente le compteur de processus terminés
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current_process->turnaround_time = current_time - current_process->arrival_time; // Calcule le temps de turnaround
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} else {
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// Incrémenter le nombre de préemptions
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current_process->nb_time_pre_empted++; // Incrémente le compteur de préemptions pour le processus actuel
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perf.total_nr_ctxt_switch++; // Incrémente le nombre total de commutations de contexte
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}
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// Débogage : Afficher les informations du processus
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printf("Processus %d: remaining_time=%d, nb_time_pre_empted=%d\n", // Affiche les informations de débogage pour le processus actuel
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current_process->id, current_process->remaining_time, current_process->nb_time_pre_empted);
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}
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current_process = current_process->next_pinfo; // Passe au processus suivant dans la liste
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}
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if (!process_found) { // Vérifie si aucun processus prêt n'a été trouvé
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// Aucun processus prêt, avancer le temps
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current_time++; // Incrémente le temps actuel si aucun processus n'est prêt
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}
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}
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perf.total_time = current_time; // Enregistre le temps total écoulé dans la structure de performance
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return perf; // Renvoie la structure de performance
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}
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void write_file(struct pinfo * process, struct perf_info * perf) {
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FILE *myStream_execution = fopen("executionRR.csv", "w");
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FILE *myStream_performance = fopen("performanceRR.csv", "w");
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if (myStream_execution == NULL || myStream_performance == NULL) {
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perror("Erreur à l'ouverture des fichiers");
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return;
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}
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while (process != NULL) {
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fprintf(myStream_execution, "%d,%d,%d,%d\n",
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process->id,
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process->turnaround_time,
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process->wait_time,
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process->nb_time_pre_empted);
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process = process->next_pinfo;
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}
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fclose(myStream_execution);
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fprintf(myStream_performance, "%d,%d,%d\n",
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perf->total_time,
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perf->total_nr_ctxt_switch,
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perf->total_time_ctxt_switch);
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fclose(myStream_performance);
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}
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struct pinfo * read_file() {
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struct pinfo * read_file() {
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FILE * file = fopen("tasks.csv", "r");
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FILE * file = fopen("tasks.csv", "r");
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@ -120,12 +215,12 @@ struct pinfo * read_file() {
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atoi(prio_str)
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atoi(prio_str)
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);
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);
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// If linked list not initialized
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// Si la liste n'est pas initialisée
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if (first == NULL) {
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if (first == NULL) {
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first = process;
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first = process;
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}
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}
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// If there is an element in list
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// Si un élément est déjà dans la liste
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if (last != NULL) {
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if (last != NULL) {
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last->next_pinfo = process;
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last->next_pinfo = process;
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}
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}
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@ -138,10 +233,6 @@ struct pinfo * read_file() {
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return first;
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return first;
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}
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}
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void write_file(struct pinfo * process, struct perf_info * perf) {
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// TODO
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}
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void free_processes(struct pinfo * next) {
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void free_processes(struct pinfo * next) {
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struct pinfo * cur;
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struct pinfo * cur;
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while (next != NULL) {
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while (next != NULL) {
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@ -151,16 +242,17 @@ void free_processes(struct pinfo * next) {
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}
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}
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}
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}
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int main() {
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int main() {
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struct pinfo * processes = read_file();
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struct pinfo * processes = read_file();
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struct perf_info perf = schedule_FCFS(processes);
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//struct perf_info perf = schedule_FCFS(processes); // Remise en place de FCFS
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struct perf_info perf = schedule_RR(processes);
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//write_file(processes, &perf);
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write_file(processes, &perf);
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print_processes(processes);
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print_perf(&perf);
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free_processes(processes);
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free_processes(processes);
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return 0;
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return 0;
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}
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}
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BIN
tempCodeRunnerFile
Executable file
BIN
tempCodeRunnerFile
Executable file
Binary file not shown.
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Block a user