From 4d3b17540d9163b2d74aa6ac1a03c97553bae18d Mon Sep 17 00:00:00 2001
From: Samuel <samuel.kay@poivron-robotique.fr>
Date: Thu, 18 Jul 2024 21:31:23 +0200
Subject: [PATCH] Mesure de performance de l'envoi UDP

---
 picow_udp_beacon.c | 48 ++++++++++++++++++++++++++++++++++++----------
 1 file changed, 38 insertions(+), 10 deletions(-)

diff --git a/picow_udp_beacon.c b/picow_udp_beacon.c
index 8f6a566..061c40c 100644
--- a/picow_udp_beacon.c
+++ b/picow_udp_beacon.c
@@ -25,7 +25,12 @@
 struct udp_pcb* pcb;
 ip_addr_t addr;
 
-int teleplot_counter = 0;
+int teleplot_compteur_envoie = 0;
+int teleplot_compteur_cache = 0;
+int time_snprintf = 0;
+int time_strlen = 0;
+int time_strcat = 0;
+int time_udp = 0;
 
 char teleplot_tampon[BEACON_MSG_LEN_MAX]="";
 
@@ -34,27 +39,39 @@ void teleplot_udp_send_string(char * message);
 void Teleplot_ajout_ou_envoie_tampon(char * message){
     // Si le tampon ne peut pas accueillir le prochain message
     // On envoie et on vide le tampon
+    int time = time_us_32();
     if(strlen(message) + strlen(teleplot_tampon) > BEACON_MSG_LEN_MAX){
+        int m_time = time_us_32();
         teleplot_udp_send_string(teleplot_tampon);
-        teleplot_tampon[0]='\0'; // On "vide" le tampon
-        teleplot_counter++;
-    }
+        time_udp = time_us_32() - m_time;
 
+        teleplot_tampon[0]='\0'; // On "vide" le tampon
+        teleplot_compteur_envoie++;
+    }else{
+        time_strlen += time_us_32() - time;
+    }
     // On ajoute le message au tampon
+    time = time_us_32();
     strcat(teleplot_tampon, message);
+    time_strcat += time_us_32() - time;
+    teleplot_compteur_cache++;
     
 }
 
 void Teleplot_add_variable_float_2decimal(char * nom_variable, float valeur){
     char tampon[100];
+    int time = time_us_32();
     sprintf(tampon, "%s:%lu:%.2f\n", nom_variable, (long)time_us_64()/1000, valeur);
-    teleplot_udp_send_string(tampon);
+    time_snprintf += time_us_32() - time;
+    Teleplot_ajout_ou_envoie_tampon(tampon);
 }
 
 void Teleplot_add_variable_int(char * nom_variable, int valeur){
     char tampon[100];
+    int time = time_us_32();
     sprintf(tampon, "%s:%lu:%d\n", nom_variable, (long)time_us_64()/1000, valeur);
-    teleplot_udp_send_string(tampon);
+    time_snprintf += time_us_32() - time;
+    Teleplot_ajout_ou_envoie_tampon(tampon);
 }
 
 void teleplot_udp_send_string(char * message){
@@ -97,7 +114,7 @@ void run_udp_beacon() {
     uint32_t old_time = time_us_32();
     uint32_t time, driver_time;
     uint32_t delta_time = 0, delta_driver = 0, teleplot_time=0, delta_teleplot=0;
-    int teleplot_counter_old = teleplot_counter;
+    int teleplot_counter_old = teleplot_compteur_envoie;
     
     while (true) {
         char tampon[100];
@@ -114,10 +131,21 @@ void run_udp_beacon() {
         teleplot_time = time_us_32();
         Teleplot_add_variable_float_2decimal("cos", cosf(counter/10.));
         Teleplot_add_variable_float_2decimal("sin", sinf(counter/10.));
-        if(teleplot_counter_old != teleplot_counter){
-            Teleplot_add_variable_int("m_time", delta_teleplot / teleplot_counter);
+        if(teleplot_counter_old != teleplot_compteur_envoie){
+            Teleplot_add_variable_int("t_time", delta_teleplot);
+            Teleplot_add_variable_int("m_time", delta_teleplot / (teleplot_compteur_cache));
+            Teleplot_add_variable_int("snprintf_time", time_snprintf / (teleplot_compteur_cache));
+            Teleplot_add_variable_int("strlen_time", time_strlen / (teleplot_compteur_cache));
+            Teleplot_add_variable_int("strcat_time", time_strcat / (teleplot_compteur_cache));
+            Teleplot_add_variable_int("time_udp", time_udp / (teleplot_compteur_cache));
+            Teleplot_add_variable_float_2decimal("nb_cache", teleplot_compteur_cache);
             delta_teleplot = 0;
-            teleplot_counter_old = teleplot_counter;
+            time_snprintf= 0;
+            time_strlen = 0;
+            time_strcat = 0;
+            time_udp = 0;
+            teleplot_compteur_cache = 0;
+            teleplot_counter_old = teleplot_compteur_envoie;
         }
         delta_teleplot += time_us_32() - teleplot_time;