read and serial print runtime stats

- using a freeRTOS function `vTaskGetRunTimeStats()`

shepherd/shepherd_sniff.c

@@ -4,11 +4,11 @@
 #include "esp_flash.h"
 #include "esp_flash_encrypt.h"
 #include "esp_freertos_hooks.h"
+#include "esp_wifi.h"
 #include "freertos/FreeRTOS.h"
 #include "freertos/task.h"
 #include "sdkconfig.h"
 #include <inttypes.h>
-#include "esp_wifi.h"
 
 // Shepehrd task to print metrics
 static void shepherd_task(void *args) {
@@ -39,12 +39,19 @@ static void shepherd_task(void *args) {
              mode == ESP_FLASH_ENC_MODE_DEVELOPMENT ? "DEVELOPMENT"
                                                     : "RELEASE");
     }
-    // wifi connection status 
+    // wifi connection status
     wifi_mode_t wifi_mode;
-    if(esp_wifi_get_mode(&wifi_mode) == ESP_ERR_WIFI_NOT_INIT){
-	    printf("WiFI Status : disabled \n");
-    } else 
-	    printf("WiFi Status : Enabled");
+    if (esp_wifi_get_mode(&wifi_mode) == ESP_ERR_WIFI_NOT_INIT) {
+      printf("WiFI Status : disabled \n");
+    } else
+      printf("WiFi Status : Enabled \n");
+    // Runtime Stats
+    /*
+    char pbuf[100];
+    vTaskGetRunTimeStats(pbuf);
+    printf("Run Time stats \n%s/r/n", pbuf);
+    */
+    printf("-----------------------------------------\n");
     vTaskDelay(15000 / portTICK_PERIOD_MS);
   }
   vTaskDelete(NULL);
@@ -52,6 +59,6 @@ static void shepherd_task(void *args) {
 
 esp_err_t shepherd_sniff() {
   // TODO calculate optimal stack size
-  xTaskCreate(shepherd_task, "shepherd_task", 2048, NULL, 1, NULL);
+  xTaskCreate(shepherd_task, "shepherd_task", 2048, NULL, 4, NULL);
   return ESP_OK;
 }

src/main.cpp

@@ -41,9 +41,23 @@ void blinky(void *pvParameter) {
   }
 }
 
+void run_time_stats(void *pvParameter) {
+
+  while (1) {
+    // Runtime Stats
+    printf("--------Run time stats ---------------\n");
+    char pbuf[100];
+    vTaskGetRunTimeStats(pbuf);
+    printf("%s\r\n", pbuf);
+    printf("---------------------------------------\n");
+    vTaskDelay(15000 / portTICK_PERIOD_MS);
+  }
+}
+
 extern "C" {
 void app_main() {
   shepherd_sniff();
-  xTaskCreate(&blinky, "blinky", 4098, NULL, 5, NULL);
+  xTaskCreate(&blinky, "blinky", 4098, NULL, 1, NULL);
+  xTaskCreate(&run_time_stats, "run_time_stats", 2096, NULL, 2, NULL);
 }
 }