Merge branch 'bugfix/console_example_stack_overflow' into 'master'

Increase event task stack size to fix console example stack overflow

See merge request idf/esp-idf!1879

components/esp32/Kconfig

@@ -281,7 +281,7 @@ config SYSTEM_EVENT_QUEUE_SIZE
 
 config SYSTEM_EVENT_TASK_STACK_SIZE
     int "Event loop task stack size"
-    default 2048
+    default 2304
     help
         Config system event task stack size in different application.
 

components/tcpip_adapter/include/tcpip_adapter.h

@@ -184,10 +184,10 @@ typedef struct tcpip_adapter_dns_param_s {
     msg.data     = (void*)(_data);\
     msg.api_fn   = (_fn);\
     if (TCPIP_ADAPTER_IPC_REMOTE == tcpip_adapter_ipc_check(&msg)) {\
-        ESP_LOGD(TAG, "check: remote, if=%d fn=%p\n", (_if), (_fn));\
+        ESP_LOGV(TAG, "check: remote, if=%d fn=%p\n", (_if), (_fn));\
         return msg.ret;\
     } else {\
-        ESP_LOGD(TAG, "check: local, if=%d fn=%p\n", (_if), (_fn));\
+        ESP_LOGV(TAG, "check: local, if=%d fn=%p\n", (_if), (_fn));\
     }\
 }while(0)
 

components/tcpip_adapter/tcpip_adapter_lwip.c

@@ -67,7 +67,7 @@ static sys_sem_t api_sync_sem = NULL;
 static bool tcpip_inited = false;
 static sys_sem_t api_lock_sem = NULL;
 extern sys_thread_t g_lwip_task;
-#define TAG "tcpip_adapter"
+static const char* TAG = "tcpip_adapter";
 
 static void tcpip_adapter_api_cb(void* api_msg)
 {
@@ -79,7 +79,7 @@ static void tcpip_adapter_api_cb(void* api_msg)
     }
 
     msg->ret = msg->api_fn(msg);
-    ESP_LOGD(TAG, "call api in lwip: ret=0x%x, give sem", msg->ret);
+    ESP_LOGV(TAG, "call api in lwip: ret=0x%x, give sem", msg->ret);
     sys_sem_signal(&api_sync_sem);
 
     return;

examples/system/console/main/cmd_system.c

@@ -20,11 +20,19 @@
 #include "freertos/FreeRTOS.h"
 #include "freertos/task.h"
 #include "soc/rtc_cntl_reg.h"
+#include "sdkconfig.h"
+
+#ifdef CONFIG_FREERTOS_USE_STATS_FORMATTING_FUNCTIONS
+#define WITH_TASKS_INFO 1
+#endif
 
 static void register_free();
 static void register_restart();
 static void register_deep_sleep();
 static void register_make();
+#if WITH_TASKS_INFO
+static void register_tasks();
+#endif
 
 void register_system()
 {
@@ -32,6 +40,9 @@ void register_system()
     register_restart();
     register_deep_sleep();
     register_make();
+#if WITH_TASKS_INFO
+    register_tasks();
+#endif
 }
 
 /** 'restart' command restarts the program */
@@ -72,6 +83,36 @@ static void register_free()
     ESP_ERROR_CHECK( esp_console_cmd_register(&cmd) );
 }
 
+/** 'tasks' command prints the list of tasks and related information */
+#if WITH_TASKS_INFO
+
+static int tasks_info(int argc, char** argv)
+{
+    const size_t bytes_per_task = 40; /* see vTaskList description */
+    char* task_list_buffer = malloc(uxTaskGetNumberOfTasks() * bytes_per_task);
+    if (task_list_buffer == NULL) {
+        ESP_LOGE(__func__, "failed to allocate buffer for vTaskList output");
+        return 1;
+    }
+    vTaskList(task_list_buffer);
+    fputs(task_list_buffer, stdout);
+    free(task_list_buffer);
+    return 0;
+}
+
+static void register_tasks()
+{
+    const esp_console_cmd_t cmd = {
+        .command = "tasks",
+        .help = "Get information about running tasks",
+        .hint = NULL,
+        .func = &tasks_info,
+    };
+    ESP_ERROR_CHECK( esp_console_cmd_register(&cmd) );
+}
+
+#endif // WITH_TASKS_INFO
+
 /** 'deep_sleep' command puts the chip into deep sleep mode */
 
 static struct {

examples/system/console/sdkconfig.defaults

@@ -3,7 +3,7 @@ CONFIG_LOG_BOOTLOADER_LEVEL_WARN=y
 CONFIG_LOG_BOOTLOADER_LEVEL=2
 
 # Increase main task stack size
-CONFIG_MAIN_TASK_STACK_SIZE=6144
+CONFIG_MAIN_TASK_STACK_SIZE=7168
 
 # Enable filesystem
 CONFIG_PARTITION_TABLE_CUSTOM=y
@@ -11,3 +11,7 @@ CONFIG_PARTITION_TABLE_CUSTOM_FILENAME="partitions_example.csv"
 CONFIG_PARTITION_TABLE_CUSTOM_APP_BIN_OFFSET=0x10000
 CONFIG_PARTITION_TABLE_FILENAME="partitions_example.csv"
 CONFIG_APP_OFFSET=0x10000
+
+# Enable FreeRTOS stats formatting functions, needed for 'tasks' command
+CONFIG_FREERTOS_USE_TRACE_FACILITY=y
+CONFIG_FREERTOS_USE_STATS_FORMATTING_FUNCTIONS=y