console example: add 'tasks' command to print vTaskList output

This command prints list of tasks, their state, and stack
watermark values.
Fixes https://github.com/espressif/esp-idf/issues/1534
This commit is contained in:
Ivan Grokhotkov 2018-01-31 14:04:40 +08:00
parent b3be1b5190
commit 57a516389c
2 changed files with 45 additions and 0 deletions

View file

@ -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 {

View file

@ -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