ESP32 Forum

I thought that I had seen references to a couple of functions but having trouble finding them again (or maybe it was my imagination).

- Is there a function that I can call in code to determine what tasks are currently running, or at least if a specific (named) task is running

- Is there a function that I can monitor in code to track a specific task's memory consumption

vTaskList

This function need the following two options enabled:
CONFIG_FREERTOS_USE_TRACE_FACILITY
CONFIG_FREERTOS_USE_STATS_FORMATTING_FUNCTIONS

I'm assuming that turning on the trace will impact size (and maybe performance)? Are there any non-debugging facilities available to get this info as part of 'normal' code operations?

If we take a look at the FreeRTOS underlying API called "vTaskList" ... see:

https://www.freertos.org/a00021.html#vTaskList

we see that FreeRTOS itself requires trace enabled.

Hi,

I tried vTaskList. It does not shows cpu usage in percentage.


printf( "Task Name\tStatus\tPrio\tHWM\tTask\tAffinity\n");
char stats_buffer[1024];
vTaskList(stats_buffer);
printf("%s\n", stats_buffer);

Thanks,
Naeem

snahmad75 wrote: ↑

Wed Dec 05, 2018 7:56 pm

Hi,

I tried vTaskList. It does not shows cpu usage in percentage.


printf( "Task Name\tStatus\tPrio\tHWM\tTask\tAffinity\n");
char stats_buffer[1024];
vTaskList(stats_buffer);
printf("%s\n", stats_buffer);

Thanks,
Naeem

https://www.freertos.org/rtos-run-time-stats.html

Hi,

I did use vTaskGetRunTimeStats() but was not pretty output.

Give me example to show CPU usage per thread with columns and tabular form.


Thanks,
Naeem

Hi,

Kindly help please with nice pretty output of CPU stats.

I need to know CPU IDLE for both cpu0 and cpu1

Thanks,
Naeem

Hi

Can someone check my code for deep sleep. I am unable to get it below 9mA. Please help

#define uS_TO_S_FACTOR 1000000 /* Conversion factor for micro seconds to seconds */
#define TIME_TO_SLEEP 3 /* Time ESP32 will go to sleep (in seconds) */

RTC_DATA_ATTR int bootCount = 0;

int GREEN_LED_PIN = 25;
int YELLOW_LED_PIN = 26;

void setup(){

pinMode(GREEN_LED_PIN,OUTPUT);
pinMode(YELLOW_LED_PIN,OUTPUT);
delay(500);

if(bootCount == 0) //Run this only the first time
{
digitalWrite(YELLOW_LED_PIN,HIGH);
bootCount = bootCount+1;
}else
{
digitalWrite(GREEN_LED_PIN,HIGH);
}

delay(3000);

digitalWrite(GREEN_LED_PIN,LOW);
digitalWrite(YELLOW_LED_PIN,LOW);

esp_sleep_enable_timer_wakeup(TIME_TO_SLEEP * uS_TO_S_FACTOR);
esp_deep_sleep_start();
}

void loop(){

}