Given the following code snippet, what will be the output stored in buffer after calling vTaskList(buffer); if there are two tasks named "TaskA" and "TaskB" running?

medium📝 Predict Output Q13 of 15

FreeRTOS - Debugging and Monitoring

Given the following code snippet, what will be the output stored in buffer after calling vTaskList(buffer); if there are two tasks named "TaskA" and "TaskB" running?

char buffer[512];
vTaskList(buffer);
printf("%s", buffer);

AA formatted table listing TaskA and TaskB with their states, priorities, and stack usage

BOnly the names of TaskA and TaskB separated by commas

CAn empty string because buffer is not initialized

DA runtime error due to buffer overflow

Step-by-Step Solution

Solution:

Step 1: Understand what vTaskList() writes
The function writes a formatted string showing all tasks with details like name, state, priority, stack usage, and task number.
Step 2: Analyze the buffer content after call
Since buffer is large enough (512 bytes), it will contain a readable table listing TaskA and TaskB with their statuses.
Final Answer:
A formatted table listing TaskA and TaskB with their states, priorities, and stack usage -> Option A
Quick Check:
vTaskList() output = formatted task table [OK]

Quick Trick: vTaskList() outputs full task info table, not just names [OK]

Common Mistakes:

Expecting only task names without details
Assuming buffer needs initialization before call
Thinking it causes runtime error if buffer is large enough

Master "Debugging and Monitoring" in FreeRTOS

9 interactive learning modes - each teaches the same concept differently

Learn Why Deep Visual Try Challenge Project Recall Time

Want More Practice?

15+ quiz questions · All difficulty levels · Free

Free Signup - Practice All Questions

More FreeRTOS Quizzes

Given the following code snippet, what will be the output stored in buffer after calling vTaskList(buffer); if there are two tasks named "TaskA" and "TaskB" running?

Step 1: Understand what vTaskList() writes

Step 2: Analyze the buffer content after call

Final Answer:

Quick Check:

Want More Practice?