question about average block time metric reporting value

Products

• APM

Issue/Introduction

We have question about average block time metric reporting value.

Why is average block time report is blank? Is this expected?

 

Environment

Release : 20.2

Component : APM Agent

Resolution

From the print screen, it seems like average block time metric value is being reported, but it is 0.

average block time metric
Approximate elapsed time (in milliseconds) that a thread was in the BLOCKED state if it supports monitoring thread conflicts.