Prerequisites:

1. Install Apex Log Analyzer.

https://marketplace.visualstudio.com/items?itemName=financialforce.lana

2. The file extension should be .log.

1. Drag and Drop the downloaded Debug Log into tools –> debug –> logs.

2. Right Click on the Uploaded Debug Log and use Log: Show Apex Log Analysis.

Note: If the folders are not present, create the folders in this hierarchical order .sfdx–> tools –> debug –> logs.