lisa/trace: Bail out if trace file does not exist
Created by: bea-arm
Drop initializing Trace object if specified trace file does not exist. There is not much point in proceeding if the trace itself cannot be located.
GitLab Maintenance scheduled for Thursday, 18th December 2025, from 7:00 AM to 10:00 AM BST. GitLab will be in read-only mode and experience short periods of complete downtime (up to 20 minutes) during this window.
Created by: bea-arm
Drop initializing Trace object if specified trace file does not exist. There is not much point in proceeding if the trace itself cannot be located.