lisa.trace: use category for func col of print/bprint/bputs df
Save some memory and speed-up selection based on function for the print/bprint/bputs dataframes.
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.
Save some memory and speed-up selection based on function for the print/bprint/bputs dataframes.