Lock Profiler Window

Overview

In the screenshot above, the top row compares lock wait statistics by current file and previous owner, while the bottom panel shows a histogram of wait-time bins for the selected lock pair.

Layout

Log files: list of raisin_lock_profiler logs.
Current File View: aggregated wait times grouped by the current lock location.
Previous Owner View: aggregated wait times grouped by the previous holder of the lock.
Histogram: wait-time distribution for the selected lock pair.

Controls and Indicators

Selecting a log file parses the entries and populates the aggregates.
Selecting a row updates the histogram for that lock pair.
Bin Count slider changes histogram resolution.

Data Sources

Reads lock profiler logs from raisin_lock_profiler on disk.

Notes

Use the Current vs Previous views to distinguish where waits occur vs where locks are held too long.