
Why: This helps to see if there are long-running worklets, which can impact performance or be exploited for side-channel attacks. If the result reveals such instances, we will further add UKM to investigate the specific use cases. Given that the existing 'UsefulResourceDuration' represents a percentage, we add 'AbsoluteUsefulResourceDuration' for a distinction. Bug: 398173023 Change-Id: I8b69362158a35b0861033f8f58a0aa335edb4241 Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/6287655 Reviewed-by: Ayu Ishii <ayui@chromium.org> Commit-Queue: Yao Xiao <yaoxia@chromium.org> Cr-Commit-Position: refs/heads/main@{#1423455}
Tools used during the build or running tests or sometimes just things that people have found useful while working on Chromium.