* turn on profiling
* repeat action that needs more insight as to why its slow
* turn off profiling
* profile report has >90% time in (program), and remaining numbers are too small to judge "expensive" accurate
* select (program) and click the X icon for "exclude selected function"
* (program) is removed but totals remain the same.
totals updated to be the new time share of non-excluded functions
This behavior is consistent in both Chrome and Safari.
related: Bug 88446 - Web Inspector: [Chromium] profiler - differentiate between native code (program) and idle time
Closing as invalid, as this bug pertains to the old inspector UI and/or its tests.
Please file a new bug (https://www.webkit.org/new-inspector-bug) if the bug/feature/issue is still relevant to WebKit trunk.