Crashes inside query flamegraph when selecting slices / areas #3836
Description
I've been seeing a lot of random crashes in the flamegraph code, triggered when selecting slices / small areas. It hasn't been consistent, but pretty frequent, probably there is a race condition somewhere.
Failed assertion
- (Error: Failed assertion)
- assertTrue (src/base/logging.ts:62:4)
- assertFalse (src/base/logging.ts:67:2)
- SharedAsyncDisposable.clone (src/base/shared_disposable.ts:112:4)
- Object.work (src/components/query_flamegraph.ts:235:8)
- AsyncLimiter.runTaskQueue (src/base/async_limiter.ts:65:10)
- AsyncLimiter.schedule (src/base/async_limiter.ts:51:6)
- QueryFlamegraph.fetchData (src/components/query_flamegraph.ts:226:4)
- QueryFlamegraph.render (src/components/query_flamegraph.ts:203:8)
- Object.render (src/plugins/dev.perfetto.TraceProcessorTrack/index.ts:561:10)
- (src/frontend/timeline_page/current_selection_tab.ts:112:7)
Trace: not available (FILE). Provide repro steps.
UA: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/142.0.0.0 Safari/537.36
Referrer: https://github.com/google/perfetto/pull/3831