During *performance* profiling, dev tools suddenly stops capturing screenshots (Filmstrip)

[Elia Camposilvan]

I'm encountering this issue where, after using the performance profiling tool, the trace obtained contains the captured screenshots for only ~10 seconds (the trace is 70s long), leaving the rest without any associated screenshot.

Maybe there's a limit to the amount of screenshots taken by the filmstrip tool, since screenshots should be taken on each different frame rendered.
Can you help me figure this out?

The image attached contains the incomplete filmstrip generated.

[Alexei Filippov]

There's a hard limit of 450 on the number of screenshot captured. You're probably hitting the limit.

https://cs.chromium.org/chromium/src/content/browser/devtools/devtools_frame_trace_recorder.h?type=cs&q=screen.*450;&sq=package:chromium&g=0&l=25

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