Potential memory leak with DocumentStyleSheetCollection::UpdateActiveStyleSheets (GMAIL) |
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Issue descriptionWe ran a web browser for a week with memory-infra running (--enable-heap-profiling) and collect some memory dumps. We are using a script to diff the memory allocations based on their stackframe. We are seeing an increase of remaining objects in the renderer when calling "blink::Document::UpdateActiveStyle". Some stackframes are attached to this bug.
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Aug 2 2017
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Aug 21 2017
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Aug 21 2017
I don't understand what the claimed leak is and how you measure. The stack traces are all oilpan heap allocations. Do you see an increasing amount of objects from the attached call sites for each UpdateActiveStyleSheets after garbage collecting the oilpan heap? > We are seeing an increase of remaining objects in the renderer when calling > "blink::Document::UpdateActiveStyle". Yes, UpdateActiveStyle does trigger memory allocation for style rule meta data. Can you elaborate on what's unexpected? What do you mean by "remaining objects"?
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Aug 21 2017
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Aug 25 2017
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Aug 28 2017
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Dec 6 2017
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Comment 1 by etienneb@chromium.org
, Jun 13 2017