No Garbage Collection For Hours

[PhistucK]

Sorry for the cross post, I wanted your opinion before I file an issue, because I am not sure where to file it.

I installed Outlook.com notifier and recently, I found out it was using a lot of memory. 

Looking into it, it uses YUI to fetch mail.live.com, YUI adds the content to a DocumentFragment, the script looks for an element, gets its content and that is it, every half a minute or so.

Using the Developer Tools feature, I used the Profiler panel, took a heap snapshot, switched to the Containment view and saw that GC roots>Global handles uses over 300 MBs. It basically contains the string content fetched from mail.live.com ever since Chrome was started.

I then went to the TImeline panel and clicked on the trash can button ("Collect garbage"), took another heap snapshot and it went back to about 1 MB.

I think I noticed that when the available memory is low, it does collect the garbage quickly, but it happened when I artificially created 1000 large DocumentFragments, added them to an array and deleted the array.

Should I file a V8 issue, or a Chromium issue?

I figure it is a V8 issue, but I want to make sure, since it does involve extensions (a background page) and DOM operations.

☆PhistucK

[Jochen Eisinger]

it would be interesting to have the output of the extension process when running chromium with --js-flags="--trace-gc --trace-gc-nvp"

Please file a bug with this information on crbug.com/new

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[PhistucK]

Sure, but how do I get the output of the extension process? By enabling logging?

☆PhistucK

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[Jochen Eisinger]

depends a bit on the OS you run chromium on?

[PhistucK]

Windows 7.

☆PhistucK

[Jochen Eisinger]

tbh, the only way to capture the output on that platform I know of is running chrome in visual studio... I'll ask around to see whether there's a better solution