784990 - heap-unclassified close to 50%

Status: RESOLVED DUPLICATE of bug 784989

(Firefox :: Untriaged, defect)

Description

[julian.force]

User Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:15.0) Gecko/20100101 Firefox/15.0
Build ID: 20120814224555

Steps to reproduce:

Using firefox 15 without a restart for 3 work days (hibernating PC overnight).
Mail, twitter, msdn, ...


Actual results:

1,143.28 MB (100.0%) -- explicit
├────527.28 MB (46.12%) ── heap-unclassified
├────442.52 MB (38.71%) -- js
│    ├──328.34 MB (28.72%) ++ (927 tiny)
│    ├───30.14 MB (02.64%) ── gc-heap-decommitted
│    ├───19.00 MB (01.66%) ++ compartment(https://twitter.com/)
│    ├───18.83 MB (01.65%) -- compartment(atoms)
│    │   ├──13.17 MB (01.15%) ── string-chars
│    │   └───5.66 MB (00.50%) ++ (2 tiny)
│    ├───16.82 MB (01.47%) ++ compartment(https://mail.google.com/mail/u/0/)
│    ├───15.77 MB (01.38%) ++ compartment(https://www.google.com/reader/view/)
│    └───13.62 MB (01.19%) ++ compartment(https://mail.google.com/mail/u/1/)
├─────61.91 MB (05.41%) -- window-objects
│     ├──48.74 MB (04.26%) ++ (17 tiny)
│     └──13.17 MB (01.15%) ++ top(https://mail.google.com/mail/u/0/?ui=2&shva=1#inbox, id=12)/active
├─────45.78 MB (04.00%) -- images
│     ├──45.08 MB (03.94%) -- content
│     │  ├──43.63 MB (03.82%) -- used
│     │  │  ├──31.69 MB (02.77%) ── raw
│     │  │  └──11.95 MB (01.04%) ++ (2 tiny)
│     │  └───1.45 MB (00.13%) ++ unused
│     └───0.70 MB (00.06%) ++ chrome
├─────22.95 MB (02.01%) -- storage
│     ├──21.40 MB (01.87%) ++ sqlite
│     └───1.56 MB (00.14%) ── prefixset/all
├─────17.32 MB (01.51%) ── network-memory-cache
├─────15.66 MB (01.37%) -- gfx
│     ├──14.46 MB (01.26%) ── font-shaped-words
│     └───1.20 MB (00.10%) ++ (3 tiny)
└──────9.86 MB (00.86%) ++ (7 tiny)


Expected results:

Before firefox 15, heap-unclassified stayed below 25% with the same habits