I'm currently running the latest unstable (32-bit version), Windows 10 v1511, it happens in a clean profile and in my default profile.
Listed also in about:memory as Web Content:
Main Process
Explicit Allocations
214.21 MB (100.0%) -- explicit
├───85.17 MB (39.76%) -- window-objects
│ ├──36.30 MB (16.94%) -- top(<anonymized-63>, id=63)
│ │ ├──29.69 MB (13.86%) -- active
│ │ │ ├──29.69 MB (13.86%) -- window(<anonymized-66>)
│ │ │ │ ├──19.94 MB (09.31%) -- dom
│ │ │ │ │ ├──19.92 MB (09.30%) ── orphan-nodes
│ │ │ │ │ └───0.02 MB (00.01%) ++ (5 tiny)
│ │ │ │ ├───7.39 MB (03.45%) -- layout
│ │ │ │ │ ├──6.49 MB (03.03%) -- frames
│ │ │ │ │ │ ├──4.37 MB (02.04%) ── nsInlineFrame
│ │ │ │ │ │ └──2.12 MB (00.99%) ++ (2 tiny)
│ │ │ │ │ └──0.90 MB (00.42%) ++ (8 tiny)
│ │ │ │ ├───2.34 MB (01.09%) ++ js-compartment([System Principal], about:memory)
│ │ │ │ └───0.01 MB (00.01%) ++ (2 tiny)
│ │ │ └───0.00 MB (00.00%) ── window(<anonymized-63>)/dom/other
│ │ └───6.61 MB (03.09%) -- js-zone(0x14f44000)
│ │ ├──5.38 MB (02.51%) -- strings
│ │ │ ├──3.01 MB (01.40%) -- gc-heap
│ │ │ │ ├──2.82 MB (01.31%) ── latin1
│ │ │ │ └──0.19 MB (00.09%) ── two-byte
│ │ │ └──2.38 MB (01.11%) ++ malloc-heap
│ │ └──1.22 MB (00.57%) ++ (9 tiny)
│ ├──20.01 MB (09.34%) -- top(<anonymized-89>, id=89)
│ │ ├──10.38 MB (04.85%) -- cached
│ │ │ ├───2.99 MB (01.39%) ++ window(<anonymized-102>)
│ │ │ ├───2.99 MB (01.39%) ++ window(<anonymized-103>)
│ │ │ ├───2.81 MB (01.31%) ++ window(<anonymized-108>)
│ │ │ └───1.60 MB (00.74%) ++ window(<anonymized-101>)
│ │ ├───5.72 MB (02.67%) ++ js-zone(0x13138800)
│ │ └───3.90 MB (01.82%) -- active
│ │ ├──3.90 MB (01.82%) ++ window(<anonymized-109>)
│ │ └──0.00 MB (00.00%) ── window(<anonymized-89>)/dom/other
│ ├──11.88 MB (05.55%) -- top(<anonymized-67>, id=67)
│ │ ├───6.09 MB (02.84%) -- cached
│ │ │ ├──3.54 MB (01.65%) ++ (2 tiny)
│ │ │ └──2.55 MB (01.19%) ++ window(<anonymized-73>)
│ │ ├───3.17 MB (01.48%) ++ js-zone(0x17405000)
│ │ └───2.62 MB (01.22%) -- active
│ │ ├──2.62 MB (01.22%) ++ window(<anonymized-88>)
│ │ └──0.00 MB (00.00%) ── window(<anonymized-67>)/dom/other
│ ├───7.43 MB (03.47%) -- top(chrome://browser/content/browser.xul, id=3)
│ │ ├──5.67 MB (02.65%) -- active
│ │ │ ├──4.53 MB (02.11%) -- window(chrome://browser/content/browser.xul)
│ │ │ │ ├──2.31 MB (01.08%) ++ (4 tiny)
│ │ │ │ └──2.22 MB (01.03%) ++ js-compartment([System Principal], about:blank)
│ │ │ └──1.14 MB (00.53%) ++ (2 tiny)
│ │ └──1.75 MB (00.82%) ++ js-zone(0xd6e7000)
│ ├───5.73 MB (02.68%) -- top(resource://gre-resources/hiddenWindow.html, id=1)
│ │ ├──5.26 MB (02.46%) -- js-zone(0xce8b000)
│ │ │ ├──4.17 MB (01.94%) -- strings
│ │ │ │ ├──2.51 MB (01.17%) -- gc-heap
│ │ │ │ │ ├──2.51 MB (01.17%) ── latin1
│ │ │ │ │ └──0.00 MB (00.00%) ── two-byte
│ │ │ │ └──1.65 MB (00.77%) ++ malloc-heap
│ │ │ └──1.10 MB (00.51%) ++ (10 tiny)
│ │ └──0.47 MB (00.22%) ++ active
│ └───3.82 MB (01.78%) ++ (6 tiny)
├───53.60 MB (25.02%) -- js-non-window
│ ├──33.49 MB (15.63%) -- zones
│ │ ├──22.02 MB (10.28%) -- zone(0xc25800)
│ │ │ ├──19.39 MB (09.05%) ++ (228 tiny)
│ │ │ └───2.63 MB (01.23%) ++ shapes
│ │ ├───6.06 MB (02.83%) -- zone(0xc20800)
│ │ │ ├──5.97 MB (02.79%) -- strings
│ │ │ │ ├──4.67 MB (02.18%) -- gc-heap
│ │ │ │ │ ├──4.67 MB (02.18%) ── latin1
│ │ │ │ │ └──0.00 MB (00.00%) ── two-byte
│ │ │ │ └──1.30 MB (00.61%) ── malloc-heap/latin1
│ │ │ └──0.09 MB (00.04%) ++ (5 tiny)
│ │ ├───2.91 MB (01.36%) ++ (8 tiny)
│ │ └───2.51 MB (01.17%) ++ zone(0x13138800)
│ ├──18.42 MB (08.60%) -- runtime
│ │ ├───5.53 MB (02.58%) ── script-data
│ │ ├───4.12 MB (01.92%) -- gc
│ │ │ ├──4.00 MB (01.87%) ── nursery-committed
│ │ │ └──0.12 MB (00.06%) ++ (3 tiny)
│ │ ├───4.08 MB (01.91%) ── atoms-table
│ │ ├───2.44 MB (01.14%) ++ code
│ │ └───2.25 MB (01.05%) ++ (9 tiny)
│ └───1.69 MB (00.79%) ++ gc-heap
├───29.10 MB (13.58%) ── heap-unclassified
├───12.04 MB (05.62%) -- heap-overhead
│ ├───5.27 MB (02.46%) ── bin-unused
│ ├───4.72 MB (02.20%) ── page-cache
│ └───2.04 MB (00.95%) ── bookkeeping
├───10.43 MB (04.87%) -- storage/sqlite
│ ├───4.50 MB (02.10%) -- places.sqlite
│ │ ├──4.06 MB (01.89%) ── cache-used [5]
│ │ └──0.44 MB (00.21%) ++ (2 tiny)
│ ├───3.73 MB (01.74%) ++ (6 tiny)
│ └───2.21 MB (01.03%) ── other
├────7.58 MB (03.54%) ++ (16 tiny)
├────3.60 MB (01.68%) -- atom-tables
│ ├──3.54 MB (01.65%) ── main
│ └──0.06 MB (00.03%) ── static
├────3.59 MB (01.68%) -- images
│ ├──2.81 MB (01.31%) ++ chrome
│ └──0.78 MB (00.36%) ++ (2 tiny)
├────3.53 MB (01.65%) ++ workers/workers(chrome)
├────3.37 MB (01.57%) -- add-ons
│ ├──2.65 MB (01.24%) -- uBlock0@raymondhill.net
│ │ ├──2.58 MB (01.20%) -- window-objects/top(resource://gre-resources/hiddenWindow.html, id=1)/active/window(chrome://ublock0/content/background.html#1.14.24)/js-compartment([System Principal], chrome://ublock0/content/background.html#1.14.24)
│ │ │ ├──2.45 MB (01.15%) ++ classes
│ │ │ └──0.13 MB (00.06%) ++ (5 tiny)
│ │ └──0.07 MB (00.03%) ++ js-non-window/zones/zone(0xc25800)
│ └──0.72 MB (00.34%) ++ (6 tiny)
└────2.21 MB (01.03%) ── spell-check
Other Measurements
4,095.94 MB (100.0%) -- address-space
├──3,170.49 MB (77.41%) ── free(segments=343)
├────632.02 MB (15.43%) -- commit
│ ├──263.83 MB (06.44%) -- private
│ │ ├──254.34 MB (06.21%) ── readwrite(segments=441)
│ │ └────9.49 MB (00.23%) ++ (6 tiny)
│ ├──222.91 MB (05.44%) -- image
│ │ ├──139.69 MB (03.41%) ── execute-read(segments=188)
│ │ ├───74.60 MB (01.82%) ── readonly(segments=422)
│ │ └────8.62 MB (00.21%) ++ (2 tiny)
│ └──145.27 MB (03.55%) -- mapped
│ ├──137.04 MB (03.35%) ── readonly(segments=97)
│ └────8.24 MB (00.20%) ++ (2 tiny)
└────293.43 MB (07.16%) -- reserved
├──271.64 MB (06.63%) ── private(segments=335)
└───21.79 MB (00.53%) ++ (2 tiny)
1.59 MB (100.0%) -- decommitted
├──1.27 MB (80.05%) -- workers/workers(chrome)
│ ├──0.64 MB (40.15%) ── worker(resource://gre/modules/PageThumbsWorker.js, 0x626d800)/gc-heap/decommitted-arenas
│ └──0.63 MB (39.90%) ── worker(resource://gre/modules/osfile/osfile_async_worker.js, 0xea6ec00)/gc-heap/decommitted-arenas
└──0.32 MB (19.95%) ── js-non-window/gc-heap/decommitted-arenas
5,385 (100.0%) -- event-counts
└──5,385 (100.0%) -- window-objects
├──2,091 (38.83%) -- top(<anonymized-89>, id=89)
│ ├──1,593 (29.58%) -- cached
│ │ ├────497 (09.23%) -- window(<anonymized-108>)/dom
│ │ │ ├──489 (09.08%) ── event-listeners
│ │ │ └────8 (00.15%) ── event-targets
│ │ ├────496 (09.21%) -- window(<anonymized-102>)/dom
│ │ │ ├──488 (09.06%) ── event-listeners
│ │ │ └────8 (00.15%) ── event-targets
│ │ ├────468 (08.69%) -- window(<anonymized-103>)/dom
│ │ │ ├──460 (08.54%) ── event-listeners
│ │ │ └────8 (00.15%) ── event-targets
│ │ └────132 (02.45%) -- window(<anonymized-101>)/dom
│ │ ├──124 (02.30%) ── event-listeners
│ │ └────8 (00.15%) ── event-targets
│ └────498 (09.25%) -- active/window(<anonymized-109>)/dom
│ ├──490 (09.10%) ── event-listeners
│ └────8 (00.15%) ── event-targets
├──1,965 (36.49%) -- top(chrome://browser/content/browser.xul, id=3)/active
│ ├──1,742 (32.35%) -- window(chrome://browser/content/browser.xul)/dom
│ │ ├──1,721 (31.96%) ── event-listeners
│ │ └─────21 (00.39%) ── event-targets
│ ├────222 (04.12%) -- window(chrome://browser/content/web-panels.xul)/dom
│ │ ├──221 (04.10%) ── event-listeners
│ │ └────1 (00.02%) ── event-targets
│ └──────1 (00.02%) ── window(about:blank)/dom/event-targets
├──1,076 (19.98%) -- top(<anonymized-67>, id=67)
│ ├────714 (13.26%) -- cached
│ │ ├──364 (06.76%) -- window(<anonymized-73>)/dom
│ │ │ ├──363 (06.74%) ── event-listeners
│ │ │ └────1 (00.02%) ── event-targets
│ │ ├──203 (03.77%) -- window(<anonymized-74>)/dom
│ │ │ ├──202 (03.75%) ── event-listeners
│ │ │ └────1 (00.02%) ── event-targets
│ │ └──147 (02.73%) -- window(<anonymized-87>)/dom
│ │ ├──146 (02.71%) ── event-listeners
│ │ └────1 (00.02%) ── event-targets
│ └────362 (06.72%) -- active/window(<anonymized-88>)/dom
│ ├──361 (06.70%) ── event-listeners
│ └────1 (00.02%) ── event-targets
├────159 (02.95%) -- top(none)/detached
│ ├───81 (01.50%) -- window(<anonymized-33>)/dom
│ │ ├──78 (01.45%) ── event-listeners
│ │ └───3 (00.06%) ── event-targets
│ └───78 (01.45%) ── window(<anonymized-37>)/dom/event-listeners
└─────94 (01.75%) ++ (7 tiny)
159.45 MB (100.0%) -- heap-committed
├──147.41 MB (92.45%) ── allocated
└───12.04 MB (07.55%) ── overhead
3.59 MB (100.0%) -- images
├──2.81 MB (78.25%) -- chrome
│ ├──1.76 MB (49.07%) -- vector/used
│ │ ├──1.76 MB (49.03%) ── source
│ │ └──0.00 MB (00.04%) ── decoded-heap
│ └──1.05 MB (29.18%) -- raster/used
│ ├──0.87 MB (24.33%) ── decoded-heap
│ └──0.17 MB (04.85%) ── source
├──0.55 MB (15.32%) -- content
│ ├──0.50 MB (14.01%) -- raster
│ │ ├──0.48 MB (13.46%) -- used
│ │ │ ├──0.35 MB (09.67%) ── source
│ │ │ └──0.14 MB (03.79%) ── decoded-heap
│ │ └──0.02 MB (00.55%) ++ unused
│ └──0.05 MB (01.31%) ── vector/used/source
└──0.23 MB (06.44%) -- uncached
├──0.22 MB (06.02%) -- vector/used
│ ├──0.22 MB (06.02%) ── source
│ └──0.00 MB (00.01%) ── decoded-heap
└──0.01 MB (00.41%) ++ raster/used
93.43 MB (100.0%) -- js-main-runtime
├──39.20 MB (41.96%) -- zones
│ ├──17.55 MB (18.78%) -- strings
│ │ ├──11.24 MB (12.03%) -- gc-heap
│ │ │ ├──10.77 MB (11.53%) ── latin1
│ │ │ └───0.47 MB (00.50%) ── two-byte
│ │ └───6.31 MB (06.76%) -- malloc-heap
│ │ ├──5.44 MB (05.82%) ── latin1
│ │ └──0.87 MB (00.93%) ── two-byte
│ ├───7.72 MB (08.26%) -- shapes
│ │ ├──4.72 MB (05.06%) -- gc-heap
│ │ │ ├──3.16 MB (03.38%) ── tree
│ │ │ ├──1.34 MB (01.43%) ── dict
│ │ │ └──0.23 MB (00.25%) ── base
│ │ └──2.99 MB (03.20%) -- malloc-heap
│ │ ├──2.17 MB (02.32%) ── tree-tables
│ │ └──0.83 MB (00.88%) ++ (2 tiny)
│ ├───4.13 MB (04.42%) ── unused-gc-things
│ ├───2.47 MB (02.64%) ── type-pool
│ ├───2.30 MB (02.46%) -- scopes
│ │ ├──1.53 MB (01.64%) ── malloc-heap
│ │ └──0.76 MB (00.82%) ── gc-heap
│ ├───1.79 MB (01.92%) ++ (5 tiny)
│ ├───1.27 MB (01.36%) -- object-groups
│ │ ├──1.23 MB (01.32%) ── gc-heap
│ │ └──0.04 MB (00.05%) ── malloc-heap
│ ├───1.03 MB (01.10%) ── unique-id-map
│ └───0.95 MB (01.01%) ++ lazy-scripts
├──34.12 MB (36.52%) -- compartments
│ ├──20.65 MB (22.11%) -- classes/objects
│ │ ├──16.54 MB (17.70%) ── gc-heap
│ │ └───4.12 MB (04.41%) -- malloc-heap
│ │ ├──3.75 MB (04.01%) ── slots
│ │ └──0.37 MB (00.40%) ++ (2 tiny)
│ ├───4.39 MB (04.70%) -- scripts
│ │ ├──2.96 MB (03.17%) ── gc-heap
│ │ └──1.43 MB (01.53%) ── malloc-heap/data
│ ├───3.59 MB (03.84%) -- baseline
│ │ ├──2.96 MB (03.17%) ── fallback-stubs
│ │ └──0.63 MB (00.67%) ── data
│ ├───2.02 MB (02.16%) ++ (8 tiny)
│ ├───1.86 MB (01.99%) ── cross-compartment-wrapper-table
│ └───1.61 MB (01.72%) ++ type-inference
├──18.42 MB (19.72%) ── runtime
└───1.69 MB (01.81%) -- gc-heap
├──1.00 MB (01.07%) ── unused-chunks
└──0.69 MB (00.74%) ++ (2 tiny)
311 (100.0%) -- js-main-runtime-compartments
├──262 (84.24%) -- system
│ ├──239 (76.85%) ++ (237 tiny)
│ ├────8 (02.57%) ── [System Principal], inProcessTabChildGlobal?ownedBy=chrome://browser/content/browser.xul [8]
│ ├────6 (01.93%) ── [System Principal] [6]
│ ├────5 (01.61%) ── [System Principal], jar:file://<anonymized>/XPIProvider.jsm:4314) [5]
│ └────4 (01.29%) ── [System Principal], Addon-SDK (from: resource://gre/modules/commonjs/toolkit/loader.js:414) [4]
└───49 (15.76%) ++ user
44.68 MB (100.0%) -- js-main-runtime-gc-heap-committed
├──39.55 MB (88.52%) -- used
│ ├──38.38 MB (85.90%) -- gc-things
│ │ ├──16.54 MB (37.01%) ── objects
│ │ ├──11.24 MB (25.15%) ── strings
│ │ ├───4.49 MB (10.06%) ── shapes
│ │ ├───2.96 MB (06.63%) ── scripts
│ │ ├───1.23 MB (02.75%) ── object-groups
│ │ ├───0.76 MB (01.71%) ── scopes
│ │ ├───0.76 MB (01.69%) ── lazy-scripts
│ │ └───0.40 MB (00.90%) ++ (3 tiny)
│ ├───0.69 MB (01.54%) ── chunk-admin
│ └───0.48 MB (01.08%) ── arena-admin
└───5.13 MB (11.48%) -- unused
├──4.13 MB (09.24%) -- gc-things
│ ├──2.07 MB (04.63%) ── objects
│ ├──0.76 MB (01.70%) ── strings
│ ├──0.73 MB (01.64%) ++ (7 tiny)
│ └──0.57 MB (01.27%) ── shapes
├──1.00 MB (02.24%) ── chunks
└──0.00 MB (00.00%) ── arenas
0 (100.0%) -- low-memory-events
├──0 (100.0%) ── commit-space
├──0 (100.0%) ── physical
└──0 (100.0%) ── virtual
143 (100.0%) -- message-manager
└──143 (100.0%) -- referent
├──109 (76.22%) -- global-manager
│ ├──109 (76.22%) ── strong
│ └────0 (00.00%) ++ weak
├───24 (16.78%) -- parent-process-manager
│ ├──24 (16.78%) ── strong
│ └───0 (00.00%) ++ weak
└───10 (06.99%) -- child-process-manager
├──10 (06.99%) ── strong
└───0 (00.00%) ++ weak
1,531 (100.0%) -- observer-service
└──1,531 (100.0%) -- referent
├──1,199 (78.31%) ── strong
└────332 (21.69%) -- weak
├──320 (20.90%) ── alive
└───12 (00.78%) ── dead
518 (100.0%) -- observer-service-suspect
├──286 (55.21%) ── referent(topic=memory-pressure)
└──232 (44.79%) ── referent(topic=xpcom-shutdown)
1,207 (100.0%) -- preference-service
└──1,207 (100.0%) -- referent
├──1,048 (86.83%) ── strong
└────159 (13.17%) -- weak
├──159 (13.17%) ── alive
└────0 (00.00%) ── dead
0 (100.0%) -- queued-ipc-messages
└──0 (100.0%) ── content-parent(<anonymized-name>, pid=5728, open channel, 0x10ab7c18, refcnt=18)
48.71 MB (100.0%) -- window-objects
├──24.90 MB (51.11%) -- dom
│ ├──20.00 MB (41.06%) ── orphan-nodes
│ ├───3.44 MB (07.07%) ── element-nodes
│ ├───1.03 MB (02.11%) ── text-nodes
│ └───0.42 MB (00.87%) ++ (4 tiny)
├──16.92 MB (34.74%) -- layout
│ ├───8.26 MB (16.95%) ── frames
│ ├───2.28 MB (04.68%) ── style-structs
│ ├───1.78 MB (03.66%) ── style-sets
│ ├───1.41 MB (02.90%) ── pres-shell
│ ├───0.96 MB (01.96%) ── text-runs
│ ├───0.73 MB (01.49%) ── line-boxes
│ ├───0.59 MB (01.20%) ── style-contexts
│ ├───0.58 MB (01.20%) ── rule-nodes
│ └───0.34 MB (00.69%) ── pres-contexts
├───6.86 MB (14.09%) ── style-sheets
└───0.03 MB (00.06%) ── property-tables
41.05 MB ── d3d11-shared-textures
0.00 MB ── gfx-d2d-vram-draw-target
0.00 MB ── gfx-d2d-vram-source-surface
0.02 MB ── gfx-surface-win32
0.00 MB ── gfx-textures
0.00 MB ── gfx-textures-peak
0.00 MB ── gfx-tiles-waste
0 ── ghost-windows
0.00 MB ── gpu-committed
0.02 MB ── gpu-dedicated
116.80 MB ── gpu-shared
147.41 MB ── heap-allocated
1.00 MB ── heap-chunksize
171.00 MB ── heap-mapped
0.63 MB ── imagelib-surface-cache-estimated-locked
0.93 MB ── imagelib-surface-cache-estimated-total
0 ── imagelib-surface-cache-overflow-count
1.15 MB ── js-main-runtime-temporary-peak
275.45 MB ── private
323.56 MB ── resident
277.73 MB ── resident-unique
7.52 MB ── system-heap-allocated
925.38 MB ── vsize
1,805.94 MB ── vsize-max-contiguous
End of Main Process
Web Content (pid 5728)
Explicit Allocations
17.36 MB (100.0%) -- explicit
├───7.55 MB (43.48%) -- js-non-window
│ ├──3.73 MB (21.50%) -- zones
│ │ ├──2.92 MB (16.84%) -- zone(0x925800)
│ │ │ ├──1.96 MB (11.28%) ++ (65 tiny)
│ │ │ ├──0.36 MB (02.06%) -- shapes
│ │ │ │ ├──0.30 MB (01.72%) -- gc-heap
│ │ │ │ │ ├──0.25 MB (01.42%) ── tree
│ │ │ │ │ └──0.05 MB (00.30%) ++ (2 tiny)
│ │ │ │ └──0.06 MB (00.34%) ++ malloc-heap
│ │ │ ├──0.34 MB (01.96%) ++ compartment([System Principal], Addon-SDK (from: resource://gre/modules/commonjs/toolkit/loader.js:414))
│ │ │ └──0.27 MB (01.54%) ++ compartment([System Principal], resource://gre/modules/commonjs/toolkit/loader.js)
│ │ ├──0.54 MB (03.13%) -- zone(0x921800)
│ │ │ ├──0.46 MB (02.65%) -- strings
│ │ │ │ ├──0.41 MB (02.36%) -- gc-heap
│ │ │ │ │ ├──0.41 MB (02.36%) ── latin1
│ │ │ │ │ └──0.00 MB (00.00%) ── two-byte
│ │ │ │ └──0.05 MB (00.29%) ── malloc-heap/latin1
│ │ │ └──0.08 MB (00.48%) ++ (4 tiny)
│ │ ├──0.24 MB (01.39%) ++ zone(0x922000)
│ │ └──0.02 MB (00.14%) ++ zone(0xbcab800)/compartment(<anonymized-4>)
│ ├──2.77 MB (15.95%) -- runtime
│ │ ├──1.05 MB (06.06%) -- gc
│ │ │ ├──1.00 MB (05.76%) ── nursery-committed
│ │ │ └──0.05 MB (00.30%) ++ (3 tiny)
│ │ ├──0.58 MB (03.36%) ── script-data
│ │ ├──0.56 MB (03.23%) ── shared-immutable-strings-cache
│ │ ├──0.33 MB (01.92%) ── atoms-table
│ │ └──0.24 MB (01.38%) ++ (9 tiny)
│ └──1.05 MB (06.03%) -- gc-heap
│ ├──1.00 MB (05.76%) ── unused-chunks
│ └──0.05 MB (00.27%) ++ (2 tiny)
├───5.65 MB (32.52%) -- heap-overhead
│ ├──2.89 MB (16.63%) ── bin-unused
│ ├──2.58 MB (14.85%) ── page-cache
│ └──0.18 MB (01.04%) ── bookkeeping
├───1.42 MB (08.18%) ── heap-unclassified
├───0.66 MB (03.83%) ── xpti-working-set
├───0.47 MB (02.69%) -- gfx
│ ├──0.47 MB (02.69%) ── font-list
│ └──0.00 MB (00.00%) ++ (4 tiny)
├───0.46 MB (02.67%) -- layout
│ ├──0.32 MB (01.87%) ── style-sheet-cache
│ └──0.14 MB (00.79%) ── rule-processor-cache
├───0.29 MB (01.66%) ── preferences
├───0.23 MB (01.35%) ++ (10 tiny)
├───0.23 MB (01.34%) ++ atom-tables
├───0.20 MB (01.18%) ++ window-objects/top(<anonymized-2147483649>, id=2147483649)
└───0.19 MB (01.10%) ++ xpcom
Other Measurements
4,095.94 MB (100.0%) -- address-space
├──3,618.09 MB (88.33%) ── free(segments=143)
├────253.49 MB (06.19%) -- reserved
│ ├──231.70 MB (05.66%) ── private(segments=176)
│ └───21.79 MB (00.53%) ++ (2 tiny)
└────224.36 MB (05.48%) -- commit
├──148.14 MB (03.62%) -- image
│ ├───90.17 MB (02.20%) ── execute-read(segments=94)
│ ├───50.66 MB (01.24%) ── readonly(segments=206)
│ └────7.31 MB (00.18%) ++ (2 tiny)
├───52.26 MB (01.28%) -- mapped
│ ├──52.00 MB (01.27%) ── readonly(segments=28)
│ └───0.26 MB (00.01%) ++ (2 tiny)
└───23.96 MB (00.58%) ++ private
0.73 MB (100.0%) -- decommitted
└──0.73 MB (100.0%) ── js-non-window/gc-heap/decommitted-arenas
3 (100.0%) -- event-counts
└──3 (100.0%) -- window-objects/top(<anonymized-2147483649>, id=2147483649)/active/window(<anonymized-2147483654>)/dom
├──2 (66.67%) ── event-listeners
└──1 (33.33%) ── event-targets
12.96 MB (100.0%) -- heap-committed
├───7.32 MB (56.45%) ── allocated
└───5.65 MB (43.55%) ── overhead
0.00 MB (100.0%) -- images
└──0.00 MB (100.0%) ── chrome/raster/used/source
7.71 MB (100.0%) -- js-main-runtime
├──2.77 MB (35.92%) ── runtime
├──2.10 MB (27.31%) -- compartments
│ ├──1.19 MB (15.41%) -- classes/objects
│ │ ├──0.80 MB (10.42%) ── gc-heap
│ │ └──0.38 MB (04.98%) -- malloc-heap
│ │ ├──0.38 MB (04.92%) ── slots
│ │ └──0.00 MB (00.06%) ++ (2 tiny)
│ ├──0.31 MB (04.02%) ++ (6 tiny)
│ ├──0.23 MB (02.95%) -- scripts
│ │ ├──0.15 MB (01.97%) ── gc-heap
│ │ └──0.08 MB (00.98%) ── malloc-heap/data
│ ├──0.16 MB (02.08%) ── cross-compartment-wrapper-table
│ ├──0.11 MB (01.43%) ++ type-inference
│ └──0.11 MB (01.42%) -- baseline
│ ├──0.09 MB (01.17%) ── fallback-stubs
│ └──0.02 MB (00.25%) ── data
├──1.79 MB (23.20%) -- zones
│ ├──0.48 MB (06.22%) -- strings
│ │ ├──0.42 MB (05.43%) -- gc-heap
│ │ │ ├──0.42 MB (05.43%) ── latin1
│ │ │ └──0.00 MB (00.00%) ── two-byte
│ │ └──0.06 MB (00.80%) ++ malloc-heap
│ ├──0.43 MB (05.59%) -- shapes
│ │ ├──0.37 MB (04.76%) -- gc-heap
│ │ │ ├──0.29 MB (03.80%) ── tree
│ │ │ └──0.07 MB (00.96%) ++ (2 tiny)
│ │ └──0.06 MB (00.84%) ++ malloc-heap
│ ├──0.27 MB (03.46%) ── unused-gc-things
│ ├──0.17 MB (02.25%) ++ (6 tiny)
│ ├──0.12 MB (01.59%) -- scopes
│ │ ├──0.08 MB (01.08%) ── malloc-heap
│ │ └──0.04 MB (00.51%) ── gc-heap
│ ├──0.12 MB (01.52%) ── type-pool
│ ├──0.11 MB (01.48%) ── shape-tables
│ └──0.08 MB (01.08%) ── object-groups/gc-heap
└──1.05 MB (13.58%) -- gc-heap
├──1.00 MB (12.97%) ── unused-chunks
└──0.05 MB (00.61%) ++ (2 tiny)
61 (100.0%) -- js-main-runtime-compartments
├──57 (93.44%) -- system
│ ├───2 (03.28%) ── [System Principal], Addon-SDK (from: resource://gre/modules/commonjs/toolkit/loader.js:414) [2]
│ ├───1 (01.64%) ── [System Principal], [anonymous sandbox] (from: resource://gre/modules/commonjs/toolkit/loader.js -> resource://devtools/shared/builtin-modules.js:185)
│ ├───1 (01.64%) ── [System Principal], [anonymous sandbox] (from: resource://gre/modules/commonjs/toolkit/loader.js -> resource://devtools/shared/builtin-modules.js:209)
│ ├───1 (01.64%) ── [System Principal], [anonymous sandbox] (from: resource://gre/modules/commonjs/toolkit/loader.js -> resource://devtools/shared/builtin-modules.js:24)
│ ├───1 (01.64%) ── [System Principal], chrome://stylem/content/frame-utils.js
│ ├───1 (01.64%) ── [System Principal], chrome://ublock0/content/frameModule.js
│ ├───1 (01.64%) ── [System Principal], jar:file://<anonymized>/AppsService.js
│ ├───1 (01.64%) ── [System Principal], jar:file://<anonymized>/ContentProcessSingleton.js
│ ├───1 (01.64%) ── [System Principal], jar:file://<anonymized>/nsPrompter.js
│ ├───1 (01.64%) ── [System Principal], jar:file://<anonymized>/PushComponents.js
│ ├───1 (01.64%) ── [System Principal], jar:file://<anonymized>/TelemetryStartup.js
│ ├───1 (01.64%) ── [System Principal], jar:file://<anonymized>/TooltipTextProvider.js
│ ├───1 (01.64%) ── [System Principal], outOfProcessTabChildGlobal
│ ├───1 (01.64%) ── [System Principal], processChildGlobal
│ ├───1 (01.64%) ── [System Principal], resource://devtools/shared/loader-plugin-raw.jsm
│ ├───1 (01.64%) ── [System Principal], resource://devtools/shared/Loader.jsm
│ ├───1 (01.64%) ── [System Principal], resource://gre/modules/AppConstants.jsm
│ ├───1 (01.64%) ── [System Principal], resource://gre/modules/AppsServiceChild.jsm
│ ├───1 (01.64%) ── [System Principal], resource://gre/modules/AppsUtils.jsm
│ ├───1 (01.64%) ── [System Principal], resource://gre/modules/AsyncShutdown.jsm
│ ├───1 (01.64%) ── [System Principal], resource://gre/modules/commonjs/framescript/content.jsm
│ ├───1 (01.64%) ── [System Principal], resource://gre/modules/commonjs/sdk/system/xul-app.jsm
│ ├───1 (01.64%) ── [System Principal], resource://gre/modules/commonjs/toolkit/loader.js
│ ├───1 (01.64%) ── [System Principal], resource://gre/modules/Console.jsm
│ ├───1 (01.64%) ── [System Principal], resource://gre/modules/ctypes.jsm
│ ├───1 (01.64%) ── [System Principal], resource://gre/modules/debug.js
│ ├───1 (01.64%) ── [System Principal], resource://gre/modules/DeferredTask.jsm
│ ├───1 (01.64%) ── [System Principal], resource://gre/modules/jsdebugger.jsm
│ ├───1 (01.64%) ── [System Principal], resource://gre/modules/Log.jsm
│ ├───1 (01.64%) ── [System Principal], resource://gre/modules/NetUtil.jsm
│ ├───1 (01.64%) ── [System Principal], resource://gre/modules/osfile.jsm
│ ├───1 (01.64%) ── [System Principal], resource://gre/modules/osfile/osfile_async_front.jsm
│ ├───1 (01.64%) ── [System Principal], resource://gre/modules/osfile/osfile_native.jsm
│ ├───1 (01.64%) ── [System Principal], resource://gre/modules/osfile/osfile_shared_allthreads.jsm
│ ├───1 (01.64%) ── [System Principal], resource://gre/modules/osfile/osfile_win_allthreads.jsm
│ ├───1 (01.64%) ── [System Principal], resource://gre/modules/osfile/ospath_unix.jsm
│ ├───1 (01.64%) ── [System Principal], resource://gre/modules/osfile/ospath_win.jsm
│ ├───1 (01.64%) ── [System Principal], resource://gre/modules/osfile/ospath.jsm
│ ├───1 (01.64%) ── [System Principal], resource://gre/modules/PageThumbUtils.jsm
│ ├───1 (01.64%) ── [System Principal], resource://gre/modules/Preferences.jsm
│ ├───1 (01.64%) ── [System Principal], resource://gre/modules/PrivateBrowsingUtils.jsm
│ ├───1 (01.64%) ── [System Principal], resource://gre/modules/Promise.jsm
│ ├───1 (01.64%) ── [System Principal], resource://gre/modules/PromiseUtils.jsm
│ ├───1 (01.64%) ── [System Principal], resource://gre/modules/PromiseWorker.jsm
│ ├───1 (01.64%) ── [System Principal], resource://gre/modules/RemotePageManager.jsm
│ ├───1 (01.64%) ── [System Principal], resource://gre/modules/Services.jsm
│ ├───1 (01.64%) ── [System Principal], resource://gre/modules/SharedPromptUtils.jsm
│ ├───1 (01.64%) ── [System Principal], resource://gre/modules/ShimWaiver.jsm
│ ├───1 (01.64%) ── [System Principal], resource://gre/modules/Task.jsm
│ ├───1 (01.64%) ── [System Principal], resource://gre/modules/TelemetryController.jsm
│ ├───1 (01.64%) ── [System Principal], resource://gre/modules/TelemetryUtils.jsm
│ ├───1 (01.64%) ── [System Principal], resource://gre/modules/Timer.jsm
│ ├───1 (01.64%) ── [System Principal], resource://gre/modules/XPCOMUtils.jsm
│ ├───1 (01.64%) ── [System Principal], XPConnect Privileged Junk Compartment
│ ├───1 (01.64%) ── atoms
│ └───1 (01.64%) ── null-principal
└───4 (06.56%) -- user
├──1 (01.64%) ── <anonymized-1>
├──1 (01.64%) ── <anonymized-2>
├──1 (01.64%) ── <anonymized-3>
└──1 (01.64%) ── <anonymized-4>
3.27 MB (100.0%) -- js-main-runtime-gc-heap-committed
├──2.00 MB (61.26%) -- used
│ ├──1.93 MB (59.03%) -- gc-things
│ │ ├──0.80 MB (24.58%) ── objects
│ │ ├──0.42 MB (12.80%) ── strings
│ │ ├──0.35 MB (10.58%) ── shapes
│ │ ├──0.15 MB (04.65%) ── scripts
│ │ ├──0.08 MB (02.54%) ── object-groups
│ │ ├──0.05 MB (01.58%) ── lazy-scripts
│ │ ├──0.04 MB (01.20%) ── scopes
│ │ └──0.04 MB (01.10%) ++ (3 tiny)
│ ├──0.05 MB (01.43%) ── chunk-admin
│ └──0.03 MB (00.79%) ── arena-admin
└──1.27 MB (38.74%) -- unused
├──1.00 MB (30.59%) ── chunks
├──0.27 MB (08.16%) -- gc-things
│ ├──0.08 MB (02.57%) ── objects
│ ├──0.07 MB (02.08%) ── strings
│ ├──0.06 MB (01.91%) ++ (7 tiny)
│ └──0.05 MB (01.60%) ── object-groups
└──0.00 MB (00.00%) ── arenas
0 (100.0%) -- low-memory-events
├──0 (100.0%) ── commit-space
├──0 (100.0%) ── physical
└──0 (100.0%) ── virtual
22 (100.0%) -- message-manager
└──22 (100.0%) -- referent/child-process-manager
├──22 (100.0%) ── strong
└───0 (00.00%) ++ weak
207 (100.0%) -- observer-service
└──207 (100.0%) -- referent
├──136 (65.70%) ── strong
└───71 (34.30%) -- weak
├──71 (34.30%) ── alive
└───0 (00.00%) ── dead
572 (100.0%) -- preference-service
└──572 (100.0%) -- referent
├──538 (94.06%) ── strong
└───34 (05.94%) -- weak
├──34 (05.94%) ── alive
└───0 (00.00%) ── dead
0.04 MB (100.0%) -- window-objects
├──0.04 MB (88.41%) -- layout
│ ├──0.01 MB (33.18%) ── style-structs
│ ├──0.01 MB (25.72%) ── pres-shell
│ ├──0.00 MB (08.75%) ── style-sets
│ ├──0.00 MB (08.14%) ── rule-nodes
│ ├──0.00 MB (05.21%) ── frames
│ ├──0.00 MB (04.58%) ── style-contexts
│ ├──0.00 MB (02.71%) ── pres-contexts
│ └──0.00 MB (00.12%) ++ (2 tiny)
├──0.00 MB (10.40%) -- dom
│ ├──0.00 MB (09.60%) ── other
│ └──0.00 MB (00.80%) ++ (5 tiny)
└──0.00 MB (01.20%) ++ (2 tiny)
0.00 MB ── gfx-d2d-vram-draw-target
0.00 MB ── gfx-d2d-vram-source-surface
0.00 MB ── gfx-surface-win32
0.00 MB ── gfx-textures
0.00 MB ── gfx-textures-peak
0.00 MB ── gfx-tiles-waste
0 ── ghost-windows
0.00 MB ── gpu-committed
0.02 MB ── gpu-dedicated
0.36 MB ── gpu-shared
7.32 MB ── heap-allocated
1.00 MB ── heap-chunksize
21.00 MB ── heap-mapped
0.00 MB ── imagelib-surface-cache-estimated-locked
0.00 MB ── imagelib-surface-cache-estimated-total
0 ── imagelib-surface-cache-overflow-count
1.15 MB ── js-main-runtime-temporary-peak
33.17 MB ── private
61.59 MB ── resident
23.29 MB ── resident-unique
1.15 MB ── system-heap-allocated
477.79 MB ── vsize
1,805.94 MB ── vsize-max-contiguous
End of Web Content (pid 5728)
Explicit Allocations
214.21 MB (100.0%) -- explicit
├───85.17 MB (39.76%) -- window-objects
│ ├──36.30 MB (16.94%) -- top(<anonymized-63>, id=63)
│ │ ├──29.69 MB (13.86%) -- active
│ │ │ ├──29.69 MB (13.86%) -- window(<anonymized-66>)
│ │ │ │ ├──19.94 MB (09.31%) -- dom
│ │ │ │ │ ├──19.92 MB (09.30%) ── orphan-nodes
│ │ │ │ │ └───0.02 MB (00.01%) ++ (5 tiny)
│ │ │ │ ├───7.39 MB (03.45%) -- layout
│ │ │ │ │ ├──6.49 MB (03.03%) -- frames
│ │ │ │ │ │ ├──4.37 MB (02.04%) ── nsInlineFrame
│ │ │ │ │ │ └──2.12 MB (00.99%) ++ (2 tiny)
│ │ │ │ │ └──0.90 MB (00.42%) ++ (8 tiny)
│ │ │ │ ├───2.34 MB (01.09%) ++ js-compartment([System Principal], about:memory)
│ │ │ │ └───0.01 MB (00.01%) ++ (2 tiny)
│ │ │ └───0.00 MB (00.00%) ── window(<anonymized-63>)/dom/other
│ │ └───6.61 MB (03.09%) -- js-zone(0x14f44000)
│ │ ├──5.38 MB (02.51%) -- strings
│ │ │ ├──3.01 MB (01.40%) -- gc-heap
│ │ │ │ ├──2.82 MB (01.31%) ── latin1
│ │ │ │ └──0.19 MB (00.09%) ── two-byte
│ │ │ └──2.38 MB (01.11%) ++ malloc-heap
│ │ └──1.22 MB (00.57%) ++ (9 tiny)
│ ├──20.01 MB (09.34%) -- top(<anonymized-89>, id=89)
│ │ ├──10.38 MB (04.85%) -- cached
│ │ │ ├───2.99 MB (01.39%) ++ window(<anonymized-102>)
│ │ │ ├───2.99 MB (01.39%) ++ window(<anonymized-103>)
│ │ │ ├───2.81 MB (01.31%) ++ window(<anonymized-108>)
│ │ │ └───1.60 MB (00.74%) ++ window(<anonymized-101>)
│ │ ├───5.72 MB (02.67%) ++ js-zone(0x13138800)
│ │ └───3.90 MB (01.82%) -- active
│ │ ├──3.90 MB (01.82%) ++ window(<anonymized-109>)
│ │ └──0.00 MB (00.00%) ── window(<anonymized-89>)/dom/other
│ ├──11.88 MB (05.55%) -- top(<anonymized-67>, id=67)
│ │ ├───6.09 MB (02.84%) -- cached
│ │ │ ├──3.54 MB (01.65%) ++ (2 tiny)
│ │ │ └──2.55 MB (01.19%) ++ window(<anonymized-73>)
│ │ ├───3.17 MB (01.48%) ++ js-zone(0x17405000)
│ │ └───2.62 MB (01.22%) -- active
│ │ ├──2.62 MB (01.22%) ++ window(<anonymized-88>)
│ │ └──0.00 MB (00.00%) ── window(<anonymized-67>)/dom/other
│ ├───7.43 MB (03.47%) -- top(chrome://browser/content/browser.xul, id=3)
│ │ ├──5.67 MB (02.65%) -- active
│ │ │ ├──4.53 MB (02.11%) -- window(chrome://browser/content/browser.xul)
│ │ │ │ ├──2.31 MB (01.08%) ++ (4 tiny)
│ │ │ │ └──2.22 MB (01.03%) ++ js-compartment([System Principal], about:blank)
│ │ │ └──1.14 MB (00.53%) ++ (2 tiny)
│ │ └──1.75 MB (00.82%) ++ js-zone(0xd6e7000)
│ ├───5.73 MB (02.68%) -- top(resource://gre-resources/hiddenWindow.html, id=1)
│ │ ├──5.26 MB (02.46%) -- js-zone(0xce8b000)
│ │ │ ├──4.17 MB (01.94%) -- strings
│ │ │ │ ├──2.51 MB (01.17%) -- gc-heap
│ │ │ │ │ ├──2.51 MB (01.17%) ── latin1
│ │ │ │ │ └──0.00 MB (00.00%) ── two-byte
│ │ │ │ └──1.65 MB (00.77%) ++ malloc-heap
│ │ │ └──1.10 MB (00.51%) ++ (10 tiny)
│ │ └──0.47 MB (00.22%) ++ active
│ └───3.82 MB (01.78%) ++ (6 tiny)
├───53.60 MB (25.02%) -- js-non-window
│ ├──33.49 MB (15.63%) -- zones
│ │ ├──22.02 MB (10.28%) -- zone(0xc25800)
│ │ │ ├──19.39 MB (09.05%) ++ (228 tiny)
│ │ │ └───2.63 MB (01.23%) ++ shapes
│ │ ├───6.06 MB (02.83%) -- zone(0xc20800)
│ │ │ ├──5.97 MB (02.79%) -- strings
│ │ │ │ ├──4.67 MB (02.18%) -- gc-heap
│ │ │ │ │ ├──4.67 MB (02.18%) ── latin1
│ │ │ │ │ └──0.00 MB (00.00%) ── two-byte
│ │ │ │ └──1.30 MB (00.61%) ── malloc-heap/latin1
│ │ │ └──0.09 MB (00.04%) ++ (5 tiny)
│ │ ├───2.91 MB (01.36%) ++ (8 tiny)
│ │ └───2.51 MB (01.17%) ++ zone(0x13138800)
│ ├──18.42 MB (08.60%) -- runtime
│ │ ├───5.53 MB (02.58%) ── script-data
│ │ ├───4.12 MB (01.92%) -- gc
│ │ │ ├──4.00 MB (01.87%) ── nursery-committed
│ │ │ └──0.12 MB (00.06%) ++ (3 tiny)
│ │ ├───4.08 MB (01.91%) ── atoms-table
│ │ ├───2.44 MB (01.14%) ++ code
│ │ └───2.25 MB (01.05%) ++ (9 tiny)
│ └───1.69 MB (00.79%) ++ gc-heap
├───29.10 MB (13.58%) ── heap-unclassified
├───12.04 MB (05.62%) -- heap-overhead
│ ├───5.27 MB (02.46%) ── bin-unused
│ ├───4.72 MB (02.20%) ── page-cache
│ └───2.04 MB (00.95%) ── bookkeeping
├───10.43 MB (04.87%) -- storage/sqlite
│ ├───4.50 MB (02.10%) -- places.sqlite
│ │ ├──4.06 MB (01.89%) ── cache-used [5]
│ │ └──0.44 MB (00.21%) ++ (2 tiny)
│ ├───3.73 MB (01.74%) ++ (6 tiny)
│ └───2.21 MB (01.03%) ── other
├────7.58 MB (03.54%) ++ (16 tiny)
├────3.60 MB (01.68%) -- atom-tables
│ ├──3.54 MB (01.65%) ── main
│ └──0.06 MB (00.03%) ── static
├────3.59 MB (01.68%) -- images
│ ├──2.81 MB (01.31%) ++ chrome
│ └──0.78 MB (00.36%) ++ (2 tiny)
├────3.53 MB (01.65%) ++ workers/workers(chrome)
├────3.37 MB (01.57%) -- add-ons
│ ├──2.65 MB (01.24%) -- uBlock0@raymondhill.net
│ │ ├──2.58 MB (01.20%) -- window-objects/top(resource://gre-resources/hiddenWindow.html, id=1)/active/window(chrome://ublock0/content/background.html#1.14.24)/js-compartment([System Principal], chrome://ublock0/content/background.html#1.14.24)
│ │ │ ├──2.45 MB (01.15%) ++ classes
│ │ │ └──0.13 MB (00.06%) ++ (5 tiny)
│ │ └──0.07 MB (00.03%) ++ js-non-window/zones/zone(0xc25800)
│ └──0.72 MB (00.34%) ++ (6 tiny)
└────2.21 MB (01.03%) ── spell-check
Other Measurements
4,095.94 MB (100.0%) -- address-space
├──3,170.49 MB (77.41%) ── free(segments=343)
├────632.02 MB (15.43%) -- commit
│ ├──263.83 MB (06.44%) -- private
│ │ ├──254.34 MB (06.21%) ── readwrite(segments=441)
│ │ └────9.49 MB (00.23%) ++ (6 tiny)
│ ├──222.91 MB (05.44%) -- image
│ │ ├──139.69 MB (03.41%) ── execute-read(segments=188)
│ │ ├───74.60 MB (01.82%) ── readonly(segments=422)
│ │ └────8.62 MB (00.21%) ++ (2 tiny)
│ └──145.27 MB (03.55%) -- mapped
│ ├──137.04 MB (03.35%) ── readonly(segments=97)
│ └────8.24 MB (00.20%) ++ (2 tiny)
└────293.43 MB (07.16%) -- reserved
├──271.64 MB (06.63%) ── private(segments=335)
└───21.79 MB (00.53%) ++ (2 tiny)
1.59 MB (100.0%) -- decommitted
├──1.27 MB (80.05%) -- workers/workers(chrome)
│ ├──0.64 MB (40.15%) ── worker(resource://gre/modules/PageThumbsWorker.js, 0x626d800)/gc-heap/decommitted-arenas
│ └──0.63 MB (39.90%) ── worker(resource://gre/modules/osfile/osfile_async_worker.js, 0xea6ec00)/gc-heap/decommitted-arenas
└──0.32 MB (19.95%) ── js-non-window/gc-heap/decommitted-arenas
5,385 (100.0%) -- event-counts
└──5,385 (100.0%) -- window-objects
├──2,091 (38.83%) -- top(<anonymized-89>, id=89)
│ ├──1,593 (29.58%) -- cached
│ │ ├────497 (09.23%) -- window(<anonymized-108>)/dom
│ │ │ ├──489 (09.08%) ── event-listeners
│ │ │ └────8 (00.15%) ── event-targets
│ │ ├────496 (09.21%) -- window(<anonymized-102>)/dom
│ │ │ ├──488 (09.06%) ── event-listeners
│ │ │ └────8 (00.15%) ── event-targets
│ │ ├────468 (08.69%) -- window(<anonymized-103>)/dom
│ │ │ ├──460 (08.54%) ── event-listeners
│ │ │ └────8 (00.15%) ── event-targets
│ │ └────132 (02.45%) -- window(<anonymized-101>)/dom
│ │ ├──124 (02.30%) ── event-listeners
│ │ └────8 (00.15%) ── event-targets
│ └────498 (09.25%) -- active/window(<anonymized-109>)/dom
│ ├──490 (09.10%) ── event-listeners
│ └────8 (00.15%) ── event-targets
├──1,965 (36.49%) -- top(chrome://browser/content/browser.xul, id=3)/active
│ ├──1,742 (32.35%) -- window(chrome://browser/content/browser.xul)/dom
│ │ ├──1,721 (31.96%) ── event-listeners
│ │ └─────21 (00.39%) ── event-targets
│ ├────222 (04.12%) -- window(chrome://browser/content/web-panels.xul)/dom
│ │ ├──221 (04.10%) ── event-listeners
│ │ └────1 (00.02%) ── event-targets
│ └──────1 (00.02%) ── window(about:blank)/dom/event-targets
├──1,076 (19.98%) -- top(<anonymized-67>, id=67)
│ ├────714 (13.26%) -- cached
│ │ ├──364 (06.76%) -- window(<anonymized-73>)/dom
│ │ │ ├──363 (06.74%) ── event-listeners
│ │ │ └────1 (00.02%) ── event-targets
│ │ ├──203 (03.77%) -- window(<anonymized-74>)/dom
│ │ │ ├──202 (03.75%) ── event-listeners
│ │ │ └────1 (00.02%) ── event-targets
│ │ └──147 (02.73%) -- window(<anonymized-87>)/dom
│ │ ├──146 (02.71%) ── event-listeners
│ │ └────1 (00.02%) ── event-targets
│ └────362 (06.72%) -- active/window(<anonymized-88>)/dom
│ ├──361 (06.70%) ── event-listeners
│ └────1 (00.02%) ── event-targets
├────159 (02.95%) -- top(none)/detached
│ ├───81 (01.50%) -- window(<anonymized-33>)/dom
│ │ ├──78 (01.45%) ── event-listeners
│ │ └───3 (00.06%) ── event-targets
│ └───78 (01.45%) ── window(<anonymized-37>)/dom/event-listeners
└─────94 (01.75%) ++ (7 tiny)
159.45 MB (100.0%) -- heap-committed
├──147.41 MB (92.45%) ── allocated
└───12.04 MB (07.55%) ── overhead
3.59 MB (100.0%) -- images
├──2.81 MB (78.25%) -- chrome
│ ├──1.76 MB (49.07%) -- vector/used
│ │ ├──1.76 MB (49.03%) ── source
│ │ └──0.00 MB (00.04%) ── decoded-heap
│ └──1.05 MB (29.18%) -- raster/used
│ ├──0.87 MB (24.33%) ── decoded-heap
│ └──0.17 MB (04.85%) ── source
├──0.55 MB (15.32%) -- content
│ ├──0.50 MB (14.01%) -- raster
│ │ ├──0.48 MB (13.46%) -- used
│ │ │ ├──0.35 MB (09.67%) ── source
│ │ │ └──0.14 MB (03.79%) ── decoded-heap
│ │ └──0.02 MB (00.55%) ++ unused
│ └──0.05 MB (01.31%) ── vector/used/source
└──0.23 MB (06.44%) -- uncached
├──0.22 MB (06.02%) -- vector/used
│ ├──0.22 MB (06.02%) ── source
│ └──0.00 MB (00.01%) ── decoded-heap
└──0.01 MB (00.41%) ++ raster/used
93.43 MB (100.0%) -- js-main-runtime
├──39.20 MB (41.96%) -- zones
│ ├──17.55 MB (18.78%) -- strings
│ │ ├──11.24 MB (12.03%) -- gc-heap
│ │ │ ├──10.77 MB (11.53%) ── latin1
│ │ │ └───0.47 MB (00.50%) ── two-byte
│ │ └───6.31 MB (06.76%) -- malloc-heap
│ │ ├──5.44 MB (05.82%) ── latin1
│ │ └──0.87 MB (00.93%) ── two-byte
│ ├───7.72 MB (08.26%) -- shapes
│ │ ├──4.72 MB (05.06%) -- gc-heap
│ │ │ ├──3.16 MB (03.38%) ── tree
│ │ │ ├──1.34 MB (01.43%) ── dict
│ │ │ └──0.23 MB (00.25%) ── base
│ │ └──2.99 MB (03.20%) -- malloc-heap
│ │ ├──2.17 MB (02.32%) ── tree-tables
│ │ └──0.83 MB (00.88%) ++ (2 tiny)
│ ├───4.13 MB (04.42%) ── unused-gc-things
│ ├───2.47 MB (02.64%) ── type-pool
│ ├───2.30 MB (02.46%) -- scopes
│ │ ├──1.53 MB (01.64%) ── malloc-heap
│ │ └──0.76 MB (00.82%) ── gc-heap
│ ├───1.79 MB (01.92%) ++ (5 tiny)
│ ├───1.27 MB (01.36%) -- object-groups
│ │ ├──1.23 MB (01.32%) ── gc-heap
│ │ └──0.04 MB (00.05%) ── malloc-heap
│ ├───1.03 MB (01.10%) ── unique-id-map
│ └───0.95 MB (01.01%) ++ lazy-scripts
├──34.12 MB (36.52%) -- compartments
│ ├──20.65 MB (22.11%) -- classes/objects
│ │ ├──16.54 MB (17.70%) ── gc-heap
│ │ └───4.12 MB (04.41%) -- malloc-heap
│ │ ├──3.75 MB (04.01%) ── slots
│ │ └──0.37 MB (00.40%) ++ (2 tiny)
│ ├───4.39 MB (04.70%) -- scripts
│ │ ├──2.96 MB (03.17%) ── gc-heap
│ │ └──1.43 MB (01.53%) ── malloc-heap/data
│ ├───3.59 MB (03.84%) -- baseline
│ │ ├──2.96 MB (03.17%) ── fallback-stubs
│ │ └──0.63 MB (00.67%) ── data
│ ├───2.02 MB (02.16%) ++ (8 tiny)
│ ├───1.86 MB (01.99%) ── cross-compartment-wrapper-table
│ └───1.61 MB (01.72%) ++ type-inference
├──18.42 MB (19.72%) ── runtime
└───1.69 MB (01.81%) -- gc-heap
├──1.00 MB (01.07%) ── unused-chunks
└──0.69 MB (00.74%) ++ (2 tiny)
311 (100.0%) -- js-main-runtime-compartments
├──262 (84.24%) -- system
│ ├──239 (76.85%) ++ (237 tiny)
│ ├────8 (02.57%) ── [System Principal], inProcessTabChildGlobal?ownedBy=chrome://browser/content/browser.xul [8]
│ ├────6 (01.93%) ── [System Principal] [6]
│ ├────5 (01.61%) ── [System Principal], jar:file://<anonymized>/XPIProvider.jsm:4314) [5]
│ └────4 (01.29%) ── [System Principal], Addon-SDK (from: resource://gre/modules/commonjs/toolkit/loader.js:414) [4]
└───49 (15.76%) ++ user
44.68 MB (100.0%) -- js-main-runtime-gc-heap-committed
├──39.55 MB (88.52%) -- used
│ ├──38.38 MB (85.90%) -- gc-things
│ │ ├──16.54 MB (37.01%) ── objects
│ │ ├──11.24 MB (25.15%) ── strings
│ │ ├───4.49 MB (10.06%) ── shapes
│ │ ├───2.96 MB (06.63%) ── scripts
│ │ ├───1.23 MB (02.75%) ── object-groups
│ │ ├───0.76 MB (01.71%) ── scopes
│ │ ├───0.76 MB (01.69%) ── lazy-scripts
│ │ └───0.40 MB (00.90%) ++ (3 tiny)
│ ├───0.69 MB (01.54%) ── chunk-admin
│ └───0.48 MB (01.08%) ── arena-admin
└───5.13 MB (11.48%) -- unused
├──4.13 MB (09.24%) -- gc-things
│ ├──2.07 MB (04.63%) ── objects
│ ├──0.76 MB (01.70%) ── strings
│ ├──0.73 MB (01.64%) ++ (7 tiny)
│ └──0.57 MB (01.27%) ── shapes
├──1.00 MB (02.24%) ── chunks
└──0.00 MB (00.00%) ── arenas
0 (100.0%) -- low-memory-events
├──0 (100.0%) ── commit-space
├──0 (100.0%) ── physical
└──0 (100.0%) ── virtual
143 (100.0%) -- message-manager
└──143 (100.0%) -- referent
├──109 (76.22%) -- global-manager
│ ├──109 (76.22%) ── strong
│ └────0 (00.00%) ++ weak
├───24 (16.78%) -- parent-process-manager
│ ├──24 (16.78%) ── strong
│ └───0 (00.00%) ++ weak
└───10 (06.99%) -- child-process-manager
├──10 (06.99%) ── strong
└───0 (00.00%) ++ weak
1,531 (100.0%) -- observer-service
└──1,531 (100.0%) -- referent
├──1,199 (78.31%) ── strong
└────332 (21.69%) -- weak
├──320 (20.90%) ── alive
└───12 (00.78%) ── dead
518 (100.0%) -- observer-service-suspect
├──286 (55.21%) ── referent(topic=memory-pressure)
└──232 (44.79%) ── referent(topic=xpcom-shutdown)
1,207 (100.0%) -- preference-service
└──1,207 (100.0%) -- referent
├──1,048 (86.83%) ── strong
└────159 (13.17%) -- weak
├──159 (13.17%) ── alive
└────0 (00.00%) ── dead
0 (100.0%) -- queued-ipc-messages
└──0 (100.0%) ── content-parent(<anonymized-name>, pid=5728, open channel, 0x10ab7c18, refcnt=18)
48.71 MB (100.0%) -- window-objects
├──24.90 MB (51.11%) -- dom
│ ├──20.00 MB (41.06%) ── orphan-nodes
│ ├───3.44 MB (07.07%) ── element-nodes
│ ├───1.03 MB (02.11%) ── text-nodes
│ └───0.42 MB (00.87%) ++ (4 tiny)
├──16.92 MB (34.74%) -- layout
│ ├───8.26 MB (16.95%) ── frames
│ ├───2.28 MB (04.68%) ── style-structs
│ ├───1.78 MB (03.66%) ── style-sets
│ ├───1.41 MB (02.90%) ── pres-shell
│ ├───0.96 MB (01.96%) ── text-runs
│ ├───0.73 MB (01.49%) ── line-boxes
│ ├───0.59 MB (01.20%) ── style-contexts
│ ├───0.58 MB (01.20%) ── rule-nodes
│ └───0.34 MB (00.69%) ── pres-contexts
├───6.86 MB (14.09%) ── style-sheets
└───0.03 MB (00.06%) ── property-tables
41.05 MB ── d3d11-shared-textures
0.00 MB ── gfx-d2d-vram-draw-target
0.00 MB ── gfx-d2d-vram-source-surface
0.02 MB ── gfx-surface-win32
0.00 MB ── gfx-textures
0.00 MB ── gfx-textures-peak
0.00 MB ── gfx-tiles-waste
0 ── ghost-windows
0.00 MB ── gpu-committed
0.02 MB ── gpu-dedicated
116.80 MB ── gpu-shared
147.41 MB ── heap-allocated
1.00 MB ── heap-chunksize
171.00 MB ── heap-mapped
0.63 MB ── imagelib-surface-cache-estimated-locked
0.93 MB ── imagelib-surface-cache-estimated-total
0 ── imagelib-surface-cache-overflow-count
1.15 MB ── js-main-runtime-temporary-peak
275.45 MB ── private
323.56 MB ── resident
277.73 MB ── resident-unique
7.52 MB ── system-heap-allocated
925.38 MB ── vsize
1,805.94 MB ── vsize-max-contiguous
End of Main Process
Web Content (pid 5728)
Explicit Allocations
17.36 MB (100.0%) -- explicit
├───7.55 MB (43.48%) -- js-non-window
│ ├──3.73 MB (21.50%) -- zones
│ │ ├──2.92 MB (16.84%) -- zone(0x925800)
│ │ │ ├──1.96 MB (11.28%) ++ (65 tiny)
│ │ │ ├──0.36 MB (02.06%) -- shapes
│ │ │ │ ├──0.30 MB (01.72%) -- gc-heap
│ │ │ │ │ ├──0.25 MB (01.42%) ── tree
│ │ │ │ │ └──0.05 MB (00.30%) ++ (2 tiny)
│ │ │ │ └──0.06 MB (00.34%) ++ malloc-heap
│ │ │ ├──0.34 MB (01.96%) ++ compartment([System Principal], Addon-SDK (from: resource://gre/modules/commonjs/toolkit/loader.js:414))
│ │ │ └──0.27 MB (01.54%) ++ compartment([System Principal], resource://gre/modules/commonjs/toolkit/loader.js)
│ │ ├──0.54 MB (03.13%) -- zone(0x921800)
│ │ │ ├──0.46 MB (02.65%) -- strings
│ │ │ │ ├──0.41 MB (02.36%) -- gc-heap
│ │ │ │ │ ├──0.41 MB (02.36%) ── latin1
│ │ │ │ │ └──0.00 MB (00.00%) ── two-byte
│ │ │ │ └──0.05 MB (00.29%) ── malloc-heap/latin1
│ │ │ └──0.08 MB (00.48%) ++ (4 tiny)
│ │ ├──0.24 MB (01.39%) ++ zone(0x922000)
│ │ └──0.02 MB (00.14%) ++ zone(0xbcab800)/compartment(<anonymized-4>)
│ ├──2.77 MB (15.95%) -- runtime
│ │ ├──1.05 MB (06.06%) -- gc
│ │ │ ├──1.00 MB (05.76%) ── nursery-committed
│ │ │ └──0.05 MB (00.30%) ++ (3 tiny)
│ │ ├──0.58 MB (03.36%) ── script-data
│ │ ├──0.56 MB (03.23%) ── shared-immutable-strings-cache
│ │ ├──0.33 MB (01.92%) ── atoms-table
│ │ └──0.24 MB (01.38%) ++ (9 tiny)
│ └──1.05 MB (06.03%) -- gc-heap
│ ├──1.00 MB (05.76%) ── unused-chunks
│ └──0.05 MB (00.27%) ++ (2 tiny)
├───5.65 MB (32.52%) -- heap-overhead
│ ├──2.89 MB (16.63%) ── bin-unused
│ ├──2.58 MB (14.85%) ── page-cache
│ └──0.18 MB (01.04%) ── bookkeeping
├───1.42 MB (08.18%) ── heap-unclassified
├───0.66 MB (03.83%) ── xpti-working-set
├───0.47 MB (02.69%) -- gfx
│ ├──0.47 MB (02.69%) ── font-list
│ └──0.00 MB (00.00%) ++ (4 tiny)
├───0.46 MB (02.67%) -- layout
│ ├──0.32 MB (01.87%) ── style-sheet-cache
│ └──0.14 MB (00.79%) ── rule-processor-cache
├───0.29 MB (01.66%) ── preferences
├───0.23 MB (01.35%) ++ (10 tiny)
├───0.23 MB (01.34%) ++ atom-tables
├───0.20 MB (01.18%) ++ window-objects/top(<anonymized-2147483649>, id=2147483649)
└───0.19 MB (01.10%) ++ xpcom
Other Measurements
4,095.94 MB (100.0%) -- address-space
├──3,618.09 MB (88.33%) ── free(segments=143)
├────253.49 MB (06.19%) -- reserved
│ ├──231.70 MB (05.66%) ── private(segments=176)
│ └───21.79 MB (00.53%) ++ (2 tiny)
└────224.36 MB (05.48%) -- commit
├──148.14 MB (03.62%) -- image
│ ├───90.17 MB (02.20%) ── execute-read(segments=94)
│ ├───50.66 MB (01.24%) ── readonly(segments=206)
│ └────7.31 MB (00.18%) ++ (2 tiny)
├───52.26 MB (01.28%) -- mapped
│ ├──52.00 MB (01.27%) ── readonly(segments=28)
│ └───0.26 MB (00.01%) ++ (2 tiny)
└───23.96 MB (00.58%) ++ private
0.73 MB (100.0%) -- decommitted
└──0.73 MB (100.0%) ── js-non-window/gc-heap/decommitted-arenas
3 (100.0%) -- event-counts
└──3 (100.0%) -- window-objects/top(<anonymized-2147483649>, id=2147483649)/active/window(<anonymized-2147483654>)/dom
├──2 (66.67%) ── event-listeners
└──1 (33.33%) ── event-targets
12.96 MB (100.0%) -- heap-committed
├───7.32 MB (56.45%) ── allocated
└───5.65 MB (43.55%) ── overhead
0.00 MB (100.0%) -- images
└──0.00 MB (100.0%) ── chrome/raster/used/source
7.71 MB (100.0%) -- js-main-runtime
├──2.77 MB (35.92%) ── runtime
├──2.10 MB (27.31%) -- compartments
│ ├──1.19 MB (15.41%) -- classes/objects
│ │ ├──0.80 MB (10.42%) ── gc-heap
│ │ └──0.38 MB (04.98%) -- malloc-heap
│ │ ├──0.38 MB (04.92%) ── slots
│ │ └──0.00 MB (00.06%) ++ (2 tiny)
│ ├──0.31 MB (04.02%) ++ (6 tiny)
│ ├──0.23 MB (02.95%) -- scripts
│ │ ├──0.15 MB (01.97%) ── gc-heap
│ │ └──0.08 MB (00.98%) ── malloc-heap/data
│ ├──0.16 MB (02.08%) ── cross-compartment-wrapper-table
│ ├──0.11 MB (01.43%) ++ type-inference
│ └──0.11 MB (01.42%) -- baseline
│ ├──0.09 MB (01.17%) ── fallback-stubs
│ └──0.02 MB (00.25%) ── data
├──1.79 MB (23.20%) -- zones
│ ├──0.48 MB (06.22%) -- strings
│ │ ├──0.42 MB (05.43%) -- gc-heap
│ │ │ ├──0.42 MB (05.43%) ── latin1
│ │ │ └──0.00 MB (00.00%) ── two-byte
│ │ └──0.06 MB (00.80%) ++ malloc-heap
│ ├──0.43 MB (05.59%) -- shapes
│ │ ├──0.37 MB (04.76%) -- gc-heap
│ │ │ ├──0.29 MB (03.80%) ── tree
│ │ │ └──0.07 MB (00.96%) ++ (2 tiny)
│ │ └──0.06 MB (00.84%) ++ malloc-heap
│ ├──0.27 MB (03.46%) ── unused-gc-things
│ ├──0.17 MB (02.25%) ++ (6 tiny)
│ ├──0.12 MB (01.59%) -- scopes
│ │ ├──0.08 MB (01.08%) ── malloc-heap
│ │ └──0.04 MB (00.51%) ── gc-heap
│ ├──0.12 MB (01.52%) ── type-pool
│ ├──0.11 MB (01.48%) ── shape-tables
│ └──0.08 MB (01.08%) ── object-groups/gc-heap
└──1.05 MB (13.58%) -- gc-heap
├──1.00 MB (12.97%) ── unused-chunks
└──0.05 MB (00.61%) ++ (2 tiny)
61 (100.0%) -- js-main-runtime-compartments
├──57 (93.44%) -- system
│ ├───2 (03.28%) ── [System Principal], Addon-SDK (from: resource://gre/modules/commonjs/toolkit/loader.js:414) [2]
│ ├───1 (01.64%) ── [System Principal], [anonymous sandbox] (from: resource://gre/modules/commonjs/toolkit/loader.js -> resource://devtools/shared/builtin-modules.js:185)
│ ├───1 (01.64%) ── [System Principal], [anonymous sandbox] (from: resource://gre/modules/commonjs/toolkit/loader.js -> resource://devtools/shared/builtin-modules.js:209)
│ ├───1 (01.64%) ── [System Principal], [anonymous sandbox] (from: resource://gre/modules/commonjs/toolkit/loader.js -> resource://devtools/shared/builtin-modules.js:24)
│ ├───1 (01.64%) ── [System Principal], chrome://stylem/content/frame-utils.js
│ ├───1 (01.64%) ── [System Principal], chrome://ublock0/content/frameModule.js
│ ├───1 (01.64%) ── [System Principal], jar:file://<anonymized>/AppsService.js
│ ├───1 (01.64%) ── [System Principal], jar:file://<anonymized>/ContentProcessSingleton.js
│ ├───1 (01.64%) ── [System Principal], jar:file://<anonymized>/nsPrompter.js
│ ├───1 (01.64%) ── [System Principal], jar:file://<anonymized>/PushComponents.js
│ ├───1 (01.64%) ── [System Principal], jar:file://<anonymized>/TelemetryStartup.js
│ ├───1 (01.64%) ── [System Principal], jar:file://<anonymized>/TooltipTextProvider.js
│ ├───1 (01.64%) ── [System Principal], outOfProcessTabChildGlobal
│ ├───1 (01.64%) ── [System Principal], processChildGlobal
│ ├───1 (01.64%) ── [System Principal], resource://devtools/shared/loader-plugin-raw.jsm
│ ├───1 (01.64%) ── [System Principal], resource://devtools/shared/Loader.jsm
│ ├───1 (01.64%) ── [System Principal], resource://gre/modules/AppConstants.jsm
│ ├───1 (01.64%) ── [System Principal], resource://gre/modules/AppsServiceChild.jsm
│ ├───1 (01.64%) ── [System Principal], resource://gre/modules/AppsUtils.jsm
│ ├───1 (01.64%) ── [System Principal], resource://gre/modules/AsyncShutdown.jsm
│ ├───1 (01.64%) ── [System Principal], resource://gre/modules/commonjs/framescript/content.jsm
│ ├───1 (01.64%) ── [System Principal], resource://gre/modules/commonjs/sdk/system/xul-app.jsm
│ ├───1 (01.64%) ── [System Principal], resource://gre/modules/commonjs/toolkit/loader.js
│ ├───1 (01.64%) ── [System Principal], resource://gre/modules/Console.jsm
│ ├───1 (01.64%) ── [System Principal], resource://gre/modules/ctypes.jsm
│ ├───1 (01.64%) ── [System Principal], resource://gre/modules/debug.js
│ ├───1 (01.64%) ── [System Principal], resource://gre/modules/DeferredTask.jsm
│ ├───1 (01.64%) ── [System Principal], resource://gre/modules/jsdebugger.jsm
│ ├───1 (01.64%) ── [System Principal], resource://gre/modules/Log.jsm
│ ├───1 (01.64%) ── [System Principal], resource://gre/modules/NetUtil.jsm
│ ├───1 (01.64%) ── [System Principal], resource://gre/modules/osfile.jsm
│ ├───1 (01.64%) ── [System Principal], resource://gre/modules/osfile/osfile_async_front.jsm
│ ├───1 (01.64%) ── [System Principal], resource://gre/modules/osfile/osfile_native.jsm
│ ├───1 (01.64%) ── [System Principal], resource://gre/modules/osfile/osfile_shared_allthreads.jsm
│ ├───1 (01.64%) ── [System Principal], resource://gre/modules/osfile/osfile_win_allthreads.jsm
│ ├───1 (01.64%) ── [System Principal], resource://gre/modules/osfile/ospath_unix.jsm
│ ├───1 (01.64%) ── [System Principal], resource://gre/modules/osfile/ospath_win.jsm
│ ├───1 (01.64%) ── [System Principal], resource://gre/modules/osfile/ospath.jsm
│ ├───1 (01.64%) ── [System Principal], resource://gre/modules/PageThumbUtils.jsm
│ ├───1 (01.64%) ── [System Principal], resource://gre/modules/Preferences.jsm
│ ├───1 (01.64%) ── [System Principal], resource://gre/modules/PrivateBrowsingUtils.jsm
│ ├───1 (01.64%) ── [System Principal], resource://gre/modules/Promise.jsm
│ ├───1 (01.64%) ── [System Principal], resource://gre/modules/PromiseUtils.jsm
│ ├───1 (01.64%) ── [System Principal], resource://gre/modules/PromiseWorker.jsm
│ ├───1 (01.64%) ── [System Principal], resource://gre/modules/RemotePageManager.jsm
│ ├───1 (01.64%) ── [System Principal], resource://gre/modules/Services.jsm
│ ├───1 (01.64%) ── [System Principal], resource://gre/modules/SharedPromptUtils.jsm
│ ├───1 (01.64%) ── [System Principal], resource://gre/modules/ShimWaiver.jsm
│ ├───1 (01.64%) ── [System Principal], resource://gre/modules/Task.jsm
│ ├───1 (01.64%) ── [System Principal], resource://gre/modules/TelemetryController.jsm
│ ├───1 (01.64%) ── [System Principal], resource://gre/modules/TelemetryUtils.jsm
│ ├───1 (01.64%) ── [System Principal], resource://gre/modules/Timer.jsm
│ ├───1 (01.64%) ── [System Principal], resource://gre/modules/XPCOMUtils.jsm
│ ├───1 (01.64%) ── [System Principal], XPConnect Privileged Junk Compartment
│ ├───1 (01.64%) ── atoms
│ └───1 (01.64%) ── null-principal
└───4 (06.56%) -- user
├──1 (01.64%) ── <anonymized-1>
├──1 (01.64%) ── <anonymized-2>
├──1 (01.64%) ── <anonymized-3>
└──1 (01.64%) ── <anonymized-4>
3.27 MB (100.0%) -- js-main-runtime-gc-heap-committed
├──2.00 MB (61.26%) -- used
│ ├──1.93 MB (59.03%) -- gc-things
│ │ ├──0.80 MB (24.58%) ── objects
│ │ ├──0.42 MB (12.80%) ── strings
│ │ ├──0.35 MB (10.58%) ── shapes
│ │ ├──0.15 MB (04.65%) ── scripts
│ │ ├──0.08 MB (02.54%) ── object-groups
│ │ ├──0.05 MB (01.58%) ── lazy-scripts
│ │ ├──0.04 MB (01.20%) ── scopes
│ │ └──0.04 MB (01.10%) ++ (3 tiny)
│ ├──0.05 MB (01.43%) ── chunk-admin
│ └──0.03 MB (00.79%) ── arena-admin
└──1.27 MB (38.74%) -- unused
├──1.00 MB (30.59%) ── chunks
├──0.27 MB (08.16%) -- gc-things
│ ├──0.08 MB (02.57%) ── objects
│ ├──0.07 MB (02.08%) ── strings
│ ├──0.06 MB (01.91%) ++ (7 tiny)
│ └──0.05 MB (01.60%) ── object-groups
└──0.00 MB (00.00%) ── arenas
0 (100.0%) -- low-memory-events
├──0 (100.0%) ── commit-space
├──0 (100.0%) ── physical
└──0 (100.0%) ── virtual
22 (100.0%) -- message-manager
└──22 (100.0%) -- referent/child-process-manager
├──22 (100.0%) ── strong
└───0 (00.00%) ++ weak
207 (100.0%) -- observer-service
└──207 (100.0%) -- referent
├──136 (65.70%) ── strong
└───71 (34.30%) -- weak
├──71 (34.30%) ── alive
└───0 (00.00%) ── dead
572 (100.0%) -- preference-service
└──572 (100.0%) -- referent
├──538 (94.06%) ── strong
└───34 (05.94%) -- weak
├──34 (05.94%) ── alive
└───0 (00.00%) ── dead
0.04 MB (100.0%) -- window-objects
├──0.04 MB (88.41%) -- layout
│ ├──0.01 MB (33.18%) ── style-structs
│ ├──0.01 MB (25.72%) ── pres-shell
│ ├──0.00 MB (08.75%) ── style-sets
│ ├──0.00 MB (08.14%) ── rule-nodes
│ ├──0.00 MB (05.21%) ── frames
│ ├──0.00 MB (04.58%) ── style-contexts
│ ├──0.00 MB (02.71%) ── pres-contexts
│ └──0.00 MB (00.12%) ++ (2 tiny)
├──0.00 MB (10.40%) -- dom
│ ├──0.00 MB (09.60%) ── other
│ └──0.00 MB (00.80%) ++ (5 tiny)
└──0.00 MB (01.20%) ++ (2 tiny)
0.00 MB ── gfx-d2d-vram-draw-target
0.00 MB ── gfx-d2d-vram-source-surface
0.00 MB ── gfx-surface-win32
0.00 MB ── gfx-textures
0.00 MB ── gfx-textures-peak
0.00 MB ── gfx-tiles-waste
0 ── ghost-windows
0.00 MB ── gpu-committed
0.02 MB ── gpu-dedicated
0.36 MB ── gpu-shared
7.32 MB ── heap-allocated
1.00 MB ── heap-chunksize
21.00 MB ── heap-mapped
0.00 MB ── imagelib-surface-cache-estimated-locked
0.00 MB ── imagelib-surface-cache-estimated-total
0 ── imagelib-surface-cache-overflow-count
1.15 MB ── js-main-runtime-temporary-peak
33.17 MB ── private
61.59 MB ── resident
23.29 MB ── resident-unique
1.15 MB ── system-heap-allocated
477.79 MB ── vsize
1,805.94 MB ── vsize-max-contiguous
End of Web Content (pid 5728)
Code: Select all
"C:\Program Files (x86)\Pale Moon\palemoon.exe" -contentproc --channel="4300.0.1418281350\968391835" -greomni "C:\Program Files (x86)\Pale Moon\omni.ja" -appomni "C:\Program Files (x86)\Pale Moon\browser\omni.ja" -appdir "C:\Program Files (x86)\Pale Moon\browser" 4300 tab