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Firefox Memory Report

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Sep 19th, 2015
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  1. Main Process
  2. Explicit Allocations
  3.  
  4. 123.97 MB (100.0%) -- explicit
  5. ├───47.39 MB (38.22%) -- js-non-window
  6. │ ├──35.12 MB (28.33%) -- zones
  7. │ │ ├──32.23 MB (25.99%) -- zone(0xb608c00)
  8. │ │ │ ├──22.53 MB (18.18%) ++ (348 tiny)
  9. │ │ │ ├───4.09 MB (03.30%) ── unused-gc-things
  10. │ │ │ ├───4.07 MB (03.28%) -- compartment([System Principal], inProcessTabChildGlobal?ownedBy=chrome://browser/content/browser.xul)
  11. │ │ │ │ ├──2.63 MB (02.12%) ++ classes
  12. │ │ │ │ └──1.43 MB (01.16%) ++ (4 tiny)
  13. │ │ │ └───1.53 MB (01.24%) ++ strings
  14. │ │ ├───2.55 MB (02.06%) -- zone(0xb605800)
  15. │ │ │ ├──2.41 MB (01.94%) -- strings/string(<non-notable strings>)
  16. │ │ │ │ ├──1.48 MB (01.19%) -- gc-heap
  17. │ │ │ │ │ ├──1.47 MB (01.19%) ── latin1
  18. │ │ │ │ │ └──0.01 MB (00.01%) ── two-byte
  19. │ │ │ │ └──0.93 MB (00.75%) ++ malloc-heap
  20. │ │ │ └──0.14 MB (00.12%) ++ (5 tiny)
  21. │ │ └───0.35 MB (00.28%) ++ (7 tiny)
  22. │ ├──10.61 MB (08.56%) -- runtime
  23. │ │ ├───5.19 MB (04.19%) ── script-data
  24. │ │ ├───2.08 MB (01.68%) ── atoms-table
  25. │ │ ├───1.38 MB (01.11%) ++ gc
  26. │ │ ├───1.28 MB (01.04%) ++ script-sources
  27. │ │ └───0.67 MB (00.54%) ++ (9 tiny)
  28. │ └───1.66 MB (01.34%) ++ gc-heap
  29. ├───26.70 MB (21.53%) -- heap-overhead
  30. │ ├──22.42 MB (18.09%) ── bin-unused
  31. │ ├───2.92 MB (02.35%) ── page-cache
  32. │ ├───1.36 MB (01.09%) ── bookkeeping
  33. │ └───0.00 MB (00.00%) ── waste
  34. ├───13.60 MB (10.97%) ── heap-unclassified
  35. ├───12.38 MB (09.99%) -- window-objects
  36. │ ├───5.86 MB (04.73%) ++ (25 tiny)
  37. │ ├───4.84 MB (03.90%) -- top(chrome://browser/content/browser.xul, id=3)
  38. │ │ ├──4.23 MB (03.41%) -- active
  39. │ │ │ ├──4.17 MB (03.36%) -- window(chrome://browser/content/browser.xul)
  40. │ │ │ │ ├──2.49 MB (02.00%) ++ (4 tiny)
  41. │ │ │ │ └──1.68 MB (01.36%) ++ js-compartment([System Principal], about:blank)
  42. │ │ │ └──0.06 MB (00.05%) ++ window(about:blank)
  43. │ │ └──0.61 MB (00.49%) ++ js-zone(0xf668000)
  44. │ └───1.68 MB (01.36%) -- top(about:memory, id=52)
  45. │ ├──1.29 MB (01.04%) ++ js-zone(0x19ea5c00)
  46. │ └──0.39 MB (00.31%) ++ active/window(about:memory)
  47. ├────5.68 MB (04.58%) -- startup-cache
  48. │ ├──5.68 MB (04.58%) ── data
  49. │ └──0.00 MB (00.00%) ── mapping
  50. ├────5.03 MB (04.06%) -- storage
  51. │ ├──3.72 MB (03.00%) -- prefix-set
  52. │ │ ├──2.37 MB (01.91%) ++ (7 tiny)
  53. │ │ └──1.35 MB (01.09%) ── goog-phish-shavar
  54. │ └──1.31 MB (01.06%) ++ sqlite
  55. ├────4.27 MB (03.45%) ++ (15 tiny)
  56. ├────3.68 MB (02.97%) -- workers/workers(chrome)
  57. │ ├──1.90 MB (01.53%) -- worker(resource://gre/modules/osfile/osfile_async_worker.js, 0xd36c000)
  58. │ │ ├──1.39 MB (01.12%) ++ runtime
  59. │ │ └──0.50 MB (00.41%) ++ (3 tiny)
  60. │ └──1.78 MB (01.44%) -- worker(resource:///modules/sessionstore/SessionWorker.js, 0x13b41c00)
  61. │ ├──1.37 MB (01.11%) ++ runtime
  62. │ └──0.41 MB (00.33%) ++ (3 tiny)
  63. ├────2.19 MB (01.77%) -- images
  64. │ ├──1.77 MB (01.43%) ++ content/raster/used
  65. │ └──0.42 MB (00.34%) ++ (2 tiny)
  66. ├────1.72 MB (01.39%) ++ xpconnect
  67. └────1.34 MB (01.08%) ++ add-ons
  68.  
  69. Other Measurements
  70.  
  71. 4,095.94 MB (100.0%) -- address-space
  72. ├──3,434.82 MB (83.86%) ── free [300]
  73. ├────433.46 MB (10.58%) -- commit
  74. │ ├──174.07 MB (04.25%) -- private
  75. │ │ ├──164.13 MB (04.01%) ── readwrite [1744]
  76. │ │ └────9.95 MB (00.24%) ++ (7 tiny)
  77. │ ├──132.06 MB (03.22%) -- mapped
  78. │ │ ├──108.43 MB (02.65%) ── readonly [65]
  79. │ │ └───23.63 MB (00.58%) ++ (2 tiny)
  80. │ └──127.33 MB (03.11%) -- image
  81. │ ├───80.03 MB (01.95%) ── execute-read [121]
  82. │ ├───43.30 MB (01.06%) ── readonly [272]
  83. │ └────4.00 MB (00.10%) ++ (2 tiny)
  84. └────227.65 MB (05.56%) -- reserved
  85. ├──202.32 MB (04.94%) ── private [1616]
  86. └───25.33 MB (00.62%) ++ (2 tiny)
  87.  
  88. 27.54 MB (100.0%) -- decommitted
  89. ├──26.25 MB (95.35%) -- js-non-window
  90. │ ├──15.00 MB (54.48%) ── runtime/gc/nursery-decommitted
  91. │ └──11.25 MB (40.87%) ── gc-heap/decommitted-arenas
  92. └───1.28 MB (04.65%) -- workers/workers(chrome)
  93. ├──0.68 MB (02.47%) -- worker(resource:///modules/sessionstore/SessionWorker.js, 0x13b41c00)
  94. │ ├──0.68 MB (02.47%) ── gc-heap/decommitted-arenas
  95. │ └──0.00 MB (00.00%) ── runtime/gc/nursery-decommitted
  96. └──0.60 MB (02.18%) -- worker(resource://gre/modules/osfile/osfile_async_worker.js, 0xd36c000)
  97. ├──0.60 MB (02.18%) ── gc-heap/decommitted-arenas
  98. └──0.00 MB (00.00%) ── runtime/gc/nursery-decommitted
  99.  
  100. 1,920 (100.0%) -- event-counts
  101. └──1,920 (100.0%) -- window-objects
  102. ├──1,538 (80.10%) -- top(chrome://browser/content/browser.xul, id=3)/active
  103. │ ├──1,537 (80.05%) -- window(chrome://browser/content/browser.xul)/dom
  104. │ │ ├──1,535 (79.95%) ── event-listeners
  105. │ │ └──────2 (00.10%) ── event-targets
  106. │ └──────1 (00.05%) ── window(about:blank)/dom/event-targets
  107. ├────235 (12.24%) -- top(about:newtab, id=54)/active/window(about:newtab)/dom
  108. │ ├──234 (12.19%) ── event-listeners
  109. │ └────1 (00.05%) ── event-targets
  110. ├────105 (05.47%) ++ (24 tiny)
  111. └─────42 (02.19%) -- top(http://webchat.freenode.net/, id=82)/active/window(http://webchat.freenode.net/)/dom
  112. ├──41 (02.14%) ── event-listeners
  113. └───1 (00.05%) ── event-targets
  114.  
  115. 2.19 MB (100.0%) -- images
  116. ├──1.77 MB (80.72%) -- content/raster/used
  117. │ ├──1.76 MB (80.62%) ── source
  118. │ └──0.00 MB (00.10%) ── decoded-heap
  119. ├──0.42 MB (19.27%) -- chrome
  120. │ ├──0.28 MB (12.97%) -- vector/used
  121. │ │ ├──0.28 MB (12.96%) ── source
  122. │ │ └──0.00 MB (00.00%) ── decoded-heap
  123. │ └──0.14 MB (06.31%) -- raster/used
  124. │ ├──0.09 MB (04.33%) ── source
  125. │ └──0.04 MB (01.97%) ── decoded-heap
  126. └──0.00 MB (00.01%) ── uncached/raster/unused/source
  127.  
  128. 57.02 MB (100.0%) -- js-main-runtime
  129. ├──31.18 MB (54.68%) -- compartments
  130. │ ├──21.70 MB (38.06%) -- classes
  131. │ │ ├──13.47 MB (23.63%) -- objects
  132. │ │ │ ├───9.64 MB (16.91%) ── gc-heap
  133. │ │ │ └───3.83 MB (06.72%) -- malloc-heap
  134. │ │ │ ├──3.61 MB (06.33%) ── slots
  135. │ │ │ └──0.22 MB (00.39%) ++ (2 tiny)
  136. │ │ └───8.23 MB (14.43%) -- shapes
  137. │ │ ├──6.60 MB (11.57%) -- gc-heap
  138. │ │ │ ├──4.96 MB (08.69%) ── tree
  139. │ │ │ ├──1.09 MB (01.92%) ── dict
  140. │ │ │ └──0.55 MB (00.96%) ── base
  141. │ │ └──1.63 MB (02.87%) -- malloc-heap
  142. │ │ ├──0.91 MB (01.60%) ++ (2 tiny)
  143. │ │ └──0.72 MB (01.27%) ── tree-kids
  144. │ ├───4.64 MB (08.14%) -- scripts
  145. │ │ ├──3.80 MB (06.67%) ── gc-heap
  146. │ │ └──0.84 MB (01.46%) ── malloc-heap/data
  147. │ ├───2.02 MB (03.54%) ── compartment-tables
  148. │ ├───1.20 MB (02.10%) ── cross-compartment-wrapper-table
  149. │ ├───1.01 MB (01.78%) ++ type-inference
  150. │ └───0.61 MB (01.06%) ++ (4 tiny)
  151. ├──13.58 MB (23.81%) -- zones
  152. │ ├───6.10 MB (10.69%) ── unused-gc-things
  153. │ ├───5.13 MB (09.00%) -- strings
  154. │ │ ├──2.58 MB (04.52%) -- malloc-heap
  155. │ │ │ ├──2.49 MB (04.37%) ── latin1
  156. │ │ │ └──0.09 MB (00.15%) ── two-byte
  157. │ │ └──2.55 MB (04.48%) -- gc-heap
  158. │ │ ├──2.48 MB (04.35%) ── latin1
  159. │ │ └──0.07 MB (00.13%) ── two-byte
  160. │ ├───1.09 MB (01.91%) -- object-groups
  161. │ │ ├──1.06 MB (01.86%) ── gc-heap
  162. │ │ └──0.03 MB (00.05%) ── malloc-heap
  163. │ ├───0.84 MB (01.48%) ── type-pool
  164. │ └───0.42 MB (00.73%) ++ (5 tiny)
  165. ├──10.61 MB (18.61%) ── runtime
  166. └───1.66 MB (02.90%) -- gc-heap
  167. ├──1.00 MB (01.75%) ── unused-chunks
  168. ├──0.66 MB (01.15%) ── chunk-admin
  169. └──0.00 MB (00.00%) ── unused-arenas
  170.  
  171. 594 (100.0%) -- js-main-runtime-compartments
  172. ├──561 (94.44%) -- system
  173. │ ├──537 (90.40%) ++ (399 tiny)
  174. │ └───24 (04.04%) ── [System Principal], inProcessTabChildGlobal?ownedBy=chrome://browser/content/browser.xul [24]
  175. └───33 (05.56%) -- user
  176. ├──21 (03.54%) ── about:blank [21]
  177. └──12 (02.02%) ++ (11 tiny)
  178.  
  179. 31.75 MB (100.0%) -- js-main-runtime-gc-heap-committed
  180. ├──24.65 MB (77.65%) -- used
  181. │ ├──23.78 MB (74.92%) -- gc-things
  182. │ │ ├───9.64 MB (30.37%) ── objects
  183. │ │ ├───6.05 MB (19.06%) ── shapes
  184. │ │ ├───3.80 MB (11.98%) ── scripts
  185. │ │ ├───2.55 MB (08.05%) ── strings
  186. │ │ ├───1.06 MB (03.33%) ── object-groups
  187. │ │ ├───0.55 MB (01.72%) ── base-shapes
  188. │ │ └───0.13 MB (00.41%) ++ (3 tiny)
  189. │ ├───0.66 MB (02.07%) ── chunk-admin
  190. │ └───0.21 MB (00.66%) ── arena-admin
  191. └───7.10 MB (22.35%) -- unused
  192. ├──6.10 MB (19.20%) -- gc-things
  193. │ ├──2.35 MB (07.40%) ── shapes
  194. │ ├──1.19 MB (03.75%) ── strings
  195. │ ├──1.05 MB (03.30%) ── object-groups
  196. │ ├──0.85 MB (02.67%) ── objects
  197. │ └──0.66 MB (02.08%) ++ (5 tiny)
  198. ├──1.00 MB (03.15%) ── chunks
  199. └──0.00 MB (00.00%) ── arenas
  200.  
  201. 0 (100.0%) -- low-memory-events
  202. ├──0 (100.0%) ── physical
  203. └──0 (100.0%) ── virtual
  204.  
  205. 304 (100.0%) -- message-manager
  206. └──304 (100.0%) -- referent
  207. ├──217 (71.38%) -- global-manager
  208. │ ├──217 (71.38%) ── strong
  209. │ └────0 (00.00%) ++ weak
  210. ├───74 (24.34%) -- parent-process-manager
  211. │ ├──74 (24.34%) ── strong
  212. │ └───0 (00.00%) ++ weak
  213. └───13 (04.28%) -- child-process-manager
  214. ├──12 (03.95%) ── strong
  215. └───1 (00.33%) ++ weak
  216.  
  217. 1,102 (100.0%) -- observer-service
  218. └──1,102 (100.0%) -- referent
  219. ├────907 (82.30%) ── strong
  220. └────195 (17.70%) -- weak
  221. ├──194 (17.60%) ── alive
  222. └────1 (00.09%) ── dead
  223.  
  224. 330 (100.0%) -- observer-service-suspect
  225. ├──119 (36.06%) ── referent(topic=sdk:loader:destroy)
  226. ├──110 (33.33%) ── referent(topic=xpcom-shutdown)
  227. └──101 (30.61%) ── referent(topic=memory-pressure)
  228.  
  229. 802 (100.0%) -- preference-service
  230. └──802 (100.0%) -- referent
  231. ├──637 (79.43%) ── strong
  232. └──165 (20.57%) -- weak
  233. ├──165 (20.57%) ── alive
  234. └────0 (00.00%) ── dead
  235.  
  236. 4.09 MB (100.0%) -- window-objects
  237. ├──2.28 MB (55.67%) -- layout
  238. │ ├──1.24 MB (30.33%) ── style-sets
  239. │ ├──0.65 MB (15.81%) ── pres-shell
  240. │ ├──0.16 MB (03.97%) ── frames
  241. │ ├──0.10 MB (02.48%) ── rule-nodes
  242. │ ├──0.09 MB (02.10%) ── style-contexts
  243. │ └──0.04 MB (00.98%) ++ (3 tiny)
  244. ├──1.06 MB (25.98%) ── style-sheets
  245. ├──0.75 MB (18.31%) -- dom
  246. │ ├──0.43 MB (10.45%) ── element-nodes
  247. │ ├──0.26 MB (06.34%) ── other
  248. │ ├──0.05 MB (01.15%) ── text-nodes
  249. │ └──0.02 MB (00.37%) ++ (4 tiny)
  250. └──0.00 MB (00.05%) ── property-tables
  251.  
  252. 17.60 MB ── d3d11-shared-textures
  253. 0.00 MB ── d3d9-shared-texture
  254. 0.00 MB ── d3d9-shared-textures
  255. 0.00 MB ── d3d9-surface-image
  256. 0.00 MB ── gfx-d2d-surface-cache
  257. 4.00 MB ── gfx-d2d-surface-vram
  258. 0.00 MB ── gfx-d2d-vram-draw-target
  259. 0.00 MB ── gfx-d2d-vram-source-surface
  260. 0.01 MB ── gfx-surface-win32
  261. 0.00 MB ── gfx-textures
  262. 0.00 MB ── gfx-tiles-waste
  263. 0 ── ghost-windows
  264. 46.67 MB ── gpu-committed
  265. 59.36 MB ── gpu-dedicated
  266. 6.54 MB ── gpu-shared
  267. 61.24 MB ── heap-allocated
  268. 128 ── heap-chunks
  269. 1.00 MB ── heap-chunksize
  270. 65.52 MB ── heap-committed
  271. 128.00 MB ── heap-mapped
  272. 6.97% ── heap-overhead-ratio
  273. 0.81 MB ── imagelib-surface-cache-estimated-locked
  274. 1.21 MB ── imagelib-surface-cache-estimated-total
  275. 0.38 MB ── js-main-runtime-temporary-peak
  276. 0 ── low-commit-space-events
  277. 215.73 MB ── private
  278. 203.38 MB ── resident
  279. 662.79 MB ── vsize
  280. 1,805.94 MB ── vsize-max-contiguous
  281.  
  282. End of Main Process
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