──149.79 MB (11.34%) -- top(http://netdata.firehol.org/, id=926)
  ├──120.99 MB (09.16%) -- active/window(http://netdata.firehol.org/)
  │  ├───92.51 MB (07.00%) -- js-compartment(http://netdata.firehol.org/)
  │  │   ├──82.50 MB (06.24%) -- classes
  │  │   │  ├──38.02 MB (02.88%) -- class(Object)
  │  │   │  │  ├──36.03 MB (02.73%) -- objects
  │  │   │  │  │  ├──24.87 MB (01.88%) ── gc-heap [2]
  │  │   │  │  │  └──11.16 MB (00.84%) ++ malloc-heap
  │  │   │  │  └───1.99 MB (00.15%) ++ shapes
  │  │   │  ├──33.22 MB (02.51%) -- class(Array)
  │  │   │  │  ├──32.80 MB (02.48%) -- objects
  │  │   │  │  │  ├──26.17 MB (01.98%) ── gc-heap [2]
  │  │   │  │  │  └───6.63 MB (00.50%) ++ malloc-heap
  │  │   │  │  └───0.42 MB (00.03%) ++ shapes
  │  │   │  └──11.25 MB (00.85%) ++ (19 tiny)
  │  │   └──10.01 MB (00.76%) ++ (7 tiny)
  │  ├───17.08 MB (01.29%) ++ dom
  │  └───11.40 MB (00.86%) ++ (3 tiny)
  ├───14.98 MB (01.13%) ++ js-zone(0x7f2d00f10000)
  └───13.82 MB (01.05%) ++ cached/window(http://netdata.firehol.org/#system)