third_party/tcmalloc/vendor/doc/pageheap.dot

   1 digraph PageHeap {
   2 rankdir=LR
   3 node [shape=box, width=0.3, height=0.3]
   4 nodesep=.05
   5
   6 heap [shape=record, height=3, label="<f0>1 page|<f1>2 pages|<f2>3 pages|...|<f255>255 pages|<frest>rest"]
   7 O0 [shape=record, label=""]
   8 O1 [shape=record, label=""]
   9 O2 [shape=record, label="{|}"]
  10 O3 [shape=record, label="{|}"]
  11 O4 [shape=record, label="{||}"]
  12 O5 [shape=record, label="{||}"]
  13 O6 [shape=record, label="{|...|}"]
  14 O7 [shape=record, label="{|...|}"]
  15 O8 [shape=record, label="{|.....|}"]
  16 O9 [shape=record, label="{|.....|}"]
  17 sep1 [shape=plaintext, label="..."]
  18 sep2 [shape=plaintext, label="..."]
  19 sep3 [shape=plaintext, label="..."]
  20 sep4 [shape=plaintext, label="..."]
  21 sep5 [shape=plaintext, label="..."]
  22
  23 heap:f0 -> O0 -> O1 -> sep1
  24 heap:f1 -> O2 -> O3 -> sep2
  25 heap:f2 -> O4 -> O5 -> sep3
  26 heap:f255 -> O6 -> O7 -> sep4
  27 heap:frest -> O8 -> O9 -> sep5
  28
  29 }