Squashed 'third_party/gperftools/' content from commit 54505f1
Change-Id: Id02e833828732b0efe7dac722b8485279e67c5fa
git-subtree-dir: third_party/gperftools
git-subtree-split: 54505f1d50c2d1f4676f5e87090b64a117fd980e
diff --git a/doc/threadheap.dot b/doc/threadheap.dot
new file mode 100644
index 0000000..b2dba72
--- /dev/null
+++ b/doc/threadheap.dot
@@ -0,0 +1,21 @@
+digraph ThreadHeap {
+rankdir=LR
+node [shape=box, width=0.3, height=0.3]
+nodesep=.05
+
+heap [shape=record, height=2, label="<f0>class 0|<f1>class 1|<f2>class 2|..."]
+O0 [label=""]
+O1 [label=""]
+O2 [label=""]
+O3 [label=""]
+O4 [label=""]
+O5 [label=""]
+sep1 [shape=plaintext, label="..."]
+sep2 [shape=plaintext, label="..."]
+sep3 [shape=plaintext, label="..."]
+
+heap:f0 -> O0 -> O1 -> sep1
+heap:f1 -> O2 -> O3 -> sep2
+heap:f2 -> O4 -> O5 -> sep3
+
+}