1 files changed, 41 insertions, 0 deletions
diff --git a/scripts/maint/display_callgraph.py b/scripts/maint/display_callgraph.py
new file mode 100755
index 0000000000..c9001c6d96
--- /dev/null
+++ b/scripts/maint/display_callgraph.py
@@ -0,0 +1,41 @@
+#!/usr/bin/python
+
+import cPickle
+
+data = cPickle.load(open("callgraph.pkl"))
+
+# data = data['modItems']
+
+callgraph = data['callgraph']
+closure = data['closure']
+sccs = data['sccs']
+fn_bottle, call_bottle = data['bottlenecks']
+
+for n_reachable, fn in sorted(list((len(r), fn) for fn, r in closure.iteritems())):
+   print "%s can reach %s other functions." %(fn, n_reachable)
+
+
+c = [ (len(component), component) for component in sccs ]
+c.sort()
+
+print "\n================================"
+
+for n, component in c:
+   if n < 2:
+      continue
+   print "Strongly connected component of size %d:"%n
+   print component
+
+
+print "\n================================"
+
+print "====== Number of functions pulled into blob, by function in blob."
+fn_bottle.sort()
+for n, fn in fn_bottle[-30:]:
+   print "%3d: %s"%(n, fn)
+
+print "====== Number of functions pulled into blob, by call in blob."
+call_bottle.sort()
+for n, fn1, _, fn2 in call_bottle[-30:]:
+   print "%3d: %s -> %s "%(n, fn2, fn1)
+