[interpreter] Add relative numbers to dispatch report

tools/ignition/bytecode_dispatches_report_test.py

Index: tools/ignition/bytecode_dispatches_report_test.py
diff --git a/tools/ignition/bytecode_dispatches_report_test.py b/tools/ignition/bytecode_dispatches_report_test.py
index 523dac2960d8da5e0d2ca9f31288e6201a80b041..0a4e3e9be775a124f059838f5e6368c62b64e12e 100644
--- a/tools/ignition/bytecode_dispatches_report_test.py
+++ b/tools/ignition/bytecode_dispatches_report_test.py
@@ -43,12 +43,18 @@ class BytecodeDispatchesReportTest(unittest.TestCase):
     ])
 
   def test_find_top_dispatch_sources(self):
-    top_dispatch_sources = bdr.find_top_dispatch_sources({
-      "a": {"a": 10, "b":  8, "c":  7},
+    d = {
+      "a": {"a":  4, "b":  2, "c":  4},
       "b": {"a":  1, "c":  4},
-      "c": {"a": 42, "b": 12, "c": 99}
-    }, "b", 10)
-    self.assertListEqual(top_dispatch_sources, [
-      ("c", 12),
-      ("a",  8)
+      "c": {"a": 40, "b": 10, "c": 50}
+    }
+    top_sources, top_destinations = bdr.find_top_dispatch_sources(d, "b", 10, False)
+    self.assertListEqual(top_sources, [
+      ("c", (10, 0.1)),
+      ("a", (2, 0.2))
+    ])
+    top_sources, top_destinations = bdr.find_top_dispatch_sources(d, "b", 10, True)
+    self.assertListEqual(top_sources, [
+      ("a",  (2, 0.2)),
+      ("c", (10, 0.1))
     ])