diff --git a/tools/e2e_quality/audio/run_audio_test.py b/tools/e2e_quality/audio/run_audio_test.py
index da780144fe..ae1b09c524 100755
--- a/tools/e2e_quality/audio/run_audio_test.py
+++ b/tools/e2e_quality/audio/run_audio_test.py
@@ -122,7 +122,7 @@ def main(argv):
     value = ''.join(re.findall(options.regexp, output))
 
     perf.perf_utils.PrintPerfResult(graph_name='audio_e2e_score',
-                                    series_name='e2e score',
+                                    series_name='e2e_score',
                                     data_point=value,
                                     units='MOS')  # Assuming we run PESQ.
 
diff --git a/tools/perf_expectations/README b/tools/perf_expectations/README
new file mode 100644
index 0000000000..87c6087e84
--- /dev/null
+++ b/tools/perf_expectations/README
@@ -0,0 +1 @@
+See https://sites.google.com/a/google.com/rtc-platform/engineering/managing-performance-expectations.
\ No newline at end of file
diff --git a/tools/perf_expectations/perf_expectations.json b/tools/perf_expectations/perf_expectations.json
new file mode 100644
index 0000000000..fe520b0b65
--- /dev/null
+++ b/tools/perf_expectations/perf_expectations.json
@@ -0,0 +1,3 @@
+{"linux-large-tests/audio_e2e_test/audio_e2e_score/e2e_score": {"reva": 3268, "revb": 3329, "type": "absolute", "better": "higher", "improve": 4.6557, "regress": 3.83895, "sha1": "c10a1507"},
+ "load": true
+}
diff --git a/tools/perf_expectations/webrtc_perf_expectations.cfg b/tools/perf_expectations/webrtc_perf_expectations.cfg
new file mode 100644
index 0000000000..21944afbdc
--- /dev/null
+++ b/tools/perf_expectations/webrtc_perf_expectations.cfg
@@ -0,0 +1,4 @@
+{
+  "base_url": "http://www.corp.google.com/~webrtc-cb/perf/",
+  "perf_file": "perf_expectations.json"
+}