diff options
Diffstat (limited to 'build')
-rw-r--r-- | build/android/pylib/perf/test_runner.py | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/build/android/pylib/perf/test_runner.py b/build/android/pylib/perf/test_runner.py index 991fc00..0f464c3 100644 --- a/build/android/pylib/perf/test_runner.py +++ b/build/android/pylib/perf/test_runner.py @@ -233,8 +233,15 @@ class TestRunner(base_test_runner.BaseTestRunner): return '' json_output_path = os.path.join(self._output_dir, 'results-chart.json') - with open(json_output_path) as f: - return f.read() + try: + with open(json_output_path) as f: + return f.read() + except IOError: + logging.exception('Exception when reading chartjson.') + logging.error('This usually means that telemetry did not run, so it could' + ' not generate the file. Please check the device running' + ' the test.') + return '' def _LaunchPerfTest(self, test_name): """Runs a perf test. |