WIP to improve Telemetry logging

telemetry/telemetry/benchmark_runner.py

Index: telemetry/telemetry/benchmark_runner.py
diff --git a/telemetry/telemetry/benchmark_runner.py b/telemetry/telemetry/benchmark_runner.py
index 60648a0688f1fce4b5c615b16a03a9a59c88e42e..93ccdcbfb6dffaccc4d972c2c59365582a86bf9e 100644
--- a/telemetry/telemetry/benchmark_runner.py
+++ b/telemetry/telemetry/benchmark_runner.py
@@ -18,6 +18,7 @@ from telemetry.internal.browser import browser_options
 from telemetry.internal.util import binary_manager
 from telemetry.internal.util import command_line
 from telemetry.internal.util import ps_util
+from telemetry.internal.util import log_stream
 from telemetry.util import matching
 
 from py_utils import discover
@@ -286,6 +287,8 @@ def main(environment, extra_commands=None, **log_config_kwargs):
   logging.getLogger().handlers = []
   log_config_kwargs.pop('level', None)
   log_config_kwargs.setdefault('format', DEFAULT_LOG_FORMAT)
+  stream = log_stream.InitiateLogStream()
+  log_config_kwargs.setdefault('stream', stream)
   logging.basicConfig(**log_config_kwargs)
 
   ps_util.EnableListingStrayProcessesUponExitHook()