Double Builds for Blimp Integration Test Infrastructure on FYI bot

scripts/slave/recipe_modules/pgo/api.py

 # Copyright 2014 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 from recipe_engine import recipe_api
 
 
 # List of the benchmark that we run during the profiling step.
 #
 # TODO(sebmarchand): Move this into a BenchmarkSuite in telemetry, this way
@@ skipping 38 matching lines @@
     """
     Generates the instrumented version of the binaries.
     """
     self.m.chromium.set_config(bot_config['chromium_config_instrument'],
                                **bot_config.get('chromium_config_kwargs'))
     self.m.chromium.runhooks(name='Runhooks: Instrumentation phase.')
     self.m.chromium.run_mb(
         self.m.properties['mastername'],
         self.m.properties['buildername'],
         use_goma=False,
-        phase=1)
+        phase='pgo_phase_1')

[Dirk Pranke, 2016/10/07 19:03:04]

See my comments in https://codereview.chromium.org/2391343002/ about how we
can't easily change the phase arg for the official builders, and so we should
probably leave these alone as well. 

     # Remove the profile files from the previous builds.
     self.m.file.rmwildcard('*.pg[cd]', str(self.m.chromium.output_dir))
     self.m.chromium.compile(name='Compile: Instrumentation phase.')
 
   def _run_pgo_benchmarks(self):
     """
     Run a suite of telemetry benchmarks to generate some profiling data.
     """
     for benchmark in _BENCHMARKS_TO_RUN:
       try:
@@ skipping 18 matching lines @@
     """
     Generates the optimized version of the binaries.
     """
     self.m.chromium.set_config(bot_config['chromium_config_optimize'],
                                **bot_config.get('chromium_config_kwargs'))
     self.m.chromium.runhooks(name='Runhooks: Optimization phase.')
     self.m.chromium.run_mb(
         self.m.properties['mastername'],
         self.m.properties['buildername'],
         use_goma=False,
-        phase=2)
+        phase='pgo_phase_2')
     self.m.chromium.compile(name='Compile: Optimization phase.')
 
   def compile_pgo(self, bot_config):
     """
     Do a PGO build. This takes care of building an instrumented image, profiling
     it and then compiling the optimized version of it.
     """
     self.m.gclient.set_config(bot_config['gclient_config'])
 
     # Augment the DEPS path if needed.
@@ skipping 11 matching lines @@
 
     # First step: compilation of the instrumented build.
     self._compile_instrumented_image(bot_config)
 
     # Second step: profiling of the instrumented build.
     self._run_pgo_benchmarks()
 
     # Third step: Compilation of the optimized build, this will use the
     #     profile data files produced by the previous step.
     self._compile_optimized_image(bot_config)