tools/perf/generate_perf_sharding

#!/usr/bin/env python
# Copyright 2017 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.

"""Generates perf benchmark sharding map.

We shard our benchmarks across multiple machines, when we run these benchmarks
on the buildbot waterfall. This allows us to cut the runtime by the number of
devices we shard to.

Run -h to see available commands.
"""

import sys

from core import sharding_map_generator
from core import perf_data_generator


if __name__ == '__main__':
  parser = sharding_map_generator.get_args()
  args = parser.parse_args()

  # Parse args and generate data here to avoid circular dependencies between
  # sharding_map_generator.py and perf_data_generator.py
  benchmarks = perf_data_generator.current_benchmarks()

  configs = {
      'chromium.perf': perf_data_generator.get_waterfall_config(),
      'chromium.perf.fyi': perf_data_generator.get_fyi_waterfall_config(),
  }
  sys.exit(sharding_map_generator.main(args, benchmarks, configs))