CT Perf recipe to run benchmarks on the top 1k sites using swarming

scripts/slave/recipes/perf/ct_top1k_perf.py

Index: scripts/slave/recipes/perf/ct_top1k_perf.py
diff --git a/scripts/slave/recipes/perf/ct_top1k_perf.py b/scripts/slave/recipes/perf/ct_top1k_perf.py
new file mode 100644
index 0000000000000000000000000000000000000000..fa591aef7db6dfedb0a323afb49d16e601e76cb7
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+++ b/scripts/slave/recipes/perf/ct_top1k_perf.py
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+# Copyright 2015 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.
+
+
+DEPS = [
+  'archive',
+  'ct_swarming',
+  'file',
+  'path',
+  'properties',
+  'step',
+  'time',
+]
+
+
+CT_PAGE_TYPE = '1k'
+CT_BINARY = 'run_chromium_perf_swarming'
+CT_ISOLATE = 'ct_top1k.isolate'
+
+# Number of slaves to shard CT runs to.
+DEFAULT_CT_NUM_SLAVES = 100
+
+
+def _DownloadAndExtractBinary(api):
+  """Downloads the binary from the revision passed to the recipe."""
+  api.archive.download_and_unzip_build(
+      step_name='Download and Extract Binary',
+      target='Release',
+      build_url=None,  # This is a required parameter, but has no effect.
+      build_archive_url=api.properties['parent_build_archive_url'])
+
+
+def RunSteps(api):
+  # Figure out which benchmark to use.
+  buildername = api.properties['buildername']
+  if 'Repaint' in buildername:
+    benchmark = 'repaint'
+  elif 'RR' in buildername:
+    benchmark = 'rasterize_and_record_micro'
+  else:
+    raise Exception('Do not recognise the buildername %s.' % buildername)
+
+  # Checkout chromium and swarming.
+  api.ct_swarming.checkout_dependencies()
+
+  # Download the prebuilt chromium binary.
+  _DownloadAndExtractBinary(api)
+
+  # Download Cluster Telemetry binary.
+  api.ct_swarming.download_CT_binary(CT_BINARY)
+
+  # Record how long the step took in swarming tasks.
+  swarming_start_time = api.time.time()
+
+  ct_num_slaves = api.properties.get('ct_num_slaves', DEFAULT_CT_NUM_SLAVES)
+  for slave_num in range(1, ct_num_slaves + 1):
+    # Download page sets and archives.
+    api.ct_swarming.download_page_artifacts(CT_PAGE_TYPE, slave_num)
+
+    # Create this slave's isolated.gen.json file to use for batcharchiving.
+    isolate_dir = api.path['checkout'].join('chrome')
+    isolate_path = isolate_dir.join(CT_ISOLATE)
+    extra_variables = {
+        'SLAVE_NUM': str(slave_num),
+        'MASTER': api.properties['mastername'],
+        'BUILDER': api.properties['buildername'],
+        'GIT_HASH': api.properties['git_revision'],
+        'BENCHMARK': benchmark,
+    }
+    api.ct_swarming.create_isolated_gen_json(
+        isolate_path, isolate_dir, 'linux', slave_num, extra_variables)
+
+  # Batcharchive everything on the isolate server for efficiency.
+  api.ct_swarming.batcharchive(ct_num_slaves)
+  swarm_hashes = (
+      api.step.active_result.presentation.properties['swarm_hashes']).values()
+
+  # Trigger all swarming tasks.
+  tasks = api.ct_swarming.trigger_swarming_tasks(
+      swarm_hashes, task_name_prefix='ct-1k-task',
+      dimensions={'os': 'Ubuntu', 'gpu': '10de'})
+
+  # Now collect all tasks.
+  api.ct_swarming.collect_swarming_tasks(tasks)
+
+  print ('Running isolating, triggering and collecting swarming tasks took a '
+         'total of %s seconds') % (api.time.time() - swarming_start_time)
+
+
+def GenTests(api):
+  mastername = 'chromium.perf.fyi'
+  slavename = 'test-slave'
+  parent_build_archive_url = 'http:/dummy-url.com'
+  parent_got_swarming_client_revision = '12345'
+  git_revision = 'xy12z43'
+  ct_num_slaves = 5
+
+  yield(
+    api.test('CT_Top1k_RR') +
+    api.properties(
+        buildername='Linux CT Top1k RR Perf',
+        mastername=mastername,
+        slavename=slavename,
+        parent_build_archive_url=parent_build_archive_url,
+        parent_got_swarming_client_revision=parent_got_swarming_client_revision,
+        git_revision=git_revision,
+        ct_num_slaves=ct_num_slaves,
+    )
+  )
+
+  yield(
+    api.test('CT_Top1k_Repaint') +
+    api.properties(
+        buildername='Linux CT Top1k Repaint Perf',
+        mastername=mastername,
+        slavename=slavename,
+        parent_build_archive_url=parent_build_archive_url,
+        parent_got_swarming_client_revision=parent_got_swarming_client_revision,
+        git_revision=git_revision,
+        ct_num_slaves=ct_num_slaves,
+    )
+  )
+
+  yield(
+    api.test('CT_Top1k_Unsupported') +
+    api.properties(
+        buildername='Linux CT Top1k Unsupported Perf',
+        mastername=mastername,
+        slavename=slavename,
+        parent_build_archive_url=parent_build_archive_url,
+        parent_got_swarming_client_revision=parent_got_swarming_client_revision,
+        git_revision=git_revision,
+        ct_num_slaves=ct_num_slaves,
+    ) +
+    api.expect_exception('Exception')
+  )
+
+  yield(
+    api.test('CT_Top1k_slave3_failure') +
+    api.step_data('ct-1k-task-3 on Ubuntu', retcode=1) +
+    api.properties(
+        buildername='Linux CT Top1k RR Perf',
+        mastername=mastername,
+        slavename=slavename,
+        parent_build_archive_url=parent_build_archive_url,
+        parent_got_swarming_client_revision=parent_got_swarming_client_revision,
+        git_revision=git_revision,
+        ct_num_slaves=ct_num_slaves,
+    )
+  )