cq_stats: use number of attempts from daily stats for calculating percentages

infra/tools/cq_stats/cq_stats.py

 #!/usr/bin/python
 # 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.
 '''Generate stats of CQ usage.'''
 
 import argparse
 import calendar
 import collections
 import copy
@@ skipping 1152 matching lines @@
   if 'per-day' in stats:
     output()
     output('Per-day stats:')
     for day_stats in stats['per-day']:
       false_rejections = _get_patches_by_reason(
           day_stats, 'false-rejections', committed=True)
       infra_false_rejections = _get_patches_by_reason(
           day_stats, 'infra-false-rejections', committed=True)
 
       output('  %s: %4d attempts; 50%% %4.1f; 90%% %4.1f; '
-             'false rejections %.1f%% (%.1f%% infra)',
+             'false rejections %4.1f%% (%4.1f%% infra)',
              day_stats['begin'].date(),
              day_stats['attempt-count'],
              day_stats['patchset-committed-durations']['50'] / 3600.0,
              day_stats['patchset-committed-durations']['90'] / 3600.0,
              percentage(sum(p['count'] for p in false_rejections),
-                        stats['attempt-count']),
+                        day_stats['attempt-count']),
              percentage(sum(p['count'] for p in infra_false_rejections),
-                        stats['attempt-count']))
+                        day_stats['attempt-count']))
 
   output()
   output('Slowest CLs:')
   slowest_cls = sorted(
       stats['patch_stats'],
       key=lambda p: stats['patch_stats'][p]['patchset-duration'],
       reverse=True)
   for p in slowest_cls[:40]:
     output('%s (%s hrs)' % (
         patch_url(p),
@@ skipping 31 matching lines @@
   logger = logging.getLogger()
   # TODO(sergeyberezin): how do I derive local timezone string?
   # Need to be able to pass dateutil.tz.tzlocal() directly.
   infra_libs.logs.process_argparse_options(args, logger)
   stats = acquire_stats(args)
   print_stats(args, stats)
 
 
 if __name__ == '__main__':
   sys.exit(main())