CQ stats for the week of Nov 10

[Paweł Hajdan, Jr.]

Statistics for project chromium

from 2014-11-10 16:07:26 till 2014-11-17 16:05:17 (local time).

CQ users:         319 out of    331 total committers  96.37%

  Committed       902 out of    949 commits           95.05%. Prev. week:  94.53%.

Bots:                     3 out of    331 total committers   0.91%

  Committed by CQ       103 out of    949 commits           10.85%

  Committed directly      0 out of    949 commits            0.00%

Manual committers:     27 out of all    331 users     8.16%

  Committed            47 out of        949 commits   4.95%

Total time tree open: 155.1 hours of 168.0 hours (92.33%). Prev. week: 98.04%.

1252 issues (1404 patches) were tried by CQ, resulting in 1527 attempts.

 897 patches (63.9% of tried patches, 58.7% of attempts) were committed by CQ,

Rejections:

 542 attempts (35.5% of 1527 attempts) were unsuccessful in 498 uncommitted patches

  This includes:

   203 attempts (13.3% of 1527 attempts) stopped manually (CQ box was unchecked) in 200 uncommitted patches

    22 attempts (1.4% of 1527 attempts) are missing LGTM in 11 uncommitted patches

     8 attempts (0.5% of 1527 attempts) failed to apply patch in 8 uncommitted patches

    52 attempts (3.4% of 1527 attempts) failed presubmit bot (often due to missing OWNERS LGTM) in 49 uncommitted patches

   257 attempts (16.8% of 1527 attempts) failed jobs (excluding presubmit): 505 in 243 uncommitted patches

False Rejections:

  33 attempts (2.2% of 1527 attempts) were false rejections in 31 committed patches

  False rejections include:

    33 attempts (2.2% of 1527 attempts) failed jobs (excluding presubmit): 35 in 31 committed patches

  Other rejections in committed patches for valid reasons:

    13 attempts (0.9% of 1527 attempts) stopped manually (CQ box was unchecked) in 12 committed patches

    13 attempts (0.9% of 1527 attempts) are missing LGTM in 11 committed patches

     1 attempt  (0.1% of 1527 attempts) failed to apply patch in 1 committed patches

    26 attempts (1.7% of 1527 attempts) failed presubmit bot (often due to missing OWNERS LGTM) in 26 committed patches

Mean duration in CQ trying a patch:

  wallclock:        2:28:13 (148 min). Prev. week:  2:15:03 (135 min).

  sum of attempts:  0:57:29 ( 57 min). Prev. week:  1:09:55 ( 70 min).

Median duration in CQ trying a patch:

  wallclock:        0:56:11 ( 56 min). Prev. week:  0:57:46 ( 58 min).

  sum of attempts:  0:54:54 ( 55 min). Prev. week:  0:56:35 ( 57 min).

Patches which eventually land percentiles:

10:  0.6 hrs,  1 attempts

25:  0.8 hrs,  1 attempts

50:  1.0 hrs,  1 attempts

75:  1.2 hrs,  1 attempts

90:  1.8 hrs,  1 attempts

95:  2.2 hrs,  2 attempts

99:  3.3 hrs,  2 attempts

Top flaky builders (which fail and succeed in the same patch):

Builder Name                             Succeeded       Flaky Failures  Flakiness (%)  

linux_blink_dbg                             35               4            10.26%        

android_clang_dbg_recipe                  1025              47             4.38%        

android_dbg_tests_recipe                   986              34             3.33%        

chromium_presubmit                        1160              39             3.25%        

win_chromium_x64_rel                       975              28             2.79%        

win_chromium_rel                           981              25             2.49%        

win_gpu_triggered_tests                   1008              24             2.33%        

linux_chromium_chromeos_rel                994              19             1.88%        

linux_chromium_rel_ng                     1032              13             1.24%        

mac_chromium_rel_ng                       1003              12             1.18%        

android_chromium_gn_compile_dbg           1053              11             1.03%        

mac_gpu_retina_triggered_tests            1042              10             0.95%        

android_chromium_gn_compile_rel           1057               9             0.84%        

mac_gpu                                   1065               8             0.75%        

mac_chromium_compile_dbg                  1054               7             0.66%        

ios_rel_device                            1108               6             0.54%        

win_chromium_compile_dbg                  1035               5             0.48%        

mac_gpu_triggered_tests                   1039               5             0.48%        

linux_chromium_gn_dbg                     1059               5             0.47%        

ios_rel_device_ninja                      1143               5             0.44%        

win8_chromium_rel                         1019               4             0.39%        

android_arm64_dbg_recipe                  1048               4             0.38%        

win_gpu                                   1052               4             0.38%        

linux_chromium_gn_rel                     1076               4             0.37%        

ios_dbg_simulator                         1045               3             0.29%        

linux_gpu                                 1079               3             0.28%        

linux_chromium_asan_rel                    968               2             0.21%        

linux_chromium_compile_dbg_32             1035               2             0.19%        

linux_gpu_triggered_tests                 1057               2             0.19%        

android_aosp                              1056               1             0.09%        

linux_arm_compile                            3               0             0.00%        

linux_blink_rel                             47               0             0.00%        

linux_nacl_sdk                               3               0             0.00%        

linux_rel_precise32                          5               0             0.00%        

linux_chromium_dbg                           3               0             0.00%

Please file CQ bugs at crbug.com, labels "Infra" "Build-CommitQueue".

Paweł