CQ stats for the week of Apr 06

[Paweł Hajdan, Jr.]

Statistics for project chromium

from 2015-04-06 18:58:51 till 2015-04-13 18:41:11 (local time).

CQ users:         321 out of    327 total committers  98.17%

  Committed       922 out of    945 commits           97.57%. Prev. week:  96.92%.

Bots:                     3 out of    327 total committers   0.92%

  Committed by CQ        80 out of    945 commits            8.47%

  Committed directly      0 out of    945 commits            0.00%

Manual committers:     11 out of all    327 users     3.36%

  Committed            23 out of        945 commits   2.43%

Total time tree open: 161.1 hours of 168.0 hours (95.89%). Prev. week: 96.80%.

1060 issues (1257 patches) were tried by CQ, resulting in 1359 attempts.

 925 patches (73.6% of tried patches, 68.1% of attempts) were committed by CQ,

Rejections:

 353 attempts (26.0% of 1359 attempts) were unsuccessful in 332 uncommitted patches

  This includes:

    94 attempts (6.9% of 1359 attempts) stopped manually (CQ box was unchecked) in 93 uncommitted patches

    14 attempts (1.0% of 1359 attempts) are missing LGTM in 13 uncommitted patches

     6 attempts (0.4% of 1359 attempts) failed to apply patch in 6 uncommitted patches

    79 attempts (5.8% of 1359 attempts) failed presubmit bot (often due to missing OWNERS LGTM) in 76 uncommitted patches

   154 attempts (11.3% of 1359 attempts) failed jobs (excluding presubmit): 259 in 143 uncommitted patches

     6 attempts (0.4% of 1359 attempts) failed for any other reason in 6 uncommitted patches

False Rejections:

  12 attempts (0.9% of 1359 attempts) were false rejections in 11 committed patches

  False rejections include:

     5 attempts (0.4% of 1359 attempts) failed jobs (excluding presubmit): 5 in 5 committed patches

     7 attempts (0.5% of 1359 attempts) failed for any other reason in 6 committed patches

  Other rejections in committed patches for valid reasons:

    18 attempts (1.3% of 1359 attempts) stopped manually (CQ box was unchecked) in 18 committed patches

    16 attempts (1.2% of 1359 attempts) are missing LGTM in 15 committed patches

    35 attempts (2.6% of 1359 attempts) failed presubmit bot (often due to missing OWNERS LGTM) in 32 committed patches

Mean duration in CQ trying a patch:

  wallclock:        2:45:51 (166 min). Prev. week:  4:35:46 (276 min).

  sum of attempts:  1:33:10 ( 93 min). Prev. week:  1:37:42 ( 98 min).

Median duration in CQ trying a patch:

  wallclock:        1:16:06 ( 76 min). Prev. week:  0:59:55 ( 60 min).

  sum of attempts:  1:12:00 ( 72 min). Prev. week:  0:56:52 ( 57 min).

Patches which eventually land percentiles:

10:  0.1 hrs,  1 attempts

25:  0.7 hrs,  1 attempts

50:  1.3 hrs,  1 attempts

75:  2.2 hrs,  1 attempts

90:  3.2 hrs,  1 attempts

95:  4.2 hrs,  2 attempts

99:  6.4 hrs,  2 attempts

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

Builder Name                             Succeeded       Flaky Failures  Flakiness (%)  

chromium_presubmit                         892              12             1.33%        

linux_android_rel_ng                       811               5             0.61%        

linux_chromium_chromeos_ozone_rel_ng       848               3             0.35%        

linux_chromium_asan_rel                    857               3             0.35%        

linux_chromium_clobber_rel_ng              880               3             0.34%        

win_chromium_rel_ng                        818               1             0.12%        

linux_chromium_rel_ng                      830               1             0.12%        

win_chromium_x64_rel_ng                    831               1             0.12%        

mac_chromium_rel_ng                        857               1             0.12%        

mac_chromium_compile_dbg_ng                912               1             0.11%        

linux_chromium_gn_rel                      913               1             0.11%        

android_clang_dbg_recipe                   922               1             0.11%        

android_chromium_gn_compile_dbg            932               1             0.11%        

android_arm64_dbg_recipe                   936               1             0.11%        

android_chromium_gn_compile_rel            936               1             0.11%        

android_compile_dbg                        937               1             0.11%        

ios_dbg_simulator_ninja                    957               1             0.10%        

ios_rel_device_ninja                       980               1             0.10%        

linux_perf_bisect                            0               0             0.00%        

linux_chromium_chromeos_rel_ng             824               0             0.00%        

linux_chromium_compile_dbg_32_ng           929               0             0.00%        

linux_chromium_gn_dbg                      884               0             0.00%        

linux_blink_rel                             25               0             0.00%        

win8_chromium_gn_dbg                         2               0             0.00%        

linux_nacl_sdk                               3               0             0.00%        

win8_chromium_gn_rel                         2               0             0.00%        

android_nexus5_perf_bisect                   0               0             0.00%        

linux_chromium_trusty32_rel                  1               0             0.00%        

mac_nacl_sdk                                 1               0             0.00%        

win8_chromium_rel                          895               0             0.00%        

linux_chromium_gn_chromeos_rel             913               0             0.00%        

mac_perf_bisect                              0               0             0.00%        

linux_chromium_chromeos_compile_dbg_ng     893               0             0.00%        

linux_arm                                    1               0             0.00%        

mac_chromium_gn_rel                          5               0             0.00%        

win_chromium_compile_dbg_ng                899               0             0.00%        

mac_chromium_gn_dbg                          2               0             0.00%

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

Paweł