CQ stats for the week of July 28, 2014

[Sergey Berezin]

CQ users:         108 out of    109 total committers  99.08%

  Committed       378 out of    411 commits           91.97%. Last week: 82.25%.

Manual committers:     12 out of all    109 users    11.01%

  Committed            33 out of        411 commits   8.03%

Total time open: 148 hours of 156 hours (94.61%). Last week: 93.22%.

Found 817 issues (in the 4100 most recent issues).

 554 issues (67.8%, 597 patchsets) were tried the CQ, resulting in 768 CQ attempts.

 467 patches (78.2% of tried patchsets) were committed by CQ,

   5 patches (0.8% of tried patchsets) were committed manually (gave up).

  54 issues (9.7% of tried issues) were marked NOTRY.

Mean duration of CQ trying a patch is 2:00:36 (121 min). Last week: 177 min.

Median duration of CQ trying a patch is 1:26:00 (86 min). Last week: 89 min.

104 CQ starts (13.5% of 768 CQ attempts) were due to a previous false-negative

  (CQ landed a patch it previously rejected):

 385 patchsets (82.4%) committed in  1 CQ attempts

  61 patchsets (13.1%) committed in  2 CQ attempts

  17 patchsets (3.6%) committed in  3 CQ attempts

   4 patchsets (0.9%) committed in  4 CQ attempts

Patches which eventually land percentiles:

  10:  0.3 hrs,  1 attempts

  25:  1.0 hrs,  1 attempts

  50:  1.5 hrs,  1 attempts

  75:  2.2 hrs,  1 attempts

  90:  3.2 hrs,  2 attempts

  95:  3.8 hrs,  2 attempts

  99:  4.8 hrs,  3 attempts

Total try jobs: 18426, by CQ: 8701 (47.2%), unknown: 309 (1.7%)

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

Builder Name                             Succeeded       Flaky Failures  Flakiness (%)  

----------------------------------------------------------------------------------------

win_blink_rel                            737             297             28.7           

linux_blink_dbg                          772             172             18.2           

mac_blink_rel                            814             70              7.9            

mac_blink_compile_dbg                    876             54              5.8            

linux_blink_rel                          838             44              5.0            

linux_gpu_triggered_tests                845             26              3.0            

win_blink_compile_dbg                    873             21              2.3            

win_gpu                                  902             20              2.2            

linux_chromium_gn_rel                    863             16              1.8            

blink_presubmit                          563             10              1.7            

mac_gpu                                  884             14              1.6            

win_gpu_triggered_tests                  855             10              1.2            

mac_gpu_retina_triggered_tests           861             10              1.1            

linux_gpu                                901             9               1.0            

mac_gpu_triggered_tests                  863             7               0.8            

android_chromium_gn_compile_rel          903             5               0.6            

android_blink_compile_rel                878             5               0.6            

android_blink_compile_dbg                872             4               0.5            

Redundant successful jobs: 263 (1.4%)

Repeated failed jobs: 682 (3.7%)

Pending jobs: 0 (0.0%)

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

Thank you,

-- Sergey.