CQ stats for the week of Sep 1, 2014

[Sergey Berezin]

CQ users:         120 out of    122 total committers  98.36%

  Committed       309 out of    360 commits           85.83%. Last week: 92.91%.

Manual committers:      6 out of all    122 users     4.92%

  Committed            51 out of        360 commits  14.17%

Total time tree open: 147 hours of 168 hours (87.38%). Last week: 94.39%.

Found 736 issues (in the 4100 most recent issues).

 496 issues (67.4%, 545 patchsets) were tried the CQ, resulting in

 757 CQ attempts, 51 (6.7%) of which are auto-retries.

 449 patches (82.4% of tried patchsets) were committed by CQ,

   0 patches (0.0% of tried patchsets) were committed manually (gave up).

  28 issues (5.6% of tried issues) were marked NOTRY.

Mean duration of CQ trying a patch is 5:33:00 (333 min). Last week: 222 min.

Median duration of CQ trying a patch is 1:08:56 (69 min). Last week: 72 min.

140 CQ starts (18.5% of 757 CQ attempts) were due to a previous false-negative

  (CQ landed a patch it previously rejected), 89 of which (11.8% of 757 CQ attempts) were manual retry:

 339 patchsets (75.5%) committed in  1 CQ attempts

  73 patchsets (16.3%) committed in  2 CQ attempts

  32 patchsets (7.1%) committed in  3 CQ attempts

   3 patchsets (0.7%) committed in  4 CQ attempts

   1 patchsets (0.2%) committed in  5 CQ attempts

Patches which eventually land percentiles:

  10:  0.3 hrs,  1 attempts

  25:  1.0 hrs,  1 attempts

  50:  1.2 hrs,  1 attempts

  75:  2.1 hrs,  1 attempts

  90:  9.6 hrs,  2 attempts

  95: 13.7 hrs,  3 attempts

  99: 23.0 hrs,  3 attempts

Total try jobs: 14554, by CQ: 8307 (57.1%), unknown: 62 (0.4%)

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

Builder Name                             Succeeded       Flaky Failures  Flakiness (%)  

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

win_blink_rel                            671             144             17.7           

linux_blink_rel                          695             43              5.8            

blink_presubmit                          503             29              5.5            

linux_gpu                                703             16              2.2            

mac_blink_rel                            679             15              2.2            

mac_gpu                                  713             15              2.1            

win_gpu                                  781             15              1.9            

linux_blink_dbg                          660             8               1.2            

mac_gpu_triggered_tests                  684             7               1.0            

win_blink_compile_dbg                    693             7               1.0            

mac_gpu_retina_triggered_tests           684             7               1.0            

mac_blink_compile_dbg                    706             6               0.8            

linux_chromium_gn_rel                    697             5               0.7            

linux_gpu_triggered_tests                685             4               0.6            

android_chromium_gn_compile_rel          706             3               0.4            

win_gpu_triggered_tests                  734             2               0.3            

android_blink_compile_dbg                697             2               0.3            

android_blink_compile_rel                700             2               0.3            

Redundant successful jobs: 377 (2.6%)

Repeated failed jobs: 349 (2.4%)

Pending jobs: 3 (0.0%)

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

Thank you,

-- Sergey.