CQ stats for the week of Aug 25, 2014

[Sergey Berezin]

CQ users:          96 out of     97 total committers  98.97%

  Committed       249 out of    268 commits           92.91%. Last week: 87.66%.

Manual committers:      7 out of all     97 users     7.22%

  Committed            19 out of        268 commits   7.09%

Total time tree open: 159 hours of 168 hours (94.39%). Last week: 78.85% (git migration week).

Found 662 issues (in the 5200 most recent issues).

 429 issues (64.8%, 467 patchsets) were tried the CQ, resulting in

 761 CQ attempts, 175 (23.0%) of which are auto-retries.

 388 patches (83.1% of tried patchsets) were committed by CQ,

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

  29 issues (6.8% of tried issues) were marked NOTRY.

Mean duration of CQ trying a patch is 3:42:10 (222 min). Last week: 239 min.

Median duration of CQ trying a patch is 1:12:12 (72 min). Last week: 82 min.

220 CQ starts (28.9% of 761 CQ attempts) were due to a previous false-negative

  (CQ landed a patch it previously rejected), 45 of which (5.9% of 761 CQ attempts) were manual retry:

 228 patchsets (58.8%) committed in  1 CQ attempts

 116 patchsets (29.9%) committed in  2 CQ attempts

  30 patchsets (7.7%) committed in  3 CQ attempts

   6 patchsets (1.5%) committed in  4 CQ attempts

   8 patchsets (2.1%) committed in  5 CQ attempts

Patches which eventually land percentiles:

  10:  0.6 hrs,  1 attempts

  25:  1.0 hrs,  1 attempts

  50:  1.2 hrs,  1 attempts

  75:  2.0 hrs,  2 attempts

  90:  2.9 hrs,  3 attempts

  95:  3.4 hrs,  3 attempts

  99:  5.2 hrs,  5 attempts

Total try jobs: 12706, by CQ: 7377 (58.1%), unknown: 22 (0.2%)

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

Builder Name                             Succeeded       Flaky Failures  Flakiness (%)  

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

win_blink_rel                            542             155             22.2           

blink_presubmit                          434             26              5.7            

mac_blink_rel                            570             30              5.0            

linux_blink_dbg                          576             22              3.7            

linux_blink_rel                          612             21              3.3            

android_chromium_gn_compile_rel          607             20              3.2            

mac_gpu                                  607             17              2.7            

linux_gpu_triggered_tests                589             12              2.0            

mac_gpu_retina_triggered_tests           587             11              1.8            

mac_blink_compile_dbg                    597             9               1.5            

linux_gpu                                611             9               1.5            

win_blink_compile_dbg                    596             8               1.3            

win_gpu                                  635             8               1.2            

linux_chromium_gn_rel                    612             6               1.0            

mac_gpu_triggered_tests                  592             6               1.0            

android_blink_compile_rel                597             4               0.7            

win_gpu_triggered_tests                  620             4               0.6            

android_blink_compile_dbg                595             3               0.5            

Redundant successful jobs: 271 (2.1%)

Repeated failed jobs: 316 (2.5%)

Pending jobs: 8 (0.1%)

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

Thank you,

-- Sergey.