CQ stats for the week of Aug 18, 2014

[Sergey Berezin]

CQ users:         126 out of    128 total committers  98.44%

  Committed       341 out of    389 commits           87.66%. Last week: 88.16%.

Manual committers:     16 out of all    128 users    12.50%

  Committed            48 out of        389 commits  12.34%

Total time tree open: 126 hours of 160 hours (78.85%). Last week: 96.72%.

The drop is due to tree being closed for git migration late last week.

Found 761 issues (in the 4500 most recent issues).

 497 issues (65.3%, 540 patchsets) were tried the CQ, resulting in

1052 CQ attempts, 242 (23.0%) of which are auto-retries.

 410 patches (75.9% of tried patchsets) were committed by CQ,

  13 patches (2.4% of tried patchsets) were committed manually (gave up).

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

Mean duration of CQ trying a patch is 3:59:26 (239 min). Last week: 235 min.

Median duration of CQ trying a patch is 1:21:31 (82 min). Last week: 69 min.

341 CQ starts (32.4% of 1052 CQ attempts) were due to a previous false-negative

  (CQ landed a patch it previously rejected), 99 of which (9.4% of 1052 CQ attempts) were manual retry:

 214 patchsets (52.2%) committed in  1 CQ attempts

 122 patchsets (29.8%) committed in  2 CQ attempts

  36 patchsets (8.8%) committed in  3 CQ attempts

  14 patchsets (3.4%) committed in  4 CQ attempts

  11 patchsets (2.7%) committed in  5 CQ attempts

   7 patchsets (1.7%) committed in  6 CQ attempts

   2 patchsets (0.5%) committed in  7 CQ attempts

   1 patchsets (0.2%) committed in  8 CQ attempts

   2 patchsets (0.5%) committed in  9 CQ attempts

Patches which eventually land percentiles:

  10:  0.6 hrs,  1 attempts

  25:  1.0 hrs,  1 attempts

  50:  1.3 hrs,  1 attempts

  75:  2.7 hrs,  2 attempts

  90:  8.4 hrs,  3 attempts

  95: 19.1 hrs,  5 attempts

  99: 28.4 hrs,  7 attempts

Total try jobs: 14376, by CQ: 8334 (58.0%), unknown: 64 (0.4%)

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

Builder Name                             Succeeded       Flaky Failures  Flakiness (%)  

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

win_blink_rel                            606             206             25.4           

android_chromium_gn_compile_rel          643             172             21.1           

linux_blink_dbg                          622             62              9.1            

linux_blink_rel                          684             67              8.9            

mac_blink_rel                            664             58              8.0            

linux_gpu                                657             45              6.4            

win_blink_compile_dbg                    665             43              6.1            

mac_blink_compile_dbg                    678             22              3.1            

win_gpu                                  679             21              3.0            

blink_presubmit                          489             9               1.8            

mac_gpu                                  666             11              1.6            

linux_gpu_triggered_tests                656             7               1.1            

mac_gpu_retina_triggered_tests           656             7               1.1            

linux_chromium_gn_rel                    661             7               1.0            

android_blink_compile_rel                663             7               1.0            

android_blink_compile_dbg                663             7               1.0            

mac_gpu_triggered_tests                  661             3               0.5            

win_gpu_triggered_tests                  668             2               0.3            

Redundant successful jobs: 180 (1.3%)

Repeated failed jobs: 726 (5.1%)

Pending jobs: 1 (0.0%)

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

Thank you,

-- Sergey.