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Issue 718912 link

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Issue metadata

Status: Duplicate
Merged: issue 717400
Owner: ----
Closed: May 2017
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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5.1% regression in thread_times.key_mobile_sites_smooth at 467897:467961

Project Member Reported by kraynov@chromium.org, May 5 2017

Issue description

See the link to graphs below.
 
All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=718912

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgssX8kgoM


Bot(s) for this bug's original alert(s):

android-nexus7v2
Mergedinto: 717400
Status: Duplicate (was: Untriaged)

=== BISECT JOB RESULTS ===
Perf regression found with culprit

Suspected Commit
  Author : nednguyen
  Commit : e80a730b1b1b43ec5fa205dd99e5f00693173f4c
  Date   : Fri Apr 28 09:26:12 2017
  Subject: [Telemetry] Switch Android platform to no longer uses test ca

Bisect Details
  Configuration: android_nexus7_perf_bisect
  Benchmark    : thread_times.key_mobile_sites_smooth
  Metric       : thread_GPU_cpu_time_per_frame/thread_GPU_cpu_time_per_frame
  Change       : 5.44% | 2.60780942386 -> 2.74980167213

Revision                                 Result                    N
chromium@467896                          2.60781 +- 0.0834943      6      good
chromium@467929                          2.59462 +- 0.0498291      6      good
chromium@467945                          2.62267 +- 0.0607492      6      good
chromium@467953                          2.61897 +- 0.1052         6      good
chromium@467953,catapult@e80a730b1b      2.80634 +- 0.0854759      6      bad       <--
chromium@467954                          2.77794 +- 0.0598712      6      bad
chromium@467955                          2.80622 +- 0.0268029      6      bad
chromium@467957                          2.82319 +- 0.0857702      6      bad
chromium@467961                          2.7498 +- 0.106089        6      bad

To Run This Test
  src/tools/perf/run_benchmark -v --browser=android-chromium --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests thread_times.key_mobile_sites_smooth

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8980421324284603584

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5256416417284096


| O O | Visit http://www.chromium.org/developers/speed-infra/perf-bug-faq
|  X  | for more information addressing perf regression bugs. For feedback,
| / \ | file a bug with component Speed>Bisection.  Thank you!

=== BISECT JOB RESULTS ===
Perf regression found with culprit

Suspected Commit
  Author : nednguyen
  Commit : e80a730b1b1b43ec5fa205dd99e5f00693173f4c
  Date   : Fri Apr 28 09:26:12 2017
  Subject: [Telemetry] Switch Android platform to no longer uses test ca

Bisect Details
  Configuration: android_nexus7_perf_bisect
  Benchmark    : thread_times.key_mobile_sites_smooth
  Metric       : thread_GPU_cpu_time_per_frame/thread_GPU_cpu_time_per_frame
  Change       : 7.81% | 2.62579402995 -> 2.83081802181

Revision                                 Result                    N
chromium@467896                          2.62579 +- 0.1125         6      good
chromium@467929                          2.64812 +- 0.050154       6      good
chromium@467945                          2.58985 +- 0.0772783      6      good
chromium@467953                          2.63232 +- 0.0383203      6      good
chromium@467953,catapult@e80a730b1b      2.78482 +- 0.0873918      6      bad       <--
chromium@467954                          2.80751 +- 0.0684627      6      bad
chromium@467955                          2.73037 +- 0.133694       6      bad
chromium@467957                          2.78589 +- 0.127417       6      bad
chromium@467961                          2.83082 +- 0.120036       6      bad

To Run This Test
  src/tools/perf/run_benchmark -v --browser=android-chromium --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests thread_times.key_mobile_sites_smooth

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8980421331059023056

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=6426007952687104


| O O | Visit http://www.chromium.org/developers/speed-infra/perf-bug-faq
|  X  | for more information addressing perf regression bugs. For feedback,
| / \ | file a bug with component Speed>Bisection.  Thank you!

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