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Issue metadata

Status: WontFix
Owner: ----
Closed: Jul 2017
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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115.1%-599.5% regression in loading.mobile at 462740:463664

Project Member Reported by benhenry@google.com, Apr 17 2017

Issue description

This is real. 
 

Comment 1 by benhenry@google.com, Apr 17 2017

All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=712381

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgguiN_AgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg_M-R4AsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg_InolwoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg_IGjpgsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg_NftwwkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDggtTD8goM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgguiNvAkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDggtmytQkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg_I2H6gsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg_K2Y6QkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDggpmN8QoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDggqaZrQkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg_I2H6gkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDggsaGrgkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg_N_lugoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDggum3pwkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg_N_lugkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg_MaL6goM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDggtC94QsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgguiNvAsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDggtSynQgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg_IG5-wkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg_I_y4wgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDggsaGrgsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDggozvrgsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg_Omk4QsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg_NftwwsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDggpmN8QkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg_J-9tAkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDggqL4mggM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDggsKs1AoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg_Nv3pQkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg_NeWjQoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDggtSy7QsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg_L3stwsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg_M-R4AkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg_L3f6QgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg_N3D6ggM


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

android-webview-nexus5X
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Apr 19 2017


=== BISECT JOB RESULTS ===
NO Perf regression found, tests failed to produce values

Bisect Details
  Configuration: android_webview_arm64_aosp_perf_bisect
  Benchmark    : loading.mobile
  Metric       : timeToFirstMeaningfulPaint_avg/Regular-3G/http___www.hongkiat.com


To Run This Test
  src/tools/perf/run_benchmark -v --browser=android-webview --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=http...www.hongkiat.com loading.mobile

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8982027541613230704

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5902828976996352


| 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!
Project Member

Comment 4 by 42576172...@developer.gserviceaccount.com, Apr 21 2017


=== BISECT JOB RESULTS ===
NO Perf regression found, tests failed to produce values

Bisect Details
  Configuration: android_webview_arm64_aosp_perf_bisect
  Benchmark    : loading.mobile
  Metric       : timeToFirstMeaningfulPaint_avg/Regular-3G/http___www.hongkiat.com


To Run This Test
  src/tools/perf/run_benchmark -v --browser=android-webview --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=http...www.hongkiat.com loading.mobile

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8981895696730626832

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5902828976996352


| 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!
Project Member

Comment 6 by 42576172...@developer.gserviceaccount.com, Apr 24 2017


=== BISECT JOB RESULTS ===
NO Perf regression found, tests failed to produce values

Bisect Details
  Configuration: android_webview_arm64_aosp_perf_bisect
  Benchmark    : loading.mobile
  Metric       : timeToFirstMeaningfulPaint_avg/Regular-3G/http___www.hongkiat.com


To Run This Test
  src/tools/perf/run_benchmark -v --browser=android-webview --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=http...www.hongkiat.com loading.mobile

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8981626477774412416

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5902828976996352


| 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 ===
Bisect was unable to run to completion

Error: INFRA_FAILURE

The bisect was able to narrow the range, you can try running with:
  good_revision: 037075a489638e0c6d8adf4a25184949efd36c1d
  bad_revision : e6866222bc8454a9fd7fe2209645484bb4be11fe

If failures persist contact the team (see below) and report the error.


Bisect Details
  Configuration: android_webview_arm64_aosp_perf_bisect
  Benchmark    : loading.mobile
  Metric       : timeToFirstMeaningfulPaint_avg/Regular-3G/http___www.thairath.co.th

Revision             Result                  N
chromium@463378      64202.0 +- 1544.35      14      good
chromium@463519      63806.8 +- 3510.04      14      bad
chromium@463664      63787.7 +- 2344.92      14      bad

To Run This Test
  src/tools/perf/run_benchmark -v --browser=android-webview --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=http...www.thairath.co.th loading.mobile

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8980803548776415024

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5902828976996352


| 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!
Project Member

Comment 9 by sheriffbot@chromium.org, Jul 19 2017

Labels: Hotlist-Google
Status: WontFix (was: Untriaged)
This alert was found before M-60 branched. Closing as WontFix as this is believed to either be invalid or non-reproducible. 

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