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Issue metadata

Status: Duplicate
Merged: issue 710017
Owner: ----
Closed: May 2017
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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10.1% regression in blink_perf.css at 462584:462739

Project Member Reported by alexclarke@chromium.org, Apr 19 2017

Issue description

See the link to graphs below.
 
All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=713123

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg_Nft_QsM


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

android-webview-nexus5X
Project Member

Comment 5 by 42576172...@developer.gserviceaccount.com, Apr 25 2017


=== BISECT JOB RESULTS ===
Bisect failed for unknown reasons

Please contact the team (see below) and report the error.


Bisect Details
  Configuration: android_webview_arm64_aosp_perf_bisect
  Benchmark    : blink_perf.css
  Metric       : StyleSheetInsert/StyleSheetInsert


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 blink_perf.css

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8981432742766180416

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5829266924634112


| 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!
Mergedinto: 710017
Status: Duplicate (was: Untriaged)

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

Suspected Commit
  Author : ckrasic
  Commit : dee375739b384173dea843b8f4e1632a4318d4d3
  Date   : Thu Apr 06 22:42:27 2017
  Subject: QUIC - fix crash bug in client handling of Server Push.

Bisect Details
  Configuration: android_webview_arm64_aosp_perf_bisect
  Benchmark    : blink_perf.css
  Metric       : StyleSheetInsert/StyleSheetInsert
  Change       : 0.89% | 536.716555556 -> 531.914222222

Revision             Result                  N
chromium@462583      536.717 +- 8.04219      9       good
chromium@462622      532.392 +- 9.89298      9       good
chromium@462642      531.984 +- 11.6555      14      good
chromium@462652      531.538 +- 6.3949       9       good
chromium@462657      531.268 +- 10.5685      14      good
chromium@462658      531.74 +- 11.6665       9       good
chromium@462659      526.153 +- 9.64962      9       bad       <--
chromium@462661      527.167 +- 8.58411      9       bad
chromium@462739      531.914 +- 9.54263      9       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 blink_perf.css

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8980663328132735472

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5829266924634112


| 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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