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Issue 708551 link

Starred by 2 users

Issue metadata

Status: Duplicate
Merged: issue 708550
Owner: ----
Closed: Apr 2017
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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8.5% regression in thread_times.key_idle_power_cases at 461634:461646

Project Member Reported by pmeenan@chromium.org, Apr 5 2017

Issue description

See the link to graphs below.
 
All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=708551

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg3I31ugkM


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

android-webview-nexus5X
Mergedinto: 708550
Status: Duplicate (was: Untriaged)

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

Suspected Commit
  Author : ricea
  Commit : 6dbcaaae9b0de50e03a7b11cb0506a8b4b42923f
  Date   : Tue Apr 04 06:24:11 2017
  Subject: Ship WritableStream

Bisect Details
  Configuration: android_webview_arm64_aosp_perf_bisect
  Benchmark    : thread_times.key_idle_power_cases
  Metric       : tasks_per_second_total_all/blank.html
  Change       : 8.13% | 2.9707926604 -> 3.21237300319

Revision             Result                    N
chromium@461633      2.97079 +- 0.116266       6      good
chromium@461640      2.96202 +- 0.0909139      6      good
chromium@461642      2.98686 +- 0.0839029      6      good
chromium@461643      3.23722 +- 0.147838       6      bad       <--
chromium@461646      3.21237 +- 0.136045       6      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=blank.html thread_times.key_idle_power_cases

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8983144904675136832

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=4979342343405568


| 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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