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Issue metadata

Status: Duplicate
Merged: issue 623804
Owner:
Closed: Jun 2016
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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18.5%-38.9% regression in power.top_25 at 401952:402007

Project Member Reported by lanwei@google.com, Jun 28 2016

Issue description

See the link to graphs below.
 
Project Member

Comment 2 by 42576172...@developer.gserviceaccount.com, Jun 28 2016

Mergedinto: 623804
Status: Duplicate (was: Assigned)

===== BISECT JOB RESULTS =====
Status: completed


===== SUSPECTED CL(s) =====
Subject : Refactor flash component installer to use DefaultComponentInstaller.
Author  : waffles
Commit description:
  This enables it to use differential updates.

BUG= 601928 

Review-Url: https://codereview.chromium.org/2041573002
Cr-Commit-Position: refs/heads/master@{#401973}
Commit  : 5a2538963cbd28c53ed0f4befc24bd9b4d99f77c
Date    : Fri Jun 24 21:24:53 2016


===== TESTED REVISIONS =====
Revision         Mean    Std Dev  N  Good?
chromium@401970  782.6   46.479   5  good
chromium@401972  753.75  87.4162  4  good
chromium@401973  1038.4  91.4292  5  bad    <--
chromium@401976  1038.0  91.0851  5  bad

Bisect job ran on: mac_hdd_perf_bisect
Bug ID: 623807

Test Command: src/tools/perf/run_benchmark -v --browser=release --output-format=chartjson --upload-results --also-run-disabled-tests power.gpu_rasterization.top_25
Test Metric: idle_wakeups_total/idle_wakeups_total
Relative Change: 31.78%
Score: 99.5

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/mac_hdd_perf_bisect/builds/611
Job details: https://chromeperf.appspot.com/buildbucket_job_status/9008649992840586128


Not what you expected? We'll investigate and get back to you!
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5883884747620352

| 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 Tests>AutoBisect.  Thank you!

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