New issue
Advanced search Search tips

Issue 701873 link

Starred by 1 user

Issue metadata

Status: Duplicate
Merged: issue 701829
Owner: ----
Closed: Mar 2017
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



Sign in to add a comment

27.6% regression in page_cycler_v2.typical_25 at 456334:456379

Project Member Reported by nzolghadr@chromium.org, Mar 15 2017

Issue description

See the link to graphs below.
 
All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=701873

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg9KzO6wgM


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

linux-release
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Mar 15 2017

Mergedinto: 701829
Status: Duplicate (was: Untriaged)

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

Suspected Commit
  Author : nednguyen
  Commit : 267012ae7453eddde6de2c604e8aa7efed10d67a
  Date   : Mon Mar 13 12:36:50 2017
  Subject: Roll ts_proxy to the latest commit (a2f578febcd79b751d948f615bbde8f6189fbeed)

Bisect Details
  Configuration: linux_perf_bisect
  Benchmark    : page_cycler_v2.typical_25
  Metric       : timeToFirstMeaningfulPaint_avg/pcv1-cold/http___gawker.com_5939683_based-on-a-true-story-is-a-rotten-lie-i-hope-you-never-believe
  Change       : 4.76% | 155.101428573 -> 147.714833334

Revision                                 Result                  N
chromium@456333                          155.101 +- 360.41       14      good
chromium@456356                          118.915 +- 16.2447      8       good
chromium@456362                          117.663 +- 4.56838      6       good
chromium@456363                          121.342 +- 26.0923      9       good
chromium@456363,catapult@267012ae74      144.311 +- 10.1046      6       bad       <--
chromium@456364                          151.357 +- 20.3232      5       bad
chromium@456365                          145.978 +- 15.2788      6       bad
chromium@456368                          145.871 +- 41.0697      13      bad
chromium@456379                          147.715 +- 19.6034      12      bad

To Run This Test
  src/tools/perf/run_benchmark -v --browser=release --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=http...gawker.com.5939683.based.on.a.true.story.is.a.rotten.lie.i.hope.you.never.believe page_cycler_v2.typical_25

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8985033653936051696

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5315393385660416


| 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!

Sign in to add a comment