New issue
Advanced search Search tips
Note: Color blocks (like or ) mean that a user may not be available. Tooltip shows the reason.

Issue 780200 link

Starred by 1 user

Issue metadata

Status: Duplicate
Merged: issue 778587
Owner: ----
Closed: Nov 2017
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



Sign in to add a comment

56.2% regression in thread_times.tough_compositor_cases at 511383:511410

Project Member Reported by briander...@chromium.org, Oct 31 2017

Issue description

See the link to graphs below.
 
Project Member

Comment 1 by 42576172...@developer.gserviceaccount.com, Oct 31 2017

All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=780200

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=f7b07d7e1bcdbd28bf5744404d9e80437f5269f6a0cf41d5e51074572e626135


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

android-nexus6
Mergedinto: 778587
Status: Duplicate (was: Untriaged)

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

Suspected Commit
  Author : David Bokan
  Commit : dbab215523c8d77a7b54fcf3776357b079c36899
  Date   : Tue Oct 24 14:24:10 2017
  Subject: Fix telemetry gesture speeds

Bisect Details
  Configuration: android_nexus6_perf_bisect
  Benchmark    : thread_times.tough_compositor_cases
  Metric       : thread_other_cpu_time_per_frame/thread_other_cpu_time_per_frame
  Change       : 46.96% | 0.128909260438 -> 0.189445865882

Revision                                 Result                      N
chromium@511382                          0.128909 +- 0.0147234       6      good
chromium@511396                          0.122711 +- 0.0158681       6      good
chromium@511397                          0.128961 +- 0.0138601       6      good
chromium@511397,catapult@f9691b256a      0.126456 +- 0.0162476       6      good
chromium@511397,catapult@dbab215523      0.19051 +- 0.00436543       6      bad       <--
chromium@511397,catapult@2f4cf37a9f      0.191953 +- 0.00706014      6      bad
chromium@511398                          0.189222 +- 0.00280025      6      bad
chromium@511400                          0.189758 +- 0.00366494      6      bad
chromium@511403                          0.190015 +- 0.0042584       6      bad
chromium@511410                          0.189446 +- 0.00395127      6      bad

To Run This Test
  src/tools/perf/run_benchmark -v --browser=android-chromium --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests thread_times.tough_compositor_cases

More information on addressing performance regressions:
  http://g.co/ChromePerformanceRegressions

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8964186003140049744


For feedback, file a bug with component Speed>Bisection

Sign in to add a comment