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

Issue 780206 link

Starred by 1 user

Issue metadata

Status: Duplicate
Merged: issue 778587
Owner:
Closed: Jan 2018
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



Sign in to add a comment

142.7%-148% regression in smoothness.key_mobile_sites_smooth at 511394:511533

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=780206

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=31f6fccc7b01cead48fe4ddd89eb7e020a23e7de250fc79706a40e7cd7b779cf


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

android-nexus5
android-one
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Oct 31 2017


=== BISECT JOB RESULTS ===
NO Perf regression found

Bisect Details
  Configuration: android_one_perf_bisect
  Benchmark    : smoothness.key_mobile_sites_smooth
  Metric       : input_event_latency_discrepancy/http___www.reddit.com_r_programming_comments_1g96ve

Revision             Result                 N
chromium@511420      352.98 +- 393.99       21      good
chromium@511533      382.96 +- 472.605      21      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 --story-filter=http...www.reddit.com.r.programming.comments.1g96ve smoothness.key_mobile_sites_smooth

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8964185838249421600


For feedback, file a bug with component Speed>Bisection
Re-kicking on multiple bots since this was a pretty big regression.
Project Member

Comment 7 by 42576172...@developer.gserviceaccount.com, Jan 11 2018

Cc: bokan@chromium.org
Owner: bokan@chromium.org
Status: Assigned (was: Untriaged)

=== Auto-CCing suspected CL author bokan@chromium.org ===

Hi bokan@chromium.org, the bisect results pointed to your CL, please take a look at the
results.


=== 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_nexus5_perf_bisect
  Benchmark    : smoothness.key_mobile_sites_smooth
  Metric       : input_event_latency_discrepancy/http___worldjournal.com_

Revision                                 Result                  N
chromium@511393                          148.383 +- 88.3624      6      good
chromium@511396                          172.095 +- 66.6865      6      good
chromium@511397                          126.364 +- 91.5337      6      good
chromium@511397,catapult@f9691b256a      135.547 +- 72.2198      6      good
chromium@511397,catapult@dbab215523      352.836 +- 83.6118      6      bad       <--
chromium@511397,catapult@2f4cf37a9f      342.132 +- 51.2792      6      bad
chromium@511398                          340.814 +- 113.111      6      bad
chromium@511402                          398.466 +- 87.8928      6      bad
chromium@511410                          325.432 +- 100.787      6      bad
chromium@511426                          347.02 +- 88.4337       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 --story-filter=http...worldjournal.com. smoothness.key_mobile_sites_smooth

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8957672446133897600


For feedback, file a bug with component Speed>Bisection
Project Member

Comment 8 by 42576172...@developer.gserviceaccount.com, Jan 11 2018


=== Auto-CCing suspected CL author bokan@chromium.org ===

Hi bokan@chromium.org, the bisect results pointed to your CL, please take a look at the
results.


=== 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_one_perf_bisect
  Benchmark    : smoothness.key_mobile_sites_smooth
  Metric       : input_event_latency_discrepancy/http___www.reddit.com_r_programming_comments_1g96ve

Revision                                 Result                  N
chromium@511188                          199.086 +- 71.9971      6      good
chromium@511361                          195.821 +- 104.625      6      good
chromium@511383                          188.098 +- 133.863      9      good
chromium@511394                          172.673 +- 82.5524      6      good
chromium@511397                          189.011 +- 125.551      9      good
chromium@511397,catapult@f9691b256a      199.143 +- 139.214      9      good
chromium@511397,catapult@dbab215523      318.104 +- 114.189      6      bad       <--
chromium@511397,catapult@2f4cf37a9f      304.302 +- 238.091      9      bad
chromium@511398                          351.464 +- 341.552      6      bad
chromium@511399                          304.556 +- 174.488      6      bad
chromium@511404                          347.986 +- 317.976      9      bad
chromium@511447                          315.477 +- 184.942      9      bad
chromium@511533                          328.047 +- 203.458      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 --story-filter=http...www.reddit.com.r.programming.comments.1g96ve smoothness.key_mobile_sites_smooth

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8957672426107810304


For feedback, file a bug with component Speed>Bisection

Comment 9 by bokan@chromium.org, Jan 11 2018

Mergedinto: 778587
Status: Duplicate (was: Assigned)

Sign in to add a comment