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Issue 800652 link

Starred by 2 users

Issue metadata

Status: Duplicate
Merged: issue 800084
Owner: ----
Closed: Jan 2018
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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44.6% regression in system_health.common_mobile at 527244:527253

Project Member Reported by 42576172...@developer.gserviceaccount.com, Jan 10 2018

Issue description

See the link to graphs below.
 
Project Member

Comment 1 by 42576172...@developer.gserviceaccount.com, Jan 10 2018

All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=800652

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=b26bf2ea143b8e5681fb237fca8260b45a08da1f12225bc912251b51e6d03fec


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

android-webview-nexus6
Labels: Performance-Sheriff
Labels: Pri-2 Type-Bug-Regression

Comment 5 Deleted

Project Member

Comment 6 by 42576172...@developer.gserviceaccount.com, Jan 10 2018


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

Bisect Details
  Configuration: android_webview_nexus6_aosp_perf_bisect
  Benchmark    : system_health.common_mobile
  Metric       : timeToFirstMeaningfulPaint_avg/browse_tools/browse_tools_maps

Revision             Result                  N
chromium@527243      2647.53 +- 1257.5       21      good
chromium@527253      2589.97 +- 1201.47      21      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=browse.tools.maps system_health.common_mobile

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8957806872016398736


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

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

Mergedinto: 800084
Status: Duplicate (was: Untriaged)

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

Suspected Commit
  Author : Yutaka Hirano
  Commit : 834240f40e8a479ca1ff308b4154b5054f9612aa
  Date   : Fri Jan 05 06:51:58 2018
  Subject: Revert "Update RendererSideResourceScheduler testing config"

Bisect Details
  Configuration: android_webview_nexus6_aosp_perf_bisect
  Benchmark    : system_health.common_mobile
  Metric       : timeToFirstMeaningfulPaint_avg/browse_tools/browse_tools_maps
  Change       : 31.55% | 1827.5725 -> 2404.26033333

Revision             Result                  N
chromium@527190      1827.57 +- 53.5055      6      good
chromium@527213      1843.74 +- 102.996      9      good
chromium@527224      1842.43 +- 106.158      9      good
chromium@527230      1844.43 +- 93.3948      9      good
chromium@527232      1833.21 +- 45.4403      6      good
chromium@527233      2654.67 +- 680.826      6      bad       <--
chromium@527235      2356.12 +- 762.358      6      bad
chromium@527280      2711.74 +- 350.862      6      bad
chromium@527370      2404.26 +- 681.552      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=browse.tools.maps system_health.common_mobile

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8957764078953610976


For feedback, file a bug with component Speed>Bisection

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