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Issue metadata

Status: Duplicate
Merged: issue 737353
Owner: ----
Closed: Jun 2017
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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59.4%-166.7% regression in system_health.memory_mobile at 482218:482301

Project Member Reported by sullivan@chromium.org, Jun 28 2017

Issue description

See the link to graphs below.
 
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Jun 28 2017

Mergedinto: 737353
Status: Duplicate (was: Untriaged)

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

Suspected Commit
  Author : perezju
  Commit : b4eb70c319cb0f38d1a7764e7d9fb56dc96f8bcf
  Date   : Mon Jun 26 14:25:41 2017
  Subject: [System Health] Extend dump time to 5 seconds

Bisect Details
  Configuration: android_webview_nexus6_aosp_perf_bisect
  Benchmark    : system_health.memory_mobile
  Metric       : memory:webview:all_processes:reported_by_chrome:gpu:effective_size_avg/browse_media/browse_media_youtube
  Change       : 166.66% | 2555904.0 -> 6815520.0

Revision                                 Result              N
chromium@482272                          2555904 +- 0.0      6      good
chromium@482280                          2555904 +- 0.0      6      good
chromium@482282                          2555904 +- 0.0      6      good
chromium@482282,catapult@b4eb70c319      6815520 +- 0.0      6      bad       <--
chromium@482283                          6815520 +- 0.0      6      bad
chromium@482284                          6815520 +- 0.0      6      bad
chromium@482287                          6815520 +- 0.0      6      bad
chromium@482301                          6815520 +- 0.0      6      bad

Please refer to the following doc on diagnosing memory regressions:
  https://chromium.googlesource.com/chromium/src/+/master/docs/memory-infra/memory_benchmarks.md

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.media.youtube system_health.memory_mobile

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8975583414501870096

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=6424109518422016


| 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!

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