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Issue 713120 link

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Issue metadata

Status: Duplicate
Owner: ----
Closed: May 2017
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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1.5%-25% regression in memory.top_10_mobile at 463183:463209

Project Member Reported by alexclarke@chromium.org, Apr 19 2017

Issue description

See the link to graphs below.
 
All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=713120

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg_O7duwoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgwt7ZtQoM


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

android-one
android-webview-nexus5X
Project Member

Comment 5 by 42576172...@developer.gserviceaccount.com, Apr 25 2017


=== BISECT JOB RESULTS ===
Bisect failed for unknown reasons

Please contact the team (see below) and report the error.


Bisect Details
  Configuration: android_webview_arm64_aosp_perf_bisect
  Benchmark    : memory.top_10_mobile
  Metric       : memory:chrome:all_processes:reported_by_os:gpu_memory:proportional_resident_size_avg/background/after_https_m_facebook_com_rihanna


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 memory.top_10_mobile

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8981432744689430816

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5814285474725888


| 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!
Mergedinto: 711370
Status: Duplicate (was: Untriaged)

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

Suspected Commit
  Author : peria
  Commit : 91ee8664ce7bc2a8fc792c6144cc8dd4408402b9
  Date   : Mon Apr 10 08:47:02 2017
  Subject: Remove V8HiddenValue class.

Bisect Details
  Configuration: android_one_perf_bisect
  Benchmark    : memory.top_10_mobile
  Metric       : memory:chrome:all_processes:reported_by_chrome:v8:effective_size_avg/foreground/http_www_baidu_com_s_word_google
  Change       : 1.20% | 4049292.66667 -> 4097738.0

Revision             Result                  N
chromium@463185      4049293 +- 8145.28      6      good
chromium@463191      4049702 +- 21458.8      6      good
chromium@463194      4049294 +- 8133.72      6      good
chromium@463196      4050700 +- 20994.5      6      good
chromium@463197      4097545 +- 14025.4      6      bad       <--
chromium@463209      4097738 +- 13198.8      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-chromium --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests memory.top_10_mobile

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8980663330248583408

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5814285474725888


| 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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