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

Issue 674524 link

Starred by 1 user

Issue metadata

Status: Duplicate
Owner: ----
Closed: Dec 2016
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



Sign in to add a comment

2.6%-3.6% regression in memory.top_10_mobile_stress at 438190:438304

Project Member Reported by pmeenan@chromium.org, Dec 15 2016

Issue description

See the link to graphs below.
 
All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=674524

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgj_bNtQoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg95nHswsM


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

android-nexus9
android-one
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Dec 15 2016


===== BISECT JOB RESULTS =====
Status: failed


=== Bisection aborted ===
The bisect was aborted because Bisect cannot identify a culprit: Bisect failed to reproduce the regression with enough confidence.
Please contact the the team (see below) if you believe this is in error.

===== TESTED REVISIONS =====
Revision         Mean     Std Dev  N   Good?
chromium@438267  6858707  1077.33  21  good
chromium@438278  6859718  310463   21  bad

Bisect job ran on: android_nexus9_perf_bisect
Bug ID: 674524

Test Command: src/tools/perf/run_benchmark -v --browser=android-chromium --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=http.m.intl.taobao.com.group.purchase.html memory.top_10_mobile_stress
Test Metric: memory:chrome:all_processes:reported_by_chrome:v8:effective_size_avg/background/after_http_m_intl_taobao_com_group_purchase_html
Relative Change: 0.01%

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/android_nexus9_perf_bisect/builds/2329
Job details: https://chromeperf.appspot.com/buildbucket_job_status/8993203311209608080


Not what you expected? We'll investigate and get back to you!
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5818311160365056

| 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 Tests>AutoBisect.  Thank you!
Kicked new bisect for the cleaner graph (science search): https://chromeperf.appspot.com/buildbucket_job_status/8993115011947725520
Project Member

Comment 6 by 42576172...@developer.gserviceaccount.com, Dec 16 2016

Mergedinto: 674523
Status: Duplicate (was: Untriaged)

===== BISECT JOB RESULTS =====
Status: completed


===== SUSPECTED CL(s) =====
Subject : Preparsing inner functions: Tentatively turn on FLAG_lazy_inner_functions.
Author  : marja
Commit description:
  
BUG= v8:5501 

Review-Url: https://codereview.chromium.org/2567953003
Cr-Commit-Position: refs/heads/master@{#41673}
Commit  : 788e74f5dcde7c6b83ae7bbbc5e88f99361a587d
Date    : Tue Dec 13 13:13:49 2016


===== TESTED REVISIONS =====
Revision                       Mean     Std Dev  N  Good?
chromium@438189                5485296  77369.0  6  good
chromium@438195                5519895  87506.5  6  good
chromium@438198                5500922  61986.3  6  good
chromium@438200                5510201  103851   6  good
chromium@438200,v8@5c1babcc16  5522924  65659.9  6  good
chromium@438200,v8@e32535af5a  5517068  35624.7  6  good
chromium@438200,v8@788e74f5dc  5657115  102439   6  bad    <--
chromium@438201                5730508  397541   6  bad
chromium@438212                5756578  372171   6  bad
chromium@438234                5607337  43453.8  6  bad
chromium@438278                5699512  416973   6  bad

Bisect job ran on: android_one_perf_bisect
Bug ID: 674524

Test Command: src/tools/perf/run_benchmark -v --browser=android-chromium --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=http.yandex.ru.touchsearch.text.science memory.top_10_mobile_stress
Test Metric: memory:chrome:all_processes:reported_by_chrome:v8:effective_size_avg/background/after_http_yandex_ru_touchsearch_text_science
Relative Change: 3.91%

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/android_one_perf_bisect/builds/1878
Job details: https://chromeperf.appspot.com/buildbucket_job_status/8993115011947725520


Not what you expected? We'll investigate and get back to you!
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5907195776991232

| 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 Tests>AutoBisect.  Thank you!

Sign in to add a comment