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

Issue 726938 link

Starred by 1 user

Issue metadata

Status: Duplicate
Merged: issue 726915
Owner: ----
Closed: May 2017
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



Sign in to add a comment

155.5% regression in memory.top_10_mobile_stress at 474274:474399

Project Member Reported by briander...@chromium.org, May 26 2017

Issue description

See the link to graphs below.
 
All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=726938

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg-tr48ggM


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

android-one
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, May 27 2017

Mergedinto: 726915
Status: Duplicate (was: Untriaged)

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

Suspected Commit
  Author : Brian Salomon
  Commit : 8785df15fe5a57651597d138d3c5aea0ffe3f661
  Date   : Wed May 24 16:04:45 2017
  Subject: Clear atlas textures at creation in Chrome

Bisect Details
  Configuration: android_one_perf_bisect
  Benchmark    : memory.top_10_mobile_stress
  Metric       : memory:chrome:all_processes:reported_by_chrome:gpu:effective_size_avg/foreground/http_yandex_ru_touchsearch_text_science
  Change       : 155.47% | 4721328.0 -> 12061360.0

Revision                             Result               N
chromium@474273                      4721328 +- 0.0       6      good
chromium@474336                      4721328 +- 0.0       6      good
chromium@474344                      4721328 +- 0.0       6      good
chromium@474348                      4721328 +- 0.0       6      good
chromium@474350                      4721328 +- 0.0       6      good
chromium@474350,skia@5458cf8ec6      4721328 +- 0.0       6      good
chromium@474350,skia@8785df15fe      12061360 +- 0.0      6      bad       <--
chromium@474351                      12061360 +- 0.0      6      bad
chromium@474352                      12061360 +- 0.0      6      bad
chromium@474368                      12061360 +- 0.0      6      bad
chromium@474399                      12061360 +- 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-chromium --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests memory.top_10_mobile_stress

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8978488596980004176

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=6387896283561984


| 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!

Sign in to add a comment