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Issue metadata

Status: Duplicate
Merged: issue 708644
Owner: ----
Closed: Apr 2017
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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3.8%-53.5% regression in memory.top_10_mobile at 464142:464295

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

Issue description

See the link to graphs below.
 
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Apr 19 2017

Mergedinto: 708644
Status: Duplicate (was: Untriaged)

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

Suspected Commit
  Author : mattm
  Commit : 0704d236ee706ffb29fc22fd90f99537e7f15673
  Date   : Thu Apr 13 02:54:23 2017
  Subject: Convert android to use X509CertificateBytes instead of X509CertificateOpenSSL.

Bisect Details
  Configuration: android_one_perf_bisect
  Benchmark    : memory.top_10_mobile
  Metric       : memory:chrome:all_processes:reported_by_chrome:cc:effective_size_avg/foreground/http_search_yahoo_com_search__ylt_p_google
  Change       : 53.54% | 1763724.0 -> 2707948.0

Revision             Result              N
chromium@464238      1763724 +- 0.0      6      good
chromium@464253      1763724 +- 0.0      6      good
chromium@464260      1763724 +- 0.0      6      good
chromium@464261      1763724 +- 0.0      6      good
chromium@464262      2707948 +- 0.0      6      bad       <--
chromium@464264      2707948 +- 0.0      6      bad
chromium@464267      2707948 +- 0.0      6      bad
chromium@464295      2707948 +- 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

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8981888306391247488

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5345321485336576


| 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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