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Issue 766614 link

Starred by 2 users

Issue metadata

Status: WontFix
Owner: ----
Closed: Dec 2017
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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53.3% improvement in system_health.memory_mobile at 499965:500084

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

Issue description

Suspiciously large improvement, could this be a bug?
 
Project Member

Comment 1 by 42576172...@developer.gserviceaccount.com, Sep 19 2017

All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=766614

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=8abf5c4a09edcfa6188082e1a4e18c6f3ef76118deaf4ca7741a3ebafda32ddf


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

android-one
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Sep 21 2017


=== BISECT JOB RESULTS ===
NO Perf regression found

Bisect Details
  Configuration: android_one_perf_bisect
  Benchmark    : system_health.memory_mobile
  Metric       : memory:chrome:all_processes:reported_by_chrome:gpu:effective_size_avg/browse_chrome/browse_chrome_newtab

Revision             Result                  N
chromium@499964      1235829 +- 2012754      21      good
chromium@500084      1235829 +- 2012754      21      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 --story-filter=browse.chrome.newtab system_health.memory_mobile

More information on addressing performance regressions:
  http://g.co/ChromePerformanceRegressions

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8968029914858148416


For feedback, file a bug with component Speed>Bisection
Status: WontFix (was: Untriaged)
Bisect unable to find culprit, this regression exists in stable. Ignoring.

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