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Issue 797095 link

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Issue metadata

Status: WontFix
Owner: ----
Closed: Mar 2018
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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36.6%-47% regression in thread_times.key_idle_power_cases at 525032:525137

Project Member Reported by briander...@chromium.org, Dec 21 2017

Issue description

See the link to graphs below.
 
Project Member

Comment 1 by 42576172...@developer.gserviceaccount.com, Dec 21 2017

All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=797095

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=481940de23346b642757079b5900845cf45098cb9273b04b00ae9a7ab977631d


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

android-nexus5
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Dec 22 2017


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

Bisect Details
  Configuration: android_nexus5_perf_bisect
  Benchmark    : thread_times.key_idle_power_cases
  Metric       : thread_total_all_cpu_time_per_second/set-timeout.html (Long Idle)

Revision             Result                    N
chromium@525031      0.213699 +- 0.133838      21      good
chromium@525137      0.212304 +- 0.13392       21      bad

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=set.timeout.html..Long.Idle. thread_times.key_idle_power_cases

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

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8959559571908933040


For feedback, file a bug with component Speed>Bisection
Kicking off a few more bisects.
Project Member

Comment 7 by 42576172...@developer.gserviceaccount.com, Jan 23 2018

📍 Couldn't reproduce a difference.
https://pinpoint-dot-chromeperf.appspot.com/job/14fea994840000
Project Member

Comment 8 by 42576172...@developer.gserviceaccount.com, Jan 23 2018

📍 Couldn't reproduce a difference.
https://pinpoint-dot-chromeperf.appspot.com/job/14c9f0c4840000
Components: Internals>GPU>Metrics
Status: WontFix (was: Untriaged)
This only happened on one device, and bisect can't reproduce.

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