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Issue 727583 link

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Issue metadata

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



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4.5% regression in scheduler.tough_scheduling_cases at 473556:473651

Project Member Reported by toyoshim@chromium.org, May 30 2017

Issue description

See the link to graphs below.
 
All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=727583

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDguubz7woM


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

chromium-rel-win7-x64-dual
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, May 30 2017


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

Bisect Details
  Configuration: win_x64_perf_bisect
  Benchmark    : scheduler.tough_scheduling_cases
  Metric       : mean_frame_time/mean_frame_time

Revision             Result                   N
chromium@473555      17.197 +- 0.257177       21      good
chromium@473651      17.2194 +- 0.483873      21      bad

To Run This Test
  src/tools/perf/run_benchmark -v --browser=release_x64 --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests scheduler.tough_scheduling_cases

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8978182984136711248

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=6750966889578496


| 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!
Project Member

Comment 5 by 42576172...@developer.gserviceaccount.com, May 31 2017


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

Bisect Details
  Configuration: win_x64_perf_bisect
  Benchmark    : scheduler.tough_scheduling_cases
  Metric       : mean_frame_time/mean_frame_time

Revision             Result                   N
chromium@473555      17.2039 +- 0.250288      21      good
chromium@473651      17.2393 +- 0.382778      21      bad

To Run This Test
  src/tools/perf/run_benchmark -v --browser=release_x64 --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests scheduler.tough_scheduling_cases

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8978148120781174800

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=6750966889578496


| 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!
Status: WontFix (was: Untriaged)

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