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Issue metadata

Status: WontFix
Merged: issue 700364
Owner: ----
Closed: Mar 2017
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression

Blocking:
issue 698746


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Hotlists containing this issue:
I-TF-Launch


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19.9%-26.5% regression in kraken at 455680:455817

Project Member Reported by hjd@chromium.org, Mar 13 2017

Issue description

See the link to graphs below.
 
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Mar 13 2017

Mergedinto: 700364
Status: Duplicate (was: Untriaged)

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

Suspected Commit
  Author : Michael Hablich
  Commit : 7c3936c67a6361371d9a00d83e2c03ecc603ce76
  Date   : Thu Mar 09 08:05:42 2017
  Subject: Version 5.9.34.1 (Turn on I+TF)

Bisect Details
  Configuration: winx64_zen_perf_bisect
  Benchmark    : kraken
  Metric       : Total/Total
  Change       : 26.50% | 1554.05 -> 1965.95

Revision                           Result                  N
chromium@455707                    1554.05 +- 39.603       6      good
chromium@455717                    1548.32 +- 25.5884      6      good
chromium@455719                    1549.02 +- 21.3417      6      good
chromium@455719,v8@7c3936c67a      1966.65 +- 36.4225      6      bad       <--
chromium@455719,v8@fbffc377e3      1961.28 +- 27.9351      6      bad
chromium@455720                    2000.4 +- 147.512       6      bad
chromium@455722                    1969.18 +- 23.7682      6      bad
chromium@455727                    1966.43 +- 39.1307      6      bad
chromium@455746                    1980.92 +- 75.1524      6      bad
chromium@455785                    1965.95 +- 28.1538      6      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 kraken

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8985229505701100064

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5575144350679040


| 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!

Comment 4 by hjd@chromium.org, Mar 13 2017

Blocking: 698746
Status: Available (was: Duplicate)
 Issue 701049  has been merged into this issue.
Cc: seththompson@chromium.org
Status: WontFix (was: Available)
20 -25 % regression was expected. => WontFix

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