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Issue 673517 link

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Issue metadata

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



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18.9% regression in blink_perf.parser at 437614:437727

Project Member Reported by prasadv@google.com, Dec 12 2016

Issue description

See the link to graphs below.
 

Comment 1 by prasadv@google.com, Dec 12 2016

All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=673517

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg99DKpQoM


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

chromium-rel-mac-hdd
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Dec 13 2016


===== BISECT JOB RESULTS =====
Status: failed


=== Bisection aborted ===
The bisect was aborted because Bisect cannot identify a culprit: Bisect failed to reproduce the regression with enough confidence.
Please contact the the team (see below) if you believe this is in error.

===== TESTED REVISIONS =====
Revision         Mean     Std Dev  N   Good?
chromium@437613  760.062  49.3889  30  good
chromium@437727  755.127  63.4671  30  bad

Bisect job ran on: mac_hdd_perf_bisect
Bug ID: 673517

Test Command: src/tools/perf/run_benchmark -v --browser=release --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests blink_perf.parser
Test Metric: textarea-parsing/textarea-parsing
Relative Change: 0.65%

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/mac_hdd_perf_bisect/builds/907
Job details: https://chromeperf.appspot.com/buildbucket_job_status/8993440933041107248


Not what you expected? We'll investigate and get back to you!
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5212745551577088

| 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 Tests>AutoBisect.  Thank you!
Project Member

Comment 5 by 42576172...@developer.gserviceaccount.com, Apr 11 2017


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

Bisect Details
  Configuration: mac_hdd_perf_bisect
  Benchmark    : blink_perf.parser
  Metric       : textarea-parsing/textarea-parsing

Revision             Result                  N
chromium@437613      760.062 +- 49.3889      30      good
chromium@437727      755.127 +- 63.4671      30      bad

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

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8982651833515398896

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5212745551577088


| 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)
This alert was found before M-60 branched. Closing as WontFix as this is believed to either be invalid or non-reproducible.

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