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Issue 623838 link

Starred by 2 users

Issue metadata

Status: WontFix
Owner:
Closed: Jul 2016
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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7.9% regression in page_cycler.intl_ko_th_vi at 401902:401941

Project Member Reported by lanwei@google.com, Jun 28 2016

Issue description

See the link to graphs below.
 

Comment 1 by lanwei@google.com, Jun 28 2016

All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=623838

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgwp_QoQsM


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

chromium-rel-win7-gpu-ati
Project Member

Comment 2 by 42576172...@developer.gserviceaccount.com, Jun 28 2016


===== BISECT JOB RESULTS =====
Status: completed


=== Bisection aborted ===
The bisect was aborted because The metric values for the initial "good" and "bad" revisions do not represent a clear regression.
Please contact the the team (see below) if you believe this is in error.

=== Warnings ===
The following warnings were raised by the bisect job:

 * Bisect failed to reproduce the regression with enough confidence.

===== TESTED REVISIONS =====
Revision         Mean     Std Dev  N   Good?
chromium@401901  631.911  15.4523  18  good
chromium@401941  626.293  33.9981  18  bad

Bisect job ran on: winx64ati_perf_bisect
Bug ID: 623838

Test Command: src/tools/perf/run_benchmark -v --browser=release_x64 --output-format=chartjson --upload-results --also-run-disabled-tests page_cycler.intl_ko_th_vi
Test Metric: warm_times/page_load_time
Relative Change: 3.86%
Score: 0

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/winx64ati_perf_bisect/builds/1398
Job details: https://chromeperf.appspot.com/buildbucket_job_status/9008647852783928080


Not what you expected? We'll investigate and get back to you!
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5908786565349376

| 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 3 by sheriffbot@chromium.org, Jun 28 2016

Labels: Hotlist-Google
Project Member

Comment 4 by sheriffbot@chromium.org, Jul 2 2016

Labels: -M-53 M-54 MovedFrom-53
Moving this nonessential bug to the next milestone.

For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot
This looks like it may have recovered, but it's hard to say if the improvement was related to this regression.

Lan, can you follow up?
Project Member

Comment 6 by 42576172...@developer.gserviceaccount.com, Jul 11 2016


===== BISECT JOB RESULTS =====
Status: completed


=== Bisection aborted ===
The bisect was aborted because The metric values for the initial "good" and "bad" revisions do not represent a clear regression.
Please contact the the team (see below) if you believe this is in error.

=== Warnings ===
The following warnings were raised by the bisect job:

 * Bisect failed to reproduce the regression with enough confidence.

===== TESTED REVISIONS =====
Revision         Mean     Std Dev  N   Good?
chromium@401901  629.653  9.58026  18  good
chromium@401941  627.564  9.5471   18  bad

Bisect job ran on: winx64ati_perf_bisect
Bug ID: 623838

Test Command: src/tools/perf/run_benchmark -v --browser=release_x64 --output-format=chartjson --upload-results --also-run-disabled-tests page_cycler.intl_ko_th_vi
Test Metric: warm_times/page_load_time
Relative Change: 1.14%
Score: 0

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/winx64ati_perf_bisect/builds/1425
Job details: https://chromeperf.appspot.com/buildbucket_job_status/9007426352658616320


Not what you expected? We'll investigate and get back to you!
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5775477256486912

| 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!

Comment 7 by lanwei@chromium.org, Jul 21 2016

Status: WontFix (was: Assigned)
This test stopped providing any data since June 30, so mark it as WontFix for now.

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