New issue
Advanced search Search tips
Note: Color blocks (like or ) mean that a user may not be available. Tooltip shows the reason.

Issue 718881 link

Starred by 1 user

Issue metadata

Status: Duplicate
Merged: issue 718757
Owner: ----
Closed: May 2017
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



Sign in to add a comment

16.4% regression in page_cycler_v2.intl_ja_zh at 468664:468763

Project Member Reported by kraynov@chromium.org, May 5 2017

Issue description

See the link to graphs below.
 
All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=718881

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgisSBpQoM


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

chromium-rel-win7-gpu-nvidia
Mergedinto: 718757
Status: Duplicate (was: Untriaged)

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

Suspected Commit
  Author : scottmg
  Commit : 6b0131a01da5149cd7acb81973f881a0d85fbe59
  Date   : Tue May 02 16:34:31 2017
  Subject: network service: Plumbing to get URLLoaderFactory to renderer on nav commit

Bisect Details
  Configuration: winx64nvidia_perf_bisect
  Benchmark    : page_cycler_v2.intl_ja_zh
  Metric       : timeToFirstContentfulPaint_avg/pcv1-warm/http___hatena.ne.jp_
  Change       : 18.21% | 42.9096666665 -> 50.7251666668

Revision             Result                  N
chromium@468663      42.9097 +- 4.707        6      good
chromium@468670      44.5523 +- 5.54218      6      good
chromium@468673      44.4127 +- 5.68429      6      good
chromium@468674      43.7618 +- 5.39985      6      good
chromium@468675      50.3147 +- 4.23268      6      bad       <--
chromium@468676      51.6678 +- 3.75429      6      bad
chromium@468688      50.1963 +- 6.00026      6      bad
chromium@468713      50.4982 +- 5.13899      6      bad
chromium@468763      50.7252 +- 3.88768      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 --story-filter=http...hatena.ne.jp. page_cycler_v2.intl_ja_zh

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8980425782614655664

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=4943383899930624


| 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!

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

Suspected Commit
  Author : scottmg
  Commit : 6b0131a01da5149cd7acb81973f881a0d85fbe59
  Date   : Tue May 02 16:34:31 2017
  Subject: network service: Plumbing to get URLLoaderFactory to renderer on nav commit

Bisect Details
  Configuration: winx64nvidia_perf_bisect
  Benchmark    : page_cycler_v2.intl_ja_zh
  Metric       : timeToFirstContentfulPaint_avg/pcv1-warm/http___hatena.ne.jp_
  Change       : 18.59% | 43.9473333331 -> 52.1155

Revision             Result                  N
chromium@468663      43.9473 +- 5.69954      6      good
chromium@468670      44.5857 +- 3.99047      6      good
chromium@468673      45.9786 +- 8.49082      9      good
chromium@468674      44.0078 +- 2.15015      6      good
chromium@468675      51.9422 +- 3.70975      6      bad       <--
chromium@468676      52.8357 +- 4.79181      6      bad
chromium@468688      51.2775 +- 3.25615      6      bad
chromium@468713      51.9178 +- 3.11294      6      bad
chromium@468763      52.1155 +- 4.88034      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 --story-filter=http...hatena.ne.jp. page_cycler_v2.intl_ja_zh

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8980425770302608992

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5333579262853120


| 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!

Sign in to add a comment