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

Issue 717143 link

Starred by 1 user

Issue metadata

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



Sign in to add a comment

176.4% regression in media.tough_video_cases at 467620:467677

Project Member Reported by w...@chromium.org, May 1 2017

Issue description

See the link to graphs below.
 

Comment 1 by w...@chromium.org, May 1 2017

All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=717143

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgsuTnrQoM


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

win-high-dpi

Comment 3 by w...@chromium.org, May 1 2017

Cc: -watk@google.com w...@chromium.org
Components: Internals>Media

=== BISECT JOB RESULTS ===
Perf regression found but unable to narrow commit range

Build failures prevented the bisect from narrowing the range further.


Bisect Details
  Configuration: winx64_high_dpi_perf_bisect
  Benchmark    : media.tough_video_cases
  Metric       : energy_consumption_mwh/video.html?src_tulip2.m4a_type_audio
  Change       : 14.60% | 17.6263464065 -> 20.199025472

Suspected Commit Range
  3 commits in range
  https://chromium.googlesource.com/chromium/src/+log/dfd5b6f49e5382da44646018e2471a3e9f15f96f..15e8fb8c185a6137e42c895401c127972249d26f


Revision             Result                   N
chromium@467619      17.6263 +- 0.927523      14       good
chromium@467634      17.5938 +- 0.72451       9        good
chromium@467638      18.0709 +- 3.94834       14       good
chromium@467639      ---                      ---      build failure
chromium@467640      ---                      ---      build failure
chromium@467641      20.249 +- 13.4309        14       bad
chromium@467648      17.9264 +- 0.818031      14       bad
chromium@467677      20.199 +- 13.7381        14       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=video.html.src.tulip2.m4a.type.audio media.tough_video_cases

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8980775461467901392

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5868605436067840


| 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!
Components: -Internals>Media Internals>Media>Audio
Owner: dalecur...@chromium.org
Status: Assigned (was: Untriaged)
as per c#4, perf regression is on src_tulip2.m4a_type_audio.
give to dale to start investigation.
Status: WontFix (was: Assigned)
Seems to have fixed itself.

Sign in to add a comment