New issue
Advanced search Search tips

Issue 729239 link

Starred by 1 user

Issue metadata

Status: Duplicate
Merged: issue 729237
Owner: ----
Closed: Jun 2017
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



Sign in to add a comment

10.1% regression in jetstream at 475746:475839

Project Member Reported by m...@chromium.org, Jun 2 2017

Issue description

See the link to graphs below.
 

Comment 1 by m...@chromium.org, Jun 2 2017

All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=729239

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgxuq06wgM


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

linux-release
Mergedinto: 729237
Status: Duplicate (was: Untriaged)

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

Suspected Commit
  Author : Mike Klein
  Commit : b5e4842543318e1eac827433855c9a37cdb7f26a
  Date   : Wed May 31 02:40:10 2017
  Subject: clean up now that min_stride == 1

Bisect Details
  Configuration: linux_perf_bisect
  Benchmark    : jetstream
  Metric       : Score/Score
  Change       : 10.63% | 188.111111111 -> 168.111111111

Revision                             Result                   N
chromium@475745                      188.111 +- 1.12217       6      good
chromium@475792                      188.0 +- 2.4037          6      good
chromium@475804                      187.722 +- 1.19412       6      good
chromium@475810                      187.722 +- 1.59281       6      good
chromium@475811                      187.944 +- 1.7267        6      good
chromium@475811,skia@7f6ad01336      187.056 +- 1.85093       6      good
chromium@475811,skia@b5e4842543      167.5 +- 3.51979         6      bad       <--
chromium@475812                      168.056 +- 0.871355      6      bad
chromium@475813                      167.667 +- 1.05409       6      bad
chromium@475816                      167.889 +- 1.46566       6      bad
chromium@475839                      168.111 +- 1.46566       6      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 jetstream

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8977855751864266640

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5216754667618304


| 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