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Issue 754245 link

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Issue metadata

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



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4.1% regression in thread_times.key_silk_cases at 482862:482921

Project Member Reported by primiano@chromium.org, Aug 10 2017

Issue description

See the link to graphs below.
 
Project Member

Comment 1 by 42576172...@developer.gserviceaccount.com, Aug 10 2017

All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=754245

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=84403503d00c221610a9e6808d7748848b3052cd3682722d5221ee92366000cd


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

android-nexus5
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Aug 11 2017


=== BISECT JOB RESULTS ===
Bisect was unable to run to completion

Error: INFRA_FAILURE

The bisect was able to narrow the range, you can try running with:
  good_revision: 41765c0da435e28b914a271fc64dfe2c761fdb5d
  bad_revision : 7df4d3a9181f7138fb7ea00c5a8bf51db6e8250a

If failures persist contact the team (see below) and report the error.


Bisect Details
  Configuration: android_nexus5_perf_bisect
  Benchmark    : thread_times.key_silk_cases
  Metric       : thread_raster_cpu_time_per_frame/thread_raster_cpu_time_per_frame

Revision             Result                   N
chromium@482861      1.74428 +- 0.201768      14      good
chromium@482891      1.76066 +- 0.301863      21      good
chromium@482906      1.77605 +- 0.326568      14      bad
chromium@482921      1.81865 +- 0.198047      13      bad

To Run This Test
  src/tools/perf/run_benchmark -v --browser=android-chromium --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests thread_times.key_silk_cases

More information on addressing performance regressions:
  http://g.co/ChromePerformanceRegressions

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8971644024568682336


For feedback, file a bug with component Speed>Bisection
Status: WontFix (was: Untriaged)
This didn't repro, graph is noisy.

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