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Issue 697874 link

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Issue metadata

Status: Duplicate
Merged: issue 697871
Owner: ----
Closed: Mar 2017
Cc:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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3.7%-16% regression in thread_times.simple_mobile_sites at 453121:453157

Project Member Reported by sullivan@chromium.org, Mar 2 2017

Issue description

Possibly related android input latency regressions in same revision range are tracked in  bug 697873 .
 
All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=697874

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgpI67wQsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg5IazsAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgpPmZpQsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgpJm8rwsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgpNmUpAkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgpJnNsQsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgpKf_pwoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgxJfzsQoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgpIettwoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgpLyKsAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgpMmMqgoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgpLWKoAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgpMDjrQoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgpMmQswoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgpPbTowoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgpMqkowoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgxPvjoAkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgpJyPogoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgpIqNtAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgxN-VugsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgpLbWvwkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgpKO6vwoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDghKvt4wkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgpIrGuAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgpKuXvQsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgpPGL8QkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgpKLHvwkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgpPX1swoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgpJOapwkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgxKf6sAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgpI7mpwoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgxIWz9AkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgxJO0pQoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgpOG8uQkM


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

android-nexus5
android-nexus5X
android-nexus6
android-nexus7v2
android-one
android-webview-nexus5X
android-webview-nexus6
Mergedinto: 697871
Status: Duplicate (was: Untriaged)

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

Suspected Commit
  Author : dtapuska
  Commit : 53f9f4ee5790ce47bf43eee521fdd3536cd1763a
  Date   : Mon Feb 27 01:14:26 2017
  Subject: Add a passthrough touch event queue.

Bisect Details
  Configuration: android_webview_nexus6_aosp_perf_bisect
  Benchmark    : thread_times.simple_mobile_sites
  Metric       : thread_IO_cpu_time_per_frame/thread_IO_cpu_time_per_frame
  Change       : 14.58% | 1.85514677683 -> 2.12568178042

Revision             Result                    N
chromium@453120      1.85515 +- 0.0166216      6      good
chromium@453130      1.86763 +- 0.0739543      6      good
chromium@453132      1.8619 +- 0.050893        6      good
chromium@453133      2.14294 +- 0.0193508      6      bad       <--
chromium@453135      2.13754 +- 0.0243469      6      bad
chromium@453139      2.12434 +- 0.0378894      6      bad
chromium@453157      2.12568 +- 0.0192523      6      bad

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

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8986224042255308656

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5133420688048128


| 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!

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