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Issue 732292 link

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Issue metadata

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



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6.4% regression in system_health.common_desktop at 476906:476907

Project Member Reported by alexclarke@chromium.org, Jun 12 2017

Issue description

See the link to graphs below.
 
All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=732292

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgpurvrAkM


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

chromium-rel-win7-gpu-ati
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Jun 12 2017


=== 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: winx64ati_perf_bisect
  Benchmark    : system_health.common_desktop
  Metric       : cpu_time_percentage_avg/browse_search/browse_search_google_india
  Change       : 3.84% | 0.0853635296121 -> 0.0820851736824

Suspected Commit Range
  2 commits in range
  https://chromium.googlesource.com/chromium/src/+log/66cbc51065241fa84dffc55fbecbeb06283f1507..642e17c22f5df7b55ffba0590c3ace92e2cbba2a


Revision             Result                       N
chromium@476905      0.0853635 +- 0.0104883       14       good
chromium@476906      ---                          ---      build failure
chromium@476907      0.0820852 +- 0.00790902      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=browse.search.google.india system_health.common_desktop

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8977002066666620608

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=6382878453137408


| 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!
Project Member

Comment 5 by 42576172...@developer.gserviceaccount.com, Jun 12 2017


=== BISECT JOB RESULTS ===
NO Perf regression found

Bisect Details
  Configuration: winx64ati_perf_bisect
  Benchmark    : system_health.common_desktop
  Metric       : cpu_time_percentage_avg/browse_search/browse_search_google_india

Revision             Result                      N
chromium@476850      0.0829713 +- 0.0146342      21      good
chromium@476950      0.0833762 +- 0.0118918      21      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=browse.search.google.india system_health.common_desktop

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8976992603575918256

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5774901002108928


| 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!
Project Member

Comment 7 by 42576172...@developer.gserviceaccount.com, Jun 12 2017


=== BISECT JOB RESULTS ===
NO Perf regression found

Bisect Details
  Configuration: winx64ati_perf_bisect
  Benchmark    : system_health.common_desktop
  Metric       : cpu_time_percentage_avg/browse_search/browse_search_google_india

Revision             Result                      N
chromium@476850      0.0832655 +- 0.0115855      21      good
chromium@476950      0.0842948 +- 0.0126022      21      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=browse.search.google.india system_health.common_desktop

Debug Info
  https://chromeperf.appspot.com/buildbucket_job_status/8976985464856503648

Is this bisect wrong?
  https://chromeperf.appspot.com/bad_bisect?try_job_id=5774901002108928


| 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!
Status: WontFix (was: Untriaged)
The ref kind of goes up with this, too. Closing as wontfix.

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