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149.2% regression in smoothness.top_25_smooth at 429340:429384 |
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Issue descriptionSee the link to graphs below.
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Nov 7 2016
Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8996609202242358400
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Nov 8 2016
===== BISECT JOB RESULTS ===== Status: completed === Bisection aborted === The bisect was aborted because The metric values for the initial "good" and "bad" revisions do not represent a clear regression. Please contact the the team (see below) if you believe this is in error. === Warnings === The following warnings were raised by the bisect job: * Bisect failed to reproduce the regression with enough confidence. ===== TESTED REVISIONS ===== Revision Mean Std Dev N Good? chromium@429339 16.7349 3.61464 18 good chromium@429384 17.1617 2.85973 18 bad Bisect job ran on: mac_retina_perf_bisect Bug ID: 663123 Test Command: src/tools/perf/run_benchmark -v --browser=release --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests smoothness.top_25_smooth Test Metric: mean_input_event_latency/LinkedIn Relative Change: 7.89% Score: 0 Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/mac_retina_perf_bisect/builds/1793 Job details: https://chromeperf.appspot.com/buildbucket_job_status/8996609202242358400 Not what you expected? We'll investigate and get back to you! https://chromeperf.appspot.com/bad_bisect?try_job_id=5833836401786880 | 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 Tests>AutoBisect. Thank you!
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Nov 8 2016
Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8996522376426793328
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Nov 9 2016
===== BISECT JOB RESULTS ===== Status: completed ===== SUSPECTED CL(s) ===== Subject : Revert "Touchpad scroll latching enabled for Mac behind flag." Author : sahel Commit description: This fixes Android scrollbar fading regression. reverted cl: https://crrev.com/2256733003 TBR=aelias@chromium.org BUG= 649122 , 526463 CQ_INCLUDE_TRYBOTS=master.tryserver.blink:linux_precise_blink_rel Review-Url: https://codereview.chromium.org/2467023003 Cr-Commit-Position: refs/heads/master@{#429316} Commit : d6036a082e4eea1c402dbd5d294dee1581ff201a Date : Wed Nov 02 17:26:20 2016 ===== TESTED REVISIONS ===== Revision Mean Std Dev N Good? chromium@429215 7.3222 0.884533 5 good chromium@429305 7.2902 0.57626 5 good chromium@429311 7.4184 0.655533 5 good chromium@429314 7.0232 0.489197 5 good chromium@429315 7.447 0.576071 5 good chromium@429316 18.923 0.392339 5 bad <-- chromium@429317 16.0244 4.28535 5 bad chromium@429328 18.5018 0.177698 5 bad chromium@429350 17.6604 2.49503 5 bad chromium@429394 15.6866 4.00854 5 bad chromium@429573 13.173 5.21054 5 bad Bisect job ran on: mac_retina_perf_bisect Bug ID: 663123 Test Command: src/tools/perf/run_benchmark -v --browser=release --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=LinkedIn smoothness.top_25_smooth Test Metric: mean_input_event_latency/LinkedIn Relative Change: 79.90% Score: 99.9 Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/mac_retina_perf_bisect/builds/1805 Job details: https://chromeperf.appspot.com/buildbucket_job_status/8996522376426793328 Not what you expected? We'll investigate and get back to you! https://chromeperf.appspot.com/bad_bisect?try_job_id=5775827365527552 | 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 Tests>AutoBisect. Thank you! |
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Comment 1 by briander...@chromium.org
, Nov 7 2016