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20.8%-53.2% regression in smoothness.top_25_smooth at 434145:434240 |
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Issue descriptionGraphs included below.
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Nov 28 2016
Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8994717433332316672
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Nov 29 2016
===== BISECT JOB RESULTS ===== Status: failed === Bisection aborted === The bisect was aborted because Bisect cannot identify a culprit: Bisect failed to reproduce the regression with enough confidence. Please contact the the team (see below) if you believe this is in error. ===== TESTED REVISIONS ===== Revision Mean Std Dev N Good? chromium@434174 1.62459 1.19491 27 good chromium@434183 1.73944 1.4739 27 bad Bisect job ran on: mac_10_11_perf_bisect Bug ID: 669173 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: first_gesture_scroll_update_latency/LinkedIn Relative Change: None Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/mac_10_11_perf_bisect/builds/1064 Job details: https://chromeperf.appspot.com/buildbucket_job_status/8994717433332316672 Not what you expected? We'll investigate and get back to you! https://chromeperf.appspot.com/bad_bisect?try_job_id=5910671974203392 | 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 29 2016
Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8994702751990931152
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Nov 29 2016
Rerunning with wider range.
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Nov 29 2016
===== BISECT JOB RESULTS ===== Status: failed === Bisection aborted === The bisect was aborted because Bisect cannot identify a culprit: Bisect failed to reproduce the regression with enough confidence. Please contact the the team (see below) if you believe this is in error. ===== TESTED REVISIONS ===== Revision Mean Std Dev N Good? chromium@433861 1.65296 1.04607 27 good chromium@434233 1.66774 1.23738 27 bad Bisect job ran on: mac_10_11_perf_bisect Bug ID: 669173 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: first_gesture_scroll_update_latency/LinkedIn Relative Change: None Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/mac_10_11_perf_bisect/builds/1070 Job details: https://chromeperf.appspot.com/buildbucket_job_status/8994702751990931152 Not what you expected? We'll investigate and get back to you! https://chromeperf.appspot.com/bad_bisect?try_job_id=5851862866067456 | 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 30 2016
Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8994613950975483456
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Nov 30 2016
===== BISECT JOB RESULTS ===== Status: completed ===== SUSPECTED CL(s) ===== Subject : Update ts_proxy to latest commit Author : nednguyen Commit description: For all the changes, see: https://github.com/WPO-Foundation/tsproxy/compare/6fae6141104d077c8ceb1136b6ddee5b98f30240...9ae7d2ff822cb7cef15bc54ff614273c99691744 The main change is "Reduced CPU impact when idle or running in bypass mode". Bug: https://code.google.com/p/chrome-os-partner/issues/detail?id=60009 BUG=chromium:653519 Review-Url: https://codereview.chromium.org/2516973005 Commit : 4e71cc39324b205febf5a4cfa3a089a1e2aeab74 Date : Wed Nov 23 17:55:09 2016 ===== TESTED REVISIONS ===== Revision Mean Std Dev N Good? chromium@434144 1.5435 0.306232 8 good chromium@434199 1.82175 0.877516 8 good chromium@434226 1.64938 0.535623 8 good chromium@434240 1.64588 0.475036 8 good chromium@434247 1.88438 0.907624 8 good chromium@434248 1.525 0.481626 8 good chromium@434248,catapult@982d024dad 1.4704 0.102709 5 good chromium@434248,catapult@4e71cc3932 2.38925 0.971056 8 bad <-- chromium@434249 2.5276 0.14636 5 bad chromium@434250 2.554 0.138174 5 bad chromium@434253 2.538 0.251348 8 bad Bisect job ran on: mac_10_11_perf_bisect Bug ID: 669173 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: first_gesture_scroll_update_latency/LinkedIn Relative Change: 63.91% Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/mac_10_11_perf_bisect/builds/1078 Job details: https://chromeperf.appspot.com/buildbucket_job_status/8994613950975483456 Not what you expected? We'll investigate and get back to you! https://chromeperf.appspot.com/bad_bisect?try_job_id=6443924107821056 | 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 benhenry@chromium.org
, Nov 28 2016