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157% regression in smoothness.fling.simple_mobile_sites at 385941:385979 |
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Issue descriptionSee the link to graphs below.
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Apr 20 2016
Bisect re-kicked with wider revision range. Details on the below link: ======================== https://chromeperf.appspot.com/group_report?bug_id=602328 Thank you!
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Apr 20 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 Value Std. Dev. Num Values Good? chromium@385910 55.777104 6.850745 18 good chromium@386040 99.743424 51.296966 18 bad Bisect job ran on: android_nexus5X_perf_bisect Bug ID: 602328 Test Command: src/tools/perf/run_benchmark -v --browser=android-chromium --output-format=chartjson --upload-results --also-run-disabled-tests smoothness.fling.simple_mobile_sites Test Metric: input_event_latency_discrepancy/input_event_latency_discrepancy Relative Change: 117.81% Score: 0 Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/android_nexus5X_perf_bisect/builds/105 Job details: https://chromeperf.appspot.com/buildbucket_job_status/9014884269787945344 Not what you expected? We'll investigate and get back to you! https://chromeperf.appspot.com/bad_bisect?try_job_id=602328 | 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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May 9 2016
Bisect re-kicked with wider revision range as the previous one failed. Details on the below link: ------------------------- https://chromeperf.appspot.com/group_report?bug_id=602328 Thank you!
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May 9 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@385910 55.9404 6.15101 18 good chromium@386030 104.183 50.2523 18 bad Bisect job ran on: android_nexus5X_perf_bisect Bug ID: 602328 Test Command: src/tools/perf/run_benchmark -v --browser=android-chromium --output-format=chartjson --upload-results --also-run-disabled-tests smoothness.fling.simple_mobile_sites Test Metric: input_event_latency_discrepancy/input_event_latency_discrepancy Relative Change: 100.61% Score: 0 Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/android_nexus5X_perf_bisect/builds/163 Job details: https://chromeperf.appspot.com/buildbucket_job_status/9013137302691787760 Not what you expected? We'll investigate and get back to you! https://chromeperf.appspot.com/bad_bisect?try_job_id=5794604360663040 | 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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May 9 2016
Two of the regressions seem to hba gone back to normal. Kicked off one on the webview chart that is still regressed: https://chromeperf.appspot.com/buildbucket_job_status/9013131504634204992
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May 9 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@384356 16.9638 0.158202 18 good chromium@387000 17.2306 0.328622 18 bad Bisect job ran on: android_webview_aosp_perf_bisect Bug ID: 602328 Test Command: src/tools/perf/run_benchmark -v --browser=android-chromium --output-format=chartjson --upload-results --also-run-disabled-tests smoothness.fling.simple_mobile_sites Test Metric: frame_times/http___m.nytimes.com_ Relative Change: 0.30% Score: 0 Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/android_webview_aosp_perf_bisect/builds/135 Job details: https://chromeperf.appspot.com/buildbucket_job_status/9013131504634204992 Not what you expected? We'll investigate and get back to you! https://chromeperf.appspot.com/bad_bisect?try_job_id=5833679436251136 | 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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Jun 1 2016
Moving this nonessential bug to the next milestone. For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot
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Jul 6 2016
The alerts for this bug include two that have no ref build results (could be noise) and one that looks recovered; no clear evidence of a real regression. Bisect also failed to reproduce a regression. |
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Comment 1 by rsch...@chromium.org
, Apr 11 2016