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1.9%-116.5% regression in smoothness.top_25_smooth at 384916:384970 |
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Issue descriptionSee the link to graphs below.
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Apr 5 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@384927 160.926346 21.9353 18 good chromium@384932 162.350177 41.925698 18 bad Bisect job ran on: mac_10_10_perf_bisect Bug ID: 600653 Test Command: src/tools/perf/run_benchmark -v --browser=release --output-format=chartjson --also-run-disabled-tests smoothness.top_25_smooth Test Metric: input_event_latency_discrepancy/input_event_latency_discrepancy Relative Change: 5.15% Score: 0 Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/mac_10_10_perf_bisect/builds/2076 Job details: https://chromeperf.appspot.com/buildbucket_job_status/9016239150702151152 Not what you expected? We'll investigate and get back to you! https://chromeperf.appspot.com/bad_bisect?try_job_id=600653 | 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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Apr 5 2016
Kicked off another bisect on a larger regression: https://chromeperf.appspot.com/buildbucket_job_status/9016216304853603968
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Apr 5 2016
For the mac cases; see graph: https://chromeperf.appspot.com/report?sid=5e775f30af908f72149a5b5ab231da0ff129f1f65b4c2f9c71b3cd6d2eeff25f&start_rev=382063&end_rev=385151 There was a data stoppage (which was seen as an improvement; change https://chromium.googlesource.com/chromium/src/+/ca4feba9a31e10d1baab5813650c192e06cfd643) and a subsequent fix ensure all the tests are reporting in https://chromium.googlesource.com/chromium/src/+/581656043e63a1e26fb6b038823b2d0bb2a28710 As for the other tests I'm not sure they involve input something else might be going on with those tests.
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Apr 5 2016
sullivan@; please see comment #4.
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Apr 5 2016
dtapushka: Thanks! I split off the other regressions (which appear to be a revert of an improvement in memory on android) into bug 600708 . Can this one be closed per comment 4?
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Apr 5 2016
Closing as per this is expected. There was a data stoppage and the stoppage was resolved. See issue 596823 detailing the data stoppage.
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Apr 5 2016
=== Auto-CCing suspected CL author dtapuska@chromium.org === Hi dtapuska@chromium.org, the bisect results pointed to your CL below as possibly causing a regression. Please have a look at this info and see whether your CL be related. ===== BISECT JOB RESULTS ===== Status: completed ===== SUSPECTED CL(s) ===== Subject : Fix Event Latency Info on generate gesture events. Author : dtapuska Commit description: Generated gesture events weren't marking the begin component correctly which caused the tag not to be set correctly. In order to achieve this proper marking the events need to propagate up from the InputRouterImpl into the RenderWidgetHostImpl which adds the latency information. BUG= 596823 Review URL: https://codereview.chromium.org/1847823005 Cr-Commit-Position: refs/heads/master@{#384951} Commit : 581656043e63a1e26fb6b038823b2d0bb2a28710 Date : Mon Apr 04 18:01:27 2016 ===== TESTED REVISIONS ===== Revision Mean Value Std. Dev. Num Values Good? chromium@384927 290.76092 68.021694 5 good chromium@384939 377.45084 40.89145 5 good chromium@384947 364.286 95.464683 5 good chromium@384949 280.5826 102.500036 5 good chromium@384950 399.84072 15.570814 5 good chromium@384951 1740.85338 297.298174 5 bad <- chromium@384954 2149.9889 243.728848 5 bad chromium@384974 1562.18042 131.723278 5 bad Bisect job ran on: mac_10_11_perf_bisect Bug ID: 600653 Test Command: src/tools/perf/run_benchmark -v --browser=release --output-format=chartjson --also-run-disabled-tests smoothness.gpu_rasterization.top_25_smooth Test Metric: input_event_latency_discrepancy/https___plus.google.com_110031535020051778989_posts Relative Change: 437.27% Score: 99.9 Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/mac_10_11_perf_bisect/builds/572 Job details: https://chromeperf.appspot.com/buildbucket_job_status/9016216304853603968 Not what you expected? We'll investigate and get back to you! https://chromeperf.appspot.com/bad_bisect?try_job_id=600653 | 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 toyoshim@chromium.org
, Apr 5 2016