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5% regression in speedometer at 414587:414626 |
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Issue descriptionSee the link to graphs below.
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Aug 26 2016
Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/9003280172933462768
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Aug 26 2016
=== Auto-CCing suspected CL author finnur@chromium.org === Hi finnur@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 : Site Settings Desktop: Fix cookie data labelling for Indexed DBs. Author : finnur Commit description: BUG=640924, 614277 CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:closure_compilation Review-Url: https://codereview.chromium.org/2277213002 Cr-Commit-Position: refs/heads/master@{#414612} Commit : aafe66ab5cdbe2036354dd6304a1f517387bab47 Date : Fri Aug 26 01:20:56 2016 ===== TESTED REVISIONS ===== Revision Mean Std Dev N Good? chromium@414586 8064.1 118.274 8 good chromium@414606 8031.67 96.2135 12 good chromium@414611 8065.65 93.679 41 good chromium@414612 8156.78 124.972 18 bad <-- chromium@414613 8119.77 111.566 41 bad chromium@414614 8126.62 103.196 41 bad chromium@414616 8130.73 106.183 41 bad chromium@414626 8164.63 96.6491 8 bad Bisect job ran on: android_nexus7_perf_bisect Bug ID: 641281 Test Command: src/tools/perf/run_benchmark -v --browser=android-chromium --output-format=chartjson --upload-results --also-run-disabled-tests speedometer Test Metric: AngularJS-TodoMVC/AngularJS-TodoMVC Relative Change: 2.16% Score: 95.0 Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/android_nexus7_perf_bisect/builds/3267 Job details: https://chromeperf.appspot.com/buildbucket_job_status/9003280172933462768 Not what you expected? We'll investigate and get back to you! https://chromeperf.appspot.com/bad_bisect?try_job_id=5893018188513280 | 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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Aug 29 2016
Couple of problems with this bisect result: 1) The perf issue is on Android and my change is Desktop only. 2) My change is a single line change from fetching one string to another. It's hard to think of a less significant change in terms of performance impact. Adding the Sheriff-Chromium label to ensure this gets triaged.
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Aug 29 2016
This is probably a flake, then, I'm closing it. |
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Comment 1 by nikolaos@chromium.org
, Aug 26 2016