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500 alerts from chromium-rel-mac-retina after ~2500 revision jump |
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Issue descriptionThere are 500 alerts from chromium-rel-mac-retina bots on system_health.common_desktop. All of them report regressions between 472742-475219, but looks all are false. As I picked up some samples out of 500, it has reported ~0 values for a while, then started to report values after the 2500 revision jump. The value looks better than one of reported before the ~0 duration. I will file a bug for a record, but will soon close as WontFix.
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May 29 2017
Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8978260084625992480
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May 29 2017
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May 29 2017
=== BISECT JOB RESULTS === NO Perf regression found Bisect Details Configuration: mac_retina_perf_bisect Benchmark : system_health.common_desktop Metric : after_load:power_avg/load_games/load_games_bubbles Revision Result N chromium@472741 10.2845 +- 0.504093 19 good chromium@475219 10.2224 +- 0.348022 20 bad To Run This Test src/tools/perf/run_benchmark -v --browser=release --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=load.games.bubbles system_health.common_desktop Debug Info https://chromeperf.appspot.com/buildbucket_job_status/8978260084625992480 Is this bisect wrong? https://chromeperf.appspot.com/bad_bisect?try_job_id=6363029765095424 | 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 Speed>Bisection. Thank you!
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May 29 2017
Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8978246272627122480
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May 29 2017
=== BISECT JOB RESULTS === NO Perf regression found Bisect Details Configuration: mac_retina_perf_bisect Benchmark : system_health.common_desktop Metric : after_load:power_avg/load_games/load_games_bubbles Revision Result N chromium@472741 10.2218 +- 0.743153 21 good chromium@475219 10.1918 +- 0.951154 20 bad To Run This Test src/tools/perf/run_benchmark -v --browser=release --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=load.games.bubbles system_health.common_desktop Debug Info https://chromeperf.appspot.com/buildbucket_job_status/8978246272627122480 Is this bisect wrong? https://chromeperf.appspot.com/bad_bisect?try_job_id=6363029765095424 | 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 Speed>Bisection. Thank you! |
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Comment 1 by toyoshim@chromium.org
, May 29 2017