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7.5%-3836.3% regression in page_cycler_v2.typical_25 at 450582:450723 |
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Issue descriptionSee the link to graphs below.
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Feb 17 2017
Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8987421928816441024
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Feb 17 2017
=== BISECT JOB RESULTS === Perf regression found with culprit Suspected Commit Author : perezju Commit : fc25e6f948ca9973f27d812a8cc7086738b279a1 Date : Wed Feb 15 11:18:55 2017 Subject: Reland of [Telemetry] Switch clients to new JavaScript API (batch 5) (patchset #1 id:1 of https://codereview.chromium.org/2692763002/ ) Bisect Details Configuration: winx64nvidia_perf_bisect Benchmark : page_cycler_v2.intl_ja_zh Metric : timeToFirstContentfulPaint_avg/pcv1-warm/http___2ch.net_ Change : 4151.06% | 17.5986666655 -> 748.129583334 Revision Result N chromium@450643 17.5987 +- 7.74557 6 good chromium@450671 15.5802 +- 7.17079 6 good chromium@450673 17.5865 +- 7.97476 6 good chromium@450673,catapult@fc25e6f948 716.696 +- 186.471 6 bad <-- chromium@450674 678.999 +- 198.179 6 bad chromium@450675 683.59 +- 181.009 6 bad chromium@450678 724.385 +- 215.882 6 bad chromium@450685 713.516 +- 221.735 6 bad chromium@450699 748.13 +- 108.981 6 bad To Run This Test src/tools/perf/run_benchmark -v --browser=release_x64 --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=http...2ch.net. page_cycler_v2.intl_ja_zh Debug Info https://chromeperf.appspot.com/buildbucket_job_status/8987421928816441024 Is this bisect wrong? https://chromeperf.appspot.com/bad_bisect?try_job_id=5875666509103104 | 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 alexclarke@chromium.org
, Feb 17 2017