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10.1% regression in blink_perf.css at 462584:462739 |
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Issue descriptionSee the link to graphs below.
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Apr 19 2017
Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8981887941471543040
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Apr 21 2017
Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8981705050267040768
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Apr 24 2017
Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8981432742766180416
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Apr 25 2017
=== BISECT JOB RESULTS === Bisect failed for unknown reasons Please contact the team (see below) and report the error. Bisect Details Configuration: android_webview_arm64_aosp_perf_bisect Benchmark : blink_perf.css Metric : StyleSheetInsert/StyleSheetInsert To Run This Test src/tools/perf/run_benchmark -v --browser=android-webview --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests blink_perf.css Debug Info https://chromeperf.appspot.com/buildbucket_job_status/8981432742766180416 Is this bisect wrong? https://chromeperf.appspot.com/bad_bisect?try_job_id=5829266924634112 | 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 2 2017
Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8980663328132735472
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May 4 2017
=== BISECT JOB RESULTS === Perf regression found with culprit Suspected Commit Author : ckrasic Commit : dee375739b384173dea843b8f4e1632a4318d4d3 Date : Thu Apr 06 22:42:27 2017 Subject: QUIC - fix crash bug in client handling of Server Push. Bisect Details Configuration: android_webview_arm64_aosp_perf_bisect Benchmark : blink_perf.css Metric : StyleSheetInsert/StyleSheetInsert Change : 0.89% | 536.716555556 -> 531.914222222 Revision Result N chromium@462583 536.717 +- 8.04219 9 good chromium@462622 532.392 +- 9.89298 9 good chromium@462642 531.984 +- 11.6555 14 good chromium@462652 531.538 +- 6.3949 9 good chromium@462657 531.268 +- 10.5685 14 good chromium@462658 531.74 +- 11.6665 9 good chromium@462659 526.153 +- 9.64962 9 bad <-- chromium@462661 527.167 +- 8.58411 9 bad chromium@462739 531.914 +- 9.54263 9 bad To Run This Test src/tools/perf/run_benchmark -v --browser=android-webview --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests blink_perf.css Debug Info https://chromeperf.appspot.com/buildbucket_job_status/8980663328132735472 Is this bisect wrong? https://chromeperf.appspot.com/bad_bisect?try_job_id=5829266924634112 | 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
, Apr 19 2017