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11.8% regression in thread_times.key_idle_power_cases at 471271:471286 |
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Issue descriptionSee the link to graphs below.
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May 18 2017
Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8979246018259155280
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May 20 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 : thread_times.key_idle_power_cases Metric : tasks_per_second_total_all/blank.html 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 --story-filter=blank.html thread_times.key_idle_power_cases Debug Info https://chromeperf.appspot.com/buildbucket_job_status/8979246018259155280 Is this bisect wrong? https://chromeperf.appspot.com/bad_bisect?try_job_id=5481644267405312 | 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 20 2017
Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8979114495093009872
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May 21 2017
=== BISECT JOB RESULTS === Perf regression found with culprit Suspected Commit Author : mlippautz Commit : f86985ad116d75255ddf78b3a4df2590543fd8cd Date : Wed May 10 15:30:36 2017 Subject: [heap] Bound number of tasks by embedder limit instead of artificially capping Bisect Details Configuration: android_webview_arm64_aosp_perf_bisect Benchmark : thread_times.key_idle_power_cases Metric : tasks_per_second_total_all/blank.html Change : 11.33% | 2.92994702257 -> 3.26176941652 Revision Result N chromium@471270 2.92995 +- 0.0583388 6 good chromium@471278 2.95434 +- 0.0835467 6 good chromium@471280 2.92977 +- 0.135807 6 good chromium@471280,v8@5c66d6fcd4 2.90404 +- 0.178678 6 good chromium@471280,v8@cf37556f0e 2.92988 +- 0.0563524 6 good chromium@471280,v8@69c6970fae 2.90447 +- 0.044984 6 good chromium@471280,v8@2026d5cb79 2.92147 +- 0.059942 6 good chromium@471280,v8@11a211ff1b 2.91306 +- 0.0583407 6 good chromium@471280,v8@f86985ad11 3.22883 +- 0.114659 6 bad <-- chromium@471281 3.20498 +- 0.0469998 6 bad chromium@471282 3.2296 +- 0.0902297 6 bad chromium@471286 3.26177 +- 0.057702 6 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 --story-filter=blank.html thread_times.key_idle_power_cases Debug Info https://chromeperf.appspot.com/buildbucket_job_status/8979114495093009872 Is this bisect wrong? https://chromeperf.appspot.com/bad_bisect?try_job_id=5481644267405312 | 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 tdres...@chromium.org
, May 18 2017