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21.6%-90.3% regression in v8.runtimestats.browsing_mobile at 468434:468569 |
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Issue descriptionSee the link to graphs below.
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May 5 2017
Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8980436793469484336
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May 5 2017
=== BISECT JOB RESULTS === Bisect was unable to run to completion The bisect was able to narrow the range, you can try running with: good_revision: 651d8feadbd84df44c2c09ca287d82cba7fd8dbf bad_revision : 0079dbad35b7fb64939a1c5ddc992084cc5001b1 If failures persist contact the team (see below) and report the error. Bisect Details Configuration: android_nexus5X_perf_bisect Benchmark : v8.runtimestats.browsing_mobile Metric : Optimize:duration_avg/browse_chrome/browse_chrome_newtab Change : 79.22% | 68.8626666667 -> 123.4145 Revision Result N chromium@468433 68.8627 +- 17.2711 6 good chromium@468479 75.4242 +- 9.30606 6 good chromium@468502 75.6583 +- 18.0476 6 good chromium@468508 80.3282 +- 10.4921 6 good chromium@468511 123.589 +- 29.5143 6 bad chromium@468514 123.334 +- 13.7786 6 bad chromium@468525 123.414 +- 17.6104 6 bad To Run This Test src/tools/perf/run_benchmark -v --browser=android-chromium --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=browse.chrome.newtab v8.runtimestats.browsing_mobile Debug Info https://chromeperf.appspot.com/buildbucket_job_status/8980436793469484336 Is this bisect wrong? https://chromeperf.appspot.com/bad_bisect?try_job_id=6360557701038080 | 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 5 2017
Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8980394175872594608
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May 7 2017
=== BISECT JOB RESULTS === Perf regression found with culprit Suspected Commit Author : rnephew Commit : 0079dbad35b7fb64939a1c5ddc992084cc5001b1 Date : Tue May 02 00:45:10 2017 Subject: Revert of [scheduler] Move some task types to suspendable task runner. (patchset #1 id:1 of https://codereview.chromium.org/2808273003/ ) Bisect Details Configuration: android_nexus5X_perf_bisect Benchmark : v8.runtimestats.browsing_mobile Metric : Optimize:duration_avg/browse_chrome/browse_chrome_newtab Change : 56.18% | 76.2658333333 -> 119.115333333 Revision Result N chromium@468433 76.2658 +- 27.7786 6 good chromium@468479 75.0188 +- 31.48 6 good chromium@468502 71.4517 +- 27.5752 6 good chromium@468508 71.7877 +- 25.8221 6 good chromium@468510 69.4212 +- 16.8789 6 good chromium@468511 120.084 +- 22.266 6 bad <-- chromium@468514 116.874 +- 16.2644 6 bad chromium@468525 119.115 +- 20.3159 6 bad To Run This Test src/tools/perf/run_benchmark -v --browser=android-chromium --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=browse.chrome.newtab v8.runtimestats.browsing_mobile Debug Info https://chromeperf.appspot.com/buildbucket_job_status/8980394175872594608 Is this bisect wrong? https://chromeperf.appspot.com/bad_bisect?try_job_id=6360557701038080 | 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 verwa...@chromium.org
, May 5 2017