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5.3% regression in thread_times.key_idle_power_cases at 433403:433448 |
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Issue descriptionSee the link to graphs below.
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Nov 23 2016
Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8995186094175412976
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Nov 23 2016
===== BISECT JOB RESULTS ===== Status: completed ===== SUSPECTED CL(s) ===== Subject : Pass correct texture hint for GPU raster Author : ericrk Commit description: Currently, ResourcePool creates all resources with ResourceProvider::TEXTURE_HINT_IMMUTABLE. This is fine for SW raster, however we should be using TEXTURE_HINT_IMMUTABLE_FRAMEBUFFER for GPU raster. Using the correct flag passes additional information to ANGLE via a GL extension and causes us to skip an unnecessary texture copy. R=vmpstr CQ_INCLUDE_TRYBOTS=master.tryserver.blink:linux_trusty_blink_rel Review-Url: https://codereview.chromium.org/2507963003 Cr-Commit-Position: refs/heads/master@{#433437} Commit : da59d418f54604ba2451cd0ef3a9cd42c05ca530 Date : Sun Nov 20 00:45:40 2016 ===== TESTED REVISIONS ===== Revision Mean Std Dev N Good? chromium@433402 964.737 7.10658 8 good chromium@433425 963.313 6.8548 8 good chromium@433431 961.854 21.2003 8 good chromium@433434 965.263 12.6696 8 good chromium@433436 965.323 11.3542 8 good chromium@433437 1013.78 10.9597 5 bad <-- chromium@433448 1012.78 8.36865 5 bad Bisect job ran on: android_nexus6_perf_bisect Bug ID: 668187 Test Command: src/tools/perf/run_benchmark -v --browser=android-chromium --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=animated.gif.html thread_times.key_idle_power_cases Test Metric: tasks_per_second_total_all/animated-gif.html Relative Change: 4.98% Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/android_nexus6_perf_bisect/builds/2774 Job details: https://chromeperf.appspot.com/buildbucket_job_status/8995186094175412976 Not what you expected? We'll investigate and get back to you! https://chromeperf.appspot.com/bad_bisect?try_job_id=6444522383343616 | 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 Tests>AutoBisect. Thank you! |
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Comment 1 by nzolghadr@chromium.org
, Nov 23 2016