page_cycler_v2 needs to add top_level tracing category for computing TimeToInteractive metric |
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Issue descriptionI just run a telemetry job to gather TimeToInteractive metrics on top1k sites & realize that almost all the timeInteractiveMetric are the same as FirstMeaningfulPaint. The bug turns out to be that timeInteractiveMetric relies on "TaskQueueManager::ProcessTaskFromWorkQueues" slices which requires toplevel tracing category. I check page_cycler_v2 benchmarks & found that we don't specify toplevel tracing cateogry there either.
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Aug 24 2016
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Aug 24 2016
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Aug 25 2016
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Aug 25 2016
The following revision refers to this bug: https://chromium.googlesource.com/chromium/src.git/+/54a95838ec059e34f9f8e8952a1eb484998e5102 commit 54a95838ec059e34f9f8e8952a1eb484998e5102 Author: kouhei <kouhei@chromium.org> Date: Thu Aug 25 22:50:07 2016 [PCv2] Enable toplevel tracing category BUG= 640222 CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.perf:android_s5_perf_cq;master.tryserver.chromium.perf:linux_perf_cq;master.tryserver.chromium.perf:mac_retina_perf_cq;master.tryserver.chromium.perf:winx64_10_perf_cq Review-Url: https://codereview.chromium.org/2273243002 Cr-Commit-Position: refs/heads/master@{#414568} [modify] https://crrev.com/54a95838ec059e34f9f8e8952a1eb484998e5102/tools/perf/benchmarks/page_cycler_v2.py
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Nov 7 2016
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Comment 1 by allisonb...@hotmail.com
, Aug 23 2016