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154.6% regression in benchmark_duration for memory.top_10_mobile at 472225:472383 |
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Issue descriptionSplitting off from 724045 since it's likely unrelated to the memory change in that bug.
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May 19 2017
Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8979166504166279504
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May 19 2017
This happens right around the move to swarming. I suspect that we may be shuffling the benchmark to a different bot, hence the cycle time increase :-?
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May 19 2017
What is strange though, is the cycle time of ref build doesn't change. So this could totally be due to Chrome/Telemetry change. Let wait for the bisect result.
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May 19 2017
=== BISECT JOB RESULTS === NO Perf regression found Bisect Details Configuration: android_nexus6_perf_bisect Benchmark : memory.top_10_mobile Metric : benchmark_duration/benchmark_duration Revision Result N chromium@472224 5.82965 +- 1.33187 21 good chromium@472383 5.6903 +- 0.93447 21 bad Please refer to the following doc on diagnosing memory regressions: https://chromium.googlesource.com/chromium/src/+/master/docs/memory-infra/memory_benchmarks.md 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 memory.top_10_mobile Debug Info https://chromeperf.appspot.com/buildbucket_job_status/8979166504166279504 Is this bisect wrong? https://chromeperf.appspot.com/bad_bisect?try_job_id=5240352870498304 | 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 19 2017
Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8979148470967567824
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May 19 2017
=== BISECT JOB RESULTS === NO Perf regression found Bisect Details Configuration: android_nexus6_perf_bisect Benchmark : memory.top_10_mobile Metric : benchmark_duration/benchmark_duration Revision Result N chromium@472224 5.92818 +- 2.68778 21 good chromium@472383 6.44946 +- 5.15011 21 bad Please refer to the following doc on diagnosing memory regressions: https://chromium.googlesource.com/chromium/src/+/master/docs/memory-infra/memory_benchmarks.md 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 memory.top_10_mobile Debug Info https://chromeperf.appspot.com/buildbucket_job_status/8979148470967567824 Is this bisect wrong? https://chromeperf.appspot.com/bad_bisect?try_job_id=5240352870498304 | 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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Jan 16
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Jan 16
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Comment 1 by sullivan@chromium.org
, May 19 2017