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255.9% regression in system_health.common_desktop at 527244:527268 |
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Issue descriptionSee the link to graphs below.
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Jan 8 2018
📍 Pinpoint job started. https://pinpoint-dot-chromeperf.appspot.com/job/14e091db040000
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Jan 8 2018
📍 Couldn't reproduce a difference. https://pinpoint-dot-chromeperf.appspot.com/job/14e091db040000
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Jan 8 2018
dtu: From the dashboard graphs, I really expected pinpoint to repro. Should I try to restart it? Is there a way to increase storyset-repeat?
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Jan 9 2018
The dashboard graph shows a jump from ~900 to ~2,800. The pinpoint results show ~1,500 before and ~1,700 after. Definitely much smaller than the jump in the dashboard graph. Everything looks right to me: * The revision range looks right. * The ending isolate hash is right. * The benchmark across 4 different devices. I don't think another run will produce a different result. I do want to note that this metric looks especially noisy in Pinpoint, with the histogram showing results that range from 0 to 3335. I'd suspect that some kind of small change in the testing environment caused the dashboard results to jump.
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Jan 25 2018
WontFixing because: * bisect can't repro * The metric is noisy in pinpoint * It looks like the regression is just going back up after a temporary drop +tdresser for noise in EQT metrics. |
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Comment 1 by 42576172...@developer.gserviceaccount.com
, Jan 8 2018