PPAPIDownloadRequest.RequestDuration is always 0 |
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Issue descriptionSome concerning metrics: https://uma.googleplex.com/p/chrome/histograms/?endDate=07-31-2016&dayCount=7&histograms=SBClientDownload.PPAPIDownloadRequest.RequestOutcome%2CSBClientDownload.PPAPIDownloadRequest.Result&fixupData=true&showMax=true&filters=milestone%2Cge%2C52%2Cisofficial%2Ceq%2CTrue&implicitFilters=isofficial SBClientDownload.PPAPIDownloadRequest.RequestOutcome shows Response was malformed: 3.5% Succeeded: 1.2% That means we're failing more than we're succeeding. Also, SBClientDownload.PPAPIDownloadRequest.RequestDuration doesn't look right -- It's always 0.
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Mar 10 2017
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Apr 7 2017
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Nov 10 2017
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Nov 18 2017
The following revision refers to this bug: https://chromium.googlesource.com/chromium/src.git/+/6c92925133d1cd4f8d98163adac0119feb90e1f5 commit 6c92925133d1cd4f8d98163adac0119feb90e1f5 Author: Jialiu Lin <jialiul@chromium.org> Date: Sat Nov 18 01:13:24 2017 Fix PPAPIDownloadRequest.RequestDuration metric PPAPIDownloadRequest.RequestDuration is always zero. This is because UMA_HISTOGRAM_TIMES macro cannot handle negative number. This Cl fixes this issue. Bug: 633341 Change-Id: I8dd1200ed7f28e746469b4d82ef0e927a5080a88 Reviewed-on: https://chromium-review.googlesource.com/777887 Commit-Queue: Jialiu Lin <jialiul@chromium.org> Commit-Queue: Nathan Parker <nparker@chromium.org> Reviewed-by: Nathan Parker <nparker@chromium.org> Cr-Commit-Position: refs/heads/master@{#517657} [modify] https://crrev.com/6c92925133d1cd4f8d98163adac0119feb90e1f5/chrome/browser/safe_browsing/download_protection/ppapi_download_request.cc
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Nov 18 2017
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Comment 1 by nparker@chromium.org
, Aug 1 2016Summary: PPAPIDownloadRequest.RequestDuration is always 0 (was: Flash-download protection has high malformed-response rate)