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Issue 648255 link

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Issue metadata

Status: WontFix
Owner:
Last visit > 30 days ago
Closed: Oct 2016
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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7%-47.2% improvement in webrtc_perf_tests at 14188:14189

Project Member Reported by terelius@chromium.org, Sep 19 2016

Issue description

Significant improvements in several screenshare stats, presumably from the new exponential startup probing. Please take a look to verify that the improvements are expected and look reasonable.
 
All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=648255

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg2aL-uAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg2e7stAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg2ZCnsAkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg2daJoQoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgmfm-uAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgmZftvQkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg6Y-wrQkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgmYuLsgoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgme2bpAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg2cbSpQoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgmbSHoAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgmbPhqgoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgmcDVtAkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgmfKwqgoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgmfDyqwoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgmYbBogkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgmbKnswoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgmZy17AgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgmbajsAkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgmY3ToQoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg6ff9pQoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgmaLAswkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgmZmEtgkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgmfWHqgkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgmZLZqwkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg6cu7sgoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgmf7uqgoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgmZnirwoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgmfCAowoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgmY3FvwoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg6Ye25AgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg6andtwsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg6cfTtwkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg6f-_qgkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg6feOqQoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgmbL9ogoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg6bHu8AoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgmbDbvAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg6eOk9woM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg6bHu8AgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgme7-oQkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgmbP6swoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgmbSJrwoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICgmamXtAsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg6ePZoQkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg6an4swkM


Bot(s) for this bug's original alert(s):

webrtc-android-tests-nexus5
webrtc-android-tests-nexus72
webrtc-android-tests-nexus9
webrtc-linux-large-tests
webrtc-mac-large-tests
webrtc-win-large-tests

Comment 2 by isheriff@google.com, Sep 19 2016

We do expect improvements in perf tests. Even more once we turn on higher probe bitrates.

I would like to dig deeper into these graphs. Your second URL (original alerts) does not work.

Are there logs that can be looked at along these results ?
Strange that the link to the original alerts doesn't work; it is automatically generated by the perf dashboard.

I think you can get some limited logs from the bots. Look at the graph you are interested in, click on the exclamation mark and then click on Buildbot stdio. Finally remove everything after the build number in the URL.
I am not sure I follow comment #3. Can you paste a URL that shows the graphs.

From the original link in comment #1, there are a bunch of links that show no useful, for example:

https://chromeperf.appspot.com/report?sid=7b86b487b1a9f2fa46769895a4ba75e22b7c8e5ed8489a9ae89c72af71896cb6&rev=14189
Status: WontFix (was: Assigned)

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