1065059 - travisci page interactions freeze the whole browser for multiple seconds under e10s

Status: RESOLVED WORKSFORME

(Core :: General, defect)

Description

[Jack Moffitt [:jack]]

An example page this one like this:
https://travis-ci.org/servo/servo/builds/34835953

Generally my interactions involving changing among the tabs here, clicking on specific build failures, and on the build failure page, clicking the retry button (which is likely only available to developers signed in).

Some of the pages are quite large. Here is an example with a full build log:
https://travis-ci.org/servo/servo/jobs/34835956

Just as an example, there was 30s+ of dead browser for me clicking to that page from the previous URL given. (Only mostly dead. I was able to change tabs at the 10s mark and again around 20s, but time between click and UI resolving the action was a long time.)

CPU usage of one Web Content process is spiked for the duration.

Comment 1

[Jack Moffitt [:jack]]

I'm on mozilla-central compiled on 8/27/2014.

Comment 2

[Sylvestre Ledru [:Sylvestre]]

I don't think it is e10s only. I am experiencing the same issue under GNU/Linux with 37 without e10s.

By the way, bug 702649 is likely to be a dup.

Comment 3

[Tracy Walker [:tracy]]

With latest Nightly build, I don't see significant slowdown or browser hang while loading the reported large log. Please re-open if this is still an issue for you.