1527488 - Improve Debugger startup times

Status: RESOLVED FIXED

(DevTools :: Debugger, enhancement, P2)

Description

[Jason Laster [:jlast]]

Lazily loading modules has been shown to be a nice performance win.

Comment 1

[Jason Laster [:jlast]]

remote:
remote: View your changes here:
remote: https://hg.mozilla.org/try/rev/482b326ed112520036b42bd19ff643c4c29af919
remote: https://hg.mozilla.org/try/rev/7df901461f71008caa212144e76d71d61f82e16d
remote:
remote: Follow the progress of your build on Treeherder:
remote: https://treeherder.mozilla.org/#/jobs?repo=try&revision=7df901461f71008caa212144e76d71d61f82e16d
remote:
remote: It looks like this try push has talos jobs. Compare performance against a baseline revision:
remote: https://treeherder.mozilla.org/perf.html#/comparechooser?newProject=try&newRevision=7df901461f71008caa212144e76d71d61f82e16d
remote: recorded changegroup in replication log in 0.039s

Comment 3

[piotrpalek]

I can confirm it takes a very long time VS chrome devtools, often more then twice as long

Comment 4

[Jason Laster [:jlast]]

Thanks for reporting.

The other DevTools panels do a better job of lazily loading the modules. We started a proof of concept 2 months ago, which I hope we can finish in a couple of weeks.

Comment 5

[Jason Laster [:jlast]]

Attachment: Bug 1527488 - show debugger skeleton at startup. r=davidwalsh

Comment 6

[ryan]

Attachment: Bug 1527488 - Change debugger build to support lazy loading modules r=davidwalsh

Comment 7

[Jason Laster [:jlast]]

moving back to planned while i wait on lazy loading

Comment 8

[Pulsebot]

Pushed by [e-mail]:
https://hg.mozilla.org/integration/autoland/rev/2e1b1b34e49e
Change debugger build to support lazy loading modules

Comment 9

[ryan]

Attachment: Bug 1527488 - Change debugger build to support lazy loading modules r=davidwalsh

Comment 10

[Jason Laster [:jlast]]

Attachment: Bug 1527488 - Stop waiting for fetched content. r=davidwalsh

Comment 11

[Natalia Csoregi [:nataliaCs]]

https://hg.mozilla.org/mozilla-central/rev/2e1b1b34e49e

Comment 12

[Jason Laster [:jlast]]

dynamic imports
https://gist.github.com/f6faf2d9a9e3c185804ad85791ca59a8

Comment 13

[Jason Laster [:jlast]]

Attachment: Bug 1527488 - show a skeleton ui to speed up the initial paint. r=davidwalsh

Comment 14

[Jason Laster [:jlast]]

Attachment: Bug 1527488 - Load objectInspector reducer directly. r=davidwalsh

Comment 15

[Pulsebot]

Pushed by [e-mail]:
https://hg.mozilla.org/integration/autoland/rev/3b2489b9f469
Stop waiting for fetched content. r=davidwalsh

Comment 16

[Noemi Erli[:noemi_erli]]

https://hg.mozilla.org/mozilla-central/rev/3b2489b9f469