1428762 - Document how working on simple scenarios helps narrow down performance issues

Status: NEW

(DevTools :: General, enhancement, P3)

Description

[Alexandre Poirot [:ochameau]]

Followup from bug 1415545 comment 5:
(In reply to Julian Descottes [:jdescottes][:julian] from comment #5)
> I could see an additional section that quickly explains the toolbox/panel
> lifecycle. 
> 
> Some tools can have side-effects on performance if they are initialized. For
> instance, the netmonitor and inspector will have a significant impact on
> page reload if they have been initialized.  
> 
> It should explain that tools are only initialized when being opened, so when
> investigating a scenario related to a tool make sure to only have this one
> initialized. One way of doing this is : select the tested tool > close
> toolbox > open toolbox with the default shortcut F12 (which will open on the
> last selected tool). Or simply close toolbox > open toolbox with a tool
> specific command.
> 
> Just a suggestion, I can add it after you land the first iteration.

I would contribute that to the first section, next to user scenario definition.