[Webkit-unassigned] [Bug 30614] Web Inspector: Render timeline information in the frontend

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=30614





--- Comment #12 from Kelly Norton <knorton at google.com>  2009-10-21 15:30:52 PDT ---
(In reply to comment #10)
> (In reply to comment #6)
> > - This timeline panel will not have sticky enabled mode - one will need to
> > enable it each time he opens inspector. Enable splash screen will have a list
> > of events with checkboxes against them though. These are instrumentation
> > settings, are stored in inspector settings.
> 
> Why do you need to fine grain control what events to record? This is like
> stabbing at the problem before you know what the problem is! Wont
> after-the-fact filtering/searching be better?

FWIW. In our work with APU, we're finding this approach better then
pre-configuring. We've seen a lot of cases where developers start with a "slow
user action." They turn on APU, redo the user action, then filter and zoom
(this one has been big for APU because people use the graph to drill straight
down on the problem events). Having whittled the data down to a couple of
events, they then begin looking at the details.

In fact, I have to say that one of the reasons we were so motivated to build
heterogenous trace trees is that developer intuitions are often so far off that
it's hard to pick a direction without at least a cursory look at what is going
on under the hood.

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