Deep Tracing of Internet Explorer (opens in new tab)

(ejohn.org)

201 pointsemontero116y ago14 comments

14 comments

13 comments · 7 top-level

adatta0216y ago· 3 in thread

I wonder how this gets such detailed information about network and DOM events without injecting debug signals into the browser binaries?

bdr16y ago

The article made it sound to me like they are altering the browser's code.

jcapote16y ago

Can't you do this through COM? (Isn't that the point? I dunno, I've never programmed windows stuff...)

zmimon16y ago

Yes. You can do nearly all this stuff just by hooking into MS's published interfaces. I've done many pieces of it myself, but seeing it tied together like this so comprehensively is amazing.

shawndrost16y ago· 2 in thread

Knowing John Resig, we'll get a blog post in 6 weeks showing a 30% speedup in jQuery in ie6 and 7. This man is a machine.

subbu16y ago

30% would be an unfair expectation to set for John :)

kwamenum8616y ago

under or overestimate?

1 more reply

mey16y ago· 1 in thread

This is head and shoulders above Fiddler 2 for giving you a complete picture of what's going on.

mey16y ago

Some tools I use

  Network
   WireShark (Cross Platform)
   Fiddler 2 (Win32)
     (Inject into SSL Requests)
  Browers Instrumenting
   Firebug (Firefox)
    FireQuery
    FireRainbow
   Html Validator (FireFox)
   Selenium IDE (FireFox)
   LeetKey (FireFox, mucking with URLEncoding/Base64 etc)
   Internet Explore Developer Tools (IE of course)
   Chrome's built in tools
   Safari's built in tools

woid16y ago

I think dynaTrace guys did something insane. Kudos!

Believe me I was doing some IE stuff (BHOs) and working with their COM extension model is one of my worst experiences (right after creating installer using WiX system).

btw. check out my web-dev tools at http://binaryage.com :-)

NathanKP16y ago

That is pretty incredible. I thought that the "Develop" menu and JavaScript profiler in Safari were great, but this deep tracing tool looks even better.

mjw16y ago

Anyone have any tips for memory profiling tools, other than the one mentioned in the article comments? (http://www.softwareverify.com/javascript/memory/feature.html, Windows-only, Firefox-only, non-free)

Hexstream16y ago

How hard would it be for browser makers to make the kinds of information this tool needs readily available (instead of the tool maker to write very low-level code, basically a giant hack) and how much work would this save for the makers of tools such as dynaTrace?

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