Not sure how that link got borked, but here is where the profiles live: [1] http://people.mozilla.org/~mfinkle/fennec/profiles
----- Original Message ----- > Now that some improvements have been landing, I ran some newer profiles [1] > for startup and pageload. Feel free to download them and load them into > Montior/DDMS to look for new problem areas. I'll keep appending the date to > the profile names so we can keep track over time. > [1] http://people.mozilla.org/~mfinkle/fennec/profiles > ----- Original Message ----- > > For many of the pageload performance bugs [1], we used profiles of the Java > > code to uncover the issues. This is just a quick post covering what you > > need > > to do in order to get profiles. > > > 1. The Fennec build needs to be "debuggable" [2]. Nightlies are not, but > > local developer builds are. > > > 2. For profiling pageload, you can generally use Monitor/DDMS [3]. Just > > press > > the "start method tracing" button, load a page, wait, press the "stop > > method > > tracing" button. > > > 3. For profiling startup time, you really need to add > > Debug.startMethodTracing(...) and Debug.stopMethodTracing(). I added a > > simple patch [4] to show what I mean. > > > I created some example profiles for startup and pageload. You can download > > them [5] and open them in Monitor/DDMS using the "File | Open File..." > > menu. > > > [1] https://bugzilla.mozilla.org/show_bug.cgi?id=947390 > > > [2] > > http://developer.android.com/guide/topics/manifest/application-element.html#debug > > > [3] http://developer.android.com/tools/debugging/debugging-tracing.html > > > [4] > > http://people.mozilla.org/~mfinkle/fennec/profiles/startup-tracing.patch > > > [5] http://people.mozilla.org/~mfinkle/fennec/profiles >
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