On Tue, Dec 16, 2008 at 7:08 PM, Neil Graham <l...@screamingduck.com> wrote:
> On Tue, 2008-12-16 at 16:23 -0700, Jordan Crouse wrote: > > The first thing you need to do is determine which operations you really > > care about. I would first target the operations that deal with text and > > rounded corners, since those will be the most complex. Straight blits > > and rectangle fills are important, but less interesting, since they > > involve the least work in the path between you and the GPU. > Fundimentally, you care about the operations that are making it slow. > Those are the ones A) being used lots B) Take notable amounts of time in > total and C) have room for improvement. > > Is there a build of cairo that can produce a log of what calls are used > in typical XO use? > Some good ways to find out are located here: http://wiki.laptop.org/go/Performance_tuning I personally most often use oprofile, without vmlinux (I don't know where to get a vmlinux file for the olpc kernel). -Wade
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