Hello Jon,
On Mon, Nov 24, 2008 at 3:21 PM, Jon Haslam <[EMAIL PROTECTED]> wrote: > Hi Amit, > >> Basically, I would like to have a graphical display showing me the >> call flow between the various functions- starting and ending at the >> starting function. I have thought about it a bit. I have written a >> regex to identify the various columns. After some intermediate data >> storage using a stack, I shall use the information to prepare a 'dot' >> file which I plan to feed to 'dotty' (Graphviz) to give me the call >> graph. >> >> Is this a good approach? Has anybody tried something similar? Thanks for your reply. My comments inline: > > A good while ago now I did exactly this with pretty good results. I put > a brief blog together on what was done: > > http://blogs.sun.com/jonh/entry/dtrace_and_visualisation This is what exactly what I have in mind. Did you do it the way I am thinking? The 'jzgraph' project is well but dead. So, probably I shall have to generate a 'dot' file and then externally feed it to 'dotty'. > > Simon Ritter improved on this first pass attempt and developed a more > interactive experience for generating call graphs: > > http://blogs.sun.com/simonri/entry/i_m_sorry_dave_i > > The software that Simon developed (called 'DAVE') is actually pretty > nice. The last time I saw it you could graph Java and native methods > together and even do some database related graphing. > > Over this summer though Simon and I have taken this idea one step further. > We're now using the Java Monkey Engine (a 3D games engine) to visualise > the graphs (we're still obviously using DTrace as the instrumentation > technology and the graphviz libraries for the core graph generation). > Using the Monkey Engine we can generate interactive 3D call graphs > which we can move through and manipulate in 3D object space. In fact, > rather gratuitously really, we've implemented an anaglyph technique so you > can even wear 3D glasses (red/cyan) so the graph comes out the screen at > you! All good fun. Ah awesome fun. Any blog posts/etc? Thanks, Amit -- Amit Kumar Saha http://amitksaha.blogspot.com http://amitsaha.in.googlepages.com/ Skype: amitkumarsaha _______________________________________________ dtrace-discuss mailing list dtrace-discuss@opensolaris.org
