Hi Stephane, This is great news! I will start the testing process on POWER soon.
Assuming the testing goes relatively smoothly, do you have a feeling as to when you'd be able to post the first of the patches to the LKML mailing list? Thanks, - Corey > Hello, > > I have spent most of last week restructuring the current perfmon2 > kernel code base to make it easier to isolate > features. That should make it easier for the merge with mainline given > that LKML people would like to receive > small patches each adding one feature at a time. > > I have created a bunch of new files under perfmon/, each one > implementing a feature or logically similar set of > features. Similarly, I have also restructured the header files to > separate the generic interface definition in > perfmon.h from all the stuff needed by the kernel implementation, now > in perfmon_kern.h. This model is replicated > for each arch. Perfmon_const.h is gone. > > I have also completely restructured the interrupt handling code in > perfmon_intr.c. It is now much more readable > with smaller functions. > > Hopefully, I did not break anything ;-> Next step is to examine the > generic to arch-specific interface and > see what we can do to simplify it. We have about 30 callbacks today. > That's quite a lot. But this situation is > mostly coming from the vast diversity of the hardware. Yet, I believe > we could probably reduce that number > of callbacks. > > Finally, there is a lot of work in the X86-specific perfmon.c. There > is way too much model-specific > code in there. I would like to see all of the P4 code outside of > perfmon.c and into perfmon_p4.c. Similarly with > the PEBS code. Note that the ds.h interface from Markus Metzger from > Intel will help in hiding the access to the > DS and PEBS information. Markus's patch is likely going to make it > into 2.6.25 or .26. That should help us a bit. > > If people have more ideas, please come forward. > > Please pull from GIT and test in your environments and report any problems. -- Corey Ashford Software Engineer IBM Linux Technology Center, Linux Toolchain Beaverton, OR 503-578-3507 [EMAIL PROTECTED] ------------------------------------------------------------------------- Check out the new SourceForge.net Marketplace. It's the best place to buy or sell services for just about anything Open Source. http://ad.doubleclick.net/clk;164216239;13503038;w?http://sf.net/marketplace _______________________________________________ perfmon2-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/perfmon2-devel
