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There are several obstacles. Rewriting the code is a relatively small part. Merging upstream is huge and controversial. There may also be legal (patent) barriers.
Posted Aug 10, 2007 23:09 UTC (Fri) by man_ls (guest, #15091)
And patent trouble has not stopped kernel developers before...
Posted Aug 11, 2007 20:53 UTC (Sat) by fuhchee (subscriber, #40059)
Not as much as one might think. Systemtap relies only on existing
externalized kernel interfaces and hooks - no changes just on our
account. That's not to say it wouldn't be nice to get some extra
interfaces/hooks, or to offload some version drift maintenance to other
folks. It means that we can work toward their development and upstream
inclusion gradually, without blocking the rest of the work.
Posted Aug 11, 2007 22:09 UTC (Sat) by dlang (✭ supporter ✭, #313)
the license and patent status of dtrace is very much a reason for it not being considered (in fact, due to these issues most of the kernel developers don't even look at it to avoid any accusations of them being tainted)
Posted Aug 12, 2007 12:13 UTC (Sun) by man_ls (guest, #15091)
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