On Thu, Feb 23, 2006 at 05:21:46PM -0300, Andreas Hasenack wrote: > Kernel people tell me users should never need to know the value of HZ > used by the currently running kernel. One kernel hacker even told me > that Linus once changed the value from 100 to 1000 just to see user > space programs break. Hmmm. Don't know the context of this statement, but from my (naive) point of view, TBF is not a user space program. The user space program is tc, and it just sets up structures in the kernel once. The shaping itself is done in kernel space. > So, how do we reliably calculate the minimum value for buffer/burst/maxburts? Trial & Error, not that I ever had much luck with TBF though... TBF doesn't really depend on the HZ value - you don't really need to know. Still, TBF is affected by the HZ, like many other parts of the kernel too. It can't be helped - dunno what else to say about it. Regards Andreas Klauer _______________________________________________ LARTC mailing list LARTC@xxxxxxxxxxxxxxx http://mailman.ds9a.nl/cgi-bin/mailman/listinfo/lartc