On Wed, Oct 12, 2016 at 02:16:42AM +0000, Jonathan T. Looney wrote: > Author: jtl > Date: Wed Oct 12 02:16:42 2016 > New Revision: 307082 > URL: https://svnweb.freebsd.org/changeset/base/307082 > > Log: > In the TCP stack, the hhook(9) framework provides hooks for kernel modules > to add actions that run when a TCP frame is sent or received on a TCP > session in the ESTABLISHED state. In the base tree, this functionality is > only used for the h_ertt module, which is used by the cc_cdg, cc_chd, cc_hd, > and cc_vegas congestion control modules. > > Presently, we incur overhead to check for hooks each time a TCP frame is > sent or received on an ESTABLISHED TCP session.
Do you perform estimate of performane impact of this overhead? _______________________________________________ svn-src-all@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"
