Hi Davide, On Mon, Mar 2, 2015 at 12:26 PM, Davide Italiano <dav...@freebsd.org> wrote: > On Mon, Mar 2, 2015 at 12:05 PM, John-Mark Gurney <j...@freebsd.org> wrote: >> Author: jmg >> Date: Mon Mar 2 20:05:16 2015 >> New Revision: 279539 >> URL: https://svnweb.freebsd.org/changeset/base/279539 >> >> Log: >> give others fair warning that _SPARE2 isn't just cxgb, but used by large >> number of other subsystems, so you probably don't want _SPARE2.. >> >> ktr needs an overhaul to really only compile in the ones you want, >> we've long passed the 31 bits it provides.. >> > > If you really want to do the overhaul (which would be honestly great), > I might consider revamping my work for per-cpu KTR buffer and include > that in the change. Originally it was just an exercise, but then it > evolved and I've been sitting with it in my local tree for a while. I > never had the chutzpah to upstream it because it involves fundamental > changes and breaks compatibility with the old ktrdump(1) format. > A rather outdated (and maybe not completely functional) version of the > patch can be found here: > http://people.freebsd.org/~davide/locking/ktr_percpu.4.diff , which > should give you an high level view of the change. > I can update it to the last version and bring up for review, if > somebody think it might be a sane idea avoiding synchronization on a > single buffer for KTR. >
This would be a very welcome improvement. best Neel > -- > Davide > _______________________________________________ svn-src-head@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
