kernel thread as real threads..
David Xu
davidxu at freebsd.org
Fri Jan 20 03:17:19 PST 2006
Scott Long wrote:
>
> For 1:1 threading is does make a little more sense. We'd have to come
> up with a way
> to accurately express whether the thread accounting stats are
> meaningful or not depending
> on which library is in use. Adding to the complexity would be that
> KSE can create system
> and process scope threads, and that system scope threads behave mostly
> like 1:1 threads.
> If someone wants to tackle all of this, that would be great, but my
> only request would be
> that it can't sacrifice clarity in one library over another library.
>
> Scott
>
It has already sacrificed 1:1 libthr, I had set libthr default to be
process scope thread,
so all kernels in same ksegrp are trying to use kg_user_pri for its
userland priority.
I saw very strange scheduler behavior, I may revert it to use system
scope as default
scope.
David Xu
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