Hey Bryan > Supporting a ring buffer policy is a tad brutal, because it would > require processing the entire ring to verify that the ECB isn't in it. > There are ways we could optimize that, but they're ugly; unless > someone is burning with this use case, I'd rather punt on it. > Anonymous tracing will just work; once the enabling is claimed, the > buffer will be switched, and it will become reapable.
I actually meant a negative test case. > Yes; you don't want to keep trying in perpetuity because you may be > blocked by either a ring buffer policy or speculative tracing or > something else that is managing to cache ECB state. So after a while, > you want to give up. Would that be worth a one- or two-line comment? Adam -- Adam Leventhal, Delphix http://dtrace.org/blogs/ahl 275 Middlefield Road, Suite 50 Menlo Park, CA 94025 http://www.delphix.com _______________________________________________ dtrace-discuss mailing list dtrace-discuss@opensolaris.org
